Rubber part sealing ring visual detection counting and packaging equipment
By using a visual inspection and counting packaging device with camera detection, the problem of counting defects in the packaging process of rubber sealing rings has been solved, enabling precise feeding and counting of individual sealing rings, thus improving packaging efficiency and accuracy.
Patent Information
- Application Number
- CN202510443476.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2045-04-10
AI Technical Summary
In the prior art, during the packaging process, the rubber sealing rings are not arranged sequentially on the conveyor belt, which leads to counting defects. Multiple rings may fall off at once, resulting in an increase in the number of packages, especially for sealing rings with smaller openings.
The visual inspection and counting packaging equipment uses a picking structure to pick up the sealing ring by inserting it into the material box, and uses the box arm and expansion arm for limiting. Combined with camera detection, it realizes individual feeding and counting.
This improves the precision and efficiency of sealing ring packaging, ensuring that each sealing ring is cut to the correct quantity, and avoiding the problem of multiple sealing rings falling off at the same time.
Smart Images

Figure CN119929282B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the technical field of sealing ring packaging and feeding equipment, specifically a visual inspection and counting packaging equipment for rubber sealing rings. Background Technology
[0002] In the packaging process after production, rubber sealing rings are often automatically picked up and opened by automated equipment. The sealing rings are then transported by conveyor belt and counted by weight, that is, the number of rubber rings entering is calculated by gravity sensing at the position of the packaging bag. Since the sealing rings on the conveyor belt are not arranged sequentially, multiple sealing rings may fall off at one time during transport, resulting in counting defects and an increase in the number of packages, especially for some sealing rings with smaller openings. Summary of the Invention
[0003] To address the shortcomings of existing technologies, a visual inspection and counting packaging device for rubber sealing rings is provided. This device solves the problem of counting and feeding rubber rings in existing technologies, and achieves accurate feeding for packaging.
[0004] To achieve the above objectives, the present invention provides the following technical solution: a visual inspection, counting, and packaging device for rubber sealing rings, comprising a main structure, a moving structure, a pair of picking structures, and a pair of feeding structures; the main structure is used to carry the sealing rings and packaging, the moving structure is used to drive the picking structures to move, the moving structure is fixedly mounted on the main structure, the picking structures are fixedly mounted on the moving structure, and the feeding structures are fixedly mounted on the main structure, and the feeding structures correspond to the picking structures; the picking structures are used to pick up the sealing rings, and the feeding structures are used to block and limit the sealing rings on the picking structures, and to achieve counting.
[0005] Preferably, the main structure includes a base, a material box, a partition, a conveyor belt body, and a packaging machine body; the base is T-shaped, the material box is fixedly installed at the rear end of the base, and the inner sidewall of the material box has a funnel-shaped structure, the partition is fixedly installed in the middle of the material box, the conveyor belt body is fixedly installed at the right end of the base and located in front of the material box, and the packaging machine body is fixedly installed in the middle of the front end of the base and opposite to the material box, and the packaging machine body is used to automatically feed packaging bags and open the bag opening.
[0006] Preferably, the movable structure includes a support base, a pair of assist columns, a hydraulic cylinder, a lifting arm, a first electric slide rail, and a second electric slide rail; one end of the support base is fixedly disposed in the middle of the rear side wall of the material box, one end of each of the pair of assist columns is symmetrically disposed on the upper wall of the other end of the support base, the hydraulic cylinder is fixedly disposed at the other end of the support base and located between the assist columns, one end of each lifting arm is movably fitted onto the assist columns and one end of the lifting arm is connected to the telescopic end of the hydraulic cylinder, one end of the first electric slide rail is fixedly disposed on the other end of the lifting arm and is parallel to the partition, the second electric slide rail is fixedly disposed on the first electric slide rail and is perpendicular to the first electric slide rail, and opposite second movable seats are symmetrically disposed on the second electric slide rail, and the second electric slide rail moves back and forth through the first electric slide rail.
[0007] Preferably, the picking structure includes a flipping frame, a first motor, a box arm, a shaft plate, a second motor, a worm gear, a pair of worm wheels, and a pair of expanding arms; the flipping frame is fixedly mounted on the second movable seat of the second electric slide rail, the first motor is fixedly mounted on the flipping frame, one end of the box arm is movably embedded in the flipping frame and connected to the drive end of the first motor, the other end of the box arm is arc-shaped and has a hollow structure, both the left and right side walls of the other end of the box arm have expanding openings, and the shaft plate is fixedly mounted inside the other end of the box arm, and the shaft... The plate is located above the expansion opening. The second motor is fixedly mounted on the inner rear side wall of the other end of the box arm and located above the middle of the shaft plate. One end of the worm gear movably passes through the middle of the shaft plate and is connected to the drive end of the second motor. A pair of worm wheels are respectively movably embedded in the other end of the box arm and are located on the left and right sides of the worm gear. The worm wheels are respectively engaged with the worm gear and are located at the expansion opening. One end of each pair of expansion arms is L-shaped. One end of each pair of expansion arms is fixedly mounted on the side wall of the worm wheel, and the other end of the expansion arms is movably embedded in the expansion opening.
[0008] Preferably, the unloading structure includes a boom, a housing, a third motor, a cross arm, a pair of telescopic arms, and a pair of connecting arms; one end of the boom is fixedly mounted on the right side wall of the material box, and the other end of the boom is located above the front side of the material box; the housing is inclinedly mounted on the other end of the boom and is opposite to the picking structure; the third motor is fixedly mounted on the left side wall inside the housing; the middle of the cross arm is fixedly mounted on the drive end of the third motor; one end of each pair of telescopic arms movably penetrates the lower wall of the housing; one end of each pair of connecting arms is movably connected to the telescopic arms, and the other ends of the connecting arms are respectively connected to both ends of the cross arm.
[0009] Preferably, one of the telescopic arms is detachably mounted with a concave third adjustment seat, and the third adjustment seat is fixed by bolts.
[0010] Preferably, the box arm is flipped by a first motor and fits into the telescopic arm, and the tilt angle of the box arm is the same as the tilt angle of the chassis.
[0011] Preferably, a camera is installed on the other end of each boom.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] This invention utilizes a centralized loading system for sealing rings. A funnel-shaped structure on the inner wall of the material bin, along with a partition, divides the bin into two spaces. A pair of pickup structures pick up the sealing rings at two different workstations within the bin. A moving structure then raises and flips the pickup structure to contact the unloading structure. The unloading structure limits the sealing rings mounted on the pickup structure, allowing for individual unloading and counting. A camera imaging detection system further enhances counting accuracy, enabling precise quantity-based packaging.
[0014] The picking mechanism picks up the sealing ring by inserting the picking arm into the hopper containing the sealing ring. As the picking arm descends, it swings left and right and back and forth to misalign itself, ensuring that the arm can effectively insert into the middle of the sealing ring. Then, the expansion arm increases the width of one end of the arm to limit the sealing ring. As the arm flips and tilts, the sealing rings are arranged sequentially on the arm for easy feeding.
[0015] In summary, this invention features innovative designs in several aspects, including centralized loading, dual-station picking, automated unloading, high-precision counting and detection, flexible picking and arrangement, and optimized structural design, which significantly improve the efficiency, accuracy, and quality of sealing ring packaging. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the assembly structure of the present invention;
[0017] Figure 2 This is a schematic diagram of the main structure of the present invention broken down;
[0018] Figure 3 This is a schematic diagram of the movable structure of the present invention;
[0019] Figure 4 This is a schematic diagram of the disassembled picking structure of the present invention;
[0020] Figure 5 This is a schematic diagram of the disassembled material feeding structure of the present invention;
[0021] Figure 6 To capture a portion of the structure and enlarge it to display a schematic diagram of the structure;
[0022] Figure 7 for Figure 4 Enlarged view of section A in the image;
[0023] Figure 8 for Figure 4 A magnified view of section B in the image.
[0024] In the diagram: 1. Main structure; 11. Base; 12. Material box; 13. Partition; 14. Conveyor belt body; 15. Baling machine body; 2. Moving structure; 21. Bearing seat; 22. Assist column; 23. Hydraulic cylinder; 24. Lifting arm; 25. First electric slide rail; 26. Second electric slide rail; 3. Picking structure; 31. Tilting frame; 32. First motor; 33. Box arm; 34. Shaft plate; 35. Second motor; 36. Worm gear; 37. Worm wheel; 38. Expansion arm; 4. Unloading structure; 41. Hoist arm; 42. Machine box; 43. Third motor; 44. Cross arm; 45. Telescopic arm; 46. Linkage arm; 5. Expansion opening; 6. Third adjusting seat; 7. Bolt; 8. Camera. Detailed Implementation
[0025] The following will refer to the appendices in the embodiments of the present invention. Figures 1-8 For further details:
[0026] like Figure 1 As shown, the present invention provides a technical solution: a visual inspection, counting, and packaging device for rubber sealing rings, comprising a main structure 1, a moving structure 2, a pair of picking structures 3, and a pair of feeding structures 4; the main structure 1 is used to carry the sealing rings and packaging, the moving structure 2 is used to drive the picking structures 3 to move, the moving structure 2 is fixedly mounted on the main structure 1, the picking structures 3 are fixedly mounted on the moving structure 2, and the feeding structures 4 are fixedly mounted on the main structure 1, and the feeding structures 4 correspond to the picking structures 3. The picking structures 3 are used to pick up the sealing rings, and the feeding structures 4 are used to block and limit the sealing rings on the picking structures 3, and realize counting.
[0027] Furthermore, such as Figure 2 As shown, the main structure 1 includes a base 11, a material box 12, a partition 13, a conveyor belt body 14, and a baling machine body 15. The base 11 is T-shaped. The material box 12 is fixedly installed at the rear end of the base 11, and the inner side wall of the material box 12 has a funnel-shaped structure. The partition 13 is fixedly installed in the middle of the material box 12. The conveyor belt body 14 is fixedly installed at the right end of the base 11 and is located in front of the material box 12. The baling machine body 15 is fixedly installed in the middle of the front end of the base 11 and is opposite to the material box 12. The baling machine body 15 is used to automatically feed packaging bags and open the bag opening. The material box 12 is used to load sealing rings. The partition 13 divides the material box 12 into two spaces. The conveyor belt body 14 is used for post-packaging transportation. The baling machine body 15 is used for automatically feeding packaging bags and opening them.
[0028] Furthermore, such as Figure 3As shown, the movable structure 2 includes a support base 21, a pair of assist columns 22, a hydraulic cylinder 23, a lifting arm 24, a first electric slide rail 25, and a second electric slide rail 26. One end of the support base 21 is fixedly disposed in the middle of the rear side wall of the material box 12. One end of each pair of assist columns 22 is symmetrically disposed on the upper wall of the other end of the support base 21. The hydraulic cylinder 23 is fixedly disposed at the other end of the support base 21 and located between the assist columns 22. One end of the lifting arm 24 is movably fitted onto the assist columns 22, and one end of the lifting arm 24 is connected to the telescopic end of the hydraulic cylinder 23. One end of the first electric slide rail 25 is fixedly disposed on the lifting arm. On the other end of 24, the first electric slide rail 25 is parallel to the partition 13, and the second electric slide rail 26 is fixedly installed on the first electric slide rail 25 and perpendicular to the first electric slide rail 25. The second electric slide rail 26 is symmetrically provided with opposing second moving seats. The second electric slide rail 26 moves back and forth through the first electric slide rail 25. The hydraulic cylinder 23 is supported by the bearing seat 21. The hydraulic cylinder 23 drives the first electric slide rail 25 on the lifting arm 24 to move up and down on the assist column 22. The first electric slide rail 25 drives the second electric slide rail 26 to move back and forth.
[0029] Furthermore, such as Figure 4 , Figure 6 , Figure 7 and Figure 8 As shown, the picking structure 3 includes a flipping frame 31, a first motor 32, a box arm 33, a shaft plate 34, a second motor 35, a worm gear 36, a pair of worm wheels 37, and a pair of expansion arms 38. The flipping frame 31 is fixedly mounted on the second movable seat of the second electric slide rail 26. The first motor 32 is fixedly mounted on the flipping frame 31. One end of the box arm 33 is movably embedded in the flipping frame 31 and is connected to the drive end of the first motor 32. The other end of the box arm 33 is arc-shaped and has a hollow structure. Expansion openings 5 are provided on both the left and right side walls of the other end of the box arm 33. The shaft plate 34 is fixedly mounted inside the other end of the box arm 33 and is located above the expansion openings 5. The second motor 35 is fixedly mounted on the inner rear side wall of the other end of the box arm 33 and is located above the middle of the shaft plate 34. One end of the worm gear 36 movably passes through the middle of the shaft plate 34 and is connected to the drive end of the second motor 35. A pair of worm wheels 37 are respectively movably embedded in the other end of the box arm 33 and are located on the left and right sides of the worm gear 36. The worm wheels 37 are respectively engaged with the worm gear 36 and are located at the expansion opening 5. One end of a pair of expansion arms 38 is L-shaped. One end of a pair of expansion arms 38 is fixedly set on the side wall of the worm wheel 37, and the other end of the expansion arms 38 is movably embedded in the expansion opening 5. The first motor 32 drives the box arm 33 to flip on the flipping frame 31. The box arm 33 is inserted into the material box 12 to insert multiple sealing rings. The second motor 35 drives the worm gear 36 to rotate, causing the worm wheel 37 to drive the expansion arms 38 to flip and cover one end of the box arm 33 to prevent the sealing rings from falling off.
[0030] Furthermore, such as Figure 5 As shown, the unloading structure 4 includes a boom 41, a housing 42, a third motor 43, a horizontal arm 44, a pair of telescopic arms 45, and a pair of connecting arms 46. One end of the boom 41 is fixedly installed on the right side wall of the material box 12, and the other end of the boom 41 is located above the front side of the material box 12. The housing 42 is inclinedly installed on the other end of the boom 41, and the housing 42 is opposite to the picking structure 3. The third motor 43 is fixedly installed on the left side wall inside the housing 42. The middle part of the horizontal arm 44 is fixedly installed on the drive end of the third motor 43. One end of each pair of telescopic arms 45 moves through the lower wall of the housing 42. One end of each pair of connecting arms 46 is movably connected to the telescopic arms 45, and the other end of each connecting arm 46 is connected to both ends of the horizontal arm 44. The boom 41 supports the housing 42 at a certain height. The third motor 43 reciprocates to drive the two ends of the horizontal arm 44 to swing. Through the movable connection between the horizontal arm 44 and the connecting arms 46, the telescopic arms 45 are driven to alternately extend out of the housing 42.
[0031] Furthermore, a concave third adjustment seat 6 is detachably installed on one of the telescopic arms 45, and the third adjustment seat 6 is fixed by bolts 7. The installation of the third adjustment seat 6 is used to adjust the width of different sealing rings. The distance between the telescopic arms 45 is adjusted by the third adjustment seat 6 to achieve alternating contact with the box arm 33 to limit the sealing ring for single-ring feeding.
[0032] Furthermore, the box arm 33 is flipped by the first motor 32 and fits against the telescopic arm 45, and the tilt angle of the box arm 33 is the same as the tilt angle of the chassis 42, which is used to achieve contact limit and material feeding according to design requirements.
[0033] As a preferred option, a camera 8 is installed on the other end of each boom 41 to determine the number of sealing rings on the box arm 33 based on visual technology.
[0034] Working principle:
[0035] S1. The equipment is placed stably on the base 11. After the equipment is powered on, the packaging bags can be stacked and placed on the existing packaging machine body 15. The packaging bags are automatically fed by the packaging machine body 15 and the bag opening is opened by suction.
[0036] S2. The sealing rings are placed in the material box 12 in the main structure 1. The material box 12 is divided into two storage spaces by the partition 13, and the sealing rings are gathered in the center by the material box 12.
[0037] S3. By retracting the hydraulic cylinder 23 on the support seat 21 in the driving moving structure 2, the lifting arm 24 is driven to descend under the limit of the assist column 22, causing the picking structure 3 to be inserted into the material box 12 and located on both sides of the partition 13; as needed, during the descent of the picking structure 3, the first electric slide rail 25 is controlled to drive the second electric slide rail 26 to move back and forth, that is, to cause the box arm 33 to move backward and backward when it descends and inserts into the sealing ring, and to drive the picking structure 3 to move left and right with the help of the second electric slide rail 26 to move backward and backward, so that the box arm 33 can be effectively inserted into the middle of the sealing ring to insert multiple sealing rings;
[0038] S4. By driving the second motor 35, the worm 36 is driven to rotate on the shaft plate 34. The rotation of the worm 36 drives the symmetrically arranged worm wheel 37 to rotate. As the worm wheel 37 rotates, the expansion arm 38 is driven to flip open to both sides of the box arm 33 to block and prevent the sealing ring from falling off the box arm 33.
[0039] S5. After raising the box arm 33 with several sealing rings inserted, drive the first motor 32 to make the box arm 33 flip on the flipping frame 31, so that the box arm 33 tilts and fits against the telescopic arm 45; at this time, due to the tilt of the box arm 33, the sealing rings are only in contact with the upper wall of the inner ring and the box arm 33 by gravity and are arranged by tilt.
[0040] S6. After the bag opening is opened, the horizontal arm 44 is driven to reciprocate by the third motor 43 located in the machine box 42 on the drive arm 41, which corresponds to the other end of the tilted box arm 33. That is, the two ends of the horizontal arm 44 swing up and down. Through the movable connecting arm 46, the telescopic arm 45 is driven to reciprocate and extend and retract on the lower wall of the machine box 42. That is, only one telescopic arm 45 contacts the box arm 33 at a time to block it. As the telescopic arm 45 alternates, the expansion arm 38 is flipped and reset, so that the sealing ring is slid out one by one and falls into the packaging bag for counting and dispensing.
[0041] S7. Furthermore, after multiple sealing rings are inserted into the box arm 33, the number of sealing rings can be determined visually through the camera 8, and the number of rings can be determined based on the quantity to be disposed of, or disposed of sequentially.
[0042] S8. The pick-up structure 3 can be used for sealing rings of a certain diameter and width, depending on the diameter of the sealing ring. The third adjustment seat 6 can be installed by bolt 7 according to the width of the sealing ring. The obstruction space between the two telescopic arms 45 can be adjusted by the third adjustment seat 6 to achieve effective single feeding.
[0043] S9. After the corresponding quantity is placed into the packaging bag, the main body 15 of the packaging machine releases the packaging bag, and the packaging bag carrying the sealing ring falls onto the conveyor belt body 14 for conveying and transfer, so as to achieve accurate counting and packaging. If the number of sealing rings detected by the camera 8 on the box arm 33 is the same as the number of packaging required, the expansion arm 38 can be retracted directly to put all the materials in, or the counting and putting can be carried out by the interception of the extension arm 45 in sequence, so as to achieve a dual counting effect.
[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention, as long as they do not depart from the spirit and scope of the technical solutions of the present invention, should be covered within the scope of the claims of the present invention.
Claims
1. A rubber part seal ring visual inspection counting and packaging apparatus, characterized by, Including main body structure (1), mobile structure (2), a pair of pickup structure (3) and a pair of unloading structure (4);The main body structure (1) is used to carry sealing ring and packaging, the mobile structure (2) is used to drive pickup structure (3) to move, the mobile structure (2) is fixedly arranged on the main body structure (1), the pickup structure (3) is fixedly arranged on the mobile structure (2), the unloading structure (4) is fixedly arranged on the main body structure (1), and the unloading structure (4) corresponds to the pickup structure (3), the pickup structure (3) is used to pick up sealing ring, the unloading structure (4) is used to shield and limit the sealing ring on the pickup structure (3), and counting is realized; The mobile structure (2) includes a bearing seat (21), a pair of booster columns (22), a hydraulic cylinder (23), a lifting arm (24), a first electric sliding rail (25) and a second electric sliding rail (26); The bearing seat (21) is fixedly arranged on the rear side wall of the material box (12) in the middle, and a pair of the booster columns (22) are symmetrically arranged on the upper wall of the other end of the bearing seat (21), the hydraulic cylinder (23) is fixedly arranged on the other end of the bearing seat (21) and located between the booster columns (22), the lifting arm (24) is movably sleeved on the booster columns (22) at one end, and the other end of the lifting arm (24) is connected with the telescopic end of the hydraulic cylinder (23), the first electric sliding rail (25) is fixedly arranged on the other end of the lifting arm (24), and the first electric sliding rail (25) is parallel to the partition plate (13), the second electric sliding rail (26) is fixedly arranged on the first electric sliding rail (25), and the second electric sliding rail (26) is perpendicular to the first electric sliding rail (25), the second electric sliding rail (26) is symmetrically provided with opposite second moving seats, and the second electric sliding rail (26) moves forward and backward through the first electric sliding rail (25); The pickup structure (3) includes a turnover frame (31), a first motor (32), a box arm (33), a shaft plate (34), a second motor (35), a worm (36), a pair of worm gears (37) and a pair of expansion arms (38); The turnover frame (31) is fixedly arranged on the second moving seat of the second electric sliding rail (26), the first motor (32) is fixedly arranged on the turnover frame (31), one end of the box arm (33) is movably embedded in the turnover frame (31), and the box arm (33) is connected with the driving end of the first motor (32), the other end of the box arm (33) is arc-shaped, the box arm (33) is a hollow structure, the expansion opening (5) is arranged on the left and right side walls of the other end of the box arm (33), the shaft plate (34) is fixedly arranged in the other end of the box arm (33), and the shaft plate (34) is located above the expansion opening (5), the second motor (35) is fixedly arranged on the rear side wall of the other end of the box arm (33) and located above the middle part of the shaft plate (34), one end of the worm (36) is movably penetrated through the middle part of the shaft plate (34) and connected with the driving end of the second motor (35), and the pair of worm gears (37) are movably embedded in the other end of the box arm (33) and located on the left and right sides of the worm (36), respectively, the worm gears (37) are engaged with the worm (36), and the worm gears (37) are located at the expansion opening (5) part, one end of the pair of expansion arms (38) is L-shaped, and one end of the pair of expansion arms (38) is fixedly arranged on the side wall of the worm gear (37), and the other end of the expansion arm (38) is movably embedded in the expansion opening (5). The discharging structure (4) comprises a hanging arm (41), a machine box (42), a third motor (43), a cross arm (44), a pair of telescopic arms (45) and a pair of linkage arms (46); One end of the hanging arm (41) is fixedly arranged on the right side wall of the material box (12), the other end of the hanging arm (41) is located above the front side of the material box (12), the machine box (42) is arranged on the other end of the hanging arm (41) in an inclined manner, and the machine box (42) is opposite to the picking structure (3), the third motor (43) is fixedly arranged on the left side wall in the machine box (42), the cross arm (44) is fixedly arranged on the driving end of the third motor (43), one end of the pair of telescopic arms (45) is movably penetrated through the lower wall of the machine box (42), one end of the pair of linkage arms (46) is movably connected to the telescopic arm (45), and the other end of the linkage arm (46) is connected to the two ends of the cross arm (44), respectively, the spacing between the telescopic arms (45) is adapted to the width of the sealing ring, and only one telescopic arm (45) contacts the box arm (33) to block each time.
2. The rubber sealing ring visual inspection, counting and packaging apparatus according to claim 1, characterized in that, The main body structure (1) comprises a base (11), a material box (12), a partition plate (13), a conveying belt main body (14) and a packaging machine main body (15). The base (11) is T-shaped, the material box (12) is fixedly arranged at the rear end of the base (11), the inner side wall of the material box (12) is in a funnel-shaped structure, the partition plate (13) is fixedly arranged in the middle of the material box (12), the conveying belt body (14) is fixedly arranged at the right end of the base (11) and located at the front side of the material box (12), the packing machine body (15) is fixedly arranged at the front end of the base (11) and opposite to the material box (12), and the packing machine body (15) is used for automatically discharging a packaging bag and supporting the bag opening.
3. The rubber sealing ring visual inspection, counting and packaging apparatus according to claim 2, characterized in that, One of the telescopic arms (45) is detachably provided with a concave third adjusting seat (6), and the third adjusting seat (6) is fixed by bolts (7).
4. The rubber sealing ring visual inspection, counting and packaging apparatus according to claim 3, characterized in that, The box arm (33) is turned over by the first motor (32) and is attached to the telescopic arm (45), and the inclination angle of the box arm (33) is the same as the inclination angle of the case (42).
5. The rubber sealing ring visual inspection, counting and packaging apparatus according to claim 4, characterized in that, The other end of the hanging arm (41) is provided with a camera (8).
Citation Information
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