CN104625916A - Three-jaw chuck positioning precision repair device and method - Google Patents

Three-jaw chuck positioning precision repair device and method Download PDF

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Publication number
CN104625916A
CN104625916A CN201410787353.0A CN201410787353A CN104625916A CN 104625916 A CN104625916 A CN 104625916A CN 201410787353 A CN201410787353 A CN 201410787353A CN 104625916 A CN104625916 A CN 104625916A
Authority
CN
China
Prior art keywords
spring steel
steel wire
support bar
hole
scroll chuck
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
Application number
CN201410787353.0A
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Chinese (zh)
Inventor
马玉山
赵文宝
季兆昌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuzhong Instrument Co Ltd
Original Assignee
Wuzhong Instrument Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuzhong Instrument Co Ltd filed Critical Wuzhong Instrument Co Ltd
Priority to CN201410787353.0A priority Critical patent/CN104625916A/en
Publication of CN104625916A publication Critical patent/CN104625916A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies

Abstract

The invention relates to a three-jaw chuck positioning precision repair device and method. The device is characterized in that a clamping mechanism and a grinding mechanism are included, the clamping mechanism comprises a first supporting rod, a second supporting rod and a third supporting rod, the two ends of each supporting rod (2) are both provided with a through hole, a spring steel wire (1) is further included, one end of the spring steel wire (1) penetrates through the through hole in one end of the first supporting rod and then penetrates out of the through hole in the other end of the first supporting rod, the spring steel wire (1) penetrates through the through hole in one end of the second supporting rod and then penetrates out of the through hole in the other end of the second supporting rod, finally, the spring steel wire (1) penetrates through the through hole in one end of the third supporting rod and then penetrates out of the through hole in the other end of the third supporting rod, and one end of the spring steel wire (1) is fixedly connected with the other end of the spring steel wire (1). As is proved by trials, by means of the technical scheme, a three-jaw chuck can be directly repaired on the device, the three-jaw chuck does not need to be detached or repaired on a special device, and use is convenient.

Description

Scroll chuck positioning precision prosthetic device and method
Technical field
The present invention relates to a kind of scroll chuck positioning precision prosthetic device and method.
Background technology
In field of machining, scroll chuck is one of the most basic annex of lathe, owing to being subject to the impact of tool feeding power, there is workpiece after being used for a while and be just not easy dress in it, its reason is that on the one hand three-jaw unbalance stress causes front and back clamping face to wear and tear uneven one-tenth horn mouth shape, operator uses the improper scroll chuck that causes of lathe to occur local damage on the other hand, if it is unsettled to cause chuck rear end face to clamp front end face after horn mouth holding parts, substantially be the point clamping rear end face, the workpiece of such folder is just not firm, part adds and easily vibrates man-hour, reduce the machining accuracy of part, easily forge a knife during cutting-off part, workpiece is easily scrapped.If three-jaw is beated, not easily centering and guarantee during the high part of requirement on machining accuracy, causes again changing scroll chuck, and in machining, on lathe, scroll chuck uses comparatively frequent, and the scroll chuck losing precision have to be scrapped.
Existing scroll chuck uses and with the passing of time there will be axiality reduction and horn mouth phenomenon, directly affect machining accuracy and clamping reliability, existing restorative procedure is the clamping face that lathe tool turning three-jaw directly used by the bar clamping a bit of suitable diameter, there is step on the surface of such reparation, surface roughness is also low, its claw hardness height also should not cut, and three-jaw has guiding clearance, and the positioning precision after reparation also cannot improve.In existing reparation way, one is that three-jaw supports cutting ferrule reparation clamping face outward, and another kind is that lathe tool reparation directly used by the bar of a bit of suitable diameter of chuck rear end face clamping, and these two kinds of methods all can not improve the positioning precision of three-jaw and the surface roughness of clamping face.
Summary of the invention
An object of the present invention is to provide a kind of scroll chuck positioning precision prosthetic device, can improve the reuse factor of scroll chuck and the machining accuracy of product in mechanical processing process after using significantly;
Two of object of the present invention is to provide a kind of scroll chuck positioning precision restorative procedure, can solve reparation difficult problem when scroll chuck axiality reduces, improve the positioning precision of scroll chuck and the surface roughness of clamping face, improve the utilization rate of three-jaw.
A kind of scroll chuck positioning precision prosthetic device, its special feature is: comprise clamping device and grinding mechanism, wherein clamping device comprises the first support bar, second support bar and the 3rd support bar, a through hole is had separately at the two ends of each support bar, also comprise a spring steel wire, one end of this spring steel wire passes from the through hole of the other end after the through hole of first support bar one end penetrates again, then this spring steel wire passes from the through hole of the other end after the through hole of second support bar one end penetrates, finally this spring steel wire passes from the through hole of the other end after the through hole of the 3rd support bar one end penetrates, be fixedly connected with the other end of this spring steel wire again, wherein grinding mechanism comprises motor, be provided with grinding machine head, and the bottom of this motor is arranged on the fixed head of motor at the output shaft end of this motor, the fixed head of this motor is provided with and clamps block.
Wherein the diameter of spring steel wire is 0.5mm.
The wherein identical length etc. of each support bar, and the chamfering all having 30 ° at the two ends of each support bar.
A kind of scroll chuck positioning precision restorative procedure, its special feature is, comprise the steps: the prosthetic device adopting claim 1, first respectively three of scroll chuck claws are clamped by the shape of the support bar composition equilateral triangle of three in clamping device, then the spring steel wire between adjacent supports bar is placed in the inside groove of scroll chuck, three claw fastening spring steel wires of adjustment scroll chuck thus carry out the clamping dynamics of balanced three claws by spring steel wire; Block of clamping on grinding mechanism is fixedly mounted on the knife rest of lathe, adjustment grinding mechanism motor output shaft center and lathe spindle central horizontal, start lathe and grinding mechanism motor, the positioning precision of three turns of chucks can be revised by the feed system of lathe.
Through probationary certificate, after adopting technical scheme of the present invention, on equipment, directly can repair scroll chuck, repair on special equipment without the need to scroll chuck is disassembled, easy to use.And device of the present invention only need change the support bar of different length, the length adjusting spring steel wire just may be used for the scroll chuck repairing different size, scroll chuck after reparation is beated within precision can reach 0.03mm, solving piece-holder instability causes the precision of part low, cutter easily jumps the difficult problem of sword, significantly improve the reuse factor of scroll chuck and the machining accuracy of product in mechanical processing process, save production cost.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of clamping device in inventive article;
Accompanying drawing 2 is the structural representation of grinding mechanism in inventive article;
Accompanying drawing 3 is using state schematic diagram of the present invention;
Accompanying drawing 4 is using state schematic diagram of the present invention.
Detailed description of the invention
As Fig. 1, 2, 3, shown in 4, the invention provides a kind of scroll chuck positioning precision prosthetic device, comprise clamping device and grinding mechanism, wherein clamping device comprises the first support bar, second support bar and the 3rd support bar, a through hole is had separately at the two ends of each support bar 2, also comprise a spring steel wire 1, one end of this spring steel wire 1 passes from the through hole of the other end after the through hole of first support bar one end penetrates again, then this spring steel wire 1 passes from the through hole of the other end after the through hole of second support bar one end penetrates, finally this spring steel wire 1 passes from the through hole of the other end after the through hole of the 3rd support bar one end penetrates, be fixedly connected with the other end of this spring steel wire 1 again, wherein grinding mechanism comprises motor 3, is provided with grinding machine head 6 at the output shaft end of this motor 3, and this grinding machine head 6 specifically can adopt abrasive grinding wheel.And the bottom of this motor 3 is arranged on the fixed head 4 of motor 3, the fixed head 4 of this motor 3 is provided with and clamps block 5.
Wherein the diameter of spring steel wire 1 is 0.5mm, wherein the identical length etc. of each support bar 2, and all has the chamfering of 30 ° at the two ends of each support bar 2, thus realizes face when each two ends of support bar 2 are contacted with the claw of scroll chuck and contact.
The using method of said apparatus is:
Tighten mutually after (spring) steel wire head of two in clamping device being adjusted length when concrete use, (spring steel wire 1 is cut off in such grinding can not to expose inside groove in inside groove spring steel wire 1 being clipped in scroll chuck, first 30 ° of conical surfaces of three fixed legs two propped up respectively the side plane of adjacent three-jaw thus realize face contact, three-jaw is fastening spring steel wire 1 gently, its clamping force is moderate make spring steel wire 1 stretching till, by the clamping dynamics of balanced three claws of spring steel wire 1.Scroll chuck must to be taken apart internal washing before repairing clean directly to repair on lathe for car in addition, and the length passing through to adjust spring steel wire 1 like this can ensure that the three-jaw inner face that spring steel wire 1 clamped by car is less than the endoporus of scroll chuck.Then motor 3 being fixed on the fixed head 4 of motor 3, installing grinding machine head 6, by clamping block 5, a whole set of grinding mechanism being arranged on the knife rest of lathe, by pad adjustment motor 3 output shaft center and lathe spindle central horizontal.Start the motor 3 of lathe and grinding mechanism, just can revise the positioning precision of three turns of chucks by the feed system of lathe.
Present invention also offers a kind of scroll chuck positioning precision restorative procedure, comprise the steps: to adopt above-mentioned prosthetic device, first respectively three of scroll chuck claws are clamped by the shape that the support bar of three in clamping device 2 forms equilateral triangle, then the spring steel wire 1 between adjacent supports bar 2 is placed in the inside groove of scroll chuck, three claw fastening spring steel wires 1 of adjustment scroll chuck thus by the clamping dynamics of balanced three claws of spring steel wire 1; Block 5 of clamping on grinding mechanism is fixedly mounted on the knife rest of lathe, adjustment grinding mechanism motor 3 output shaft center and lathe spindle central horizontal, start lathe and grinding mechanism motor 3, the positioning precision of three turns of chucks can be revised by the feed system of lathe.

Claims (4)

1. a scroll chuck positioning precision prosthetic device, it is characterized in that: comprise clamping device and grinding mechanism, wherein clamping device comprises the first support bar, second support bar and the 3rd support bar, a through hole is had separately at the two ends of each support bar (2), also comprise a spring steel wire (1), one end of this spring steel wire (1) passes from the through hole of the other end after the through hole of first support bar one end penetrates again, then this spring steel wire (1) passes from the through hole of the other end after the through hole of second support bar one end penetrates, finally this spring steel wire (1) passes from the through hole of the other end after the through hole of the 3rd support bar one end penetrates, be fixedly connected with the other end of this spring steel wire (1) again, wherein grinding mechanism comprises motor (3), at the output shaft end of this motor (3), grinding machine head (6) is installed, and the bottom of this motor (3) is arranged on the fixed head (4) of motor (3), the fixed head (4) of this motor (3) is provided with and clamps block (5).
2. scroll chuck positioning precision prosthetic device as claimed in claim 1, is characterized in that: wherein the diameter of spring steel wire (1) is 0.5mm.
3. scroll chuck positioning precision prosthetic device as claimed in claim 1, is characterized in that: the wherein identical length etc. of each support bar (2), and the chamfering all having 30 ° at the two ends of each support bar (2).
4. a scroll chuck positioning precision restorative procedure, it is characterized in that, comprise the steps: the prosthetic device adopting claim 1, first the shape of in clamping device three support bar (2) composition equilateral triangles is used to be clamped by three of scroll chuck claws respectively, then the spring steel wire (1) between adjacent supports bar (2) is placed in the inside groove of scroll chuck, adjusts three claw fastening spring steel wires (1) of scroll chuck thus pass through the clamping dynamics that spring steel wire (1) carrys out balanced three claws; Block (5) of clamping on grinding mechanism is fixedly mounted on the knife rest of lathe, adjustment grinding mechanism motor (3) output shaft center and lathe spindle central horizontal, start lathe and grinding mechanism motor (3), the positioning precision of three turns of chucks can be revised by the feed system of lathe.
CN201410787353.0A 2014-12-17 2014-12-17 Three-jaw chuck positioning precision repair device and method Pending CN104625916A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410787353.0A CN104625916A (en) 2014-12-17 2014-12-17 Three-jaw chuck positioning precision repair device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410787353.0A CN104625916A (en) 2014-12-17 2014-12-17 Three-jaw chuck positioning precision repair device and method

Publications (1)

Publication Number Publication Date
CN104625916A true CN104625916A (en) 2015-05-20

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CN (1) CN104625916A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109332735A (en) * 2018-11-27 2019-02-15 瓦房店轴承集团国家轴承工程技术研究中心有限公司 Chuck assisted conditioning apparatus
CN109648247A (en) * 2018-11-30 2019-04-19 中车洛阳机车有限公司 A kind of method for maintaining of oild chuck claw clamping stagnation problem
CN112658337A (en) * 2020-12-15 2021-04-16 吉林大学 Lathe three-jaw chuck jaw repairing device and using method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85202659U (en) * 1985-06-26 1986-08-13 姜士俊 Locating and grinding device for coping clamping chuck jaw
CN2071560U (en) * 1990-07-24 1991-02-20 姚安平 Three jaws chuck jack catchs positioning and grinding device
US4996758A (en) * 1990-04-30 1991-03-05 Avco Corporation Method and apparatus for spur and helical gear manufacture
CN2180395Y (en) * 1993-11-13 1994-10-26 吕俊乾 Repairing fix sleeve for three-jar chunk of lathe
RU2045380C1 (en) * 1992-05-14 1995-10-10 Зигфрид Станиславович Дагис Dagis' ring-shaped clamping device for processing the repair sectors
CN203918029U (en) * 2014-06-16 2014-11-05 横店集团东磁股份有限公司 A kind of fix tool of three-jaw self-centering chuck three-jaw
CN204397557U (en) * 2014-12-17 2015-06-17 吴忠仪表有限责任公司 The novel fix tool of Three-jaw chuck for lathe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85202659U (en) * 1985-06-26 1986-08-13 姜士俊 Locating and grinding device for coping clamping chuck jaw
US4996758A (en) * 1990-04-30 1991-03-05 Avco Corporation Method and apparatus for spur and helical gear manufacture
CN2071560U (en) * 1990-07-24 1991-02-20 姚安平 Three jaws chuck jack catchs positioning and grinding device
RU2045380C1 (en) * 1992-05-14 1995-10-10 Зигфрид Станиславович Дагис Dagis' ring-shaped clamping device for processing the repair sectors
CN2180395Y (en) * 1993-11-13 1994-10-26 吕俊乾 Repairing fix sleeve for three-jar chunk of lathe
CN203918029U (en) * 2014-06-16 2014-11-05 横店集团东磁股份有限公司 A kind of fix tool of three-jaw self-centering chuck three-jaw
CN204397557U (en) * 2014-12-17 2015-06-17 吴忠仪表有限责任公司 The novel fix tool of Three-jaw chuck for lathe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109332735A (en) * 2018-11-27 2019-02-15 瓦房店轴承集团国家轴承工程技术研究中心有限公司 Chuck assisted conditioning apparatus
CN109648247A (en) * 2018-11-30 2019-04-19 中车洛阳机车有限公司 A kind of method for maintaining of oild chuck claw clamping stagnation problem
CN112658337A (en) * 2020-12-15 2021-04-16 吉林大学 Lathe three-jaw chuck jaw repairing device and using method thereof

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Application publication date: 20150520

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