CN104759374B - spraying device and spraying method thereof - Google Patents
spraying device and spraying method thereof Download PDFInfo
- Publication number
- CN104759374B CN104759374B CN201410005194.4A CN201410005194A CN104759374B CN 104759374 B CN104759374 B CN 104759374B CN 201410005194 A CN201410005194 A CN 201410005194A CN 104759374 B CN104759374 B CN 104759374B
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- Prior art keywords
- flusher
- cantilever
- workpiece
- gas
- guide rail
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0431—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with spray heads moved by robots or articulated arms, e.g. for applying liquid or other fluent material to 3D-surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Spray Control Apparatus (AREA)
Abstract
The invention discloses a spraying device. The spraying device comprises a support platform for placing a workpiece, a working platform opposite to the support platform, and a cantilever suspended on the working platform. A guide rail is arranged on the working platform; one end of the cantilever is in sliding connection with the guide rail; and multiple nozzles are arranged on the cantilever opposite to the workpiece. In the use process of the spraying device, the cantilever can slide along the guide rail with the preset speed through the program control, and the supplementary liquid spraying is performed for an insufficient liquid spraying area of the workpiece through the nozzles. The spraying device can efficiently and uniformly supplement the liquid for the workpiece, effectively improves the use effect of a traditional spraying device, and particularly improves the automation degree. Compared with a robot liquid spraying method, the device further can save the investment cost. In addition, the spraying device also has such functions as ink jet and air jet besides the function of water spraying, so that the purpose is wider.
Description
Technical field
The present invention relates to a kind of flusher, the gypsum mold that more particularly to polycrystalline silicon ingot casting production field is used
Flusher and the spray method of this flusher.
Background technology
In photovoltaic industry, silica crucible is the indispensable consumptive material of polycrystalline silicon ingot casting molding.Traditional large-sized rock quartz crucible produces
Yield is determined by the surface moisture of gypsum mold to a great extent.Gypsum mold ingot casting shaping for a period of time after, its each table
Face occurs very big difference with the water content of seamed edge, in order to the surface moisture of gypsum mold is controlled in certain scope,
Need gypsum mold is carried out with correspondingly fluid infusion process.Traditional liquid replenishing method mainly has: artificial fluid infusion and Control During Paint Spraying by Robot are mended
Liquid etc..
Traditional artificial liquid replenishing method, labor intensity is big, efficiency is low, effect is poor, and it is equal to be extremely difficult to gypsum mold
The purpose of even fluid infusion；Control During Paint Spraying by Robot liquid replenishing method, expensive, for 1000 × 1000 × 500mm3Gypsum Fibrosum etc. large volume
Mould, the work efficiency of this liquid replenishing method is too low, adds that maintenance cost is high, there is presently no to be obtained widely to promote and answers
With.
Content of the invention
Based on this it is necessary to be directed to the problems referred to above, provide and a kind of efficiently uniform fluid infusion can be carried out to gypsum mold
Flusher and its spray method.
A kind of flusher, including the work platformses relative with described support platform for placing the support platform of workpiece
And it is suspended at the cantilever on described work platformses；Described work platformses are provided with guide rail, one end of described cantilever and described guide rail
It is slidably connected, described cantilever is provided with some nozzles on the position towards described workpiece.
Wherein in an embodiment, described guide rail is rectangular guideway.
Wherein in an embodiment, described cantilever includes main part and is vertically set on the level on described main part
Portion, described main part and horizontal part are evenly arranged with the position towards described workpiece described nozzle.
Wherein in an embodiment, the angle of described nozzle can be adjusted.
Wherein in an embodiment, described guide rail is provided with Timing Belt, and one end of described cantilever is provided with and described synchronization
The synchronous pulley that band matches.
Wherein in an embodiment, also include the servo electricity that can control the movement on described work platformses of described cantilever
Machine and programmable logic controller (PLC), described servomotor is electrically connected with described programmable logic controller (PLC).
Wherein in an embodiment, also include the gas-liquid pipeline connecting with described nozzle, described gas-liquid pipeline is provided with
For controlling the dosing pump of fluid flow.
Wherein in an embodiment, it is additionally provided with electromagnetic valve between described nozzle and described gas-liquid pipeline, described electromagnetic valve
It is electrically connected with described programmable logic controller (PLC).
Wherein in an embodiment, described dosing pump is plunger membrance dosing pump.
Wherein in an embodiment, it is sequentially provided with for monitoring fluid flow between described dosing pump and described nozzle
Flow meter and the flow control valve for liquid with precise control flow.
Wherein in an embodiment, between described dosing pump and described flow meter, it is additionally provided with filter.
Wherein in an embodiment, also include the moisture determination instrument for measuring described surface of the work water content.
A kind of spray method of flusher, described flusher include for the support platform placing workpiece with described
The relative work platformses of support platform, the cantilever being suspended on described work platformses, the described cantilever of control are in described work platformses
The servomotor of upper movement, for measure described surface of the work water content moisture determination instrument, for QI invigorating or fluid infusion gas
Liquid pipeline and the programmable logic controller (PLC) being electrically connected with described servomotor；Described work platformses are provided with guide rail, described
One end of cantilever is connected with described slide, and described cantilever is provided with some nozzles on the position towards described workpiece, described
Gas-liquid pipeline is connected with described nozzle, and described gas-liquid pipeline is provided with the dosing pump for controlling fluid flow；
The spray method of described flusher comprises the steps:
Workpiece to be sprayed is positioned in support platform, and each visible surface carries out coordinate subregion to workpiece；
Obtain the moisture content on the surface of workpiece each coordinate subregion by moisture determination instrument；
Set dosing pump and flow into gas or liquid flow value in gas-liquid pipeline；
The measurement of water-content coefficient value of different coordinate subregions and default gas or liquid flow value are inputted to FPGA
In controller, obtain cantilever speed of service in different coordinates regionals after programmable logic controller (PLC) calculation process；
According to calculation process result, PLC controls servomotor, cantilever is made to move along guide rail；
Start gas-liquid pipeline, by nozzle, surface of the work is carried out with the sprinkling of gas or liquid.
Above-mentioned flusher, is provided with guide rail, one end of cantilever is along guide rail on the work platformses relative with support platform
Slide, some nozzles that workpiece can be carried out with hydrojet or jet are provided with cantilever.During flusher uses, permissible
So that cantilever is slided at a predetermined rate along guide rail by programme-control, and by nozzle, the not enough region of fluid infusion on workpiece is entered
Row supplements hydrojet.So as to efficiently carry out uniform fluid infusion to workpiece, effectively increase traditional flusher uses effect
Really, it has been improved particularly its automaticity.For the Control During Paint Spraying by Robot that compares liquid replenishing method, this device can also save input
Cost.In addition, above-mentioned flusher, in addition to the function with water spray, also has the functions such as ink-jet, jet, purposes is more
Plus extensively.
Brief description
Fig. 1 is the three dimensional structure diagram of flusher；
Fig. 2 is the front view of flusher；
Fig. 3 is the top view of flusher；
Fig. 4 is the left view of flusher；
Fig. 5 is the right view of flusher；
Fig. 6 is the spray method flow chart of flusher.
Wherein, concrete element reference numeral is listed as follows:
Specific embodiment
Please join Fig. 1, present embodiment discloses a kind of flusher 100, this flusher 100 include support platform 110,
Work platformses 120 and be suspended at the cantilever 130 on work platformses 120.
The workpiece 200 processing through jet or hydrojet in need is placed on support platform 110, in present embodiment, above-mentioned
Workpiece 200 is gypsum mold.
Work platformses 120 are oppositely arranged with support platform 110, are provided with guide rail 140 on work platformses 120, and guide rail 140 leads to
Cross the traditional structures such as screw, bolt to be detachably mounted on work platformses 120.This guide rail 140 can with work platformses 120
Dismounting attachment structure, can be according to the needs of the practical structures of workpiece 200, from different types of guide rail 140.As selected
The guide rail of enclosed construction (i.e. loop configuration), non-close structure guide rail it is also possible to from have circular trace, rectangular path with
And the guide rail of other polygon track.Due to, in present embodiment, mainly above-mentioned flusher 100 being used for gypsum mold is entered
Row jet or hydrojet are processed.Therefore, the outline structure according to gypsum mold, the guide rail 140 in present embodiment is preferably to be closed
Rectangular configuration.It is slidably connected between one end of cantilever 130 and guide rail 140, some nozzles 131, this reality are provided with cantilever 130
Applying the nozzle 131 used in mode is atomizer.
Please join Fig. 2, support platform 110 and work platformses 120 are horizontally disposed with, and cantilever 130 includes vertical with work platformses 120
Main part 132 and the horizontal part 133 parallel with work platformses 120.Wherein, horizontal part 133 is dismountable is arranged on main part
On the position of arbitrary height on 132, and it is evenly arranged with nozzle 131 on main part 132 and horizontal part 133, so that it is guaranteed that nozzle
It is ejected into the area uniformity of gas on workpiece 200 or liquid in 131.
One end of main part 133 has the connecting portion 134 being slidably connected with guide rail 140.Connecting portion 134 and guide rail 140 it
Between displacement and speed can manually control, manually adjust by connecting portion 134 move to workpiece 200 need jet or
On the region of hydrojet.Additionally, the displacement between connecting portion 134 and guide rail 140 and speed can also pass through programme-control.This enforcement
Programme controlled mode is adopted in mode.
The roller sliding on guide rail can be provided with connecting portion 134 it is also possible to be provided with synchronous pulley 135.
Synchronous pulley 135 is provided with the connecting portion 134 of present embodiment, guide rail 140 is provided with same with what synchronous pulley 135 matched
Step band 141.When synchronous pulley 135 is along the certain angle of axis rotation, synchronous pulley 135 along guide rail 140 movement certain away from
From therefore, by the rotating speed control to synchronous pulley 135, you can to reach displacement and speed between cantilever 130 and guide rail 140
The precise control of degree.
One synchronous pulley 135 can be provided with connecting portion 134, it is possibility to have multiple synchronous pulleys 135.Please join Fig. 3
To Fig. 5, in present embodiment, connecting portion 134 is a rectangle contiguous block, is respectively arranged with four on the angle of contiguous block bottom four
Synchronous pulley 135, the both sides of guide rail 140 are respectively equipped with the matched Timing Belt 141 with synchronous pulley 135.Above-mentioned connecting portion 134
Structure it can be ensured that cantilever 130 even running on guide rail 140.
Horizontal part 133 is located at the top of workpiece 200, and the center of the horizontal-extending end of horizontal part 133 and workpiece 200
Axis approaches.This positional structure of horizontal part 133 contributes to flusher 100 can during jet or hydrojet are processed
Uniformly gas or liquid are sprayed onto in any dead angle area of workpiece 200.
In addition, flusher 100 also includes controlling cantilever 130 the watching of move mode on work platformses 120
Take motor 150, programmable logic controller (PLC) 160 and gas-liquid pipeline 170.Servomotor 150 and programmable logic controller (PLC) 160 electricity
Property connect.Programmable logic controller (PLC) is provided with the user interface for user input parameter and programming.
One end of gas-liquid pipeline 170 is connected with hydraulic power source or pneumatic supply, and the other end is connected with nozzle 131, and it is mainly used in
Convey gas or the liquid of necessary flow to nozzle 131.Gas-liquid pipeline 170 is additionally provided with for opening gas-liquid pipeline 170
Gas-liquid pipeline switch (not shown) and the dosing pump 171 for controlling fluid flow.Gas-liquid pipeline switch can with can compile
Journey logic controller 160 is electrically connected with.It is sequentially provided with the flow for monitoring fluid flow between dosing pump 171 and nozzle 131
Table 173 and the flow control valve 174 for liquid with precise control flow.Additionally, also setting between dosing pump 171 and flow meter 173
Have for the filter 175 filtering residual impurity in liquid such that it is able to the problem of nozzle blockage is avoided from source.Preferably square
In case, above-mentioned dosing pump 171 is plunger membrance dosing pump.
It is additionally provided with electromagnetic valve 172 between each nozzle 131 and gas-liquid pipeline 170 on cantilever 130.Electromagnetic valve 172 with can
Programmed logic controller 160 is electrically connected with, and it is mainly used in controlling the break-make of its corresponding nozzle 131, thus realizing workpiece
Fluid infusion demand in 200 local surfaces.Additionally, the angle of each nozzle 131 can also mode manually or automatically be carried out
Adjust such that it is able to more flexibly carry out supplementing hydrojet to the not enough region of fluid infusion on workpiece 200, improve the uniform of fluid infusion
Property.
Flusher 100 also includes the moisture determination instrument (not shown) for measuring workpiece 200 surface water content.
In use, moisture determination instrument measures water content on each position for the workpiece 200, and will be manual for above-mentioned water content
Or be automatically entered in programmable logic controller (PLC) 160, you can obtained by the operation processing program of programmable logic controller (PLC) 160
To the speed of service on each position for the cantilever 130.
Please join Fig. 6, present embodiment further discloses the spray method of above-mentioned flusher 100, it mainly includes walking as follows
Rapid:
Step s110: workpiece to be sprayed is positioned in support platform, and each visible surface carries out coordinate and divides to workpiece
Area；
Step s120: obtain the moisture content on the surface of workpiece each coordinate subregion by moisture determination instrument；
Step s130: set dosing pump and flow into gas or liquid flow value in gas-liquid pipeline；
Step s140: the measurement of water-content coefficient value of different coordinate subregions and default gas or liquid flow value are inputted to can
In programmed logic controller, obtain cantilever after programmable logic controller (PLC) calculation process and run speed in different coordinates regionals
Degree；
Step s150: according to calculation process result, PLC controls servomotor, make cantilever move along guide rail
Dynamic；
Step s160: start the sprinkling that gas-liquid pipeline carries out gas or liquid to surface of the work.That is, manually open
Liquid pipe of taking offence way switch or by programmable logic controller (PLC) start gas-liquid pipeline switch, thus starting gas-liquid pipeline, and pass through
The nozzle being arranged on cantilever carries out the sprinkling of gas or liquid to surface of the work.
Wherein, for the fluid infusion of workpiece local surfaces, can also be by PLC controls single-nozzle
The mode of the signal break-make of corresponding electromagnetic valve is realized.
For the spray method of above-mentioned flusher 100, one is provided gypsum mold to be carried out purge, at moisturizing and ink-jet
The specific embodiment of reason process is for reference:
First, choose each lateral dimension and be 1000mm × 500mm, the gypsum mold 200 of weight 100kg.By gypsum mold
200 centers being positioned at support platform 100, cantilever 130 are returned to the zero position of servomotor 150.
Start jet program on programmable logic controller (PLC) 160, servomotor 150 drives cantilever 130, along guide rail 140
Uniform motion one week, now, programmable logic controller (PLC) 160 starts gas-liquid pipeline switch, and nozzle 131 sprays compressed air, and
Gypsum mold 200 is purged totally.
Secondly, above-mentioned gypsum mold 200 is divided into four subregions: the long 250mm of each subregion, weight 25kg, and needs after water spray
Mould moisture is brought up to 12.5%.
Using moisture determination instrument measure each subregion of gypsum mold 200 moisture content, respectively 8%, 11%, 12%, 7%.
Adjusting dosing pump 171 makes the numerical value shown by flow meter 173 to be 100ml/s.
Above-mentioned moisture content parameter is inputted after the user interface on programmable logic controller (PLC) 160, Programmable logical controller
Device 160 carries out the difference that automatic calculation process obtains between each subregion moisture content and ideal value (12.5%) and is respectively 4.5%, 1.5%,
0.5%, 5.5%, obtaining each subregion also needs to add the water yield to be 1125ml, 375ml, 125ml, 1375ml.By default gas or liquid
Body flow value 100ml/s inputs to programmable logic controller (PLC) 160, and programmable logic controller (PLC) 160 calculation process obtains respectively
Subregion adds water the time for 11.25s, 3.75s, 1.25s, 13.75s, and then determines the speed of service on each subregion for the cantilever 130.
Program of spraying water is started on programmable logic controller (PLC) 160, programmable logic controller (PLC) 160 controls servomotor 150
Output control pulse, controls cantilever 130 in each subregion respectively with 22.22mm/s, 66.67mm/s, 200mm/s, 18.18mm/s's
Speed is run.
Now, programmable logic controller (PLC) 160 starts gas-liquid pipeline switch, starts moisturizing program, and moisture is accurate
Add on the surface of each subregion of gypsum mold 200.
Finally, start ink-jet program on programmable logic controller (PLC) 160, servomotor 150 drives cantilever 130, along leading
Rail 140 at the uniform velocity surround movement one week again, completes the inkjet process operation of gypsum mold 200.
Embodiment described above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (13)
1. a kind of spray method of flusher, described flusher includes support platform and described for placing workpiece
The relative work platformses of support platform, the cantilever being suspended on described work platformses, the described cantilever of control are on described work platformses
The servomotor of movement, for measure described surface of the work water content moisture determination instrument, for QI invigorating or fluid infusion gas-liquid
Pipeline and the programmable logic controller (PLC) being electrically connected with described servomotor；Described work platformses are provided with guide rail, described outstanding
One end of arm is connected with described slide, and described cantilever is provided with some nozzles, described gas on the position towards described workpiece
Liquid pipeline is connected with described nozzle, and described gas-liquid pipeline is provided with the dosing pump for controlling fluid flow；
It is characterized in that, the spray method of described flusher comprises the steps:
Workpiece to be sprayed is positioned in support platform, and each visible surface carries out coordinate subregion to workpiece；
Obtain the moisture content on the surface of workpiece each coordinate subregion by moisture determination instrument；
Set dosing pump and flow into gas or liquid flow value in gas-liquid pipeline；
The measurement of water-content coefficient value of different coordinate subregions and default gas or liquid flow value are inputted to Programmable logical controller
In device, obtain cantilever speed of service in different coordinates regionals after programmable logic controller (PLC) calculation process；
According to calculation process result, PLC controls servomotor, cantilever is made to move along guide rail；
Start gas-liquid pipeline, by nozzle, surface of the work is carried out with the sprinkling of gas or liquid.
2. a kind of flusher of the spray method using flusher as claimed in claim 1 is it is characterised in that include using
In the support platform work platformses relative with described support platform placing workpiece and be suspended at outstanding on described work platformses
Arm；Described work platformses are provided with guide rail, and one end of described cantilever is connected with described slide, and described cantilever is towards described
The position of workpiece is provided with some nozzles.
3. the flusher of the spray method using flusher as claimed in claim 1 according to claim 2, its
It is characterised by, described guide rail is rectangular guideway.
4. the spray method using flusher as claimed in claim 1 according to any one of claim 2 to 3
Flusher it is characterised in that described cantilever includes main part and is vertically set on horizontal part on described main part, described master
Described nozzle is evenly arranged with the position towards described workpiece on body and horizontal part.
5. the flusher of the spray method using flusher as claimed in claim 1 according to claim 2, its
It is characterised by, the angle of described nozzle can be adjusted.
6. the flusher of the spray method using flusher as claimed in claim 1 according to claim 2, its
It is characterised by, described guide rail is provided with Timing Belt, one end of described cantilever is provided with the synchronous pulley matching with described Timing Belt.
7. the flusher of the spray method using flusher as claimed in claim 1 according to claim 2, its
It is characterised by, also include controlling described the cantilever servomotor of movement and Programmable logical controller on described work platformses
Device, described servomotor is electrically connected with described programmable logic controller (PLC).
8. the flusher of the spray method using flusher as claimed in claim 1 according to claim 7, its
It is characterised by, also include the gas-liquid pipeline connecting with described nozzle, described gas-liquid pipeline is provided with for controlling fluid flow
Dosing pump.
9. the flusher of the spray method using flusher as claimed in claim 1 according to claim 8, its
It is characterised by, between described nozzle and described gas-liquid pipeline, be additionally provided with electromagnetic valve, described electromagnetic valve and described FPGA control
Device processed is electrically connected with.
10. the flusher of the spray method using flusher as claimed in claim 1 according to claim 8,
It is characterized in that, described dosing pump is plunger membrance dosing pump.
The sprinkling dress of 11. spray methods using flusher as claimed in claim 1 according to claim 8 or claim 9
Put it is characterised in that being sequentially provided with the flow meter for monitoring fluid flow between described dosing pump and described nozzle and being used for
The flow control valve of liquid with precise control flow.
The flusher of 12. spray methods using flusher as claimed in claim 1 according to claim 11,
It is characterized in that, it is additionally provided with filter between described dosing pump and described flow meter.
The flusher of 13. spray methods using flusher as claimed in claim 1 according to claim 2,
It is characterized in that, also include the moisture determination instrument for measuring described surface of the work water content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410005194.4A CN104759374B (en) | 2014-01-06 | 2014-01-06 | spraying device and spraying method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410005194.4A CN104759374B (en) | 2014-01-06 | 2014-01-06 | spraying device and spraying method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104759374A CN104759374A (en) | 2015-07-08 |
| CN104759374B true CN104759374B (en) | 2017-02-01 |
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ID=53641655
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410005194.4A Active CN104759374B (en) | 2014-01-06 | 2014-01-06 | spraying device and spraying method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499011A (en) * | 2016-01-15 | 2016-04-20 | 山东拓普液压气动有限公司 | Oil mist spraying device |
| CN116603668B (en) * | 2023-07-18 | 2023-09-22 | 江苏红阳全月机械制造有限公司 | Hardware rotary spraying equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2448465Y (en) * | 2000-11-10 | 2001-09-19 | 石家庄冀铁车辆技术开发中心 | Swing mechanism for water nozzle frame of flushing machine |
| CN2756325Y (en) * | 2004-12-20 | 2006-02-08 | 李爱朝 | Automatic spraying device |
| CN201264028Y (en) * | 2008-08-07 | 2009-07-01 | 丁克芳 | Bearing cleaning machine |
| CN102847626A (en) * | 2011-06-30 | 2013-01-02 | 徐州协鑫太阳能材料有限公司 | Fluid spraying device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7063281B2 (en) * | 2001-07-10 | 2006-06-20 | Schommer John E | Water conserving and cleaning apparatus |
-
2014
- 2014-01-06 CN CN201410005194.4A patent/CN104759374B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2448465Y (en) * | 2000-11-10 | 2001-09-19 | 石家庄冀铁车辆技术开发中心 | Swing mechanism for water nozzle frame of flushing machine |
| CN2756325Y (en) * | 2004-12-20 | 2006-02-08 | 李爱朝 | Automatic spraying device |
| CN201264028Y (en) * | 2008-08-07 | 2009-07-01 | 丁克芳 | Bearing cleaning machine |
| CN102847626A (en) * | 2011-06-30 | 2013-01-02 | 徐州协鑫太阳能材料有限公司 | Fluid spraying device |
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| Publication number | Publication date |
|---|---|
| CN104759374A (en) | 2015-07-08 |
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