Air tightness test tool

Abstract

The utility model discloses an air tightness test tool, and relates to the technical field of automobile part detection, the air tightness test tool comprises a work frame, the work frame is provided with a mounting port, the mounting port is internally and fixedly provided with a water tank, the work frame is provided with a connecting water pipe connected with an external water supply pipe, and the water tank is internally provided with a detection mechanism. A second air cylinder and a third air cylinder are controlled to be started, the output end of the third air cylinder can push a first positioning plate to move, the output end of the third air cylinder can drive a second positioning plate to move downwards, and then a workpiece can be clamped and positioned through the first positioning plate and the second positioning plate; at the moment, the first air cylinder is controlled to be started, the output end of the first air cylinder drives the placing plate and all the workpieces to move downwards and descend to the position below water in the water tank, and therefore whether bubbles are generated or not can be observed, the detection effect is improved, the detection effect is more accurate, and the detection work efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile parts detection, in particular to an air tightness test tool. BACKGROUND

[0002] Automobile parts are products that constitute the whole units of the automobile and serve the automobile, and there are many types. With the increase of automobile consumption, the market is also expanding. Automobile parts include engine, chassis, body and electrical equipment, and other parts of the assembly, sub-assembly and individual parts.

[0003] In the prior art, automobile parts are often made by welding, and subsequent installation is required for air supply or oil supply in the vehicle. Therefore, in order to ensure the quality of the product, full inspection is required before leaving the factory, and the air tightness of the pipe fitting is verified.

[0004] And the existing one is usually observed by human eyes to observe the gap of the pipe fitting welding part, although it can also play a detection role, but the workers will appear fatigue phenomenon under long time work, and thus affect the accuracy of detection, and the workers may not be able to distinguish the fine pores of the pipe fitting welding part, thus affecting the product quality. CONTENT OF THE INVENTION

[0005] The purpose of the present application is to solve or at least alleviate the problem that the workers will appear fatigue phenomenon under long time work in the prior art, and thus affect the accuracy of detection, and the workers may not be able to distinguish the fine pores of the pipe fitting welding part, thus affecting the product quality.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: air tightness test tool, including work frame, the work frame is equipped with installation opening, the installation opening is fixedly installed with water tank in, the work frame is equipped with the connecting water pipe that connects with outside water supply pipe, be equipped with detection mechanism in the water tank,

[0007] The detection mechanism comprises a first cylinder fixedly installed on the inner wall of the bottom of the water tank, and the output end of the first cylinder is fixedly installed with a placing plate, the top outer wall of the placing plate is fixedly installed with a mounting table, the mounting table is provided with a plurality of workpieces, the mounting table is symmetrically provided with a plurality of rubber blocks for positioning and installing the workpieces, the outer wall of one side of the placing plate is fixedly installed with a connecting frame, the connecting frame is symmetrically fixedly installed with two second cylinders, and the output ends of the two second cylinders are fixedly installed with the same first positioning plate.

[0008] Adopting the technical scheme, the output end of the first cylinder drives the placement plate and all workpieces to move downwards and to be lowered below the water in the water tank, so that whether bubbles are generated can be observed, the detection effect is improved, the detection effect is more accurate, and the detection work efficiency is improved

[0009] Optionally, two third cylinders are symmetrically and fixedly installed on the top outer wall of the placement plate, and the output end of each of the two third cylinders is fixedly installed with a same second positioning plate.

[0010] Adopting the technical scheme, the output end of the third cylinder drives the first positioning plate to move, and the output end of the third cylinder drives the second positioning plate to move downwards.

[0011] Optionally, a mounting frame is fixedly installed on one side outer wall of the workbench, and a lighting lamp is arranged on the mounting frame.

[0012] Adopting the technical scheme, the lighting lamp can play a lighting role, and the observation accuracy is improved.

[0013] Optionally, two first telescopic rods are symmetrically and fixedly installed on the top outer wall of the second positioning plate, and a first adjusting bolt is screwed on the outer surface of each of the two first telescopic rods.

[0014] Adopting the technical scheme, the first telescopic rod is fixedly limited by pulling the rotating first adjusting bolt, the position of the sensor can be adjusted, the sensor is prevented from being in contact with water, and the safety and stability during use are improved.

[0015] Optionally, a same mounting frame is fixedly installed on the top end of each of the two first telescopic rods, a plurality of connecting blocks are arranged in the mounting frame, and a sensor is arranged on the outer wall of each of the plurality of connecting blocks.

[0016] Adopting the technical scheme, the mounting frame can play an auxiliary installation role.

[0017] Optionally, a supporting frame is fixedly installed on the top outer wall of the mounting frame, a second telescopic rod is fixedly installed on the supporting frame, a second adjusting bolt is screwed on the outer surface of the second telescopic rod, and a clamping plate is fixedly installed on the output end of the second telescopic rod.

[0018] Adopting the technical scheme, the second telescopic rod is fixedly limited by rotating the second adjusting bolt, the clamping plate can be pulled to move upwards, the plurality of connecting blocks can be clamped and fixed, the plurality of sensors can be disassembled, replaced or maintained, the convenience and flexibility during use are improved.

[0019] Optionally, the top outer wall of the mounting frame is provided with a rectangular slot, the clamping plate is slidingly installed in the rectangular slot, the mounting frame is respectively provided with a controller and a display screen, the display screen is electrically connected with the plurality of sensors, and the controller is electrically connected with the first cylinder, the second cylinder and the third cylinder.

[0020] By the above technical scheme, the position of the workpiece generating bubbles can be sensed by the plurality of sensors, and the signal is transmitted to the display screen, so that the unqualified workpiece can be quickly positioned according to the display screen, and the working efficiency of detection can be improved, and the misjudgment of the worker can be effectively reduced.

[0021] Optionally, the workbench is fixedly installed with a bottom plate, the top outer wall of the bottom plate is fixedly installed with a water pump, one end of the water suction port of the water pump is fixedly connected with a water suction pipe, one end of the water suction pipe penetrates through the outer wall of one side of the water tank and is sealingly installed in the water tank, and one end of the water outlet of the water pump is fixedly connected with a water outlet pipe.

[0022] By the above technical scheme, the water pump is started, the water pump absorbs water into the water tank through the water suction pipe, and discharges the absorbed water to the specified position through the water outlet pipe, so that manual operation is not required, and the labor cost is reduced.

[0023] In summary, the application has the following advantages:

[0024] 1. In the novel application, the placing plate and the like cooperate to control the start of the second cylinder and the third cylinder, the output end of the third cylinder pushes the first positioning plate to move, the output end of the third cylinder drives the second positioning plate to move downward, and the first positioning plate and the second positioning plate can clamp and position the workpiece, the first cylinder is then controlled to start, the output end of the first cylinder drives the placing plate and all the workpieces to move downward and to be lowered below the water in the water tank, whether bubbles are generated can be observed, the detection effect is improved, the detection effect is more accurate, and the working efficiency of detection is improved.

[0025] 2. In the novel application, the sensors cooperate to sense the position of the workpiece generating bubbles by the plurality of sensors, and transmit the signal to the display screen, so that the unqualified workpiece can be quickly positioned according to the display screen, the working efficiency of detection can be improved, and the misjudgment of the worker can be effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is the overall schematic diagram of the application;

[0027] Figure 2 is the detection structure schematic diagram of the application;

[0028] Figure 3 is a schematic diagram of the local expansion structure of the application;

[0029] Figure 4 is a schematic diagram of the pumping structure of the application.

[0030] Mark explanation: in the figure: 1, workbench; 2, installation port; 3, water tank; 4, bottom plate; 5, connecting water pipe; 6, mounting bracket; 7, illuminating lamp; 8, controller; 9, display screen; 10, placing plate; 11, first cylinder; 12, second cylinder; 13, first positioning plate; 14, connecting frame; 15, support frame; 16, third cylinder; 17, second positioning plate; 18, mounting table; 19, rubber block; 20, workpiece; 21, mounting frame; 22, clamping plate; 23, first telescopic rod; 24, first adjusting bolt; 25, connecting block; 26, sensor; 27, rectangular groove; 28, second telescopic rod; 29, second adjusting bolt; 30, water pump; 31, water outlet pipe; 32, water suction pipe. DETAILED DESCRIPTION

[0031] The following will be combined with the Figures 1-4 The application is further described in detail.

[0032] Please refer to Figures 1-3 , air tightness test tool, including workbench 1, installation port 2 opened on workbench 1, water tank 3 fixedly installed in installation port 2, mounting bracket 6 fixedly installed on one side of the outer wall of workbench 1, illuminating lamp 7 arranged on mounting bracket 6, which can play the role of lighting by arranging illuminating lamp 7, thereby improving the accuracy of observation, connecting water pipe 5 arranged on workbench 1 and connected with external water supply pipe, detection mechanism and mounting mechanism arranged in water tank 3, pumping mechanism arranged in water tank 3, which can detect without manual detection, improve the detection effect, make the detection effect more accurate and improve the detection work efficiency;

[0033] The detection mechanism comprises a first cylinder 11 fixedly installed on the inner wall of the bottom of the water tank 3, a placement plate 10 fixedly installed at the output end of the first cylinder 11, a mounting table 18 fixedly installed on the top outer wall of the placement plate 10, a plurality of workpieces 20 arranged on the mounting table 18, a plurality of rubber blocks 19 arranged on the mounting table 18 and used for positioning the mounting workpieces 20, a connecting frame 14 fixedly installed on one side of the outer wall of the placement plate 10, two second cylinders 12 symmetrically fixedly installed on the connecting frame 14, a same first positioning plate 13 fixedly installed at the output end of the two second cylinders 12, two third cylinders 16 fixedly installed on the top outer wall of the placement plate 10, a same second positioning plate 17 fixedly installed at the output end of the two third cylinders 16, a same mounting frame 21 fixedly installed at one end of the top of two first telescopic rods 23, a plurality of connecting blocks 25 arranged in the mounting frame 21, sensors 26 arranged on one side of the outer wall of the connecting blocks 25, and controllers 8 and display screens 9 arranged on the mounting frame 6, wherein the display screens 9 are electrically connected with the plurality of sensors 26, and the controllers 8 are electrically connected with the first cylinder 11, the second cylinder 12 and the third cylinder 16.

[0034] In use, the second cylinder 12 and the third cylinder 16 are controlled to be started, the output end of the third cylinder 16 drives the first positioning plate 13 to move, the output end of the third cylinder 16 drives the second positioning plate 17 to move downward, and then the first positioning plate 13 and the second positioning plate 17 can clamp and position the workpieces 20, at this time, the first cylinder 11 is controlled to be started, the output end of the first cylinder 11 drives the placement plate 10 and all the workpieces 20 to move downward and to be lowered below the water in the water tank 3, so that whether bubbles are generated can be observed, the detection effect is improved, the detection effect is more accurate, and the detection work efficiency is improved.

[0035] The positions of the workpieces 20 generating bubbles can be sensed by the plurality of sensors 26, and signals can be transmitted to the display screen 9, so that unqualified workpieces 20 can be quickly positioned according to the display screen 9, the detection work efficiency can be improved, and the misjudgment of workers can be effectively reduced.

[0036] With reference to Figures 2-3 The mounting mechanism comprises two first telescopic rods 23 fixedly installed on the top outer wall of the second positioning plate 17, first adjusting screws 24 screwed on one side of the outer surfaces of the two first telescopic rods 23, a support frame 15 fixedly installed on the top outer wall of the mounting frame 21, a second telescopic rod 28 fixedly installed on the support frame 15, a second adjusting screw 29 screwed on one side of the outer surface of the second telescopic rod 28, a clamping plate 22 fixedly installed at the output end of the second telescopic rod 28, a rectangular groove 27 formed in the top outer wall of the mounting frame 21, and the clamping plate 22 is slidingly installed in the rectangular groove 27.

[0037] In use, by pulling the rotating first adjusting bolt 24, the fixing of the first telescopic rod 23 can be released, and the position of the sensor 26 can be adjusted to avoid contact with water, thereby improving safety and stability during use. By rotating the second adjusting bolt 29, the fixing of the second telescopic rod 28 can be released, and the clamping plate 22 can be pulled upward, thereby releasing the clamping of the plurality of connecting blocks 25 and allowing the disassembly, replacement or maintenance of the plurality of sensors 26, thereby improving convenience and flexibility during use.

[0038] Referring to Figure 1 and Figure 4 , the pumping mechanism includes a bottom plate 4 fixedly installed on the workbench 1, a water pump 30 fixedly installed on the top outer wall of the bottom plate 4, a water suction pipe 32 fixedly connected to one end of the water suction port of the water pump 30, one end of the water suction pipe 32 penetrating through the outer wall of one side of the water tank 3 and being sealingly installed inside, and a water outlet pipe 31 fixedly connected to one end of the water outlet port of the water pump 30.

[0039] In use, by starting the water pump 30, the water pump 30 absorbs water into the water tank 3 through the water suction pipe 32 and discharges the absorbed water to the designated position through the water outlet pipe 31, thereby eliminating the need for manual operation and reducing labor costs.

[0040] The implementation principle of the present application is as follows: in use, first, water is supplied to the water tank 3 through the connecting water pipe 5, and the water in the water tank 3 is filled to the water level line, then all the workpieces 20 to be detected are placed one by one on the mounting table 18, and the second cylinder 12 and the third cylinder 16 are controlled to be started, the output end of the third cylinder 16 pushes the first positioning plate 13 to move, the output end of the third cylinder 16 drives the second positioning plate 17 to move downward, and the first positioning plate 13 and the second positioning plate 17 can clamp and position the workpiece 20, at this time, the first cylinder 11 is controlled to be started, the output end of the first cylinder 11 drives the placement plate 10 and all the workpieces 20 to move downward and below the water in the water tank 3, thereby observing whether bubbles are generated, improving the detection effect, making the detection effect more accurate, and improving the detection efficiency.

[0041] The plurality of sensors 26 can sense the position of the workpiece 20 generating bubbles and transmit the signal to the display screen 9, thereby quickly positioning the unqualified workpiece 20 according to the display screen 9, thereby improving the detection efficiency and effectively reducing the misjudgment of the workers.

[0042] By pulling the rotating first adjusting bolt 24, the fixing of the first telescopic rod 23 can be released, and then the position of the sensor 26 can be adjusted, avoiding the contact between the sensor 26 and water, improving the safety and stability during use. By rotating the second adjusting bolt 29, the fixing of the second telescopic rod 28 can be released, and then the clamping plate 22 can be pulled to move upward, so that the clamping and fixing of the plurality of connecting blocks 25 can be released, and the disassembly, replacement or maintenance of the plurality of sensors 26 can be completed, improving the convenience and flexibility during use.

[0043] By starting the water pump 30, the water pump 30 absorbs water into the water tank 3 through the water suction pipe 32, and discharges the absorbed water to the designated position through the water outlet pipe 31, so that manual operation is not required, thereby reducing the labor cost.

[0044] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. Airtightness test tooling comprising a work frame (1), characterised in that: The work frame (1) is provided with an installation opening (2), a water tank (3) is fixedly installed in the installation opening (2), the work frame (1) is provided with a connecting water pipe (5) connected with an external water supply pipe, and the water tank (3) is provided with a detection mechanism; The detection mechanism comprises a first air cylinder (11) fixedly installed on the inner wall of the bottom of the water tank (3), an output end of the first air cylinder (11) is fixedly installed with a placing plate (10), the top outer wall of the placing plate (10) is fixedly installed with an installation table (18), the installation table (18) is provided with a plurality of workpieces (20), the installation table (18) is symmetrically provided with a plurality of rubber blocks (19) for positioning and installing the workpieces (20), and the outer wall of one side of the placing plate (10) is fixedly installed with a connecting frame (14).

2. The air tightness test tooling of claim 1, wherein: The top outer wall of the placing plate (10) is symmetrically fixedly installed with two third air cylinders (16), and the output ends of the two third air cylinders (16) are fixedly installed with a same second positioning plate (17).

3. The air tightness test tooling of claim 2, wherein: The outer wall of one side of the work frame (1) is fixedly installed with a mounting frame (6), and the mounting frame (6) is provided with a lighting lamp (7).

4. The air tightness test tooling of claim 3, wherein: The top outer wall of the second positioning plate (17) is symmetrically fixedly installed with two first telescopic rods (23), and the outer surfaces of one side of the two first telescopic rods (23) are screwed with first adjusting bolts (24).

5. The air tightness test tooling of claim 4, wherein: The top ends of the two first telescopic rods (23) are fixedly installed with a same installation frame (21), the installation frame (21) is provided with a plurality of connecting blocks (25), and the outer walls of one side of the plurality of connecting blocks (25) are provided with sensors (26).

6. The air tightness test tooling of claim 5, wherein: The top outer wall of the installation frame (21) is fixedly installed with a supporting frame (15), the supporting frame (15) is fixedly installed with a second telescopic rod (28), the outer surface of one side of the second telescopic rod (28) is screwed with a second adjusting bolt (29), and the output end of the second telescopic rod (28) is fixedly installed with a clamping plate (22).

7. The air tightness test tooling of claim 6, wherein: The top outer wall of the installation frame (21) is provided with a rectangular groove (27), the clamping plate (22) is slidably installed in the rectangular groove (27), the mounting frame (6) is respectively provided with a controller (8) and a display screen (9), the display screen (9) is electrically connected with the plurality of sensors (26), and the controller (8) is electrically connected with the first air cylinder (11), the second air cylinder (12) and the third air cylinder (16).

8. The air tightness test tooling of claim 1, wherein: The work frame (1) is fixedly installed with a bottom plate (4), the top outer wall of the bottom plate (4) is fixedly installed with a water pump (30), one end of the water suction port of the water pump (30) is fixedly connected with a water suction pipe (32), one end of the water suction pipe (32) penetrates through the outer wall of one side of the water tank (3) and is sealingly installed in the water tank (3), and one end of the water outlet of the water pump (30) is fixedly connected with a water outlet pipe (31).

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