CN204083301U - For the gas control rotary valve of pneumatic mould assembling mechanism - Google Patents
For the gas control rotary valve of pneumatic mould assembling mechanism Download PDFInfo
- Publication number
- CN204083301U CN204083301U CN201420406767.XU CN201420406767U CN204083301U CN 204083301 U CN204083301 U CN 204083301U CN 201420406767 U CN201420406767 U CN 201420406767U CN 204083301 U CN204083301 U CN 204083301U
- Authority
- CN
- China
- Prior art keywords
- annular groove
- spool
- valve
- communicated
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a kind of gas control rotary valve for pneumatic mould assembling mechanism, comprise valve seat and cover the valve gap on valve seat, the spool of dish type is provided with between described valve seat and valve gap, a cavity is formed between spool and valve gap, spool is coaxially connected with rotating shaft, the rotating shaft the other end is arranged at outside described valve gap, first transfer port is communicated with described first annular groove, exhaust port is communicated with described second annular groove, second transfer port or be communicated with described first annular groove or be communicated with described second annular groove, described first annular groove has inlet hole and with described cavity connects, pressurized air passes into described cavity from valve gap.Gas control rotary valve described in the utility model controls the relative position change of spool and valve seat by the forward and reverse rotation of rotating shaft, thus realize the on-off valve of high pressure draught commutation, to realize control cylinder upwards for rapid movement, it is downwards the microinching of variable speed.
Description
Technical field
The utility model relates to foundry equipment field, in particular to a kind of gas control rotary valve for pneumatic mould assembling mechanism.
Background technique
When the top box and nowel of having made type being carried out mould assembling in casting process, need, by manually having been removed by upper box, to remove and carry out mould assembling to lower box top, labor intensity is large, inefficiency, and workpiece is heavier, easily damages workman.
For the problems referred to above, devise a kind of pneumatic mould assembling mechanism, be used for replacing the process of artificial mould assembling, substantially increase working efficiency, decrease the labor intensity of workman.
Pneumatic mould assembling mechanism by the closed of air cylinder driven upper box with open, cylinder upwards with to move downward speed difference little, cannot meet casing up and down time different speed needs.
Model utility content
The purpose of this utility model is the above problem overcoming prior art existence, for foundry equipment provides the gas control rotary valve for pneumatic mould assembling mechanism during a kind of control cylinder to-and-fro motion with friction speed.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
A kind of gas control rotary valve for pneumatic mould assembling mechanism, comprise valve seat and cover the valve gap on valve seat, the spool of dish type is provided with between described valve seat and valve gap, a cavity is formed between spool and valve gap, spool bottom surface and valve seat upper surface are fitted, and spool is coaxially connected with rotating shaft, and cylndrical surface and the valve gap inner cylindrical surface of rotating shaft are fitted, the rotating shaft the other end is arranged at outside described valve gap
Described spool bottom surface offers be the center of circle around valve core axis the first annular groove and the second annular groove, described first annular groove and described second annular groove on same setting circle,
Described seat bottom portion offers the first transfer port, the second transfer port and exhaust port, and described first transfer port, the second transfer port are the concentric circles that diameter is identical with exhaust port and the center line of described annular groove.When spool is positioned at initial position, described first transfer port is communicated with described first annular groove with the second transfer port, and described exhaust port is communicated with the second annular groove; When spool rotates counterclockwise 45 degree, described first transfer port is communicated with described first annular groove, and described second gas transmission, exhaust port are communicated with described second annular groove.
Described first annular groove has inlet hole, inlet hole be arranged at spool upper surface and with described cavity connects, pressurized air passes into described cavity from valve gap.
Further, the first annular groove central angle is 180 degree, and the second annular groove central angle is 90 degree, and described inlet hole is positioned in the middle part of described first annular groove, and described exhaust port is positioned on the perpendicular bisector of described first transfer port, the second transfer port line of centres.
Further, described exhaust port is L shape, and one end is communicated with described second annular groove, and the other end is discharged by described valve seat side.
Further, one end that described rotating shaft is placed in outside valve gap is connected with turning handle, and described turning handle two ends are connected with control wire.
Preferably, described valve gap is positioned at rotating shaft side and is provided with locating stud, when spool is positioned at initial position, locating stud and described turning handle end thereof contacts.
Preferably, the excision of both sides, described rotating shaft lower end forms connecting head, the fit depressions that connecting head and described center spool boss are offered.
Preferably, described rotating shaft and described valve gap endoporus coordinate for dynamic, and are provided with seal ring, and rotating shaft is socketed with a spring, and plane contact on spring one end and described spool, the other end contacts with the shaft shoulder lower plane of rotating shaft.
Preferably, sealing gasket is connected with between described valve seat and described valve gap.
Preferably, described spool is tin bronze material.
Further, the gas-tpe fitting that described cavity is connected by valve gap side passes into pressurized air.
The beneficial effects of the utility model are:
1, gas control rotary valve described in the utility model controls the relative position change of spool and valve seat by the forward and reverse rotation of rotating shaft, thus realize the on-off valve of high pressure draught commutation, to realize control cylinder upwards for rapid movement, it is downwards the microinching of variable speed.
2, spool adopts tin bronze material, makes spool more wear-resisting.
3, the tightness arranged between guarantee rotating shaft and valve gap of seal ring.
4, the tightness arranged between guarantee valve gap and valve seat of sealing gasket.
5, turning handle is positioned at initial position by locating stud, prevents turning handle from rotating excessively.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is gas control rotary valve plan view;
Fig. 2 is gas control rotary valve right elevation;
Fig. 3 is gas control rotary valve plan view;
Fig. 4 is spool and valve seat original state plan view;
Fig. 5 is after spool is rotated counterclockwise 45 degree, the plan view of spool and valve seat.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Shown in Fig. 3, a kind of gas control rotary valve for pneumatic mould assembling mechanism, comprise valve seat 1 and cover the valve gap 3 on valve seat 1, valve gap 3 is connected by stud and nut with valve seat 1, be connected with sealing gasket 8 between described valve seat 1 and described valve gap 3, ensure the tightness between valve seat 1 and valve gap 3.Be provided with the spool 7 of dish type between described valve seat 1 and valve gap 3, spool 7 is tin bronze material, makes spool 7 have wear-resisting characteristic.Form a cavity 100 between spool 7 and valve gap 3, spool 7 bottom surface and valve seat 1 upper surface are fitted, and spool 7 are coaxially connected with rotating shaft 5, and cylndrical surface and valve gap 3 inner cylindrical surface of rotating shaft 5 are fitted, and rotating shaft 5 the other end is arranged at outside described valve gap 3.Described rotating shaft 5 coordinates for dynamic with described valve gap 3 endoporus, and be provided with seal ring 6, further ensure the tightness between rotating shaft 5 and valve gap 3, rotating shaft 5 is socketed with a spring 11, plane contact on spring 11 one end and described spool 7, the other end contacts with the shaft shoulder 51 lower plane of described rotating shaft 5.
Described spool 7 bottom surface offers with the first annular groove B1 that is the center of circle around valve core axis and the second annular groove B2, described first annular groove B1 and described second annular groove B2 on same setting circle.First annular groove B1 central angle is 180 degree, and the second annular groove B2 central angle is 90 degree.
The first transfer port A1, the second transfer port A2 and exhaust port A3 is offered bottom described valve seat 1.When spool 7 is positioned at initial position, described first transfer port A1, the second transfer port A2 are communicated with described first annular groove B1, and described exhaust port A3 is communicated with described second annular groove B2; When spool 7 rotates counterclockwise 45 degree of positions, described first transfer port A1 is communicated with described first annular groove B1, and described second transfer port A2, exhaust port A3 are communicated with described second annular groove B2.Described exhaust port A3 is positioned on the perpendicular bisector of described first transfer port A1 and the second transfer port A2 line of centres.Described 3rd exhaust port A3 is L shape, and one end is communicated with described second annular groove B2, and the other end is discharged by described valve seat 1 side.
Described first annular groove B1 has inlet hole C, and inlet hole C is arranged at spool 7 upper surface and is positioned at described first annular groove B1 center, and is communicated with described cavity 100, and the gas-tpe fitting 2 that pressurized air connects from valve gap 3 side passes into described cavity 100.
Described rotating shaft 5 one end be placed in outside valve gap 3 is connected with turning handle 4, and described turning handle 4 two ends are connected with control wire 9, and control wire 9 two ends are separately fixed in the hole at turning handle 4 two ends, affects control wire 9 can control turning handle 4 clockwise or rotate counterclockwise.
Described valve gap 3 is positioned at rotating shaft 5 side and is provided with locating stud 10, when spool 7 is positioned at initial position, locating stud 10 and described turning handle 4 end thereof contacts.The excision of both sides, described rotating shaft 5 lower end forms connecting head 51, the fit depressions that connecting head 51 and described spool 7 central boss 71 are offered.
Working principle of the present utility model:
Pressurized air enters cavity 100 by gas-tpe fitting 2, then enters the first annular groove B1 by the inlet hole C of spool 7 upper end.When the first annular groove B1 is communicated with the first transfer port A1 in valve seat 1 or the second transfer port A2, the first transfer port A1 and the second transfer port A2 output squeezing air.Second annular groove B2 of spool 7 is air vents, and the exhaust port A3 all the time with valve seat 1 is communicated with.
With reference to shown in Fig. 4, the first transfer port A1 at this moment on the first annular groove B1 of spool 7 and valve seat 1 and the second transfer port A2 hole are connected simultaneously, and namely the first transfer port A1 and the second transfer port A2 such as to export at the pressurized air of flow simultaneously.Rotate counterclockwise the flow that turning handle 4 can reduce by the second transfer port A2 hole output squeezing air, successively decrease continuously in the scope of 0-18.1 °; During more than 18.1 °, the second transfer port A2 bore closure, only has the first transfer port A1 hole output squeezing air.Turning handle 4 is positioned at horizontal position by locating stud 10.
With reference to shown in Fig. 5, turning handle 4 is rotated counterclockwise 45 °, now the first transfer port A1 hole of the first annular groove B1 of spool 7 only and on valve seat 1 is connected, the second transfer port A2 on second annular groove B2 of spool 7 and valve seat 1 connects, so the first transfer port A1 has pressurized air to export, and the second transfer port A2 is connected by the exhaust port A3 of the second annular groove B2 and valve seat 1.
In sum, turning handle 4 is when horizontal position, and the first transfer port A1 and the second transfer port A2 such as to export at the pressurized air of flow simultaneously, and the flow of the second transfer port A2 output squeezing air in the scope of 0-18.1 ° is adjustable.When turning handle 4 rotates counterclockwise 45, the first transfer port A1 output squeezing air, the second transfer port A2 is vented.
When this valve connects with double-acting cylinder, turning handle 4 double-acting cylinder two ends when horizontal position enter pressurized air simultaneously.When turning handle 4 rotates counterclockwise 45 °, the air inlet of double-acting cylinder one end, the other end is vented.Like this, when can control the reciprocating motion of the pistons of double-acting cylinder, there is different speed.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1., for a gas control rotary valve for pneumatic mould assembling mechanism, it is characterized in that:
Comprise valve seat (1) and cover the valve gap (3) on valve seat (1), the spool (7) of dish type is provided with between described valve seat (1) and valve gap (3), a cavity (100) is formed between spool (7) and valve gap (3), cylndrical surface and valve gap (3) inner cylindrical surface of rotating shaft (5) are fitted, spool (7) bottom surface and valve seat (1) upper surface are fitted, spool (7) is coaxially connected with rotating shaft (5), rotating shaft (5) the other end is arranged at described valve gap (3) outward
Described spool (7) bottom surface offers be the center of circle around valve core axis the first annular groove (B1) and the second annular groove (B2), described first annular groove (B1) and described second annular groove (B2) on same setting circle,
Described valve seat (1) bottom offers the first transfer port (A1), second transfer port (A2) and exhaust port (A3), described first transfer port (A1) is communicated with described first annular groove (B1) all the time, second transfer port (A2) or be communicated with described first annular groove (B1) or be communicated with the second annular groove (B2), when spool (7) is positioned at initial position, first transfer port (A1), second transfer port (A2) is communicated with the first annular groove (B1), described exhaust port (A3) is communicated with described second annular groove (B2), when spool (7) rotates counterclockwise 45 degree, first transfer port (A1) is communicated with the first annular groove (B1), second transfer port (A2), exhaust port (A3) is communicated with described second annular groove (B2),
Described first annular groove (B1) is communicated with inlet hole (C), and inlet hole (C) is arranged at spool (7) upper surface and is communicated with described cavity (100), and pressurized air passes into described cavity (100) from valve gap (3).
2. the gas control rotary valve for pneumatic mould assembling mechanism according to claim 1, it is characterized in that: the first annular groove (B1) central angle is 180 degree, second annular groove (B2) central angle is 90 degree, described inlet hole (C) is positioned at described first annular groove (B1) middle part, and described exhaust port (A3) is positioned on the perpendicular bisector of described first transfer port (A1) and the second transfer port (A2) line of centres.
3. the gas control rotary valve for pneumatic mould assembling mechanism according to claim 1, is characterized in that: described exhaust port (A3) is L shape, and one end is communicated with described second annular groove (B2), and the other end is discharged by described valve seat (1) side.
4. the gas control rotary valve for pneumatic mould assembling mechanism according to claim 1, it is characterized in that: described rotating shaft (5) is placed in valve gap (3) one end outward and is connected with turning handle (4), described turning handle (4) two ends are connected with control wire (9).
5. the gas control rotary valve for pneumatic mould assembling mechanism according to claim 4, it is characterized in that: described valve gap (3) is positioned at rotating shaft (5) side and is provided with locating stud (10), when spool (7) is positioned at initial position, locating stud (10) and described turning handle (4) end thereof contacts.
6. the gas control rotary valve for pneumatic mould assembling mechanism according to claim 1, it is characterized in that: the excision of described rotating shaft (5) both sides, lower end forms connecting head (51), the fit depressions that connecting head (51) and described spool (7) central boss (71) are offered.
7. the gas control rotary valve for pneumatic mould assembling mechanism according to claim 1, it is characterized in that: described rotating shaft (5) coordinates for dynamic with described valve gap (3) endoporus, and be provided with seal ring (6), rotating shaft (5) is socketed with a spring (11), spring (11) one end contacts with described spool (7), and the other end contacts with the shaft shoulder (51) lower plane of rotating shaft (5).
8. the gas control rotary valve for pneumatic mould assembling mechanism according to claim 1, is characterized in that: be connected with sealing gasket (8) between described valve seat (1) and described valve gap (3).
9. the gas control rotary valve for pneumatic mould assembling mechanism according to claim 1, is characterized in that: described spool (7) is tin bronze material.
10. the gas control rotary valve for pneumatic mould assembling mechanism according to claim 1, is characterized in that: the gas-tpe fitting (2) that described cavity (100) is connected by valve gap (3) side passes into pressurized air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406767.XU CN204083301U (en) | 2014-07-23 | 2014-07-23 | For the gas control rotary valve of pneumatic mould assembling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406767.XU CN204083301U (en) | 2014-07-23 | 2014-07-23 | For the gas control rotary valve of pneumatic mould assembling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083301U true CN204083301U (en) | 2015-01-07 |
Family
ID=52176023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420406767.XU Expired - Fee Related CN204083301U (en) | 2014-07-23 | 2014-07-23 | For the gas control rotary valve of pneumatic mould assembling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204083301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141802A (en) * | 2014-07-23 | 2014-11-12 | 江苏万工科技集团有限公司 | Pneumatic control rotating valve for pneumatic box combining mechanism |
| CN105909814A (en) * | 2016-06-17 | 2016-08-31 | 特技阀门集团有限公司 | Flow regulating valve |
-
2014
- 2014-07-23 CN CN201420406767.XU patent/CN204083301U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141802A (en) * | 2014-07-23 | 2014-11-12 | 江苏万工科技集团有限公司 | Pneumatic control rotating valve for pneumatic box combining mechanism |
| CN105909814A (en) * | 2016-06-17 | 2016-08-31 | 特技阀门集团有限公司 | Flow regulating valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104141802A (en) | Pneumatic control rotating valve for pneumatic box combining mechanism | |
| CN106352116B (en) | A kind of novel double-layer four-way reversing valve | |
| CN204083301U (en) | For the gas control rotary valve of pneumatic mould assembling mechanism | |
| CN103644329B (en) | Four seven logical selector valves | |
| CN201772103U (en) | Three-position four-way hand-operated rotary valve | |
| CN104209954B (en) | A kind of manipulator of golf club soaking paste scab and using method thereof | |
| CN204420165U (en) | Revolve a noise reduction modulating valve | |
| CN204493799U (en) | Revolve a three-way control valve | |
| CN203018877U (en) | Vacuum welding device and vacuum welding control device | |
| CN204784789U (en) | There is not umbrella tooth transmission soft seal gate valve that card hinders | |
| CN207682417U (en) | A kind of manipulator exempts from outer tracheae winding arrangement | |
| CN203847759U (en) | Pilot-operated cartridge two-way double-break valve | |
| CN106224580A (en) | Two-position three-way rotary disc type reversing valve | |
| CN206869608U (en) | A kind of manipulator for the polishing of hexahedron surface | |
| CN206522502U (en) | A kind of hard sealing hand rotary valve | |
| CN208331279U (en) | A kind of sealing mechanism for valve | |
| CN204054073U (en) | A kind of manipulator of golf club soaking paste scab | |
| CN207777629U (en) | A kind of vehicle spray painting color changing valve | |
| CN203703318U (en) | Improved type pilot solenoid valve | |
| CN203703149U (en) | Gas sealing valve used in high-temperature and high-dust-content environment | |
| CN208288293U (en) | A kind of automatic spray apparatus | |
| CN202659963U (en) | Three-opening and two-position control valve | |
| CN202867883U (en) | Center line-type butterfly valve | |
| CN214221667U (en) | Automatic airflow type segmented sequence controller | |
| CN206280321U (en) | A kind of efficient hand-operated direction valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20150723 |
|
| EXPY | Termination of patent right or utility model |