CN216591053U

CN216591053U - Automatic valve seat pressing device

Info

Publication number: CN216591053U
Application number: CN202121788563.3U
Authority: CN
Inventors: 林康生
Original assignee: Zhejiang Ansheng Mechanical Manufacture Co ltd
Current assignee: Zhejiang Ansheng Mechanical Manufacture Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-05-24
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses an automatic pressure valve seat device, which comprises a water tank, wherein a supporting mechanism is fixedly arranged at the inner bottom of the water tank, a supporting plate is arranged at the upper part of the supporting plate, and a return spring is fixedly connected at the bottom of the supporting plate; a vertical downward pressing cylinder is installed on the top plate, a pressing mechanism is fixedly installed at the lower end of the pressing cylinder, a pressing cylinder is fixedly installed on the lifting plate, a hollow cylinder is fixedly connected to the lower end of the pressing cylinder, a sealing inflation head is fixedly communicated with the lower end of the hollow cylinder, a side sealing plug is fixedly connected to the lower end of the crank, and one end of the horizontal cylinder is in transmission connection with the upper end of the crank through a connecting rod; the hollow cylinders in the groups are mutually communicated through the soft air pipes, one side of one hollow cylinder in the group is communicated with the high-pressure air pipe, and the high-pressure air pipe is provided with the electromagnetic valve. The machine replaces most of manpower work by machinery, so that manpower is reduced; utilize PLC controller to control, realized the automation mechanized operation of pressure disk seat, improved efficiency.

Description

Automatic valve seat pressing device

Technical Field

The utility model relates to the technical field of detection of gas cylinder sealing performance, in particular to an automatic pressure valve seat device.

Background

The gas cylinder is a movable pressure container which can be repeatedly inflated and used under normal environment and is used for containing permanent gas, liquefied gas or dissolved gas. It is a pressure-bearing equipment, has explosion hazard, and its bearing medium generally has the properties of inflammable, explosive, toxic and strong corrosion, etc., and can be divided into welded gas cylinder, pipe gas cylinder, punching-drawing gas cylinder and winding gas cylinder according to the production method.

After the valve seat is produced and installed in the gas cylinder, the tightness of the installation condition of the valve seat needs to be detected, and the gas cylinder can enter the next procedure after the detection is qualified; the gas cylinder is usually manually pressed into water for detection, a large amount of manpower is consumed, and the efficiency is low; to this end, we propose an automatic pressure valve seat device.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an automatic pressure valve seat device to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

an automatic pressure valve seat device, comprising a water tank:

the supporting mechanism is fixedly arranged at the inner bottom of the water tank and comprises a supporting column and a supporting plate which is slidably arranged on the supporting column, a supporting plate is arranged at the upper part of the supporting plate, a return spring is fixedly connected to the bottom of the supporting plate, and the lower end of the return spring is fixedly connected to the inner bottom of the water tank;

the top of the supporting column is fixedly connected with a top plate, a vertical downward pressing cylinder is installed on the top plate, a pressing mechanism is fixedly installed at the lower end of the pressing cylinder, the pressing mechanism comprises a lifting plate which is slidably installed on the supporting column, a plurality of groups of pressing cylinders are fixedly installed on the lifting plate, a hollow cylinder is fixedly connected to the lower end of the pressing cylinder, a sealing inflation head is fixedly communicated with the lower end of the hollow cylinder, a crank is hinged to one side of the hollow cylinder through a pin boss, a side sealing plug is fixedly connected to the lower end of the crank, the side surface of the lifting plate is connected with a horizontal cylinder through a connecting rod, and one end of a piston rod of the horizontal cylinder is in transmission connection with the upper end of the crank through a connecting rod;

the hollow cylinders in the groups are mutually communicated through the soft air pipes, one side of each hollow cylinder in the group is communicated with the high-pressure air pipe, and the high-pressure air pipe is provided with the electromagnetic valve.

Through adopting above-mentioned technical scheme, realized placing the gas cylinder on the supporting disk after, utilize hold-down mechanism to press from both sides opening and gas outlet on the tight and sealed gas cylinder disk seat, then through pushing down under the cylinder impresses the basin liquid level with the gas cylinder, open the solenoid valve again and let in high-pressure gas, carry out the leakproofness and detect, whole journey need not a large amount of manpowers, utilizes mechanical operation, and has improved efficiency.

Preferably, still include the PLC controller, the control output of PLC controller is connected with the automatically controlled end of pushing down the cylinder, compressing tightly cylinder, horizontal cylinder and solenoid valve respectively.

Through adopting above-mentioned technical scheme, utilize the PLC controller, when pressing valve seat and gas cylinder to detect, only need place the gas cylinder back on the supporting disk, all the other operations all can be accomplished by PLC controller control is automatic, need not too much intervention of manpower, detection efficiency is high.

Preferably, the bottom surface of the sealing inflation head is embedded with a sealing rubber ring, and one end of the side plugging head is embedded with a sealing rubber block.

By adopting the technical scheme, the sealing rubber ring plays a role in sealing the edge of the through opening at the upper end of the valve seat, and the middle part of the sealing rubber ring can be ventilated; and the sealing rubber block plays a role in sealing the air outlet.

Preferably, one end of the connecting rod is hinged with the upper end of the crank through a pin shaft, and the other end of the connecting rod is hinged with one end of the horizontal cylinder piston rod through a pin shaft.

Through adopting above-mentioned technical scheme, utilize the connecting rod to make horizontal cylinder can push and pull the one end of crank in a flexible way.

Preferably, the pin seat is connected with the middle part of the crank through a pin shaft.

Through adopting above-mentioned technical scheme for the crank carries out the micro-rotation around the key seat.

Preferably, the support plate is provided with a first sliding hole, and the lower part of the support column penetrates through the first sliding hole in a sliding manner.

Through adopting above-mentioned technical scheme, the backup pad can slide from top to bottom on the support column.

Preferably, the two ends of the lifting plate are provided with second sliding holes, and the upper parts of the supporting columns penetrate through the second sliding holes in a sliding manner.

Through adopting above-mentioned technical scheme, the lifter plate can slide from top to bottom on the support column.

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

the method comprises the steps that a through hole and an air outlet of a valve seat on the air bottle are plugged and compressed through a compressing mechanism, the air bottle is pressed into water through a downward pressing cylinder, then a solenoid valve is opened to introduce high-pressure air into the air bottle, and then the air tightness of the valve seat installation is detected; after the detection is finished, the gas cylinder rises back out under the action of the return spring, so that the gas cylinder is convenient to collect; the machine replaces most of manpower work, so that manpower is reduced; and utilize the PLC controller to control, realized pressing the automatic operation that valve seat and gas cylinder detected, improved efficiency.

Drawings

FIG. 1 is a schematic diagram of a prior art gas cylinder with only a valve seat;

FIG. 2 is a schematic structural view of the pressing mechanism of the present invention;

FIG. 3 is a schematic structural view of the support mechanism of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 5 is a schematic view showing the inner structure of the hollow cylinder of the present invention;

FIG. 6 is a schematic structural view of the side blocking head of the present invention;

FIG. 7 is a block diagram of the electrical connection of the present invention.

In the figure: 1. a gas cylinder; 2. a valve seat; 3. an air outlet; 4. a water tank; 5. a support pillar; 6. a support plate; 601. a first slide hole; 602. a support disc; 603. a return spring; 7. a top plate; 8. a lifting plate; 801. a second slide hole; 9. pressing down the air cylinder; 10. a pressing cylinder; 11. a connecting rod; 12. a horizontal cylinder; 13. a connecting rod; 14. a crank; 15. side sealing plugs; 1501. sealing the rubber block; 16. sealing the inflation head; 1601. sealing the rubber ring; 17. a hollow cylinder; 18. a pin boss; 19. a high-pressure air pipe; 20. an electromagnetic valve; 21. softening the trachea; 22. a PLC controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, after a valve seat 2 is installed, a through hole is formed at the upper end of the valve seat 2, and an air outlet 3 is formed at the side surface of the valve seat 2 in the conventional gas cylinder 1; when the sealing detection is carried out, the air outlet 3 needs to be blocked, and high-pressure air is introduced into the through hole in a sealing manner; then the gas cylinder 1 is pressed into the water tank 4, whether bubbles exist on the liquid surface of the water tank 4 or not is observed, and the existence of the bubbles indicates that a ventilation point exists at the installation position of the valve seat 2.

Referring to fig. 2-7, the present invention provides a technical solution:

an automatic pressure valve seat device comprises a water tank 4,

the inner bottom of the water tank 4 is fixedly provided with a supporting mechanism, the supporting mechanism comprises a supporting column 5 and a supporting plate 6 which is slidably arranged on the supporting column 5, the upper part of the supporting plate 6 is provided with a supporting plate 602, the bottom of the supporting plate 6 is fixedly connected with a return spring 603, and the lower end of the return spring 603 is fixedly connected with the inner bottom of the water tank 4;

the top of the supporting column 5 is fixedly connected with a top plate 7, a downward vertical pressing cylinder 9 is installed on the top plate 7, a pressing mechanism is fixedly installed at the lower end of the pressing cylinder 9, the pressing mechanism comprises a lifting plate 8 which is slidably installed on the supporting column 5, a plurality of groups of pressing cylinders 10 are fixedly installed on the lifting plate 8, a hollow cylinder 17 is fixedly connected to the lower end of the pressing cylinder 10, a sealing inflation head 16 is fixedly communicated with the lower end of the hollow cylinder 17, a crank 14 is hinged to one side of the hollow cylinder 17 through a pin boss 18, a side sealing plug 15 is fixedly connected to the lower end of the crank 14, a horizontal cylinder 12 is connected to the side face of the lifting plate 8 through a connecting rod 11, and one end of a piston rod of the horizontal cylinder 12 is in transmission connection with the upper end of the crank 14 through a connecting rod 13;

the plurality of groups of hollow cylinders 17 are communicated with each other through soft air pipes 21, one side of one group of hollow cylinders 17 is communicated with a high-pressure air pipe 19, and the high-pressure air pipe 19 is provided with an electromagnetic valve 20.

In this embodiment, as shown in fig. 7, the device further includes a PLC controller 22, wherein a control output end of the PLC controller 22 is connected to the electric control ends of the pressing cylinder 9, the pressing cylinder 10, the horizontal cylinder 12, and the electromagnetic valve 20, respectively.

Utilize PLC controller 22, when pressing valve seat and gas cylinder 1 to detect, only need place gas cylinder 1 back on supporting disk 602, all the other operations can all be accomplished by PLC controller 22 control is automatic, need not too much intervention of manpower, detection efficiency is high.

As shown in fig. 5 and 6, a sealing rubber ring 1601 is fitted on the bottom surface of the sealing inflation head 16, and a sealing rubber block 1501 is fitted on one end of the side choke plug 15.

The sealing rubber ring 1601 has the function of sealing the edge of the through hole at the upper end of the valve seat 2, and the middle part of the sealing rubber ring can be ventilated; and the sealing rubber block 1501 plays a role of sealing the air outlet 3.

Specifically, as shown in fig. 4, one end of the connecting rod 13 is hinged to the upper end of the crank 14 through a pin, and the other end of the connecting rod 13 is hinged to one end of the piston rod of the horizontal cylinder 12 through a pin. And in practice, the pin seat 18 is pinned with the middle of the crank 14 by a pin shaft.

The connecting rod 13 plays a role in middle movable connection; the connecting rod 13 enables the horizontal cylinder 12 to flexibly push and pull one end of the crank 14, so that the crank 14 can rotate slightly around the pin boss 18, the slight rotation does not affect the horizontal cylinder 12, and the crank 14 can be pulled by the horizontal cylinder 12.

In practice, the supporting plate 6 is provided with a first sliding hole 601, and the lower portion of the supporting column 5 slidably penetrates through the first sliding hole 601. The two ends of the lifting plate 8 are provided with second sliding holes 801, and the upper part of the supporting column 5 penetrates through the second sliding holes 801 in a sliding manner. The first sliding hole 601 and the second sliding hole 801 can perform a function of limiting sliding on the supporting column 5.

The specific using process is as follows:

firstly, sequentially placing the gas cylinder 1 on a support plate 602, and aligning a gas outlet 3 of a valve seat 2 on the gas cylinder 1 with a side plugging head 15;

then, a pressing cylinder 10 and a horizontal cylinder 12 of the pressing mechanism are sequentially started through a PLC 22, a sealing inflation head 16 presses down a through opening of a valve seat 2, and a side plugging head 15 plugs an air outlet 3 under the pulling of the horizontal cylinder 12;

then the PLC 22 starts the pressing cylinder 9 to press the gas cylinder 1 below the liquid level of the water tank 4, and then opens the electromagnetic valve 20 to pressurize and inflate the gas cylinder 1; whether bubbles are emitted from the liquid level in the water tank 4 or not is observed, and if no bubbles are emitted within a period of time (20-30 seconds), the installation of the product is qualified;

finally, the pressing cylinder 9 is retracted, and is reset under the action of the reset spring 603, and the pressing mechanism is loosened; then the next group of inspection products is replaced, and the production is circulated.

In summary, the machine replaces most of manpower work, so that manpower is reduced; the PLC 22 is used for controlling, so that the automatic operation of the valve seat pressing is realized, and the efficiency is improved.

The parts not involved in the present invention are the same as or can be implemented by the prior art. 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automatic pressure valve seat device, its characterized in that includes the basin:

the hollow cylinders in the groups are mutually communicated through the soft air pipes, one side of one hollow cylinder in the group is communicated with the high-pressure air pipe, and the high-pressure air pipe is provided with the electromagnetic valve.

2. An automatic pressure valve seat apparatus as claimed in claim 1, wherein: the device is characterized by further comprising a PLC, wherein the control output end of the PLC is connected with the electric control ends of the pressing air cylinder, the horizontal air cylinder and the electromagnetic valve respectively.

3. An automatic pressure valve seat apparatus as claimed in claim 1, wherein: the bottom surface of the sealing inflation head is embedded with a sealing rubber ring, and one end of the side sealing plug is embedded with a sealing rubber block.

4. An automatic pressure valve seat apparatus as claimed in claim 1, wherein: one end of the connecting rod is hinged with the upper end of the crank through a pin shaft, and the other end of the connecting rod is hinged with one end of the horizontal cylinder piston rod through a pin shaft.

5. An automatic pressure valve seat apparatus as claimed in claim 4, wherein: the pin seat is connected with the middle part of the crank through a pin shaft.

6. An automatic pressure valve seat apparatus as claimed in claim 1, wherein: a first sliding hole is formed in the supporting plate, and the lower portion of the supporting column penetrates through the first sliding hole in a sliding mode.

7. An automatic pressure valve seat apparatus as claimed in claim 6, wherein: second slide holes are formed in two ends of the lifting plate, and the upper portion of the supporting column penetrates through the second slide holes in a sliding mode.