Screening and detecting device for locking nuts

By designing a locking nut screening and detection device and adopting a limit clamping mechanism and a synchronous belt transmission system, automatic detection and screening of nuts can be achieved, which solves the problem of low detection efficiency caused by manual operation and improves work efficiency.

CN223405420UActive Publication Date: 2025-10-03ZHENJIANG RUIGU ELECTRICAL EQUIP CO LTD
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Patent Information

Application Number
CN202421352593.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-10-03
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

Existing locking nuts require manual placement and pushing during stop gauge testing, resulting in low testing efficiency.

Method used

A locking nut screening and detection device was designed. It adopted a limit clamping mechanism and a synchronous belt transmission system to realize the automatic placement and detection of nuts. The automatic loading and unloading was performed by a robotic arm, and the detection head was used for stop gauge detection.

Benefits of technology

The detection efficiency of locking nuts is improved, the automatic screening and classification of nuts is realized, manual operations are reduced, and work efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lock nut screening detection device, relates to the tea leaf drying field, and comprises a detection machine body, the outer side wall of the detection machine body is connected with an action plate, both sides of the top of the action plate are provided with support rods, the top of the support rod is rotatably connected with a screw rod, and the screw rod is connected with a screw rod. The ends, away from the supporting rods, of the screws are connected with fixing plates, and storage mechanisms are arranged in inner cavities of the two fixing plates. In the implementation process of the device, the locking nuts can be conveniently placed and clamped in the using process, the angle is adjusted according to requirements for placement, and automatic feeding and discharging are conducted through cooperation of the mechanical arm.
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Description

Technical Field

[0001] The utility model belongs to the technical field of nut detection, in particular to a locking nut screening and detection device. Background Art

[0002] Locking nuts operate by self-locking through friction between the nut and bolt. However, this self-locking reliability decreases under dynamic loads. In critical situations, we employ anti-loosening measures to ensure reliable locking of the nut. Locking nuts are one such anti-loosening measure, and their effectiveness depends primarily on the interaction force between the mating threads of the nut and bolt. Currently, there are various methods to enhance this interaction force, such as thread structure improvements in Spirax nuts, roughening of the nylon in nylon nuts, and surface treatment of the threads.

[0003] At present, when the locking nut is inspected by the stop gauge, it is necessary to manually place the locking nut on the stop gauge inspection plate, and then start the inspection machine to inspect the nut. During the inspection, it is necessary to manually push the stop gauge inspection plate to connect the locking nut with the inspection head, resulting in low work efficiency when the nut is inspected. For this reason, we propose a locking nut screening and detection device. Summary of the Invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a locking nut screening and detection device, which effectively solves the problem in the background technology that when the locking nut is currently tested with a stop gauge, it is necessary to manually place the locking nut on the stop gauge detection plate, and then start the detection machine to detect the nut. During the detection, it is necessary to manually push the stop gauge detection plate to connect the locking nut to the detection head, which leads to low work efficiency when the nut is detected.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a locking nut screening and detection device, comprising a detection machine body, an outer side wall of the detection machine body being connected to an action plate, support rods being provided on both sides of the top of the action plate, a screw being rotatably connected to the top of the support rod, an end of the screw being away from the support rod being connected to a fixed plate, and a storage mechanism being provided in the inner cavities of two sets of the fixed plates;

[0006] The storage mechanism includes a placement plate for placing nuts and a limit clamping mechanism. The limit clamping mechanism includes at least two groups. The limit clamping mechanism includes a nut clamping piece and an anti-slip piece. When the clamping piece moves along the placement plate, the anti-slip clamp moves in the opposite direction of the placement plate.

[0007] Preferably, the outer side wall of the support rod is rotatably connected to a second synchronous wheel, the inner cavity of the second synchronous wheel is threadedly connected to the screw, the outer side wall of the detection machine body is provided with an action rod, and the outer side wall of the action rod is provided with two groups of first synchronous wheels, and the two groups of the first synchronous wheels and the second synchronous wheels on both sides are respectively connected with synchronous belts, and one end of the action rod principle detection machine body is connected to a detection head.

[0008] Preferably, the storage mechanism includes a turntable fixedly connected between two sets of fixed plates, and connecting columns are fixedly provided on both sides of the turntable. The two sets of connecting columns are rotatably connected to the outer walls of the two sets of fixed plates at one end away from the turntable.

[0009] Preferably, a first motor is provided in the inner cavity of the outer wall of the fixing plate, and a power output end of the first motor is connected to the connecting column.

[0010] Preferably, the clamping member includes a fixing frame slidably connected to the inner cavity of the turntable, and the bottom of the fixing frame is meshedly connected to the second gear.

[0011] Preferably, fixed support frames are evenly arranged on the inner side wall of the turntable, and the second gear is rotatably connected to the inner cavity of the fixed support frame.

[0012] Preferably, the anti-slip member includes a limiting tooth plate slidably connected to the inner cavity of the turntable, and the top of the limiting tooth plate is engaged with the bottom of the second gear.

[0013] Preferably, a sliding groove is carved on the top of the placement plate, and the limiting tooth plate is slidably connected in the sliding groove.

[0014] Preferably, a first gear is provided on the inner side wall of the turntable for uniform rotation, a second motor is connected to the inner cavity of the turntable by bolts, the top of the second motor is connected to any group of first gears, and the first gears are engaged with the limiting tooth plate.

[0015] Preferably, a limiting groove is bored in the inner cavity of the turntable, a gear ring is rotatably provided in the inner cavity of the limiting groove, and the outer side wall of the first gear is evenly meshed with the gear ring.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. When the limit tooth plate moves, the tooth block on the top of the limit tooth plate drives the fixed frame to move in the opposite direction, so that the fixed frame moves to the outside of the placement plate. The limit tooth plate is located in the inner cavity of the placement plate, blocking the locking nut while supporting the placement plate.

[0018] 2. When the clamping part moves along the placement plate, the anti-slip clamp moves in the opposite direction of the placement plate, and the first gear drives the limiting tooth plate to move toward the outer wall of the placement plate. When the limiting tooth plate moves toward the outer wall of the placement plate, the teeth of the limiting tooth plate drive the fixing frame to move toward the inner cavity of the placement plate, thereby clamping and fixing the locking nut.

[0019] 3. During use, this device is convenient for placing and clamping the locking nut, and can be placed at an angle adjusted according to needs, and can be automatically loaded and unloaded through the cooperation of a robotic arm.

[0020] 4. The detection machine drives the action rod to rotate, and the action rod drives the two sets of first synchronous wheels to rotate during the rotation. The two sets of first synchronous wheels drive the two sets of synchronous belts connected to the outer walls of the first synchronous wheels to rotate during the rotation. The synchronous belt drives the second synchronous wheel connected to it to rotate during the rotation. Since the end of the screw away from the detection machine body is fixedly connected to the fixed plate, the second synchronous wheel drives the screw to move back and forth during the rotation, so that the locking nut is tested for gauge through the detection head. After the locking nut eye inspection is completed, the qualified and unqualified locking nuts are screened by the robot and placed in different positions for the next step. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0022] In the attached figure:

[0023] Figure 1 This is a structural diagram of a locking nut screening and detection device of the utility model;

[0024] Figure 2 This is a right side view of a locking nut screening and detection device of the utility model;

[0025] Figure 3 It is a partial cross-sectional view of the fixing plate of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the turntable of the utility model;

[0027] Figure 5 This is the exploded view of the turntable of the utility model:

[0028] Figure 6 This is a schematic diagram of the second gear structure of the utility model:

[0029] Figure 7 This is a structural diagram of the limiting tooth plate of the utility model.

[0030] In the figure: 1. Detection machine body; 11. Action plate; 12. Action rod; 121. Detection head; 122. First synchronous wheel; 123. Synchronous belt; 2. Support rod; 21. Second synchronous wheel; 22. Screw; 23. Fixed plate; 231. First motor; 3. Turntable; 301. Limiting groove; 302. First gear; 303. Second motor; 31. Connecting column; 32. Ring gear; 33. Fixed frame; 34. Second gear; 35. Limiting gear plate; 36. Fixed support frame; 37. Placement plate; 371. Slide groove. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0032] The utility model aims to solve the problem that in the background technology, when the locking nut is currently tested with a stop gauge, it is necessary to manually place the locking nut on the stop gauge detection plate, and then start the detection machine to detect the nut. During the detection, it is necessary to manually push the stop gauge detection plate to connect the locking nut with the detection head, which leads to low work efficiency during the nut detection. Figure 1-Figure 7The utility model discloses a locking nut screening and detection device, including a detection machine body 1, the outer wall of the detection machine body 1 is connected to an action plate 11, support rods 2 are provided on both sides of the top of the action plate 11, the top of the support rod 2 is rotatably connected to a screw 22, and the end of the screw 22 away from the support rod 2 is connected to a fixed plate 23, and the inner cavity of the two groups of fixed plates 23 is provided with a storage mechanism, the storage mechanism includes a placement plate 37 for placing nuts and a limit clamping mechanism, the limit clamping mechanism includes at least two groups, the limit clamping mechanism includes a nut clamping part and an anti-slip part, a first motor 231 is provided in the inner cavity of the outer wall of the fixed plate 23, the power output end of the first motor 231 is connected to the connecting column 31, the clamping part includes a fixing frame 33 slidably connected to the inner cavity of the turntable 3, and the bottom of the fixing frame 33 is meshedly connected with a second gear 34. The inner wall of the turntable 3 is evenly provided with a fixed support frame 36. The second gear 34 is rotatably connected to the inner cavity of the fixed support frame 36. The anti-slip part includes a limiting tooth plate 35 slidably connected to the inner cavity of the turntable 3. The top of the limiting tooth plate 35 is meshed with the bottom of the second gear 34. A sliding groove 371 is carved on the top of the placement plate 37. The limiting tooth plate 35 is slidably connected in the sliding groove 371. The inner wall of the turntable 3 is evenly rotated with the first gear 302. The inner cavity of the turntable 3 is connected to the second motor 303 by bolts. The top of the second motor 303 is connected to any group of first gears 302. The first gear 302 is meshed with the limiting tooth plate 35. A limiting groove 301 is carved in the inner cavity of the turntable 3. The inner cavity of the limiting groove 301 is rotatably provided with a gear ring 32. The outer wall of the first gear 302 is evenly meshed with the gear ring 32.

[0033] In actual use, first start the first motor 231 to drive the connecting column 31 to rotate ninety degrees. During the rotation, the connecting column 31 drives the turntable 3 to rotate ninety degrees, so that the placement disk 37 inside the turntable 3 is parallel and upward. Then, by starting the second motor 303, the second motor 303 drives the first gear 302 to rotate during the rotation. During the rotation of the first gear 302, the ring gear 32 rotates. The rotation of the ring gear 32 drives the first gear 302 distributed on the turntable 3 to rotate. During the rotation, multiple groups of first gears 302 drive multiple groups of limiting gear plates 35 to move toward the inner cavity of the placement disk 37. The robotic arm clamps the locking nut and places it on the placement disk 37. When the limiting gear plate 35 moves, the tooth block on the top of the limiting gear plate 35 drives the fixing frame 33 to move in the opposite direction, so that the fixing frame 33 moves to the outside of the placement disk 37. The plate 35 is located in the inner cavity of the placement disk 37, blocking the locking nut while supporting the placement disk 37. At this time, the second motor 303 rotates in the opposite direction. During the reverse rotation of the second motor 303, the first gear 302 is driven to move in the opposite direction. During the reverse movement of the first gear 302, the gear ring 32 is driven to rotate. During the rotation, the gear ring 32 drives multiple groups of first gears 302 to rotate, and the first gear 302 drives the limiting tooth plate 35 to move toward the outer wall of the placement disk 37. When the limiting tooth plate 35 moves toward the outer wall of the placement disk 37, the teeth of the limiting tooth plate 35 drive the fixing frame 33 to move toward the inner cavity of the placement disk 37, thereby clamping and fixing the locking nut, and then rotating the first motor 231 to drive the connecting column 31 to reset, so that it can be inspected and screened by the detection machine.

[0034] It should be noted that the first motor 231 is a stepper motor, which is used to rotate the connecting column 31 to a fixed angle. The side of the fixing plate 3 close to the placement disk 3 is arc-shaped, and an anti-slip pad can be set inside as needed. The anti-slip pad is a common technology and is not shown in the figure, so it will not be described here.

[0035] Furthermore, the outer wall of the support rod 2 is rotatably connected to the second synchronous wheel 21, the inner cavity of the second synchronous wheel 21 is screwed to the screw 22, and the outer wall of the detection machine body 1 is provided with an action rod 12, and the outer wall of the action rod 12 is provided with two groups of first synchronous wheels 122, and the two groups of first synchronous wheels 122 and the second synchronous wheels 21 on both sides are respectively connected with synchronous belts 123, and one end of the action rod 12 is connected to the detection head 121 of the detection machine body 1.

[0036] The detection machine drives the action rod 12 to rotate, and the action rod 12 drives the two sets of first synchronous wheels 122 to rotate during the rotation. The two sets of first synchronous wheels 122 drive the two sets of synchronous belts 123 connected to the outer side walls of the first synchronous wheels 122 to rotate during the rotation. The synchronous belt 123 drives the second synchronous wheel 21 connected to it to rotate during the rotation. Since the end of the screw 22 away from the detection machine body 1 is fixedly connected to the fixed plate 23, the second synchronous wheel 21 drives the screw 22 to move back and forth during the rotation, so that the locking nut is tested for gauge by the detection head 121. After the locking nut eye inspection is completed, the qualified and unqualified locking nuts are screened by the robot and placed in different positions for the next step.

[0037] It should be noted that the detection machine body 1 is a common nut stop gauge detection machine on the market, and the detection head 121 is clamped on the action rod 12 and can be replaced according to needs in actual use.

Claims

1. A locking nut screening and detection device, comprising a detection machine body (1), characterized in that: The outer side wall of the detector body (1) is connected to an action plate (11), support rods (2) are provided on both sides of the top of the action plate (11), the top of the support rod (2) is rotatably connected to a screw rod (22), and one end of the screw rod (22) away from the support rod (2) is connected to a fixed plate (23), and the inner cavities of the two groups of the fixed plates (23) are provided with a storage mechanism; The storage mechanism includes a placement plate (37) for placing nuts and a position-limiting clamping mechanism, wherein the position-limiting clamping mechanism includes at least two groups, and the position-limiting clamping mechanism includes a nut clamping member and an anti-slip member. When the clamping member moves along the placement plate (37), the anti-slip clamp moves in the opposite direction along the placement plate (37).

2. The locking nut screening and detection device according to claim 1, characterized in that: The outer wall of the support rod (2) is rotatably connected to a second synchronous wheel (21), the inner cavity of the second synchronous wheel (21) is screwed to a screw rod (22), the outer wall of the detection machine body (1) is provided with an action rod (12), the outer wall of the action rod (12) is provided with two groups of first synchronous wheels (122), and the two groups of first synchronous wheels (122) and the second synchronous wheels (21) on both sides are respectively connected with a synchronous belt (123), and one end of the action rod (12) is connected to a detection head (121) on the principle of the detection machine body (1).

3. The locking nut screening and detection device according to claim 2, characterized in that: The storage mechanism comprises a turntable (3) fixedly connected between two groups of fixed plates (23), and connecting columns (31) are fixedly provided on both the left and right sides of the turntable (3), and the two groups of connecting columns (31) are rotatably connected to the outer side walls of the two groups of fixed plates (23) at one end away from the turntable (3).

4. The locking nut screening and detection device according to claim 3, characterized in that: A first motor (231) is provided in the inner cavity of the outer wall of the fixing plate (23), and a power output end of the first motor (231) is connected to the connecting column (31).

5. The locking nut screening and detection device according to claim 3, characterized in that: The clamping member comprises a fixing frame (33) slidably connected to the inner cavity of the turntable (3), and the bottom of the fixing frame (33) is meshedly connected with a second gear (34).

6. The locking nut screening and detection device according to claim 5, characterized in that: The inner side wall of the turntable (3) is evenly provided with a fixed support frame (36), and the second gear (34) is rotatably connected to the inner cavity of the fixed support frame (36).

7. The locking nut screening and detection device according to claim 5, characterized in that: The anti-slip member comprises a position-limiting tooth plate (35) slidably connected to the inner cavity of the turntable (3), and the top of the position-limiting tooth plate (35) is meshed with the bottom of the second gear (34).

8. The locking nut screening and detection device according to claim 7, characterized in that: A sliding groove (371) is cut on the top of the placement plate (37), and the limiting tooth plate (35) is slidably connected in the sliding groove (371).

9. The locking nut screening and detection device according to claim 7, characterized in that: The inner side wall of the turntable (3) is provided with a first gear (302) that rotates evenly, and the inner cavity of the turntable (3) is connected to a second motor (303) via bolts, and the top of the second motor (303) is connected to any group of first gears (302), and the first gears (302) are meshed with a limiting tooth plate (35).

10. The locking nut screening and detection device according to claim 9, characterized in that: The inner cavity of the rotating disk (3) is provided with a limiting groove (301), the inner cavity of the limiting groove (301) is rotatably provided with a gear ring (32), and the outer wall of the first gear (302) is evenly meshed with the gear ring (32).