Multi-station airtight test fixture

Abstract

The utility model discloses a multi-station airtight test fixture. The multi-station airtight test fixture comprises a base, a reference positioning block, a quick clamp and a movable pushing block, the movable pushing block is assembled between the reference positioning block and the quick clamp; a workpiece placing position is formed between the movable pushing block and the reference positioning block; the reference positioning block is provided with a positioning hole; and the quick clamp drives the movable pushing block to move towards the reference positioning block so as to push the workpiece to move, so that the air inlet and the air outlet of the workpiece are connected with the positioning hole of the reference positioning block. According to the utility model, the sealing performance of a plurality of workpieces can be tested at one time, and the detection efficiency is improved; the multi-station airtightness test fixture is compact in structure, can quickly connect the workpiece with the reference positioning block, is used together with airtightness detection equipment, and can achieve the effects of quickness, convenience, flexible and agile action, high test efficiency, stability and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to test fixture technical field more specifically relates to multi -station type air -tight test fixture. BACKGROUND

[0002] At present, in the industrial application aspect, in order to have better heat dissipation performance, usually adopt two big types radiator of air cooling and liquid cooling to heat generating element of mechanical, electronic equipment and carry out heat dissipation cooling, make equipment and electronic component have higher efficiency work, and most of the liquid cooling plate radiator product usually has least one water inlet and water outlet (most is mainly with pagoda head type), and the liquid cooling plate radiator has multiple water channels or is connected by copper pipe, aluminium pipe, like this can give full play to the advantage of water cooling, can take away more heat. But liquid cooling plate radiator needs to adopt air -tight detection device to carry out air -tightness detection to the overall cooling water channel of liquid cooling plate radiator after processing and making, guarantees that liquid cooling plate radiator can not appear leakage phenomenon, enhances the stability in the use process.

[0003] At present, the following common method is used to carry out air -tight test to liquid cooling plate radiator: use hose to insert the pagoda head of the water inlet and water outlet of cooling plate radiator, then use the hose clamp to fix and test it, using this method in the actual process, need to insert the pipe manually first, then slowly tighten the screw on the hose clamp, and only one product can be tested at a time, thereby causing the problems of frequent clamping, long clamping time, low test efficiency, high cost etc. ; And after completing the test, the hose is difficult to pull out, and the pagoda head of the water inlet and water outlet is easy to deform.

[0004] Thus, the prior art still needs to be improved and improved. INVENTION CONTENTS

[0005] Therefore, the utility model provides a kind of multi -station type air -tight test fixture, the jig not only can test multiple products at a time, test efficiency is high, and structure is simple, and processing cost is low, practicality is strong, and there is reliability and stability.

[0006] The utility model discloses the following technical scheme: a kind of multi -station type air -tight test fixture, comprising: base, reference positioning block, quick clamp and mobile push block;The mobile push block is assembled between reference positioning block and quick clamp;The position that the mobile push block and reference positioning block form is placed workpiece;The reference positioning block is provided with positioning hole;The quick clamp drives mobile push block to move towards reference positioning block, in turn, workpiece is moved, and the air inlet and air outlet of workpiece are connected with the positioning hole of reference positioning block.

[0007] As a preferred scheme of the utility model, the mobile push block is limited to the base by fixed block, so that the mobile push block can only move on the base close to and away from the reference positioning block.

[0008] As a preferred scheme of the utility model, the mobile push block is provided with a T-shaped groove on one side corresponding to the quick clamp; the front end of the push rod of the quick clamp is clamped in the T-shaped groove to push the mobile push block to move.

[0009] As a preferred scheme of the utility model, the base is provided with a protrusion for limiting and installing the workpiece.

[0010] As a preferred scheme of the utility model, the datum positioning block is connected with an air pipe, the datum positioning block is provided with a first positioning hole and a second positioning hole, and the air pipe is communicated with the first positioning hole; after the quick clamp drives the mobile push block to move towards the datum positioning block, the air inlet and the first positioning hole, the air outlet and the second positioning hole are correspondingly communicated, and the fluid flows through the first positioning hole, the air inlet, the inside of the workpiece, the air outlet and the second positioning hole in sequence from the air pipe.

[0011] As a preferred scheme of the utility model, the air pipe is connected with the air tightness detection equipment.

[0012] As a preferred scheme of the utility model, the air pipe is connected with the datum positioning block through a joint.

[0013] As a preferred scheme of the utility model, the first positioning hole and the second positioning hole are provided with sealing rings.

[0014] As a preferred scheme of the utility model, the fixed block is partially covered on the mobile push block, the fixed block is provided with clamping protrusions protruding towards the base, and spaces for assembling the mobile push block are formed between adjacent clamping protrusions.

[0015] According to the above technical scheme, compared with the prior art, the utility model has the following beneficial technical effects:

[0016] 1. The utility model can test the sealing performance of multiple workpieces at a time, and improve the detection efficiency.

[0017] 2. The utility model has compact structure, can quickly connect the workpiece with the datum positioning block, and is used together with the air tightness detection equipment, can achieve the effects of fast and convenient operation, smart and agile action, high testing efficiency and stability.

[0018] The remaining beneficial technical effects of the utility model are embodied in the specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only the embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the premise of not paying creative effort.

[0020] Figure 1 It is a schematic view before the present application installs the workpiece;

[0021] Figure 2 It is a schematic view after the present application installs the workpiece;

[0022] Figure 3 It is an exploded view of the present application;

[0023] Figure 4 It is a partial schematic view of the present application. DETAILED DESCRIPTION

[0024] The present application will be further described in detail in combination with the drawings. These drawings are all simplified schematic views, and only schematically show the basic structure of the present application, so they only show the components related to the present application.

[0025] A multi-station type air tightness test fixture, please refer to Figures 1-4 As shown, it comprises a base 100, a reference positioning block 200, a quick clamp 300 and a moving push block 400.

[0026] The base 100 serves as a carrier, as Figure 3 As shown, the base 100 is a plate, and the reference positioning block 200, the quick clamp 300 and the moving push block 400 are installed on the upper surface of the base 100.

[0027] Alternatively, the base 100 can also be designed as a rack or other shapes, as long as it can play the role of support and carrier.

[0028] As Figure 1 As shown, the reference positioning block 200, the quick clamp 300 and the moving push block 400 are arranged in a straight line, and the moving push block 400 is assembled between the reference positioning block 200 and the quick clamp 300; the moving push block 400 and the reference positioning block 200 form a position for placing the workpiece 00;

[0029] Here, the workpiece 00 refers to a liquid cooling plate radiator, and the liquid cooling plate radiator has multiple water channels or is connected by copper pipes and aluminum pipes, so that the advantages of water cooling can be fully utilized, and more heat can be removed. However, after the liquid cooling plate radiator is manufactured and completed, an air tightness detection device needs to be used to detect the air tightness of the overall cooling water channel of the liquid cooling plate radiator to prevent water leakage and affect the heat dissipation effect of the liquid cooling plate radiator.

[0030] The reference positioning block 200 is provided with a positioning hole; the quick clamp 300 drives the moving push block 400 to move towards the reference positioning block 200, and then pushes the workpiece 00 to move, so that the air inlet 01 and the air outlet 02 of the workpiece 00 are connected with the positioning hole of the reference positioning block 200, and the sealing performance of the workpiece 00 is further measured.

[0031] In this embodiment, the multi-station air tightness test fixture is provided with multiple reference positioning blocks 200, quick clamps 300 and moving push blocks 400, thereby forming multiple test stations, and multiple workpieces 00 can be tested for air tightness at one time, thereby improving the test efficiency.

[0032] More specifically, the multi-station air tightness test fixture of this embodiment is provided with six test stations, and six workpieces 00 can be tested for air tightness at one time.

[0033] Of course, the number of stations can be increased or decreased according to actual needs.

[0034] As shown in FIGS. Figure 1 and Figure 3 The quick clamp 300 is a common quick clamp structure on the market, and the actuating part thereof is triggered by applying force, so that the push rod 310 can be moved, and then the moving clamping block 400 can be moved.

[0035] In one embodiment, the moving push block 400 is limited on the base 100 by the fixing block 500, so that the moving push block 400 can only move towards and away from the reference positioning block 200 on the base 100;

[0036] Specifically, the fixing block 500 is partially covered on the moving push block 400, and the fixing block 500 is provided with clamping protrusions 510 protruding towards the base 100, and the space for assembling the moving push block 400 is formed between adjacent clamping protrusions 510; then the moving push block 400 is limited to move only in the direction of approaching and away from the reference positioning block 200, and cannot move in other directions, so as to ensure that the moving push block 400 pushes the workpiece 00 to move, and the moving push block 400 can accurately connect the workpiece 00 with the reference positioning block 200.

[0037] In one embodiment, the moving push block 400 is provided with a T-shaped slot 410 on one side of the quick clamp 300; the front end of the push rod 310 of the quick clamp 300 is provided in the T-shaped slot 410 to push the moving push block 400 to move.

[0038] The T-shaped slot 410 penetrates the moving push block 400 from top to bottom, and when installed, the moving push block 400 is installed on the base 100 from top to bottom, and the front end of the push rod 310 is inserted into the T-shaped slot 410, so that the quick clamp 300 pushes the moving push block 400 to move.

[0039] Further, the base 100 is provided with a protrusion 110 for limiting the installation of the workpiece 00, and after the workpiece 00 is assembled on the base 100, the protrusion 110 limits the workpiece 00 to move only in a straight line, preventing the workpiece 00 from deviating from the position when moving.

[0040] Specifically, the bottom surface of the workpiece 00 can be provided with a groove, and the length of the groove is greater than the length of the protrusion 110, and then the protrusion 110 and the groove are matched to realize positioning, and when the workpiece 00 moves in a straight line, the protrusion 110 can also move in the groove.

[0041] In one embodiment, the reference positioning block 200 is connected with an air pipe 600, the reference positioning block 200 is provided with a first positioning hole 201 and a second positioning hole 202, and the air pipe 600 communicates with the first positioning hole 201; after the quick clamp 300 drives the moving push block 400 to move towards the reference positioning block 200, the air inlet 01 and the first positioning hole 201, the air outlet 02 and the second positioning hole 202 are correspondingly communicated, and the fluid flows from the air pipe 600 to the first positioning hole 201, the air inlet 01, the inside of the workpiece, the air outlet 02 and the second positioning hole 202 in sequence.

[0042] Further, the air pipe 600 is connected with the reference positioning block 200 through a joint 610;

[0043] Further, the first positioning hole 201 and the second positioning hole 202 are provided with a sealing ring 203, and specifically, the sealing ring 203 is a butyl rubber O-shaped sealing ring;

[0044] Further, the air pipe 600 is connected with a gas tightness detection device, which can be a pressure gas supply device, a barometer, etc.

[0045] Further, the workpiece 00 is provided with an inlet and outlet water lotus head, which communicates with the water channel inside the workpiece, and the inlet and outlet water lotus head is correspondingly provided with the air inlet 01 and the air outlet 02, and when the moving push block 400 pushes the workpiece 00 to move towards the reference positioning block 200, the air inlet 01 is inserted into the first positioning hole 201, and the air outlet 02 is inserted into the second positioning hole 202.

[0046] The working principle of the utility model is further explained as follows:

[0047] (1) first, the workpiece 00 (liquid cooling plate radiator) to be tested is placed on the base 00, and then the quick clamp 300 is manually triggered, the workpiece 00 is pushed forward by moving the push block 400, and when the inlet and outlet water spout heads are connected with the first positioning hole 201 and the second positioning hole 202 on the side surface of the reference positioning block 200, the workpiece 00 can be positioned.

[0048] (2) when the inlet and outlet water spout heads of the workpiece 00 (liquid cooling plate radiator) are in contact with the butadiene rubber O-shaped sealing ring installed in the reference positioning block, a sealing effect is generated.

[0049] (3) after the air pipe 600 on the multi-station air tightness testing fixture is connected with the air tightness detection equipment, the air tightness detection equipment can be started to detect the sealing performance of the workpiece 00 (liquid cooling plate radiator).

[0050] When the air tightness test is performed, the test is performed below the water level, when the workpiece 00 leaks, the gas leaks, and the tester can directly observe that bubbles are generated in the water, proving that the workpiece 00 leaks.

[0051] The air tightness detection equipment can also be provided with a pressure gauge, if the sealing performance of the workpiece 00 is good, the gas enters the workpiece 00, when the input pressure is Xpa, the pressure value detected in the pressure gauge is also Xpa; if the workpiece 00 leaks, the pressure value detected in the pressure gauge is lower than Xpa.

[0052] The multi-station air tightness testing fixture can test multiple workpieces at a time, has high efficiency, and has a simple test mode.

[0053] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multi-station hermetic test fixture, comprising: The utility model relates to a workpiece positioning device, including: Base (100), reference positioning block (200), quick clamp (300) and mobile push block (400); The mobile push block (400) is assembled between the reference positioning block (200) and the quick clamp (300), and a position for placing the workpiece (00) is formed between the mobile push block (400) and the reference positioning block (200); The reference positioning block (200) is provided with a positioning hole; The quick clamp (300) drives the mobile push block (400) to move towards the reference positioning block (200), and then pushes the workpiece (00) to move, so that the air inlet (01) and the air outlet (02) of the workpiece (00) are connected with the positioning hole of the reference positioning block (200).

2. The multi-station hermetic test fixture of claim 1, wherein: The mobile push block (400) is limited to the base (100) through the fixing block (500), so that the mobile push block (400) can only move towards and away from the reference positioning block (200) on the base (100).

3. The multi-station hermetic test fixture of claim 1, wherein: The mobile push block (400) is provided with a T-shaped groove (410) on the side corresponding to the quick clamp (300); The front end of the push rod (310) of the quick clamp (300) is clamped in the T-shaped groove (410) to push the mobile push block (400) to move.

4. The multi-station hermetic test fixture of claim 1, wherein: The base (100) is provided with a convex block (110) for limiting and installing the workpiece (00).

5. The multi-station hermetic test fixture of claim 1, wherein: The reference positioning block (200) is connected with an air pipe (600), the reference positioning block (200) is provided with a first positioning hole (201) and a second positioning hole (202), and the air pipe (600) communicates with the first positioning hole (201); After the quick clamp (300) drives the mobile push block (400) to move towards the reference positioning block (200), the air inlet (01) and the first positioning hole (201), the air outlet (02) and the second positioning hole (202) are correspondingly communicated, and fluid flows from the air pipe (600) to the first positioning hole (201), the air inlet (01), the inside of the workpiece, the air outlet (02) and the second positioning hole (202) in sequence.

6. The multi-station hermetic test fixture of claim 5, wherein: The air pipe (600) is connected with a gas-tight detection device.

7. The multi-station hermetic test fixture of claim 5, wherein: The air pipe (600) is connected with the reference positioning block (200) through a joint (610).

8. The multi-station hermetic test fixture of claim 5, wherein: The first positioning hole (201) and the second positioning hole (202) are provided with a sealing ring (203).

9. The multi-station hermetic test fixture of claim 2, wherein: The fixing block (500) is partially covered on the mobile push block (400), the fixing block (500) is provided with clamping protrusions (510) protruding towards the base (100), and the clamping protrusions (510) are adjacent to each other to form a space for assembling the mobile push block (400).

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