CN203356787U - Wire-electrode cutting wire constant tensioning device and wire cut electric discharge machine provided with same - Google Patents
Wire-electrode cutting wire constant tensioning device and wire cut electric discharge machine provided with same Download PDFInfo
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- CN203356787U CN203356787U CN 201320406208 CN201320406208U CN203356787U CN 203356787 U CN203356787 U CN 203356787U CN 201320406208 CN201320406208 CN 201320406208 CN 201320406208 U CN201320406208 U CN 201320406208U CN 203356787 U CN203356787 U CN 203356787U
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- connecting rod
- cutting wire
- rotating shaft
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Abstract
The utility model discloses a wire-electrode cutting wire constant tensioning device and a wire cut electric discharge machine provided with the same. A Belleville spring capable of storing a certain amount of potential energy is adopted, a connecting rod and sliding block assembly and a ratchet mechanism are arranged, a tensioning wheel is arranged on a sliding block of the connecting rod and sliding block assembly, when a wire-electrode cutting wire slightly loosens, the Belleville spring releases the certain amount of the potential energy to drive a rotating shaft to rotate so that the sliding block can be pushed to slide to enable the tensioning wheel on the sliding block to keep the tensioning state to the wire-electrode cutting wire, and the ratchet mechanism enables the rotating shaft to be located on the new position, so that the wire-electrode cutting wire is in a constant tensioning state. A cantilever and a base of the wire cut electric discharge machine are respectively provided with one tensioning device, wire-electrode cutting wires on the two sides of a work-piece to be machined are tensioned constantly in a two-sided mode, and therefore wire-electrode cutting can be carried out smoothly. Meanwhile, the machining precision of wire-electrode cutting and the stability of the cutting surface quality are ensured, the wire-electrode cutting wire constant tensioning device is simple in structure and has good use performance.
Description
Technical field
the utility model relates to the permanent tensioning apparatus of a kind of line cutting wire and has its WEDM.
Background technology
wEDM is in when work, in order to guarantee the reach the standard grade normal operation of cutting wire of wire cutting machine, needs to guarantee that the line cutting wire, under stable tensioning state, therefore adopts tensioning apparatus to carry out tensioning to the line cutting wire.In prior art, normally adopt weight-driven to carry out monolateral or bilateral tensioning to the line cutting wire, yet under such tensioning mode, cutting process center line cutting wire easily occurs lax, can't guarantee the constant tension state of process center line cutting wire, the easy like this machining accuracy that causes the line cutting processing and cutting surfaces quality unstable.
Summary of the invention
the purpose of this utility model is to provide the permanent tensioning apparatus of a kind of line cutting wire, so that the cutting wire on WEDM keeps constant tensioning state in process, improves the crudy of wire cutting machine.
another purpose of the present utility model is to provide a kind of WEDM with the permanent tensioning apparatus of above-mentioned line cutting wire.
for achieving the above object, the technical solution adopted in the utility model is:
the permanent tensioning apparatus of a kind of line cutting wire, be arranged on the frame of WEDM, there is the line cutting wire for cutting processing on described wire cutting machine, described tensioning apparatus comprises the mount pad be fixedly installed on described frame, offer the through hole run through along its thickness direction on described mount pad, be provided with rotationally rotating shaft in described through hole, described rotating shaft is provided with a plurality of butterfly springs, described tensioning apparatus also comprises the connecting rod slider assembly be arranged on described mount pad, ratchet mechanism, described connecting rod slider assembly comprises first connecting rod and the second connecting rod that an end is rotationally connected mutually, be arranged on regularly the guide rail on described mount pad, bearing of trend along described guide rail is slidably arranged in the slide block on described guide rail, the other end of described first connecting rod is arranged in described rotating shaft regularly, the other end of described second connecting rod is connected on described slide block rotationally, described ratchet mechanism comprises the ratchet that is fixedly installed on described rotating shaft one end, be arranged on rotationally the ratchet on described mount pad, for described ratchet being applied to the spring of bias force, upwards there are a plurality of locating slots that can insert for described ratchet the week of described ratchet, the two ends of described spring are fixedly connected on respectively described ratchet, on described mount pad, also be provided with rotationally regulating wheel on described slide block, be provided with rotationally respectively the first godet roller and the second godet roller on described mount pad with on the homonymy of described regulating wheel, described the first godet roller, described the second godet roller lays respectively at the both sides of described guide rail, described line cutting wire successively winding at described the first godet roller, described regulating wheel, on described the second godet roller.
preferably, described first connecting rod, described ratchet are separately fixed on both ends different in described rotating shaft.
preferably, described regulating wheel is positioned at the same side of described mount pad on described slide block with described ratchet mechanism.
preferably, on described guide rail, the end away from described rotating shaft is provided with for described slide block is fixed on to pulling pin on described mount pad.
a kind of WEDM with the permanent tensioning apparatus of above-mentioned line cutting wire, described frame comprises cantilever and base, respectively be provided with one group of described tensioning apparatus on described cantilever, described base, workpiece to be processed is between described the second godet roller between two groups of described tensioning apparatus.
utilization due to technique scheme, the utility model compared with prior art has following advantages: the permanent tensioning apparatus of a kind of line cutting wire of the present utility model, wherein by adopting the butterfly spring that can store certain potential energy, and by connecting rod slider assembly and ratchet mechanism are set, on the slide block of connecting rod slider assembly, regulating wheel is set, when the cutting on line silk is slightly lax, butterfly spring discharges certain potential energy and orders about the rotating shaft rotation, and then the promotion slide block slides and makes the regulating wheel on slide block keep the tensioning state to the line cutting wire, thereby ratchet mechanism positions rotating shaft and guarantees that the line cutting wire is in the constant state that is tensioned under new position.One group of above-mentioned tensioning apparatus is set respectively on the cantilever on WEDM and base, just can carry out bilateral constant tension to the line cutting wire of workpiece to be processed both sides, guarantee carrying out smoothly of line cutting, also guaranteed the machining accuracy of line cutting processing and the stability of cutting surfaces quality simultaneously.The permanent tensioning device structure of this line cutting wire is simple, has good serviceability.
The accompanying drawing explanation
the main TV structure schematic diagram that accompanying drawing 1 is permanent tensioning apparatus of the present utility model;
the backsight structural representation that accompanying drawing 2 is permanent tensioning apparatus of the present utility model;
accompanying drawing 3 is for applying the main TV structure schematic diagram of the wire cutting machine that permanent tensioning apparatus of the present utility model is arranged;
accompanying drawing 4 is for applying the backsight structural representation of the wire cutting machine that permanent tensioning apparatus of the present utility model is arranged.
The specific embodiment
below in conjunction with accompanying drawing and specific embodiment, the technical solution of the utility model is further elaborated.
referring to the permanent tensioning apparatus of the line cutting wire shown in Fig. 1, Fig. 2, this tensioning apparatus is installed on the frame of WEDM and carries out tensioning for the line cutting wire 2 to wire cutting machine.This tensioning apparatus comprises mount pad 1, offer the through hole (not shown) run through along its thickness direction on mount pad 1, be provided with rotationally rotating shaft 3 in above-mentioned through hole, rotating shaft 3 is provided with a plurality of butterfly spring (not shown)s, when by rotating shaft 3 when the Pivot Point Center line rotates to certain position, butterfly spring can store certain potential energy and make rotating shaft 3 along contrary direction rotation until reset.
referring to Fig. 1, shown in Fig. 2, also be provided with connecting rod slider assembly 5 and ratchet mechanism 4 on mount pad 1, ratchet mechanism 4 comprises the ratchet 41 be fixed in rotating shaft 3 with the coaxial setting of rotating shaft 3, the ratchet 42 matched with ratchet 41, for ratchet 42 being applied to the spring 43 of bias force, there are a plurality of ratchets in the peripheral edge section of ratchet 41, form locating slot between every two ratchets, one end of ratchet 42 is connected on mount pad 1 rotationally, ratchet 42 can insert in above-mentioned locating slot, the two ends of spring 43 are separately fixed on the other end and mount pad 1 of ratchet 42, after ratchet 42 inserts in one of them locating slot, only have when the bearing of trend rotation of ratchet 41 along ratchet, ratchet 42 just can fall into a rear locating slot from previous locating slot.Connecting rod slider assembly 5 comprises first connecting rod 51 and second connecting rod 52 that an end is rotationally connected mutually, be fixedly installed on guide rail 53 on mount pad 1, be slidably arranged in the slide block 54 on guide rail 53, the other end of first connecting rod 51 is arranged in rotating shaft 3 regularly, the other end of second connecting rod 52 is arranged on slide block 53 rotationally, when rotating shaft 3 is rotated, first connecting rod 51 rotates, and can order about second connecting rod 52 and promote the bearing of trend slip of slide block 54 along guide rail 53.For ease of arranging, and prevent from existing and interfering between each parts, first connecting rod 51 is separately fixed on both ends different in rotating shaft 3 with ratchet 41.
shown in Figure 1, also be provided with rotationally regulating wheel 6 on slide block 54, also be provided with rotationally the first godet roller 7 and the second godet roller 8 on mount pad 1, the first godet roller 7 and the second godet roller 8 are positioned at the homonymy of mount pad 1 so that seal wire with regulating wheel 6, and the first godet roller 7 and the second godet roller 8 lay respectively at the both sides of guide rail 53, be the both sides up and down of Fig. 2 middle guide 53, line cutting wire 2 successively winding at the first godet roller 7, regulating wheel 6, on the second godet roller 8, when slide block 54 drive regulating wheels 6 move along guide rail 53 to an end, thereby regulating wheel 6 compresses line cutting wire 2 carries out tensioning to the line cutting wire.While arranging, similarly when avoiding 2 wire of line cutting wire and each parts produce and interfere, regulating wheel 6 is arranged on slide block 54 and is positioned at the same side of mount pad 1 with ratchet mechanism 4, and correspondingly, the first godet roller 7 and the second godet roller 8 also are arranged on this sidepiece of mount pad 1.Here, to take the direction that regulating wheel 6 departs from rotating shaft 3 on this tensioning apparatus during winding be the tension direction to line cutting wire 2 to line cutting wire 2.
in the present embodiment, pull pin 9 away from also being provided with on the end of rotating shaft 3 for slide block 54 is fixed on mount pad 1 on guide rail 53, when the cutting on line machine carries out the wrapping wire operation, can be first by pulling pin, 9 slide block 54 be fixed on mount pad 1, while after wrapping wire completes, line cutting wire 2 being carried out to tensioning, extract 9 release slider 54 of pulling pin, require rotating shaft 3 and by ratchet mechanism 4, rotating shaft 3 be fixed on to this position according to the tensioning of line cutting wire 2 again, making the butterfly spring on this state lower rotary shaft 3 store certain potential energy simultaneously.
referring to Fig. 1, shown in Fig. 2, in the cutting processing process, when line cutting wire 2 is slightly lax, under the effect of cutting on line silk 3 tensile forces, slide block 54 has the trend moved towards rotating shaft 3, cause second connecting rod 52 to promote first connecting rod 51 and drive rotating shaft 3 rotations, now in rotating shaft 3 under the effect of butterfly spring, the elastic potential energy of butterfly spring is discharged, drive rotating shaft 3 opposite spins, that is turning clockwise under Fig. 1 state, also that is observer's being rotated counterclockwise while observing Fig. 2, now, first connecting rod 51 rotates and drives second connecting rod 52 to promote the direction slippage of slide block 54 away from rotating shaft 3, again line cutting wire 2 is formed to tensioning.In the time of rotating shaft 3 rotation, ratchet 41 is corresponding rotation also, and ratchet 42 is in the active force of spring 43 falls into locating slot relative with ratchet 42 ends on ratchet 41, and countershaft 3 is realized locking again, thereby guarantees the constant tension of 6 pairs of line cutting wires 2 of regulating wheel.If when slide block 54 slides into limit point, need make butterfly spring again store certain potential energy by artificial rotating shaft 3 again, and make slide block 54 there is certain slip region.
the structural representation of the WEDM of the permanent tensioning apparatus of this line cutting wire is arranged for application as shown in Figure 3, Figure 4, on this wire cutting machine, respectively be provided with one group of permanent tensioning apparatus of above-mentioned cutting wire on the cantilever 10 of frame and base 11, workpiece to be processed is on the workbench (not shown) between base 11 and cantilever 10.One end winding of line cutting wire 2 is on curled hair cylinder 12, import again the first godet roller 7 of the permanent tensioning apparatus of cutting wire on cantilever 10 through commutation godet roller 13,14, and import the permanent tensioning apparatus of cutting wire on base 11 through regulating wheel 6 and the second godet roller 8, first through the second godet roller 8, again after regulating wheel 6, the first godet roller 7 guiding on the permanent tensioning apparatus of the cutting wire of line cutting wire 2 on base 11, this end winding again, on curled hair cylinder 12, has so just formed the toroid cutting wire of a sealing.Workpiece to be processed is between two the second godet rollers 8.The line cutting wire 2 that is positioned at like this both sides of workpiece to be processed all can keep constant tensioning state, has guaranteed carrying out smoothly of line cutting, has also guaranteed the machining accuracy of line cutting processing and the stability of cutting surfaces quality simultaneously.
above-described embodiment is only explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (5)
1. the permanent tensioning apparatus of a line cutting wire, be arranged on the frame of WEDM, there is the line cutting wire for cutting processing on described wire cutting machine, it is characterized in that: described tensioning apparatus comprises the mount pad be fixedly installed on described frame, offer the through hole run through along its thickness direction on described mount pad, be provided with rotationally rotating shaft in described through hole, described rotating shaft is provided with a plurality of butterfly springs, described tensioning apparatus also comprises the connecting rod slider assembly be arranged on described mount pad, ratchet mechanism, described connecting rod slider assembly comprises first connecting rod and the second connecting rod that an end is rotationally connected mutually, be arranged on regularly the guide rail on described mount pad, bearing of trend along described guide rail is slidably arranged in the slide block on described guide rail, the other end of described first connecting rod is arranged in described rotating shaft regularly, the other end of described second connecting rod is connected on described slide block rotationally, described ratchet mechanism comprises the ratchet that is fixedly installed on described rotating shaft one end, be arranged on rotationally the ratchet on described mount pad, for described ratchet being applied to the spring of bias force, upwards there are a plurality of locating slots that can insert for described ratchet the week of described ratchet, the two ends of described spring are fixedly connected on respectively described ratchet, on described mount pad, also be provided with rotationally regulating wheel on described slide block, be provided with rotationally respectively the first godet roller and the second godet roller on described mount pad with on the homonymy of described regulating wheel, described the first godet roller, described the second godet roller lays respectively at the both sides of described guide rail, described line cutting wire successively winding at described the first godet roller, described regulating wheel, on described the second godet roller.
2. the permanent tensioning apparatus of a kind of line cutting wire according to claim 1, it is characterized in that: described first connecting rod, described ratchet are separately fixed on both ends different in described rotating shaft.
3. the permanent tensioning apparatus of a kind of line cutting wire according to claim 1, it is characterized in that: described regulating wheel is positioned at the same side of described mount pad on described slide block with described ratchet mechanism.
4. the permanent tensioning apparatus of a kind of line cutting wire according to claim 1, it is characterized in that: the end away from described rotating shaft on described guide rail is provided with for described slide block is fixed on to pulling pin on described mount pad.
5. the WEDM with the permanent tensioning apparatus of described line cutting wire as arbitrary as claim 1～4, it is characterized in that: described frame comprises cantilever and base, respectively be provided with one group of described tensioning apparatus on described cantilever, described base, workpiece to be processed is between described the second godet roller between two groups of described tensioning apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320406208 CN203356787U (en) | 2013-07-09 | 2013-07-09 | Wire-electrode cutting wire constant tensioning device and wire cut electric discharge machine provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320406208 CN203356787U (en) | 2013-07-09 | 2013-07-09 | Wire-electrode cutting wire constant tensioning device and wire cut electric discharge machine provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203356787U true CN203356787U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320406208 Expired - Fee Related CN203356787U (en) | 2013-07-09 | 2013-07-09 | Wire-electrode cutting wire constant tensioning device and wire cut electric discharge machine provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203356787U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741716A (en) * | 2015-03-27 | 2015-07-01 | 李冬庆 | Improved guide wheel device |
| CN107511545A (en) * | 2017-09-14 | 2017-12-26 | 马现大 | A kind of wire cutting wire tightener |
| CN107914052A (en) * | 2017-12-12 | 2018-04-17 | 嘉善霸器机械制造有限公司 | Wire wire electric discharge machining device in a kind of linear motor |
-
2013
- 2013-07-09 CN CN 201320406208 patent/CN203356787U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741716A (en) * | 2015-03-27 | 2015-07-01 | 李冬庆 | Improved guide wheel device |
| CN107511545A (en) * | 2017-09-14 | 2017-12-26 | 马现大 | A kind of wire cutting wire tightener |
| CN107914052A (en) * | 2017-12-12 | 2018-04-17 | 嘉善霸器机械制造有限公司 | Wire wire electric discharge machining device in a kind of linear motor |
| CN107914052B (en) * | 2017-12-12 | 2023-09-05 | 浙江霸器智能装备股份有限公司 | Wire-moving wire-cut electric discharge machine in linear motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20170709 |