Automatic laser carving device for tray
By designing an automated tray laser engraving device, which uses visual inspection and a gripper to automatically adjust the tray orientation, the problem of time-consuming and labor-intensive manual orientation adjustment is solved, achieving efficient and low-cost tray processing.
Patent Information
- Application Number
- CN202511116246.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-11
- Publication Date
- 2025-11-18
AI Technical Summary
The existing trays are not placed correctly during laser engraving, which requires manual observation and adjustment of the orientation, which is time-consuming, labor-intensive, and results in low production efficiency.
Design an automated laser engraving device for trays, using components such as a frame, conveyor belt, vision inspection instrument, positioning stage, laser, and gripper plate to automatically identify, rotate, and position the tray orientation, and automatically complete the laser engraving process.
It improves production and processing efficiency, reduces manual intervention, has low equipment costs, and enhances the accuracy and applicability of laser engraving.
Smart Images

Figure CN120962145A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of tray production and processing, and particularly relates to a tray automatic laser engraving device. BACKGROUND
[0002] In the field of industrial manufacturing, a tray refers to a standardized bearing tool on a production line, which is a tray for transporting and storing workpieces, can bear a weight of 5 kg, and is usually made of antistatic PC material. Before use, the surface of the tray needs to be marked with an identification mark to facilitate subsequent tracking and tracing of the product. The existing identification generally uses a laser engraving device for laser engraving.
[0003] In the related art, the tray product needs to be consistent during laser engraving operation. However, the tray is placed randomly in the material frame, which may be in the opposite direction when the tray is fed. In the existing production, manual observation and manual alignment are required, which is time-consuming and laborious and has low production efficiency. SUMMARY
[0004] In order to reduce human labor, improve the degree of automation of production and processing, and enhance processing efficiency, the present application provides a tray automatic laser engraving device.
[0005] The tray automatic laser engraving device provided by the present application adopts the following technical scheme: A tray automatic laser engraving device, comprising a rack, a first conveying belt, a second conveying belt, a first visual detector, a detection table, a laser, a positioning table and a processor, the first conveying belt and the second conveying belt are drivingly arranged between the rack, the detection table and the positioning table are fixedly arranged between the rack, the detection table is located between the first conveying belt and the second conveying belt, and the positioning table is located at the end of the second conveying belt; one end of the detection table facing the direction of the second conveying belt is fixedly provided with a first limiting plate, one end of the positioning table away from the direction of the second conveying belt is fixedly provided with a second limiting plate, the first visual detector and the laser are arranged on the rack, the first visual detector is located directly above the detection table, and the laser is located directly above the positioning table; a group of sliding blocks are slidably arranged on opposite surfaces of the rack, a plurality of linkage rods are arranged on the sliding blocks, the bottom ends of the linkage rods are connected with a grabbing plate, one end of each linkage rod is hingedly connected with the sliding block, and the other end of each linkage rod is hingedly connected with the grabbing plate; a group of abutting blocks are symmetrically arranged on the side wall of the grabbing plate, an abutting plate is fixedly arranged on the opposite surface of the rack, the abutting blocks are in abutment with the top end of the abutting plate, the top end of the abutting plate is provided with an abutting groove for inserting the abutting blocks, and the abutting groove is arranged along the height direction of the rack; a rotary air cylinder is arranged at the bottom end of the grabbing plate, a vacuum suction cup is connected with the drive shaft of the rotary air cylinder, and the rotary air cylinder and the first visual detector are both signal-connected with the processor.
[0006] By adopting the technical scheme, the tray is transported on the first conveying belt, the first conveying belt transports the tray to the detection table, the first limiting plate limits the tray on the detection table, and the orientation of the tray is photographed and recognized by the first visual detector at this time. Then the sliding block slides to the first conveying belt direction, the sliding block slides and drives the grabbing plate to slide between the abutment plates through the linkage rod, the abutment blocks on the grabbing plate slide on the top end of the abutment plate, and when the abutment blocks slide to be flush with the abutment grooves, the abutment blocks are inserted into the abutment grooves under the influence of gravity, the linkage rod is rotated to the vertical state, so that the grabbing plate is lowered to approach the detection table, and the vacuum suction cup is contacted and adsorbed with the tray. Then the sliding block slides to the second conveying belt direction, the sliding block drives the grabbing plate through the linkage rod, the abutment blocks are separated from the abutment grooves, the abutment blocks slide out of the abutment grooves to the top end of the abutment plate, and at this time the linkage rod is inclined, so that the grabbing plate is lifted to be able to pass through the first limiting plate. The sliding block slides to the second conveying belt while the processor controls the rotary air cylinder to work based on the recognition result of the first visual detector to drive the tray to rotate, the sliding block drives the tray below the grabbing plate to slide to above the second conveying belt, the vacuum suction cup releases the tray, the tray falls on the second conveying belt, the second conveying belt continues to transport the tray to the positioning table, the second limiting plate limits the tray on the positioning table at this time, and finally the laser performs laser engraving on the tray on the positioning table. The whole process has high automation degree, does not need to observe the orientation of the tray manually, adjusts the orientation of the tray while automatically adsorbing and carrying the tray, improves the production and processing efficiency, and the production cost of the equipment is low.
[0007] Preferably, the cross section of the abutment block is circular, and the abutment block is rotationally connected between the side wall of the grabbing plate.
[0008] By adopting the technical scheme, the sliding block slides to drive the grabbing plate to slide between the abutment plates through the linkage rod, and the abutment blocks at both ends of the grabbing plate abut against the abutment plates, and the abutment blocks rotate between the grabbing plate under the action of friction, so that the friction between the abutment blocks and the abutment plates is reduced, which is beneficial to prolong the service life of the equipment.
[0009] Preferably, a connecting rod is fixedly arranged between the sliding blocks, a first standard air cylinder is fixedly arranged between the racks, and a piston rod of the first standard air cylinder is connected with the connecting rod.
[0010] By adopting the above technical scheme, the first standard air cylinder controls the connection rod to slide along the length direction of the rack, and then controls the sliding block to quickly reciprocate between the racks, the first standard air cylinder piston rod retraction drives the grabbing plate to approach the detection table, and the first standard air cylinder piston rod extension drives the grabbing plate to approach the second conveying belt, so that the grabbing plate can slide and lift at the same time through one power source of the first standard air cylinder, and the control is convenient and fast.
[0011] As preferred, the rack is provided with a mounting frame, a group of material arranging plates are symmetrically arranged at the bottom end of the mounting frame, the material arranging plates are located above the second conveying belt, one end of the material arranging plates towards the first conveying belt direction is inclinedly arranged, the material arranging plates are slidably arranged between the mounting frame, and the mounting frame is provided with an adjusting assembly for driving the material arranging plates to relatively slide.
[0012] As preferred, the adjusting assembly comprises a motor, a lead screw, a first threaded segment and a second threaded segment, the lead screw is rotationally arranged on the mounting frame, the motor is fixedly arranged on the mounting frame, the motor is signal connected with the processor, a driving shaft of the motor is connected with the lead screw, the first threaded segment and the second threaded segment are symmetrically arranged on the lead screw and have opposite screwing directions, one of the material arranging plates is threadedly connected with the first threaded segment, and the other material arranging plate is threadedly connected with the second threaded segment, and the motor is signal connected with the processor.
[0013] By adopting the above technical scheme, the first visual detector can identify the size of the tray while identifying the orientation of the tray, then the processor controls the motor to work based on the identification result, the motor drives the lead screw to rotate, one of the material arranging plates slides on the first threaded segment, and the other material arranging plate slides on the second threaded segment, the two material arranging plates are controlled to quickly approach or move away from each other, the distance between the two material arranging plates is adjusted, when the tray is conveyed on the second conveying belt, the material arranging plates limit and guide the tray, so that the tray can be conveyed in an orderly manner to the positioning table, thereby improving the accuracy of laser engraving of the laser, and the application range of the equipment is wide.
[0014] As preferred, the rack is further provided with a second visual detector signal connected with the processor, a group of rotating shafts are symmetrically arranged at two ends of the positioning table, the rotating shafts are rotationally connected with the rack, the rack is provided with a blanking assembly for driving the rotating shafts to rotate, and the blanking assembly is signal connected with the processor.
[0015] As preferred, the blanking assembly comprises a second standard air cylinder, a gear and a rack, one end of the rotating shaft away from the positioning table is fixedly connected with the gear, the gear is coaxially arranged with the rotating shaft, the second standard air cylinder is fixedly arranged on the rack, a piston rod of the second standard air cylinder is connected with the rack, and the rack is meshed with the gear.
[0016] By adopting the above technical scheme, when the tray is transported on the second conveying belt, the second visual detector continues to detect the tray, the second visual detector detects the surface defects of the tray, such as dirt, damage, cracks, deformation, etc., and the controller controls the piston rod of the second standard cylinder based on the recognition result of the second visual detector. The second standard cylinder drives the rack to abut against the gear, drives the gear and the rotating shaft to rotate, and can control the positioning table to rotate in different directions. After the normal tray is laser engraved, the unloading assembly controls the positioning table to rotate downward, and the positioning table inclines the tray to slide downward and unload. After the tray with defects is transported to the positioning table, the unloading assembly controls the positioning table to rotate upward, so that the positioning table is turned over, and the tray is unloaded from the end of the rack, thereby realizing rapid batch unloading.
[0017] Preferably, a dust collector is arranged on the rack.
[0018] By adopting the above technical scheme, the dust collector works to suck away harmful gas when the laser engraver performs laser engraving, thereby reducing pollution and damage.
[0019] In summary, the present application has at least one of the following beneficial technical effects: 1. By arranging the rack, the first conveying belt, the second conveying belt, the first visual detector, the detection table, the laser engraver, the positioning table, the processor, the first limiting plate, the second limiting plate, the sliding block, the linkage rod, the grabbing plate, the abutting block, the abutting plate, the abutting groove, the rotating cylinder and the vacuum suction cup, the entire process is highly automated, the orientation of the tray does not need to be observed by a person, the orientation of the tray is adjusted while the tray is automatically adsorbed and carried, the production and processing efficiency is improved, and the production cost of the equipment is low; 2. By arranging the mounting frame, the material arranging plate, the motor, the lead screw, the first threaded section and the second threaded section, the first visual detector can identify the size of the tray while identifying the orientation of the tray, and then the processor controls the motor to work based on the recognition result. One material arranging plate slides on the first threaded section, and the other material arranging plate slides on the second threaded section. The two material arranging plates are controlled to quickly approach or move away from each other, so as to adjust the distance between the two material arranging plates. When the tray is transported on the second conveying belt, the material arranging plate limits and guides the tray, so that the tray can be transported in an orderly manner to the positioning table, thereby improving the accuracy of the laser engraving of the laser engraver, and the equipment has a wide application range; 3. By setting the second visual detector, the second standard cylinder, the gear and the rack, the second visual detector detects the surface defects of the tray, the controller controls the second standard cylinder to drive the rack to resist the gear, drives the gear and the rotating shaft to rotate, after the normal tray is engraved by laser, the positioning table is controlled by the unloading assembly to rotate downward, the positioning table inclines the tray to slide and unload, and the tray with defects is transported to the positioning table, the positioning table is controlled by the unloading assembly to rotate upward, the positioning table is turned over, the tray is unloaded from the end of the rack, and rapid batch unloading is realized. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is a schematic diagram of a tray automatic laser engraving device provided by the embodiment of the application.
[0021] Figure 2 is a schematic diagram of a tray automatic laser engraving device provided by the embodiment of the application.
[0022] Figure 3 is a partial schematic diagram for embodying the connection relationship between the sliding block and the grabbing plate in the embodiment of the application.
[0023] Mark 1, rack; 11, first conveying belt; 12, second conveying belt; 13, detection table; 14, laser; 15, positioning table; 151, rotating shaft; 16, dust collector; 21, first visual detector; 22, second visual detector; 31, first limiting plate; 32, second limiting plate; 4, sliding block; 41, linkage rod; 42, grabbing plate; 421, rotating cylinder; 422, vacuum chuck; 5, abutting block; 51, abutting plate; 52, abutting groove; 6, connecting rod; 61, first standard cylinder; 7, mounting frame; 71, sorting plate; 8, adjusting assembly; 81, motor; 82, screw rod; 821, first threaded section; 822, second threaded section; 9, unloading assembly; 91, second standard cylinder; 92, gear; 93, rack. DETAILED DESCRIPTION
[0024] The following will be described in detail in combination with the accompanying drawings Figures 1-3 The application will be further described in detail.
[0025] The embodiment of the application discloses a tray automatic laser engraving device. Referring to Figure 1 and Figure 2It includes a rack 1, a first conveying belt 11, a second conveying belt 12, a first visual detector 21, a detection table 13, a laser 14, a positioning table 15 and a processor, the first conveying belt 11 and the second conveying belt 12 are drivingly arranged between the rack 1, and the length direction of the first conveying belt 11 and the second conveying belt 12 is arranged along the length direction of the rack 1. The detection table 13 and the positioning table 15 are fixedly arranged between the rack 1, the detection table 13 is located between the first conveying belt 11 and the second conveying belt 12, and the positioning table 15 is located at the end of the second conveying belt 12. An end of the detection table 13 facing the direction of the second conveying belt 12 is fixedly provided with a first limiting plate 31, after the tray is conveyed on the first conveying belt 11, the first conveying belt 11 conveys the tray to the detection table 13, and the first limiting plate 31 limits the tray on the detection table 13.
[0026] With reference to Figure 1 and Figure 2 , the first visual detector 21 and the laser 14 are arranged on the rack 1, the first visual detector 21 is located directly above the detection table 13, and when the tray is conveyed to the detection table 13, the first visual detector 21 identifies the orientation of the tray by taking a photo. A group of sliding blocks 4 are slidably arranged on the opposite surface of the rack 1, the sliding blocks 4 can slide along the length direction of the rack 1, a connecting rod 6 is fixedly arranged between the sliding blocks 4, a first standard cylinder 61 is fixedly arranged between the rack 1, the length direction of the first standard cylinder 61 is arranged along the length direction of the rack 1, and the piston rod of the first standard cylinder 61 is connected with the connecting rod 6. The connecting rod 6 is controlled to slide along the length direction of the rack 1 by the first standard cylinder 61, so as to control the sliding blocks 4 to quickly reciprocate between the rack 1.
[0027] With reference to Figure 1 and Figure 3 , a plurality of linkage rods 41 are arranged on the sliding block 4, in this embodiment, there are two linkage rods 41 symmetrically arranged on each sliding block 4, the bottom ends of the linkage rods 41 are jointly connected with a grabbing plate 42, the grabbing plate 42 is arranged in the horizontal direction, one end of the linkage rod 41 is hinged with the sliding block 4, and the other end of the linkage rod 41 is hinged with the grabbing plate 42. A group of abutting blocks 5 are symmetrically arranged on the side wall of the grabbing plate 42, the cross section of the abutting block 5 is circular, and the abutting block 5 is rotatably connected with the side wall of the grabbing plate 42.
[0028] With reference to Figures 1 to 3The opposite face of the rack 1 is fixedly provided with an abutment plate 51, the length direction of the abutment plate 51 is arranged along the length direction of the rack 1, the top end of the abutment plate 51 is horizontal, the abutment block 5 abuts against the top end of the abutment plate 51, the top end of the abutment plate 51 is provided with an abutment groove 52 for inserting the abutment block 5, and the abutment groove 52 is arranged along the height direction of the rack 1. The bottom end of the grabbing plate 42 is provided with a rotary air cylinder 421, the driving shaft of the rotary air cylinder 421 is connected with a vacuum suction cup 422, and the rotary air cylinder 421 and the first visual detector 21 are signal-connected with the processor. When the first conveying belt 11 conveys the tray to the detection table 13, the piston rod of the first standard air cylinder 61 is retracted to drive the sliding block 4 to slide to the first conveying belt 11 first, the sliding block 4 slides while driving the grabbing plate 42 to slide between the abutment plates 51 through the linkage rod 41, the abutment block 5 on the grabbing plate 42 slides at the top end of the abutment plate 51, and the abutment block 5 rotates between the grabbing plate 42 under the action of friction. When the abutment block 5 slides to be flush with the abutment groove 52, the abutment block 5 is inserted into the abutment groove 52 under the influence of gravity, the linkage rod 41 is rotated to be vertical, so that the grabbing plate 42 is lowered to be close to the detection table 13, the vacuum suction cup 422 is brought into contact with the tray to be adsorbed; then, the piston rod of the first standard air cylinder 61 is elongated to drive the sliding block 4 to slide to the second conveying belt 12 again, the sliding block 4 drives the grabbing plate 42 to pull the abutment block 5 away from the abutment groove 52, the abutment block 5 slides out of the abutment groove 52 to the top end of the abutment plate 51, at this time, the linkage rod 41 is inclined, so that the grabbing plate 42 is lifted to be able to pass through the first limiting plate 31; at the same time, the processor controls the rotary air cylinder 421 to work based on the recognition result of the first visual detector 21 to drive the tray to rotate, the sliding block 4 drives the tray below the grabbing plate 42 to slide to above the second conveying belt 12, the vacuum suction cup 422 releases the tray, and the tray falls on the second conveying belt 12, without manual observation of the direction of the tray, the tray is automatically adsorbed and carried while the direction of the tray is adjusted.
[0029] With reference to Figure 1 And Figure 2 The end, away from the second conveying belt 12, of the positioning table 15 is fixedly provided with a second limiting plate 32, and the laser 14 is located directly above the positioning table 15. After the tray with the adjusted direction falls on the second conveying belt 12, the second conveying belt 12 continues to convey the tray to the positioning table 15, at this time, the second limiting plate 32 limits the tray on the positioning table 15, and finally the laser 14 performs laser engraving on the tray on the positioning table 15. The whole processing process has high automation, and the production cost of the equipment is low.
[0030] With reference to Figure 2, the rack 1 is provided with a mounting frame 7, the bottom end of the mounting frame 7 is symmetrically provided with a group of material sorting plates 71, one end of the material sorting plate 71 towards the first conveying belt 11 direction is inclinedly arranged, and the material sorting plate 71 is located above the second conveying belt 12. The material sorting plate 71 is slidingly arranged between the mounting frame 7, the mounting frame 7 is provided with an adjusting assembly 8, the adjusting assembly 8 includes a motor 81, a lead screw 82, a first threaded section 821 and a second threaded section 822, the lead screw 82 is rotationally arranged on the mounting frame 7, the length direction of the lead screw 82 is arranged along the width direction of the rack 1, the motor 81 is fixedly arranged on the mounting frame 7, the driving shaft of the motor 81 is connected with the lead screw 82, the first threaded section 821 and the second threaded section 822 are symmetrically arranged on the lead screw 82 and the screwing directions are opposite, one of the material sorting plates 71 is threadedly connected with the first threaded section 821, and the other material sorting plate 71 is threadedly connected with the second threaded section 822, and the motor 81 is signal-connected with the processor. The first visual detector 21 can identify the size of the tray while identifying the orientation of the tray, and then the processor controls the motor 81 to work based on the identification result, the motor 81 drives the lead screw 82 to rotate, one of the material sorting plates 71 slides on the first threaded section 821, and the other material sorting plate 71 slides on the second threaded section 822, the distance between the two material sorting plates 71 is controlled to be close or far away, the distance between the two material sorting plates 71 is adjusted, when the tray is conveyed on the second conveying belt 12, the material sorting plate 71 limits and guides the tray, so that the tray can be conveyed to the positioning table 15 in an orderly manner, thereby improving the accuracy of the laser engraving of the laser 14, and the application range of the equipment is wide Referring to Figure 1The rack 1 is further provided with a second visual detector 22 connected with the processor, and a group of rotating shafts 151 are symmetrically arranged at two ends of the positioning table 15 and rotationally connected between the rotating shafts 151 and the rack 1. The rack 1 is provided with a discharging assembly 9, which comprises a second standard air cylinder 91, a gear 92 and a rack 93. An end of the rotating shaft 151 away from the positioning table 15 is fixed with the gear 92, the gear 92 is coaxially arranged between the rotating shaft 151, the second standard air cylinder 91 is fixedly arranged on the rack 1, a piston rod of the second standard air cylinder 91 is connected with the rack 93, and the rack 93 is meshed with the gear 92. When the tray disc is transported on the second conveying belt 12, the second visual detector 22 continues to detect the tray disc, detects the surface defects of the tray disc such as dirt, damage, cracks and deformation, and controls the piston rod of the second standard air cylinder 91 based on the recognition result of the second visual detector 22. The second standard air cylinder 91 drives the rack 93 to abut against the gear 92, drives the gear 92 and the rotating shaft 151 to rotate, and can control the positioning table 15 to rotate in different directions. After the normal tray disc is laser engraved, the discharging assembly 9 controls the positioning table 15 to rotate downward, and the positioning table 15 inclines to make the tray disc slide downward and be discharged. After the tray disc with defects is transported to the positioning table 15, the discharging assembly 9 controls the positioning table 15 to rotate upward, so that the positioning table 15 is turned over, the tray disc is discharged from the end of the rack 1, and the tray disc is quickly discharged in batches.
[0031] With reference to Figure 2 The rack 1 is provided with a dust collector 16, the dust collector 16 works to suck away harmful gas when the laser engraver 14 performs laser engraving, so as to reduce pollution and damage.
[0032] The implementation principle of the tray automatic laser engraving device is as follows: the tray is transported on the first conveying belt 11, the first conveying belt 11 transports the tray to the detection table 13, the first limiting plate 31 limits the tray on the detection table 13, and the orientation of the tray is photographed and recognized by the first visual detector 21 at this time; then, the first standard cylinder 61 works, drives the sliding block 4 to slide to the first conveying belt 11 direction, the sliding block 4 slides and drives the grabbing plate 42 to slide between the abutting plates 51 through the linkage rod 41, the abutting block 5 on the grabbing plate 42 slides on the top end of the abutting plate 51, when the abutting block 5 slides to be flush with the abutting groove 52, the abutting block 5 is inserted into the abutting groove 52 under the influence of gravity, the linkage rod 41 rotates to the vertical state, so that the grabbing plate 42 descends to be close to the detection table 13, drives the vacuum sucker 422 to contact and adsorb the tray. Then, the first standard cylinder 61 works again, drives the sliding block 4 to slide to the second conveying belt 12 direction, the sliding block 4 drives the grabbing plate 42 through the linkage rod 41, drives the abutting block 5 to be separated from the abutting groove 52, the abutting block 5 slides out of the abutting groove 52 to the top end of the abutting plate 51, at this time the linkage rod 41 is inclined, so that the grabbing plate 42 is lifted to be able to pass through the first limiting plate 31. While the grabbing plate 42 grabs the tray and moves, the processor controls the rotary cylinder 421 to work based on the recognition result of the first visual detector 21 to drive the tray to rotate, the sliding block 4 drives the tray below the grabbing plate 42 to slide to above the second conveying belt 12, the vacuum sucker 422 releases the tray, the tray falls on the second conveying belt 12, the second conveying belt 12 continues to transport the tray to the positioning table 15, at this time the second limiting plate 32 limits the tray on the positioning table 15, and finally the laser 14 performs laser engraving on the tray on the positioning table 15. The whole process has high automation degree, does not need to observe the orientation of the tray manually, adjusts the orientation of the tray while automatically adsorbing and carrying the tray, improves the production and processing efficiency, and the production cost of the equipment is low.
[0033] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered into the protection scope of the present application.
Claims
1. An automated laser engraving device for a tray, characterized in that: The system includes a frame (1), a first conveyor belt (11), a second conveyor belt (12), a first vision inspection instrument (21), an inspection table (13), a laser (14), a positioning table (15), and a processor. The first conveyor belt (11) and the second conveyor belt (12) are driven between the frame (1). The inspection table (13) and the positioning table (15) are fixedly installed between the frame (1). The inspection table (13) is located between the first conveyor belt (11) and the second conveyor belt (12). (15) is located at the end of the second conveyor belt (12); the end of the detection table (13) facing the second conveyor belt (12) is fixedly provided with a first limiting plate (31), and the end of the positioning table (15) away from the second conveyor belt (12) is fixedly provided with a second limiting plate (32). The first visual inspection instrument (21) and the laser (14) are mounted on the frame (1). The first visual inspection instrument (21) is located directly above the detection table (13), and the laser (14) is located on the positioning table. (15) directly above; a set of sliding blocks (4) are slidably arranged on the opposite surface of the frame (1), and a number of linkage rods (41) are arranged on the sliding blocks (4). The bottom ends of the linkage rods (41) are connected to the gripping plate (42). One end of the linkage rod (41) is hinged to the sliding block (4), and the other end of the linkage rod (41) is hinged to the gripping plate (42). A set of abutment blocks (5) are symmetrically arranged on the side wall of the gripping plate (42). The opposite surface of the frame (1) is fixedly arranged with The abutting plate (51) has an abutting block (5) that abuts against the top of the abutting plate (51). The top of the abutting plate (51) has an abutting groove (52) for the abutting block (5) to be inserted. The abutting groove (52) is set along the height direction of the frame (1). The bottom end of the gripping plate (42) is provided with a rotary cylinder (421). The drive shaft of the rotary cylinder (421) is connected to a vacuum suction cup (422). The rotary cylinder (421) and the first vision inspection instrument (21) are both connected to the processor signal.
2. The automated laser engraving device for a tray according to claim 1, characterized in that: The abutment block (5) has a circular cross-section and is rotatably connected to the side wall of the gripping plate (42).
3. The automated laser engraving device for a tray according to claim 1, characterized in that: A connecting rod (6) is fixedly arranged between the sliding blocks (4), and a first standard cylinder (61) is fixedly arranged between the frames (1). The piston rod of the first standard cylinder (61) is connected to the connecting rod (6).
4. The automated laser engraving device for a tray according to claim 1, characterized in that: The frame (1) is provided with a mounting frame (7), and a set of material feeding plates (71) are symmetrically arranged at the bottom end of the mounting frame (7). The material feeding plates (71) are located above the second conveyor belt (12). The material feeding plates (71) are inclined at one end toward the direction of the first conveyor belt (11). The material feeding plates (71) and the mounting frame (7) are slidably arranged. The mounting frame (7) is provided with an adjustment component (8), which is used to drive the material feeding plates (71) to slide relative to each other.
5. The automated laser engraving device for a tray according to claim 4, characterized in that: The adjustment assembly (8) includes a motor (81), a lead screw (82), a first threaded section (821), and a second threaded section (822). The lead screw (82) is rotatably mounted on the mounting bracket (7), and the motor (81) is fixedly mounted on the mounting bracket (7). The motor (81) is signal-connected to the processor. The drive shaft of the motor (81) is interconnected with the lead screw (82). The first threaded section (821) and the second threaded section (822) are symmetrically arranged on the lead screw (82) and have opposite rotation directions. One of the feed plates (71) is threadedly connected to the first threaded section (821), and the other feed plate (71) is threadedly connected to the second threaded section (822). The motor (81) is signal-connected to the processor.
6. The automated laser engraving device for a tray according to claim 1, characterized in that: The frame (1) is also equipped with a second vision inspection instrument (22) connected to the processor. A set of rotating shafts (151) are symmetrically arranged at both ends of the positioning stage (15). The rotating shafts (151) are rotatably connected to the frame (1). The frame (1) is equipped with a feeding assembly (9). The feeding assembly (9) is used to drive the rotating shafts (151) to rotate. The feeding assembly (9) is connected to the processor.
7. The automated laser engraving device for a tray according to claim 6, characterized in that: The feeding assembly (9) includes a second standard cylinder (91), a gear (92) and a rack (93). One end of the rotating shaft (151) away from the positioning table (15) is fixed to the gear (92). The gear (92) and the rotating shaft (151) are coaxially arranged. The second standard cylinder (91) is fixedly arranged on the frame (1). The piston rod of the second standard cylinder (91) is connected to the rack (93). The rack (93) and the gear (92) mesh with each other.
8. The automated laser engraving device for a tray according to claim 1, characterized in that: A vacuum cleaner (16) is installed on the frame (1).