Airtight test device for automobile steering mechanism

Abstract

The utility model discloses an air tightness test device for an automobile steering mechanism, which comprises a machine table, an air tightness detection device is arranged on the machine table, a workpiece slide rail is arranged on the machine table, two clamping cylinders are symmetrically arranged on two sides of the workpiece slide rail, a cylinder arm of each clamping cylinder is provided with a cylindrical end face plug, and the end face plugs are arranged on the two sides of the workpiece slide rail. A first vent hole is formed in the center of the end face plug; a plurality of blocking air cylinders are further arranged on the machine table, an air exhaust plug is arranged on an air cylinder arm of each blocking air cylinder, a second vent hole is formed in each air exhaust plug, and the first vent holes and the second vent holes are communicated with the air tightness detection device through pipelines. The beneficial effects of the utility model are that the steering mechanism is fixed on the tray in advance, then the tray is placed on the lifting tray, the two ends of the steering mechanism are fixed by the cylinders, and then the other cylinders are used for plugging each part needing to be sealed, and then the airtightness test is carried out. The whole test is less in manual intervention and high in efficiency.

Description

Technical Field

[0001] The utility model relates to the field of automobiles, in particular to an airtightness testing device for an automobile steering mechanism. Background Art

[0002] After the steering mechanism of an automobile is processed, it is necessary to test the air tightness of the assembled components. The test method is usually to seal multiple holes on it, and then inflate or evacuate air through an air tightness test device, and maintain it for a certain period of time, and monitor the change in air pressure to achieve the purpose of testing air tightness. At present, the existing devices are all manually sealed, which is inefficient. How to improve the efficiency of testing is a technical problem that needs to be solved urgently. Utility Model Content

[0003] The utility model aims to provide an automobile steering mechanism airtightness testing device which can solve the above technical problems.

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

[0005] A vehicle steering mechanism air tightness test device comprises a machine platform, an air tightness detection device is arranged on the machine platform, a workpiece slide is arranged on the machine platform, two clamping cylinders are symmetrically arranged on both sides of the workpiece slide, a cylindrical end face plug is arranged on each cylinder arm of the clamping cylinder, and a first air vent is arranged at the center of the end face plug; a plurality of blocking cylinders are also arranged on the machine platform, an exhaust plug is arranged on the cylinder arm of each of the blocking cylinders, and a second air vent is arranged on the exhaust plug, and the first air vent and the second air vent are both connected to the air tightness detection device by pipelines.

[0006] Preferably, a lifting tray located between the two workpiece slide rails is arranged on the machine platform, a positioning pin is arranged on the lifting tray, and a lifting cylinder for lifting the lifting tray is arranged under the machine platform.

[0007] Preferably, an L-shaped limiting plate is provided on the platform to limit the rising height of the lifting tray.

[0008] Preferably, a photoelectric sensor is diagonally arranged on the machine platform to detect whether there is a workpiece on the lifting tray.

[0009] Preferably, a door-shaped bracket is arranged on the machine platform, the air-tightness detection device is arranged on the door-shaped bracket, and the sealing cylinder is also arranged on the door-shaped bracket.

[0010] Preferably, a mounting plate is respectively arranged on the cylinder arms of the two clamping cylinders, and a blocking cylinder is respectively arranged on the mounting plates.

[0011] Preferably, a slide groove is provided on the mounting plate, a slider is movably provided on the slide groove, and a fork-shaped positioning fork is provided on the slider.

[0012] The beneficial effect of the utility model is that the steering mechanism is fixed on the pallet in advance, and then the pallet is placed on the lifting pallet, the two ends of the steering mechanism are fixed by the cylinder, and then other cylinders are used to block the parts that need to be sealed, and then the air tightness test is performed. The overall test has less manual intervention and high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the utility model in use state;

[0015] Figure 3 It is a front view structural schematic diagram of the utility model;

[0016] Figure 4 yes Figure 1 Schematic diagram of the local enlarged structure at point A in the middle. DETAILED DESCRIPTION

[0017] The technical solution of the utility model is further described in detail below in conjunction with specific implementation methods.

[0018] In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0019] like Figures 1 to 4 As shown, an automobile steering mechanism airtightness test device of the utility model comprises a machine platform 10. A door-shaped bracket 12 is arranged on the machine platform 10, and an airtightness detection device 14 and a blocking cylinder 16 are arranged on the door-shaped bracket 12.

[0020] A workpiece slide 18 is provided on the machine 10, and two clamping cylinders 20 are symmetrically provided on both sides of the workpiece slide 18. A cylindrical end face plug 22 is provided on each cylinder arm of the clamping cylinder 20, and a first vent hole (not shown) is provided at the center of the end face plug 22. A plurality of plugging cylinders 16 are also provided on the machine 10, and an exhaust plug 24 is provided on the cylinder arm of each plugging cylinder 16, and a second vent hole (not shown) is provided on the exhaust plug 24, and the first vent hole and the second vent hole are both connected to the air tightness detection device 14 through a pipeline.

[0021] A lifting tray 26 is disposed on the machine 10 between the two workpiece slide rails 18. A positioning pin 28 is disposed on the lifting tray 26. A lifting cylinder (not shown) for lifting the lifting tray 26 is disposed below the machine 10. An L-shaped limit plate 30 is disposed on the machine 10 to limit the lifting height of the lifting tray 26.

[0022] A photoelectric sensor 32 is disposed diagonally on the machine platform 10 to detect whether there is a workpiece on the lifting tray 26 .

[0023] A mounting plate 34 is respectively arranged on the cylinder arms of the two clamping cylinders 20 , and a blocking cylinder 16 is respectively arranged on the mounting plates 34 .

[0024] A slide groove 36 is provided on the right mounting plate 34, a slider 38 is movably provided on the slide groove 36, and a fork-shaped positioning fork 42 is provided on the slider 38. The positioning fork 42 is used to fix the oblique structure on the automobile steering mechanism 40, and it can be moved slightly to adapt to different types of automobile steering mechanisms 40.

[0025] When the utility model is in use, the automobile steering mechanism 40 installed on the pallet (not shown) can be placed on the workpiece slide rail 18 together with the pallet through a conveyor belt or a mechanical arm, and can be further pushed to a set position by a conveying cylinder (not shown); then the pallet 26 is lifted upward and fixed by the positioning pin 28, and lifted upward; finally, the two clamping cylinders 20 are relatively clamped to fix the automobile steering mechanism 40 and block its two ends; all the blocking cylinders 16 move forward, each blocking the point that needs to be blocked, and then the air tightness detection device 14 evacuates air and detects the air pressure, thereby completing the air tightness detection. The blocking cylinders 16 are fixedly set on their respective brackets (not shown) according to the positions of the points that need to be blocked, so as to ensure the direction of blocking.

[0026] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An airtightness test device for automobile steering mechanism, comprising a machine platform, on which an airtightness detection device is arranged, characterized in that: A workpiece slide is arranged on the machine platform, and two clamping cylinders are symmetrically arranged on both sides of the workpiece slide. A cylindrical end face plug is arranged on each cylinder arm of the clamping cylinder, and a first air vent is arranged at the center of the end face plug; a plurality of sealing cylinders are also arranged on the machine platform, and an exhaust plug is arranged on the cylinder arm of each sealing cylinder, and a second air vent is arranged on the exhaust plug, and the first air vent and the second air vent are both connected to the air tightness detection device by pipelines.

2. The airtightness test device for automobile steering mechanism according to claim 1, characterized in that: A lifting tray located between the two workpiece slide rails is arranged on the machine platform, a positioning pin is arranged on the lifting tray, and a lifting cylinder for lifting the lifting tray is arranged under the machine platform.

3. The airtightness test device for automobile steering mechanism according to claim 2, characterized in that: An L-shaped limiting plate for limiting the rising height of the lifting tray is arranged on the machine platform.

4. The vehicle steering mechanism airtightness test device according to claim 2, characterized in that: A photoelectric sensor for detecting whether there is a workpiece on the lifting tray is arranged diagonally on the machine platform.

5. The vehicle steering mechanism airtightness test device according to claim 1, characterized in that: A door-shaped bracket is arranged on the machine platform, the air-tightness detection device is arranged on the door-shaped bracket, and the sealing cylinder is also arranged on the door-shaped bracket.

6. The vehicle steering mechanism airtightness test device according to claim 1, characterized in that: A mounting plate is respectively arranged on the cylinder arms of the two clamping cylinders, and a blocking cylinder is respectively arranged on the mounting plates.

7. The airtightness test device for automobile steering mechanism according to claim 6, characterized in that: A slide groove is arranged on the installation plate, a sliding block is movably arranged on the slide groove, and a fork-shaped positioning fork is arranged on the sliding block.

Images