CN103398198A - Rapid intermittent feeding device - Google Patents
Rapid intermittent feeding device Download PDFInfo
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- CN103398198A CN103398198A CN201310321968XA CN201310321968A CN103398198A CN 103398198 A CN103398198 A CN 103398198A CN 201310321968X A CN201310321968X A CN 201310321968XA CN 201310321968 A CN201310321968 A CN 201310321968A CN 103398198 A CN103398198 A CN 103398198A
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- spool
- valve
- valve body
- stop valve
- feeding device
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Abstract
A rapid intermittent feeding device comprises a control valve and a control system. The control valve is a stop valve comprising a valve body and a spool, the spool is arranged in an inner cavity of the valve body, the inner cavity is communicated with an input channel in an input pipe and an output channel in an output pipe of the stop valve, a through hole is formed in the valve body, a driving rod penetrates the through hole, two ends of the driving rod are connected with the spool and a spool driving device arranged outside the valve body respectively, and the spool driving device is electrically connected with the control system. The control system drives the spool through the spool driving device and enables an outlet at the joint of the output channel and the inner cavity to be opened or closed. The surface of the end, away from the outlet, of the spool is smooth. The rapid intermittent feeding device has the advantages that the stop valve is mainly used as the control valve, and the surface of the end, away from the outlet, of the spool of the stop valve is smooth, so that resistance of coating to the spool is reduced; a servo motor is used for driving the spool to move, so that sensitivity of the high-speed response stop valve is improved, and the stop valve can control amount of outflow coating accurately; the rapid intermittent feeding device is good in accuracy, high in working efficiency, capable of improving product quality and the like.
Description
Technical field
The invention belongs to a kind of lithium cell manufacturing equipment field, relate in particular to a kind of quick intermittent feeding device.
Background technique
Valve is the control gear of fluid line, and its fundamental function is the circulation that switches on or off the pipeline medium, changes the circulating direction of medium, regulates pressure and the flow of medium, and the normal operation of protective tube pipeline equipment also has the functions such as shunting or overflow release.Along with the development of modern industry, the demand of valve constantly increases.In the coating industry,, in order to make the better quality of the product that coating machine produces, make product have more the market competitiveness, need the valve of the control coating in coating machine that very high sensitivity is arranged, can very accurately control the coating content that flows out from valve.In existing coating machine, an end face of spool is designed to plane, and spool is in mobile process, and the plane of spool must will promote to fill the coating in valve cavity.So just increased the resistance that spool moves, affected the sensitivity of valve, made valve can not accurately control the coating content of outflow.
Summary of the invention
In order to overcome the problems referred to above, the present invention provides a kind of quick intermittent feeding device that can accurately control the coating flow to society.
technological scheme of the present invention is: a kind of quick intermittent feeding device is provided, comprise control valve and control system, described control valve is stop valve, described stop valve comprises valve body and spool, described spool is arranged in the inner chamber of described valve body, input channel in described inner chamber and described stop valve input pipeline and the output channel in output pipeline communicate, be provided with a through hole on described valve body, one driveshaft passes described through hole and two ends are connected with the device for driving valve body outside being connected described valve body with described spool respectively, described device for driving valve body and described control system are electrically connected, described control system drives described spool by described device for driving valve body, and described output channel and portalling of described inner chamber junction are switched on or off, and described spool is round and smooth shape away from the surface of described termination of portalling.
As improvement the most of the present invention, described control valve also comprises the relief valve that the first three-way pipe and first end are connected with the first reflux line, described the first three-way pipe first end is feed end, the second end is connected with described relief valve the second end, the 3rd end is connected with described stop valve input pipeline, and described stop valve output pipeline is connected with squeeze head.
As improvement the most of the present invention, described control valve also comprises Twoway valves and the second tee union, described the second tee union first end is connected with described first tee union the second end, described second tee union the second end is connected with described relief valve the second end, the 3rd end is connected with described Twoway valves input pipeline, and described Twoway valves output pipeline is connected with the second reflow pipe; The spool of described Twoway valves is connected with its drive unit, and the device for driving valve body of described Twoway valves is electrically connected with described control system respectively.
As improvement the most of the present invention, the structure of described Twoway valves is identical with the structure of described stop valve.
As improvement the most of the present invention, described spool is regular geometric shapes away from described described termination of portalling.
As improvement the most of the present invention, described regular geometric shapes is cone shape, spherosome shape, segment shape, hemispherical or ellipsoid shaped.
As improvement the most of the present invention, described spool is cone shape or spheroid, segment or hemispherical near described termination of portalling.
As improvement the most of the present invention, the internal surface of described inner chamber and described output channel junction is coniform or spherical shape.
As improvement the most of the present invention, the described device for driving valve body of described stop valve comprises actuating motor and leading screw, and the rotating shaft of described actuating motor is connected with the screw rod of described leading screw, and the slide block that is arranged on described screw rod is connected with described driveshaft.
The invention has the beneficial effects as follows: what control valve in the present invention mainly adopted is stop valve and relief valve, the spool of stop valve is round and smooth shape away from the surface of the termination of portalling, reduced the resistance of coating to spool, and use driven by servomotor valve core movement, improve the sensitivity of high-speed response stop valve, made stop valve can accurately control the coating content of outflow, had validity good, high working efficiency, improved the advantages such as quality of product.Relief valve need not to use drive unit, and degree of regulation is high; During the rated pressure that arranges greater than relief valve when the pressure in tee union, relief valve will be opened automatically, and coating is flowed out from reflux line.In order to prevent that unsafe accident from occurring, also increased assurance coating two-way valve, relief valve and two-way valve have been all to control the effect that refluxes, when relief valve and one of them cisco unity malfunction of two-way valve, another can work, have advantages of simple in structure, cost of production is low.
Description of drawings
Fig. 1 is the plane structure schematic diagram of an embodiment of the present invention.
Fig. 2 is the another kind of embodiment's of the present invention plane structure schematic diagram.
Fig. 3 is the partial schematic sectional view of the stop valve in Fig. 1 and Fig. 2.
Fig. 4 is a kind of embodiment's of spool of Fig. 3 plane structure schematic diagram.
Fig. 5 is the another kind of embodiment's of spool of Fig. 3 plane structure schematic diagram.
Fig. 6 is the third embodiment's of spool of Fig. 3 plane structure schematic diagram.
Wherein: 1. squeeze head; 2. control valve; 3. stop valve; 31. valve body; 32. stop valve input pipeline; 321. input channel; 33. stop valve output pipeline; 331. output channel; 34. inner chamber; 35. spool; 36. driveshaft; 37. through hole; 38. seal ring; 4. the first tee union; 41. the first tee union first end; 42. first tee union the second end; 43. the first tee union the 3rd end; 5. relief valve; 51. relief valve first end; 52. relief valve the second end; 6. the second tee union; 61. the second tee union first end; 62. second tee union the second end; 63. the second tee union the 3rd end; 7. two-way valve; 71. two-way valve input pipeline; 72. two-way valve output pipeline; 8. device for driving valve body; 81. actuating motor; 82. screw rod; 83. slide block; 100 first reflux lines; 200. the second reflux line.
Embodiment
see also Fig. 1, that Fig. 1 discloses is a kind of wherein a kind of embodiment of quick intermittent feeding device, comprise squeeze head 1, control valve 2 and control system, described control valve 2 comprises stop valve 3, the first tee union 4 and relief valve 5, described relief valve first end 51 is connected with the first reflux line 100, described the first tee union first end 41 is feed end, the second end 42 is connected with described relief valve the second end 52, the 3rd end 43 is connected with described stop valve input pipeline 32, described stop valve output pipeline 33 is connected with described squeeze head 1, the spool of described stop valve 3 is connected with its drive unit, described device for driving valve body 8 is electrically connected with described control system.
In the present embodiment, described relief valve 5 is direct-acting overflow valve or leading type spill valve, and described relief valve 5 use self-contained pressure regulators replace.The detailed construction of described stop valve 3 sees also Fig. 3 to Fig. 6, and described device for driving valve body 8 is pneumatic linear actuator, oil hydraulic cylinder or electric cylinder etc., and described control system is the programmable PLC control system.
In the present embodiment, described relief valve 5 and described self-contained pressure regulator all need not to use drive unit, and degree of regulation is high; During the rated pressure that arranges greater than described relief valve 5 or described self-contained pressure regulator when the pressure in described tee union 4, described relief valve 5 or described self-contained pressure regulator will be opened automatically, and coating is flowed out from described reflux line 100.Have simple in structure, cost of production is low, the Safety performance advantages of higher.
When needs are coated with continuously, the rated pressure of described relief valve 5 is set, described relief valve 5 is in closed condition, the programmable PLC control system is controlled described device for driving valve body 8 work, and the spool that described device for driving valve body 8 drives described stop valve 3 moves, and described stop valve 3 is opened, coating flows to continuously from described feed end, through described the first tee union the 3rd end 43 and described stop valve 3, flow out from described squeeze head 1 finally, thus reality coating continuously.
When needs intermittently were coated with, after completing certain coating distance, the programmable PLC control system was controlled described device for driving valve body 8 work, and the spool that described device for driving valve body 8 drives described stop valve 3 moves.Described stop valve 3 is closed, coating flows to continuously from described feed end, pressure in described the first tee union 4 increases, when pressure during greater than the rated pressure of described relief valve 5, described relief valve 5 is opened, coating, by described relief valve 5, flows out from described the first reflux line 100, through reflux line, flows in the coating holding vessel.At this moment, described squeeze head 1 does not have coating to flow out, and coating stops, and constantly repeats said process, has just realized intermittently coating.
see also Fig. 2, that Fig. 2 discloses is a kind of another kind of embodiment of quick intermittent feeding device, comprise squeeze head 1, control valve 2 and control system, described control valve 2 comprises stop valve 3, the first tee union 4, the second tee union 6, two-way valve 7 and relief valve 5, described relief valve first end 51 is connected with the first reflux line 100, described the first tee union first end 41 is feed end, the second end 42 is connected with described the second tee union first end 61, the 3rd end 43 is connected with described stop valve input pipeline 32, described stop valve output pipeline 33 is connected with described squeeze head 1, described second tee union the second end 62 is connected with described relief valve the second end 52, and the 3rd end 63 is connected with described two-way valve input pipeline 71, and described two-way valve output pipeline 72 is connected with the second reflux line 200, the spool of described stop valve 3 is connected with its drive unit, and the spool of described two-way valve 7 is connected with its drive unit, and the device for driving valve body 8 of described stop valve 3 and the device for driving valve body 8 of described two-way valve 7 are electrically connected with described control system respectively.
In the present embodiment, described relief valve 5 is direct-acting overflow valve or leading type spill valve, and described relief valve 5 use self-contained pressure regulators replace.The detailed construction of described stop valve 3 sees also Fig. 3 to Fig. 6, and the structure of described two-way valve 7 can be identical with the structure of described stop valve 3.Described two-way valve 7 can also be pneumatic, hydraulic pressure and/or Electric Actuated Stop Valves, and the device for driving valve body 8 of described stop valve 3 and the device for driving valve body 8 of described two-way valve 7 are pneumatic linear actuator, oil hydraulic cylinder or electric cylinder etc., and described control system is the programmable PLC control system.Described stop valve 3 can accurately be controlled the coating content of outflow, has validity good, and high working efficiency has improved the advantages such as quality of product.
When needs are coated with continuously, the rated pressure of described relief valve 5 is set, described relief valve 5 is in closed condition, the programmable PLC control system is controlled device for driving valve body 8 work of device for driving valve body 8 and the described two-way valve 7 of described stop valve 3, the spool that the device for driving valve body 8 of described stop valve 3 drives described stop valve 3 moves, and described stop valve 3 is opened; The spool that the device for driving valve body 8 of described two-way valve 7 drives described two-way valve 7 moves, described two-way valve 7 cuts out, and coating flows to continuously from described feed end, through described the first tee union the 3rd end 43 and described stop valve 3, flow out from described squeeze head 1 finally, thus reality coating continuously.
When needs intermittently are coated with, after completing certain coating distance, the programmable PLC control system is controlled device for driving valve body 8 work of device for driving valve body 8 and the described two-way valve 7 of described stop valve 3, the spool that the device for driving valve body 8 of described stop valve 3 drives described stop valve 3 moves, and described stop valve 3 is closed; The spool that the device for driving valve body 8 of described two-way valve 7 drives described two-way valve 7 moves, and described two-way valve 7 is opened.Coating flows to continuously from described feed end,, by described the first tee union 4, described the second tee union 6 and described two-way valve 7, from described the second reflux line 200, flows out, and through reflux line, flows in the coating holding vessel.At this moment, described squeeze head 1 does not have coating to flow out, and coating stops, and constantly repeats said process, has just realized intermittently coating.
When described stop valve 3 is closed while with described two-way valve 7, all closing, coating flows to continuously from described feed end, pressure in the first tee union 4 and described the second tee union 6 is increased, when pressure during greater than the rated pressure of described relief valve 5, described relief valve 5 is opened, coating, by described relief valve 5, flows out from described the first reflux line 100, through reflux line, flows in the coating holding vessel.
In the present embodiment, described relief valve 5 and described two-way valve 7 have been all to control the effect that refluxes, when described relief valve 5 and described two-way valve 7 one of them cisco unity malfunction, another can work, design can prevent effectively that in process of production unsafe accident from occurring like this, and simple in structure, cost of production is low.
See also Fig. 3, a kind of embodiment of stop valve in Fig. 1 that Fig. 3 discloses and Fig. 2, comprise valve body 31 and spool 35, described spool 35 is arranged in the inner chamber 34 of described valve body 31, and and the internal chamber wall of described valve body 31 between have intermittently, input channel 321 in described inner chamber 34 and described stop valve input pipeline and the output channel 331 in output pipeline communicate, and are provided with a through hole 37 on described valve body 31, and described through hole 37 communicates with described output channel 331.One driveshaft 36 passes described through hole 37 and two ends are connected with the device for driving valve body 8 outside described valve body 31 is set with described spool 35 respectively, and described device for driving valve body 8 is arranged on the below of described valve body 31.One seal ring 61 is arranged in described through hole 37, and described driveshaft 36 is sealed and matched by seal ring 38 and described through hole 37.Described device for driving valve body 8 drives described spool 35 by described driveshaft 36 and moves in described inner chamber 34, and described output channel 331 was switched on or off with portalling of described inner chamber 34 junctions.
In the present embodiment, described spool 35 is spherosomes; Described spool 35 is round and smooth shape (streamlined) near the surface of described termination of portalling.Described spool 35 is regular geometric shapes near described described termination of portalling, and described regular geometric shapes is cone shape, spherosome shape, segment shape, hemispherical or ellipsoid shaped.Described spool 35 is cone shape or spheroid, segment or hemispherical near described termination of portalling.Described spool 35 is cone shape near described termination of portalling, and described spool 35 is hemisphere shape (shown in Figure 4) away from described termination of portalling; Described spool 35 is cone shape near described termination of portalling, and described spool 35 is cone shape (shown in Figure 5) away from described termination of portalling; Described spool 35 is the hemisphere shape near described termination of portalling, and described spool 35 is cone shape (shown in Figure 6) away from the termination of the described opposite side that portals; Described spool 35 can also be ellipsoid.The design sensitivity that improved described stop valve 3 like this, make described stop valve 3 can accurately control the coating content of outflow, has validity good, and high working efficiency, improved the advantages such as quality of product.
In the present embodiment, described output channel 331 is coniform with the internal surface of described inner chamber 34 junctions; Described stop valve output channel 331 can also be spherical shape with the internal surface of described inner chamber 34 junctions.
As improvement of the present invention, described through hole 37 can also communicate with described input pipeline 321.Described device for driving valve body 8 is arranged on the top of described valve body 31, and described device for driving valve body 8 drives 35 pairs of described portalling of described spools by described driveshaft 36 from top to down and seals.
In the present embodiment, described device for driving valve body 8 comprises actuating motor 81 and leading screw, and the rotating shaft of described actuating motor 81 is connected with the screw rod of described leading screw 82, and the slide block 83 that is arranged on described screw rod 82 is connected with described driveshaft 36.Described actuating motor 81 can replace with stepper motor, and described screw rod 82 can be sliding screw or ball screw etc.Described device for driving valve body 8 can also be oil hydraulic cylinder or pneumatic linear actuator.
In the present invention, in the time of described stop valve 3 need to being opened, control described actuating motor 81 work, described actuating motor 81 drives described screw rod 82 and rotates, described slide block 83 moves up, and the described driveshaft 36 that is arranged on described slide block 83 also synchronously moves up, and described spool 35 also synchronously moves up under the active force of described driveshaft 36, portal away from described, the coating in described inner chamber 34 flows out from described stop valve output pipeline 33.In the time of described stop valve 3 need to being closed, control described actuating motor 81 work, described actuating motor 81 drives described screw rod 82 and rotates, described slide block 83 moves down, the described driveshaft 36 that is arranged on described slide block 83 also synchronously moves down, described spool 35 also synchronously moves down under the active force of described driveshaft 36, until described portalling sealed up.
Claims (9)
1. quick intermittent feeding device, comprise control valve and control system, it is characterized in that, described control valve is stop valve, described stop valve comprises valve body and spool, described spool is arranged in the inner chamber of described valve body, input channel in described inner chamber and described stop valve input pipeline and the output channel in output pipeline communicate, be provided with a through hole on described valve body, one driveshaft passes described through hole and two ends are connected with the device for driving valve body outside being connected described valve body with described spool respectively, and described device for driving valve body and described control system are electrically connected; Described control system drives described spool by described device for driving valve body, and described output channel and portalling of described inner chamber junction are switched on or off, and described spool is round and smooth shape away from the surface of described termination of portalling.
2. quick intermittent feeding device according to claim 1, it is characterized in that: described control valve also comprises the relief valve that the first three-way pipe and first end are connected with the first reflux line, described the first three-way pipe first end is feed end, the second end is connected with described relief valve the second end, the 3rd end is connected with described stop valve input pipeline, and described stop valve output pipeline is connected with squeeze head.
3. quick intermittent feeding device according to claim 2, it is characterized in that: described control valve also comprises Twoway valves and the second tee union, described the second tee union first end is connected with described first tee union the second end, described second tee union the second end is connected with described relief valve the second end, the 3rd end is connected with described Twoway valves input pipeline, and described Twoway valves output pipeline is connected with the second reflow pipe; The spool of described Twoway valves is connected with its drive unit, and the device for driving valve body of described Twoway valves is electrically connected with described control system respectively.
4. quick intermittent feeding device according to claim 3, it is characterized in that: the structure of described Twoway valves is identical with the structure of described stop valve.
5. quick intermittent feeding device according to claim 1 and 2, it is characterized in that: described spool is regular geometric shapes away from described described termination of portalling.
6. quick intermittent feeding device according to claim 5, it is characterized in that: described regular geometric shapes is cone shape, spherosome shape, segment shape, hemispherical or ellipsoid shaped.
7. quick intermittent feeding device according to claim 1 and 2 is characterized in that: described spool is cone shape or spheroid, segment or hemispherical near described termination of portalling.
8. quick intermittent feeding device according to claim 7, it is characterized in that: the internal surface of described inner chamber and described output channel junction is coniform or spherical shape.
9. quick intermittent feeding device according to claim 1 and 2, it is characterized in that: the described device for driving valve body of described stop valve comprises actuating motor and leading screw, the rotating shaft of described actuating motor is connected with the screw rod of described leading screw, and the slide block that is arranged on described screw rod is connected with described driveshaft.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310321968XA CN103398198A (en) | 2013-07-29 | 2013-07-29 | Rapid intermittent feeding device |
| CN201310738575.9A CN103706527B (en) | 2013-07-29 | 2013-12-30 | The voltage stabilizing feeding system of extrusion type intermittent coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310321968XA CN103398198A (en) | 2013-07-29 | 2013-07-29 | Rapid intermittent feeding device |
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| CN103398198A true CN103398198A (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310321968XA Pending CN103398198A (en) | 2013-07-29 | 2013-07-29 | Rapid intermittent feeding device |
| CN201310738575.9A Active CN103706527B (en) | 2013-07-29 | 2013-12-30 | The voltage stabilizing feeding system of extrusion type intermittent coating |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310738575.9A Active CN103706527B (en) | 2013-07-29 | 2013-12-30 | The voltage stabilizing feeding system of extrusion type intermittent coating |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114308528A (en) * | 2021-12-06 | 2022-04-12 | 深圳斯多福新材料科技有限公司 | Coating head for uniformly coating |
| CN114704675B (en) * | 2022-03-18 | 2023-04-28 | 广东嘉拓自动化技术有限公司 | Valve core installation and debugging method and tool of gap coating equipment |
| WO2024008857A1 (en) * | 2022-07-06 | 2024-01-11 | Northvolt Ab | A system for coating a slurry onto a substrate and a method of coating using said system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6397259A (en) * | 1986-10-14 | 1988-04-27 | Shinkawa Ltd | Paste discharger |
| CN101786071A (en) * | 2010-01-23 | 2010-07-28 | 深圳市浩能科技有限公司 | Control value for realizing gap extrusion coating |
| CN202129186U (en) * | 2011-05-11 | 2012-02-01 | 东莞市九州浩德新能源设备有限公司 | Extrusion type intermittent coating machine and coating device thereof |
| CN202490743U (en) * | 2012-02-14 | 2012-10-17 | 东莞新能源科技有限公司 | Gap extruding and coating system |
| CN203044278U (en) * | 2012-12-31 | 2013-07-10 | 深圳市嘉拓自动化技术有限公司 | Clearance coating control valve used for coating equipment |
| CN203155468U (en) * | 2013-04-10 | 2013-08-28 | 宁德新能源科技有限公司 | Extrusion coating device |
| CN203664140U (en) * | 2013-12-30 | 2014-06-25 | 深圳市信宇人科技有限公司 | Pressure-stabilized feeding system for extrusion type intermittent coating |
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2013
- 2013-07-29 CN CN201310321968XA patent/CN103398198A/en active Pending
- 2013-12-30 CN CN201310738575.9A patent/CN103706527B/en active Active
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| CN103706527A (en) | 2014-04-09 |
| CN103706527B (en) | 2016-01-27 |
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