CN105603362A - Center device with hardness-strengthened conical cusp - Google Patents
Center device with hardness-strengthened conical cusp Download PDFInfo
- Publication number
- CN105603362A CN105603362A CN201610007964.8A CN201610007964A CN105603362A CN 105603362 A CN105603362 A CN 105603362A CN 201610007964 A CN201610007964 A CN 201610007964A CN 105603362 A CN105603362 A CN 105603362A
- Authority
- CN
- China
- Prior art keywords
- cone tip
- top heart
- cone
- thimble
- hardness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0605—Carbon
- C23C14/0611—Diamond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0641—Nitrides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physical Vapour Deposition (AREA)
Abstract
The invention discloses a center device with a hardness-strengthened conical cusp. The center device is provided with a center handle and a center combined with the center handle. The center is provided with the conical cusp in a conical tip shape. The PVD film coating technology is adopted for depositing a thin film shaped coating film layer on the surface of the conical cusp; by means of the coating film layer with the high hardness, high abrasion resistance and high corrosion resistance, the hardness and the abrasion resistance of the conical cusp are greatly improved, the durable service life of the conical cusp is greatly prolonged, and the requirement of a tool machine for high-rotating-speed machining can be sufficiently met.
Description
Technical field
The present invention relates to a kind of push pin device that is applied to the toolroom machine such as lathe or grinding machine, particularly relate to a kind of cone tipThe push pin device of hardness strengthening.
Background technology
Thimble (Lathecenter is also called the top heart, top) is the tailstock that is installed in the toolroom machine such as lathe or grinding machine, profitLean the mode in heart hole, the top of machined object end with thimble, can strengthen the clamping stability of machined object, raising instrumentMach stationarity and accuracy. Wherein, thimble according to function and usage roughly divide into common thimble, thimble, use for smallclothesLack thimble, rotation thimble for high rotating speed cutting in half of cutting end face, and for managing or the umbrella shape thimble of hollow cylinderEtc. several forms, be illustrated in figure 8 a kind of existing half and lack fixing thimble 90, this thimble 90 comprises that one is installed in work in order to plantThe thimble taper shank 91 of tool tail seat and one is in order to lean at the top of the machined object heart 92, and the end of this top heart 92 forms a cone tip shapeCone tip 921.
Existing thimble 90 normally with high rotating speed steel (HighSpeedSteel) or wolfram steel (carbide alloy,CementedCarbide) make; Wherein, the hardness of high-speed steel thimble own is inadequate, and surface abrasion is fast, poor durability; Wolfram steelAfter thimble is the materials processing by iron, through Overheating Treatment, the mode (being generally silver soldering or brazing) of recycling hard solder (brazing)Wolfram steel is welded on to material and burn-ons, the carbide and the alloying element that contain high level due to wolfram steel, and must make when weldingWith high temperature, will allow originally heat treated material weldering produce the phenomenon of tempering, cause without rigidity, so wolfram steel thimble existsAt a high speed, easily there is hardened structure and crackle and cannot bear the load of gravity cutting, cause the processing rotating speed of toolroom machine to be subject toRestriction, can only process with lower rotating speed, is difficult to give full play to the processing usefulness of toolroom machine.
Summary of the invention
For solving the cone tip hardness deficiency of existing thimble, easily there is be full of cracks or lacerated wound because of rotating speed and pressureProblem, the present invention proposes a kind of push pin device of boring the strengthening of tip hardness, and the present invention adopts PVD coating technique in thimbleThe cone tip of device forms a film plating layer, utilizes the film plating layer with high rigidity, high-wearing feature and highly corrosion resistant, significantly carriesHardness and the abrasion performance ability of high cone tip, effectively solve every technology that existing thimble produces because cone tip hardness is not enoughProblem.
The object of the invention is to adopt following technical scheme to realize.
The push pin device of the cone tip hardness strengthening proposing according to the present invention, it has a top heart handle and and is incorporated into this topThe top heart of heart handle, this top heart has the cone tip of a cone tip shape, adopts PVD coating technique to form at the surface deposition of this cone tipThe film plating layer of one film-form.
Preferably, the surface that wherein connects this cone tip position in surface and this top heart of described cone tip all deposits shapeBecome described film plating layer.
Preferably, wherein said cone tip forms a heat treatment sclerosis portion.
Preferably, the wherein said top heart has thimble, and this thimble has described cone tip, in comprising this coneThe surface deposition of whole this center pin of tip forms described film plating layer.
Preferably, the wherein said top heart has a center pin, and this center needle set has described cone tip, in comprising this coneThe surface deposition of whole this center pin of tip forms described film plating layer.
Preferably, wherein said film plating layer is that titanium nitride (TiN) and thickness are 0.3 μ m～5 μ m.
Preferably, wherein said film plating layer is that DLC film (DLC) and thickness are 0.3 μ m～5 μ m.
The beneficial effect that technical scheme proposed by the invention can obtain comprises:
1. the present invention is provided with film plating layer in the cone tip of push pin device, utilize film plating layer have high rigidity, high-wearing feature andThe characteristic of highly corrosion resistant, increases substantially hardness, abrasion performance ability and the Durability of boring tip.
2. the present invention improves the hardness of the cone tip of strengthening push pin device with film plating layer, and push pin device can fully be coordinatedThe high rotating speed processing request of toolroom machine, effectively solves existing thimble and can cause the confined problem of toolroom machine process velocity, dark toolIndustrial utilization.
Below coordinate accompanying drawing and the preferred embodiments of the present invention, further set forth the present invention and taked by reaching predetermined objectTechnological means.
Brief description of the drawings
Fig. 1 is the schematic perspective view that the present invention is applied to fixed rotation thimble.
Fig. 2 is the semi-section structural representation that the present invention is applied to the top heart of fixed rotation thimble.
Fig. 3 is the schematic perspective view that the present invention is applied to accurate path rotation thimble.
Fig. 4 is the schematic perspective view that the present invention is applied to cone tip alternate form rotation thimble.
Fig. 5 is the schematic perspective view that the present invention is applied to the fixed transmission thimble of tooth portion alternate form end face.
Fig. 6 is the schematic perspective view that the present invention is applied to the floating type transmission thimble of tooth portion alternate form end face.
Fig. 7 is the schematic perspective view that the present invention is applied to the preferred embodiment of half scarce fixing thimble.
Fig. 8 is the stereogram of existing half scarce fixing thimble.
Wherein, Reference numeral:
10 top heart handle 11 taper shank portions
12 sleeves
20 top heart 20A thimble
20B center pin 21 is bored tip
22 heat treatment sclerosis portions
30 film plating layers
90 thimble 91 thimble taper shanks
The 92 top hearts 921 are bored tip
Detailed description of the invention
The preferred embodiment that is applied to as shown in Figures 1 and 2 fixed rotation thimble for the present invention, this push pin device hasOne top heart handle 10 and one is can pass on combination of shape and state in the top heart 20 of this top heart handle 10; Wherein, this top heart handle 10 is provided with one and is coneThe taper shank portion 11 of shape column, this top heart handle 10 can be installed and be incorporated into toolroom machine tailstock with this taper shank portion 11; This top heart 20 isMake with steel such as high rotating speed steel or wolfram steel, there is a cone tip shape and can be in order to be resisted against the cone tip 21 of machined object, andCan utilize heat treatment means to improve the steel hardness at these cone tip 21 positions and form a heat treatment sclerosis portion 22.
The present invention adopts PVD (PhysicalVaporDeposition, physical vapour deposition (PVD)) coating technique, on this topThe surface deposition of the cone tip 21 of the heart 20 forms the film plating layer 30 of a film-form, and preferred, this film plating layer 30 can further prolongReach the surface that this top heart 20 connects these cone tip 21 positions, this film plating layer 30 can be titanium nitride (TiN), titanium carbonitride(TiCN), TiAlN (TiAlN), chromium nitride (CrN) or DLC film (DLC) etc., the general about 0.3 μ m of its thickness～5 μ m and have high rigidity, high-wearing feature (low-friction coefficient), the good characteristic such as corrosion resistance and chemical stability, canIn the case of can affecting hardly original size of this cone tip 21, increase substantially the hardness of the cone tip 21 of this top heart 20And abrasion performance, allow the fully high rotating speed processing request of engagement tool machine and the durable longevity of raising push pin device of push pin deviceLife.
Be illustrated in figure 3 the preferred embodiment that the present invention is applied to accurate path rotation thimble, this push pin device has oneTop heart handle 10 and one to be can pass on combination of shape and state in the top heart 20 of this top heart handle 10, and this top heart handle 10 is provided with a tapered columnTaper shank portion 11, this top heart 20 has the cone tip 21 of a cone tip shape, and adopt PVD coating technique this cone tip 21 surface andThis top heart 20 connects the surface at these cone tip 21 positions, and all deposition forms the film plating layer 30 of a film-form.
Be illustrated in figure 4 the preferred embodiment that the present invention is applied to tip alternate form rotation thimble, this push pin device hasOne top heart handle 10 and one is can pass on combination of shape and state in the top heart 20 of this top heart handle 10, and this top heart handle 10 is provided with a tapered columnTaper shank portion 11, this top heart 20 in working end with removably in conjunction with being provided with the sub-20A of a thimble, the sub-20A of this thimble has oneThe cone tip 21 of cone tip shape, and adopt PVD coating technique comprising the surface deposition of the sub-20A of whole this thimble of this cone tip 21Form the film plating layer 30 of a film-form.
Be illustrated in figure 5 the preferred embodiment that the present invention is applied to the fixed transmission thimble of tooth portion alternate form end face, this topNeedle device has a top heart handle 10 and can pass on combination of shape and state in the top heart 20 of this top heart handle 10, and this top heart handle 10 is provided with oneThe taper shank portion 11 of tapered column, is arranged with a sleeve 12 in this taper shank portion 11, this top heart 20 in working end with removablyIn conjunction with being provided with a center pin 20B, this center pin 20B has the cone tip 21 of a cone tip shape, and adopts PVD coating technique comprisingThe surface deposition of whole this center pin 20B of this cone tip 21 forms the film plating layer 30 of a film-form.
Be illustrated in figure 6 the preferred embodiment that the present invention is applied to the floating type transmission thimble of tooth portion alternate form end face, this topNeedle device has a top heart handle 10 and can pass on combination of shape and state in the top heart 20 of this top heart handle 10, and this top heart handle 10 is provided with oneThe taper shank portion 11 of tapered column, is arranged with a sleeve 12 in this taper shank portion 11, this top heart 20 in working end with removablyIn conjunction with being provided with a center pin 20B, this center pin 20B has the cone tip 21 of a cone tip shape, and adopts PVD coating technique comprisingThe surface deposition of whole this center pin 20B of this cone tip 21 forms the film plating layer 30 of a film-form.
Be illustrated in figure 7 the preferred embodiment that the present invention is applied to half scarce fixing thimble, this push pin device has a top heartHandle 10 and one is incorporated into the top heart 20 of this top heart handle 10, and this top heart handle 10 is provided with the taper shank portion 11 of a tapered column, this top heart20 have the cone tip 21 of a cone tip shape, and adopt PVD coating technique to be somebody's turn to do in surface and 20 connections of this top heart of this cone tip 21The surface at cone tip 21 positions, all deposition forms the film plating layer 30 of a film-form.
The foregoing is only the preferred embodiments of the present invention, is only illustrative for the purpose of the present invention, and non-limiting, in the spirit and scope that limit in the claims in the present invention, those skilled in the art can understand and the amendment carried out orEquivalence changes, and all will belong to protection scope of the present invention.
Claims (7)
1. bore a push pin device for tip hardness strengthening, it has a top heart handle and and is incorporated into the top heart of this top heart handle, shouldThe top heart has the cone tip of a cone tip shape, it is characterized in that: adopt PVD coating technique to form one at the surface deposition of this cone tipThe film plating layer of film-form.
2. the push pin device of cone tip hardness according to claim 1 strengthening, wherein in the surface of described cone tip andThe surface that this top heart connects this cone tip position all deposits the film plating layer described in forming.
3. the push pin device of cone tip hardness strengthening according to claim 2, wherein said cone tip forms a heat placeReason sclerosis portion.
4. the push pin device of cone tip hardness strengthening according to claim 1, the wherein said top heart has thimble,This thimble has described cone tip, forms described plated film in the surface deposition of whole this center pin that comprises this cone tipLayer.
5. the push pin device of cone tip hardness strengthening according to claim 1, the wherein said top heart has a center pin,This center needle set has described cone tip, forms described plated film in the surface deposition of whole this center pin that comprises this cone tipLayer.
6. according to the push pin device of the cone tip hardness strengthening described in any one in claim 1 to 5, wherein said film plating layerFor titanium nitride (TiN) and thickness are 0.3 μ m～5 μ m.
7. according to the push pin device of the cone tip hardness strengthening described in any one in claim 1 to 5, wherein said film plating layerFor DLC film (DLC) and thickness are 0.3 μ m～5 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007964.8A CN105603362A (en) | 2016-01-06 | 2016-01-06 | Center device with hardness-strengthened conical cusp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007964.8A CN105603362A (en) | 2016-01-06 | 2016-01-06 | Center device with hardness-strengthened conical cusp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105603362A true CN105603362A (en) | 2016-05-25 |
Family
ID=55983696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610007964.8A Pending CN105603362A (en) | 2016-01-06 | 2016-01-06 | Center device with hardness-strengthened conical cusp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105603362A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184421A (en) * | 2019-04-03 | 2019-08-30 | 中钢集团邢台机械轧辊有限公司 | A kind of intensifying method improving machine tool fixing top tip hardness and wearability |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2179797Y (en) * | 1994-01-21 | 1994-10-19 | 郑州新亚复合超硬材料有限公司 | Centre |
| US5957017A (en) * | 1995-05-04 | 1999-09-28 | Andronica; Randall | Dead center for machine tools |
| JP2005224893A (en) * | 2004-02-12 | 2005-08-25 | Fsk Corp | Abrasion-resistant tool |
| CN101626861A (en) * | 2007-06-08 | 2010-01-13 | Osg株式会社 | Hard coat covers the manufacture method of screw tap and hard coat covering screw tap |
| CN101837486A (en) * | 2010-05-31 | 2010-09-22 | 哈尔滨汽轮机厂有限责任公司 | Head-adjustable hard alloy ball-end milling cutter with TiN composite coating |
| CN203003166U (en) * | 2012-11-07 | 2013-06-19 | 永城煤电控股集团有限公司 | Combined centre |
| CN203109252U (en) * | 2013-01-05 | 2013-08-07 | 郑州市钻石精密制造有限公司 | Center with super-hard coating |
| CN203993624U (en) * | 2014-08-28 | 2014-12-10 | 四川鸿舰重型机械制造有限责任公司 | Automatic telescopic holding device |
| CN204638919U (en) * | 2015-05-21 | 2015-09-16 | 嘉兴迈特尔宝欣机械工业有限公司 | A kind of mould taper locating element |
-
2016
- 2016-01-06 CN CN201610007964.8A patent/CN105603362A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2179797Y (en) * | 1994-01-21 | 1994-10-19 | 郑州新亚复合超硬材料有限公司 | Centre |
| US5957017A (en) * | 1995-05-04 | 1999-09-28 | Andronica; Randall | Dead center for machine tools |
| JP2005224893A (en) * | 2004-02-12 | 2005-08-25 | Fsk Corp | Abrasion-resistant tool |
| CN101626861A (en) * | 2007-06-08 | 2010-01-13 | Osg株式会社 | Hard coat covers the manufacture method of screw tap and hard coat covering screw tap |
| CN101837486A (en) * | 2010-05-31 | 2010-09-22 | 哈尔滨汽轮机厂有限责任公司 | Head-adjustable hard alloy ball-end milling cutter with TiN composite coating |
| CN203003166U (en) * | 2012-11-07 | 2013-06-19 | 永城煤电控股集团有限公司 | Combined centre |
| CN203109252U (en) * | 2013-01-05 | 2013-08-07 | 郑州市钻石精密制造有限公司 | Center with super-hard coating |
| CN203993624U (en) * | 2014-08-28 | 2014-12-10 | 四川鸿舰重型机械制造有限责任公司 | Automatic telescopic holding device |
| CN204638919U (en) * | 2015-05-21 | 2015-09-16 | 嘉兴迈特尔宝欣机械工业有限公司 | A kind of mould taper locating element |
Non-Patent Citations (2)
| Title |
|---|
| 张祖培等: "《碎岩工程学》", 30 November 2004, 地质出版社 * |
| 非氧化物陶瓷及其应用: "《非氧化物陶瓷及其应用》", 31 December 2010, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184421A (en) * | 2019-04-03 | 2019-08-30 | 中钢集团邢台机械轧辊有限公司 | A kind of intensifying method improving machine tool fixing top tip hardness and wearability |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160525 |