A visual inspection device for industrial production lines

Abstract

The present invention discloses a visual inspection device for an industrial production line, which includes a support mechanism, a feeding mechanism and a detection mechanism that are arranged front and back and mounted on the support mechanism. A vision mechanism is mounted above the detection mechanism, and a shunting mechanism is arranged on the back of the support mechanism. The present invention relates to the technical field of visual inspection of industrial products. The visual inspection device for the industrial production line can perform visual inspection on the top and four sides of the outer wall of the product through the cooperation between the top detection lens and the side detection lens. Moreover, the bottom background board can be changed to a contrasting color according to the color of the product, and through the contrast color, it is convenient for the image processing algorithm to better identify and segment the product, so that a better detection effect can be obtained. At the same time, the cooperation between the shunting rack and the discharge belt can classify and discharge the genuine products, defective products and defective products detected visually, thus reducing the labor and loss costs.

Description

Technical Field

[0001] The present invention relates to the technical field of industrial product vision inspection, and specifically to a vision inspection device for industrial production lines. Background Art

[0002] Industrial vision inspection is a technology that uses machine vision technology to detect the quality of industrial products and production processes. It converts the captured target into an image signal through a machine vision product (such as an image acquisition device), and then transmits it to a dedicated image processing system. The image processing system performs various operations on these signals to extract the features of the target, and judges whether the quality of the product and the production process are normal based on these features. Industrial vision inspection is mainly applied to quality inspection, dimension measurement, defect inspection, identification and positioning, etc. It can detect the surface quality of products, such as scratches, dirt, bright spots, missing corners and protrusions, etc., and can also detect the size and shape of products, as well as identify product logos and labels, etc. In addition, industrial vision inspection can also be used for the automatic control of production lines to achieve functions such as automatic inspection, sorting, and counting, improving production efficiency and product quality. Compared with traditional manual inspection, industrial vision inspection has the advantages of non-contact, high speed, high precision, and strong anti-interference ability on site, which can greatly improve the inspection efficiency and accuracy, reduce the possibility of missed inspection and misjudgment. At the same time, industrial vision inspection can also achieve automation and intelligence, reduce labor costs and improve production efficiency, and is one of the important technologies indispensable in modern industrial production;

[0003] Among them, CN215525501U discloses a vision inspection device for industrial production lines, including a vision inspection device. The vision inspection device includes a conveying mechanism, a detection mechanism, a flipping mechanism and a cleaning mechanism. The conveying mechanisms are arranged at both ends of the vision inspection device, the detection mechanism is arranged on top of the conveying mechanism, the flipping mechanism is arranged in the middle of the conveying mechanism, and the cleaning mechanism is arranged at the bottom of the conveying mechanism. For this vision inspection device for industrial production lines, by installing a flipping mechanism between the conveying mechanisms, when the conveyor belt conveys the parts to be inspected to the L-shaped plate, the infrared sensor is connected to the electric hydraulic rod through a circuit, causing the electric hydraulic rod to contract, thereby driving the L-shaped plate to flip. The flipping of the L-shaped plate drives the parts to be inspected to flip, and then the parts to be inspected are conveyed to the bottom of the camera through the conveyor belt, so that the camera can capture images of multiple surfaces of the parts to be inspected, thereby improving the inspection efficiency.

[0004] In the prior art, such as CN216081401U, it has the advantages of flipping the bottom surface of the part to be inspected to facilitate the camera to collect information on other surfaces of the part, and installing a rotary brush at the bottom of the conveyor belt to clean the dust on the conveyor belt in real time. However, during use, it can only detect plate-type products on the industrial production line visually. When encountering vertical products, it cannot perform the function of visual inspection on the four outer walls. Therefore, it greatly increases the limitations of the device during use. Moreover, during inspection, it cannot adjust and replace the background color for visual inspection according to the color of the product surface. As a result, when the product is similar to the inspection background on the device, it will affect the quality and speed of visual inspection. At the same time, when discharging the products after visual inspection, it still adopts a unified moving path, resulting in the need for subsequent manual sorting of defective and substandard products detected visually by staff, increasing the workload of personnel and reducing the functionality of the device. For this reason, we designed a visual inspection device for industrial production lines to solve the above problems. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a visual inspection device for industrial production lines, which solves the problem that the existing device cannot perform the function of visual inspection on the four outer walls of vertical products, reduces the limitations of the device, and can change the background color for visual inspection to a contrasting color according to the color of the product. By using the contrasting color with the product, it is convenient for the image processing algorithm to better identify and segment the product, so as to obtain better detection effects. At the same time, it can classify and discharge the normal products, defective products, and substandard products detected visually, avoiding the problem of increasing labor and loss costs.

[0006] To achieve the above objectives, the present invention is realized through the following technical solutions: A visual inspection device for industrial production lines includes a support mechanism, a feeding mechanism and a detection mechanism arranged front and back on the support mechanism, a visual mechanism is arranged above the detection mechanism, and a shunting mechanism is arranged on the back of the support mechanism;

[0007] The support mechanism includes a support plate, legs are fixedly installed on the front and rear sides of the bottom of the support plate, and a stabilizing rod is fixedly installed below the inner side of the legs. The feeding mechanism includes a feeding frame, a feeding belt is rotatably installed inside the feeding frame, and a feeding motor with an output end connected to the feeding belt is fixedly installed on one side of the feeding frame;

[0008] The detection mechanism includes a lifting platform. On both sides of the lifting platform, there are fixedly installed transmission boxes. Inside the transmission boxes, there are rotatably installed three groups of transmission wheels. On the outside of the transmission boxes, there are fixedly installed transmission motors that provide power for the transmission wheels. The surfaces of the transmission wheels are provided with anti-slip grooves. At the rear side of the bottom of the support plate, there is a cylinder fixedly installed through a fixed seat. The output end of the cylinder penetrates through the support plate and is fixedly connected to the bottom of the lifting platform. The vision mechanism includes a support frame, a rotating rod, and two side plates. Above the support frame, there is a top detection lens fixedly installed. The rotating rod is rotatably installed above the support frame through a rotating gear at the top. At both ends of the rotating rod, there are fixedly installed horizontal electric push rods. Inside the side plates, there are fixedly installed vertical electric push rods. The output end of the vertical electric push rod is fixedly connected to the bottom of the output end of the horizontal electric push rod. Below the inner sides of the side plates, there are fixedly installed side detection lenses. Outside the top detection lens and the side detection lenses, there are fixedly installed multiple groups of supplementary light lamps. Above the lifting platform, there is a bottom background plate fixedly installed. On the front and rear sides of the side plates, there are side background plates clamped;

[0009] The diversion mechanism includes a fixed frame and a diversion frame. Inside the diversion frame, there is a discharge belt rotatably installed. On one side of the diversion frame, there is a discharge motor fixedly installed with an output end connected to the discharge belt. At the front and rear sides inside the fixed frame, there are fixedly installed slide rods. At the front and rear sides of the bottom of the diversion frame, there are slide seats that cooperate with the slide rods. At the central position of the fixed frame, there is an adjustment screw rotatably installed. At the central position of the bottom of the diversion frame, there is a driving seat that cooperates with the adjustment screw. On one side of the fixed frame, there is a diversion motor fixedly installed with an output end connected to the adjustment screw.

[0010] Preferably, the surface of the feeding belt is provided with feeding protrusions, and the surface of the discharge belt is provided with discharge protrusions.

[0011] Preferably, inside the side background plate, there is a clamping plate fixedly installed. On the front and back surfaces of the side plates, there are clamping grooves that cooperate with the clamping plate.

[0012] Preferably, at the top of the support frame, there is a conductive ring fixedly installed. The output ends of the conductive ring are respectively fixedly connected to the side detection lens, the horizontal electric push rod, and the vertical electric push rod.

[0013] Preferably, at the top of the support frame, there is a rotating motor fixedly installed. The output end of the rotating motor is fixedly installed with a driving gear that extends into the support frame and cooperates with the rotating gear.

[0014] Preferably, on the top of the lifting platform, there are multiple groups of vacuum suction cups that penetrate through the bottom background plate. The vacuum suction cups are connected to an external vacuum device through air pipes.

[0015] Preferably, two sets of mounting plates are fixedly installed on the front and back of the bottom background plate, and two sets of mounting grooves for cooperating with the mounting plates are provided on the front and back of the lifting platform.

[0016] Preferably, a support screw is threadedly installed at the bottom of the leg, and a foot plate is rotatably installed at the bottom of the support screw.

[0017] Advantageous Effects

[0018] The present invention provides a vision inspection device for industrial production lines. Compared with the prior art, it has the following advantageous effects:

[0019] This vision inspection device for industrial production lines can perform vision inspection on the top and four sides of the outer wall of the product through the cooperation between the top inspection lens and the side inspection lens, solving the problem of the inability to perform vision inspection on the four sides of the outer wall of vertical products. Moreover, the bottom background plate can be changed to a contrasting color according to the color of the product, and through the contrast color, it is convenient for the image processing algorithm to better identify and segment the product, so as to obtain better inspection effects. At the same time, the cooperation between the diversion rack and the discharge belt can classify and discharge the genuine products, defective products, and substandard products detected by vision, facilitating subsequent separation processing, thus reducing labor and loss costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the side structure of the present invention;

[0022] Figure 3 It is a schematic diagram of the support mechanism of the present invention;

[0023] Figure 4 It is a schematic diagram of the detection mechanism of the present invention;

[0024] Figure 5 It is a schematic diagram of the assembly structure of the bottom background plate of the present invention;

[0025] Figure 6 It is a schematic diagram of the vision mechanism of the present invention;

[0026] Figure 7 It is a schematic diagram of the assembly structure of the side background plate of the present invention;

[0027] Figure 8 It is a schematic diagram of the diversion mechanism of the present invention;

[0028] Figure 9 It is a schematic diagram of the bottom of the diversion mechanism of the present invention;

[0029] Figure 10 Schematic diagram of the feeding mechanism of the present invention;

[0030] In the figure: 1. Support mechanism; 101. Support plate; 102. Leg; 103. Stabilizing rod; 104. Support screw; 105. Foot plate; 2. Feeding mechanism; 201. Feeding frame; 202. Feeding motor; 203. Feeding belt; 204. Feeding protrusion; 3. Detection mechanism; 301. Lifting platform; 302. Vacuum chuck; 303. Bottom background plate; 304. Installation groove; 305. Installation plate; 4. Vision mechanism; 401. Support frame; 402. Rotating rod; 403. Rotating gear; 404. Horizontal electric push rod; 405. Side plate; 406. Vertical electric push rod; 407. Side background plate; 408. Rotating motor; 409. Driving gear; 4010. Conductive ring; 4011. Card slot; 4012. Card plate; 5. Shunting mechanism; 501. Fixed frame; 502. Shunting motor; 503. Adjusting screw; 504. Slide bar; 505. Shunting frame; 506. Discharge belt; 507. Discharge protrusion; 508. Discharge motor; 509. Driving seat; 5010. Slide seat; 6. Transmission box; 601. Transmission motor; 602. Transmission wheel; 603. Anti-slip groove; 7. Top detection lens; 701. Side detection lens; 702. Fill light; 8. Cylinder; 801. Fixed seat. Detailed implementation manners

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] Please refer to Figures 1-10, the present invention provides a technical solution: a vision detection device for an industrial production line, including a support mechanism 1, a feeding mechanism 2 and a detection mechanism 3 which are arranged front and back on the support mechanism 1. A vision mechanism 4 is erected above the detection mechanism 3, and a diversion mechanism 5 is arranged on the back of the support mechanism 1. The support mechanism 1 includes a support plate 101. Legs 102 are fixedly installed on the front and rear sides of the bottom of the support plate 101, and a stabilizing rod 103 is fixedly installed below the inner side of the legs 102. The feeding mechanism 2 includes a feeding frame 201. A feeding belt 203 is rotatably installed inside the feeding frame 201. A feeding motor 202 with an output end connected to the feeding belt 203 is fixedly installed on one side of the feeding frame 201. The detection mechanism 3 includes a lifting platform 301. Transmission boxes 6 are fixedly installed on both sides of the lifting platform 301. Three transmission wheels 602 are rotatably installed inside the transmission boxes 6. Transmission motors 601 for providing power to the transmission wheels 602 are fixedly installed on the outside of the transmission boxes 6. Anti-slip grooves 603 are arranged on the surfaces of the transmission wheels 602. A cylinder 8 is fixedly installed on the rear side of the bottom of the support plate 101 through a fixing seat 801. The output end of the cylinder 8 penetrates through the support plate 101 and is fixedly connected to the bottom of the lifting platform 301. The vision mechanism 4 includes a support frame 401, a rotating rod 402 and two side plates 405. A top detection lens 7 is fixedly installed above the support frame 401. The rotating rod 402 is rotatably installed above the support frame 401 through a rotating gear 403 at the top. Transverse electric push rods 404 are fixedly installed at both ends of the rotating rod 402. A longitudinal electric push rod 406 is fixedly installed inside the side plate 405. The output end of the longitudinal electric push rod 406 is fixedly connected to the bottom of the output end of the transverse electric push rod 404. Side detection lenses 701 are fixedly installed below the inner sides of the side plates 405. Multiple groups of supplementary lights 702 are fixedly installed outside the top detection lens 7 and the side detection lenses 701. A bottom background board 303 is fixedly installed above the lifting platform 301. Side background boards 407 are clamped on the front and rear sides of the side plates 405. The diversion mechanism 5 includes a fixing frame 501 and a diversion frame 505. A discharge belt 506 is rotatably installed inside the diversion frame 505. A discharge motor 508 with an output end connected to the discharge belt 506 is fixedly installed on one side of the diversion frame 505. Slide rods 504 are fixedly installed on the front and rear sides inside the fixing frame 501. Slide seats 5010 which are used in cooperation with the slide rods 504 are fixedly installed on the front and rear sides of the bottom of the diversion frame 505. An adjusting screw 503 is rotatably installed at the central position of the fixing frame 501. A driving seat 509 which is used in cooperation with the adjusting screw 503 is fixedly installed at the central position of the bottom of the diversion frame 505. A diversion motor 502 with an output end connected to the adjusting screw 503 is fixedly installed on one side of the fixing frame 501.

[0033] Based on the above structure settings, the vision inspection device for industrial production lines consists of a support mechanism 1, a feeding mechanism 2, an inspection mechanism 3, a vision mechanism 4, and a shunting mechanism 5. Among them, the support mechanism 1 supports the feeding mechanism 2, the inspection mechanism 3, the vision mechanism 4, and the shunting mechanism 5 during operation. The feeding mechanism 2 can move the products on the production line into the device during the operation of the device. The inspection mechanism 3 can lift the products to be inspected. The vision mechanism 4 conducts vision inspection on the lifted products. The shunting mechanism 5 can classify and discharge the products after the vision inspection is completed. Specifically, during the working process, the support mechanism 1 is installed at the output end of the production line. The support legs 102 and the support plate 101 support the device during use. The stabilizing rod 103 can connect and fix the bottom of the support legs 102, thereby increasing the stability of the support legs 102 when supporting the device. The feeding belt 203 is rotatably installed inside the feeding frame 201. The feeding motor 202 drives the feeding belt 203 to rotate inside the feeding frame 201 to convey and feed the products. The driving motor 601 can drive three groups of driving wheels 602 to rotate through the driving box 6. The driving wheels 602 can move the products fed through the feeding belt 203 above the lifting platform 301 by rotation. The anti-slip grooves 603 increase the stability of the driving wheels 602 when moving the products. The air cylinder 8 can lift the products on the lifting platform 301 and the driving wheels 602 by extending. The bottom of the support frame 401 is fixedly installed on one side of the support plate 101. The top inspection lens 7 above the support frame 401 can conduct vision shooting on the top of the lifted products. The side inspection lens 701 can conduct vision shooting on the outer wall of the lifted products. The rotating rod 402 can rotate the side inspection lens 701 along the outer wall of the lifted products through the rotating gear 403. Thus, the side inspection lens 701 can conduct vision inspection on the four sides of the outer wall of the products, avoiding the function of being unable to conduct vision inspection on the four sides of the outer wall of the products during use. The top inspection lens 7 and the side inspection lens 701 are both connected to the processing and analysis system of the device through wires. Thus, the processing and analysis system of the device analyzes and processes the product images captured by the top inspection lens 7 and the side inspection lens 701. The fill light 702 can provide illumination and fill light during the shooting of the top inspection lens 7 and the side inspection lens 701, increasing the clarity of the top inspection lens 7 and the side inspection lens 701 when conducting vision shooting on the products. The bottom background plate 303 and the side background plate 407 can be changed to a contrasting color according to the color of the products. The contrasting color during the vision inspection of the products by the bottom background plate 303 and the side background plate 407 facilitates the image processing algorithm to better identify and segment the products. Thus, the device can obtain better inspection effects, increasing the quality and speed of the device when conducting vision analysis and inspection on the products. The discharging motor 508 drives the discharging belt 506 inside the shunting frame 505 to rotate to convey and move the products after the vision analysis is completed.The shunt frame 505 is slidably mounted on the slide bar 504 inside the fixed frame 501 through the bottom slide base 5010. At the same time, the shunt motor 502 drives the adjustment screw 503 to rotate, enabling two-sided movement adjustment of the drive seat 509 and the shunt frame 505 inside the fixed frame 501. By adjusting the movement of the shunt frame 505, normal products, defective products, and substandard products visually analyzed can be sorted and discharged, thus realizing the function of sorting and discharging after product visual inspection, avoiding the need for subsequent manual operation by staff, and therefore reducing the workload of personnel.

[0034] Furthermore, feeding protrusions 204 are provided on the surface of the feeding belt 203, and discharging protrusions 507 are provided on the surface of the discharging belt 506. Among them, the feeding protrusions 204 increase the friction on the surface of the feeding belt 203, and the discharging protrusions 507 increase the friction on the surface of the discharging belt 506. By increasing the friction on the surfaces of the feeding belt 203 and the discharging belt 506, the stability of the device during product feeding and discharging is improved.

[0035] Furthermore, a clamping plate 4012 is fixedly installed inside the side background plate 407, and clamping grooves 4011 for cooperating with the clamping plate 4012 are provided on the front and back of the side plate 405. Among them, the clamping plate 4012 can be quickly installed and disassembled by being embedded in the clamping groove 4011, increasing the convenience for staff to replace the side background plate 407.

[0036] Furthermore, a conductive ring 4010 is fixedly installed on the top of the support frame 401, and the output ends of the conductive ring 4010 are fixedly connected to the side detection lens 701, the horizontal electric push rod 404, and the vertical electric push rod 406 respectively. Among them, the conductive ring 4010 can transmit signals and supply electrical energy to the side detection lens 701, the horizontal electric push rod 404, and the vertical electric push rod 406 during the rotation of the rotating rod 402, avoiding the situation of signal wires and power wires being wound during the rotation operation of the rotating rod 402.

[0037] Furthermore, a rotating motor 408 is fixedly installed on the top of the support frame 401, and a driving gear 409 extending into the support frame 401 and cooperating with the rotating gear 403 is fixedly installed at the output end of the rotating motor 408. Among them, the rotating motor 408 can drive the rotating gear 403 and the rotating rod 402 to rotate through the driving gear 409, thus facilitating the visual inspection of the four outer walls of the product by the side detection lens 701.

[0038] Further, multiple groups of vacuum suction cups 302 penetrating the bottom background plate 303 are fixedly installed on the top of the lifting platform 301, and the vacuum suction cups 302 are connected to an external vacuum device through air pipes. Among them, the vacuum suction cups 302 can adsorb and fix the bottom when the lifting platform 301 lifts the product through the externally connected vacuum device, thereby increasing the stability of the device during visual inspection of the product and avoiding the situation of the product shaking and instability.

[0039] Further, two groups of mounting plates 305 are fixedly installed on the front and back of the bottom background plate 303, and two groups of mounting grooves 304 for cooperating with the mounting plates 305 are provided on the front and back of the lifting platform 301. Among them, the mounting plates 305 are fixedly installed in the mounting grooves 304 through bolts to fix the bottom background plate 303 during operation, thereby increasing the stability of the bottom background plate 303 during operation.

[0040] Further, a support screw 104 is threadedly installed at the bottom of the leg 102, and a foot plate 105 is rotatably installed at the bottom of the support screw 104. Among them, the height of the foot plate 105 can be adjusted by rotating the support screw 104, thereby increasing the stability of the device when placed and used on uneven ground through the support screw 104 and the foot plate 105.

[0041] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A visual inspection device for an industrial production line, characterized by: The invention comprises a support mechanism (1), a feeding mechanism (2) and a detection mechanism (3) which are arranged on the support mechanism (1) in a front-to-back distribution, a visual mechanism (4) being arranged above the detection mechanism (3), and a diversion mechanism (5) being arranged on the back of the support mechanism (1); The support mechanism (1) comprises a support plate (101), the front and rear sides of the bottom of the support plate (101) are fixedly mounted with support legs (102), and a stabilizing rod (103) is fixedly mounted below the inner side of the support legs (102); the feeding mechanism (2) comprises a feeding frame (201), a feeding belt (203) is rotatably mounted inside the feeding frame (201), and a feeding motor (202) whose output end is connected to the feeding belt (203) is fixedly mounted on one side of the feeding frame (201); The detection mechanism (3) includes a lifting platform (301), a transmission box (6) is fixedly installed on both sides of the lifting platform (301), three sets of transmission wheels (602) are rotatably installed on the inner side of the transmission box (6), a transmission motor (601) for providing power to the transmission wheels (602) is fixedly installed on the outer side of the transmission box (6), and the surface of the transmission wheels (602) is provided with an anti-slip groove (603), a cylinder (8) is fixedly installed on the rear side of the bottom of the support plate (101) through a fixed seat (801), and the output end of the cylinder (8) passes through the support plate (101) and is fixedly connected to the bottom of the lifting platform (301), the visual mechanism (4) includes a support frame (401) and a rotating rod (402), two sets of side plates (405), and a top detection mechanism (401) is fixedly installed on the top of the support frame (401). The lens (7) is rotatably mounted on the top of the support frame (401) through the rotating gear (403) at the top. Both ends of the rotating rod (402) are fixedly mounted with a transverse electric push rod (404). The interior of the side plate (405) is fixedly mounted with a longitudinal electric push rod (406). The output end of the longitudinal electric push rod (406) is fixedly connected to the bottom of the output end of the transverse electric push rod (404). The lower part of the inner side of the side plate (405) is fixedly mounted with a side detection lens (701). The outer sides of the top detection lens (7) and the side detection lens (701) are fixedly mounted with multiple groups of fill lights (702). The top of the lifting platform (301) is fixedly mounted with a bottom background plate (303). The front and rear sides of the side plate (405) are provided with a side background plate (407). The diversion mechanism (5) comprises a fixed frame (501) and a diversion frame (505), a discharging belt (506) is rotatably mounted inside the diversion frame (505), a discharging motor (508) whose output end is connected to the discharging belt (506) is fixedly mounted on one side of the diversion frame (505), a sliding rod (504) is fixedly mounted on the front and rear sides of the interior of the fixed frame (501), a sliding seat (5010) used in conjunction with the sliding rod (504) is fixedly mounted on the front and rear sides of the bottom of the diversion frame (505), an adjusting screw (503) is rotatably mounted at the central position of the fixed frame (501), a driving seat (509) used in conjunction with the adjusting screw (503) is fixedly mounted at the central position of the bottom of the diversion frame (505), and a diversion motor (502) whose output end is connected to the adjusting screw (503) is fixedly mounted on one side of the fixed frame (501).

2. A visual inspection device for an industrial production line according to claim 1, characterized in that: The surface of the feeding belt (203) is provided with a feeding protrusion (204), and the surface of the discharging belt (506) is provided with a discharging protrusion (507).

3. The visual inspection device for an industrial production line according to claim 2, characterized in that: A card plate (4012) is fixedly installed inside the side background plate (407), and a card slot (4011) for use with the card plate (4012) is provided on the front and back of the side plate (405).

4. The visual inspection device for an industrial production line according to claim 1, characterized in that: A conductive ring (4010) is fixedly mounted on the top of the support frame (401), and the output end of the conductive ring (4010) is fixedly connected to the side detection lens (701), the horizontal electric push rod (404), and the longitudinal electric push rod (406), respectively.

5. The visual inspection device for an industrial production line according to claim 1, characterized in that: A rotating motor (408) is fixedly mounted on the top of the support frame (401), and a driving gear (409) extending into the interior of the support frame (401) and cooperating with the rotating gear (403) is fixedly mounted on the output end of the rotating motor (408).

6. The visual inspection device for an industrial production line according to claim 1, characterized in that: A plurality of vacuum suction cups (302) penetrating the bottom background plate (303) are fixedly mounted on the top of the lifting platform (301), and the vacuum suction cups (302) are connected to external vacuum equipment via air pipes.

7. The visual inspection device for an industrial production line according to claim 1, characterized in that: Two sets of mounting plates (305) are fixedly mounted on the front and back of the bottom background plate (303), and two sets of mounting slots (304) for use with the mounting plates (305) are provided on the front and back of the lifting platform (301).

8. The visual inspection device for an industrial production line according to claim 1, characterized in that: The bottom of the support leg (102) is threadedly mounted with a support screw (104), and the bottom of the support screw (104) is rotatably mounted with a foot plate (105).

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