CN219015542U

CN219015542U - Valve inflation leak detection equipment

Info

Publication number: CN219015542U
Application number: CN202320027085.7U
Authority: CN
Inventors: 肖峰
Original assignee: Dongguan Jiusi Automation Technology Co ltd
Current assignee: Dongguan Jiusi Automation Technology Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-05-12
Anticipated expiration: 2033-01-06

Abstract

The utility model relates to the technical field of valve detection equipment, in particular to valve inflation leakage detection equipment which comprises a machine table, a lifting disc movably arranged on the machine table, a lifting driving device arranged on the machine table, a first sealing device, a second sealing device and a third sealing device, wherein the machine table is provided with a positioning cavity for fixing a product, the lifting disc is arranged around the positioning cavity, and a plurality of compression blocks are arranged on the lifting disc; the first sealing device, the second sealing device and the third sealing device are respectively arranged around the outer side of the lifting disc. According to the utility model, the lifting disc drives the plurality of compression blocks to compress and fix the valve, so that the valve is prevented from shifting in position during inflation detection, and meanwhile, the first sealing device, the second sealing device and the third sealing device are used for completely blocking and sealing a plurality of vent holes of the valve respectively, so that gas is prevented from leaking from the vent holes, and the accuracy of product detection is provided.

Description

Valve inflation leak detection equipment

Technical Field

The utility model relates to the technical field of valve detection equipment, in particular to valve inflation leakage detection equipment.

Background

The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. Therefore, the valve has wide application in various fields under the current trend of industrial development. Therefore, the airtight test of the valve before delivery is an important link, manufacturers need to carry out strict inflation leak detection on the valve, delivery can be carried out only if the valve is qualified, and otherwise, the valve has great potential safety hazard.

The traditional valve leak detection process comprises the following steps: and all through holes connected with the outside on the valve are plugged by using plugs which are simply and roughly processed such as nylon plugs, cork plugs, rubber plugs and the like, and then the air leakage is detected by manually inflating. The process is operated by manpower, the manual plug plugging operation is complicated, the working time is slow, and whether the through hole is plugged by the manpower or not is difficult to ensure, so that the measurement standard is not uniform, the production efficiency is low, and the delivery quality of products is affected.

Disclosure of Invention

The utility model aims to provide valve inflation leakage detection equipment which can automatically compress and fix a valve and seal all air ports of the valve aiming at the defects of the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides valve inflation leakage detection equipment which comprises a machine table, a lifting disc movably arranged on the machine table, a lifting driving device, a first sealing device, a second sealing device and a third sealing device, wherein the lifting driving device is arranged on the machine table and used for driving the lifting disc to lift, the machine table is provided with a positioning cavity for fixing a product, the lifting disc is arranged around the positioning cavity, and a plurality of compression blocks are arranged on the lifting disc; the first sealing device, the second sealing device and the third sealing device are respectively arranged around the outer side of the lifting disc.

The first sealing device comprises a support arranged on the machine table, a sealing plug arranged on the support and a plug driving cylinder arranged on the support and used for driving the sealing plug to move.

The lifting driving device comprises a support arranged below the machine table, a first lifting driving cylinder arranged on the support, a lifting block movably arranged below the machine table and a sliding rod arranged on the machine table in a sliding mode, wherein the lifting block is connected with a piston rod of the first lifting driving cylinder, one end of the sliding rod penetrates through the machine table to be connected with the lifting disc, and the other end of the sliding rod is connected with the lifting block.

The valve inflation leak detection equipment further comprises a telescopic driving mechanism for driving the compression block to stretch out and draw back.

Further, the telescopic driving mechanism comprises a fixed seat arranged on the lifting disc, a top block arranged on the machine table and a reset elastic piece arranged on the fixed seat, the compression block is arranged on the fixed seat in a sliding manner, and the top block is arranged on the outer side of the lifting disc and corresponds to the compression block in position; one end of the compaction block, which is close to the top block, is abutted against one side of the top block through a shaft wheel; one side of the top block, which is close to the compression block, gradually protrudes outwards to form an inclined plane.

Further, a positioning seat is arranged on the machine table, a sliding groove is formed in the positioning seat, and the top block is arranged in the sliding groove in a sliding manner; the machine table is provided with a second lifting driving cylinder for driving the top block to move up and down.

Wherein, the one end that the compact heap is close to the location chamber is provided with the slope.

The utility model has the beneficial effects that:

according to the valve inflation leakage detection equipment provided by the utility model, the lifting disc drives the plurality of compression blocks to compress and fix the valve, so that the valve is prevented from shifting in position during inflation detection, and meanwhile, the plurality of vent holes of the valve are completely blocked and sealed through the first sealing device, the second sealing device and the third sealing device respectively, so that gas is prevented from leaking from the vent holes, and the accuracy of product detection is provided. The whole process does not need manual operation, and the problems of detection errors and low efficiency caused by manual operation are effectively solved.

Drawings

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

FIG. 2 is a top view of the present utility model;

FIG. 3 is a schematic view of the hidden chassis of the present utility model;

fig. 4 is a partial structural cross-sectional view of the present utility model.

Description of the reference numerals

1, a machine table; 2-lifting disc; 3-a first sealing device; 4-a second sealing device; 5-a third sealing device; 11-positioning cavity; 12-a bracket; 13-lifting blocks; 14-a sliding rod; 15-a first lifting driving cylinder; 21-a compaction block; 211-slope surface; 22-fixing seats; 23-resetting the elastic member; 24-arbor wheel; 25-top blocks; 251-incline; 26-positioning seats; 27-a sliding groove; 28-a second lifting driving cylinder; 31-supporting seat; 32-sealing the plug; 33-plug-driven cylinder.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model. The present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the valve inflation leakage detection apparatus provided by the utility model comprises a machine 1, a lifting disc 2 movably arranged on the machine 1, a lifting driving device arranged on the machine 1 and used for driving the lifting disc 2 to lift, a first sealing device 3, a second sealing device 4 and a third sealing device 5, wherein the machine 1 is provided with a positioning cavity 11 used for fixing a product, the lifting disc 2 is arranged around the positioning cavity 11, and a plurality of compacting blocks 21 are arranged on the lifting disc 2; the first sealing device 3, the second sealing device 4 and the third sealing device 5 are respectively arranged around the outer side of the lifting disc 2. Specifically, the number of the pressing blocks 21 is plural, and the pressing blocks are all arranged around the lifting disc 2 in a certain angle array, and the specific number can be determined according to actual use conditions. The present embodiment is exemplified by three sealing devices, and the number thereof may be determined according to the characteristics of the product, not limited to three sealing devices. The first sealing device 3 and the second sealing device 4 are respectively arranged at the left side and the right side of the lifting disc 2 and are symmetrically arranged, and the third sealing device 5 is arranged at the upper side of the lifting disc 2 and is positioned at the center between the first sealing device 3 and the second sealing device 4.

In practical application, the valve product to be detected is placed in the positioning cavity 11 of the machine 1, then the lifting driving device drives the lifting disc 2 to descend, and the descending lifting disc 2 drives the compressing block 21 to compress the bottom of the valve product on the machine 1 for fixing. Then, the first sealing device 3, the second sealing device 4 and the third sealing device 5 respectively seal the left air outlet, the right air outlet and the air inlet of the valve, so that the valve forms a sealing state. Finally, the test system of the device is started and starts to inject gas into the valve to detect the air tightness, and whether the valve has air leakage or not in an inflation state of a certain air pressure is detected. If the valve product is qualified, the display screen of the detection device can display that the green light representation passes; if the product is unqualified, the display screen of the detection device can display a red light and the buzzer can sound at the same time. According to the utility model, the lifting disc 2 drives the plurality of compression blocks 21 to compress and fix the valve, so that the valve is prevented from position deviation during inflation detection, and meanwhile, the plurality of vent holes of the valve are completely blocked and sealed through the first sealing device 3, the second sealing device 4 and the third sealing device 5 respectively, so that gas is prevented from leaking from the vent holes, and the accuracy of product detection is provided. The whole process does not need manual operation, and the problems of detection errors and low efficiency caused by manual operation are effectively solved.

In this embodiment, the first sealing device 3 includes a support 31 disposed on the machine 1, a sealing plug 32 disposed on the support 31, and a plug driving cylinder 33 disposed on the support 31 and used for driving the sealing plug 32 to move. Specifically, the closure plug 32 is made of a soft material.

In practice, the closure stopper 32 is connected to the piston rod of a stopper-driving cylinder 33. After the valve product is placed and fixed on the positioning cavity 11 of the machine table 1, the plug driving cylinder 33 drives the sealing plug 32 to move towards the vent hole of the valve until the sealing plug 32 seals the vent hole. The structure is simple and compact in design and stable and reliable in operation.

Specifically, the structure of the second sealing device 4 and the structure of the third sealing device 5 are the same as the structure of the first sealing device 3, and will not be described herein.

In this technical scheme, lift drive includes the support 12 that sets up in the below of board 1, sets up first lift drive cylinder 15 on support 12, the movable lifter 13 that sets up in the below of board 1 and the slide bar 14 that slides and set up in board 1, lifter 13 is connected with the piston rod of first lift drive cylinder 15, the one end of slide bar 14 passes board 1 and is connected with lifting disk 2, the other end of slide bar 14 is connected with lifter 13. In practical application, the first lifting driving cylinder 15 drives the lifting block 13 to lift, and the lifting block 13 drives the sliding rod 14 to lift, so as to drive the lifting disc 2 to lift. The structure has simple and compact design, stable and reliable operation and convenient maintenance.

In this technical scheme, the valve is inflated and is leaked detection equipment still includes the flexible actuating mechanism that is used for driving compact heap 21 flexible. The telescopic driving mechanism can improve the use flexibility of the valve and is convenient for the fixed installation and the disassembly of the valve by driving the extension and the shortening of the compressing block 21.

In practical application, after the valve is placed in the positioning cavity 11 of the machine 1, the lifting disc 2 drives the compressing block 21 to descend, and the telescopic driving mechanism drives the compressing block 21 to extend, so that the compressing block 21 can be ensured to be in contact with the bottom of the valve and be compressed on the machine 1. After the detection is completed, the lifting disc 2 drives the compressing block 21 to ascend, and the telescopic driving mechanism drives the compressing block 21 to retract, so that the valve can be easily taken.

In this technical scheme, the telescopic driving mechanism includes a fixed seat 22 disposed on the lifting disk 2, a top block 25 disposed on the machine 1, and a reset elastic member 23 disposed on the fixed seat 22, the compression block 21 is slidably disposed on the fixed seat 22, and the top block 25 is disposed on the outer side of the lifting disk 2 and is disposed corresponding to the position of the compression block 21; one end of the compression block 21, which is close to the top block 25, is abutted against one side of the top block 25 through a shaft wheel 24; the side of the top block 25 near the compressing block 21 gradually protrudes outwards to form an inclined plane 251. Preferably, the return elastic member 23 is a spring, one end of the spring is connected with the pressing block 21, and the other end of the spring is connected with the fixing seat 22. In practical application, the lifting disc 2 drives the fixing seat 22 to descend when descending, and the pressing block 21 is driven to descend by the descending of the fixing seat 22; in the descending process of the compression block 21, the shaft wheel 24 at the tail end of the compression block 21 moves downwards along the inclined plane 251 of the ejector block 25, and along with the continuous descending of the compression block 21, the inclined plane 251 raised by the ejector block 25 gradually ejects the compression block 21 towards the center direction of the positioning cavity 11, so that the compression block 21 moves towards the center of the positioning cavity 11, the extension of the compression block 21 is realized, and the spring is in a stretched state; conversely, when the lifting disk 2 ascends, the pressing block 21 is driven to ascend, and at the moment, the pressing block 21 is gradually reset and retracted under the tensile force of the spring. The structure has the advantages of simple and ingenious design, compact structure and stable and accurate action.

In the present technical solution, the machine 1 is provided with a positioning seat 26, the positioning seat 26 is provided with a sliding groove 27, and the top block 25 is slidably disposed in the sliding groove 27; the machine 1 is provided with a second lifting driving cylinder 28 for driving the top block 25 to move up and down. In practice, the bottom of the valve is further compressed by the compression block 21. The ejector block 25 can be driven to move upwards by the second lifting driving cylinder 28, and the ejector block 25 which moves upwards can eject the compression block 21 outwards again, so that the compression block 21 is ensured to compress a valve product on the machine table 1, and meanwhile, the compression block 21 is prevented from loosening in the inflation process, so that the working stability of the utility model is improved, and the accuracy of product testing is improved.

In this embodiment, a slope surface 211 is disposed at one end of the pressing block 21 near the positioning cavity 11. The design of the ramp surface 211 can enable the pressing block 21 to smoothly contact with the bottom of the valve and realize pressing when the pressing block is extended, and particularly when the pressing block is ejected again by the ejector block 25, the ramp surface 211 can better contact with the bottom of the valve, so that the pressure area is increased, and the valve is fixed more firmly.

The present utility model is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present utility model.

Claims

1. Valve inflation leak hunting check out test set, its characterized in that: the lifting device comprises a machine table, a lifting disc movably arranged on the machine table, a lifting driving device, a first sealing device, a second sealing device and a third sealing device, wherein the lifting driving device is arranged on the machine table and used for driving the lifting disc to lift, the machine table is provided with a positioning cavity for fixing a product, the lifting disc is arranged around the positioning cavity, and a plurality of compression blocks are arranged on the lifting disc; the first sealing device, the second sealing device and the third sealing device are respectively arranged around the outer side of the lifting disc.

2. The valve inflation leak detection apparatus of claim 1, wherein: the first sealing device comprises a support arranged on the machine table, a sealing plug arranged on the support and a plug driving cylinder arranged on the support and used for driving the sealing plug to move.

3. The valve inflation leak detection apparatus of claim 1, wherein: the lifting driving device comprises a support arranged below the machine table, a first lifting driving cylinder arranged on the support, a lifting block movably arranged below the machine table and a sliding rod arranged on the machine table in a sliding mode, wherein the lifting block is connected with a piston rod of the first lifting driving cylinder, one end of the sliding rod penetrates through the machine table to be connected with the lifting disc, and the other end of the sliding rod is connected with the lifting block.

4. The valve inflation leak detection apparatus of claim 1, wherein: the valve inflation leak detection equipment further comprises a telescopic driving mechanism for driving the compression block to stretch out and draw back.

5. The valve inflation leak detection apparatus of claim 4, wherein: the telescopic driving mechanism comprises a fixed seat arranged on the lifting disc, a jacking block arranged on the machine table and a reset elastic piece arranged on the fixed seat, the compression block is arranged on the fixed seat in a sliding manner, and the jacking block is arranged on the outer side of the lifting disc and corresponds to the compression block in position; one end of the compaction block, which is close to the top block, is abutted against one side of the top block through a shaft wheel; one side of the top block, which is close to the compression block, gradually protrudes outwards to form an inclined plane.

6. The valve inflation leak detection apparatus of claim 5, wherein: the machine table is provided with a positioning seat, the positioning seat is provided with a sliding groove, and the top block is arranged in the sliding groove in a sliding way;

the machine table is provided with a second lifting driving cylinder for driving the top block to move up and down.

7. A valve inflation leak detection apparatus as claimed in any one of claims 1 to 6, wherein: one end of the compaction block, which is close to the positioning cavity, is provided with a slope surface.