MPDB connecting support detection and packaging counting mistake-proofing equipment

Abstract

The utility model relates to the technical field of automobile part detection and packaging, in particular to MPDB connecting support detection and packaging counting mistake proofing equipment which comprises a detection device and a packaging device located on one side of the detection device. The detection device comprises a machine table, a rotary working table located on the machine table, a visual detection mechanism, a thread detection mechanism and a defective product grabbing mechanism, and the visual detection mechanism, the thread detection mechanism and the defective product grabbing mechanism are sequentially and evenly distributed on the periphery of the rotary working table. Defective products appearing in the inspection process are marked in time through the defective product grabbing mechanism, grabbed and put into a defective product box, and finally qualified products are manually taken down and put into a packaging box; and the system counts the number of qualified products and comprehensively judges the time when the qualified workpieces leave the workpiece positioning part and enter the packaging box, so that all the qualified products in the packaging box are ensured, and the packaging quantity is accurate.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts inspection and packaging technology, and in particular to an MPDB connector bracket inspection and packaging counting error prevention device. Background Technology

[0002] Automobiles are a vital means of transportation in our lives, and their entire bodies contain tens of thousands of parts. Any defect in any component can become a weakness in the vehicle's overall performance. The MPDB connecting bracket, as the connecting frame between the front bumper beam and the pedestrian protection bracket, is particularly important in terms of quality. Currently, the production process for MPDB connecting brackets separates inspection and packaging, involving material transfer and repackaging. This not only increases the risk of material mixing but also means that relying solely on weighing for quantity accuracy during packaging is not 100% accurate due to fluctuations in material weight. However, in the automotive industry, absolute accuracy is required for the packaging quantity of parts directly packaged. Therefore, current weighing error-proofing equipment cannot meet this requirement. Furthermore, existing MPDB connecting bracket inspection separates appearance and functional testing, making it impossible to perform both on the same equipment. Therefore, there is an urgent need for a device that integrates the inspection and packaging of MPDB connecting brackets and can also count and prevent errors.

[0003] Chinese patent CN221273740U discloses a packaging device for processing automotive parts. It uses an optical inspection mechanism and a parts screening mechanism to take pictures of each part. The pictures are then compared with pictures of qualified parts to screen out unqualified parts, and finally the qualified parts are packaged. However, the device does not include the function detection of parts or the counting function of the number of packages. Utility Model Content

[0004] To address the problems existing in the prior art, this utility model provides a device that can not only inspect the appearance and function of the MPDB connecting bracket, but also count the number of packages to prevent errors.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An MPDB connector bracket inspection and packaging counting error prevention device includes an inspection device and a packaging device located on one side of the inspection device. The inspection device includes a machine base, a rotary worktable located on the machine base, and a vision inspection mechanism, a thread inspection mechanism, and a defective product gripping mechanism arranged sequentially around the rotary worktable. The rotary worktable includes a geared motor, a cam divider, and an indexing plate. The geared motor is fixed on the machine base, and its output end is connected to the cam divider. The cam divider is equipped with an indexing plate, and the indexing plate is equipped with multiple workpiece positioning parts, which match the outer contour of the workpiece to be inspected. The packaging device is equipped with a weighing sensor.

[0007] The aforementioned MPDB connection bracket detection and packaging counting error prevention device includes a thread detection mechanism comprising a left thread detection mechanism and a right thread detection mechanism. Both mechanisms have the same structure, including a second bracket, a torque detection wrench, a lifting cylinder, a lifting guide rail, and a pressing cylinder. The lifting cylinder is fixed to the machine base via the second bracket, and its output end is connected to the torque detection wrench via a connector. The bottom of the torque detection wrench is connected to a standard bolt. The lifting guide rail is vertically fixed to the second bracket and is connected to the torque detection wrench via a guide rail slider.

[0008] The above-mentioned MPDB connection bracket detection and packaging counting error prevention device includes a thread detection mechanism that further includes a limit switch fixed to the upper end of the second bracket for detecting the descent position of the torque detection wrench. The pressure cylinder is fixedly connected to the machine base, and its output end presses against the workpiece to be inspected.

[0009] The aforementioned MPDB connecting bracket detection and packaging counting error prevention equipment includes a defective product gripping structure comprising a third bracket, a moving cylinder, a moving guide rail, a gripping cylinder, a gripping guide rail, an electromagnetic block, a defective product box, and a moving plate. The moving cylinder is fixedly connected to the machine base via the third bracket, and its output end is connected to the moving plate. The moving guide rail is horizontally fixed on the third bracket and connected to the moving plate via a guide rail slider. A gripping cylinder is mounted on the other side of the moving plate, and the output end of the gripping cylinder is connected to a gripping component. The gripping guide rail is vertically fixed on the moving plate and connected to the gripping component via a guide rail slider. The bottom end of the gripping component is connected to an electromagnetic block. The defective product box is located at the lower part of the machine base, and the machine base has clearance holes at positions corresponding to the defective product box.

[0010] The aforementioned MPDB connection bracket detection and packaging counting error prevention device further includes a marking cylinder and a marker pen in its defective product gripping mechanism. The marking cylinder is connected to the gripping component, and its output end is connected to the marker pen.

[0011] The aforementioned MPDB connection bracket detection and packaging counting error prevention device includes a visual inspection mechanism comprising a first bracket, a light source, and a camera. The first bracket is fixedly connected to the machine base and is equipped with the light source and camera, with the camera located at the center of the light source.

[0012] The aforementioned MPDB connecting bracket detection and packaging counting error prevention device has a positioning post on the workpiece positioning part, which cooperates with the positioning hole of the transverse support arm of the workpiece to be inspected.

[0013] The aforementioned MPDB connection bracket detection and packaging counting error prevention device includes an end cover on the rotary worktable. The end cover is located on the upper end of the indexing plate and its center is fixedly connected to the cam divider. A laser sensor is provided on the side of the end cover used for picking up and placing the workpiece to be inspected. The presence or absence of the workpiece to be inspected is determined by the laser sensor.

[0014] The above-mentioned MPDB connection bracket detection and packaging counting error prevention device includes a packaging device comprising a weighing platform and a grating detector. The upper end of the weighing platform is used to place the workpiece packaging box, and the bottom of the platform is equipped with a weighing sensor. The grating detector is fixed to both sides of the weighing platform by a grating bracket.

[0015] The aforementioned MPDB connection bracket detection and packaging counting error prevention device also includes a label printer in the packaging unit.

[0016] The beneficial effects of adopting the above technical solution are as follows:

[0017] This invention uses a rotating worktable to rotate the workpiece to be inspected, causing it to pass through five stations in sequence: workpiece loading and unloading, visual inspection, left thread inspection, right thread inspection, and defective product grabbing. The camera of the visual inspection mechanism takes pictures of and compares the workpiece to be inspected. The thread inspection mechanism uses a torque wrench to detect the torque of the nut on the workpiece to be inspected. At the same time, the limit switch can determine whether there are foreign objects in the thread based on the position of the torque wrench. The defective product grabbing mechanism uses a moving cylinder, a grabbing cylinder, and an electromagnetic block to mark and grab defective products that appear during inspection and put them into a defective product box to avoid confusion with qualified products. Finally, qualified products are manually removed and placed into a packaging box. The packaging device uses a grating detector and a weighing sensor, and the system comprehensively judges the number of qualified products and the time between the qualified workpiece leaving the workpiece positioning part and entering the packaging box to ensure that all products in the packaging box are qualified and the packaging quantity is accurate.

[0018] The entire device performs appearance and functional testing on the same equipment, and combines the testing and packaging processes, avoiding the risk of material mixing during material transfer and repackaging. It reduces the inspection and packaging cycle time from 2 minutes / piece to 30 seconds / piece, greatly improving work efficiency. Through system error prevention, it ensures that the quality and quantity of products in the packaging box meet the requirements 100%. Attached Figure Description

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0020] Figure 1 This is a schematic diagram of the structure of this utility model (not drawn to scale);

[0021] Figure 2 for Figure 1 Enlarged view of part A in the middle (not drawn to scale);

[0022] Figure 3 This is a schematic diagram of the structure of the rotary worktable of this utility model (not drawn to scale);

[0023] Figure 4 This is a schematic diagram of the structure of the visual inspection mechanism of this utility model (not drawn to scale);

[0024] Figure 5 This is a schematic diagram of the thread detection mechanism of this utility model (not drawn to scale);

[0025] Figure 6 for Figure 5 Enlarged view of part B in the middle (not drawn to scale);

[0026] Figure 7 This is a schematic diagram of the defective product gripping mechanism of this utility model (not drawn to scale);

[0027] Figure 8 This is a schematic diagram of the structure of the workpiece to be inspected, which is the target of this utility model (not drawn to scale).

[0028] In the diagram: 1. Machine base; 11. End cap; 111. Laser sensor; 12. Clearance hole; 2. Rotary worktable; 21. Gear motor; 22. Cam divider; 23. Indexing plate; 231. Workpiece positioning part; 232. Positioning column; 3. Vision inspection mechanism; 31. First support; 32. Light source; 33. Camera; 4. Thread inspection mechanism; 41. Second support; 42. Torque testing wrench; 421. Standard bolt; 43. Lifting cylinder; 44. Lifting guide rail; 45. Pressing cylinder; 451. First pressing cylinder; 452. Second pressing cylinder 46. ​​Cylinder; 47. Limit switch; 48. Fourth bracket; 5. Support roller; 6. Defective product gripping mechanism; 79. Third bracket; 80. Moving cylinder; 91. Moving plate; 102. Moving guide rail; 11. Gripping cylinder; 12. Gripping part; 13. Electromagnetic block; 14. Gripping guide rail; 15. Defective product box; 16. Marking cylinder; 17. Marker pen; 18. Weighing platform; 19. Weighing sensor; 20. Grating detector; 21. Grating bracket; 22. Workpiece to be inspected; 33. Positioning hole; 44. Nut; 55. Side lug; 66. Label printer. Detailed Implementation

[0029] like Figure 8As shown, the outer contour of the workpiece 8 to be inspected in this utility model is "T" shaped, including two types of workpieces, left and right, which are mirror images of each other. One side of its horizontal support arm is provided with a side ear 83 and a positioning hole 81, and two nuts 82 are mounted on the vertical support arm.

[0030] like Figure 1-7 As shown, this utility model includes a detection device and a packaging device located on one side of the detection device. The detection device includes a machine base 1, a rotating worktable 2 located on the machine base 1, and a vision inspection mechanism 3, a thread inspection mechanism 4, and a defective product gripping mechanism 5 arranged sequentially around the rotating worktable. The packaging device is equipped with a weighing sensor 61. The number of workpieces to be packaged is determined by the weighing sensor 61 and the system's counting of qualified products. After the equipment is started, the operator places the workpiece 8 to be inspected on the rotating worktable. The rotating worktable drives the workpiece to rotate, causing it to pass through the vision inspection mechanism and the thread inspection mechanism in sequence. When one of the inspections fails, the workpiece rotates to the defective product gripping mechanism, where it is removed. Qualified products are removed by the operator and placed into a packaging box at the top of the packaging device. The system determines the number of workpieces in the packaging box by combining the number of qualified products and the weight change of the packaging box.

[0031] like Figure 2-3 As shown, the rotary worktable 2 includes a geared motor 21, a cam divider 22, and an indexing plate 23. The geared motor 21 is fixed on the machine base 1, and its output end is connected to the cam divider 22. The upper end of the cam divider 22 is connected to the indexing plate 23. The indexing plate 23 is provided with multiple workpiece positioning parts 231. The workpiece positioning parts 231 match the outer contour of the workpiece 8 to be inspected, and are provided with positioning posts 232. The positioning posts 232 match the positioning holes 81 of the transverse support arm of the workpiece to be inspected. There are five workpiece positioning parts 231, which are used for picking up and placing the workpiece to be inspected, visual inspection, left thread inspection, right thread inspection, and gripping of defective products, respectively.

[0032] like Figure 2 As shown, the machine tool 1 of this utility model is provided with an end cover 11. The end cover 11 is located on the upper end of the indexing plate 23 and is fixedly connected to the cam divider 22 at its center. A laser sensor 111 is provided on the side of the end cover 11 for picking up and placing the workpiece to be inspected. There are two laser sensors, which are located on the left and right sides of the workpiece positioning part 231, respectively. An upward side ear 83 is provided on one side of the transverse support arm of the workpiece 8 to be inspected. When the workpiece to be inspected is a left piece, the laser of the laser sensor 111 on the same side is blocked, so that the system can determine that the workpiece to be inspected is a left piece and compare this information with the pre-input information to see if they are consistent.

[0033] like Figure 4As shown, the visual inspection mechanism 3 includes a first support 31, a light source 32, and a camera 33. The first support 31 is fixedly connected to the machine base 1 and is equipped with the light source 32 and the camera 33. The camera 33 is located at the center of the light source 32. The camera 33 takes pictures of the workpiece 8 to be inspected and the system determines whether the workpiece is qualified. There are three light sources 32 and three cameras 33, which correspond one-to-one.

[0034] like Figure 5 As shown, the thread detection mechanism 4 includes a left thread detection mechanism and a right thread detection mechanism, both with identical structures. Each includes a second bracket 41, a torque detection wrench 42, a lifting cylinder 43, a lifting guide rail 44, a pressing cylinder 45, and a limit switch 46. The lifting cylinder 43 is fixed to the machine base 1 via the second bracket 41, and its output end is connected to a buffer. The buffer is connected to the torque detection wrench 42 via a connector. A standard bolt 421 is connected to the bottom of the torque detection wrench 42. The lifting guide rail 44 is fixed vertically to the second bracket 41 and connected to the torque detection wrench 42 via a guide rail slider. The lifting cylinder 43 drives the torque detection wrench 42 to move longitudinally along the lifting guide rail 44. Then, the torque detection wrench 42 detects the thread of the nut on the workpiece to be inspected according to the preset torque. The limit switch 46 is fixed to the upper end of the second bracket and is used to detect the descent position of the torque detection wrench 42. If there is a foreign object in the thread of the workpiece to be inspected 8, the standard bolt 421 cannot descend to the correct position, and the limit switch 46 will issue an alarm, determining that the workpiece is unqualified. The pressing cylinder 45 is fixedly connected to the machine base 1. When the workpiece to be inspected rotates to one side of the thread detection mechanism 4, the output end of the pressing cylinder 45 presses against the workpiece to be inspected 8.

[0035] like Figure 6 As shown, the pressing cylinder 45 includes a first pressing cylinder 451, a second pressing cylinder 452, and a third pressing cylinder. The first pressing cylinder 451 is connected to the second bracket 41, and its output end is connected to the first pressing end through a connector. The first pressing end is used to press the longitudinal support arm of the workpiece to be inspected. The second pressing cylinder 452 is connected to the end cover 11 through the fourth bracket 47, and its output end is connected to the second pressing end through a connector. A spring is sleeved on the outside of the second pressing end and is movably connected to the connector. The second pressing end is used to press the transverse support arm of the workpiece to be inspected. The third pressing cylinder is used to press the other end of the transverse support arm of the workpiece to be inspected. The rest are the same as those of the second pressing cylinder 452.

[0036] In addition, the thread detection mechanism of this utility model also includes a support roller 48, which is axially connected to the fifth bracket. The fifth bracket is fixed to the upper end of the machine base 1. When the torque detection wrench descends to detect the thread torque, the support roller 48 provides support to the indexing plate 23 to prevent the indexing plate 23 from tilting to one side.

[0037] like Figure 1 , 7 The defective product gripping structure 5 shown includes a third support 51, a moving cylinder 52, a moving guide rail 53, a gripping cylinder 54, a gripping guide rail 55, an electromagnetic block 542, a defective product box 56, and a moving plate 521. The moving cylinder 52 is fixedly connected to the machine base 1 via the third support 51, and its output end is connected to the moving plate 521. The moving guide rail 53 is fixed horizontally to the third support 51 and connected to the moving plate 521 via a guide rail slider. The moving plate 521 moves horizontally along the moving guide rail 53 under the drive of the moving cylinder 52. A gripping device is mounted on the moving plate 521. The cylinder 54 has its output end connected to the gripping component 541. The gripping guide rail 55 is fixed vertically on the moving plate 521 and connected to the gripping component 541 via the guide rail slider. The gripping component 541 moves up and down along the gripping guide rail 55 under the drive of the gripping cylinder 54. The bottom end of the gripping component 541 is connected to the electromagnetic block 542. The electromagnetic block 542 adsorbs the workpieces identified as defective and transfers them to the defective product box 56. The defective product box 56 is located at the lower part of the machine base 1. The machine base 1 is provided with a clearance hole 12 for falling defective workpieces to pass through.

[0038] The defective product gripping mechanism 5 of this utility model also includes a marking cylinder 57 and a marker pen 58. The marking cylinder 57 is connected to the gripping component 541, and its output end is connected to the marker pen 58. The marking cylinder 57 drives the marker pen 58 to descend and make a clear mark on the defective product.

[0039] like Figure 1 As shown, the packaging device includes a weighing platform 6 and a grating detector 7. The upper end of the weighing platform 6 is used to place the workpiece packaging box, and a weighing sensor 61 is provided at its bottom. The grating detector 7 is fixed to both sides of the weighing platform 6 by a grating bracket 71. When the operator puts a qualified workpiece into the workpiece packaging box, it will block the grating. The system determines that the qualified workpiece has been put into the workpiece packaging box by the grating signal of the blocked grating. At the same time, the system counts the time between the qualified workpiece leaving the workpiece positioning part 231 and entering the packaging box. If the time is exceeded, an alarm will be sounded to avoid the operator from casually placing the workpiece aside and then using other workpieces to make up for the mismatch between the number and weight of qualified products. Therefore, this utility model ensures that all the products in the packaging box are qualified and the packaging quantity is accurate by comprehensively judging the number of qualified products, the time between the qualified workpiece leaving the workpiece positioning part and entering the packaging box, the grating blocking signal, and the weighing sensor signal.

[0040] The packaging device of this utility model also includes a label printer 9. When the quantity and weight of qualified products meet the packing quantity, the system automatically starts label printing.

[0041] Work process:

[0042] 1. When starting a class, select the model, input the product batch information, operator, inspector, and serial number information, and store them in the record. Before the equipment is running normally, the equipment is reset and the error prevention verification procedure is used to verify the error prevention samples (non-conforming samples such as no thread, missing holes, missing material, no nut, exposed white material, etc.). If the verification is passed, normal production is allowed.

[0043] 2. The operator places the workpiece to be inspected on one side of the workstation for picking up and placing workpieces to be inspected, and connects the positioning hole of the workpiece to be inspected with the positioning post of the workpiece positioning part. The laser sensor determines whether the workpiece to be inspected is a left or right piece, and compares it with the information pre-input into the system. If the two match, the indexing plate drives the workpiece to rotate to the side of the vision inspection mechanism, and the operator continues to place the workpiece to be inspected on the next workpiece positioning part. If they do not match, an alarm is triggered.

[0044] 3. The camera of the visual inspection agency takes pictures of the workpiece to be inspected at its lower end and sends them back to the background. The system compares the pictures to determine whether the workpiece is qualified.

[0045] 4. The workpiece is rotated to the left thread inspection mechanism. The output end of the pressure cylinder descends to press against the workpiece. The lifting cylinder drives the torque inspection wrench to descend. According to the preset torque, a nut is inspected through a standard bolt. The descending position of the torque inspection wrench is measured by the limit switch. The overall judgment is made on whether the workpiece is qualified. The workpiece is rotated to the right thread inspection mechanism. The inspection steps are the same as the left thread inspection in the previous step.

[0046] 5. When the workpiece rotates to the side of the defective product gripping mechanism, if the workpiece is defective, the moving cylinder drives the moving plate to move horizontally towards the center of the indexing plate. Then, the gripping cylinder drives the magnetic block to descend and attract the workpiece. At the same time, the marking cylinder drives the marker pen to descend and make a clear mark on the workpiece. Then, the marking cylinder drives the marker pen to rise, the gripping cylinder drives the workpiece to rise, and the moving cylinder drives the moving plate to retreat to the top of the defective product box, releasing the attraction of the workpiece. The workpiece falls into the defective product box.

[0047] 6. When the workpiece is rotated to the side of the workstation for picking up and placing workpieces to be inspected, the qualified workpiece is picked up by the operator and placed into the packaging box on the packaging device within the specified time. The system automatically records the number of qualified products in the box and compares it with the data of the weighing sensor. If there is a discrepancy, an alarm will be triggered. For the empty workpiece positioning part on the indexing plate, the operator continues to place workpieces to be inspected.

[0048] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this invention.

Claims

1. An MPDB connector bracket detection and packaging counting error-proofing device, comprising a detection device and a packaging device located on one side of the detection device, characterized in that: The detection device includes a machine base (1), a rotary worktable (2) located on the machine base (1), and a visual inspection mechanism (3), a thread inspection mechanism (4), and a defective product gripping mechanism (5) arranged in sequence around the rotary worktable (2). The rotary worktable (2) includes a geared motor (21), a cam divider (22), and an indexing plate (23). The geared motor (21) is fixed on the machine base (1), and its output end is connected to the cam divider (22). The cam divider (22) is provided with an indexing plate (23), and the indexing plate (23) is provided with multiple workpiece positioning parts (231). The workpiece positioning parts (231) match the outer contour of the workpiece (8) to be inspected. The packaging device is provided with a weighing sensor (61).

2. The MPDB connector bracket detection and packaging counting error prevention device according to claim 1, characterized in that: The thread detection mechanism (4) includes a left thread detection mechanism and a right thread detection mechanism. The two have the same structure and both include a second bracket (41), a torque detection wrench (42), a lifting cylinder (43), a lifting guide rail (44), and a pressing cylinder (45). The lifting cylinder (43) is fixed on the machine base (1) through the second bracket (41), and its output end is connected to the torque detection wrench (42) through a connector. The bottom of the torque detection wrench (42) is connected to a standard bolt (421). The lifting guide rail (44) is vertically fixed on the second bracket (41) and is connected to the torque detection wrench (42) through a guide rail slider.

3. The MPDB connector bracket detection and packaging counting error prevention device according to claim 2, characterized in that: The thread detection mechanism (4) also includes a limit switch (46) fixed to the upper end of the second bracket (41) for detecting the descent position of the torque detection wrench (42). The pressure cylinder (45) is fixedly connected to the machine base (1), and its output end presses against the workpiece (8) to be inspected.

4. The MPDB connector bracket detection and packaging counting error prevention device according to claim 3, characterized in that: The defective product gripping mechanism (5) includes a third support (51), a moving cylinder (52), a moving guide rail (53), a gripping cylinder (54), a gripping guide rail (55), an electromagnetic block (542), a defective product box (56), and a moving plate (521). The moving cylinder (52) is fixedly connected to the machine base (1) through the third support (51), and its output end is connected to the moving plate (521). The moving guide rail (53) is horizontally fixed on the third support (51) and is connected to the moving plate (521) through a guide rail slider. The other side of the movable plate (521) is equipped with a gripping cylinder (54), the output end of the gripping cylinder (54) is connected to the gripping component (541), the gripping guide rail (55) is vertically fixed on the movable plate (521) and connected to the gripping component (541) through the guide rail slider, the bottom end of the gripping component (541) is connected to the electromagnetic block (542), the defective product box (56) is located at the lower part of the machine (1), and the machine (1) and the defective product box (56) are provided with clearance holes (12) at the corresponding positions.

5. The MPDB connector bracket detection and packaging counting error prevention device according to claim 4, characterized in that: The defective product grabbing mechanism (5) also includes a marking cylinder (57) and a marker pen (58). The marking cylinder (57) is connected to the grabbing member (541), and its output end is connected to the marker pen (58).

6. The MPDB connector bracket detection and packaging counting error prevention device according to claim 5, characterized in that: The visual inspection mechanism (3) includes a first support (31), a light source (32) and a camera (33). The first support (31) is fixedly connected to the machine base (1) and is equipped with a light source (32) and a camera (33). The camera (33) is located at the center of the light source (32).

7. The MPDB connector bracket detection and packaging counting error prevention device according to claim 6, characterized in that: The workpiece positioning part (231) is provided with a positioning post (232), which cooperates with the positioning hole (81) of the transverse support arm of the workpiece to be inspected.

8. The MPDB connector bracket detection and packaging counting error prevention device according to claim 7, characterized in that: The rotary table also includes an end cover (11), which is located on the upper end of the indexing plate (23) and its center is fixedly connected to the cam divider (22). A laser sensor (111) is provided on the side of the end cover (11) used for picking up and placing the workpiece to be inspected. The presence or absence of the workpiece (8) to be inspected is determined by the laser sensor (111).

9. The MPDB connector bracket detection and packaging counting error prevention device according to claim 1, characterized in that: The packaging device includes a weighing platform (6) and a grating detector (7). The upper end of the weighing platform (6) is used to place the workpiece packaging box, and the bottom of the platform is equipped with a weighing sensor (61). The grating detector (7) is fixed on both sides of the weighing platform (6) by a grating bracket (71).

10. The MPDB connector bracket detection and packaging counting error prevention device according to claim 9, characterized in that: The packaging apparatus also includes a label printer (9).

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