CN203389781U - Control device for spray gun - Google Patents
Control device for spray gun Download PDFInfo
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- CN203389781U CN203389781U CN201320460167.7U CN201320460167U CN203389781U CN 203389781 U CN203389781 U CN 203389781U CN 201320460167 U CN201320460167 U CN 201320460167U CN 203389781 U CN203389781 U CN 203389781U
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- China
- Prior art keywords
- spray gun
- magnetic valve
- way magnetic
- controller
- control device
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Abstract
The utility model provides a control device for a spray gun. The control device for the spray gun comprises a controller and a plurality of control switches which are connected with the controller; the control switches comprise three-way solenoid valves and gas pressure sensors; inlets of the three-way solenoid valves are communicated with outside atmospheric pressure and a barometric pressure source; outlets of the three-way solenoid valves are connected with gas inlets of the spray gun; the gas pressure sensors are arranged inside gas channels which are arranged between the outlets of the three-way solenoid valves and the gas inlet of the spray gun; output ends of the gas pressure sensors are connected with the input end of the controller; the output end of the controller is connected with control ends of the three-way solenoid valves. The control device for the spray gun has the advantages of being high in spraying efficiency, rapid in spraying speed and low in spraying cost.
Description
Technical field
The utility model belongs to spraying application technical field, relates to a kind of control device of spray gun.
Background technology
Spray gun is as the critical component of spraying equipment in industry and building trade, and especially in the decoration in house, the fields such as application of various components of machine and other industrial products, are widely used.Wherein automatic spray gun is because it is without artificial manual operations, only needs indirectly to control spray gun and cut-off by controlling air pressure in corresponding gas circuit, improved operating efficiency, and in various automation spray painting apparatus, application is very extensive.Yet, from receiving control instruction, to automatic spray gun open and close, moved, because changing to specified pressure value, control gas circuit pressure often needs certain hour, and this must cause automatic spray gun actual act to produce late effect.When carrying out various high-velocity spray task, due to spray gun high-speed motion, the delay of spray gun action must cause spraying the variation on border.When need complete polychrome, pattern spraying etc. and need to control boundary shape task, this delay will greatly limit spray rate.
While needing to control border in actual applications at present, adopt such as blocks at the supplementary means more, utilized shelter to cover part beyond border by sprayed surface.This causes carrying out must waiting for that the lacquer painting of capped part solidifies before spraying work, in order to avoid destroy this part lacquer painting, meanwhile, must additionally prepare shelter, has seriously restricted operating efficiency.At present, how the automatic spray gun on market does not directly indicate switching delay time, yet existing automatic spray gun is much in 4Oms time delay on the market through investigation.The spraying of digital camouflage pattern of take is example, and because pattern is comprised of a large amount of color lumps, have relatively high expectations in the interblock border of checking colors, if adopt one by one the mode of blocking to complete spraying, efficiency is very low.And adopt automatic spraying equipment to spray, and must face along with spray gun movement velocity increases, this delay will make the increasing problem of boundary error.Therefore along with progressively improve the requirement of spraying operation in market, various pattern spraying tasks are more and more, how to reduce spray gun and become the crucial difficult point of putting forward spraying operating efficiency time delay.Directly improve spray gun structure, the most direct mode beyond doubt, yet this type of improve difficulty, cost is all higher.
Utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, provides a kind of and can make the spray efficiency of spray gun high, spray rate is fast and the control device of the spray gun that spraying cost is low.
For achieving the above object; the control device of spray gun described in the utility model comprises controller and the some gauge taps that are connected with described controller; described gauge tap comprises three-way magnetic valve and baroceptor; the entrance of described three-way magnetic valve is connected with external atmosphere pressure and pneumatic supply respectively; the outlet of described three-way magnetic valve is connected with the gas access of spray gun, and described baroceptor is arranged in the gas passage between the outlet of described three-way magnetic valve and the gas access of spray gun;
The output of described baroceptor is connected with the input of described controller, and the output of described controller is connected with the control end of described three-way magnetic valve.
Described three-way magnetic valve comprises the first three-way magnetic valve and the second three-way magnetic valve; the entrance of described the second three-way magnetic valve is connected with external atmosphere pressure; the first entrance of described the first three-way magnetic valve and the second entrance are connected with outlet and the pneumatic supply of described the second three-way magnetic valve respectively, and the outlet of described the first three-way magnetic valve is connected with the gas access of spray gun; The control end of the control end of described the first three-way magnetic valve and the second three-way magnetic valve is connected with the output of described controller respectively.
Described pneumatic supply is air compressor.
The utlity model has following beneficial effect:
The control device of spray gun described in the utility model is realized the pre-supercharging of spray gun, unlatching, is reduced pressure in advance and turn-off operation by described controller and gauge tap, before spraying, spray gun first spray gun is carried out to pre-supercharging, and adopt first the gas in spray gun is carried out to the mode that decompression is turn-offed again in advance after spraying completes, thereby effectively reduce the late effect of Switch of spray pistol, and then the efficiency of the precision of raising spray gun spraying and spraying work, the cost, particularly development and the application for digital camouflage work camouflage that reduce spray gun spraying provide key technology support.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the connection layout of the first three-way magnetic valve 3 and the second three-way magnetic valve 4 in the utility model;
Fig. 3 is that spray gun open stage is controlled gas circuit air pressure change schematic diagram;
Fig. 4 is that spray gun dwell period is controlled gas circuit air pressure transformation schematic diagram.
Wherein, 1 is that controller, 2 is that baroceptor, 3 is that the first three-way magnetic valve, 4 is the second three-way magnetic valve.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to figure 1 and Fig. 2; the control device of spray gun described in the utility model comprises controller 1 and the some gauge taps that are connected with described controller 1; described gauge tap comprises three-way magnetic valve and baroceptor 2; the entrance of described three-way magnetic valve is connected with external atmosphere pressure and pneumatic supply respectively; the outlet of described three-way magnetic valve is connected with the gas access of spray gun, and described baroceptor 2 is arranged in the gas passage between the outlet of described three-way magnetic valve and the gas access of spray gun; The output of described baroceptor 2 is connected with the input of described controller 1; the output of described controller 1 is connected with the control end of described three-way magnetic valve; described three-way magnetic valve comprises the first three-way magnetic valve 3 and the second three-way magnetic valve 4; the entrance of described the second three-way magnetic valve 4 is connected with external atmosphere pressure; the first entrance of described the first three-way magnetic valve 3 and the second entrance are connected with outlet and the pneumatic supply of described the second three-way magnetic valve 4 respectively, and described first outlet of three-way magnetic valve 3 and the gas access of spray gun are connected; The control end of the control end of described the first three-way magnetic valve 3 and the second three-way magnetic valve 4 is connected with the output of described controller 1 respectively, described pneumatic supply is air compressor, described controller 1 cuts out or is opened described the first three-way magnetic valve 3 and the second three-way magnetic valve 4 according to the pressure information of user's input message and baroceptor 2 outputs by logical operation, user can realize the input information to controller by button on controller.
Pressure information in the real-time described spray gun of monitoring of described baroceptor 2, and threshold values P is prepared in the unlatching that the air pressure in described spray gun equals spray gun
oTtime, described baroceptor 2 produces the first pressure information, and described the first pressure information is forwarded in controller 1; Air pressure in described spray gun is down to the shutoff of spray gun and is prepared threshold values P
cTtime, described baroceptor 2 produces the second pressure information, and described the second pressure information is forwarded in controller 1, described controller 1 can complete the control to the first three-way magnetic valve 3, the second three-way magnetic valve 4 according to described the first pressure information, the second pressure information and user's operation information, thereby realizes the control to the air pressure of air-flow in spray gun.
With reference to figure 3 and Fig. 4; the control device of a kind of spray gun described in the utility model; can realize successively the pre-supercharging, unlatching of spray gun, reduce pressure and turn-off in advance, before the unlatching of spray gun, first the air pressure in spray gun be carried out to pre-supercharging, thereby can effectively reduce spray gun, open the time used; Before spray gun turn-offs, first the air pressure in spray gun is reduced pressure in advance, then turn-offing described spray gun, thereby can effectively reduce the time described in the shutoff of described spray gun, and then effectively reduce the late effect of Switch of spray pistol, the precision of spray gun spraying and the efficiency of spraying work are provided, specific as follows:
1) pre-supercharging
User is to the pre-supercharging information of controller 1 input, described controller 1 cuts out the first entrance on the first three-way magnetic valve 3 according to pre-supercharging information, and open the second entrance on described the first three-way magnetic valve 3, when sensing the atmospheric pressure value in spray gun, described baroceptor 2 equals the unlatching preparation threshold values P of spray gun
oTtime, described baroceptor 2 produces the first pressure information, and described the first gas information is forwarded to controller 1, described controller 1 cuts out the second entrance of the first three-way magnetic valve 3 according to the first pressure information, open the first entrance of described the first three-way magnetic valve 3, and close the that enters of described the second three-way magnetic valve 4, thereby threshold values P is prepared in the unlatching that makes atmospheric pressure value in described spray gun be controlled at spray gun
oT;
2) spray gun is opened
User inputs the opening information of opening spray gun in described controller 1, the second entrance that described controller 1 is opened described the first three-way magnetic valve 3 according to described opening information is connected the first three-way magnetic valve 3 and pneumatic supply, and the atmospheric pressure value in spray gun is greater than the unlatching air pressure threshold values P of spray gun
omtime, described spray gun can be opened completely;
3) decompression in advance
User asks and in described controller 1, inputs pre-decompression information, described controller 1 cuts out the second entrance on the first three-way magnetic valve 3 according to pre-decompression information, open the first entrance of described the first three-way magnetic valve 3, and open the entrance of described the second three-way magnetic valve 4, air pressure in spray gun is declined, and the atmospheric pressure value in described spray gun is down to the shutoff of spray gun and is prepared threshold values P
cTtime, described baroceptor 2 produces the second pressure information, and described the second pressure information is forwarded in controller 1, described controller 1 cuts out the entrance of the second three-way magnetic valve 4 according to the second pressure information, and the value of cutting off from P is prepared in the shutoff that makes atmospheric pressure value in spray gun maintain spray gun
cTthereby, complete the pre-decompression of described spray gun;
4) spray gun turn-offs
User inputs shutoff information in described controller 1, and described controller 1 is opened the entrance of described the second three-way magnetic valve 4 according to described shutoff information, and air pressure in described spray gun is reduced, until the atmospheric pressure value in spray gun be less than spray gun close atmospheric pressure value threshold values P
clafter, described spray gun turn-offs completely.
Claims (3)
1. the control device of a spray gun, it is characterized in that, comprise controller (1) and the some gauge taps that are connected with described controller (1), described gauge tap comprises three-way magnetic valve and baroceptor (2), the entrance of described three-way magnetic valve is connected with external atmosphere pressure and pneumatic supply respectively, the outlet of described three-way magnetic valve is connected with the gas access of spray gun, and described baroceptor (2) is arranged in the gas passage between the outlet of described three-way magnetic valve and the gas access of spray gun;
The output of described baroceptor (2) is connected with the input of described controller (1), and the output of described controller (1) is connected with the control end of described three-way magnetic valve.
2. the control device of spray gun according to claim 1, it is characterized in that, described three-way magnetic valve comprises the first three-way magnetic valve (3) and the second three-way magnetic valve (4), the entrance of described the second three-way magnetic valve (4) is connected with external atmosphere pressure, the first entrance of described the first three-way magnetic valve (3) and the second entrance are connected with outlet and the pneumatic supply of described the second three-way magnetic valve (4) respectively, and the outlet of described the first three-way magnetic valve (3) is connected with the gas access of spray gun; The control end of the control end of described the first three-way magnetic valve (3) and the second three-way magnetic valve (4) is connected with the output of described controller (1) respectively.
3. the control device of spray gun according to claim 1, is characterized in that, described pneumatic supply is air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320460167.7U CN203389781U (en) | 2013-07-30 | 2013-07-30 | Control device for spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320460167.7U CN203389781U (en) | 2013-07-30 | 2013-07-30 | Control device for spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203389781U true CN203389781U (en) | 2014-01-15 |
Family
ID=49901343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320460167.7U Expired - Fee Related CN203389781U (en) | 2013-07-30 | 2013-07-30 | Control device for spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203389781U (en) |
-
2013
- 2013-07-30 CN CN201320460167.7U patent/CN203389781U/en not_active Expired - Fee Related
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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: 20140115 Termination date: 20160730 |