CN214889144U

CN214889144U - Double-air-chamber structure valve body

Info

Publication number: CN214889144U
Application number: CN202120128899.0U
Authority: CN
Inventors: 李力
Original assignee: Individual
Current assignee: Dongguan Hengfa Electronic Technology Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-11-26
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a double air chamber structure valve body mainly uses on encapsulation equipment or letter sorting equipment of high accuracy, including valve body and piston bush, be equipped with air inlet buffer chamber and exhaust buffer chamber on the valve body, be located valve body lateral wall position respectively, air inlet buffer chamber and exhaust buffer chamber outer wall pass through the valve body data plate lid and seal, are equipped with cooling circuit in the exhaust buffer chamber, compare with prior art, the beneficial effects of the utility model are that: because a double-buffering air chamber structure is adopted and matched with a millisecond-level pulse air path, compressed air buffering is formed in an air inlet buffering chamber, sufficient input of 1.4CC compressed air is ensured every time, the heat generated when a part of valve bodies and pistons work can be taken away in the buffering and pulse input processes, and meanwhile, when gas is removed, the exhaust speed can be accelerated and the exhaust pressure intensity can be reduced by removing the buffering chamber, the noise generated by exhaust is reduced, and the heat generated when the other part of valve bodies and pistons work is taken away.

Description

Double-air-chamber structure valve body

Technical Field

The utility model relates to a two air chamber structure valve bodies belongs to electrical component technical field.

Background

The existing valve body structure is a simple integral structure, and the structure can cause unstable working temperature of the valve body in work and expansion of the valve body, and further causes the change of the matching size of the pulsation type micro-matching mechanism and influences the final output of the pulsation liquid flow.

The root of the temperature instability is heat generated by friction between the piston and the valve body when the high-frequency pulsation (130-250 HZ) works, except for the heating condition, the noise is larger due to the increase of the pressure in the valve body.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that prior art exists, the utility model aims to provide a two air chamber structure valve bodies makes the valve body temperature stable through adopting two buffering air chamber structures, plays the effect of making an uproar.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a double air chamber structure valve body, mainly use on encapsulation equipment or letter sorting equipment of high accuracy, including valve body and piston cover, be equipped with the buffer chamber of admitting air and exhaust buffer chamber on the valve body, be located valve body lateral wall position respectively, valve body lateral wall symmetry is equipped with the buffer chamber of admitting air and exhausts the buffer chamber, the buffer chamber of admitting air and the buffer chamber outer wall of exhausting have formed the buffer chamber of admitting air and exhausting through valve body data plate lid closure, the buffer chamber outer wall of admitting air is equipped with inlet port I and exhaust hole I, the buffer chamber outer wall of exhausting is equipped with inlet port II and exhaust hole II, be equipped with cooling circuit in the buffer chamber of exhausting, cooling circuit includes air guide copper pipe, air inlet port III and exhaust hole III with air guide copper pipe UNICOM on copper card and the valve body.

Preferably, the same side of valve body is located to inlet port I, exhaust hole II and exhaust hole III, and the pipeline of being convenient for distributes the management in unison, retrencies exterior structure, improves the application scope of product.

Preferably, one end of the air guide copper pipe is connected with the air inlet hole III, the other end of the air guide copper pipe is connected with the copper clamp, and the copper pipe is good in heat conducting performance and convenient to cool and dissipate heat.

Preferably, the copper card is arranged in the strip-shaped cooling groove, the sealing pad is arranged on the outer wall of the cooling groove to form a cooling chamber, the position, opposite to the copper card, on the cooling groove is set to be an air hole III, the cooling chamber is used as a cooling buffer position by the cooling loop, cold air entering the cooling loop can be conveniently kept at room temperature, and the initial temperature control of the cold air work is facilitated.

Preferably, the inner wall position between air inlet I and the exhaust hole I in the air inlet buffer chamber is provided with air guide groove I, and air guide groove I plays the role of guiding and guiding, so that the air entering is convenient to flow in.

Preferably, the inner wall position between air inlet II and the exhaust hole II in the exhaust buffer chamber is provided with air guide groove II, and air guide groove II plays the effect of direction drainage, is convenient for the air that reserves to flow out.

Compared with the prior art, the beneficial effects of the utility model are that: because a double-buffering air chamber structure is adopted and matched with a millisecond-level pulse air path, compressed air buffering is formed in an air inlet buffering chamber, sufficient input of 1.4CC compressed air is ensured every time, the heat generated when a part of valve bodies and pistons work can be taken away in the buffering and pulse input processes, and meanwhile, when gas is removed, the exhaust speed can be accelerated and the exhaust pressure intensity can be reduced by removing the buffering chamber, the noise generated by exhaust is reduced, and the heat generated when the other part of valve bodies and pistons work is taken away.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a valve body with a double air chamber structure provided by the present invention;

FIG. 2 is a schematic structural view of a preferred embodiment of the dual chamber structure valve body provided by the present invention;

fig. 3 is an assembly schematic diagram of a preferred embodiment of the double air chamber structure valve body provided by the present invention.

Detailed Description

The invention will be described more fully hereinafter with reference to the accompanying drawings and preferred embodiments.

Fig. 1-2 are schematic views of a preferred embodiment of a valve body with a double-air chamber structure provided by the present invention. The valve body with the double-air-chamber structure shown in the figure 1-2 is mainly applied to high-precision packaging equipment or sorting equipment and comprises a valve body 1 and a piston sleeve 2, wherein an air inlet buffer chamber 101 and an air outlet buffer chamber 102 are arranged on the valve body 1 and are respectively positioned on the side wall of the valve body 1, an air inlet buffer chamber 103 and an air outlet buffer chamber 104 are symmetrically arranged on the side wall of the valve body 1, the outer walls of the air inlet buffer chamber 103 and the air outlet buffer chamber 104 are sealed through a valve body nameplate cover 105 to form the air inlet buffer chamber 101 and the air outlet buffer chamber 102, an air inlet I106 and an air outlet I107 are arranged on the outer wall of the air inlet buffer chamber 101, an air inlet II 108 and an air outlet II 109 are arranged on the outer wall of the air outlet buffer chamber 102, a cooling circuit 110 is arranged in the air outlet buffer chamber 102, the cooling circuit 110 comprises an air guide copper pipe 111, a copper clamp 112, an air inlet III 113 and an air outlet 114 which are communicated with the air guide copper pipe 111 on the valve body 1, one end of the air guide copper pipe 111 is connected with the air inlet 113, the other end is connected with a copper card 112. The copper card 112 is arranged in the strip-shaped cooling groove 115, a sealing gasket 116 is arranged on the outer wall of the cooling groove 115 to form a cooling chamber 117, a position on the cooling groove 115, which is opposite to the copper card 112, is set to be an exhaust hole III 114, an air inlet hole I106, an exhaust hole II 109 and an exhaust hole III 107 are arranged on the same side face of the valve body 1, an air guide groove I118 is arranged on the inner wall position between the air inlet hole I106 and the exhaust hole I107 in the air inlet buffer chamber 103, and an air guide groove II 119 is arranged on the inner wall position between the air inlet hole II 108 and the exhaust hole II 109 in the exhaust buffer chamber 102.

Because the valve body is applied to high-precision packaging equipment and sorting equipment, a millisecond-level pulse gas circuit is matched, and a designed left and right double-air-chamber structure is adopted, the pulse gas circuit enters an air inlet buffer chamber from an air inlet I along an air guide groove I to form compressed air buffering, the sufficient input of the compressed air of 1.4CC at each time is ensured, and the processes of buffering and pulse input can take away part of heat generated when the valve body and a piston work, meanwhile, when the air is discharged in a pulse mode, the air enters the exhaust buffer chamber from the air inlet hole II along the air guide groove II and is discharged, the exhaust buffer chamber can accelerate the exhaust speed, reduce the exhaust pressure and reduce the noise generated by exhaust, and simultaneously takes away the heat generated when the other part of the valve body/piston works, and in addition, the cooling loop passes through the exhaust buffer chamber, so that the cold air temperature can be kept at the room temperature state, and the initial temperature control of the cold air work is facilitated.

It is worth noting that, through testing, in terms of temperature deviation: the temperature of the valve body with the same structure can reach (25-45) 20 ℃ deviation, and the structure can be controlled within (25-28) 3 ℃ deviation through series tests; noise control aspect: the structure of the same kind can reach 90DB without adding the muffler, and add the muffler and also reach 70DB, the utility model discloses the structure does not add the muffler and only is 60DB, adds the muffler and is about 50DB, frequency effect: the similar structure mostly meets the on/off 3 millisecond pulse output, the frequency is about 166HZ, the structure can achieve 1.5/1.5 millisecond pulse output, and the frequency can achieve 333 HZ.

Finally, it must be said here that: the above embodiments are only used for further detailed description of the technical solutions of the present invention, and should not be understood as limiting the scope of the present invention, and the modifications and adjustments made by those skilled in the art according to the above-mentioned contents of the present invention are all included in the scope of the present invention.

Claims

1. The utility model provides a double air chamber structure valve body, mainly uses on encapsulation equipment or the letter sorting equipment of high accuracy, including valve body and piston sleeve, its characterized in that: the air inlet buffer chamber and the air exhaust buffer chamber are arranged on the valve body and are respectively located on the side wall of the valve body, the air inlet buffer chamber and the air exhaust buffer chamber are symmetrically arranged on the side wall of the valve body, the air inlet buffer chamber and the air exhaust buffer chamber are formed by sealing the outer walls of the air inlet buffer chamber and the air exhaust buffer chamber through a valve body nameplate cover, the air inlet buffer chamber is provided with an air inlet I and an air exhaust I, the air exhaust buffer chamber is provided with an air inlet II and an air exhaust II, a cooling circuit is arranged in the air exhaust buffer chamber and comprises an air guide copper pipe, a copper clamp and an air inlet III and an air exhaust III which are communicated with the air guide copper pipe on the valve body.

2. A dual plenum structural valve body as defined in claim 1, wherein: the air inlet I, the exhaust hole II and the exhaust hole III are arranged on the same side face of the valve body.

3. A dual plenum structural valve body as defined in claim 1, wherein: one end of the air guide copper pipe is connected with the air inlet hole III, and the other end of the air guide copper pipe is connected with the copper clamp.

4. A dual plenum structural valve body as defined in claim 3, wherein: the copper card is arranged in the strip-shaped cooling groove, the outer wall of the cooling groove is provided with a sealing pad to form a cooling chamber, and the position, opposite to the copper card, on the cooling groove is provided with an air hole III.

5. A dual plenum structural valve body as defined in claim 1, wherein: and an air guide groove I is arranged on the inner wall position between the air inlet I and the exhaust hole I in the air inlet buffer chamber.

6. A dual plenum structural valve body as defined in claim 1, wherein: and an air guide groove II is arranged on the inner wall position between the air inlet II and the exhaust hole II in the exhaust buffer chamber.