CN205298774U - A gas circuit controlling means for polycrystalline silicon production - Google Patents
A gas circuit controlling means for polycrystalline silicon production Download PDFInfo
- Publication number
- CN205298774U CN205298774U CN201521106399.8U CN201521106399U CN205298774U CN 205298774 U CN205298774 U CN 205298774U CN 201521106399 U CN201521106399 U CN 201521106399U CN 205298774 U CN205298774 U CN 205298774U
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- China
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- executor
- chamber
- valve
- pistons
- output shaft
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Abstract
The utility model discloses a gas circuit controlling means for polycrystalline silicon production, it includes valve body, executor and solenoid valve, the valve rod of valve body and the coaxial fixed connection of the output shaft of executor, executor inside seal relative slip is equipped with two pistons, and two pistons divide into one with the executor inner chamber and carry out chamber and two cushion chambers, and cavity between two pistons is for carrying out the chamber, forms the cushion chamber between piston and the executor end wall that corresponds, is equipped with the output shaft carrying out the intracavity rotation, and output shaft and two pistons mesh, be equipped with the execution inlet port on the outer wall of carrying out the chamber, be equipped with the buffering inlet port on the cushion chamber outer wall, carry out the gentle gas pocket of rushing of inlet port respectively through two the venthole intercommunications of air supply pipe with the solenoid valve, the inlet port and the air supply of solenoid valve pass through the pipeline intercommunication. The utility model discloses avoid using the problem that leads to under the corruption condition that receives the valve normally to close because of the executor is long -term.
Description
Technical field:
This utility model relates to the production technical field of polysilicon industry process control, particularly relates to a kind of route controller for production of polysilicon.
Background technology:
Control in production process in polysilicon industry, controlled the trend of material by the valve opening and closing of electromagnetic valve control executor's application valve body then. When receiving out instruction, electromagnetic valve coil obtains electric, electromagnetic valve valve rod adhesive, and compression air enters executor's cylinder by electromagnetic valve, compression air is rotated by piston movement driven gear and then the valve rod with moving valve and makes valve open, and piston can promote again the spring-compressed in executor simultaneously. When receiving pass instruction, electromagnetic valve coil dead electricity, valve closing, compression air cannot be introduced into executor's cylinder, cause the spring force in executor more than the compressed air pressure in executor, make the spring reset in executor, during spring reset, promote the piston in executor and then piston driving reset gear, by valve closing, the compression air in executor is discharged from the steam vent of electromagnetic valve simultaneously. Current single-acting pneumatic cut-off ball valve can cause that valve body is walked acid material for a long time and caused the aging deformation of valve seat, causes valve resistance to become big, it is impossible to be automatically switched off and put in place; Another executor works at the scene for a long time and causes spring to corrode, and contractility declines, it is impossible to drive valve to be automatically switched off;
Utility model content:
The purpose of this utility model is in that to provide a kind of route controller for production of polysilicon, solves current control device under long-term corrosion effect, and valve cannot normal switching-off put in place, the problem that there is material internal hemorrhage due to trauma.
In order to solve above-mentioned technical problem, this utility model provides a kind of route controller for production of polysilicon, and it output shaft including valve body, executor and electromagnetic valve, the valve rod of described valve body and described executor is fixedly and coaxially connected; Seal relative sliding in described executor and be provided with two pistons, described executor's inner chamber is divided into one to perform chamber and two cushion chambers by two described pistons, cavity between two described pistons is described execution chamber, described cushion chamber is formed between described piston and corresponding described executor's end wall, rotating at described execution intracavity and be provided with described output shaft, described output shaft and two described pistons engage;The outer wall in described execution chamber is provided with execution air inlet, it is characterised in that be provided with on described cushion chamber outer wall and be buffered into pore; Described execution air inlet connects with two ventholes of described electromagnetic valve respectively through pipeline with the described pore that is buffered into; The air inlet of described electromagnetic valve and source of the gas pass through pipeline communication.
Further, described electromagnetic valve is two-position-five-way solenoid valve.
Advantage of the present utility model: a kind of valve opening and closing controlling executor's application valve body then by selecting two-position-five-way solenoid valve for the route controller of production of polysilicon that this utility model provides controls the trend of material, increase the road the second gas source pipe being buffered into pore from the second venthole of electromagnetic valve to executor simultaneously, make electromagnetic valve when closed, electromagnetic valve and the connection of the second venthole, now compression air can from second venthole enter executor be buffered into pore, make while spring firmly resets, executor is buffered into two piston relative motioies of compression air push that pore is come in, with spring together firmly by valve normal switching-off, avoid because of executor's life-time service is corroded in situation to cause valve cannot the problem of normal switching-off.
Accompanying drawing illustrates:
The front view of a kind of route controller for production of polysilicon that Fig. 1 provides for this utility model;
The top view of a kind of executor that Fig. 2 provides for this utility model.
Accompanying drawing illustrates as follows: 1, valve body; 2, executor; 201, air inlet is performed; 202, it is buffered into pore; 203, spring; 204, piston; 205, output shaft; 3, electromagnetic valve; 301, the first venthole; 302, the second venthole; 303, air inlet; 4, the first gas source pipe; 5, the second gas source pipe.
Detailed description of the invention:
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, it is described in detail below in conjunction with the accompanying drawings and the specific embodiments. (described output shaft is splined shaft, is equipped with tooth bar on the opposite face of two described pistons)
As it is shown in figure 1, in embodiment of the present utility model, it is provided that a kind of route controller for production of polysilicon, it output shaft 205 including valve body 1, executor 2 and two-position-five-way solenoid valve 3, the valve rod of valve body 1 and executor 2 is fixedly and coaxially connected; Seal relative sliding in executor 2 and be provided with two pistons 204, executor 2 inner chamber is divided into one to perform chamber and two cushion chambers by two pistons 204, cavity between two pistons 204 is for performing chamber, cushion chamber is formed between piston 204 and corresponding executor 2 end wall, it is provided with output shaft 205 performing intracavity rotation, output shaft 205 is splined shaft, is equipped with tooth bar on the opposite face of two pistons 204, and output shaft 205 engages with two pistons 204; The outer wall of cushion chamber is provided with execution air inlet 201, cushion chamber outer wall is provided with and is buffered into pore 202; Perform air inlet 201 to be connected with the first venthole 301 of electromagnetic valve 3 by the first gas source pipe 4, be buffered into pore 202 and be connected with the second venthole 302 of electromagnetic valve 3 by the second gas source pipe 5; Air inlet 303 and the source of the gas of electromagnetic valve 3 pass through pipeline communication. When electromagnetic valve 3 is energized, the air inlet 303 of electromagnetic valve 3 connects with the first venthole 301, and during power-off, the air inlet 303 of electromagnetic valve 3 connects with the second venthole 302.
Specific works process of the present utility model is as follows: when route controller is energized, compression air enters from the air inlet 303 of electromagnetic valve 3, air inlet 303 connects with the first venthole 301, therefore compression air inputs the execution air inlet 201 of executor 2 through the first venthole 301, the piston 204 at compression air push two ends, piston 204 drives output shaft 205 to rotate band ovable valve stem then and rotates valve is opened, and simultaneously piston 204 is made spring 203 be compressed by promotion.When electromagnetic valve 3 power-off, compression air enters from the air inlet 303 of electromagnetic valve 3, air inlet 303 connects with the second venthole 302, therefore compression air is buffered into pore 202 through what the second venthole 302 inputted executor 2, compression air push two-piston 204 relative motion, during electromagnetic valve 3 power-off simultaneously, compression air cannot go successively to execution air inlet 201, make executor 2 inner spring 203 reset response power more than compressed air pressure, therefore the reset of spring 203 can promote piston 204 relative motion, both can make piston 204 drive output shaft 205 to reset at combined effect, then band ovable valve stem rotates and is put in place by valve closing. avoid valve body 1 to walk acid material for a long time and cause valve seat and the aging deformation of filler, cause valve resistance to become big, it is impossible to be automatically switched off and put in place, and executor 2 works at the scene for a long time and causes spring 203 to corrode, contractility declines, it is impossible to drive the problem that valve is automatically switched off.
It is above preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, under the premise without departing from this utility model principle; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (2)
1., for a route controller for production of polysilicon, it output shaft including valve body, executor and electromagnetic valve, the valve rod of described valve body and described executor is fixedly and coaxially connected; Seal relative sliding in described executor and be provided with two pistons, described executor's inner chamber is divided into one to perform chamber and two cushion chambers by two described pistons, cavity between two described pistons is described execution chamber, described cushion chamber is formed between described piston and corresponding described executor's end wall, rotating at described execution intracavity and be provided with described output shaft, described output shaft and two described pistons engage; The outer wall in described execution chamber is provided with execution air inlet, it is characterised in that be provided with on described cushion chamber outer wall and be buffered into pore; Described execution air inlet connects with two ventholes of described electromagnetic valve respectively through gas source pipe with the described pore that is buffered into; The air inlet of described electromagnetic valve and source of the gas pass through pipeline communication.
2. a kind of route controller for production of polysilicon according to claim 1, it is characterised in that described electromagnetic valve is two-position-five-way solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106399.8U CN205298774U (en) | 2015-12-25 | 2015-12-25 | A gas circuit controlling means for polycrystalline silicon production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106399.8U CN205298774U (en) | 2015-12-25 | 2015-12-25 | A gas circuit controlling means for polycrystalline silicon production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298774U true CN205298774U (en) | 2016-06-08 |
Family
ID=56473979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521106399.8U Expired - Fee Related CN205298774U (en) | 2015-12-25 | 2015-12-25 | A gas circuit controlling means for polycrystalline silicon production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205298774U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723904A (en) * | 2017-10-30 | 2019-05-07 | 天津市北方阀门控制设备有限公司 | A kind of novel pneumatic valve control mechanism |
| CN110530619A (en) * | 2019-08-06 | 2019-12-03 | 淮安信息职业技术学院 | Drill bit test platform and test method |
| CN113389931A (en) * | 2021-06-15 | 2021-09-14 | 邵曙 | Pneumatic valve actuator with heat preservation device |
-
2015
- 2015-12-25 CN CN201521106399.8U patent/CN205298774U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723904A (en) * | 2017-10-30 | 2019-05-07 | 天津市北方阀门控制设备有限公司 | A kind of novel pneumatic valve control mechanism |
| CN110530619A (en) * | 2019-08-06 | 2019-12-03 | 淮安信息职业技术学院 | Drill bit test platform and test method |
| CN110530619B (en) * | 2019-08-06 | 2021-07-20 | 淮安信息职业技术学院 | Drill bit test platform and test method |
| CN113389931A (en) * | 2021-06-15 | 2021-09-14 | 邵曙 | Pneumatic valve actuator with heat preservation device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20211225 |