Double-end laser etching marking device

Abstract

The utility model relates to a double-end laser etching marking device, and relates to the technical field of remote controller product assembly automation, the marking device comprises a rack, a transportation assembly, two laser etching machines used for marking, and a driving mechanism for driving the two laser etching machines to move, and the driving mechanism comprises a first mounting base arranged on the rack in a sliding mode; the first driving assembly is used for driving the first mounting seat to move; the second mounting seat is arranged on the rack in a sliding manner; the second driving assembly is used for driving the second mounting seat to move; and the anti-collision assembly is used for preventing the first mounting base and the second mounting base from colliding with each other. According to the laser engraving machine, the tray is conveyed to the designated position through the conveying assembly, the first driving assembly drives the first mounting base to move, the second driving assembly drives the second mounting base to move, and therefore the two laser engraving machines are driven to move on the rack and conduct marking on products on the tray; and meanwhile, the anti-collision assembly is used for preventing the two sets of laser carving machines from colliding with each other when the products are marked, and the marking efficiency of the laser carving machines is improved.

Description

Technical Field

[0001] The present application relates to the technical field of remote control product assembly automation, and in particular to a double-head laser engraving marking device. Background Art

[0002] Marking is an indispensable part of the remote control production process. However, traditional marking equipment can usually only perform single-point marking, and is inefficient when adjusting the marking position, and cannot achieve efficient and automated multi-position marking operations, thus affecting production efficiency. Currently, the single-head laser engraving machines on the market can achieve a certain degree of automated marking, but because they only have one laser engraving head, the efficiency is still low for remote controls that need to be marked in multiple positions. Utility Model Content

[0003] In order to improve the marking efficiency of a laser engraving machine, the present application provides a double-head laser engraving marking device.

[0004] The present application provides a double-head laser engraving marking device, which adopts the following technical solution:

[0005] A double-head laser engraving marking device comprises a frame, a transport assembly arranged on the frame and used to transport a pallet, two groups of laser engraving machines respectively slidably arranged on the frame and used for marking, and a driving mechanism arranged on the frame and respectively driving the two groups of laser engraving machines to move, wherein the driving mechanism comprises:

[0006] A first mounting seat, wherein the first mounting seat is slidably disposed on the frame, and the laser engraving machine is disposed on the first mounting seat;

[0007] A first driving assembly, which is disposed on the frame and is used to drive the first mounting seat to move;

[0008] A second mounting seat, the second mounting seat is slidably arranged on the frame and the sliding direction of the second mounting seat overlaps with the sliding direction of the first mounting seat, and the laser engraving machine is arranged on the second mounting seat;

[0009] A second driving assembly, the second driving assembly is arranged on the frame and is used to drive the second mounting seat to move;

[0010] The anti-collision component is arranged on the first mounting seat and is used to prevent the first mounting seat and the second mounting seat from colliding with each other.

[0011] By adopting the above technical solution, the transport component transports the pallet to the specified position, the first drive component drives the first mounting seat to move, and the second drive component drives the second mounting seat to move, thereby driving the two groups of laser engraving machines to move on the rack and mark the products on the pallet. At the same time, the anti-collision component is used to prevent the two groups of laser engraving machines from colliding with each other when marking the products, so that the two groups of laser engraving machines can mark the products simultaneously or separately, thereby improving the marking efficiency of the laser engraving machines.

[0012] Furthermore, the anti-collision component comprises:

[0013] A first baffle, the first baffle being arranged on an end of the first mounting seat close to the second mounting seat;

[0014] A second baffle, the second baffle is arranged on one end of the second mounting seat close to the first mounting seat, and the second baffle is parallel to the first baffle;

[0015] A sensor, the sensor is disposed on the first baffle and is used to detect a position of the second baffle;

[0016] An anti-collision controller is arranged on the first mounting seat and is electrically connected to the sensor. The anti-collision controller controls the moving directions of the first mounting seat and the second mounting seat according to the detection result of the sensor.

[0017] By adopting the above technical solution, when the first mounting seat and the second mounting seat are close to each other, the first baffle and the second baffle are close to each other. When the sensor on the first baffle senses the second baffle, the anti-collision controller controls the first drive component and the second drive component, so that the first mounting seat and the second mounting seat can only stop or move in a direction away from each other, thereby preventing the two groups of laser engraving machines from colliding.

[0018] Furthermore, the laser engraving machine comprises:

[0019] A machine body, the machine body being arranged on a first mounting seat;

[0020] A laser engraving head, which is vertically slidably arranged on the machine body and is used for marking;

[0021] An adjusting component is arranged on the machine body and is used to drive the laser engraving head to slide.

[0022] By adopting the above technical solution, the machine body is installed on the first mounting seat and moves with the first mounting seat, and the height of the laser engraving head is adjusted by adjusting the component, so as to facilitate marking of the product.

[0023] Further, the adjustment component comprises:

[0024] An adjusting screw rod, which is rotatably arranged on the machine body and is threadably connected to the laser engraving head. The adjusting screw rod is used to drive the laser engraving head to move, and the laser engraving head cannot drive the adjusting screw rod to rotate;

[0025] A guide rail, which is arranged on the machine body and guides the sliding movement of the laser engraving head;

[0026] A handwheel is arranged on the adjusting screw rod, and is used to drive the adjusting screw rod to rotate.

[0027] By adopting the above technical solution, the hand wheel drives the adjusting screw to rotate, and the guide rail guides the movement of the laser engraving head and improves the stability of the laser engraving head when moving, so as to stably adjust the height of the laser engraving head.

[0028] Furthermore, a handle is eccentrically provided on one side of the hand wheel for driving the hand wheel to rotate, and an anti-slip sleeve is provided on the handle.

[0029] By adopting the above technical solution, the eccentrically mounted handle facilitates the rotation of the hand wheel, and the anti-slip sleeve improves the anti-slip effect of the handle, thereby facilitating the rotation of the hand wheel.

[0030] Furthermore, the laser engraving head includes:

[0031] A support platform, the support platform is slidably disposed on the machine body and is threadedly connected to the adjusting screw rod;

[0032] A laser engraving seat, which is detachably mounted on the support platform by bolts;

[0033] A laser head, which is rotatably arranged on a laser engraving base and is used for laser operation;

[0034] A control system is arranged on the laser engraving base and is used to control the laser head.

[0035] By adopting the above technical solution, the adjustment component adjusts the height of the support table and moves the laser engraving seat to a specified height. During marking, the angle of the laser head is controlled by the control system to perform marking operations on the product.

[0036] Furthermore, the frame is provided with a moving component for facilitating the adjustment of the frame position, and the moving component comprises:

[0037] Universal wheels, which are arranged on the frame and in rolling contact with the ground, and multiple sets of universal wheels are arranged on the frame at intervals and are used to drive the frame to move;

[0038] Threaded rods, a plurality of groups of threaded rods are arranged on the frame with spaced threads;

[0039] A tightening block, which is rotatably arranged on one end of the threaded rod close to the ground, and the tightening block is pressed against the ground and locks the position of the rack;

[0040] A locking nut is threadably disposed on the threaded rod and is pressed against the frame to lock the threaded rod.

[0041] By adopting the above technical solution, when the rack needs to be moved, the threaded rod is rotated to make the clamping block away from the ground and move on the ground through the universal wheel; when the rack needs to be fixed, the universal wheel is locked, and then the threaded rod is rotated to make the clamping block clamped on the ground, and the threaded rod is locked by the locking bolt, so as to facilitate locking of the rack.

[0042] Furthermore, a protective cover is provided on the frame, and a transparent observation window for conveniently observing the marking device is provided on the protective cover.

[0043] By adopting the above technical solution, the protective cover protects the laser engraving machine on the frame, and at the same time, the marking device on the frame and the marking process thereof can be observed through the transparent observation window.

[0044] Further, the transport component comprises:

[0045] A conveyor belt, which is rotatably arranged on the frame and is used to drive the tray to move;

[0046] A transmission motor, which is arranged on the frame and used to drive the transmission belt to move;

[0047] A positioning member is arranged on the frame and is used to position and fix the tray.

[0048] By adopting the above technical solution, the transmission motor drives the transmission belt to rotate and drives the pallet to move. When the pallet moves to the specified position, the pallet is positioned and fixed by the positioning member, and the transmission motor is turned off at the same time, so as to facilitate marking of the products on the pallet.

[0049] In summary, the present application includes at least one of the following beneficial technical effects:

[0050] The height of the laser engraving head is adjusted by rotating the hand wheel driven by the handle. The first mounting seat and the second mounting seat respectively drive the two groups of laser engraving machines to move on the frame to mark the products on the pallet. The anti-collision component is used to prevent the two groups of laser engraving machines from colliding with each other when marking the products, so that the two groups of laser engraving machines can mark the products simultaneously or separately, thereby improving the marking efficiency of the laser engraving machines. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] Figure 1 It is a schematic diagram of the structure of the marking device of the present application;

[0052] Figure 2 It is a schematic diagram of the frame and protective cover structure of the present application;

[0053] Figure 3 yes Figure 2 The enlarged schematic diagram of the middle A part;

[0054] Figure 4 is a schematic diagram of the structure of the marking device of the present application, which mainly shows the anti-collision component;

[0055] Figure 5 yes Figure 4 The enlarged schematic diagram of the middle part B;

[0056] Figure 6 It is a schematic diagram of the structure of the laser engraving machine of this application;

[0057] Figure 7 It is a schematic diagram of the structure of the laser engraving machine and the adjustment component of the present application, in which the machine body is partially cut away.

[0058] Figure numerals: 1. frame; 11. moving component; 111. universal wheel; 112. threaded rod; 113. tightening block; 114. locking nut; 12. protective cover; 121. observation window; 2. transportation component; 21. conveyor belt; 3. driving mechanism; 31. first mounting seat; 32. first driving component; 33. second mounting seat; 34. second driving component; 35. anti-collision component; 351. first baffle; 352. second baffle; 353. sensor; 4. laser engraving machine; 41. body; 42. laser engraving head; 421. support table; 422. laser engraving seat; 423. laser head; 43. adjustment component; 431. adjustment screw; 432. guide rail; 433. handwheel; 434. handle. DETAILED DESCRIPTION

[0059] The following is combined with Figure 1-7 This application is described in further detail.

[0060] The embodiment of the present application discloses a double-head laser marking device.

[0061] Reference Figure 1 A double-head laser engraving marking device includes a frame 1, a transport component 2 arranged on the frame 1 and used to transport a pallet, two groups of laser engraving machines 4 respectively slidably arranged on the frame 1 and used for marking, and a driving mechanism 3 arranged on the frame 1 and respectively driving the two groups of laser engraving machines 4 to move.

[0062] Reference Figure 2 and Figure 3The frame 1 is a rectangular frame structure. A moving assembly 11 is provided at the bottom of the frame 1 for adjusting the position of the frame 1. The moving assembly 11 includes a universal wheel 111, a threaded rod 112, a tightening block 113 and a locking nut 114. The universal wheel 111 is fixedly installed on the bottom of the frame 1. The universal wheel 111 is in rolling contact with the ground. Multiple groups of universal wheels 111 are arranged at intervals on the bottom of the frame 1. The multiple groups of universal wheels 111 are used to drive the frame 1 to move on the ground; in this embodiment, four groups of universal wheels 111 are provided and are respectively located at the four corners of the bottom of the frame 1.

[0063] Reference Figure 2 and Figure 3 , the threaded rod 112 is threadedly installed on the lower surface of the frame 1, and the threaded rod 112 is provided with multiple groups, and the multiple groups of threaded rods 112 are threadedly installed on the lower surface of the frame 1 at intervals, and the tightening block 113 is rotatably installed on the end of the threaded rod 112 close to the ground. The tightening block 113 is used to tighten against the ground. When the tightening block 113 is pressed against the ground, the universal wheel 111 is away from the ground, so as to lock the position of the frame 1; the locking nut 114 is threadedly installed on the threaded rod 112, and when the locking nut 114 is pressed against the lower surface of the frame 1, the position of the threaded rod 112 is locked; when it is needed When the frame 1 is moved, the locking nut 114 is moved away from the frame 1, the threaded rod 112 is rotated and the pressing block 113 is moved toward the frame 1, and finally the universal wheel 111 is pressed against the ground; when the frame 1 is moved to the specified position, the threaded rod 112 is rotated and the pressing block 113 is moved away from the frame 1, and finally the pressing block 113 is pressed against the ground, and then the locking nut 114 is rotated and pressed against the lower surface of the frame 1, so as to lock the threaded rod 112; the threaded rod 112 of this embodiment is provided with four groups and is respectively located at the four corners of the lower surface of the frame 1.

[0064] Reference Figure 1 A transport assembly 2 for transporting pallets is fixedly installed on the upper surface of the frame 1. The transport assembly 2 includes a conveyor belt 21, a conveyor motor and a positioning member. The motor is used to drive the conveyor belt 21 to rotate, thereby driving the pallet to rotate with the conveyor belt 21; the positioning member is arranged on the frame 1 and is used to position and fix the position of the pallet. The positioning member is composed of a cylinder and a positioning block. When the pallet reaches the specified position, the cylinder drives the positioning block to fix the pallet, and at the same time turns off the conveyor motor to fix the position of the pallet.

[0065] Reference Figure 2 A protective cover 12 is fixedly mounted on the frame 1 to protect the frame 1 and its marking device. A transparent observation window 121 is provided on the protective cover 12 for convenient observation of the marking device. At the same time, a cabinet door is also provided on the protective cover 12 for convenient maintenance and adjustment of the interior of the marking device.

[0066] Reference Figure 4The driving mechanism 3 includes a first mounting seat 31, a first driving assembly 32, a second mounting seat 33, a second driving assembly 34 and an anti-collision assembly 35. The first mounting seat 31 is slidably mounted on the upper surface of the frame 1, and the laser engraving machine 4 is fixedly mounted on the first mounting seat 31 by bolts; the first driving assembly 32 is arranged on the frame 1, and the first driving assembly 32 is used to drive the first mounting seat 31 to slide on the frame 1. The first driving assembly 32 is composed of a first screw rod and a first motor. The first screw rod is rotatably mounted on the frame 1, and the first motor is fixedly mounted on the frame 1. The first motor is used to drive the first screw rod to rotate; when the first motor rotates, it drives the first screw rod to rotate, thereby driving the first mounting seat 31 to move on the frame 1, and then controlling the laser engraving machine 4 on the first mounting seat 31 to mark.

[0067] Reference Figure 4 The second mounting seat 33 is slidably mounted on the upper surface of the frame 1, and the sliding directions of the second mounting seat 33 and the first mounting seat 31 coincide with each other. The laser engraving machine 4 is fixedly mounted on the second mounting seat 33 by bolts. The two groups of laser engraving machines 4 have the same structure and are respectively mounted on the first mounting seat 31 and the second mounting seat 33; the second driving assembly 34 is arranged on the frame 1, and the second driving assembly 34 has the same structure as the first driving assembly 32 but has a different installation position. The second driving assembly 34 is composed of a second screw rod and a second motor. The second screw rod is rotatably mounted on the frame 1, and the axis of the second screw rod is parallel to the axis of the first screw rod. The two ends of the second screw rod are flush with the two ends of the first screw rod. The second motor is fixedly mounted on the frame 1 and is used to drive the second screw rod to rotate; when the second motor rotates, it drives the second screw rod to rotate, thereby driving the second mounting seat 33 to move on the frame 1, and then controlling the laser engraving machine 4 on the second mounting seat 33 to mark.

[0068] Reference Figure 4 and Figure 5Since the sliding directions of the first mounting seat 31 and the second mounting seat 33 coincide with each other, the relative distance between the first mounting seat 31 and the second mounting seat 33 needs to be strictly controlled during the marking process to prevent the two groups of laser engraving machines 4 from colliding with each other; the anti-collision component 35 is arranged on the first mounting seat 31 and is used to drive the second mounting seat 33 to move. The anti-collision component 35 includes a first baffle 351, a second baffle 352, a sensor 353 and an anti-collision controller. The first baffle 351 is fixedly mounted on one end of the first mounting seat 31 close to the second mounting seat 33; the second baffle 352 is fixedly mounted on one end of the second mounting seat 33 close to the first mounting seat 31, and the second baffle 352 is parallel to the first baffle 351; the sensor 353 is fixedly mounted On the side wall of the first baffle 351 close to the second baffle 352, the sensor 353 is used to detect the position of the second baffle 352; the anti-collision controller is fixedly installed on the first mounting seat 31, and the anti-collision controller is electrically connected to the sensor 353. The anti-collision controller controls the moving direction of the first mounting seat 31 and the second mounting seat 33 according to the detection result of the sensor 353; when the sensor 353 detects that the first baffle 351 and the second baffle 352 just begin to overlap with each other, it indicates that the relative distance between the two groups of laser engraving machines 4 reaches the minimum safety value, and the anti-collision controller controls the first drive assembly 32 and the second drive assembly 34, so that the first mounting seat 31 and the second mounting seat 33 can only stop or move in a direction away from each other, so as to prevent the two groups of laser engraving machines 4 from colliding.

[0069] Reference Figure 6 The two groups of laser engraving machines 4 have the same structure but different installation positions. The two groups of laser engraving machines 4 are respectively installed on the first mounting seat 31 and the second mounting seat 33; this embodiment is explained by taking the laser engraving machine 4 installed on the first mounting seat 31, the laser engraving machine 4 includes a body 41, a laser engraving head 42 and an adjustment component 43, the body 41 is fixedly installed on the upper surface of the first mounting seat 31 by bolts, the laser engraving head 42 is vertically slidably installed on the body 41, the laser engraving head 42 is used to mark the product, the laser engraving head 42 includes a support platform 421, a laser engraving seat 422, a laser head 423 and a control system, the support platform 421 is vertically slidably installed on the body 41, and the laser engraving seat 422 is detachably installed on the upper surface of the support platform 421 by bolts; the laser head 423 is rotatably installed on the laser engraving seat 422, the laser head 423 is used for laser marking operations, and marking at different positions is achieved by rotating the laser head 423 during marking; the control system is fixedly installed on the laser engraving seat 422, and the control system is used to control the laser head 423 to operate.

[0070] Reference Figure 6 and Figure 7The adjusting assembly 43 is arranged on the machine body 41 and is used to drive the laser engraving head 42 to slide. The adjusting assembly 43 includes an adjusting screw rod 431, a guide rail 432 and a hand wheel 433. The adjusting screw rod 431 is rotatably mounted on the machine body 41. The axis of the adjusting screw rod 431 is in a vertical state. The adjusting screw rod 431 is threadedly connected with the support platform 421. The support platform 421 is driven to move in the vertical direction by rotating the adjusting screw rod 431, and the support platform 421 cannot drive the adjusting screw rod 431 to rotate; the guide rail 432 is fixedly mounted. On the machine body 41, two groups of guide rails 432 are provided and are respectively located at the two ends of the adjusting screw rod 431. The guide rails 432 are in sliding contact with the support platform 421 and guide the sliding of the support platform 421; the handwheel 433 is fixedly installed on the adjusting screw rod 431, and the handwheel 433 is used to drive the adjusting screw rod 431 to rotate. In order to facilitate the staff to drive the handwheel 433 to rotate, a handle 434 is eccentrically installed on one side of the handwheel 433 for facilitating the rotation of the handwheel 433, and an anti-slip sleeve is fixedly installed on the handle 434.

[0071] The working principle of the embodiment of the present application is as follows:

[0072] The handle 434 drives the hand wheel 433 to rotate to adjust the height of the laser engraving head 42. The first mounting seat 31 and the second mounting seat 33 respectively drive the two groups of laser engraving machines 4 to move on the frame 1 to mark the products on the pallet. The anti-collision component 35 is used to prevent the two groups of laser engraving machines 4 from colliding with each other when marking the products, so that the two groups of laser engraving machines 4 can mark the products simultaneously or separately, thereby improving the marking efficiency of the laser engraving machines 4.

[0073] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A double-head laser engraving marking device, characterized in that: The invention comprises a frame (1), a transport assembly (2) arranged on the frame (1) and used for transporting a pallet, two groups of laser engraving machines (4) respectively slidably arranged on the frame (1) and used for marking, and a driving mechanism (3) arranged on the frame (1) and respectively driving the two groups of laser engraving machines (4) to move, wherein the driving mechanism (3) comprises: A first mounting seat (31), the first mounting seat (31) being slidably disposed on the frame (1), and the laser engraving machine (4) being disposed on the first mounting seat (31); A first driving assembly (32), the first driving assembly (32) being arranged on the frame (1) and used for driving the first mounting seat (31) to move; A second mounting seat (33), the second mounting seat (33) being slidably disposed on the frame (1) and having a sliding direction that overlaps with that of the first mounting seat (31), and the laser engraving machine (4) being disposed on the second mounting seat (33); a second driving assembly (34), the second driving assembly (34) being arranged on the frame (1) and being used to drive the second mounting seat (33) to move; An anti-collision component (35) is arranged on the first mounting seat (31) and is used to prevent the first mounting seat (31) and the second mounting seat (33) from colliding with each other.

2. A double-head laser engraving marking device according to claim 1, characterized in that: The anti-collision component (35) comprises: A first baffle (351), the first baffle (351) being arranged on an end of the first mounting seat (31) close to the second mounting seat (33); a second baffle (352), the second baffle (352) being arranged on one end of the second mounting seat (33) close to the first mounting seat (31), the second baffle (352) and the first baffle (351) being parallel to each other; A sensor (353), wherein the sensor (353) is arranged on the first baffle plate (351) and is used to detect the position of the second baffle plate (352); An anti-collision controller is arranged on the first mounting seat (31) and is electrically connected to the sensor (353), and the anti-collision controller controls the movement direction of the first mounting seat (31) and the second mounting seat (33) according to the detection result of the sensor (353).

3. A double-head laser engraving marking device according to claim 1, characterized in that: The laser engraving machine (4) comprises: A machine body (41), wherein the machine body (41) is arranged on the first mounting seat (31); A laser engraving head (42), the laser engraving head (42) being vertically slidably disposed on the machine body (41) and being used for marking; An adjustment component (43) is arranged on the machine body (41) and is used to drive the laser engraving head (42) to slide.

4. A double-head laser engraving marking device according to claim 3, characterized in that: The regulating component (43) comprises: An adjusting screw rod (431), the adjusting screw rod (431) being rotatably disposed on the machine body (41) and being threadably connected to the laser engraving head (42), the adjusting screw rod (431) being used to drive the laser engraving head (42) to move, and the laser engraving head (42) cannot drive the adjusting screw rod (431) to rotate; A guide rail (432), wherein the guide rail (432) is arranged on the machine body (41) and guides the sliding movement of the laser engraving head (42); A hand wheel (433), wherein the hand wheel (433) is arranged on the adjusting screw rod (431), and the hand wheel (433) is used to drive the adjusting screw rod (431) to rotate.

5. A double-head laser engraving marking device according to claim 4, characterized in that: A handle (434) is eccentrically arranged on one side of the hand wheel (433) for driving the hand wheel (433) to rotate, and an anti-slip sleeve is arranged on the handle (434).

6. A double-head laser engraving marking device according to claim 4, characterized in that: The laser engraving head (42) comprises: A support platform (421), wherein the support platform (421) is slidably disposed on the machine body (41) and is threadably connected to the adjusting screw rod (431); A laser engraving seat (422), wherein the laser engraving seat (422) is detachably mounted on the support platform (421) by means of bolts; A laser head (423), the laser head (423) is rotatably disposed on the laser engraving base (422) and is used for laser operation; A control system, wherein the control system is arranged on the laser engraving base (422) and is used to control the laser head (423).

7. The double-head laser engraving marking device according to claim 1, characterized in that: The frame (1) is provided with a moving component (11) for facilitating adjustment of the position of the frame (1), and the moving component (11) comprises: Universal wheels (111), the universal wheels (111) being arranged on the frame (1) and in rolling contact with the ground, and a plurality of sets of universal wheels (111) being arranged at intervals on the frame (1) and used to drive the frame (1) to move; Threaded rods (112), wherein a plurality of groups of threaded rods (112) are arranged on the frame (1) with spaced threads; A tightening block (113), the tightening block (113) being rotatably disposed on one end of the threaded rod (112) close to the ground, the tightening block (113) being pressed against the ground and locking the position of the frame (1); A locking nut (114) is threadably disposed on the threaded rod (112) and is pressed against the frame (1) to lock the threaded rod (112).

8. The double-head laser engraving marking device according to claim 1, characterized in that: The frame (1) is provided with a protective cover (12), and the protective cover (12) is provided with a transparent observation window (121) for conveniently observing the marking device.

9. The double-head laser engraving marking device according to claim 1, characterized in that: The transport component (2) comprises: A conveyor belt (21), the conveyor belt (21) being rotatably disposed on the frame (1) and used to drive the tray to move; A transmission motor, the transmission motor being arranged on the frame (1) and being used to drive the transmission belt (21) to move; A positioning member, wherein the positioning member is arranged on the frame (1) and is used to position and fix the position of the tray.

Images