Detection tool used for detecting automobile A column inner plate assembly

By designing a testing fixture consisting of a conveyor belt, cylinder, clamping rod and scanner, the problems of low detection efficiency and insufficient precision in the existing technology are solved, and efficient and accurate detection of the A-pillar inner panel assembly is achieved.

CN223460989UActive Publication Date: 2025-10-21NINGBO FENGQING AUTO PARTS CO LTD
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Patent Information

Application Number
CN202422667567.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-10-21
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

Existing methods for inspecting the inner panel assembly of an automobile A-pillar are inefficient, difficult to fully and accurately reflect its true shape and size, and require a lot of manual work.

Method used

A testing fixture consisting of a conveyor belt, a cylinder, a clamping rod, a scanner and a servo motor was designed. The cylinder drives the clamping and movement, and the scanner comprehensively scans the A-pillar inner panel assembly from the inside and outside. Combined with the servo motor to drive the scanner to move, automated inspection is achieved.

Benefits of technology

It achieves comprehensive and accurate three-dimensional shape data measurement of the A-pillar inner panel assembly, improves detection efficiency and automation, and provides more accurate detection results.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223460989U_ABST
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Abstract

The utility model discloses a testing fixture for detecting an automobile A-pillar inner plate assembly, and relates to the field of automobile part detection equipment, the testing fixture for detecting the automobile A-pillar inner plate assembly comprises a bottom plate, the upper end of the bottom plate is provided with a transmission belt, the lower end of the bottom plate is provided with a first cylinder, and the first cylinder is provided with a second cylinder. The side end of the first air cylinder is connected with an outer clamping rod, and a second air cylinder is arranged at the lower end of the bottom plate. The A-column inner plate assembly can be clamped and fixed from the outer end through the outer clamping rod, so that the inner scanner can scan the inner side face of the A-column inner plate assembly, the A-column inner plate assembly can be fixed from the inside through the inner supporting head, and the outer scanner can scan the outer side face of the A-column inner plate assembly. The two scanners carry out comprehensive scanning on the A-column inner plate assembly from different angles and positions, more comprehensive and more accurate three-dimensional shape data can be provided, the automation degree is high, and the practicability is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile part detection equipment, especially relates to a testing fixture for detecting automobile A column inner plate assembly. BACKGROUND

[0002] The automobile A column inner plate assembly is an important component part in the automobile body structure, which is located between the engine compartment and the passenger compartment, is the component collection of the inside of the column on both sides of the front windshield glass, and not only plays a role of connecting the roof and the body, but also plays a key role in the safety performance of the automobile, therefore, needs to be detected after being processed.

[0003] However, the existing automobile A column inner plate assembly detection mainly relies on traditional manual measurement, X-ray detection, ultrasonic detection and the like, which is difficult to comprehensively and accurately reflect the real shape and size of the A column inner plate assembly, and needs the staff to invest a lot of effort to operate, which takes a long time and has low measurement efficiency, and is difficult to meet the production requirements.

[0004] In order to solve the technical problem, the utility model provides a testing fixture for detecting automobile A column inner plate assembly. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a testing fixture for detecting automobile A column inner plate assembly, which can effectively solve the problems mentioned in the background art.

[0006] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is:

[0007] A testing fixture for detecting automobile A column inner plate assembly, comprising a bottom plate, a conveying belt is arranged on the upper end of the bottom plate, a first air cylinder is arranged on the lower end of the bottom plate, an outer clamping rod is connected to the side end of the first air cylinder, a second air cylinder is arranged on the lower end of the bottom plate, a supporting frame is arranged on the side end of the bottom plate, a top rod is connected to the upper end of the supporting frame, a third air cylinder is arranged in the top rod, a fixed rod is connected to the lower end of the third air cylinder, a fourth air cylinder is arranged on the side end of the fixed rod, an inner supporting head is connected to the driving end of the fourth air cylinder, an inner scanner is arranged on the upper end of the bottom plate, and an outer scanner is arranged on the outer end of the bottom plate.

[0008] Preferably, anti-skid grooves are arranged on the outer end of the conveying belt, production line conveying belts are arranged on the two sides of the supporting frame, and the upper surface of the conveying belt is the same in height as the upper surface of the production line conveying belts.

[0009] Preferably, the outer clamping rods are arranged on the two sides of the bottom plate, and cotton pads are arranged on the inner side of the outer clamping rods and the outer end of the inner supporting head.

[0010] Preferably, the second cylinder and the lower end of the support frame are connected with a mounting plate, the mounting plate is provided with a mounting hole, and the top rod, the third cylinder, the fixing rod and the fourth cylinder are located on the upper end of the bottom plate.

[0011] Preferably, the support frame is rotatably connected with a first threaded rod, the side end of the support frame is connected with a first servo motor, the driving end of the first servo motor is connected with the first threaded rod, and the first threaded rod is located on the upper end of the bottom plate.

[0012] Preferably, the support frame is rotatably connected with a second threaded rod, the side end of the support frame is connected with a second servo motor, the driving end of the second servo motor is connected with the second threaded rod, and the second threaded rod is located on the lower end of the first threaded rod.

[0013] Preferably, the upper end of the inner scanner is connected with an upper moving rod, the lower end of the outer scanner is connected with a lower moving rod, the first threaded rod is threadedly connected in the upper moving rod, and the second threaded rod is threadedly connected in the lower moving rod.

[0014] Compared with the prior art, the utility model has the advantages of the following:

[0015] In the utility model, the transmission belt is arranged, A column inner plate assembly can move in the device, the outer clamping rod is arranged, when A column inner plate assembly moves to the bottom plate, the first cylinder is started, A column inner plate assembly is clamped and fixed through the outer clamping rod, the third cylinder is not extended, the fixing rod is located on the upper end of A column inner plate assembly, the inner scanner can scan the inner side of A column inner plate assembly, the inner support head is arranged, the third cylinder is started to press down the fixing rod, the fourth cylinder is located in A column inner plate assembly, then the fourth cylinder is started to push the inner support head and make it touch the inner side of A column inner plate assembly, A column inner plate assembly is fixed from the inside, then the second cylinder drives the bottom plate to move down, the outer scanner can scan the outer side of A column inner plate assembly, two scanners scan A column inner plate assembly from different angles and positions, the shape and size of A column inner plate assembly can be calculated by combining the data of the two, so that detection is completed, three-dimensional shape data that is more comprehensive and more accurate can be provided, the utility model has high automation degree and high practicability.

[0016] In the utility model, the first threaded rod is arranged, the first servo motor is started to drive the first threaded rod to rotate, the first threaded rod rotates and acts on the upper moving rod, so that the inner scanner can be driven to move, and the inner side of A column inner plate assembly can be scanned comprehensively, the second threaded rod is arranged, the second servo motor is started to drive the lower moving rod and the outer scanner to move, and the outer side of A column inner plate assembly can be scanned comprehensively. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A position schematic view of a testing fixture for detecting an automobile A-pillar inner panel assembly of the utility model;

[0018] Figure 2 A whole structure schematic view of a testing fixture for detecting an automobile A-pillar inner panel assembly of the utility model;

[0019] Figure 3 An internal scanner working cross-sectional view of a testing fixture for detecting an automobile A-pillar inner panel assembly of the utility model;

[0020] Figure 4 An external scanner working cross-sectional view of a testing fixture for detecting an automobile A-pillar inner panel assembly of the utility model;

[0021] Figure 5 An external clamping rod structure schematic view of a testing fixture for detecting an automobile A-pillar inner panel assembly of the utility model;

[0022] Figure 6 A fixed rod structure schematic view of a testing fixture for detecting an automobile A-pillar inner panel assembly of the utility model.

[0023] In the figure: 1, bottom plate; 2, conveying belt; 3, No. 1 air cylinder; 4, external clamping rod; 5, No. 2 air cylinder; 6, support frame; 7, top rod; 8, No. 3 air cylinder; 9, fixed rod; 10, No. 4 air cylinder; 11, internal support head; 12, internal scanner; 13, external scanner; 14, No. 1 threaded rod; 15, No. 1 servo motor; 16, No. 2 threaded rod; 17, No. 2 servo motor; 18, upper moving rod; 19, lower moving rod. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0025] As Figures 1-6 shown, a testing fixture for detecting an automobile A-pillar inner panel assembly, comprising a bottom plate 1, the bottom plate 1 upper end is provided with a conveying belt 2, the conveying belt 2 can drive A-pillar inner panel assembly to move, the conveying belt 2 outer end is provided with anti-skid groove, the anti-skid groove is used to increase the friction between it and the surface of A-pillar inner panel assembly, so as to avoid the relative sliding of both, the bottom plate 1 side end is provided with a support frame 6, the support frame 6 both sides are provided with a production line conveying belt, the conveying belt 2 upper surface and the upper surface height of the production line conveying belt are same, so that A-pillar inner panel assembly can be moved from the production line conveying belt to the conveying belt 2, after the device detects A-pillar inner panel assembly, the conveying belt 2 can move it again to the production line conveying belt.

[0026] A No. 1 cylinder 3 is provided at the lower end of the base plate 1, and the side end of the No. 1 cylinder 3 is connected to an external clamping rod 4, which is located on both sides of the base plate 1. Starting the No. 1 cylinder 3 will drive the external clamping rod 4 to move, so that the A-pillar inner plate assembly on the base plate 1 can be clamped and fixed. A No. 2 cylinder 5 is provided at the lower end of the base plate 1, and the No. 2 cylinder 5 can drive the base plate 1 to move up and down. The No. 2 cylinder 5 and the lower end of the support frame 6 are both connected to a mounting plate, and a mounting hole is opened in the mounting plate, and the device can be fixed to the ground through the mounting plate.

[0027] The upper end of the support frame 6 is connected to a push rod 7, and a No. 3 cylinder 8 is arranged inside the push rod 7. The push rod 7 is used to connect and fix the No. 3 cylinder 8. The lower end of the No. 3 cylinder 8 is connected to a fixing rod 9. The No. 3 cylinder 8 is used to adjust the height of the fixing rod 9. The side end of the fixing rod 9 is provided with a No. 4 cylinder 10. The driving end of the No. 4 cylinder 10 is connected to the inner support head 11. Starting the No. 4 cylinder 10 can drive the inner support head 11 to move, so that the inner support head 11 can act on the inner side of the A-pillar inner panel assembly, so that the A-pillar inner panel assembly can be fixed from the inside. Cotton pads are provided on the inner side of the outer clamping rod 4 and the outer end of the inner support head 11. The cotton pads are used to prevent scratches on the A-pillar inner panel assembly when it is fixed.

[0028] An inner scanner 12 is provided at the upper end of the base plate 1, and the inner scanner 12 is used to scan the inner surface shape of the A-pillar inner panel assembly. The upper end of the inner scanner 12 is connected to an upper moving rod 18. An outer scanner 13 is provided at the outer end of the base plate 1, and the outer scanner 13 is used to scan the outer surface shape of the A-pillar inner panel assembly. The lower end of the outer scanner 13 is connected to a lower moving rod 19.

[0029] There is a No. 1 threaded rod 14 that is rotatably connected inside the support frame 6. The No. 1 threaded rod 14 is threadedly connected to the upper moving rod 18. The side end of the support frame 6 is connected to a No. 1 servo motor 15. The driving end of the No. 1 servo motor 15 is connected to the No. 1 threaded rod 14. Starting the No. 1 servo motor 15 will drive the No. 1 threaded rod 14 to rotate. The rotation of the No. 1 threaded rod 14 interacts with the upper moving rod 18, which will enable the upper moving rod 18 to drive the internal scanner 12 to move.

[0030] A No. 2 threaded rod 16 is rotatably connected inside the support frame 6, and the No. 2 threaded rod 16 is threadedly connected to the lower moving rod 19. A No. 2 servo motor 17 is connected to the side end of the support frame 6, and the driving end of the No. 2 servo motor 17 is connected to the No. 2 threaded rod 16. Starting the No. 2 servo motor 17 will drive the No. 2 threaded rod 16 to rotate. The rotation of the No. 2 threaded rod 16 interacts with the lower moving rod 19, which will enable the lower moving rod 19 to drive the external scanner 13 to move.

[0031] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A testing fixture for testing an automotive A-pillar inner panel assembly, comprising a base plate (1), characterized in that: The bottom plate (1) upper end is provided with a transmission belt (2), the bottom plate (1) lower end is provided with a No. 1 air cylinder (3), the No. 1 air cylinder (3) side end is connected with an outer clamping rod (4), the bottom plate (1) lower end is provided with a No. 2 air cylinder (5), the bottom plate (1) side end is provided with a support frame (6), the support frame (6) upper end is connected with a top rod (7), the top rod (7) is provided with a No. 3 air cylinder (8) inside, the No. 3 air cylinder (8) lower end is connected with a fixed rod (9), the fixed rod (9) side end is provided with a No. 4 air cylinder (10), the No. 4 air cylinder (10) drive end is connected with an inner support head (11), the bottom plate (1) upper end is provided with an inner scanner (12), the bottom plate (1) outer end is provided with an outer scanner (13).

2. The gage for detecting the inner panel assembly of the A pillar of a vehicle according to claim 1, wherein: The transmission belt (2) outer end is provided with an anti-skid groove, the support frame (6) both sides are provided with a production line conveyor belt, the transmission belt (2) upper surface is the same height as the production line conveyor belt upper surface.

3. The gage for detecting the inner panel assembly of the A pillar of a vehicle according to claim 1, wherein: The outer clamping rod (4) is located on both sides of the bottom plate (1), the outer clamping rod (4) inner side and the inner support head (11) outer end are both provided with a cotton pad.

4. The gage for detecting the inner panel assembly of the A pillar of a vehicle according to claim 1, wherein: The No. 2 air cylinder (5) and the support frame (6) lower end are both connected with a mounting plate, the mounting plate is provided with a mounting hole, the top rod (7), the No. 3 air cylinder (8), the fixed rod (9), the No. 4 air cylinder (10) are all located on the bottom plate (1) upper end.

5. The gage for detecting the inner panel assembly of the A pillar of a vehicle according to claim 1, wherein: The support frame (6) is rotatably connected with a No. 1 threaded rod (14), the support frame (6) side end is connected with a No. 1 servo motor (15), the No. 1 servo motor (15) drive end is connected with the No. 1 threaded rod (14), the No. 1 threaded rod (14) is located on the bottom plate (1) upper end.

6. The gage for detecting an inner panel assembly of an A pillar of a vehicle according to claim 5, characterized in that: The support frame (6) is rotatably connected with a No. 2 threaded rod (16), the support frame (6) side end is connected with a No. 2 servo motor (17), the No. 2 servo motor (17) drive end is connected with the No. 2 threaded rod (16), the No. 2 threaded rod (16) is located on the No. 1 threaded rod (14) lower end.

7. The gage for detecting an inner panel assembly of an A-pillar of a vehicle according to claim 6, wherein: The inner scanner (12) upper end is connected with an upper moving rod (18), the outer scanner (13) lower end is connected with a lower moving rod (19), the No. 1 threaded rod (14) is screw connected in the upper moving rod (18), the No. 2 threaded rod (16) is screw connected in the lower moving rod (19).