CN210510376U

CN210510376U - A backward flow formula trades look valve for spraying operation

Info

Publication number: CN210510376U
Application number: CN201921390821.5U
Authority: CN
Inventors: 苏亚杰
Original assignee: Jiangsu Sanfeng Robot Co Ltd
Current assignee: Jiangsu Sanfeng Robot Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-05-12
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a backward flow formula trades look valve for spraying operation, including the tee bend valve casing, the embedding sets up the valve rod in the tee bend valve casing, be provided with spraying cavity and pneumatic cavity in the assembly of valve rod and tee bend valve casing, connect through the needle between spraying cavity and the pneumatic cavity, just the needle keeps apart spraying cavity and pneumatic cavity, the three through-hole that is provided with one and advances two play, and three is connected to the spraying cavity the through-hole communicates with spraying cavity, at the compressed air effect during the pneumatic cavity, can control the round trip movement of needle, simultaneously import and arbitrary one export in the three through-hole of needle ability control keep the intercommunication. Through using compressed air as power, the intercommunication relation of three through-holes of control, and then has realized automatic control spraying operation, and then has improved the production efficiency of mill, has improved the income of mill.

Description

A backward flow formula trades look valve for spraying operation

Technical Field

The utility model relates to a technical field of spraying equipment especially relates to a compound backward flow formula that is used for spraying operation trades look valve.

Background

The spraying operation is a commonly used process at present, but the existing spraying operation is not single-color spraying and is often multi-color spraying, and the multi-color spraying involves single-color control, generally manually controlled by using a ball valve, but the control mode obviously wastes manpower, and the control effect depends on the control degree of the ball valve manually, so that the time and the cost are wasted, and the industrial production is not favorable.

Therefore, the inventor of the utility model aims at inventing a backward flow formula color changing valve for spraying operation to the problem of ball valve control waste time and cost.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a backward flow formula trades look valve for spraying operation.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a backward flow formula trades look valve for spraying operation, includes the tee bend valve casing, the embedding sets up the valve rod in the tee bend valve casing, be provided with spraying chamber and pneumatic chamber in the valve rod and the combination body of tee bend valve casing, connect through the needle between spraying chamber and the pneumatic chamber, just the needle is kept apart spraying chamber and pneumatic chamber, spraying chamber connects and is provided with one and advances two three through-holes, and three through-hole and spraying chamber intercommunication, at the compressed air effect during the pneumatic chamber, can control the round trip movement of needle, simultaneously import and arbitrary one export in the three through-hole of needle ability control keep the intercommunication.

Preferably, the needle includes driving-disc, sealed dish and connecting rod, driving-disc and sealed dish pass through the connecting rod and connect, just the driving-disc setting supplies the compressed air drive in pneumatic chamber, sealed dish sets up in the spraying cavity, and can be under compressed air's effect, sealed dish can control the intercommunication of through-hole, the connecting rod makes spraying cavity and spraying cavity keep keeping isolation all the time. The arrangement of the connecting rod is the key for realizing the pneumatics.

Preferably, the pneumatic chamber comprises working areas, driving areas are respectively arranged on the left side and the right side of each working area, the two driving areas are communicated with the outer side of the three-way valve shell and can be filled with compressed air, the diameter of each driving area is smaller than that of each working area, and meanwhile, the driving discs of the valve needle can be in tight contact with the inner wall of each working area. When the left driving area of the working area is filled with compressed air, the valve needle can move rightwards integrally, when the right driving area is filled with compressed air, the valve needle moves leftwards integrally, when the valve needle moves leftwards and rightwards, the sealing disc is driven to move leftwards and rightwards, and the left and right movement of the sealing disc controls the communication of two of the three through holes with one inlet and two outlets, so that manual control is replaced, and a ball valve is replaced.

Preferably, the valve rod is of a plunger type, a plurality of bosses are arranged on the outer side of the valve rod and can be abutted and sealed with the inner wall of the three-way valve shell, and the spraying chamber and the pneumatic chamber are arranged inside the valve rod and can be respectively communicated with the outer side of the three-way valve shell. The main purpose of the boss is to maintain the sealing performance, and the through holes are arranged at the positions of the concave parts to facilitate the flowing of spraying liquid and compressed air.

Preferably, spray chamber's three through-hole is import, first export and second export respectively, the perpendicular setting of import and first export, import and second export parallel arrangement, just first export is in same axial with the needle, simultaneously spray chamber is the sealed dish motion that just can only supply the needle in can, and works as when sealed dish moves to leftmost position, can seal first export, when sealed dish moves to rightmost position, can seal the second export. It should be noted that the sealing disc does not necessarily have to be moved to the rightmost end of the spray chamber to seal the second outlet, but only to an intermediate position between the inlet and the second outlet, and the extreme positions at which the sealing disc can be moved are influenced by the length of the connecting rod, similar to the principle of sealing the first outlet.

Preferably, the inlet and the second outlet are provided in plurality, and the second outlet of the inlet is provided at the recess of the valve stem. The flow of spraying liquid can be ensured by a plurality of designs, and meanwhile, the influence of the pressure intensity of the spraying liquid can be reduced due to the fact that the spraying liquid is positioned at the concave position.

The utility model relates to a backward flow formula trades look valve for spraying operation's beneficial effect is, through using compressed air as power, controls the intercommunication relation of three through-hole, and then has realized automatic control spraying operation, and then has improved the production efficiency of mill, has improved the income of mill.

Drawings

Fig. 1 is a sectional view of the reverse flow type color changing valve, and is also a working schematic diagram of the inlet communicated with the first outlet.

Fig. 2 is an operation schematic diagram of the communication between the inlet and the second outlet.

FIG. 3 is a schematic view of a three-way valve housing.

Fig. 4 is a schematic view of the valve stem.

Fig. 5 is a cross-sectional view of fig. 4.

Figure 6 is a schematic view of the structure of the valve needle.

In the figure:

1-a three-way valve housing; 2-a valve stem; 3-a spraying chamber; 4-a pneumatic chamber; 5-valve needle;

21-a boss;

31-a through hole; 311-an inlet; 312 — a first outlet; 313-a second outlet;

41-a working area; 42-a drive region;

51-a drive disc; 52-sealing disc; 53-connecting rod.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1-6, the color change valve for spraying operation in this embodiment comprises a three-way valve housing 1, a valve rod 2 is embedded in the three-way valve housing 1, the embedded arrangement is required to ensure the contact position of the two is kept sealed, a spraying chamber 3 and a pneumatic chamber 4 are arranged in the valve rod 2, the spraying chamber 3 and the pneumatic chamber 4 are connected through a valve needle 5, the valve needle 5 separates the spraying chamber 3 from the pneumatic chamber 4, the spraying chamber 3 is connected with three through holes 31 with one inlet and two outlets, the three through holes 31 are communicated with the spraying chamber 3, and holes respectively communicated with the three through holes 31 are also arranged on the three-way valve housing 1, so that the spraying chamber 3 and the pneumatic chamber 4 are arranged in the combination of the valve rod 2 and the three-way valve housing 1, and the three through holes 31 are arranged on the outer side of the three-way valve housing 1 and are communicated with the spraying chamber 3, when compressed air acts on the pneumatic chamber 4, the valve needle 5 can be controlled to move back and forth, and the valve needle 5 can control the inlet 311 of the three through holes 31 to be communicated with any one outlet.

See fig. 6, in which the structure of the valve needle 5: the valve needle 5 comprises a driving disk 51, a sealing disk 52 and a connecting rod 53, the driving disk 51 is connected with the sealing disk 52 through the connecting rod 53, the driving disk 51 is arranged in the pneumatic chamber 4 and driven by compressed air, the sealing disk 52 is arranged in the spraying chamber 3 and can control the communication of the through hole 31 under the action of the compressed air, the spraying chamber 3 is always kept isolated from the spraying chamber 3 by the connecting rod 53, the arrangement of the connecting rod 53 is the key for realizing pneumatics, meanwhile, the sealing performance of the contact position of the driving disk 51 and the pneumatic chamber 4 and the sealing performance of the contact position of the sealing disk 52 and the spraying chamber 3 are ensured.

With reference to fig. 1 and 2, the arrows in the figures indicate the direction of flow, in which pneumatic realisation: the pneumatic chamber 4 comprises a working area 41, the left side and the right side of the working area 41 are respectively provided with a driving area 42, the two driving areas 42 are both communicated with the outer side of the three-way valve shell 1 and can be filled with compressed air, the diameter of the driving area 42 is smaller than that of the working area 41, and simultaneously, a driving disc 51 of the valve needle 5 just can be in close contact with the inner wall of the working area 41. When compressed air is introduced into the driving area 42 on the left side of the working area 41, due to the sealing property, the driving disc 51 moves rightwards, so that the valve needle 5 is driven to move rightwards integrally, when the driving area 42 on the right side is introduced with compressed air, similarly, the valve needle 5 moves leftwards integrally, when the valve needle 5 moves leftwards and rightwards, the sealing disc 52 is driven to move leftwards and rightwards, the left and right movement of the sealing disc 52 controls the communication of two of the three through holes 31 which are arranged in the first through hole and the second through hole, the manual control is replaced.

Referring to fig. 4 and 5, the valve rod 2 is of a plunger type, a plurality of bosses 21 are arranged on the outer side of the valve rod 2, the plurality of bosses 21 can abut against and seal the inner wall of the three-way valve housing 1, the spraying chamber 3 and the pneumatic chamber 4 are arranged inside the valve rod 2 and can be respectively communicated with the outer side of the three-way valve housing 1, the bosses 21 are mainly used for maintaining the sealing performance, through holes 31 are arranged at the positions of the depressions and are mainly used for facilitating the flowing of spraying liquid and compressed air, the valve rod 2 is formed by splicing a plurality of modules, and the sealing performance needs to be noticed during splicing.

Referring to fig. 4, the three through holes 31 of the spray chamber 3 are respectively an inlet 311, a first outlet 312 and a second outlet 313, the inlet 311 and the first outlet 312 are vertically arranged, the inlet 311 and the second outlet 313 are arranged in parallel, the first outlet 312 and the valve needle 5 are in the same axial direction, the seal disc 52 of the valve needle 5 can move and only can move in the spray chamber 3, the first outlet 312 can be sealed when the seal disc 52 moves to the leftmost position, and the second outlet 313 can be sealed when the seal disc 52 moves to the rightmost position. It should be noted that the sealing disc 52 is not necessarily moved to the rightmost end of the spray chamber 3 to seal the second outlet 313, but only needs to be moved to a position intermediate the inlet 311 and the second outlet 313, and the extreme positions at which the sealing disc 52 can be moved are influenced by the length of the connecting rod 53, similarly to the principle of sealing the first outlet 312.

Referring to fig. 4 and 5, the inlet 311 and the second outlet 313 are each provided in plurality, and the second outlet 313 of the inlet 311 is provided at the recess of the valve stem 2. The flow of spraying liquid can be ensured by a plurality of designs, and meanwhile, the influence of the pressure intensity of the spraying liquid can be reduced due to the fact that the spraying liquid is positioned at the concave position.

The backflow type color changing valve for spraying operation has the advantages that the communication relation of the three through holes 31 is controlled by using compressed air as power, automatic spraying operation control is achieved, production efficiency of a factory is improved, and income of the factory is improved.

The present embodiment has two working states, that is, the communication between the inlet 311 and the first outlet 312, and the communication between the inlet 311 and the second outlet 313;

referring to fig. 1, the communication between the inlet 311 and the first outlet 312: compressed air is introduced into the driving area 42 on the left side of the working area 41 from the outside of the three-way valve shell 1, and due to the good sealing performance between the driving disc 51 and the working area 41, the compressed air can drive the driving disc 51 to move rightwards, so that the valve needle 5 is driven to move rightwards integrally, when the driving disc 51 can move to the limit position of the right end, the sealing disc 52 of the valve needle 5 moves to the position between the inlet and the second outlet 313, and at the moment, the inlet 311 is communicated with the first outlet 312;

referring to fig. 2, the communication between the inlet 311 and the second outlet 313: compressed air is introduced into the driving area 42 on the right side of the working area 41 from the outside of the three-way valve housing 1, and due to the good sealing performance between the driving disc 51 and the working area 41, the driving disc 51 is moved leftward by the compressed air, so that the valve needle 5 is driven to move leftward as a whole, and when the driving disc 51 can move to the extreme position of the left end, the sealing disc 52 of the valve needle 5 moves to the position between the inlet and the first outlet 312, and at this time, the inlet 311 is communicated with the second outlet 313.

The two connections are not complicated, but the length of the connecting rod 53 needs to be controlled to ensure that the connecting rod 53 does not affect the effect of the three-way valve due to overlong or overlong.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a backward flow formula trades look valve for spraying operation which characterized in that: including three-way valve case (1), embedding sets up valve rod (2) in three-way valve case (1), be provided with spraying cavity (3) and pneumatic chamber (4) in the combination of valve rod (2) and three-way valve case (1), connect through needle (5) between spraying cavity (3) and pneumatic chamber (4), just needle (5) are kept apart spraying cavity (3) and pneumatic chamber (4), spraying cavity (3) are connected and are provided with three through-hole (31) that one advances two, and three through-hole (31) and spraying cavity (3) intercommunication, and at the compressed air effect during pneumatic chamber (4), can control the round trip movement of needle (5), simultaneously import (311) and arbitrary one export in needle (5) can control three through-hole (31) keep the intercommunication.

2. A reverse flow color change valve for spray application as claimed in claim 1, wherein: valve needle (5) are including driving-disc (51), sealed dish (52) and connecting rod (53), driving-disc (51) and sealed dish (52) are connected through connecting rod (53), just driving-disc (51) set up and supply the compressed air drive in pneumatic chamber (4), sealed dish (52) set up in spraying cavity (3), and can be under compressed air's effect, sealed dish (52) can control the intercommunication of through-hole (31), connecting rod (53) make spraying cavity (3) and spraying cavity (3) keep apart all the time.

3. A reverse flow color change valve for spray application as claimed in claim 1, wherein: the pneumatic cavity (4) comprises a working area (41), driving areas (42) are respectively arranged on the left side and the right side of the working area (41), the two driving areas (42) are communicated with the outer side of the three-way valve shell (1) and can be filled with compressed air, the diameter of each driving area (42) is smaller than that of the working area (41), and meanwhile, a driving disc (51) of the valve needle (5) can be in tight contact with the inner wall of the working area (41).

4. A reverse flow color change valve for spray application as claimed in claim 1, wherein: the spray coating device is characterized in that the valve rod (2) is of a plunger type, a plurality of bosses (21) are arranged on the outer side of the valve rod (2), the bosses (21) can be abutted against and sealed with the inner wall of the three-way valve shell (1), and the spray coating chamber (3) and the pneumatic chamber (4) are arranged in the valve rod (2) and can be communicated with the outer side of the three-way valve shell (1) respectively.

5. A reverse flow color change valve for spray application as claimed in claim 1, wherein: three through-hole (31) of spray chamber (3) are import (311), first export (312) and second export (313) respectively, the perpendicular setting of import (311) and first export (312), import (311) and second export (313) parallel arrangement, just first export (312) are in same axial with needle (5), simultaneously spray chamber (3) can just supply sealed dish (52) the motion of needle (5) in the energy, and work as when sealed dish (52) move to the extreme left side position, can seal first export (312), when sealed dish (52) move to the extreme right side position, can seal second export (313).

6. A reverse flow color change valve for spray application as claimed in claim 5, wherein: the inlet (311) and the second outlet (313) are both provided in plurality, and the second outlet (313) of the inlet (311) is provided at a recess of the valve rod (2).