CN102672291B - Efficient linear tooth tip-cutting device - Google Patents
Efficient linear tooth tip-cutting device Download PDFInfo
- Publication number
- CN102672291B CN102672291B CN201210182845.8A CN201210182845A CN102672291B CN 102672291 B CN102672291 B CN 102672291B CN 201210182845 A CN201210182845 A CN 201210182845A CN 102672291 B CN102672291 B CN 102672291B
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- China
- Prior art keywords
- wire
- cutting
- wire electrode
- line wheel
- coil holder
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (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
Technical field
The present invention relates to a kind of saw blade process equipment, be specifically related to a kind of for processing the efficient crown wire-electrode cutting device at sawtooth position.
Background technology
Hard alloy band saw blade is to be welded on the saw blade on saw blade backing using carbide alloy as tip materials, and hard alloy wear resistance 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 grain hard alloy bimetallic strip saw blade, comprise saw blade body, saw blade body equal intervals is provided with some crown bodies, crown body middle part is provided with crown groove, in crown groove, be welded with the both sides that carbide alloy crown and two adjacent carbide alloy crowns are located at respectively saw blade body top, one of them carbide alloy crown is welded on one end of corresponding crown groove, another carbide alloy crown is welded on the other end of corresponding crown groove, and the lateral surface of carbide alloy crown protrudes the lateral surface of saw blade body.This utility model crown is firmly difficult for carnassial tooth and falls tooth, long service life.
In carbide alloy saw blade production process, because Cemented Carbide Hardness is higher, directly grinding is more serious to the wearing and tearing of Carborundum wheel, and there is sawtooth rake face and the poor problem of rear knife face angle uniformity, therefore, generally first with line cutting technology, saw blade crown profile is cut out, only stay small grinding allowance, carry out grinding with grinding machine again, improve the efficiency of processing, reduce the wearing and tearing to Carborundum wheel.
Line cutting is Wire EDM, wire electrode rotation direction of taking turns along the line on line wheel moves with certain speed, cutting on line workspace, the workpiece on fixing online cutting movement platform does forming moving by predetermined 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 electrode loses certain gap, and continuously pulsed discharge has 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, wire reeling rack, inserting rack, storage wire tray, be arranged at respectively the guide wheel on described wire reeling rack and inserting rack, be stretched in the molybdenum filament between described storage wire tray and guide wheel, between described wire reeling rack and column, be provided with height adjustment mechanism, between described inserting rack and column, be also provided with height adjustment mechanism, because the height of inserting rack can regulate and locate, therefore while use, can make the height of inserting rack and wire reeling rack regulate proper, inserting rack and wire reeling rack can jointly stretch in the die cavity of workpiece and cut, even if there is different die cavities in short transverse, the circuit difference that each die cavity cuts in vertical direction, this invention still can be carried out process operation.
While utilizing line cutting technology cutting saw blade crown profile in prior art, one group of line wheel is only set, only there is one section of wire electrode for cutting line cutting workspace, line cutting movement platform must be covered the profile of one group of tooth, the longer inoperative lost motion state of middle existence, efficiency 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 efficiency of cutting saw blade crown profile, the every group of crown uniformity obtaining is fine.
A kind of efficient crown wire-electrode cutting device, comprises with wired coil holder of taking turns and the wire electrode on described line wheel around the home, and described wire electrode is with round about manner around the home on described line wheel, and the wire electrode of locating cutting on line workspace part is at least two sections that are parallel to each other.
Wire electrode can be in any roundabout mode around the home on described line wheel, as long as ensure that the wire electrode of line cutting workspace is parallel to each other.
As preferably, the wire electrode of locating cutting on line workspace is two ~ eight sections that are parallel to each other.
The wire electrode hop count being parallel to each other of line cutting workspace is more, the sawtooth crown that can simultaneously cut is more, but, wire electrode number is too much, may cause the interference of discharging each other, and device is complicated, the also corresponding increase of the wire electrode length of nonclient area, 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, described line wheel is divided into some groups, and line wheel is not distributed on the differentiated levels of described coil holder on the same group.
The wire electrode being parallel to each other in order to obtain line cutting workspace, corresponding line wheel should be on the differentiated levels of coil holder, the line wheel of equal height is one group, and wire electrode is wound around around one group of line wheel, can be in workspace correspondingly obtains one section of wire electrode for cutting.
As preferably, described coil holder is hierarchic structure, on the steps at different levels that are distributed in described coil holder that line wheel is corresponding on the same group.
Hookup wire wheel on coil holder steps at different levels, the outer wire electrode that is wound around of line wheel of sustained height step, correspondingly in workspace obtains one section of wire electrode for cutting.Can determine according to the width of the quantity of every group of tooth of saw blade and tooth pitch ladder quantity and the step size of stair-stepping fixed mount.
As preferably, the group number of described line wheel is the hop count that the wire electrode of cutting on line workspace, place is parallel to each other.
Each group line wheel is corresponding obtains a section of the line cutting workspace wire electrode for cutting, the hop count that wire electrode of the cutting on line workspace, the group number place of being of line wheel is parallel to each other.
As preferably, described wire electrode is one.
By a wire electrode, the winding of the wheel of the line on described coil holder obtains the wire electrode that line cutting workspace is parallel to each other, and a wire electrode can be removed interconnective trouble between wire electrode from, can overcome the easily shortcoming of fracture of junction simultaneously.
As preferably, described line wheel is arranged on coil holder by rotating shaft, and rotating shaft and coil holder threaded engagement.
Line wheel is arranged on coil holder by rotating shaft, can freely rotate around the shaft, and while having reduced wire electrode work, the frictional force between wire electrode and pulley, has extended service life of wire electrode, and threaded engagement between rotating shaft and coil holder is fixing more firm.
As preferably, in described rotating shaft, be arranged with pad.
In rotating shaft, cover has pad, by changing the pad of different-thickness, accurately regulating tooth distance.
As preferably, be provided with wire electrode storage tank around the excircle of described line wheel.
Wire electrode, as in wire electrode storage tank, prevents wire electrode slippage from line wheel, improves the stability of wire electrode work.
Efficient crown wire-electrode cutting device provided by the invention, form in cutting workspace the cutting work silk that multistage is parallel to each other by wire frame structure, greatly improve the operating efficiency of line cutting, and can organize according to each the spacing of the quantity of sawtooth and the width adjustment cutting work silk of sawtooth, one group of crown uniformity obtaining of cutting is good, for following process provides the guarantee of precision.
Brief description of the drawings
Fig. 1 is hard alloy band saw blade schematic diagram;
Fig. 2 a is that in prior art, line cutting electrode silk is wound around schematic diagram;
Fig. 2 b is the right view of Fig. 2 a;
Fig. 3 a is the efficient crown wire-electrode cutting device of the present invention schematic diagram;
Fig. 3 b is the right view of Fig. 3 a;
Fig. 4 omits the schematic diagram after coil holder in Fig. 3 b;
Fig. 5 is the efficient crown wire-electrode cutting device of the present invention workspace wire electrode schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
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 is greater than the thickness of backing 2, adds man-hour, first with line cutting technology, crown profile is cut out, stays small grinding allowance.
As shown in Figure 3, Figure 4, efficient crown wire-electrode cutting device comprises coil holder 3, coil holder 3 is 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 cutting, and the spacing of the hard alloy band saw blade sawtooth that each shoulder height also can be cut as required regulates.
Coil holder 3 is 4, the number of coil holder 3 also can be more than 4, as long as can ensure to obtain at least one group of parallel wire electrode 7, each coil holder 3 has the step surface of equal height, also can be only two coil holders 3 there is the step surface of equal height, rotating shaft 5 has been threaded on step surface, rotating shaft 5 fixes with step surface, can not rotate freely, rotating shaft 5 has the spacing shaft shoulder matching with step surface, rotating shaft 5 screw thread position covers have pad 6, the internal diameter size of pad 6 is slightly larger than the major diameter of thread of rotating shaft 5, and be less than the shaft shoulder external diameter of rotating shaft 5, by regulating the thickness of pad 6, can regulate the height of rotating shaft 5 relative step surfaces, in rotating shaft 5, connect and wiredly take turns 4 by bearing, line wheel 4 can 5 freely rotate around the shaft, while reducing to cut the crown of hard alloy band saw blade, frictional force between wire electrode 7 and line wheel 4, extend the service life of wire electrode 7, facilitate the replacing of line cutting workspace wire electrode simultaneously, only need draw in wire electrode one end, wire electrode can be taken turns 4 slippages by relative line, thereby original wire electrode is introduced in cutting on line workspace, by regulating the thickness of pad 6, can regulate the height of rotating shaft 5 relative step surfaces, also be the corresponding height that regulates line wheel 4, even if step surface height difference, also can regulate line wheel 4 to be positioned at sustained height by changing the thickness of pad 6, on each line wheel 4, all there is wire electrode storage tank, electrode wrap wire wheel 4, be positioned at corresponding wire electrode storage tank, wire electrode storage tank can prevent wire electrode 7 landing from line wheel 4, thereby ensures 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(adopts molybdenum filament) be wound around after a circle around each highly minimum line wheel 4 in a clockwise direction, continuing each line wheel 4 around adjacent height is in a clockwise direction wound around, when winding, wire electrode 7 is positioned at wire electrode storage tank, each line wheel 4 is at least wound around a circle, be wound around successively after the line wheel 4 of all height, between 4 coil holders 3, form at least one group of parallel wire electrode 7, 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 is wound around can arrange takes turns 4 vertical with other lines, rotating shaft 5 and corresponding pad 6 are installed in the direction vertical with other step surfaces, and line wheel 4 is arranged in this rotating shaft 5 by bearing.
By 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 spacing between step number and the step of coil holder 3 all can be according to the requirement customization of the quantity of every group of tooth of hard alloy band saw blade and space width.
Coil holder 3 can be also only tabular, the rotating shaft 5 with differing heights is installed on coil holder 3, in rotating shaft 5, take turns 4 by bearing connecting line, can obtain equally having the line wheel 4 of differing heights, sheathed pad 6 in rotating shaft 5, by regulating the thickness of pad 6, can regulate the height of line wheel 4, according to the quantity of every group of tooth of hard alloy band saw blade and crown apart from adjusting the height of line wheel 4 and the spacing of rotating shaft 5.
The foregoing is only better implementation example of the present invention, be not limited to the present invention, all within the present invention spirit and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (1)
1. the efficient crown wire-electrode cutting device for saw blade processing, comprise the coil holder (3) with wired wheel (4) and take turns the strip electrode silk (7) on (4) at described line around the home, it is characterized in that, described wire electrode (7) is upper at described line wheel (4) around the home with round about manner, and the wire electrode (7) of locating cutting on line workspace part is two～eight sections that are parallel to each other; Described coil holder (3) is hierarchic structure, and described line wheel (4) is divided into some groups, and the group number of described line wheel (4) is the hop count that the wire electrode (7) of cutting on line workspace, place is parallel to each other; On the steps at different levels that are distributed in described coil holder (3) that line wheel (4) is not corresponding on the same group; It is upper that described line wheel (4) is arranged on coil holder (3) by rotating shaft (5), and rotating shaft (5) and coil holder (3) threaded engagement; In described rotating shaft, be arranged with pad (6); The excircle of described line wheel (4) is provided with wire electrode storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210182845.8A CN102672291B (en) | 2012-06-01 | 2012-06-01 | Efficient linear tooth tip-cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210182845.8A CN102672291B (en) | 2012-06-01 | 2012-06-01 | Efficient linear tooth tip-cutting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102672291A CN102672291A (en) | 2012-09-19 |
| CN102672291B true CN102672291B (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210182845.8A Expired - Fee Related CN102672291B (en) | 2012-06-01 | 2012-06-01 | Efficient linear tooth tip-cutting device |
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| CN (1) | CN102672291B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976164B (en) * | 2016-08-29 | 2019-01-04 | 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 recyclable device |
| CN112059302B (en) * | 2020-09-02 | 2021-09-14 | 湖南泰嘉新材料科技股份有限公司 | Sawtooth forming method |
Citations (3)
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| 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 |
| CN1968780A (en) * | 2004-09-10 | 2007-05-23 | 三菱电机株式会社 | Wire electric discharge apparatus |
| CN201253721Y (en) * | 2008-09-09 | 2009-06-10 | 钟树平 | Multi-electrode linear cutting machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2000069B (en) * | 1977-06-14 | 1982-01-27 | Inoue Japax Res | Improvements relating to electrical machining |
| GB2116103B (en) * | 1982-03-06 | 1986-01-29 | 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 |
| CN1537694A (en) * | 2003-10-23 | 2004-10-20 | 顾云良 | Multiple-arm vertical-pillar wireframe device for linear cutting machine tool |
| CN202667843U (en) * | 2012-06-01 | 2013-01-16 | 浙江约特工具有限公司 | Efficient tooth tip linear cutting device |
-
2012
- 2012-06-01 CN CN201210182845.8A patent/CN102672291B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN1968780A (en) * | 2004-09-10 | 2007-05-23 | 三菱电机株式会社 | Wire electric discharge apparatus |
| CN201253721Y (en) * | 2008-09-09 | 2009-06-10 | 钟树平 | Multi-electrode linear cutting machine |
Non-Patent Citations (2)
| Title |
|---|
| 何云.硬质合金电火花加工效率研究.《硬质合金》.1998,第15卷(第4期), |
| 硬质合金电火花加工效率研究;何云;《硬质合金》;19981130;第15卷(第4期);第253-256页 * |
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| CN102672291A (en) | 2012-09-19 |
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