CN101409994A - Procedure for spray painting and material-displacing superconductive soaking plate, and executive device thereof - Google Patents
Procedure for spray painting and material-displacing superconductive soaking plate, and executive device thereof Download PDFInfo
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- CN101409994A CN101409994A CNA2007101520836A CN200710152083A CN101409994A CN 101409994 A CN101409994 A CN 101409994A CN A2007101520836 A CNA2007101520836 A CN A2007101520836A CN 200710152083 A CN200710152083 A CN 200710152083A CN 101409994 A CN101409994 A CN 101409994A
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Abstract
The invention relates to a spraying and material preparation process used for a superconducting soaking plate, and an execution device thereof. The spraying and material preparation process used for the superconducting soaking plate comprises the steps as follows: a plurality of workpieces with chambers are provided; feeding is carried out at a given rate by a feeding device; the workpiece is internally wet-sprayed or roughened in advance; furthermore, metal powder is sprayed quantitatively by the spraying device in a fixed range so as to lead the bottom surface inside the workpiece to attach to a metal powder layer; subsequently, a plurality of metal powder ingot prepared by a powder forming machine is transferred by one-step by a material preparation clamp so as to form a metal powder ingot array on a plurality of fixed points above the metal powder layer of the workpiece. Meanwhile, the invention also provides a device which carries out the preparation process so as to realize the mass production of the semi-finished soaking plate.
Description
Technical field
The present invention relates to the FEOL of soaking plate, refer to especially a kind ofly finish the processing procedure of aggregate location by the once-through operation step with anchor clamps, and the device of realizing the mass production of soaking plate semi-finished product.
Background technology
Soaking plate utilizes the evaporation of working media and condensation to transmit heat, can transmit a large amount of heat energy under the big temperature difference, short-range situation.With respect to heat pipe transferring heat energy under the situation of the little temperature difference, long distance, soaking plate then is the heat conduction that the heat conduction of point is further become face, has more high efficiency thermal conduction characteristic, and may be widely applied in the heat conduction field future.
The known document that has proposed many relevant soaking plate processing procedures, for example shown in Fig. 6 a and Fig. 6 b, their renditions are from No. 1247048 patent of invention of TaiWan, China, and it discloses a kind of " the even coating process of micro-granulated metal film ", and its key step comprises:
Step 1: the metal dust with scheduled volume mixes with predetermined amount of liquid;
Step 2: evenly stir this metal powder mixed liquor;
Step 3: the service area that this metal powder mixed liquor is fills up to workpiece;
Step 4: the service area of slightly shaking this workpiece;
Step 5: the liquid that evaporates this metal powder mixed liquor;
Step 6: make metal dust be deposited on the inner bottom surface of this workpiece, form the metal powder deposited film of deposit thickness less than 0.1mm;
Step 7: this metal powder deposited film and this workpiece service area are carried out sintering simultaneously.
In addition, for example No. 200609478 patent of invention of TaiWan, China is open, it discloses a kind of " the intermediate manufacture method of miniature soaking plate ", it mainly utilizes punch process and etching and processing mode, finish the external form intermediate of miniature soaking plate and the procedure of processing of fine structure body etc. respectively, and then finish the intermediate that to fit into miniature soaking plate mutually, be difficult for utilizing the punch process mode to make moulding with the fine structure body that solves the miniature soaking plate intermediate, and etching and processing is applied in the too high problem of intermediate external form processing cost.
Why be not widely used at present, be because present stage technology often in the processes such as location because of the coating process of capillary structure and aggregate, expend great amount of manpower, and it is inaccurate artificially to locate aggregate location, makes the stability of product and reliability increase uncertain factor.In addition, present stage technology be difficult for replacing manpower with consistent automatic mass equipment, failing effectively to save manufacturing cost also becomes one of another bottleneck.
Summary of the invention
Main purpose of the present invention is to provide a kind of spraying of superconduction soaking plate and puts the material processing procedure, the shortcoming that the artificial aggregate of conventional process location is inaccurate to improve, labor intensive and volume production are difficult for.
Reach other purpose in order to achieve the above object, according to spraying of the present invention and put the material processing procedure, it comprises the following steps: at least
Step 1: some workpiece with chamber are provided, by feed arrangement with the set rate feeding;
Step 2: on the fixed point of this workpiece feed distance,, with decide scope spray metal powder inner quantitatively at this workpiece by spray equipment makes this workpiece inner bottom surface adhere to a metal powder layer;
Step 3: on another fixed point of this workpiece feed distance, will once deliver from the made a plurality of metal powder ingots of powder former, and on a plurality of fixed points above this workpiece metal powder bed, form metal powder ingot array by putting material clamp.
According to the present invention, by automatic spraying and put the material processing procedure, make superconduction soaking plate semi-finished product volume production easy, and uncertain factor artificial in the processing procedure and the key factor that influences yields are reduced to minimum level, can save manpower in a large number and reduce manufacturing cost simultaneously.
Secondary objective of the present invention is to provide a kind of device of carrying out this processing procedure, to realize the mass production of superconduction soaking plate.It mainly comprises:
Feed arrangement is used for some workpiece with chamber with the set rate feeding, makes it by the spraying station with put the material station.
Spray equipment is arranged in this spraying station, is used in this workpiece inside quantitatively, decides spray metal, scope ground powder, makes this workpiece inner bottom surface adhere to a metal powder layer.
Put material clamp, it is connected the terminal of powder former and is arranged on this and puts in the material station, these anchor clamps have a plurality of delivery ports, are used for a plurality of metal powder ingots that this powder former is made and once deliver, and form metal powder ingot array on a plurality of fixed points above this workpiece metal powder bed.
According to the present invention, replace manpower with automatic mass equipment, utilizing anchor clamps once-through operation step can finish aggregate accurately locatees, can continuously produce the soaking plate semi-finished product, so that after follow-up sintering, in workpiece, form the capillary structure structure, uncertain factor artificial in the processing procedure and the key factor that influences yields can be reduced to minimum level, can save manpower in a large number and reduce manufacturing cost simultaneously.
Description of drawings
Fig. 1 is the spraying of superconduction soaking plate of the present invention and the process block diagram of putting first kind of embodiment of material processing procedure.
The schematic representation of apparatus of Fig. 2 for showing that the present invention carries out the spraying of superconduction soaking plate and puts the material processing procedure.
Fig. 2 a is for showing the view of seeing from the 2a-2a direction of Fig. 2; It shows the partial top view of work piece configuration at feed arrangement.
Fig. 3 is for showing the cutaway view of seeing from the 3-3 direction of Fig. 2; It shows the side schematic view of spray equipment.
Fig. 3 a is the schematic diagram of displayed map 3 spray equipment spraying process.
Fig. 3 b is for spraying the partial sectional view of the workpiece of finishing; Wherein, be presented at the workpiece inner bottom surface and adhere to a metal powder layer.
Fig. 4 is for showing the cutaway view of seeing from the 4-4 direction of Fig. 2; It shows that powder former links the enlarged diagram of putting material clamp.
Fig. 4 a is that displayed map 4 is put the schematic diagram that material clamp is put the material process.
Fig. 4 b is for showing the cutaway view of seeing from the 4b-4b direction of Fig. 4 a; The schematic top plan view of material clamp is put in its demonstration.
Fig. 5 is the spraying of superconduction soaking plate of the present invention and the process block diagram of putting second kind of embodiment of material processing procedure.
Fig. 5 a is the action schematic diagram of the high speed sand blasting unit of second kind of embodiment of demonstration the present invention.
Fig. 6 a and Fig. 6 b are prior art, and rendition is from No. 1247048 patent of invention of TaiWan, China; Wherein, Fig. 6 a is for showing the calcspar of its coating process, and Fig. 6 b is for showing the cutaway view of its workpiece.
Embodiment
At first explanation in the general processing procedure of soaking plate, is included in steps such as coating metal bisque, planting metal powder ingot (this area is commonly referred to " aggregate "), sintering, soldering and sealing, vacuum fluid injection in the model.Technology of the present invention is promptly at FEOL, i.e. coating metal bisque and planting metal powder ingot in workpiece, provide automatic mass processing procedure and equipment to replace manpower, so that after follow-up sintering, in workpiece, form a capillary structure structure, uncertain factor artificial in the processing procedure and the key factor that influences yields can be reduced to minimum level.
Below will cooperate embodiment that technical characterstic of the present invention is further described, this embodiment is the example of preferable representative only, is not to be used for limiting practical range of the present invention, and is careful by obtaining best understanding in conjunction with following detailed description with reference to the accompanying drawings.
Fig. 1 is the spraying of the superconduction soaking plate according to the present invention and the first kind of embodiment that puts the material processing procedure, and it comprises the following steps: at least
Some workpiece with chamber are provided, for example with conductive metal material copper coin or nickel plate etc. earlier through processing, punching out goes out an inner space that can allow the working media gas-liquid phase transitionization respectively, then by feed arrangement with predetermined speed feeding.
On the fixed point of this workpiece feed distance,, with deciding scope dried spray for example metal dust of copper or nickel etc. inner quantitatively at this workpiece by spray equipment makes this workpiece inner bottom surface adhere to a metal powder layer.
On another fixed point of this workpiece feed distance, will once deliver from the made a plurality of metal powder ingots of powder former by putting material clamp, on a plurality of fixed points above this workpiece metal powder bed, form metal powder ingot array etc.
According to the present invention, also comprise the step of prewetting in the above-mentioned processing procedure, promptly before dried metal spraying belongs to powder, squirt at workpiece inner space preset range surface water or alcohol in advance, so that the inner preset range of this workpiece surface has adhesive force, and then dried metal spraying belongs to powder.Perhaps, before dried metal spraying belongs to powder, promptly after workpiece punching out machine-shaping, impact with the high speed sand blasting unit in advance on the inner preset range of workpiece surface or utilize the abrasive band friction to form matsurface, so that the inner preset range of this workpiece surface has preferable adhesive force, directly belong to powder then at the dried metal spraying of rough surface.
According to the present invention, the device 1 of carrying out the spraying of above-mentioned superconduction soaking plate and putting the material processing procedure as shown in Figure 2, it comprises at least:
Feed arrangement 10, known conveyer belt etc. for example is used for some workpiece 20 with chamber with the set rate feeding, makes it by the spraying station with put the material station.Wherein, this feed arrangement 10 forms a plurality of passive lifting districts 11 of can be controlled and rising, and is respectively equipped with some position blocks 12 on a plurality of presumptive areas, this workpiece 20 can be positioned in this passive lifting district 11 (shown in Fig. 2 a).
Put material clamp 40, be connected the terminal of powder former 50 and be arranged on this and put in the material station.This puts material clamp 40, for example constitute by the clear acrylic material, it has top board 41 and base plate 42, link together by a plurality of bolt assemblies 43 between both corners, and between this top board 41 and base plate 43, keep a space that allows this feed arrangement 10 to pass through, and this top board 41 holds the potential energy that the plurality of elastic assembly 44 that is located on the bolt assembly 43 is arranged, and has buffering elasticity.As shown in Figure 4, the for example known rotating disc type powder former of this powder former 50, consist essentially of rotating disk 51, circumference along this rotating disk 51 disposes a plurality of briquetting modules 52, and hello barrel 53, for example supply continuously metal dust such as copper or nickel constantly suppresses metal powder ingot B from briquetting module 52, and is disposed to discharge end 54 to briquetting module 52 when these rotating disk 51 runnings.Feeding-distribution device 60 is engaged on the discharge end 54 of this powder former 50, and it has a plurality of sub-material mouths 61 in order to distribute this metal powder ingot B.According to the present invention, this top board 41 of putting material clamp 40 is accurate corresponding to a plurality of fixed points position of workpiece 20, forms the delivery port 45 of a plurality of correspondences, and is undertaken on the end of a plurality of sub-material mouths 61 of this feeding-distribution device 60 by a plurality of flexible pipes 46 respectively.In addition, comprise releasing device 80, between this sub-material mouth 61 and delivery port 45, barrier metal powder ingot B landing.Above-mentioned putting on the material station is provided with a backstay 47 etc. for example at least, and this workpiece 20 entered put material level by circuit control and temporarily stop this feed arrangement 10 feedings on time; Whether in addition, this is put and is provided with a sensor device 48 etc. for example on the material station at least, can detect this workpiece 20 and arrive and put material level standard (shown in Fig. 4 b).In addition, elevating mechanism 70 is positioned at this below of putting material clamp 40, and this is put material clamp 40 base plates and allows this elevating mechanism 70 to pass, and can arrive at this workpiece 20 by sensor device 48 control to put material level and rise on time, passive lifting district 11 actions of this feed arrangement 10 are risen together with this workpiece 20, press close to below this puts the delivery port 45 of material clamp 40 top boards 41; At this moment, this releasing device 80 is controlled once to discharge a plurality of metal powder ingot B when workpiece 20 rises, once be delivered to fixed point by these a plurality of delivery ports 45 of putting material clamp 40 top boards 41, make on a plurality of fixed points of this workpiece 20 metal powder layer A top and form metal powder ingot B array (shown in Fig. 4 a), this elevating mechanism 70 can be put at workpiece 20 and descend after material is finished, and recovers the feeding of feed arrangement 10.
In addition, Fig. 5 is the spraying of the superconduction soaking plate according to the present invention and the second kind of embodiment that puts the material processing procedure, and it comprises the following steps: at least
Some workpiece with chamber are provided, and for example first through processing with conductive metal material copper coin or nickel plate etc., punching out goes out an inner space that can allow the working media gas-liquid phase transitionization respectively; Then, by feed arrangement known conveyer belt etc. for example, with predetermined speed feeding.
On the fixed point of this workpiece feed distance, use the high speed sand blasting unit, the inner preset range surface impacts of this workpiece is become to be covered with the rough surface of pore.
On another fixed point of this workpiece feed distance, will once deliver from the made a plurality of metal powder ingots of powder former by putting material clamp, on a plurality of fixed points above this workpiece matsurface, form metal powder ingot array.
According to the present invention, the device of carrying out second kind of embodiment processing procedure is identical with the device shown in above-mentioned Fig. 2～Fig. 4 b basically, does not therefore simply repeat to give unnecessary details.Unique different be for example shown in Fig. 5 a, in the spraying station, to replace spray equipment 30 with high speed sand blasting unit 30 '.
This high speed sand blasting unit 30 ', for example being fixed on the elevating mechanism 35 can be controlled and lifting, and it has shower nozzle 31, impacts workpiece 20 surfaces but high velocity jet goes out sand grains.Slam fixture 32 ' is engaged togather with this shower nozzle 31, it has the shield member 321 corresponding to this shower nozzle 31 spray angles, be used for covering outside these workpiece 20 impact range, and this shield member 321 surfaces link together with the recovery tube 38 that can produce negative pressure, be used to reclaim sand grains and chip.At least be provided with a backstay 36 etc. for example on this spraying station, and this workpiece 20 entered impact the position punctual by circuit control, temporarily stop this feed arrangement 10 feedings; And, at least be provided with a sensor device 37 for example on this spraying station, can detect this workpiece 20 and whether arrive impact position standard, when arriving this elevating mechanism 35 of the punctual control in impact position, this workpiece 20 makes the 30 ' action of high speed sand blasting unit, this shield member 321 is covered on these workpiece 20 surfaces, impact at these workpiece 20 inner surface sand-blastings simultaneously, make in this workpiece 20 inner bottom surface and form matsurface C, start this recovery tube 38 then and reclaim removing sand grains and chip etc. with capillary structure.Can remove the feeding that recover feed arrangement 10 after finishing at this workpiece 20, to stand in formation metal powder ingot array on a plurality of fixed points of this workpiece 20 matsurface C top by the above-mentioned material of putting.
So, replace manpower with automatic mass processing procedure and equipment, can continuously produce the soaking plate semi-finished product, so that after follow-up sintering, in workpiece, form the capillary structure structure, uncertain factor artificial in the processing procedure and the key factor that influences yields can be reduced to minimum level, can save manpower in a large number and reduce manufacturing cost simultaneously.
Below only represent the preferred embodiment of explanation, do not limit to the scope of the present invention, promptly do not depart from equivalent variations and modification that claim of the present invention is done, should still belong to covering scope of the present invention for the present invention.
Claims (21)
1. the spraying of a superconduction soaking plate and put the material processing procedure is characterized in that comprising the following steps: at least
Some workpiece with chamber are provided, by feed arrangement with the set rate feeding;
On the fixed point of this workpiece feed distance,, with decide scope spray metal powder inner quantitatively at this workpiece with spray equipment makes this workpiece inner bottom surface adhere to a metal powder layer;
On another fixed point of this workpiece feed distance, will once deliver from the made a plurality of metal powder ingots of powder former by putting material clamp, on a plurality of fixed points above this workpiece metal powder bed, form metal powder ingot array.
2. spraying as claimed in claim 1 and put the material processing procedure wherein also comprises the step of prewetting, and squirts on the inner preset range of workpiece surface earlier before the powder of spray metal.
3. spraying as claimed in claim 2 and put the material processing procedure, wherein water or alcohol squirt in advance on the inner preset range of this workpiece surface.
4. spraying as claimed in claim 3 and put the material processing procedure, wherein this spray equipment is sprayed on the inner preset range of the workpiece surface metal dust is dried.
5. spraying as claimed in claim 1 and put the material processing procedure wherein also comprises the roughening treatment step, before the powder of spray metal earlier at the inner preset range surface roughening of workpiece.
6. spraying as claimed in claim 5 and put the material processing procedure, wherein this roughening treatment step is impacted or is utilized the abrasive band friction to form matsurface at surface of the work with the high speed sand blasting unit.
7. the spraying of a superconduction soaking plate and put the material processing procedure is characterized in that comprising the following steps: at least
Some workpiece with chamber are provided, by feed arrangement with the set rate feeding;
On the fixed point of this workpiece feed distance, use the high speed sand blasting unit, the inner preset range surface impacts of this workpiece is become to be covered with the rough surface of pore;
On another fixed point of this workpiece feed distance, will once deliver from the made a plurality of metal powder ingots of powder former by putting material clamp, on a plurality of fixed points above this workpiece matsurface, form metal powder ingot array.
8. carry out the spraying of superconduction soaking plate and put the device of expecting processing procedure for one kind, it is characterized in that comprising:
Feed arrangement is used for some workpiece with chamber with the set rate feeding, makes it by the spraying station with put the material station;
Spray equipment is arranged in this spraying station, in order to, with decide scope spray metal powder inner quantitatively at this workpiece, to adhere to a metal powder layer in this workpiece inner bottom surface;
Put material clamp, it is connected the terminal of powder former and is arranged on this and puts in the material station, these anchor clamps have a plurality of delivery ports, once deliver in order to a plurality of metal powder ingots that this powder former is made, form metal powder ingot array on a plurality of fixed points above this workpiece metal powder bed.
9. execution superconduction soaking plate as claimed in claim 8 sprays and puts the device of material processing procedure, wherein form in a plurality of presumptive areas can be controlled and the passive lifting district of lifting for this feed arrangement, and be respectively equipped with some position blocks, be used for workpiece is positioned at this passive lifting district.
10. execution superconduction soaking plate as claimed in claim 9 sprays and puts the device of material processing procedure, and wherein this spray equipment is fixed on the elevating mechanism, controlled liftable; And this spray equipment has shower nozzle, selectively does spray or wet shot.
11. execution superconduction soaking plate as claimed in claim 10 sprays and put the device of material processing procedure, wherein also comprises fixtures for painting, itself and this shower nozzle is engaged togather, and has shield member, is used for covering outside this Workpiece painting scope.
12. execution superconduction soaking plate as claimed in claim 11 sprays and put the device of material processing procedure, wherein is provided with backstay at least on this spraying station, it is accurate to be used to make this workpiece to fall into the spraying position.
13. execution superconduction soaking plate as claimed in claim 12 sprays and puts the device of material processing procedure, wherein is provided with sensor device at least on this spraying station, is used to detect this workpiece and whether arrives spraying position standard, is used for controlling this elevating mechanism lifting.
14. execution superconduction soaking plate as claimed in claim 13 sprays and put the device of material processing procedure, wherein this spray equipment squirts on workpiece preset range surface earlier, and dried again metal spraying belongs to powder.
15. execution superconduction soaking plate as claimed in claim 9 sprays and put the device of material processing procedure, wherein also comprises feeding-distribution device, is engaged on the discharge end of this powder former, it has a plurality of sub-material mouths and is used for distributing the made metal powder ingot of this powder former.
16. execution superconduction soaking plate as claimed in claim 15 sprays and puts the device of material processing procedure, wherein this is put material clamp and comprises top board and base plate, link together by a plurality of bolts between both corners, and between this top board and base plate, keep a space that allows this feed arrangement to pass through.
17. execution superconduction soaking plate as claimed in claim 16 sprays and puts the device of material processing procedure, wherein this top board is accurate corresponding to a plurality of fixed points position of workpiece, form the delivery port of a plurality of correspondences, and be undertaken on the end of a plurality of sub-material mouths of this feeding-distribution device by a plurality of flexible pipes respectively.
18. execution superconduction soaking plate as claimed in claim 17 sprays and put the device of material processing procedure, wherein this is put on the material station and is provided with backstay at least, is used to make this workpiece to fall into and puts the material level standard.
Whether 19. execution superconduction soaking plate as claimed in claim 18 spraying and put the device of material processing procedure, wherein this is put on the material station and is provided with sensor device at least, be used to detect this workpiece and arrive and put the material level standard.
20. execution superconduction soaking plate as claimed in claim 19 sprays and puts the device of material processing procedure, wherein also comprise elevating mechanism, be positioned at the below that this puts material clamp, and this is put the material clamp base plate and allows this elevating mechanism to pass through, controlledly put material level and rise on time, workpiece action is pressed close to below the delivery port of this top board to arrive at this workpiece.
21. execution superconduction soaking plate as claimed in claim 20 sprays and put the device of material processing procedure, wherein also comprises releasing device, and is between this sub-material mouth and delivery port, controlled to discharge the metal powder ingot when this workpiece rises.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101520836A CN101409994A (en) | 2007-10-09 | 2007-10-09 | Procedure for spray painting and material-displacing superconductive soaking plate, and executive device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101520836A CN101409994A (en) | 2007-10-09 | 2007-10-09 | Procedure for spray painting and material-displacing superconductive soaking plate, and executive device thereof |
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| CN101409994A true CN101409994A (en) | 2009-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007101520836A Pending CN101409994A (en) | 2007-10-09 | 2007-10-09 | Procedure for spray painting and material-displacing superconductive soaking plate, and executive device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102517534A (en) * | 2011-11-15 | 2012-06-27 | 安徽铜峰电子股份有限公司 | Longitudinal spraying range-controllable capacitor gold spraying device |
| CN104841602A (en) * | 2015-06-03 | 2015-08-19 | 北京利玛环太科技有限公司 | Isolation structure on spraying device for surface treatment and sandblasting and spraying integrated machine |
| CN110420798A (en) * | 2019-08-28 | 2019-11-08 | 孙帅 | A kind of glue stations producing foam battenboard |
| CN112589387A (en) * | 2020-11-30 | 2021-04-02 | 瑞声科技（南京）有限公司 | Temperature-uniforming plate processing method and temperature-uniforming plate |
| CN112588491A (en) * | 2020-12-22 | 2021-04-02 | 百琪达智能科技（宁波）股份有限公司 | Pulse type dry-wet mixed type release agent spraying system |
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2007
- 2007-10-09 CN CNA2007101520836A patent/CN101409994A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102517534A (en) * | 2011-11-15 | 2012-06-27 | 安徽铜峰电子股份有限公司 | Longitudinal spraying range-controllable capacitor gold spraying device |
| CN104841602A (en) * | 2015-06-03 | 2015-08-19 | 北京利玛环太科技有限公司 | Isolation structure on spraying device for surface treatment and sandblasting and spraying integrated machine |
| CN110420798A (en) * | 2019-08-28 | 2019-11-08 | 孙帅 | A kind of glue stations producing foam battenboard |
| CN110420798B (en) * | 2019-08-28 | 2020-09-29 | 孙帅 | Gluing device for producing foam sandwich board |
| CN112589387A (en) * | 2020-11-30 | 2021-04-02 | 瑞声科技（南京）有限公司 | Temperature-uniforming plate processing method and temperature-uniforming plate |
| CN112588491A (en) * | 2020-12-22 | 2021-04-02 | 百琪达智能科技（宁波）股份有限公司 | Pulse type dry-wet mixed type release agent spraying system |
| CN112588491B (en) * | 2020-12-22 | 2022-12-23 | 百琪达智能科技（宁波）股份有限公司 | Pulse type dry-wet mixed type mold release agent spraying system |
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Open date: 20090415 |