CN211477534U

CN211477534U - Airtight detection device of aluminum die casting

Info

Publication number: CN211477534U
Application number: CN202020262726.3U
Authority: CN
Inventors: 陈雁
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-09-11
Anticipated expiration: 2030-03-05

Abstract

The utility model discloses an air tightness detection device for aluminum die castings, which comprises an air tightness detection box and a box cover, wherein a gas collection cavity, a detection cavity and an equipment cavity are arranged in the air tightness detection box, the gas collection cavity and the detection cavity are separated by a vertical partition plate, the gas collection cavity, the detection cavity and the equipment cavity are separated by a transverse partition plate, openings are arranged at two sides of the vertical partition plate, and a positioning groove for placing the aluminum die castings is embedded in the middle of the vertical partition plate; the rotary rod is installed in the rotation of equipment intracavity, and a conical gear is established to the cover on the rotary rod, conical gear meshing No. two conical gear, No. two conical gear fixed mounting are at the top of screw rod, and the screw rod screw thread cup joints the spiral shell section of thick bamboo, and the spiral shell section of thick bamboo is deep into the inside of spacing frame and is rotated and connect the push-and-pull rod, the articulated push pedal of push-and-pull rod, the movable business turn over of push pedal in the cavity of spacing frame to end through the connecting axle rigid coupling and stop the arc piece, end and stop arc piece and.

Description

Airtight detection device of aluminum die casting

Technical Field

The utility model relates to an air tightness check out test set technical field specifically is an airtight detection device of aluminum die casting.

Background

The airtightness is an index reflecting the tightness of the aluminum die casting, and the quality of the airtightness of the aluminum die casting is related to whether the aluminum die casting has a defect of leakage. Therefore, for some aluminum die castings with higher quality requirements, the airtightness detection is very necessary before the aluminum die castings are produced.

In the prior art, the air tightness of an aluminum die casting is generally detected by adopting a manual method, or whether the air tightness of a product is qualified is judged by naked eyes, or the aluminum die casting is completely immersed in water to observe whether bubbles are generated, if the bubbles are not generated, the air tightness is good, and if the bubbles are generated, further inspection is required; the manual detection of the products has low efficiency and low detection accuracy, and can misjudge the quality, so that some unqualified products flow out and cannot meet the requirements of customers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an airtight detection device of aluminum die casting to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an air tightness detection device for aluminum die castings comprises an air tightness detection box and a box cover, wherein an air collection cavity, a detection cavity and an equipment cavity are arranged in the air tightness detection box, the air collection cavity and the detection cavity are separated by a vertical partition plate, the air collection cavity, the detection cavity and the equipment cavity are separated by a transverse partition plate, through holes are formed in two sides of the vertical partition plate, and a positioning groove for placing the aluminum die castings is embedded in the middle of the vertical partition plate; the rotary rod is installed in the rotation of equipment intracavity, and a conical gear is established to the cover on the rotary rod, conical gear meshing No. two conical gear, No. two conical gear fixed mounting are at the top of screw rod, and the screw rod screw thread cup joints the spiral shell section of thick bamboo, and the spiral shell section of thick bamboo is deep into the inside of spacing frame and is rotated and connect the push-and-pull rod, the articulated push pedal of push-and-pull rod, the movable business turn over of push pedal in the cavity of spacing frame to end through the connecting axle rigid coupling and stop the arc piece, end and stop arc piece and.

As an optimal technical scheme, the handle is installed at the top of case lid, and sealed the pad is laid to its bottom, and sealed pad uses with the sealed cooperation of the sealed pad that sets up of gas tightness inspection incasement, will the constant head tank is sealed to live, and the elastic sealing pad is laid to the bottom of constant head tank.

As an optimized technical scheme of the utility model, one side of gas collection chamber is equipped with the intake pipe, installs control flap in the intake pipe.

As an optimal technical scheme of the utility model, it installs pressure sensor to detect the intracavity, the equal electric connection control assembly of pressure sensor and control flap.

As an optimal technical scheme, the through-hole has been seted up on the diapire of gas tightness inspection box, the rectangular hole structure of through-hole for supplying the vertical removal of spiral shell section of thick bamboo, spiral shell section of thick bamboo is the rectangle tube-shape of adaptation in the rectangle poroid.

As an optimal technical scheme of the utility model, only stop the arc piece and be equipped with the antiskid face towards a side of gyro wheel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides a pair of airtight detection device of aluminum die casting, through the constant head tank that sets up, can will wait to detect including the aluminum die casting is placed, detect its gas tightness, easy operation, the detection accuracy is high, can satisfy the customer requirement.

2. The utility model provides an airtight detection device of aluminum die casting, through rotary rod, screw rod, spiral shell section of thick bamboo, spacing frame that set up and end stop arc piece, can controlling means's removal and fixed facilitate the use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. an air tightness inspection box; 2. a box cover; 3. a gas collection cavity; 4. a detection chamber; 5. an equipment chamber; 6. a diaphragm plate; 7. a port; 8. an aluminum die casting; 9. positioning a groove; 10. rotating the rod; 11. a first conical gear; 12. a second bevel gear; 13. a screw; 14. a screw cylinder; 15. a limiting frame; 16. a push-pull rod; 17. pushing the plate; 18. a connecting shaft; 19. stopping the arc block; 20. a roller; 21. a handle; 22. a gasket; 23. fitting a gasket; 24. an elastic sealing gasket; 25. an air inlet pipe; 26. a control valve; 27. a pressure sensor; 28. a through hole; 29. and (5) erecting the partition plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: an air tightness detection device for aluminum die castings comprises an air tightness detection box 1 and a box cover 2, wherein an air collection cavity 3, a detection cavity 4 and an equipment cavity 5 are arranged in the air tightness detection box 1, the air collection cavity 3 and the detection cavity 4 are separated by a vertical partition plate 29, the air collection cavity 3, the detection cavity 4 and the equipment cavity 5 are separated by a transverse partition plate 6, through holes 7 are formed in two sides of the vertical partition plate 29, and a positioning groove 9 for placing an aluminum die casting 8 is embedded in the middle of the vertical partition plate; the rotary rod 10 is rotatably mounted in the equipment cavity 5, the first conical gear 11 is sleeved on the rotary rod 10, the first conical gear 11 is meshed with the second conical gear 12, the second conical gear 12 is fixedly mounted at the top of the screw rod 13, the screw rod 13 is in threaded sleeve connection with the screw barrel 14, the screw barrel 14 penetrates into the limiting frame 15 to be rotatably connected with the push-pull rod 16, the push-pull rod 16 is hinged with the push plate 17, the push plate 17 movably enters and exits in a cavity of the limiting frame 15 and is fixedly connected with the stopping arc-shaped block 19 through the connecting shaft 18, and the stopping arc-shaped block 19 is movably abutted to the roller 20.

Further, handle 21 is installed at the top of case lid 2, and sealed 22 is laid to its bottom, and sealed 23 cooperations that set up in sealed 22 and the gas tightness inspection box 1 are sealed and are sealed used, will constant head tank 9 seals, and the elastic sealing pad 24 has been laid to the bottom of constant head tank 9.

Further, an air inlet pipe 25 is arranged on one side of the air collection cavity 3, and a control valve 26 is mounted on the air inlet pipe 25 and used for introducing air into the air collection cavity 3.

Further, a pressure sensor 27 is installed in the detection chamber 4, and can sense the pressure condition in the detection chamber 4.

Further, a through hole 28 is formed in the bottom wall of the air tightness inspection box 1, the through hole 28 is of a rectangular hole structure for the screw cylinder 14 to vertically move, the screw cylinder 14 is in a rectangular cylinder shape adapted to the rectangular hole shape, and the situation that the screw cylinder 14 and the screw rod 13 rotate synchronously when the screw rod 13 rotates is avoided.

Furthermore, an anti-slip surface is arranged on one side surface of the stop arc block 19 facing the roller 20, and the stop arc block is abutted against the roller 20, so that the rolling of the roller 20 is limited.

The working principle is as follows:

before detection, the equipment is moved to a position to be worked, at the moment, an operator rotates a handle which is arranged on a rotary rod 10 and protrudes out of one end of the equipment, the rotary rod 10 rotates, so that a first conical gear 11 drives a second conical gear 12 to rotate, a screw cylinder 14 moves upwards on a screw rod 13, a push plate 17 enters a cavity of a limiting frame 15, a stopping arc-shaped block 19 is separated from a roller 20, and the equipment is convenient to move;

after the operation staff moves to a working place, the operation staff rotates the hand crank in the opposite direction, the rotating rod 10 rotates in the opposite direction, so that the first conical gear 11 drives the second conical gear 12 to synchronously rotate in the opposite direction, the screw cylinder 14 moves downwards on the screw rod 13, and the push plate 17 pushes out the cavity of the limiting frame 15, so that the stop arc-shaped block 19 is abutted against the roller 20 to play a role in fixing equipment;

during operation, firstly, the aluminum die casting 8 to be measured is placed in the positioning groove 9, the box cover 2 is covered, the sealing gasket 22 at the bottom of the box cover 2 abuts against the matching sealing gasket 23 and the top of the positioning groove 9, so that the upper part and the lower part of the aluminum die casting 8 abut against the sealing gasket 22 and the elastic sealing gasket 24 respectively, the positioning groove 9 is sealed, and the measuring error is reduced;

then, the control valve 26 is opened, the gas enters the gas collection cavity 3 through the gas inlet pipe 25, and when the gas in the gas collection cavity 3 reaches a certain pressure, the control valve 26 is closed, and the gas inlet is stopped;

the pressure sensor 27 in the detection cavity 4 senses the pressure condition in the detection cavity 4 in real time, transmits signals to the control assembly, transmits the signals to the display mechanism to be displayed after the signals are analyzed and processed by the central processing unit in the control assembly, if the pressure displayed by the display mechanism is increased after a period of time, air enters the detection cavity 4, the air tightness of the aluminum die casting 8 is poor, and if the pressure is unchanged, no air enters the detection cavity 4, and the air tightness of the aluminum die casting 8 is good.

It is worth noting that: the whole device realizes control over the device through the control assembly, and because the equipment matched with the control assembly is common equipment, the device belongs to the existing mature technology, and the electrical connection relation and the specific circuit structure are not repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The aluminum die casting airtightness detection device is characterized by comprising an airtightness detection box (1) and a box cover (2), wherein a gas collection cavity (3), a detection cavity (4) and an equipment cavity (5) are arranged in the airtightness detection box (1), the gas collection cavity (3) and the detection cavity (4) are separated by a vertical partition plate (29), the gas collection cavity (3), the detection cavity (4) and the equipment cavity (5) are separated by a transverse partition plate (6), through holes (7) are formed in two sides of the vertical partition plate (29), and a positioning groove (9) for placing an aluminum die casting (8) is embedded in the middle of the vertical partition plate; rotating rod (10) are installed to equipment chamber (5) internal rotation, and conical gear (11) are established to the cover on rotating rod (10), conical gear (11) meshing No. two conical gear (12), No. two conical gear (12) fixed mounting are at the top of screw rod (13), screw rod (13) screw thread cover barrel (14), and barrel (14) are deepened the inside rotation of spacing frame (15) and are connected push-and-pull rod (16), and push-and-pull rod (16) hinge push pedal (17), and push pedal (17) are business turn over in the cavity of spacing frame (15) activity to end through connecting axle (18) rigid coupling and stop arc piece (19), end and stop arc piece (19) and gyro wheel (20) activity butt.

2. An aluminum die casting airtightness detection apparatus according to claim 1, wherein a handle (21) is attached to the top of the case cover (2), a gasket (22) is laid on the bottom thereof, the gasket (22) is fitted with a fitting gasket (23) provided in the airtightness inspection chamber (1) to seal the positioning groove (9), and an elastic gasket (24) is laid on the bottom of the positioning groove (9).

3. The aluminum die casting airtightness detection apparatus according to claim 1, wherein an air inlet pipe (25) is provided at one side of the air collection chamber (3), and a control valve (26) is mounted on the air inlet pipe (25).

4. An aluminum die casting airtightness detection apparatus according to claim 1, wherein a pressure sensor (27) is installed in the detection chamber (4).

5. The aluminum die casting airtightness detection apparatus according to claim 1, wherein a through hole (28) is formed in a bottom wall of the airtightness detection box (1), the through hole (28) has a rectangular hole structure for allowing the screw cylinder (14) to vertically move, and the screw cylinder (14) has a rectangular cylinder shape adapted to the rectangular hole shape.

6. An aluminum die casting airtightness detection apparatus according to claim 1, wherein a side surface of the stop arc-shaped block (19) facing the roller (20) is provided with an anti-slip surface.