CN217506767U - Artificial intelligence manufacturing training platform - Google Patents

Abstract

The utility model relates to an artificial intelligence makes real standard platform, visual detection device, assembly module, manipulator and real standard base, is provided with the guide rail on the real standard base. Grinding device is including collecting box and polisher, and the collection box setting is on real base of instructing, and the polisher slides and sets up on real base of instructing, is provided with the bistrique that is used for polishing the blade on the polisher. The visual detection device comprises a detection camera arranged on the practical training base, and the detection camera is used for detecting whether the blade is qualified or not. The assembly module is provided with a turbofan component for installing the blade. The manipulator slides and sets up on the guide rail, and the end of manipulator can the centre gripping blade and transport the blade to polisher department and polish, then transports the blade after will polishing to detection camera department, installs the blade to the turbofan part on at last, utilizes the manipulator clamp to get the simulation process that polishing, detection and assembly of blade were accomplished to the blade for the student possesses the ability of debugging automation equipment.

Description

Artificial intelligence manufacturing training platform

Technical Field

The utility model relates to a teaching field is made to the intelligence, especially relates to artificial intelligence makes real standard platform.

Background

The intelligent manufacturing can greatly improve the production efficiency, and the intelligent manufacturing comprises the automatic processing, detection and assembly of objects. And the process of intelligent manufacturing needs the cooperation between a plurality of devices, in addition, at the in-process of intelligent manufacturing, there is the place that needs machine learning, for example, the detection of curved surface, need to detect the continuous study of camera and then discern the curved surface and then judge whether qualified curved surface, this just needs people to be able to debug relevant machine and master the ability of certain artificial intelligence algorithm, but people can not receive relevant system training before getting into this field, also do not have corresponding teaching machine, so need for one kind can let the people hold the teaching platform of intelligent manufacturing ability urgently.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides an artificial intelligence makes real standard platform aims at providing one kind and can let the palm hold the teaching platform of intelligent manufacturing ability.

(II) technical scheme

In order to solve the problems, the utility model provides an intelligent manufacturing practical training platform, which comprises a polishing device, a visual detection device, an assembly module, a manipulator and a practical training base;

the practical training base is provided with a guide rail, the manipulator is arranged on the guide rail in a sliding mode, and the tail end of the manipulator can clamp the blade;

the grinding device comprises a collecting box and a grinding machine, the collecting box is arranged on the practical training base and is arranged close to one end of the guide rail, the grinding machine is arranged on the practical training platform in a sliding mode and is arranged at the edge of the collecting box, and a grinding head used for grinding the blade is arranged on the grinding machine;

the visual detection device comprises a detection camera arranged on the practical training base, the detection camera is positioned on the first side of the guide rail, and the detection camera is used for detecting whether the blade is qualified or not;

the assembling module is provided with a turbofan component used for installing the blade, and the turbofan component is positioned on the second side of the guide rail.

Preferably, the intelligent manufacturing training platform further comprises a quick-change tool module;

the quick-change tool module comprises a tool rack and a tool plate, the tool rack is fixedly mounted on the practical training base, the tool plate is mounted on the tool rack, and a clamping jaw tool is arranged on the tool plate;

the clamping jaw tool comprises at least two clamping jaws capable of moving relatively, the clamping jaw tool can be installed at the tail end of the manipulator, and the clamping jaw tool is used for clamping the blade.

Preferably, the intelligent manufacturing practical training platform further comprises a simulated welding module, the simulated welding module comprises a rotating disc and a welding workpiece to be welded, the welding workpiece to be welded is placed on the rotating disc, the rotating disc is rotatably installed on the practical training base, and the rotating disc is located on the first side of the guide rail;

still set up simulation welding gun on the instrument board, the one end of simulation welding gun can the lasing, the end of manipulator can be installed simulation welding gun.

Preferably, the simulation welding module further comprises a scale pointer, the scale pointer is fixedly arranged on the practical training base and is close to the edge of the rotating disc, scales are arranged on the edge of the rotating disc, and the scale pointer is used for indicating the rotating angle of the rotating disc.

Preferably, the visual inspection device further comprises an inspection rack and a ring-shaped light source;

the annular light source and the detection camera are arranged on the detection rack, the annular light source is located between the practical training base and the detection camera, and the detection camera is located on a central line of the annular light source.

Preferably, the end of the manipulator is further provided with a visual camera.

Preferably, the turbofan part is provided with a plurality of grooves for mounting the vanes.

Preferably, the intelligent manufacturing training platform further comprises a storage platform and an AGV;

the storage platform comprises a storage rack and a feeding device, and a plurality of storage plates are arranged on the storage rack;

the feeding device comprises a feeding rail, a feeding plate and a feeding frame, the feeding rail is arranged close to the storage rack, the feeding frame is arranged on the feeding rail in a sliding mode and can move along the X direction, a feeding sliding block is arranged on the feeding frame in a sliding mode and can move along the Z direction, the feeding plate is arranged on the feeding sliding block in a sliding mode and can move above the storage plate in the Y direction; any two of the X direction, the Y direction and the Z direction are vertical to each other;

be provided with receiving device on the AGV dolly, the manipulator can with turbofan part clamp is got and is transported extremely the AGV dolly on the receiving device, the AGV dolly can with turbofan part transport extremely on the delivery sheet, the delivery sheet can with the turbofan part is transported extremely on the storing board.

Preferably, the feed plates comprise a first feed plate and a second feed plate;

the first feeding plate is arranged on the feeding sliding block in a sliding mode, the second feeding plate is arranged on the first feeding plate in a sliding mode, and the first feeding plate is located between the feeding sliding block and the second feeding plate;

a driving motor and a first rack are arranged on the feeding sliding block, the length direction of the first rack is the Y direction, and a first gear is arranged on an output shaft of the driving motor;

the first feeding plate is provided with a second rack and a second gear, the second rack is fixedly arranged on the first feeding plate along the Y direction, the second rack is meshed with the first gear, the second gear is rotatably arranged on the first feeding plate, and the second gear is meshed with the first rack;

and a third rack is arranged on the second feeding plate along the Y direction and meshed with the second gear.

(III) advantageous effects

The utility model discloses well manipulator can grasp blade motion and realize polishing to the automation of blade to bistrique department, and the manipulator will polish the blade motion after accomplishing again to the below of detecting the camera, judges whether qualified according to the testing result of detecting the camera that the blade is, if the blade is qualified, the blade is installed on the turbofan part just to pressing from both sides and getting the blade to the manipulator. The grinding, detection and assembly of the blade are fully automatic, and the automatic production process is simulated. In addition, the machine learning algorithm is built in the visual detection device, and the machine learning algorithm is applied to the process of detecting the curved surface on the detection blade of the camera, so that the machine learning algorithm of the student can be trained to be applied to production, and the student can master the intelligent manufacturing capability.

Drawings

FIG. 1 is a schematic view of the overall structure of the artificial intelligence manufacturing training platform of the present invention;

FIG. 2 is a schematic view of a part of an artificial intelligence manufacturing training platform according to the present invention;

FIG. 3 is a schematic structural view of a turbofan according to the present invention;

fig. 4 is a schematic structural view of a warehousing platform of the present invention;

fig. 5 is an enlarged view of fig. 4 at a.

[ description of reference ]

11: a sander; 12: a collection box; 2: a visual inspection device; 21: detecting a camera; 22: detecting the rack; 23: an annular light source; 3: assembling the module; 31: a turbofan component; 32: a groove; 33: a blade; 4: a manipulator; 5: a training base; 51: a guide rail; 6: a tool module; 61: a tool holder; 62: a tool plate; 63: a jaw tool; 64: simulating a welding gun; 7: a welding simulation module; 71: rotating the disc; 72: a workpiece to be welded; 73: a scale pointer; 8: a warehousing platform; 81: a storage rack; 811: a storage plate; 82: a feeding device; 821: a feeding track; 822: a feeding plate; 8221: a first feeding plate; 8222: a second feeding plate; 8223: a second rack; 8224: a second gear; 8225: a third rack; 823: a feeding frame; 8231: a feeding slide block; 8232: a drive motor; 8233: a first rack; 8234: a first gear; 9: an AGV trolley; 91: receiving device.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model provides a real platform of instructing is made to intelligence, and real platform of instructing is made to intelligence includes grinding device, visual detection device 2, assembly module 3, manipulator 4 and real base 5 of instructing.

Be provided with guide rail 51 on the real standard base 5, manipulator 4 slides and sets up on guide rail 51, and the terminal blade 33 that can the centre gripping of manipulator 4, the terminal of manipulator 4 still is provided with the vision camera, can adjust and feed back the motion of manipulator 4 through setting up the vision camera, avoids bumping and controls the manipulator 4 and move to the assigned position. Grinding device is including collecting box 12 and polisher 1, collects box 12 and sets up on real standard base 5 and collect the one end setting that box 12 is close to guide rail 51, polisher 1 slides and sets up on real standard platform and polisher 1 sets up the edge at collecting box 12, is provided with the bistrique that is used for polishing blade 33 on polisher 1, and polisher 1 machine waste material that produces at the during operation can fall to collecting box 12 in. The visual inspection device 2 comprises an inspection camera 21 arranged on the practical training base 5, the inspection camera 21 is located on the first side of the guide rail 51, and the inspection camera 21 is used for inspecting whether the blade 33 is qualified or not. Whether blade 33 is qualified is judged through whether there is defect and pit on detecting blade 33 to detection camera 21, is provided with the waste material box near the position that detects camera 21 on real standard base 5 in addition, and the waste material box is used for placing unqualified blade 33. The assembly module 3 is provided with a turbofan part 31 for mounting the blade 33, and the turbofan part 31 is located at a second side of the guide rail 51. The turbofan part 31 is provided with a plurality of grooves 32 for installing the blades 33, and the robot arm 4 can automatically install the blades 33 by gripping the blades 33 and installing the blades 33 into the grooves 32 of the turbofan part 31.

The utility model discloses well manipulator 4 can grasp blade 33 and move to bistrique department and realize polishing blade 33's automation, and manipulator 4 will polish blade 33 after the completion again and move to the below of detecting camera 21, judge whether qualified according to detecting camera 21's testing result blade 33, if blade 33 is qualified, manipulator 4 just presss from both sides and gets blade 33 and installs blade 33 on turbofan part 31. The grinding, detection and assembly of the leaves 33 is fully automated, simulating an automated production process, which can foster the programming ability of students as well as the on-site mechanical commissioning ability. The utility model discloses in, because the shape of blade 33 is anomalous, and there is the curved surface on the blade 33, in order to let whether qualified in the curved surface on the detection blade 33 that detection camera 21 can be better, visual detection device 2 embeds has machine learning algorithm, trains machine learning algorithm through letting detection camera 21 detect a plurality of blades 33 that have the curved surface, and then lets detection camera 21 detect the rate of accuracy that the curved surface was gone up to blade 33 and obtain greatly improving. Through the process that the detection camera 21 detects the curved surface on the blade 33, students can be trained to apply the machine learning algorithm to the detection process, and then the students can master the intelligent manufacturing capacity.

In a preferred embodiment, the turbofan component 31 is a cylindrical mounting block, wherein the groove 32 is disposed on a side surface of the cylindrical mounting block, a positioning hole is further disposed on an end surface of one end of the cylindrical mounting block, the assembly module 3 includes a positioning shaft fixedly disposed on the practical training base 5 and matched with the positioning hole, and the positioning shaft is disposed on the practical training platform, so that when the blade 33 is automatically mounted on the turbofan component 31, the positioning shaft can position the turbofan component 31. In addition, the intelligent manufacturing practical training platform further comprises an engine device fixedly arranged on the practical training base 5, wherein an output shaft is rotatably arranged on the engine device, the mechanical arm 4 can assemble the turbofan component 31 provided with the blades 33 to one end of the output shaft, the output shaft drives the turbofan component 31 to rotate, and then whether the whole turbofan component 31 is qualified is tested, wherein a positioning hole in the turbofan component 31 can be sleeved on the output shaft, the cross section of the positioning hole is not circular, and then the output shaft can drive the turbofan component 31 to rotate. In addition be provided with face identification camera and be used for the keyboard of input password on real standard base 5, the utility model discloses intelligence is made and is provided with the database on the real standard platform, and the database total storage has face data, and when the face that detects as face identification camera was the data in the face data or someone inputted correct password on the keyboard, just open real standard platform operation right of whole intelligence.

Further, the intelligent manufacturing training platform further comprises a quick-change tool module 6. The quick-change tool module 6 comprises a tool rack 61 and a tool plate 62, wherein the tool rack 61 is fixedly installed on the practical training base 5, the tool plate 62 is installed on the tool rack 61, and a clamping jaw tool 63 is arranged on the tool plate 62. The gripper tool 63 comprises at least two jaws which are movable relative to each other, the end of the robot arm 4 being able to mount the gripper tool 63, the gripper tool 63 being intended to grip the blade 33. Dispose the female head of quick change tool on the clamping jaw instrument 63, the public head of quick change tool is installed to the end of manipulator 4, and when manipulator 4 was installing clamping jaw instrument 63, quick installation was realized with the public head cooperation of quick change tool female and quick change tool, need not artificial intervention. Simulation of a multiplex machining process can be achieved by arranging the tool module 6 on the intelligent manufacturing training platform and arranging a plurality of tools on the tool plate 62, for example:

the intelligent manufacturing practical training platform further comprises a simulation welding module 7, wherein the simulation welding module 7 comprises a rotating disc 71 and a workpiece to be welded 72 placed on the rotating disc 71, the rotating disc 71 is rotatably installed on the practical training base 5, and the rotating disc 71 is located on the first side of the guide rail 51; an analog welding gun 64 is also provided on the tool plate 62, and one end of the analog welding gun 64 can emit laser light, and the end of the robot arm 4 can be attached with the analog welding gun 64. Through set up simulation welder on tool plate 62, utilize the laser simulation welded position of welder's transmission the utility model discloses the last simulation welding rifle 64 of well manipulator 4 welds welding workpiece 72 to treating on rolling disc 71, and the cooperation through manipulator 4 and rolling disc 71 can make simulation welder can treat most positions realization welding of welding workpiece 72, and then automatic weld process in the simulation reality production.

In a preferred embodiment, the analog welding module 7 further includes a scale pointer 73, the scale pointer 73 is fixedly disposed on the practical training base 5, the scale pointer 73 is disposed near an edge of the rotating disc 71, a scale is disposed at the edge of the rotating disc 71, and the scale pointer 73 is used for indicating a rotation angle of the rotating disc 71.

Further, the visual inspection apparatus 2 further includes an inspection frame 22 and a ring light source 23. The annular light source 23 and the detection camera 21 are arranged on the detection rack 22, the annular light source 23 is located between the practical training base 5 and the detection camera 21, and the detection camera 21 is located on the central line of the annular light source 23. When the blade 33 is detected, the blade 33 is located below the annular light source 23, and the detection result of the detection camera 21 can be more accurate through the lighting of the annular light source 23.

Finally, the intelligent manufacturing training platform further comprises a storage platform 8 and an AGV trolley 9. The storage platform 8 comprises a storage rack 81 and a feeding device 82, and a plurality of storage plates 811 are arranged on the storage rack 81. The feeding device 82 comprises a feeding rail 821, a feeding plate and a feeding frame 823, wherein the feeding rail 821 is arranged close to the storage rack, the feeding frame 823 is arranged on the feeding rail 821 in a sliding mode, the feeding frame 823 can move along the X direction, a feeding sliding block 8231 is arranged on the feeding frame 823 in a sliding mode, the feeding sliding block 8231 can move along the Z direction, the feeding plate is arranged on the feeding sliding block 8231 in a sliding mode, and the feeding plate can move to the position above the storage plate 811 along the Y direction; any two of the X-direction, the Y-direction, and the Z-direction are perpendicular to each other. Be provided with receiving device 91 on the AGV dolly 9, on the manipulator 4 can get and transport receiving device 91 to AGV dolly 9 with turbofan part 31 clamp, receiving device 91 of AGV dolly 9 can transport turbofan part 31 to the delivery sheet on, the delivery sheet can transport turbofan part 31 to storing board 811. The utility model discloses simulation blade 33 transports turbofan part 31 through AGV dolly 9 from polishing, detection, assembly and the whole automatic flow of warehousing of storage, then transports turbofan part 31 to storing board 811 through material feeding unit 82, accomplishes the warehouse entry of material. The whole process does not need human participation, and the understanding of students on automation and the corresponding mechanical debugging are improved. In addition, still be provided with camera and the stereo set that is used for the control on real standard base 5, come the control student to the operation process of real standard platform of intelligent manufacturing through the camera, the stereo set is used for when the dangerous manipulator 4 of operating of student or other parts, and the sound that the stereo set can send out the warning.

In a particular embodiment, the feed plates 822 include a first feed plate 8221 and a second feed plate 8222. The first feeding plate 8221 is arranged on the feeding slide block 8231 in a sliding mode, the second feeding plate 8222 is arranged on the first feeding plate 8221 in a sliding mode, and the first feeding plate 8221 is located between the feeding slide block 8231 and the second feeding plate 8222. The feeding sliding block 8231 is provided with a driving motor 8232 and a first rack 8233, the length direction of the first rack 8233 is the Y direction, and an output shaft of the driving motor 8232 is provided with a first gear 8234. The first feeding plate 8221 is provided with a second rack 8223 and a second gear 8224, the second rack 8223 is fixedly arranged on the first feeding plate 8221 along the Y direction, the second rack 8223 is meshed with the first gear 8234, the second gear 8224 is rotatably arranged on the first feeding plate 8221, and the second gear 8224 is meshed with the first rack 8233. A third rack 8225 is arranged on the second feeding plate 8222 along the Y direction, and the third rack 8225 is meshed with the second gear 8224.

In an actual intelligent manufacturing training platform, a computer is arranged on a training base 5, off-line software and virtual debugging software are arranged in the computer, and whether the assembly and mechanical structure of the polishing device, the visual detection device 2, the assembly module 3, the manipulator 4 and the like are reasonable or not is checked through the off-line software. In addition, when the student programs, the virtual debugging software can check whether the PLC programs and the logic are correct.

It should be understood that the above description of the embodiments of the present invention is only for illustrating the technical lines and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, but the present invention is not limited to the above specific embodiments. All changes and modifications that come within the scope of the claims are to be embraced within their scope.

Claims (9)

1. The intelligent manufacturing practical training platform is characterized by comprising a polishing device, a visual detection device (2), an assembly module (3), a manipulator (4) and a practical training base (5), wherein a guide rail (51) is arranged on the practical training base (5);

the grinding device comprises a collecting box (12) and a grinding machine (11), wherein the collecting box (12) is arranged on the practical training base (5), the collecting box (12) is arranged close to one end of the guide rail (51), the grinding machine (11) is arranged on the practical training base (5) in a sliding mode, the grinding machine (11) is arranged at the edge of the collecting box (12), and a grinding head used for grinding the blades (33) is arranged on the grinding machine (11);

the visual detection device (2) comprises a detection camera (21) arranged on a practical training base (5), the detection camera (21) is positioned on a first side of the guide rail (51), and the detection camera (21) is used for detecting whether the blade (33) is qualified or not;

a turbofan component (31) used for installing the blade (33) is arranged on the assembling module (3), and the turbofan component (31) is positioned on the second side of the guide rail (51);

the manipulator (4) is arranged on the guide rail (51) in a sliding mode, the tail end of the manipulator (4) can clamp the blade (33) and transfer the blade (33) to the grinding machine (11) for grinding, then transfer the ground blade (33) to the detection camera (21), and finally install the blade (33) on the turbofan component (31).

2. The intelligent manufacturing training platform of claim 1, further comprising a quick change tool module (6);

the quick-change tool module (6) comprises a tool rack (61) and a tool plate (62), the tool rack (61) is fixedly installed on the practical training base (5), the tool plate (62) is installed on the tool rack (61), and a clamping jaw tool (63) is arranged on the tool plate (62);

the clamping jaw tool (63) comprises at least two clamping jaws capable of moving relatively, the clamping jaw tool (63) can be installed at the tail end of the manipulator (4), and the clamping jaw tool (63) is used for clamping the blade (33).

3. The intelligent manufacturing training platform as claimed in claim 2, further comprising a simulated welding module (7), wherein the simulated welding module (7) comprises a rotating disc (71) and a workpiece (72) to be welded, which is placed on the rotating disc (71), the rotating disc (71) is rotatably mounted on the training base (5), and the rotating disc (71) is located on a first side of the guide rail (51);

still set up simulation welding gun (64) on instrument board (62), the one end of simulation welding gun (64) can launch laser, the end of manipulator (4) can be installed simulation welding gun (64).

4. The intelligent manufacturing practical training platform as claimed in claim 3, wherein the simulated welding module (7) further comprises a scale pointer (73), the scale pointer (73) is fixedly arranged on the practical training base (5), the scale pointer (73) is arranged close to the edge of the rotating disc (71), scales are arranged on the edge of the rotating disc (71), and the scale pointer (73) is used for indicating the rotating angle of the rotating disc (71).

5. An intelligent manufacturing training platform according to any one of claims 1-4, wherein the visual inspection device (2) further comprises an inspection rack (22) and a ring light source (23);

the annular light source (23) and the detection camera (21) are arranged on the detection rack (22), the annular light source (23) is located between the practical training base (5) and the detection camera (21), and the detection camera (21) is located on a central line of the annular light source (23).

6. The intelligent manufacturing training platform according to any one of claims 1-4, wherein a visual camera is further arranged at the end of the manipulator (4).

7. An intelligent manufacturing training platform according to any one of claims 1-4, wherein the turbofan component (31) is provided with a plurality of grooves (32) for mounting the blades (33).

8. The smart manufacturing training platform according to any one of claims 1-4, further comprising a warehousing platform (8) and an AGV cart (9);

the storage platform (8) comprises a storage rack (81) and a feeding device (82), wherein a plurality of storage plates (811) are arranged on the storage rack (81);

the feeding device (82) comprises a feeding rail (821), a feeding plate (822) and a feeding frame (823), the feeding rail (821) is arranged close to the storage frame (81), the feeding frame (823) is arranged on the feeding rail (821) in a sliding mode, the feeding frame (823) can move along the X direction, a feeding sliding block (8231) is arranged on the feeding frame (823) in a sliding mode, the feeding sliding block (8231) can move along the Z direction, the feeding plate (822) is arranged on the feeding sliding block (8231) in a sliding mode, and the feeding plate (822) can move to the position above the storage plate (811) along the Y direction; any two of the X direction, the Y direction and the Z direction are vertical to each other;

be provided with receiving device (91) on AGV dolly (9), manipulator (4) can with turbofan part (31) clamp is got and is transported to AGV dolly (9) on receiving device (91), AGV dolly (9) can with turbofan part (31) are transported extremely on delivery sheet (822), delivery sheet (822) can with turbofan part (31) are transported extremely on storing board (811).

9. The smart manufacturing training platform of claim 8, wherein the feed plate (822) comprises a first feed plate (8221) and a second feed plate (8222);

the first feeding plate (8221) is arranged on the feeding sliding block (8231) in a sliding mode, the second feeding plate (8222) is arranged on the first feeding plate (8221) in a sliding mode, and the first feeding plate (8221) is located between the feeding sliding block (8231) and the second feeding plate (8222);

a driving motor (8232) and a first rack (8233) are arranged on the feeding sliding block (8231), the length direction of the first rack (8233) is the Y direction, and a first gear (8234) is arranged on an output shaft of the driving motor (8232);

a second rack (8223) and a second gear (8224) are arranged on the first feeding plate (8221), the second rack (8223) is fixedly arranged on the first feeding plate (8221) along the Y direction, the second rack (8223) is meshed with the first gear (8234), the second gear (8224) is rotatably arranged on the first feeding plate (8221), and the second gear (8224) is meshed with the first rack (8233);

a third rack (8225) is arranged on the second feeding plate (8222) along the Y direction, and the third rack (8225) is meshed with the second gear (8224).

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