CN207904349U - Inner support mechanism for the spraying of large thin-wall platinum-rhodium alloy pipe - Google Patents
Inner support mechanism for the spraying of large thin-wall platinum-rhodium alloy pipe Download PDFInfo
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- CN207904349U CN207904349U CN201820210776.XU CN201820210776U CN207904349U CN 207904349 U CN207904349 U CN 207904349U CN 201820210776 U CN201820210776 U CN 201820210776U CN 207904349 U CN207904349 U CN 207904349U
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- spraying
- rhodium alloy
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- rotating device
- alloy pipe
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Abstract
The utility model is related to a kind of inner support mechanisms for the spraying of large thin-wall platinum-rhodium alloy pipe, belong to technical field of metal material.It includes inner supporting structure, adjustable rotating device and mobile holder；The inner supporting structure includes support adjustment mechanism and end part connecting mechanism, and for product to be supported and adjusted, support adjustment mechanism both ends are connect by end part connecting mechanism with adjustable rotating device support adjustment mechanism respectively；The adjustable rotating device lower end is supported by mobile holder.The utility model is simple in structure, and cost is relatively low, can the extensive use in thin-wall part plasma spray coating process.The utility model is not limited to the spraying of platinum-rhodium alloy thin-wall pipes, the spraying of other applicable thin wall type tubing, such as copper alloy, aluminium alloy, magnesium alloy.
Description
Technical field
The utility model is related to a kind of inner support mechanisms for the spraying of large thin-wall platinum-rhodium alloy pipe, belong to metal material
Technical field.
Background technology
Platinum-rhodium alloy has excellent thermal structure intensity and high chemical stability become it is common in glass industry
High-temperature structural material.The channel prepared by platinum-rhodium alloy is production TFT-LED（Thin Film Transistor-LCD）Key
Equipment, single set equipment noble metal（Mainly platinum-rhodium alloy）Dosage about 500~800kg, due to its special hot environment, platinum rhodium
Alloy generates noble metal loss because voloxidation occurs, or even causes to be worth hundred million equipment damage.It is closed to reduce platinum rhodium
Potential risk existing for golden voloxidation and the service life for extending equipment, research is found can in platinum-rhodium alloy surface spraying medium
Effectively slow down platinum-rhodium alloy high-temperature oxydation.
Al2O3And ZrO2Powder is sprayed on platinum rhodium as two kinds of common blasting medium materials, by different paint-on techniques and closes
Gold surface can significantly reduce its high-temperature oxydation phenomenon.Because the use of plasma spray technology limits, especially thin wall type component thermal spraying
After deform it is excessive, it is difficult to ensure equipment high-precision requirement, seriously affect paint-on technique TFT-LED equipment in application.This
The bond strength and uniformity of trypsin method layer are also the important factor in order for influencing paint-on technique and being applied in platinum-rhodium alloy material.
Invention content
The purpose of the utility model is to overcome the shortcoming of existing spraying technology, provide for large thin-wall platinum-rhodium alloy
The inner support mechanism of pipe spraying uses inner support constraint and circulating cooling, infrared ray sensing coordinated signals thin-wall part plasma
Spray deformation technology, it is intended to which one kind is effective to prevent the deformation of platinum-rhodium alloy thin-wall tube plasma spraying by combining the structure to provide
The method for measuring control.
The technical solution of the utility model, the inner support mechanism for the spraying of large thin-wall platinum-rhodium alloy pipe comprising interior
Support construction, adjustable rotating device and mobile holder；The inner supporting structure includes that support adjustment mechanism connects machine with end
Structure, for support adjustment mechanism for product to be supported and adjusted, support adjustment mechanism both ends pass through end part connecting mechanism respectively
It is connect with adjustable rotating device；The adjustable rotating device lower end is supported by mobile holder.
The inner supporting structure includes main support rod and the secondary supporting rod positioned at main support rod both sides；The main support rod and
It is attached by mechanical jack between secondary supporting rod；The main support rod both ends connect axis connection with main support rod,
Secondary supporting rod both ends connect axis connection with secondary supporting rod.
The main support rod connecting shaft and time supporting rod connecting shaft are connect by sealing ring with Seal end plate, Seal end plate
Upper setting end cover.
The Seal end plate is connected with outer anchor ear snap ring, is formed between outer anchor ear snap ring, end cover and Seal end plate close
Close space；Side Seal end plate is equipped with cooling medium inlet, and other side Seal end plate is equipped with cooling media outlet.
It is uniformly distributed several pieces of flat support plates on the main support rod, several pieces of semicircles are uniformly distributed on secondary supporting rod
Supporting rod.
The adjustable rotating device includes biserial deep groove ball bearing, fixed flange, rotary sleeve and oil sealing cap；
The inner supporting structure both sides are connect with an adjustable rotating device respectively；The main support rod connecting shaft and rotation
Shaft set connection, rotary sleeve are connect with fixed flange；The fixed flange is internally provided with biserial deep groove ball bearing, fixed
Ring flange is sealed by oil sealing cap；
It is equipped with mobile holder below the adjustable rotating device, mobile holder includes rack body and universal wheel, and ten thousand
It is set to below rack body to wheel.
The spray robot, plasma gun are connected with the uniform PLC control devices of volume control device of cooling medium.
Rhodium content in the platinum-rhodium alloy pipe is calculated as 0.1%-20% in mass ratio.
The pipe thickness of the platinum-rhodium alloy pipe is 0.3 ~ mm；Tube body sectional dimension is 200 ~ 680mm, and tube length is less than
6000mm；The tube body section is circle, ellipse, kidney ellipsoid, rectangular or rectangle.
The beneficial effects of the utility model：The present invention is controlled using inner support constraint and circulating cooling, infrared ray sensing linkage
Thin-wall part thermal spraying deformation technology processed can obviously reduce the spraying deformation of Plasma Spraying Process Using thin-walled platinum-rhodium alloy, especially pair
The flatness of spray-coating surface has remarkable result.For the deformation of kidney ellipsoid 0.8mm thickness platinum-rhodium alloy flat tube sectional dimensions by original 8 ~
10mm deformation amount controllings are to existing 1 ~ 3mm.
The circulating cooling spray coating method of the utility model can significantly improve the utilization rate of spray coating powder, and circulating cooling reduces workpiece table
The spraying temperature in face can shorten spray gun and workpiece distance, improve the speed of jet particle, coating be fine and close, adhesion strength height to
Raising sprays powder rate.
The utility model is simple in structure, and cost is relatively low, can the extensive use in thin-wall part plasma spray coating process.The present invention
It is not limited to the spraying of platinum-rhodium alloy thin-wall pipes, the spraying of other applicable thin wall type tubing, such as copper alloy, aluminium alloy, magnesium alloy
Deng.
Description of the drawings
Fig. 1 is inner support circulating cooling spraying process schematic diagram.
Fig. 2 is inner supporting structure, adjustable rotating device and mobile holder assembling schematic diagram.
Fig. 3 is inner supporting structure, adjustable rotating device and mobile branch front view.
Fig. 4 is inner supporting structure diagrammatic cross-section.
Fig. 5 is Seal end plate enclosed package partial sectional view.
Fig. 6 is adjustable rotating device sectional view.
Reference sign：1, spray robot；2, plasma gun；3, platinum-rhodium alloy pipe；4, infrared thermometer；5、
Inner supporting structure；5-1, main support rod；5-2, mechanical jack；5-3, secondary supporting rod；5-4, flat support plate；5-5, semicircle
Shape supporting rod；5-6, Seal end plate；5-7, end cover；5-8, outer anchor ear snap ring；5-9, sealing ring；5-10, cooling medium enter
Mouthful；5-11, cooling media outlet；5-12, main support rod connecting shaft；5-13, secondary supporting rod connecting shaft；6, rotating dress is adjusted
It sets；6-1, biserial deep groove ball bearing；6-2, fixed flange；6-3, rotary sleeve；6-4, oil sealing cap；7, mobile holder；7-1、
Rack body；7-2, universal wheel.
Specific implementation mode
The artificial Kawasaki robot RS15X type spray robots of spraying robot in following embodiment, plasma gun be it is equal from
The sub- mating spray gun of spraying equipment XM-80SK types.
Embodiment 1 is used for the inner support mechanism of large thin-wall platinum-rhodium alloy pipe spraying
Including inner supporting structure 5, adjustable rotating device 6 and mobile holder 7；The inner supporting structure 5 includes that support is adjusted
Mechanism and end part connecting mechanism are saved, support adjustment mechanism is for being supported and adjusting to product, support adjustment mechanism both ends point
It is not connect with adjustable rotating device 6 by end part connecting mechanism；6 lower end of adjustable rotating device passes through mobile holder 7
Support.
The inner supporting structure 5 includes the main support rod 5-1 and secondary supporting rod 5-3 positioned at the both sides main support rod 5-1；It is described
It is attached by mechanical jack 5-2 between main support rod 5-1 and secondary supporting rod 5-3；The both ends the main support rod 5-1 are equal
It is connect with main support rod connecting shaft 5-12, the both ends secondary supporting rod 5-3 are connect with secondary supporting rod connecting shaft 5-13.
The main support rod connecting shaft 5-12 and time supporting rod connecting shaft 5-13 pass through sealing ring 5-9 and Seal end plate 5-
6 connect, setting end cover 5-7 on Seal end plate 5-6.
The Seal end plate 5-6 is connected with outer anchor ear snap ring 5-8, in outer anchor ear snap ring 5-8, end cover 5-7 and sealing
Confined space is formed between end plate 5-6；Side Seal end plate 5-6 is equipped with cooling medium inlet 5-10, other side Seal end plate 5-6
It is equipped with cooling media outlet 5-11.
Several pieces of flat support plate 5-4 are uniformly distributed on the main support rod 5-1, if being uniformly distributed on secondary supporting rod 5-3
Dry block semicircle supporting rod 5-5.
The adjustable rotating device 6 include biserial deep groove ball bearing 6-1, fixed flange 6-2, rotary sleeve 6-3 and
Oil sealing cap 6-4；
5 both sides of the inner supporting structure are connect with an adjustable rotating device 6 respectively；The main support rod connecting shaft 5-
12 connect with rotary sleeve 6-3, and rotary sleeve 6-3 is connect with fixed flange 6-2；The fixed flange 6-2 is internally provided with
Biserial deep groove ball bearing 6-1, fixed flange 6-2 are sealed by oil sealing cap 6-4；
The lower section of the adjustable rotating device 6 is equipped with mobile holder 7, and mobile holder 7 includes rack body 7-1 and universal
7-2 is taken turns, universal wheel 7-2 is set to below rack body 7-1.
Embodiment 2
The spraying equipment includes spray robot 1, plasma gun 2, platinum-rhodium alloy pipe 3, infrared thermometer 4, interior
Support construction 5, adjustable rotating device 6 and mobile holder 7；1 front end of the spray robot is connected with plasma gun 2, etc.
Infrared thermometer 4 is set on ion spray gun 2；Platinum-rhodium alloy pipe 3 is placed in 2 front of plasma gun, is led in platinum-rhodium alloy pipe 3
Inner supporting structure 5 is crossed to be supported；Inner supporting structure 5 is connect by adjustable rotating device 6 with mobile holder 7.
20 alloy kidney ellipsoid flat tube of platinum rhodium, tube wall thickness 0.8mm, radius R 90mm, section length of straight flange L are 400mm, length
Degree is 2000mm.Sprayed coating material：ZrO2Powder, 15 ~ 40 μm of granularity.
Pre-treatment：Oil removing and cleaning are carried out to target platinum-rhodium alloy pipe matrix surface with acid, alkali and pure water, then use carbon
It is clear that the progress sandblasting of SiClx sand carries out surface after matrix surface roughening, completion roughening treatment with high pressure air rifle and absolute ethyl alcohol
Reason, blast parameter：Granularity selects 18~24 mesh；Wind pressure selects 0.6~0.8MPa；Platinum-rhodium alloy pipe surface after roughening is coarse
Degree is 2.5~3.5 μm.
（1）Inner supporting structure：By the flat support plate for designing 6 pieces of R90 semi-circular support plates 5-5 and 3 pieces of flat segments 100
5-4, including 1830mm the mechanic jacks 5-2 of 1845mm main support rods 5-1,4 sets of elongations not less than 150mm, length branch
Strut 5-3 components form constraint inner cavity appearance and size structure, the main support rod 5-1 for fixed support platinum-rhodium alloy pipe
Be used as main beam stress body simultaneously with secondary supporting rod 5-3, carrying workpiece, inner support tooling and cooling medium gravitational load, support
Bar design requirement rectangular steel pipe, wall thickness require to be not less than 2.0mm.
（2）Sealing assembly：By step（2）The inner supporting structure 5 of design respectively arranges R90 semi-circular support plates 5-5
Enter time supporting rod 5-3, the flat support plate 5-4 of flat segments 100 and is uniformly packed into main support rod 5-1；Machinery thousand will be collapsed with bolt
Jin top 5-2 connects main support rod 5-1 and secondary supporting rod 5-3, determines tight with bolt behind support plate and the positions mechanic jacks 5-2
Determine relativeness；It shrinks the mechanic jacks 5-2 to close up both wings time supporting rod 5-3 in main support rod 5-1 one, wait for interior
Portion's support construction 5 is packed into platinum-rhodium alloy pipe 3, is further advanced by torsion mechanic jacks 5-2 lead screws and is strutted both wings time support
Bar 5-3 supports pre-fix；The Seal end plate 5-6, end cover 5-7, outer anchor ear snap ring 5-8 and M different size is close
Seal 5-9, M >=3；The Seal end plate 5-6, sealing ring 5-9, main support rod 5-1 and secondary supporting rod 5-3 are connected to bolt
Platinum-rhodium alloy pipe end side；Further the outer anchor ear snap ring 5-8 is loaded coplanar in Seal end plate 5-6；Further by institute
The end cover 5-7 stated is sealedly attached on the outside of Seal end plate 5-6, forms a recyclable confined space；It finally will support
Platform 7 moves to suitable position, and sealing frock carrier is inserted into 6 mouth of connecting trough of adjustable rotation device and is fixed with fixed pin.
（3）Circulating cooling：By step（3）Obtained sealing frock carrier passes through the cooling medium inlet 5-10 of access and cooling
Media outlet 5-11 goes out by adjusting the cooling medium inlet 5-10 on the Seal end plate 5-6 of tooling carrier both ends with cooling medium
The flow of cooling medium, controls workpiece surface temperature in spraying process, to play fast prompt drop in subsequent handling in mouth 5-11
Temperature effect, makes Plasma Spraying Process Using quickly take away spray coating operations area heat, reduces thin-wall tube thermal stress deformation to greatest extent.
Cooling cycle hydraulic pressure is 0.1MPa, and flow control is in 1.0 ~ 1.5mm/s.
（4）Infrared ray sensing controls：Infrared thermometer 4 is connected to 2 lower part of plasma gun, adjustment infrared thermometry prison
Control point focuses on spraying workpiece surface jointly with spraying flame, and spraying operation area temperature, root are monitored in real time by infrared thermometer 4
Circulating cooling medium flow and spraying gait of march are adjusted according to measuring temperature, makes 300 DEG C of spraying operation area temperature ＜.
（5）Spraying：Platinum-rhodium alloy pipe 3 to be sprayed is adjusted to proper angle, fixed flange 6-2 slots by rotating device 6
Hole locks rotary shaft；Manually adjusting spray robot controller makes the plasma gun 2 be apart from workpiece vertical range to be sprayed
130mm, workpiece to be sprayed are sprayed using 4 area segmentations, and spraying profile is advanced using S-shaped track, the setting of single offset distance
The initial operating speed of 10mm, robot are set as 600mm/s, and spraying turning point deviates spraying workpiece 20 ~ 30mm of end side, program
Spraying route is arranged in manual no-load running robot simulation for the first time after the completion of editor, and program to be confirmed correctly carries out continuous unloaded afterwards
Simulation track is simulated, and program operation is errorless can to complete auto-programming editor.
Plasma sprays automatically：Step（6）After the completion, cooling circulating water is opened, inside workpiece to be sprayed is completely filled with cold
But plasma spraying equipment and infrared thermometer are opened after medium（4）.Wait for that stable spraying flame occurs in plasma spraying muzzle
When, robot auto-programming is run, observes infrared thermometer feedback temperature value in real time, controlling handle by robot suitably adjusts
Whole spraying gait of march, the preliminary design speed of service are 600mm/s.Measure single spray after spraying for the first time in real time with coating thickness detector
Coating different parts thickness repeats coating layer thickness can be made up to 0.2 ~ 0.3mm thickness 5 ~ 8 times according to spraying actual effect.
Claims (7)
1. for the inner support mechanism of large thin-wall platinum-rhodium alloy pipe spraying, it is characterized in that：Including inner supporting structure（5）, it is adjustable
Save rotating device（6）With mobile holder（7）；The inner supporting structure（5）Including support adjustment mechanism and end part connecting mechanism, branch
Support regulating mechanism for product to be supported and is adjusted, support adjustment mechanism both ends respectively by end part connecting mechanism with it is adjustable
Save rotating device（6）Connection；The adjustable rotating device（6）Lower end passes through mobile holder（7）Support.
2. the inner support mechanism for the spraying of large thin-wall platinum-rhodium alloy pipe as described in claim 1, it is characterized in that：The interior branch
Support structure（5）Including main support rod（5-1）And it is located at main support rod（5-1）The secondary supporting rod of both sides（5-3）；The main support rod
（5-1）With secondary supporting rod（5-3）Between pass through mechanical jack（5-2）It is attached；The main support rod（5-1）Both ends are equal
With main support rod connecting shaft（5-12）Connection, secondary supporting rod（5-3）Both ends with secondary supporting rod connecting shaft（5-13）Connection.
3. the inner support mechanism for the spraying of large thin-wall platinum-rhodium alloy pipe as claimed in claim 2, it is characterized in that：The main branch
Strut connecting shaft（5-12）With secondary supporting rod connecting shaft（5-13）Pass through sealing ring（5-9）With Seal end plate（5-6）Connection, it is close
End-blocking plate（5-6）Upper setting end cover（5-7）.
4. the inner support mechanism for the spraying of large thin-wall platinum-rhodium alloy pipe as claimed in claim 3, it is characterized in that：The sealing
End plate（5-6）With outer anchor ear snap ring（5-8）It is connected, in outer anchor ear snap ring（5-8）, end cover（5-7）And Seal end plate（5-6）
Between form confined space；Side Seal end plate（5-6）It is equipped with cooling medium inlet（5-10）, other side Seal end plate（5-6）
It is equipped with cooling media outlet（5-11）.
5. the inner support mechanism for the spraying of large thin-wall platinum-rhodium alloy pipe as claimed in claim 2, it is characterized in that：The main branch
Strut（5-1）On be uniformly distributed several pieces of flat support plates（5-4）, secondary supporting rod（5-3）On be uniformly distributed several pieces of semicircles
Supporting rod（5-5）.
6. the inner support mechanism for the spraying of large thin-wall platinum-rhodium alloy pipe as claimed in claim 2, it is characterized in that：It is described adjustable
Save rotating device（6）Including biserial deep groove ball bearing（6-1）, fixed flange（6-2）, rotary sleeve（6-3）And oil sealing cap（6-
4）；The inner supporting structure（5）Both sides respectively with an adjustable rotating device（6）Connection；The main support rod connecting shaft（5-
12）With rotary sleeve（6-3）Connection, rotary sleeve（6-3）With fixed flange（6-2）Connection；The fixed flange（6-2）
It is internally provided with biserial deep groove ball bearing（6-1）, fixed flange（6-2）By oil sealing cap（6-4）It is sealed.
7. the inner support mechanism for the spraying of large thin-wall platinum-rhodium alloy pipe as claimed in claim 6, it is characterized in that：It is described adjustable
Save rotating device（6）Lower section is equipped with mobile holder（7）, mobile holder（7）Including rack body（7-1）And universal wheel（7-2）,
Universal wheel（7-2）It is set to rack body（7-1）Lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820210776.XU CN207904349U (en) | 2018-02-06 | 2018-02-06 | Inner support mechanism for the spraying of large thin-wall platinum-rhodium alloy pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820210776.XU CN207904349U (en) | 2018-02-06 | 2018-02-06 | Inner support mechanism for the spraying of large thin-wall platinum-rhodium alloy pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207904349U true CN207904349U (en) | 2018-09-25 |
Family
ID=63563428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820210776.XU Active CN207904349U (en) | 2018-02-06 | 2018-02-06 | Inner support mechanism for the spraying of large thin-wall platinum-rhodium alloy pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN207904349U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165922A (en) * | 2018-02-06 | 2018-06-15 | 无锡英特派金属制品有限公司 | Large thin-wall platinum-rhodium alloy pipe inner support circulating cooling spraying method and its inner support mechanism |
| CN112474103A (en) * | 2020-11-16 | 2021-03-12 | 无锡英特派金属制品有限公司 | Portable spraying protection device |
-
2018
- 2018-02-06 CN CN201820210776.XU patent/CN207904349U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165922A (en) * | 2018-02-06 | 2018-06-15 | 无锡英特派金属制品有限公司 | Large thin-wall platinum-rhodium alloy pipe inner support circulating cooling spraying method and its inner support mechanism |
| CN108165922B (en) * | 2018-02-06 | 2023-08-18 | 英特派铂业股份有限公司 | Internal support circulation cooling spraying method and internal support mechanism for large thin-wall platinum rhodium alloy pipe |
| CN112474103A (en) * | 2020-11-16 | 2021-03-12 | 无锡英特派金属制品有限公司 | Portable spraying protection device |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Xishan District Beizhen Jiangsu province 214192 new Tin Village in Wuxi City Patentee after: Intel platinum Co.,Ltd. Address before: 214194 No. 66, Jinghong Road, Xibei Town, Xishan District, Wuxi City, Jiangsu Province Patentee before: WUXI INTERNATIONAL PLATINUM Co.,Ltd. |