CN114657490B - Titanium-zirconium-based alloy surface treatment process and shot peening strengthening device - Google Patents
Titanium-zirconium-based alloy surface treatment process and shot peening strengthening device Download PDFInfo
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- CN114657490B CN114657490B CN202210284915.4A CN202210284915A CN114657490B CN 114657490 B CN114657490 B CN 114657490B CN 202210284915 A CN202210284915 A CN 202210284915A CN 114657490 B CN114657490 B CN 114657490B
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- PMTRSEDNJGMXLN-UHFFFAOYSA-N titanium zirconium Chemical compound [Ti].[Zr] PMTRSEDNJGMXLN-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 96
- 239000000956 alloy Substances 0.000 title claims abstract description 96
- 238000005728 strengthening Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004381 surface treatment Methods 0.000 title claims abstract description 18
- 238000005480 shot peening Methods 0.000 title claims abstract description 16
- 238000005507 spraying Methods 0.000 claims abstract description 97
- 239000011812 mixed powder Substances 0.000 claims abstract description 63
- 239000007921 spray Substances 0.000 claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 29
- 229920000742 Cotton Polymers 0.000 claims description 19
- 238000005422 blasting Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 9
- 229910001093 Zr alloy Inorganic materials 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 229910052961 molybdenite Inorganic materials 0.000 claims description 5
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 6
- 238000010168 coupling process Methods 0.000 claims 6
- 238000005859 coupling reaction Methods 0.000 claims 6
- 239000000203 mixture Substances 0.000 claims 1
- 238000011084 recovery Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 238000010290 vacuum plasma spraying Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004053 dental implant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/186—High-melting or refractory metals or alloys based thereon of zirconium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/14—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying for coating elongate material
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
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- Mechanical Engineering (AREA)
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Abstract
The invention belongs to the technical field of titanium-zirconium-based alloy surface strengthening, and particularly relates to a titanium-zirconium-based alloy surface treatment process and a shot peening strengthening device, which comprise a spraying machine, a spraying chamber and a protective door; the middle part of the spraying machine is provided with a spraying chamber, four sides of the spraying chamber are hinged with protective doors, the periphery of the bottom surface of the spraying chamber is provided with mounting grooves, and a titanium-zirconium-based alloy plate is slidably mounted inside the mounting grooves; when the spraying chamber works, the protective doors on the periphery of the spraying chamber are opened, the titanium-zirconium-based alloy plates are inserted into the mounting grooves, the titanium-zirconium-based alloy plates are mounted on four surfaces of the spraying chamber, and the spraying equipment in the spraying chamber sprays the mixed powder onto the surfaces of the titanium-zirconium-based alloy plates, so that the probability that the mixed powder flying around is adhered to the inner wall of the spraying chamber when the single-side spraying treatment of the titanium-zirconium-based alloy plates is carried out is reduced, and the utilization rate of the mixed powder is improved.
Description
Technical Field
The invention belongs to the technical field of titanium-zirconium-based alloy surface strengthening, and particularly relates to a titanium-zirconium-based alloy surface treatment process and a shot peening strengthening device.
Background
The zirconium-titanium-based alloy has excellent mechanical property, biocompatibility, corrosion resistance, low density, high strength, low thermal expansion coefficient, creep resistance and other excellent properties, is an important metal synthetic material, and can be used for manufacturing engine parts, spacecraft structural parts, artificial bones, dental implants and other fields.
A chinese patent publication No. CN107488778A discloses an ultrasonic shot peening apparatus, which includes a shot chamber, a clamping device, and at least one ultrasonic vibration device, wherein the shot chamber has a plurality of shot chambers, a through hole is opened at the bottom of each shot chamber, and each shot chamber can be connected to one ultrasonic vibration device; the shot blasting chamber is internally provided with shots; the clamping device is connected with the ultrasonic vibration device. The ultrasonic shot blasting equipment disclosed by the invention is used for carrying out shot blasting strengthening on large-scale fan blades with complex curved surfaces, the grid-shaped shot blasting chamber is used for carrying out regional division on the surfaces of the fan blades, a single vibration head can be used for carrying out ultrasonic shot blasting strengthening on the fan blades one by one regionally, and a plurality of vibration heads can also be used for carrying out ultrasonic shot blasting strengthening on a plurality of regions simultaneously, so that the ultrasonic shot blasting efficiency of the fan blades with complex curved surfaces is improved.
After the shot blasting treatment of the zirconium-titanium-based alloy is completed, an abrasion-resistant coating needs to be sprayed on the surface of the zirconium-titanium-based alloy, the zirconium-titanium-based alloy is placed in a spraying chamber to be sprayed in the existing spraying mode, spraying powder is dispersed in the spraying chamber at four places during spraying, the powder flying around adheres to the inner wall of the spraying chamber, and the sprayed powder is difficult to use and is wasted.
Therefore, the invention provides a titanium zirconium alloy surface treatment process and a shot peening strengthening device.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problem is as follows: the invention relates to a titanium zirconium base alloy surface treatment process, which comprises the following steps:
s1: sending the titanium-zirconium-based alloy into a shot blasting machine for surface strengthening treatment to generate a crater on the surface of the titanium-zirconium-based alloy;
s2: mixing TiO with2/MoS2Putting the composite lubricating powder and Ti powder into a ball mill for ball milling treatment to obtain mixed powder; the mixed powder comprises the following raw materials in parts by mass: 1-20 parts of TiO21-20 parts of MoS2And 1-30 parts of Ti; because Ti is contained in the mixed powder, the bonding strength of the mixed powder and the titanium-zirconium-based alloy is higher;
s3: placing the titanium-zirconium-based alloy into a spraying chamber of a shot peening strengthening device, spraying the prepared mixed powder onto the surface of the titanium-zirconium-based alloy by utilizing vacuum plasma spraying to form a compact wear-resistant coating, and obtaining the titanium-zirconium-based alloy with a well-treated surface; the crater can be used as a place for storing lubricant, thereby improving the lubricating effect.
The shot peening device for the surface treatment of the titanium-zirconium alloy is suitable for the titanium-zirconium alloy surface treatment process and comprises a spraying machine, a spraying chamber and a protective door; the middle part of the spraying machine is provided with a spraying chamber, four sides of the spraying chamber are hinged with protective doors, the periphery of the bottom surface of the spraying chamber is provided with mounting grooves, and a titanium-zirconium-based alloy plate is slidably mounted inside the mounting grooves; when the spraying chamber works, the protective doors on the periphery of the spraying chamber are opened, the titanium-zirconium-based alloy plates are inserted into the mounting grooves, the titanium-zirconium-based alloy plates are mounted on four surfaces of the spraying chamber, and the spraying equipment in the spraying chamber sprays the mixed powder onto the surfaces of the titanium-zirconium-based alloy plates, so that the probability that the mixed powder flying around is adhered to the inner wall of the spraying chamber when the single-side spraying treatment of the titanium-zirconium-based alloy plates is carried out is reduced, and the utilization rate of the mixed powder is improved.
Preferably, an accommodating groove is formed in the outer side of the bottom surface of the spraying chamber, a sealing plate is slidably mounted in the accommodating groove, the adjacent sealing plates are in sliding fit, a tooth groove is formed in one surface, close to the protective door, of the sealing plate, an installation cavity is formed in the top of the accommodating groove and communicated with the accommodating groove, a motor is mounted in the installation cavity, a rotating shaft of the motor is fixedly connected with a gear, and the gear is meshed with the tooth groove; during operation, install the inside back of mounting groove with titanium zirconium base alloy board, the motor drives the gear and rotates, gear and tooth's socket meshing, drive closing plate along accomodating the groove and upwards sliding, sealed the four sides of spray booth to when having reduced titanium zirconium base alloy board single face spraying, the mixed powder splashes the outside probability of spray booth, makes the mixed powder splash and concentrates, the staff's of being convenient for clearance collection work.
Preferably, a sliding groove is formed in one side, close to the middle of the spraying chamber, of the accommodating groove, a sliding plate is slidably mounted inside the sliding groove, the side face of the sliding plate is fixedly connected with the bottom of the sealing plate, a push rod is slidably mounted at the bottom of the mounting groove, the push rod sliding table penetrates through the top wall of the sliding groove, a baffle is fixedly connected to the bottom end of the push rod, the bottom surface of the baffle is in sliding fit with the top surface of the sliding plate, and a plurality of springs I are fixedly connected between the top surface of the baffle and the top surface of the sliding groove; the during operation, the closing plate when upwards sliding along accomodating the groove, drive the slide and slide along the spout, promote the baffle and upwards slide, promote the push rod and slide in the mounting groove, the push rod promotes the titanium zirconium base alloy board and raises, with the ejecting mounting groove of titanium zirconium base alloy board, the top surface of titanium zirconium base alloy board contacts the top surface of spray booth simultaneously, press from both sides the fastening with the titanium zirconium base alloy board and decide, the influence of mounting groove to the spraying of titanium zirconium base alloy board bottom has been reduced, comprehensive and the spraying effect when having improved the spraying of titanium zirconium base alloy board single face.
Preferably, an elastic rubber sheet is fixedly connected to the inner ring of the top surface of the mounting groove, the top surface of the elastic rubber sheet is in sliding fit with the bottom surface of the titanium-zirconium-based alloy plate, and the bottom surface of the elastic rubber sheet is in sliding fit with the top end of the push rod; during operation separates mounting groove and spray booth through the elastic rubber piece, has reduced the probability that the mixed powder in the spray booth gets into in the mounting groove, has reduced the difficult degree when staff is clean, has improved the efficiency when staff is clean.
Preferably, the outer ring of the top surface of the spraying chamber is provided with a plurality of pairs of sliding holes, the top end of each pair of sliding holes is provided with a semicircular hole, a push column is slidably mounted inside each sliding hole, the top ends of the push columns on two sides are fixedly connected with a soft rod, the soft rod is in sliding fit with the semicircular holes, two sides of each sliding hole on the inner ring are provided with notches, two sides of the top of each push column on the inner ring are fixedly connected with a sliding block, the side wall of each sliding block is in sliding fit with the inner wall of each notch, a second spring is fixedly connected between the bottom surface of each sliding block and the bottom surface of each notch, the bottom surface of each push column on the outer ring is in sliding fit with the top surface of the sealing plate, and the bottom surface of each push column on the inner ring is in sliding fit with the top surface of the titanium-zirconium base alloy plate; during operation, when the closing plate slided upwards, the closing plate promoted in the post that pushes away in the outside slided into the slide hole, it is downthehole to promote soft pole to slide into the semicircle, soft pole promotes inboard post roll-off slide hole that pushes away, make the slider extrude No. two springs, make No. two spring compression, make the top surface of inboard post extrusion titanium zirconium base alloy board that pushes away, make the compression of soft pole, the cooperation push rod, fix the fastening with titanium zirconium base alloy board, the staff of being convenient for carries out single face spraying work to the titanium zirconium base alloy board of not co-altitude size, thereby the application scope of peening device has been improved.
Preferably, the push column comprises a sleeve column, a sliding column, an insert and a third spring; a sleeve column is fixedly connected to the bottom end of the soft rod, a plurality of limiting grooves are formed in the side wall of the sleeve column, a sliding column is slidably mounted on the inner ring of the sleeve column, a plurality of inserts are fixedly connected to the outer ring of the top of the sliding column, the side wall of each insert is in sliding fit with the inner wall of each limiting groove, and a third spring is arranged between the inner top surface of the sleeve column and the inner bottom surface of the sliding column; during operation, the soft rod pushes the inner sleeve column to slide downwards, the sliding column is pushed to extrude the top surface of the titanium-zirconium-based alloy plate, the third spring is compressed, the titanium-zirconium-based alloy plate is fixed and fastened by matching with the push rod, and workers can fix and clamp the titanium-zirconium-based alloy plates with different height sizes conveniently, so that the application range of the shot peening strengthening device is further expanded.
Preferably, an equipment bin is arranged at the bottom of the spraying machine, an exhaust fan is arranged in the equipment bin, an air outlet pipeline of the exhaust fan is communicated with the outside of the spraying machine, a collecting tank is arranged on the bottom surface of the middle part of the spraying chamber, an installing column is fixedly connected to the middle part of the collecting tank, an air inlet end of the exhaust fan is communicated with the inside of the installing column, a plurality of air holes are formed in the outer ring of the installing column, a cover plate is installed at the top end of the installing column in a threaded mode, a collecting basket is fixedly connected to the outer ring of the bottom surface of the cover plate, breathable cotton cloth is arranged at the bottom of the collecting basket, the inner ring and the outer ring of the collecting basket are metal annular plates, a plurality of arc-shaped elastic pieces are fixedly connected to the outer ring of the bottom surface of the cover plate, and the bottom ends of the arc-shaped elastic pieces are fixedly connected to the inner wall of the outer ring of the collecting basket; when the spraying machine works, the exhaust fan is started, air in the spraying chamber is pumped out of the spraying machine through the pipeline, mixed powder mixed with the air in the spraying chamber enters the collecting basket, and the mixed powder is filtered by the cotton cloth at the bottom of the collecting basket, so that the mixed powder is gathered in the collecting basket, workers can recycle the mixed powder conveniently, and the recovery rate of the mixed powder is improved; through the arc-shaped elastic pieces, the collecting basket is propped open, so that the collecting basket is tightly attached to the collecting groove, and the probability that mixed powder enters the collecting groove from a gap between the collecting basket and the collecting groove is reduced.
Preferably, the top of the outer ring of the collecting basket is fixedly connected with a plurality of piles, the piles are in sliding fit with the inner wall of the collecting tank, the top of the outer ring of the collecting basket is fixedly connected with an elastic concave ring, and the elastic concave ring is positioned at the bottom of the piles; during operation, when the mixed powder enters the collecting tank from a gap between the collecting basket and the collecting tank, the mixed powder is adsorbed by the fluff, so that the mixed powder is adsorbed on the surface of the fluff, and the elastic concave ring is arranged to block the falling of the mixed powder adsorbed on the surface of the fluff, thereby further improving the cleaning degree of the collecting tank and facilitating the cleaning work of workers.
The invention has the following beneficial effects:
1. the invention relates to a titanium zirconium alloy surface treatment process and a shot peening strengthening device, wherein a spraying machine, a spraying chamber and a protective door are arranged; the titanium-zirconium-base alloy plate is inserted into the mounting groove, so that the titanium-zirconium-base alloy plates are mounted on four surfaces of the spraying chamber, the mixed powder is sprayed on the surface of the titanium-zirconium-base alloy plate by the spraying equipment in the spraying chamber, the probability that the flying mixed powder is adhered to the inner wall of the spraying chamber when the single-surface spraying treatment of the titanium-zirconium-base alloy plate is carried out is reduced, and the utilization rate of the mixed powder is improved.
2. The invention relates to a surface treatment process of a titanium-zirconium-based alloy and a shot blasting strengthening device, which are characterized in that an exhaust fan, a collecting basket and an arc-shaped elastic sheet are arranged; the collection basket is propped open through the arc-shaped elastic pieces, so that the collection basket is tightly attached to the collection groove, and the probability that the mixed powder enters the collection groove from a gap between the collection basket and the collection groove is reduced; air in the air exhauster will the spray booth takes out, and in the air in the spray booth mingled with mixed powder got into the collection basket, mixed powder was filtered by the cotton of collecting basket bottom for in mixed powder gathers the collection basket, the staff recycle mixed powder of being convenient for has improved the rate of recovery of mixed powder.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of a first embodiment of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is an enlarged view of a portion of FIG. 4 at C;
FIG. 6 is an enlarged view of a portion of FIG. 2 at D;
FIG. 7 is an enlarged view of a portion E of FIG. 6;
FIG. 8 is a schematic view of the internal structure of a second vent according to an embodiment of the present invention;
FIG. 9 is a process flow diagram of the present invention;
in the figure: 1. a spray coater; 2. a spraying chamber; 3. a protective door; 4. mounting grooves; 5. a titanium-zirconium-based alloy plate; 6. a receiving groove; 7. a sealing plate; 8. a tooth socket; 9. a mounting cavity; 10. a motor; 11. a gear; 12. a chute; 13. a slide plate; 14. a push rod; 15. a baffle plate; 16. a first spring; 17. an elastic rubber sheet; 18. a slide hole; 19. a semicircular hole; 20. pushing the column; 21. a soft rod; 22. a notch; 23. a slider; 24. a second spring; 25. an equipment bin; 26. an exhaust fan; 27. collecting tank; 28. mounting a column; 29. air holes; 30. a cover plate; 31. a collection basket; 32. an arc-shaped elastic sheet; 33. fluff; 34. an elastic concave ring; 35. a housing; 36. a sealing plug; 37. a fourth spring; 38. an elastic cotton rope; 201. sleeving a column; 202. a traveler; 203. an insert; 204. a third spring; 205. a limiting groove.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example one
As shown in fig. 9, a surface treatment process of a zirconium-titanium-based alloy according to an embodiment of the present invention includes the following steps:
s1: sending the titanium-zirconium-based alloy into a shot blasting machine, and carrying out surface strengthening treatment to generate a crater on the surface of the titanium-zirconium-based alloy;
S2：mixing TiO with2/MoS2Putting the composite lubricating powder and Ti powder into a ball mill for ball milling treatment to obtain mixed powder; the mixed powder comprises the following raw materials in parts by mass: 1-20 parts of TiO21-20 parts of MoS2And 1-30 parts of Ti; because Ti is contained in the mixed powder, the bonding strength of the mixed powder and the titanium-zirconium-based alloy is higher;
s3: placing the titanium-zirconium-based alloy into a spraying chamber 2 of a shot peening strengthening device, spraying the prepared mixed powder onto the surface of the titanium-zirconium-based alloy by using vacuum plasma spraying to form a compact wear-resistant coating, and obtaining the titanium-zirconium-based alloy with a well treated surface; the crater can be used as a place for storing lubricant, thereby improving the lubricating effect.
As shown in fig. 1 to 2, a shot peening apparatus for surface treatment of a titanium zirconium based alloy, which is suitable for use in a titanium zirconium based alloy surface treatment process as described above, includes a coating machine 1, a coating chamber 2, and a guard gate 3; a spraying chamber 2 is arranged in the middle of the spraying machine 1, four sides of the spraying chamber 2 are hinged with protective doors 3, mounting grooves 4 are formed in the periphery of the bottom surface of the spraying chamber 2, and a titanium-zirconium-based alloy plate 5 is slidably mounted inside the mounting grooves 4; when the spraying device works, the protective doors 3 around the spraying chamber 2 are opened, the titanium-zirconium-based alloy plate 5 is inserted into the mounting groove 4, the titanium-zirconium-based alloy plate 5 is mounted on all four sides of the spraying chamber 2, the spraying equipment in the spraying chamber 2 sprays the mixed powder onto the surface of the titanium-zirconium-based alloy plate 5, the probability that the mixed powder flying around is adhered to the inner wall of the spraying chamber 2 when the single-side spraying treatment of the titanium-zirconium-based alloy plate 5 is carried out is reduced, and the utilization rate of the mixed powder is improved.
As shown in fig. 3, an accommodating groove 6 is formed in the outer side of the bottom surface of the spray chamber 2, a sealing plate 7 is slidably mounted inside the accommodating groove 6, the adjacent sealing plates 7 are in sliding fit, a tooth groove 8 is formed in one surface, close to the protective door 3, of the sealing plate 7, a mounting cavity 9 is formed in the top of the accommodating groove 6, the mounting cavity 9 is communicated with the accommodating groove 6, a motor 10 is mounted inside the mounting cavity 9, a rotating shaft of the motor 10 is fixedly connected with a gear 11, and the gear 11 is meshed with the tooth groove 8; during operation, install the inside back of mounting groove 4 with titanium zirconium base alloy board 5, motor 10 drives gear 11 and rotates, gear 11 and tooth's socket 8 meshing, drive closing plate 7 along receiving groove 6 upwards sliding, sealed the four sides of spray booth 2 to when having reduced 5 single face spraying to titanium zirconium base alloy board, the probability that the mixed powder splashes to 2 outsides of spray booth makes the mixed powder splash and concentrates, the staff's of being convenient for clearance collection work.
A sliding groove 12 is formed in one side, close to the middle of the spraying chamber 2, of the accommodating groove 6, a sliding plate 13 is slidably mounted inside the sliding groove 12, the side face of the sliding plate 13 is fixedly connected with the bottom of the sealing plate 7, a push rod 14 is slidably mounted at the bottom of the mounting groove 4, a sliding table of the push rod 14 penetrates through the top wall of the sliding groove 12, a baffle 15 is fixedly connected to the bottom end of the push rod 14, the bottom face of the baffle 15 is in sliding fit with the top face of the sliding plate 13, and a plurality of springs 16I are fixedly connected between the top face of the baffle 15 and the top face of the sliding groove 12; when the spraying device works, when the sealing plate 7 upwards slides along the accommodating groove 6, the sliding plate 13 is driven to slide along the sliding groove 12, the pushing baffle 15 upwards slides, the pushing rod 14 is pushed to slide into the mounting groove 4, the pushing rod 14 pushes the titanium-zirconium-based alloy plate 5 to be lifted, the titanium-zirconium-based alloy plate 5 is pushed out of the mounting groove 4, meanwhile, the top surface of the titanium-zirconium-based alloy plate 5 contacts with the top surface of the spraying chamber 2, the titanium-zirconium-based alloy plate 5 is clamped and fixed, the influence of the mounting groove 4 on the spraying of the bottom of the titanium-zirconium-based alloy plate 5 is reduced, and the comprehensive and spraying effect when the titanium-zirconium-based alloy plate 5 is sprayed on a single surface is improved.
An elastic rubber sheet 17 is fixedly connected to the inner ring of the top surface of the mounting groove 4, the top surface of the elastic rubber sheet 17 is in sliding fit with the bottom surface of the zirconium-titanium-based alloy plate 5, and the bottom surface of the elastic rubber sheet 17 is in sliding fit with the top end of the push rod 14; the during operation separates mounting groove 4 and spray booth 2 through elastic rubber piece 17, has reduced the probability that the mixed powder in the spray booth 2 gets into in the mounting groove 4, has reduced the difficult degree when the staff is clean, has improved the efficiency when the staff is clean.
As shown in fig. 4, a plurality of pairs of sliding holes 18 are formed in the outer ring of the top surface of the spray booth 2, a semicircular hole 19 is formed in the top end of each pair of sliding holes 18, a push post 20 is slidably mounted inside each sliding hole 18, a soft rod 21 is fixedly connected to the top ends of the push posts 20 on both sides, the soft rod 21 is slidably matched with the semicircular hole 19, notches 22 are formed in both sides of each sliding hole 18 on the inner ring, sliders 23 are fixedly connected to both sides of the top of each push post 20 on the inner ring, the side walls of the sliders 23 are slidably matched with the inner walls of the notches 22, a second spring 24 is fixedly connected between the bottom surface of each slider 23 and the bottom surface of each notch 22, the bottom surface of each push post 20 on the outer ring is slidably matched with the top surface of the sealing plate 7, and the bottom surface of each push post 20 on the inner ring is slidably matched with the top surface of the titanium-zirconium base alloy plate 5; during operation, when the sealing plate 7 upwards slides, the sealing plate 7 pushes the push column 20 on the outer side to slide into the slide hole 18, the soft rod 21 is pushed to slide into the semicircular hole 19, the soft rod 21 pushes the push column 20 on the inner side to slide out of the slide hole 18, the sliding block 23 extrudes the second spring 24, the second spring 24 is compressed, the push column 20 on the inner side extrudes the top surface of the titanium-zirconium-based alloy plate 5, the soft rod 21 is compressed, the push rod 14 is matched to fix and tighten the titanium-zirconium-based alloy plate 5, and workers can conveniently perform single-side spraying work on the titanium-zirconium-based alloy plates 5 with different height sizes, so that the application range of the shot peening device is widened.
As shown in fig. 5, the push column 20 includes a sleeve column 201, a sliding column 202, an insert 203 and a third spring 204; a sleeve column 201 is fixedly connected to the bottom end of the soft rod 21, a plurality of limiting grooves 205 are formed in the side wall of the sleeve column 201, a sliding column 202 is slidably mounted on the inner ring of the sleeve column 201, a plurality of inserts 203 are fixedly connected to the outer ring of the top of the sliding column 202, the side wall of each insert 203 is in sliding fit with the inner wall of the corresponding limiting groove 205, and a third spring 204 is arranged between the inner top surface of the sleeve column 201 and the inner bottom surface of the sliding column 202; during operation, the soft rod 21 pushes the inner sleeve column 201 to slide downwards, the sliding column 202 is pushed to extrude the top surface of the titanium zirconium base alloy plate 5, the third spring 204 is compressed, the push rod 14 is matched to fix and clamp the titanium zirconium base alloy plate 5, workers can fix and clamp the titanium zirconium base alloy plates 5 with different height sizes conveniently, and therefore the application range of the shot peening strengthening device is further widened.
As shown in fig. 2 and 6, an equipment bin 25 is disposed at the bottom of the coating machine 1, an exhaust fan 26 is disposed inside the equipment bin 25, an air outlet pipeline of the exhaust fan 26 is communicated with the outside of the coating machine 1, a collecting tank 27 is disposed at the bottom of the middle of the coating chamber 2, a mounting column 28 is fixedly connected to the middle of the collecting tank 27, an air inlet end of the exhaust fan 26 is communicated with the inside of the mounting column 28, a plurality of air holes 29 are disposed on an outer ring of the mounting column 28, a cover plate 30 is mounted on the top end of the mounting column 28 through threads, a collecting basket 31 is fixedly connected to an outer ring of the bottom of the cover plate 30, a breathable cotton cloth is disposed at the bottom of the collecting basket 31, inner rings and outer rings of the collecting basket 31 are metal ring plates, a plurality of arc-shaped elastic sheets 32 are fixedly connected to the outer ring of the bottom of the cover plate 30, and bottom ends of the arc-shaped elastic sheets 32 are fixedly connected to inner walls of the outer rings of the collecting basket 31; when the spraying machine works, the exhaust fan 26 is started, air in the spraying chamber 2 is pumped out of the spraying machine 1 through a pipeline, mixed powder mixed with the air in the spraying chamber 2 enters the collecting basket 31, and the mixed powder is filtered by cotton cloth at the bottom of the collecting basket 31, so that the mixed powder is gathered in the collecting basket 31, the mixed powder is convenient for workers to recycle, and the recovery rate of the mixed powder is improved; through the arc-shaped elastic sheet 32 who sets up, prop open collection basket 31 for collection basket 31 hugs closely in collecting vat 27, thereby has reduced the probability that mixed powder gets into in collecting vat 27 from the gap between collection basket 31 and the collecting vat 27.
As shown in fig. 7, a plurality of piles 33 are fixedly connected to the top of the outer ring of the collecting basket 31, the piles 33 are slidably fitted to the inner wall of the collecting tank 27, an elastic concave ring 34 is fixedly connected to the top of the outer ring of the collecting basket 31, and the elastic concave ring 34 is located at the bottom of the piles 33; during operation, when mixed powder got into collecting vat 27 from the gap between collecting basket 31 and the collecting vat 27, received the absorption that blocks of fine hair 33 for mixed powder adsorbs the surface of fine hair 33, and the elasticity becket 34 that sets up blocks dropping of the mixed powder of fine hair 33 surface adsorption, thereby has further improved collecting vat 27's clean degree, the staff's of being convenient for cleaning work.
Example two
As shown in fig. 8, a first comparative example, in which another embodiment of the present invention is: a shell 35 is installed inside the air hole 29 in a threaded manner, a sealing plug 36 is installed at one end, far away from the air hole 29, of the shell 35 in a sliding manner, a four-number spring 37 is installed between the sealing plug 36 and one end, close to the air hole 29, of the shell 35, a plurality of elastic cotton ropes 38 are fixedly connected between the outer wall of the sealing plug 36 and the inner wall of the shell 35, and cotton wool is arranged on the outer wall of each elastic cotton rope 38; in operation, when the exhaust fan 26 exhausts the air in the spraying chamber 2, the sealing plug 36 slides into the housing 35 under the pushing of the air flow, so that the four-spring 37 is compressed, the elastic cotton rope 38 is stretched, the cotton wool on the surface of the elastic cotton rope 38 is spread, the exhausted air is filtered by the elastic cotton rope 38 and the cotton wool, and the cleanness of the exhausted air is further improved.
When in work: sleeving a collecting basket 31 at the bottom of a cover plate 30 on the outer ring of the mounting column 28, screwing the cover plate 30 on the top of the mounting column 28 to enable the collecting basket 31 to be mounted in the collecting groove 27, and expanding the collecting basket 31 through an arc-shaped elastic sheet 32 to enable the collecting basket 31 to be tightly attached to the collecting groove 27;
inserting the titanium-zirconium-based alloy plate 5 into the mounting groove 4, so that the titanium-zirconium-based alloy plate 5 is mounted on all four surfaces of the spraying chamber 2; starting a motor 10, driving a gear 11 to rotate, meshing the gear 11 with a tooth groove 8, driving a sealing plate 7 to slide upwards along a containing groove 6, pushing a pushing column 20 on the outer side to slide into a sliding hole 18 by the sealing plate 7, pushing a soft rod 21 to slide into a semicircular hole 19, pushing a sleeve column 201 on the inner side to slide downwards by the soft rod 21, pushing a sliding column 202 to extrude the top surface of a titanium-zirconium-based alloy plate 5, and compressing a third spring 204;
when the sealing plate 7 slides upwards along the accommodating groove 6, the sliding plate 13 is driven to slide along the sliding groove 12, the baffle 15 is pushed to slide upwards, the push rod 14 is pushed to slide into the mounting groove 4, the push rod 14 pushes the titanium-zirconium-based alloy plate 5 to be lifted, the titanium-zirconium-based alloy plate 5 is pushed out of the mounting groove 4, and the push rod 14 is matched with the sliding column 202 to fix and tighten the titanium-zirconium-based alloy plate 5; the spraying equipment in the spraying chamber 2 sprays the mixed powder on the surface of the titanium-zirconium-based alloy plate 5, so that the probability that the mixed powder flying around adheres to the inner wall of the spraying chamber 2 when the single-side spraying treatment is carried out on the titanium-zirconium-based alloy plate 5 is reduced, and the utilization rate of the mixed powder is improved;
simultaneously, air exhauster 26 starts, takes out flush coater 1 through the air of pipeline in with spray booth 2, and in the air in spray booth 2 mingled with the mixed powder and got into collection basket 31, the mixed powder was filtered by the cotton of collecting basket 31 bottom for the mixed powder gathers in collecting basket 31, thereby is convenient for staff recycle mixed powder, has improved the rate of recovery of mixed powder.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A titanium zirconium base alloy surface treatment process is characterized in that: the treatment process comprises the following steps:
s1: sending the titanium-zirconium-based alloy into a shot blasting machine for surface strengthening treatment to generate a crater on the surface of the titanium-zirconium-based alloy;
s2: adding TiO into the mixture2/MoS2Putting the composite lubricating powder and Ti powder into a ball mill for ball milling treatment to obtain mixed powder;
s3: placing the titanium-zirconium-based alloy into a spraying chamber (2) of a shot peening strengthening device, spraying the prepared mixed powder onto the surface of the titanium-zirconium-based alloy to form a compact wear-resistant coating, and obtaining the titanium-zirconium-based alloy with a well-treated surface;
the shot peening strengthening device comprises a spraying machine (1), a spraying chamber (2) and a protective door (3); a spraying chamber (2) is formed in the middle of the spraying machine (1), four sides of the spraying chamber (2) are hinged with protective doors (3), mounting grooves (4) are formed in the periphery of the bottom surface of the spraying chamber (2), and a titanium-zirconium-based alloy plate (5) is slidably mounted in the mounting grooves (4);
the spraying chamber is characterized in that a containing groove (6) is formed in the outer side of the bottom face of the spraying chamber (2), a sealing plate (7) is installed inside the containing groove (6) in a sliding mode, the adjacent sealing plates (7) are in sliding fit, a tooth groove (8) is formed in one face, close to the protective door (3), of each sealing plate (7), an installation cavity (9) is formed in the top of the containing groove (6), the installation cavity (9) is communicated with the containing groove (6), a motor (10) is installed inside the installation cavity (9), a rotating shaft of the motor (10) is fixedly connected with a gear (11), and the gear (11) is meshed with the tooth groove (8);
the bottom of the coating machine (1) is provided with an equipment bin (25), an exhaust fan (26) is arranged inside the equipment bin (25), an air outlet pipeline of the exhaust fan (26) is communicated with the outside of the coating machine (1), a collecting groove (27) is formed in the bottom surface of the middle of the coating chamber (2), a mounting column (28) is fixedly connected to the middle of the collecting groove (27), the air inlet end of the exhaust fan (26) is communicated with the inside of the mounting column (28), a plurality of air holes (29) are formed in the outer ring of the mounting column (28), a cover plate (30) is installed on the top end of the mounting column (28) in a threaded manner, a collecting basket (31) is fixedly connected to the outer ring of the bottom surface of the cover plate (30), breathable cotton cloth is arranged at the bottom of the collecting basket (31), the inner ring and the outer ring of the collecting basket (31) are metal ring plates, a plurality of arc-shaped elastic sheets (32) are fixedly connected to the outer ring of the bottom surface of the cover plate (30), and the inner wall of the collecting basket (31) is fixedly connected to the bottom end of the arc-shaped elastic sheets (32); the top of the outer ring of the collecting basket (31) is fixedly connected with a plurality of piles (33), the piles (33) are in sliding fit with the inner wall of the collecting tank (27), the top of the outer ring of the collecting basket (31) is fixedly connected with an elastic concave ring (34), and the elastic concave ring (34) is positioned at the bottom of the piles (33); the inside screw thread installation casing (35) of gas pocket (29), the one end slidable mounting sealing plug (36) of gas pocket (29) is kept away from in casing (35), install four number spring (37) between sealing plug (36) and casing (35) one end near gas pocket (29), a plurality of elasticity cotton rope (38) of rigid coupling between the outer wall of sealing plug (36) and the inner wall of casing (35), the outer wall of elasticity cotton rope (38) is provided with the cotton wool.
2. The surface treatment process of the titanium zirconium alloy according to claim 1, characterized in that: accomodate one side that groove (6) are close to spray booth (2) middle part and seted up spout (12), the inside slidable mounting slide (13) of spout (12), the side of slide (13) and the bottom rigid coupling of closing plate (7), the bottom slidable mounting push rod (14) of mounting groove (4), push rod (14) sliding stand runs through the roof of spout (12), the bottom rigid coupling of push rod (14) has baffle (15), the bottom surface of baffle (15) and the top surface sliding fit of slide (13), the rigid coupling has a plurality of springs (16) No. one between the top surface of baffle (15) and the top surface of spout (12).
3. The surface treatment process of the titanium zirconium alloy according to claim 1, characterized in that: an elastic rubber sheet (17) is fixedly connected to the inner ring of the top surface of the mounting groove (4), the top surface of the elastic rubber sheet (17) is in sliding fit with the bottom surface of the titanium-zirconium-based alloy plate (5), and the bottom surface of the elastic rubber sheet (17) is in sliding fit with the top end of the push rod (14).
4. The surface treatment process of the titanium zirconium alloy according to claim 1, characterized in that: the inner ring is fixedly connected with sliding blocks (23) on two sides of the top of the push column (20), the side wall of each sliding block (23) is in sliding fit with the inner wall of each notch (22), a second spring (24) is fixedly connected between the bottom surface of each sliding block (23) and the bottom surface of each notch (22), the bottom surface of the push column (20) is in sliding fit with the top surface of the sealing plate (7), and the bottom surface of the push column (20) is in sliding fit with the top surface of the titanium-zirconium-based alloy plate (5).
5. The surface treatment process of a titanium zirconium based alloy according to claim 4, characterized in that: the push column (20) comprises a sleeve column (201), a sliding column (202), an insert (203) and a third spring (204); the bottom rigid coupling of soft pole (21) has a cover post (201), a plurality of spacing grooves (205) have been seted up to the lateral wall of cover post (201), the inner circle slidable mounting of cover post (201) has traveller (202), the top outer lane rigid coupling of traveller (202) has a plurality of (203) of inserting, the lateral wall of (203) of inserting and the inner wall sliding fit of spacing groove (205), be provided with No. three spring (204) between the inside bottom surface of the inside top surface of cover post (201) and traveller (202).
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| CN112760637A (en) * | 2020-12-24 | 2021-05-07 | 天津市机械涂层研究所有限责任公司 | Remanufacturing and repairing method for failed gas turbine blade |
| CN113322468B (en) * | 2021-05-25 | 2023-03-28 | 合肥学院 | Surface strengthening method for improving wear resistance of titanium-zirconium-based alloy |
| CN215390313U (en) * | 2021-06-30 | 2022-01-04 | 常州万代超硬材料有限公司 | Surface spraying tool for diamond grinding wheel machining |
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