Dispensing machine, dispensing machine assembly and dispensing production line

Abstract

The utility model provides a dispensing machine, a dispensing machine assembly and a dispensing production line. The shell is fixedly arranged on the mounting seat, and openings are formed in the two ends of the shell; the driving assembly is fixedly arranged on the mounting seat; the glue dispensing assembly is fixedly arranged on the mounting seat, the glue dispensing assembly is arranged in the shell in a penetrating mode, the two ends of the glue dispensing assembly penetrate out of the two openings of the shell correspondingly, and the glue dispensing assembly is connected with the output end of the driving assembly; the glue dispensing device comprises a mounting seat, a glue dispensing assembly and a cooling assembly, the glue dispensing assembly is arranged on the mounting seat, the cooling assembly is fixedly arranged on the mounting seat, and the output end of the glue dispensing assembly and the cooling assembly are arranged adjacently, and the technical scheme of the glue dispensing device at least has the beneficial effects that the cooling assembly is arranged on the mounting seat and is close to the output end of the glue dispensing assembly; the temperature of the mixed glue can be effectively kept below 20 DEG C, the temperature of the mixed glue is reduced, and the situation that the mixed glue is activated in advance to generate a chemical curing reaction due to too high temperature after being mixed in the dispensing assembly is avoided.

Description

Technical Field

[0001] The present application relates to the field of glue dispensing technology, and in particular to a glue dispensing machine, a glue dispensing machine assembly and a glue dispensing production line. Background Art

[0002] Glue dispensing machines are automated machines that control and apply fluids to or within product surfaces. They are primarily used to precisely dispense, inject, or drip glue, paint, and other liquids into precise locations on each product during production processes. They enable three- and four-dimensional dispensing, precise positioning, and precise control of the glue, eliminating stringing, leaks, and dripping. They are primarily used to precisely dispense, inject, apply, or drip glue, paint, and other liquids onto precise locations on each product during production processes, creating dot patterns, lines, circles, or arcs. These machines typically include a liquid reservoir to hold the glue.

[0003] In the application of special dispensing technology, the mixed glue is made by mixing two or more materials. After the mixed glue is mixed, a chemical curing reaction will occur when the temperature is too high. After the mixed glue has a curing reaction, it will cause difficulty in dispensing the glue. Utility Model Content

[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a dispensing machine, a dispensing machine assembly and a dispensing production line, which are used to solve the problem in the prior art that after the mixed glue is mixed, a chemical curing reaction will occur when the temperature is too high, and the curing reaction of the mixed glue will cause difficulty in dispensing the glue.

[0005] To achieve the above-mentioned and other related purposes, the present invention provides a dispensing machine, comprising:

[0006] Mounting seat;

[0007] A shell, the shell is fixedly arranged on the mounting seat, and both ends of the shell are provided with openings;

[0008] A drive assembly, wherein the drive assembly is fixedly disposed on the mounting seat;

[0009] A dispensing assembly, the dispensing assembly being fixedly mounted on the mounting seat, the dispensing assembly being disposed within the housing, the two ends of the dispensing assembly being respectively extended out of the two openings of the housing, and the dispensing assembly being connected to the output end of the driving assembly;

[0010] A cooling component is fixedly arranged on the mounting seat, and the output end of the dispensing component is arranged adjacent to the cooling component.

[0011] Optionally, a limit platform is fixed on the mounting seat, and an end surface of the limit platform away from the mounting seat is provided with a receiving groove, and the receiving groove is provided along the setting direction of the dispensing component;

[0012] The limiting platform is further provided with an accommodating cavity, the accommodating cavity is provided with an opening, and the cooling component partially extends into the accommodating cavity;

[0013] Wherein, the output end of the dispensing component is arranged in the accommodating groove, and the accommodating groove is adjacent to or connected to the accommodating cavity.

[0014] Optionally, the glue dispensing assembly includes a first glue storage tube, a second glue storage tank, a first glue pushing rod, a second glue pushing rod, a glue mixing tube and a glue dispensing nozzle, the first glue storage tube and the second glue storage tank are both fixedly arranged in parallel on the mounting seat, the first glue pushing rod is slidably arranged in the upper end of the first glue storage tube, the second glue pushing rod is slidably arranged in the upper end of the second glue storage tank, the lower end of the first glue storage tube and the lower end of the second glue storage tank are connected through a glue mixing tube, and the glue dispensing nozzle is connected to the glue mixing tube;

[0015] Wherein, the first glue pushing rod and the second glue pushing rod are both connected to the driving assembly, the glue dispensing nozzle is arranged in the accommodating groove, and the first glue pushing rod and the second glue pushing rod move synchronously.

[0016] Optionally, the cooling assembly includes a circulation pipe, a coolant tank and a cooling element, the coolant tank is arranged adjacent to the mounting seat, two ends of the circulation pipe are respectively connected to the inlet end and the outlet end of the coolant tank, and the circulation pipe is partially arranged in the accommodating cavity;

[0017] Wherein, the circulation pipe is connected to the cooling element for cooling.

[0018] Optionally, the glue dispensing assembly further includes a guide nozzle, and the first glue storage tube, the second glue storage tank, the first glue pushing rod, the second glue pushing rod, the glue mixing tube and the glue dispensing nozzle are all arranged at an angle, and the inclination angles of the first glue storage tube, the second glue storage tank, the first glue pushing rod, the second glue pushing rod, the glue mixing tube and the glue dispensing nozzle are consistent;

[0019] The guide nozzle is connected to the glue dispensing nozzle, the guide nozzle is located at one end of the glue dispensing nozzle away from the glue mixing tube, and the guide nozzle is vertically arranged.

[0020] Optionally, the side of the shell is further provided with scale lines, and the side of the first rubber pushing rod or the second rubber pushing rod is provided with a scale rod, and the scale rod is arranged adjacent to the scale lines.

[0021] The present application also provides a dispensing machine assembly, including the above-mentioned dispensing machine, and further including:

[0022] Fixed plate; the mounting seat is fixedly connected to the fixed plate;

[0023] The mobile device is fixed on the fixed plate.

[0024] Optionally, the moving device includes a first moving component, a second moving component and a third moving component;

[0025] The second moving component is arranged on the first moving component, the third moving component is arranged on the second moving component, and the moving directions of the first moving component, the second moving component and the third moving component are perpendicular to each other.

[0026] The present application also provides a dispensing production line, comprising the above-mentioned dispensing machine assembly, and further comprising:

[0027] Workbench;

[0028] a transport assembly, the transport assembly being disposed on the workbench;

[0029] A limiting component, wherein the limiting component is arranged on the transport component;

[0030] There are multiple dispensing machine assemblies, and the multiple dispensing machine assemblies are arranged in sequence along the transport direction of the transport component.

[0031] Optionally, the limiting assembly includes a telescopic cylinder and a limiting plate, the output end of the telescopic cylinder is arranged toward the transport assembly, and the limiting plate is arranged at the output end of the telescopic cylinder;

[0032] Wherein, a limited position and a release position are set on the transport component, and the telescopic cylinder drives the limit plate to reciprocate between the limited position and the release position.

[0033] As described above, the beneficial effects brought about by the technical solution in the present invention include at least: by arranging a cooling component on the mounting base, the cooling component is close to the output end of the dispensing component, which can effectively maintain the temperature of the mixed glue below 20 degrees, reduce the temperature of the mixed glue, and avoid the mixed glue from being prematurely activated and producing a chemical curing reaction due to excessive temperature after being mixed in the dispensing component. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 Shown is a schematic structural diagram of a dispensing machine according to an exemplary embodiment of the present invention;

[0035] Figure 2 Shown is a formal diagram of the dispensing machine assembly structure of an exemplary embodiment of the present invention;

[0036] Figure 3Shown is a side view of the dispensing machine assembly structure of an exemplary embodiment of the present invention;

[0037] Figure 4 Shown is a structural schematic diagram of a dispensing production line according to an exemplary embodiment of the present invention.

[0038] Part Number Description

[0039] 1. Mounting base; 2. Housing; 3. Drive assembly; 4. Glue dispensing assembly; 401. First glue storage tube; 402. Second glue storage tank; 403. First glue pushing rod; 404. Second glue pushing rod; 405. Glue mixing tube; 406. Glue dispensing nozzle; 407. Guide nozzle; 5. Cooling assembly; 501. Circulation duct; 502. Fan; 6. Limiting platform; 7. Moving device; 701. First moving assembly; 702. Second moving assembly; 703. Third moving assembly; 8. Workbench; 9. Transport assembly; 10. Limiting assembly. DETAILED DESCRIPTION

[0040] The following describes the embodiments of the present invention through specific examples. Those skilled in the art will readily understand the other advantages and benefits of the present invention from the disclosure herein. The present invention may also be implemented or applied through various other specific embodiments, and the details in this specification may be modified or altered based on different perspectives and applications without departing from the spirit of the present invention.

[0041] It should be noted that the illustrations provided in the following embodiments are merely schematic illustrations of the basic concept of the present invention. Therefore, the illustrations only show components related to the present invention and are not drawn according to the number, shape, and size of components in actual implementation. In actual implementation, the type, quantity, and proportion of each component may be changed at will, and the component layout may also be more complex.

[0042] In the following description, numerous details are discussed to provide a more thorough explanation of the embodiments of the present disclosure. However, it will be apparent to those skilled in the art that the embodiments of the present disclosure may be practiced without these specific details. In other embodiments, well-known structures and devices are shown in block diagram form rather than in detail to avoid making the embodiments of the present disclosure difficult to understand.

[0043] See Figure 1The utility model provides a glue dispensing machine, comprising: a mounting base 1; the shell 2 is fixedly arranged on the mounting base 1, and openings are provided at both ends of the shell 2; a driving component 3, the driving component 3 is fixedly arranged on the mounting base 1; a glue dispensing component 4, the glue dispensing component 4 is fixedly arranged on the mounting base 1, the glue dispensing component 4 is passed through the shell 2, the two ends of the glue dispensing component 4 respectively pass through the two openings of the shell 2, and the glue dispensing component 4 is connected to the output end of the driving component 3; a cooling component 5, the cooling component 5 is fixedly arranged on the mounting base 1, and the output end of the glue dispensing component 4 is arranged adjacent to the cooling component 5.

[0044] In one embodiment of the present application, specifically, the dispensing machine includes a mounting base 1, a shell 2, a drive assembly 3, a dispensing assembly 4 and a cooling assembly 5. The mounting base 1 is a vertically arranged plate-like structure, the shell 2 is fixedly arranged on the mounting base 1, the shell 2 is a U-shaped structure, the shell 2 is buckled on the mounting base 1, the upper and lower ends of the shell 2 are both open structures, the dispensing assembly 4 is partially arranged inside the shell 2, and the output end of the dispensing assembly 4 passes through the opening at the lower end of the shell 2 and is arranged outside the shell 2. The drive assembly 3 includes a fourth threaded rod, a fourth drive motor, a fourth slide rail and a fourth slider. The fourth threaded rod is arranged in the shell 2, the fourth drive motor is arranged outside the opening at the upper end of the shell 2, and the output end of the fourth drive motor is arranged in the shell 2 is connected to the fourth threaded rod inside, one end of the fourth slider is sleeved on the fourth threaded rod, and the other end of the fourth slider is slidably set on the fourth slide rail, and the fourth slide rail limits the fourth slider in the non-fourth slide rail length direction, drives the fourth drive motor to drive the fourth threaded rod to rotate, and the fourth threaded rod drives the fourth slider to slide back and forth on the fourth slide rail. The fourth slider is connected to the dispensing component 4 to drive the dispensing component 4 to perform the dispensing operation. A cooling component 5 is also provided on the mounting seat 1. The cooling component 5 is used to maintain the temperature of the mixed glue below 20 degrees so that no curing reaction occurs before the dispensing is completed, thereby avoiding clogging of the output end of the dispensing component 4 or difficulty in dispensing glue. The cooling component 5 is adjacent to the output end of the dispensing component 4.

[0045] Furthermore, the cooling component 5 is partially wound around the glue dispensing component 4 to further maintain the temperature of the mixed glue in the glue dispensing component 4.

[0046] A limiting platform 6 is fixed on the mounting base 1, and an end surface of the limiting platform 6 away from the mounting base 1 is provided with a receiving groove, and the receiving groove is provided along the setting direction of the dispensing component 4;

[0047] The limiting platform 6 is further provided with an accommodating cavity, the accommodating cavity is provided with an opening, and the cooling component 5 partially extends into the accommodating cavity;

[0048] The output end of the dispensing component 4 is arranged in the receiving groove, and the receiving groove is adjacent to or connected to the receiving cavity.

[0049] In one embodiment of the present application, specifically, a limiting platform 6 is provided at the lower end of the mounting seat 1, and the upper end of the limiting platform 6 contacts the lower end of the dispensing component 4. The limiting platform 6 supports and limits the dispensing component 4. A receiving groove is provided on the front end surface of the limiting platform 6. The receiving groove is provided along the mixed glue flow direction of the dispensing component 4 (the direction of the dispensing nozzle 406). The output end of the dispensing component 4 is provided in the receiving groove, and a receiving cavity is also provided in the limiting platform 6. The upper end of the receiving groove is provided with an opening for allowing the cooling component 5 to enter. The receiving cavity and the receiving groove are adjacent to each other. The receiving groove and the receiving cavity are adjacent to or connected to each other to facilitate the cooling component 5 to maintain the temperature of the output end of the dispensing component 4 below 20 degrees.

[0050] The glue dispensing assembly 4 includes a first glue storage tube 401, a second glue storage tank 402, a first glue pushing rod 403, a second glue pushing rod 404, a glue mixing tube 405 and a glue dispensing nozzle 406. The first glue storage tube 401 and the second glue storage tank 402 are fixedly arranged in parallel on the mounting base 1. The first glue pushing rod 403 is slidably arranged in the upper end of the first glue storage tube 401, and the second glue pushing rod 404 is slidably arranged in the upper end of the second glue storage tank 402. The lower end of the first glue storage tube 401 and the lower end of the second glue storage tank 402 are connected through the glue mixing tube 405, and the glue dispensing nozzle 406 is connected to the glue mixing tube 405;

[0051] Among them, the first glue pushing rod 403 and the second glue pushing rod 404 are both connected to the driving component 3, the glue dispensing nozzle 406 is arranged in the accommodating groove, the first glue pushing rod 403 and the second glue pushing rod 404 are both fixedly connected to the fourth slider, and the fourth slider drives the first glue pushing rod 403 and the second glue pushing rod 404 to move synchronously.

[0052] The cooling assembly 5 includes a circulation pipe 501, a coolant tank and a cooling element. The coolant tank is arranged adjacent to the mounting base 1. The two ends of the circulation pipe 501 are respectively connected to the inlet and outlet of the coolant tank. The circulation pipe 501 is partially arranged in the accommodating cavity.

[0053] The circulation pipe 501 is connected to the cooling element for cooling.

[0054] In one embodiment of the present application, specifically, the cooling component 5 includes a circulation pipe 501, a coolant tank and a cooling element. In this embodiment, two circulation pipes 501 are provided, and the two circulation pipes 501 are arranged in parallel. The coolant tank is set as a water tank. The cooling element adopts a refrigeration plate (also called a thermoelectric semiconductor refrigeration component, Peltier, etc., which refers to a patch with two sides, one side absorbing heat and the other side dissipating heat, which acts as a heat conductor and does not generate cold itself). The refrigeration plate is set in the water tank, or the refrigeration plate is set in a position adjacent to the circulation pipe 501 to cool the cooling water of the circulation pipe 501. One end of the two circulation pipes 501 is connected to the inlet end of the coolant tank, and the other end is connected to the outlet end of the coolant tank, and the circulation pipes 501 are stacked through the receiving tank. The circulation pipes 501 are also wrapped around the first glue storage pipe 401 and the second glue storage tank 402 for further cooling.

[0055] Furthermore, the cooling component 5 also includes a fan 502 , which is arranged on the mounting seat 1 to cool the dispensing component 4 .

[0056] The glue dispensing assembly 4 also includes a guide nozzle 407. The first glue storage tube 401, the second glue storage tank 402, the first glue pushing rod 403, the second glue pushing rod 404, the glue mixing tube 405 and the glue dispensing nozzle 406 are all arranged at an angle, and the inclination angles of the first glue storage tube 401, the second glue storage tank 402, the first glue pushing rod 403, the second glue pushing rod 404, the glue mixing tube 405 and the glue dispensing nozzle 406 are consistent;

[0057] The guide nozzle 407 is connected to the glue dispensing nozzle 406 , and the guide nozzle 407 is located at one end of the glue dispensing nozzle 406 away from the glue mixing tube 405 , and the guide nozzle 407 is vertically arranged.

[0058] In one embodiment of the present application, specifically, the dispensing component 4 is tilted to save installation space, and a vertically arranged guide nozzle 407 is provided below the dispensing component 4, which can change the application method of the mixed glue from tilted to vertical, thereby ensuring the dispensing quality.

[0059] The side of the shell 2 is also provided with scale lines, and the side of the first glue pushing rod 403 or the second glue pushing rod 404 is provided with a ruler rod, which is arranged adjacent to the scale lines to facilitate observation of the stored glue content in the first glue storage tube 401 and the second glue storage tank 402.

[0060] See Figure 2 and Figure 3 , the present application also provides a dispensing machine assembly, including:

[0061] Fixed plate; the mounting seat 1 is fixedly connected to the fixed plate;

[0062] The moving device 7, the fixed plate is fixedly arranged on the moving device 7, and the moving device 7 drives the fixed plate and the dispensing machine to move, so as to facilitate dispensing of glue at various positions of the product.

[0063] The moving device 7 includes a first moving component 701, a second moving component 702 and a third moving component 703;

[0064] The second movable component 702 is arranged on the first movable component 701, and the third movable component 703 is arranged on the second movable component 702, and the movement direction of the first movable component 701, the movement direction of the second movable component 702 and the movement direction of the third movable component 703 are perpendicular to each other.

[0065] In one embodiment of the present application, specifically, the first moving component 701 is a moving component in the front-to-back direction, the second moving component 702 is a moving component in the left-to-right direction, the second moving component 702 is arranged on the first moving component 701, and the first moving component 701 drives the second moving component 702 to move forward and backward, the third moving component 703 is a moving component in the up-and-down direction, the third moving component 703 is arranged on the second moving component 702, the second moving component 702 drives the third moving component 703 to move in the left-to-right direction, and the third moving component 703 drives the dispensing machine to move in the up-and-down direction.

[0066] See Figure 4 The present application also provides a dispensing production line, including the dispensing machine assembly as described above, and further including:

[0067] Workbench 8;

[0068] a transport assembly 9, wherein the transport assembly 9 is arranged on the workbench 8;

[0069] A limiting component 10, wherein the limiting component 10 is arranged on the transport component 9;

[0070] There are multiple dispensing machine assemblies, and the multiple dispensing machine assemblies are arranged in sequence along the transport direction of the transport component 9.

[0071] The limiting assembly 10 includes a telescopic cylinder and a limiting plate, wherein the output end of the telescopic cylinder is arranged toward the transport assembly 9, and the limiting plate is arranged at the output end of the telescopic cylinder;

[0072] The transport component 9 is provided with a limited position and a release position, and the telescopic cylinder drives the limit plate to reciprocate between the limited position and the release position.

[0073] In one embodiment of the present application, specifically, the transport component 9 is used to transport products, and a plurality of limit components 10 are provided. The plurality of limit components 10 are all used to limit the products, and the products that need to be glued are fixed and limited at the glue dispensing position. The transport component 9 includes two relatively arranged conveyor belts, and the conveyor belts are placed horizontally on the workbench 8. The products are placed on the conveyor belts. The limit component 10 includes a telescopic cylinder and a limit plate. The telescopic cylinder is placed vertically, and the output end of the telescopic cylinder is arranged toward the conveyor belt. The output end of the telescopic cylinder is provided with a limit plate, which is an L-shaped plate. The limit plate limits the product. In the present application, there are six dispensing machine assemblies and three limit components 10. The six dispensing machine assemblies are respectively arranged on both sides of the conveyor belt, arranged in two columns and three rows. The three rows of dispensing machine assemblies correspond to different glue dispensing parts of the product, respectively, and can glue different parts of the product at the same time, thereby improving production efficiency.

[0074] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed in the present invention are intended to be covered by the claims of the present invention.

Claims

1. A dispensing machine, characterized in that, include: Mounting seat; A shell, the shell is fixedly arranged on the mounting seat, and both ends of the shell are provided with openings; A drive assembly, wherein the drive assembly is fixedly disposed on the mounting seat; A dispensing assembly, the dispensing assembly being fixedly mounted on the mounting seat, the dispensing assembly being disposed within the housing, the two ends of the dispensing assembly being respectively extended out of the two openings of the housing, and the dispensing assembly being connected to the output end of the driving assembly; A cooling component is fixedly arranged on the mounting seat, and the output end of the dispensing component is arranged adjacent to the cooling component.

2. A dispensing machine according to claim 1, characterized in that: A limiting platform, the limiting platform is fixed on the mounting seat, and an end surface of the limiting platform away from the mounting seat is provided with a receiving groove, and the receiving groove is provided along the setting direction of the dispensing component; The limiting platform is further provided with an accommodating cavity, the accommodating cavity is provided with an opening, and the cooling component partially extends into the accommodating cavity; Wherein, the output end of the dispensing component is arranged in the accommodating groove, and the accommodating groove is adjacent to or connected to the accommodating cavity.

3. A dispensing machine according to claim 2, characterized in that: The glue dispensing assembly includes a first glue storage tube, a second glue storage tank, a first glue pushing rod, a second glue pushing rod, a glue mixing tube and a glue dispensing nozzle. The first glue storage tube and the second glue storage tank are fixedly arranged in parallel on the mounting seat. The first glue pushing rod is slidably arranged in the upper end of the first glue storage tube, and the second glue pushing rod is slidably arranged in the upper end of the second glue storage tank. The lower end of the first glue storage tube and the lower end of the second glue storage tank are connected through a glue mixing tube, and the glue dispensing nozzle is connected to the glue mixing tube. Wherein, the first glue pushing rod and the second glue pushing rod are both connected to the driving assembly, the glue dispensing nozzle is arranged in the accommodating groove, and the first glue pushing rod and the second glue pushing rod move synchronously.

4. A dispensing machine according to claim 2, characterized in that: The cooling assembly includes a circulation pipe, a coolant tank and a cooling element. The coolant tank is arranged adjacent to the mounting seat. Both ends of the circulation pipe are respectively connected to the inlet and outlet of the coolant tank. The circulation pipe is partially arranged in the accommodating cavity. Wherein, the circulation pipe is connected to the cooling element for cooling.

5. The dispensing machine according to claim 3, characterized in that: The dispensing assembly further includes a guide nozzle, wherein the first glue storage tube, the second glue storage tank, the first glue pushing rod, the second glue pushing rod, the glue mixing tube and the dispensing nozzle are all arranged at an angle, and the inclination angles of the first glue storage tube, the second glue storage tank, the first glue pushing rod, the second glue pushing rod, the glue mixing tube and the dispensing nozzle are consistent; The guide nozzle is connected to the glue dispensing nozzle, the guide nozzle is located at one end of the glue dispensing nozzle away from the glue mixing tube, and the guide nozzle is vertically arranged.

6. The dispensing machine according to claim 5, characterized in that: The side surface of the shell is further provided with scale lines, and the side surface of the first rubber pushing rod or the second rubber pushing rod is provided with a scale rod, and the scale rod is arranged adjacent to the scale lines.

7. A dispensing machine assembly, characterized in that: The dispensing machine according to any one of claims 1 to 6 further comprises: Fixed plate; the mounting seat is fixedly connected to the fixed plate; The mobile device is fixed on the fixed plate.

8. The dispensing machine assembly according to claim 7, characterized in that: The moving device includes a first moving component, a second moving component and a third moving component; The second moving component is arranged on the first moving component, the third moving component is arranged on the second moving component, and the moving directions of the first moving component, the second moving component and the third moving component are perpendicular to each other.

9. A dispensing production line, characterized in that: The dispensing machine assembly according to any one of claims 7 to 8 further comprises: Workbench; a transport assembly, the transport assembly being disposed on the workbench; A limiting component, wherein the limiting component is arranged on the transport component; There are multiple dispensing machine assemblies, and the multiple dispensing machine assemblies are arranged in sequence along the transport direction of the transport component.

10. The dispensing production line according to claim 9, characterized in that: The limiting assembly includes a telescopic cylinder and a limiting plate, wherein the output end of the telescopic cylinder is arranged toward the transport assembly, and the limiting plate is arranged at the output end of the telescopic cylinder; Wherein, a limited position and a release position are set on the transport component, and the telescopic cylinder drives the limit plate to reciprocate between the limited position and the release position.

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