Airtightness detection device

Abstract

The utility model provides an airtight detection device, which comprises a bottom plate, a carrier plate, a pressing plate and an airtight structure, and is characterized in that the carrier plate is mounted on the bottom plate, the pressing plate is mounted on the bottom plate through a lifting mechanism, and the pressing plate is located at the top of the carrier plate; and the airtight structure is mounted on the rear side of the bottom plate, is used for being communicated with a product, and is connected with an airtight tester. During use, the heat dissipation piece is placed on the carrier plate to be in contact with the airtight structure, then the lifting mechanism descends to press the heat dissipation piece through the pressing plate, manual operation is not needed in the detection process, meanwhile, the heat dissipation piece can be operated through a mechanical arm in the process of being placed on the carrier plate and taken away from the carrier plate, and the detection efficiency is improved. Therefore, manual operation is not needed in the whole process, manpower is saved, the situation that the heat dissipation pieces are manually connected with the air source one by one is avoided, time is shortened, and efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electronic device airtight detection, especially relates to a airtight detection device. BACKGROUND

[0002] Electronic device can produce heat in the process of using, therefore needs to carry out heat dissipation. The mode of heat dissipation has multiple, has through the fin or cooling medium and carries out heat dissipation, for the mode of heat dissipation with cooling liquid, generally adopts glue to fix cooling piece and electronic device in the place where electronic device needs heat dissipation, and cooling piece is internally provided with cooling medium flow channel. For this kind of heat dissipation mode, the sealing property of heat dissipation piece needs to be guaranteed, prevents cooling medium from leaking. Therefore, generally needs to carry out airtightness detection after production is finished.

[0003] When carrying out airtightness detection, because the heat dissipation piece inside needs to maintain certain air pressure for a period of time, generally is connected directly with the gas source one by one to the heat dissipation piece by artificial, and then adopts hand to press the heat dissipation piece to prevent the heat dissipation piece from shifting under the action of gas when detecting, and this is time-consuming and low in efficiency. UTILITY MODEL CONTENTS

[0004] In view of the above-mentioned defects of prior art, the purpose of the utility model is to provide a airtight detection device for solving the problems of time-consuming and low efficiency caused by collecting parts one by one and connecting with the gas source and needing artificial to press the heat dissipation piece during airtightness detection in prior art.

[0005] To achieve the above-mentioned purpose and other related purposes, the utility model provides a airtight detection device, which comprises: a bottom plate, a carrier plate, a pressing plate and an airtight structure, the carrier plate is installed on the bottom plate, the pressing plate is installed on the bottom plate through a lifting mechanism, and the pressing plate is located on the top of the carrier plate;The airtight structure is installed on the rear side of the bottom plate, the airtight structure is used for communicating with products, and the airtight structure is connected with an airtight tester.

[0006] Further, a plurality of positioning columns are arranged on the carrier plate.

[0007] Further, the lifting mechanism comprises a lifting cylinder, a guide column and a top plate, one end of the guide column is connected to the bottom plate, the other end of the guide column is connected with the top plate, a perforation is arranged on the pressing plate, the guide column passes through the perforation, and the output end of the lifting cylinder is connected with the pressing plate.

[0008] Further, a limiting block is arranged on the guide column.

[0009] Further, a plurality of pressing columns are arranged on one side of the pressing plate close to the carrier plate

[0010] Further, the bottom plate is provided with a moving mechanism for moving the carrier plate; the moving mechanism comprises a moving power, a slide rail and a slide block, the slide block is installed at the bottom of the carrier plate, the moving power and the slide rail are installed on the bottom plate, the slide block is located on the slide rail for sliding, and the moving mechanism is connected with the carrier plate.

[0011] Further, the air tightness detection device further comprises a rack, the bottom plate is installed on the rack, and a pair of beam sensors are installed at the front end of the rack.

[0012] Further, the bottom plate is provided with a mounting plate, the mounting plate comprises a first section, a second section and a third section; the first section is connected with the bottom plate, the second section is vertically arranged with the first section, and the third section is obliquely connected between the second section; and the air tightness structure is installed on the third section.

[0013] Further, a test air cylinder is installed on the third section, and the air tightness structure is installed on the telescopic end of the test air cylinder.

[0014] Further, the air tightness structure comprises a connecting plate and an air tightness head, the connecting plate is installed on the telescopic end of the test air cylinder, one side of the connecting plate is provided with an air inlet, an air flow channel is arranged in the connecting plate, and the air tightness head is in communication with the air flow channel.

[0015] As described above, the application has the following beneficial effects: when the application is used, the heat dissipation piece is placed on the carrier plate and contacts the air tightness structure, then the lifting mechanism is lowered to press the heat dissipation piece through the pressing plate, so that manual operation is not needed in the detection process, and the heat dissipation piece can also be operated by the mechanical hand in the process of being placed on the carrier plate and taken away from the carrier plate, so that the whole process does not need manual operation, manpower is saved, manual connection of the heat dissipation piece and the air source is avoided, time is shortened, and efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure.

[0017] Figure 2 The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure. Figure 1 The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure. Figure 1 The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure. The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure.

[0018] The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure. Figure 3 The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure. Figure 1 The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure. Figure 2 The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure. The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure.

[0019] The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure. Figure 4 The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure. Figure 1 The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure. Figure 3 The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure. The structure schematic diagram of the air tightness detection device provided by the application is shown in the figure.

[0020] PART NUMBER EXPLANATION

[0021] 1 - frame, 2 - base plate, 21 - support plate, 22 - mounting plate, 23 - first section, 24 - second section, 25 - third section, 3 - carrier plate, 31 - positioning column, 4 - pressing plate, 41 - through hole, 5 - airtight structure, 51 - test cylinder, 52 - connecting plate, 53 - airtight head, 54 - air inlet, 6 - lifting mechanism, 61 - lifting cylinder, 62 - guide column, 63 - top plate, 64 - limit block, 65 - pressing column, 7 - moving mechanism, 71 - moving power, 72 - slide rail, 73 - slide block. DETAILED DESCRIPTION

[0022] The following specific embodiments illustrate the embodiments of the present application, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosed content.

[0023] It should be understood that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are only used to understand and read the disclosed content by those skilled in the art, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the disclosed technical content. At the same time, the terms such as "up", "down", "left", "right", "middle" and "one" in the present specification are only for the convenience of clear description, and are not used to limit the scope of the present application. The change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the scope of the present application.

[0024] In order to describe the present application in detail, first, the airtight detection device of the present application will be described in detail.

[0025] As shown in Figures 1 to 4 The present application provides an airtight detection device, which comprises a frame 1, a base plate 2, a carrier plate 3, a pressing plate 4 and an airtight structure 5. The base plate 2 is installed on the frame 1, and the frame 1 is provided with a pair of detection sensors. The carrier plate 3 is installed on the base plate 2 through a moving mechanism 7, and the moving mechanism 7 enables the carrier plate 3 to move relative to the base plate 2. In order to prevent the heat dissipation piece from moving during movement or testing, a plurality of positioning columns 31 are arranged on the carrier plate 3. The mechanical hand installs the heat dissipation piece on the carrier plate 3, and the positioning column 31 is inserted into the positioning hole on the heat dissipation piece for positioning.

[0026] The moving mechanism 7 comprises a moving power 71, a slide rail 72 and a slide block 73. The slide block 73 is installed on the bottom of the carrier plate 3, the moving power 71 and the slide rail 72 are installed on the bottom plate 2, and the slide block 73 slides on the slide rail 72. The bottom of each carrier plate 3 is provided with two guide rails, and two slide blocks 73 are installed on each guide rail.

[0027] The moving power 71 can be a cylinder, a lead screw or a hydraulic cylinder. In this embodiment, a cylinder is used. A connecting hole is provided on the carrier plate 3, and a vertical connecting rod is connected to the telescopic end of the cylinder. The connecting rod passes through the connecting hole to connect the moving power 71 and the carrier plate 3. Two oppositely arranged L-shaped support plates 21 are installed on the carrier plate 3. The bottom of the support plate 21 is connected to the bottom plate 2, and the vertical section of the moving power 71 is installed on the vertical section of the support plate 21. A through hole is provided on the support plate 21 near the output end of the moving power 71, and the telescopic end of the cylinder passes through the through hole to move.

[0028] The pressing plate 4 is installed on the bottom plate 2 by the lifting mechanism 6, and the pressing plate 4 is located on the top of the carrier plate 3. The lifting mechanism 6 controls the descent or ascent of the pressing plate 4.

[0029] The lifting mechanism 6 comprises a lifting cylinder 61, a guide column 62 and a top plate 63. One end of the guide column 62 is connected to the bottom plate 2, and the other end of the guide column 62 is connected to the top plate 63. A through hole 41 is provided on the pressing plate 4, the guide column 62 passes through the through hole 41, and the output end of the lifting cylinder 61 is connected to the pressing plate 4.

[0030] In some embodiments, only two guide columns 62 are needed. The guide columns 62 can be arranged on the diagonal lines, so as to provide support for the top plate 63 and guide the lifting of the pressing plate 4. Further, the guide columns 62 are preferably four, which are installed on the four corners, so as to provide more balanced support for the top plate 63.

[0031] Different heat dissipation pieces have different thicknesses. If different stroke lifting cylinders 61 are required for different products, this will increase the cost. Therefore, in some embodiments, a limiting block 64 is installed on the guide column 62 to adjust the descending stroke of the lifting cylinder 61. For different thicknesses of products, the height of the limiting block 64 can be adjusted. The limiting block 64 is installed on the guide column 62 by bolts.

[0032] If the pressing plate 4 is directly used to press the heat dissipation piece, since the shape of the heat dissipation piece is various, the side facing the pressing plate 4 may be uneven. If a flat pressing plate 4 is directly used to press the heat dissipation piece, the effective contact position between the pressing plate 4 and the heat dissipation piece may only have one point. Therefore, different pressing plates 4 are required for different heat dissipation pieces, which results in a large number of pressing plates 4.

[0033] In some embodiments, in order to make the pressing plate 4 structure applicable to various types of heat dissipation pieces, a plurality of pressing columns 65 are installed on the side of the pressing plate 4 close to the carrier plate 3, so that when the heat dissipation piece is pressed, the pressing columns 65 are in contact with the heat dissipation piece, rather than the whole pressing plate 4, on the one hand, the contact area of the pressing plate 4 with the heat dissipation piece is reduced to prevent scratching the heat dissipation piece, on the other hand, according to different heat dissipation pieces, only the position of the pressing column 65 on the pressing plate 4 needs to be adjusted, thereby reducing the number of pressing plates 4 and improving the universality.

[0034] In some embodiments, the number of pressing columns 65 is at least two, preferably three or four, if there are three pressing columns 65, the shape of the pressing columns 65 is arranged in a triangular shape, and if there are four pressing columns 65, they can be arranged in a polygon.

[0035] The air-tight structure 5 is installed on the back side of the bottom plate 2, and is used to communicate with the heat dissipation piece product. The air-tight structure 5 is connected with an air-tight tester, which is installed in the cabinet of the rack 1.

[0036] The air-tight structure 5 is installed on the back side of the bottom plate 2, and is used to communicate with the heat dissipation piece product. The air-tight structure 5 is connected with an air-tight tester, which is installed in the cabinet of the rack 1.

[0037] The mounting plate 22 includes a first section 23, a second section 24 and a third section 25. The first section 23 is connected with the bottom plate 2, the second section 24 is arranged vertically with the first section 23, and the third section 25 is connected with the second section 24 at an angle. The air-tight structure 5 is installed on the third section 25. Among them, the third section 25 and the first section 23 are respectively directed to different directions of the second section 24. In this embodiment, the first section 23 is directed to the side of the carrier plate 3, and the third section 25 is directed to the side away from the carrier plate 3.

[0038] In order to realize automation in the whole test process, a test air cylinder 51 is installed on the third section 25, and the third section 25 is arranged at an angle so that it can smoothly contact the connecting port of the heat dissipation piece.

[0039] The air-tight structure 5 includes a connecting plate 52 and an air-tight head 53. The connecting plate 52 is installed on the telescopic end of the test air cylinder 51, one side of the connecting plate 52 is provided with an air inlet 54, the air inlet 54 is connected with the air-tight tester, the connecting plate 52 is provided with an air flow channel, and the air-tight head 53 is in communication with the air flow channel. Generally, the connecting port of the heat dissipation piece includes an inlet and an outlet, so two air-tight heads 53 are arranged on the connecting plate 52 to block the inlet and outlet of the heat dissipation piece at the same time during testing. The inner diameter of the air-tight head 53 matches the outer diameter of the connecting port of the heat dissipation piece, so that the air-tight head 53 wraps the connecting port of the heat dissipation piece during testing. The connecting plate 52 is provided with an air outlet hole, which is located inside the air-tight head 53.

[0040] The display screen and the alarm lamp can be installed on the frame 1, the test result can be directly observed through the display screen, and the alarm lamp flashes to remind the staff if the test is unqualified or other problems occur.

[0041] Working process: the moving power 71 moves the carrier plate 3 out of the frame 1, the manipulator places the heat dissipation piece on the carrier plate 3, the heat dissipation piece is limited through the positioning column 31, then the moving power 71 moves the carrier plate 3 to below the pressing plate 4, the against-sending sensor detects that the manipulator moves away, the lifting cylinder 61 controls the pressing plate 4 to descend, the pressing column 65 contacts the heat dissipation piece, the pressing column 65 presses the heat dissipation piece, the test cylinder 51 extends the airtight head 53 to contact the inlet and outlet of the heat dissipation piece, and the airtight tester detects the heat dissipation piece in inflation. After detection, the lifting cylinder 61 moves the pressing plate 4 upward, the test cylinder 51 is retracted, the moving power 71 moves the carrier plate 3 outward, the manipulator moves away the heat dissipation piece, then the heat dissipation piece to be tested is installed on the carrier plate 3, and the cycle is repeated.

[0042] The above embodiment only illustrates the principle and effect of the utility model, and is not used to limit the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A gas tightness detection device, characterized in that, The utility model relates to a kind of air-tightness testing device, including: Bottom plate, carrier plate, pressing plate and air-tight structure, the carrier plate is installed on the bottom plate, the pressing plate is installed on the bottom plate by lifting mechanism, the pressing plate is located on the top of the carrier plate;The air-tight structure is installed on the rear side of the bottom plate, the air-tight structure is used to communicate with product, and the air-tight structure is connected with air-tight tester.

2. The air tightness testing apparatus of claim 1, wherein, A plurality of positioning columns are arranged on the carrier plate.

3. The air tightness testing apparatus of claim 1, wherein, The lifting mechanism includes lifting cylinder, guide column and top plate, one end of the guide column is connected to the bottom plate, the other end of the guide column is connected with top plate, the pressing plate is provided with perforation, the guide column passes through the perforation, and the output end of the lifting cylinder is connected with the pressing plate.

4. The air tightness testing apparatus of claim 3, wherein, Limiting block is arranged on the guide column.

5. The air tightness testing apparatus according to any one of claims 1 to 4, wherein A plurality of pressing columns are arranged on the side of the pressing plate close to the carrier plate.

6. The air tightness detecting apparatus according to claim 1 or 3, wherein A moving mechanism is arranged on the bottom plate, and the moving mechanism is used to move the carrier plate;The moving mechanism includes moving power, slide rail and sliding block, the sliding block is installed on the bottom of the carrier plate, the moving power and the slide rail are installed on the bottom plate, and the sliding block is located on the slide rail and slides.

7. The air tightness testing apparatus of claim 6, wherein, The air-tightness testing device further includes rack, the bottom plate is installed on the rack, and a front end of the rack is provided with a pair of detection sensors.

8. The air tightness detection apparatus according to claim 1, wherein Mounting plate is arranged on the bottom plate, and the mounting plate includes first section, second section and third section;The first section is connected with the bottom plate, the second section is arranged perpendicularly with the first section, and the third section is connected between the second section and the third section at an angle, and the air-tight structure is installed on the third section.

9. The air tightness detection apparatus according to claim 8, characterized in that, Test cylinder is installed on the third section, and the air-tight structure is installed on the telescopic end of the test cylinder.

10. The air tightness detection apparatus according to claim 9, wherein The air-tight structure includes connecting plate and air-tight head, the connecting plate is installed on the telescopic end of the test cylinder, one side of the connecting plate is provided with air inlet, air flow channel is arranged in the connecting plate, and the air-tight head is communicated with the air flow channel.

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