Anti-jamming pushing device and automatic pushing mechanism

Abstract

The utility model relates to a kind of anti-jamming pusher and automatic pusher mechanism, including second guide rod, pusher plate, sliding sleeve seat, gasket and bolt, the sliding sleeve seat is provided with circular head, the sliding sleeve seat is in sliding mode and is placed on second guide rod;The pusher plate is opened with the rotating mouth of the size greater than circular head;The size of gasket is greater than the size of rotating mouth;Circular head is inserted into rotating mouth, gasket sits on pusher plate, the bolt passes through gasket and locks circular head, realize sliding sleeve seat and pusher plate connection, the sliding sleeve seat or pusher plate rotates with bolt as rotating center.The circular head is inserted into the rotating mouth of pusher plate, and is locked by gasket and bolt to form relatively movable connection, so that sliding sleeve seat or pusher plate can rotate slightly around bolt, and the attitude can be automatically adjusted according to actual load during pushing process, to relieve the jamming problem caused by guiding deviation or uneven stress.

Description

Technical Field

[0001] This utility model relates to a material pushing device and an automatic material pushing mechanism that prevent jamming. Background Technology

[0002] With the rapid development of the catering industry, large restaurants, group catering canteens, and central kitchens have placed higher demands on the efficiency and automation level of food pre-processing. Traditional food cutting methods are mostly manual, which suffers from problems such as high labor intensity, low efficiency, high personnel costs, and unstable cutting results, making it difficult to meet the needs of modern catering processing for standardization, high efficiency, and continuous operation.

[0003] To address these issues, various automated vegetable cutting devices have emerged on the market to replace manual labor in the food cutting process. Automated vegetable cutting devices typically include a feeding trough and a pushing mechanism to continuously feed the food into the cutting area for continuous cutting. However, existing pushing mechanisms generally suffer from low positioning accuracy, insufficient rigidity of the transmission structure, and uneven force distribution. Particularly during the pushing process, inaccurate guidance or accumulated gaps in transmission components can easily lead to uneven loading, causing jamming between the pushing plate and the guide structure. This not only affects cutting efficiency but can also, in severe cases, cause equipment shutdown and component damage. Utility Model Content

[0004] The primary objective of this invention is to provide a feeding device with adaptive adjustment capability and anti-jamming function.

[0005] The second objective of this invention is to provide an automatic feeding mechanism with adaptive adjustment capability and anti-jamming function.

[0006] The third objective of this invention is to provide an automatic feeding mechanism with adaptive adjustment capability and anti-jamming function.

[0007] The primary objective of this invention is achieved as follows:

[0008] A material pushing device for preventing jamming includes a second guide rod, a pusher plate, a sliding sleeve seat, a washer, and a bolt. The sliding sleeve seat is provided with a circular head and is slidably fitted onto the second guide rod.

[0009] The pusher plate has a rotating opening larger than the circular head;

[0010] The size of the gasket is larger than the size of the rotating opening;

[0011] The circular head is inserted into the rotating port, the gasket sits on the push plate, and the bolt passes through the gasket to lock the circular head, thereby connecting the sliding sleeve seat and the push plate. The sliding sleeve seat or push plate rotates around the bolt as the rotation center.

[0012] The round head is inserted into the rotating port of the pusher plate and locked with a gasket and bolt to form a relatively micro-movable connection, so that the sliding sleeve seat or pusher plate can rotate slightly around the bolt. During the pushing process, the posture can be automatically adjusted according to the actual load to alleviate the jamming problem caused by guide deviation or uneven force.

[0013] This structure achieves efficient material feeding while passively preventing jamming without the need for complex sensors or feedback systems. It is simple in structure, low in manufacturing cost, and particularly suitable for vegetable cutting equipment with compact space and fast operating pace.

[0014] The primary objective of this utility model can also be achieved by the following technical measures:

[0015] Furthermore, the pusher plate includes a pusher part and a transmission part, the pusher part and the transmission part are connected, the transmission part has the rotation port, the gasket sits on the transmission part, the bolt passes through the gasket and locks the circular head, realizing the connection between the sliding sleeve seat and the transmission part, and the sliding sleeve seat or pusher plate rotates with the bolt as the rotation center.

[0016] The pusher plate is divided into two parts: the pusher section and the transmission section. The pusher section focuses on pushing the material, while the transmission section is connected to the sliding sleeve seat. The functions are clearly defined, which helps in the modular design and maintenance of the overall structure.

[0017] The transmission part has a rotating port and forms a pivot connection with the circular head of the sliding sleeve seat. It is locked with a gasket and bolts, so that the sliding sleeve seat or push plate has a certain degree of swing freedom, which effectively alleviates the jamming problem caused by slight deviation or lateral force during the movement.

[0018] This structure not only ensures connection stability but also has fine-tuning capabilities. During high-frequency reciprocating feeding operations, it can adaptively adjust the feeding posture, thereby significantly improving the stability and reliability of equipment operation.

[0019] Furthermore, the sliding sleeve seat includes a seat body and a sleeve body, the seat body has an opening, and the top of the seat body is provided with the circular head;

[0020] The sleeve is provided with a second guide channel;

[0021] The sleeve is inserted into the socket, and the sleeve and the base are connected to form the sliding sleeve base;

[0022] The second guide rod passes through the second guide channel, realizing the sliding connection between the sliding sleeve seat and the second guide rod.

[0023] The sliding sleeve base consists of a base body and a sleeve body, with a clear structure and simple manufacturing. The sleeve body and the base body are fixed by insertion through a socket, which facilitates assembly and subsequent disassembly and maintenance.

[0024] The sleeve is provided with a second guide channel, which can slide with the second guide rod, so that the entire sliding sleeve can slide stably in a straight line along the direction of the guide rod.

[0025] This design makes the sliding guidance of the feeding device more stable and reliable, while the split structure facilitates the replacement and upgrading of different specifications of sliding sleeve components, improving the equipment's versatility and maintenance convenience.

[0026] Furthermore, the diameter of the second guide channel is larger than the diameter of the second guide rod.

[0027] By designing the diameter of the second guide channel to be slightly larger than that of the second guide rod, a suitable gap is reserved while ensuring normal sliding function, thus achieving a small amount of movement space.

[0028] This minute gap provides the sliding sleeve with adaptive adjustment capability when subjected to uneven material distribution or lateral disturbances, which can effectively alleviate the jamming problem during the sliding process.

[0029] This structural design cleverly balances guiding accuracy and anti-interference capability, which helps to improve the stability and service life of the feeding device.

[0030] The second objective of this utility model is achieved as follows:

[0031] An automatic feeding mechanism includes a pushing device, which includes a drive motor, a push rod, and a transmission assembly for converting rotary motion into linear motion. One end of the transmission assembly is connected to the drive motor, and the other end of the transmission assembly is connected to the push rod. The other end of the push rod abuts against a transmission plate. The drive motor drives the push rod to move linearly through the transmission assembly, and the push rod pushes the transmission plate to move linearly along the length direction of a second guide rod.

[0032] In this automatic feeding mechanism, one end of the push rod abuts against the transmission plate. The push rod converts the rotational motion into linear motion with the help of the drive motor and transmission components. The push rod acts directly on the transmission plate and drives the entire feeding plate to move along the direction of the second guide rod through the sliding sleeve seat, so that the feeding process is smooth and highly accurate.

[0033] Combined with an anti-jamming structure, it effectively prevents jamming during material feeding and improves the overall stability of the machine.

[0034] The third objective of this utility model is achieved as follows:

[0035] An automatic feeding mechanism includes a pushing device, which includes a drive motor, a push rod, and a transmission assembly for converting rotary motion into linear motion. One end of the transmission assembly is connected to the drive motor, and the other end of the transmission assembly is connected to the push rod. The other end of the push rod is connected to a transmission plate. The drive motor drives the push rod to move linearly through the transmission assembly, and the push rod drives the transmission plate to move linearly along the direction of a second guide rod.

[0036] The push rod and the transmission plate are fixedly connected, which further improves the transmission accuracy and avoids energy loss caused by intermediate contact.

[0037] The push rod and the transmission plate are rigidly connected, allowing the push rod to drive the transmission plate to slide back and forth more directly and stably, which helps to improve the pushing accuracy and reliability.

[0038] Combined with an anti-jamming structure, it can maintain smooth operation even under high load or complex food conditions, significantly reducing the failure rate and downtime risk.

[0039] The beneficial effects of this utility model are as follows:

[0040] In this invention, a circular head is inserted into the rotating opening of the pusher plate and locked with a gasket and bolt to form a relatively micro-movable connection, allowing the sliding sleeve or pusher plate to rotate slightly around the bolt. During the pushing process, the posture can be automatically adjusted according to the actual load, alleviating the jamming problem caused by guide deviation or uneven force.

[0041] In this invention, the diameter of the second guide channel is slightly larger than the diameter of the second guide rod. While ensuring the normal sliding function of the sliding sleeve seat, an appropriate gap is reserved to realize a small amount of activity space. This small gap provides the sliding sleeve seat with adaptive adjustment capability when subjected to uneven material or lateral interference, which can effectively alleviate the jamming problem during the sliding process. Attached Figure Description

[0042] Figure 1 This is a schematic diagram of a vegetable cutter.

[0043] Figure 2 This is a schematic diagram of the vegetable cutter from another angle.

[0044] Figure 3 This is a schematic diagram of a vegetable cutter (with the lid open).

[0045] Figure 4 This is a schematic diagram of a vegetable cutter (with the lid open and the dicing plate separated).

[0046] Figure 5 This is a schematic diagram of a vegetable cutter (with the lid open, the dicing plate separated, and the cutting blade plate separated).

[0047] Figure 6 This is an assembly drawing of the diced sheet and the diced mesh sheet.

[0048] Figure 7 This is a schematic diagram of a vegetable cutter (part of the main unit is removed, and the push rod and push plate are moved to the front of the feed trough).

[0049] Figure 8This is a schematic diagram of the combination of the automatic feeding mechanism and the feeding trough (the push rod and the push plate move to the front end of the feeding trough).

[0050] Figure 9 This is a schematic diagram of a vegetable cutter (part of the main unit is removed, and the pusher plate slides to the rear end of the feed trough).

[0051] Figure 10 This is a schematic diagram of the automatic feeding mechanism and the feed chute assembly (the push rod and push plate slide to the rear end of the feed chute).

[0052] Figure 11 Another angle view of the automatic feeding mechanism and feed chute assembly (the push rod and push plate slide to the rear end of the feed chute).

[0053] Figure 12 This is a top view of the automatic feeding mechanism and the feed chute assembly.

[0054] Figure 13 for Figure 12 AA sectional view.

[0055] Figure 14 for Figure 12 BB cross-sectional view.

[0056] Figure 15 This is a schematic diagram of the automatic feeding mechanism and the feed chute assembly (the push rod moves to the front end of the feed chute, and the push plate is located at the rear end of the feed chute).

[0057] Figure 16 This is a schematic diagram of the automatic feeding mechanism and the feed trough combination (the push rod moves to the front end of the feed trough, and the push plate slides towards the front end of the feed trough under the elastic force of the spring).

[0058] Figure 17 This is a schematic diagram of the feeding device.

[0059] Figure 18 This is a top view of the feeding device.

[0060] Figure 19 This is a partial exploded view of the feeding device.

[0061] Figure 20 This is a partially exploded view of the feeding device from another angle.

[0062] Figure 21 This is an exploded view of the feeding device. Detailed Implementation

[0063] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0064] Implementation examples, in conjunction with Figures 1 to 21As shown, a vegetable cutter includes a main unit box 1 and a cutting box 2. The main unit box 1 is provided with a feeding trough 11, a cutting motor and an automatic feeding mechanism. The main unit box 1 has a discharge port 12 at the position corresponding to the feeding trough 11.

[0065] The cutting box 2 has a built-in cutting disc 3. The bottom of the cutting box 2 is provided with a discharge port 21. The cutting box 2 is connected to the main unit box 1. The cutting box 2 has a feed port 22 that connects to the feed trough 11. The cutting motor is connected to the cutting disc 3. The cutting motor drives the cutting disc 3 to rotate and cut vegetables.

[0066] The automatic feeding mechanism includes a pushing device 4 and a feeding device 5. The feeding device 5 includes a second guide rod 51, a feeding plate 52, a sliding sleeve seat 53, and a spring 54. The second guide rod 51 is mounted on the main unit housing 1. The sliding sleeve seat 53 is slidably mounted on the second guide rod 51. The spring 54 is mounted on the second guide rod 51. One end of the spring 54 abuts against the sliding sleeve seat 53, and the other end of the spring 54 abuts against the inside of the main unit housing 1. The spring 54 constitutes a reset mechanism for the sliding sleeve seat 53. The feeding plate 52 is slidably placed in the feed trough 11 and connected to the sliding sleeve seat 53.

[0067] The pushing device 4 includes a drive motor, a transmission component for converting rotational motion into linear motion, and a push rod 41. The drive motor, transmission component, and push rod 41 are disposed inside the main unit housing 1. One end of the transmission component is connected to the drive motor, and the other end of the transmission component is connected to the push rod 41. One end of the push rod 41 extends toward the center of the push plate 52.

[0068] The drive motor drives the push rod 41 to move linearly through the transmission assembly, causing the push rod 41 to push the push plate 52 or move away from the push plate 52.

[0069] Furthermore, the transmission assembly includes a lead screw 42, a slide block 43, and a first guide rod 44. The slide block 43 has a threaded channel 431 and a first guide channel 432. The lead screw 42 and the first guide rod 44 are disposed inside the main housing 1. The lead screw 42 passes through the threaded channel 431, and the first guide rod 44 passes through the first guide channel 432. The first guide rod 44 defines the sliding direction of the slide block 43. The drive motor drives the lead screw 42 to rotate, and the slide block 43 slides along the length direction of the lead screw 42. The push rod 41 is connected to the slide block 43.

[0070] Furthermore, the pusher plate 52 includes a pusher part 521 and a transmission part 522, the pusher part 521 and the transmission part 522 are connected, the transmission part 522 is connected to the sliding sleeve seat 53, and the pusher part 521 is placed in the feed groove 11.

[0071] Furthermore, it also includes a bolt 10 and a washer 20. The sliding sleeve seat 53 is provided with a circular head 531. The transmission part 522 has a rotation opening 5221 with a size larger than the circular head 531. The size of the washer 20 is larger than the size of the rotation opening 5221. The circular head 531 is inserted into the rotation opening 5221. The washer 20 sits on the transmission part 522. The bolt 10 passes through the washer 20 and locks the circular head 531, thereby connecting the sliding sleeve seat 53 and the transmission part 522. The sliding sleeve seat 53 or the transmission part 522 rotates with the bolt 10 as the rotation center.

[0072] Furthermore, the sliding sleeve seat 53 includes a seat body 532 and a sleeve body 533. The seat body 532 has an insertion port 5321, and the top of the seat body 532 is provided with the circular head 531.

[0073] The sleeve 533 is provided with a second guide channel 5331;

[0074] The sleeve 533 is inserted into the socket 5321, and the sleeve 533 and the seat 532 are connected to form the sliding sleeve seat 53;

[0075] The second guide rod 51 passes through the second guide channel 5331, realizing the sliding connection between the sliding sleeve seat 53 and the second guide rod 51.

[0076] Furthermore, the diameter of the second guide channel 5331 is larger than the diameter of the second guide rod 51.

[0077] Furthermore, an insertion cavity 6 is provided at the center of the side wall of the transmission part 522, and an insertion part 411 with a size smaller than that of the insertion cavity 6 is provided at the end of the push rod 41. The push rod 41 slides to drive the insertion part 411 into or out of the insertion cavity 6.

[0078] Furthermore, the inner wall of the insertion cavity 6 is provided with a shock-absorbing pad 61.

[0079] Furthermore, it also includes a control panel 7, a first micro switch 71, a second micro switch 72 and a third micro switch 73. The first micro switch 71 is disposed on the main unit 1 away from the feed inlet 22, and the second micro switch 72 and the third micro switch 73 are disposed on the main unit 1 near the feed inlet 22.

[0080] The control panel 7 is mounted on the main unit 1. The first micro switch 71, the second micro switch 72, the third micro switch 73, the cutting motor and the drive motor are electrically connected to the control panel 7 respectively.

[0081] When the slide block 43 slides away from the feed inlet 22, the slide block 43 touches the first micro switch 71, the first micro switch 71 sends a signal to the control panel 7, and the control panel 7 controls the cutting motor and the drive motor to stop.

[0082] When the slide block 43 slides close to the feed inlet 22, the slide block 43 touches the second micro switch 72, and the second micro switch 72 sends a signal to the control panel 7, and the control panel 7 controls the drive motor to stop.

[0083] When the sliding sleeve 53 slides close to the feed inlet 22, the sliding sleeve 53 touches the third micro switch 73, and the third micro switch 73 sends a signal to the control panel 7. The control panel 7 controls the cutting motor to stop and starts the drive motor.

[0084] Furthermore, the cutting box 2 also includes a cover 23, a housing 24, a lock 8, a cutting plate 9, and a locking bolt 30;

[0085] The housing 24 is connected to the main unit 1. The housing 24 has a feed port 22 at the position corresponding to the feed groove 11. The top of the housing 24 has a locking groove 241. The bottom of the housing 24 has a discharge port 21. The bottom of the housing 24 has a bolt hole 242 above the discharge port 21.

[0086] The cutting blade 3 is detachably rotatably mounted on the housing 24;

[0087] The dicing plate 9 is provided with a dicing grid plate 91, and the bottom of the dicing plate 9 is provided with a bolt through hole 92;

[0088] The upper end of the dicing plate 9 is inserted into the locking groove 241, and the locking bolt 30 passes through the bolt through hole 92 to lock the bolt hole 242, so that the dicing plate 9 is fixed on the housing 24, so that the dicing grid plate 91 and the feed inlet 22 stand opposite each other, and the cutting blade 3 is located between the dicing plate 9 and the housing 24.

[0089] The face cover 23 and the housing 24 are rotatably connected, and the lock 8 is provided on the housing 24. The face cover 23 and the housing 24 are locked or unlocked by the lock 8.

[0090] Furthermore, the dicing plate 9 has an opening 93, and the dicing grid plate 91 is detachably disposed on the dicing plate 9 to close the opening 93.

[0091] Furthermore, it also includes a connecting bolt 40. The back of the dicing plate 9 is provided with an installation cavity 94. The bottom of the installation cavity 94 has the opening 93. The dicing mesh plate 91 is placed in the installation cavity 94. The connecting bolt 40 passes through the installation cavity 94 to lock the dicing mesh plate 91, thereby realizing the connection between the dicing mesh plate 91 and the dicing plate 9.

[0092] Furthermore, the lock 8 is a knob, the knob has a lock groove 81, and the knob is mounted on the housing 24 in a rotating manner;

[0093] The face cover 23 is provided with a locking rod 231. When the face cover 23 is close to the housing 24, the locking rod 231 abuts against the entrance of the locking groove 81. By rotating the knob, the locking rod 231 enters or leaves the locking groove 81, thereby locking or separating the face cover 23 and the housing 24.

[0094] Installation method for diced board 9:

[0095] First, open the cover 23 of the cutting box 2, insert the upper end of the cutting plate 9 into the locking groove 241 at the top of the housing 24 to achieve upper positioning, then align the bolt through hole 92 at the bottom of the cutting plate 9 with the bolt hole 242 at the bottom of the housing 24, and use the locking bolt 30 to fix the lower part. After completion, close the cover 23 and rotate the lock 8 to make the locking rod 231 engage with the locking groove 81, thus completing the quick installation of the cutting plate 9.

[0096] How to operate a vegetable cutter:

[0097] First, power on the vegetable cutter. The control panel 7 starts the drive motor, which drives the lead screw 42 to rotate, causing the slide block 43 to slide along the length of the lead screw 42. The push rod 41 moves with the slide block 43, touches the push plate 52, and pushes the push plate 52 to the rear end of the feed trough 11 to compress the spring 54 and trigger the first micro switch 71. The cutting motor and the drive motor both stop running, and the push plate 52 is locked in the "waiting for material" position.

[0098] Next, the user puts the ingredients into the feed trough 11 through the feed port 12.

[0099] Next, the user presses the "Start" button on the control panel 7, the drive motor restarts, the cutting motor starts, the drive motor drives the lead screw 42 to rotate, causing the slide 43 to slide along the length of the lead screw 42, the push rod 41 moves with the slide 43, the push rod 41 moves away from the push plate 52 and slides to the front end of the feed chute 11 until the slide 43 triggers the second micro switch 72, and the drive motor stops.

[0100] Next, the cutting motor drives the cutting disc 3 to rotate, while the spring 54 resets and pushes the pusher plate 52 forward slowly through the sliding sleeve seat 53, continuously feeding the ingredients into the feed inlet 22. The cutting disc 3 cuts the ingredients that enter the cutting box 2 through the feed inlet 22, and the cut pieces are discharged from the discharge outlet 21.

[0101] Finally, as the pusher plate 52 and the sliding sleeve seat 53 slide to the front end of the feed trough 11, the sliding sleeve seat 53 touches the third micro switch 73, the cutting motor stops, the drive motor starts again, the drive motor drives the lead screw 42 to rotate, causing the slide seat 43 to slide along the length of the lead screw 42, the push rod 41 moves with the slide seat 43, the push rod 41 touches the pusher plate 52 and pushes the pusher plate 52 to the rear end of the feed trough 11 to compress the spring 54 and trigger the first micro switch 71, the cutting motor and the drive motor both stop running, the pusher plate 52 is locked in the "waiting for material" position, completing a complete "discharge-feeding-cutting-reset" process, which can be reused continuously.

[0102] The anti-jamming principle of the pusher plate 52:

[0103] First, the push rod 41 applies force from the center of the push plate 52 to ensure uniform force distribution and eliminate eccentric load.

[0104] Secondly, the lead screw 42 and the first guide rod 44 provide rigid guidance to ensure that the push rod 41 and the slide block 43 slide in a straight line.

[0105] Furthermore, the sliding sleeve 53 slides on the second guide rod 51, and its second guide channel 5331 has a slight gap relative to the second guide rod 51, retaining a small swing space. The sliding sleeve 53 can achieve adaptive fine adjustment when subjected to lateral force, reducing the risk of jamming.

[0106] In addition, the sliding sleeve seat 53 and the transmission part 522 are connected by a pivotal connection through a circular head 531, a gasket 20 and a bolt 10, which also has the ability to automatically adjust. Under uneven force conditions, it can swing slightly to compensate for the unevenness of the operation, further improving the smoothness of operation and preventing jamming.

Claims

1. A material pushing device to prevent jamming, comprising a second guide rod, a pusher plate, a sliding sleeve seat, a washer, and bolts, characterized in that: The sliding sleeve seat is provided with a circular head, and the sliding sleeve seat is slidably fitted onto the second guide rod; The pusher plate has a rotating opening larger than the circular head; The size of the gasket is larger than the size of the rotating opening; The circular head is inserted into the rotating port, the gasket sits on the push plate, and the bolt passes through the gasket to lock the circular head, thereby connecting the sliding sleeve seat and the push plate. The sliding sleeve seat or push plate rotates around the bolt as the rotation center.

2. The anti-jamming feeding device according to claim 1, characterized in that: The pusher plate includes a pusher part and a transmission part, which are connected. The transmission part has a rotation port. The gasket sits on the transmission part. The bolt passes through the gasket and locks the circular head, thereby connecting the sliding sleeve seat and the transmission part. The sliding sleeve seat or pusher plate rotates around the bolt as the rotation center.

3. The anti-jamming feeding device according to claim 1, characterized in that: The sliding sleeve includes a base and a sleeve. The base has an opening and the top of the base is provided with the circular head. The sleeve is provided with a second guide channel; The sleeve is inserted into the socket, and the sleeve and the base are connected to form the sliding sleeve base; The second guide rod passes through the second guide channel, realizing the sliding connection between the sliding sleeve seat and the second guide rod.

4. The anti-jamming feeding device according to claim 3, characterized in that: The diameter of the second guide channel is larger than the diameter of the second guide rod.

5. An automatic feeding mechanism comprising the anti-jamming feeding device as described in any one of claims 1-4, characterized in that: The device includes a pushing device, which comprises a drive motor, a push rod, and a transmission assembly for converting rotational motion into linear motion. One end of the transmission assembly is connected to the drive motor, and the other end is connected to the push rod. The other end of the push rod rests against a transmission plate. The drive motor drives the push rod to move linearly through the transmission assembly, and the push rod pushes the transmission plate to move linearly along the length direction of the second guide rod.

6. An automatic feeding mechanism comprising the anti-jamming feeding device as described in any one of claims 1-4, characterized in that: The device includes a pushing device, which comprises a drive motor, a push rod, and a transmission assembly for converting rotational motion into linear motion. One end of the transmission assembly is connected to the drive motor, and the other end is connected to the push rod. The other end of the push rod is connected to a transmission plate. The drive motor drives the push rod to move linearly through the transmission assembly, and the push rod drives the transmission plate to move linearly along the direction of the second guide rod.

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