CN210470934U

CN210470934U - Nut shell breaking machine capable of automatically controlling shell breaking pressure

Info

Publication number: CN210470934U
Application number: CN201920947066.XU
Authority: CN
Inventors: 潘小平; 冯本清; 胡进彪
Original assignee: Linan Xiaoping Hardware Machinery Co ltd
Current assignee: Linan Xiaoping Hardware Machinery Co ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-05-08
Anticipated expiration: 2029-06-21

Abstract

The utility model relates to a nut breaking machine. The technical scheme is as follows: a nut cracking machine capable of automatically controlling cracking pressure comprises a base, a fruit hopper, a feeding mechanism and at least one cracking mechanism, wherein the fruit hopper, the feeding mechanism and the at least one cracking mechanism are arranged on the base; the method is characterized in that: each shell breaking mechanism comprises a rotary table, a pressure head, an opening knife, a sensor and a controller, wherein the rotary table carries a plurality of die sleeves for containing nuts and is rotatably positioned on the base, the pressure head is driven by a power mechanism to enable the die sleeves to move relatively to apply pressure to the nuts in the die sleeves, the opening knife is fixed on the base below the rotary table and is aligned to the nuts in the die sleeves to be matched with the pressure head to enable the nuts to be opened, the sensor is installed on the power mechanism to monitor shell breaking pressure, and the controller is electrically connected with the sensor and the power mechanism to enable the power mechanism to retreat when the nuts are broken. The nut shell breaking machine can automatically control the shell breaking pressure, has the characteristics of no damage to nuts, no dust pollution and high shell breaking efficiency, and is simple in structure and easy to manufacture and install.

Description

Nut shell breaking machine capable of automatically controlling shell breaking pressure

Technical Field

The utility model relates to a nut shell breaking machine, especially a but nut shell breaking machine of automatic control shell breaking pressure.

Background

In recent years, people are more and more fond of nut consumption along with the improvement of living standard and the continuous pursuit of health preservation; so that the requirements on food processing and production equipment are higher and higher at present. However, because the nut shell is relatively hard, it is necessary to break the shell before frying. For example, macadamia nuts, which are popular among people, are hard in their shells, and special equipment must be used to break the shells.

There are two types of existing devices: one is that the fruit is pressed by the sense of manpower, the labor intensity is large, the effect is not good, the fruit which is not opened or directly crushed exists, and the quality is not stable. The second is equipment which adopts a saw blade to cut a gap on the nut; however, there are problems: 1. a large amount of dust is generated during processing, certain harm is caused to the environment and workers, and 2, certain loss is caused by kerf slotting, so that the cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome above-mentioned prior art not enough, provide a nut rejuvenator, the rejuvenator should be able to automatic control shell breaking pressure, has the characteristics that the nut is not hindered in the shell breaking, no raise dust pollutes, shell breaking is efficient to simple structure easily makes and installs.

The utility model provides a technical scheme is:

a nut cracking machine capable of automatically controlling cracking pressure comprises a base, a fruit hopper, a feeding mechanism and at least one cracking mechanism, wherein the fruit hopper, the feeding mechanism and the at least one cracking mechanism are arranged on the base; the method is characterized in that: each shell breaking mechanism comprises a rotary table, a pressure head, an opening knife, a sensor and a controller, wherein the rotary table carries a plurality of die sleeves for containing nuts and is rotatably positioned on the base, the pressure head is driven by a power mechanism to enable the die sleeves to move relatively to apply pressure to the nuts in the die sleeves, the opening knife is fixed on the base below the rotary table and is aligned to the nuts in the die sleeves to be matched with the pressure head to enable the nuts to be opened, the sensor is installed on the power mechanism to monitor shell breaking pressure, and the controller is electrically connected with the sensor and the power mechanism to enable the power mechanism to retreat when the nuts are broken.

The opening knife part is also provided with a tray for positioning nuts, and the tray can be vertically movably positioned on the machine base through a spring; the center of the tray is provided with a through groove which is beneficial to the passing of the opening knife so as to avoid the interference of the tray and the opening knife when the tray moves.

The power mechanism comprises an electric push rod or a linear motion mechanism driven by a motor, the pressure head is installed at the front end of the power mechanism, and the sensor is installed between the power mechanism and the pressure head.

The linear motion mechanism is a screw rod mechanism.

The carousel includes that can fix a position the layer board on the frame and order about the layer board and decide angle intermittent type pivoted transposition motor around vertical axis rotation ground, a plurality of die sleeves equipartitions are in the circumference of layer board to carry the nut intermittent type motion between feed station, opening station and ejection of compact station in proper order.

A bedplate is arranged between the turntable and the base; the opening station of the bedplate is provided with a channel for the tray to move up and down; an outlet for outputting nuts is formed in the discharging station of the table plate, and a sliding channel which is communicated with the outlet and guides the nuts to an external receiving hopper is arranged on the machine base.

The die sleeve is a round pipe which is communicated from top to bottom and has a diameter larger than the nuts, so that the nuts can be placed conveniently.

The feeding mechanism comprises an output opening arranged at the bottom end of the fruit hopper for outputting nuts, a feeder which can be rotatably positioned at the output opening around a horizontal axis for receiving the nuts and releasing the nuts at a fixed time, and a conveying pipe which is arranged at one side of the feeder and used for conveying the nuts released by the feeder to a feeding station.

A plurality of pits which are uniformly distributed around the circumference to accommodate nut sinking are formed in the cylindrical profile surface of the feeder.

The utility model discloses a theory of operation is: firstly, pouring nuts into a fruit hopper, and sliding the nuts in the fruit hopper into a pit of a feeder from an output port at the bottom end of the fruit hopper under the action of gravity; then when the feeder rotates for a certain angle (more than 90 degrees), the fruit hopper slides out of the pit and falls off, and rolls into a die sleeve (the die sleeve entering a feeding station) through a conveying pipe; then the die sleeve is driven to an opening station by the supporting plate and slides into a tray of the opening station, the pressing head moves downwards under the driving of the power mechanism to press the nuts in the die sleeve, so that the nuts and the tray move downwards together, and the opening knife directly cuts the bottom ends of the nuts; along with the increase of the pressure, the pressure applied to the nuts is continuously increased, and the shells are pierced by the opening knife until the shells of the nuts are broken; at the moment of the shell of the nut cracking, the sensor detects sudden change of sudden pressure reduction, and immediately sends a signal to the controller, and the controller immediately sends a command to stop the power mechanism and then rotate reversely; the pressure head is lifted and separated from the die sleeve, the tray drives the nuts to be separated from the opening knife, and the supporting plate drives the die sleeve to rotate again to enable the shelled nuts to leave the opening station; when the nut breaking machine rotates to a discharging station, the broken nuts in the die sleeve fall from an outlet of the platen and slide to a receiving hopper through a sliding channel on the machine base.

The above mechanisms move circularly, and the nut shell breaking operation is continuously carried out.

The utility model has the advantages that: according to the opening method and the opening device, the mode that the cutter is used for jacking the nuts to break the shells and the power mechanism is enabled to move reversely and withdraw quickly at the instant of breaking the shells is adopted, so that the nuts are effectively broken, the nuts are kept intact and are not damaged, and the working efficiency of breaking the shells is remarkably improved (2-3 times higher than that of the existing mode of opening by using the saw blade); moreover, no cutting and product loss exist, and the production cost cannot be increased; dust pollution can not be generated, and the environment protection and the body health of operators are facilitated; furthermore, the utility model discloses a structure is simple relatively, easily makes and installs the maintenance.

Drawings

Fig. 1 is a schematic front view structure diagram of an embodiment of the present invention.

Fig. 2 is a left side view structure diagram of the embodiment of the present invention.

Fig. 3 is a schematic top view of an embodiment of the present invention.

Fig. 4 is a schematic structural view of one of the breaking mechanisms of fig. 1.

Fig. 5 is a left-side view schematically illustrating fig. 4.

Fig. 6 is a schematic view of the bucket structure of fig. 1.

Detailed Description

The following further description is made with reference to the embodiments shown in the drawings.

Adopt the utility model provides a nut shell breaking method of nut shell breaking machine carries out according to following step:

1) putting the nuts into a sleeve which is through up and down and has a diameter larger than the nuts; the sleeve acts as a barrier, generally having an inner diameter greater than 0.5-2mm of the nut diameter, to prevent the nut from escaping when opening;

2) applying a gradually increasing top pressure parallel to the axis of the sleeve to one end of the nut, and providing a reaction force with the same magnitude and opposite direction as the top pressure at the other end of the nut; a sensor monitors the top pressure on line;

3) at least one of the top pressure and the reaction force is applied through the opening knife;

4) when the sensor monitors that the top pressure is suddenly reduced, the nut is broken and opened; so that the top pressure and the counterforce applied to the nuts can be removed immediately; the opening operation of the nuts is completed.

The sleeve can also be placed at an angle (the axis of the sleeve is not vertically downward); the directions of the top pressure and the reaction force are still kept parallel to the axis of the sleeve.

The attached figure shows a nut cracking machine which is designed according to the method and automatically controls the cracking pressure, and the nut cracking machine comprises a base 13, a fruit hopper 1 arranged on the base, a feeding mechanism and a plurality of cracking mechanisms; this is similar to existing nut cracker.

The utility model discloses an improvement is: in the shell breaking mechanism, the turntable is used for accommodating nuts to position the nuts; in the carousel: the supporting plate 5 can be rotationally positioned on the upper side of the platen 3 around a vertical axis, a plurality of die sleeves 6 (eight, 4 or 6 or determined according to requirements are shown in the drawing) are uniformly distributed along the circumferential direction of the supporting plate and rotate along the supporting plate (the die sleeves are fixed in the holes on the supporting plate one by one), the die sleeves are of tubular structures, have inner cavities which are communicated up and down, the diameter of the inner cavities is larger than the nuts, and the height of the die sleeves is half to two thirds of the diameter of the nuts, so that the nuts can be accommodated without affecting the movement of the pressing head in the vertical direction; the indexing motor 14 (preferably a stepping motor) drives the supporting plate to rotate at a fixed angle interval, so that each die sleeve intermittently moves between the opening stations of the blanking station in sequence (the supporting plate stops for a plurality of times after rotating for a certain angle each time, then rotates, stops and repeatedly circulates; the feeding and shell breaking operation can be carried out by utilizing the time of stopping each time; and the intermittent movement time is realized by adjusting the indexing motor). The bedplate 3 is arranged between the turntable and the base and is used for jacking the nuts; when the nuts are dragged by the die sleeve to the transfer station, the bottom ends of the nuts simultaneously slide on the upper surface of the platen. The bedplate is also provided with a plurality of outlets 3-1 for allowing the open nuts to fall; the nuts can be communicated with a receiving hopper 18 below through the outlet and the lower sliding channel 7 on the machine base in sequence under the action of gravity.

The pressing head 15 is fixed at the bottom end of the power mechanism and can move relative to the rotating disc to apply opening pressure to nuts in the rotating disc (in the figure, a concave die opening is formed in the lower surface of the pressing head, so that the nuts are not easy to slip after being pressed). The power mechanism for driving the ram is a linear motion mechanism 17, which includes an electric push rod or a screw mechanism driven by a motor (preferably a stepping motor). A sensor 16 is mounted on the power mechanism to monitor the crust breaking pressure (preferably a pressure sensor; the pressure sensor is mounted between the linear motion mechanism and the pressure head); the figure shows that: the sensor is arranged at the bottom end of the electric push rod and is a purchased weighing sensor (a PST type of Anhui Koeho electric is recommended); the electric push rod motor 17-1 rotates, and the electric push rod drives the die sleeve to move downwards together. The opening knife 9 is fixed on a base below the rotary table (shown in the figure as being fixed on the base through a knife holder 12) and is aligned with the nuts in the die sleeve; the opening knife can be designed into an arc which is matched with the outer surface of the nut (the length of the arc-shaped knife edge can be selected according to requirements), and can be matched with the pressure head to cut the nut into an open. The opening knife part is also provided with a tray 10 for positioning nuts; the tray can be vertically movably positioned on the base through a spring 11 (in the figure, the bottom end of the spring is positioned on the base through a tool apron 1, the tray is fixed at the top end of the spring), a positioning pit which is sunken downwards is formed in the upper surface of the tray, the center of the positioning pit is vertically aligned with the center of a die opening of the pressing head, and nuts roll into the positioning pit to automatically realize centering; the center of the tray is also provided with through grooves with the distance larger than the thickness of the opening knife, so that the opening knife is facilitated to pass when the tray moves up and down, and the interference with the opening knife is avoided.

The controller (arranged in the electric control box 19 and a purchased part) is electrically connected with the sensor and the power mechanism, and once the nut shell breaking signal sent by the sensor is received, the controller commands the power mechanism to retreat (the power mechanism reverses).

In the feeding mechanism (see fig. 4; prior art), the bottom end of a fruit hopper 1 is provided with an output port 1-1 for outputting nuts; the feeder 2 is driven by a feeding motor, can be positioned below the output port in a rotating way around a horizontal axis and is used for receiving nuts 8 (shown in the figure, a plurality of pits 2-1 which are uniformly distributed around the circumference and used for containing the nuts to slide in are formed in the cylindrical profile surface of the feeder) and is released when the feeder rotates for a certain angle; a funnel-shaped transport pipe 4 is located at one side of the feeder for transporting nuts released by the feeder to the infeed station of the pallet.

Correspondingly, in each shell breaking mechanism, a supporting plate of the rotating disc is circumferentially provided with a feeding station, a shell breaking station and a discharging station; wherein the feeding station is aligned with the output port at the bottom end of the fruit hopper, the shell breaking station is positioned below the vertical axis of the pressure head, and the two stations can be separated by 90 degrees, 120 degrees or 180 degrees.

The figure also shows that: the whole machine of the embodiment can be provided with 4 shell breaking mechanisms; 4 output ports can be arranged at the bottom end of one fruit hopper, and continuous automatic shell breaking operation can be carried out by matching with 4 feeders and 4 funnel-shaped conveying pipes.

The work is brief: the method comprises the steps of powering on, enabling all parts to be in a working state, starting a button, resetting all motors, enabling a transposition motor to work in an electrified mode, enabling a feeding motor to rotate to feed materials, enabling a stepping motor to start to press down, changing a pressure value (opening of nuts), outputting an instruction by a controller, and stopping and withdrawing the stepping motor.

Claims

1. A nut shell breaking machine capable of automatically controlling shell breaking pressure comprises a base (13), a fruit hopper (1) arranged on the base, a feeding mechanism and at least one shell breaking mechanism; the method is characterized in that: each shell breaking mechanism comprises a rotary table which carries a plurality of die sleeves (6) used for containing nuts (8) and is rotatably positioned on a base, a pressure head (15) driven by a power mechanism to perform relative motion on the die sleeves so as to apply pressure to the nuts in the die sleeves, an opening knife (9) which is fixed on the base below the rotary table and aligned with the nuts in the die sleeves so as to be matched with the pressure head to open the nuts, a sensor (16) which is installed on the power mechanism to monitor the shell breaking pressure, and a controller which is electrically connected with the sensor and the power mechanism so as to enable the power mechanism to retreat when the nuts are broken.

2. The nut cracker capable of automatically controlling cracking pressure of claim 1, further comprising: the opening knife part is also provided with a tray (10) for positioning nuts, and the tray is positioned on the machine base in a vertically movable manner through a spring (11); the center of the tray is provided with a through groove which is beneficial to the passing of the opening knife so as to avoid the interference of the tray and the opening knife when the tray moves.

3. The nut cracker capable of automatically controlling cracking pressure of claim 2, further comprising: the power mechanism comprises an electric push rod or a linear motion mechanism driven by a motor, the pressure head is installed at the front end of the power mechanism, and the sensor is installed between the power mechanism and the pressure head.

4. The nut cracker capable of automatically controlling cracking pressure of claim 3, further comprising: the carousel includes can fix a position layer board (5) and the transposition motor (14) that order about the layer board fixed angle intermittent type pivoted on the frame with rotating around vertical axis, a plurality of die sleeves equipartitions are in the circumference of layer board to carry the nut intermittent type motion between feed station, opening station and ejection of compact station in proper order.

5. The nut cracker capable of automatically controlling cracking pressure of claim 4, further comprising: a bedplate (3) is arranged between the turntable and the machine base; the opening station of the bedplate is provided with a channel for the tray to move up and down; an outlet (3-1) for outputting nuts is formed in the discharging station of the table plate, and a sliding channel (7) which is communicated with the outlet and guides the nuts to an external receiving hopper is arranged on the machine base.

6. The nut cracker capable of automatically controlling cracking pressure of claim 5, further comprising: the die sleeve is a round pipe which is communicated from top to bottom and has a diameter larger than the nuts, so that the nuts can be placed conveniently.

7. The nut cracker capable of automatically controlling cracking pressure of claim 6, further comprising: the feeding mechanism comprises an output opening (1-1) arranged at the bottom end of the fruit hopper for outputting nuts, a feeder (2) which can rotate around a horizontal axis and is positioned at the output opening for receiving the nuts and releasing the nuts at a fixed time, and a conveying pipe (4) which is positioned at one side of the feeder and is used for conveying the nuts released by the feeder to a feeding station.

8. The nut cracker capable of automatically controlling cracking pressure of claim 7, further comprising: the cylindrical profile surface of the feeder is provided with a plurality of pits (2-1) which are uniformly distributed around the circumference to contain nuts to sink.