A steamed bun and pie integrated processing system

Through the design of the integrated processing system of buns and pies, combined with automatic transfer and mobile mechanism, the automated processing of buns and pies is realized, solving the problems of single functions of existing equipment, large area and large labor, and realizing the packaging from the package Automatic process from finished products saves labor and improves production efficiency.

CN113016982BActive Publication Date: 2025-01-10WEIHAI TECHNICIAN COLLEGE
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Patent Information

Application Number
CN202110132527.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-01-31
Publication Date
2025-01-10
Estimated Expiration
2041-01-31

AI Technical Summary

Technical Problem

The existing bun and pie processing equipment has a single function, a large area, and requires a lot of manual participation. It is impossible to achieve automated completion from packaging to maturity, resulting in waste of labor.

Method used

A bun and pie integrated processing system is designed, including a bun machine, a platter machine, an oven and a steamer. The combination of a bun pie transfer device, a transfer moving mechanism, a lateral movement mechanism, an up and down movement mechanism and a pallet pick-up and delivery device is used. , realizes automatic transfer, placing, steaming and baking of buns and pies, and has dual functions of automated processing capabilities.

Benefits of technology

It realizes all automation from packaging to maturity, saves labor, has the advantages of simple structure and small footprint, and can prepare buns and pies at the same time, improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

A steamed bun and pie integrated processing system relates to the field of catering equipment, comprising a steamed bun machine, a plate placing machine, an oven and a steamer, and is provided with a steamed bun and pie transfer device, the steamed bun machine and the plate placing machine are arranged on the right side of the steamed bun and pie transfer device, the oven and the steamer are arranged on the left side of the steamed bun and pie transfer device, a pie pattering machine is arranged between the steamed bun machine and the plate placing machine, the rear end of the conveyor belt of the pie pattering machine is connected with the discharge port of the steamed bun machine, and the front end is connected with the feed port of the plate placing machine, and the steamed bun and pie transfer device comprises a transfer moving mechanism, a lateral moving mechanism, an up and down moving mechanism and a tray picking and delivering device; the present invention has the advantages of being fully automated from wrapping to mature processing, having the dual functions of preparing steamed buns and pie at the same time, occupying a small area, saving manpower, etc.
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Description

Technical Field

[0001] The invention relates to the field of catering equipment, in particular to a steamed bun and pie integrated processing system which can automatically complete the process from wrapping to processing, has the dual functions of preparing steamed buns and pie at the same time, occupies a small area, and saves manpower. Background Art

[0002] As we know, steamed buns and pies are a common type of stuffed pasta for Chinese people. Due to their delicious taste and simple and convenient eating, they have become an indispensable part of fast food. The existing steamed bun machines or pie machines for preparing steamed buns and pie are separately set up, each completing a single function of making steamed buns or pie. After the steamed buns or pie are made, a plate placing machine is used to place them on a plate, and then the raw steamed buns are manually sent into the steamer for steaming, and the raw pie is sent into the oven for baking. Not only are the functions single and the floor space is large, but also a large amount of manual participation is required, wasting labor. Summary of the invention

[0003] The purpose of the present invention is to solve the deficiencies of the above-mentioned prior art and to provide a steamed bun and pie integrated processing system which has a simple structure, occupies a small space, and is fully automated from wrapping to processing, saving labor, and has the dual functions of preparing steamed buns and pie.

[0004] The technical solution adopted by the present invention to solve the above-mentioned deficiencies in the prior art is:

[0005] A steamed bun and pie processing system comprises a steamed bun machine, a plate placing machine, an oven and a steamer, characterized in that a steamed bun and pie transfer device is provided, the steamed bun machine and the plate placing machine are arranged on the right side of the steamed bun and pie transfer device, the oven and the steamer are arranged on the left side of the steamed bun and pie transfer device, a pie slapping machine is provided between the steamed bun machine and the plate placing machine, the rear end of the conveyor belt of the pie slapping machine is connected to the discharge port of the steamed bun machine, and the front end is connected to the feed port of the plate placing machine (the conveyor belts of the plate placing machine are relatively connected or use the same conveyor belt), the structure of the steamed bun and pie transfer device is that a transfer moving mechanism that can reciprocate back and forth between the oven and the steamer is provided between the plate placing machine and the oven and the steamer, a lateral moving mechanism that can reciprocate left and right is provided on the bearing platform of the transfer moving mechanism, an up-and-down moving mechanism that can reciprocate up and down is provided on the bearing platform of the up-and-down moving mechanism, and a tray picking and delivering device that can reciprocate left and right is provided on the bearing platform of the up-and-down moving mechanism; the tray picking and delivering device is The bearing platform of the mechanism is provided with two guide columns which are arranged in the left and right directions and are parallel to each other, and guide slide grooves which are arranged in the left and right directions are respectively provided on the opposite sides of the two guide columns, and support arms which can slide left and right therein are respectively provided in the guide slide grooves, and left limit connecting rods and right limit connecting rods are respectively provided at the left and right end portions of the two support arms, and the left limit connecting rod and the right limit connecting rod are rotatably connected to the left and right end portions of the two support arms through bearings respectively, and a support arm driving screw and a support arm driving motor are provided on the bearing platform of the up and down moving mechanism, and the support arm driving motor is connected to the support arm driving screw for driving the same to rotate, and a nut mounting plate is provided between the two support arms, and the nut of the support arm driving screw is mounted on the nut mounting plate; pulleys are provided on the left and right limit connecting rods, and a transmission belt is provided on the pulleys, and a transmission wheel is provided on the right limit connecting rod, and a transmission motor is provided on the nut mounting plate, and a driving wheel is provided on the output shaft of the transmission motor, and the driving wheel is connected to the transmission wheel through a belt.

[0006] The steamer described in the present invention is provided with an automatic door opening and closing device, and the structure of the automatic door opening and closing device is as follows: a steamer door is provided on the front side of the steamer, the right side of the steamer door is hinged with the steamer box body through a hinge, a mounting seat is provided at the rear right side of the steamer box body, a door opening and closing electric cylinder is hinged on the mounting seat, a support rod extending forward to the steamer door is provided on the mounting seat on the right side of the door opening and closing electric cylinder, the front end of the support rod is hinged with the rear end of the door opening and closing swing rod, the front end of the door opening and closing swing rod is hinged with the door opening and closing pull rod, the door opening and closing pull rod is hinged on the steamer door, and the opening and closing door device is provided with a steamer door. The push rod of the door closing electric cylinder is hinged with the door opening and closing swing rod; a door locking ear protruding forward is provided on the left side of the steam box body, and a door locking hole is provided on the door locking ear; a hinge seat is provided on the left side of the front side of the steam box door, and an L-shaped door locking pin is hinged on the hinge seat. The L-shaped door locking pin is composed of a locking arm and a driving arm. The connection between the locking arm and the driving arm of the L-shaped door locking pin is hinged with the hinge seat; a door locking electric cylinder is hinged on the front side of the steam box door on the right side of the hinge seat, and the locking arm of the L-shaped door locking pin cooperates with the door locking hole, and the driving arm is hinged with the push rod of the door locking electric cylinder. When the steam box door is closed with the steam box body, the push rod of the door locking electric cylinder pushes the driving arm of the L-shaped door locking pin to rotate around the hinge seat, driving the locking arm to rotate into the door locking hole of the door locking ear, and the driving arm continues to rotate around the hinge seat, and the mutual extrusion force between the locking arm and the door locking hole presses the steam box door against the steam box body and seals it.

[0007] The structure of the transfer and moving mechanism described in the present invention is: two front and rear linear guide rails parallel to each other and arranged in the front and rear directions are provided on the base, front and rear mounting plates are provided on the load platforms of the two front and rear linear guide rails, front and rear driving screws are provided on the base, the nuts on the front and rear driving screws are connected to the front and rear mounting plates, and the base is provided with front and rear driving motors connected to the front and rear driving screws.

[0008] The structure of the lateral moving mechanism described in the present invention is: two left and right linear guide rails parallel to each other and arranged in the left and right directions are provided on the front and rear mounting plates, left and right mounting plates are provided on the load platforms of the two left and right linear guide rails, left and right mounting plates are provided on the front and rear mounting plates, left and right driving screws are provided on the front and rear mounting plates, nuts on the left and right driving screws are connected to the left and right mounting plates, and left and right driving motors connected to the left and right driving screws are provided on the front and rear mounting plates.

[0009] The up-and-down moving mechanism described in the present invention is that four vertically arranged lifting guide rails are arranged on the left and right mounting platforms, and sliders that can be lifted and slid thereon are respectively arranged on the four lifting guide rails, and the lifting mounting platform is arranged on the sliders, and the upper ends of the four lifting guide rails are provided with fixed connecting rods that connect them to each other, and the fixed connecting rods are provided with a lifting winch, and the lifting winch is connected to the lifting mounting platform. The lifting winch is used to drive the lifting and lowering of the lifting mounting platform, and the lifting mounting platform is the bearing platform of the up-and-down lifting mechanism.

[0010] When the present invention is in use, the buns automatically processed by the bun machine fall on the rear end of the conveyor belt of the pancake patting machine, and the conveyor belt transmits the buns forward. When the buns need to be steamed, the pancake pressing device of the pancake patting machine does not work, and the conveyor belt directly transmits the buns to the plate setting machine for plate setting. After the plate setting machine places the buns on the steaming plate, the transfer moving mechanism, the horizontal moving mechanism, the up and down moving mechanism and the tray picking and delivering device cooperate with each other, and after the right ends of the two supporting arms of the tray picking and delivering device are moved under the steaming plate, the up and down moving mechanism drives the two supporting arms to move up to the conveyor belt to lift the steaming plate, and then the horizontal moving mechanism, the transfer moving mechanism, the up and down moving mechanism and the tray picking and delivering device cooperate with each other, and after the left end of the steaming plate is moved into the steamer, the conveying motor works to drive the conveyor belt to move and completely push the steaming plate into the steamer, and then the steamer door is closed to automatically steam the buns. When it is necessary to bake pies, the conveyor belt transfers the buns forward to the bottom of the cake pressing device of the cake patting machine, and the cake pressing cylinder of the cake pressing device drives the cake pressing plate to move downward to press the buns into thin pancakes, and then the plate placing machine arranges the buns on the plate, and the transfer moving mechanism, the horizontal moving mechanism, the up and down moving mechanism and the tray picking and delivering device cooperate with each other to send them to the oven for baking. The present invention has the advantages of simple structure, small space occupation, full automation from bun making to mature processing, saving labor, and having the dual functions of preparing buns and pies. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the present invention.

[0012] Figure 2 It is a structural schematic diagram of the cake pressing device of the cake patty machine in the present invention.

[0013] Figure 3 It is a structural schematic diagram of a steamed bun and pie conveying device in the present invention.

[0014] Figure 4 It is a structural schematic diagram of the steam box in the closed door state in the present invention.

[0015] Figure 5 It is a structural schematic diagram of the steam box in the present invention when the door is open.

[0016] Figure 6 yes Figure 5 A partial enlarged view of point A. DETAILED DESCRIPTION

[0017] like Figure 1-6 The steamed bun and pie integrated processing system shown in the figure comprises a steamed bun machine 14, a plate placing machine 12, an oven 17 and a steamer 1, and is provided with a steamed bun and pie conveying device. The steamed bun machine 14 and the plate placing machine 12 are arranged on the right side of the steamed bun and pie conveying device, and the oven 17 and the steamer 1 are arranged on the left side of the steamed bun and pie conveying device. A pie slapping machine is arranged between the steamed bun machine 14 and the plate placing machine 12. Figure 1 , Figure 2It can be seen that the pancake slapping machine includes a pancake slapping conveyor belt 13 and a pancake pressing device. The structure of the pancake pressing device is: a mounting frame 23 is provided, a pancake pressing cylinder 21 is provided on the mounting frame 23, and a lower pressing plate 22 is provided on the piston rod of the pancake pressing cylinder 21; the pancake pressing device is installed on the bracket of the pancake slapping conveyor belt 13 through the mounting frame 23, and the lower pressing plate 22 is opposite to the upper side of the pancake slapping conveyor belt. When a bun is transported to the bottom of the lower pressing plate 22 through the pancake slapping conveyor belt, the pancake pressing cylinder 21 drives the lower pressing plate to press down and flatten the bun into a pancake. The rear end of the pancake slapping conveyor belt 13 is connected to the discharge port of the bun machine (located below the discharge port of the bun machine), and the front end is connected to the feed port of the plate setting machine 12; the front end of the pancake slapping conveyor belt can be located above the conveyor belt of the plate setting machine, or the front and rear ends of the two can be relatively connected or made into one. The structure of the steamed bun and pie transfer device is that a transfer moving mechanism that can reciprocate back and forth between the oven 17 and the steamer 1 is provided between the plate placing machine 12 and the oven 17 and the steamer 1, and a lateral moving mechanism that can reciprocate left and right is provided on the carrying platform of the transfer moving mechanism, and an up-down moving mechanism that can reciprocate up and down is provided on the carrying platform of the lateral moving mechanism, and a tray pick-up and delivery device that can reciprocate left and right is provided on the carrying platform of the up-down moving mechanism; the tray pick-up and delivery device is provided on the carrying platform of the up-down moving mechanism. Two Guide columns 4 are arranged in the left and right directions and are parallel to each other. The opposite sides of the two guide columns 4 are respectively provided with guide slots arranged in the left and right directions. The guide slots are respectively provided with support arms 2 that can slide left and right therein. The left and right ends of the two support arms 2 are respectively provided with left limit links 20 and right limit links. The left limit links 20 and right limit links are rotatably connected to the left and right ends of the two support arms 2 via bearings. The left limit links 20 and right limit links limit the two support arms 2 in the two guide slots respectively so that they can only slide left and right but cannot escape in the front and back directions. A support arm driving screw 5 and a support arm driving motor 8 are provided on the bearing platform of the up and down moving mechanism. The support arm driving motor 8 is connected to the support arm driving screw 5 and is used to drive it to rotate. A nut mounting plate is provided between the two support arms 2, and the nut 31 of the support arm driving screw 5 is mounted on the nut mounting plate. The left limit links 20 and the right limit links are provided with pulleys, and the pulleys are provided with a transmission belt 19. Figure 1 It can be seen that the front and rear ends of the left limit link 20 and the right limit link are respectively provided with pulleys, and the pulleys are respectively provided with a front conveying belt and a rear conveying belt 19. The two parallel conveying belts can transport objects more smoothly. The right limit link is provided with a transmission wheel, and a transmission motor is provided on the nut mounting plate. The output shaft of the transmission motor is provided with a driving wheel, which is connected to the transmission wheel via a belt 18. The transmission motor drives the right limit link to rotate through the belt 18, thereby driving the transmission belt to transmit forward or backward.

[0018] The structure of the transporting and moving mechanism described in the present invention is: two parallel front and rear linear guides 16 are arranged on the base 29 or the ground, and the front and rear mounting plates 9 are arranged on the load platform 26 of the two front and rear linear guides 16. The front and rear driving screws 15 are arranged on the base or the ground, and the nuts 28 on the front and rear driving screws 15 are connected to the front and rear mounting plates 9. The front and rear driving motors connected to the front and rear driving screws 15 and used to drive them to rotate are arranged on the base or the ground; the front and rear mounting plates 9 are the bearing platforms of the transporting and moving mechanism. The structure of the lateral moving mechanism is: two parallel left and right linear guides 7 are arranged on the front and rear mounting plates 9, and the left and right mounting plates 6 are arranged on the load platform of the two left and right linear guides 7. The front and rear mounting plates 9 are provided with left and right driving screws 10, and the nuts on the left and right driving screws 10 are connected to the left and right mounting plates 6. The front and rear mounting plates 9 are provided with left and right driving motors 11 connected to the left and right driving screws 10, and the left and right mounting plates 6 are the bearing platforms of the lateral moving mechanism. The up and down moving mechanism is provided with four vertically arranged lifting guide rails 25 arranged in a rectangular shape on the left and right mounting platforms 6, and the four lifting guide rails 25 are respectively provided with sliders 30 that can be lifted and slid thereon, and a lifting mounting platform 27 is provided on the sliders 30. The upper ends of the four lifting guide rails 25 are provided with fixed connecting rods that connect them to each other, and a lifting winch 24 is provided on the fixed connecting rod. The rope of the lifting winch 24 is connected to the lifting mounting platform 27, and the lifting winch 24 is used to drive the lifting and lowering of the lifting mounting platform 27, and the lifting mounting platform 27 is a bearing platform for the up and down lifting mechanism.

[0019] The present invention is further improved, the steam box 1 is provided with an automatic door opening and closing device, the structure of the automatic door opening and closing device is: a steam box door 37 is provided on the front side of the steam box 1, the right side of the steam box door 37 is hinged to the steam box body through a hinge, a mounting seat 33 is provided at the rear right side of the steam box body, a door opening and closing electric cylinder 35 is hinged on the mounting seat 33, a support rod 34 extending forward to the steam box door 37 is provided on the mounting seat 33 on the right side of the door opening and closing electric cylinder 35, the front end of the support rod 34 is hinged to the rear end of the door opening and closing swing rod 3, the front end of the door opening and closing swing rod 3 is hinged to the rear end of the door opening and closing pull rod 38, the front end of the door opening and closing pull rod 38 is hinged on the left side of the steam box door, The push rod of the door opening and closing electric cylinder 35 is hinged to the right side of the door opening and closing rocker arm 3; a forward-protruding door lock ear 41 is provided on the left side of the steam box body, and a door lock socket is provided on the door lock ear 41; a hinge seat 42 is provided at the left edge of the front side of the steam box door 37, and an L-shaped door lock pin is hinged on the hinge seat 42. The L-shaped door lock pin is composed of a locking arm 43 and a driving arm 40. The locking arm 43 and the driving arm 40 of the L-shaped door lock pin are hinged to the hinge seat 42 at the connection point, and a door lock electric cylinder 39 is hinged on the front side of the steam box door on the right side of the hinge seat. The locking arm 43 of the L-shaped door lock pin cooperates with the door lock socket, and the driving arm 40 is hinged to the push rod of the door lock electric cylinder 39. When the steamer door is closed with the steamer body, the push rod of the door locking electric cylinder pushes the driving arm of the L-shaped door locking pin to rotate around the hinge seat, driving the locking arm to rotate into the door locking hole of the door locking ear, and the driving arm continues to rotate around the hinge seat, and the mutual extrusion force between the locking arm and the door locking hole presses the steamer door against the steamer body and seals it.

[0020] When the present invention is in use, the buns automatically processed by the bun machine fall on the rear end of the conveyor belt of the pancake patting machine, and the conveyor belt transmits the buns forward. When the buns need to be steamed, the pancake pressing device of the pancake patting machine does not work, and the conveyor belt directly transmits the buns to the plate setting machine for plate setting. After the plate setting machine places the buns on the steaming plate, the transfer moving mechanism, the horizontal moving mechanism, the up and down moving mechanism and the tray picking and delivering device cooperate with each other, and after the right ends of the two supporting arms of the tray picking and delivering device are moved under the steaming plate, the up and down moving mechanism drives the two supporting arms to move up to the conveyor belt to lift the steaming plate, and then the horizontal moving mechanism, the transfer moving mechanism, the up and down moving mechanism and the tray picking and delivering device cooperate with each other, and after the left end of the steaming plate is moved into the steamer, the conveying motor works to drive the conveyor belt to move and completely push the steaming plate into the steamer, and then the steamer door is closed to automatically steam the buns. When it is necessary to bake pies, the conveyor belt transfers the buns forward to the bottom of the cake pressing device of the cake patting machine, and the cake pressing cylinder of the cake pressing device drives the cake pressing plate to move downward to press the buns into thin pancakes, and then the plate placing machine arranges the buns on the plate, and the transfer moving mechanism, the horizontal moving mechanism, the up and down moving mechanism and the tray picking and delivering device cooperate with each other to send them to the oven for baking. The present invention has the advantages of simple structure, small space occupation, full automation from bun making to mature processing, saving labor, and having the dual functions of preparing buns and pies.

Claims

1. A system for processing steamed buns and pies, comprising a steamed bun machine, a plate placing machine, an oven and a steamer, characterized in that A steamed bun and pie transfer device is provided, a steamed bun machine and a plate placing machine are arranged on the right side of the steamed bun and pie transfer device, an oven and a steamer are arranged on the left side of the steamed bun and pie transfer device, a cake patting machine is provided between the steamed bun machine and the plate placing machine, a rear end of the conveyor belt of the cake patting machine is connected to the discharge port of the steamed bun machine, and a front end is connected to the inlet of the plate placing machine, the structure of the steamed bun and pie transfer device is that a transfer moving mechanism that can reciprocate back and forth between the oven and the steamer is provided between the plate placing machine and the oven and the steamer, a lateral moving mechanism that can reciprocate left and right is provided on the bearing platform of the transfer moving mechanism, an up-down moving mechanism that can reciprocate up and down is provided on the bearing platform of the lateral moving mechanism, and a up-down moving mechanism that can reciprocate left and right is provided on the bearing platform of the up-down moving mechanism The pallet picking and delivering device of the present invention comprises two guide columns which are arranged in left and right directions and are parallel to each other on the bearing platform of the up and down moving mechanism, guide slide grooves which are arranged in left and right directions are respectively arranged on the opposite sides of the two guide columns, support arms which can slide left and right therein are respectively arranged in the guide slide grooves, left and right end portions of the two support arms are respectively provided with left limit connecting rods and right limit connecting rods, the left limit connecting rods and the right limit connecting rods are respectively rotatably connected to the left and right end portions of the two support arms via bearings, a support arm driving screw and a support arm driving motor are respectively arranged on the bearing platform of the up and down moving mechanism, the support arm driving motor is connected to the support arm driving screw for driving the same to rotate, a nut mounting plate is arranged between the two support arms, and the support The nut of the support arm driving screw is installed on the nut mounting plate; the left limit link and the right limit link are provided with pulleys, the pulleys are provided with a transmission belt, the right limit link is provided with a transmission wheel, the nut mounting plate is provided with a transmission motor, the output shaft of the transmission motor is provided with a driving wheel, and the driving wheel is connected to the transmission wheel via a belt; the structure of the transfer movement mechanism is: the base is provided with two front and rear linear guides parallel to each other and arranged in the front and rear directions, the load platforms of the two front and rear linear guides are provided with front and rear mounting plates, the base is provided with front and rear driving screws, the nuts on the front and rear driving screws are connected to the front and rear mounting plates, and the base is provided with front and rear driving motors connected to the front and rear driving screws; the structure of the lateral movement mechanism is: Two left and right linear guide rails parallel to each other and arranged in the left and right directions are provided on the front and rear mounting plates, left and right mounting plates are provided on the load platforms of the two left and right linear guide rails, left and right driving screws are provided on the front and rear mounting plates, nuts on the left and right driving screws are connected to the left and right mounting plates, and left and right driving motors connected to the left and right driving screws are provided on the front and rear mounting plates; the up and down moving mechanism is that four vertically arranged lifting rails are provided on the left and right mounting plates, and sliders which can be lifted and slid thereon are respectively provided on the four lifting rails, and a lifting mounting plate is provided on the slider, and fixed connecting rods connecting them to each other are provided at the upper ends of the four lifting rails, and a lifting winch is provided on the fixed connecting rod, and the lifting winch is connected to the lifting mounting plate.

2. The integrated processing system for steamed buns and pies according to claim 1, characterized in that The steam box is provided with an automatic door opening and closing device, and the structure of the automatic door opening and closing device is as follows: a steam box door is provided on the front side of the steam box, the right side of the steam box door is hinged to the steam box body via a hinge, a mounting seat is provided at the rear right side of the steam box body, a door opening and closing electric cylinder is hinged on the mounting seat, a support rod extending forward to the steam box door is provided on the mounting seat on the right side of the door opening and closing electric cylinder, the front end of the support rod is hinged to the rear end of the door opening and closing swing rod, the front end of the door opening and closing swing rod is hinged to the door opening and closing pull rod, the door opening and closing pull rod is hinged to the steam box door, and the door opening and closing device is provided with a steam box door. The push rod of the electric cylinder is hinged with the door opening and closing rocker arm; a forwardly protruding door locking ear is provided on the left side of the steamer box body, and a door locking socket is provided on the door locking ear; a hinged seat is provided on the left side of the front side of the steamer door, and an L-shaped door locking pin is hinged on the hinged seat. The L-shaped door locking pin consists of a locking arm and a driving arm, and the connecting part of the locking arm and the driving arm of the L-shaped door locking pin is hinged to the hinged seat; a door locking electric cylinder is hinged on the front side of the steamer door on the right side of the hinged seat, and the locking arm of the L-shaped door locking pin cooperates with the door locking socket, and the driving arm is hinged to the push rod of the door locking electric cylinder.

Citation Information

Patent Citations

  • Steamed stuffed bun and pie integrated processing system

    CN214229735U