An automatic appearance inspection machine

Abstract

The utility model discloses an automatic appearance inspection machine, including a frame, a material transfer track, a feeding mechanism for transferring product material strips, a CCD camera detection mechanism for detecting the upper and lower surfaces of the material strips, and a punching mechanism for punching a local portion of the product material strips. A workbench is provided on the top of the frame, the material transfer track is horizontally arranged on the workbench, the feeding mechanism, the CCD camera detection mechanism, and the punching mechanism are respectively arranged in sequence along the transfer direction of the product material strips on the material transfer track, and the feeding mechanism can drive the product material strips on the material transfer track to move to the position of the CCD camera detection mechanism and below the punching mechanism. The utility model can realize a series of automated operations such as automated material transfer and transportation of connector material strips, automated photo detection of the upper and lower surfaces of the material strips, and automated punching, thereby improving the detection efficiency, stable and reliable operation, precise positioning, stable product quality, improved product qualification rate, and meeting the large-scale production needs of enterprises.

Description

Technical Field

[0001] The utility model relates to the technical field of automation equipment, and more specifically to an automatic appearance detection machine. Background Art

[0002] With the continuous development and progress of science and technology, automated production has become the mainstream of industrial production. In the production process of CDFP connector strips, it is necessary to inspect their appearance quality, usually including defect detection items and measurement items, to detect whether the product is qualified. However, most CDFP strips currently require manual inspection using inspection tools or flipping for visual inspection. The inspection work is labor-intensive, labor-intensive, and inefficient. There is also a high risk of missed inspections and false inspections, which cannot meet the large-scale production needs of enterprises. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned defects in the prior art and to provide an automatic appearance inspection machine that can realize a series of automated operations such as automated material transfer and transportation of connector material strips, automated photographic inspection of the upper and lower surfaces of the material strips, and automated punching, thereby improving the inspection efficiency and the qualified rate of products.

[0004] To achieve the above-mentioned purpose, the utility model provides an automatic appearance inspection machine, including a frame, a material transfer track, a feeding mechanism for transferring a product material strip, a CCD camera detection mechanism for detecting the upper and lower sides of the material strip, and a punching mechanism for punching a local part of the product material strip. A workbench is provided on the top of the frame, the material transfer track is horizontally arranged on the workbench, the feeding mechanism, the CCD camera detection mechanism and the punching mechanism are respectively arranged in sequence along the transfer direction of the product material strip on the material transfer track, and the CCD camera detection mechanism includes an upper CCD photo detection device and a lower CCD photo detection device. The workbench is provided with a detection through hole connected to the material transfer track, the upper CCD camera detection device is arranged downward above the top surface of the workbench and directly above the material transfer track, the lower CCD camera detection device is arranged upward below the bottom surface of the workbench and located inside the frame, the lower CCD camera detection device is correspondingly arranged directly below the detection through hole, the detection through hole is located between the upper CCD camera detection device and the lower CCD camera detection device, and the feeding mechanism can drive the product material belt on the material transfer track to move to the position of the CCD camera detection mechanism and below the punching mechanism.

[0005] Preferably, the material transfer track includes a track dividing strip, a first track side plate, and a second track side plate. The track dividing strip is horizontally arranged on the top surface of the workbench and is located below the feeding mechanism and the CCD camera detection mechanism. Both sides of the middle part of the track dividing strip are provided with first grooves for placing product material strips. The first track side plate and the second track side plate are respectively arranged on both side edges of the track dividing strip relatively to each other. The inner side of the first track side plate and the inner side of the second track side plate are respectively provided with a second groove and a third groove corresponding to the first groove and for placing product material strips. The first track side plate, the track dividing strip and the second track side plate are arranged in parallel on the workbench in sequence. Two feeding gaps for two rows of product material strips to pass through are formed between the second groove and the third groove and their corresponding first grooves.

[0006] Preferably, the feeding mechanism includes a feeding fixed bracket, a feeding drive cylinder, a feeding cylinder push block, a feeding fixed seat, a feeding sliding seat, a feeding shift block, a feeding rotating shaft, and a reset spring. The feeding fixed bracket is fixedly arranged above the material moving track, and the feeding drive cylinder is downwardly arranged on the top surface of the feeding fixed bracket and is located above the track dividing strips. The feeding cylinder push block is transmission-connected with the output shaft of the feeding drive cylinder and is driven up and down by the feeding drive cylinder. The bottom end shape of the feeding cylinder push block is set to be wedge-shaped, and a square groove for inserting the feeding cylinder push block is opened on the track dividing strip. The feeding fixed seat is fixedly arranged above the track dividing strip, and the feeding sliding seat is movably installed between the square groove and the feeding fixed seat. The feeding sliding seat is close to the feeding cylinder The top surface of one end of the pushing block is provided with a wedge-shaped groove corresponding to the feeding cylinder pushing block, the feeding shaft is embedded in the end of the feeding sliding seat close to the feeding cylinder pushing block, and the feeding shift blocks are provided with two, the two feeding shift blocks are respectively sleeved on the two ends of the feeding shaft and are respectively located in the accommodating grooves opened on both sides of the feeding sliding seat, the bottom ends of the feeding shift blocks are respectively inserted in the strip sliding holes opened on both sides of the track dividing strip, and the top protrusions of the feeding shift blocks respectively extend out of the accommodating grooves, and the feeding sliding seat is provided with two first spring accommodating grooves at one end close to the feeding fixed seat, and the feeding fixed seat is provided with a second spring accommodating groove corresponding to the first spring accommodating groove at one end close to the feeding sliding seat, and the return spring is respectively located between the two oppositely arranged first spring accommodating grooves and the second spring accommodating grooves.

[0007] Preferably, the upper CCD photo-taking detection device includes an upper CCD fixing bracket, a first camera bracket, a second camera bracket, a first CCD camera, a second CCD camera, a first camera light source and a second camera light source. The upper CCD fixing bracket is fixed vertically upward above the material transfer track, the first camera bracket and the second camera bracket are arranged in parallel on the mounting position of the upper CCD fixing bracket, the first CCD camera and the second CCD camera are respectively arranged downward on the mounting positions of the first camera bracket and the second camera bracket, the first CCD camera and the second CCD camera are respectively located directly above the two feeding gaps of the material transfer track, and the first camera light source and the second camera light source are horizontally arranged on the upper CCD fixing bracket and are respectively located directly below their respective first CCD camera and second CCD camera.

[0008] Preferably, the lower CCD photo-taking detection device includes a lower CCD fixed bracket, a third camera bracket, a fourth camera bracket, a third CCD camera, a fourth CCD camera, a third camera light source and a fourth camera light source. The lower CCD fixed bracket is fixedly arranged vertically downward on the bottom surface of the workbench, the third camera bracket and the fourth camera bracket are arranged in parallel on the mounting position of the lower CCD fixed bracket, the third CCD camera and the fourth CCD camera are respectively arranged upward on the mounting positions of the third camera bracket and the fourth camera bracket, the third CCD camera and the fourth CCD camera are correspondingly arranged directly below the detection through hole and respectively directly below the two feeding gaps of the material transfer track, the third camera light source and the fourth camera light source are horizontally arranged on the lower CCD fixed bracket and respectively directly above their respective third CCD camera and fourth CCD camera.

[0009] Preferably, the punching mechanism includes a cutting installation top plate, a cutting installation support rod, a cutting drive cylinder, and a cutting punch. The cutting installation top plate is fixedly arranged above the material moving track through the cutting installation support rod. Two cutting drive cylinders are provided and are respectively fixed downward on the bottom surface of the cutting installation top plate. Two cutting punches are provided and are respectively connected to the output shafts of the two cutting drive cylinders and are correspondingly located directly above the two feeding gaps of the material moving track. The cutting punches are driven up and down by their corresponding cutting drive cylinders.

[0010] Preferably, the punching mechanism also includes a waste drawer, and a material unloading hole connected to the material transfer track is opened on the workbench, and the material unloading hole is located directly below the punching mechanism. The waste drawer is fixedly arranged on the bottom surface of the workbench, and the opening part of the waste drawer corresponds to the material unloading hole.

[0011] Preferably, it further comprises a display screen and a display screen bracket, wherein the display screen is installed above the top surface of the workbench through the display screen bracket.

[0012] Preferably, movable casters are respectively provided at the four corners of the bottom of the frame.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model has a simple and novel structure and a reasonable design. It is provided with a material transfer track, a feeding mechanism, a CCD camera detection mechanism and a punching mechanism, and can realize a series of automated operations such as automatic material transfer and transportation of connector material strips, automatic photographic detection of the upper and lower surfaces of the material strips, and automatic punching. It has a high degree of automation and improves the detection efficiency. It has stable and reliable operation, good flexibility, and precise positioning. It can stabilize product quality, improve the product qualification rate, reduce production labor intensity, and meet the large-scale production needs of enterprises. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the structure provided by the embodiment of the utility model Figure 1 ;

[0017] Figure 2 This is a schematic diagram of the structure provided by the embodiment of the utility model Figure 2 ;

[0018] Figure 3 It is a structural schematic diagram of the material transfer track provided by an embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the feeding mechanism provided by the embodiment of the utility model. Figure 1 ;

[0020] Figure 5 This is a schematic diagram of the structure of the feeding mechanism provided by the embodiment of the utility model. Figure 2 ;

[0021] Figure 6 This is a partial structural explosion diagram provided by the embodiment of the utility model Figure 1 ;

[0022] Figure 7 This is a partial structural explosion diagram provided by the embodiment of the utility model Figure 2 ;

[0023] Figure 8 It is a structural schematic diagram of the upper CCD photo-taking detection device provided by an embodiment of the utility model;

[0024] Fig. 9 It is a structural schematic diagram of the lower CCD photo-taking detection device provided by an embodiment of the utility model;

[0025] Fig.10 It is a structural schematic diagram of the punching mechanism provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Please refer to Figure 1 An embodiment of the utility model provides an automatic appearance inspection machine, including a frame 1, a material transfer track 2, a feeding mechanism 3 for transferring a product material strip, a CCD camera detection mechanism 4 for detecting the upper and lower sides of the material strip, and a punching mechanism 5 for punching a local part of the product material strip. The various components of this embodiment are described in detail below in conjunction with the accompanying drawings.

[0028] like Figure 1 As shown, a workbench 11 may be provided on the top of the frame 1, a material transfer track 2 is horizontally arranged on the workbench 11, and a feeding mechanism 3, a CCD camera detection mechanism 4 and a punching mechanism 5 are arranged in sequence along the transfer direction of the product strip on the material transfer track 2. Among them, movable casters 7 may be provided at the four corners of the bottom of the frame 1.

[0029] During specific implementation, the feeding mechanism 3 can drive the product strip on the material transfer track 2 to move to the position of the CCD camera detection mechanism 4 and below the punching mechanism 5 .

[0030] like Figure 3As shown, the material transfer track 2 may include a track dividing strip 21, a first track side plate 22, and a second track side plate 23. The track dividing strip 21 is horizontally arranged on the top surface of the workbench 11 and is located below the feeding mechanism 3 and the CCD camera detection mechanism 4. Both sides of the middle part of the track dividing strip 21 are provided with first grooves 211 for placing product material strips. The first track side plate 22 and the second track side plate 23 are respectively arranged on both side edges of the track dividing strip 21 relatively to each other. The inner side of the first track side plate 22 and the inner side of the second track side plate 23 are respectively provided with a second groove 221 and a third groove 231 corresponding to the first groove 211 and for placing product material strips. The first track side plate 22, the track dividing strip 21 and the second track side plate 23 are arranged in parallel on the workbench 11 in sequence. Two feeding gaps 24 for two rows of product material strips to pass through are formed between the second groove 221 and the third groove 231 and the first groove 211 corresponding to each other.

[0031] like Figures 4 to 7 As shown, the feeding mechanism 3 may include a feeding fixed bracket 31, a feeding driving cylinder 32, a feeding cylinder pushing block 33, a feeding fixed seat 34, a feeding sliding seat 35, a feeding shifting block 36, a feeding rotating shaft 37, and a reset spring 38. The feeding fixed bracket 31 is fixedly arranged above the material moving track 2, and the feeding driving cylinder 32 is downwardly arranged on the top surface of the feeding fixed bracket 31 and is located above the track dividing strip 21. The feeding cylinder pushing block 33 is drivingly connected to the output shaft of the feeding driving cylinder 32 and is driven to move up and down by the feeding driving cylinder 32. The bottom end shape of the feeding cylinder pushing block 33 is set to be wedge-shaped, and a square groove 212 for inserting the feeding cylinder pushing block 33 is opened on the track dividing strip 21. The feeding fixed seat 34 is fixedly arranged above the track dividing strip 21, and the feeding sliding seat 35 is movably installed between the square groove 212 and the feeding fixed seat 34. The feeding sliding seat 35 is close to a side of the feeding cylinder pushing block 33. The top surface of the end is provided with a wedge-shaped groove 351 corresponding to the feeding cylinder push block 33, the feeding shaft 37 is embedded in the end of the feeding sliding seat 35 close to the feeding cylinder push block 33, and two feeding blocks 36 are provided, and the two feeding blocks 36 are respectively sleeved on the two ends of the feeding shaft 37 and are respectively located in the accommodating grooves 352 opened on both sides of the feeding sliding seat 35, and the bottom ends of the feeding blocks 36 are respectively inserted into the strip sliding holes 213 opened on both sides of the track dividing strip 21, and the top protrusions of the feeding blocks 36 extend out from the accommodating grooves 352 respectively, and the feeding sliding seat 35 is provided with two first spring accommodating grooves 353 at one end of the feeding fixed seat 34, and the feeding fixed seat 34 is provided with a second spring accommodating groove 341 corresponding to the first spring accommodating groove 353 at one end, and the reset spring 38 is respectively located between the two oppositely arranged first spring accommodating grooves 353 and the second spring accommodating grooves 341.

[0032] like Figure 2As shown, the CCD camera detection mechanism 4 may include an upper CCD photo detection device 41 and a lower CCD photo detection device 42. A detection through hole 12 connected to the material transfer track 2 is opened on the workbench 11. The upper CCD photo detection device 41 is arranged downward above the top surface of the workbench 11 and directly above the material transfer track 2. The lower CCD photo detection device 42 is arranged upward below the bottom surface of the workbench 11 and correspondingly directly below the detection through hole 12. The detection through hole 12 is located between the upper CCD photo detection device 41 and the lower CCD photo detection device 42.

[0033] like Figure 8 As shown, the upper CCD photo detection device 41 may include an upper CCD fixed bracket 411, a first camera bracket 412, a second camera bracket 413, a first CCD camera 414, a second CCD camera 415, a first camera light source 416 and a second camera light source 417. The upper CCD fixed bracket 411 is vertically fixed upward above the material transfer track 2, the first camera bracket 412 and the second camera bracket 413 are parallelly arranged on the mounting position of the upper CCD fixed bracket 411, the first CCD camera 414 and the second CCD camera 415 are respectively correspondingly arranged downward on the mounting positions of the first camera bracket 412 and the second camera bracket 413, the first CCD camera 414 and the second CCD camera 415 are respectively correspondingly located directly above the two feeding gaps 24 of the material transfer track 2, the first camera light source 416 and the second camera light source 417 are horizontally arranged on the upper CCD fixed bracket 411 and are respectively located directly below their respective first CCD cameras 414 and second CCD cameras 415.

[0034] like Fig. 9 As shown, the lower CCD photo detection device 42 may include a lower CCD fixed bracket 421, a third camera bracket 422, a fourth camera bracket 423, a third CCD camera 424, a fourth CCD camera 425, a third camera light source 426 and a fourth camera light source 427. The lower CCD fixed bracket 421 is fixedly arranged vertically downward on the bottom surface of the workbench 11, the third camera bracket 422 and the fourth camera bracket 423 are arranged in parallel on the installation position of the lower CCD fixed bracket 421, the third CCD camera 424 and the fourth CCD camera 425 are respectively arranged upward on the installation positions of the third camera bracket 422 and the fourth camera bracket 423, the third CCD camera 424 and the fourth CCD camera 425 are correspondingly arranged directly below the detection through hole 12 and respectively correspondingly located directly below the two feeding gaps 24 of the material transfer track 2, and the third camera light source 426 and the fourth camera light source 427 are horizontally arranged on the lower CCD fixed bracket 421 and respectively located directly above their respective third CCD cameras 424 and fourth CCD cameras 425.

[0035] Among them, the first CCD camera 414, the second CCD camera 415, the third CCD camera 424 and the fourth CCD camera 425 are all set to 2000w pixel cameras, and the first camera light source 416, the second camera light source 417, the third camera light source 426 and the fourth camera light source 427 can make their respective converged light shine on the product, so that the corresponding CCD camera can more clearly shoot the product material strip.

[0036] The defect detection items of the material strip of the product of this embodiment include burrs, plastic scratches, missing materials, metal chip residues, cracks, deformations, material strip hole scratches, excess glue, etc.

[0037] Furthermore, CCD camera inspection can realize general dimensional measurement while judging defects. The measurement items include: general distance measurement (X-axis distance, Y-axis distance and vertical height), combined distance measurement (segmented combined value), single selection area distance measurement (maximum value, minimum value), setting tolerance, OK / NG automatic judgment, etc.

[0038] In this embodiment, a display screen 6 and a display screen bracket 61 may also be included, and the display screen 6 is installed above the top surface of the workbench 11 through the display screen bracket 61. The product strip is detected or measured by the detection software, and the detection software can be set and adjusted according to different detection areas. The display screen 6 can display product detection results and data. The rack 1 is also provided with detection software for detecting the upper and lower sides of the product and an industrial control host for processing results and data.

[0039] like Fig.10 As shown, the punching mechanism 5 may include a cutting material installation top plate 51, a cutting material installation support rod 52, a cutting material driving cylinder 53, and a cutting material punch 54. The cutting material installation top plate 51 is fixedly arranged above the material transfer track 2 through the cutting material installation support rod 52. Two cutting material driving cylinders 53 are provided and are respectively fixed downward on the bottom surface of the cutting material installation top plate 51. Two cutting material punches 54 are provided and are respectively connected to the output shafts of the two cutting material driving cylinders 53 and are correspondingly located directly above the two feeding gaps 24 of the material transfer track 2. The cutting material punches 54 are respectively driven to move up and down by their corresponding cutting material driving cylinders 53. Among them, the two cutting material punches 54 can be driven by their corresponding cutting material driving cylinders 53 to perform local punching on the designated positions of the two rows of product strips.

[0040] Furthermore, the punching mechanism 5 can also include a waste drawer 55. A material unloading hole 13 connected to the material transfer track 2 is opened on the workbench 11. The material unloading hole 13 is located directly below the punching mechanism 5. The waste drawer 55 is fixedly arranged on the bottom surface of the workbench 11, and the opening part of the waste drawer 55 corresponds to the material unloading hole 13.

[0041] The working principle of the utility model is as follows:

[0042] During operation, the product material belt is discharged from the external turntable mechanism or the injection molding machine mold to the material transfer track 2 and is placed horizontally in the two feeding gaps 24. The two feeding blocks 36 of the feeding mechanism 3 are moved and their bottom ends are inserted into the through grooves on both sides of each row of product material belts after passing through the strip sliding holes 213 on both sides of the track dividing strip 21. The feeding driving cylinder 32 drives the feeding cylinder pushing block 33 to slide downward and contact the wedge-shaped groove 351 on the top surface of the feeding sliding seat 35, so that the feeding block 36 drives the product material belt to move along the transfer direction of the strip sliding hole 213. After moving a certain distance, the feeding driving cylinder 32 drives the feeding cylinder pushing block 33 to rise. Under the elastic action of the reset spring 38, the feeding sliding seat 35 returns to the initial position, and the two feeding blocks 36 are flipped over again and inserted into the through grooves on both sides of each row of product material belts. The product material belt can be translated in the transfer direction in sequence by repeating the above operations. When the product material belt passes through the CCD camera detection mechanism 4, the third CCD camera 424 and the fourth CCD camera 425 of the lower CCD photo detection device 42 first take photos of the two rows of product material belts to detect the bottom of the product material belts, and then the first CCD camera 414 and the second CCD camera 415 take photos of the two rows of product material belts to detect the top of the product material belts, and perform defect detection or measurement judgment at the same time. After the detection is completed, it is transferred to the bottom of the punching mechanism 5, and the two cutting punches 54 of the punching mechanism 5 are driven by their respective corresponding cutting drive cylinders 53 to perform local punching on the designated positions of the two rows of product material belts, and the punched waste falls from the unloading through hole 13 to the waste drawer 55, and finally the punched product material belt is sent to the next station.

[0043] To sum up, the utility model can realize a series of automated operations such as automated material transfer and transportation of connector material strips, automated photographic inspection of the upper and lower surfaces of the material strips, and automated punching and cutting. It has a high degree of automation and improves the inspection efficiency. It has stable and reliable operation, good flexibility, and precise positioning. It can stabilize product quality, improve the product qualification rate, reduce production labor intensity, and meet the large-scale production needs of enterprises.

[0044] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. An automatic appearance inspection machine, characterized in that: The invention comprises a frame (1), a material transfer track (2), a feeding mechanism (3) for transferring a product material strip, a CCD camera detection mechanism (4) for detecting the upper and lower sides of the material strip, and a punching mechanism (5) for punching a local portion of the product material strip. A workbench (11) is provided on the top of the frame (1). The material transfer track (2) is horizontally arranged on the workbench (11). The feeding mechanism (3), the CCD camera detection mechanism (4) and the punching mechanism (5) are arranged in sequence along the transfer direction of the product material strip on the material transfer track (2). The CCD camera detection mechanism (4) comprises an upper CCD camera detection device (41) and a lower CCD camera detection device (42). A connection connecting the material transfer track (2) and the workbench (11) is provided. The upper CCD camera detection device (41) is arranged downward above the top surface of the workbench (11) and is located directly above the material transfer track (2); the lower CCD camera detection device (42) is arranged upward below the bottom surface of the workbench (11) and is located inside the frame (1); the lower CCD camera detection device (42) is correspondingly arranged directly below the detection through hole (12); the detection through hole (12) is located between the upper CCD camera detection device (41) and the lower CCD camera detection device (42); and the feeding mechanism (3) is capable of driving the product strip on the material transfer track (2) to move to the position of the CCD camera detection mechanism (4) and below the punching mechanism (5).

2. The automatic appearance inspection machine according to claim 1, characterized in that: The material transfer track (2) comprises a track dividing strip (21), a first track side plate (22), and a second track side plate (23); the track dividing strip (21) is horizontally arranged on the top surface of the workbench (11) and is located below the feeding mechanism (3) and the CCD camera detection mechanism (4); first grooves (211) for placing product strips are provided on both sides of the middle of the track dividing strip (21); the first track side plate (22) and the second track side plate (23) are respectively arranged on the two side edges of the track dividing strip (21) opposite to each other; The inner side of the track side plate (22) and the inner side of the second track side plate (23) are respectively provided with a second groove (221) and a third groove (231) corresponding to the first groove (211) and for placing product strips; the first track side plate (22), the track strip (21) and the second track side plate (23) are sequentially arranged in parallel on the workbench (11); the second groove (221) and the third groove (231) respectively form two feeding gaps (24) for two rows of product strips to pass through with the first groove (211) corresponding to each other.

3. The automatic appearance inspection machine according to claim 2, characterized in that: The feeding mechanism (3) comprises a feeding fixed bracket (31), a feeding driving cylinder (32), a feeding cylinder push block (33), a feeding fixed seat (34), a feeding sliding seat (35), a feeding shift block (36), a feeding rotating shaft (37), and a reset spring (38). The feeding fixed bracket (31) is fixedly arranged above the material moving track (2). The feeding driving cylinder (32) is arranged downward on the top surface of the feeding fixed bracket (31) and is located above the track dividing strip (21). The feeding cylinder push block (33) and the feeding driving cylinder push block (33) are connected to the feeding driving cylinder. The output shaft of the cylinder (32) is connected to the feeding drive cylinder (32) and drives it to move up and down through the feeding drive cylinder (32). The bottom end shape of the feeding cylinder push block (33) is set to be wedge-shaped. The track dividing strip (21) is provided with a square groove (212) for inserting the feeding cylinder push block (33). The feeding fixed seat (34) is fixedly arranged above the track dividing strip (21). The feeding sliding seat (35) is movably installed between the square groove (212) and the feeding fixed seat (34). The feeding sliding seat (35) is close to the feeding cylinder push block (33). The top surface of one end of the feeding slide seat (35) is provided with a wedge-shaped groove (351) corresponding to the feeding cylinder push block (33); the feeding shaft (37) is embedded in one end of the feeding slide seat (35) close to the feeding cylinder push block (33); two feeding blocks (36) are provided, and the two feeding blocks (36) are respectively sleeved on the two ends of the feeding shaft (37) and are respectively located in the accommodating grooves (352) opened on both sides of the feeding slide seat (35); the bottom ends of the feeding blocks (36) are respectively inserted into the strip sliding holes (21) opened on both sides of the track dividing strip (21) 3), the top protrusions of the feed shift block (36) extend out from the accommodating grooves (352), the feed sliding seat (35) is provided with two first spring accommodating grooves (353) at one end close to the feed fixed seat (34), the feed fixed seat (34) is provided with a second spring accommodating groove (341) corresponding to the first spring accommodating grooves (353) at one end close to the feed sliding seat (35), and the return spring (38) is respectively located between the two oppositely arranged first spring accommodating grooves (353) and the second spring accommodating grooves (341).

4. The automatic appearance inspection machine according to claim 2, characterized in that: The upper CCD photographing detection device (41) comprises an upper CCD fixing bracket (411), a first camera bracket (412), a second camera bracket (413), a first CCD camera (414), a second CCD camera (415), a first camera light source (416) and a second camera light source (417); the upper CCD fixing bracket (411) is fixed vertically upward above the material transfer track (2); the first camera bracket (412) and the second camera bracket (413) are arranged in parallel on the installation position of the upper CCD fixing bracket (411); the first CCD The camera (414) and the second CCD camera (415) are respectively arranged downward on the mounting positions of the first camera bracket (412) and the second camera bracket (413); the first CCD camera (414) and the second CCD camera (415) are respectively located directly above the two feeding gaps (24) of the material transfer track (2); the first camera light source (416) and the second camera light source (417) are horizontally arranged on the upper CCD fixed bracket (411) and are respectively located directly below the first CCD camera (414) and the second CCD camera (415).

5. The automatic appearance inspection machine according to claim 2, characterized in that: The lower CCD photographing detection device (42) comprises a lower CCD fixing bracket (421), a third camera bracket (422), a fourth camera bracket (423), a third CCD camera (424), a fourth CCD camera (425), a third camera light source (426) and a fourth camera light source (427); the lower CCD fixing bracket (421) is fixedly arranged vertically downward on the bottom surface of the workbench (11); the third camera bracket (422) and the fourth camera bracket (423) are arranged in parallel on the installation position of the lower CCD fixing bracket (421); the third CCD camera (424) and the fourth CCD camera (425) are arranged in parallel on the installation position of the lower CCD fixing bracket (421); The four CCD cameras (425) are respectively arranged upward on the mounting positions of the third camera bracket (422) and the fourth camera bracket (423); the third CCD camera (424) and the fourth CCD camera (425) are respectively arranged directly below the detection through hole (12) and directly below the two feeding gaps (24) of the material transfer track (2); the third camera light source (426) and the fourth camera light source (427) are horizontally arranged on the lower CCD fixed bracket (421) and directly above the third CCD camera (424) and the fourth CCD camera (425).

6. The automatic appearance inspection machine according to claim 2, characterized in that: The punching mechanism (5) comprises a cutting installation top plate (51), a cutting installation support rod (52), a cutting drive cylinder (53), and a cutting punch (54). The cutting installation top plate (51) is fixedly arranged above the material transfer track (2) through the cutting installation support rod (52). Two cutting drive cylinders (53) are provided and are respectively fixedly arranged downward on the bottom surface of the cutting installation top plate (51). Two cutting punches (54) are provided and are respectively connected to the output shafts of the two cutting drive cylinders (53) and are correspondingly located just above the two feeding gaps (24) of the material transfer track (2). The cutting punches (54) are driven to move up and down by the corresponding cutting drive cylinders (53).

7. The automatic appearance inspection machine according to claim 1, characterized in that: The punching mechanism (5) further comprises a waste drawer (55); a material unloading hole (13) connected to the material transfer track (2) is provided on the workbench (11); the material unloading hole (13) is located directly below the punching mechanism (5); the waste drawer (55) is fixedly arranged on the bottom surface of the workbench (11); and an opening portion of the waste drawer (55) corresponds to the material unloading hole (13).

8. The automatic appearance inspection machine according to claim 1, characterized in that: It also comprises a display screen (6) and a display screen bracket (61), wherein the display screen (6) is installed above the top surface of the workbench (11) via the display screen bracket (61).

9. The automatic appearance inspection machine according to claim 1, characterized in that: The four corners at the bottom of the frame (1) are respectively provided with movable casters (7).

Images