WO2022171073A1

WO2022171073A1 - Vacuum packaging machine

Info

Publication number: WO2022171073A1
Application number: PCT/CN2022/075495
Authority: WO
Inventors: 梁国强; 李灼湖
Original assignee: 广州亚俊氏真空科技股份有限公司
Priority date: 2021-02-10
Filing date: 2022-02-08
Publication date: 2022-08-18
Also published as: CN112937986A

Abstract

A vacuum packaging machine, comprising a base (1) and a top cover (2) which are hinged to each other, wherein a lower cavity (11) is formed on the top surface of the base; an upper cavity (21) is formed on the bottom surface of the top cover; a heater (4), a vacuum pump set (3) and a control system (6) are arranged on the base; the vacuum pump set is in communication with the lower cavity by means of an air-extraction opening provided in a wall of the lower cavity; and the control system is used for controlling the heater and the vacuum pump set to complete heat sealing and suction operations. By means of the vacuum packaging machine, the stress conditions of a wall of the upper cavity and a wall of the lower cavity of the vacuum packaging machine are improved, and the materials and the manufacturing processes of the wall of the upper cavity and the wall of the lower cavity of the vacuum packaging machine are optimized, such that the material cost and the process cost are reduced, the volume of a vacuum cavity is reduced, and the selection cost of the vacuum pump set is reduced.

Description

A vacuum packaging machine

technical field

The invention relates to the technical field of vacuum packaging, in particular to a vacuum packaging machine.

Background technique

Vacuum packaging machines are often used for the sealed packaging of items. The existing cavity type vacuum packaging machines are made of metal materials considering the pressure bearing requirements. The processing technology is complex and the production cost is high. At the same time, as shown in Figure 1, the vacuum packaging in the prior art Due to the limitation of the machining process, the shape of the vacuum chamber 100 is relatively square, and the multiple edge corners of the vacuum chamber 100 cannot play the role of accommodating the vacuum packaging bags, which invisibly increases the volume of the vacuum chamber. The power of the vacuum pump set puts forward greater requirements, and the high-power vacuum pump set further leads to an increase in the manufacturing cost of the vacuum packaging machine, which is not conducive to the production and use of the vacuum packaging machine.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned technical problems, the purpose of the present invention is to provide a vacuum packaging machine. By designing part or all of the corners and side walls of the vacuum chamber into arc surfaces, the redundant space that cannot be used is eliminated, and the suction effect is guaranteed. At the same time, the volume of the vacuum chamber is reduced, the requirements of the vacuum pump group are reduced, and the production cost is controlled.

Based on this, the present invention provides a vacuum packaging machine, which includes:

a packaging machine body, the packaging machine body has a vacuum cavity for accommodating a vacuum packaging bag, and the vacuum cavity has an arc-shaped cavity wall;

a heater, arranged on the packaging machine body;

a vacuum pump set, which is arranged on the packaging machine body and communicates with the vacuum chamber;

a control system, arranged on the packaging machine body and electrically connected with the heater and the vacuum pump group;

Wherein, the packaging machine body is made of plastic material.

In some embodiments of the present application, the packaging machine body includes a hingedly connected base and a top cover, the top surface of the base is formed with a downwardly recessed lower chamber, and the bottom surface of the top cover is formed with an upwardly recessed upper chamber a chamber, the top cover is used for opening and closing the lower chamber, and the upper chamber and the lower chamber constitute the vacuum chamber when the top cover closes the lower chamber.

In some embodiments of the present application, the heater is provided on the base, and the top cover is provided with a bead matching the heater.

In some embodiments of the present application, a bag holder is provided on the top surface of the base, and the bag holder and the heater are located on the same side of the vacuum chamber.

In some embodiments of the present application, the hinge between the base and the top cover is located on a side of the vacuum chamber away from the heater.

In some embodiments of the present application, the heater is provided at the bottom of the top cover, and the base is provided with a bead matching the heater.

In some embodiments of the present application, a suction port is provided on the cavity wall of the vacuum chamber, and the vacuum pump group communicates with the vacuum chamber through the suction port.

In some embodiments of the present application, the plastic material includes PP material and PC material.

Compared with the prior art, a vacuum packaging machine provided by the embodiment of the present invention has the following beneficial effects:

The invention provides a vacuum packaging machine, which includes a vacuum packaging machine body, a heater, a vacuum pump set and a control system arranged on the vacuum packaging machine body. The vacuum packaging machine is made of plastic material and has a vacuum packaging bag for accommodating The vacuum cavity has an arc-shaped cavity wall, and the vacuum pump group is communicated with the vacuum cavity. Based on the above structure, the vacuum chamber wall of the vacuum packaging machine adopts a curved surface design, which improves the force of the vacuum chamber. The previous vacuum chamber has a square body, and the atmospheric pressure directly acts on the vacuum chamber wall during suction. The present application The arc surface cavity wall can generate a horizontal component force when it is stressed, which can effectively reduce the atmospheric pressure on the vacuum cavity wall, improve the force on the vacuum cavity wall, and optimize the packaging. Due to the requirements and limitations of the machine body on materials and processes, the wall of the vacuum chamber is made of plastic materials, which effectively reduces the material cost and process cost. The extra space of the vacuum chamber is also used, so the vacuum packaging machine can reduce the volume of the vacuum chamber while ensuring the suction effect. The reduction of the volume of the vacuum chamber reduces the power requirements of the vacuum pump group, and the selection of the vacuum pump group is more Variety and cost can be easily controlled.

Description of drawings

1 is a cross-sectional view of a vacuum packaging machine in the prior art;

2 is a schematic structural diagram of a vacuum packaging machine according to an embodiment of the present invention;

3 is a cross-sectional view of a vacuum packaging machine according to an embodiment of the present invention.

In the figure, 1, the base; 11, the lower chamber; 12, the installation slot; 2, the top cover; 21, the upper chamber; 3, the vacuum pump group; 4, the heater; 5, the air outlet; 6, the control system; 7 , layering; 8, bag clamping device; 100, vacuum chamber.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

It should be understood that the terms "before", "after", etc. are used in the present invention to describe various information, but these information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, "before" information may also be referred to as "post" information, and "post" information may also be referred to as "before" information without departing from the scope of the present invention.

As shown in FIG. 2 and FIG. 3, the present invention provides a vacuum packaging machine, which includes a packaging machine body, a vacuum pump set 3, a heater 4 and a control system 6 arranged on the packaging machine body. The packaging machine body has A vacuum chamber for accommodating vacuum packaging bags, the vacuum chamber has a curved wall and the wall of the vacuum chamber is made of plastic material. Specifically, the packaging machine body includes a hinged base 1 and a top cover 2. The base The top surface of 1 is formed with a downwardly recessed lower chamber 11, the top cover 2 is used to open and close the lower chamber 11, and the bottom surface of the top cover 2 is formed with an upwardly recessed upper chamber 21. The upper chamber 21 and the lower chamber 11. The vacuum chamber is formed when the top cover 2 closes the lower chamber 11. Both the lower chamber 11 and the upper chamber 21 have arc surface chamber walls. The vacuum pump group 3 is arranged on the base 1 and communicated with the lower chamber 11. In order to suck the gas in the vacuum chamber, the heater 4 is arranged in the installation groove 12 on the top surface of the base 1 for heating and sealing the vacuum packaging bag, the control system 6 is arranged on the base 1 and the vacuum pump group 3 and the heater 4 are arranged The electrical connection is used to control the opening and closing of the vacuum pump group 3 and the heater 4.

Based on the above structure, the vacuum chamber wall of the vacuum packaging machine adopts a curved surface design, which can effectively improve the force of the vacuum chamber wall. Specifically, the previous vacuum chamber has a square body, and the atmospheric pressure directly acts on the On the cavity walls of the lower cavity 11 and the upper cavity 21 of the vacuum packaging machine, the arc surface cavity wall of the present application can generate a horizontal component force when subjected to force, effectively reducing the pressure on the cavity wall, and the lower cavity 11 and The reduction of the pressure on the cavity wall of the upper cavity 21 further eliminates the material and process limitations imposed by the base 1 and the top cover 2. In this application, the cavity walls of the lower cavity and the upper cavity 21 are made of plastic materials by injection molding, It can effectively reduce the material cost and process cost. At the same time, the vacuum cavity with the arc-shaped cavity wall is more suitable for the vacuum packaging bag, and the excess space at the edge of the vacuum cavity is also used. In this way, the vacuum packaging machine can ensure the suction effect. At the same time, the volume of the vacuum chamber can also be reduced, the reduction of the volume of the vacuum chamber reduces the power requirement of the vacuum pump group 3, the selection of the vacuum pump group is more diverse, and the cost can be easily controlled.

It should be noted that other adjustments can be made to the shapes of the upper chamber 21 and the lower chamber 11 of the vacuum packaging machine under the premise of ensuring the improvement of the force on the wall of the vacuum chamber. For the vacuum chamber, only the upper chamber 21 can be provided, or only the lower chamber 11 can be provided, and the actual design can be changed according to the size of the vacuum packaging bag and the manufacturing material.

Optionally, in some embodiments of the present application, a suction port 5 is provided on the cavity wall of the vacuum chamber, and the vacuum pump group 3 is communicated with the vacuum chamber through the suction port 5. On the side wall of the lower chamber 11, the vacuum pump group 3 communicates with the lower chamber 11 through the suction port 5, so as to complete the suction of the gas in the vacuum chamber. Of course, the suction port 5 can also be arranged on the side of the upper chamber 21. On the wall, at this time, the vacuum pump group 3 is communicated with the upper chamber 21, and the technical effect brought by the change of the position of the suction port 5 is consistent.

Optionally, in some embodiments of the present application, the heater 4 is provided on the base 1, and the top cover 2 is provided with a pressure strip 7 that matches the heater 4. When in use, the top cover 2 is pressed, and the pressure strip on the top cover 2 is used. 7. Approach and squeeze the heater 4 to increase the contact area between the heater 4 and the vacuum packaging bag to ensure the heat sealing effect. It should be noted that the setting positions of the heater 4 and the pressure strip 7 can also be adjusted. For example, if the heater 4 is arranged on the top cover 2, at this time, the pressure strip 7 matching the heater 4 is arranged on the base 1. The technical effect brought by the position adjustment of the heater 4 and the bead 7 is the same.

Further, in some embodiments of the present application, the top surface of the base 1 is provided with a bag holder 8 , and the bag holder 8 and the heater 4 are located on the same side of the lower chamber 11 . The bag clamper 8 arranged on the side of the heater 4 can clamp the bag mouth of the vacuum packaging bag during the suction process, so as to prevent the vacuum packaging bag from running during the process of suction and heat sealing, which affects the normal progress of suction. To ensure the stability of the suction process, specifically, the bag gripper 8 lifts up and clamps the bag mouth of the vacuum packaging bag during the internal suction, and the bag gripper 8 sinks into the base 1 when the external suction is performed to avoid the influence of the vacuum packaging bag. The extraction is carried out normally.

Further, the hinge between the base 1 and the top cover 2 is located on the side of the base 1 away from the heater 4, so the heater 4 and the bag holder 8 are closer to the operator, which is very convenient to use.

Further, in some embodiments of the present application, the plastic materials used for the base 1 and the top cover 2 are preferably PP materials and PC materials. PP materials and PC materials are easy to obtain, and it is difficult to achieve various alloy materials that can be produced by injection molding according to requirements. Alien structure. In actual production, the operator can choose one or more of these materials to use according to the pressure requirements of the vacuum packaging machine.

In addition, it should be noted that for the top cover 2 of the vacuum packaging machine, it can also be made of other materials that are easy to be injection-molded, such as nylon material or glass material. Specifically, the top cover 2 is made of transparent glass material. At this time, the top cover 2 is not provided with the upper chamber 21 , but the specific suction situation in the lower chamber 11 can be more intuitively understood through the transparent top cover 2 .

In summary, the present invention provides a vacuum packaging machine, which includes a hinged base and a top cover, the top surface of the base is formed with a lower chamber, the bottom surface of the top cover is formed with an upper chamber, and the base is provided with a heating The vacuum pump set communicates with the lower chamber through the suction port set on the cavity wall of the lower chamber, and the control system is used to control the heater and the vacuum pump set to complete the heat sealing and suction operations. Compared with the prior art, the vacuum packaging machine improves the stress condition of the vacuum packaging machine, optimizes the materials and manufacturing process of the vacuum packaging machine, reduces the cost of materials and process costs, and reduces the volume of the vacuum cavity. The selection cost of the vacuum pump unit is reduced, and the manufacturing cost of the vacuum packaging machine is effectively reduced.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principle of the present invention, several improvements and replacements can be made. These improvements and replacements It should also be regarded as the protection scope of the present invention.

Claims

A vacuum packaging machine, comprising:

a packaging machine body, the packaging machine body has a vacuum cavity for accommodating a vacuum packaging bag, and the vacuum cavity has an arc-shaped cavity wall;

a heater, arranged on the packaging machine body;

a vacuum pump set, which is arranged on the packaging machine body and communicates with the vacuum chamber;

a control system, arranged on the packaging machine body and electrically connected with the heater and the vacuum pump group;

Wherein, the cavity wall of the vacuum cavity is made of plastic material.
The vacuum packaging machine according to claim 1, wherein the packaging machine body comprises a hingedly connected base and a top cover, the top surface of the base is formed with a downwardly recessed lower chamber, and the top cover is formed with a lower chamber. The bottom surface is formed with an upwardly concave upper chamber, the top cover is used to open and close the lower chamber, and the upper chamber and the lower chamber form the upper chamber when the top cover closes the lower chamber. vacuum chamber.
The vacuum packaging machine according to claim 2, wherein the heater is provided on the top of the base, and the top cover is provided with a bead matching the heater.
The vacuum packaging machine according to claim 3, wherein the top surface of the base is provided with a bag holder, and the bag holder and the heater are located on the same side of the vacuum chamber.
The vacuum packaging machine according to claim 4, wherein the hinge joint of the base and the top cover is located on the side of the vacuum chamber away from the heater.
The vacuum packaging machine according to claim 2, wherein the heater is arranged at the bottom of the top cover, and the base is provided with a bead matching the heater.
The vacuum packaging machine according to claim 1, wherein a suction port is provided on the cavity wall of the vacuum chamber, and the vacuum pump group communicates with the vacuum chamber through the suction port.
The vacuum packaging machine according to claim 1, wherein the cavity wall of the vacuum chamber is made of PP material, PC material or nylon material.