CN210146665U - Beryllium copper alloy wire take-up roller - Google Patents
Beryllium copper alloy wire take-up roller Download PDFInfo
- Publication number
- CN210146665U CN210146665U CN201920949247.6U CN201920949247U CN210146665U CN 210146665 U CN210146665 U CN 210146665U CN 201920949247 U CN201920949247 U CN 201920949247U CN 210146665 U CN210146665 U CN 210146665U
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- China
- Prior art keywords
- copper alloy
- beryllium copper
- mandrel
- wear
- roller
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- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 43
- 239000011248 coating agent Substances 0.000 claims abstract description 35
- 238000000576 coating method Methods 0.000 claims abstract description 35
- 230000007797 corrosion Effects 0.000 claims abstract description 7
- 238000005260 corrosion Methods 0.000 claims abstract description 7
- 229910001208 Crucible steel Inorganic materials 0.000 claims abstract description 5
- 238000007751 thermal spraying Methods 0.000 claims description 19
- 239000000919 ceramic Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 7
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 abstract description 21
- 239000000463 material Substances 0.000 abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052802 copper Inorganic materials 0.000 abstract description 6
- 239000010949 copper Substances 0.000 abstract description 6
- 238000007788 roughening Methods 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 230000006378 damage Effects 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 229910019408 CoWO4 Inorganic materials 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000009718 spray deposition Methods 0.000 description 1
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- Coating By Spraying Or Casting (AREA)
Abstract
The utility model discloses a line cylinder is received to beryllium copper alloy wire, this kind of beryllium copper alloy wire receive line cylinder include dabber and interchangeable wear-resisting overcoat, and its wear-resisting overcoat includes that suit is at the epaxial tube-shape base member of dabber and the shaping combined material layer on tube-shape base member layer surface, the tube-shape base member is cast steel or the fashioned sleeve structure of carbide steel, and the side opening is opened in it to in trompil position suit the dabber, the tube-shape base member is made the corrosion treatment or the frosting of roughening and is handled to it has one deck beryllium copper alloy layer and one deck hot spraying WC-10Co4Cr coating to take shape in proper order on corrosion surface or frosting surface. The utility model discloses can effectively improve the smoothness degree and the continuity that beryllium copper alloy line received the line to reduce beryllium copper alloy line and be stained with the copper loss and to the destruction on beryllium copper alloy line surface on receiving the line cylinder.
Description
Technical Field
The utility model relates to a line roller bearing technical field is received to alloy silk line specifically is a beryllium copper alloy line of high wear resistance and not account for copper receives line cylinder.
Background
In the traditional copper alloy single-mode or multi-mode wire drawing operation, a take-up roller generally uses cast steel or alloy steel, and the cast steel or alloy steel roller made of a single material is easy to be stained with copper on the surface in the drawing process of a beryllium copper alloy wire with high strength and high hardness in the using process, so that the surface quality of the wire drawing wire is influenced, frequent grinding and polishing treatment is needed, the loss is very large, the wire drawing roller is not durable, and the labor intensity of operators is greatly increased.
The roller is also made of high-wear-resistance materials or the outer side surface of the roller is wrapped with a wear-resistance material layer for improvement, the improvement is usually that specific hard alloy powder, high-Cr alloy powder or ceramic materials are formed in a casting WC spraying or surfacing forming mode, the structures can increase the cost to different degrees, and when the traditional wear-resistance materials act on the surface of the roller, beryllium copper alloy wires with high strength and high hardness can still be damaged, only the loss is slowed down, and the copper adhering amount is reduced, so that the roller is still not suitable for being used as a take-up roller of the beryllium copper alloy wires; the surface of the roller is also enhanced by WC +10Co +4Cr materials, but the enhancement mode only directly carries out direct spray enhancement between rollers or roller marks, raw material powder with the granularity of 15-35 nm is adopted for carrying out the spray process, the limitation is large, the microhardness of a spray coating can only reach about 1000-plus 1100 HV, the requirement of beryllium copper products on wear resistance cannot be met, the surface with the coarse granularity still can be adhered with copper, the subsequent processing workload is still increased, meanwhile, the porosity of the coating surface of the coating can be obviously increased and microcracks appear after the coating surface is used for a long time, and the continuous expansion of the microcracks can directly cause the peeling and the failure of the coating.
Disclosure of Invention
The technical problem solved by the utility model is to provide a beryllium copper alloy wire take-up roller to solve the shortcomings in the background technology.
The utility model provides a technical problem adopt following technical scheme to realize:
the beryllium copper alloy wire take-up roller comprises a mandrel and a replaceable wear-resistant outer sleeve, wherein the wear-resistant outer sleeve comprises a cylindrical base body sleeved on the mandrel and a composite material layer formed on the surface of the cylindrical base body layer, the cylindrical base body is of a sleeve structure formed by cast steel or hard alloy steel, the inner side of the cylindrical base body is provided with a hole, the cylindrical base body is sleeved on the mandrel at the position of the hole, the cylindrical base body is subjected to roughening corrosion treatment or grinding treatment, and a beryllium copper alloy layer and a thermal spraying WC-coated WC-10Co4Cr coating are sequentially formed on the surface of a corrosion surface or the surface of a grinding surface.
The beryllium copper alloy layer is formed by a powder metallurgy method, and the forming thickness is 200-300 mu m.
The further limitation is that the spraying thickness of the hot spraying WC-10Co4Cr coating is 15-20 mu m.
The raw material formed in the thermal spraying WC-10Co4Cr coating is an ultra-fine grain WC +10Co +4Cr raw material with the grain size of 0.6nm, and the raw material is subjected to spray forming on the surface of the beryllium copper alloy layer through a plasma thermal spraying gun with the preset nozzle temperature of 2650-2800 ℃ under the protection of argon.
The WC raw material adopted in the hot spraying WC-10Co4Cr coating is WC subjected to TaC heat treatment, the heat treatment mode is that TaC accounting for 3-5 per mill of the weight of WC is added into the WC raw material, then the mixture is subjected to vacuum heat treatment at 1300-1500 ℃, and the WC raw material treated by the heat treatment mode can inhibit the growth effect of WC grains in the subsequent heat treatment process through the TaC which is a rare metal carbide, so that the formed ultrafine grains after the hot spraying WC-10Co4Cr coating is kept, the friction coefficient of the coating is further ensured, and the hardness, strength and oxidation resistance of the coating are improved.
As a further limitation, the mandrel comprises a mandrel body, an annular groove is formed on the mandrel body, a detachable ceramic bearing is formed in the annular groove, and the outer diameter of the ceramic bearing is consistent with the inner diameter of the wear-resistant outer sleeve and abuts against the wear-resistant outer sleeve.
As a further limitation, the mandrel comprises a mandrel body, the mandrel body is in clearance fit with the wear-resistant outer sleeve and is closed at two ends, and lubricating oil or lubricating grease is filled between the mandrel body and the wear-resistant outer sleeve.
The utility model discloses make full use of beryllium copper alloy tensile strength is high, the high peculiar physical properties of hardness, the high ductility of cooperation material is shaped on the cylinder surface, and the cooperation has been applied carbide plasma thermal spraying surface treatment technique and has been handled, adopt reasonable parameter setting during the processing, utilize thermal spraying equipment to spout the surface of attaching to the work piece with spraying powder, the plasma thermal spraying rifle that utilizes preset nozzle temperature carries out surface spraying, thermal spraying powder availability factor has been improved, in the spraying twinkling of an eye, the temperature is up to 2650~2800 ℃, through several milliseconds, or shorter time, will cool down to within 200 ℃ and shaping, and utilize this kind of forming means to guarantee the material performance of beryllium copper alloy when beryllium copper alloy surface shaping high performance thermal spraying WC-10Co4Cr coating as far as possible. The selected WC +10Co +4Cr material with the ultrafine grains with the granularity of 0.6nm is matched to customize hard alloy spraying powder, and the wear resistance and the smoothness of the roller can be effectively improved and the service life of the roller can be effectively prolonged after the surface is subjected to the hard alloy thermal spraying treatment technology.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Wherein: 1. hot spraying WC-10Co4Cr coating; 2. a beryllium-copper alloy layer; 3. a cylindrical base; 4. a mandrel body; 5. a ceramic bearing.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Referring to fig. 1, a preferred embodiment of the beryllium copper alloy wire take-up roller is a preferred technical scheme considering cost and assembly process conditions, and comprises a mandrel and a replaceable wear-resistant outer sleeve, wherein the mandrel comprises a mandrel shaft body 4, an annular groove is formed on the surface of the mandrel shaft body 4, a detachable ceramic bearing 5 is formed in the annular groove, the outer diameter of the ceramic bearing 5 is consistent with the inner diameter of a cylindrical base body 3 of the wear-resistant outer sleeve, and the ceramic bearing 5 abuts against the cylindrical base body 3 after assembly is completed; when the beryllium copper alloy wire take-up roller takes up wires, the mandrel shaft body 4 and the cylindrical base body 3 of the wear-resistant outer sleeve can keep rotating relatively so as to improve the continuity of take-up wires, prevent self-locking and reduce wear, and the selection and the use of the ceramic bearing 5 can effectively improve the temperature change resistance and the weather resistance and are convenient to detach and replace.
In another embodiment, in order to obtain a better take-up effect of the beryllium copper alloy wire, the mandrel shaft body 4 is in clearance fit with the cylindrical base body 3 of the wear-resistant outer sleeve by the cylindrical shaft body and is sealed by the sealing covers at two ends, and lubricating oil or lubricating grease is filled in a clearance space between the mandrel shaft body 4 and the cylindrical base body 3.
In the two embodiments, the wear-resistant outer sleeves have the same structure and are replaceable structures, and each wear-resistant outer sleeve comprises a cylindrical base body 3, a beryllium copper alloy layer 2 formed on the surface of the cylindrical base body 3 and a thermal spray WC-10Co4Cr coating 1, wherein the surface of the cylindrical base body 3 is subjected to roughening corrosion treatment, the beryllium copper alloy layer 2 is formed on the surface of the cylindrical base body 3, the forming thickness of the beryllium copper alloy layer 2 is 300 microns, and the beryllium copper alloy layer 2 is formed on the surface of the cylindrical base body 3 in a powder metallurgy mode; the hot spraying WC-10Co4Cr coating 1 is prepared by using superfine crystal grain WC +10Co +4Cr with the grain size of 0.6nm as a raw material, and directly spraying the raw material on the surface of the beryllium-copper alloy layer 2 by a plasma hot spraying gun, wherein the spraying thickness is 18 mu m.
The surface hardness of the hot-sprayed WC-10Co4Cr coating 1 prepared under the process conditions is 1350HV, the take-up requirement of beryllium copper wires can be effectively met, and compared with a roller which is directly sprayed with a hot-sprayed WC-10Co4Cr coating with the granularity range of 15-35 nm on the surface of a roller in the market, the copper adhesion amount in unit time is 1/3-1/4 of that of the roller which is directly sprayed with the hot-sprayed WC-10Co4Cr coating with the granularity range of 15-35 nm on the surface of the roller.
Additionally, in the examples, thermal spray WC-10Co4Cr coating 1 employed thermal spray embodiments for optimal coating performance: the method comprises the following steps of spraying and forming an ultra-fine grain WC +10Co +4Cr raw material with the granularity of 0.6nm on the surface of a beryllium-copper alloy layer 2 through a plasma thermal spraying gun with a preset nozzle temperature of 2700 ℃ under the environment protection of argon, wherein the reason is that:
the WC-10Co4Cr coating is directly subjected to high-temperature heat treatment in the air, the oxidation is easy to occur on the surface, the content of WC, Co and Cr phases in the coating is gradually reduced, and the WC, Co and Cr phases are converted into CoWO4、Cr2O5、C6WO6And after Ar protection, the coating is only subjected to the action of high temperature in the heat treatment process, the coating is not obviously oxidized, the WC phase in the coating is more uniformly distributed in the Co phase and the Cr phase, the surface of the coating obtains more uniform microhardness distribution, the microhardness value is obviously improved, the microhardness of a spraying layer can reach 1500HV, the dry wear resistance and the silt erosion resistance of the coating are greatly improved, and the excellent bonding strength of the beryllium copper alloy layer 2 can be maintained.
The plasma thermal spraying gun can effectively improve the service efficiency (deposition efficiency) of thermal spraying powder to 65-70% higher, because the deposition efficiency and the coating hardness are in a certain negative linear relation, and the deposition efficiency of other types of thermal spraying guns can not exceed 60%.
Meanwhile, according to the characteristics of high tensile strength (> 1200 MPa), high hardness (400 HV), high ductility and the like of the beryllium copper alloy, the thermal spraying WC-10Co4Cr coating 1 is sprayed on the surface of the beryllium copper alloy layer 2 by applying a plasma thermal spraying surface treatment technology, and the ultra-fine grain WC +10Co +4Cr raw material with the grain size of 0.6nm can be cooled to within 200 ℃ in a way of presetting the temperature by using a plasma thermal spraying gun, so that the performance of the beryllium copper alloy layer 2 can not be changed by thermal spraying powder, and the tensile strength, the hardness and the ductility of the beryllium copper alloy layer 2 can be effectively utilized to improve the wear resistance, the smoothness and the service life of the thermal spraying WC-10Co4Cr coating 1.
In addition, before the hot spraying of the WC-10Co4Cr coating 1, TaC accounting for 4 per mill of the mass of WC is added into the WC raw material serving as the hot spraying WC-10Co4Cr coating 1, then the mixture is subjected to vacuum heat treatment at 1350 ℃, the WC raw material with uniform internal structure is obtained after being naturally cooled along with a furnace after being treated for 30-40 min, the growth effect of WC grains in the sintering process can be effectively inhibited, and at the moment, the WC raw material is mixed with other Co + Cr raw materials to be subjected to plasma hot spraying treatment, so that the friction coefficient of the material in the stamping process can be reduced, and the high-temperature hardness, the high-temperature strength and the oxidation resistance of the material are improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The beryllium copper alloy wire take-up roller is characterized by comprising a mandrel and a replaceable wear-resistant outer sleeve, wherein the wear-resistant outer sleeve comprises a cylindrical base body and a composite material layer, the cylindrical base body is sleeved on the mandrel, the composite material layer is formed on the surface of the cylindrical base body layer, the cylindrical base body is of a sleeve structure formed by cast steel or hard alloy steel, the inner side of the cylindrical base body is provided with a hole, the cylindrical base body is sleeved on the mandrel at the position of the hole, the cylindrical base body is subjected to roughened corrosion treatment or grinding treatment, and a beryllium copper alloy layer and a thermal spraying WC-10Co4Cr coating are sequentially formed on the surface of a corrosion surface or the.
2. The beryllium-copper alloy wire take-up roller as claimed in claim 1, wherein the beryllium-copper alloy layer has a profile thickness of 200 to 300 μm.
3. The beryllium copper alloy wire take-up roller as claimed in claim 1, wherein the spray thickness of the thermal spray WC-10Co4Cr coating is 15-20 μm.
4. The beryllium copper alloy wire take-up roller as claimed in claim 1, wherein the mandrel comprises a mandrel body, an annular groove is formed on the mandrel body, a detachable ceramic bearing is formed in the annular groove, and the outer diameter of the ceramic bearing is consistent with the inner diameter of the wear-resistant outer sleeve and abuts against the wear-resistant outer sleeve.
5. The beryllium copper alloy wire take-up roller as claimed in claim 1, wherein the mandrel comprises a mandrel body, the mandrel body is in clearance fit with the wear-resistant outer sleeve and is closed at two ends, and lubricating oil or lubricating grease is filled between the mandrel body and the wear-resistant outer sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920949247.6U CN210146665U (en) | 2019-06-24 | 2019-06-24 | Beryllium copper alloy wire take-up roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920949247.6U CN210146665U (en) | 2019-06-24 | 2019-06-24 | Beryllium copper alloy wire take-up roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210146665U true CN210146665U (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920949247.6U Active CN210146665U (en) | 2019-06-24 | 2019-06-24 | Beryllium copper alloy wire take-up roller |
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| Country | Link |
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| CN (1) | CN210146665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125198A (en) * | 2019-06-24 | 2019-08-16 | 株洲艾美新材料有限公司 | A kind of beallon line take-up roller |
-
2019
- 2019-06-24 CN CN201920949247.6U patent/CN210146665U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125198A (en) * | 2019-06-24 | 2019-08-16 | 株洲艾美新材料有限公司 | A kind of beallon line take-up roller |
| CN110125198B (en) * | 2019-06-24 | 2024-02-13 | 株洲艾美新材料有限公司 | Beryllium copper alloy wire take-up roller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A take-up drum for beryllium-copper alloy wire Effective date of registration: 20230117 Granted publication date: 20200317 Pledgee: Agricultural Bank of China Limited Zhuzhou High-tech Development Zone Sub-branch Pledgor: ZHUZHOU AMALLOY MATERIAL Co.,Ltd. Registration number: Y2023980031272 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200317 Pledgee: Agricultural Bank of China Limited Zhuzhou High-tech Development Zone Sub-branch Pledgor: ZHUZHOU AMALLOY MATERIAL Co.,Ltd. Registration number: Y2023980031272 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A type of beryllium copper alloy wire winding drum Granted publication date: 20200317 Pledgee: Agricultural Bank of China Limited Zhuzhou branch Pledgor: ZHUZHOU AMALLOY MATERIAL Co.,Ltd. Registration number: Y2024980012175 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |