CN210802815U

CN210802815U - Vacuum leak hunting machine

Info

Publication number: CN210802815U
Application number: CN201922260955.1U
Authority: CN
Inventors: 王勇来
Original assignee: Huizhou Liyang Intelligent Technology Co ltd
Current assignee: Huizhou Liyang Intelligent Technology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-06-19
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to a vacuum leak hunting machine. The air leakage detection device comprises a cabinet, wherein an air storage tank and an air leakage detection device are fixedly arranged in the cabinet, the air leakage detection device comprises an air path pipe, a vacuum meter is arranged on the air path pipe, one end of the air path pipe is connected with the air storage tank through an air suction pipe and a vacuum pump, the other end of the air path pipe is connected with a workpiece clamping device, and an air hole is formed in the workpiece clamping device. The utility model discloses whether the gas tightness of work piece is judged to the situation of change through the data display of vacuum table promptly is good, and this kind of detection means measures accurately, and the result is clear and definite and surveyability, has improved the detection efficiency of work piece.

Description

Vacuum leak hunting machine

Technical Field

The utility model relates to a gas leakage detection technical field especially relates to a vacuum leak hunting machine.

Background

When the mobile phone runs at high frequency under the conditions of playing games or making calls and the like, obvious heating can occur, and if the heat dissipation is not timely, the internal hardware of the mobile phone can be damaged due to overhigh temperature, so that the service life of the mobile phone is influenced. Therefore, when assembling the mobile phone, a heat sink is usually added in the mobile phone, and the heat sink is formed by welding two ultrathin materials after being attached. However, in order to provide a good heat dissipation effect to the heat sink, the air tightness needs to be ensured, so that the air tightness needs to be checked before the heat sink is installed. The existing detection means usually immerses the heat sink into a water pool, observes whether bubbles are generated, and if the bubbles are generated, the air leakage of the heat sink is indicated, and the heat sink belongs to a defective product. However, this detection method has a disadvantage of being inaccurate, and since observation is performed manually, bubbles are easily overlooked when they are small, resulting in a misjudgment. In addition, when a large number of fins are immersed together in a pool of water for inspection, it is difficult to discern which fin the blister is producing. Therefore, this detection method has a major drawback.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses an inaccurate technical problem when solving cell-phone fin and detecting whether gas leakage provides a vacuum leak hunting machine.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a vacuum leak hunting machine, includes the rack, rack internal fixation is equipped with gas holder and gas leakage detection device, gas leakage detection device includes the gas circuit pipe, be equipped with the vacuum table on the gas circuit pipe, the one end of gas circuit pipe is passed through breathing pipe and vacuum pump and gas tank connection, the other end of gas circuit pipe is connected with the work piece clamping device, be equipped with the gas pocket in the work piece clamping device. The workpiece clamping device clamps the workpiece, is connected with the air hole and blocks the air hole by using the workpiece, so that the air storage tank can only extract air in the workpiece when exhausting air, and if the workpiece does not leak air, no extra air flow passes through the air hole, and the vacuum meter is not changed; if the inside of the workpiece leaks air, the air storage tank can extract the air inside the workpiece, or the outside air enters the air hole through the leaked workpiece, and the vacuum meter changes at the moment. The utility model discloses whether the gas tightness of work piece is judged to the change of data display through the vacuum table promptly is good, and this kind of detection means measures accurately, and the result is clear and definite and surveyability.

Further, the workpiece clamping device comprises a connecting cavity and a clamping block, one end of the connecting cavity is fixedly connected with the air passage pipe, the other end of the connecting cavity is connected with the clamping block through a connecting pipe, and an air hole in the workpiece clamping device is connected with the connecting cavity, the connecting pipe and the clamping block in a penetrating mode. The workpiece clamping device is mainly used for connecting a workpiece and the air path pipe, the workpiece and the air path pipe are required to be connected in a sealing mode, the workpiece and the clamping block can be connected in a sealing mode through the sealing washer or the sealing rubber strip, the workpiece and the air hole are connected in a seamless mode, and the air storage tank is prevented from directly pumping outside air.

Furthermore, a vacuum valve is further arranged on the air path pipe and is positioned on the side surface of the air path pipe. The vacuum valve is used for opening or closing the air pumping function of the air storage tank on the air path pipe, so that the flexibility of the detection process is realized, the continuous opening of the air storage tank is avoided, the resources are saved, and the enterprise cost is reduced.

Furthermore, the gas leakage detection devices are independently arranged and are respectively connected with the gas storage tank, and each gas leakage detection device is respectively connected with the gas storage tank through a vacuum pump and a gas suction pipe. The connection between a plurality of gas leakage detection devices and the gas holder is independent connection, and the gas leakage detection devices do not interfere with each other and can work independently. Because the volume of gas holder can be a lot of for the work piece, if a work piece of gas holder test, can lead to the idleness and the waste of resource unavoidably, consequently, adopt a gas holder to bleed the mode that detects for a plurality of gas leakage detection device, can further utilize idle resource, also can improve the detection efficiency of work piece simultaneously, practice thrift cost in business.

Further, a cross beam is fixedly arranged in the cabinet, and the air leakage detection device and the air storage tank are respectively fixed on two opposite sides of the cross beam. The gas holder adopts the mode that the level set up, and gas leakage detection adopts the mode of vertical setting, and the two all sets up through the crossbeam is fixed to be located relative front and back position, should set up and can utilize the inside space of rack to a great extent, can make the machine more pleasing to the eye when conveniently dismantling the maintenance.

Further, the air leakage detection device is fixed on the cross beam through a fixing block, and the air storage tank is fixed on the cross beam through a fixing support. The fixed block and the fixed support are both used for improving the fixed area of the joint of the air leakage detection device or the air storage tank and the cross beam so as to enhance the stability of the air leakage detection device and the air storage tank.

Further, the cabinet is further provided with a working window, the working window is positioned on the surface opposite to the air leakage detection device, and the workpiece is replaced through the working window. The working window is also an observation window for observing the vacuum gauge and installing or replacing the workpiece.

Further, the rack is square, the rack bottom is equipped with the truckle, the truckle is a plurality of and locates the four corners department of rack respectively. The purpose that the truckle set up is in order to make things convenient for the transfer of machine, has alleviateed the degree of difficulty of machine in the removal process.

The utility model discloses compare in prior art's beneficial effect and be:

the utility model discloses a vacuum leak hunting machine for detect the gas tightness of fin, include the gas circuit pipe with gas holder sealing connection, with gas circuit pipe sealing connection's work piece clamping device, with work piece and the sealed clamping of work piece clamping device during the use, consequently bleed during the gas holder, can only extract the inside gas of work piece, detect the work piece through the vacuum table whether inside has the gas's of work piece the gas tightness is judged to the mode. The utility model discloses whether the gas tightness of work piece is judged to the change of data display through the vacuum meter promptly is good, and this detection means measures accurately, and the result is clear and definite and surveyability, has avoided the condition of judging the error, has improved the detection efficiency of work piece product.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an air leakage detecting device according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of the air leakage detecting device according to the embodiment of the present invention.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to specific embodiments and drawings.

Referring to fig. 1-3, a preferred embodiment of the present invention is as follows.

As shown in fig. 1, a vacuum leak detector comprises a cabinet 1, wherein an air storage tank 2 and an air leakage detection device 3 are fixedly arranged in the cabinet 1, the air leakage detection device 3 comprises an air path pipe 31, a vacuum meter 32 is arranged on the air path pipe 31, one end of the air path pipe 31 is connected with the air storage tank 2 through an air suction pipe and a vacuum pump, the other end of the air path pipe 31 is connected with a workpiece clamping device 33, and an air hole is formed in the workpiece clamping device 33. The utility model clamps the workpiece 9 through the workpiece clamping device 33, is connected with the air hole and blocks the air hole by using the workpiece 9, so that the air storage tank 2 can only extract the air in the workpiece 9 when pumping air, if the workpiece 9 does not leak air, no extra air flow can pass through the air hole, and the vacuum meter 32 can not be changed; if gas leaks from the inside of the workpiece 9, the gas tank 2 draws gas from the inside of the workpiece 9, or external gas enters the gas hole through the leaked workpiece 9, and the vacuum gauge 32 changes. The utility model discloses whether the gas tightness of work piece 9 is judged through the change of the data display of vacuum gauge 32 promptly is good, and this kind of detection means measures accurately, and the result is clear and definite and surveyability.

As shown in fig. 2 and 3, the workpiece clamping device 33 includes a connecting cavity 331 and a clamping block 333, one end of the connecting cavity 331 is fixedly connected to the air passage pipe 31, the other end of the connecting cavity 331 is connected to the clamping block 333 through a connecting pipe 332, and an air hole in the workpiece clamping device 33 penetrates through the connecting cavity 331, the connecting pipe 332 and the clamping block 333. The workpiece clamping device 33 is mainly used for connecting the workpiece 9 and the air passage pipe 31, the workpiece 9 and the air passage pipe 31 need to be connected in a sealing mode, the workpiece 9 and the clamping block 333 can be connected in a sealing mode through the sealing gaskets or the sealing rubber strips, the workpiece 9 and the air holes are connected in a seamless mode, and external air is prevented from being directly pumped out of the air storage tank 2.

The air passage pipe 31 is further provided with a vacuum valve 34, and the vacuum valve 34 is positioned on the side surface of the air passage pipe 31. The vacuum valve 34 is used for opening or closing the air pumping function of the air storage tank 2 on the air path pipe 31, so that the flexibility of the detection process is realized, the continuous opening of the air storage tank 2 is avoided, the resources are saved, and the enterprise cost is reduced.

The gas leakage detection devices 3 are independently arranged and are respectively connected with the gas storage tank 2, and each gas leakage detection device 3 is respectively connected with the gas storage tank 2 through a vacuum pump and a gas suction pipe. The connection between a plurality of gas leakage detection device 3 and gas holder 2 is independent connection, does not interfere with each other between the gas leakage detection device 3, can work alone. . Because the volume of gas holder 2 can be a lot of for work piece 9, if a work piece is tested to a gas holder 2, can lead to the idle and the waste of resource unavoidably, consequently, adopt a gas holder 2 to be the setting mode that a plurality of gas leakage detection device 3 bled air and detect, can further utilize idle resource, also can improve the detection efficiency of work piece 9 simultaneously, practice thrift cost in business.

A beam 4 is fixedly arranged in the cabinet 1, and the air leakage detection device 3 and the air storage tank 2 are respectively fixed on two opposite sides of the beam 4. Gas holder 2 adopts the mode that the level set up, and gas leakage detection adopts the mode of vertical setting, and the two all sets up through crossbeam 4 is fixed to be located relative front and back position, should set up and can utilize the space of 1 inside of rack to a great extent, can make the machine more pleasing to the eye when conveniently dismantling the maintenance. Wherein, the gas leakage detection device 3 is fixed on the beam 4 through the fixing block 6, and the gas storage tank 2 is fixed on the beam 4 through the fixing bracket 5. Fixed block 6 and fixed bolster 5 all are used for improving the fixed area of gas leakage detection device 3 or gas holder 2 and the 4 junctions of crossbeam to strengthen gas leakage detection device 3 and gas holder 2's steadiness.

The cabinet 1 is further provided with a working window 8, the working window 8 is located on the surface opposite to the air leakage detection device 3, and the workpiece 9 is replaced through the working window 8. The working window 8 is also an observation window for observing the vacuum gauge 32, and installing or replacing the workpiece. The cabinet 1 is square cabinet 1, and 1 bottom of cabinet is equipped with truckle 7, and truckle 7 is a plurality of and locates the four corners department of cabinet 1 respectively. The caster wheels 7 are arranged to facilitate the transfer of the machine and reduce the difficulty of the machine in the moving process.

The utility model discloses a theory of operation: the utility model discloses a vacuum leak hunting machine closes vacuum valve 34 earlier before using, and the work piece 9 that will wait to detect presss from both sides tightly through work piece clamping device 33 to utilize work piece 9 to plug up the gas pocket, through sealing strip or sealing washer with the gap between work piece 9 and the gas pocket sealed, prevent that gas holder 2 from extracting external air. After the workpiece is clamped, the vacuum valve 34 is opened, the air storage tank 2 starts to work to extract air, and at the moment, if the workpiece 9 is not leaked, namely the air tightness is good, extra air flow cannot pass through an air hole, and the vacuum meter 32 cannot change; if gas leaks from the inside of the workpiece 9, that is, the welding of the workpiece 9 is incomplete or broken, or the material of the workpiece 9 itself is broken, the gas in the workpiece 9 is extracted by the gas tank 2, or external gas enters the gas hole through the leaked workpiece 9, and the gas flow passes through the gas path pipe 31, so that the vacuum gauge 32 is changed. The utility model discloses can judge the gas tightness of work piece 9 through observing whether the vacuum gauge 32 changes.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims

1. The utility model provides a vacuum leak hunting machine, its characterized in that includes the rack, the rack internal fixation is equipped with gas holder and gas leakage detection device, gas leakage detection device includes the gas circuit pipe, be equipped with the vacuum meter on the gas circuit pipe, the one end of gas circuit pipe is passed through breathing pipe and vacuum pump and gas tank connection, the other end of gas circuit pipe is connected with the work piece clamping device, be equipped with the gas pocket in the work piece clamping device.

2. The vacuum leak detector according to claim 1, wherein the workpiece clamping device comprises a connecting cavity and a clamping block, one end of the connecting cavity is fixedly connected with the air passage pipe, the other end of the connecting cavity is connected with the clamping block through a connecting pipe, and an air hole in the workpiece clamping device penetrates through the connecting cavity, the connecting pipe and the clamping block.

3. The vacuum leak detector according to claim 1, wherein a vacuum valve is further provided on the air passage tube, the vacuum valve being located at a side of the air passage tube.

4. The vacuum leak detector according to claim 1, wherein the plurality of air leakage detection devices are independently connected to the air storage tank, and each air leakage detection device is connected to the air storage tank through a vacuum pump and an air suction pipe.

5. The vacuum leak detector according to claim 1, wherein a cross beam is fixed in the cabinet, and the gas leakage detector and the gas storage tank are respectively fixed on two opposite sides of the cross beam.

6. The vacuum leak detector according to claim 5, wherein the gas leakage detecting device is fixed to the cross member by a fixing block, and the gas storage tank is fixed to the cross member by a fixing bracket.

7. The vacuum leak detector according to claim 1, wherein the cabinet further comprises a working window, the working window is located on a surface opposite to the gas leakage detector, and the workpiece is replaced through the working window.

8. A vacuum leak detector according to any one of claims 1 to 7, wherein the cabinet is a square cabinet, and casters are provided at the bottom of the cabinet, and are respectively provided at four corners of the cabinet.