CN214471559U

CN214471559U - Shell leakage tester

Info

Publication number: CN214471559U
Application number: CN202120894335.8U
Authority: CN
Inventors: 杨培
Original assignee: Wuxi Jinbaite Automation Machinery Co ltd
Current assignee: Wuxi Jinbaite Automation Machinery Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-10-22
Anticipated expiration: 2031-04-27

Abstract

A shell leakage tester relates to the field of shell sealing performance test auxiliary devices. The device comprises an upper clamp body, a lower clamp body, a limiting device, an air tightness detector, an industrial control all-in-one machine and the like. A displacement sensor is arranged on the side wall of the top pressure box; one end of the telescopic rod is fixed on the side wall of the jacking box and is arranged right below the displacement sensor; the top end of the top pressing box is connected with the top plate of the clamp through a top pressing rod. The limiting device is used for adjusting the position of the shell in the horizontal direction; in the lower clamp body, the base is arranged on the clamp bottom plate, and the sealing gasket is fixedly arranged on the base. And a marking device is additionally arranged for marking the products qualified in leak detection. The air tightness detector is connected with the upper clamp body and the lower clamp body to detect the air tightness of the shell. The industrial control all-in-one machine controls the moving process, the marking process and the air inflation leakage detection process of the shell. The device has the advantages of effectively reducing detection errors, being accurate in clamping position, being simple to operate and the like.

Description

Shell leakage tester

Technical Field

The utility model relates to a casing leakproofness test auxiliary assembly field especially relates to a casing leakage tester.

Background

The air tightness of a shell of an automobile part needs to be checked when the shell is delivered from a factory, and the existing technology utilizes a valve body, a side cover and self-made related accessories to assemble and clamp in different processes. But often appear complex operation, clamping position inaccurate, leak test inflation leakproofness not enough and manual operation nonconformity with question such as standard in the in-process of test. Therefore, a casing leakage tester is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the leak testing of casing is wrong, complex operation, clamping position are not accurate, leak testing inflation leakproofness is not enough, reduce the leak hunting in the testing process.

In order to achieve the purpose of the utility model, the technical proposal is that:

a shell leakage tester comprises an upper clamp body, a lower clamp body, a clamp bottom plate, a limiting device, a base, an air tightness detector, an industrial control all-in-one machine and a housing; the base is arranged in the housing, and the clamp bottom plate is fixedly arranged on the base; the air tightness detector and the upper clamp body are arranged in the housing; the upper clamp body comprises a top pressure plate, a clamp top plate, a top pressure rod, a top pressure box, a displacement sensor, a telescopic rod, a first air cylinder and a guide rail; the top pressure plate is fixedly arranged on the outer top surface of the top pressure box, the top pressure plate is connected with the top plate of the clamp through a top pressure rod, and the first cylinder is connected with the top plate of the clamp; the guide rail is fixedly arranged on the base and is connected with the clamp top plate; the sensor bracket is arranged on the side wall of the jacking box, and the displacement sensor is arranged on the sensor bracket; one end of the telescopic rod is fixed on the side wall of the jacking box; a push rod is arranged on the top surface in the jacking box; the limiting device comprises a cylinder bracket, a second cylinder and an ejector rod; the air cylinder bracket is fixedly arranged on the clamp bottom plate, the first air cylinder is fixedly arranged on one side of the air cylinder bracket, and the ejector rod is fixedly arranged on the other side of the air cylinder bracket; the lower clamp body comprises a positioning pin, a sealing gasket and a base; the base is arranged on the clamp bottom plate, the sealing gasket is fixedly arranged on the base, and the positioning pin is fixedly arranged on the sealing gasket. The industrial control all-in-one machine is arranged in the housing and is connected with the first cylinder, the second cylinder, the third cylinder and the displacement sensor.

The displacement sensor can be used for detecting the offset condition of the telescopic rod. The second cylinder promotes the ejector pin, and the ejector pin contacts with the telescopic link for go up the anchor clamps body and remove on the horizontal direction like this, in addition the cooperation uses displacement sensor monitoring telescopic link's displacement, the accurate coincidence of the anchor clamps body and the lower anchor clamps body on the messenger that can be accurate, and clamping position is accurate.

The marking device comprises a third cylinder, an L-shaped support and a marking needle, the L-shaped support is fixedly installed on the clamp bottom plate, the marking needle is fixedly installed on one side of the L-shaped support, and the second cylinder is fixedly installed on the other side of the L-shaped support. The shell which is qualified in leak detection is marked by the marking device, so that qualified and unqualified products can be distinguished conveniently, and the reduction of test errors is facilitated.

Specifically, the telescopic rod is sleeved with a spring. The protection to the telescopic rod is increased.

Specifically, sealed the being equipped with a plurality of stoppers that fill up, the stopper is favorable to fixed casing position.

Specifically, a rectangular spring is arranged at the top end of the jacking box.

Specifically, the push rod is sleeved with a spring. The protection to the push rod is increased.

Specifically, a bottom plate guide pillar is arranged at the bottom end of the top pressure box, and a guide pillar hole corresponding to the bottom plate guide pillar is formed in the base. Therefore, the upper clamp body and the lower clamp body are matched up and down, and the accuracy of the clamping position is ensured.

Specifically, the top end of the jacking box is provided with an inflation hole. The top end of the jacking box is provided with the inflation hole, so that the guide pipe of the air tightness detector can be inserted into the inflation hole to perform inflation leakage detection on the shell to be tested.

Specifically, the housing is provided with at least 4 indicator lamps, and the indicator lamps are connected with the industrial control all-in-one machine. The indicator light can help the operator to monitor the running condition of the equipment.

To sum up, the utility model discloses the device has following advantage:

1. the device is equipped with and marks the mark device, carries out obvious mark to qualified product to the process of shell body leakage, distinguishes qualified and unqualified product, can effectively reduce like this and detect the mistake.

2. The device utilizes the conjunction of upper and lower anchor clamps on the vertical direction, and the cooperation utilizes stop device to make the position that the casing is pressed from both sides tight accurate on the horizontal direction.

3. The device is simple to operate. Through using the automatic control casing process of leaking hunting of industry control all-in-one, operating personnel only need place the casing on anchor clamps, and the device just can leak hunting voluntarily, need not all the other manual operations.

Drawings

FIG. 1 is a schematic view of a leak testing jig of a casing leak testing machine;

FIG. 2 is a side view of a leak testing fixture in a casing leak tester;

FIG. 3 is a schematic view of a partial structure of an upper clamp body of a leak testing clamp of a shell leak testing machine

FIG. 4 is a top view of a leak testing fixture in a casing leak tester;

fig. 5 is a partial structural schematic view of a lower clamp body in a leakage test clamp of a shell leakage test machine.

FIG. 6 is a schematic structural diagram of a casing leakage tester;

fig. 7 is a side view of a casing leak tester.

Reference numerals: 1, pressing a plate; 2, clamping a top plate; 3, a top pressure lever; 4, a displacement sensor; 5, telescoping a rod; 6 a sensor holder; 7 a third cylinder; an 8L-shaped bracket; 9 marking a marking needle; 10 a shell; 11 a baseplate guide post; 12 a rectangular spring; 13 a spring; 14 a clamp base plate; 15 pressing the box; 16 push rods; 17, a mandril; 18 positioning pins; 19 a base; 20 a gasket; 21 a guide post hole; 22 a second cylinder; 23, a housing; 24 guide rails; 25 a first cylinder; 26 an air tightness detector; 27, an industrial control all-in-one machine; 28, a base.

Detailed Description

The present invention will be further described with reference to fig. 1 to 5.

A shell leakage tester comprises an upper clamp body, a lower clamp body, a clamp bottom plate 14, a limiting device, a base 28, an air tightness detector 26, an industrial control integrated machine 27 and a housing 23.

A shell leakage tester comprises an upper clamp body, a lower clamp body, a clamp bottom plate, a limiting device, a marking device, a base 28, an air tightness detector 26, an industrial control integrated machine 27 and a housing 23; the base 28 is arranged in the housing 23, and the clamp bottom plate is fixedly arranged on the base 28; the air tightness detector 26 and the upper clamp body are arranged in the housing 23;

the upper clamp body comprises a top pressure plate 1, a clamp top plate 2, a top pressure rod 3, a top pressure box 15, a displacement sensor 4, an expansion rod 5, a first cylinder 25 and a guide rail 24; the jacking plate 1 is fixedly arranged on the outer top surface of the jacking box 15, the jacking plate 1 is connected with the clamp top plate 2 through a top pressure rod 3, and the first air cylinder 25 is connected with the clamp top plate 2; the guide rail 24 is fixedly arranged on the base 28, and the guide rail 24 is connected with the clamp top plate 2; the sensor bracket 6 is arranged on the side wall of the top pressing box 15, and the displacement sensor 4 is arranged on the sensor bracket 6; one end of the telescopic rod 5 is fixed on the side wall of the jacking box; a push rod 16 is arranged on the top surface in the jacking box, a spring is sleeved on the telescopic rod 5, and two inflation holes are arranged at the top end of the jacking box.

The lower clamp body comprises a positioning pin 18, a sealing gasket 20 and a base 19; the base 19 is arranged on the bottom plate of the clamp, the sealing gasket 20 is fixedly arranged on the base 19, and the positioning pin 18 is fixedly arranged on the sealing gasket 20. The industrial control integrated machine 27 is arranged in the housing 23, and the industrial control integrated machine 27 is connected with the first cylinder 25, the second cylinder 22, the third cylinder 7 and the displacement sensor 4. Be equipped with a plurality of stoppers on sealed 20, the stopper is favorable to fixed casing 10 position. The base 19 is provided with a guide post hole 21 corresponding to the guide post of the bottom plate.

The limiting device comprises a cylinder bracket, a second cylinder 22 and a mandril 17; the cylinder support is fixedly arranged on the clamp bottom plate, the first cylinder 25 is fixedly arranged on one side of the cylinder support, and the ejector rod 17 is fixedly arranged on the other side of the cylinder support. The top end of the top pressure box is provided with a rectangular spring 12. The bottom end of the top pressing box is provided with a bottom plate guide post 11.

The marking device comprises a third cylinder 7, an L-shaped support 8 and a marking needle 9, wherein the L-shaped support 8 is fixedly installed on the bottom plate of the clamp, the marking needle 9 is fixedly installed on one side of the L-shaped support 8, and a second cylinder 22 is fixedly installed on the other side of the L-shaped support 8. The shell 10 qualified in leak detection is marked by the marking device, so that qualified products and unqualified products can be distinguished conveniently, and the testing error can be reduced.

The housing 23 is provided with 3 indicator lights which are respectively a qualified light, an unqualified light and an operation light. The indicator light is connected with the industrial personal computer 27.

When the shell leakage test clamp works, the operation lamp is on, the first part of the shell 10 is fixedly installed on the sealing gasket 20 of the lower clamp body, the second part of the shell 10 is fixedly installed in the jacking box 15 of the upper clamp body, the industrial control integrated machine 27 pushes the clamp top plate to move downwards along the guide rail 24 by starting the first air cylinder 25, and therefore the jacking box 15 moves downwards. Then the push rod 16 is pushed to accurately control the shell 10 to move, the industrial control integrated machine 27 starts a second air cylinder 22 in the limiting device, the second air cylinder 22 pushes the ejector rod 17 to compress the telescopic rod 5 so that the jacking box 15 moves in the horizontal direction, and the displacement sensor 4 monitors the pushed distance of the telescopic rod 5 until the bottom plate guide post 11 is matched with the position of the guide post hole 21 at the bottom of the lower clamp body. After the upper clamp body is matched with the lower clamp body in position, the air tightness detector 26 inflates the shell 10, and then the shell 10 is inspected to determine whether air leaks. If the shell 10 is not air-leaked, the marking pin 9 is pushed by the third cylinder 7 to mark the shell 10, and at the moment, a qualified lamp on the housing 23 is displayed to be bright. If the housing 10 leaks air, marking is not performed, and the unqualified lamp is on.

From the above description, the case leakage test fixture has the following advantages:

It should be understood that the above detailed description of the present invention is only for illustrative purposes and is not limited to the technical solutions described in the embodiments of the present invention. It will be understood by those skilled in the art that the present invention may be modified and equivalents may be substituted to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims

1. A shell leakage tester is characterized by comprising an upper clamp body, a lower clamp body, a clamp bottom plate, a limiting device, a base, an air tightness detector, an industrial control all-in-one machine and a housing; the base is arranged in the housing, and the clamp bottom plate is fixedly arranged on the base; the air tightness detector and the upper clamp body are arranged in the housing;

the upper clamp body comprises a top pressure plate, a clamp top plate, a top pressure rod, a top pressure box, a displacement sensor, a telescopic rod, a first air cylinder and a guide rail; the top pressure plate is fixedly arranged on the top surface outside the top pressure box, the top pressure plate is connected with the top plate of the clamp through a top pressure rod, and the first air cylinder is connected with the top plate of the clamp; the guide rail is fixedly arranged on the base and is connected with the clamp top plate; the side wall of the jacking box is provided with a sensor bracket, and the displacement sensor is arranged on the sensor bracket; one end of the telescopic rod is fixed on the side wall of the jacking box; a push rod is arranged on the top surface in the jacking box;

the limiting device comprises a cylinder bracket, a second cylinder and an ejector rod; the air cylinder support is fixedly arranged on the clamp bottom plate, the first air cylinder is fixedly arranged on one side of the air cylinder support, and the ejector rod is fixedly arranged on the other side of the air cylinder support;

the lower clamp body comprises a positioning pin, a sealing gasket and a base; the base is arranged on the clamp bottom plate, the sealing pad is fixedly arranged on the base, and the positioning pin is fixedly arranged on the sealing pad;

the industrial control all-in-one machine is arranged in the housing and is connected with the first cylinder, the second cylinder, the third cylinder and the displacement sensor.

2. The shell leakage tester according to claim 1, further comprising a marking device, wherein the marking device comprises a third cylinder, an L-shaped support and a marking needle, the L-shaped support is fixedly mounted on the clamp bottom plate, the marking needle is fixedly mounted on one side of the L-shaped support, and the third cylinder is fixedly mounted on the other side of the L-shaped support.

3. The casing leakage tester of claim 1, wherein the telescopic rod is sleeved with a spring.

4. The casing leakage tester of claim 1, wherein the gasket is provided with a plurality of stoppers.

5. The casing leakage tester as claimed in claim 1, wherein a rectangular spring is provided at the top end of the top pressure box.

6. The casing leakage tester of claim 1, wherein the push rod is sleeved with a spring.

7. The casing leakage tester as claimed in claim 1, wherein the bottom of the top pressing box is provided with a bottom plate guide post, and the base is provided with a guide post hole corresponding to the bottom plate guide post.

8. The casing leakage tester as claimed in claim 1, wherein an air hole is formed at the top end of the top pressure box.