A defect detection device for nuts

By designing a triangular plate and guide plate structure, combined with cylinder and motor drive, the problem of cumbersome nut inspection operation in the existing technology is solved, realizing the rapid placement and fixing of nuts, and improving inspection efficiency and accuracy.

CN116773162BActive Publication Date: 2026-01-30ZHEJIANG SAIRI ELECTRICAL TECH
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Patent Information

Application Number
CN202310687390.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-12
Publication Date
2026-01-30
Estimated Expiration
2043-06-12

AI Technical Summary

Technical Problem

Existing nut defect detection devices are cumbersome to operate, resulting in low efficiency when conducting large-scale inspections.

Method used

The system employs a triangular plate and guide plate structure, combined with a cylinder and motor drive, to achieve rapid placement and fixing of nuts. It also uses a detachable go/no-go gauge for inspection, improving inspection accuracy.

Benefits of technology

It simplifies the placement and fixing process of nuts, and improves the efficiency and accuracy of large-scale testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application provides a defect detection device for nuts, including a detection table and a support rod fixedly connected to the top wall of the detection table. Two sets of support rods are symmetrically arranged about the central axis of the detection table. The device also includes: a placement assembly comprising a placement plate rotatably connected to the top wall of the detection table; uniformly distributed placement grooves on the top wall of the placement plate; triangular plates slidably connected to the inner wall of the placement grooves; two sets of triangular plates symmetrically arranged about the central axis of the placement grooves; a first reset rod fixedly connected to the side wall of the triangular plates; two sets of first reset rods symmetrically arranged about the triangular plates; and a lifting component connected to the inner wall of the placement grooves; a detection component connected to the outer wall of the support rods; and a rotating component connected to the top wall of the detection table. Through the cooperation of a first guide plate and a second guide plate with the triangular plates, the device facilitates rapid placement and removal of nuts, which is beneficial for large-scale nut detection and thus improves detection efficiency.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of nut detection devices, in particular to a defect detection device for nuts. BACKGROUND

[0002] The nut is a nut, which is screwed together with a bolt or a screw rod to serve as a part for fastening, and is a component that must be used in all mechanical production and manufacturing. According to the different materials, it is divided into several types such as carbon steel, stainless steel, non-ferrous metal (such as copper), etc. After the production of the nut is completed, the thread of the nut needs to be detected to detect whether the nut has defects, so a defect detection device for the nut is needed.

[0003] After searching, the patent with the Chinese patent application number CN202220873361.7 discloses a defect detection device for nuts, which comprises a base, a vertical plate is fixedly arranged at the top of one side of the base, a vertical rod is fixedly arranged at the top of the base, a rotating disc one is rotatably arranged on the vertical rod, a plurality of grooves are arranged in the top of the rotating disc one in an annular array, a nut fixing seat is fixedly arranged in each groove, a horizontal plate is slidably arranged on the side of the vertical plate close to the vertical rod, a support is fixedly arranged at the bottom of the horizontal plate, a rotating shaft one is rotatably arranged between the supports, a motor one is fixedly arranged at the lower part of the side of the support close to the vertical plate, the output end of the motor one is fixedly connected with the adjacent rotating shaft one, a plurality of air cylinders one are fixedly arranged on the vertical rod, and a push plate one is fixedly connected with the output end of each air cylinder one.

[0004] The above patent has the following disadvantages: when detecting the nut, the nut needs to be placed in the corresponding nut fixing seat first, then placed in the groove, and then fixed by the locking nut on the nut fixing seat. The operation steps are relatively cumbersome, and when a large number of nuts are detected, it is not convenient to quickly place and fix the nuts, thereby reducing the detection efficiency.

[0005] Therefore, a defect detection device for nuts is needed to solve the above problems. SUMMARY

[0006] The purpose of the present application is to solve the problem that when detecting the nut, the nut needs to be placed in the corresponding nut fixing seat first, then placed in the groove, and then fixed by the locking nut on the nut fixing seat. The operation steps are relatively cumbersome, and when a large number of nuts are detected, it is not convenient to quickly place and fix the nuts, thereby reducing the detection efficiency.

[0007] In order to achieve the above-mentioned purpose of the application, the following technical solutions are provided:

[0008] A defect detection device for nuts is provided to improve the above-mentioned problems.

[0009] The application is specifically as follows:

[0010] A defect detection device for nuts, comprising a detection table and a support rod fixedly connected to the top wall of the detection table, the support rod is symmetrically provided with two groups about the central axis of the detection table, further comprising:

[0011] A placing assembly, comprising a placing plate rotatably connected to the top wall of the detection table, the top wall of the placing plate is provided with uniformly distributed placing grooves, the inner wall of the placing groove is slidably connected with a triangular plate, the triangular plate is symmetrically provided with two groups about the central axis of the placing groove, the side wall of the triangular plate is fixedly connected with a first reset rod, the first reset rod is symmetrically provided with two groups about the triangular plate, and the inner wall of the placing groove is connected with a jacking component;

[0012] A detection component connected to the outer wall of the support rod;

[0013] A rotating component connected to the top wall of the detection table.

[0014] As a preferred technical solution of the application, the outer wall of the first reset rod is sleeved with a first spring, and the two ends of the first spring are fixedly connected with the placing groove and the triangular plate, respectively.

[0015] As a preferred technical solution of the application, the jacking component comprises a first air cylinder fixedly connected to the top wall of the placing groove, the output end of the first air cylinder is fixedly connected with a jacking block, the outer wall of the jacking block is fixedly connected with a connecting plate, and the connecting plate is symmetrically provided with two groups about the jacking block.

[0016] As a preferred technical solution of the application, the side wall of the connecting plate is fixedly connected with a first guide plate, and the first guide plate cooperates with the triangular plate.

[0017] As a preferred technical solution of the application, the top wall of the placing plate is fixedly connected with a fixed block, the fixed block is symmetrically provided with two groups about the placing groove, the top wall of the placing groove is slidably connected with a second guide plate, the side wall of the second guide plate is fixedly connected with a pressing block, the bottom wall of the pressing block is fixedly connected with a second reset rod, the second reset rod is slidably connected to the inner wall of the fixed block, the outer wall of the second reset rod is sleeved with a second spring, and the two ends of the second spring are fixedly connected with the fixed block and the pressing block, respectively.

[0018] As a preferred technical solution of the application, the detection component comprises a detection plate fixedly connected to the top wall of the support rod, the two groups of support rods are connected through the detection plate, the bottom wall of the detection plate is rotatably connected with a drive screw, the outer wall of the drive screw is threadedly connected with a moving plate, and the moving plate is slidably connected with the support rod.

[0019] As a preferred technical scheme of the present application, the inner wall of the moving plate is rotationally connected with a driving rod, the outer wall of the driving rod is fixedly connected with a first gear, one end of the driving rod penetrating through the moving plate is connected with a go-no-go gauge, the top wall of the go-no-go gauge is fixedly connected with a mounting plate, the bottom wall of the mounting plate is threadedly connected with bolts, the bolts are uniformly distributed in two to five groups along the bottom wall of the mounting plate, the bolts are matched with the driving rod, the top wall of the moving plate is fixedly connected with a first driving motor, the output end of the first driving motor is fixedly connected with a second gear, and the first gear is meshingly connected with the second gear.

[0020] As a preferred technical scheme of the present application, the rotating part comprises a second driving motor fixedly connected to the top wall of the detection table, the output end of the second driving motor is fixedly connected with a third gear, and the outer wall of the placing plate is fixedly connected with uniformly distributed teeth.

[0021] As a preferred technical scheme of the present application, the top wall of the detection table is fixedly connected with a bracket, and the side wall of the bracket is fixedly connected with a second air cylinder.

[0022] As a preferred technical scheme of the present application, the output end of the second air cylinder is fixedly connected with a pressing plate, and the pressing plate is matched with the second guide plate.

[0023] In the scheme of the present application:

[0024] 1. By matching the first guide plate, the second guide plate and the triangular plate, the placement and taking of the nut are quickly realized, which is beneficial to the detection of a large number of nuts, thereby improving the detection efficiency, and solving the problem of low detection efficiency caused by the complicated operation steps and the inconvenience of quickly placing and fixing the nut when a large number of nuts are detected in the prior art, i.e., the nut needs to be first placed into the corresponding nut fixing seat, then into the groove, and then fixed by the locking nut;

[0025] 2. By arranging the go-no-go gauge installed on the driving rod through the bolts, the go-no-go gauge can be disassembled through the bolts when it needs to be replaced, so that the size of the go-no-go gauge can be replaced, thereby improving the detection accuracy and practicality. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is an overall structure schematic view of a defect detection device for nuts provided by the present application;

[0027] Figure 2 It is an overall structure schematic view of a defect detection device for nuts provided by the present application;

[0028] Figure 3Part structure schematic view of a detection component of a nut defect detection device provided in the present application;

[0029] Figure 4 Part structure schematic view of a detection component of a nut defect detection device provided in the present application;

[0030] Figure 5 Part structure schematic view of a lifting component of a nut defect detection device provided in the present application;

[0031] Figure 6 Part structure schematic view of a lifting component of a nut defect detection device provided in the present application;

[0032] Figure 7 Part structure schematic view of a lifting component of a nut defect detection device provided in the present application.

[0033] As shown in the figure, 100, detection table; 101, support rod; 110, placement plate; 111, placement groove; 112, triangular plate; 113, first reset rod; 114, first spring; 115, first air cylinder; 116, lifting block; 117, connecting plate; 118, first guide plate; 120, fixed block; 121, second guide plate; 122, pressing block; 123, second reset rod; 124, second spring; 130, detection plate; 131, drive screw; 132, moving plate; 133, drive rod; 134, first gear; 135, through-and-stop gauge; 136, mounting plate; 137, bolt; 138, first drive motor; 139, second gear; 140, second drive motor; 141, third gear; 142, gear teeth; 150, bracket; 151, second air cylinder; 152, pressing plate. DETAILED DESCRIPTION

[0034] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0035] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed present application, but only represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present application.

[0036] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0037] It should be noted that similar reference numerals and letters refer to like items throughout the accompanying drawings, and once an item is defined in one drawing, it is not necessary to further define and explain it in subsequent drawings.

[0038] In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, such terms are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0039] As shown in Figures 1-4 The embodiment provides a defect detection device for nuts, which comprises a detection table 100 and a support rod 101 fixedly connected to the top wall of the detection table 100, the support rod 101 is symmetrically provided with two groups about the central axis of the detection table 100, and further comprises:

[0040] A placing assembly, the placing assembly comprises a placing plate 110 rotatably connected to the top wall of the detection table 100, the top wall of the placing plate 110 is provided with uniformly distributed placing grooves 111, the inner wall of the placing groove 111 is slidably connected with triangular plates 112, the triangular plates 112 are symmetrically provided with two groups about the central axis of the placing groove 111, the side wall of the triangular plate 112 is fixedly connected with first reset rods 113, the first reset rods 113 are symmetrically provided with two groups about the triangular plate 112, and the inner wall of the placing groove 111 is connected with a lifting component;

[0041] A detection component connected to the outer wall of the support rod 101;

[0042] A rotating component connected to the top wall of the detection table 100, the triangular plate 112 is arranged to facilitate clamping and fixing of the nut, so as to facilitate adaptation to nuts of different sizes and improve practicability.

[0043] As shown in Figures 1-4 As a preferred embodiment, on the basis of the above-mentioned mode, further, the outer wall of the first reset rod 113 is sleeved with a first spring 114, and the two ends of the first spring 114 are fixedly connected with the placing groove 111 and the triangular plate 112 respectively, the first spring 114 is arranged to facilitate resetting of the triangular plate 112, thereby fixing the nut, and facilitating use.

[0044] As shown in Figures 1-3As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the jacking component comprises a first air cylinder 115 fixedly connected to the top wall of the placing groove 111, and a jacking block 116 fixedly connected to the output end of the first air cylinder 115, and a connecting plate 117 fixedly connected to the outer wall of the jacking block 116. Two groups of the connecting plate 117 are symmetrically arranged about the jacking block 116. By arranging the first air cylinder 115, the jacking block 116 can be driven to move upward, so that the detected nut is jacked out of the placing groove 111, and is convenient to take.

[0045] As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the jacking component comprises a first air cylinder 115 fixedly connected to the top wall of the placing groove 111, and a jacking block 116 fixedly connected to the output end of the first air cylinder 115, and a connecting plate 117 fixedly connected to the outer wall of the jacking block 116. Two groups of the connecting plate 117 are symmetrically arranged about the jacking block 116. By arranging the first air cylinder 115, the jacking block 116 can be driven to move upward, so that the detected nut is jacked out of the placing groove 111, and is convenient to take. Figures 1-7

[0046] As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the jacking component comprises a first air cylinder 115 fixedly connected to the top wall of the placing groove 111, and a jacking block 116 fixedly connected to the output end of the first air cylinder 115, and a connecting plate 117 fixedly connected to the outer wall of the jacking block 116. Two groups of the connecting plate 117 are symmetrically arranged about the jacking block 116. By arranging the first air cylinder 115, the jacking block 116 can be driven to move upward, so that the detected nut is jacked out of the placing groove 111, and is convenient to take. Figures 1-6

[0047] As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the jacking component comprises a first air cylinder 115 fixedly connected to the top wall of the placing groove 111, and a jacking block 116 fixedly connected to the output end of the first air cylinder 115, and a connecting plate 117 fixedly connected to the outer wall of the jacking block 116. Two groups of the connecting plate 117 are symmetrically arranged about the jacking block 116. By arranging the first air cylinder 115, the jacking block 116 can be driven to move upward, so that the detected nut is jacked out of the placing groove 111, and is convenient to take. Figures 1-3

[0048] As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the jacking component comprises a first air cylinder 115 fixedly connected to the top wall of the placing groove 111, and a jacking block 116 fixedly connected to the output end of the first air cylinder 115, and a connecting plate 117 fixedly connected to the outer wall of the jacking block 116. Two groups of the connecting plate 117 are symmetrically arranged about the jacking block 116. By arranging the first air cylinder 115, the jacking block 116 can be driven to move upward, so that the detected nut is jacked out of the placing groove 111, and is convenient to take. Figures 1-4 ​​​As shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, the inner wall of the moving plate 132 is rotatably connected with the driving rod 133, the outer wall of the driving rod 133 is fixedly connected with the first gear 134, one end of the driving rod 133 penetrating through the moving plate 132 is connected with the through-stop gauge 135, the top wall of the through-stop gauge 135 is fixedly connected with the mounting plate 136, the bottom wall of the mounting plate 136 is threadedly connected with the bolt 137, the bolt 137 is uniformly distributed with two to five groups along the bottom wall of the mounting plate 136, the bolt 137 cooperates with the driving rod 133, the top wall of the moving plate 132 is fixedly connected with the first driving motor 138, the output end of the first driving motor 138 is fixedly connected with the second gear 139, the first gear 134 is meshingly connected with the second gear 139, the first driving motor 138 drives the through-stop gauge 135 to rotate through the first gear 134 and the second gear 139, so that the threads in the nut are detected.

[0049] As shown in the Figures 1-5 preferred embodiment, on the basis of the above-mentioned manner, further, the rotating part comprises the second driving motor 140 fixedly connected to the top wall of the detection table 100, the output end of the second driving motor 140 is fixedly connected with the third gear 141, the outer wall of the placing plate 110 is fixedly connected with the uniformly distributed teeth 142, the third gear 141 is meshingly connected with the teeth 142, the movement of the placing groove 111 is realized through the cooperation of the third gear 141 and the teeth 142, so as to improve the efficiency of the nut detection.

[0050] As shown in the Figures 1-2 preferred embodiment, on the basis of the above-mentioned manner, further, the top wall of the detection table 100 is fixedly connected with the bracket 150, the side wall of the bracket 150 is fixedly connected with the second air cylinder 151, the second air cylinder 151 is supported through the bracket 150.

[0051] As shown in the Figures 1-3 preferred embodiment, on the basis of the above-mentioned manner, further, the output end of the second air cylinder 151 is fixedly connected with the pressing plate 152, the pressing plate 152 cooperates with the second guide plate 121, the pressing plate 152 drives the triangular plate 112 to move to both sides, so as to realize the rapid placement of the nut.

[0052] Specifically, the nut defect detection device in use: first, by starting the second cylinder 151, by the second cylinder 151 drive pressure plate 152 downward movement, by the second guide plate 121 driven by the pressure plate 152 downward movement, by both sides of the second guide plate 121 extrusion triangle plate 112, thereby driving the triangle plate 112 to both sides of the movement, then put the nut into the placement slot 111, then retract the second cylinder 151 thereby driving the pressure plate 152 away from the second guide plate 121, under the action of the second reset lever 123 and the second spring 124 by pressing block 122 on the second guide plate 121 reset, thereby eliminating the extrusion of the triangle plate 112, the triangle plate 112 in the first reset lever 113 and the first spring 114 under the action of the nut clamping and fixing, then start the second drive motor 140, by the second drive motor 140 and gear 142 meshing thereby driving the placement plate 110 rotation, then repeat the above steps to put the nut into the placement slot 111, when the placement slot 111 moves to the go-no-go gauge 135 below, by starting the drive screw 131 drive moving plate 132 downward movement, while starting the first drive motor 138 drive first gear 134 rotation, by the first gear 134 drive the second gear 139 rotation, thereby driving the drive rod 133 rotation, by the drive rod 133 drive go-no-go gauge 135 rotation, thereby completing the detection of the nut, when the detection is completed, by continuing to drive the placement plate 110 rotation, thereby detecting the next nut, then start the first cylinder 115, by the first cylinder 115 drive the jacking block 116 upward movement, when the jacking block 116 upward movement, by the connecting plate 117 drive the first guide plate 118 extrusion triangle plate 112, thereby eliminating the limit of the nut, thereby ejecting the detected nut, then take out the nut, according to the detection result to distinguish whether the nut has defects, when the size of the nut is different, the go-no-go gauge 135 needs to be replaced, by loosening the bolt 137 thereby disassembling the go-no-go gauge 135 from the drive rod 133, thereby facilitating the adaptability.

[0053] The above examples are only used to illustrate the present application and not to limit the technical solutions described in the present application. Although the present application has been described in detail with reference to the above embodiments, the present application is not limited to the above specific embodiments. Therefore, any modification or equivalent replacement of the present application; and all technical solutions and improvements without departing from the spirit and scope of the application, are all included in the scope of the claims of the present application.

Claims

1. A defect detection device for nuts, comprising a detection table (100) and a support rod (101) fixedly connected to the top wall of the detection table (100), characterized in that, The support rod (101) is symmetrically provided with two groups about the central axis of the detection table (100), and further comprises: The placing assembly comprises a placing plate (110) rotatably connected to the top wall of the detection table (100), the top wall of the placing plate (110) is provided with uniformly distributed placing grooves (111), the inner wall of the placing groove (111) is slidably connected with a triangular plate (112), the triangular plate (112) is symmetrically provided with two groups about the central axis of the placing groove (111), the side wall of the triangular plate (112) is fixedly connected with a first reset rod (113), the first reset rod (113) is symmetrically provided with two groups about the triangular plate (112), and the inner wall of the placing groove (111) is connected with a jacking component; The outer wall of the first reset rod (113) is sleeved with a first spring (114), and the two ends of the first spring (114) are fixedly connected with the placing groove (111) and the triangular plate (112) respectively; The jacking component comprises a first air cylinder (115) fixedly connected to the top wall of the placing groove (111), the output end of the first air cylinder (115) is fixedly connected with a jacking block (116), the outer wall of the jacking block (116) is fixedly connected with a connecting plate (117), and the connecting plate (117) is symmetrically provided with two groups about the jacking block (116); The side wall of the connecting plate (117) is fixedly connected with a first guide plate (118), and the first guide plate (118) is matched with the triangular plate (112); The top wall of the placing plate (110) is fixedly connected with a fixed block (120), the fixed block (120) is symmetrically provided with two groups about the placing groove (111), the top wall of the placing groove (111) is slidably connected with a second guide plate (121), the side wall of the second guide plate (121) is fixedly connected with a pressing block (122), the bottom wall of the pressing block (122) is fixedly connected with a second reset rod (123), the second reset rod (123) is slidably connected to the inner wall of the fixed block (120), the outer wall of the second reset rod (123) is sleeved with a second spring (124), and the two ends of the second spring (124) are fixedly connected with the fixed block (120) and the pressing block (122) respectively; The detection component is connected to the outer wall of the support rod (101); The rotating component is connected to the top wall of the detection table (100).

2. A defect detection apparatus for nuts as claimed in claim 1, wherein, The detection component comprises a detection plate (130) fixedly connected to the top wall of the support rod (101), the two groups of support rods (101) are connected through the detection plate (130), the bottom wall of the detection plate (130) is rotatably connected with a drive screw (131), the outer wall of the drive screw (131) is threadedly connected with a moving plate (132), and the moving plate (132) is slidably connected with the support rod (101).

3. A defect detection apparatus for nuts as claimed in claim 2, wherein, The inner wall of the moving plate (132) is rotationally connected with a drive rod (133), the outer wall of the drive rod (133) is fixedly connected with a first gear (134), one end of the drive rod (133) penetrating through the moving plate (132) is connected with a through-stop gauge (135), the top wall of the through-stop gauge (135) is fixedly connected with a mounting plate (136), the bottom wall of the mounting plate (136) is threadedly connected with bolts (137), the bolts (137) are evenly distributed in two to five groups along the bottom wall of the mounting plate (136), the bolts (137) are matched with the drive rod (133), the top wall of the moving plate (132) is fixedly connected with a first drive motor (138), the output end of the first drive motor (138) is fixedly connected with a second gear (139), and the first gear (134) is meshingly connected with the second gear (139).

4. The defect detection apparatus for nuts as claimed in claim 1, wherein The rotating part comprises a second drive motor (140) fixedly connected to the top wall of the detection table (100), an output end of the second drive motor (140) is fixedly connected with a third gear (141), and the outer wall of the placing plate (110) is fixedly connected with evenly distributed teeth (142), and the third gear (141) is meshingly connected with the teeth (142).

5. A defect detection apparatus for nuts as claimed in claim 4, wherein, The top wall of the detection table (100) is fixedly connected with a bracket (150), and the side wall of the bracket (150) is fixedly connected with a second air cylinder (151).

6. A defect detection apparatus for nuts as claimed in claim 5 wherein, The output end of the second air cylinder (151) is fixedly connected with a pressing plate (152), and the pressing plate (152) is matched with the second guide plate (121).

Citation Information

Patent Citations

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