CN111347111A

CN111347111A - Wire cut electric discharge machine

Info

Publication number: CN111347111A
Application number: CN202010219828.1A
Authority: CN
Inventors: 沈华良; 邵伟春; 周演军
Original assignee: Zhejiang Baqi Intelligent Equipment Co ltd
Current assignee: Zhejiang Baqi Intelligent Equipment Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-06-30

Abstract

The invention discloses a wire cut electric discharge machine, which adopts the technical scheme that: the utility model provides a spark-erosion wire cutting machine, including work piece mount pad, base, the horizontal sliding connection that are used for installing the work piece in the base slide the seat, set up in slide the seat and be used for cutting the line of cut of work piece, slide the seat be provided with the drive line of cut remove and realize cutting the actuating mechanism of work piece, be used for making the line of cut be the inclined cutting mechanism of tilt state and realization inclined plane cutting. The invention realizes that the cutting line inclines and obliquely cuts the workpiece in a space range, and simultaneously effectively avoids the problem of equipment abrasion caused by hard pulling of the cutting line.

Description

Wire cut electric discharge machine

Technical Field

The invention relates to the field of electric spark cutting, in particular to a wire electric spark cutting machine.

Background

A Wire electric Discharge machine (WEDM for short) belongs to the field of electric Machining, and is characterized in that when a phenomenon and reasons of corrosion and damage of a switch contact caused by spark Discharge are researched by a former Suzuo Lazaita union couple, the instantaneous high temperature of electric sparks can melt and oxidize local metal to be corroded, so that an electric Discharge Machining method is created and invented.

The existing electric spark cutting machine generally cuts a workpiece by a cutting line in a vertical state, generally only a vertical surface can be cut, an inclined surface cannot be cut normally, or the cutting line is cut in an inclined state by pulling the cutting line forcibly, but when the cutting line is pulled forcibly, the cutting line is separated from a guide wheel easily, or the cutting line and the guide wheel move eccentrically, so that the friction force is increased, and equipment faults are easily caused.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

Disclosure of Invention

The invention aims to provide a wire cut electric discharge machine, which can realize that a cutting line slants and obliquely cuts a workpiece in a space range and effectively avoid the problem of equipment abrasion caused by hard drawing of the cutting line.

The technical purpose of the invention is realized by the following technical scheme: a wire cut electric discharge machine comprises a workpiece mounting seat for mounting a workpiece, a base, a sliding seat horizontally and slidably connected with the base, and a cutting line arranged on the sliding seat and used for cutting the workpiece, wherein the sliding seat is provided with a driving mechanism for driving the cutting line to move and cutting the workpiece, and an inclined cutting mechanism for enabling the cutting line to be in an inclined state and cutting an inclined plane;

the driving mechanism comprises a driving seat which is connected with the sliding seat in a sliding way along the sliding direction of the sliding seat, a driving motor which is rotationally connected with the driving column, a driving frame and a control component which is arranged between the driving column and the sliding seat and controls the conveying driving seat to move, the rotating axial direction of the driving column is parallel to the sliding direction of the sliding seat, the cutting line winds around the driving column, and the driving column rotates and drives the cutting line to move;

oblique cutting mechanism including fixed connection in the seat that slides and extend to the guide post of work piece mount pad position, set up in the guide post keep away from the seat that slides one end and adjust the first adjusting part of line of cut angle, along the seat that slides sliding connection in the seat that slides bevels of seat, set up in bevels's sliding table, set up in sliding table and adjust the second adjusting part of line of cut angle, set up in bevels with make line of cut adapt to the position change's between the seat that slides locating component, second adjusting part is located first adjusting part top, the line of cut between first adjusting part and the second adjusting part can be the inclined state and cut the work piece, the line of cut is in proper order between drive post, locating component, second adjusting part, first adjusting part circular motion.

The invention is further provided with: the first adjusting assembly comprises a first rotating motor arranged on the guide column, a first adjusting frame arranged on an output shaft of the first rotating motor, and a first adjusting guide wheel arranged on the first adjusting frame and used for guiding a cutting line, the rotating axial direction of the output shaft of the first rotating motor is horizontal and perpendicular to the sliding direction of the sliding seat, and the rotating axial direction of the first adjusting guide wheel is parallel to the sliding direction of the sliding seat; the second adjusting component comprises a second rotating motor arranged on the sliding table, a second adjusting frame arranged on an output shaft of the second rotating motor, a second adjusting guide wheel arranged on the second adjusting frame and used for guiding the cutting line, wherein the output shaft of the second rotating motor is parallel to the output shaft of the first rotating motor, and the axis of the second adjusting guide wheel is parallel to that of the first adjusting guide wheel.

The invention is further provided with: the positioning assembly comprises a first positioning wheel arranged on the sliding seat, a positioning rod rotationally connected to the sliding seat, a positioning shaft arranged between the positioning rod and the sliding seat and used for the relative rotation of the positioning rod, a second positioning wheel arranged on the positioning rod and corresponding to the first positioning wheel, a third positioning wheel arranged on the positioning rod and corresponding to the second adjusting guide wheel, and a synchronous structure arranged between the beveling seat and the positioning rod and used for driving the positioning rod to rotate synchronously, the rotating axial direction of the positioning shaft is horizontal and vertical to the moving direction of the sliding seat, the positioning shaft, the first positioning wheel and the first adjusting guide wheel are positioned in the same vertical plane, the corresponding positions of the cutting line wound on the lower side wall of the first positioning wheel and the lower side wall of the second positioning wheel and the positioning shaft are positioned in the same horizontal straight line position, when the positioning rod is vertical, the first positioning wheel, the second positioning wheel, the third positioning wheel and the first adjusting guide wheel are positioned on the same vertical plane.

The invention is further provided with: the synchronizing structure comprises a connecting block fixedly connected with the beveling seat, one end of the beveling seat is rotatably connected with a penetrating rod of the connecting block, and the connecting block is fixedly connected with the positioning rod and is used for the penetrating rod to penetrate through a penetrating sleeve positioned in the middle position of the connecting rod, the axis of the penetrating sleeve is parallel to the length direction of the positioning rod, and the rotating axial direction of the penetrating rod is horizontal and perpendicular to the sliding direction of the sliding seat.

The invention is further provided with: the sliding table is connected with the beveling seat in a sliding way perpendicular to the sliding direction of the beveling seat, a lifting table is arranged between the sliding table and the second rotating motor, the lifting platform is connected with the sliding platform in a sliding way along the vertical direction, the second rotating motor is fixedly connected with the lifting platform, the first adjusting frame and the second adjusting frame are both provided with cutting wire guides, the first adjusting frame and the second adjusting frame are both provided with guide rotating assemblies for adjusting the positions of the corresponding cutting wire guides, the guider rotating assembly comprises a steering block which is rotatably connected with the first adjusting frame or the second adjusting frame and is fixedly connected with the cutting wire guider, a speed reducer which is arranged on the first adjusting frame or the second adjusting frame and drives the steering block to rotate, and a steering motor connected with the speed reducer, wherein the steering block rotating axial direction is parallel to the moving direction of the sliding seat.

The invention is further provided with: the steering motor body is fixedly connected with the speed reducer, the steering motor body of the first adjusting frame is fixed on the lower end face of the speed reducer, and the steering motor body of the second adjusting frame is connected on the upper end face of the speed reducer.

The invention is further provided with: the sliding seat is provided with a tensioning mechanism for keeping the cutting line in a tensioning state, the tensioning mechanism comprises a counterweight guide rod, a counterweight block, a counterweight guide wheel and two counterweight connecting wheels, the counterweight guide wheel is connected with the counterweight guide rod in a sliding mode in the vertical direction, the counterweight guide wheel is connected with the counterweight guide rod in a sliding mode, the counterweight guide wheel is used for guiding the cutting line to pass through, the two counterweight connecting wheels are arranged on two sides of the counterweight guide rod, the cutting line sequentially passes through one counterweight connecting wheel, the counterweight guide wheel and the other counterweight connecting wheel by a driving column and then enters the first positioning wheel, and the counterweight block drives the counterweight guide wheel to move downwards under the action of gravity.

The invention is further provided with: the sliding seat is provided with a recovery guide wheel for the cutting wire to pass by, the recovery guide wheel is positioned between the first adjusting guide wheel and the driving column, the lower side wall of the recovery guide wheel and the lower side wall of the first adjusting guide wheel are positioned at the same horizontal straight line position, and the cutting wire is pulled by the second adjusting guide wheel through the recovery guide wheel and then is wound on the driving column.

The invention is further provided with: retrieve and be provided with the direction subassembly that slides between guide pulley and the drive post, the direction subassembly that slides including be the level setting the guide bar that slides, along horizontal direction sliding connection in the sliding block of guide bar that slides, set up in the guide pulley that slides of sliding block, the guide pulley that slides is located and retrieves between guide pulley and the drive post, just the guide pulley that slides is located retrieves the guide pulley below, guide bar length direction perpendicular to slide seat glide direction.

The invention is further provided with: the control assembly comprises a bidirectional reciprocating lead screw rotatably connected with the driving seat, a lead screw nut arranged on the sliding seat and in threaded connection with the bidirectional reciprocating lead screw, and a mandrel arranged on the driving column, wherein the mandrel and the bidirectional reciprocating lead screw are in synchronous belt transmission.

In conclusion, the invention has the following beneficial effects:

when the automatic cutting machine is used, the mandrel and the driving column are driven to rotate through the driving motor, so that the cutting line is driven to move, workpieces are cut, the mandrel rotates through the synchronously driven bidirectional reciprocating lead screw, the lead screw nut and the bidirectional reciprocating lead screw move relatively, the driving column is driven to reciprocate along the sliding direction of the sliding seat, the cutting line can be prevented from being in contact with the driving column at the same position, the driving column is prevented from being worn quickly, and meanwhile, the heat dissipation of the cutting line is facilitated.

When cutting is carried out, the cutting line sequentially passes through the driving column, the first positioning wheel, the second positioning wheel, the third positioning wheel, the second adjusting guide wheel and the first adjusting guide wheel and then winds back to the driving column, the workpiece is positioned between the second adjusting guide wheel and the first adjusting guide wheel, and the workpiece is cut through the section of the cutting line between the second adjusting guide wheel and the first adjusting guide wheel; when a workpiece needs to be obliquely cut, the second adjusting guide wheel and the first adjusting guide wheel are shifted by sliding the inclined cutting seat relative to the sliding seat, and the first rotating motor and the second rotating motor drive the corresponding first adjusting frame and the second adjusting frame to rotate by corresponding angles, so that the first adjusting guide wheel and the second adjusting guide wheel are positioned in the same plane, and the cutting line is tangent to the first adjusting guide wheel and the second adjusting guide wheel; meanwhile, after the beveling seat slides, the positioning rod is driven by the synchronous structure to synchronously rotate by a corresponding angle, and the cutting line can be realized by deflecting the corresponding angle through the third positioning wheel, so that the third positioning wheel smoothly moves to the second adjusting guide wheel, and the friction force generated on the second adjusting guide wheel after the cutting line is changed from a straight line to an inclined line is reduced; and because the cutting line is around being located same horizontal straight line position in the corresponding position and the location axle center of first locating wheel lower wall, second locating wheel lower wall, reach the locating lever and for sliding seat deflection angle back, still can realize that the cutting line can be followed first locating wheel and smoothly wind to the second locating wheel, reduce wearing and tearing. In addition, the penetrating rod in the synchronous structure penetrates through the penetrating sleeve to ensure that the cutting seat moves and the positioning rod deflects, and the penetrating rod can be always kept connected with the penetrating sleeve and adapt to the position angle change of the positioning rod and the cutting seat.

After the sliding table moves relative to the beveling seat, the cutting line can be inclined in a space range, the beveling of workpieces in different directions is achieved, the cutting range is expanded, the phenomenon that the wire jumper occurs when the cutting line cuts the workpieces and the cutting line is separated from the first adjusting guide wheel and the second adjusting guide wheel can be effectively avoided through the cutting line guider, the cutting line guider is driven to rotate by a corresponding angle through the corresponding steering motor and the corresponding speed reducer, and the purpose of adapting to the position change of the cutting line is achieved.

Through changing the mounted position that turns to the motor, can effectively increase first rotation motor and second and rotate the first alignment jig of motor drive and second alignment jig deflection angle, improve the range of beveling to the work piece.

When the cutting line cuts the workpiece in an inclined mode, the cutting line is pulled, namely the cutting line between the two counterweight connecting wheels pulls the counterweight guide wheel and the counterweight block to move upwards, the length of the cutting line between the two counterweight connecting wheels is shortened, and the cutting line is adaptive to the length change of the cutting line when the workpiece is cut in an inclined mode.

The cutting line winds the recovery guide wheel and the sliding guide wheel in sequence from the first adjusting guide wheel to the driving column, and the sliding block of the sliding guide wheel slides relatively to achieve the aim that the sliding guide wheel is located at the center between the recovery guide wheel and the driving column, so that the adjusting effect is achieved.

Drawings

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

FIG. 2 is a partial schematic view of the first embodiment of the present invention showing the miter cutting mechanism and the tensioning mechanism;

FIG. 3 is a second partial schematic view of the present invention showing a mitering mechanism;

FIG. 4 is a schematic view of the operation of the cutting line of the present invention;

fig. 5 is a sectional view of the driving mechanism of the present invention.

The corresponding part names indicated by the numbers in the figures: 1. a workpiece mounting seat; 2. a base; 3. a sliding seat; 4. cutting a line; 5. a driving seat; 6. a drive column; 7. a drive motor; 8. a bidirectional reciprocating screw; 9. a lead screw nut; 10. a mandrel; 11. a fixed block; 12. a card slot; 13. a guide post; 14. a beveling base; 15. a sliding table; 16. a first rotating electric machine; 17. a first adjusting bracket; 18. a first adjustment guide wheel; 19. a second rotating electric machine; 20. a second adjusting bracket; 21. a second adjustment guide wheel; 22. a first positioning wheel; 23. positioning a rod; 24. positioning the shaft; 25. a second positioning wheel; 26. a third positioning wheel; 27. connecting blocks; 28. a rod is arranged in a penetrating way; 29. a sleeve is arranged in a penetrating way; 30. a lifting platform; 31. a wire guide; 32. a turning block; 33. a speed reducer; 34. a steering motor; 35. a counterweight guide rod; 36. a balancing weight; 37. a counterweight guide wheel; 38. a counterweight connecting wheel; 39. recovering the guide wheel; 40. a sliding guide bar; 41. a sliding block; 42 a slip guide wheel; 43. a slider; 44. and a fourth positioning wheel.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.

As shown in fig. 1 to 5, the wire-cut electric discharge machine according to the present invention includes a workpiece mounting base 1 for mounting a workpiece, a base 2, a sliding base 3 horizontally slidably connected to the base 2, and a cutting line 4 provided in the sliding base 3 for cutting the workpiece, wherein the sliding base 3 is provided with a driving mechanism for driving the cutting line 4 to move and cutting the workpiece, and an oblique cutting mechanism for making the cutting line 4 in an inclined state and cutting an inclined surface.

Wherein actuating mechanism includes along 3 sliding direction sliding connection in sliding seat 3's of sliding seat 5, rotate and connect in drive column 6, set up in the driving motor 7 of drive rack, set up between drive column 6 and sliding seat 3 and control the control assembly who carries drive seat 5 and remove, wherein drive column 6 is the cavity setting, drive column 6 rotates the axial and is on a parallel with 3 sliding direction of sliding seat, line of cut 4 is around in drive column 6, drive column 6 rotates and drives line of cut 4 and remove. The control assembly comprises a bidirectional reciprocating lead screw 8 rotationally connected to the driving seat 5, a lead screw nut 9 installed on the sliding seat 3 and in threaded connection with the bidirectional reciprocating lead screw 8, and a mandrel 10 arranged on the driving column 6, and a synchronous belt is arranged between the mandrel 10 and the bidirectional reciprocating lead screw 8 for conveying. And the mandrel 10 is arranged at the center of the driving column 6 in a penetrating way and is fixedly connected with the driving column 6, and the end surface of the mandrel 10 is connected with the output shaft of the driving motor 7. During the use, through the rotation of driving motor 7 drive dabber 10 and drive post 6, thereby drive line of cut 4 removal, and cut the work piece, dabber 10 rotates through synchronous drive two-way reciprocal lead screw 8 simultaneously, and reach lead screw nut 9 and two-way reciprocal lead screw 8 relative movement, realize drive post 6 along the reciprocating motion of seat 3 glide direction that slides, can avoid line of cut 4 to keep with drive post 6 same position contact, avoid drive post 6 by quick wearing and tearing, be favorable to line of cut 4 heat dissipation simultaneously.

In order to ensure that the driving column 6 rotates in opposite directions and avoid the relative movement of the driving column 6, the driving seat 5 is fixedly provided with two fixing blocks 11 which are respectively abutted against the two ends of the driving column 6, the fixing blocks 11 are provided with clamping grooves 12 for clamping the end surface of the driving column 6 and limiting the rotation axial direction of the driving column 6, and the mandrel 10 penetrates through the two fixing blocks 11. The relative position of the driving column 6 is effectively positioned through the two fixing blocks 11 and the corresponding clamping grooves 12, and the axial rotation of the driving column 6 is ensured. And in order to improve the safety protection performance, the driving seat 5 is provided with a protective cover which partially covers the driving column 6.

The inclined cutting mechanism comprises a guide post 13 fixedly connected with the sliding seat 3 and extending to the position of the workpiece mounting seat 1, a first adjusting component which is arranged at one end of the guide post 13 far away from the sliding seat 3 and adjusts the angle of the cutting line 4, an inclined seat 14 connected with the sliding seat 3 in a sliding way along the sliding direction of the sliding seat 3, a sliding table 15 arranged on the inclined seat 14, a second adjusting component which is arranged on the sliding table 15 and adjusts the angle of the cutting line 4, and a positioning component which is arranged between the inclined seat 14 and the sliding seat 3 and enables the cutting line 4 to adapt to the position change, wherein the inclined seat 14 is driven to move between the inclined seat 14 and the sliding seat 3 through a motor lead screw structure (in the prior art), the guide post 13 is horizontally arranged, the length direction of the guide post is vertical to the sliding direction of the sliding seat 3, the second adjusting component is arranged above the first adjusting component, and the cutting line 4 between the, the cutting line 4 is circularly moved among the driving column 6, the positioning component, the second adjusting component and the first adjusting component in sequence.

Wherein first adjusting part is including setting up in the first rotation motor 16 of guide post 13, setting up in the first alignment jig 17 of first rotation motor 16 output shaft, set up in first alignment jig 17 and carry out the first regulation leading wheel 18 that leads to cutting wire 4, and first rotation motor 16 output shaft rotates the axial and is the level and perpendicular to sliding seat 3 glide direction, and first regulation leading wheel 18 rotates the axial and is on a parallel with sliding seat 3 glide direction. The second adjusting assembly structure is similar to the first adjusting assembly structure, and comprises a second rotating motor 19 arranged on the sliding table 15, a second adjusting frame 20 arranged on an output shaft of the second rotating motor 19, a second adjusting guide wheel 21 arranged on the second adjusting frame 20 and used for guiding the cutting line 4, wherein the output shaft of the second rotating motor 19 is parallel to the output shaft of the first rotating motor 16, and the second adjusting guide wheel 21 is parallel to the axis of the first adjusting guide wheel 18. The positioning assembly comprises a first positioning wheel 22 arranged on the sliding seat 3, a positioning rod 23 rotationally connected to the sliding seat 3, a positioning shaft 24 arranged between the positioning rod 23 and the sliding seat 3 and used for relative rotation of the positioning rod 23, a second positioning wheel 25 arranged on the positioning rod 23 and corresponding to the first positioning wheel 22, a third positioning wheel 26 arranged on the positioning rod 23 and corresponding to the second adjusting guide wheel 21, and a synchronous structure arranged between the beveling seat 14 and the positioning rod 23 and used for driving the positioning rod 23 to rotate synchronously, wherein the rotation axial direction of the positioning shaft 24 is horizontal and vertical to the moving direction of the sliding seat 3, the positioning shaft 24, the first positioning wheel 22 and the first adjusting guide wheel 18 are positioned in the same vertical plane, the cutting line 4 is wound on the lower side wall of the first positioning wheel 22, the corresponding position of the lower side wall of the second positioning wheel 25 and the axial center of the positioning shaft 24 are positioned in the same horizontal linear position, and when the positioning rod, the first positioning wheel 22, the second positioning wheel 25, the third positioning wheel 26 and the first adjusting guide wheel 18 are positioned on the same vertical plane. In this embodiment, the second positioning wheel 25 and the first positioning wheel 22 are respectively located at two end positions of the positioning rod 23, a fourth positioning wheel 44 is disposed at a middle position of the positioning rod 23, and the fourth positioning wheel 44 is linearly arranged with the second positioning wheel 25 and the third positioning wheel 26.

The synchronizing structure comprises a connecting block 27 fixedly connected to the beveling seat 14, a penetrating rod 28 with one end rotatably connected to the connecting block 27, a penetrating sleeve 29 fixedly connected to the positioning rod 23 and provided for the penetrating rod 28 to penetrate, and a penetrating sleeve 29 located at the middle section of the connecting rod, wherein the axis of the penetrating sleeve 29 is parallel to the length direction of the positioning rod 23, and the rotating axial direction of the penetrating rod 28 is horizontal and perpendicular to the sliding direction of the sliding seat 3.

When cutting is carried out, the cutting line 4 is sequentially wound back to the driving column 6 through the driving column 6, the first positioning wheel 22, the second positioning wheel 25, the third positioning wheel 26, the second adjusting guide wheel 21 and the first adjusting guide wheel 18, and the workpiece is positioned between the second adjusting guide wheel 21 and the first adjusting guide wheel 18 and is cut through the section of the cutting line 4 between the second adjusting guide wheel 21 and the first adjusting guide wheel 18; when a workpiece needs to be obliquely cut, the beveling seat 14 slides relative to the sliding seat 3 to realize that the second adjusting guide wheel 21 and the first adjusting guide wheel 18 deviate, and meanwhile, the first rotating motor 16 and the second rotating motor 19 drive the corresponding first adjusting frame 17 and the second adjusting frame 20 to rotate by corresponding angles, so that the first adjusting guide wheel 18 and the second adjusting guide wheel 21 are positioned in the same plane, and the cutting line 4 is tangent to the first adjusting guide wheel 18 and the second adjusting guide wheel 21; meanwhile, after the beveling seat 14 slides, the positioning rod 23 is driven to synchronously rotate by a corresponding angle through a synchronous structure, and the cutting line 4 can be realized by deflecting the third positioning wheel 26 by the corresponding angle, so that the third positioning wheel 26 smoothly moves to the second adjusting guide wheel 21, and the friction force generated on the second adjusting guide wheel 21 after the cutting line 4 is changed from a straight line to an inclined line is reduced; and because the cutting line 4 winds the corresponding positions of the lower side wall of the first positioning wheel 22 and the lower side wall of the second positioning wheel 25 and the axis of the positioning shaft 24 are positioned at the same horizontal straight line position, after the positioning rod 23 deflects relative to the sliding seat 3, the cutting line 4 can smoothly wind from the first positioning wheel 22 to the second positioning wheel 25, and the abrasion is reduced. In addition, the penetrating rod 28 in the synchronous structure penetrates through the penetrating sleeve 29 to ensure that the cutting seat moves and the positioning rod 23 deflects, so that the penetrating rod 28 and the penetrating sleeve 29 can be always kept connected, and the synchronous structure is suitable for the position angle change of the positioning rod 23 and the cutting seat.

The first adjusting guide wheels 18 and the second adjusting guide wheels 21 corresponding to the first adjusting frame 17 and the second adjusting frame 20 are respectively provided with two parts for the cutting line 4 to pass by, and the two first adjusting guide wheels 18 and the two second adjusting guide wheels 21 are respectively positioned in the same plane position. The first adjustment guide wheel 18 and the second adjustment guide wheel 21 are provided in two in the first adjustment frame 17 and the second adjustment frame 20, respectively, so that the moving direction during cutting can be ensured.

In order to conveniently realize the inclination of the cutting line 4 in the plane perpendicular to the sliding direction of the sliding seat 3, the sliding table 15 is set to be horizontal and is connected to the upper end surface of the beveling seat 14 in a sliding manner perpendicular to the sliding direction of the beveling seat 14, the sliding table 15 and the beveling seat 14 are driven by a motor and a lead screw structure (in the prior art), the lifting table 30 is installed between the sliding table 15 and the second rotating motor 19, the lifting table 30 is connected to the sliding table 15 in a sliding manner along the vertical direction, the lifting table 30 and the sliding table 15 are also driven by a motor and a lead screw structure (in the prior art), and the second rotating motor 19 is fixedly installed on the lifting table 30.

The first adjusting bracket 17 and the second adjusting bracket 20 are both provided with a cutting wire guider 31, the cutting wire guider 31 is provided with a hole for the cutting wire 4 to penetrate (the cutting wire guider 31 is prior art and is not described herein), the first adjusting bracket 17 and the second adjusting bracket 20 are both provided with guider rotating components for adjusting the position corresponding to the cutting wire guider 31, the guider rotating components comprise a steering block 32 which is rotatably connected with the first adjusting bracket 17 or the second adjusting bracket 20 and is fixedly connected with the cutting wire guider 31, a speed reducer 33 which is arranged on the first adjusting bracket 17 or the second adjusting bracket 20 and drives the steering block 32 to rotate, and a steering motor 34 connected with the speed reducer 33, and the rotating axial direction of the steering block 32 is parallel to the moving direction of the sliding seat 3. Therefore, after the sliding table 15 moves relative to the beveling seat 14, the cutting line 4 can be inclined in a space range, the beveling of workpieces in different directions is realized, the cutting range is expanded, the phenomenon that the cutting line 4 jumps when the workpieces are cut by the cutting line 4 and the cutting line 4 is separated from the first adjusting guide wheel 18 and the second adjusting guide wheel 21 can be effectively avoided through the cutting line guider 31, the cutting line guider 31 is driven to rotate by a corresponding angle through the corresponding steering motor 34 and the speed reducer 33, and the position change of the cutting line 4 is adapted.

When the first rotating motor 16 and the second rotating motor 19 are rotated, in order to avoid the influence on normal cutting caused by the fact that the corresponding steering motor 34 touches the workpiece after following deflection; the body of the steering motor 34 is fixedly connected to the speed reducer 33, the body of the steering motor 34 connected to the first adjusting frame 17 is fixed on the lower end face of the speed reducer 33, the body of the steering motor 34 connected to the second adjusting frame 20 is fixed on the upper end face of the speed reducer 33, and the steering motor 34 is connected with the speed reducer 33 through a synchronous belt. By changing the installation position of the steering motor 34, the deflection angles of the first adjusting frame 17 and the second adjusting frame 20 driven by the first rotating motor 16 and the second rotating motor 19 can be effectively increased, and the workpiece beveling range is improved.

In order to ensure that the cutting line 4 is in a tensioning state, the sliding seat 3 is provided with a tensioning mechanism for maintaining the cutting line 4 in the tensioning state, the tensioning mechanism comprises a counterweight guide rod 35 which is installed on the sliding seat 3 and is vertical, a counterweight block 36 which is connected to the counterweight guide rod 35 in a sliding manner along the vertical direction, a counterweight guide wheel 37 which is arranged on the counterweight block 36 and is used for the cutting line 4 to bypass, and two counterweight connecting wheels 38 which are respectively arranged on two sides of the counterweight guide rod 35, wherein the counterweight guide rods 35 are arranged into two, the two counterweight guide rods 35 are vertical and parallel, the cutting line 4 sequentially passes through one counterweight connecting wheel 38 by a driving column 6, the counterweight guide wheel 37 and enters the first positioning wheel 22 after passing through the other counterweight connecting wheel 38, and the counterweight block 36 drives the counterweight guide wheel. When the cutting line 4 cuts the workpiece in an oblique manner, the cutting line 4 is pulled, that is, the cutting line 4 between the two counterweight connecting wheels 38 pulls the counterweight guide wheel 37 and the counterweight block 36 to move upwards, the length of the cutting line 4 between the two counterweight connecting wheels 38 is shortened, and the length of the cutting line 4 is changed when the workpiece is cut in an oblique manner.

The sliding seat 3 is provided with a recovery guide wheel 39 for guiding a section of cutting line 4 which enters the driving column 6 after cutting a workpiece, the recovery guide wheel 39, the counterweight guide wheel 37 and the counterweight connecting wheel 38 are positioned on the same vertical plane, the recovery guide wheel 39 is positioned between the first adjusting guide wheel 18 and the driving column 6, the lower side wall of the recovery guide wheel 39 and the lower side wall of the first adjusting guide wheel 18 are positioned on the same horizontal straight line position, and the cutting line 4 is wound around the driving column 6 after being pulled through the recovery guide wheel 39 by the second adjusting guide wheel 21.

Retrieve and be provided with the direction subassembly that slides between guide 39 and the drive post 6, the direction subassembly that slides is including the direction pole 40 that slides that is the level setting, along horizontal direction sliding connection in the sliding block 41 of direction pole 40 that slides, set up in the guide wheel 42 that slides of sliding block 41, the direction pole 40 that slides sets up to two and be the level setting, guide wheel 42 that slides is located and retrieves between guide 39 and the drive post 6, and guide wheel 42 that slides is located and retrieves the guide 39 below, 40 length direction of direction poles that slide perpendicular to sliding seat 3 glide direction. To avoid the cutting wire 4 from contacting the guard or drive seat 5, a guide wheel is mounted between the glide wheel 42 and the drive post 6 for guiding the cutting wire. The cutting wire 4 is wound around the recovery guide wheel 39, the slip guide wheel 42 and the guide wheel from the first adjusting guide wheel 18 to the driving column 6 in sequence, and the slip block 41 slides relatively through the slip guide wheel 42, so that the slip guide wheel 42 is positioned at the center between the recovery guide wheel 39 and the driving column 6, and the adjusting function is achieved.

In order to adjust the counterweight weight of the counterweight block 36, a sliding block 43 is arranged between the counterweight block 36 and the counterweight guide rod 35, the counterweight guide rod 35 penetrates through the sliding block 43, and the counterweight block 36 is connected to the sliding block 43 through a bolt. Through balancing weight 36 bolted connection in slider 43, conveniently change different balancing weights 36, be convenient for adjust.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a wire cut electric discharge machine, including work piece mount pad (1), base (2), the horizontal sliding connection that are used for installing the work piece in base (2) slide (3), set up in slide (3) and be used for cutting line of cut (4) of work piece, its characterized in that: the sliding seat (3) is provided with a driving mechanism for driving the cutting line (4) to move and cutting a workpiece, and an inclined cutting mechanism for enabling the cutting line (4) to be in an inclined state and cutting an inclined surface;

the driving mechanism comprises a driving seat (5) which is connected with the sliding seat (3) in a sliding manner along the sliding direction of the sliding seat (3), a driving motor (7) which is rotatably connected with the driving column (6), a driving frame and a control component which is arranged between the driving column (6) and the sliding seat (3) and controls the conveying driving seat (5) to move, the rotating axial direction of the driving column (6) is parallel to the sliding direction of the sliding seat (3), the cutting line (4) winds the driving column (6), and the driving column (6) rotates and drives the cutting line (4) to move;

the inclined cutting mechanism comprises a guide post (13) fixedly connected with the sliding seat (3) and extending to the position of the workpiece mounting seat (1), a first adjusting component arranged at one end of the guide seat far away from the sliding seat (3) and used for adjusting the angle of the cutting line (4), an inclined cutting seat (14) connected with the sliding seat (3) in a sliding way along the sliding direction of the sliding seat (3), a sliding table (15) arranged on the inclined cutting seat (14), a second adjusting component arranged on the sliding table (15) and used for adjusting the angle of the cutting line (4), and a positioning component arranged between the inclined cutting seat (14) and the sliding seat (3) and used for enabling the cutting line (4) to adapt to position change, wherein the second adjusting component is positioned above the first adjusting component, and the cutting line (4) between the first adjusting component and the second adjusting component can be used for cutting workpieces in an inclined state, the cutting line (4) circularly moves among the driving column (6), the positioning assembly, the second adjusting assembly and the first adjusting assembly in sequence.

2. A wire electric discharge machine according to claim 1, characterized in that: the first adjusting assembly comprises a first rotating motor (16) arranged on the guide post (13), a first adjusting frame (17) arranged on an output shaft of the first rotating motor (16), and a first adjusting guide wheel (18) arranged on the first adjusting frame (17) and used for guiding the cutting line (4), the rotating axial direction of the output shaft of the first rotating motor (16) is horizontal and perpendicular to the sliding direction of the sliding seat (3), and the rotating axial direction of the first adjusting guide wheel (18) is parallel to the sliding direction of the sliding seat (3); the second adjusting assembly comprises a second rotating motor (19) arranged on the sliding table (15), a second adjusting frame (20) arranged on an output shaft of the second rotating motor (19), a second adjusting guide wheel (21) arranged on the second adjusting frame (20) and used for guiding the cutting line (4), wherein the output shaft of the second rotating motor (19) is parallel to an output shaft of the first rotating motor (16), and the second adjusting guide wheel (21) is parallel to the axis of the first adjusting guide wheel (18).

3. A wire electric discharge machine according to claim 2, characterized in that: the positioning assembly comprises a first positioning wheel (22) arranged on the sliding seat (3), a positioning rod (23) rotatably connected with the sliding seat (3), a positioning shaft (24) arranged between the positioning rod (23) and the sliding seat (3) and used for enabling the positioning rod (23) to relatively rotate, a second positioning wheel (25) arranged on the positioning rod (23) and corresponding to the first positioning wheel (22), a third positioning wheel (26) arranged on the positioning rod (23) and corresponding to the second adjusting guide wheel (21), and a synchronous structure arranged between the beveling seat (14) and the positioning rod (23) and used for driving the positioning rod (23) to synchronously rotate, wherein the rotating axial direction of the positioning shaft (24) is horizontal and vertical to the moving direction of the sliding seat (3), and the positioning shaft (24), the first positioning wheel (22) and the first adjusting guide wheel (18) are positioned in the same vertical plane, the cutting line (4) is wound on the corresponding positions of the lower side wall of the first positioning wheel (22) and the lower side wall of the second positioning wheel (25) and the axis of the positioning shaft (24) and is located at the same horizontal straight line position, and when the positioning rod (23) is vertical, the first positioning wheel (22), the second positioning wheel (25), the third positioning wheel (26) and the first adjusting guide wheel (18) are located on the same vertical plane.

4. A wire electric discharge machine according to claim 3, characterized in that: the synchronous structure comprises a connecting block (27) fixedly connected with the beveling seat (14), one end of the connecting block is rotatably connected with a penetrating rod (28) of the connecting block (27), and is fixedly connected with the positioning rod (23) and supplies the penetrating sleeve (29) penetrated by the penetrating rod (28), the penetrating sleeve (29) is located at the middle section of the connecting rod, the axis of the penetrating sleeve (29) is parallel to the length direction of the positioning rod (23), and the rotating axial direction of the penetrating rod (28) is horizontal and perpendicular to the sliding direction of the sliding seat (3).

5. A wire electric discharge machine according to claim 2, characterized in that: the cutting machine is characterized in that the sliding table (15) is perpendicular to the sliding direction of the beveling seat (14) and is connected to the beveling seat (14) in a sliding mode, a lifting table (30) is arranged between the sliding table (15) and the second rotating motor (19), the lifting table (30) is connected to the sliding table (15) in a sliding mode along the vertical direction, the second rotating motor (19) is fixedly connected to the lifting table (30), the first adjusting frame (17) and the second adjusting frame (20) are provided with cutting wire guides (31), the first adjusting frame (17) and the second adjusting frame (20) are provided with guide rotating assemblies for adjusting the positions of the corresponding cutting wire guides (31), and each guide rotating assembly comprises a steering block (32) which is connected to the first adjusting frame (17) or the second adjusting frame (20) in a rotating mode and is fixedly connected with the cutting wire guides (31), The speed reducer (33) is arranged on the first adjusting frame (17) or the second adjusting frame (20) and drives the steering block (32) to rotate, and the steering motor (34) is connected to the speed reducer (33), and the rotating axial direction of the steering block (32) is parallel to the moving direction of the sliding seat (3).

6. A wire electric discharge machine according to claim 5, characterized in that: the body of the steering motor (34) is fixedly connected to the speed reducer (33), the body of the steering motor (34) connected to the first adjusting frame (17) is fixed to the lower end face of the speed reducer (33), and the body of the steering motor (34) connected to the second conveying adjusting frame (20) is fixed to the upper end face of the speed reducer (33).

7. A wire electric discharge machine according to claim 3, characterized in that: the sliding seat (3) is provided with a tensioning mechanism for keeping the cutting line (4) in a tensioning state, the tensioning mechanism comprises a sliding seat (3), a vertical counterweight guide rod (35), a counterweight block (36) connected with the counterweight guide rod (35) in a sliding mode in the vertical direction, a counterweight guide wheel (37) arranged on the counterweight block (36) and used for the cutting line (4) to go around, and two counterweight connecting wheels (38) respectively arranged on two sides of the counterweight guide rod (35), the cutting line (4) sequentially passes through one counterweight connecting wheel (38), one counterweight guide wheel (37) and the other counterweight connecting wheel (38) by a driving column (6) and then enters the first positioning wheel (22), and the counterweight block (36) drives the counterweight guide wheel (37) to move downwards under the action of gravity and keeps the cutting line (4) in the tensioning state.

8. A wire electric discharge machine according to claim 7, characterized in that: the sliding seat (3) is provided with a recovery guide wheel (39) for the cutting line (4) to bypass, the recovery guide wheel (39) is located between the first adjusting guide wheel (18) and the driving column (6), the lower side wall of the recovery guide wheel (39) and the lower side wall of the first adjusting guide wheel (18) are located at the same horizontal linear position, and the cutting line (4) is pulled through the recovery guide wheel (39) by the second adjusting guide wheel (21) and then wound around the driving column (6).

9. A wire electric discharge machine according to claim 8, characterized in that: retrieve and be provided with the direction subassembly that slides between guide wheel (39) and drive post (6), the direction subassembly that slides including be the slip guide bar (40) that the level set up, along horizontal direction sliding connection in sliding block (41) of slip guide bar (40), set up in sliding guide wheel (42) of sliding block (41), sliding guide wheel (42) are located and retrieve between guide wheel (39) and drive post (6), just sliding guide wheel (42) are located and retrieve guide wheel (39) below, sliding guide bar (40) length direction perpendicular to sliding seat (3) glide direction.

10. A wire electric discharge machine according to claim 1, characterized in that: the control assembly comprises a bidirectional reciprocating lead screw (8) rotatably connected with the driving seat (5), a lead screw nut (9) arranged on the sliding seat (3) and in threaded connection with the bidirectional reciprocating lead screw (8), and a mandrel (10) arranged on the driving column (6), wherein the mandrel (10) and the bidirectional reciprocating lead screw (8) are in synchronous belt transmission.