Quality detection device for safety belt system precision pipe fitting production line

By combining a laser rangefinder, linear guide rail, and electrically controlled telescopic rod for detection, the problem of the inability to detect the flatness of the outer wall of precision pipe fittings in existing technologies has been solved. This achieves efficient and accurate outer wall detection, ensuring the stability of the detection process and the safety of precision pipe fittings.

CN223756001UActive Publication Date: 2026-01-02NANJING HUAMAI AUTOMOTIVE PARTS MFG CO LTD
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Patent Information

Application Number
CN202520447370.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-01-02
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

Existing technology cannot detect the flatness of the outer wall of precision pipe fittings, which makes it impossible to guarantee the flatness of the outer wall.

Method used

The detection method combines a laser rangefinder with a linear guide rail and an electrically controlled telescopic rod. Through the structure of support rollers, drive devices and pressure rollers, it can achieve high-precision, non-contact detection of the outer wall of precision pipe fittings. Combined with the slider and slider drive device moving on the linear guide rail, it can achieve comprehensive detection of the entire outer wall.

Benefits of technology

It achieves high-precision, non-contact inspection of the flatness of the outer wall of precision pipe fittings, improving inspection efficiency and accuracy, avoiding damage to pipe fittings due to excessive pressure, and ensuring the stability and reliability of the inspection process.

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Abstract

The utility model discloses a quality detection device for a safety belt system precision pipe fitting production line, relates to the field of precision pipe fitting production, and aims to solve the problems that only the end of a pipe fitting can be detected and the flatness of the outer wall of the precision pipe fitting cannot be detected in the prior art. A rectangular supporting frame is arranged on the upper end face of the detection table and located at the upper ends of the two triangular supporting pieces, a C-shaped fixing frame is connected to the middle of the upper end of the inner side of the rectangular supporting frame, a lower pressing roller is rotationally connected to the inner side of the C-shaped fixing frame, and a C-shaped supporting frame is fixedly connected to the other side of the middle of the upper end face of the detection table. A linear guide rail is fixedly connected to the upper end face of the inner side of the C-shaped supporting frame, a sliding block is slidably connected to the middle of the linear guide rail, an electric control telescopic rod is fixedly connected to the lower end of the sliding block, a laser range finder is fixedly connected to the lower end of the telescopic end of the electric control telescopic rod, and high-precision and non-contact detection on the flatness of the outer wall of the precise pipe fitting can be achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of precision pipe production, specifically to a quality detection device for safety belt system precision pipe production line. BACKGROUND

[0002] Precision pipe is a kind of seamless steel pipe fittings with high-precision size, excellent surface quality and excellent mechanical properties. It is usually manufactured by high-precision processes such as cold drawing or cold rolling, and the inner and outer diameter size can be accurately controlled, and the wall thickness tolerance is also very small. This kind of pipe has high strength, high hardness, good toughness and plasticity, and can withstand large pressure, tension and impact force, and is suitable for various harsh working environments. Precision pipe has a wide application in machinery, automobile, aerospace and other fields. Because of its high precision and stability, it becomes the preferred material for key components, and detection device is needed during precision pipe production.

[0003] For example, the authorized announcement number CN220794211U discloses a kind of pipe's laser cutting with notch quality detection device, including base, the base outer surface one side is installed with buzzer body A, the base outer surface other side is installed with buzzer body B, the base front end face one side is installed with display screen A, the base front end face other side is installed with display screen B, the base rear end face is installed with L type board, the L type board lower end face one side is provided with flatness detection device, the flatness detection device includes moving plate, the moving plate lower end face is provided with threaded rod by transverse groove, the threaded rod outer surface is equipped with threaded block, the threaded block lower end face is fixedly installed with a plurality of bottom plate, the bottom plate is all installed with pressure sensor A by cavity A in the inside.The utility model can detect the flatness of pipe, and can detect whether there is burr, improve detection effect.

[0004] Since precision pipe needs to ensure the flatness of outer wall, the above-mentioned technology can only detect the end of pipe, and cannot detect the flatness of outer wall of precision pipe; Therefore, the market urgently needs to develop a kind of quality detection device for safety belt system precision pipe production line to help people solve the existing problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of quality detection device for safety belt system precision pipe production line, to solve the problem that only the end of pipe can be detected in prior art, and the flatness of outer wall of precision pipe cannot be detected, since precision pipe needs to ensure the flatness of outer wall.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A quality detection device for safety belt system precision pipe production line, including detection table, two groups of triangular support spare are symmetrically arranged in the middle of detection table upper end surface one side, every group triangular support spare is provided with three in vertical direction at equal intervals, the upper end of every two adjacent triangular support spare in every group is rotatably connected with support roller, the upper end surface of detection table is provided with rectangular support frame in the upper end of two groups of triangular support spare, the upper end surface middle part of rectangular support frame is fixedly connected with hydraulic rod, the inside upper end middle part of rectangular support frame is connected with C type fixed frame, the inside rotatably connected with down roller of C type fixed frame, the other side of detection table upper end surface middle part is fixedly connected with C type support frame, the inside upper end surface of C type support frame is fixedly connected with linear guide rail, the middle part of linear guide rail is slidably connected with sliding block, the lower end of sliding block is fixedly connected with electric control telescopic rod, the lower end of telescopic end of electric control telescopic rod is fixedly connected with laser range finder.

[0007] Preferably, the middle part of the two support rollers in each group is rotatably connected with the three triangular support pieces through a rotating shaft, and the support roller is fixedly connected with the rotating shaft.

[0008] Preferably, the rear end surface of the triangular support piece on one side is fixedly provided with a driving device, and the driving device is fixedly connected with a driving motor inside.

[0009] Preferably, the rear end of the rotating shaft of the triangular support piece on the front end of the driving device extends to the inside of the driving device and is connected with the output shaft of the driving motor through a shaft coupling.

[0010] Preferably, the front and rear ends of the lower end of the rectangular support frame are fixedly connected with the upper end surface of the detection table, and the middle part of the upper end surface of the C type fixed frame is fixedly connected with a fixed pipe.

[0011] Preferably, the lower end of the telescopic end of the hydraulic rod extends to the inside of the fixed pipe through the rectangular support frame and is fixedly connected with a limiting disc, and the inside of the fixed pipe is provided with a spring below the limiting disc.

[0012] Preferably, the upper end of the front end surface of the C type support frame is fixedly provided with a sliding block driving device for driving the sliding block to slide.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) In the utility model, the detection mode combining the laser range finder with the linear guide rail and the electric control telescopic rod can realize high-precision and non-contact detection of the flatness of the outer wall of the precision pipe, the laser range finder can measure the distance between the outer wall of the pipe and the detection device in real time, the overall detection of the entire outer wall of the pipe can be realized through the movement of the sliding block on the linear guide rail, and the detection efficiency and accuracy are improved.

[0015] (2) The utility model discloses a support roller, drive arrangement and down pressure roller structure are set up, can realize the stable support and positioning of precision pipe fitting in the rotation process, ensure the accuracy and reliability of detection process, simultaneously, down pressure roller passes through the design of hydraulic stem and spring structure, can according to the size of precision pipe fitting and carry out self -adaptation adjustment, avoided the pipe fitting damage problem caused by excessive pressure. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view of quality detection device for safety belt system precision pipe fitting production line of the utility model;

[0017] Figure 2 It is the main sectional view of the utility model;

[0018] Figure 3 It is the down pressure roller side sectional view of the utility model;

[0019] Figure 4 It is the drive arrangement side sectional view of the utility model.

[0020] In the drawing: 1, detection table;101, triangular support piece;102, rotation shaft;103, support roller;2, drive arrangement;201, drive motor;3, rectangular support frame;301, hydraulic stem;302, limit round sheet;4, C type fixed frame;401, down pressure roller;402, fixed pipe;403, spring;5, C type support frame;501, linear guide rail;502, sliding block drive arrangement;503, sliding block;504, electric control telescopic rod;505, laser range finder. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Please refer to Figures 1-4The utility model provides a kind of quality detection device for safety belt system precision pipe production line, including detection table 1, two groups of triangular support piece 101 are symmetrically set in detection table 1 upper end face middle part side, every group of triangular support piece 101 is vertically provided with three, every group of adjacent two triangular support piece 101 is rotatably connected with support roller 103 in upper end, every group of two support roller 103 middle part is rotatably connected between three triangular support piece 101, support roller 103 is fixedly connected with rotating shaft 102, the rear end surface of one side rear end triangular support piece 101 is fixedly provided with driving device 2, driving motor 201 is fixedly connected in driving device 2, the rear end of rotating shaft 102 on the triangular support piece 101 of driving device 2 front end is extended to the inside of driving device 2 and is connected with the output shaft of driving motor 201 through coupling, the precision pipe that needs to be detected is placed in the upper end between two support rollers 103, one rotating shaft 102 is rotated by driving motor 201, and then the rotating shaft 102 drives a group of triangular support piece 101 upper support roller 103 to rotate, so that support roller 103 drives precision pipe to rotate.

[0023] Please refer to Figure 2 and Figure 3 , the upper end of detection table 1 is provided with rectangular support frame 3 in the upper end of two groups of triangular support piece 101, hydraulic rod 301 is fixedly connected in the middle part of the upper end surface of rectangular support frame 3, C-shaped fixed frame 4 is connected to the middle part of the upper end of the inner side of rectangular support frame 3, lower pressing roller 401 is rotatably connected to the inner side of C-shaped fixed frame 4, the upper end surface of C-shaped fixed frame 4 is fixedly connected with fixed pipe 402, the lower end of the telescopic end of hydraulic rod 301 is extended to the inside of fixed pipe 402 after passing through rectangular support frame 3 and is fixedly connected with limit disc 302, spring 403 is provided in the inside of fixed pipe 402 and at the lower end of limit disc 302, when precision pipe is placed in the upper end between two support rollers 103, C-shaped fixed frame 4 is lowered by hydraulic rod 301, and then C-shaped fixed frame 4 is lowered to press lower pressing roller 401 on the middle part of the upper end of precision pipe, when lower pressing roller 401 is pressed on the middle part of the upper end of precision pipe and moves, the telescopic end of the lower end of hydraulic rod 301 continues to descend, and then the telescopic end of the lower end is inserted into the inside of fixed pipe 402 and the limit disc 302 compresses spring 403, the pressing force is transmitted by spring 403, the force between lower pressing roller 401 and precision pipe is reduced, precision pipe is prevented from being damaged due to pressure, and precision pipe is kept stable when rotating,

[0024] Please refer to Figure 1 and Figure 2The other side of the middle of the upper end face of the detection table 1 is fixedly connected with a C-shaped support frame 5, the inner upper end face of the C-shaped support frame 5 is fixedly connected with a linear guide rail 501, the middle of the linear guide rail 501 is slidably connected with a sliding block 503, the lower end of the sliding block 503 is fixedly connected with an electric control telescopic rod 504, the lower end of the telescopic end of the electric control telescopic rod 504 is fixedly connected with a laser range finder 505, the upper end of the front end face of the C-shaped support frame 5 is fixedly provided with a sliding block driving device 502 for driving the sliding block 503 to slide, the sliding block 503 is driven by the sliding block driving device 502 to move forward and backward on the linear guide rail 501 to adjust the position of the laser range finder 505, the laser range finder 505 is driven by the electric control telescopic rod 504 to ascend and descend to adjust the height, when the precision pipe rotates, the laser range finder 505 is used to perform real-time ranging on the side of the front end of the precision pipe, when the ranging value of the laser range finder 505 remains unchanged, it is indicated that the cross section of the precision pipe does not deform, the sliding block 503 is slowly moved backward on the linear guide rail 501, so that the laser range finder 505 is slowly moved backward and continuously ranges the side end of the precision pipe when the precision pipe rotates, when the ranging value of the laser range finder 505 remains unchanged, it is indicated that the outer wall of the precision pipe is flat and does not deform.

[0025] Working principle: when in use, first, the precision pipe to be detected is placed between the two groups of support rollers 103 connected by the rotating shaft 102. Then, the driving motor 201 in the driving device 2 is started, the driving motor 201 drives the rotating shaft 102 to rotate through the shaft coupling, and then drives the support roller 103 to rotate, so that the precision pipe stably rotates on the support roller 103. Then, the lower pressing roller 401 is driven by the hydraulic rod 301 to descend and press tightly above the middle of the precision pipe. When the lower pressing roller 401 presses the precision pipe, the telescopic end of the hydraulic rod 301 continues to descend and extends into the fixed pipe 402, compresses the spring 403, so as to transfer the pressing force and reduce the acting force between the lower pressing roller 401 and the precision pipe, so as to prevent the precision pipe from being damaged due to excessive pressure, and at the same time, ensure that the precision pipe remains stable when rotating. At this time, the sliding block 503 is driven by the sliding block driving device 502 to move forward and backward on the linear guide rail 501, so as to adjust the position of the laser range finder 505. The laser range finder 505 is driven by the electric control telescopic rod 504 to ascend and descend to adjust the height, so as to align the side of the front end of the precision pipe to perform real-time ranging. When the ranging value of the laser range finder 505 remains unchanged, it is indicated that the cross section of the precision pipe does not deform. Then, the sliding block 503 is slowly moved backward on the linear guide rail 501, so that the laser range finder 505 is slowly moved backward and continuously ranges the side end of the precision pipe when the precision pipe rotates. If the ranging value of the laser range finder 505 always remains unchanged, it is indicated that the outer wall of the precision pipe is flat and does not deform.

[0026] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A quality detection device for safety belt system precision pipe production line, comprising a detection table (1), characterized in that: The detection platform (1) upper end face middle part one side symmetrically is provided with two groups of triangular supporting pieces (101), each group of triangular supporting pieces (101) is vertically provided with three equidistantly, and the upper end of each group of two adjacent triangular supporting pieces (101) is rotatably connected with a supporting roller (103), the upper end face of the detection platform (1) is provided with a rectangular support frame (3) on the upper end of the two groups of triangular supporting pieces (101), the upper end face middle part of the rectangular support frame (3) is fixedly connected with a hydraulic rod (301), the inner side upper end middle part of the rectangular support frame (3) is connected with a C-shaped fixed frame (4), the inner side of the C-shaped fixed frame (4) is rotatably connected with a pressing roller (401), the other side of the upper end middle part of the detection platform (1) is fixedly connected with a C-shaped support frame (5), the inner side upper end face of the C-shaped support frame (5) is fixedly connected with a linear guide rail (501), the middle part of the linear guide rail (501) is slidably connected with a sliding block (503), the lower end of the sliding block (503) is fixedly connected with an electric control telescopic rod (504), and the telescopic end of the electric control telescopic rod (504) is fixedly connected with a laser range finder (505).

2. The quality detection device for a safety belt system precision pipe production line according to claim 1, characterized in that: The middle part of each group of two supporting rollers (103) is rotatably connected with three triangular supporting pieces (101) through a rotating shaft (102), and the supporting roller (103) is fixedly connected with the rotating shaft (102).

3. The quality detection device for a safety belt system precision pipe production line according to claim 2, characterized in that: The rear end face of the triangular supporting piece (101) on one side is fixedly provided with a driving device (2), and the driving device (2) is fixedly connected with a driving motor (201) inside.

4. The quality detection device for a safety belt system precision pipe production line according to claim 3, characterized in that: The rear end of the rotating shaft (102) on the triangular supporting piece (101) of the front end of the driving device (2) extends to the inside of the driving device (2) and is connected with the output shaft of the driving motor (201) through a shaft coupling.

5. The quality detection device for a safety belt system precision pipe production line according to claim 1, characterized in that: The front and rear ends of the lower end of the rectangular support frame (3) are fixedly connected with the upper end face of the detection platform (1), and the middle part of the upper end face of the C-shaped fixed frame (4) is fixedly connected with a fixed tube (402).

6. The quality detection device for a safety belt system precision pipe production line according to claim 5, characterized in that: The telescopic end of the hydraulic rod (301) extends to the inside of the fixed tube (402) after penetrating through the rectangular support frame (3) and is fixedly connected with a limiting disc (302), and the inside of the fixed tube (402) is provided with a spring (403) below the limiting disc (302).

7. The quality detection device for a safety belt system precision pipe production line according to claim 1, characterized in that: The upper end of the front end face of the C-shaped support frame (5) is fixedly provided with a sliding block driving device (502) for driving the sliding block (503) to slide.

Citation Information

Patent Citations

  • Notch quality detection device for laser cutting of pipe fitting

    CN220794211U