CN102672291A - Efficient linear tooth tip-cutting device - Google Patents

Efficient linear tooth tip-cutting device Download PDF

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Publication number
CN102672291A
CN102672291A CN2012101828458A CN201210182845A CN102672291A CN 102672291 A CN102672291 A CN 102672291A CN 2012101828458 A CN2012101828458 A CN 2012101828458A CN 201210182845 A CN201210182845 A CN 201210182845A CN 102672291 A CN102672291 A CN 102672291A
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CN
China
Prior art keywords
wire
electrode
cutting device
coil holder
line
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Granted
Application number
CN2012101828458A
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Chinese (zh)
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CN102672291B (en
Inventor
陶狄锋
顾军林
严岳峰
高同尧
丁杰锋
刘曾炜
盛要军
石利娟
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ZHEJIANG YUETE TOOLS CO Ltd
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ZHEJIANG YUETE TOOLS CO Ltd
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Priority to CN201210182845.8A priority Critical patent/CN102672291B/en
Publication of CN102672291A publication Critical patent/CN102672291A/en
Application granted granted Critical
Publication of CN102672291B publication Critical patent/CN102672291B/en
Expired - Fee Related legal-status Critical Current
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  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses an efficient linear tooth tip-cutting device. The efficient linear tooth tip-cutting device comprises a wire holder with a wire reel, and an electrode wire wound on the wire reel, wherein the electrode wire is wound on the wire reel in a circuitous way; and the electrode wire in a linear cutting working area comprises at least two parallel sections. Multiple sections of parallel cutting working wires are formed in the cutting working area of the efficient linear tooth tip-cutting device through the wire holder structure, so that the linear cutting working efficiency is greatly improved; and the space between the cutting working wires can be regulated according to the number of each group of saw teeth and the widths of the saw teeth, so that a group of cut tooth tips has good consistency, thus providing a precision guarantee for subsequent processing.

Description

Efficient crown wire-electrode cutting device
Technical field
The present invention relates to a kind of saw blade process equipment, be specifically related to a kind of efficient crown wire-electrode cutting device that is used to process the sawtooth position.
Background technology
Hard alloy band saw blade is that carbide alloy is welded on the saw blade on the saw blade backing as tip materials, and the carbide alloy anti-wear performance is good, the not yielding rust of sawtooth, long service life.
Application number is that 201120250517.8 utility model discloses a kind of ultrafine dust carbide alloy bi-metal bandsaw blades; Comprise the saw blade body; Saw blade body equal intervals is provided with some crown bodies; Crown body middle part is provided with the crown groove, is welded with the both sides that carbide alloy crown and two adjacent carbide alloy crowns are located at saw blade body top respectively in the crown groove, and one of them carbide alloy crown is welded on an end of corresponding crown groove; Another carbide alloy crown is welded on the other end of corresponding crown groove, and the lateral surface of the lateral surface of carbide alloy crown protrusion saw blade body.This utility model crown firmly is difficult for carnassial tooth and falls tooth, long service life.
In carbide alloy saw blade production process, because carbide alloy hardness is higher, directly grinding is more serious to the wearing and tearing of Carborundum wheel; And have the problem of sawtooth rake face and back knife face angle uniformity difference, and therefore, general with line cutting technology saw blade crown profile being cut out earlier; Only stay small grinding allowance; Carry out grinding with grinding machine again, improve the efficient of processing, reduce wearing and tearing Carborundum wheel.
The line cutting is a Wire EDM; Wire electrode rotation direction of taking turns along the line on the line wheel moves with certain speed; Online cutting workspace, the workpiece on the fixing online cutting movement platform is done moulding campaign by the expectant control track with respect to wire electrode by line cutting movement platform.One utmost point of the pulse power connects workpiece, and another utmost point receiving electrode silk always keeps certain discharging gap between workpiece and wire electrode, and the spark discharge between the electrode loses certain slit, and pulsed discharge has continuously just cut out the workpiece of required form and size.
Application number a kind of wire cutting machine tool that has been 02113199.6 disclosure of the Invention; Comprise column, go up coil holder, down coil holder, storage silk dish, respectively be arranged at described go up coil holder and down the guide wheel on the coil holder, be stretched in the molybdenum filament between described storage silk dish and the guide wheel; Described going up between coil holder and the column is provided with height adjustment mechanism; Also be provided with height adjustment mechanism between described coil holder down and the column,, can make down the height of coil holder and last coil holder regulate proper when therefore using because the height of coil holder can be regulated and locate down; Then descend coil holder and go up in the die cavity that coil holder can stretch into workpiece jointly and cut; Even different die cavities is arranged on the short transverse, the circuit that each die cavity cuts in vertical direction is different, and this invention still can be carried out process operation.
When utilizing line cutting technology cutting saw blade crown profile in the prior art; One group of line wheel only is set; Only there is one section wire electrode that is used to cut line cutting workspace, and line cutting movement platform must be covered the profile of one group of tooth, the middle inoperative lost motion state of length that exists; Efficient is lower, and the uniformity of every group of tooth is bad.
Summary of the invention
The invention provides a kind of efficient crown wire-electrode cutting device, improved the efficient of cutting saw blade crown profile, the every group of crown uniformity that obtains is fine.
A kind of efficient crown wire-electrode cutting device comprises the coil holder that has line wheel and the wire electrode on said line wheel around the home, and around the home on said line wheel, and the wire electrode that is in line cutting workspace part is at least two sections that are parallel to each other to said wire electrode with round about manner.
Wire electrode can be with any circuitous mode around the home on said line wheel, as long as the wire electrode of assurance line cutting workspace is parallel to each other.
As preferably, the wire electrode that is in line cutting workspace is two ~ eight sections that are parallel to each other.
The parallel electrodes silk hop count of line cutting workspace is many more; The sawtooth crown that can cut simultaneously is many more, and still, the wire electrode number is too much; Possibly cause the interference of discharging each other; And device is complicated, the also corresponding increase of the wire electrode length of nonclient area, and the hop count that wire electrode is parallel to each other can be set according to the quantitative requirement of every group of tooth of saw blade.
As preferably, said line wheel is divided into some groups, and the line wheel is not distributed on the differentiated levels of said coil holder on the same group.
In order to obtain line cutting workspace parallel electrodes silk; Then corresponding line wheel should be on the differentiated levels of coil holder; The line of equal height wheel is one group, and wire electrode twines around one group of line wheel, can be in the workspace correspondingly obtains one section wire electrode that is used to cut.
As preferably, said coil holder is a hierarchic structure, on the steps at different levels that are distributed in said coil holder that the line wheel is corresponding on the same group.
Hookup wire wheel on coil holder steps at different levels, the outer wire electrode that twines of the line wheel of sustained height step correspondingly in the workspace obtains one section wire electrode that is used to cut.Can confirm the ladder quantity and the step size of stair-stepping fixed mount according to the width of the quantity of every group of tooth of saw blade and tooth pitch.
As preferably, the group number of said line wheel is to be in the hop count that the wire electrode of line cutting workspace is parallel to each other.
The corresponding one section wire electrode that is used to cut that obtains line cutting workspace of each group line wheel, then the group number of line wheel is the hop count that the wire electrode that is in line cutting workspace is parallel to each other.
As preferably, said wire electrode is one.
Line cutting workspace parallel electrodes silk is twined by the line wheel of a wire electrode on described coil holder and obtains, and a wire electrode can be removed interconnective trouble between wire electrode from, can overcome the junction shortcoming of fracture easily simultaneously.
As preferably, said line wheel is installed on the coil holder through rotating shaft, and rotating shaft and coil holder threaded engagement.
Line wheel is installed on the coil holder through rotating shaft, can freely rotate around the shaft, and when having reduced wire electrode and working, the frictional force between wire electrode and the pulley has prolonged service life of wire electrode, and threaded engagement between rotating shaft and coil holder is fixed more firm.
As preferably, be arranged with pad in the said rotating shaft.
Be with pad in the rotating shaft, through changing the pad of different-thickness, accurately regulating tooth distance.
As preferably, be provided with the wire electrode storage tank around the excircle of said line wheel.
Wire electrode prevents that as in the wire electrode storage tank wire electrode from from the upward slippage of line wheel, improving the stability of wire electrode work.
Efficient crown wire-electrode cutting device provided by the invention; Form the cutting work silk that multistage is parallel to each other through wire frame structure in the cutting workspace; Improved the operating efficiency of line cutting greatly; And can be according to each spacing of width adjustment cutting work silk of organizing quantity and the sawtooth of sawtooth, one group of crown uniformity that cutting obtains is good, and the assurance of precision is provided for following process.
Description of drawings
Fig. 1 is the hard alloy band saw blade sketch map;
Fig. 2 a is that the line cutting electrode silk twines sketch map in the prior art;
Fig. 2 b is the right view of Fig. 2 a;
Fig. 3 a is the efficient crown wire-electrode cutting device of a present invention sketch map;
Fig. 3 b is the right view of Fig. 3 a;
Fig. 4 is the sketch map behind the omission coil holder among Fig. 3 b;
Fig. 5 is the efficient crown wire-electrode cutting device of a present invention workspace wire electrode sketch map.
The specific embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention elaborates.
As shown in Figure 1, hard alloy band saw blade is made up of carbide alloy crown 1 and saw blade backing 2, and crown 1 thickness adds man-hour greater than the thickness of backing 2, with line cutting technology the crown profile is cut out earlier, stays small grinding allowance.
Like Fig. 3, shown in Figure 4; Efficient crown wire-electrode cutting device comprises coil holder 3; Coil holder 3 is a hierarchic structure; The ladder number of steps of coil holder 3 can customize according to the quantity of every group of sawtooth of hard alloy band saw blade of needs cuttings, and the spacing of the hard alloy band saw blade sawtooth that each shoulder height also can be cut is as required regulated.
Coil holder 3 is 4, and the number of coil holder 3 also can be more than 4, as long as can guarantee to obtain at least one group of parallel wire electrode 7; Each coil holder 3 all has the step surface of equal height, also can be only two coil holders 3 have the step surface of equal height, rotating shaft 5 has been threaded on the step surface; Rotating shaft 5 fixes with step surface, can not rotate freely, and rotating shaft 5 has the spacing shaft shoulder that matches with step surface; Rotating shaft 5 screw thread positions are with pad 6, and the internal diameter size of pad 6 is slightly larger than the major diameter of thread of rotating shaft 5, and less than the shaft shoulder external diameter of rotating shaft 5; Through regulating the thickness of pad 6, i.e. the height of scalable rotating shaft 5 relative step surfaces takes turns 4 through the bearing connection is wired in the rotating shaft 5; Line wheel 4 can 5 freely rotate around the shaft, when reducing to cut the crown of hard alloy band saw blade, and the frictional force between wire electrode 7 and the line wheel 4; Prolong the service life of wire electrode 7, make things convenient for the replacing of line cutting workspace wire electrode simultaneously, only need to draw at wire electrode one end; Wire electrode can be taken turns 4 slippages by relative line, thereby original wire electrode is introduced in online cutting workspace; Through regulating the thickness of pad 6, can regulate the height of rotating shaft 5 relative step surfaces, also be the corresponding height of regulating line wheel 4; Even the step surface height is different, also can regulate line wheel 4 and be positioned at sustained height through the thickness that changes pad 6, on each line wheel 4 the wire electrode storage tank is arranged all; Electrode wrap wire wheel 4; Be positioned at corresponding electrode silk storage tank, the wire electrode storage tank can prevent wire electrode 7 landing from the line wheel 4, thereby guarantees the stability of line cutting.
The line wheel 4 of equal height is installed on the step surface of coil holder 3 equal heights; Wire electrode 7 (employing molybdenum filament) after each highly minimum line wheel 4 has twined a circle, continues to take turns 4 around each line of adjacent height in a clockwise direction and twines, during winding in a clockwise direction; Wire electrode 7 is positioned at the wire electrode storage tank; Each line wheel 4 twines a circle at least, after the lines that twined all height successively take turns 4, and at least one group of parallel wire electrode 7 of formation between 4 coil holders 3; As shown in Figure 5, the parallel wire electrode 7 of this group is the working electrode silk of line cutting workspace.
When introducing wire electrode 7; Can not disturb the power on winding of polar filament 7 of other line wheel 4; First line wheel 4 that wire electrode 7 twines can be provided with takes turns 4 vertical with other lines; Rotating shaft 5 and corresponding pad 6 promptly are installed on the direction vertical with other step surfaces, and line wheel 4 is installed in this rotating shaft 5 through bearing.
Through changing the pad 6 of different-thickness; Can regulate the spacing of parallel pole silk 7; Adapt to the requirement of hard alloy band saw blade space width, the step number of coil holder 3 and the spacing between the step all can be according to the quantity of every group of tooth of hard alloy band saw blade and the requirement customizations of space width.
Coil holder 3 also can be merely tabular; Rotating shaft 5 with differing heights is installed on coil holder 3, in rotating shaft 5,, can obtains having the line wheel 4 of differing heights equally through bearing connecting line wheel 4; Sheathed pad 6 in rotating shaft 5; Through regulating the thickness of pad 6, can regulate the height of line wheel 4, take turns 4 the height and the spacing of rotating shaft 5 according to the quantity of every group of tooth of hard alloy band saw blade and crown apart from the adjustment line.
The above is merely preferable enforcement of the present invention for example, is not limited to the present invention, and is all within the present invention's spirit and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. efficient crown wire-electrode cutting device; Comprise the coil holder (3) that has line wheel (4) and take turns the wire electrode (7) on (4) at said line around the home; It is characterized in that; Around the home on said line wheel (4), and the wire electrode (7) that is in line cutting workspace part is at least two sections of being parallel to each other to said wire electrode (7) with round about manner.
2. efficient crown wire-electrode cutting device as claimed in claim 1 is characterized in that, the wire electrode (7) that is in line cutting workspace part is two ~ eight sections that are parallel to each other.
3. efficient crown wire-electrode cutting device as claimed in claim 1 is characterized in that, said line wheel (4) is divided into some groups, and line wheel (4) is not distributed on the differentiated levels of said coil holder (3) on the same group.
4. efficient crown wire-electrode cutting device as claimed in claim 1 is characterized in that said coil holder (3) is a hierarchic structure, on the steps at different levels that are distributed in said coil holder (3) that line wheel (4) is not corresponding on the same group.
5. efficient crown wire-electrode cutting device as claimed in claim 1 is characterized in that, the group number of said line wheel (4) is to be in the hop count that the wire electrode (7) of line cutting workspace is parallel to each other.
6. according to claim 1 or claim 2 efficient crown wire-electrode cutting device is characterized in that said wire electrode (7) is one.
7. efficient crown wire-electrode cutting device as claimed in claim 1 is characterized in that, said line wheel (4) is installed on the coil holder (3) through rotating shaft (5), and rotating shaft (5) and coil holder (3) threaded engagement.
8. efficient crown wire-electrode cutting device as claimed in claim 7 is characterized in that, is arranged with pad (6) in the said rotating shaft.
9. efficient crown wire-electrode cutting device as claimed in claim 8 is characterized in that, the excircle of said line wheel (4) is provided with the wire electrode storage tank.
CN201210182845.8A 2012-06-01 2012-06-01 Efficient linear tooth tip-cutting device Expired - Fee Related CN102672291B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106976164A (en) * 2016-08-29 2017-07-25 无锡斯达新能源科技股份有限公司 Multi-thread circulation cutting machine storage line and extended line retracting device
CN112059302A (en) * 2020-09-02 2020-12-11 湖南泰嘉新材料科技股份有限公司 Sawtooth forming method

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Publication number Priority date Publication date Assignee Title
US4193852A (en) * 1977-06-14 1980-03-18 Inoue-Japax Research Incorporated Method and apparatus for electrical machining with a multi-guided travelling electrode
GB2116103A (en) * 1982-03-06 1983-09-21 Inoue Japax Res A method and apparatus for electroerosively machining a workpiece
JPH09248719A (en) * 1996-03-12 1997-09-22 Shin Etsu Handotai Co Ltd Cutting method and device of semiconductor ingot for epitaxial wafer semiconductor
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CN202667843U (en) * 2012-06-01 2013-01-16 浙江约特工具有限公司 Efficient tooth tip linear cutting device

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Publication number Priority date Publication date Assignee Title
US4193852A (en) * 1977-06-14 1980-03-18 Inoue-Japax Research Incorporated Method and apparatus for electrical machining with a multi-guided travelling electrode
GB2116103A (en) * 1982-03-06 1983-09-21 Inoue Japax Res A method and apparatus for electroerosively machining a workpiece
JPH09248719A (en) * 1996-03-12 1997-09-22 Shin Etsu Handotai Co Ltd Cutting method and device of semiconductor ingot for epitaxial wafer semiconductor
DE10232667A1 (en) * 2002-07-18 2004-02-12 Wacker Siltronic Ag Wire saw and process for separating discs from a workpiece such as a semiconductor has tension equalizer for wires having cutting particles
CN1537694A (en) * 2003-10-23 2004-10-20 顾云良 Multiple-arm vertical-pillar wireframe device for linear cutting machine tool
CN1968780A (en) * 2004-09-10 2007-05-23 三菱电机株式会社 Wire electric discharge apparatus
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CN202667843U (en) * 2012-06-01 2013-01-16 浙江约特工具有限公司 Efficient tooth tip linear cutting device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106976164A (en) * 2016-08-29 2017-07-25 无锡斯达新能源科技股份有限公司 Multi-thread circulation cutting machine storage line and extended line retracting device
CN112059302A (en) * 2020-09-02 2020-12-11 湖南泰嘉新材料科技股份有限公司 Sawtooth forming method
WO2022048300A1 (en) * 2020-09-02 2022-03-10 湖南泰嘉新材料科技股份有限公司 Sawtooth forming method

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Granted publication date: 20140924

Termination date: 20190601