CN214392696U

CN214392696U - Linear cutting machine for improving magnetic material machining precision

Info

Publication number: CN214392696U
Application number: CN202120622660.9U
Authority: CN
Inventors: 王益晓
Original assignee: Ningbo Aoda Magnetic Industry Co ltd
Current assignee: Ningbo Aoda Magnetic Industry Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-10-15
Anticipated expiration: 2031-03-25

Abstract

The utility model relates to an improve linear cutting machine of magnetic material machining precision belongs to the field of magnetic material processing equipment, and it includes the frame, be equipped with fortune silk mechanism and work piece platform in the frame, fortune silk mechanism slides with the frame and is connected, fortune silk mechanism includes walks the bank of silks and walks the bank of silks down, the work piece platform includes the trapped orbit, fixedly connected with is used for the fixed subassembly of centre gripping work piece on the trapped orbit, trapped orbit's one end is articulated with the frame, and the other end that just is located the trapped orbit in the frame is equipped with the adjustment mechanism who is used for controlling the trapped orbit around the pin joint upset. This application places the angle modulation respectively through the part of two different planes to the work piece platform to the realization is to the regulation of the position of placing of work piece, and then improves the relative position accuracy between work piece and the wire electrode, has the effect that improves the wire-electrode cutting machining precision of work piece.

Description

Linear cutting machine for improving magnetic material machining precision

Technical Field

The application relates to the technical field of neodymium iron boron magnetism material processing equipment, in particular to a linear cutting machine tool for improving magnetism material processing precision.

Background

In the prior art, a wire cutting machine is generally used for cutting the neodymium iron boron magnetic material. In wire cutting, a moving wire is used as a tool electrode, a pulse current is applied between the wire and a workpiece, and the workpiece is cut by the erosion action of pulse discharge.

A wire cutting machine generally has a machine body, a workpiece table, an upper wire rack, and a lower wire rack, wherein the workpiece table, the upper wire rack, and the lower wire rack together form a cutting work area. When the cutting device is used, a workpiece to be cut is arranged on the workbench and is positioned in the cutting working area, and the electrode wire between the upper wire frame and the lower wire frame cuts the workpiece. Because the 'cutter' used for machining by the machine tool is a wire electrode, the machine tool can only be used for machining a cut profile, and the surface of the cut workpiece profile is parallel to the straight line of the wire electrode.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the direction accuracy of the machined profile of the workpiece is directly related to the length direction of the wire electrode, and due to the long-term use of the machine tool, the position relationship between the part of the wire electrode used for wire cutting and the workpiece table used for placing the workpiece is uncertain, and the change affects the position relationship between the machined plane of the workpiece and other planes (such as perpendicularity, parallelism, coaxiality and the like), so that the machining accuracy of the workpiece is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the machining precision of a workpiece is reduced due to the change of the position between a wire electrode and a workpiece table, the application provides a linear cutting machine for improving the machining precision of a magnetic material.

The application provides an improve linear cutting machine of magnetic material machining precision adopts following technical scheme:

the utility model provides an improve linear cutting machine of magnetic material machining precision, includes the frame, be equipped with fortune silk mechanism and work piece platform in the frame, fortune silk mechanism slides with the frame and is connected, fortune silk mechanism includes and walks the bank of silks and walk the bank of silks down, the work piece platform includes the trapped orbit, fixedly connected with is used for the fixed subassembly of centre gripping work piece on the trapped orbit, trapped orbit's one end is articulated with the frame, and the other end that just is located the trapped orbit in the frame is equipped with and is used for controlling the fixed orbit around the adjustment mechanism of pin joint upset.

By adopting the technical scheme, when the perpendicularity of the fixed track and the electrode wire deviates, the fixed track is controlled to overturn through the adjusting mechanism, and then the fixed track drives the fixed component to overturn, so that the precision of the relative position relation between the workpiece fixed by the fixed component and the electrode wire is improved, and the effect of improving the position precision of the workpiece processing contour is realized.

Optionally, adjustment mechanism includes elevator and accommodate the lead screw, accommodate the lead screw's one end is rotated with the frame and is connected, accommodate the lead screw pass the elevator and with elevator threaded connection, the standing groove has been seted up on the elevator, fixedly connected with butt post in the standing groove, the length direction of butt post is perpendicular with trapped orbit's upset plane, the butt post global with trapped orbit's downside looks butt, the relative cell wall of standing groove contacts with trapped orbit length direction's relative both sides respectively.

Through adopting above-mentioned technical scheme, operation accommodate the lead screw control elevator goes up and down, and the elevator is raised or is lowered the orbital tip of fixation through the butt post, has realized orbital position angle modulation's purpose, and the global edges and corners that do not have of butt post simultaneously, and it plays certain guard action with orbital direct contact to orbital structure.

Optionally, an adjusting guide post is fixedly connected to the frame, and the length direction of the adjusting guide post is parallel to the adjusting direction of the adjusting screw rod.

Through adopting above-mentioned technical scheme, at the in-process that accommodate the lead screw control elevator removed, adjust the guide pillar and play the effect that the stopping is spacing and removal direction to the elevator, reduce the lateral displacement that the elevator takes place at the removal in-process to reduce the lateral displacement that fixed track takes place at the in-process of upset.

Optionally, a fastening bolt penetrates through the lifting block, the fastening bolt is in threaded connection with the lifting block, and one end of the fastening bolt inserted into the lifting block is abutted against the side wall of the fixed track.

Through adopting above-mentioned technical scheme, with the postlude of fixed track's position control, the fixing bolt that screws makes elevator block and fixed track support each other tightly, improves fixed track's stability, makes the fixed track difficult emergence swing among the machining operation process.

Optionally, the fixing assembly comprises a fixing seat and a clamp block, the fixing seat is fixed relative to the fixing rail, the clamp block is hinged to the fixing seat, a hinged plane of the clamp block relative to the fixing seat is perpendicular to an overturning plane of the fixing rail relative to the rack, one side of the clamp block faces the electrode wire, and the side face of the clamp block is used for placing and clamping a workpiece.

By adopting the technical scheme, the relative parallelism between one side of the overturning clamp block facing the wire electrode and the wire electrode can be adjusted by overturning the clamp block, so that the relative position precision of the workpiece and the wire electrode is adjusted, and the position precision of the machined profile of the workpiece is improved.

Optionally, the fixing seat is connected with an adjusting bolt for controlling the clamp block to turn, the adjusting bolt penetrates through one end of the fixing seat and abuts against the clamp block, and the length direction of the adjusting bolt is parallel to the turning plane of the clamp block.

Through adopting above-mentioned technical scheme, rotatory adjusting bolt, adjusting bolt is to the controllable upset removal of control anchor clamps piece of the tight power of support of anchor clamps piece.

Optionally, the number of the adjusting bolts is two, and the two adjusting bolts respectively form a resisting force on the clamp block, and the moment formed by the hinge shaft of the clamp block is opposite to that formed by the hinge shaft of the clamp block.

Through adopting above-mentioned technical scheme, adjusting bolt not only can be used to the rotation angle of adjusting the anchor clamps piece, and two adjusting bolt simultaneously press from both sides the anchor clamps piece jointly and tightly have also improved the position state stability after the anchor clamps piece is adjusted.

Optionally, fixedly connected with calibration post on the anchor clamps piece, the length direction of calibration post is parallel with the side that anchor clamps piece is towards the wire electrode and is used for the part parallel of wire electrode work piece, the one end fixedly connected with calibration piece that anchor clamps piece was kept away from to the calibration post, go up and all be equipped with the benchmark piece on walking the frame with walking down on the frame, the projection coincidence of benchmark piece and calibration piece on the sliding direction of fortune silk mechanism.

Through adopting above-mentioned technical scheme, calibration block and benchmark piece are mutually supported and are provided the relative position relation of anchor clamps piece and fortune silk mechanism for the operator, provide indirect reference for the regulation of work piece platform.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the fixed track, the adjusting mechanism and the fixed assembly, the position of the workpiece clamped by the workpiece table is adjusted in two mutually perpendicular planes respectively, so that the accuracy of the relative position relation between the workpiece and the wire electrode during processing is achieved, and the processing quality of the workpiece is improved;

2. through the setting of benchmark piece and calibration block, the two cooperation is in order to indirectly show the position relation between work piece platform and the fortune silk mechanism, provides the reference for the regulation of fixed orbit, anchor clamps piece.

Drawings

Fig. 1 is a schematic structural diagram of a wire cutting machine tool for improving the machining accuracy of a magnetic material according to an embodiment of the present application.

Fig. 2 is a schematic diagram for embodying a workpiece stage structure in the embodiment of the present application.

Fig. 3 is a schematic structural diagram for embodying the fixing component in the embodiment of the present application.

Description of reference numerals: 1. a frame; 11. a moving track; 2. a wire conveying mechanism; 21. an adjusting bracket; 22. an upper wire feeding frame; 23. a lower wire frame; 24. a reference block; 25. a wire electrode; 3. a workpiece stage; 31. fixing a track; 32. a fixing assembly; 33. a fixed seat; 331. adjusting the bolt; 34. a clamp block; 341. calibrating the column; 342. a calibration block; 4. an adjustment mechanism; 41. adjusting the screw rod; 42. a lifting block; 421. a placement groove; 422. a butting post; 423. fastening a bolt; 43. and adjusting the guide post.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses improve linear cutting machine of magnetic material machining precision, as shown in fig. 1, including frame 1, be equipped with fortune silk mechanism 2 and work piece platform 3 on the frame 1. The wire conveying mechanism 2 is connected with the rack 1 in a sliding mode and used for controlling the operation of the wire electrode 25 to process a workpiece, and the workpiece table 3 is used for placing and clamping the workpiece to be processed.

As shown in fig. 1, a moving rail 11 for the wire conveying mechanism 2 to slide is arranged on the frame 1, the wire conveying mechanism 2 includes an adjusting frame 21, an upper wire feeding frame 22 and a lower wire feeding frame 23 which are parallel to each other extend from the adjusting frame 21 toward the workpiece table 3, and a wire electrode 25 portion between one end of the upper wire feeding frame 22 away from the adjusting frame 21 and one end of the lower wire feeding frame 23 away from the adjusting frame 21 is a portion of the wire electrode 25 for performing wire cutting processing on the workpiece. For convenience of reference, in the present embodiment, the longitudinal direction of the moving rail 11 is defined as the x-axis direction of the coordinate system, the longitudinal direction of the upper wire frame 22 or the lower wire frame 23 is defined as the y-axis direction of the coordinate system, and the longitudinal direction of the portion of the wire electrode 25 for processing the workpiece is defined as the z-axis direction of the coordinate system.

As shown in fig. 1 and 2, the workpiece stage 3 includes a fixed rail 31 and a fixed assembly 32, one end of the fixed rail 31 near the adjusting bracket 21 is hinged with the frame 1, and the turning plane of the fixed rail 31 is a y-z plane. An adjusting mechanism 4 used for controlling the fixed rail 31 to swing is arranged on the rack 1 and located far away from the moving rail 11, the adjusting mechanism comprises an adjusting screw rod 41, an elevating block 42 and an adjusting guide post 43, the length directions of the adjusting screw rod 41 and the adjusting guide post 43 are both in the z-axis direction and both penetrate through the elevating block 42, wherein the adjusting screw rod 41 is rotatably connected with the rack 1 and the elevating block 42 is in threaded connection, and the adjusting guide post 43 is fixedly connected with the rack 1 and is in transition fit with the elevating block 42. A placing groove 421 is formed in the position, close to the fixed rail 31, of the adjusting block, the length direction of the placing groove 421 is the y-axis direction, a butting column 422 is fixedly connected to the adjusting block and located in the placing groove 421, and the length direction of the butting column 422 is the x-axis direction; the opposite side walls of the fixed rail 31 are in contact with the opposite groove walls of the placement groove 421, and the bottom of the fixed rail 31 is in contact with the circumferential surface of the contact column 422; the lifting block 42 can move along the z-axis direction by rotating the adjusting screw rod 41, and one end of the fixed rail 31 far away from the self hinge point shifts under the support of the abutting column 422, so that the aim of controlling the fixed rail 31 to swing is fulfilled. A fastening bolt 423 is threaded into the elevating block 42, the fastening bolt 423 has a longitudinal direction of the x-axis, and an end of the fastening bolt 423 is inserted into the placing groove 421 and abuts against a side wall of the fixed rail 31.

As shown in fig. 2 and 3, the fixing assembly 32 includes a fixing seat 33 and a clamp block 34, the fixing seat 33 is fixedly mounted on the fixing rail 31 through bolts, the clamp block 34 is hinged on the fixing seat 33, and when the fixing rail 31 is parallel to the y-axis, the turning plane of the clamp block 34 is the x-z plane.

As shown in fig. 1 and 3, the clamp block 34 is positioned at one side of the wire electrode 25, and the clamp block 34 is used for positioning and clamping and fixing a workpiece; the projection of the fixed seat 33 in the y-axis direction is L-shaped, and the clamp block 34 is located in the space where the included angle between the two plate surfaces of the fixed seat 33 is 90 degrees. Adjusting bolts 331 penetrate through the two plates with the included angle of 90 degrees of the plate surfaces of the fixing seat 33, the adjusting bolts 331 penetrate through the fixing seat 33 and abut against the clamp block 34 respectively, the two adjusting bolts 331 respectively form torque effects which are opposite in rotation direction by taking a hinge shaft of the clamp block 34 as a center on the clamp block 34, when the deflection angle of the clamp block 34 is adjusted, one adjusting bolt 331 is loosened and the other adjusting bolt 331 is screwed, the clamp block 34 is turned over towards the direction of the abutting force applied to the clamp block by the screwed adjusting bolt 331, and after the turning angle is in place, the two adjusting bolts 331 are simultaneously screwed to form a pair of opposite torque to clamp the clamp block 34 together to achieve fixing.

As shown in fig. 1 and 3, since the jig block 34 is a component that directly holds the workpiece, the positional relationship between the jig block 34 and the wire electrode 25 directly determines the accuracy of the workpiece machining. The opposite two sides of the clamp block 34 are fixedly connected with calibration columns 341, and when the length direction of the fixed track 31 is parallel to the y axis and the side of the clamp block 34 facing the electrode wire 25 is parallel to the y-z plane, the length direction of the calibration columns 341 is parallel to the z axis; the end of the calibration column 341 away from the clamp block 34 is integrally formed with a calibration block 342; the upper wire frame 22 and the lower wire frame 23 are fixedly connected with the reference blocks 24, the calibration blocks 342 and the reference blocks 24 are in square shapes, the single calibration block 342 and the reference blocks 24 with the same height as the calibration block 342 are jointly grouped into a reference group, and when the projection of the reference block 24 and the projection of the calibration block 342 in the x-axis direction coincide and the distances between the reference blocks 24 and the calibration blocks 342 in the two reference groups are equal, the relative position relationship between the clamp block 34 and the wire electrode 25 reaches a higher level.

The implementation principle of the linear cutting machine for improving the magnetic material processing precision in the embodiment of the application is as follows:

before the workpiece is placed on the clamp block 34, the whole position of the workpiece table 3 is debugged by matching the calibration block 342 and the reference block 24: when the coincidence degrees of the reference blocks 24 in the two reference groups and the calibration block 342 are different, the fact that the deflection angle of the workpiece table 3 on the y-z plane needs to be adjusted is shown, and the adjusting screw rod 41 is required to be operated to turn over the fixed track 31; when the spacing between the reference block 24 and the alignment block 342 in the two reference sets is not the same, indicating that the angle of deflection of the workpiece table 3 from the x-z plane needs to be adjusted, the adjustment bolt 331 should be operated to invert the clamp block 34. When the detection data of the two reference groups indicate that the relative position relation of the clamp block 34 and the electrode wire 25 meets the requirement of machining precision, the workpiece can be placed for linear cutting machining.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an improve linear cutting machine of magnetic material machining precision, includes frame (1), be equipped with fortune silk mechanism (2) and work piece platform (3) on frame (1), fortune silk mechanism (2) slides with frame (1) and is connected, fortune silk mechanism (2) including last walking frame (22) and walking frame (23) down, its characterized in that: workpiece table (3) is including trapped orbit (31), fixedly connected with is used for centre gripping workpiece's fixed subassembly (32) on trapped orbit (31), the one end and frame (1) of trapped orbit (31) are articulated, and the other end that just is located trapped orbit (31) on frame (1) is equipped with and is used for controlling trapped orbit (31) around adjustment mechanism (4) of pin joint upset.

2. A wire electric discharge machine for improving the machining accuracy of a magnetic material according to claim 1, wherein: adjustment mechanism (4) are including elevator (42) and accommodate the lead screw (41), the one end and frame (1) of accommodate the lead screw (41) are rotated and are connected, accommodate the lead screw (41) pass elevator (42) and with elevator (42) threaded connection, standing groove (421) have been seted up on elevator (42), fixedly connected with butt column (422) in standing groove (421), the length direction of butt column (422) is perpendicular with the upset plane of trapped orbit (31), the global downside looks butt with trapped orbit (31) of butt column (422), the relative cell wall of standing groove (421) contacts with trapped orbit (31) length direction's relative both sides respectively.

3. A wire electric discharge machine for improving the machining accuracy of a magnetic material according to claim 2, wherein: an adjusting guide post (43) is fixedly connected to the rack (1), and the length direction of the adjusting guide post (43) is parallel to the adjusting direction of the adjusting screw rod (41).

4. A wire electric discharge machine for improving the machining accuracy of a magnetic material according to claim 3, wherein: the lifting block (42) is provided with a fastening bolt (423) in a penetrating mode, the fastening bolt (423) is in threaded connection with the lifting block (42), and one end, inserted into the lifting block (42), of the fastening bolt (423) is abutted to the side wall of the fixed rail (31).

5. A wire electric discharge machine for improving the machining accuracy of a magnetic material according to claim 1, wherein: fixed subassembly (32) include fixing base (33) and anchor clamps piece (34), fixing base (33) and fixed track (31) relatively fixed, anchor clamps piece (34) are articulated with fixing base (33), the articulated plane of anchor clamps piece (34) relative fixing base (33) is mutually perpendicular with the upset plane of fixed track (31) relative frame (1), one side of anchor clamps piece (34) is towards wire electrode (25) and this side is used for placing and centre gripping work piece.

6. A wire electric discharge machine for improving the machining accuracy of a magnetic material according to claim 5, wherein: the clamp is characterized in that an adjusting bolt (331) used for controlling the clamp block (34) to turn is connected to the fixed seat (33) in a threaded mode, one end, penetrating through the fixed seat (33), of the adjusting bolt (331) is abutted to the clamp block (34), and the length direction of the adjusting bolt (331) is parallel to the turning plane of the clamp block (34).

7. The wire electric discharge machine for improving the magnetic material processing accuracy according to claim 6, wherein: the two adjusting bolts (331) are arranged, and the abutting force formed by the two adjusting bolts (331) on the clamp block (34) is opposite to the moment formed by the hinge shaft of the clamp block (34).

8. A wire electric discharge machine for improving the machining accuracy of a magnetic material according to claim 5, wherein: fixedly connected with calibration post (341) on anchor clamps piece (34), the length direction of calibration post (341) is parallel and is used for the part parallel of wire electrode work piece with anchor clamps piece (34) towards the side of wire electrode (25), calibration post (341) keep away from one end fixedly connected with calibration piece (342) of anchor clamps piece (34), all be equipped with reference block (24) on upper walking frame (22) and lower walking frame (23), reference block (24) and calibration piece (342) are along the coincidence of the projection on the sliding direction of fortune silk mechanism (2).