Automobile shock absorber cap defect detection device

By using a displacement device and a three-dimensional line laser scanner in the automotive shock absorber cap inspection device, multi-angle scanning analysis is achieved, solving the problems of low inspection efficiency and missed detection in existing inspection devices, improving inspection quality and efficiency, and distinguishing good products from defective products through marking structures.

CN223910775UActive Publication Date: 2026-02-13JIANGSU NEW TECH GRP CO LTD
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Patent Information

Application Number
CN202520418460.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-13
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing automotive shock absorber cap defect detection devices cannot perform multi-angle, all-round detection, resulting in low detection efficiency and a high risk of missed detections.

Method used

By employing a displacement device and a three-dimensional line laser scanner that are perpendicularly connected, the system can perform multi-angle scanning analysis to inspect the inner surface of the product. The system can then determine whether there are any defects and leave a mark on products that are free of defects.

Benefits of technology

It enables rapid defect detection of multiple products, improves the quality and efficiency of inspection, and clearly distinguishes between good and defective products through the marking structure, reducing missed detections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile shock absorber cap defect detection device which comprises a bottom plate, a first displacement device, a second displacement device, a supporting plate, a detector, a rack, a conveying belt, a driving device, a limiting piece, a support, a lifting device and a marking structure. The first displacement device and the rack are connected to the top face of the bottom plate in parallel, the second displacement device is perpendicular to the rack and connected to a sliding block of the first displacement device, the two ends of the supporting plate are connected with a sliding block of the second displacement device and the detector respectively, the conveying belt and the limiting piece are connected to the inner side and the top face of the rack respectively, and the driving device and the support are connected to the side edge of the rack. The lifting device and the marking structure are connected to one side of the bracket; compared with the prior art, the position of the detector is changed through the displacement device, the bottom contour conditions of a plurality of conveyed products are analyzed and detected, the products passing the detection are placed on the conveying belt to be marked and conveyed to the next process, rapid detection of the plurality of products at a time is achieved, and the product detection quality and efficiency are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to automobile shock absorber detection technical field, especially a kind of automobile shock absorber cap defect detection device. BACKGROUND

[0002] The cap of automobile shock absorber is the covering installed above the shock absorber of the front suspension system of vehicle, which plays the role of protection, sealing and providing additional cushioning in the automobile suspension system, ensures the normal operation and performance of shock absorber, and the cap can prevent dust, moisture, sundries and other external environment from entering the interior of shock absorber to protect the working elements and sealing elements of shock absorber from being damaged, thereby prolonging the service life of shock absorber, in addition, the cap forms a sealed space by tightly connecting the shock absorber cylinder, prevents the leakage of shock absorber internal liquid from causing the decline of shock-absorbing effect, and helps to maintain the performance stability of shock absorber, therefore, in the production process of automobile shock absorber cap, it is necessary to detect whether the cap has defects to ensure the production quality of cap.

[0003] In the existing automobile shock absorber cap defect detection device, a scanning device or a camera is usually used to detect defects of a single cap, and the bottom profile of the cap cannot be detected in multiple angles and in all directions, which has limitations in detection and may miss defects in cap defect detection, and the efficiency of defect detection is low. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem to provide a kind of automobile shock absorber cap defect detection device, by using the position of the positioner of the displacement device connected with each other vertically is transformed, the inside surface condition of multiple products transmitted is scanned and analyzed one by one, whether there is defect is judged and the product category is analyzed and judged by system, the product that detects through is marked as good product and is transmitted to next process by being placed on the conveying belt, realize the rapid defect detection of multiple products once, improve the quality and efficiency of product production and detection.

[0005] The utility model realizes the following technical scheme:

[0006] A kind of automobile shock absorber cap defect detection device, including bottom plate, still including rack, rack is connected on the top surface of bottom plate, parallel connection has displacement device one on the top surface of the side edge of rack, displacement device two is connected on the output end of displacement device one in horizontal direction perpendicular to displacement device one, displacement device two is connected on the output end of displacement device two, and the top surface of tray is connected with detector, the inner side top of rack is connected with conveying belt, the top surface both ends of rack are connected with limiting piece, the top side of rack is connected with driving device and support, the side surface of support is connected with lifting device, the side surface of lifting device is connected with marking structure, and the end of rack away from displacement device two is connected with discharge port.

[0007] Further, the displacement device one and the displacement device two are electric screw rod slide table modules, one end bottom of the displacement device two is connected to the slider top surface of the displacement device one, the main body part of the displacement device two faces the direction of the rack, when the slider of the displacement device one slides to the end close to the rack, the displacement device two is close to the bottom support rod of the rack.

[0008] Further, one end bottom of the supporting plate is connected to the slider top surface of the displacement device two, the other end faces the reverse position of the rack, the vertical distance between the top surface of the supporting plate and the top surface of the bottom plate is less than the vertical distance between the top bottom surface of the rack and the top surface of the bottom plate.

[0009] Further, the detector is a three-dimensional line laser scanner, the detector is connected to the top surface of the supporting plate far from the rack in parallel to the displacement device two.

[0010] Further, the driving device is a motor, the rotating shaft of the driving device is connected with the input shaft of the transmission belt.

[0011] Further, the limiting piece is two symmetrical right-angled trapezoidal blocks, the oblique edges of the limiting piece are opposite, the right-angled edges opposite to the oblique edges are parallel to the side edges of the rack, the narrower end of the limiting piece faces the direction of the detector, the distance between the narrower ends of the limiting piece is equal to the width of the transmission belt, and the distance between the wider ends of the limiting piece is greater than the diameter of the bottom surface of the product by 5-8 mm.

[0012] Further, the support is U-shaped and parallel to the detector, and the two ends of the support are connected to the top side surfaces of the rack where the wider ends of the limiting piece are located.

[0013] Further, the lifting device is a slide table air cylinder connected to the middle position of the side surface of the support opposite to the detector, and the marking structure is connected to the top surface of the output end of the lifting device; when the output end of the lifting device drops to the bottom end, the distance between the bottom surface of the marking structure and the top surface of the transmission belt is equal to the height of the product.

[0014] Further, the marking structure comprises a fixing piece, a marking pen and a buffer, the fixing piece is connected with two vertical limiting grooves, the central axis distance between the two vertical limiting grooves is equal to the top surface radius of the product, and the buffer and the marking pen are respectively connected to the limiting grooves close to the center line of the transmission belt and the limiting grooves on the side.

[0015] Compared with the prior art, the utility model has the following obvious advantages:

[0016] Firstly, the utility model drives the detector to change position by using the displacement device connected perpendicularly, can realize one-time multi-angle scanning analysis and detection of the bottom profile of multiple products transmitted, judges whether there is a gap or irregular shape on the bottom of the product through the system, realizes one-time rapid defect detection of multiple products, and can more effectively improve the quality and efficiency of product production and detection.

[0017] Second, the utility model discloses a detector is three -dimensional line laser scanner, compared with ordinary camera detection, can realize more accurate and fast image data collection, distinguish whether the product exists the defect and the appearance difference of product, improve the efficiency and accuracy of product defect detection, exclude the situation of the product detection defect that exists defect.

[0018] Third, the utility model discloses since the product without defect detected will be lowered on the transmission belt and is transported, the limiting piece connected at the top of the frame will gradually limit the position of the product in the middle of the transmission belt in the process of product transmission, when the product is transported to approach the end of limiting piece, the lifting device drives the marking structure to descend to the top of product, leaves the mark on the top surface of product, indicates that the product is good product, and the operator is convenient to distinguish and identify the product and the implementation of subsequent process. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is product's structural schematic diagram;

[0020] Figure 2 It is right view structural schematic diagram of the utility model;

[0021] Figure 3 It is front view structural schematic diagram of the utility model;

[0022] Figure 4 It is overhead structural schematic diagram of the utility model.

[0023] Among them, the relationship between the figure mark and the corresponding name is as follows:

[0024] 1, bottom plate, 2, displacement device one, 3, displacement device two, 4, supporting plate, 5, detector, 6, frame, 7, transmission belt, 8, driving device, 9, limiting piece, 10, support, 11, lifting device, 12, marking structure, 1201, fixed part, 1202, marking pen, 1203, buffer, 13, discharge port, 14, product. DETAILED DESCRIPTION

[0025] The utility model will be described in detail below in combination with the drawings.

[0026] For example, Figure 1 , Figure 2 , Figure 3 and Figure 4The utility model provides a kind of automobile shock absorber cap defect detection device, including bottom plate 1, displacement device one 2, displacement device two 3, supporting plate 4, detector 5, rack 6, conveying belt 7, driving device 8, limiting part 9, support 10, lifting device 11, marking structure 12, discharge port 13;In this embodiment, displacement device one 2 and displacement device two 3 are electric screw rod sliding table module, displacement device one 2 and rack 6 are connected on the top surface of bottom plate 1 in parallel, the bottom of one end of displacement device two 3 is connected on the top surface of sliding block of displacement device one 2, the main part of displacement device two 3 is perpendicular to the direction of displacement device one 2 towards rack 6, when the sliding block of displacement device one 2 slides to one end close to rack 6, the bottom support pole of displacement device two 3 close to rack 6;The top surface of one end of supporting plate 4 is connected on the top surface of sliding block of displacement device two 3, and the other end is towards reverse position of rack 6, the vertical distance between the top surface of supporting plate 4 and the top surface of bottom plate 1 is less than the vertical distance between the top of rack 6 and the top surface of bottom plate 1, detector 5 is three-dimensional line laser scanner, and detector 5 is connected on the top surface of one end of supporting plate 4 away from rack 6 in parallel with displacement device two 3.

[0027] Conveying belt 7 is connected in the inner top of rack 6, driving device 8 is motor, and is connected in the top side of rack 6, the rotating shaft of driving device 8 is connected with the input shaft of conveying belt 7, limiting part 9 is connected in the top surface of both ends of rack 6, limiting part 9 is two symmetrical right trapezoidal blocks, the hypotenuse of limiting part 9 is opposite, and the right angle opposite the hypotenuse is parallel with the side of rack 6, the narrower end of limiting part 9 is opposite detector 5, the interval of the narrower end of limiting part 9 is equal to the width of conveying belt 7, the interval of the wider end is greater than the diameter of the bottom surface of product 14 by five to eight millimeters, support 10 is U-shaped, and is parallel with the side opposite detector 5 and rack 6, the both ends of support 10 are connected on the top side of rack 6 in the wider end of limiting part 9, lifting device 11 is sliding table air cylinder, and is connected on the median position of the side opposite detector 5 of support 10, marking structure 12 is connected on the top surface of the output end of lifting device 11, marking structure 12 includes fixed part 1201, marking pen 1202 and buffer 1203, fixed part 1201 is connected with two vertical limiting grooves, the axial interval of two vertical limiting grooves is equal to the top surface radius of product 14, buffer 1203 and marking pen 1202 are connected on the limiting groove close to the center line of conveying belt 7 and the limiting groove on one side respectively, when the output end of lifting device 11 drops to the bottom end, the distance from the bottom surface of marking structure 12 to the top surface of conveying belt 7 is equal to the height of product 14, and discharge port 13 is connected in one end of rack 6 away from displacement device two 3.

[0028] The working principle of the utility model is as follows:

[0029] When working, the detection device is used with PLC controller.

[0030] The utility model discloses a vacuum chuck is used to the product 14 of four pieces of processing, and the product 14 is fixed on the vacuum chuck, and the vacuum chuck is moved to the starting end of the transmission belt 7, and the product 14 is scanned by the three-dimensional line laser scanner, and the image data of the product 14 is transmitted to the PLC controller, and the PLC controller judges whether the product 14 has the defect or not according to the image data, and the product 14 is identified as the defective product if the product 14 has the defect, and the defective product is loosened and falls into the product recovery position, and the product 14 is moved to the starting end of the transmission belt 7 after the detection, and the product 14 is placed on the top surface of the transmission belt 7, and the product 14 is transmitted to the discharge port 13 through the transmission belt 7.

[0031] The product 14 without defect is limited by the limiting piece 9 during the transmission, and is gradually pushed to the central axis of the transmission belt 7, and when the product 14 is transmitted to the position below the mark structure 12, the output end of the lifting device 11 is pushed out, drives the mark structure 12 to descend, the buffer piece 1203 presses the top of the product 14, and the mark pen 1202 leaves the mark on the top of the product 14, and the product 14 is the good product.

[0032] The above embodiment is only for explaining the technical concept and characteristics of the utility model, and the purpose is to enable the person familiar with the technology to understand the content of the utility model and to implement, and can not limit the protection scope of the utility model. Any equivalent transformation or modification according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. A device for detecting defects of a cap of a car shock absorber, comprising a base plate (1), further comprising a frame (6) connected to the top surface of the base plate (1), characterized in that: The top surface of the bottom plate (1) of one side of the rack (6) is connected in parallel with a displacement device one (2), the output end of the displacement device one (2) is connected with a displacement device two (3) which is perpendicular to the displacement device one (2) in horizontal direction, the output end of the displacement device two (3) is connected with a supporting plate (4), the top surface of the supporting plate (4) is connected with a detector (5), the inner side top of the rack (6) is connected with a conveying belt (7), the top surface of both ends of the rack (6) is connected with a limiting piece (9), the top side of the rack (6) is connected with a driving device (8) and a bracket (10), the side of the bracket (10) is connected with a lifting device (11), the side of the lifting device (11) is connected with a marking structure (12), the end of the rack (6) away from the displacement device two (3) is connected with a discharge port (13).

2. The automobile shock absorber cap defect detection device according to claim 1, characterized in that: The displacement device one (2) and the displacement device two (3) are electric screw slide modules, one end of the bottom of the displacement device two (3) is connected to the top surface of the sliding block of the displacement device one (2), the main part of the displacement device two (3) faces the direction of the rack (6), when the sliding block of the displacement device one (2) slides to one end close to the rack (6), the bottom support rod of the displacement device two (3) is close to the rack (6).

3. The automobile shock absorber cap defect detection device according to claim 1, characterized in that: One end of the bottom surface of the supporting plate (4) is connected to the top surface of the sliding block of the displacement device two (3), the other end faces the reverse position of the rack (6), the vertical distance between the top surface of the supporting plate (4) and the top surface of the bottom plate (1) is less than the vertical distance between the top bottom surface of the rack (6) and the top surface of the bottom plate (1).

4. The automobile shock absorber cap defect detection device according to claim 1, characterized in that: The detector (5) is a three-dimensional line laser scanner, and the detector (5) is connected to the top surface of one end of the supporting plate (4) away from the rack (6).

5. The automobile shock absorber cap defect detection device according to claim 1, characterized in that: The driving device (8) is a motor, and the rotating shaft of the driving device (8) is connected with the input shaft of the conveying belt (7).

6. The automobile shock absorber cap defect detection device according to claim 1, characterized in that: The limiting piece (9) is two symmetrical right trapezoidal blocks, the oblique edges of the limiting piece (9) are opposite, the right angles opposite to the oblique edges are parallel to the side edges of the rack (6), the narrower end of the limiting piece (9) faces the direction of the detector (5), the distance of the narrower end of the limiting piece (9) is equal to the width of the conveying belt (7), and the distance of the wider end is greater than the diameter of the bottom surface of the product (14) by five to eight millimeters.

7. The automobile shock absorber cap defect detection device according to claim 1 or 6, characterized by: The bracket (10) is U-shaped and parallel to the detector (5), and the two ends of the bracket (10) are connected to the top side of the rack (6) at the wider end of the limiting piece (9).

8. The automobile shock absorber cap defect detection device according to claim 1, characterized in that: The lifting device (11) is a slide cylinder and is connected to the median position of the side of the bracket (10) relative to the detector (5), the marking structure (12) is connected to the top surface of the output end of the lifting device (11), and when the output end of the lifting device (11) drops to the bottom end, the distance from the bottom surface of the marking structure (12) to the top surface of the conveying belt (7) is equal to the height of the product (14).

9. The automobile shock absorber cap defect detection device according to claim 1, characterized in that: The marking structure (12) comprises a fixing part (1201), a marking pen (1202) and a buffer part (1203), the fixing part (1201) is connected with two vertical limiting grooves, the distance between the central axes of the two vertical limiting grooves is equal to the top surface radius of the product (14), and the buffer part (1203) and the marking pen (1202) are respectively connected to the limiting groove close to the center line of the conveying belt (7) and the limiting groove on one side.