CN219956837U

CN219956837U - Airtight detection device

Info

Publication number: CN219956837U
Application number: CN202321400543.3U
Authority: CN
Inventors: 黄圣权; 康辉
Original assignee: Huibi Electronics Dongguan Co ltd
Current assignee: Huibi Electronics Dongguan Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-11-03
Anticipated expiration: 2033-06-05

Abstract

The utility model relates to the technical field of airtight detection, in particular to an airtight detection device. Its technical scheme includes cylinder, nitrogen gas jar and base, base upper surface one side is equipped with the recess, the bottom intermediate position department fixedly connected with lift spring of recess inner wall, lift spring end fixedly connected with lifter plate, the recess inner wall rotates through the pivot and installs L template, L template surface is close to lower surface position department fixedly connected with reset spring, the base upper surface is located recess top position department and has the cylinder through mount fixed mounting, the terminal fixedly connected with crane of cylinder output shaft, surface mounting has the head of aerifing under the crane, the head upper surface fixedly connected with manometer of aerifing. The utility model can automatically complete the positioning and fixing of the workpiece container before the airtight detection, simultaneously has smaller occupied space and low cost, and is convenient for taking out the workpiece container after the detection is finished.

Description

Airtight detection device

Technical Field

The utility model relates to the technical field of airtight detection, in particular to an airtight detection device.

Background

The air tightness test refers to a test mode in which compressed air (or ammonia, freon, helium, halogen gas, etc.) is pressed into a workpiece container to test the sealing performance of the workpiece container.

Before the airtight detection of the container workpiece, the container workpiece is usually required to be fixed and then compressed air is conveniently pressed into the workpiece container, the workpiece container is clamped and fixed in the conventional airtight detection device for the container workpiece by adopting a mode that a plurality of cylinders drive a clamp to move, the space occupied by the cylinders and the clamp is large, the cost is high, and the position of the workpiece container after the workpiece container is clamped and fixed is offset due to the fact that air inlets possibly existing in the cylinders are asynchronous, so that the air charging head of the compressed air and the air inlet of the workpiece container are misplaced, and the detection accuracy is affected.

Disclosure of Invention

The utility model aims to provide an airtight detection device which has the advantages of being capable of automatically completing positioning and fixing before airtight detection of a workpiece container, small in occupied space, low in cost and convenient to take out the workpiece container after detection is completed, and solves the problems that in the conventional airtight detection device for the workpiece container, the workpiece container is clamped and fixed in a mode that a plurality of cylinders are used for driving a clamp to move, the space occupied by the cylinders and the clamp is large, the cost is high, and because air inlets possibly existing in the cylinders are asynchronous, the positions of the workpiece container after clamping and fixing are offset, so that the air inlets of the compressed air charging head and the workpiece container are misplaced, and the detection accuracy is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including cylinder, nitrogen jar and base, base upper surface one side is equipped with the recess, the bottom intermediate position department fixedly connected with lift spring of recess inner wall, lift spring end fixedly connected with lifter plate, the recess inner wall rotates through the pivot and installs L template, L template surface is close to lower surface position department fixedly connected with reset spring, the base upper surface is located recess top position department and has the cylinder through mount fixed mounting, the terminal fixedly connected with crane of cylinder output shaft, surface mounting has the head of aerifing under the crane, the first upper surface fixedly connected with manometer of aerifing, the terminal fixedly connected with three-way valve of manometer, three-way valve one side fixedly connected with nitrogen pipe.

Preferably, one side of base upper surface deviating from the recess fixed mounting has the detection host computer, the base upper surface is located and detects and fixedly installs the nitrogen gas jar between host computer and the recess, nitrogen gas jar upper surface fixedly connected with pneumatic valve, and pneumatic valve end and nitrogen pipe end fixed connection.

Preferably, a scanning port is fixedly arranged on one side of the lifting frame, scans the workpiece code on the workpiece container, and stores the workpiece code and the airtight detection result of the workpiece container into the detection host.

Preferably, the base upper surface is close to crane outside position department fixed mounting and has the compression pump, compression pump delivery tube end and nitrogen tank surface fixed connection, compression pump delivery tube end and three-way valve deviate from one side fixed connection of nitrogen trachea, after the airtight detection of work piece container is accomplished, adjust three-way valve for compression pump and work piece container intercommunication, nitrogen gas in the work piece container is by the compression pump back backward flow in the nitrogen tank reuse.

Preferably, the L-shaped plates are provided with four in total, the four L-shaped plates are all installed on the inner wall of the groove in an equidistant mode through the rotary shafts in an annular array mode, the four L-shaped plates are fixedly connected with reset springs at positions, close to the lower surface, of the outer surfaces of the L-shaped plates, and the four L-shaped plates can fix the workpiece container after rotating.

Preferably, the bottom of the inner wall of the groove is fixedly provided with an annular bulge, and when the lifting plate descends to the bottommost part of the groove, the annular bulge is contacted with the lower surface of the lifting plate and plays a role in supporting the lifting plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the cylinder, the lifting frame, the air charging head, the groove, the lifting spring, the lifting plate, the L-shaped plate and the reset spring are arranged, so that the positioning and fixing of the workpiece container before airtight detection can be automatically completed, meanwhile, the occupied space is small, the cost is low, the workpiece container after detection is convenient to take out, when the workpiece container is used, the workpiece container is placed on the lifting plate, the lifting spring starts to compress, the lifting plate descends downwards, the lifting frame and the air charging head are driven by the cylinder output shaft to descend, the air charging head is aligned to contact with the air charging port of the workpiece container, the lifting spring continues to compress, the L-shaped plate rotates, the reset spring compresses, when the short plate of the L-shaped plate is in a horizontal state, the workpiece container stops descending, the four L-shaped plates fix the periphery and the bottom of the workpiece container, nitrogen in the nitrogen pipe is filled into the workpiece container through the air charging head, the pressure change inside the workpiece container is observed through the pressure gauge to judge the sealing performance, after detection is completed, the lifting frame and the compressed lifting spring is driven by the lifting plate to restore the workpiece container to the original position, and the compressed reset spring is released through the lifting plate to rotate to the original position, and the compressed reset spring is enabled to rotate to be in the original position.

2. According to the utility model, by arranging the compression pump, the effects of saving consumption of compressed gas in airtight detection and saving detection cost are achieved, after the airtight detection of the workpiece container is completed, the three-way valve is regulated, so that the compression pump is communicated with the workpiece container, and nitrogen in the workpiece container is compressed by the compression pump and then flows back to the nitrogen tank for recycling.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic view of a partial front view of the lifting frame of the present utility model;

fig. 3 is a schematic view of a partial front view of an L-shaped board according to the present utility model.

Reference numerals: 1. a compression pump; 2. a lifting frame; 3. a fixing frame; 4. a cylinder; 5. a nitrogen pipe; 6. an air valve; 7. a nitrogen tank; 8. detecting a host; 9. a base; 10. an L-shaped plate; 11. a groove; 12. a lifting spring; 13. an annular protrusion; 14. a lifting plate; 15. a wharf is scanned; 16. a three-way valve; 17. a pressure gauge; 18. an inflation head; 19. a rotating shaft; 20. and a return spring.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

As shown in fig. 1 to 3, the airtight detection device provided by the utility model comprises an air cylinder 4, a nitrogen tank 7 and a base 9, wherein a groove 11 is formed in one side of the upper surface of the base 9, a lifting spring 12 is fixedly connected to the middle position of the bottom of the inner wall of the groove 11, a lifting plate 14 is fixedly connected to the tail end of the lifting spring 12, the lifting plate 14 is used for placing a workpiece container to be detected, an annular protrusion 13 is fixedly arranged at the bottom of the inner wall of the groove 11, and when the lifting plate 14 descends into the groove 11 and contacts with the annular protrusion 13, the lifting plate 14 stops descending, and the annular protrusion 13 plays a role in supporting the lifting plate 14.

The inner wall of the groove 11 is rotatably provided with four L-shaped plates 10 through a rotating shaft 19, the L-shaped plates 10 are uniformly and rotatably arranged on the inner wall of the groove 11 in an annular array through the rotating shaft 19, the positions, close to the lower surface, of the outer surfaces of the four L-shaped plates 10 are fixedly connected with reset springs 20, the positions, above the groove 11, of the upper surface of the base 9 are fixedly provided with air cylinders 4 through fixing frames 3, the tail ends of output shafts of the air cylinders 4 are fixedly connected with lifting frames 2, the lower surfaces of the lifting frames 2 are fixedly provided with air inflation heads 18, the upper surfaces of the air inflation heads 18 are fixedly connected with pressure gauges 17, after nitrogen is pressed into a workpiece, the air tightness of the workpiece container can be detected through the change of the pressure gauges 17, the tail ends of the pressure gauges 17 are fixedly connected with three-way valves 16, one side of the three-way valves 16 is fixedly connected with nitrogen pipes 5, one side, away from the groove 11, of the upper surface of the base 9 is fixedly provided with a detection host 8, the upper surface of the base 9 is fixedly provided with a nitrogen tank 7 between the detection host 8 and the groove 11, the upper surface of the nitrogen tank 7 is fixedly connected with an air valve 6, the tail end of the air valve 6 is fixedly connected with the tail end of the nitrogen tank 5, one side of the lifting frame 2 is fixedly provided with a scanning head 15, the scanning head 15 and a pressure gauge 17 are electrically connected with the detection host 8, the scanning head 15 scans a workpiece code on a workpiece container, the air tightness result of the workpiece container detected by the pressure gauge 17 and corresponding code scanning information are stored in the detection host 8 together, so that the follow-up data can be traced, the position of the upper surface of the base 9, which is close to the outer side of the lifting frame 2, is fixedly provided with a compression pump 1, the tail end of an output pipe of the compression pump 1 is fixedly connected with the outer surface of the nitrogen tank 7, the tail end of an input pipe of the compression pump 1 is fixedly connected with one side of the three-way valve 16, which is away from the nitrogen pipe 5, the compression pump 1 presses the nitrogen in the workpiece container after the detection back into the nitrogen tank 7 to reduce the waste of nitrogen.

When the utility model is used, a workpiece container is placed on the lifting plate 14, the lifting spring 12 starts to compress, the lifting plate 14 descends downwards, the output shaft of the air cylinder 4 drives the lifting frame 2 and the air charging head 18 to descend, the air charging head 18 is aligned to contact with an air charging port of the workpiece container, the lifting spring 12 continues to compress, the L-shaped plate 10 rotates, the reset spring 20 compresses, when the short plate of the L-shaped plate 10 is in a horizontal state, the workpiece container stops descending, the four L-shaped plates 10 fix the periphery and the bottom of the workpiece container, nitrogen in the nitrogen pipe 5 is filled into the workpiece container through the air charging head 18, the pressure change inside the workpiece container is observed through the pressure gauge 17 to judge the sealing performance of the workpiece container, after the airtight detection of the workpiece container is finished, the three-way valve 16 is regulated, the compression pump 1 is communicated with the workpiece container, nitrogen in the workpiece container is compressed by the compression pump 1 and then flows back into the nitrogen tank 7 for recycling, then the output shaft of the air cylinder 4 drives the lifting frame 2 and the air charging head 18 to ascend, the compressed lifting spring 12 is released, the workpiece container is driven to return to the original position through the lifting plate 14, and the compressed reset spring 20 rotates to enable the L10 to be in situ.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a gas tightness detection device, includes cylinder (4), nitrogen gas jar (7) and base (9), its characterized in that: a groove (11) is arranged on one side of the upper surface of the base (9), a lifting spring (12) is fixedly connected to the middle position of the bottom of the inner wall of the groove (11), a lifting plate (14) is fixedly connected to the tail end of the lifting spring (12), an L-shaped plate (10) is rotatably arranged on the inner wall of the groove (11) through a rotating shaft (19), a reset spring (20) is fixedly connected to the position, close to the lower surface, of the outer surface of the L-shaped plate (10), the utility model discloses a nitrogen pipe, including base (9), mount (11), pressure gauge (17), three-way valve (16) one side fixedly connected with nitrogen pipe (5), base (9) upper surface is located recess (11) top position department and has cylinder (4) through mount (3) fixed mounting, cylinder (4) output shaft end fixedly connected with crane (2), surface mounting has inflatable head (18) under crane (2), surface fixedly connected with manometer (17) on inflatable head (18), three-way valve (16) one side fixedly connected with nitrogen pipe (5) are fixed.

2. The air tightness detection device according to claim 1, wherein: one side of base (9) upper surface deviating from recess (11) fixed mounting has detection host computer (8), base (9) upper surface is located and detects and fixedly installs nitrogen gas jar (7) between host computer (8) and recess (11), nitrogen gas jar (7) upper surface fixedly connected with pneumatic valve (6), and pneumatic valve (6) end and nitrogen pipe (5) end fixed connection.

3. The air tightness detection device according to claim 1, wherein: one side of the lifting frame (2) is fixedly provided with a scanning wharf (15).

4. The air tightness detection device according to claim 1, wherein: the compression pump (1) is fixedly mounted on the upper surface of the base (9) near the outer side of the lifting frame (2), the tail end of an output pipe of the compression pump (1) is fixedly connected with the outer surface of the nitrogen tank (7), and the tail end of an input pipe of the compression pump (1) is fixedly connected with one side of the three-way valve (16) deviating from the nitrogen pipe (5).

5. The air tightness detection device according to claim 1, wherein: the L-shaped plates (10) are provided with four in total, the four L-shaped plates (10) are all installed on the inner wall of the groove (11) in an equidistant mode through rotating shafts (19) in an annular array mode, and reset springs (20) are fixedly connected to positions, close to the lower surface, of the outer surfaces of the four L-shaped plates (10).

6. The air tightness detection device according to claim 1, wherein: the bottom of the inner wall of the groove (11) is fixedly provided with an annular bulge (13).