Automobile cross beam leakage test work station

By designing an automated automotive beam leak test workstation, automatic detection is achieved using sealing fixture components and leak testers, the problems of low manual detection efficiency and high risk of misjudgment in the prior art are solved, and detection efficiency and accuracy are improved.

CN222938687UActive Publication Date: 2025-06-03CHONGQING DINGXI IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421634716.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-06-03
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

The existing airtightness detection method of automobile beams requires manual clamping and sealing, which has low detection efficiency, high labor intensity, and is prone to misjudgment.

Method used

A work station for leak testing of automobile beams is designed, including a workbench, control cabinet and sealing fixture assembly. The sealing fixture assembly is automatically clamped and sealed through elastic pressing rods and cylinders. The leak tester is connected to the sealing space of automobile beams through inflation pipes and pressure sensors to achieve automatic detection.

Benefits of technology

Automatic detection is realized, the detection efficiency and accuracy are improved, the labor intensity of manual operations is reduced, and the risk of misjudgment is reduced.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222938687U_ABST
    Figure CN222938687U_ABST
Patent Text Reader

Abstract

The utility model discloses an automobile crossbeam leakage test work station, which is characterized in that the automobile crossbeam leakage test work station comprises a work bench installation frame, a work bench and a control cabinet, the work bench is arranged on the work bench installation frame, the control cabinet is arranged on one side of the work bench installation frame, the work bench is provided with a leakage test clamp frame, and the work bench is provided with a clamp. And a sealing clamp assembly is arranged in the leakage test clamp frame and is used for sealing each opening of the automobile cross beam. A leakage testing instrument is arranged in the control cabinet, and the leakage testing instrument is communicated with the sealed space of the automobile cross beam through an inflation pipeline and a pressure measuring sensor. The beneficial effects of the utility model are that the clamp can realize automatic clamping and sealing, an operator only needs to pick and place a product and start equipment to automatically obtain a leakage test result, the reliability is high, the operation is convenient, and the safety is high.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of sealing detection equipment, and particularly relates to a leak detection workstation for automobile cross beams. Background Art

[0002] The cross beam of a new energy vehicle in the prior art is an aluminum alloy die casting. After standby and completion, airtightness detection is required to determine whether the die casting quality is qualified, so as to avoid potential safety hazards after installation. The existing airtightness detection method is to block the openings on each surface of the product with a plugging fixture, and then immerse the entire fixture together with the product in a water tank, and judge whether there are air holes on the product by observing whether there are bubbles emerging from the surface of the product. However, this detection method requires manual clamping and plugging, with low detection efficiency, high labor intensity of workers, and prone to misjudgment by manual observation. Summary of the Invention

[0003] Aiming at the deficiencies in the above-mentioned prior art, the utility model provides a leak detection workstation for automobile cross beams, which has high detection efficiency, convenient operation, and high detection accuracy.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A leak detection workstation for automobile cross beams, characterized in that: it includes a workbench installation frame, a workbench, and a control cabinet. The workbench is arranged on the workbench installation frame, the control cabinet is arranged on one side of the workbench installation frame, and a sealing fixture assembly is arranged on the workbench.

[0006] The sealing fixture assembly includes a sealing plate mounting plate, a lower sealing plate, an upper sealing plate, a filling block, and a pressure rod mounting plate. The lower sealing plate is arranged on the sealing plate mounting plate, the upper sealing plate is arranged above the lower sealing plate, the filling block is arranged on the upper sealing plate, and a plurality of first elastic pressure rods are arranged on the pressure rod mounting plate and connected to the upper sealing plate; a plurality of second elastic pressure rods are also arranged on the pressure rod mounting plate, a plug is connected to the lower end of the second elastic pressure rod, and a vertically arranged cylinder seat is further arranged on the pressure rod mounting plate. A guide rod cylinder is arranged on one side of the lower part of the cylinder seat, and the front end of the cylinder rod of the guide rod cylinder is connected to a side sealing plate.

[0007] A leak detection fixture frame is arranged on the workbench. The leak detection fixture frame includes a lower bottom plate and an upper bottom plate. Support columns are arranged between the lower bottom plate and the upper bottom plate. An intermediate movable plate is slidably and cooperatively arranged on the support columns. The sealing plate mounting plate is arranged on the lower bottom plate, the pressure rod mounting plate is arranged on the intermediate movable plate, and a lifting cylinder for driving the intermediate movable plate to move up and down is arranged on the upper bottom plate.

[0008] A leak detector is provided inside the control cabinet, and the leak detector is communicated with the sealed space of the vehicle crossbeam through an inflation pipeline and a pressure measuring sensor.

[0009] Further, adjustable limit posts are provided at the four corners of the pressure bar mounting plate, and limit seats corresponding to the adjustable limit posts are provided on the sealing plate mounting plate.

[0010] Further, a convex positioning portion is provided in the middle of the lower sealing plate, a first sealing ring is provided on the outer periphery of the positioning portion, and a plurality of pre-positioning blocks are provided on the outer periphery of the first sealing ring.

[0011] Further, grating mounting seats are provided at the four corners of the top of the workbench mounting frame, and gratings surrounding the sealing fixture assembly are provided on the grating mounting seats.

[0012] The beneficial effects of the present utility model include: the fixture can realize automatic clamping and sealing, the operator only needs to pick and place the product, and the leak detection result can be automatically obtained after starting the equipment, with high reliability, convenient operation and high safety. Description of the Drawings

[0013] Figure 1 is a schematic structural diagram of the present utility model;

[0014] Figure 2 is a schematic structural diagram of the sealing fixture assembly of the present utility model. Detailed Embodiment

[0015] The present utility model will be further described in detail below in conjunction with specific embodiments and the accompanying drawings.

[0016] A leak detection workstation for a vehicle crossbeam as Figure 1-2 shown includes a workbench mounting frame 1, a workbench 2, and a control cabinet 3. The workbench 2 is arranged on the workbench mounting frame 1, the control cabinet 3 is arranged on one side of the workbench mounting frame 1, and a sealing fixture assembly is arranged on the workbench 2, and the sealing fixture assembly can be replaced according to the requirements of the actual product.

[0017] The fixture in this embodiment is a sealing fixture assembly for a vehicle crossbeam product, including a sealing plate mounting plate 4, a lower sealing plate 5, an upper sealing plate 6, a filling block 7, and a pressure bar mounting plate 8. Among them, the lower sealing plate 5 is arranged on the sealing plate mounting plate 4 and is used to seal the open bottom of the vehicle crossbeam. A convex positioning portion 51 is provided in the middle of the lower sealing plate 5 for positioning the vehicle crossbeam. A first sealing ring 52 is provided on the outer periphery of the positioning portion for closely fitting with the bottom edge of the vehicle crossbeam. A plurality of pre-positioning blocks 53 are provided on the outer periphery of the first sealing ring 52 to facilitate positioning when placing the vehicle crossbeam product.

[0018] The upper sealing plate 6 is arranged above the lower sealing plate 5 and is used to seal the opening at the top of the vehicle crossbeam. The filling block 7 is arranged on the upper sealing plate 6 and is used to fill the cavity inside the vehicle crossbeam, so as to reduce the inflation amount during pressure measurement. A sealing strip is also arranged along the outer periphery of the filling block 7 on the upper sealing plate 6 to closely fit the top edge of the vehicle crossbeam. A plurality of first elastic pressure rods 9 are evenly arranged on the pressure rod mounting plate 8 and are connected to the upper sealing plate 6, so that the upper sealing plate 6 is closely attached to the top surface of the vehicle crossbeam by pressing down through the first elastic pressure rods 9. A plurality of second elastic pressure rods 10 are also arranged on the pressure rod mounting plate 8. A plug 11 is connected to the lower end of the second elastic pressure rod 10, and the plug is used to block the hole at the top of the vehicle crossbeam.

[0019] A vertically arranged cylinder seat 12 is also arranged on the pressure rod mounting plate 8. A guide rod cylinder 13 is arranged on one side of the lower part of the cylinder seat 12. The front end of the cylinder rod of the guide rod cylinder 13 is connected to a side sealing plate 14. A sealing ring is arranged on the front end face of the side sealing plate 14 and is used to block the lateral opening at the upper part of the vehicle crossbeam.

[0020] To ensure that there is no excessive movement stroke during each sealing and pressing, adjustable limit posts 21 are arranged at the four corners of the pressure rod mounting plate 8 in this embodiment, and limit seats 22 corresponding to the adjustable limit posts 21 are arranged on the sealing plate mounting plate 4.

[0021] A leak detection fixture frame is arranged on the workbench 2. The leak detection fixture frame includes a lower bottom plate 15 and an upper bottom plate 16. Support columns 17 are arranged between the lower bottom plate 15 and the upper bottom plate 16. An intermediate movable plate 18 is slidably matched on the support columns 17. The sealing plate mounting plate 4 is arranged on the lower bottom plate 15. The pressure rod mounting plate 8 is arranged on the intermediate movable plate 18, and the pressure rod mounting plate 8 is driven to move up and down by the intermediate movable plate 18. A lifting cylinder 19 for driving the intermediate movable plate 18 to move up and down is arranged on the upper bottom plate 16.

[0022] In this embodiment, a leak detector 20, a host computer, and a teaching pendant are arranged in the control cabinet 3. The leak detector is communicated with the sealed space of the vehicle crossbeam through an inflation pipeline and a pressure measurement sensor and is used to detect the airtightness of the product after setting; the host computer is used to view, store, and upload the detection results; the teaching pendant is used to write programs according to different fixture actions.

[0023] To ensure the safety of each pick-and-place operation, grating mounting seats 23 are arranged at the four corners of the top of the workbench mounting frame 1 in this embodiment, and gratings 24 surrounding the sealing fixture assembly are arranged on the grating mounting seats 23.

[0024] The above has introduced in detail the technical solutions provided by the embodiments of the present utility model. Specific examples are used herein to elaborate on the principles and implementation manners of the embodiments of the present utility model. The descriptions of the above embodiments are only applicable to helping understand the principles of the embodiments of the present utility model; at the same time, for those of ordinary skill in the art, according to the embodiments of the present utility model, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A car beam leak test workstation, characterized by: The invention comprises a workbench installation frame (1), a workbench (2), and a control cabinet (3), wherein the workbench (2) is arranged on the workbench installation frame (1), the control cabinet (3) is arranged on one side of the workbench installation frame (1), and a sealing fixture assembly is arranged on the workbench (2). The sealing fixture assembly comprises a sealing plate mounting plate (4), a lower sealing plate (5), an upper sealing plate (6), a filling block (7), and a pressure rod mounting plate (8), wherein the lower sealing plate (5) is arranged on the sealing plate mounting plate (4), the upper sealing plate (6) is arranged above the lower sealing plate (5), the filling block (7) is arranged on the upper sealing plate (6), and a plurality of first elastic pressure rods (9) are arranged on the pressure rod mounting plate (8) and connected to the upper sealing plate (6); a plurality of second elastic pressure rods (10) are also arranged on the pressure rod mounting plate (8), and the lower ends of the second elastic pressure rods (10) are connected to plugs (11); a vertically arranged cylinder seat (12) is also arranged on the pressure rod mounting plate (8), and a guide rod cylinder (13) is arranged on one side of the lower part of the cylinder seat (12), and the front end of the cylinder rod of the guide rod cylinder (13) is connected to a side sealing plate (14); A leak test fixture frame is arranged on the workbench (2), and the leak test fixture frame comprises a lower bottom plate (15) and an upper bottom plate (16); a support column (17) is arranged between the lower bottom plate (15) and the upper bottom plate (16); an intermediate movable plate (18) is slidably arranged on the support column (17); the sealing plate mounting plate (4) is arranged on the lower bottom plate (15); the pressure rod mounting plate (8) is arranged on the intermediate movable plate (18); and a lifting cylinder (19) for driving the intermediate movable plate (18) to move up and down is arranged on the upper bottom plate (16); A leak tester (20) is arranged in the control cabinet (3), and the leak tester is connected to the sealed space of the automobile cross beam through an air filling pipe and a pressure sensor.

2. The automobile crossbeam leak test workstation according to claim 1, characterized in that: Adjustable limit columns (21) are arranged at the four corners of the pressure rod mounting plate (8), and limit seats (22) corresponding to the adjustable limit columns (21) are arranged on the sealing plate mounting plate (4).

3. The automobile crossbeam leak test workstation according to claim 1, characterized in that: The lower sealing plate (5) has a raised positioning portion (51) in the middle, a first sealing ring (52) is arranged on the periphery of the positioning portion (51), and a plurality of pre-positioning blocks (53) are arranged on the periphery of the first sealing ring (52).

4. The automobile crossbeam leak test workstation according to claim 1, characterized in that: Grating mounting seats (23) are provided at the four top corners of the workbench mounting frame (1), and gratings (24) surrounding the sealing fixture assembly are provided on the grating mounting seats (23).