CN208991918U - A kind of stationary fixture for wire cutting - Google Patents

Abstract

The utility model discloses a kind of stationary fixtures for wire cutting, including pedestal and the support frame being fixed on the base, silk pedestal is fixed in the middle part of support frame, thread guide mechanism is fixed at the top of support frame, steel wire storage disk is installed on the upper silk pedestal, upper silk pedestal includes upper silk bottom plate and the upper silk side plate far from support frame side that is fixed on silk bottom plate, hold-down mechanism for the steel wire storage disk that slows down is installed on upper silk side plate, the thread guide mechanism includes filament guiding seat, floating lever and godet roller, filament guiding seat is fixed on the support frame, and vertical through-hole is provided on filament guiding seat, floating lever is slidably matched with through-hole, floating lever upper end is fixed with limit plate, floating spring is fixed between limit plate and filament guiding seat upper surface, the godet roller is mounted on floating lever bottom, floating lever lower part is equipped with wire electrode Ce Zhi mechanism.Steel wire storage disk Automatic-clamping can be reduced labor intensity so as to avoid excessive manual operation by the utility model.

Description

A kind of stationary fixture for wire cutting

Technical field

The utility model relates to electric spark linear cutting machine fields, and in particular to a kind of stationary fixture for wire cutting.

Background technique

Currently, molybdenum filament after a period of use, needs to regularly replace in electric spark linear cutting machine, and more renew molybdenum filament Process is on the wire storage cylinder for being transferred to new molybdenum filament on lathe from the steel wire storage disk outside electric spark linear cutting machine, and will be along The distribution of wire storage cylinder axis direction uniform winding, the process are known as upper silk.Due to upper silk process be usually manually by steel wire storage chuck clamping, So that its revolving speed is less than wire storage cylinder revolving speed and prevent it from larger shake occur, this manual mode of operation's labor intensity is larger and easy There is error, it is therefore desirable to which designing one kind can be by the fixture of steel wire storage chuck clamping to reduce labor intensity.

Summary of the invention

The purpose of this utility model is to provide a kind of stationary fixture for wire cutting, which can be automatic by steel wire storage disk It clamps, so as to avoid excessive manual operation, reduces labor intensity.

The purpose of this utility model is achieved through the following technical solutions: a kind of stationary fixture for wire cutting, packet The support frame for including pedestal and being fixed on the base is provided with multiple fixing bolts on pedestal, and the middle part of support frame as described above is fixed There is upper silk pedestal, the top side of support frame is fixed with thread guide mechanism, steel wire storage disk, upper silk pedestal are equipped on the upper silk pedestal Including upper silk bottom plate and it is fixed on upper silk side plate of the upper silk bottom plate far from support frame side, is equipped on upper silk side plate for subtracting The hold-down mechanism of fast steel wire storage disk, hold-down mechanism include compression plate, push-pull rod and positioning disk, and compression plate is located at steel wire storage disk and upper silk side Between plate, and compression plate inner side end is provided with the rotation axis being rotatably assorted with steel wire storage disk end flange hole, compression plate inner end It is provided with the multiple balls contacted with steel wire storage disk on face, is provided on the side wall of support frame as described above and steel wire storage disk other end flange hole The rotation axis being rotatably assorted, steel wire storage disk are installed in rotation between the rotation axis of two sides, outside described push-pull rod one end and compression plate Side end face is fixedly connected, and the other end is pierced by silk side plate and is fixed with lifting head, solid between the upper silk side plate and compression plate Surely there is the holddown spring being sleeved on push-pull rod, the positioning disk is fixed on push-pull rod close to one end of lifting head, guiding It is provided with multiple pilot holes on disk, more guide rods are fixed in the compression plate end face outside, guide rod one end passes through upper silk side Plate is simultaneously slidably matched with the pilot hole of positioning disk, and the upper silk lower surface of base plate is fixed with joist, and joist is close to thread guide mechanism One end is equipped with amendment guide wheel, and the thread guide mechanism includes filament guiding seat, floating lever and godet roller, and filament guiding seat is fixed on support frame On, and vertical through-hole is provided on filament guiding seat, floating lever is slidably matched with through-hole, and floating lever upper end is fixed with limit plate, limit Floating spring is fixed between plate and filament guiding seat upper surface, the godet roller is mounted on floating lever bottom, the installation of floating lever lower part There is wire electrode Ce Zhi mechanism.

Further, the joist close to one end of thread guide mechanism integrally formed with U-shaped seat, two ends of U-shaped seat it is interior Integrally formed with hemispherical amendment protrusion on side wall, the both sides of the face of the amendment guide wheel are provided with and amendment protrusion rotation The shrinkage pool of cooperation, amendment guide wheel are installed in rotation between two ends of U-shaped seat by shrinkage pool.

Further, rolling bearing is installed between the rotation axis and steel wire storage disk end flange hole, support frame as described above Restraining position ring block is set between side wall and the end flange of steel wire storage disk, and stop collar is set on the rotating shaft, and stop collar is close to steel wire storage Wearing layer is bonded on one side end face of disk.

Further, wire electrode Ce Zhi mechanism positioning screw and survey straight-bar, positioning screw are fixed on floating lever, and Positioning screw is located at the surface of godet roller, surveys straight-bar one end by being threadedly engaged on positioning screw, also matches on positioning screw Closing has the nut for compressing and surveying straight-bar.

The utility model has the beneficial effect that

1, by setting hold-down mechanism, not needing human assistance pressing just can compress steel wire storage disk, to reduce artificial Labor intensity；

2, by setting thread guide mechanism, it can adjust the wire electrode tensile force suffered in transfer, to guarantee that subsequent line is cut The machining accuracy cut；

3, by setting amendment guide wheel, offset of the wire electrode between steel wire storage disk and thread guide mechanism can be corrected, guarantees electricity Polar filament passes through setting wire electrode Ce Zhi mechanism smoothly around on godet roller, it is ensured that the Aligning degree of wire electrode, to improve The uniformity of subsequent folded silk.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the left view schematic diagram of support frame in the utility model.

Marked in the figure: 1- pedestal；2- support frame；The upper silk pedestal of 3-；4- steel wire storage disk；5- hold-down mechanism；6- fixing bolt；7- Filament guiding seat；8- floating lever；9- positioning screw；10- surveys straight-bar；11- limit plate；12- floating spring；13- godet roller；21- first Rotation axis；22- rolling bearing；23- stop collar；24- wearing layer；The upper silk side plate of 31-；32- joist；33-U type seat；34- amendment is led Wheel；35- amendment protrusion；51- compression plate；52- ball；53- push-pull rod；54- holddown spring；The second rotation axis of 55-；56- guiding Disk；57- guide rod.

Specific embodiment

As depicted in figs. 1 and 2, the stationary fixture provided in this embodiment for wire cutting includes pedestal 1 and is fixed on Support frame 2 on pedestal 1, multiple fixing bolts 6 are provided on pedestal 1, and pedestal 1 can be steady with other platforms by fixing bolt 6 Fixed connection.

In the present embodiment, support frame 2 is preferably shaped to L-type, and the vertical beam of support frame 2 is fixed on pedestal 1, support frame 2 Crossbeam be fixed on the vertical beam of support frame 2, silk pedestal 3 is fixed in the middle part of 2 vertical beam of support frame, is installed on upper silk pedestal 3 There is steel wire storage disk 4, specifically, upper silk pedestal 3 is including upper silk bottom plate and is fixed on upper silk of the silk bottom plate far from 2 side of support frame Side plate 31, the hold-down mechanism 5 for the steel wire storage disk 4 that slows down is equipped on upper silk side plate 31, and hold-down mechanism 5 includes compression plate 51, pushes away Pull rod 53 and positioning disk 56, compression plate 51 are located between steel wire storage disk 4 and upper silk side plate 31, and 51 inner side end of compression plate is provided with The second rotation axis 55 being rotatably assorted with 4 end flange hole of steel wire storage disk, the inner side end refer to close to the end of 4 side of steel wire storage disk Face is provided with the multiple balls 52 contacted with steel wire storage disk 4 on 51 inner side end of compression plate, and ball 52 can reduce sliding friction.Institute State the first rotation axis 21 for being provided on the side wall of support frame 2 and being rotatably assorted with 4 other end flange hole of steel wire storage disk, the first rotation axis 21 and second rotation axis 55 rolling bearing 22 is installed between 4 end flange hole of steel wire storage disk, steel wire storage disk 4 is mounted on two sides Between rolling bearing 22.Restraining position ring block 23, stop collar are set between the side wall of support frame as described above 2 and the end flange of steel wire storage disk 4 23 are sleeved in the first rotation axis 21, and stop collar 23 is bonded with wearing layer 24, wearing layer on a side end face of steel wire storage disk 4 24 are made of graphite material.In order to apply pressure, described 53 one end of push-pull rod and 51 outboard end of compression plate automatically to steel wire storage disk 4 Face is fixedly connected, and the other end is pierced by silk side plate 31 and is fixed with lifting head, between the upper silk side plate 31 and compression plate 51 It is fixed with the holddown spring 54 being sleeved on push-pull rod 53, the positioning disk 56 is fixed on push-pull rod 53 close to lifting head One end is provided with multiple pilot holes on positioning disk 56, is fixed with more guide rods 57, guide rod in 51 end face outside of compression plate 57 one end pass through upper silk side plate 31 and are slidably matched with the pilot hole of positioning disk 56.Head is lifted by pulling, steel wire storage disk 4 is blocked Tightly between two sides rolling bearing 22, push-pull rod 53 is decontroled, under the restoring force effect of holddown spring 54, ball 52 and wearing layer 24 push against 4 liang of end flange faces of steel wire storage disk, damping force that can be certain to steel wire storage disk 4, prevent that it from shaking or revolving speed is too fast.

In order to correct the motion track of the wire electrode on steel wire storage disk 4, the upper silk lower surface of base plate is fixed with joist 32, support Beam 32 is equipped with amendment guide wheel 34 close to one end of thread guide mechanism, and specifically, the joist 32 is close to one end of thread guide mechanism one Body formed have a U-shaped seat 33, described integrally formed with hemispherical amendment protrusion 35 on the inner sidewall of U-shaped 33 two ends of seat The both sides of the face of amendment guide wheel 34 are provided with the shrinkage pool being rotatably assorted with amendment protrusion 35, and amendment guide wheel 34 can be turned by the shrinkage pool It is mounted between two ends of U-shaped seat 33 dynamicly, it, can when the wire electrode on steel wire storage disk 4 deviates the axis direction of joist 32 Drive amendment guide wheel 34 that the mobile offset of wire electrode is followed to keep away to guarantee that wire electrode is normally contacted with the race for correcting guide wheel 34 Exempt to cause rigid abrasion because deviating race.

In the present embodiment, the thread guide mechanism includes filament guiding seat 7, floating lever 8 and godet roller 13, and filament guiding seat 7 is fixed on branch On the crossbeam of support 2, and vertical through-hole is provided on filament guiding seat 7, floating lever 8 is slidably matched with the through-hole, and 8 upper end of floating lever is solid Surely there is limit plate 11, floating spring 12 is fixed between 7 upper surface of limit plate 11 and filament guiding seat, the godet roller 13 is mounted on floating The lower part of lever 8, in the case that the tensile force suffered by the wire electrode persistently increases, wire electrode can make godet roller 13 and floating lever 8 to Lower movement keeps wire electrode stress balance, to guarantee the uniform journey of subsequent folded silk under the elastic force effect of floating spring 12 Degree.8 lower part of floating lever is equipped with wire electrode Ce Zhi mechanism, wire electrode Ce Zhi mechanism positioning screw 9 and survey straight-bar 10, positioning Screw rod 9 is fixed on floating lever 8 on the side wall of 13 the same side of godet roller, and positioning screw 9 is located at the surface of godet roller 13, 10 one end of straight-bar is surveyed by being threadedly engaged on positioning screw 9, the nut for compressing and surveying straight-bar 10 is also combined on positioning screw 9, When wire electrode is around to when passing through godet roller 13 and leading to the wire storage cylinder on lathe, straight-bar 10 is surveyed in rotation can compare whether wire electrode draws Straight alignment surveys after the completion of straight compare to guarantee the uniformity coefficient of subsequent folded silk, backs out nut, remove and survey straight-bar 10.

The above is only the utility model preferred embodiment, but the protection scope of the utility model is not limited to This, any transformation carried out based on technical solution provided by the utility model and inventive concept and replacement should all be covered in this reality With in novel protection scope.

Claims (4)

1. a kind of stationary fixture for wire cutting, it is characterised in that: including pedestal and the support frame being fixed on the base, bottom Multiple fixing bolts are provided on seat, silk pedestal are fixed in the middle part of support frame as described above, the top side of support frame is fixed with Thread guide mechanism, is equipped with steel wire storage disk on the upper silk pedestal, and upper silk pedestal includes upper silk bottom plate and to be fixed on silk bottom plate remote Upper silk side plate from support frame side, the hold-down mechanism for the steel wire storage disk that slows down is equipped on upper silk side plate, and hold-down mechanism includes Compression plate, push-pull rod and positioning disk, compression plate are located between steel wire storage disk and upper silk side plate, and compression plate inner side end be provided with The rotation axis that steel wire storage disk end flange hole is rotatably assorted is provided with the multiple rollings contacted with steel wire storage disk on compression plate inner side end Pearl, the rotation axis being rotatably assorted with steel wire storage disk other end flange hole is provided on the side wall of support frame as described above, and steel wire storage disk can be rotated Ground is mounted between the rotation axis of two sides, and described push-pull rod one end is fixedly connected with compression plate end face outside, and the other end is pierced by silk Side plate is simultaneously fixed with lifting head, is fixed with the holddown spring being sleeved on push-pull rod between the upper silk side plate and compression plate, The positioning disk is fixed on push-pull rod and is provided with multiple pilot holes, the compression plate on one end of lifting head, positioning disk More guide rods are fixed in end face outside, guide rod one end passes through upper silk side plate and is slidably matched with the pilot hole of positioning disk, The upper silk lower surface of base plate is fixed with joist, and joist is equipped with amendment guide wheel, the guiding machine close to one end of thread guide mechanism Structure includes filament guiding seat, floating lever and godet roller, and filament guiding seat is fixed on the support frame, and vertical through-hole is provided on filament guiding seat, is floated Lever is slidably matched with through-hole, and floating lever upper end is fixed with limit plate, and floating is fixed between limit plate and filament guiding seat upper surface Spring, the godet roller are mounted on floating lever bottom, and floating lever lower part is equipped with wire electrode Ce Zhi mechanism.

2. the stationary fixture according to claim 1 for wire cutting, it is characterised in that: the joist is close to thread guide mechanism One end integrally formed with U-shaped seat, integrally formed with hemispherical amendment protrusion, institute on the inner sidewall of U-shaped two ends of seat The both sides of the face for stating amendment guide wheel are provided with the shrinkage pool being rotatably assorted with amendment protrusion, and amendment guide wheel is rotationally pacified by shrinkage pool Between two ends of U-shaped seat.

3. the stationary fixture according to claim 1 for wire cutting, it is characterised in that: the rotation axis and steel wire storage disk end Rolling bearing is installed between portion's flange hole, is provided with limit between the side wall of support frame as described above and the end flange of steel wire storage disk Ring, stop collar is set on the rotating shaft, and stop collar is bonded with wearing layer on a side end face of steel wire storage disk.

4. the stationary fixture according to claim 1 for wire cutting, it is characterised in that: wire electrode Ce Zhi mechanism is fixed Position screw rod and survey straight-bar, positioning screw are fixed on floating lever, and positioning screw is located at the surface of godet roller, surveys straight-bar one end By being threadedly engaged on positioning screw, the nut for compressing and surveying straight-bar is also combined on positioning screw.