CN216050521U - Be applied to gas evacuation equipment end cover gas tightness detection device - Google Patents
Be applied to gas evacuation equipment end cover gas tightness detection device Download PDFInfo
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- CN216050521U CN216050521U CN202121176297.9U CN202121176297U CN216050521U CN 216050521 U CN216050521 U CN 216050521U CN 202121176297 U CN202121176297 U CN 202121176297U CN 216050521 U CN216050521 U CN 216050521U
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- pressing plate
- lower pressing
- hydraulic cylinder
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Abstract
The utility model belongs to the technical field of precision metal processing, and discloses an end cover air tightness detection device applied to gas vacuum-pumping equipment. Comprises an upper plate, a hydraulic cylinder, a bottom plate and a lower pressing plate; the lower pressing plate is arranged above the upper plate, the upper plate and the lower pressing plate are connected through a support column, a hydraulic cylinder is arranged on the top surface of the upper plate, a piston rod of the hydraulic cylinder is connected with the hydraulic cylinder after penetrating through the upper plate, the bottom of the piston rod of the hydraulic cylinder is connected with the upper pressing plate, a compressed air pipe is arranged on the upper pressing plate, a plurality of air cylinders are arranged below the lower pressing plate, the air cylinders are connected with the lower pressing plate through air piston rods arranged at the front ends of the air cylinders, the air cylinders are arranged on the bottom plate, and the bottom plate, the air cylinders and the air piston rods are arranged in the container. Greatly reducing the cost of the detection device and improving the qualification rate.
Description
Technical Field
The utility model belongs to the technical field of precision metal processing, and relates to an end cover air tightness detection device applied to gas vacuum-pumping equipment.
Background
At present, no special device or equipment for detecting the air tightness of the end cover of the vacuum pumping equipment exists in the market, and whether materials with poor air tightness influenced by shrinkage porosity, sand holes and the like exist in the materials or not can not be identified and judged before the products are processed, so that whether the products are qualified or not can not be detected through an operation test after the processed products are installed and assembled at a client. Therefore, the cost of an enterprise is increased, and the enterprise cannot guarantee 100% of qualified rate of the loaded products.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the background art, and provides the end cover air tightness detection device applied to the gas vacuum-pumping equipment.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a gas tightness detection device applied to an end cover of gas vacuum-pumping equipment comprises an upper plate, a hydraulic cylinder, a bottom plate and a lower pressing plate; the lower pressing plate is arranged above the upper plate, the upper plate and the lower pressing plate are connected through a support column, a hydraulic cylinder is arranged on the top surface of the upper plate, a piston rod of the hydraulic cylinder is connected with the hydraulic cylinder after penetrating through the upper plate, the bottom of the piston rod of the hydraulic cylinder is connected with the upper pressing plate, a compressed air pipe is arranged on the upper pressing plate, a plurality of air cylinders are arranged below the lower pressing plate, the air cylinders are connected with the lower pressing plate through air piston rods arranged at the front ends of the air cylinders, the air cylinders are arranged on the bottom plate, and the bottom plate, the air cylinders and the air piston rods are arranged in the container.
Further, the upper pressure plate comprises an upper pressure steel plate and a rubber plate A which are arranged up and down;
further, the lower pressing plate comprises a lower pressing steel plate and a rubber plate B which are arranged up and down;
furthermore, the upper plate and the lower pressing plate are connected through 4 pillars;
further, detection tool has been constituteed to upper plate, holding down plate, pillar, compressed air trachea, pneumatic cylinder piston rod, top board.
Furthermore, when the detection device detects, the container is filled with water.
Compared with the prior art, the utility model has the beneficial effects that:
the end cover air tightness detection device applied to the gas vacuum-pumping equipment provided by the utility model is simple in structure and convenient to operate, the workpiece is detected by a method of filling the workpiece cavity with compressed air in water and generating bubbles, the cost of the detection device is greatly reduced, and the qualification rate is improved.
Rubber plates are used for an upper pressing plate and a lower pressing plate in the detection jig, so that the workpiece is prevented from being damaged by clamping, and the sealing performance between the upper pressing plate and the workpiece and the sealing performance between the lower pressing plate and the workpiece are ensured; the hydraulic cylinder and the air cylinder are reasonably used, so that the workpiece is clamped and fixed and is separated from the water surface.
Drawings
The utility model is further illustrated with reference to the following figures and examples:
fig. 1 is a front view of an end cover airtightness detection device applied to a gas evacuation apparatus of the present invention.
Fig. 2 is a front view of the workpiece mounted to the inspection apparatus.
Fig. 3 is a front view of the inspection apparatus after clamping of the workpiece.
Fig. 4 is a front view of the workpiece being inspected by the inspection apparatus.
In the figure, 1, a hydraulic cylinder, 2, an upper plate, 3, a support, 4, a hydraulic cylinder piston rod, 5, a compressed air pipe, 6, an upper pressing steel plate, 7, a workpiece, 8, water, 9, a lower pressing steel plate, 10, a container, 11, an air cylinder, 12, a bottom plate, 13, a rubber plate A, 14, a rubber plate B, 15, an upper pressing plate and 16, a lower pressing plate are arranged in sequence.
Detailed Description
The utility model is further described below with reference to the drawings attached to the specification, but the utility model is not limited to the following examples.
Example 1
A device applied to the end cover airtightness detection of gas vacuum-pumping equipment is shown in figures 1-4, and comprises an upper plate 15, a hydraulic cylinder 1, a cylinder 11, a bottom plate 12 and a lower pressing plate 16; the lower pressing plate 16 is arranged above the upper plate 2, the upper plate 2 is connected with the lower pressing plate 16 through a support column, the top surface of the upper plate 2 is provided with a hydraulic cylinder 1, a hydraulic cylinder piston rod 4 is connected with the hydraulic cylinder 1 after penetrating through the upper plate 2, the bottom of the hydraulic cylinder piston rod 4 is connected with an upper pressing plate 15, a compressed air pipe 5 is arranged on the upper pressing plate 15, 3 air cylinders 11 are arranged below the lower pressing plate 16, the air cylinders 11 are connected with the lower pressing plate 16 through air cylinder piston rods arranged at the front ends, the air cylinders 11 are arranged on the bottom plate 12, and the bottom plate 12, the air cylinders 11 and the air cylinder piston rods are arranged in the container 10.
Further, the upper pressure plate 15 comprises an upper pressure steel plate 6 and a rubber plate A13 which are arranged up and down;
further, the lower pressure plate 16 comprises a lower pressure steel plate 9 and a rubber plate B14 which are arranged up and down;
furthermore, the upper plate 2 and the lower pressing plate 16 are connected through 4 struts;
further, the upper plate 2, the lower pressing plate 16, the pillar, the compressed air pipe 5, the hydraulic cylinder 1, the hydraulic cylinder piston rod 4 and the upper pressing plate 15 form a detection jig.
Further, when the detection device detects, the container 10 is filled with water 8.
The hydraulic cylinder 1 and the upper plate 2 are fixedly connected through 4 bolts;
the rubber plate A13 and the upper pressing steel plate 6 are glued to form an upper pressing plate 15;
the rubber plate B14 and the lower pressing steel plate 9 are glued to form a lower pressing plate 16;
a piston rod 4 of the hydraulic cylinder is fixedly connected with the upper pressure plate 15 through 2 bolts;
the lower pressing plate 16 is fixedly connected with the 3 cylinders 11 through 6 bolts;
the bottom plate 12 is fixedly connected with the 3 cylinders 11 through 12 bolts;
an upper pressing plate 15 and a lower pressing plate 16 of the detection jig support a detection cavity of the workpiece 7 through 4 pillars 3;
the workpiece 7 is placed between the upper pressing plate 15 and the lower pressing plate 16, the workpiece 7 is clamped through the hydraulic cylinder piston rod 4 of the hydraulic cylinder 1 and the air cylinder piston rod of the air cylinder 11, then the cavity of the workpiece 7 is pressurized through the compressed air pipe 5, and whether the air tightness of the workpiece 7 is good or not is identified and judged by observing whether air bubbles are generated on the water surface in the container 10; and finally, ejecting the material out of the water surface through the air cylinder 11 fixed on the bottom plate 12, closing a valve of the hydraulic cylinder 1, releasing compressed air in the workpiece 7 and taking out the workpiece 7.
The specific working method comprises the following steps:
1) opening a switch of the cylinder 11 to enable a piston rod of the cylinder 11 to eject the detection jig;
2) filling the container 10 with water 8;
3) placing the workpiece 7 to be tested in the upper pressing plate 15 and the lower pressing plate 16, and opening a switch to tightly compact the workpiece 7 by the upper pressing plate 15 and the lower pressing plate 16;
4) closing a switch of the air cylinder 11, releasing compressed air in the air cylinder, withdrawing a piston rod of the air cylinder into the cylinder body of the air cylinder 11, and submerging the whole workpiece 7 in water 8 (the workpiece 7 cannot be exposed out of the water surface);
5) pressurizing the cavity of the workpiece 7 by 0.4Mpa through a compressed air pipe 5;
6) standing for 1 minute to observe whether bubbles are generated on the water surface, wherein the bubbles are defective products, and the bubbles are not generated and are good products;
7) 3 cylinders 11 are pressurized to enable cylinder piston rods to push the workpiece 7 out of the water surface;
8) compressed air in the cavity of the workpiece 7 is released through a compressed air pipe 5;
9) closing the hydraulic cylinder 1, prompting the upper pressure plate 15 to release the workpiece 7, and taking out the workpiece 7;
10) the work 1) to 9) is repeated to detect whether the airtightness of the workpiece 7 is good or not.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (5)
1. A device applied to the end cover airtightness detection of gas vacuum-pumping equipment is characterized by comprising an upper plate (2), a hydraulic cylinder (1), a cylinder (11), a bottom plate (12) and a lower pressing plate (16); the lower pressing plate (16) is arranged above the upper plate (2), the upper plate (2) and the lower pressing plate (16) are connected through a support column, a hydraulic cylinder (1) is arranged on the top surface of the upper plate (2), a hydraulic cylinder piston rod (4) penetrates through the upper plate (2) and then is connected with the hydraulic cylinder (1), an upper pressing plate (15) is connected to the bottom of the hydraulic cylinder piston rod (4), a compressed air pipe (5) is arranged on the upper pressing plate (15), a plurality of cylinders (11) are arranged below the lower pressing plate (16), the cylinders (11) are connected with the lower pressing plate (16) through cylinder piston rods arranged at the front ends, the cylinders (11) are arranged on the bottom plate (12), and the bottom plate (12), the cylinders (11) and the cylinder piston rods are arranged in the container (10).
2. The device for detecting the airtightness of the end cover of the gas vacuum-pumping equipment according to claim 1, wherein the upper press plate (15) comprises an upper press steel plate (6) and a rubber plate A (13) which are arranged up and down; the lower pressing plate (16) comprises a lower pressing steel plate (9) and a rubber plate B (14) which are arranged up and down.
3. The device for detecting the airtightness of the end cover of the gas vacuum-pumping equipment according to claim 2, wherein the upper plate (2) and the lower pressing plate (16) are connected by 4 supports.
4. The device for detecting the airtightness of the end cover of the gas vacuum-pumping equipment according to claim 3, wherein the upper plate (2), the lower pressing plate (16), the pillar, the compressed air pipe (5), the hydraulic cylinder (1), the hydraulic cylinder piston rod (4), and the upper pressing plate (15) constitute a detection jig.
5. The device for detecting the airtightness of the end cover of the gas evacuation equipment according to claim 4, wherein the hydraulic cylinder (1) and the upper plate (2) are fixedly connected by 4 bolts; the rubber plate A (13) and the upper pressing steel plate (6) are glued to form an upper pressing plate (15); the rubber plate B (14) and the lower pressing steel plate (9) are glued to form a lower pressing plate (16);
a piston rod (4) of the hydraulic cylinder is fixedly connected with the upper pressure plate (15) through 2 bolts; the lower pressure plate (16) is fixedly connected with each cylinder (11) through 6 bolts; the bottom plate (12) is fixedly connected with each cylinder (11) through 12 bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121176297.9U CN216050521U (en) | 2021-05-28 | 2021-05-28 | Be applied to gas evacuation equipment end cover gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121176297.9U CN216050521U (en) | 2021-05-28 | 2021-05-28 | Be applied to gas evacuation equipment end cover gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216050521U true CN216050521U (en) | 2022-03-15 |
Family
ID=80552109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121176297.9U Active CN216050521U (en) | 2021-05-28 | 2021-05-28 | Be applied to gas evacuation equipment end cover gas tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216050521U (en) |
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2021
- 2021-05-28 CN CN202121176297.9U patent/CN216050521U/en active Active
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