WO2017133482A1

WO2017133482A1 - Electric-powered vacuum pressing machine

Info

Publication number: WO2017133482A1
Application number: PCT/CN2017/071823
Authority: WO
Inventors: 王晓东
Original assignee: 王晓东
Priority date: 2016-02-04
Filing date: 2017-01-20
Publication date: 2017-08-10
Also published as: CN105795876A; CN106820932B; CN106820932A

Abstract

An electric-powered vacuum pressing machine, comprising a pressing cylinder (9), a juice receiving part, a piston (10), an electric-powered telescoping mechanism, an electric vacuuming pump (17), and a machine body (7). The sliding piston (10) is mounted in the pressing cylinder (9). The outer edge of the piston (10) tightly fits the inner edge of the pressing cylinder (9). The piston (10) divides the pressing cylinder (9) into a travel cavity (2) and a pressing cavity (13) separated from each other. The top surface of the piston (10) is arranged within the travel cavity (2). The bottom surface of the piston (10) is arranged within the pressing cavity (13). Kept in a vacuumed environment are food such as fruits or vegetables whilst being pressed and the juice (comprising oil) when entering the juice receiving part or a juice receiving tanks, thus preventing the problem in the prior art of discoloration and deterioration of the juice due to oxygenation. Compared with a vacuum spiral juice pressing machine, cleaning is easy (each time after use, washing is required for only three components, namely the juice receiving part, the pressing cylinder (9), and the piston (10), while the vacuum spiral juice pressing machine requires the washing of seven components, namely a sealing cover, a feeder cylinder, a spiral shaft, a cylindrical filter, a juicing cavity, a juice receiving cup, and a pulp cup) and operation is easy (only the three components need to be mounted at minimum, while the vacuum spiral juice pressing machine requires at least the 7 components to be mounted).

Description

Electric drive vacuum press

Technical field

The invention belongs to the technical field of juice extraction and juice extraction, in particular to an electric drive vacuum press.

Background technique

Fruits and vegetables play an important role in people's daily life and are indispensable foods. However, with the improvement of living standards, people hope to obtain more comprehensive and direct access to the nutrients in the foodstuffs. A variety of pressing equipment, which can squeeze fruits and vegetables out of the juice, people can directly drink these juices, which greatly facilitates people's lives. The pressing device comprises a pressing type, a pressing type and the like. The pressing type is to install a protrusion with a mesh on the upper end of the barrel, and the juicy fruit such as orange and orange is directly pressed on the protrusion or embedded in the upper cover. Pressing on the protrusion again, pressing down forcefully, so that the juice flows into the cylinder through the mesh; the pressing type is to install a fixing handle on the cylinder body, and the pressing handle is hinged on the side of the cylinder body, and the bottom surface of the pressing handle is installed and The upper cover of the upper end of the cylinder is fitted with a protrusion with a mesh hole. When used, the fruit is placed on the protrusion, and the pressing handle is pressed hard to squeeze the upper cover and the protrusion to squeeze out the juice. In the above two structures, if the pressing action is realized by the electric driving method, the pressing process will be very rapid and the pressing is thorough. At the same time, after the electric driving method is added, the pressing force is large, and it can be used for peanuts and soybeans. The oil of the foodstuffs.

In addition, other types of screw-type press equipment have been developed, but all of these equipment are pressed in the air, containing about 21% oxygen in the air, and phenolic substances in plant tissues. When the cell tissue is destroyed during the pressing process, oxygen invades a lot. The phenolase catalyzes the formation of phenolic substances and its polymer to produce an enzymatic browning reaction. The enzymatic browning causes the pressed food juice (juice, vegetable juice, Edible oils, etc. are all oxidized, resulting in loss of a large amount of nutrients, and the color and taste are deteriorated.

Summary of the invention

The object of the present invention is to overcome the deficiencies of the prior art, and provide an electric drive vacuum press which uses an electric drive to complete the pressing, the pressing and the juice are kept in a vacuum state and avoids the oxidation of the juice squeezed by the pressing process by oxygen. .

The technical solution adopted by the invention is:

An electric drive vacuum press comprising: a press cylinder, a juice receiving portion, a piston, an electric drive telescopic mechanism, an electric vacuum pump and a body; a sliding piston is mounted in the press cylinder, the outer edge of the piston and the press cylinder The inner edge is closely fitted, and the piston divides the press cylinder into an operation chamber and a press chamber which are separated from each other, the top surface of the piston is located in the operation chamber, and the bottom surface of the piston is located in the press chamber;

Between the pressing cylinder and the juice receiving portion, a detachable sealing connection structure, the pressing cylinder is located outside the juice receiving portion, the pressing cylinder portion is located in the juice receiving portion or the pressing cylinder is entirely located in the juice receiving portion, the pressing chamber and the pressing chamber The juice receiving portion forms a closed cavity, the operating room is in communication with the atmospheric environment or the operating room is a closed space;

a filter screen is arranged on the side wall of the press cylinder at the press chamber, or a filter screen is arranged at the bottom of the press chamber, or a filter screen is arranged between the press chamber and the juice receiving portion, or a filter screen is arranged in the juice receiving portion, or the press chamber is provided. Set the filter;

The electric drive telescopic mechanism includes a driving portion and a telescopic portion that can be extended or retracted under the driving of the driving portion, and the driving portion is disposed in the body, disposed on the body, partially disposed in the operating room, or all Provided in the operating room, the telescopic portion is fixedly connected to the piston, detachably connected or only pressed against the piston, and the telescopic portion pushes or pulls the piston to move in the press cylinder when the telescopic portion expands and contracts, so that the volume of the press chamber changes. When the telescopic portion pushes or pulls the piston to move and the volume of the press chamber becomes small, the piston presses the object to be pressed in the press chamber, and the pressed juice enters the juice receiving portion through the filter screen;

The electric vacuum pump is located in the body, on the body, in the closed cavity or in the operating room, and has an air suction port and an air outlet. The air suction port of the electric vacuum pump is directly connected to the airtight cavity through the air suction pipe, and the air outlet is directly or Connected to the atmosphere through the outlet line or connected to the operating room;

The electric vacuum pump is used for extracting the air in the closed cavity before, during, or after the piston is pressed, or after the piston is pressed, in the last two processes or the last process. The body remains in a vacuum state.

Another object of the present invention is to provide an electric drive vacuum press comprising: a press cylinder, a juice receiving portion, a piston, an electric drive telescopic mechanism, an electric vacuum pump and a body, and a sliding piston is mounted in the press cylinder, The outer edge of the piston closely fits the inner edge of the press cylinder, the piston divides the press cylinder into an operating chamber and a press chamber which are separated from each other, the top surface of the piston is located in the operating chamber, and the bottom surface of the piston is located in the press chamber;

The press cylinders are all located outside the juice receiving portion, the press cylinder portion is located in the juice receiving portion or the press cylinders are all located in the juice receiving portion; when the press cylinders are all located outside the juice receiving portion, the press cylinder and the juice receiving portion are integrated and detachable The connecting structure or only the bottom of the press cylinder is sealed at the opening of the juice receiving portion, and the press chamber and the juice receiving portion communicate with each other to form a closed cavity, the operating chamber is in communication with the atmosphere or the operating room a confined space; when the press cylinder portion is located in the juice receiving portion, the press cylinder and the juice receiving portion are integrally formed, the detachable connection structure or only the outer edge of the press cylinder is sealed and pressed at the opening of the juice receiving portion, the press chamber Interconnecting with the juice receiving portion and jointly forming a closed cavity, the operating room is in communication with the atmospheric environment or the operating room is a closed space; when the pressing cylinder is entirely located in the juice receiving portion, between the pressing cylinder and the juice receiving portion For An integral structure, a detachable connection structure or a press cylinder seal is crimped into the juice receiving portion, the press chamber and the juice receiving portion communicate with each other and together form a closed cavity, the operating chamber is in communication with the atmospheric environment or the operation The room is a confined space;

a side wall of the press cylinder at the press chamber is provided with a filter screen, or a side wall of the press cylinder at the press chamber and a bottom of the press cylinder are provided with a filter screen, or a filter screen is arranged at the bottom of the press cylinder, or a press chamber and a juice receiving portion are provided. Providing a filter screen, or a filter screen in the juice receiving portion, or a filter screen in the press chamber;

The electric vacuum pump is used for all processes in the three processes before the piston is pressed, when the piston is pressed, or after the piston is squeezed.

The last two processes,

The last process,

The first process and the last process,

The first two processes,

In the first process or the second process, the air in the closed chamber is withdrawn to keep the closed chamber in a vacuum state.

Alternatively, the electric vacuum pump may not operate during any one of the three processes of pressing the piston, pressing the piston, or after the piston completes the pressing, in any two processes or all of the processes.

Moreover, it is selected from any one of the structures (1), (2), (3), (4), (5), (6) or (7):

(1) The press cylinder and the juice receiving portion are vertically disposed, the press cylinder is vertically disposed on the juice receiving portion, the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion, and the expansion and contraction portion is located above the pressing cylinder. The telescopic portion protrudes into the press cylinder and the end portion thereof is fixedly connected with the piston, detachably connected or only pressed against the piston, and when the telescopic portion is extended, the piston is pushed and moved downward, and the pressing object in the pressing chamber is pressed Pressing, the pressed juice enters the juice receiving portion through the filter screen;

or

(2) The press cylinder and the juice receiving portion are vertically disposed, the press cylinder is vertically disposed on the juice receiving portion, the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion, and the expansion and contraction portion is located below the juice receiving portion. The telescopic portion is slidingly slid from the bottom through the bottom of the juice receiving portion, and then penetrates the filter into the pressing chamber, and the end portion thereof is fixedly or detachably connected to the piston, and the expansion portion is pulled to pull the piston downward when it is contracted. Movement, pressing the pressed product in the press chamber, and the pressed juice enters the juice receiving portion through the filter screen;

or

(3) The press cylinder and the juice receiving portion are disposed in a lateral direction as a whole, the press cylinder is disposed on one side of the juice receiving portion, the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion, and the expansion and contraction portion is located at the press cylinder end near the operation chamber. a side of the portion, the telescopic portion extends into the press cylinder and the end portion thereof is fixedly connected to the piston, detachably connected or only pressed against the piston, and when the telescopic portion is extended, the piston is pushed and moved toward the juice receiving portion. Pressing the pressed product in the press chamber, and the pressed juice enters the juice receiving portion through the filter screen;

or

(4) The press cylinder and the juice receiving portion are disposed in a lateral direction as a whole, the press cylinder is disposed on one side of the juice receiving portion, the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion, and the expansion and contraction portion is located on the side close to the bottom of the juice receiving portion. The telescopic portion is sealed and slid through the bottom of the juice receiving portion, and then penetrates the filter mesh into the press chamber, and the end portion thereof is fixedly connected or detachably connected to the piston, and when the telescopic portion is contracted, the piston is pulled to move toward the juice receiving portion. Pressing the pressed product in the press chamber, and the pressed juice enters the juice receiving portion through the filter screen;

or

(5) The press cylinder and the juice receiving portion are vertically disposed, the press cylinder is vertically disposed on the juice receiving portion, the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion, and the expansion and contraction portion is located outside the press cylinder, The upper end of the telescopic portion is connected to the lower end of the vertical arm on the side of the inverted U-shaped arm, and the lower end of the vertical arm on the other side of the inverted U-shaped arm extends into the press cylinder and is fixedly connected to the piston and detachably connected Or only pressing against the piston, when the expansion and contraction portion is contracted, pushing the piston through the inverted U-shaped arm and moving it downward, pressing the pressed object in the press chamber, and the pressed juice enters the juice receiving portion through the filter screen;

or

(6) The tilting setting of the pressing cylinder, the pressing cylinder is inclined on the juice receiving portion, the pressing cylinder portion is located in the juice receiving portion or the pressing cylinder is all located in the juice receiving portion, and the angle between the movement trajectory of the piston in the pressing cylinder and the horizontal plane is greater than 0° and Less than 90°, the telescopic portion is located on the side of the end of the press cylinder close to the operating chamber, the telescopic portion projects into the press cylinder, and the end portion thereof is fixedly connected to the piston, detachably connected or only pressed against the piston , When the telescopic portion is extended, the piston is pushed to move in the direction of the juice receiving portion, and the pressed product in the pressing chamber is pressed, and the pressed juice enters the juice receiving portion through the filter screen;

or

(7) The press cylinder and the juice receiving portion are vertically disposed, the press cylinder is vertically disposed on the juice receiving portion, the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion, and the expansion and contraction portion is located in the operating chamber of the press cylinder The end of the telescopic portion is fixedly connected to the piston, detachably connected or only pressed against the piston. When the telescopic portion is extended, the piston is pushed and moved downward, and the pressed object in the press chamber is pressed and pressed. The juice enters the juice portion through the screen.

and,

(1) When the telescopic section is above the press cylinder:

The body comprises a C-shaped frame structure by a base portion, a vertical portion and a nose portion, wherein the nose portion is a cantilever structure with respect to the vertical portion, and the cantilever portion of the machine head and the protruding vertical portion of the base portion Forming a press working space between the portions, wherein the press working space is provided with a press cylinder and a juice receiving portion;

The press cylinder is fixedly connected, detachably connected or not connected to the overhanging portion of the machine head, or the juice receiving portion is fixedly or detachably connected to the machine head directly or through a connecting member;

An expansion and contraction portion is disposed in the machine head above the press cylinder or on the machine head, and the expansion and contraction portion is fully driven by the driving portion, and the driving portion is disposed in the machine head, on the machine head, and on the base. In the inner portion, the base portion, the vertical portion or the vertical portion, the electric vacuum pump is disposed in the machine head, on the machine head, in the base portion, on the base portion, in the vertical portion or on the vertical portion;

or

(2) When the expansion and contraction is located below the juice selection:

The body body is constituted by an L-shaped structure by a base portion and a vertical portion, or the body is composed only of a base portion, and the base portion is provided with a juice receiving portion and a press cylinder from bottom to top, or in a base portion below the juice receiving portion or An expansion and contraction portion is provided on the base portion, and the expansion and contraction portion is expanded and contracted by the drive portion.

The driving part and the electric vacuum pump are both disposed in the body or on the body;

or

(3) When the expansion joint is located on the side of the press cylinder or on the side of the juice picking section:

The body body comprises an L-shaped structure by a base portion and a vertical portion, a juice receiving portion and a press cylinder are laterally disposed on the base portion, and a lateral expansion and contraction portion is disposed in the vertical portion or the vertical portion, the expansion and contraction portion is The telescopic action is completed under the driving of the driving portion, the driving portion is disposed in the base portion, the base portion, the vertical portion or the vertical portion, and the electric vacuum pump is disposed in the base portion, the base portion, the vertical portion or the vertical portion Ministry

or

(4) When the expansion and contraction is located outside the press cylinder:

The body body is composed of a base portion and a vertical portion, and the base portion is provided with a juice receiving portion and a press cylinder from bottom to top, and an upwardly facing expansion and contraction portion is provided in the vertical portion or the vertical portion. The telescopic action is completed under the driving of the driving portion, the driving portion is disposed in the vertical portion, the vertical portion, the base portion or the base portion, and the electric vacuum pump is disposed in the base portion, the base portion, and the vertical portion. Or on the vertical;

or

(5) When the telescopic section is above the press cylinder:

The body is composed of a base portion, two symmetrical vertical portions and a machine head to form a mouth-shaped frame structure. The machine head is disposed across two symmetrical vertical portions, and the base portion is disposed across two symmetry portions. The lower part of the vertical portion, the space between the middle of the mouth-shaped frame structure is a press working space, and the press working space is provided with a press cylinder and a juice receiving portion;

The pressing cylinder is fixedly connected with the hanging portion of the machine head, detachably connected or not connected, or the liquid receiving portion and the hanging portion of the machine head are fixed or detachably connected directly or through a connecting member;

An expansion and contraction portion is disposed in the machine head above the press cylinder or on the machine head, and the expansion and contraction portion is fully driven by the driving portion, and the driving portion is disposed in the machine head, on the machine head, and vertically. The electric vacuum pump is disposed in the inner portion, the vertical portion, the base portion or the base portion, and is disposed in the machine head, on the machine head, in the vertical portion, on the vertical portion, in the base portion or on the base portion;

or

(6) When the telescopic section is above the press cylinder:

The machine body is composed only of a machine head, and the press cylinder is fixedly connected to the machine head directly or through a connecting piece, and is detachably connected, or the juice connecting portion is fixedly connected with the machine head directly or through a connecting piece, and is detachable. a telescopic portion is disposed in the head of the machine above the press cylinder or on the head of the machine, and the telescopic portion is fully driven by the driving portion, and the driving portion is disposed in the head of the machine and the head of the machine The electric vacuum pump is disposed in the machine head, on the machine head or in the operating room;

or

(7) When the expansion and contraction is located inside the operating chamber of the press:

The machine body is composed only of a machine head, and the press cylinder is fixedly connected to the machine head directly or through a connecting piece, and is detachably connected, or the juice connecting portion is fixedly connected with the machine head directly or through a connecting piece, and is detachable. connection;

The expansion and contraction portion is located inside the operation chamber of the press cylinder, and the expansion and contraction portion is fully driven by the driving portion. The driving portion is disposed in whole or in part in the operating chamber of the press cylinder, and the electric vacuum pump is disposed in the machine head. On the head of the machine;

or

(8) When the expansion and contraction is located inside the operating chamber of the press:

The press cylinder at the operation room is also a machine body, and the expansion and contraction portion is located inside the operation chamber of the press cylinder, and the expansion and contraction portion is fully driven by the drive unit, and the drive portion is disposed in whole or in part in the operation chamber of the press cylinder. The electric vacuum pump is disposed in an operating chamber of the press cylinder.

and,

(1) When the telescopic section is above the press cylinder:

The body is composed of a base portion, a vertical portion and a machine head, and a C-shaped frame structure is arranged, wherein the vertical portion is provided with a machine head and the machine head is suspended from the vertical portion, and the head of the machine is suspended. a pressing working space is formed between the picking portion and a portion of the base portion extending from the vertical portion, and the pressing working space is provided with a pressing cylinder and a juice receiving portion;

The press cylinder is not connected to the cantilever portion of the machine head;

An expansion and contraction portion is disposed in the machine head above the press cylinder or on the machine head, and the spatial positional relationship between the expansion and contraction portion and the machine head is relatively fixed or can be relatively changed and moved;

When the spatial positional relationship between the telescopic portion and the nose portion is relatively fixed: the telescopic portion is fixedly or detachably coupled to the machine head, and the machine head can be moved up and down along the vertical portion under the driving of the driving portion; The driving part is disposed in the machine head, on the machine head, in the base part, on the base part, in the vertical part or in the vertical part, and the electric vacuum pump is arranged in the machine head, on the machine head, in the base part, and in the base part. In the upper, vertical or vertical part;

When the spatial positional relationship between the telescopic portion and the nose portion can be relatively changed, the telescopic portion and/or the machine head can be moved up and down along the vertical portion under the driving of the driving portion, and the whole up and down movement and/or expansion and contraction of the two. The telescopic action of the part realizes the movement of the piston in the press cylinder; the driving part is arranged in the machine head, on the machine head, in the base part, on the base part, in the vertical part or on the vertical part, and the electric vacuum pump is arranged in In the head of the machine, on the head of the machine, in the base portion, on the base portion, in the vertical portion or on the vertical portion;

or

(2) When the telescopic section is above the press cylinder:

The body is composed of a vertical portion and a machine head to form an inverted L-shaped structure, wherein the machine head is a cantilever structure with respect to the vertical portion, and a pressing working space is below the cantilever portion of the machine head, and the pressing working space is Setting a press cylinder and a juice receiving portion;

The press cylinder is fixedly or detachably connected to the overhanging portion of the machine head, or has a support member for connecting the press cylinder or the juice receiving portion on the vertical portion, or the juice receiving portion and the machine head directly Or fixed or detachably connected by a connector;

An expansion and contraction portion is disposed in the machine head above the press cylinder or on the machine head, and the expansion and contraction portion is fully driven by the driving portion, and the driving portion is disposed in the machine head, on the machine head, and vertically. In the straight part or on the vertical part, the electric vacuum pump is arranged in the machine head, on the machine head, in the vertical part or on the vertical part;

or

(3) When the expansion joint is located above the press cylinder:

The body includes a base portion, a vertical portion and a nose portion, and the vertical portion has a C-shaped or U-shaped cross section.

The vertical portion is disposed between the machine head and the base portion, and the space surrounded by the machine head, the vertical portion and the base portion constitutes a press working space, and the press working space is provided with a press cylinder and a juice receiving portion;

An expansion and contraction portion is disposed in the machine head above the press cylinder or on the machine head, and the expansion and contraction portion is fully driven by the driving portion, and the driving portion is disposed in the machine head, on the machine head, and vertically. The electric vacuum pump is disposed in the inner portion, the vertical portion, the base portion or the base portion, and is disposed in the machine head, on the machine head, in the vertical portion, on the vertical portion, in the base portion or on the base portion.

and,

(1) when the expansion and contraction portion is close to the operation room, the end of the press cylinder at the operation room is an open structure or is provided with an end cover;

When it is an open structure: the expansion and contraction portion directly protrudes into the press cylinder from the open structure;

When the end cap is provided: the end portion of the press cylinder is an end cap of the system or the end cap of the press cylinder end, and the telescopic portion extends from the end cover into the press cylinder, and the operation chamber communicates with the atmospheric environment or The operating room is a confined space that is isolated from the atmospheric environment;

or

(2) when the telescopic portion is located lateral to the operating chamber, the end of the press cylinder at the operating chamber is an open structure or is provided with an end cap;

When it is an open structure: the vertical arm on the other side of the inverted U-shaped arm driven by the telescopic portion directly protrudes into the press cylinder from the open structure;

When the end cap is provided: the end of the press cylinder is an end cap of the system or the end cap of the press cylinder end, and the vertical arm of the other side of the inverted U-arm driven by the telescopic section passes through the end cap and extends into the press In the cylinder, the operating room is in communication with the atmospheric environment or the operating room is a closed space that is isolated from the atmospheric environment;

or

(3) when the expansion and contraction portion is close to the juice receiving portion, the end of the press cylinder at the operation chamber is an open structure or is provided with an end cover;

When the end cap is provided: the end of the press cylinder is an institutional outlet cover or the end of the press cylinder is fastened, the operation chamber is connected to the atmospheric environment or the operation room is a sealed space from the atmospheric environment;

or

(4) when the expansion and contraction portion is located inside the operation room, the end of the press cylinder at the operation room is an open structure or is provided with an end cover;

When the end cap is provided: the end of the press cylinder is an institutional outlet cover or the end of the press cylinder is fastened, the operating chamber is in communication with the atmosphere or the operating chamber is a closed space from the atmosphere.

Moreover, the piston is a rotating body, and when the telescopic portion pushes or pulls the piston for pressing, the piston moves along the moving direction of the telescopic portion while also rotating along the rotation axis of the piston itself;

or

The piston is a rotating body that is capable of rotating about its own axis of revolution.

Moreover, it is selected from any one of the structures (1), (2) or (3):

(1) the side wall of the pressurizing portion or the side wall of the press cylinder where the press chamber is located has air holes, and the air suction port of the electric vacuum pump is sealed and communicated with the air hole directly or through an air suction line;

or

(2) The bottom surface of the juice receiving portion has a gas pipe protruding into the juice receiving portion, and the end of the gas pipe extending into the juice receiving portion is located above the juice liquid surface in the juice receiving portion, and the air suction port of the electric vacuum pump is directly or through the air suction pipe The gas pipe is sealed and connected;

or

(3) The piston is provided with air holes, and the air suction port of the electric vacuum pump is in sealing communication with the air hole directly or through an air suction pipe.

Moreover, a port-shaped cover plate is disposed on the upper portion of the juice receiving portion or a funnel-shaped cover plate. The lowest point of the funnel-shaped cover plate is provided with a movable float. The float and the funnel-shaped cover plate together form a floating valve; the press chamber is pressed out After the juice flows into the funnel, the float floats to allow the juice to flow into the juice portion below the funnel-shaped cover. After the pressing is completed and the juice is finished, the float is lowered to block the funnel outlet, and the funnel-shaped baffle is isolated from above. .

Moreover, the screen and the piston are mutually pressed, and the two surfaces extruded by the two may be planar structures, or both of them are integral convex and concave structures, or both are integral concave and convex structures;

Or having at least one convex structure on either surface of the screen opposite to the piston, or having at least one convex structure on both surfaces, or two convex or concave structures or two surfaces having mutually cooperating surfaces, or two surfaces At least one of the surfaces has a radial rib structure, or both surfaces have a shape for pressing that can be completely fitted, or both surfaces have shapes that can be fitted to each other for pressing.

Moreover, a manual valve or an electric control valve for introducing a gas is mounted on the press cylinder at the press chamber, on the juice receiving portion or on the suction line of the electric vacuum pump;

or

A manual valve or an electronically controlled valve for introducing a gas is mounted on the piston.

Moreover, one of the electric vacuum pump or the electric drive telescopic mechanism has no motor, and the other has the operation of driving the motor without the motor directly or through the transmission.

Moreover, an automatic control device for controlling the operation of the electric vacuum pump and the electric drive telescopic mechanism is included, and the automatic control device includes a time control module, a pneumatic control module, a load current detection control module, a temperature detection control module, or an oxygen detection control module. Any one, any two, any three, any four or all five:

(1) The time control module controls the operation of the electric vacuum pump and/or the electrically driven telescopic mechanism in a timed manner; or

(2) The air pressure detecting portion of the air pressure control module includes an air pressure sensor or a pneumatic switch, and the air pressure sensor or the air pressure switch is installed on the air suction line of the electric vacuum pump, on the press chamber, on the juice receiving portion or at a position communicating with the sealed cavity;

The air pressure sensor transmits the air pressure change of the closed cavity to the control part of the air pressure control module as an electrical signal, and the control part controls the operation of the electric vacuum pump and/or the electric drive expansion mechanism;

or

The air pressure switch is mechanical or electronic, and the air pressure change causes the air pressure switch to be turned on or off to control the operation of the electric vacuum pump and/or the electric drive telescopic mechanism; or

(3) The detection part in the load current detection control module is used to detect the load current change of the electric vacuum pump and/or the electric drive expansion mechanism And controlling the operation of the electric vacuum pump and/or the electrically driven telescopic mechanism through the control portion of the load current detection control module; or

(4) The detecting portion in the temperature detecting control module includes a contact temperature sensor or a non-contact temperature sensor, and the contact temperature sensor or the non-contact temperature sensor is installed in the air suction pipe of the electric vacuum pump, in the sealed cavity, and the closed cavity a position at which the body is connected, an outer wall of the member constituting the closed cavity, a body inside the juice receiving portion, a body on the side of the juice receiving portion, a body below the juice receiving portion, or a body below the juice receiving portion;

The contact temperature sensor or the non-contact temperature sensor transmits the temperature change in the sealed cavity to the control part of the temperature detection control module as an electrical signal, and the control part controls the operation of the electric vacuum pump and/or the electric drive expansion mechanism; or

(5) The detecting portion in the oxygen detecting control module includes an oxygen sensor, and the oxygen sensor is installed in the air suction pipe of the electric vacuum pump, in the sealed cavity, or in a space communicating with the closed cavity;

The oxygen sensor transmits the change in oxygen concentration in the closed chamber as an electrical signal to the control portion of the oxygen detection control module, which controls the operation of the electric vacuum pump and/or the electrically driven telescopic mechanism.

Moreover, a juice tube is disposed on the bottom or side wall of the juice receiving portion, and the end of the juice tube is sealingly connected with the upper end opening of a juice tank or a faucet is disposed at the end of the juice tube;

or

A juice tube is arranged on the bottom or side wall of the juice receiving portion, and the end of the juice tube is sealingly connected with the upper end opening of the juice tank, and the air suction port of the electric vacuum pump is sealingly connected to the juice tank directly or through an air suction line.

Moreover, when the piston is pressed, the gas pressure in the closed chamber is selected from any one of (1), (2), (3), (4) or (5):

(1) less than 10 kPa and greater than 0 kPa;

or

(2) less than 2.5 kPa and greater than 0 kPa;

or

(3) less than 1.7 kPa and greater than 0 kPa;

or

(4) less than 1.23 kPa and greater than 0 kPa;

or

(5) less than 0.87 kPa and greater than 0 kPa.

Moreover, it also includes a pneumatic display device, which is a mechanical barometer or an electronic barometer:

The mechanical barometer is a pointer type barometer, including a barometric pressure sensor and a pointer type head. The air pressure sensor is disposed in the closed cavity body, and the pointer type head is disposed on the side wall of the juice receiving portion or the side wall of the press cylinder;

Or a pressure measuring hole is arranged on the side wall of the juice receiving portion or the side wall of the pressing chamber, and the measuring hole has an elastic film blocking;

The electronic air pressure gauge comprises an air pressure sensor, a detection circuit and an optical display or an audio prompting device, wherein the parts are electrically connected, the air pressure sensor is disposed in the sealed cavity, and the optical display is disposed on the side wall of the juice receiving portion and the side wall of the pressing cylinder Or on the body, the sound prompter is located in the body.

Moreover, the electric drive telescopic mechanism is an electric push rod, an electric cylinder, a linear traveling motor, a through-type screw linear stepping motor, an electric rack jack, an electro-hydraulic push rod, an electro-hydraulic jack, an electro-hydraulic lifting mechanism, an electropneumatic Push rod, electric screw lifter, electric crankshaft link type telescopic mechanism, electric camshaft link type telescopic mechanism, electric crank slider telescopic mechanism, electric worm gear linkage type telescopic mechanism, electric scissor jack, electric screw screw Telescopic mechanism, electric ball screw lifting mechanism, electric turbine screw telescopic mechanism, electric scissor lifting mechanism, electric sleeve type lifting mechanism, electric column type lifting mechanism, electric crank arm lifting mechanism or electric chain type lifting mechanism Either or any combination of two or more.

Further, electric heating is provided on the side of the juice receiving portion, the bottom of the juice receiving portion, the body inside the juice receiving portion, the body on the side of the juice receiving portion, the body below the juice receiving portion, or the body below the juice receiving portion. Device.

Moreover, the intersection of the pressing cylinder and the juice receiving portion, the intersection of the pressing cylinder and the end cap, the intersection of the juice receiving portion and the head portion, the intersection of the pressing cylinder and the machine head, and the intersection of the juice receiving portion and the base portion A safety switch device is provided at at least one of the junctions, and the safety switch device is turned on only when the junction is properly installed.

The advantages and positive effects of the present invention are:

In the present invention, the press cylinder and the juice receiving portion may be arranged up and down, or may be a laterally disposed structure, or may be a slanted arrangement, and the press cylinders may all be located outside the juice receiving portion and partially in the juice receiving portion. Or all of them are located in the juice receiving portion, the expansion and contraction portion has different mounting positions matched with the above structure, the side wall of the press cylinder at the press chamber is provided with a filter screen, or the bottom of the press chamber is provided with a filter screen, or the press chamber and the juice receiving portion are provided. The filter is arranged, or the filter is arranged in the juice receiving portion, or the filter is arranged in the press chamber, and the body can also adopt different structures correspondingly, and the electric drive telescopic mechanism, the electric vacuum pump and the automatic control device cooperate with each other to realize vacuuming, The automatic control of the press, while the foodstuffs such as fruits and vegetables are kept in a vacuum environment during the pressing process and when the juice (including oil) enters the juice or the juice tank. In the prior art, problems such as discoloration and deterioration of juice due to oxidation in the air pressing technology are avoided. Compared with the vacuum spiral juicer, it has easy cleaning. After each use, it only needs to clean the juice part, the press cylinder and the piston. The vacuum spiral juicer needs to clean at least the sealing cover after each use. , feeding barrel, screw shaft, cylindrical filter, juice extraction chamber, juice cup, residue cup, 7 parts), easy to operate (minimum installation of only 3 parts, vacuum spiral juicer need to install at least 7 component).

DRAWINGS

1 is a schematic structural view of Embodiment 1 of the present invention;

Figure 2 is a schematic structural view of Embodiment 2;

Figure 3 is a schematic structural view of Embodiment 3;

Figure 4 is a schematic structural view of Embodiment 4;

Figure 5 is a schematic structural view of Embodiment 5;

Figure 6 is a schematic structural view of Embodiment 6;

Figure 7 is a schematic structural view of Embodiment 7;

Figure 8 is a schematic structural view of Embodiment 8;

Figure 9 is a schematic structural view of Embodiment 9;

Figure 10 is a schematic view showing the connection relationship between the press cylinder and the machine head;

Figure 11 is a schematic view showing the structure of the piston and the screen as a whole convex and concave structure;

Figure 12 is a schematic view showing the structure in which the opposite surfaces of the piston and the screen have mutually matching convex and concave structures;

Figure 13 is a schematic view showing the structure of the detachable connection between the telescopic portion and the piston;

Figure 14 is a schematic structural view of Embodiment 10;

Figure 15 is a schematic structural view of Embodiment 11;

Figure 16 is a schematic view showing a cross section of the vertical portion in a C-shaped configuration.

detailed description

The following examples are intended to be illustrative, and not restrictive, and the scope of the invention is not limited by the following examples.

An electric drive vacuum press, as shown in Figures 1 to 16, the innovation of the present invention comprises: a press cylinder 9, a juice receiving portion 22, a piston 10, an electric drive telescopic mechanism, an electric vacuum pump 17 and a body 7, a press cylinder Mounting a piston that can slide in the press cylinder, the outer edge of the piston closely fits with the inner edge of the press cylinder and forms a sealing sliding relationship, and the piston divides the press cylinder into the operating chamber 2 and the press chamber 13 which are separated from each other. The top surface of the piston is located in the operating room, and the bottom surface of the piston is located in the press chamber. The piston seals and slides in the operating chamber and presses the food in the press chamber.

The press cylinders are all located outside the juice receiving portion, the press cylinder portion is located in the juice receiving portion or the press cylinders are all located in the juice receiving portion;

1. When the press cylinders are all located outside the juice receiving part (as shown in Figures 1, 2, 3, 4, 5, 6, 14, 15), the press cylinder and the juice receiving part are integrated, detachable connection structure or only The bottom of the press cylinder is sealed at the opening of the juice receiving portion, and the press chamber and the juice receiving portion communicate with each other to form a closed cavity 55 (the uppermost end or the topmost end of the closed cavity is the bottom surface of the piston) The operating room is in communication with the atmospheric environment or the operating room is a closed space;

2. When the portion of the press cylinder is located in the juice receiving portion (as shown in Fig. 8), the press cylinder and the juice receiving portion are integrally formed, the detachable connection structure or only the outer edge of the press cylinder is sealed and pressed at the opening of the juice receiving portion. The press chamber and the juice receiving portion communicate with each other to form a closed cavity, the operating room is in communication with the atmospheric environment or the operating room is a closed space;

3. When the press cylinders are all located in the juice receiving portion (as shown in Figs. 7 and 9), the press cylinder and the juice receiving portion are integrally formed, the detachable connecting structure or the press cylinder is sealed and crimped in the juice receiving portion, and the press chamber is The juice receiving portions communicate with each other and together form a closed cavity, the operating chamber is in communication with the atmospheric environment or the operating chamber is a closed space.

In the first and second items, “sealing pressure” means that when the electric vacuum pump is evacuated, the press chamber and the juice receiving portion are closely sucked together under the action of atmospheric pressure to form a closed cavity.

In item 3, the “sealing crimp” of the press cylinder means:

1. The upper end of the press cylinder can be fastened to the upper end of the juice receiving portion, the inner edge of the juice receiving portion or the bottom surface of the juice portion by a sealing member;

2. The upper end of the press cylinder or the outer edge of the press cylinder has a convex edge extending outwardly, and the flange can be fastened to the upper end of the juice receiving portion and can also be tightly pressed against the inner edge of the juice receiving portion. When the processing precision of the flange is sufficiently high, the flange itself can form a sealing pressure contact with the opening at the upper end of the juice receiving portion;

3. The outer edge of the press cylinder is fastened to the upper end of the juice receiving portion, the inner edge of the juice receiving portion or the bottom surface of the juice receiving portion by a sealing member, and the buckle at the place is only pressed on the juice receiving portion by the outer edge of the sealing member. On the inner edge of the juice or on the bottom of the juice.

The above-mentioned buckle is only a relationship in which the two are pressed against each other, that is, a relationship of close contact with each other, not an integral structure or a detachable connection structure, but the piston, the seal and the seal below the press chamber (or the flange and the convex) The space of the juice receiving portion of the side) may be combined to form a sealed state. When the electric vacuum pump is evacuated, the press chamber and the juice receiving portion are closely sucked together under the action of atmospheric pressure to form a closed cavity.

a side wall of the press cylinder at the press chamber is provided with a filter screen, or a side wall of the press cylinder at the press chamber and a bottom of the press cylinder are provided with a filter screen, or a filter screen is arranged at the bottom of the press cylinder, or a press chamber and a juice receiving portion are provided. A filter screen is provided between them, or a filter screen is arranged in the juice receiving portion, or a filter screen is arranged in the press chamber.

The screen acts on the one hand for filtering during pressing and on the other hand for communicating the press cylinder with the juice receiving portion.

1. When the press cylinders are all located outside the juice receiving portion, only the bottom of the press cylinder within the opening of the juice portion is provided with a filter screen, or a filter screen is arranged between the press chamber and the juice receiving portion, or a filter screen is arranged in the juice receiving portion, or A filter screen is disposed in the press chamber.

2. When the portion of the press cylinder is located in the juice receiving portion, only the side wall of the press cylinder at the press chamber inside or below the opening of the juice portion and the bottom of the press cylinder are provided with a sieve, or a filter is arranged between the press chamber and the juice receiving portion. A screen is arranged in the net or in the juice receiving portion, or a filter is arranged in the press chamber.

3. When the press cylinders are all located in the juice receiving portion, either or both of the side walls of the press cylinder at the press chamber and the bottom of the press cylinder may be provided with a screen.

The electric drive expansion and contraction mechanism includes a drive unit 6 and an expansion and contraction unit 5 which are provided in the machine body 7, are disposed on the machine body 7, are partially disposed in the operation room 2, or are all disposed in the operation room 2. The telescopic portion is fixedly connected to the piston, detachably connected or only pressed against the piston, and the telescopic portion pushes or pulls the piston to move in the press cylinder when the telescopic portion expands and contracts, so that the volume of the press chamber changes, when the telescopic portion When the piston is moved or pulled and the volume of the press chamber is reduced, the piston presses the material to be pressed 12 located in the press chamber, through which the squeezed juice enters the juice portion.

The "pressing material 12" according to the present invention includes various fruits and vegetables, and also includes oil crops (specifically, plant materials such as peanuts, soybeans; and animal raw materials such as fat pork, pig fat, etc.). Correspondingly, the "sap" extracted includes fruit juice, vegetable juice and various oils (for example, fruit juice is extracted from fruits as a pressed product; peanut oil is extracted from peanuts). The invention can be used for both juice and vegetable juices as well as for oil extraction.

The electric vacuum pump is located in the body, on the body, in the closed cavity or in the operating room, and has an air suction port 19 and an air outlet 16 , and the air suction port of the electric vacuum pump communicates with the closed cavity directly or through the air suction pipe 27 The air port communicates with the atmospheric environment directly or through the air outlet pipe, or the air outlet port communicates with the operation room directly or through the air outlet pipe (especially when the operating room is a closed space, the air pressure in the operating room can be increased, and the pressure of the piston on the press chamber is increased) .

The electric vacuum pump is used for extracting the air in the closed cavity in the whole process, the last two processes or the last process before the piston is pressed, the piston is pressed, or the piston is pressed. The closed chamber is maintained in a vacuum state (vacuum state or vacuum means a gas state lower than an atmospheric pressure in a given space, that is, a negative pressure state or a negative pressure), and the purpose of pressing under vacuum is achieved.

The "process" as used herein means "stage", for example, "the process before the piston is pressed" means "the stage before the piston is pressed", and so on.

The use of the electric vacuum pump described in the previous paragraph can also be as follows:

The electric vacuum pump is used to make the closed cavity any one of three processes (or stages), any two processes (or stages) or all processes before the piston is pressed, when the piston is pressed, or after the piston is pressed. Or in the phase), the air in the closed chamber is withdrawn, and the closed chamber is kept in a vacuum state.

Specifically speaking:

1. Any process (stage) means:

Before the piston is pressed (the process or stage), the air in the closed chamber is drawn out, the closed chamber is kept in a vacuum state, and the remaining process (stage) does not pump air; or

When the piston is pressed (the process or stage), the air in the closed chamber is withdrawn, the closed chamber is kept in a vacuum state, and the remaining process (stage) does not draw air; or

After the piston completes the pressing (the process or stage), the air in the closed chamber is withdrawn, the closed chamber is kept in a vacuum state, and the rest of the process (stage) does not draw air.

2. Any two processes (stages) mean:

Before the piston is pressed (the process or stage) and when the piston is pressed (the process or stage), the air in the closed chamber is withdrawn, the closed chamber is kept in a vacuum state, and the remaining process (stage) does not draw air; or

Before the piston is pressed (the process or stage) and after the piston completes the pressing (the process or stage), the air in the closed chamber is withdrawn, the closed chamber is kept in a vacuum state, and the remaining process (stage) does not pump air; or

When the piston is pressed (the process or stage) and after the piston completes the press (the process or stage), the air in the closed chamber is withdrawn, the closed chamber is kept in a vacuum state, and the remaining process (stage) does not draw air.

3. The whole process (stage) means:

The air in the closed chamber is withdrawn before the piston is pressed (process or stage), when the piston is pressed (process or stage), and after the piston is squeezed (process or stage), leaving the closed chamber vacuum status.

It will be understood that the "electrically driven vacuum press" of the present invention can also be used as a conventional electric drive press. It can be used in any one of the three processes (or phase), any two processes (or phases) or all processes (or phases) before the piston is pressed, when the piston is pressed, or after the piston is finished. The electric vacuum pump never works. At this time, the "closed cavity 55" may or may not be completely sealed (for example, when the press cylinders are all located outside the juice receiving portion, as shown in Figs. 1, 2, 3, 4, 5, 6, 14, 15 a compact structure between the press cylinder and the juice receiving portion, a detachable connection structure or only the bottom of the press cylinder is pressed at the opening of the juice receiving portion, the press chamber and the juice receiving portion are in communication with each other, the operating chamber and the atmosphere The environment is connected or the operating room is a confined space). At this time, because the electric vacuum pump does not work, the press chamber and the juice receiving part are in a normal pressure state (or equal pressure with the atmospheric environment), and the pressing process is carried out in a normal pressure environment (suitable for certain juice quality requirements for pressing) Not high crush).

The relationship between the press cylinder and the juice receiving portion and the relationship between the two and the expansion and contraction portion are selected from any one of the structures (1), (2), (3), (4), (5), (6) or (7):

(1) The press cylinder and the juice receiving portion are vertically arranged as shown in Figs. 1, 2, 3, 7, 8, 9, 14, and 15, and the press cylinder is vertically disposed at the upper end of the juice receiving portion (Fig. 1, 2, 3, 14, 15), the press cylinder portion is located in the juice receiving portion (Fig. 8) or the press cylinder is all located in the juice receiving portion (Figs. 7, 9), the telescopic portion is located above the press cylinder, and the telescopic portion extends into the press cylinder Inside and its end is fixedly connected to the piston (may be Figures 2, 3, 7, 8), detachable connection (may be Figures 2, 3, 7, 8) or only against the piston (Figure 1, 9 When the telescopic portion is extended, the piston is pushed and moved downward, and the pressed product in the press chamber is pressed, and the pressed juice enters the juice receiving portion through the filter screen;

or

(2) The press cylinder and the juice receiving portion are integrally arranged as shown in FIG. 4, the press cylinder is vertically disposed at the upper end of the juice receiving portion (Fig. 4), the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion. The telescopic portion is located below the juice receiving portion, and the telescopic portion is sealed and slid from the bottom through the bottom of the juice receiving portion, and then passes through the sliding sleeve 37 and extends into the pressing chamber, and the end portion 36 is fixedly connected or detachably connected. On the piston, the fixed connection may be a conventional fixing manner such as welding, or a connecting member 56 as shown in FIG. 4 may be detachably connected, and the expansion portion pulls the piston and moves it downward when the contraction is contracted. Pressing the pressed product in the room, and the pressed juice enters the juice receiving portion through the filter screen;

or

(3) The press cylinder and the juice receiving portion are integrally disposed in a lateral direction as shown in FIG. 5, the press cylinder is disposed on the right side of the juice receiving portion (FIG. 5), the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion. The telescopic portion is located on the side of the end of the press cylinder adjacent to the operating chamber, the telescopic portion projects into the press cylinder and the end portion thereof is fixedly connected to the piston, detachably connected or only pressed against the piston, and the telescopic portion is pushed forward The piston is moved in the direction of the juice receiving portion, and the pressed product in the pressing chamber is pressed, and the pressed juice passes through the filter screen into the juice receiving portion;

or

(4) The pressing cylinder and the juice receiving portion are arranged in a lateral direction as shown in FIG. 5, the pressing cylinder is disposed on the right side of the juice receiving portion, the pressing cylinder portion is located in the juice receiving portion, or the pressing cylinder is entirely located in the juice receiving portion (different from FIG. 5) The telescopic portion is located on a side close to the bottom of the juice receiving portion, and the telescopic portion is sealed to slide through the bottom of the juice receiving portion, and then penetrates the filter into the pressing chamber, and the end portion thereof is fixedly connected or detachably connected to the piston. When the telescopic portion contracts, the piston is pulled to move in the direction of the juice receiving portion, and the pressed product in the pressing chamber is pressed, and the pressed juice enters the juice receiving portion through the filter screen;

or

(5) The press cylinder and the juice receiving portion are integrally arranged as shown in Fig. 6. The press cylinder is vertically disposed at the upper end of the juice receiving portion (Fig. 6), the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion. The telescopic portion is located outside the press cylinder, and the end portion of the retractable portion is connected to the lower end of the vertical arm 41 on the side of the inverted U-shaped arm toward the upper end, and the other side of the horizontal beam 42 in the inverted U-shaped arm is connected The lower end of the straight arm 41 extends into the press cylinder and is fixedly connected with the piston, detachably connected or only pressed against the piston. When the telescopic portion contracts, the piston is pushed by the inverted U-shaped arm and moved downward, and the press chamber is pressed. Pressing the pressed material, and the pressed juice enters the juice receiving portion through the filter screen;

or

(6) The tilting setting of the pressing cylinder, the pressing cylinder is inclined on the juice receiving portion, the pressing cylinder portion is located in the juice receiving portion or the pressing cylinder is all located in the juice receiving portion, and the angle between the movement trajectory of the piston in the pressing cylinder and the horizontal plane is greater than 0° and Less than 90°, the telescopic portion is located on the side of the end of the press cylinder close to the operating chamber, the telescopic portion projects into the press cylinder, and the end portion thereof is fixedly connected to the piston, detachably connected or only pressed against the piston When the telescopic portion is extended, the piston is pushed to move in the direction of the juice receiving portion, and the pressed product in the pressing chamber is pressed, and the pressed juice enters the juice receiving portion through the filter screen;

or

(7) The press cylinder and the juice receiving portion are vertically disposed, the press cylinder is vertically disposed on the juice receiving portion, the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion, and the expansion and contraction portion is located as shown in FIG. In the operating chamber of the press cylinder, the end of the telescopic portion is fixedly connected to the piston, detachably connected or only pressed against the piston, and when the telescopic portion is extended, the piston is pushed and moved downward, and the pressing object in the pressing chamber is pressed. Pressing, the squeezed juice enters the juice portion through the screen.

The specific structure of the body in the above (1), (2), (3), (4), (5), (6) or (7) is as follows:

(1) When the expansion and contraction is located above the press cylinder, Figures 1, 2, 3, 7, and 8 meet the conditions:

The body is composed of a base portion 24, a vertical portion 11 and a nose portion 1 to form a C-shaped frame structure, wherein the nose portion is a cantilever structure with respect to the vertical portion, and the cantilever portion of the machine head and the extension of the base portion Forming a press working space between the portions of the vertical portion, wherein the press working space is provided with a press cylinder and a juice receiving portion;

The press cylinder and the overhanging portion of the machine head are fixedly connected, detachably connected or not connected, or the juice connecting portion is fixed directly to the machine head or through a connecting member (fixed connection may cause inconvenience in use, but may Realized) or detachable connection;

or

(2) When the expansion and contraction is located below the juice receiving part, Figure 4 meets the conditions:

The body is constituted by the base portion 24 and the vertical portion 11 to form an L-shaped structure, or the body is composed only of a base portion (there is no vertical portion in the structure), and the base portion is provided with a juice receiving portion and a press from bottom to top. a cylinder, a telescopic portion is disposed in the base portion below the juice receiving portion or the base portion, and the telescopic portion is fully expanded and contracted by the driving portion, and the driving portion and the electric vacuum pump are disposed in the body or the body;

or

(3) When the expansion and contraction is located on the side of the press cylinder (Fig. 5 meets the conditions) or on the side of the juice selection section:

The body body comprises an L-shaped structure by a base portion 24 and a vertical portion 11, a juice receiving portion and a press cylinder are laterally disposed on the base portion, and a lateral expansion and contraction portion is disposed in the vertical portion or the vertical portion, the expansion and contraction portion is The driving portion is driven to perform a telescopic movement, and the driving portion is disposed in the base portion, the base portion, the vertical portion or the vertical portion, and the electric vacuum pump is disposed in the base portion, the base portion, the vertical portion or On the vertical part;

or

(4) When the expansion and contraction is located outside the press cylinder, Figure 6 meets the requirements:

The body is composed of a base portion 24 and a vertical portion 11 forming an L-shaped structure, the base portion is provided with a juice receiving portion and a press cylinder from bottom to top, and an upwardly extending portion is provided in the vertical portion or the vertical portion. The telescopic portion is driven by the driving portion, and the driving portion is disposed in the vertical portion, the vertical portion, the base portion or the base portion, and the electric vacuum pump is disposed in the base portion, the base portion, and the vertical portion. Straight inside or upright;

or

(5) When the telescopic section is above the press cylinder:

An expansion and contraction portion is disposed in the machine head above the press cylinder or on the machine head, and the expansion and contraction portion is fully driven by the driving portion, and the driving portion is disposed in the machine head, on the machine head, and vertically. The electric vacuum pump is disposed in the inner portion, the vertical portion, the base portion or the base portion, and is disposed in the machine head, on the machine head, in the vertical portion, on the vertical portion, in the base portion or on the base portion (as a deformed structure) The vertical portion may also be two or more vertical portions, and even the vertical portion has a U-shaped, C-shaped cross section, that is, the vertical portion surrounds the press cylinder and the juice portion in a semicircular shape. In the present invention, such a deformed structure is attributed to a mouth-shaped frame structure);

or

(6) When the telescopic part is located above the press cylinder, Figure 9 meets the conditions:

The machine body is composed only of the machine head 1 , and the press cylinder is fixedly connected to the machine head directly or through a connecting piece, and is detachably connected, or the juice connecting portion and the machine head are fixedly connected directly or through a connecting member. Disassembling a connection; an expansion and contraction portion is disposed in the head of the machine above the press cylinder or on the machine head, and the expansion and contraction portion is fully driven by the driving portion, and the driving portion is disposed in the machine head and the machine head In part, the electric vacuum pump is disposed in the head of the machine, on the nose of the machine or in the operating room.

or

Or

(8) When the expansion and contraction portion is located inside the operation chamber of the press cylinder, Figure 14 meets the conditions:

The press cylinder at the operation room is also a machine body, and the expansion and contraction portion is located inside the operation chamber of the press cylinder, and the expansion and contraction portion is fully driven by the drive unit, and the drive portion is disposed in whole or in part in the operation chamber of the press cylinder. The electric vacuum pump is disposed in an operating chamber of the press cylinder;

or

(9) When the telescopic section is located above the press cylinder, Figure 15 meets the conditions:

An expansion and contraction portion is disposed in the machine head above the press cylinder or on the machine head, and the spatial positional relationship between the expansion and contraction portion and the machine head is relatively fixed or can be relatively changed:

When the spatial positional relationship between the telescopic portion and the nose portion is relatively fixed: the telescopic portion is fixedly or detachably coupled to the machine head, and the machine head can be moved up and down along the vertical portion under the driving of the driving portion.

The driving portion is disposed in the machine head, on the machine head, in the base portion, on the base portion, in the vertical portion or on the vertical portion, and the electric vacuum pump is disposed in the machine head, on the machine head, in the base portion, and in the base portion. On the upper part, in the vertical part or on the vertical part;

or

(10) When the telescopic section is above the press cylinder:

or

(11) When the telescopic section is above the press cylinder:

The relationship between the press cylinder and the juice receiving portion and between the two and the expansion and contraction portion may be selected in (1), (2), (3), (4), (5), (6) or (7), and the result of the selection is defined as A; the corresponding body structure may be Select in (1), (2), (3), (4), (5), (6), (7), (8), (9), (10), or (11), and the result of the selection is defined as B; A and B of the two results need to satisfy the matching condition to form a complete In the solution, the operating room in each complete solution can be connected to the atmospheric environment or a confined space, wherein the positional relationship between the telescopic portion, the operating room and the juice receiving portion is defined as follows:

The description of the telescopic portion near the operating room means that the pressing cylinder and the juice receiving portion are vertically disposed, the pressing cylinder and the juice receiving portion are integrally disposed in a lateral direction or the pressing cylinder is inclined, and the expansion and contraction portions are all from the operation chamber. Extending into the press cylinder and pushing the piston;

The description of the telescopic portion on the side of the operation room means that the press cylinder and the juice receiving portion are integrally arranged vertically, and the vertical arm on the other side of the inverted U-shaped arm driven by the telescopic portion protrudes into the press cylinder from the operation chamber and pushes piston;

The description of the retractable portion near the juice receiving portion means that the pressing cylinder and the juice receiving portion are vertically disposed or the pressing cylinder and the juice receiving portion are disposed in a lateral direction. The two telescopic portions are respectively connected under the juice portion. At the bottom of the juice, the filter is inserted into the press chamber and the piston is pulled.

The state of the specific operating room is selected from any one of (1), (2), (3) or (4):

When the end cap is provided: the end portion of the press cylinder is an end cap of the system or the end cap of the press cylinder end, and the telescopic portion extends from the end cover into the press cylinder, and the operation chamber communicates with the atmospheric environment or The operating room is a confined space that is isolated from the atmosphere.

The relationship between the end cap and the end of the press cylinder is:

When the end cap and the end of the press cylinder at the operating room are integrated or sealed, the operating room is a sealed space from the atmospheric environment;

When the end cap and the end of the press cylinder at the operating room are integrated or sealed, the end cap itself may be provided with a hole or a slit, and when the telescopic portion passes through the end cap, a gap may be set between the two, and the operation room may be provided. A hole or a slit may be arranged on the side wall of the pressing cylinder, and an integral joint between the end cover and the pressing cylinder may be provided with a hole or a slit, and the hole or the slit may connect the operating room with the atmospheric environment;

When the end cap is in the buckle structure, there is a gap between the end cap and the end of the press cylinder to connect the operating chamber to the atmospheric environment.

or

When the end cap is provided: the end of the press cylinder is an end cap of the system or the end cap of the press cylinder end, and the vertical arm of the other side of the inverted U-arm driven by the telescopic section passes through the end cap and extends into the press Within the cylinder, the operating chamber is in communication with the atmosphere or the operating chamber is a confined space that is isolated from the atmosphere.

The relationship between the end cap and the end of the press cylinder is:

When the end cap and the end of the press cylinder at the operating room are integrated or sealed, the end cap itself may be provided with a hole or a slit, and when the vertical arm passes through the end cap, a gap may be set between the two, and the operation room may be provided. The side wall of the press cylinder may be provided with a hole or a slit, and the end joint of the end cover and the press cylinder may be provided with a hole or a slit, and the hole or the gap may connect the operation room with the atmospheric environment;

or

The relationship between the end cap and the end of the press cylinder is:

When the relationship between the end caps in the above (1), (2), (3) or (4) and the end of the press cylinder is such that the operating chamber is a closed space from the atmospheric environment, the operating chamber forms a space of negative pressure when the piston is pressed, so the pressing is completed. After that, the negative pressure can reset the piston, that is, the negative pressure is similar to the function of the pneumatic tension spring.

When the air outlet of the electric vacuum pump is in communication with the operating chamber in the closed space state, the operating chamber forms a positive or negative pressure when the piston is pressed.

More preferably, the piston is a rotating body, and when the telescopic portion pushes or pulls the piston for pressing, the piston moves along the moving direction of the telescopic portion while also rotating along the rotation axis of the piston itself, and the rotation can make the piston squeeze Pressing at the same time to form a rolling (spinning) movement As a result, the juice in the press can be hydraulically discharged as much as possible.

It may also be that the piston is a rotating body that is capable of rotating about its own axis of revolution. That is, the piston can rotate along its own axis of rotation regardless of whether the piston moves along the direction of movement of the telescopic portion.

The connection relationship between the suction port of the electric vacuum pump and the closed cavity is selected from any one of (1), (2) or (3):

(1) the side wall of the pressing portion or the side wall of the press cylinder where the press chamber is located has a gas hole 21, and the suction port 19 of the electric vacuum pump is in sealing communication with the air hole directly or through the suction line 27;

When the positions of the press cylinder and the juice receiving portion are different, the positions of the air holes 21 are also different, and specifically may be any one of the following three types:

When the press cylinder is located on the juice receiving portion, the closed cavity is composed of a piston, a press chamber and a juice receiving portion, and any one of the side wall and the piston of the press chamber is provided with a pore, or the side wall and the bottom of the juice portion. Any one of the positions is provided with a vent; or, when the portion of the 2 press cylinder is located in the juice receiving portion, the closed cavity is composed of a piston, a press chamber and a juice receiving portion, a side wall of the piston and the press chamber in the juice receiving portion, and a press chamber Any position at the bottom of the bottom is provided with a vent, or any one of the side wall and the bottom of the juice receiving portion is provided with a vent; or, when all the 3 squeezing cylinders are located in the juice receiving portion, the closed chamber is sealed by a piston, a press chamber, and a seal The member and the juice receiving portion are configured such that the piston, the side wall of the juice receiving portion, the bottom portion, and the sealing member are provided with air holes.

or

(2) The air hole 21 on the bottom surface of the juice receiving portion has a gas pipe 29 protruding into the juice receiving portion, and the end 30 of the gas pipe extending into the juice receiving portion is located above the juice liquid level in the juice receiving portion, and the suction port 19 of the electric vacuum pump is directly or The gas pipe is in sealing communication with the gas pipe.

or

(3) The piston is provided with a gas hole 21 (the gas hole penetrates the top surface and the bottom surface of the piston), and the suction port 19 of the electric vacuum pump is in sealing communication with the air hole directly or through the suction line 27.

A funnel-shaped cover plate 31 may be disposed on the upper port of the juice receiving portion or the inside thereof, and the lowest point of the funnel-shaped cover plate has an opening, and a movable float 32 is disposed in the opening, the float and the funnel cover Cooperating to form a floating valve; after the juice squeezed by the press chamber flows into the funnel-shaped cover plate, the float floats to allow the juice to flow into the juice receiving portion below the funnel-shaped cover plate through the opening, and after the pressing is completed and the juice is discharged, the float is floated. Lower the plug to close the opening and isolate the funnel-shaped baffle from above.

In order to increase the pressing effect of the piston, the two

surfaces

47 and 48 which are pressed against each other by the piston and the screen which are pressed against each other may be of a planar structure, or both of them may be a unitary convex-concave structure, or both may be a unitary concave-convex structure. In Fig. 11, the lower surface 47 of the piston is a convex structure, and the upper surface 48 of the screen is a concave structure, which constitute a convex-concave structure.

On the basis of satisfying the different mating structures of the above two surfaces, at least one convex structure is provided on any surface of the screen opposite to the piston, or both surfaces have at least one convex structure, or the two surfaces have mutual The mating convex or concave structure or the concave-convex structure, or at least one of the two surfaces has a radial rib structure, or both surfaces have a shape that can be completely fitted for pressing. In Fig. 12, the lower surface 47 of the piston and the upper surface 48 of the screen have protruding structures 49 which are offset from each other. Similarly, the recessed structure 50 is disposed on both sides, and the protruding structure and the recessed structure together constitute a mutual cooperation. Convex structure.

When the electric vacuum pump is working, the suction port or the suction pipe draws a vacuum (negative pressure) into the closed cavity. After the pressing is completed, the closed cavity needs to restore normal air pressure, and the press tank at the press chamber is connected to the juice. A manual valve or an electronically controlled valve 20 for introducing a gas is mounted on the upper (Fig. 2) or on the suction line of the electric vacuum pump (Figs. 1, 6, and 7). The electric control valve refers to a valve that is driven to open/close by electricity, including but not limited to an electric valve, a solenoid valve or an electrostrictive valve.

In short, a manual valve or an electric control valve for introducing a gas is mounted on the component constituting the closed cavity or the suction line of the electric vacuum pump.

Since both the electric drive telescopic mechanism and the electric vacuum pump have one motor, it is also possible to share one motor. Specifically, one of the electric vacuum pump or the electric drive telescopic mechanism has no motor, and the other has a motor that drives the unset motor directly or through a transmission. The transmission described above includes, but is not limited to, a coupling mechanism, a gear transmission, a belt transmission, a chain transmission, or an electromagnetic clutch mechanism.

a temperature sensor is installed in the closed cavity or in the air suction pipe of the electric vacuum pump; or a temperature sensor is mounted on the outer wall of the component constituting the closed cavity; or, in the body side of the juice receiving portion, and the side of the juice receiving portion A temperature sensor is mounted on the body, the body below the juice portion, or the body below the juice portion. The temperature sensor is a contact temperature sensor or a non-contact temperature sensor.

An oxygen sensor is installed in the sealed cavity or in the air suction pipe, or the space where the oxygen sensor is located is in communication with the closed cavity.

In order to control the operation of the electric vacuum pump and the electric drive telescopic mechanism, an automatic control device for controlling the operation of the electric vacuum pump and the electric drive telescopic mechanism is further included, and the automatic control device includes a time control module, a pneumatic control module, a load current detection control module, and a temperature. Any one, any two, any three, any four or all five of the detection control module or the oxygen detection control module:

or

(3) The detecting portion in the load current detecting control module is configured to detect a load current change of the electric vacuum pump and/or the electric drive telescopic mechanism, and control the operation of the electric vacuum pump and/or the electric drive telescopic mechanism through a control portion in the load current detecting control module. ;or

(5) The detecting portion of the oxygen detecting control module includes an oxygen sensor, and the oxygen sensor is installed in the air suction pipe of the electric vacuum pump, in the sealed cavity, and in a space communicating with the sealed cavity;

The load current detection control module of the present invention may be a component composed of an independent "hardware" or a load current detection and control function attached to the automatic control device itself.

In order to expand the ability of the juice to hold the juice, a juice tube 38 is disposed on the bottom or side wall of the juice portion, and the end of the juice tube is sealingly connected with the upper end opening 39 of the juice tank 40 or the end of the juice tube is provided. Faucet

or

A juice tube 38 is disposed on the bottom or side wall of the juice portion, and the end of the juice tube is sealingly connected with the upper end opening 39 of the juice tank 40. The suction port 19 of the electric vacuum pump 17 is directly or through the suction line 27 and the juice. The tank is sealed.

In the above various structures, in order to avoid oxidation of the juice after the pressing process and the pressing, the gas pressure in the closed chamber is preferably less than 10 kPa and greater than 0 kPa (0 kPa is "absolute vacuum" when the piston is pressed. ", is the theoretical vacuum limit, any vacuum pump on the earth can not reach 0 kPa), a more preferred solution is: when the piston is pressed, the gas pressure in the closed chamber is less than 2.5 kPa (the boiling point of water is about 21 ° C) ) and greater than 0 kPa.

In particular, the boiling point of water will decrease with the decrease of gas pressure, such as water boiling point of 15 ° C at 1.71 kPa; water boiling point of 10 ° C at 1.23 kPa; water boiling point of 5 ° C at 0.87 kPa; water boiling point of 0.61 kPa 0 ° C. Therefore, when the gas pressure in the closed chamber is less than 1.23 kPa, the pressing is performed, and at the same time, the juice is automatically cooled.

In order to more flexibly set the relationship between the telescopic portion and the piston, the end portion of the telescopic portion connected to the driving portion and/or the end portion of the telescopic portion connected to the piston is a split detachable connection, and the two opposite sides The end is followed by a connecting member. As shown in FIG. 13, a lower end of the telescopic portion 5 is mounted with a connecting member 51 which is fitted in a recess 52 at the upper end of the connecting portion 56 of the top surface of the piston, and the lower end of the connecting member is formed on the connecting portion below the recess. The inside of the card slot 54 is fixed to the upper end of the connecting portion by a fastener 53. The fastener may be a conventional fixing structure such as a nut, a buckle or a pin. Figure 13 shows only one of the detachable connections, and there may be other ways of detachable connection.

The electric drive telescopic mechanism is a telescopic mechanism driven by an electric drive device, and has a drive portion and a telescopic portion. The telescopic portion is usually the head of the electric drive telescopic mechanism, and the rest is collectively referred to as the drive portion.

The telescopic portion can be extended or retracted by the driving portion for pushing/pulling other objects.

The electric drive device includes but is not limited to: (rotary or linear) electric motor, through-type screw linear stepping motor, electromagnetic driving device, electrostrictive driving device, magnetostrictive driving device, electric hydraulic pump (by electric motor And hydraulic pump and so on), electric air pump (motor and air pump, etc.) and so on.

The telescopic mechanism is generally divided into a hydraulic drive telescopic mechanism (such as a hydraulic jack), a pneumatic drive telescopic mechanism (such as a pneumatic cylinder), a parallelogram articulated telescopic mechanism, a rotary telescopic mechanism, and a linear telescopic mechanism (for example, a linear motor direct drive expansion and contraction) Or a through-type screw linear stepping motor), or the like, or a telescopic mechanism of different combinations of the above-mentioned telescopic mechanisms.

Among them, the rotary telescopic mechanism generally uses a screw and a nut to achieve expansion and contraction. Depending on the specific structure, the expansion and contraction (usually the head) is divided into linear expansion and contraction (set by internal mechanism, which makes the rotary motion become a "linear expansion and contraction"), and can be linearly stretched and rotated (its expansion and contraction) The department can perform both linear expansion and rotary motion.

Further, the rotary expansion mechanism may be such that the linear expansion mechanism itself is driven to rotate by a dedicated motor, or the expansion/contraction portion thereof is driven to rotate by a dedicated motor to achieve the purpose of both expansion and contraction and rotation. In addition, the drive unit itself of the electric drive telescopic mechanism may be driven to rotate by a dedicated motor, thereby causing the expansion and contraction portion to rotate.

The electric drive telescopic mechanism includes but is not limited to: an electric push rod, an electric cylinder, a linear traveling motor, a through-type screw linear stepping motor, an electric rack jack, an electro-hydraulic push rod, an electro-hydraulic jack, an electro-hydraulic lifting mechanism, Electro-pneumatic push rod, electric screw lifter, electric crankshaft link type telescopic mechanism, electric camshaft link type telescopic mechanism, electric crank slider telescopic mechanism, electric worm and worm linkage type telescopic mechanism, electric scissor jack, electric spiral Screw telescopic mechanism, electric ball screw lifting mechanism, electric turbine screw telescopic mechanism, electric scissor lifting mechanism, electric sleeve lifting mechanism, electric column lifting mechanism, electric crank arm lifting mechanism or electric chain lifting Any one of the institutions or a combination of any two or more.

An electric heating device is provided on the side of the juice receiving portion, the bottom of the juice receiving portion, the body inside the juice receiving portion, the body on the side of the juice receiving portion, the body below the juice receiving portion, or the body below the juice receiving portion. The electric heating device may be an electric heating tube, an electric heating film, far infrared heating, electromagnetic heating or other structure capable of heating the juice in the juice receiving portion.

Example 1

As shown in Fig. 1, the piston 10 is slidably mounted in the press cylinder 9, the outer edge of the piston is closely fitted with the inner edge of the press cylinder, and the piston divides the press cylinder into the operating chamber 2 and the press chamber 13 which are separated from each other, and the top of the piston The face is located in the operating room and the bottom of the piston is located in the press chamber.

The press cylinder and the juice receiving portion 22 are detachably sealed by a screw, a snap, etc., preferably, the press cylinder is located on the juice receiving portion, and the press chamber and the juice receiving portion form a closed cavity 55, the operating room and the atmosphere Environmental connectivity.

The electric drive telescopic mechanism is an electric push rod. The driving part is mainly composed of a driving motor of an electric push rod, a screw, a nut, a guide bush, a slide, and the like, and the expansion and contraction portion is a push rod in the electric push rod. The motor rotates to drive the screw to rotate, and the screw and the nut cooperate to convert the rotary motion of the motor into a linear reciprocating motion of the push rod.

The body 7 is a C-shaped frame structure composed of a nose portion 1, a vertical portion 11 and a base portion 24. A cantilever working space is formed between a cantilever portion of the nose portion and a portion of the base portion extending from the vertical portion. A press cylinder and a juice receiving portion are disposed in the press working space between the head and the base portion. The press cylinder can be detachably connected to the bottom surface of the machine head, and the structure can be as shown in FIG. 10, and the upper ends 45 of the two concave inner curved rail grooves are fixed on both sides of the bottom surface of the machine head, and the two concave inner curved type The inner side surface of the inner curved lower end 46 of the opposite position of the rail groove is hooked on the convex side 43 respectively formed on both sides of the pressing cylinder, and the convex side of the same side and the lower end of the inner curved end are inserted and matched with each other, and the convex edge is manually pushed in. After the inner end is bent, the press cylinder is connected to the machine head, and the press cylinder is pulled in the opposite direction to disengage from the machine head.

The driving portion 6 is disposed in the nose portion, and is connected to the driving sleeve 4 through the transmission portion 3 and drives the expansion and contraction portion 5, and the telescopic portion is located above the pressing cylinder and extends into the lower end of the pressing cylinder to mount a pressing plate 8, which The pressure plate is pressed against the top surface of the piston. A plurality of filter holes 15 are formed in the bottom plate 14 of the press cylinder and form a screen. An electric vacuum pump 17 is installed in the vertical portion, and the air suction port 19 of the electric vacuum pump directly (or may also pass through the air suction pipe) seals the air hole 21 on the side wall of the juice connecting portion, and the air outlet port communicates with the air atmosphere directly or through the air outlet pipe. An electric control valve 20 and an air pressure sensor 18 are provided on the air suction port, and the air pressure sensor is used to detect the air pressure in the airtight chamber, and the electric heating device 23 is installed in the base portion.

When the embodiment is pressed:

1. Remove the press cylinder and then make at least one filter hole on the bottom plate of the press cylinder. The bottom plate with the filter hole acts as a filter screen, so the whole bottom plate with the filter hole can also be called the filter. Place the object to be pressed on the net, place the piston into the press cylinder, and then install the juice receiving portion at the lower end of the press cylinder;

2. Putting the pressing cylinder and the juice receiving portion into the pressing working space as a whole, so that the upper end of the pressing cylinder is connected with the head of the machine, so that the air hole on the juice receiving portion is sealed and communicated with the suction port of the electric vacuum pump;

3. The electric vacuum pump is started to be evacuated. When the air pressure sensor detects that the air pressure of the closed cavity meets the condition, the electric drive telescopic mechanism is activated, and the telescopic portion pushes the piston to press (or, alternatively, the electric vacuum pump is activated) Starting the electric drive telescopic mechanism to push the piston to press), after the pressing is completed, the telescopic portion is retracted to the original position and the electric drive telescopic mechanism is closed, and the juice enters through the filter net and is stored in the juice receiving portion;

4. (output the electric signal through the automatic control device) to open the electronic control valve 20, so that the outside air enters the closed cavity to release the vacuum;

5. The electric heating device can be heated during pressing or after the pressing is completed. After all the processes are completed, the pressing cylinder is removed, the juice connecting portion is separated from the pressing cylinder, and then the juice is poured out and then pressed. Cleaning of the cylinder and juice. Of course, it is also possible that the pressing does not initiate heating of the electric heating device from start to finish.

The function of the pressure plate 8 is to push the piston press more uniformly to avoid tilting of the piston during the pressing process.

The filter hole 15 of the filter screen may be a circular hole (such as a diameter of 1 to 2 mm), an elliptical hole, a square hole, a rectangular hole, a triangular hole, a grid-shaped slit or other regular or irregular shape (when it is a straight line or a curve) In the case of a gap, the gap width is generally less than 5 mm, so that the gap is not too wide, so that the residue enters the juice receiving portion. Of course, the slit width or the aperture may be larger than 5 mm according to different pressing needs.

Example 2

As shown in FIG. 2, the difference between the embodiment and the embodiment 1 is as follows: 1. The upper end of the press cylinder is not connected to the bottom surface of the machine head, that is, the two maintain a certain gap, and the bottom of the juice receiving portion is placed on the base portion or Inserted into the base portion; 2. The air hole 21 on the bottom surface of the juice receiving portion has a gas pipe 29 protruding into the juice receiving portion, and the end 30 of the gas pipe extending into the juice receiving portion is located above the juice liquid level in the juice receiving portion, and the electric vacuum pump 17 is pumped. Air port 19 The air suction pipe 27 and the air pipe connecting member 28 are in sealing communication with the air pipe; 3. The filter mesh 25 is formed with a plurality of filter holes 15 which are installed or placed on the holes 26 of the press cylinder bottom plate 14; A manual valve 20 for introducing a gas is installed on a side wall of the juice receiving portion near the lower end of the press cylinder.

The electric drive telescopic mechanism is an electrohydraulic jack. The driving part is mainly composed of a hydraulic cylinder and an electric hydraulic pump, and the expansion and contraction portion is a piston rod in the hydraulic cylinder. The electric hydraulic pump is composed of an electric motor, a hydraulic pump, and the like. The motor rotates to drive the hydraulic pump to operate, thereby causing pressure in the hydraulic cylinder to push the piston rod to move.

The control of the electric drive telescopic mechanism and the electric vacuum pump is completed by the temperature detection control module. After the press is completed, manually open the manual valve to relieve the vacuum inside the closed chamber.

The temperature detection control module realizes automatic control of the vacuum press (the temperature sensor is disposed in the suction line of the electric vacuum pump to detect the temperature in the closed cavity), and in the embodiment, when pressing:

3. Start the electric vacuum pump to make it vacuum. When the temperature sensor detects that the temperature of the closed chamber meets the conditions (for example, the temperature before vacuuming is 25 ° C, the vacuum is reduced to 15 ° C by vacuuming to 1.71 kPa. The corresponding closed chamber temperature is also lowered to 15 ° C). At this time, the electric drive is driven to rotate the telescopic mechanism, and the telescopic portion pushes the piston to press (or, alternatively, the electric vacuum pump is activated and the electric drive telescopic mechanism is pushed to push the piston to press. When the temperature is lowered to 15 ° C, the pressing is stopped. After the pressing is completed, the telescopic portion is retracted to the original position and the electric drive telescopic mechanism is closed, and the juice enters through the filter and is stored in the juice receiving portion;

5. After the whole process is completed, the press cylinder is removed, the juice receiving portion is disengaged from the press cylinder, and then the juice is poured out, and then the press cylinder and the juice receiving portion are cleaned.

Example 3

As shown in FIG. 3, the difference between the embodiment and the embodiment 1 is as follows: 1. The upper end of the press cylinder is not connected to the bottom surface of the machine head, that is, the two maintain a certain gap, and the bottom of the juice receiving portion is placed on the base portion or Embedded in the base portion; 2. A funnel-shaped cover 31 is disposed at the upper port of the juice receiving portion, and the lowest point of the funnel-shaped cover has an opening, and a movable float 32 is disposed in the opening, the float and the funnel cover The plates together form a floating valve; after the juice squeezed from the press chamber flows into the funnel-shaped cover, the float floats and the juice flows through the opening into the juice portion below the funnel-shaped cover. After the pressing is completed and the juice flows, the float is lowered. The opening is blocked, and the funnel-shaped baffle is insulated from the upper side; 3. A connecting portion 33 is sealed at the upper end of the juice receiving portion, and the upper end of the connecting portion is connected to the lower end of the pressing cylinder. The suction port 19 of the electric vacuum pump directly (or also through the suction line) seals the air vent 21 on the side wall of the communication connecting portion.

The electric drive telescopic mechanism is an electric screw lifter. The drive unit is mainly composed of a motor and a screw lifter, and the expansion and contraction unit is a screw in the electric screw lifter. The motor rotates to drive the screw to rotate, and at the same time, the screw moves in a linear direction.

The control of the electric drive telescopic mechanism and the electric vacuum pump is completed by the load current detection control module, and the other pressing processes are the same as in the first embodiment.

The load current detection control module also has an abnormal overload press automatic protection function: that is, if an abnormally hard object (such as an iron ball) is placed in the press chamber, when the screw in the electric screw lifter pushes the piston to press Pressing the abnormally hard object will inevitably cause the motor to stall. At this time, the detection part of the load current detection control module detects the current overload, and immediately stops the motor operation through the control module. Avoid burning the motor due to blockage.

Example 4

As shown in FIG. 4, the difference between the embodiment and the first embodiment is as follows: 1. The body 7 is formed of an L-shaped structure by the base portion 24 and the vertical portion 11, the driving portion is installed in the base portion, and the telescopic portion is located at the base portion. The bottom of the self-connecting juice portion is sealed through the bottom plate of the juice receiving portion, and then the filter mesh is inserted into the press cylinder and connected with the piston; 2. The lower end of the press chamber of the press cylinder is provided with a filter screen 25, and the upper end of the operating chamber of the press cylinder is fastened with the end cap 35, a gap 34 between the end cap and the upper end of the press cylinder; 3. The bottom of the juice portion is placed on the base portion or embedded in the base portion.

The electric drive telescopic mechanism is an electropneumatic push rod. The main components of the drive unit are motors, air pumps, cylinders, etc. The main components of the telescopic section are the push rods in the electro-pneumatic push rods.

The control of the electric drive expansion mechanism and the electric vacuum pump is completed by the load current detection control module, and the piston is pulled downward by the expansion and contraction to complete the pressing, and the other pressing processes are the same as in the first embodiment.

Example 5

As shown in FIG. 5, the difference between the present embodiment and the first embodiment is as follows: 1. The body 7 is formed of an L-shaped structure by the base portion 24 and the vertical portion 11, the driving portion is installed in the base portion, and the telescopic portion is laterally disposed close to the operation. In the vertical portion of the chamber, the end of the telescopic portion protrudes into the press cylinder from the end integral end cover of the press cylinder near the operating chamber, and is fixedly connected to the piston; 2. The electric vacuum pump is disposed in the vertical portion, and the air suction port passes through Exhaust pipe The road seal is connected to the juice receiving portion; 3. The filter screen 25 is installed in the juice receiving portion; 4. The bottom portion of the juice receiving portion is provided with a juice outlet tube 38, and the end of the juice outlet tube is sealingly connected with the upper end opening 39 of the juice tank 40.

The electric drive telescopic mechanism is a through-type screw linear stepping motor. The main component of the drive unit is a motor or the like, and the main components of the expansion and contraction unit are members such as a through-type screw in a through-type screw linear stepping motor.

The control of the electric drive telescopic mechanism and the electric vacuum pump is completed by the air pressure control module (the detection portion is a pneumatic switch), and the other pressing processes are the same as in the first embodiment.

Example 6

As shown in FIG. 6, the difference between the present embodiment and the first embodiment is as follows: 1. The body 7 is constituted by the base portion 24 and the vertical portion 11 as an L-shaped structure, and the driving portion is disposed in the vertical portion, and the elastic portion of the upper end is provided. Connecting the lower end of the vertical arm 41 on the side of the inverted U-shaped arm upward, the lower end of the vertical arm on the other side of the inverted U-shaped arm extends into the press cylinder and pushes the piston; 2. The bottom of the juice portion is placed on the base portion Upper or embedded in the base.

The electric drive telescopic mechanism is an electric rack jack. The main components of the drive unit are motors, gears, etc., and the main components of the expansion and contraction are components such as racks in the electric rack jack.

The control of the electric drive telescopic mechanism and the electric vacuum pump is completed by the air pressure control module (the detection portion is the air pressure sensor), and the other pressing processes are the same as in the first embodiment.

Example 7

As shown in Fig. 7, the difference between the embodiment and the first embodiment is as follows: 1. The press cylinders are all located in the juice receiving portion, and a flange 43 of the upper end of the press cylinder is connected to the upper end of the juice receiving portion at the outer side thereof and is closed. Upper end. The flange is visible from Figure 7, and its vertical section is in the shape of a horn.

In this structure, the uppermost end of the outer edge of the press cylinder is attached to the upper end opening of the juice receiving portion by an integral flange, and the space of the juice, the flange and the juice receiving portion below the flange together constitute a closed cavity.

The electric drive telescopic mechanism is an electric worm gear linkage type telescopic mechanism. The main components of the drive unit are a motor, a worm, a worm wheel, etc., and the main components of the expansion and contraction are components such as push rods in the electric worm gear link type telescopic mechanism.

Example 8

As shown in Fig. 8, Fig. 8 is only a partial cross-sectional view of the press cylinder, the juice receiving portion and the piston. The difference between this embodiment and the embodiment 1 is as follows: 1. A part of the pressing cylinder is located in the juice receiving portion, and the upper end of the juice receiving portion is connected with the outer edge of the pressing cylinder (fixed or detachable) and closes the upper end of the juice receiving portion, and the pressing chamber is connected. The juice portion constitutes a closed cavity.

The electric drive telescopic mechanism is an electric screw screw telescopic mechanism. The main components of the drive unit are a motor, a gear, etc., and the main components of the expansion and contraction are components such as a screw screw in the electric screw screw expansion mechanism.

Example 9

As shown in FIG. 9, the difference between the embodiment and the first embodiment is as follows: 1. The press cylinders are all located in the juice receiving portion, and a flange 43 of the upper end of the press cylinder is connected to the upper end of the juice receiving portion 44 at the outer side thereof and Closing the upper end of the juice receiving portion, the pressing chamber and the juice receiving portion constitute a closed cavity; 2. The body 7 is composed only of the machine head 1, the driving portion and the electric vacuum pump are all disposed in the machine head; 3. The suction port of the electric vacuum pump is directly Or the air hole 21 formed on the flange 43 is sealed by an air suction line; 4. The side wall of the juice (near the upper end position) is provided with a manual valve (not shown in FIG. 9).

The electric drive telescopic mechanism is an electric column type lifting mechanism. The main components of the drive unit are motors, gears, etc., and the main components of the expansion and contraction unit are members such as columns in the electric column type lifting mechanism.

The control of the electric drive telescopic mechanism and the electric vacuum pump is completed by the oxygen detection control module (the detection part is an oxygen sensor). The oxygen sensor transmits the change in oxygen concentration in the closed chamber as an electrical signal to the control portion of the oxygen detection control module, which controls the operation of the electric vacuum pump and/or the electrically driven telescopic mechanism.

When the embodiment is pressed:

1. Remove the machine head 1 and then make at least one filter hole on the bottom plate of the press cylinder. The bottom plate with the filter hole functions as a filter net, so the bottom plate with the filter hole can also be called as a whole. Place the object to be pressed on the filter screen and place the piston into the press cylinder;

2. Install the machine head on the upper end of the juice receiving part, so that the upper end of the juice receiving part is connected with the machine head (but the upper end of the juice receiving part is only used for detachable connection with the bottom surface of the machine head, and the upper end of the press cylinder is sealed and crimped. The upper end of the juice portion, the operating chamber 2 of the press cylinder is in communication with the atmospheric environment, so that the air suction port of the electric vacuum pump is sealed or connected to the air hole 21 formed on the flange 43 directly or through an air suction line;

3. Start the electric vacuum pump to make it vacuum. When the oxygen sensor detects that the oxygen concentration of the closed chamber meets the conditions (for example, the oxygen concentration before vacuuming is 21%, the oxygen concentration drops to 2.1% by vacuuming, correspondingly The air pressure in the closed chamber is reduced to about 10.1 kPa), the electric drive telescopic mechanism is activated, and the telescopic portion pushes the piston to press (or, when the electric vacuum pump is activated, the electric drive telescopic mechanism is pushed to push the piston to press), to be pressed After completion, retract the telescopic portion and close the electric drive telescopic mechanism. The juice enters through the filter and is stored in the juice receiving portion;

4. Open the manual valve to allow outside air to enter the closed cavity and release the vacuum;

5. After the whole process is completed, remove the head of the machine, disengage the juice from the press cylinder, then pour out the juice, and then clean the press tank and the juice.

Example 10

As shown in FIG. 14, the difference between the embodiment and the embodiment 1 is as follows: 1. The press cylinder at the operation room is also a body; 2. The drive portion and the expansion and contraction portion are both located in the operation room, and the drive portion can be configured by a bracket, a beam, or the like. Fixed or detachably mounted on the inner wall of the press cylinder at the operating room, the lower end of the telescopic portion is fixedly connected, detachably connected or pressed against the top surface of the piston; 3. The electric vacuum pump can be fixed or detachable by a structure such as a bracket or a beam. Installed on the inner wall of the press cylinder at the operation room, the air suction port communicates with the air hole on the side wall of the juice receiving portion through the air suction pipe; 4. The end portion of the press cylinder at the operation chamber is fastened with the end cover 35, a gap 34, the operating chamber is in communication with the atmospheric environment; 5. The bottom of the pressing cylinder is located in the juice receiving portion and is sealingly connected with the upper end of the juice receiving portion, and the pressing chamber and the juice receiving portion constitute a closed cavity; 6. There is no electric heating device.

The electric drive telescopic mechanism is an electric cylinder. The main components of the drive unit are motors, gears, etc., and the main components of the expansion and contraction are components such as push rods in the electric cylinder.

Example 11

As shown in FIG. 15, the body is composed of a base portion, a vertical portion and a nose portion, and a C-shaped frame structure is arranged, wherein the vertical portion is provided with a machine head and the machine head is a cantilever structure with respect to the vertical portion. A press working space is formed between the cantilever portion of the machine head and a portion of the base portion extending from the vertical portion, and the press working space is provided with a press cylinder and a juice receiving portion.

The difference between this embodiment and Embodiment 1 is:

1. The upper end of the press cylinder is not connected to the bottom surface of the machine head (the disconnection here means that a certain gap can be maintained between the upper end of the press cylinder and the bottom surface of the machine head, or the two are in contact with each other without any connection), The bottom of the juice portion is placed on the base portion or embedded in the base portion.

2. The air hole 21 on the bottom surface of the juice receiving portion has a gas pipe 29 protruding into the juice receiving portion, and the end 30 of the gas pipe extending into the juice receiving portion is located above the juice liquid level in the juice receiving portion, and the suction port 19 of the electric vacuum pump 17 is pumped through The gas line 27 and the gas path connecting member 28 are in sealing communication with the gas pipe.

3. A plurality of filter holes 15 are formed in the screen 25, and the screens are mounted or placed on the holes 26 formed in the bottom plate 14 of the press cylinder.

4. A manual valve 20 for introducing a gas is installed on a side wall of the juice receiving portion near the lower end of the press cylinder.

5. A telescopic portion is disposed in the head of the machine above the press cylinder or on the nose of the machine, and the spatial positional relationship between the telescopic portion and the head portion is relatively fixed or can be relatively changed.

When the spatial positional relationship between the telescopic portion and the nose portion is relatively fixed: the telescopic portion is fixedly or detachably coupled to the machine head, and the machine head can be moved up and down along the vertical portion under the driving of the driving portion. The driving part is disposed in the machine head, on the machine head, in the base part, on the base part, in the vertical part or in the vertical part, and the electric vacuum pump is arranged in the machine head, on the machine head, in the base part, and in the base part. In the upper, vertical or vertical part;

When the spatial positional relationship between the telescopic portion and the nose portion can be relatively changed, the telescopic portion and/or the machine head can be moved up and down along the vertical portion under the driving of the driving portion, and the whole up and down movement and/or expansion and contraction of the two. The telescopic action of the part realizes the movement of the piston in the press cylinder; the driving part is arranged in the machine head, on the machine head, in the base part, on the base part, in the vertical part or on the vertical part, and the electric vacuum pump is arranged in In the head of the machine, on the head of the machine, in the base part, on the base part, in the vertical part or on the vertical part.

In this embodiment, the driving portion of the electric drive telescopic mechanism mainly includes a rack-shaped rail 57 disposed on the inner side of the vertical portion (ie, a side close to the press working space), and a motor and a reduction gear provided in the head of the machine. The reduction gear and the rack-like rail 57 mesh with each other. The end of the machine head near one side of the vertical portion has a (vertical projection) C-shaped groove, and the C-shaped groove shape and the rack-shaped rail cross-section are matched with each other, and the two openings of the C-shaped groove can be It is stuck on the root of the rack-shaped guide rail and the head is restrained on the rack-shaped guide rail (Fig. 15 is only schematic). The purpose of the above-mentioned C-shaped groove is to limit the setting between the head portion and the vertical portion while ensuring that the machine head moves up and down along the rack-shaped guide rail. Of course, in addition, vertical guide posts can be added on both sides of the rack-shaped rails of the vertical portion, and then the two guide sleeves on both sides of the machine head are set on the guide pillars on the same side, thereby realizing The head restraint set and the purpose of moving up and down along the vertical.

In this embodiment, the head portion is equivalent to an intermediate member that is driven up and down by the driving portion (motor or the like), and simultaneously drives the telescopic portion to move up and down, that is, the telescopic portion is still driven by the driving portion. Telescopic action.

The telescopic portion is a vertically shaped push rod that is fixedly or detachably mounted under the nose of the machine (the spatial positional relationship between it and the head is relatively fixed). The lower end of the telescopic portion is fixedly or detachably connected to the piston.

The rotation of the motor of the driving portion drives the reduction gear to rotate, and the reduction gear further moves up and down along the rack-like rail by meshing with the rack-shaped rail and rolling. The telescopic portion moves as the head of the machine moves up and down. When the machine head moves downward, the push rod is driven to move downward, thereby pushing the piston to press the workpiece to be pressed in the press chamber.

The control of the electric drive telescopic mechanism and the electric vacuum pump is completed by the time control module. After the press is completed, manually open the manual valve to relieve the vacuum inside the closed chamber. The other pressing process is the same as in the first embodiment.

The biggest difference between this embodiment and the embodiment 1 is that the machine head is movably mounted on the vertical portion, and the machine head can be moved up and down along the vertical portion by the driving portion.

In addition to the above-described manner of the rack-like guide rail and the gear, the other matching effects can be adopted. For example, the vertical portion has a vertical screw, and a nut on the machine head is disposed on the screw body. When the motor drives the screw to rotate or rotates the nut, the head of the machine can be moved up and down along the screw to achieve the purpose of pushing the piston for pressing.

In the above embodiment, in the body composed of the base portion, the vertical portion and the nose portion (Figs. 1, 2, 3, 7, 15), the cross section of the vertical portion is C type as shown in Fig. 16 (also It may be U-shaped. In such a structure, the vertical portion is disposed between the nose portion and the base portion, and the space surrounded by the machine head, the vertical portion and the base portion constitutes a press working space, and the pressing work space is provided with a press. Cylinder and juice. The advantage of the cross section being a C-shaped or U-shaped cross section is to increase the overall strength of the body.

Of course, in the body composed of the base portion and the vertical portion (Figs. 4, 5, 6), the cross section of the vertical portion may also be C type (also U type) as shown in Fig. 16, such a structure The vertical portion is disposed on the base portion, and the space surrounded by the vertical portion and the base portion constitutes a press working space, and the press working space is provided with a press cylinder and a juice receiving portion.

In the above embodiments, the conventional airtight interface, such as a quick release air connection, may be used when the air suction line is connected to the press cylinder or the juice receiving portion, and the valve for introducing air may be used to ensure the operation after the press is completed. Electronically controlled valves purchased in the market, or the use of I-shaped rubber plugs, manual valves and other components.

The press cylinder is a barrel-shaped container having a closed curve shape in a cross section including a circle, an ellipse, a triangle, a square, a polygon or any other shape. The cross-sections in the press cylinder are identical in shape and equal in area, that is, the inner wall of the press cylinder is "straight up and down" and the like; or, the cross section in the press cylinder has at least one section of the same shape and an equal area.

The piston is provided with or without a sealing ring; the sealing ring is disposed on the side wall surface, the top end, the bottom end of the piston or is covered on the outside of the piston, so that the sealing between the piston and the inner wall of the pressing cylinder is tight; the piston and the sealing ring are rigid Or elastic. The piston is a flat plate shape, a disc shape, a cylindrical shape, a bottomed cylindrical shape, a cylindrical shape, a spherical shape, a truncated cone shape, a conical shape, or any other shape that is hollow inside but not completely penetrated; the cross section of the piston is a closed curve shape. These include: round, elliptical, triangular, square, polygonal or any other shape (but the cross-section of the piston and the cross-section of the press cylinder must match each other to achieve a sliding seal after installation).

Regardless of the shape, the press cylinder, the piston and the juice portion should cooperate with each other.

In addition, in order to ensure the safe operation of this electric drive vacuum press. At least one of the intersection of the press cylinder and the juice receiving portion, the intersection of the press cylinder and the cylinder head, the intersection of the juice receiving portion and the head portion, the intersection of the pressing cylinder and the machine head, and the intersection of the juice receiving portion and the base portion A safety switch device is arranged at a junction, and the safety switch device is electrically connected to the automatic control device. After the junction of the safety switch device is properly installed, the safety switch at the junction is turned on. When all the safety switches are turned on, the electric drive vacuum press can work normally after pressing the open button. Otherwise it will not work.

The safety switch device refers to a protection device for protecting the safe operation of the electric drive vacuum press. The safety switching device includes, but is not limited to, a contact switch, a micro switch, a magnetic switch, an inductive switch, and the like.

For example, on the base portion of the body, there is a magnetron sensing contact (which is electrically connected to the automatic control device), and a magnet is disposed at a corresponding position on the bottom of the juice receiving portion. After the juice receiving portion is placed at a predetermined position of the base portion, the The magnet attracts the magnetic sensing contact on the base portion to make it conductive. Otherwise, if the juice portion is not properly placed in the predetermined position, the magnet cannot pick up the magnetic induction contact on the base portion.

For another example, a micro switch (which is electrically connected to the automatic control device) is disposed under the head of the machine, and has a protrusion at a corresponding position on the upper end of the press cylinder. When the press cylinder is placed at a predetermined position under the head of the machine, the convex The micro switch is activated to make it conductive. Otherwise the microswitch cannot be turned on and the entire electrically driven vacuum press will not work.

The pressure receiving portion is arranged on the juice receiving portion, the pressing cylinder or the body, and the air pressure display device is a mechanical air pressure meter or an electronic air pressure meter; the air pressure sensor of the air pressure display device is disposed in the sealed cavity, and the display is arranged On the side wall of the juice, on the side wall of the press cylinder or on the body:

The electronic barometer includes a pressure sensor, a detection circuit (independent detection circuit or an automatic control device), an optical display or an audio prompter, and electrical connections are made between the parts, the air pressure sensor is disposed in the sealed cavity, and the optical display is disposed in the On the side wall of the juice receiving portion, on the side wall of the pressing cylinder or on the body, the sound prompting device is disposed in the body.

In the present invention, the press cylinder and the juice receiving portion may be arranged up and down, or may be a laterally disposed structure, or may be a slanted arrangement, and the press cylinders may all be located outside the juice receiving portion and partially in the juice receiving portion. Or all of them are located in the juice receiving portion, the expansion and contraction portion has different mounting positions matched with the above structure, the side wall of the press cylinder at the press chamber is provided with a filter screen, or the bottom of the press chamber is provided with a filter screen, or the press chamber and the juice receiving portion are provided. A filter is arranged between the screens, or a filter screen is arranged in the juice receiving portion, or a filter screen is arranged in the press chamber, and the body can also be correspondingly collected. With different structures, the electric drive telescopic mechanism, electric vacuum pump and automatic control device cooperate with each other to realize automatic control of vacuuming and pressing, while fruits, vegetables and other food materials enter the juice receiving part during the pressing process and juice (including oil). Or when the juice tank is kept in a vacuum environment, the problems of discoloration and deterioration caused by oxidation of the juice in the existing air pressing technology are avoided. Compared with the vacuum spiral juicer, it has easy cleaning. After each use, it only needs to clean the juice part, the press cylinder and the piston. The vacuum spiral juicer needs to clean at least the sealing cover after each use. , feeding barrel, screw shaft, cylindrical filter, juice extraction chamber, juice cup, residue cup, 7 parts), easy to operate (minimum installation of only 3 parts, vacuum spiral juicer need to install at least 7 component).

Claims

An electric drive vacuum press comprising: a press cylinder, a juice receiving portion, a piston, an electric drive telescopic mechanism, an electric vacuum pump and a body; a sliding piston is mounted in the press cylinder, the outer edge of the piston and the press cylinder The inner edge is closely fitted, and the piston divides the press cylinder into an operation chamber and a press chamber which are separated from each other, the top surface of the piston is located in the operation chamber, and the bottom surface of the piston is located in the press chamber;

Between the pressing cylinder and the juice receiving portion, a detachable sealing connection structure, the pressing cylinder is located outside the juice receiving portion, the pressing cylinder portion is located in the juice receiving portion or the pressing cylinder is entirely located in the juice receiving portion, the pressing chamber and the pressing chamber The juice receiving portion forms a closed cavity, the operating room is in communication with the atmospheric environment or the operating room is a closed space;

a filter screen is arranged on the side wall of the press cylinder at the press chamber, or a filter screen is arranged at the bottom of the press chamber, or a filter screen is arranged between the press chamber and the juice receiving portion, or a filter screen is arranged in the juice receiving portion, or the press chamber is provided. Set the filter;

The electric drive telescopic mechanism includes a driving portion and a telescopic portion that can be extended or retracted under the driving of the driving portion, and the driving portion is disposed in the body, disposed on the body, partially disposed in the operating room, or all Provided in the operating room, the telescopic portion is fixedly connected to the piston, detachably connected or only pressed against the piston, and the telescopic portion pushes or pulls the piston to move in the press cylinder when the telescopic portion expands and contracts, so that the volume of the press chamber changes. When the telescopic portion pushes or pulls the piston to move and the volume of the press chamber becomes small, the piston presses the object to be pressed in the press chamber, and the pressed juice enters the juice receiving portion through the filter screen;

The electric vacuum pump is located in the body, on the body, in the closed cavity or in the operating room, and has an air suction port and an air outlet. The air suction port of the electric vacuum pump is directly connected to the airtight cavity through the air suction pipe, and the air outlet is directly or Connected to the atmosphere through the outlet line or connected to the operating room;

The electric vacuum pump is used for extracting the air in the closed cavity before, during, or after the piston is pressed, or after the piston is pressed, in the last two processes or the last process. The body remains in a vacuum state.
An electric drive vacuum press comprising: a press cylinder, a juice receiving portion, a piston, an electric drive telescopic mechanism, an electric vacuum pump and a body; a sliding piston is mounted in the press cylinder, the outer edge of the piston and the press cylinder The inner edge is closely fitted, and the piston divides the press cylinder into an operation chamber and a press chamber which are separated from each other, the top surface of the piston is located in the operation chamber, and the bottom surface of the piston is located in the press chamber;

The press cylinders are all located outside the juice receiving portion, the press cylinder portion is located in the juice receiving portion or the press cylinders are all located in the juice receiving portion; when the press cylinders are all located outside the juice receiving portion, the press cylinder and the juice receiving portion are integrated and detachable The connecting structure or only the bottom of the press cylinder is sealed at the opening of the juice receiving portion, and the press chamber and the juice receiving portion communicate with each other to form a closed cavity, the operating chamber is in communication with the atmosphere or the operating room a confined space; when the press cylinder portion is located in the juice receiving portion, the press cylinder and the juice receiving portion are integrally formed, the detachable connection structure or only the outer edge of the press cylinder is sealed and pressed at the opening of the juice receiving portion, the press chamber Interconnecting with the juice receiving portion and jointly forming a closed cavity, the operating room is in communication with the atmospheric environment or the operating room is a closed space; when the pressing cylinder is entirely located in the juice receiving portion, between the pressing cylinder and the juice receiving portion Forming a unitary structure, a detachable connection structure or a press cylinder seal in the juice receiving portion, the press chamber and the juice receiving portion communicate with each other and together form a closed cavity, the operating room and Or the operating gas atmosphere communication chamber is a closed space;

a side wall of the press cylinder at the press chamber is provided with a filter screen, or a side wall of the press cylinder at the press chamber and a bottom of the press cylinder are provided with a filter screen, or a filter screen is arranged at the bottom of the press cylinder, or a press chamber and a juice receiving portion are provided. Providing a filter screen, or a filter screen in the juice receiving portion, or a filter screen in the press chamber;

The electric drive telescopic mechanism includes a driving portion and a telescopic portion that can be extended or retracted under the driving of the driving portion, and the driving portion is disposed in the body, disposed on the body, partially disposed in the operating room, or all Provided in the operating room, the telescopic portion is fixedly connected to the piston, detachably connected or only pressed against the piston, and the telescopic portion pushes or pulls the piston to move in the press cylinder when the telescopic portion expands and contracts, so that the volume of the press chamber changes. When the telescopic portion pushes or pulls the piston to move and the volume of the press chamber becomes small, the piston presses the object to be pressed in the press chamber, and the pressed juice enters the juice receiving portion through the filter screen;

The electric vacuum pump is located in the body, on the body, in the closed cavity or in the operating room, and has an air suction port and an air outlet. The air suction port of the electric vacuum pump is directly connected to the airtight cavity through the air suction pipe, and the air outlet is directly or Connected to the atmosphere through the outlet line or connected to the operating room;

The electric vacuum pump is used for all processes, two processes, three processes before the piston is pressed, when the piston is pressed, or after the piston is pressed.

The last process,

The first process and the last process,

The first two processes,

In the first process or the second process, the air in the closed chamber is withdrawn to keep the closed chamber in a vacuum state.
An electric drive vacuum press comprising: a press cylinder, a juice receiving portion, a piston, an electric drive telescopic mechanism, an electric vacuum pump and a body; a sliding piston is mounted in the press cylinder, the outer edge of the piston and the press cylinder The inner edge is closely fitted, and the piston divides the press cylinder into an operation chamber and a press chamber which are separated from each other, the top surface of the piston is located in the operation chamber, and the bottom surface of the piston is located in the press chamber;

The press cylinders are all located outside the juice receiving portion, the press cylinder portion is located in the juice receiving portion or the press cylinders are all located in the juice receiving portion; when the press cylinders are all located outside the juice receiving portion, the press cylinder and the juice receiving portion are integrated and detachable The connecting structure or only the bottom of the press cylinder is sealed at the opening of the juice receiving portion, and the press chamber and the juice receiving portion communicate with each other to form a closed cavity, the operating chamber is in communication with the atmosphere or the operating room a confined space; when the press cylinder portion is located in the juice receiving portion, the press cylinder and the juice receiving portion are integrally formed, the detachable connection structure or only the outer edge of the press cylinder is sealed and pressed at the opening of the juice receiving portion, the press chamber Interconnecting with the juice receiving portion and jointly forming a closed cavity, the operating room is in communication with the atmospheric environment or the operating room is a closed space; when the pressing cylinder is entirely located in the juice receiving portion, between the pressing cylinder and the juice receiving portion an integrated structure, or the structure of the press cylinder is detachably connected to a sealing crimp in the access unit the juice, the juice and the press portion of the chamber communicate with each other and connected together to form a closed cavity, and said operating chamber Or the operating gas atmosphere communication chamber is a closed space;

a side wall of the press cylinder at the press chamber is provided with a filter screen, or a side wall of the press cylinder at the press chamber and a bottom of the press cylinder are provided with a filter screen, or a filter screen is arranged at the bottom of the press cylinder, or a press chamber and a juice receiving portion are provided. Providing a filter screen, or a filter screen in the juice receiving portion, or a filter screen in the press chamber;

The electric drive telescopic mechanism includes a driving portion and a telescopic portion that can be extended or retracted under the driving of the driving portion, and the driving portion is disposed in the body, disposed on the body, partially disposed in the operating room, or all Provided in the operating room, the telescopic portion is fixedly connected to the piston, detachably connected or only pressed against the piston, and the telescopic portion pushes or pulls the piston to move in the press cylinder when the telescopic portion expands and contracts, so that the volume of the press chamber changes. When the telescopic portion pushes or pulls the piston to move and the volume of the press chamber becomes small, the piston presses the object to be pressed in the press chamber, and the pressed juice enters the juice receiving portion through the filter screen;

The electric vacuum pump is located in the body, on the body, in the closed cavity or in the operating room, and has an air suction port and an air outlet. The air suction port of the electric vacuum pump is directly connected to the airtight cavity through the air suction pipe, and the air outlet is directly or Connect to the atmosphere through the outlet line or communicate with the operating room.
An electric drive vacuum press according to claim 1 or 2 or 3, characterized in that it is selected from any one of the structures (1), (2), (3), (4), (5), (6) or (7):

(1) The press cylinder and the juice receiving portion are vertically disposed, the press cylinder is vertically disposed on the juice receiving portion, the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion, and the expansion and contraction portion is located above the pressing cylinder. The telescopic portion protrudes into the press cylinder and the end portion thereof is fixedly connected with the piston, detachably connected or only pressed against the piston, and when the telescopic portion is extended, the piston is pushed and moved downward, and the pressing object in the pressing chamber is pressed Pressing, the pressed juice enters the juice receiving portion through the filter screen;

or

(2) The press cylinder and the juice receiving portion are vertically disposed, the press cylinder is vertically disposed on the juice receiving portion, the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion, and the expansion and contraction portion is located below the juice receiving portion. The telescopic portion is slidingly slid from the bottom through the bottom of the juice receiving portion, and then penetrates the filter into the pressing chamber, and the end portion thereof is fixedly or detachably connected to the piston, and the expansion portion is pulled to pull the piston downward when it is contracted. Movement, pressing the pressed product in the press chamber, and the pressed juice enters the juice receiving portion through the filter screen;

or

(3) The press cylinder and the juice receiving portion are disposed in a lateral direction as a whole, the press cylinder is disposed on one side of the juice receiving portion, the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion, and the expansion and contraction portion is located at the press cylinder end near the operation chamber. a side of the portion, the telescopic portion extends into the press cylinder and the end portion thereof is fixedly connected to the piston, detachably connected or only pressed against the piston, and when the telescopic portion is extended, the piston is pushed and moved toward the juice receiving portion. Pressing the pressed product in the press chamber, and the pressed juice enters the juice receiving portion through the filter screen;

or

(4) The press cylinder and the juice receiving portion are disposed in a lateral direction as a whole, the press cylinder is disposed on one side of the juice receiving portion, the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion, and the expansion and contraction portion is located on the side close to the bottom of the juice receiving portion. The telescopic portion is sealed and slid through the bottom of the juice receiving portion, and then penetrates the filter mesh into the press chamber, and the end portion thereof is fixedly connected or detachably connected to the piston, and when the telescopic portion is contracted, the piston is pulled to move toward the juice receiving portion. Pressing the pressed product in the press chamber, and the pressed juice enters the juice receiving portion through the filter screen;

or

(5) The press cylinder and the juice receiving portion are vertically disposed, the press cylinder is vertically disposed on the juice receiving portion, the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion, and the expansion and contraction portion is located outside the press cylinder, The upper end of the telescopic portion is connected to the lower end of the vertical arm on the side of the inverted U-shaped arm, and the lower end of the vertical arm on the other side of the inverted U-shaped arm extends into the press cylinder and is fixedly connected to the piston and detachably connected Or only pressing against the piston, when the expansion and contraction portion is contracted, pushing the piston through the inverted U-shaped arm and moving it downward, pressing the pressed object in the press chamber, and the pressed juice enters the juice receiving portion through the filter screen;

or

(6) The pressing cylinder is inclined, the pressing cylinder is inclined on the juice receiving portion, the pressing cylinder portion is located in the juice receiving portion or the pressing cylinder is all located in the juice In the portion, the angle between the movement trajectory of the piston in the press cylinder and the horizontal plane is greater than 0° and less than 90°, and the telescopic portion is located laterally of the end of the press cylinder adjacent to the operation chamber, and the telescopic portion protrudes into the press cylinder. And the end portion is fixedly connected with the piston, detachably connected or only pressed against the piston, and when the expansion and contraction portion is extended, the piston is pushed to move in the direction of the juice receiving portion, and the pressed product in the pressing chamber is pressed, and the pressed juice is pressed. Entering into the juice receiving portion through the filter screen;

or

(7) The press cylinder and the juice receiving portion are vertically disposed, the press cylinder is vertically disposed on the juice receiving portion, the press cylinder portion is located in the juice receiving portion, or the press cylinder is entirely located in the juice receiving portion, and the expansion and contraction portion is located in the operating chamber of the press cylinder The end of the telescopic portion is fixedly connected to the piston, detachably connected or only pressed against the piston. When the telescopic portion is extended, the piston is pushed and moved downward, and the pressed object in the press chamber is pressed and pressed. The juice enters the juice portion through the screen.
An electric drive vacuum press according to claim 4, wherein:

(1) When the telescopic section is above the press cylinder:

The body comprises a C-shaped frame structure by a base portion, a vertical portion and a nose portion, wherein the nose portion is a cantilever structure with respect to the vertical portion, and the cantilever portion of the machine head and the protruding vertical portion of the base portion Forming a press working space between the portions, wherein the press working space is provided with a press cylinder and a juice receiving portion;

The press cylinder is fixedly connected, detachably connected or not connected to the overhanging portion of the machine head, or the juice receiving portion is fixedly or detachably connected to the machine head directly or through a connecting member;

An expansion and contraction portion is disposed in the machine head above the press cylinder or on the machine head, and the expansion and contraction portion is fully driven by the driving portion, and the driving portion is disposed in the machine head, on the machine head, and on the base. In the inner portion, the base portion, the vertical portion or the vertical portion, the electric vacuum pump is disposed in the machine head, on the machine head, in the base portion, on the base portion, in the vertical portion or on the vertical portion;

or

(2) When the expansion and contraction is located below the juice selection:

The body body is constituted by an L-shaped structure by a base portion and a vertical portion, or the body is composed only of a base portion, and the base portion is provided with a juice receiving portion and a press cylinder from bottom to top, or in a base portion below the juice receiving portion or An expansion and contraction portion is provided on the base portion, and the expansion and contraction portion is expanded and contracted by the drive portion.

The driving part and the electric vacuum pump are both disposed in the body or on the body;

or

(3) When the expansion joint is located on the side of the press cylinder or on the side of the juice picking section:

The body body comprises an L-shaped structure by a base portion and a vertical portion, a juice receiving portion and a press cylinder are laterally disposed on the base portion, and a lateral expansion and contraction portion is disposed in the vertical portion or the vertical portion, the expansion and contraction portion is The telescopic action is completed under the driving of the driving portion, the driving portion is disposed in the base portion, the base portion, the vertical portion or the vertical portion, and the electric vacuum pump is disposed in the base portion, the base portion, the vertical portion or the vertical portion Ministry

or

(4) When the expansion and contraction is located outside the press cylinder:

The body body is composed of a base portion and a vertical portion, and the base portion is provided with a juice receiving portion and a press cylinder from bottom to top, and an upwardly facing expansion and contraction portion is provided in the vertical portion or the vertical portion. The telescopic action is completed under the driving of the driving portion, the driving portion is disposed in the vertical portion, the vertical portion, the base portion or the base portion, and the electric vacuum pump is disposed in the base portion, the base portion, and the vertical portion. Or on the vertical;

or

(5) When the telescopic section is above the press cylinder:

The body is composed of a base portion, two symmetrical vertical portions and a machine head to form a mouth-shaped frame structure. The machine head is disposed across two symmetrical vertical portions, and the base portion is disposed across two symmetry portions. The lower part of the vertical portion, the space between the middle of the mouth-shaped frame structure is a press working space, and the press working space is provided with a press cylinder and a juice receiving portion;

The pressing cylinder is fixedly connected with the hanging portion of the machine head, detachably connected or not connected, or the liquid receiving portion and the hanging portion of the machine head are fixed or detachably connected directly or through a connecting member;

An expansion and contraction portion is disposed in the machine head above the press cylinder or on the machine head, and the expansion and contraction portion is fully driven by the driving portion, and the driving portion is disposed in the machine head, on the machine head, and vertically. The electric vacuum pump is disposed in the inner portion, the vertical portion, the base portion or the base portion, and is disposed in the machine head, on the machine head, in the vertical portion, on the vertical portion, in the base portion or on the base portion;

or

(6) When the telescopic section is above the press cylinder:

The machine body is composed only of a machine head, and the press cylinder is fixedly connected to the machine head directly or through a connecting piece, and is detachably connected, or the juice connecting portion is fixedly connected with the machine head directly or through a connecting piece, and is detachable. a telescopic portion is disposed in the head of the machine above the press cylinder or on the head of the machine, and the telescopic portion is fully driven by the driving portion, and the driving portion is disposed in the head of the machine and the head of the machine The electric vacuum pump is disposed in the machine head, on the machine head or in the operating room;

or

(7) When the expansion and contraction is located inside the operating chamber of the press:

The machine body is composed only of a machine head, and the press cylinder is fixedly connected to the machine head directly or through a connecting piece, and is detachably connected, or the juice connecting portion is fixedly connected with the machine head directly or through a connecting piece, and is detachable. connection;

The expansion and contraction portion is located inside the operation chamber of the press cylinder, and the expansion and contraction portion is fully driven by the driving portion. The driving portion is disposed in whole or in part in the operating chamber of the press cylinder, and the electric vacuum pump is disposed in the machine head. On the head of the machine;

or

(8) When the expansion and contraction is located inside the operating chamber of the press:

The press cylinder at the operation room is also a machine body, and the expansion and contraction portion is located inside the operation chamber of the press cylinder, and the expansion and contraction portion is fully driven by the drive unit, and the drive portion is disposed in whole or in part in the operation chamber of the press cylinder. The electric vacuum pump is disposed in an operating chamber of the press cylinder.
An electric drive vacuum press according to claim 4, wherein:

(1) When the telescopic section is above the press cylinder:

The body is composed of a base portion, a vertical portion and a machine head, and a C-shaped frame structure is arranged, wherein the vertical portion is provided with a machine head and the machine head is suspended from the vertical portion, and the head of the machine is suspended. a pressing working space is formed between the picking portion and a portion of the base portion extending from the vertical portion, and the pressing working space is provided with a pressing cylinder and a juice receiving portion;

The press cylinder is not connected to the cantilever portion of the machine head;

An expansion and contraction portion is disposed in the machine head above the press cylinder or on the machine head, and the spatial positional relationship between the expansion and contraction portion and the machine head is relatively fixed or can be relatively changed and moved;

When the spatial positional relationship between the telescopic portion and the nose portion is relatively fixed: the telescopic portion is fixedly or detachably coupled to the machine head, and the machine head can be moved up and down along the vertical portion under the driving of the driving portion; The driving part is disposed in the machine head, on the machine head, in the base part, on the base part, in the vertical part or in the vertical part, and the electric vacuum pump is arranged in the machine head, on the machine head, in the base part, and in the base part. In the upper, vertical or vertical part;

When the spatial positional relationship between the telescopic portion and the nose portion can be relatively changed, the telescopic portion and/or the machine head can be moved up and down along the vertical portion under the driving of the driving portion, and the whole up and down movement and/or expansion and contraction of the two. The telescopic action of the part realizes the movement of the piston in the press cylinder; the driving part is arranged in the machine head, on the machine head, in the base part, on the base part, in the vertical part or on the vertical part, and the electric vacuum pump is arranged in In the head of the machine, on the head of the machine, in the base portion, on the base portion, in the vertical portion or on the vertical portion;

or

(2) When the telescopic section is above the press cylinder:

The body is composed of a vertical portion and a machine head to form an inverted L-shaped structure, wherein the machine head is a cantilever structure with respect to the vertical portion, and a pressing working space is below the cantilever portion of the machine head, and the pressing working space is Setting a press cylinder and a juice receiving portion;

The press cylinder is fixedly or detachably connected to the overhanging portion of the machine head, or has a support member for connecting the press cylinder or the juice receiving portion on the vertical portion, or the juice receiving portion and the machine head directly Or fixed or detachably connected by a connector;

An expansion and contraction portion is disposed in the machine head above the press cylinder or on the machine head, and the expansion and contraction portion is fully driven by the driving portion, and the driving portion is disposed in the machine head, on the machine head, and vertically. In the straight part or on the vertical part, the electric vacuum pump is arranged in the machine head, on the machine head, in the vertical part or on the vertical part;

or

(3) When the expansion joint is located above the press cylinder:

The body includes a base portion, a vertical portion and a nose portion, and the vertical portion has a C-shaped or U-shaped cross section.

The vertical portion is disposed between the machine head and the base portion, and the space surrounded by the machine head, the vertical portion and the base portion constitutes a press working space, and the press working space is provided with a press cylinder and a juice receiving portion;

The pressing cylinder is fixedly connected with the hanging portion of the machine head, detachably connected or not connected, or the liquid receiving portion and the hanging portion of the machine head are fixed or detachably connected directly or through a connecting member;

An expansion and contraction portion is disposed in the machine head above the press cylinder or on the machine head, and the expansion and contraction portion is fully driven by the driving portion, and the driving portion is disposed in the machine head, on the machine head, and vertically. The electric vacuum pump is disposed in the inner portion, the vertical portion, the base portion or the base portion, and is disposed in the machine head, on the machine head, in the vertical portion, on the vertical portion, in the base portion or on the base portion.
An electric drive vacuum press according to claim 5 or claim 6 wherein:

(1) when the expansion and contraction portion is close to the operation room, the end of the press cylinder at the operation room is an open structure or is provided with an end cover;

When it is an open structure: the expansion and contraction portion directly protrudes into the press cylinder from the open structure;

When the end cap is provided: the end portion of the press cylinder is an end cap of the system or the end cap of the press cylinder end, and the telescopic portion extends from the end cover into the press cylinder, and the operation chamber communicates with the atmospheric environment or The operating room is a confined space that is isolated from the atmospheric environment;

Or

(2) when the telescopic portion is located lateral to the operating chamber, the end of the press cylinder at the operating chamber is an open structure or is provided with an end cap;

When it is an open structure: the vertical arm on the other side of the inverted U-shaped arm driven by the telescopic portion directly protrudes into the press cylinder from the open structure;

When the end cap is provided: the end of the press cylinder is an end cap of the system or the end cap of the press cylinder end, and the vertical arm of the other side of the inverted U-arm driven by the telescopic section passes through the end cap and extends into the press In the cylinder, the operating room is in communication with the atmospheric environment or the operating room is a closed space that is isolated from the atmospheric environment;

or

(3) when the expansion and contraction portion is close to the juice receiving portion, the end of the press cylinder at the operation chamber is an open structure or is provided with an end cover;

When the end cap is provided: the end of the press cylinder is an institutional outlet cover or the end of the press cylinder is fastened, the operation chamber is connected to the atmospheric environment or the operation room is a sealed space from the atmospheric environment;

or

(4) when the expansion and contraction portion is located inside the operation room, the end of the press cylinder at the operation room is an open structure or is provided with an end cover;

When the end cap is provided: the end of the press cylinder is an institutional outlet cover or the end of the press cylinder is fastened, the operating chamber is in communication with the atmosphere or the operating chamber is a closed space from the atmosphere.
An electric drive vacuum press according to claim 1 or 2 or 3 or 5 or 6, wherein said piston is a rotary body, and said piston extends along a step of pushing or pulling the piston for pressing The movement direction of the telescopic portion also rotates along the rotation axis of the piston itself;

or

The piston is a rotating body that is capable of rotating about its own axis of revolution.
An electric drive vacuum press according to claim 1 or 2 or 3 or 5 or 6, characterized in that it is selected from any one of the structures (1), (2) or (3):

(1) the side wall of the pressurizing portion or the side wall of the press cylinder where the press chamber is located has air holes, and the air suction port of the electric vacuum pump is sealed and communicated with the air hole directly or through an air suction line;

or

(2) The bottom surface of the juice receiving portion has a gas pipe protruding into the juice receiving portion, and the end of the gas pipe extending into the juice receiving portion is located above the juice liquid surface in the juice receiving portion, and the air suction port of the electric vacuum pump is directly or through the air suction pipe The gas pipe is sealed and connected;

or

(3) The piston is provided with air holes, and the air suction port of the electric vacuum pump is in sealing communication with the air hole directly or through an air suction pipe.
An electric drive vacuum press according to claim 1 or 2 or 3 or 5 or 6, wherein said screen and said piston are pressed against each other, and both surfaces pressed by the two are planar structures. , or both are monolithic convex and concave structures, or both are monolithic relief structures;

Or having at least one convex structure on either surface of the screen opposite to the piston, or having at least one convex structure on both surfaces, or two convex or concave structures or two surfaces having mutually cooperating surfaces, or two surfaces At least one of the surfaces has a radial rib structure, or both surfaces have a shape for pressing that can be completely fitted, or both surfaces have shapes that can be fitted to each other for pressing.
An electric drive vacuum press according to claim 10, wherein a port is provided on the upper portion of the juice receiving portion or a funnel-shaped cover plate, and a movable float is disposed at a lowest point of the funnel-shaped cover plate. The float and the funnel-shaped cover plate together form a floating valve; after the juice squeezed by the press chamber flows into the funnel, the float floats to allow the juice to flow into the juice receiving portion below the funnel-shaped cover plate, after the pressing is completed and the juice is discharged, The float descends to seal the funnel outlet and isolates the funnel-shaped baffle from above it.
An electric drive vacuum press according to claim 1 or 2 or 3 or 5 or 6 or 11 wherein said press chamber at said press chamber, said juice portion or an electric vacuum pump a manual valve or an electric control valve for introducing gas is installed on the suction line;

or

A manual valve or an electronically controlled valve for introducing a gas is mounted on the piston.
An electric drive vacuum press according to claim 1 or 2 or 3 or 5 or 6 or 11, wherein one of said electric vacuum pump or electric drive telescopic mechanism has no motor and the other has a motor The operation of the unset motor is driven directly or via a transmission.
An electric drive vacuum press according to claim 1 or 2 or 3 or 5 or 6 or 11, further comprising automatic control means for controlling the operation of the electric vacuum pump and the electrically driven telescopic mechanism, The automatic control device includes any one, any two, any three, any four or all five of the time control module, the air pressure control module, the load current detection control module, the temperature detection control module or the oxygen detection control module:

(1) The time control module controls the operation of the electric vacuum pump and/or the electrically driven telescopic mechanism in a timed manner; or

(2) The air pressure detecting part of the air pressure control module includes a pressure sensor or a pneumatic switch, and the air pressure sensor or the air pressure switch is installed in the electric power a vacuum pump on the suction line, on the press chamber, on the juice portion or at a position in communication with the sealed chamber;

The air pressure sensor transmits the air pressure change of the closed cavity to the control part of the air pressure control module as an electrical signal, and the control part controls the operation of the electric vacuum pump and/or the electric drive expansion mechanism;

or

The air pressure switch is mechanical or electronic, and the air pressure change causes the air pressure switch to be turned on or off to control the operation of the electric vacuum pump and/or the electric drive telescopic mechanism; or

(3) The detecting portion in the load current detecting control module is configured to detect a load current change of the electric vacuum pump and/or the electric drive telescopic mechanism, and control the operation of the electric vacuum pump and/or the electric drive telescopic mechanism through a control portion in the load current detecting control module. ;or

(4) The detecting portion in the temperature detecting control module includes a contact temperature sensor or a non-contact temperature sensor, and the contact temperature sensor or the non-contact temperature sensor is installed in the air suction pipe of the electric vacuum pump, in the sealed cavity, and the closed cavity a position at which the body is connected, an outer wall of the member constituting the closed cavity, a body inside the juice receiving portion, a body on the side of the juice receiving portion, a body below the juice receiving portion, or a body below the juice receiving portion;

The contact temperature sensor or the non-contact temperature sensor transmits the temperature change in the sealed cavity to the control part of the temperature detection control module as an electrical signal, and the control part controls the operation of the electric vacuum pump and/or the electric drive expansion mechanism; or

(5) The detecting portion in the oxygen detecting control module includes an oxygen sensor, and the oxygen sensor is installed in the air suction pipe of the electric vacuum pump, in the sealed cavity, or in a space communicating with the closed cavity;

The oxygen sensor transmits the change in oxygen concentration in the closed chamber as an electrical signal to the control portion of the oxygen detection control module, which controls the operation of the electric vacuum pump and/or the electrically driven telescopic mechanism.
An electric drive vacuum press according to claim 1 or 2 or 3 or 5 or 6 or 11, wherein a juice tube is disposed on the bottom or side wall of the juice receiving portion, and the end of the juice tube is a top end of the juice tank is sealed or a faucet is provided at the end of the juice tube;

or

A juice tube is arranged on the bottom or side wall of the juice receiving portion, and the end of the juice tube is sealingly connected with the upper end opening of the juice tank, and the air suction port of the electric vacuum pump is sealingly connected to the juice tank directly or through an air suction line.
An electric drive vacuum press according to claim 1 or 2 or 3 or 5 or 6 or 11 wherein:

When the piston is pressed, the gas pressure in the closed chamber is selected from any one of (1), (2), (3), (4) or (5):

(1) less than 10 kPa and greater than 0 kPa;

or

(2) less than 2.5 kPa and greater than 0 kPa;

or

(3) less than 1.7 kPa and greater than 0 kPa;

or

(4) less than 1.23 kPa and greater than 0 kPa;

or

(5) less than 0.87 kPa and greater than 0 kPa.
An electric drive vacuum press according to claim 1 or 2 or 3 or 5 or 6 or 11, further comprising a pneumatic display device, the pneumatic display device being a mechanical barometer or an electronic barometer:

The mechanical barometer is a pointer type barometer, including a barometric pressure sensor and a pointer type head. The air pressure sensor is disposed in the closed cavity body, and the pointer type head is disposed on the side wall of the juice receiving portion or the side wall of the press cylinder;

Or a pressure measuring hole is arranged on the side wall of the juice receiving portion or the side wall of the pressing chamber, and the measuring hole has an elastic film blocking;

The electronic air pressure gauge comprises an air pressure sensor, a detection circuit and an optical display or an audio prompting device, wherein the parts are electrically connected, the air pressure sensor is disposed in the sealed cavity, and the optical display is disposed on the side wall of the juice receiving portion and the side wall of the pressing cylinder Or on the body, the sound prompter is located in the body.
An electric drive vacuum press according to claim 1 or 2 or 3 or 5 or 6 or 11, wherein said electric drive telescopic mechanism is an electric push rod, an electric cylinder, a linear travel motor, and a through type Screw rod linear stepping motor, electric rack jack, electro-hydraulic push rod, electro-hydraulic jack, electro-hydraulic lifting mechanism, electro-pneumatic push rod, electric screw lifter, electric crankshaft linkage telescopic mechanism, electric camshaft linkage Telescopic mechanism, electric crank slider telescopic mechanism, electric worm and worm linkage type telescopic mechanism, electric scissor jack, electric screw screw telescopic mechanism, electric ball screw lifting mechanism, electric turbine screw telescopic mechanism, electric scissor lift Any one of a mechanism, an electric sleeve type lifting mechanism, an electric column type lifting mechanism, an electric crank arm lifting mechanism, or an electric chain type lifting mechanism, or a combination of any two or more.
An electric drive vacuum press according to claim 1 or 2 or 3 or 5 or 6 or 11 wherein: An electric heating device is disposed on the side of the side, the bottom of the juice receiving portion, the body inside the juice receiving portion, the body on the side of the juice receiving portion, the body below the juice receiving portion, or the body below the juice receiving portion.
The electric drive vacuum press according to claim 7, characterized in that: the intersection of the press cylinder and the juice receiving portion, the intersection of the press cylinder and the end cap, the intersection of the juice receiving portion and the head portion, and the pressing A safety switch device is provided at at least one of the intersection of the cylinder and the head, and at the junction of the juice portion and the base portion, and the safety switch device is turned on only when the junction is properly installed.