CN205966236U - Resin flow closed -loop control device - Google Patents
Resin flow closed -loop control device Download PDFInfo
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- CN205966236U CN205966236U CN201620747178.7U CN201620747178U CN205966236U CN 205966236 U CN205966236 U CN 205966236U CN 201620747178 U CN201620747178 U CN 201620747178U CN 205966236 U CN205966236 U CN 205966236U
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Abstract
The utility model relates to an automatic control field, especially, relate to a resin flow closed -loop control device, can be applied to the spraying flow of a control resin spray gun, can include the plunger pump, controller and flow sensor, the plunger pump is connected with an air driving device, controller and the air mass flow of air driving device electrical connection with the output of control air driving device, the resin spray gun is connected with the resin delivery outlet of plunger pump, the function of air driving device driving plunger pump, thereby the pump moves resin from resin delivery outlet output, flow sensor and controller for electric are connected, real -time flux value with the resin of the resin delivery outlet with detecting department feeds back to the controller, a normal flow value has been predetermine to the controller, the controller constantly carries out the comparison with real -time flux value and normal flow value, and constantly adjust the air mass flow that air driving device exported according to the discrepancy that compares the gained, and then realize more accurately, stable spraying flow control, spraying technology's degree of automation has been improved.
Description
Technical field
The utility model is related to automation field, more particularly, to a kind of resin flow closed-loop control device.
Background technology
In the sanitary ware industries such as bathtub, toilet in acrylic product, it usually needs the glass with chopping after resin is atomized
Fiber mixes, and even application, in surface of the work, forms firm fiberglass layer.Resin, as binding agent, plays fixing glass after solidification
Fine effect.
The commonly used at present artificial spray gun spraying of the spraying of resin.Because resin viscosity is very high, it usually needs heated
Insulation, to reduce viscosity.Resin after heating is measured through plunger displacement pump, and atomization after being transported to spray gun sprays.Generally artificial
During spraying, artificially estimate resin flow, be driven manually air pressure adjust, therefore do not need resin flow monitoring and from
Dynamic control device.
However, the pitch control device currently used for hand spray is not suitable for automatic spraying system, it is primarily present following
Problem：
1）Cannot real-time regulation resin flow in spraying process；
2）Resin flow does not detect feedback device, judges by human eye, controls inaccurate.
Utility model content
For the problems referred to above, the utility model proposes a kind of resin flow closed-loop control device, it is applied to control a tree
The spraying flow of fat spray gun；Described resin flow closed-loop control device includes：
Plunger displacement pump, is connected with an air movement device；
Controller, with the electrical connection of described air movement device to control the air stream of described air movement device output
Amount；
Described resin spray gun is connected with the resin delivery outlet of described plunger displacement pump；
Described air movement device drives described plunger displacement pump running, thus pump moves resin and exports from described resin delivery outlet；
Flow sensor, is arranged between described resin delivery outlet and described resin spray gun；
Described flow sensor and described controller electrical connection, by described in the described resin equipped at outlet port detecting
The real-time flow data of resin feeds back to described controller；
Described controller is preset with a normal stream value, and described controller is constantly by described real-time flow data and described standard
Flow value is compared, and constantly adjusts the air mass flow of described air movement device output according to the deviation comparing gained,
And then adjust the resin flow of the described resin delivery outlet output of described plunger displacement pump.
Above-mentioned resin flow closed-loop control device, wherein, described resin flow closed-loop control device also includes：
Vacuum tank, is arranged between described resin spray gun and described resin delivery outlet；
Described flow sensor is arranged between described vacuum tank and described resin spray gun.
Above-mentioned resin flow closed-loop control device, wherein, described flow sensor includes a digital display, for showing
Show described real-time flow data.
Above-mentioned resin flow closed-loop control device, wherein, described air movement device includes：
Gas pipeline, is connected with described air loop；
Electromagnetic proportional valve, is arranged on described gas pipeline；
Described controller is connected with described electromagnetic proportional valve, controls described air by controlling described electromagnetic proportional valve
The air mass flow of driving means output.
Above-mentioned resin flow closed-loop control device, wherein, described resin flow closed-loop control device also includes：
Memory, is connected with described controller；
In described controller, default described normal stream value is pre-stored in described memory, when described controller runs not
Break and described normal stream value is imported described controller.
Beneficial effect：The resin spray gun that application the utility model carries out spraying Flow-rate adjustment can be real-time in spraying process
Adjust resin flow, and real-time flow data can be fed back to by controller by flow sensor and form closed-loop control system,
Control accurate, stable, improve the automaticity of spraying coating process.
Brief description
Fig. 1 is the structural representation of resin flow closed-loop control device in one embodiment of the utility model；
Fig. 2 is the part-structure schematic diagram of resin flow closed-loop control device in one embodiment of the utility model；
Fig. 3 is the part-structure schematic diagram of resin flow closed-loop control device in one embodiment of the utility model；
Fig. 4 is the part-structure schematic diagram of resin flow closed-loop control device in one embodiment of the utility model；
Fig. 5 is the part-structure schematic diagram of resin flow closed-loop control device in one embodiment of the utility model.
Specific embodiment
With reference to the accompanying drawings and examples the utility model is further described.
In a preferred embodiment, as shown in Figure 1 it is proposed that a kind of resin flow closed-loop control device, Ke Yiying
For controlling the spraying flow of a resin spray gun 100；This resin flow closed-loop control device can include：
Plunger displacement pump 110, can be connected with an air movement device 120；
Controller 130, can be electrically connected with air movement device 120 to control the sky of air movement device 120 output
Throughput；
Resin circuit 112 can include resin and input 1121 mouthfuls and resin delivery outlet 1122；Resin spray gun 100 can be with post
The resin delivery outlet 1122 of plug pump 110 connects；
The air that air movement device 120 exports to air loop 111 can drive plunger displacement pump 110 to operate, thus pump
Dynamic resin inputs from resin input port 1121 and exports from resin delivery outlet 1122；
Flow sensor 140, can be arranged between resin delivery outlet 1122 and resin spray gun 100；
Flow sensor 140 can be electrically connected with controller 130, by the tree at the resin detecting delivery outlet 1122
The real-time flow data of fat feeds back to controller 130；
Controller 130 is preset with a normal stream value, and real-time flow data is constantly carried out by controller 130 with normal stream value
Relatively, and according to the deviation comparing gained constantly adjust the air mass flow of air movement device 120 output.
Wherein, normal stream value can be by instructing the changing value setting or a constant value；
Transmission device can be provided between air loop 111 and resin circuit 112（Do not show in accompanying drawing and mark）So that air drives
The air that dynamic device 120 exports to air loop 111 can drive plunger displacement pump 110 to operate, thus the dynamic resin of pump is defeated from resin
Entrance 1121 inputs and exports from resin delivery outlet 1122；Plunger displacement pump 110 can be provided with an air loop 111 and a resin returns
Road 112；Plunger displacement pump 110 can be provided with an air loop 111 and a resin circuit 112；Air movement device 120 can be with sky
Air circuit 111 connects, and delivery air to air loop 111 is thus the resin in the dynamic resin circuit 112 of pump is from resin delivery outlet
1122 outputs；Real-time flow data can be constantly compared by controller 120 with normal stream value, can be by real-time flow data
Make the difference with normal stream value, then the air mass flow controlling air movement device 120 output is adjusted according to calculated difference；
Can be specifically to be adjusted according to the difference of real-time flow data and normal stream value, such as when difference is for negative, represent real
When flow value be less than normal stream value, now need improve air movement device 120 power, and then increase plunger displacement pump 110 defeated
The resin stream value going out；The increase and decrease of positive and negative decision air movement device 120 power of difference can be passed through, difference can be passed through
Size determines the size of air driving device 120 power increase and decrease, but this is a kind of preferred situation, is not construed as to this practicality
New restriction.
In a preferred embodiment, as shown in Fig. 2 this resin flow closed-loop control device can also include：
Vacuum tank 250, can be arranged between resin spray gun 200 and the resin delivery outlet 2122 of plunger displacement pump 210；
Flow sensor 240 can be arranged between vacuum tank 250 and resin spray gun 200 naturally it is also possible to be to examine
Survey the other positions of resin flow, at such as resin delivery outlet 2122.
In a preferred embodiment, as shown in figure 3, transmitter 360 can include a digital display 361, it is used for
Display real-time flow data.
In a preferred embodiment, as shown in figure 4, air movement device can include：
Gas pipeline 421, can be connected with the air loop 411 of plunger displacement pump 410；
Electromagnetic proportional valve 422, can be arranged on gas pipeline 421；
Controller 430 can be connected with electromagnetic proportional valve 422, controls described sky by controlling electromagnetic proportional valve 422
Air driving device 420 output air mass flow but this is a kind of preferred situation, electromagnetic proportional valve 422 can also independently be set
It is placed in outside air movement device 420, that is, not included in air movement device 420, now controller 430 can be directly and electric
Magnetic proportioning valve 422 connect without be connected with air movement device 420 with by control air movement device 420 control output
Air mass flow；
Electromagnetic proportional valve 422 controls air movement device 420 to export to the air stream of gas pipeline 421 according to control signal
Amount；
Deviation can constantly affect control signal and generate closed loop command signal.
Specifically, what deviation affected is the controlled quentity controlled variable in control signal.
In a preferred embodiment, as shown in figure 5, this resin flow closed-loop control device can also include：
Memory 570, is connected with controller 530；
In controller 570, default normal stream value is pre-stored in memory 530, and controller 570 constantly will be marked when running
Quasi- flow value imports controller 570；
Wherein, the normal stream value prestoring can be set according to optimal flow value in actual production, to reach
Good spraying effect；Can also be the flow value being continually changing according to programme-control, to meet different time and/or spraying position
Different spraying traffic requirements
In sum, the utility model proposes a kind of resin flow closed-loop control device, can apply to control a tree
The spraying flow of fat spray gun, can include plunger displacement pump, controller and flow sensor, plunger displacement pump and an air movement device are even
Connect, controller and air movement device electrical connection are to control air mass flow, resin spray gun and the post of air movement device output
The resin delivery outlet of plug pump connects, and air movement device drives plunger displacement pump running, thus pump moves resin and exports from resin delivery outlet,
Flow sensor is electrically connected with controller, and the real-time flow data of the resin of the resin detecting equipped at outlet port is fed back to control
Device processed, controller is preset with a normal stream value, and real-time flow data is constantly compared by controller with normal stream value, and root
Constantly adjust the air mass flow of air movement device output according to the deviation comparing gained, and then realize more accurate, stable
Spraying flow controls, and improves the automaticity of spraying coating process.
By explanation and accompanying drawing, give the exemplary embodiments of the ad hoc structure of specific embodiment, new based on this practicality
Type spirit, also can make other conversions.Although above-mentioned utility model proposes existing preferred embodiment, however, these contents
It is not intended as limiting to.
For a person skilled in the art, after reading described above, various changes and modifications undoubtedly will be evident that.
Therefore, appending claims should regard the whole variations and modifications covering true intention of the present utility model and scope as.
Any and all scope of equal value and content in Claims scope, are all considered as still belonging to intention of the present utility model and model
In enclosing.
Claims (5)
1. a kind of resin flow closed-loop control device, is applied to control the spraying flow of a resin spray gun；It is characterized in that, described
Resin flow closed-loop control device includes：
Plunger displacement pump, is connected with an air movement device；
Controller, with the electrical connection of described air movement device to control the air mass flow of described air movement device output；
Described resin spray gun is connected with the resin delivery outlet of described plunger displacement pump；
Described air movement device drives described plunger displacement pump running, thus pump moves resin and exports from described resin delivery outlet；
Flow sensor, is arranged between described resin delivery outlet and described resin spray gun；
Described flow sensor and described controller electrical connection, by the described resin of the described resin equipped at outlet port detecting
Real-time flow data feed back to described controller；
Described controller is preset with a normal stream value, and described controller is constantly by described real-time flow data and described normal flow
Value is compared, and constantly adjusts the air mass flow of described air movement device output according to the deviation comparing gained, and then
Adjust the resin flow of the described resin delivery outlet output of described plunger displacement pump.
2. resin flow closed-loop control device according to claim 1 is it is characterised in that described resin flow closed-loop control
Device also includes：
Vacuum tank, is arranged between described resin spray gun and described resin delivery outlet；
Described flow sensor is arranged between described vacuum tank and described resin spray gun.
3. resin flow closed-loop control device according to claim 1 is it is characterised in that described flow sensor includes one
Digital display, for showing described real-time flow data.
4. resin flow closed-loop control device according to claim 1 is it is characterised in that described air movement device bag
Include：
Gas pipeline, is connected with described air loop；
Electromagnetic proportional valve, is arranged on described gas pipeline；
Described controller is connected with described electromagnetic proportional valve, controls described air to drive by controlling described electromagnetic proportional valve
The air mass flow of device output.
5. resin flow closed-loop control device according to claim 1 is it is characterised in that described resin flow closed-loop control
Device also includes：
Memory, is connected with described controller；
In described controller, default described normal stream value is pre-stored in described memory, constantly will when described controller runs
Described normal stream value imports described controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620747178.7U CN205966236U (en) | 2016-07-15 | 2016-07-15 | Resin flow closed -loop control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620747178.7U CN205966236U (en) | 2016-07-15 | 2016-07-15 | Resin flow closed -loop control device |
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| Publication Number | Publication Date |
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| CN205966236U true CN205966236U (en) | 2017-02-22 |
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| CN201620747178.7U Active CN205966236U (en) | 2016-07-15 | 2016-07-15 | Resin flow closed -loop control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944865A (en) * | 2016-07-15 | 2016-09-21 | 上海发那科机器人有限公司 | Closed-loop control device for flow of resin |
-
2016
- 2016-07-15 CN CN201620747178.7U patent/CN205966236U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944865A (en) * | 2016-07-15 | 2016-09-21 | 上海发那科机器人有限公司 | Closed-loop control device for flow of resin |
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