Transfer mechanism

Abstract

The utility model provides a transferring mechanism which comprises a support, a moving mechanism, a lifting mechanism and a lifting mechanism. The transferring assembly is arranged on the working table, and the transferring assembly is movably arranged relative to the working table; a buffer pipe and a telescopic plate are arranged on the transferring assembly, the buffer pipe is used for receiving the conveying bottles, the telescopic plate is arranged at the bottom of the buffer pipe and used for preventing the conveying bottles from falling off, the telescopic plate is movably arranged relative to the buffer pipe, and a first opening is formed in the telescopic plate; and the negative pressure pipe is arranged on the side, away from the transferring assembly, of the workbench, the negative pressure pipe and the buffer pipe are correspondingly arranged, the buffer pipe and the negative pressure pipe are connected or disconnected through movement of the first opening, and the conveying bottle is sucked to a receiving station through the negative pressure pipe. The transferring mechanism solves the technical problem that the conveying distance of a pneumatic pipeline conveying system is limited in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline transmission equipment, in particular to a transfer mechanism. Background Art

[0002] As modernization construction becomes more and more perfect, the management systems of various industries have also been deepened and reformed. For example, traditional material distribution is no longer limited to the distribution method of "distribution personnel + trolley + elevator", but adopts a pneumatic pipeline transmission system. The pipeline transmission system can accurately and efficiently transmit the items in the transmission bottle to the receiving station through the pipeline. Its advantages such as low maintenance cost, high flexibility, energy saving and environmental protection are widely used in industries such as banks, hospitals, and administrative centers.

[0003] However, the pneumatic transmission system uses the flow of air itself to transport items. Its working principle is to use gas or compressed air as a power source, put the items into the transmission bottle, and use the airflow to push the transmission bottle to move to another location. Therefore, the transmission distance and transmission height of the pneumatic pipeline transmission system need to be within a certain range, which limits the use of the pneumatic pipeline transmission system.

[0004] Therefore, the prior art needs to be further developed. Utility Model Content

[0005] The purpose of the utility model is to overcome the above technical deficiencies and provide a transfer mechanism to solve the technical problem of limited conveying distance of pneumatic pipeline transmission systems in related technologies.

[0006] In order to achieve the above technical objectives, the utility model adopts the following technical solutions: a transferring mechanism is provided, including: a bracket, a workbench is arranged on the bracket; a transferring assembly, the transferring assembly is arranged on the workbench, and the transferring assembly is movably arranged relative to the workbench; a buffer tube and a telescopic plate are arranged on the transferring assembly, the buffer tube is used to receive the transmission bottle, the telescopic plate is arranged at the bottom of the buffer tube, and is used to prevent the transmission bottle from falling, the telescopic plate is movably arranged relative to the buffer tube, and a first opening is arranged on the telescopic plate; a negative pressure tube, the negative pressure tube is arranged on the side of the workbench away from the transferring assembly, the negative pressure tube is arranged corresponding to the buffer tube, and moves through the first opening to connect or disconnect the buffer tube and the negative pressure tube, and the transmission bottle is sucked to the receiving station through the negative pressure tube.

[0007] Furthermore, the transfer mechanism also includes a driving component, which is connected to the transfer component, and the driving component drives the transfer component to move, so that the cache tube drives the transmission bottle to move.

[0008] Furthermore, the transfer mechanism also includes a switch assembly, which is connected to the telescopic plate, and the switch assembly includes: a transfer plate, on which the cache tube is arranged; a bottom plate, which is spaced apart from the transfer plate, the telescopic plate is located between the transfer plate and the bottom plate, and a second opening is arranged on the bottom plate, and the second opening is arranged corresponding to the first opening; the switch assembly drives the telescopic plate to move, and the telescopic plate drives the first opening to move between the transfer plate and the bottom plate, thereby connecting the cache tube, the first opening and the second opening, so that the transmission bottle in the cache tube falls into the negative pressure tube.

[0009] Furthermore, the switch assembly also includes: a first motor, the first motor is fixed on the transfer plate; a gear set, the output end of the first motor is connected to the gear set; a rack, the gear set passes through the transfer plate and meshes with the rack, the rack is fixed at one end of the telescopic plate, drives the gear set to rotate, and the rack drives the telescopic plate to move, thereby moving the first opening.

[0010] Furthermore, the transfer assembly also includes: a slide rail, which is arranged on the workbench; a slider, one end of which is connected to the base plate, and the other end of which is connected to the slide rail, and the slider is movably arranged relative to the slide rail.

[0011] Furthermore, a connecting space is provided on the workbench, and a plurality of negative pressure tubes are arranged in the connecting space. The slide rail includes a first slide rail and a second slide rail, and the first slide rail and the second slide rail are respectively arranged at two ends of the connecting space. The slider includes a first slider and a second slider, and the first slider and the second slider are respectively arranged at two ends of the bottom plate, so that the first slider moves on the first slide rail and the second slider moves on the second slide rail.

[0012] Furthermore, a slide rail protrusion is arranged on the workbench, a groove is arranged in the middle of the slide block, and the slide rail is clamped in the groove.

[0013] Furthermore, the driving assembly includes: a second motor, which is arranged on the bracket; two pulleys, which are respectively arranged at both ends of the bracket; a belt, which is arranged around the two pulleys, and the two pulleys are both arranged between the transfer plate and the first slide rail, so that the belt is located between the transfer plate and the first slide rail; the transfer assembly also includes a pair of clamps, which are arranged at one end of the bottom plate close to the first slide rail, and the clamp pair clamps the belt, so that when the second motor drives the pulley to rotate, the belt drives the transfer assembly to move.

[0014] Furthermore, the transfer assembly also includes a roller assembly, which is located at one end of the telescopic plate away from the rack, and both ends of the roller assembly are respectively connected to the transfer plate and the base plate, and the rollers on the roller assembly are rotatably arranged relative to the transfer plate and the base plate.

[0015] Furthermore, the roller sleeve is arranged on the fixed rod, one end of the fixed rod is connected to the transfer plate, and the other end of the fixed rod is connected to the base plate. The roller is located between the transfer plate and the base plate. When the rack drives the telescopic plate to move, the roller rotates around the fixed rod; there are multiple roller assemblies, and each roller assembly is arranged at intervals along the moving direction of the telescopic plate.

[0016] Beneficial effects:

[0017] 1. The transfer bottle is transferred by the transfer mechanism of the utility model, which extends the conveying distance of the pneumatic pipeline transmission system and expands the application range of the pneumatic pipeline transmission system.

[0018] 2. The transfer mechanism of the utility model is adopted, and the controller is connected with each motor and sensor signal, so that the transmission bottle is automatically moved into the corresponding negative pressure pipe in the pipeline transmission system, reducing manpower and realizing the automation of the pipeline transmission system.

[0019] 3. With the transfer mechanism of the utility model, one end of the telescopic plate is telescoped by moving the rack, and the other side is used in conjunction with a roller assembly to reduce friction with the plate surface and improve the flexibility of the telescopic movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the transfer mechanism adopted in the embodiment of the utility model;

[0021] Figure 2 It is a structural schematic diagram of a switch assembly used in an embodiment of the utility model;

[0022] Figure 3 is an exploded view of a switch assembly used in an embodiment of the utility model;

[0023] Figure 4 It is a schematic diagram of the structure of the driving assembly used in the embodiment of the utility model;

[0024] Figure 5 yes Figure 2 A partial enlarged view of part A;

[0025] Figure 6 It is a structural schematic diagram of the telescopic plate of the transfer assembly adopted in the embodiment of the utility model.

[0026] The above drawings include the following reference numerals:

[0027] 1. Bracket; 11. Workbench; 111. Connecting space; 2. Transfer assembly; 21. Cache tube; 22. Telescopic plate; 221. First opening; 222. Buffer pad; 23. Slide rail; 231. First slide rail; 232. Second slide rail; 24. Slider; 241. First slide rail; 242. Second slide rail; 243. Groove; 25. Clamp pair; 26. Roller assembly; 261. Roller; 262. Fixing rod; 3. Transmission bottle; 4. Negative pressure tube; 5. Switch assembly; 51. Transfer plate; 52. Bottom plate; 521. Second opening; 53. First motor; 54. Gear set; 55. Rack; 6. Drive assembly; 61. Second motor; 62. Pulley; 63. Belt; 7. Drag chain; 8. First sensor; 9. Second sensor. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0029] According to an embodiment of the utility model, a transfer mechanism is provided. Figures 1 to 6, including: a support 1, on which a workbench 11 is arranged; a transfer assembly 2, which is arranged on the workbench 11 and is movably arranged relative to the workbench 11; a buffer tube 21 and a telescopic plate 22 are arranged on the transfer assembly 2, the buffer tube 21 is used to receive the transmission bottle 3, the telescopic plate 22 is arranged at the bottom of the buffer tube 21, and is used to prevent the transmission bottle 3 from falling, the telescopic plate 22 is movably arranged relative to the buffer tube 21, and a first opening 221 is arranged on the telescopic plate 22; a negative pressure tube 4, which is arranged on the side of the workbench 11 away from the transfer assembly 2, the negative pressure tube 4 is arranged corresponding to the buffer tube 21, moves through the first opening 221, connects or disconnects the buffer tube 21 and the negative pressure tube 4, and the transmission bottle 3 is sucked to the receiving station through the negative pressure tube 4. The system is controlled by a controller, and the transmission bottle 3 in the previous pipeline transmission system falls into the buffer tube 21 and is blocked by the telescopic plate 22 at the bottom of the buffer tube 21, so that the transmission bottle 3 is temporarily stored in the buffer tube 21. The controller controls the transfer assembly 2 to move to the specified position on the workbench 11, and stops moving after it corresponds to the negative pressure tube 4 below the workbench 11. Next, the telescopic plate 22 moves to drive the first opening 221 to move. When the first opening 221 moves to the bottom of the buffer tube 21, the buffer tube 21 is connected to the negative pressure tube 4, prompting the transmission bottle 3 to fall from the buffer tube 21 into the negative pressure tube 4, and then start the next section of transmission. After the transmission bottle 3 falls into the negative pressure tube 4, the telescopic plate 22 moves in the opposite direction, disconnects the buffer tube 21 from the negative pressure tube 4, and prepares for the subsequent operation of receiving the transmission bottle 3. The controller in the previous section of the pipeline transmission system controls the airflow generated by the wind source generating device, and the airflow forms a positive pressure in the transmission pipeline, pushing the transmission bottle 3 to move forward and reach the buffer tube 21. An exhaust fan is set at the end of the negative pressure tube 4 to form a negative pressure in the negative pressure tube 4 to suck the transmission bottle 3 to the receiving station. There are multiple negative pressure tubes 4, so that materials can be transported to different receiving stations. The transfer mechanism is the link between positive and negative pressure pipeline transmission, which not only extends the transmission distance of the pneumatic pipeline transmission system, but also serves as a distribution center for materials, sucking different types of materials to various receiving stations through the formation of negative pressure pipes. The transfer mechanism of this embodiment solves the technical problem of limited transmission distance of the pneumatic pipeline transmission system in the related art.

[0030] See also Figure 1 In this embodiment, the transfer mechanism further includes a driving assembly 6, which is connected to the transfer assembly 2. The driving assembly 6 drives the transfer assembly 2 to move, so that the buffer tube 21 drives the transmission bottle 3 to move. The driving assembly 6 is arranged to drive the transfer assembly 2 to move, replacing manual labor and reducing manual labor intensity.

[0031] See also Figure 2 and Figure 3In this embodiment, the transfer mechanism also includes a switch assembly 5, which is connected to the telescopic plate 22. The switch assembly 5 includes: a transfer plate 51, on which the cache tube 21 is arranged; a bottom plate 52, which is spaced apart from the transfer plate 51, and the telescopic plate 22 is located between the transfer plate 51 and the bottom plate 52. A second opening 521 is provided on the bottom plate 52, and the second opening 521 is corresponding to the first opening 221; the switch assembly 5 drives the telescopic plate 22 to move, and the telescopic plate 22 drives the first opening 221 to move between the transfer plate 51 and the bottom plate 52, thereby connecting the cache tube 21, the first opening 221 and the second opening 521, so that the transmission bottle 3 in the cache tube 21 falls into the negative pressure tube 4. There is a gap between the bottom plate 52 and the transfer plate 51, the telescopic plate 22 is arranged in the gap, a second opening 521 is arranged on the bottom plate 52, and the switch assembly 5 controls the telescopic plate 22 to move between the bottom plate 52 and the transfer plate 51, so that the cache tube 21, the first opening 221 and the second opening 521 are connected, causing the transmission bottle 3 to fall.

[0032] See also Figure 2 and Figure 3 In the transfer mechanism of this embodiment, the switch assembly 5 further includes: a first motor 53, the first motor 53 is fixed on the transfer plate 51; a gear set 54, the output end of the first motor 53 is connected to the gear set 54; a rack 55, the gear set 54 passes through the transfer plate 51 and meshes with the rack 55, the rack 55 is fixed to one end of the telescopic plate 22, drives the gear set 54 to rotate, and the rack 55 drives the telescopic plate 22 to move, thereby moving the first opening 221. The gear set 54 component passes through the transfer plate 51 and meshes with the rack 55 on one side of the telescopic plate 22, and the first motor 53 drives the gear set 54 to rotate, prompting the rack 55 to drive the telescopic plate 22 to move in the gap, thereby driving the first opening 221 to move, so that the switch assembly 5 connects the buffer tube 21 and the negative pressure tube 4, and transfers the transmission bottle 3 to the negative pressure tube.

[0033] See also Figure 2 In the transfer mechanism of this embodiment, the transfer assembly 2 further includes: a slide rail 23, which is arranged on the workbench 11; a slider 24, one end of which is connected to the bottom plate 52, and the other end of which is connected to the slide rail 23, and the slider 24 is movably arranged relative to the slide rail 23. The slider 24 drives the buffer tube 21 on the bottom plate 52 to move on the slide rail 23, so as to transfer the transmission bottle 3 to the top of different negative pressure tubes 4, so as to facilitate falling into the channel of the corresponding negative pressure tube 4.

[0034] See also Figure 2 and Figure 4In the transfer mechanism of this embodiment, a connecting space 111 is provided on the workbench 11, and a plurality of negative pressure tubes 4 are arranged in the connecting space 111. The slide rail 23 includes a first slide rail 231 and a second slide rail 232, which are respectively arranged at the two ends of the connecting space 111. The slider 24 includes a first slider 241 and a second slider 242, which are respectively arranged at the two ends of the bottom plate 52, so that the first slider 241 moves on the first slide rail 231 and the second slider 242 moves on the second slide rail 232. The first slide rail 231 and the second slide rail 232 are on both sides of the connecting space 111, and the two ends of the bottom plate 52 are respectively connected to the first slider 241 and the second slider 242. Above the bottom plate 52 is the telescopic plate 22. When the first opening 221 of the telescopic plate 22 moves to the bottom of the buffer tube 21, the transmission bottle 3 passes through the first opening 221, the second opening 521 and the connecting space 111 in sequence, and finally falls into the channel of the negative pressure tube 4.

[0035] See also Figure 4 In the transfer mechanism of this embodiment, the slide rail 23 is protruded on the workbench 11, and a groove 243 is provided in the middle of the slider 24. The slide rail 23 is clamped in the groove 243 to make the connection between the slide rail 23 and the slider 24 more secure.

[0036] See also Figure 1 and Figure 2 In the transfer mechanism of this embodiment, the driving assembly 6 includes: a second motor 61, which is arranged on the bracket 1; two pulleys 62, which are respectively arranged at both ends of the bracket 1; a belt 63, which is arranged around the two pulleys 62, and the two pulleys 62 are arranged between the transfer plate 51 and the first slide rail 231, so that the belt 63 is located between the transfer plate 51 and the first slide rail 231; the transfer assembly 2 also includes a pair of clamps 25, which are arranged at one end of the bottom plate 52 close to the first slide rail 231, and the pair of clamps 25 clamp the belt 63. When the second motor 61 drives the pulley 62 to rotate, the belt 63 drives the transfer assembly 2 to move. A pair of clamps 25 is also arranged on the side of the bottom plate 52 close to the belt 63. The pair of clamps 25 is composed of two clamps arranged on the bottom plate 52 along the length direction of the belt. The two clamps grab the belt 63 to increase the clamping force. The second motor 61 drives the belt 63 on the pulley 62 to rotate, so that the clamping jaw pair 25 moves with the slider 24 on the slide rail 23 .

[0037] See also Figure 1 A drag chain 7 is also provided on the side of the bracket 1 away from the belt 63. The drag chain 7 is used to protect and manage the wires, air pipes and other lines of the pneumatic exchange center of this embodiment to prevent these lines from being worn, stretched or twisted due to movement, while ensuring the reliable operation of the pneumatic exchange center and improving work efficiency and safety.

[0038] See also Figure 2 and Figure 5 In the transfer mechanism of this embodiment, the transfer assembly 2 further includes a roller assembly 26, which is located at one end of the telescopic plate 22 away from the rack 55, and the two ends of the roller assembly 26 are respectively connected to the transfer plate 51 and the bottom plate 52, and the roller 261 on the roller assembly 26 is rotatably arranged relative to the transfer plate 51 and the bottom plate 52. The roller 261 is arranged between the transfer plate 51 and the bottom plate 52, and when the telescopic plate 22 moves, the roller 261 rotates relative to the transfer plate 51 and the bottom plate 52, thereby reducing the friction with the telescopic plate 22.

[0039] See also Figure 5 In the transfer mechanism of this embodiment, the roller 261 is sleeved on the fixed rod 262, one end of the fixed rod 262 is connected to the transfer plate 51, and the other end of the fixed rod 262 is connected to the bottom plate 52. The roller 261 is located between the transfer plate 51 and the bottom plate 52. When the rack 55 drives the telescopic plate 22 to move, the roller 261 rotates around the fixed rod 262. There are multiple roller assemblies 26, and each roller assembly 26 is arranged at intervals along the moving direction of the telescopic plate 22. When the rack 55 drives the telescopic plate 22 to move, the roller 261 is arranged. On the one hand, it is convenient to limit and clamp the side of the telescopic plate 22 away from the rack 55 to prevent the telescopic plate 22 from running off; on the other hand, when the telescopic plate 22 moves, the friction with the roller assembly 26 is reduced, thereby improving the flexibility of movement.

[0040] See also Figure 6 In the transfer mechanism of this embodiment, a buffer pad 222 is provided on the telescopic plate 22. When the transmission bottle 3 falls into the buffer tube 21, the transmission bottle 3 is buffered on the buffer pad 222 to prevent the two from colliding and causing damage. A first sensor 8 is provided on the buffer tube 21, and the first sensor 8 is used to sense whether there is a transmission bottle 3 in the buffer tube 21. A second sensor 9 is provided on the transfer plate 51, and the second sensor 9 is used to sense whether the buffer tube 21 and the negative pressure tube 4 are connected. The controller is connected with each motor and sensor signal, so that the transmission bottle 3 automatically moves into the corresponding negative pressure tube in the pipeline transmission system without manual intervention, thereby realizing the automation of the pipeline transmission system.

[0041] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0042] Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments, and this embodiment will not be described in detail here.

[0043] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0044] In the above embodiments of the present application, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0045] The above is only a preferred implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A transfer mechanism, characterized in that: include: A support (1), wherein a workbench (11) is provided on the support (1); A transfer assembly (2), wherein the transfer assembly (2) is arranged on the workbench (11), and the transfer assembly (2) is movably arranged relative to the workbench (11); a buffer tube (21) and a telescopic plate (22) are arranged on the transfer assembly (2), the buffer tube (21) is used to receive the transmission bottle (3), the telescopic plate (22) is arranged at the bottom of the buffer tube (21) and is used to prevent the transmission bottle (3) from falling, the telescopic plate (22) is movably arranged relative to the buffer tube (21), and a first opening (221) is arranged on the telescopic plate (22); A negative pressure pipe (4), wherein the negative pressure pipe (4) is arranged on a side of the workbench (11) away from the transfer assembly (2), and the negative pressure pipe (4) is arranged corresponding to the buffer pipe (21), and moves through the first opening (221) to connect or disconnect the buffer pipe (21) and the negative pressure pipe (4), and the transmission bottle (3) is sucked to the receiving station through the negative pressure pipe (4).

2. The transfer mechanism according to claim 1, characterized in that: The transfer mechanism further comprises a driving assembly (6), wherein the driving assembly (6) is connected to the transfer assembly (2), and the driving assembly (6) drives the transfer assembly (2) to move, so that the buffer tube (21) drives the transmission bottle (3) to move.

3. The transfer mechanism according to claim 2, characterized in that: The transfer mechanism further comprises a switch assembly (5), wherein the switch assembly (5) is connected to the telescopic plate (22), and the switch assembly (5) comprises: A transfer plate (51), the cache tube (21) being arranged on the transfer plate (51); A bottom plate (52), the bottom plate (52) and the transfer plate (51) are arranged at a distance, the telescopic plate (22) is located between the transfer plate (51) and the bottom plate (52), a second opening (521) is arranged on the bottom plate (52), and the second opening (521) is arranged corresponding to the first opening (221); The switch assembly (5) drives the telescopic plate (22) to move, and the telescopic plate (22) drives the first opening (221) to move between the transfer plate (51) and the bottom plate (52), thereby connecting the cache tube (21), the first opening (221) and the second opening (521), so that the transmission bottle (3) in the cache tube (21) falls into the negative pressure tube (4).

4. The transfer mechanism according to claim 3, characterized in that: The switch assembly (5) further comprises: A first motor (53), wherein the first motor (53) is fixed on the transfer plate (51); A gear set (54), wherein an output end of the first motor (53) is connected to the gear set (54); The gear set (54) passes through the transfer plate (51) and meshes with the gear set (55). The gear set (54) is fixed to one end of the telescopic plate (22) to drive the gear set (54) to rotate, and the gear set (55) drives the telescopic plate (22) to move, thereby moving the first opening (221).

5. The transfer mechanism according to claim 4, characterized in that: The transfer assembly (2) further comprises: A slide rail (23), wherein the slide rail (23) is arranged on the workbench (11); A slider (24), one end of the slider (24) is connected to the base plate (52), the other end of the slider (24) is connected to the slide rail (23), and the slider (24) is movably arranged relative to the slide rail (23).

6. The transfer mechanism according to claim 5, characterized in that: A connecting space (111) is provided on the workbench (11), and a plurality of negative pressure tubes (4) are arranged in the connecting space (111); the slide rail (23) comprises a first slide rail (231) and a second slide rail (232); the first slide rail (231) and the second slide rail (232) are respectively arranged at two ends of the connecting space (111); the slider (24) comprises a first slider (241) and a second slider (242); the first slider (241) and the second slider (242) are respectively arranged at two ends of the bottom plate (52), so that the first slider (241) moves on the first slide rail (231) and the second slider (242) moves on the second slide rail (232).

7. The transfer mechanism according to claim 6, characterized in that: The slide rail (23) is convexly arranged on the workbench (11), a groove (243) is arranged in the middle of the slide block (24), and the slide rail (23) is clamped in the groove (243).

8. The transfer mechanism according to claim 7, characterized in that: The driving assembly (6) comprises: A second motor (61), wherein the second motor (61) is arranged on the bracket (1); Two pulleys (62), the two pulleys (62) being respectively arranged at two ends of the bracket (1); a belt (63), wherein the belt (63) is arranged around the two pulleys (62), and the two pulleys (62) are arranged between the transfer plate (51) and the first slide rail (231), so that the belt (63) is located between the transfer plate (51) and the first slide rail (231); The transfer assembly (2) further comprises a pair of clamping jaws (25), wherein the pair of clamping jaws (25) is arranged at one end of the base plate (52) close to the first slide rail (231), and the pair of clamping jaws (25) clamps the belt (63). When the second motor (61) drives the pulley (62) to rotate, the belt (63) drives the transfer assembly (2) to move.

9. The transfer mechanism according to claim 4, characterized in that: The transfer assembly (2) further comprises a roller assembly (26), wherein the roller assembly (26) is located at one end of the telescopic plate (22) away from the rack (55), and the two ends of the roller assembly (26) are respectively connected to the transfer plate (51) and the bottom plate (52), and the roller (261) on the roller assembly (26) is rotatably arranged relative to the transfer plate (51) and the bottom plate (52).

10. The transfer mechanism according to claim 9, characterized in that: The roller (261) is sleeved on the fixed rod (262), one end of the fixed rod (262) is connected to the transfer plate (51), and the other end of the fixed rod (262) is connected to the bottom plate (52), the roller (261) is located between the transfer plate (51) and the bottom plate (52), and when the rack (55) drives the telescopic plate (22) to move, the roller (261) rotates around the fixed rod (262); and / or, There are a plurality of roller assemblies (26), and each of the roller assemblies (26) is arranged at intervals along the moving direction of the telescopic plate (22).

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