A product output visual inspection agency

Abstract

This invention belongs to the field of visual inspection technology, specifically a product output visual inspection mechanism, including a conveying device for conveying pipe caps, a feeding device, an inspection table, and a visual inspection device. The top of the inspection table is open, and the width of the opening is smaller than the maximum diameter of the pipe cap. An auxiliary platform is slidably installed inside the inspection table, and a cavity for inserting the pipe cap is opened inside the auxiliary platform. A rotating ring is rotatably installed inside the cavity, and a ball for pressing the pipe cap is slidably installed inside the rotating ring. Multiple balls are arranged in a ring at equal intervals inside the rotating ring. By allowing the auxiliary platform to tilt at a preset angle, combined with the continuous rotation of the rotating ring, the visual inspection device can acquire a three-dimensional image of the side of the thread from multiple angles and directions, effectively avoiding blind spots and light spot interference, and achieving high-precision inspection with 360° no dead angles.

Description

Technical Field

[0001] This invention belongs to the field of visual inspection technology, specifically a product output visual inspection mechanism. Background Technology

[0002] Product output visual inspection agencies are automated industrial inspection systems, especially for pipe cap products. First, a database of non-conforming products is set up. Then, high-resolution cameras, optical illumination, and image processing algorithms are used to perform high-speed, high-precision non-contact inspection of the pipe cap products' dimensions, appearance defects (such as scratches, dents, and stains), shape compliance, and marking integrity. This can screen out non-conforming products in real time, ensuring that the output products meet quality standards and improving production efficiency and consistency.

[0003] When the pipe cap is transported to the inspection station via a vibratory feeder or conveyor belt, its spatial posture is completely random. This results in the same product appearing in completely different images in the camera's field of view each time. Most existing visual inspection algorithms are based on template matching or feature extraction. Their core premise is that the target to be tested and the standard template have a high degree of consistency in spatial posture. Angle deviations can cause perspective distortion, feature occlusion, or changes in light reflection in the image, making it impossible for the algorithm to make effective comparisons or produce mismatches, directly causing missed detections or misjudgments, and thus affecting the efficiency of visual inspection.

[0004] Therefore, the present invention provides a product output visual inspection mechanism. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0006] The technical solution adopted by the present invention to solve its technical problem is: a product output visual inspection mechanism of the present invention, including a conveying device for conveying pipe caps, a feeding device, an inspection table and a visual inspection device;

[0007] The top of the testing platform is open, and the width of the opening is smaller than the maximum diameter of the pipe cap. An auxiliary platform is slidably installed inside the testing platform. The auxiliary platform has a cavity for inserting the pipe cap. A rotating ring is rotatably installed inside the cavity. A ball for pressing the pipe cap is slidably installed inside the rotating ring. Multiple balls are arranged in a ring and equidistantly inside the rotating ring.

[0008] The testing station is internally and elastically fitted with a delivery station for pushing the tube cap directly above the auxiliary station;

[0009] The testing platform has a fixed plate inside, and a winding roller is rotatably installed at the bottom of the fixed plate. Multiple winding rollers are arranged in a ring at equal intervals at the bottom of the fixed plate, and the outer walls of the multiple winding rollers are fixedly connected to the bottom of the auxiliary platform by pull ropes.

[0010] A control panel is slidably installed inside the testing platform. A sector gear is fixedly installed on the top of the control panel, and transmission gears are fixedly installed on the axial ends of the multiple winding rollers.

[0011] The auxiliary table has a take-up reel rotatably mounted inside. The take-up reel is connected to the inspection table by a transmission rope. A motor base is fixedly mounted at the bottom of the take-up reel. The motor base has a built-in motor, and the output shaft is fixedly connected to the take-up reel.

[0012] The testing platform has a sliding housing cylinder inside, and a movable ball is rotatably installed inside the housing cylinder. The top of the movable ball is fixedly connected to the motor base.

[0013] The testing platform has a drive wheel rotatably mounted inside, and a driven wheel is rotatably mounted above the fixed plate. The drive wheel and the driven wheel are connected by a belt. A transmission rod is fixedly mounted at the bottom of the testing platform, and the transmission rod is fixedly connected to the belt through a connecting block.

[0014] A transmission cylinder is fixedly installed inside the driven wheel. A slide rod is slidably installed inside the transmission cylinder. The slide rod is fixedly connected to the bottom end of the receiving cylinder. A spiral groove is opened on the inner wall of the transmission cylinder. A guide block is fixedly installed on the outer wall of the slide rod.

[0015] A rotating rod is rotatably installed inside the driven wheel. A limit rod is slidably installed inside the rotating rod. The other end of the limit rod is fixedly connected to the control panel. A locking block is elastically installed inside the driven wheel. A slot for the locking block to be inserted is opened on the outer wall of the rotating rod. One end of the locking block is inclined.

[0016] The outer wall of the rotating ring is slidably fitted with a pressure ring for pressing the ball. The inner wall of the rotating ring is in contact with the outer wall of the rotating ring. A push block is fixedly installed at the bottom end of the pressure ring. A push rod for pushing the push block is fixedly installed at the top end of the winding reel. A pressure rod is elastically installed at the top of the auxiliary platform. The other end of the pressure rod extends into the interior of the pressure ring.

[0017] The outer wall of the control panel is provided with a sliding groove, and a connecting rod is slidably installed inside the sliding groove. The other end of the connecting rod is fixedly connected to the sliding rod.

[0018] The beneficial effects of this invention are as follows:

[0019] 1. The product output visual inspection mechanism of the present invention uses an auxiliary platform, a rotating ring, and multiple equidistantly arranged spheres that are slidably installed inside the inspection table. After the auxiliary platform rises and supports the pipe cap, the multiple spheres simultaneously apply uniform pressure to the outer wall of the pipe cap, effectively limiting its displacement. The rotating ring drives the pipe cap to rotate synchronously, enabling the visual inspection equipment to clearly capture the complete image of the internal thread of the pipe cap. This allows for precise measurement and quality inspection of key parameters such as thread profile, pitch, pitch diameter, and taper, thereby directly evaluating the screwing performance, sealing reliability, and connection strength of the pipe cap, significantly improving the comprehensiveness and accuracy of the inspection.

[0020] 2. The product output visual inspection mechanism of the present invention, after the auxiliary platform supports the support cap, drives the sector gear to mesh with multiple transmission gears in sequence through the rotation of the control disk, drives the corresponding take-up roller to rotate and performs differential winding and unwinding of the pull rope, so that the auxiliary platform can tilt at a preset angle. Combined with the continuous rotation of the rotating ring, the visual inspection equipment can acquire a three-dimensional image of the side of the thread from multiple angles and directions, effectively avoiding blind spots and light spot interference, achieving high-precision inspection with 360° no dead angle, completely solving the problems of imaging deformation, feature occlusion and misjudgment caused by random posture in traditional methods, and significantly improving the reliability and efficiency of inspection. Attached Figure Description

[0021] The invention will now be further described with reference to the accompanying drawings.

[0022] Figure 1 This is a perspective view of the present invention;

[0023] Figure 2 This is a cross-sectional view of the testing station in this invention;

[0024] Figure 3 This is a schematic diagram of the winding reel in this invention;

[0025] Figure 4 In this invention Figure 2 Enlarged view of point A in the image;

[0026] Figure 5 In this invention Figure 3 Enlarged view of point B in the image;

[0027] Figure 6 In this invention Figure 3 Enlarged view of point C in the image.

[0028] In the diagram: 1. Feeding equipment; 2. Inspection table; 3. Vision inspection equipment; 4. Conveying equipment; 5. Inspection table; 6. Transmission rod; 7. Drive wheel; 8. Connecting block; 9. Driven wheel; 10. Transmission rope; 11. Auxiliary table; 12. Rotary ring; 13. Ball; 14. Pressure rod; 15. Take-up reel; 16. Motor base; 17. Movable ball; 18. Container cylinder; 19. Slide rod; 20. Transmission cylinder; 21. Connecting rod; 22. Pull rope; 23. Top pressure ring; 24. Fixed plate; 25. Control plate; 26. Push block; 27. Push rod; 28. Spiral groove; 29. ​​Guide block; 30. Rotating rod; 31. Locking block; 32. Limiting rod; 33. Take-up roller; 34. Transmission gear; 35. Sector gear. Detailed Implementation

[0029] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0030] like Figures 1 to 6 As shown in the figure, a product output visual inspection mechanism according to an embodiment of the present invention includes a conveying device 4 for conveying pipe caps, a feeding device 1, an inspection table 2, and a visual inspection device 3. The conveying device 4 sends the pipe caps into the interior of the feeding device 1, and the feeding device 1 then sequentially sends the pipe caps to the inspection table 2.

[0031] The top of the testing platform 2 is open, and the width of the opening is smaller than the maximum diameter of the pipe cap. An auxiliary platform 11 is slidably installed inside the testing platform 2. The auxiliary platform 11 has a cavity for inserting the pipe cap. A rotating ring 12 is rotatably installed inside the cavity. A ball 13 for pressing the pipe cap is slidably installed inside the rotating ring 12. Multiple balls 13 are arranged in a ring and equidistantly inside the rotating ring 12.

[0032] When the cap slides on the testing platform 2 to directly above the auxiliary platform 11, the auxiliary platform 11 is controlled to slide upward. The lower half of the cap will be submerged in the cavity opened in the auxiliary platform 11. The inner wall of the rotating ring 12 is not in contact with the outer wall of the cap. When the auxiliary platform 11 rises, it will simultaneously drive the cap to rise and move the cap away from the testing platform 2. By having multiple balls 13 set inside the rotating ring 12 simultaneously press against the outer wall of the cap, the movement of the cap can be restricted. When the rotating ring 12 rotates, it will simultaneously drive the cap to rotate.

[0033] Since the maximum diameter of the cap is greater than the opening width on the inspection table 2, when the cap falls onto the inspection table 2, the opening of the cap will face upwards under the action of gravity, thus displaying the internal threads. The cap is then held by the ball 13 inside the rotating ring 12, which drives the cap to rotate synchronously. When the cap rotates, the vision inspection device 3 can perform precise quality inspection on the opening of the internal threads of the cap. Compared with the existing technology that detects the external features of the cap based on template matching or feature matching, this invention directly detects the key parameters of the internal thread of the cap, such as the tooth profile, pitch, pitch diameter, and taper. It can directly determine whether the cap can be smoothly screwed on, sealed, and whether the connection strength meets the standards in the later use, thereby improving the inspection efficiency of the vision inspection device 3 for the cap.

[0034] The testing station 2 is internally and flexibly equipped with a delivery station 5 for pushing the pipe cap directly above the auxiliary station 11;

[0035] The inspection table 5 is installed inside the inspection table 2 via a tension spring. The inspection table 5 is located on the lower left side of the feeding device 1, and the tension spring is in its normal state (with...). Figure 2 (Perspective), so when the feeding device 1 places the pipe cap on the inspection table 2, the pipe cap will quickly adjust under the action of gravity, so that the opening is upward. By sliding the inspection table 5 toward the auxiliary table 11, the pipe cap located below the feeding device 1 can be pushed to the top of the auxiliary table 11, which is convenient for the auxiliary table 11 to assist the pipe cap in visual inspection.

[0036] The testing platform 2 is equipped with a fixed plate 24 inside. A winding roller 33 is rotatably installed at the bottom of the fixed plate 24. Multiple winding rollers 33 are arranged in a ring at equal intervals at the bottom of the fixed plate 24. The outer walls of the multiple winding rollers 33 are all fixedly connected to the bottom of the auxiliary platform 11 by pull ropes 22.

[0037] The take-up rollers 33 are rotatably mounted on the bottom of the fixed plate 24 via torsion springs. The pull ropes 22 on the multiple take-up rollers 33 are all fixedly connected to the bottom of the fixed plate 24 and the auxiliary platform 11. Under normal conditions, the multiple take-up rollers 33 take up part of the pull ropes 22. When the auxiliary platform 11 slides upward inside the inspection platform 2, it will pull multiple pull ropes 22 at the same time. At this time, the multiple take-up rollers 33 will rotate at the same time, the torsion spring will deform and store elastic potential energy, and the multiple take-up rollers 33 will release part of the pull ropes 22 at the same time. If one of the take-up rollers 33 rotates and takes up the pull rope 22, the pull rope 22 will pull one end of the auxiliary platform 11 downward. At this time, the auxiliary platform 11 will cause the pipe cap to tilt. After tilting, the visual inspection device 3 captures the side view of the thread, and can simultaneously see three-dimensional information such as tooth height and tooth shape. By rotating to obtain side images from multiple angles, the software can synthesize richer three-dimensional information, thereby more accurately judging the defect type.

[0038] When the auxiliary platform 11 tilts the cap, the movement of the cap is restricted by the pressure from the outer wall of the cap by multiple spheres 13 inside the rotating ring 12. When the rotating ring 12 rotates, it simultaneously rotates the cap. After the cap tilts at an angle, the field of view of the visual inspection device 3 can follow the spiral line of the thread to penetrate deep inside, observing multiple turns of the thread. Combined with slow rotation, this tilted perspective can scan the entire internal thread area of ​​the cap 360 degrees without blind spots. The previously obscured "other side" will gradually enter the field of view of the visual inspection device 3 as it rotates, further improving the accuracy of inspecting the internal thread of the cap. Furthermore, the simultaneous tilting and rotation of the metal cap can reduce mirror reflection. The problem of flare spots obscuring defects is addressed by the dynamic process of tilting and rotating, which ensures that any flare spot only appears briefly. By synchronously controlling the visual inspection device 3 to trigger the camera to take a picture at the angle where the flare disappears and the defect features are clearest (a technique known to those skilled in the art, which will not be elaborated here), high-quality images with uniform illumination and obvious features are obtained, greatly improving the recognition accuracy. This solves the problem in the existing technology where the spatial posture of the pipe cap is random when it is transported to the inspection station by a vibrating plate or conveyor belt. Angle deviations can cause perspective distortion, feature occlusion, or changes in illumination reflection, making it impossible for the algorithm to make effective comparisons or produce mismatches, resulting in missed detections or misjudgments. This improves the efficiency of visual inspection.

[0039] A control panel 25 is slidably installed inside the testing table 2. A sector gear 35 is fixedly installed on the top of the control panel 25, and a transmission gear 34 is fixedly installed on the axial ends of multiple take-up rollers 33.

[0040] The rotation of the control panel 25 can drive the sector gear 35 to mesh with multiple transmission gears 34 in sequence, and control the rotation of the transmission gears 34. Through the sequential rotation of the multiple transmission gears 34 and the take-up roller 33, the pull rope 22 drives the auxiliary table 11 and the tube cap to tilt in different directions in sequence, further improving the detection effect of the visual inspection equipment 3.

[0041] In a preferred embodiment of the present invention, a take-up reel 15 is rotatably mounted inside the auxiliary table 11. The take-up reel 15 is connected to the inspection table 5 by a transmission rope 10. A motor base 16 is fixedly mounted at the bottom of the take-up reel 15. The motor base 16 has a built-in motor, and the output shaft is fixedly connected to the take-up reel 15.

[0042] The motor drives the take-up reel 15 to rotate, which can wind up the transmission rope 10 and pull the inspection table 5 toward the auxiliary table 11. The tension spring deforms and stores elastic potential energy. When the motor reverses, it drives the take-up reel 15 to unwind the transmission rope 10, and the tension spring releases its elastic potential energy, pulling the inspection table 5 back to its original position.

[0043] In a preferred embodiment of the present invention, a receiving cylinder 18 is slidably installed inside the detection stage 2, and a movable ball 17 is rotatably installed inside the receiving cylinder 18. The top end of the movable ball 17 is fixedly connected to the motor base 16.

[0044] When the auxiliary platform 11 is tilted, the motor base 16 will drive the movable ball 17 to rotate inside the housing cylinder 18, thereby realizing the tilting and rotation of the auxiliary platform 11.

[0045] In a preferred embodiment of the present invention, a drive wheel 7 is rotatably installed inside the testing table 2, and a driven wheel 9 is rotatably installed above the fixed plate 24. The drive wheel 7 and the driven wheel 9 are connected by a belt. A transmission rod 6 is fixedly installed at the bottom of the testing table 5. The transmission rod 6 is fixedly connected to the belt through a connecting block 8.

[0046] When the motor drives the winding reel 15 to rotate, it can wind up the transmission rope 10. When the inspection table 5 is pulled towards the auxiliary table 11, the inspection table 5 drives the belt to move simultaneously through the transmission rod 6 and the connecting block 8. Due to the movement of the belt, the driving wheel 7 and the driven wheel 9 can rotate simultaneously.

[0047] A transmission cylinder 20 is fixedly installed inside the driven wheel 9. A slide rod 19 is slidably installed inside the transmission cylinder 20. The slide rod 19 is fixedly connected to the bottom end of the receiving cylinder 18. A spiral groove 28 is opened on the inner wall of the transmission cylinder 20. A guide block 29 is fixedly installed on the outer wall of the slide rod 19.

[0048] When the driven wheel 9 rotates, it will drive the transmission cylinder 20 to rotate simultaneously. The spiral groove 28 and the guide block 29 can drive the slide rod 19 to slide up or down inside the transmission cylinder 20. When the slide rod 19 slides, it will control the auxiliary table 11 to slide synchronously inside the detection table 2 through the accommodating cylinder 18 and the movable ball 17.

[0049] When the motor drives the winding reel 15 to rotate, it can wind up the transmission rope 10. When the inspection table 5 is pulled towards the auxiliary table 11, the driven wheel 9 rotates clockwise. The transmission drum 20 can drive the slide rod 19 to slide down inside the transmission drum 20 through the spiral groove 28 and the guide block 29. When the motor rotates counterclockwise, the tension spring releases its elastic potential energy and pulls the inspection table 5 back to its original position. At the same time, the transmission rod 6 and the connecting block 8 drive the belt and the driven wheel 9 to rotate counterclockwise. The transmission drum 20 can drive the slide rod 19 to slide up inside the transmission drum 20 through the spiral groove 28 and the guide block 29.

[0050] In a preferred embodiment of the present invention, a rotating rod 30 is rotatably installed inside the driven wheel 9, and a limiting rod 32 is slidably installed inside the rotating rod 30. The other end of the limiting rod 32 is fixedly connected to the control panel 25. A locking block 31 is elastically installed inside the driven wheel 9, and a slot for the locking block 31 to be inserted is opened on the outer wall of the rotating rod 30. One end of the locking block 31 is inclined.

[0051] With the setting of the locking block 31, when the driven wheel 9 rotates clockwise, the locking block 31 will retract into the interior of the driven wheel 9. Therefore, the driven wheel 9 cannot drive the rotating rod 30 to rotate clockwise at the same time. When the driven wheel 9 rotates counterclockwise, the locking block 31 engages with the locking slot, and the driven wheel 9 can drive the rotating rod 30 to rotate counterclockwise. The rotating rod 30 can drive the control panel 25 to rotate counterclockwise at the same time through the limit rod 32.

[0052] Therefore, when the motor drives the take-up reel 15 to rotate and wind up the transmission rope 10, pulling the inspection table 5 toward the auxiliary table 11, the driven wheel 9 rotates clockwise. The transmission drum 20, through the spiral groove 28 and guide block 29, can drive the slide rod 19 to slide down inside the transmission drum 20, making it easier for the inspection table 5 to push the tube cap directly above the auxiliary table 11. When the motor drives the take-up reel 15 to reverse and unwind the transmission rope 10, the inspection table 5 moves away from the auxiliary table under the action of the tension spring, and through the transmission rod 6 and connecting block 8, drives the belt and driven wheel 9 to rotate counterclockwise. The spiral groove 28 and guide block 29 can drive the slide rod 19 to slide up inside the transmission drum 20. At the same time, the counterclockwise rotation of the driven wheel 9 will also drive the rotating rod 30 to rotate counterclockwise synchronously through the locking block 31.

[0053] In a preferred embodiment of the present invention, a pressing ring 23 for pressing the ball 13 is slidably installed on the outer wall of the rotating ring 12, the inner wall of the rotating ring 12 is in contact with the outer wall of the rotating ring 12, a push block 26 is fixedly installed at the bottom end of the pressing ring 23, a push rod 27 for pushing the push block 26 is fixedly installed at the top end of the winding reel 15, and a pressure rod 14 is elastically installed on the top of the auxiliary platform 11, with the other end of the pressure rod 14 extending into the interior of the pressing ring 23.

[0054] When the auxiliary platform 11 slides upward inside the detection platform 2, the pressure rod 14 presses against the opening of the detection platform 2, and drives the pressure ring 23 to slide downward inside the auxiliary ring 11. At the same time, it presses against multiple balls 13, pushing them towards the outer wall of the cap, thus limiting the position of the cap. Meanwhile, as the winding reel 15 rotates, it drives the push rod 27 to rotate simultaneously. The push rod 27 then pushes the push block 26 at the bottom of the pressure ring 23, thereby driving the rotating ring 12 to rotate through the pressure ring 23. Simultaneously, the cap rotates through the balls 13. When the pressure rod 14 slides upward, it drives the pressure ring 23 to slide upward inside the auxiliary platform 11.

[0055] The outer wall of the control panel 25 is provided with a sliding groove, and a connecting rod 21 is slidably installed inside the sliding groove. The other end of the connecting rod 21 is fixedly connected to the sliding rod 19.

[0056] When the motor drives the winding reel 15 to rotate, it can wind up the transmission rope 10. When the inspection table 5 is pulled towards the auxiliary table 11, the driven wheel 9 rotates clockwise. The transmission drum 20 can drive the slide rod 19 to slide down inside the transmission drum 20 through the spiral groove 28 and the guide block 29. At this time, the slide rod 19 will drive the control disk 25 to slide down synchronously through the connecting rod 21. When the slide rod 19 slides up, it can drive the control disk 25 to slide up through the connecting rod 21.

[0057] When the control panel 25 slides upward, the sector gear 35 located above the control panel 25 will engage with the transmission gear 34. When the control panel 25 slides downward, the sector gear 35 will disengage from the transmission gear 34.

[0058] When the motor drives the winding reel 15 to rotate, it can wind up the transmission rope 10. When the inspection table 5 is pulled towards the auxiliary table 11, the driven wheel 9 rotates clockwise. The transmission drum 20 can drive the slide bar 19 to slide down inside the transmission drum 20 through the spiral groove 28 and the guide block 29. The control disc 25 will also slide down, so that the sector gear 35 and the transmission gear 34 are separated.

[0059] When the motor drives the take-up reel 15 to rotate in the opposite direction and unwinds the transmission rope 10, the inspection table 5 moves away from the auxiliary table 11 and drives the driven wheel 9 to rotate counterclockwise via the belt. The transmission drum 20 can drive the slide bar 19 to slide upward inside the transmission drum 20 through the spiral groove 28 and the guide block 29. The control disc 25 slides upward under the action of the connecting rod 21, so that the sector gear 35 meshes with the transmission gear 34. At the same time, the rotating rod 30 drives the limit rod 32 to make the control disc 25 drive the sector gear 35 to rotate, which in turn makes the take-up roller 33 rotate and wind up the pull rope 22. The control auxiliary table 11 causes the tube cap to tilt. The visual inspection device 3 can simultaneously see three-dimensional information such as tooth height and tooth shape. By rotating, it can obtain side images from multiple angles. The software can synthesize richer three-dimensional information, thereby more accurately judging the defect type.

[0060] The terms "front," "back," "left," "right," "top," and "bottom" all refer to the figures in the accompanying drawings. Figure 1 Based on the perspective of the observer, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0061] In the description of this invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this invention.

[0062] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A product output visual inspection mechanism, comprising a conveying device (4) for conveying pipe caps, a feeding device (1), an inspection table (2) and a visual inspection device (3); characterized in that The top of the inspection table (2) is provided with an opening, the opening width of which is smaller than the maximum diameter of the pipe cap, an auxiliary table (11) is slidingly installed inside the inspection table (2), a cavity for placing the pipe cap is formed in the inside of the auxiliary table (11), a rotating ring (12) is rotatably installed in the inside of the cavity, a plurality of spheres (13) for pressing the pipe cap are slidingly installed in the inside of the rotating ring (12), and the plurality of spheres (13) are arranged in a ring shape at equal intervals in the inside of the rotating ring (12); A detection table (5) for pushing the pipe cap directly above the auxiliary table (11) is elastically installed in the inside of the inspection table (2); A fixing disc (24) is arranged in the inside of the inspection table (2), a plurality of winding rollers (33) are rotatably installed at the bottom of the fixing disc (24), and the outer walls of the plurality of winding rollers (33) are fixedly connected to the bottom end of the auxiliary table (11) through a pull rope (22); A control disc (25) is slidingly installed in the inside of the inspection table (2), a sector gear (35) is fixedly installed at the top of the control disc (25), and a transmission gear (34) is fixedly installed at the axial end of each of the plurality of winding rollers (33).

2. The product output vision inspection mechanism according to claim 1, characterized in that: A winding disc (15) is rotatably installed in the inside of the auxiliary table (11), the winding disc (15) is connected to the detection table (5) through a transmission rope (10), a motor base (16) is fixedly installed at the bottom of the winding disc (15), a motor is built in the motor base (16), and the output shaft is fixedly connected to the winding disc (15).

3. The product output vision inspection mechanism of claim 2, wherein: An accommodation cylinder (18) is slidingly installed in the inside of the inspection table (2), a movable ball (17) is rotatably installed in the inside of the accommodation cylinder (18), and the top of the movable ball (17) is fixedly connected to the motor base (16).

4. The product output vision inspection mechanism of claim 3, wherein: A driving wheel (7) is rotatably installed in the inside of the inspection table (2), a driven wheel (9) is rotatably installed above the fixing disc (24), the driving wheel (7) and the driven wheel (9) are connected through a belt, a transmission rod (6) is fixedly installed at the bottom of the detection table (5), and the transmission rod (6) is fixedly connected to the belt through a connecting block (8); A transmission cylinder (20) is fixedly installed in the driven wheel (9), a sliding rod (19) is slidingly installed in the inside of the transmission cylinder (20), the bottom of the sliding rod (19) is fixedly connected to the accommodation cylinder (18), a helical groove (28) is formed in the inner wall of the transmission cylinder (20), and a guide block (29) is fixedly installed on the outer wall of the sliding rod (19).

5. The product output vision inspection mechanism of claim 4, wherein: The driving wheel (9) is internally rotatably installed with a rotating rod (30), the inside of the rotating rod (30) is slidably installed with a limiting rod (32), the other end of the limiting rod (32) is fixedly connected with a control disc (25), the inside of the driving wheel (9) is elastically installed with a clamping block (31), the outer wall of the rotating rod (30) is provided with a clamping groove for inserting the clamping block (31), and one end of the clamping block (31) is obliquely arranged.

6. The product output vision inspection mechanism of claim 5, wherein: The outer wall of the rotating ring (12) is slidably installed with a pressing ring (23) for pressing the sphere (13), the inner wall of the rotating ring (12) is attached to the outer wall of the rotating ring (12), the bottom end of the pressing ring (23) is fixedly installed with a push block (26), the top end of the winding disc (15) is fixedly installed with a push rod (27) for pushing the push block (26), the top of the auxiliary table (11) is elastically installed with a pressing rod (14), and the other end of the pressing rod (14) extends into the inside of the pressing ring (23).

7. The product output vision inspection mechanism of claim 6, wherein: The outer wall of the control disc (25) is provided with a sliding groove, the inside of the sliding groove is slidably installed with a connecting rod (21), and the other end of the connecting rod (21) is fixedly connected with the sliding rod (19).

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