CN101885061A - Titanizing equipment and method for superhard material - Google Patents
Titanizing equipment and method for superhard material Download PDFInfo
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- CN101885061A CN101885061A CN 201010223217 CN201010223217A CN101885061A CN 101885061 A CN101885061 A CN 101885061A CN 201010223217 CN201010223217 CN 201010223217 CN 201010223217 A CN201010223217 A CN 201010223217A CN 101885061 A CN101885061 A CN 101885061A
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Abstract
The invention discloses titanizing equipment and a titanizing method for superhard material. The titanizing equipment comprises a furnace shell, a vacuum heating chamber and a temperature controller, wherein a plurality of heating areas are arranged in the vacuum heating chamber; and a thermoelectric couple and a pressure regulator are arranged in each heating area. In the titanizing equipment, the excellent effects of uniform titanizing layers, high titanizing quality, quick evaporation speed, high evaporation efficiency and little energy consumption are achieved by a method of ultravacuum evaporation under the action of a binding agent formed by mixing ethanol, butyl alcohol and glycerol and.
Description
Technical field
The invention belongs to the surface of ultra-hard material processing technology field, is a kind of superhard material titanizing equipment and method.
Background technology
In known tool made of superhard material manufacturing technology,, improve the bond strength of superhard material crystal grain and its tool base metal material effectively by the chemical bonding effect usually at the surface of superhard material plating layer of metal titanium.By the buffer action of coating to superhard material, make superhard material when high temperature sintering and high temperature grinding, avoid the erosion of air and bond, prolong the service life of instrument, improve working (machining) efficiency.Prior art is carried out the method that the superhard material titanizing generally adopts: superhard material titanizing crystal grain is added titanium valve, after mechanical mixture, pour rustless steel container into, put into the heating of titanizing stove vacuum chamber again, make Titanium under evaporating state, carry out plating superhard material.This titanizing method is because the restriction of equipment and process, general single output has only thousands of carats, be unsuitable for large-scale production, cost is higher relatively, quality is lower, the subject matter of its existence is: 1) because surface of ultra-hard material is smooth, titanium valve is difficult for stablizing, being distributed in equably the surface of superhard material when batch mixing, causes the titanizing layer thickness inhomogeneous; 2) titanizing stove vacuum chamber thermograde is big, the titanizing poor product quality; 3) pumpdown time is long when titanizing stove vacuum chamber volume is big, and power consumption height, and vacuum is low influences the fastness that combines of titanizing efficient and titanizing layer and superhard material.
Summary of the invention
What the purpose of this invention is to provide a kind of titanizing efficient height, titanizing layer and superhard material combines jail, the uniform superhard material titanizing equipment of titanizing layer and method.
The technical solution used in the present invention is for achieving the above object: this titanizing equipment comprises furnace shell, vacuum heating chamber and temperature controller, and wherein, vacuum heating chamber is provided with several thermals treatment zone, and each thermal treatment zone is provided with thermocouple, pressure regulator.
Described vacuum heating chamber is provided with sliding valve vacuum pump and molecular pump.
Superhard material titanizing method of the present invention is to carry out according to the following steps:
1) preparation adhesive: get respectively purity at the ethanol more than 98%, purity in the butanols more than 98% and purity at the glycerine more than 98%, mix in the weight portion proportioning injection mixer by 85～90 parts of ethanol, 8～10 parts in butanols, 3～4 parts of glycerine, it is standby to make fluid binder;
2) preparation compound: difference taking adhesive solution, titanium valve and superhard material to be plated, insert in the mixer by the weight portion proportioning of 0.8～1.2 part of binder solution, 20～22 parts of titanium valves, 100～150 parts of superhard materials and to mix, it is standby to make compound;
3) heating evaporation: the compound branch of preparation is packed in the stainless steel cask, and the heating in vacuum of inserting described titanizing equipment is indoor, opens sliding valve vacuum pump and molecular pump, makes the indoor vacuum of heating in vacuum reach 10
-4Pa, heating simultaneously makes temperature rise to 630 ℃, and the empty insulation of fidelity 2 hours is released vacuum and is cooled to normal temperature with the furnace, screens out useless titanium valve and gets final product.
Superhard material titanizing equipment of the present invention and method are applicable to the industrial-scale production of superhard material titanizings such as diamond synthesis, cubic boron nitride, and its beneficial effect is:
1) detects and control by subregion, overcome the excessive problem of the indoor thermograde of heating in vacuum, thereby improved the evaporating quality of superhard material titanizing vacuum heating chamber;
2) this equipment adopts sliding valve vacuum pump and molecular pump two-stage to vacuumize, and the vacuum of evaporate process is improved greatly, has accelerated evaporation rate, has improved evaporation efficient, has realized the reduction of evaporation temperature and the saving of the energy simultaneously;
3) in the evaporation production process, with addition of adhesive is arranged, this adhesive all is inertia to superhard material, titanium valve, steel, each assembly of plating equipment, not only to titanizing quality and titanizing equipment without any harmful effect, and heating back noresidue, solved the homogeneity question of batch mixing in enormous quantities simultaneously, and titanizing layer uniformity, plating efficient and plating quality are significantly improved.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Referring to Fig. 1, titanizing equipment of the present invention is the improvement to existing titanizing equipment, this equipment comprises furnace shell 1, vacuum heating chamber and temperature controller 6, wherein, in indoor several thermals treatment zone 4 that is provided with of heating in vacuum, each thermal treatment zone 4 is equipped with thermocouple 5, and the temperature of each thermal treatment zone 4 is detected in real time, and be provided with pressure regulator 8, be used for the control of heating-up temperature in the thermal treatment zone 4.Vacuum heating chamber is communicated with sliding valve vacuum pump 2 and molecular pump 3, the indoor vacuum of heating in vacuum is improved greatly, improve the titanizing quality of superhard material thus, strengthen the fastness that combines of titanizing layer and superhard material crystal grain, can reduce simultaneously the heating-up temperature of evaporate process, the consumption of energy savings, number in the figure 7 is a heating element heater.Below in conjunction with embodiment superhard material titanizing method of the present invention is described further:
Embodiment 1
Superhard material titanizing method is: get at first respectively purity at the ethanol more than 98%, purity in the butanols more than 98% and purity at the glycerine more than 98%, mix in the weight portion proportioning injection mixer by 85 parts of ethanol, 8 parts in butanols, 3 parts of glycerine, make fluid binder.Then, respectively taking adhesive solution, titanium valve and superhard material to be plated are inserted in the mixer by the weight portion proportioning of 0.8 part of binder solution, 20 parts of titanium valves, 100 parts of superhard materials and to be mixed, when mixing, earlier superhard material is poured in the mixer, stir on the limit, and limit stream adds binder solution, stirs, wetting with adhesive superhard material crystal grain, add titanium valve again and mix, make compound, titanium valve promptly evenly adheres to smooth surface of ultra-hard material.At last, pack in several stainless steel casks the compound branch of preparation and compacting, the heating in vacuum of inserting described titanizing equipment is indoor, opens sliding valve vacuum pump 2 and molecular pump 3, makes the indoor vacuum of heating in vacuum reach 10
-4Pa, heating simultaneously makes temperature rise to 630 ℃, and the empty insulation of fidelity 2 hours is released vacuum and is cooled to normal temperature with the furnace, screens out useless titanium valve and gets final product.Wherein with addition of adhesive superhard material, titanium valve, steel and each assembly of described titanizing equipment all are inertia, the noresidue of heating back.This method can solve the homogeneity question of batch mixing in enormous quantities, and significantly improves titanizing layer uniformity, improves plating efficient and plating quality.
Embodiment 2
The superhard material titanizing method of present embodiment is substantially the same manner as Example 1, and difference only is: during the preparation fluid binder, the weight portion proportioning of each component raw material is: 87 parts of ethanol, 9 parts in butanols, 3.5 parts of glycerine; During the preparation compound, the weight portion proportioning of each component raw material is: 1.0 parts of binder solutions, 21 parts of titanium valves, 130 parts of superhard materials.
The superhard material titanizing method of present embodiment is substantially the same manner as Example 1, and difference only is: during the preparation fluid binder, the weight portion proportioning of each component raw material is: 90 parts of ethanol, 10 parts in butanols, 4 parts of glycerine; During the preparation compound, the weight portion proportioning of each component raw material is: 1.2 parts of binder solutions, 22 parts of titanium valves, 150 parts of superhard materials.
Claims (3)
1. superhard material titanizing equipment, this titanizing equipment comprises furnace shell, vacuum heating chamber and temperature controller, and wherein, vacuum heating chamber is provided with several thermals treatment zone, and each thermal treatment zone is provided with thermocouple, pressure regulator.
2. superhard material titanizing equipment according to claim 1 is characterized in that: described vacuum heating chamber is provided with sliding valve vacuum pump and molecular pump.
3. superhard material titanizing method that is used for the described superhard material titanizing equipment of claim 1, it is characterized in that: this method is to carry out according to the following steps:
1) preparation adhesive: get respectively purity at the ethanol more than 98%, purity in the butanols more than 98% and purity at the glycerine more than 98%, mix in the weight portion proportioning injection mixer by 85～90 parts of ethanol, 8～10 parts in butanols, 3～4 parts of glycerine, it is standby to make fluid binder;
2) preparation compound: difference taking adhesive solution, titanium valve and superhard material to be plated, insert in the mixer by the weight portion proportioning of 0.8～1.2 part of binder solution, 20～22 parts of titanium valves, 100～150 parts of superhard materials and to mix, it is standby to make compound;
3) heating evaporation: the compound branch of preparation is packed in the stainless steel cask, and the heating in vacuum of inserting described titanizing equipment is indoor, opens sliding valve vacuum pump and molecular pump, makes the indoor vacuum of heating in vacuum reach 10
-4Pa, heating simultaneously makes temperature rise to 630 ℃, and the empty insulation of fidelity 2 hours is released vacuum and is cooled to normal temperature with the furnace, screens out useless titanium valve and gets final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010223217A CN101885061B (en) | 2010-07-12 | 2010-07-12 | Titanizing equipment and method for superhard material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010223217A CN101885061B (en) | 2010-07-12 | 2010-07-12 | Titanizing equipment and method for superhard material |
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| CN101885061A true CN101885061A (en) | 2010-11-17 |
| CN101885061B CN101885061B (en) | 2012-10-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242341A (en) * | 2011-07-01 | 2011-11-16 | 中南钻石股份有限公司 | High-temperature-resistant titanium film super-hard composite material and production process thereof |
-
2010
- 2010-07-12 CN CN201010223217A patent/CN101885061B/en not_active Expired - Fee Related
Non-Patent Citations (4)
| Title |
|---|
| 《材料开发与应用》 19980228 杨广等 金刚石用真空混料沉积反应法镀钛的研究 28-30 1-3 第13卷, 第1期 2 * |
| 《真空》 20080530 曹彦祥 大型真空电阻炉的研制 34-36 1-3 第45卷, 第3期 2 * |
| 《超硬材料工程》 20081031 贾攀等 金刚石镀钛层的结构讨论 5-8 1-3 第20卷, 第5期 2 * |
| 《金刚石与磨料磨具工程》 19981231 王艳辉等 金刚石真空微蒸发镀钛技术新进展及应用 2-6 3 , 第3期 2 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242341A (en) * | 2011-07-01 | 2011-11-16 | 中南钻石股份有限公司 | High-temperature-resistant titanium film super-hard composite material and production process thereof |
| CN102242341B (en) * | 2011-07-01 | 2013-08-21 | 中南钻石股份有限公司 | High-temperature-resistant titanium film super-hard composite material and production process thereof |
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| CN101885061B (en) | 2012-10-03 |
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Owner name: ZHONGNAN DIOMAND CO., LTD. Free format text: FORMER NAME: ZHONGNAN DIAMOND CO., LTD. |
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Address after: Fangcheng County of Nanyang City, Henan province 473264 box 101 Patentee after: ZHONGNAN DIAMOND CO., LTD. Address before: Fangcheng County of Nanyang City, Henan province 473264 box 101 Patentee before: Zhongnan Diamond Co., Ltd. |
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