CN107052479B - A kind of guide frame is liftable inverted to exempt to wear thread feed electric spark cutting processing device - Google Patents
A kind of guide frame is liftable inverted to exempt to wear thread feed electric spark cutting processing device Download PDFInfo
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- CN107052479B CN107052479B CN201710330540.XA CN201710330540A CN107052479B CN 107052479 B CN107052479 B CN 107052479B CN 201710330540 A CN201710330540 A CN 201710330540A CN 107052479 B CN107052479 B CN 107052479B
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- guide wheel
- wheel
- fixed plate
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- wheel bracket
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
- B23H1/04—Electrodes specially adapted therefor or their manufacture
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The present invention discloses that a kind of guide frame is liftable inverted to exempt to wear thread feed electric spark cutting processing device, including workpiece clamping table, the first wheel bracket fixed plate, the second wheel bracket fixed plate, curled hair cylinder, wire electrode, the first guide wheel, the second guide wheel, upper block, lower tumbler and several groups electric spark guide wheel organisation of working.Electric spark guide wheel organisation of working includes being connected to wheel bracket fixed plate lower part and horizontally movable upper left guide wheel and upper right guide wheel, and be set to lower section and horizontally movable lower-left guide wheel and bottom right guide wheel among upper left guide wheel and upper right guide wheel；Wire electrode be successively around in curled hair cylinder, the first guide wheel of the first wheel bracket fixed plate and upper block, the first guide wheel of the second wheel bracket fixed plate and the second guide wheel and several groups electric spark guide wheel organisation of working, the lower tumbler of the first wheel bracket fixed plate and the second guide wheel and form closed loop.Compared with prior art, the present invention have many advantages, such as installation it is simple and convenient, using reliable and effectively improve production efficiency.
Description
Technical field
The present invention relates to connecting rod spark erosion technique field, in particular to a kind of guide frame is liftable inverted to exempt to wear silk
Spark cutting processing unit (plant).
Background technique
In con-rod fracture splitting processing technology, need to process two along axial direction in the big end hole inner wall symmetric position of connecting rod
Stress slot.In the prior art, the processing methods such as broaching, laser, water jet, Wire EDM are generally used.
Wherein, when broaching layout processing stria, need the point of a knife of cutter sharp, therefore cutter is extremely easy in process
Situations such as generation is worn, processing quality is unstable, to be eliminated.Laser processing mode is high-efficient, quality is stable, but high
Manufacturing cost and use and maintenance cost hamper its popularization and application.Although in addition water jet grooving mode is reported,
It is not to be seen in implementation.
And Wire-cut Electrical Discharge Machining is very suitable to processing stria, because Wire-cut Electrical Discharge Machining mode is using continuous
Mobile fine wire (referred to as wire electrode) is used as electrode, carries out pulse spark electric discharge to workpiece to corrode removal metal to cut
It is cut into type.Compared with traditional machining mode, Wire-cut Electrical Discharge Machining is in addition to in noncontact processing, process
Not macroscopical cutting force was easily achieved outside the features such as process automation, applied also for carrying out the material for being difficult to cut
Processing can process the special part of shape, or be subject to structure in the processing of complex-shaped part and improve, to improve knot
The advantages that more prominent in structure technique.Therefore in mold manufacture, forming tool, template, micropore, arbitrary curve, narrow slit, narrow slot
Increasingly extensive application is obtained in processing and other fields.However, due to being limited in Wire-cut Electrical Discharge Machining by wearing a structure,
Efficiency is lower when processing connecting rod stress slot, cause the new Wire EDM wire-walking method for being applied to the processing of connecting rod stress slot and
Device is to be improved.
Chinese patent " cracking connecting-rod initial stress trough two-way processing device " (application number 200710030548.0) discloses
A kind of main wire frame is set to below connecting rod, and workbench can not achieve the bi-directional synchronization grooving wire electric discharge machine method of lifting.
To a certain extent, the processing method of this structure type is applied to can satisfy small lot connecting rod stress slot in actual production and add
Work requirement, and it is preferable to process back link stress slot quality, to promote Wire-cut Electrical Discharge Machining technology in connecting rod stress
The development of slot manufacture field.
But above-mentioned cracking connecting-rod initial stress trough two-way processing device is more difficult on wearing silk, once sending out when processing
Raw fracture of wire, more time can be expended and influence batch machining efficiency by wearing silk, and cracking connecting-rod initial stress trough two-way processing device is answered
For in the processing of practical connecting rod stress slot, both workpiece clamping table and guide frame not can be carried out OQ t and determine in clamping connecting rod
When, electrode-wire wheel must penetrate from crank pin end pore one end from the other end to be pierced by, therefore cause clamping to connect when batch operation
It is relatively complicated when bar, processing efficiency is reduced, and connecting rod is easy the guide frame guide rod of crash device and influences grooving processing essence
Degree even damage Wire EDM wire drive device.
Summary of the invention
The main object of the present invention is to propose that a kind of simple and convenient, the service-strong guide frame of installation is liftable inverted to exempt from
Wear thread feed electric spark cutting processing device, it is intended to improve the working efficiency of crank pin end pore stress slot processing.
To achieve the above object, a kind of guide frame proposed by the present invention is liftable inverted exempts to wear thread feed electric spark cutting processing
Device, including the workpiece clamping table for fixing connecting rod, the first wheel bracket for being fixedly installed on above the workpiece clamping table
Fixed plate is set to the workpiece clamping table top and the second wheel bracket fixed plate, curled hair cylinder and electricity moving up and down
Polar filament；The first wheel bracket fixed plate and the second wheel bracket fixed plate top are fixedly connected with several and first lead
Wheel, the first wheel bracket fixed plate lower part and the second wheel bracket fixed plate lower part be fixedly connected with several second
Guide wheel, the first wheel bracket fixed plate top are equipped with upper block and are higher than the first wheel bracket fixed plate tip edge,
The first wheel bracket fixed plate lower part is equipped with lower tumbler and is lower than the first wheel bracket fixed plate bottom edge；It is described to lead
The same side lower part of wheel support fixed plate is equipped with several groups electric spark guide wheel organisation of working, and the electric spark guide wheel organisation of working includes
It is connected to wheel bracket fixed plate lower part and horizontally movable upper left guide wheel and upper right guide wheel, and is set to upper left and leads
Lower section and horizontally movable lower-left guide wheel and bottom right guide wheel among wheel and the upper right guide wheel；The wire electrode is successively around in institute
State curled hair cylinder, first guide wheel of the first wheel bracket fixed plate and the upper block, second wheel bracket is consolidated
Electric spark guide wheel organisation of working, first guide wheel described in first guide wheel and second guide wheel and several groups of fixed board
The lower tumbler of bracket fixing plate and second guide wheel and form closed loop.
Preferably, the wire electrode is successively around the upper right guide wheel upper left circumference of the electric spark guide wheel organisation of working
Face, bottom right guide wheel bottom right periphery, lower-left guide wheel lower-left periphery and the upper left guide wheel upper right periphery are real
The 180 ° of commutations of existing wire electrode.
Preferably, the wire electrode be successively around in the first wheel bracket fixed plate the first guide wheel bottom right periphery,
The upper block upper semi-circle circumferential surface and the first guide wheel lower-left periphery of the second wheel bracket fixed plate realize wire electrode
180 ° of commutations；The wire electrode is successively around in the second guide wheel upper left periphery of the second wheel bracket fixed plate, described
First guide wheel upper right of the lower tumbler lower half periphery of one wheel bracket fixed plate and the first wheel bracket fixed plate circle
Circumferential surface realizes 180 ° of wire electrode commutations.
Preferably, first guide wheel, second guide wheel, the upper block and the lower tumbler are unilateral suspension type
Guide wheel.
Preferably, described device includes the tensioning wheel for compressing the wire electrode.
Preferably, the sum of the lower-left guide wheel and the bottom right guide wheel diameter are less than crank pin end pore internal diameter.
Technical solution of the present invention is solid by the way that the first fixed wheel bracket is arranged above the workpiece clamping table of fixed setting
Fixed board and the second wheel bracket fixed plate moving up and down, wherein wire electrode is successively around in curled hair cylinder, the first wheel bracket
The first guide wheel and upper block of fixed plate, the first guide wheel of the second wheel bracket fixed plate and the second guide wheel and several groups electrical fire
It spends guide wheel organisation of working, the lower tumbler of the first wheel bracket fixed plate and the second guide wheel and forms closed loop.
In technical solution of the present invention, the first rail brackets fixed plate is fixed setting, and the second rail brackets fixed plate is
It can move up and down, while be set to the lower-left guide wheel below the second rail brackets fixed plate and bottom right guide wheel and workpiece clamping table top
There are certain distances between face, so as to simplify the fixture design and clamping workpiece of workpiece clamping table.
In technical solution of the present invention, the first guide wheel, the second guide wheel, upper block and lower tumbler are that unilateral suspension type is led
Wheel, is only needed a worker that can be rapidly completed when fracture of wire occurs using unilateral suspension type guide wheel and wears silk, facilitate later period maintenance work
Make.
In technical solution of the present invention, upper block is higher than the second wheel bracket fixed plate tip edge, lower tumbler is lower than second
Wheel bracket fixed plate bottom edge, therefore the second wheel bracket fixed plate can be in the vertical height of upper block and lower tumbler bracket
Degree difference carries out flexible motion, and reliably carries out the mobile processing realized to crank pin end pore.
In technical solution of the present invention, multiple electric spark guide wheel organisation of workings are equipped in the lower part of the second wheel bracket fixed plate
To be processed simultaneously to the crank pin end pore of multiple connecting rods, to improve processing efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the liftable inverted structural schematic diagram for exempting to wear thread feed electric spark cutting processing device of guide frame of the present invention；
Fig. 2 is the liftable inverted structural representation for exempting to wear the processing of thread feed electric spark cutting processing device of guide frame of the present invention
Figure；
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Work clamping bench | 64 | Upper right guide wheel |
| 2 | First rail brackets fixed plate | 7 | Upper block |
| 3 | Second rail brackets fixed plate | 8 | Lower tumbler |
| 4 | First guide wheel | 9 | Wire electrode |
| 5 | Second guide wheel | 10 | Curled hair cylinder |
| 6 | Electric spark guide wheel organisation of working | 11 | Tensioning wheel |
| 61 | Upper left guide wheel | 12 | Connecting rod |
| 62 | Lower-left guide wheel | 121 | Crank pin end pore |
| 63 | Bottom right guide wheel |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes that a kind of guide frame is liftable and inverted exempts to wear thread feed electric spark cutting processing device.
Referring to Figure 1, guide frame proposed by the present invention it is liftable it is inverted exempt to wear in thread feed electric spark cutting processing device, wrap
Include the workpiece clamping table 1 for fixing connecting rod 12, the first wheel bracket fixed plate 2 for being fixedly installed on the top of workpiece clamping table 1,
It is set to 1 top of workpiece clamping table and the second wheel bracket fixed plate 3, curled hair cylinder 10 and wire electrode 9 moving up and down.?
In the embodiment of the present invention the first wheel bracket fixed plate 2 and 3 top of the second wheel bracket fixed plate be fixedly connected with several
One guide wheel 4,2 lower part of the first wheel bracket fixed plate and 3 lower part of the second wheel bracket fixed plate be fixedly connected with several second
Guide wheel 5.Wherein in the embodiment of the present invention, the first guide wheel 4 and the second wheel bracket fixed plate 3 of the first wheel bracket fixed plate 2
The first guide wheel 1 be substantially on the same horizontal line, while the second guide wheel 5 and second of the first wheel bracket fixed plate 2 is led
Second guide wheel 5 of wheel support fixed plate 3 is substantially on the same horizontal line.In embodiments of the present invention, the first wheel bracket
2 top of fixed plate is equipped with upper block 7 and is higher than 2 tip edge of the first wheel bracket fixed plate, 2 lower part of the first wheel bracket fixed plate
It is lower than 2 bottom edge of the first wheel bracket fixed plate equipped with lower tumbler 8.The same side lower part of second wheel bracket fixed plate 3 is equipped with
Several groups electric spark guide wheel organisation of working 6, wherein electric spark guide wheel organisation of working 6 includes being connected to the second wheel bracket fixed plate
3 lower parts and horizontally movable upper left guide wheel 61 and upper right guide wheel 64, and be set in upper left guide wheel 61 and upper right guide wheel 64
Between lower section and horizontally movable lower-left guide wheel 62 and bottom right guide wheel 63.In the embodiment of the present invention, the second wheel bracket fixed plate 3
The other side is equipped with left slider and right sliding block, and upper left guide wheel 61 and lower-left guide wheel 62 pass through the second wheel bracket fixed plate 3 and left cunning
Block is connected, and upper right guide wheel 64 and bottom right guide wheel 63 pass through the second wheel bracket fixed plate 3 and be connected with right sliding block, in left slider
The center hand of spiral of heart screw thread and right sliding block is on the contrary, so that left slider and right sliding block are carried out mutually by wire rod thread driving
It is close or be located remotely from each other, upper left guide wheel 61 and lower-left guide wheel 62 and upper right guide wheel 64 and bottom right guide wheel 63 are shown as so simultaneously
Carry out moving horizontally for same distance.The guide frame of the embodiment of the present invention is liftable inverted to exempt to wear thread feed electric spark cutting processing dress
It sets during installation, wire electrode 9 is successively around in curled hair cylinder 10, the first guide wheel 4 of the first wheel bracket fixed plate 2 and upper block 7,
The first guide wheel 4 and the second guide wheel 5 and several groups electric spark guide wheel organisation of working 6, the first guide wheel of two wheel bracket fixed plates 3
The lower tumbler 8 of bracket fixing plate 2 and the second guide wheel 5 and form closed loop.
Specifically, in the embodiment of the present invention, wire electrode 9 is successively left around the upper right guide wheel of electric spark guide wheel organisation of working 6 64
Upper periphery, 63 bottom right periphery of bottom right guide wheel, 62 lower-left periphery of lower-left guide wheel and 61 upper right periphery of upper left guide wheel are real
180 ° of commutations of existing wire electrode 9, wire electrode 9 be successively around in the first wheel bracket fixed plate 24 bottom right periphery of the first guide wheel,
7 upper semi-circle circumferential surface of upper block and the 4 lower-left periphery of the first guide wheel of the second wheel bracket fixed plate 3 realize wire electrode 9
180 ° of commutations, wire electrode 9 are successively around in 5 upper left periphery of the second guide wheel, the first wheel bracket of the second wheel bracket fixed plate 3
The 8 lower half periphery of lower tumbler of fixed plate 2 and the 4 upper right periphery of the first guide wheel of the first wheel bracket fixed plate 2 realize electricity
180 ° of commutations of polar filament 9.
In embodiments of the present invention, the first guide wheel 4, the second guide wheel 5, upper block 7 and lower tumbler 8 are that unilateral suspension type is led
Wheel.
In embodiments of the present invention, guide frame is liftable inverted exempts to wear thread feed electric spark cutting processing device to include for pressing
The tensioning wheel 11 of the tight wire electrode.
In embodiments of the present invention, the sum of lower-left guide wheel 62 and 63 diameter of bottom right guide wheel are less than 121 internal diameter of crank pin end pore.
Below the inverted working principle for exempting to wear thread feed electric spark cutting processing device liftable to the present embodiment guide frame into
Row description:
It is then around in and is set to after wire electrode 9 is bypassed the outer peripheral surface of curled hair cylinder 10 by operator with Fig. 2 referring to Figure 1
First guide wheel, the 4 bottom right periphery on 2 top of the first wheel bracket fixed plate, is then around on the upper block 7 higher than the first guide wheel 4
Semicircle circumferential surface changes then further around in the first guide wheel 4 of the second wheel bracket fixed plate 3 so that wire electrode 9 realizes 180 °
To.Then wire electrode 9 is around in the second guide wheel 5 of the lower section of the second rail brackets fixed plate 3, further around in being set to two adjacent second
Electric spark guide wheel organisation of working 6 between guide wheel 5, when one group of electric spark guide wheel organisation of working 6 that wire electrode 9 passes through, according to
It is secondary to bypass 64 upper left periphery of upper right guide wheel, 63 bottom right periphery of bottom right guide wheel, 62 lower-left periphery of lower-left guide wheel, upper left guide wheel
61 upper right peripheries, it is solid further around the first wheel bracket is crossed after then successively bypassing remaining several groups electric spark guide wheel organisation of working 6
The 5 upper right periphery of the second guide wheel of the 8 lower half periphery of lower tumbler of fixed board 2, the first wheel bracket fixed plate 2, finally around pulleying
Silk 10 outer peripheral surface of cylinder, to form the electrode wire ring of a closure.
Connecting rod 12 to be processed is placed in behind 1 top surface of workpiece clamping table of fixed setting and presss from both sides connecting rod 12 by operator
It holds after fixing, by moving down the second wheel bracket fixed plate 3, because being set to the upper of the first wheel bracket fixed plate 2
Guide wheel 7 is higher than the upper end-face edge of the second wheel bracket fixed plate 3, and the lower tumbler 8 for being set to the first wheel bracket fixed plate 2 is low
In the lower edge of the second wheel bracket fixed plate 3, therefore the second wheel bracket fixed plate 3 can be in upper block 7 and lower tumbler 8
It is moved in the vertical span of the two center.At the same time, because the sum of 63 diameter of lower-left guide wheel 62 and bottom right guide wheel is small
In the internal diameter of crank pin end pore 121, therefore lower-left guide wheel 62 and bottom right guide wheel 63 can pass through crank pin end pore 121.Then
So that lower-left guide wheel 62 and upper left guide wheel 61 carry out horizontal movement together, so that the electricity between upper left guide wheel 61 and lower-left guide wheel 62
Polar filament section is close to 121 inner wall of crank pin end pore and starts to process until there is spark discharge.At the same time, by making
Bottom right guide wheel 63 and upper right guide wheel 64 carry out horizontal movement together, so that the wire electrode between bottom right guide wheel 63 and upper right guide wheel 64
Section is close to 121 inner wall of crank pin end pore and starts to process until there is spark discharge.When 121 inner wall of crank pin end pore
Two sides process stress slot after, upper left guide wheel 61, lower-left guide wheel 62, bottom right guide wheel 63 and upper right guide wheel 64 are answered
Position.By moving up the second wheel bracket fixed plate 3, so that crank pin end pore 121 is detached from the electrical fire of wire electrode 9
Yarn cutting processing, operator will be processed after connecting rod 12 remove complete connecting rod 12 accordingly process, then lead to
It crosses and still unprocessed connecting rod 12 is clamped in workpiece clamping table 1, corresponding subsequent Wire-cut Electrical Discharge Machining can be started.
In the embodiment of the present invention, by the way that the first wheel bracket fixed plate 2 is arranged above the workpiece clamping table 1 of fixed setting
With the second wheel bracket fixed plate 3, wherein the first rail brackets fixed plate 2 is fixed setting, and the second rail brackets fixed plate 3
For that can move up and down, while being set to the lower-left guide wheel 62 below the second rail brackets fixed plate 3 and bottom right guide wheel 63 and workpiece
There are certain distances between 1 top surface of clamping bench, so as to simplify the fixture design and clamping workpiece of workpiece clamping table 1.
In the embodiment of the present invention, the first guide wheel 4, the second guide wheel 5, upper block 7 and lower tumbler 8 are that unilateral suspension type is led
Wheel, is only needed a worker that can be rapidly completed when fracture of wire occurs using unilateral suspension type guide wheel and wears silk, facilitate later period maintenance work
Make.
In the embodiment of the present invention, upper block 7 is higher than 3 tip edge of the second wheel bracket fixed plate, lower tumbler 8 is lower than second
3 bottom edge of wheel bracket fixed plate, therefore the second wheel bracket fixed plate 3 can hanging down in 8 bracket of upper block 7 and lower tumbler
Straight difference in height carries out flexible motion, and reliably carries out the mobile processing realized to crank pin end pore 121.
In addition, in embodiments of the present invention, being equipped with multiple electric spark guide wheels in the lower part of the second wheel bracket fixed plate 3 and adding
Work mechanism 6 is simultaneously to process the crank pin end pore 121 of multiple connecting rods 12, to improve processing efficiency.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly
He is included in scope of patent protection of the invention relevant technical field.
Claims (5)
- Inverted exempt to wear thread feed electric spark cutting processing device 1. a kind of guide frame is liftable, which is characterized in that including for fixing The workpiece clamping table of connecting rod, the first wheel bracket fixed plate being fixedly installed on above the workpiece clamping table, be set to it is described Workpiece clamping table top and the second wheel bracket fixed plate, curled hair cylinder and wire electrode moving up and down；First guide wheel Bracket fixing plate and the second wheel bracket fixed plate top are fixedly connected with several the first guide wheels, the first guide wheel branch Frame fixed plate lower part and the second wheel bracket fixed plate lower part are fixedly connected with several the second guide wheels, first guide wheel Bracket fixing plate top is equipped with upper block and is higher than the first wheel bracket fixed plate tip edge, and first wheel bracket is solid Fixed board lower part is equipped with lower tumbler and is lower than the first wheel bracket fixed plate bottom edge；The wheel bracket fixed plate it is ipsilateral Lower part is equipped with several groups electric spark guide wheel organisation of working, and the electric spark guide wheel organisation of working includes being connected to the wheel bracket Fixed plate lower part and horizontally movable upper left guide wheel and upper right guide wheel, and be set in upper left guide wheel and the upper right guide wheel Between lower section and horizontally movable lower-left guide wheel and bottom right guide wheel, the sum of the lower-left guide wheel and the bottom right guide wheel diameter be less than Crank pin end pore internal diameter；The wire electrode be successively around in the curled hair cylinder, the first wheel bracket fixed plate described first Guide wheel and the upper block, first guide wheel of the second wheel bracket fixed plate and second guide wheel and several groups The electric spark guide wheel organisation of working, the lower tumbler of the first wheel bracket fixed plate and second guide wheel and formed Closed loop.
- 2. device as described in claim 1, which is characterized in that the wire electrode is successively around the electric spark guide wheel organisation of working Upper right guide wheel upper left periphery, bottom right guide wheel bottom right periphery, lower-left guide wheel lower-left periphery and institute It states upper left guide wheel upper right periphery and realizes 180 ° of wire electrode commutations.
- 3. device as described in claim 1, which is characterized in that the wire electrode is successively around in first wheel bracket and fixes First guide wheel bottom right periphery of plate, the upper block upper semi-circle circumferential surface and the second wheel bracket fixed plate first are led It takes turns lower-left periphery and realizes 180 ° of wire electrode commutations；The wire electrode is successively around in the second of the second wheel bracket fixed plate Guide wheel upper left periphery, the lower tumbler lower half periphery of the first wheel bracket fixed plate and first wheel bracket are solid First guide wheel upper right periphery of fixed board realizes 180 ° of wire electrode commutations.
- 4. device as described in claim 1, which is characterized in that first guide wheel, second guide wheel, the upper block and The lower tumbler is unilateral suspension type guide wheel.
- 5. device as described in claim 1, which is characterized in that described device includes the tensioning for compressing the wire electrode Wheel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710330540.XA CN107052479B (en) | 2017-05-11 | 2017-05-11 | A kind of guide frame is liftable inverted to exempt to wear thread feed electric spark cutting processing device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465511A (en) * | 2018-11-06 | 2019-03-15 | 广东工业大学 | A kind of multistation Wire EDM timesharing pulse power synchronous processing method |
| CN110170715B (en) * | 2019-05-24 | 2021-03-19 | 南宫市精强连杆有限公司 | Wire cutting equipment suitable for processing of connecting rod expansion breaking stress groove |
| CN110385491B (en) * | 2019-06-17 | 2021-03-09 | 广东工业大学 | Multi-station assembly line type connecting rod cracking groove linear cutting equipment |
| CN110227868B (en) * | 2019-06-17 | 2020-12-29 | 广东工业大学 | Clamp lifting type connecting rod grooving equipment |
| CN114932278B (en) * | 2022-06-24 | 2023-07-18 | 皖西学院 | One-way wire-moving wire-cut electric discharge machine |
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| JP4988195B2 (en) * | 2005-12-19 | 2012-08-01 | 株式会社ミツトヨ | Wire electrode feeding mechanism and wire electric discharge machine |
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|---|---|---|---|---|
| CN2356799Y (en) * | 1999-01-04 | 2000-01-05 | 陈浩生 | High-precision large taper wire frame for numerically controlled linear cutting machine |
| CN2605951Y (en) * | 2003-03-06 | 2004-03-10 | 陕西科技大学 | Constant tensioning device for cutting electrode wire |
| CN201493578U (en) * | 2009-08-12 | 2010-06-02 | 顾元章 | Closed-loop tension dynamically controlled wire-moving mechanism of electric spark wire cutting machine |
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