CN214277316U

CN214277316U - A punch press for test of key gas tightness

Info

Publication number: CN214277316U
Application number: CN202120293806.XU
Authority: CN
Inventors: 赵刘锋
Original assignee: Hebei Jinmaima Steel Co ltd
Current assignee: Hebei Jinmaima Steel Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-09-24
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a presser for test of key gas tightness belongs to gas tightness test equipment and technical field, include main part, dead lever, air pump, first backup pad, first hydraulic stem, press from both sides tight head, place platform, support column, fixed frame, first valve, second valve, third valve, barometer and second hydraulic stem. The utility model discloses be provided with the air pump, first hydraulic stem, the second hydraulic stem, press from both sides tight head, place the platform, fixed frame, detect the jar, first valve, the second valve, the third valve, place the work piece bench, it presss from both sides the work piece tightly to drive tight head downstream clamp through opening the first hydraulic stem of second valve control, it detects jar rebound through opening the drive of third valve control second hydraulic stem, until detecting the water logging in the jar and having crossed the work piece, aerify the work piece through opening first valve control air pump, whether the observation produces the bubble just can detect out the gas tightness condition of work piece.

Description

A punch press for test of key gas tightness

Technical Field

The utility model belongs to the technical field of gas tightness test equipment, specifically a punch press for test of key gas tightness.

Background

In the fields of pipe fitting production and the like, the pipe fitting is required to be subjected to air tightness test, the air tightness test is the tightness of a detection sample, whether leakage occurs or not, because the pipe fitting is frequently used at a joint, liquid or gas can flow in the pipe fitting, once the air tightness is not good, the leakage can be caused, great harm can be caused by consequences, the traditional air tightness test is carried out through manual work, the time and energy of workers are consumed, the production efficiency is reduced, the operation of some air tightness test devices is complicated, the difficulty in operation of some workers is large, the air tightness of the pipe fitting cannot be visually observed by the other air tightness test devices, whether the air tightness meets the production standard or not, and the time can be wasted to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a punch press for test of key gas tightness to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a press for testing key air tightness comprises a main body, a fixing rod, an air pump, a first supporting plate, a first hydraulic rod, a clamping head, a placing table, a supporting column, a fixing frame, a first valve, a second valve, a third valve, a barometer and a second hydraulic rod, wherein a base is connected below the main body, a top cover is installed at one end of the main body, which is far away from the base, a fixing rod is arranged below the top cover, the left side and the right side of the fixing rod are fixedly connected with the main body, a plurality of first connecting columns are installed below the fixing rod, the air pump is arranged in the middle of each first connecting column, the lower end of the air pump is connected with the first supporting plate, the left end and the right end of the first supporting plate are connected with the first connecting columns, one side of the first supporting plate, which is far away from the air pump, is connected with the first hydraulic rod, the lower end of the first hydraulic rod is connected with the clamping head, the placing table is arranged below the clamping head, the placing table is connected with the supporting column, one end of the support column, which is far away from the placing table, is connected with a fixed frame, the left side and the right side of the fixed frame are fixedly connected with a fixed rod, a detection cylinder is arranged below the fixed frame, limiting plates are arranged on the left side and the right side of the detection cylinder, a second hydraulic rod is connected below the detection cylinder, and the second hydraulic rod is fixed on the ground; the left side of main part is installed first valve, the below of first valve is provided with the second valve, the below of second valve is provided with the third valve, the intermediate interval of first valve, second valve and third valve is provided with the second backup pad, the right side and the main part fixed connection of second backup pad, first valve, the left side of second backup pad and third valve all is connected with the pipe, two three way connection are installed to the intermediate position of pipe, first valve passes through the pipe and links to each other with the air pump, the second valve passes through the pipe and links to each other with first hydraulic stem, the third valve passes through the pipe and links to each other with the second hydraulic stem.

As a further aspect of the present invention: the intermediate position of main part below is connected with the second spliced pole, the left and right sides of second spliced pole all with main part fixed connection.

As a further aspect of the present invention: the inside of first backup pad, first hydraulic stem, clamp head, place platform and support column all has the passageway.

As a further aspect of the present invention: handles are mounted on the first valve, the second valve and the third valve.

As a further aspect of the present invention: the barometer is installed to the top on main part right side, and the barometer passes through the pipe and all links to each other with the support column.

Compared with the prior art, the utility model discloses be provided with air pump, first hydraulic stem, second hydraulic stem, clamping head, place the platform, fixed frame, detect the jar, first valve, second valve, third valve, place the work piece on the platform, drive clamping head downstream through opening second valve control first hydraulic stem and press from both sides the work piece tightly, drive the detection jar upstream through opening third valve control second hydraulic stem and move until the water logging in the detection jar has crossed the work piece, aerify the work piece through opening first valve control air pump, observe whether produce the bubble just can detect the gas tightness condition of work piece; the air pressure gauge is arranged, so that the air tightness of the workpiece can be further accurately judged through the air pressure gauge.

Drawings

Fig. 1 is a schematic structural diagram of a front view of a press for a key airtightness test.

Fig. 2 is a schematic top view of a press for critical air tightness testing.

Fig. 3 is a structural schematic diagram of a right view of a press for a key airtightness test.

In the figure: 1. a main body; 2. a top cover; 3. fixing the rod; 4. a first connecting column; 5. an air pump; 6. a first support plate; 7. a first hydraulic lever; 8. a clamping head; 9. a placing table; 10. a support pillar; 11. a fixing frame; 12. a detection cylinder; 13. a limiting plate; 14. a second connecting column; 15. a first valve; 16. a second valve; 17. a third valve; 18. a three-way joint; 19. a conduit; 20. a barometer; 21. a second support plate; 22. a handle; 23. a second hydraulic rod; 24. a base.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a press for testing key air tightness includes a main body 1, a fixing rod 3, an air pump 5, a first supporting plate 6, a first hydraulic rod 7, a clamping head 8, a placing table 9, a supporting column 10, a fixing frame 11, a first valve 15, a second valve 16, a third valve 17, a barometer 20 and a second hydraulic rod 23; a base 24 is connected below the main body 1, a second connecting column 14 is connected at the middle position below the main body 1, the left side and the right side of the second connecting column 14 are fixedly connected with the main body 1, a top cover 2 is installed at one end of the main body 1 far away from the base 24, the top cover 2 can be used for placing some articles, a fixing rod 3 is arranged below the top cover 2, the left side and the right side of the fixing rod 3 are fixedly connected with the main body 1, a plurality of first connecting columns 4 are installed below the fixing rod 3, an air pump 5 is arranged at the middle position of each first connecting column 4, the lower end of the air pump 5 is connected with a first supporting plate 6, the left end and the right end of the first supporting plate 6 are connected with the first connecting columns 4, one side of the first supporting plate 6 far away from the air pump 5 is connected with a first hydraulic rod 7, the lower end of the first hydraulic rod 7 is connected with a clamping head 8, a placing table 9 is arranged below the clamping head 8, and a supporting column 10 is connected below the placing table 9, one end of the support column 10, which is far away from the placing table 9, is connected with a fixed frame 11, the left side and the right side of the fixed frame 11 are fixedly connected with the fixed rod 3, a detection cylinder 12 is arranged below the fixed frame 11, water is stored in the detection cylinder 12, limiting plates 13 are arranged on the left side and the right side of the detection cylinder 12, a second hydraulic rod 23 is connected below the detection cylinder 12, and the second hydraulic rod 23 is fixed on the ground;

a first valve 15 is installed on the left side of the main body 1, a second valve 16 is arranged below the first valve 15, a third valve 17 is arranged below the second valve 16, second support plates 21 are arranged among the first valve 15, the second valve 16 and the third valve 17 at intervals, the right side of each second support plate 21 is fixedly connected with the main body 1, guide pipes 19 are connected to the left sides of the first valve 15, the second valve 16 and the third valve 17, two three-way joints 18 are installed in the middle of each guide pipe 19, the first valve 15 is connected with the air pump 5 through the guide pipes 19, the second valve 16 is connected with the first hydraulic rod 7 through the guide pipes 19, the third valve 17 is connected with a second hydraulic rod 23 through the guide pipes 19, and handles 22 are installed on the first valve 15, the second valve 16 and the third valve 17; an air pressure gauge 20 is arranged above the right side of the main body 1, and the air pressure gauge 20 is connected with the supporting column 10 through a guide pipe 19.

The utility model discloses a theory of operation is: the workpiece is placed on a placing table 9, a first hydraulic rod 7 is controlled by opening a second valve 16 to drive a clamping head 8 to move downwards to clamp the workpiece, a second hydraulic rod 23 is controlled by opening a third valve 17 to drive a detection cylinder 12 to move upwards until water in the detection cylinder 12 submerges the workpiece, an air pump 5 is controlled by opening a first valve 15 to inflate the workpiece, if the air tightness of the workpiece meets the requirement, an air pressure gauge 20 displays a normal value, if the air tightness of the workpiece does not meet the requirement, the air pressure gauge 20 displays abnormal workpieces, the unqualified workpieces are determined by inspection, the first valve 15, the second valve 16 and the third valve 17 are closed, the detection cylinder 12 moves downwards, the clamping head 8 loosens the workpiece, a worker takes off the workpiece, the air tightness of the workpiece can be known by observing whether air bubbles are generated in the detection cylinder 12 and the value of the air pressure gauge 20, and the production efficiency is improved, the operation is simple and easy to understand, and the time of workers is saved.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A press machine for key airtightness testing comprises a main body (1), fixing rods (3), an air pump (5), a first supporting plate (6), a first hydraulic rod (7), a clamping head (8), a placing table (9), supporting columns (10), a fixing frame (11), a first valve (15), a second valve (16), a third valve (17), a barometer (20) and a second hydraulic rod (23), and is characterized in that a base (24) is connected below the main body (1), a top cover (2) is installed at one end, far away from the base (24), of the main body (1), the fixing rods (3) are arranged below the top cover (2), the left side and the right side of each fixing rod (3) are fixedly connected with the main body (1), a plurality of first connecting columns (4) are installed below the fixing rods (3), the air pump (5) is arranged in the middle positions of the first connecting columns (4), the lower end of an air pump (5) is connected with a first supporting plate (6), the left end and the right end of the first supporting plate (6) are connected with a first connecting column (4), one side, far away from the air pump (5), of the first supporting plate (6) is connected with a first hydraulic rod (7), the lower end of the first hydraulic rod (7) is connected with a clamping head (8), a placing table (9) is arranged below the clamping head (8), a supporting column (10) is connected below the placing table (9), one end, far away from the placing table (9), of the supporting column (10) is connected with a fixing frame (11), the left side and the right side of the fixing frame (11) are fixedly connected with a fixing rod (3), a detection cylinder (12) is arranged below the fixing frame (11), limiting plates (13) are mounted on the left side and the right side of the detection cylinder (12), a second hydraulic rod (23) is connected below the detection cylinder (12), and the second hydraulic rod (23) is fixed on the ground; a first valve (15) is arranged on the left side of the main body (1), a second valve (16) is arranged below the first valve (15), a third valve (17) is arranged below the second valve (16), second supporting plates (21) are arranged among the first valve (15), the second valve (16) and the third valve (17) at intervals, the right side of each second supporting plate (21) is fixedly connected with the main body (1), the first valve (15), the left sides of the second valve (16) and the third valve (17) are connected with a guide pipe (19), two three-way joints (18) are installed in the middle of the guide pipe (19), the first valve (15) is connected with the air pump (5) through the guide pipe (19), the second valve (16) is connected with the first hydraulic rod (7) through the guide pipe (19), and the third valve (17) is connected with the second hydraulic rod (23) through the guide pipe (19).

2. The press for key airtightness testing according to claim 1, wherein a second connecting column (14) is connected to a middle position below the main body (1), and both left and right sides of the second connecting column (14) are fixedly connected with the main body (1).

3. The press for critical tightness tests according to claim 1, characterized in that the inside of said first support plate (6), first hydraulic rod (7), clamping head (8), placing table (9) and support column (10) present channels.

4. The press for critical tightness tests according to claim 1, characterized in that said first valve (15), second valve (16) and third valve (17) are equipped with handles (22).

5. The press for critical tightness tests according to claim 1, characterized in that an air pressure gauge (20) is mounted above the right side of the body (1), the air pressure gauge (20) being connected to the support column (10) through a conduit (19).