CN201455469U - Molybdenum wire slack adjuster for wire cutting machine - Google Patents
Molybdenum wire slack adjuster for wire cutting machine Download PDFInfo
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- CN201455469U CN201455469U CN2009201248634U CN200920124863U CN201455469U CN 201455469 U CN201455469 U CN 201455469U CN 2009201248634 U CN2009201248634 U CN 2009201248634U CN 200920124863 U CN200920124863 U CN 200920124863U CN 201455469 U CN201455469 U CN 201455469U
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- pedestal
- connecting rod
- rocking arm
- cutting machine
- molybdenum filament
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Abstract
The utility model relates to a molybdenum wire slack adjuster for a wire cutting machine, which comprises a base (1), a balancing rocker arm (2) and a guide wheel (3), and is characterized by also comprising a first connecting rod (4), a second connecting rod (5) and a clockwork coil spring (6), wherein one end of the first connecting rod is rotatably connected with the upper part of the base, and the other end thereof is rotatably connected with the middle part of the balancing rocker arm; one end of the second connecting rod is rotatably connected with the lower part of the base by a pin shaft (7) which is oppositely fixed with the base by a connection structure, and the other end thereof is rotatably connected with the lower part of the balancing rocker arm; the clockwork coil spring is sheathed on the pin shaft; and one end of the clockwork coil spring is fixed with the pin shaft, and the other end thereof is acted to the balancing rocker arm so as to lead the balancing rocker arm to maintain the trend of the original state. In the structure, the stressed force of the balancing rocker arm in the whole moving course is basically constant, and the situation that the hindering is larger along with more and more downward moving does not occur, thus effectively ensuring the constant tension of the molybdenum wires.
Description
Technical field
The utility model relates to a kind of line cutting machine molybdenum filament slack adjuster.This molybdenum filament slack adjuster can effectively prevent molybdenum filament (wire electrode) pilled-in selvedge, slack list, jitter phenomenon, guarantees the precision of line cutting.
Background technology
The wire electrode that existing wire cutting machine tool mainly adopts is a molybdenum filament, because wire electrode is forward and reverse reciprocal high-speed cruising, exist what is called " pilled-in selvedge " and " slack list " phenomenon, promptly receipts silk limit is tight, puts Si Biansong, and the line cutting processing is a kind of high-precision processing, if there is " pilled-in selvedge " and " slack list " phenomenon, the part to be processed surface roughness is increased, striped appears, therefore influence machining accuracy greatly, occurred variously regulating the molybdenum filament degree of tightness and making molybdenum filament keep the device or the structure of permanent tension force.
It has Weight type wire electrode slack adjuster, when beginning processing, device makes, electrode thread intension, weight is in a certain original position, a tight silk wheel assembly temporarily is in poised state, and when the lax silk of wire electrode, weight is to the pulling force of the tight silk wheel assembly tension force greater than wire electrode, weight descends, and makes wire electrode be in tension all the time.Its defective is: in actual cutting process, because the high-speed cruising of wire electrode, wire electrode can loss, cause attenuating of wire electrode, and the weight of weight is constant, in the course of time, can hold weight that can't stand weight to rear electrode silk to a certain degree, and fracture of wire.As a patent No. is a kind of similar structure so the Chinese utility model patent " wire cutting machine wire electrode permanent tension force tensioning apparatus " of ZL03218570.7 (notification number is CN2605951Y) has disclosed.
Also having a kind of is spring wire electrode tension controller, comprise pedestal, the containing cavity that has a upper end open, bottom sealing on the pedestal, be equipped with spring in it, the counter-jib that has a head end that guide wheel is installed penetrates in the containing cavity from opening and also contacts with spring, this counter-jib is to be limited in the containing cavity, deviates from containing cavity to prevent counter-jib.During use, this device is installed on the cutting machine, and allows wire electrode walk around from guide wheel, this counter-jib applies one along the axial pre tightening force effect on the spring force direction to wire electrode.When the wire electrode tension, wire electrode give guide wheel and counter-jib apply one along balance arm shaft to partial pressure greater than the pretightning force of spring, at this moment, counter-jib overcomes spring pressure, inwardly move axially a bit of distance along containing cavity, the pretension elastic force of spring and the tension force of wire electrode are in poised state, thereby have prevented the wire electrode tension; When wire electrode is crossed pine, wire electrode give guide wheel and counter-jib apply one along balance arm shaft to partial pressure less than the pretightning force of spring, at this moment, counter-jib overcomes spring pressure, move axially a bit of distance to the outer containing cavity, the pretension elastic force of spring and the tension force of wire electrode are in poised state, thereby have prevented that wire electrode is loose excessively.It has the low advantage of cost, since wire electrode to counter-jib not only have along balance arm shaft to the partial pressure effect, also have one along the tangential partial pressure effect of counter-jib, spring to counter-jib then have only along balance arm shaft to the elastic force effect, so the defective of this mechanism is to guarantee to make the constant of wire electrode tension well.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of molybdenum filament slack adjuster that is used for wire cutting machine that can guarantee the molybdenum filament constant tension at above-mentioned prior art present situation, and it also has advantage simple in structure, that cost is low, easy to use.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of line cutting machine molybdenum filament slack adjuster, include pedestal, balance rocking arm, guide wheel, and guide wheel is rotatably connected to balance rocking arm end; It is characterized in that: also comprise first connecting rod, second connecting rod and clockwork spring wind spring; One end of described first connecting rod and the top of pedestal are rotatably connected, and the middle part of the other end of first connecting rod and balance rocking arm is rotatably connected; One end of described second connecting rod is rotatably connected by the bottom of bearing pin and pedestal, and this bearing pin is by a syndeton and pedestal relative fixed, and the bottom of the other end of second connecting rod and balance rocking arm is rotatably connected; Described clockwork spring wind spring is set on the described bearing pin, and an end and the described bearing pin of clockwork spring wind spring are fixed, and the other end of clockwork spring wind spring acts on the balance rocking arm so that the balance rocking arm keeps reset condition trend.
Above-mentioned first connecting rod and second connecting rod equal in length, the axis direction of balance rocking arm is parallel with pedestal lateral wall direction.It is parallel to guarantee that like this balance rocking arm and pedestal lateral wall remain, and prevents that the balance rocking arm from colliding with the lateral wall of pedestal in moving process in advance, can also make first connecting rod and second connecting rod stressed steadily, guarantees job stability.
Syndeton between above-mentioned bearing pin and the pedestal is, described bearing pin activity passes that the opposite side at pedestal is connected with a regulating wheel behind the pedestal, this regulating wheel can drive bearing pin around the relative pedestal rotation of himself axis, have locating hole on the end face of described pedestal, on regulating wheel, have screwed hole, have lock screw to pass the locating hole that inserts behind the screwed hole on the pedestal end face.This syndeton not only plays bearing pin and the relatively-stationary purpose of pedestal, and it also plays the effect of adjusting clockwork spring wind spring degree of tightness, during adjusting, unclamp lock-screw earlier, lock-screw breaks away from the restriction of locating hole, rotates regulating wheel then, and then the drive bearing pin rotates relative to pedestal, finally make the clockwork spring wind spring further curl (torsion increase) or further loosen (torsion reduces), adapt to the wire electrode of different thicknesses with this.
For making regulating wheel that a plurality of position locations be arranged, the locating hole on the said base end face has a plurality of, and the setting that is uniformly distributed along the circumference.Can regulate at many levels the tightness of clockwork spring wind spring like this.
Above-mentioned pedestal includes front plate and the rear plate to establishing spaced in parallel to each other, is supported with back-up block between front plate and the rear plate, and the two ends of back-up block are fixed with front plate and rear plate respectively.This base construction is simple and practical, and is convenient to assemble pedestal, and is convenient to first connecting rod and second connecting rod are installed on the pedestal.
For ease of pedestal being fixed on the frame of wire cutting machine, above-mentioned front plate and the top of rear plate one side have the assembly wall that turns up, and have installing hole on this assembly wall.
Above-mentioned balance rocking arm includes header board and the back plate to establishing spaced in parallel to each other, is supported with contiguous block between header board and the back plate, and the two ends of contiguous block are fixed with header board and back plate respectively.This balance rocker structure is simple and practical, and is convenient to assemble the balance rocking arm, and is convenient to first connecting rod and second connecting rod are installed on the balance rocking arm.
The end of above-mentioned header board and back plate is fixed with bearing block respectively, and then between the diaxon bearing, the both sides of this guide wheel have installation shaft respectively to described guide wheel, and installation shaft is installed on the bearing block by bearing respectively.The mounting structure of this guide wheel is convenient to the rotation of guide wheel relative equilibrium rocking arm, guarantees job stability.That certainly also can adopt existing relevant molybdenum filament to compensate automatically to adopt in the strainer is arranged on guide wheel structure on the balance rocking arm.
Compared with prior art, advantage of the present utility model is: the balance rocking arm in this adjuster links to each other with pedestal by two linkages, and the twisting force by the clockwork spring wind spring, make the balance rocking arm remain on poised state, make the guide wheel that is arranged on the balance rocking arm apply pressure with this with suitable size and Orientation to wire electrode, allow the tension force of this pressure and molybdenum filament be in poised state, reach and prevented that wire electrode from crossing the phenomenon of pine, tension, shake; Balance rocking arm in this structure to second connecting rod apply be power and second connecting rod axially all the time at an angle, when being pressed down by the tension molybdenum filament, the balance rocking arm makes, though the clockwork spring wind spring is further curled, the clockwork spring wind spring increases the power of balance rocking arm, but power that the clockwork spring wind spring applies the balance rocking arm and balance rocker arm shaft to angle become big, therefore the axial thrust load that the balance rocking arm is received is also just more little in proportion, so power substantially constant that the balance rocking arm is subjected in whole moving process, the past more big more situation of being obstructed that moves down can not appear, effectively guarantee the molybdenum filament constant tension, can increase the service life of molybdenum filament greatly.
Description of drawings
Fig. 1 is the perspective view (balance rocking arm raised state) of the utility model embodiment;
Fig. 2 is the cutaway view (balance rocking arm raised state) of the utility model embodiment;
Fig. 3 is that the A-A of Fig. 2 is to cutaway view;
Fig. 4 is that the B-B of Fig. 2 is to cutaway view;
Fig. 5 is the perspective view (shifting state under the balance rocking arm) of the utility model embodiment;
Fig. 6 is the cutaway view (shifting state under the balance rocking arm) of the utility model embodiment;
Fig. 7 is the three-dimensional exploded view of the utility model embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Shown in Fig. 1～7, be a preferred embodiment of the present utility model.
A kind of line cutting machine molybdenum filament slack adjuster, include pedestal 1, pedestal 1 includes front plate 11 and the rear plate 12 to establishing spaced in parallel to each other, be supported with back-up block 13 between front plate 11 and the rear plate 12, the two ends of back-up block 13 are fixing with front plate 11 and rear plate 12 respectively, top one side of front plate 11 and rear plate 12 has the assembly wall 14 that turns up, and has installing hole 141 on this assembly wall 14.
First connecting rod 4, an end of first connecting rod 4 is rotatably connected by the top of rotating shaft and pedestal 1, and the other end of first connecting rod 4 is rotatably connected by the middle part of rotating shaft and balance rocking arm 2.
Second connecting rod 5, second connecting rod 5 and first connecting rod 4 equal in length, the axis direction of balance rocking arm 2 is parallel with pedestal 1 lateral wall direction, one end of second connecting rod 5 is rotatably connected by the bottom of bearing pin 7 with pedestal 1, this bearing pin 7 is by a syndeton and pedestal 1 relative fixed, and the bottom of the other end of second connecting rod 5 and balance rocking arm 2 is rotatably connected by rotating shaft.Syndeton between bearing pin 7 and the pedestal 1 is, described bearing pin 7 activities pass that the opposite side at pedestal 1 is connected with a regulating wheel 8 behind the pedestal, this regulating wheel 8 can drive bearing pin 7 around relative pedestal 1 rotation of himself axis, have locating hole 111 on the end face of pedestal 1, this locating hole 111 is opened on the front plate 11 of pedestal, locating hole 111 has a plurality of, and the setting that is uniformly distributed along the circumference, on regulating wheel 8, have screwed hole 81, there is lock screw 9 to pass the screwed hole 81 back locating holes 111 that insert on pedestals 1 end face, and with regulating wheel 8 and pedestal relative fixed.
Clockwork spring wind spring 6, clockwork spring wind spring 6 is set on the described bearing pin 7, one end of clockwork spring wind spring 6 fixes in the draw-in groove of described bearing pin 7, and clockwork spring wind spring 6 is fixing with bearing pin 7, the other end of clockwork spring wind spring 6 acts on balance rocking arm 2 so that balance rocking arm 2 keeps the reset condition trend, and promptly the other end of clockwork spring wind spring 6 acts in second connecting rod 5 and the rotating shaft that balance rocking arm 2 is connected.
The reset condition of balance rocking arm 2 is meant, clockwork spring wind spring 6 balances torsion that rocking arm 2 applies and just in time is in poised state with the tension force of molybdenum filament.
The utility model operation principle and process are such:
The pedestal 1 of this adjuster is fixed on the frame of wire cutting machine, and molybdenum filament is compressed on the line cutting loop that forms a sealing on the cable clamping interface 32 on the guide wheel, and it is conventional set-up mode.
When the wire electrode tension, molybdenum filament applies the power along balance rocking arm 2 axial directions for guide wheel 3 and balance rocking arm 2, at this moment, this power balances the power along balance rocking arm 2 axial directions that rocking arm 2 applies greater than clockwork spring wind spring 6, balance rocking arm 2 relative pedestals 1 move down, and near pedestal, simultaneously, first connecting rod 4 and second connecting rod 5 rotate certain angle around its hinged place, clockwork spring wind spring 6 is further curled, balance rocking arm 2 until clockwork spring wind spring 6 and be in poised state, prevented the molybdenum filament tension along the power of balance rocking arm 2 axial directions and the tension force of molybdenum filament;
When molybdenum filament is crossed pine, molybdenum filament applies the power along balance rocking arm 2 axial directions for guide wheel 3 and balance rocking arm 2 and balances the power along balance rocking arm 2 axial directions that rocking arm 2 applies less than clockwork spring wind spring 6, move on the balance rocking arm 2 relative pedestals 1, and away from pedestal, and tighten molybdenum filament, simultaneously, first connecting rod 4 and second connecting rod 5 upwards turn an angle around its hinged place, clockwork spring wind spring 6 is loosened, balance rocking arm 2 until clockwork spring wind spring 6 and be in poised state, prevented that molybdenum filament is loose excessively along the power of balance rocking arm 2 axial directions and the tension force of molybdenum filament;
The torsion of regulating clockwork spring wind spring 6 only needs, earlier lock-screw 9 is unscrewed and is broken away from the restriction of locating hole 111, just rotatable regulating wheel 8, and then drive bearing pin 7 rotates, make the clockwork spring 5 that is connected with bearing pin 7 further curl (torsion increase) or further loosen (torsion reduces), adapt to the molybdenum filament of different thicknesses with this.
Claims (8)
1. a line cutting machine molybdenum filament slack adjuster includes pedestal (1), balance rocking arm (2), guide wheel (3), and guide wheel (3) is rotatably connected to balance rocking arm (2) end; It is characterized in that: also comprise first connecting rod (4), second connecting rod (5) and clockwork spring wind spring (6); The top of one end of described first connecting rod (4) and pedestal (1) is rotatably connected, and the middle part of the other end of first connecting rod (4) and balance rocking arm (2) is rotatably connected; One end of described second connecting rod (5) is rotatably connected by the bottom of bearing pin (7) with pedestal (1), and this bearing pin (7) is by a syndeton and pedestal (1) relative fixed, and the bottom of the other end of second connecting rod (5) and balance rocking arm (2) is rotatably connected; Described clockwork spring wind spring (6) is set on the described bearing pin (7), and an end of clockwork spring wind spring (6) and described bearing pin (7) are fixing, and the other end of clockwork spring wind spring (6) acts on balance rocking arm (2) so that balance rocking arm (2) keeps reset condition trend.
2. line cutting machine molybdenum filament slack adjuster according to claim 1 is characterized in that: described first connecting rod (4) and second connecting rod (5) equal in length, the axis direction of balance rocking arm (2) is parallel with pedestal (1) lateral wall direction.
3. line cutting machine molybdenum filament slack adjuster according to claim 1, it is characterized in that: the syndeton between described bearing pin (7) and the pedestal (1) is, described bearing pin (7) activity passes that the opposite side at pedestal (1) is connected with a regulating wheel (8) behind the pedestal, this regulating wheel (8) can drive bearing pin (7) and rotate around the relative pedestal of himself axis (1), have locating hole (111) on the end face of described pedestal (1), on regulating wheel (8), have screwed hole (81), have lock screw (9) to pass the back locating hole (111) that inserts on pedestal (1) end face of screwed hole (81).
4. line cutting machine molybdenum filament slack adjuster according to claim 3 is characterized in that: the locating hole (111) on described pedestal (1) end face has a plurality of, and the setting that is uniformly distributed along the circumference.
5. according to the described line cutting machine molybdenum filament of arbitrary claim slack adjuster in the claim 1～4, it is characterized in that: described pedestal (1) includes front plate (11) and the rear plate (12) to establishing spaced in parallel to each other, be supported with back-up block (13) between front plate (11) and the rear plate (12), the two ends of back-up block (13) are fixing with front plate (11) and rear plate (12) respectively.
6. line cutting machine molybdenum filament slack adjuster according to claim 5 is characterized in that: top one side of described front plate (11) and rear plate (12) has the assembly wall (14) that turns up, and has installing hole (141) on this assembly wall (14).
7. line cutting machine molybdenum filament slack adjuster according to claim 1, it is characterized in that: described balance rocking arm (2) includes header board (21) and the back plate (22) to establishing spaced in parallel to each other, be supported with contiguous block (23) between header board (21) and the back plate (22), the two ends of contiguous block (23) are fixing with header board (21) and back plate (22) respectively.
8. line cutting machine molybdenum filament slack adjuster according to claim 7, it is characterized in that: the end of described header board (21) and back plate (22) is fixed with bearing block (24) respectively, described guide wheel (3) then is positioned between the diaxon bearing (24), the both sides of this guide wheel (3) have installation shaft (31) respectively, and installation shaft (31) is installed on the bearing block (24) by bearing (10) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201248634U CN201455469U (en) | 2009-07-17 | 2009-07-17 | Molybdenum wire slack adjuster for wire cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201248634U CN201455469U (en) | 2009-07-17 | 2009-07-17 | Molybdenum wire slack adjuster for wire cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201455469U true CN201455469U (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201248634U Expired - Fee Related CN201455469U (en) | 2009-07-17 | 2009-07-17 | Molybdenum wire slack adjuster for wire cutting machine |
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| CN (1) | CN201455469U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689063A (en) * | 2012-05-08 | 2012-09-26 | 李冬庆 | Four-wheel molybdenum wire tensioning device for wire cutting machine tool |
| CN103128388A (en) * | 2013-03-08 | 2013-06-05 | 尤传芳 | Molybdenum wire locking adjuster used for wire cutting machine |
| CN107511545A (en) * | 2017-09-14 | 2017-12-26 | 马现大 | A kind of wire cutting wire tightener |
| CN107813337A (en) * | 2016-09-12 | 2018-03-20 | 杭州国辰正域科技有限公司 | Bi-directional rotary joint with balanced controls |
| CN110480155A (en) * | 2019-08-27 | 2019-11-22 | 湖州慧能机电科技有限公司 | A kind of novel automatic laser electromechanical equipment |
-
2009
- 2009-07-17 CN CN2009201248634U patent/CN201455469U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689063A (en) * | 2012-05-08 | 2012-09-26 | 李冬庆 | Four-wheel molybdenum wire tensioning device for wire cutting machine tool |
| CN103128388A (en) * | 2013-03-08 | 2013-06-05 | 尤传芳 | Molybdenum wire locking adjuster used for wire cutting machine |
| CN103128388B (en) * | 2013-03-08 | 2015-06-03 | 尤传芳 | Molybdenum wire locking adjuster used for wire cutting machine |
| CN107813337A (en) * | 2016-09-12 | 2018-03-20 | 杭州国辰正域科技有限公司 | Bi-directional rotary joint with balanced controls |
| CN107511545A (en) * | 2017-09-14 | 2017-12-26 | 马现大 | A kind of wire cutting wire tightener |
| CN110480155A (en) * | 2019-08-27 | 2019-11-22 | 湖州慧能机电科技有限公司 | A kind of novel automatic laser electromechanical equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YOU ZHUANFANG Free format text: FORMER OWNER: YOU YANGZHOU Effective date: 20120121 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 315806 NINGBO, ZHEJIANG PROVINCE TO: 315826 NINGBO, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120121 Address after: Beilun Daqi Street Town Zhejiang city Ningbo province 315826 Bay Village No. 176 Patentee after: You Chuanfang Address before: 315806 Zhejiang city of Ningbo province Beilun Daqi street wearing Nanjing Road No. 311 Patentee before: You Yangzhou |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20160717 |