CN218080839U - Ultra-precise discharge wire cutting equipment - Google Patents

Abstract

The utility model belongs to the technical field of wire cutting, in particular to an ultra-precise wire cutting device, which comprises a frame, a paying-off component, a wire component and a cutting component; the pay-off component comprises a first bracket, a pay-off roller and a pay-off motor; the wire assembly comprises a second bracket, a lower wire seat and an upper wire seat; the cutting assembly comprises a fixed cutting platform, a movable cutting platform, a turnover cylinder, a support column, a top plate, a movable mounting plate, an electrode wire and a lifting cylinder; the auxiliary surface pressing component is also included; the utility model discloses a discharge wire cutting equipment, the height of face clamp plate under initial condition is in the bottom of the wire electrode, when the wire electrode moves down and cuts, the face clamp plate pushes down the copper line earlier, cooperates fixed cutting platform and movable cutting platform to guarantee the stability of copper line; upset activity cutting platform that the cylinder drop-down that overturns, the copper line of cutting by oneself landing to receiving in the material frame, realized automatic unloading, the utility model discloses a discharge wire cutting equipment convenient to use, with low costs and unloading are convenient.

Description

Ultra-precise discharge wire cutting equipment

Technical Field

The utility model belongs to the technical field of the wire-electrode cutting, concretely relates to ultra-precise wire-electrode cutting equipment.

Background

The wire cut electric discharge machine belongs to the field of electric machining, local metal can be melted and oxidized to be corroded due to the instantaneous high temperature of electric sparks, and the wire cut electric discharge machine can be divided into three types, namely a high-speed reciprocating wire cut electric discharge machine, a low-speed unidirectional wire cut electric discharge machine and a vertical self-rotating wire cut electric discharge machine according to the wire feeding speed, and can also be divided into a single-column cross workbench type and a double-column type (commonly known as a gantry type) according to the workbench type.

The cutting of the large-diameter copper wire is generally performed by using a wire electric discharge machine, and the large-diameter copper wire is generally cut to a predetermined length and then subjected to diameter reduction by using the wire electric discharge machine in subsequent processing.

And traditional spark-erosion wire cutting equipment is when cutting big line footpath copper line, for guaranteeing the stability and the precision of cutting, consequently all need install fixed knot additional at the both ends of cutting position and construct for make the copper line keep fixed when the cutting, avoid appearing not hard up the condition, equipment cost is higher, and need artifical manual unloading, very troublesome.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides an ultra-precision discharge wire cutting equipment has convenient to use, characteristics with low costs and easily unloading.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ultra-precision wire cutting equipment, includes the frame, still includes that unwrapping wire subassembly, wire subassembly and cutting assembly all install the top of frame, wherein:

the pay-off assembly comprises first supports, pay-off rollers and pay-off motors, the first supports are symmetrically arranged at the top of the rack, the pay-off rollers are transversely erected between the first supports through bearing supports, and the pay-off motors are arranged on the first supports and used for driving the pay-off rollers to rotate;

the wire assembly comprises a second bracket, a lower wire seat and an upper wire seat, the second bracket is arranged at the top of the rack, the lower wire seat is arranged at the top end of the second bracket, the upper wire seat is arranged on the top surface of the lower wire seat and is attached to the lower wire seat, and semicircular wire grooves for copper wires to pass through are formed in the opposite surfaces of the lower wire seat and the upper wire seat;

the cutting assembly comprises a fixed cutting platform, a movable cutting platform, a turnover cylinder, support columns, a top plate, a movable mounting plate, a wire electrode and a lifting cylinder, wherein the fixed cutting platform is fixed above the rack, the movable cutting platform is hinged to the end part of the fixed cutting platform, cutting openings are formed in opposite surfaces of the fixed cutting platform and the movable cutting platform, the turnover cylinder is hinged to the top surface of the rack, a piston rod of the turnover cylinder is hinged to the movable cutting platform, four support columns are fixed to the top surface of the fixed cutting platform in an opposite angle mode, the top plate is fixed to the top ends of the support columns, the movable mounting plate is distributed below the top plate, the lifting cylinder is mounted on the top surface of the top plate, the piston rod of the lifting cylinder penetrates through the top plate and is fixedly connected with the movable mounting plate, the wire electrode is mounted on the movable mounting plate in the horizontal direction, and a material collecting frame below the movable cutting platform is further placed on the rack;

still press the subassembly including supplementary face, two sets of subassembly symmetry is pressed to supplementary face is installed the both sides of movable mounting panel, just supplementary face is pressed the subassembly including fixing overhang board and the elastic connection on the movable mounting panel are in the face clamp plate of overhang board lower part.

As an optimal technical scheme of the utility model, still include No. two nuts and No. two expanding spring the top surface of face clamp plate is fixed with and runs through No. two screw thread posts that the board that stretches by overhang set up, no. two nuts are installed through the screw thread mode of closing soon No. two screw thread posts stretch out to serve, no. two expanding spring cover are established just be in on No. two screw thread posts the board that stretches by overhang with between the face clamp plate.

As a preferred technical scheme of the utility model fixed cutting platform with communicating V type groove down has been seted up to activity cutting platform's top surface V type groove has been seted up to the bottom surface of face clamp plate.

As a preferred technical scheme the limiting plate of "L" form is still installed to the top surface of frame, just the horizontal part of limiting plate is located directly over the activity cutting platform, and works as support when activity cutting platform overturns to the horizontality and paste the horizontal part bottom surface of limiting plate.

As a preferred technical scheme of the utility model, the utility model also comprises a U-shaped frame, a wire guide wheel, a telescopic column and a telescopic spring, wherein the U-shaped frame is hinged at the end part of the lower wire guide seat and can rotate in the horizontal plane, and the wire guide wheel is arranged at the inner side of the U-shaped frame; the lateral surface of wire seat is fixed with two fixed plates that the symmetry distributes down, two flexible post symmetric distribution, just flexible post one end with U type frame is articulated, the other end is articulated with the fixed plate that corresponds flexible post both ends all are fixed with the spacing ring, a flexible spring housing is established on the flexible post and be in two between the spacing ring.

As a preferred technical scheme of the utility model, still include a nut down the top surface of wire seat is fixed with and runs through go up a screw thread post that the wire seat set up, a nut is installed through the screw thread mode of closing soon on the screw thread post.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a discharge wire cutting equipment utilizes unwrapping wire subassembly, the wire subassembly that sets up to be used for supplying the line, and supplementary face pressure subassembly produces the linkage with the wire electrode, and the height of face clamp plate under initial condition is in the bottom of the wire electrode, and when the wire electrode moved down to cut, the face clamp plate pushed down the copper line earlier, cooperates fixed cutting platform and movable cutting platform to guarantee the stability of copper line; upset cylinder drop-down upset activity cutting platform, the copper line of cutting by oneself landing to receiving in the material frame, realized automatic unloading, the utility model discloses a discharge wire cutting equipment convenient to use, with low costs and unloading are convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

fig. 3 is an enlarged schematic view of the auxiliary surface pressing assembly shown in fig. 1 according to the present invention;

in the figure: 1. a frame; 2. a first bracket; 3. a pay-off roller; 4. paying off a motor; 5. a second bracket; 6. a lower wire holder; 7. an upper wire base; 8. a first threaded post; 9. a first nut; 10. a wire guide groove; 11. a U-shaped frame; 12. a wire guide wheel; 13. fixing the cutting platform; 14. a movable cutting platform; 15. cutting the opening; 16. turning over the air cylinder; 17. a support column; 18. a top plate; 19. a movable mounting plate; 20. a wire electrode; 21. a lifting cylinder; 22. an auxiliary surface pressure assembly; 23. a material receiving frame; 24. a limiting plate; 25. a fixing plate; 26. a telescopic column; 27. a limiting ring; 28. a first expansion spring; 29. a cantilevered panel; 30. a surface pressing plate; 31. a V-shaped groove is arranged; 32. a second threaded post; 33. a second nut; 34. a second expansion spring; 35. and a lower V-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides an ultra-precision wire cut electrical discharge equipment, includes frame 1, still includes that unwrapping wire subassembly, wire subassembly and cutting assembly all install the top in frame 1, wherein: the pay-off assembly comprises first supports 2, pay-off rollers 3 and pay-off motors 4, the two first supports 2 are symmetrically arranged at the top of the rack 1, the pay-off rollers 3 are transversely erected between the two first supports 2 through bearing supports, and the pay-off motors 4 are arranged on the first supports 2 and used for driving the pay-off rollers 3 to rotate; the wire assembly comprises a second bracket 5, a lower wire seat 6 and an upper wire seat 7, wherein the second bracket 5 is arranged at the top of the frame 1, the lower wire seat 6 is arranged at the top end of the second bracket 5, the upper wire seat 7 is arranged on the top surface of the lower wire seat 6 and is attached to the lower wire seat 6, semicircular wire grooves 10 are respectively formed in the opposite surfaces of the lower wire seat 6 and the upper wire seat 7 for copper wires to pass through, the utility model also comprises a first nut 9, a first threaded column 8 which penetrates through the upper wire seat 7 is fixed on the top surface of the lower wire seat 6, and the first nut 9 is arranged on the first threaded column 8 in a thread screwing mode and is used for realizing the installation of the upper wire seat 7; the cutting assembly comprises a fixed cutting platform 13, a movable cutting platform 14, a turnover air cylinder 16, support columns 17, a top plate 18, a movable mounting plate 19, an electrode wire 20 and a lifting air cylinder 21, wherein the fixed cutting platform 13 is fixed above the rack 1, the movable cutting platform 14 is hinged to the end part of the fixed cutting platform 13, cutting openings 15 are formed in opposite surfaces of the fixed cutting platform 13 and the movable cutting platform 14, the turnover air cylinder 16 is hinged to the top surface of the rack 1, a piston rod of the turnover air cylinder 16 is hinged to the movable cutting platform 14, the four support columns 17 are fixed to the top surface of the fixed cutting platform 13 in an opposite angle mode, the top plate 18 is fixed to the top ends of the support columns 17, the movable mounting plate 19 is distributed below the top plate 18, the lifting air cylinder 21 is installed on the top surface of the top plate 18, a piston rod of the lifting air cylinder 21 penetrates through the top plate 18 and then is fixedly connected with the movable mounting plate 19, the electrode wire 20 is installed on the movable mounting plate 19 in the horizontal direction, and a material receiving frame 23 below the movable cutting platform 14 is also placed on the rack 1; the wire electrode clamping device further comprises an auxiliary surface pressing component 22, two groups of auxiliary surface pressing components 22 are symmetrically arranged on two sides of the movable mounting plate 19, the auxiliary surface pressing component 22 comprises an overhanging plate 29 fixed on the movable mounting plate 19 and a surface pressing plate 30 elastically connected to the lower portion of the overhanging plate 29, the wire electrode clamping device further comprises a second nut 33 and a second expansion spring 34, a second threaded column 32 penetrating through the overhanging plate 29 is fixed on the top surface of the surface pressing plate 30, the second nut 33 is installed on the extending end of the second threaded column 32 in a threaded screwing mode, the second expansion spring 34 is sleeved on the second threaded column 32 and is located between the overhanging plate 29 and the surface pressing plate 30, the surface pressing plate 30 is located at the bottom of the wire electrode 20 in the initial state, when the wire electrode clamping device is used, the paying-off motor 4 is used for driving the paying-off roller 3 to rotate for feeding, a copper wire to be cut passes through a wire groove 10 between the lower wire seat 6 and the upper wire seat 7, then passes through the upper portion of the fixed cutting platform 13 and the movable cutting platform 14, when the paying-off motor 4 stops, the lifting cylinder 21 pushes the movable mounting plate 19 to move, the movable mounting plate 19 and the electrode clamping plate 30 and the surface pressing plate 34 can be clamped in the rigid copper wire clamping platform, the copper wire is guaranteed to be damaged, and the copper wire can be clamped in the safety copper wire clamping platform, and the copper wire clamping platform can be clamped in the safety clamping platform, and the safety clamping platform, the safety copper wire can be damaged when the copper wire can be cut, the copper wire clamping platform can be cut, the copper wire can be cut; continuously starting the lifting cylinder 21 to push the movable mounting plate 19 to move downwards, and cutting the copper wire by using the electrode wire 20; after cutting, starting the overturning cylinder 16 to pull the movable cutting platform 14 to overturn downwards, and automatically sliding the cut copper wire into the collecting frame 23 to realize automatic discharging; then the overturning air cylinder 16 pushes the movable cutting platform 14 to be overturned upwards for resetting, the lifting air cylinder 21 pulls the movable mounting plate 19 to be upwards moved for resetting, and the paying-off motor 4 is restarted to carry out feeding to realize the next cutting operation.

Specifically, as shown in fig. 1 and fig. 3, in this embodiment, a lower V-shaped groove 35 is disposed on top surfaces of the fixed cutting platform 13 and the movable cutting platform 14, an upper V-shaped groove 31 is disposed on a bottom surface of the surface pressing plate 30, and the upper V-shaped groove 31 and the lower V-shaped groove 35 are used for clamping a copper wire, so as to further improve stability of the copper wire and prevent the copper wire from laterally shifting.

Specifically, according to fig. 1, in the embodiment, an inverted L-shaped position-limiting plate 24 is further installed on the top surface of the machine frame 1, and the horizontal portion of the position-limiting plate 24 is located right above the movable cutting platform 14, and when the movable cutting platform 14 is turned to the horizontal state, the horizontal portion abuts against the bottom surface of the position-limiting plate 24, so as to position the upturned position of the movable cutting platform 14.

Specifically, according to fig. 1 and fig. 2, in this embodiment, the wire guide device further includes a U-shaped frame 11, a wire guide wheel 12, a telescopic column 26 and a first telescopic spring 28, the U-shaped frame 11 is hinged to an end of the lower wire guide base 6 and can rotate in a horizontal plane, and the wire guide wheel 12 is installed inside the U-shaped frame 11; the outer side surface of the lower wire seat 6 is fixed with two fixing plates 25 which are symmetrically distributed, two telescopic columns 26 are symmetrically distributed, one end of each telescopic column 26 is hinged with the U-shaped frame 11, the other end of each telescopic column 26 is hinged with the corresponding fixing plate 25, two ends of each telescopic column 26 are respectively fixed with a limiting ring 27, one telescopic spring 28 is sleeved on each telescopic column 26 and located between the two limiting rings 27, when the copper wires are fed, the copper wires penetrate through the wire guide wheels 12, the copper wires are guided through the wire guide wheels 12, each telescopic column 26 is a telescopic structure formed by sleeving two sections of hollow cylindrical components, the one telescopic spring 28 provides elasticity, the copper wires wound on the pay-off rollers 3 cannot be fed in parallel to the wire guide grooves 10 all the time when the copper wires are fed, namely, all the copper wires cannot be wound in the middle parts of the pay-off rollers 3, therefore, the U-shaped frame 11 is designed to be mounted in a hinged mode and can be self-adapted to the wire feeding positions of the copper wires, the telescopic columns 26 are matched with the one telescopic springs 28, the elasticity is capable of enabling the wire guide wheels 12 to be in the middle parts, and the copper wires to be reliably guided into the wire guide grooves 10.

The utility model discloses a theory of operation and use flow: when the discharge wire cutting equipment is used, the pay-off motor 4 is utilized to drive the pay-off roller 3 to rotate for feeding, the guide wheel 12 is utilized for guiding, and a copper wire to be cut passes through the wire groove 10 between the lower wire seat 6 and the upper wire seat 7 and then passes through the upper parts of the fixed cutting platform 13 and the movable cutting platform 14;

during cutting, the paying-off motor 4 stops, the lifting cylinder 21 is started to push the movable mounting plate 19 to move downwards, the wire electrode 20 and the overhanging plate 29 move downwards, and the surface pressing plate 30 is lower than the wire electrode 20 in height in an initial state, so that in the process of moving downwards, the surface pressing plate 30 can be matched with the fixed cutting platform 13 and the movable cutting platform 14 to clamp copper wires from two sides of a cutting position, the stability of the copper wires is ensured, meanwhile, the second expansion spring 34 can contract to realize buffering, the safety of the copper wires is ensured, and the copper wires are prevented from being deformed and damaged due to rigid clamping;

then, the lifting cylinder 21 is continuously started to push the movable mounting plate 19 to move downwards, and the copper wire can be cut by using the electrode wire 20;

after cutting, starting the turning cylinder 16 to pull the movable cutting platform 14 to turn down, and automatically sliding the cut copper wire into the material collecting frame 23 to realize automatic discharging;

and finally, starting the overturning cylinder 16 to push the movable cutting platform 14 to be overturned upwards for resetting, pulling the movable mounting plate 19 to be upwards moved for resetting by the lifting cylinder 21, and restarting the pay-off motor 4 to feed materials to realize the next cutting operation.

In all examples shown and described herein, any particular value should be construed as exemplary only and not as a limitation, and thus other examples of example embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or the two elements may be connected through an intermediate medium, and the specific meaning of the terms in the present invention will be understood to those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. An ultra-precise wire electric discharge machine comprising a frame (1), characterized in that: still include unwrapping wire subassembly, wire assembly and cutting assembly and all install the top of frame (1), wherein:

the pay-off component comprises a first support (2), a pay-off roller (3) and a pay-off motor (4), the two first supports (2) are symmetrically arranged at the top of the rack (1), the pay-off roller (3) is supported by a bearing and transversely erected between the two first supports (2), and the pay-off motor (4) is arranged on the first support (2) and used for driving the pay-off roller (3) to rotate;

the wire assembly comprises a second bracket (5), a lower wire seat (6) and an upper wire seat (7), the second bracket (5) is installed at the top of the rack (1), the lower wire seat (6) is installed at the top end of the second bracket (5), the upper wire seat (7) is installed at the top surface of the lower wire seat (6) and attached to the lower wire seat (6), and semicircular wire grooves (10) for copper wires to pass through are formed in opposite surfaces of the lower wire seat (6) and the upper wire seat (7);

cutting assembly includes fixed cutting platform (13), activity cutting platform (14), upset cylinder (16), support column (17), roof (18), movable mounting board (19), wire electrode (20) and lift cylinder (21), fixed cutting platform (13) are fixed frame (1) top, activity cutting platform (14) articulate fixed cutting platform (13) tip, and fixed cutting platform (13) with cutting opening (15) have all been seted up on the opposite face of activity cutting platform (14), upset cylinder (16) articulate frame (1) top surface, just the piston rod of upset cylinder (16) with activity cutting platform (14) are articulated, and four support columns (17) are diagonal and fix the top surface of fixed cutting platform (13), roof (18) are fixed the top of support column (17), movable mounting board (19) distribute roof (18) below, lift cylinder (21) install roof (18) top surface, just the piston rod of lift cylinder (21) run through roof (18) back with movable mounting board (18) back is installed at the fixed mounting board (19) is still along movable mounting board (19) on the movable mounting board (19) the horizontal direction on the cutting platform (14), the movable mounting board (14) along the horizontal direction of activity cutting platform (19), the movable mounting board (14) is in the horizontal direction (1), the movable mounting board (19) is in the activity cutting platform (14) below A material receiving frame (23);

still press subassembly (22), two sets of supplementary face pressure subassembly (22) symmetry is installed the both sides of movable mounting panel (19), just supplementary face pressure subassembly (22) is including fixing overhang board (29) and the elastic connection on movable mounting panel (19) are in overhang board (30) of board (29) lower part.

2. The ultra-precise wire electric discharge machine of claim 1, wherein: still include No. two nut (33) and No. two expanding spring (34) the top surface of face clamp plate (30) is fixed with runs through No. two screw thread post (32) that overhang board (29) set up, install through the screw thread closure mode No. two nut (33) stretch out of No. two screw thread post (32) and serve, no. two expanding spring (34) cover are established No. two screw thread post (32) are gone up and are in overhang board (29) with between face clamp plate (30).

3. The ultra-precise wire electric discharge machine of claim 1, wherein: the top surfaces of the fixed cutting platform (13) and the movable cutting platform (14) are provided with a lower V-shaped groove (35) which is communicated with each other, and the bottom surface of the surface pressing plate (30) is provided with an upper V-shaped groove (31).

4. The ultra-precise electric discharge wire cutting apparatus according to claim 1, wherein: the top surface of frame (1) still installs limiting plate (24) of "L" form of falling, just the horizontal part of limiting plate (24) is located directly over activity cutting platform (14), and works as activity cutting platform (14) butt when overturning to the horizontality the horizontal part bottom surface of limiting plate (24).

5. The ultra-precise electric discharge wire cutting apparatus according to claim 1, wherein: the wire guide device is characterized by further comprising a U-shaped frame (11), a wire guide wheel (12), a telescopic column (26) and a first telescopic spring (28), wherein the U-shaped frame (11) is hinged to the end part of the lower wire guide seat (6) and can rotate in the horizontal plane, and the wire guide wheel (12) is installed on the inner side of the U-shaped frame (11); the lateral surface of wire seat (6) is fixed with two symmetric distribution's fixed plate (25) down, two flexible post (26) symmetric distribution, just the one end of flexible post (26) with U type frame (11) are articulated, the other end is articulated with corresponding fixed plate (25) the both ends of flexible post (26) all are fixed with spacing ring (27), an expanding spring (28) cover is established on flexible post (26) and be in two between spacing ring (27).

6. The ultra-precise electric discharge wire cutting apparatus according to claim 1, wherein: still include nut (9) down the top surface of wire holder (6) is fixed with and runs through go up screw thread post (8) that wire holder (7) set up, install through the screw thread mode of closing soon nut (9) on screw thread post (8).

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