CN103527802A - Highly-sealed gate valve of vacuum spray-coating machine - Google Patents
Highly-sealed gate valve of vacuum spray-coating machine Download PDFInfo
- Publication number
- CN103527802A CN103527802A CN201310527454.XA CN201310527454A CN103527802A CN 103527802 A CN103527802 A CN 103527802A CN 201310527454 A CN201310527454 A CN 201310527454A CN 103527802 A CN103527802 A CN 103527802A
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- Prior art keywords
- seat
- valve seat
- valve
- flashboard
- vacuum spray
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
- F16K3/20—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a highly-sealed gate valve of a vacuum spray-coating machine, which comprises a valve seat (1) and a gate plate (2), wherein the valve seat comprises two parallel valve seat plates (11) and a fixing plate (12) for fixedly connecting two ends of the two valve seat plates through bolts; valve holes (3) are formed in the middle parts of the two valve seat plates; the gate plate is arranged between the two valve seat plates in a sliding manner; sealing rings (4) in sealing fit with the gate plate (2) are arranged at the peripheries of the valve holes of the two valve seat plates; the valve seat (1) is provided with a pressure cylinder (5) for driving the gate plate (2). The valve seat is composed of the two valve seat plates and the fixing plate for fixedly connecting the two valve seat plates through the bolts, so that the highly-sealed gate valve of the vacuum spray-coating machine is disassembled conveniently and has good maintainability; the valve seat is of a two-piece type structural design, so that the inner cavity has no clearance, and a medium is not easy to be clamped and blocked; in addition, the sealing rings in matching fit with the gate plate are arranged at the peripheries of the valve holes of the two valve seat plates, better sealing effects of double-sided soft sealing are achieved, and leakage rate is reduced greatly.
Description
Technical field
The present invention relates to a kind of feed processing machinery, specifically refer to the high sealing push-pull valve that a kind of vacuum spray painting machine is used.
Background technique
At present, because causing its blow-off valve, vertical vacuum spraying machine working principle must use push-pull valve.The shortcomings such as existing push-pull valve complex structure, is difficult to dismounting, exists sealing effect poor, and maintainalbility is not good, thus cause vertical vacuum spraying technology to stagnate at home, do not break through.
Above-mentioned discussion content object be to reader introduce may to below by the All aspects of of the relevant technology of the All aspects of of the present invention that are described and/or advocate, believe that this discussion content contributes to provide background information for reader, to be conducive to understanding better All aspects of of the present invention, therefore, should be appreciated that it is with this angle, to read these to discuss, rather than admit prior art.
Summary of the invention
The object of the invention is to avoid deficiency of the prior art and provide a kind of vacuum spray painting machine high sealing push-pull valve, its maintainalbility and good sealing effect.
Object of the present invention is achieved through the following technical solutions:
A kind of vacuum spray painting machine high sealing push-pull valve is provided, comprise valve seat and flashboard, described valve seat comprises two parallel seat boards and is bolted to connection the fixed plate at two seat board two ends, the middle part of two seat boards is provided with valve opening, described flashboard is slidably disposed between two seat boards, two seat boards are provided with at the periphery of valve opening the seal ring being sealed and matched with flashboard, are provided with the pressure cylinder that drives flashboard on described valve seat.
Wherein, described pressure cylinder is two, is symmetricly set on the both sides of valve seat centered by valve opening.
Wherein, between one end of described two seat boards and fixed plate, be provided with slag exhausting mouth.
Wherein, the other end of described two seat boards is provided with the stuffing box packing being sealed and matched with flashboard.
Wherein, the other end of described two seat boards is provided with the gland for press seal filler.
Wherein, be provided with seal ring annular groove is installed on described seat board, the bottom land that seal ring is installed annular groove is formed by the preload ring being arranged on seat board, and preload ring can be along the direction adjusting perpendicular to bottom land and the distance between seat board.
Wherein, the cross section of described preload ring is L shaped, and the bottom land of seal ring mounting groove and a cell wall are formed by preload ring, and preload ring is arranged on seat board by adjusting screw.
Vacuum spray painting machine high sealing push-pull valve provided by the invention, comprise valve seat and flashboard, described valve seat comprises two parallel seat boards and is bolted to connection the fixed plate at two seat board two ends, the middle part of two seat boards is provided with valve opening, described flashboard is slidably disposed between two seat boards, two seat boards are provided with at the periphery of valve opening the seal ring being sealed and matched with flashboard, are provided with the pressure cylinder that drives flashboard on described valve seat.Valve seat of the present invention is comprised of two seat boards and the fixed plate that is bolted to connection two seat board two ends, and for convenience detach, maintainalbility is good, and valve seat is two-piece type structural design, inner chamber voidlessness, and medium is difficult for jam; In addition, two seat boards of the present invention are provided with at the periphery of valve opening the seal ring being sealed and matched with flashboard, have realized two-sided soft seal sealing effect better, and leakage rate reduces greatly.The present invention has effectively solved vertical vacuum spraying machine discharge sealing problem, can make vertical vacuum spraying machine be widely applied at home.
In preferred version of the present invention, be provided with seal ring annular groove is installed on described seat board, the bottom land that seal ring is installed annular groove is formed by the preload ring being arranged on seat board, and preload ring can be along the direction adjusting perpendicular to bottom land and the distance between seat board.By regulating preload ring position, make seal ring form movable sealing, can provide pretightening force to make seal ring be close to flashboard, leakage rate greatly reduces, and in addition, the wearing and tearing of seal ring in long-term use is had to automatic compensation function, has improved working life.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but embodiment in accompanying drawing does not form any limitation of the invention, for those of ordinary skill in the art, is not paying under the prerequisite of creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is the plan view of vacuum spray painting machine high sealing push-pull valve.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Fig. 3 is the enlarged view of the B part of Fig. 2.
Embodiment
In order to make those skilled in the art understand better technological scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, it should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
Core of the present invention is to provide a kind of vacuum spray painting machine high sealing push-pull valve, its maintainalbility and good sealing effect.
As shown in Figure 1 to Figure 3, vacuum spray painting machine high sealing push-pull valve of the present invention, comprises valve seat 1 and flashboard 2, and flashboard 2 can be done by steel, adopts plating hard chromium on surface or ionic nitrizing treatment, makes flashboard more wear-resisting, and sealing surface strengthens working life.Described valve seat 1 comprises two parallel seat boards 11 and is bolted to connection the fixed plate 12 at two seat board 11 two ends, the middle part of two seat boards 11 is provided with valve opening 3, described flashboard 2 is slidably disposed between two seat boards 11, two seat boards 11 are provided with at the periphery of valve opening 3 seal ring 4 being sealed and matched with flashboard 2, the optional quality of rubber materials of seal ring 4, as ethylene propylene diene rubber, on described valve seat 1, be provided with the pressure cylinder 5 that drives flashboard 2, pressure cylinder 5 can be cylinder or oil hydraulic cylinder.
Push-pull valve opening process of the present invention: when closed position, flashboard is tightly inserted and is pressed between seat board and seal ring, by two-bit triplet solenoid valve, open compressed air gas source, allow pressurized air enter cylinder rodless cavity, cylinder column drives flashboard slowly to travel forward, and flashboard moves apart seal ring, and cylinder column continues to promote flashboard and travels forward, while making flashboard leave sealing surface to latus rectum tip position, push-pull valve reaches full application position.Closing process: pressurized air is commutated by solenoid valve, cylinder column starts to bounce back and makes flashboard start travelling backwards, and at this moment flashboard face covers valve opening completely, and cylinder column continues to promote flashboard travelling backwards campaign, while making the complete gluing, sealing face of flashboard to latus rectum tip position, push-pull valve closes full-application position.
As preferred embodiment, described pressure cylinder 5 is two, is symmetricly set on the both sides of valve seat 1 centered by valve opening 3, adopts two air cylinder driven thrust larger, and bearing capacity is stronger.
As preferred embodiment, between one end of described two seat boards 11 and fixed plate 12, be provided with slag exhausting mouth 6, the feed that slag exhausting mouth can be released flashboard is got rid of, and extends seal durability.
As preferred embodiment, the other end of described two seat boards 11 is provided with the stuffing box packing 7 being sealed and matched with flashboard 2.The other end of described two seat boards 11 is provided with the gland 13 for press seal filler 7, and stuffing box packing 7 can be played the effect of enhanced leaktightness.
As preferred embodiment, on described seat board 11, be provided with seal ring annular groove 8 is installed, the bottom land that seal ring is installed annular groove 8 is formed by the preload ring 9 being arranged on seat board 11, and preload ring 9 can be along the direction adjusting perpendicular to bottom land and the distance between seat board 11.By regulating preload ring position, make seal ring form movable sealing, can provide pretightening force to make seal ring be close to flashboard, leakage rate greatly reduces, and in addition, the wearing and tearing of seal ring in long-term use is had to automatic compensation function, has improved working life.
As preferred embodiment, the cross section of described preload ring 9 is L shaped, the bottom land of seal ring mounting groove 8 and a cell wall are formed by preload ring 9, preload ring 9 is arranged on seat board 11 by adjusting screw 10, distance between the adjustable preload ring 9 of adjusting screw 10 and seat board 11, the adjusting screw 10 of back-outing, pulls down preload ring 9, be replaceable seal ring, maintain easily.
In description above, set forth a lot of details so that fully understand the present invention, still, the present invention can also adopt other to be different from other modes described here and implement, and therefore, can not be interpreted as limiting the scope of the invention.
In a word; although the present invention has exemplified above-mentioned preferred implementation, should illustrate, although those skilled in the art can carry out various variations and remodeling; unless such variation and remodeling have departed from scope of the present invention, otherwise all should be included in protection scope of the present invention.
Claims (7)
1. a vacuum spray painting machine high sealing push-pull valve, comprise valve seat (1) and flashboard (2), it is characterized in that: described valve seat (1) comprises two parallel seat boards (11) and is bolted to connection the fixed plate (12) at two seat boards (11) two ends, the middle part of two seat boards (11) is provided with valve opening (3), described flashboard (2) is slidably disposed between two seat boards (11), two seat boards (11) are provided with at the periphery of valve opening (3) seal ring (4) being sealed and matched with flashboard (2), on described valve seat (1), be provided with the pressure cylinder (5) that drives flashboard (2).
2. vacuum spray painting machine high sealing push-pull valve according to claim 1, is characterized in that: described pressure cylinder (5) is two, is symmetricly set on the both sides of valve seat (1) centered by valve opening (3).
3. vacuum spray painting machine high sealing push-pull valve according to claim 2, is characterized in that: between one end of described two seat boards (11) and fixed plate (12), be provided with slag exhausting mouth (6).
4. vacuum spray painting machine high sealing push-pull valve according to claim 3, is characterized in that: the other end of described two seat boards (11) is provided with the stuffing box packing (7) being sealed and matched with flashboard (2).
5. vacuum spray painting machine high sealing push-pull valve according to claim 4, is characterized in that: the other end of described two seat boards (11) is provided with the gland (13) for press seal filler (7).
6. according to the vacuum spray painting machine high sealing push-pull valve described in any one in claim 1 to 5, it is characterized in that: on described seat board (11), be provided with seal ring annular groove (8) is installed, the bottom land that seal ring is installed annular groove (8) is formed by the preload ring (9) being arranged on seat board (11), and preload ring (9) can be along the direction adjusting perpendicular to bottom land and the distance between seat board (11).
7. vacuum spray painting machine high sealing push-pull valve according to claim 6, it is characterized in that: the cross section of described preload ring (9) is L shaped, the bottom land of seal ring mounting groove (8) and a cell wall are formed by preload ring (9), and preload ring (9) is arranged on seat board (11) by adjusting screw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527454.XA CN103527802B (en) | 2013-10-31 | 2013-10-31 | Vacuum spray painting machine high sealing push-pull valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527454.XA CN103527802B (en) | 2013-10-31 | 2013-10-31 | Vacuum spray painting machine high sealing push-pull valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103527802A true CN103527802A (en) | 2014-01-22 |
| CN103527802B CN103527802B (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310527454.XA Active CN103527802B (en) | 2013-10-31 | 2013-10-31 | Vacuum spray painting machine high sealing push-pull valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN103527802B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822015A (en) * | 2014-03-20 | 2014-05-28 | 浙江明泉工业涂装有限公司 | Valve special for spraying device |
| CN110925448A (en) * | 2019-12-03 | 2020-03-27 | 武汉科瑞达真空科技有限公司 | Gate valve |
| CN113932028A (en) * | 2021-12-20 | 2022-01-14 | 成都乘风阀门有限责任公司 | Horizontal installation plate valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1163249A (en) * | 1997-08-26 | 1999-03-05 | Kumakura Kogyo Kk | Powder passage opening/closing device |
| CN201561134U (en) * | 2009-12-05 | 2010-08-25 | 浙江力诺阀门有限公司 | Pneumatic no-block permeable gate valve |
| CN202520975U (en) * | 2011-12-31 | 2012-11-07 | 肇庆市腾胜真空技术工程有限公司 | Vacuum flashboard valve for vacuum system |
| CN202580082U (en) * | 2012-05-08 | 2012-12-05 | 黄德松 | Wear-free gate valve |
| CN103256397A (en) * | 2012-12-24 | 2013-08-21 | 苏州工业园区杰士通真空技术有限公司 | Gate valve capable of achieving two-way sealing |
-
2013
- 2013-10-31 CN CN201310527454.XA patent/CN103527802B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1163249A (en) * | 1997-08-26 | 1999-03-05 | Kumakura Kogyo Kk | Powder passage opening/closing device |
| CN201561134U (en) * | 2009-12-05 | 2010-08-25 | 浙江力诺阀门有限公司 | Pneumatic no-block permeable gate valve |
| CN202520975U (en) * | 2011-12-31 | 2012-11-07 | 肇庆市腾胜真空技术工程有限公司 | Vacuum flashboard valve for vacuum system |
| CN202580082U (en) * | 2012-05-08 | 2012-12-05 | 黄德松 | Wear-free gate valve |
| CN103256397A (en) * | 2012-12-24 | 2013-08-21 | 苏州工业园区杰士通真空技术有限公司 | Gate valve capable of achieving two-way sealing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822015A (en) * | 2014-03-20 | 2014-05-28 | 浙江明泉工业涂装有限公司 | Valve special for spraying device |
| CN110925448A (en) * | 2019-12-03 | 2020-03-27 | 武汉科瑞达真空科技有限公司 | Gate valve |
| CN113932028A (en) * | 2021-12-20 | 2022-01-14 | 成都乘风阀门有限责任公司 | Horizontal installation plate valve |
| CN113932028B (en) * | 2021-12-20 | 2022-03-29 | 成都乘风阀门有限责任公司 | Horizontal installation plate valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103527802B (en) | 2016-03-30 |
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