CN111822802A

CN111822802A - Numerical control electric spark ring piece cutting equipment

Info

Publication number: CN111822802A
Application number: CN202010626326.0A
Authority: CN
Inventors: 贲能军; 刘娜; 周鹏飞; 严小琳
Original assignee: Jiangsu Fengxin Aviation Equipment Manufacturing Co ltd; Yancheng Institute of Industry Technology
Current assignee: Jiangsu Fengxin Aviation Equipment Manufacturing Co ltd; Yancheng Institute of Industry Technology; Yancheng Vocational Institute of Industry Technology
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2020-10-27

Abstract

The invention relates to the technical field of numerical control cutting equipment and discloses numerical control electric spark ring piece cutting equipment which comprises numerical control electric spark wire cutting equipment, wherein a plane stroke mechanism is arranged on one side of the top of the numerical control electric spark wire cutting equipment, a workbench is fixedly arranged on the top surface of the plane stroke mechanism, and a supporting sliding rail is fixedly arranged on the top surface of the workbench. The sliding support structure is formed on the top surface of the workbench through the two support slide rails, so that the two support frames clamped with the sliding support structure can be adjusted at any distance from each other or at a close distance on the top surface of the workbench, and the problem that the clamping distance of the two clamping structures in the clamping workbench is adjusted by taking the spacing distance of a plurality of equidistant screw holes formed in the clamping workbench as a standard, and the clamping workbench cannot be adjusted adaptively for workpieces with the size outside the adjustable range of the spacing distance of the equidistant screw holes is solved.

Description

Numerical control electric spark ring piece cutting equipment

Technical Field

The invention relates to the technical field of numerical control cutting equipment, in particular to numerical control electric spark ring piece cutting equipment.

Background

The existing electric spark machining, also called as electric discharge machining or electroerosion machining, is a special machining method for eroding and removing conductive materials by utilizing the electroerosion action generated during pulse discharge between two electrodes immersed in working liquid, and the main principle is that free positive ions and electrons are accumulated in a field to quickly form an ionized conductive channel, at this stage, current is formed between two plates to cause the particles to collide for countless times to form a plasma region, the temperature is quickly raised to the high temperature of eight thousand to ten thousand to two thousand DEG C, some materials are instantly melted on the surfaces of two conductors, simultaneously, due to vaporization of an electrode and dielectric liquid, a bubble is formed, the pressure of the bubble is regularly raised to be very high, then the current is interrupted, the temperature is suddenly reduced to cause the inward explosion of the bubble, the generated power throws the dissolved substances out of a bounce pit, and then the corroded materials are condensed into a small sphere in the dielectric liquid again, the electric spark is discharged by the dielectric liquid, and then is matched with the monitoring and control of the existing NC control and the execution of a servo mechanism, so that the discharge phenomena are uniform and consistent, and finally, the numerical control electric spark cutting equipment can be formed.

The existing numerical control wire cut electrical discharge machining equipment has excellent performance, has the characteristics of high machining precision and high machining speed for machining various workpieces such as ring pieces, inner hole cutting and the like, and is widely popularized and used in the machining industry, but the clamping workbench used in the existing numerical control wire cut electrical discharge machining equipment still has some problems in the actual production process and needs to be further improved, firstly, the clamping distance adjustment of two clamping structures in the clamping workbench is carried out by taking the spacing distance of a plurality of equidistant screw holes formed in the clamping workbench as a standard, so that the size adaptive clamping of the workpiece can be realized, but for the workpiece with the size in the range of the adjustment of the spacing distance of the equidistant screw holes, the phenomenon that the clamping workbench cannot adapt to the adjustment is easily caused, additional auxiliary components need to be additionally added, and the machining efficiency is delayed, and secondly, the clamping blocks in the clamping workbench press and fix the workpiece downwards by adopting an independent cushion block structure, so that the height cannot be adjusted and the workpiece is easy to lose, and the normal operation of equipment is delayed.

Disclosure of Invention

The invention provides numerical control electric spark ring cutting equipment, which solves the problems mentioned in the background technology.

The invention provides the following technical scheme: a numerical control electric spark ring piece cutting device comprises a numerical control electric spark wire cutting device, wherein a plane stroke mechanism is arranged on one side of the top of the numerical control electric spark wire cutting device, a workbench is fixedly mounted on the top surface of the plane stroke mechanism, a supporting slide rail is fixedly mounted on the top surface of the workbench, a protective cover is arranged on the outer side of the supporting slide rail and is movably mounted on the top surface of the workbench, supporting frames are clamped at two ends of the supporting slide rail, a fixing plate is fixedly connected to the inner side of the bottom of each supporting frame, the fixing plate is movably sleeved inside the supporting slide rail, a first threaded rod is in threaded connection with the inner side of the fixing plate, the first threaded rod is movably sleeved at the bottom of each supporting frame, a sliding groove is formed in the outer side of the middle of the corresponding first threaded rod, the sliding groove is formed in the middle, the top of support frame is provided with the briquetting, the inside activity of briquetting has cup jointed the set screw, the bottom threaded connection of set screw is in the inboard at compound hole mechanism top, one side swing joint of briquetting has leveling cushion mechanism, and one side fixed mounting of leveling cushion mechanism is in the side of support frame one side.

Carefully, the inside of leveling cushion mechanism is including fixed slat, and one side fixed connection of fixed slat is on the side of support frame one side, the inboard threaded connection at fixed slat both ends has the screw thread regulation pole, the end activity of ordering of screw thread regulation pole is cup jointed there is the cavity cover, the balanced slat of top surface fixedly connected with of cavity cover, be provided with buffer spring between the bottom surface of balanced slat and the top surface of fixed slat.

Carefully, compound hole mechanism's inside is including first screw hole, second screw hole, third screw hole, and first screw hole, second screw hole, third screw hole three link up each other, first screw hole, second screw hole, third screw hole are the interior tooth hole of metric specification M10, the interior tooth hole of metric specification M8 and the interior tooth hole of metric specification M6 respectively.

And carefully selecting, wherein the front surface of the first threaded rod and the front surface of the support frame are on the same horizontal plane, and the surface of the middle part of the first threaded rod is not contacted with the inner wall of the sliding groove.

Preferably, the sliding groove does not penetrate through the supporting slide rail, and the length value of the sliding groove is smaller than that of the supporting slide rail.

Carefully, the bottom surface fixedly connected with spacing post of support frame one side, and one side of spacing post is provided with the circular arc groove of stepping down, the circular arc groove of stepping down is seted up in one side at the support frame top, the circular arc groove of stepping down runs through the top of support frame.

And carefully selecting, wherein the pressing block is in an inverted Chinese character 'shan' shape, and the distance value between the bottom surfaces of the two sides of the pressing block and the top surface of the support frame is smaller than the distance value between the bottom surface of the middle part of the pressing block and the top surface of the support frame.

Carefully, the positive and negative of fixed plate is provided with the anticreep lug, and the anticreep lug one side that the fixed plate positive and negative set up respectively fixed connection on the inboard positive and negative inner wall in support frame bottom, and the opposite side joint is on the positive and negative at support slide rail middle part.

The invention has the following beneficial effects:

1. the sliding support structure is formed on the top surface of the workbench through the two support slide rails, so that the two support frames clamped with the sliding support structure can be adjusted at any distance from each other or at a close distance on the top surface of the workbench, and the problem that the clamping distance of the two clamping structures in the clamping workbench is adjusted by taking the spacing distance of a plurality of equidistant screw holes formed in the clamping workbench as a standard, and the clamping workbench cannot be adjusted adaptively for workpieces with the size outside the adjustable range of the spacing distance of the equidistant screw holes is solved.

2. The invention uses the fixed slat as a rotary support through the thread adjusting rod in the leveling cushion block mechanism, can press or pull down the balance slat after being twisted, and then provides different high balance cushion block supporting structures for pressing blocks when pressing workpieces with different thicknesses, thereby solving the problems that the height of the workpiece is not adjustable and is easy to lose because the workpiece is pressed and fixed by the clamping blocks in the existing clamping workbench through an independent cushion block structure.

Drawings

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

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a perspective view of the structural support rail of the present invention;

FIG. 4 is a perspective view of the structural brace of the present invention;

FIG. 5 is a schematic top view of the structural support of the present invention;

FIG. 6 is an enlarged view of the point A in FIG. 1;

FIG. 7 is a cross-sectional view of a structural brace of the present invention;

FIG. 8 is an enlarged view of the point B in FIG. 7 according to the present invention.

In the figure: 1. numerical control wire cut electrical discharge machining equipment; 2. a planar stroke mechanism; 3. a work table; 4. a protective cover; 5. supporting the slide rail; 6. a support frame; 7. a fixing plate; 8. a first threaded rod; 9. a sliding groove; 10. A compound hole mechanism; 101. a first threaded hole; 102. a second threaded hole; 103. a third threaded hole; 11. A set screw; 12. briquetting; 13. leveling cushion block mechanisms; 131. fixing the ribbon board; 132. a threaded adjusting rod; 133. a cavity sleeve; 134. balancing the lath; 14. a circular arc abdicating groove; 15. a limiting column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, a numerical control electric spark ring cutting device comprises a numerical control electric spark wire cutting device 1, a planar stroke mechanism 2 is arranged on one side of the top of the numerical control electric spark wire cutting device 1, a worktable 3 is fixedly arranged on the top surface of the planar stroke mechanism 2, a supporting slide rail 5 is fixedly arranged on the top surface of the worktable 3, a protective cover 4 is arranged on the outer side of the supporting slide rail 5, the protective cover 4 is movably arranged on the top surface of the worktable 3, supporting frames 6 are clamped at two ends of the supporting slide rail 5, a limiting column 15 is fixedly connected to the bottom surface of one side of the supporting frame 6, an arc abdicating groove 14 is arranged on one side of the top of the supporting frame 6, the arc abdicating groove 14 penetrates through the top of the supporting frame 6, a sliding supporting structure is formed on the top surface of the worktable 3 by the two supporting slide rails 5, so that the two supporting frames 6 clamped with the supporting frame can be adjusted at any distance or, the problem that the clamping distance of two clamping structures in the existing clamping workbench is adjusted by taking the spacing distance of a plurality of equidistant screw holes formed in the clamping workbench as a standard, and then the problem that the clamping workbench cannot adapt to adjustment is caused for workpieces with the size outside the adjustable range of the spacing distance of the equidistant screw holes is solved, the arc abdicating groove 14 and the limiting column 15 respectively provide abdicating space and rapid positioning function for subsequent workpieces, the inner side of the bottom of the supporting frame 6 is fixedly connected with the fixing plate 7, the front and back sides of the fixing plate 7 are provided with anti-falling lugs, one side of the anti-falling lugs arranged on the front and back sides of the fixing plate 7 is respectively fixedly connected on the front and back inner walls of the inner side of the bottom of the supporting frame 6, the other side is clamped on the front and back sides in the middle of the supporting slide rail 5, and when the supporting frame 6, the deflection radian is small and more stable, the fixed plate 7 is movably sleeved inside the supporting slide rail 5, the internal thread of the fixed plate 7 is connected with a first threaded rod 8, the front surface of the first threaded rod 8 and the front surface of the supporting frame 6 are on the same horizontal plane, the surface of the middle part of the first threaded rod 8 is not contacted with the inner wall of the sliding groove 9, the first threaded rod 8 is in threaded connection with the fixed plate 7, so that the supporting slide rail 5 and the supporting frame 6 can be stably installed, a reliable positioning structure is provided for the subsequent adjusting movement of the supporting frame 6 by using the supporting slide rail 5 as a support and a guide, the first threaded rod 8 is movably sleeved at the bottom of the supporting frame 6, the sliding groove 9 is arranged on the outer side of the middle part of the first threaded rod 8, the sliding groove 9 is arranged in the middle part of the supporting slide rail 5, the sliding groove 9 does not penetrate through the supporting slide rail 5, and, the sliding groove 9 provides an effective abdicating structure for the first threaded rod 8 of the connecting structure for stably mounting between the support rail 5 and the support frame 6, and then avoids the phenomenon of structural interference, the inner side of the top of the support frame 6 is provided with a composite hole mechanism 10, the interior of the composite hole mechanism 10 comprises a first threaded hole 101, a second threaded hole 102 and a third threaded hole 103, the first threaded hole 101, the second threaded hole 102 and the third threaded hole 103 are communicated with each other, the first threaded hole 101, the second threaded hole 102 and the third threaded hole 103 are respectively an inner tooth hole of a metric specification M10, an inner tooth hole of a metric specification M8 and an inner tooth hole of a metric specification M6, the mutual communication structural design of the first threaded hole 101, the second threaded hole 102 and the third threaded hole 103 is favorable for the device to randomly replace other market screws to be generally used for screw thread connection and locking with the intact thread hole in the composite hole mechanism 10 after one of the three is seriously worn, therefore, the service life of the device can be prolonged, the top of the support frame 6 is provided with the pressing block 12, the pressing block 12 is in an inverted-Chinese-character-shape, the distance value between the bottom surfaces of two sides of the pressing block 12 and the top surface of the support frame 6 is smaller than the distance value between the bottom surface of the middle part of the pressing block 12 and the top surface of the support frame 6, the inverted-Chinese-character-shape is matched with the top surface of the support frame 6 to clamp a workpiece with smaller thickness, the clamping performance of the device is further improved, the inside of the pressing block 12 is movably sleeved with the positioning screw 11, the bottom end of the positioning screw 11 is in threaded connection with the inner side of the top of the composite hole mechanism 10, one side of the pressing block 12 is movably connected with the leveling cushion block mechanism 13, one side of the leveling cushion mechanism 13 is fixedly installed on the side surface of one side of the support frame 6, the inside of, the end activity of ordering of screw thread regulation pole 132 is cup jointed has cavity cover 133, the balanced slat 134 of top surface fixedly connected with of cavity cover 133, be provided with buffer spring between the bottom surface of balanced slat 134 and the top surface of fixed slat 131, screw thread regulation pole 132 through leveling cushion block mechanism 13 inside uses fixed slat 131 to be the rotation support, but twist the back roof pressure or pull-down balance slat 134 that changes, then for briquetting 12 when the work piece of different thickness of cramping, provide different high balanced cushion block bearing structure, it is independent and cushion block structure to solve that the inside clamp splice of present centre gripping workstation pushes down the fixed adoption of work piece, highly can not adjust and the easy problem of losing.

The working principle is as follows: when the device is used, clamping is carried out according to various conditions, when the size of a first workpiece to be cut is smaller, cantilever clamping is carried out by adopting a single support frame 6, the top surface of one working side is placed on one side of the top surface of one support frame 6 and is positioned at the bottom of one side of the pressing block 12, then the positioning screw 11 is screwed, the pressing block 12 is pushed and pressed by the rotation adjustment of the positioning screw 11 at the inner side of the top of the support frame 6, so that the bottom surface of one side of the pressing block 12 is in close contact with the top surface of the workpiece, clamping and fixing are completed, the leveling cushion block mechanism 13 arranged at the bottom of one side of the pressing block 12 screws and rotates the thread adjusting rod 132 inside the workpiece according to the design thickness of the workpiece before clamping and pressing the workpiece, then the thread adjusting rod 132 takes the fixed strip plate 131 as a rotating support to screw and press or pull down the balance strip plate 134, and, when the size of a second workpiece to be cut is larger, the two support frames 6 are clamped in a mutually matched bridge mode, the distance between the two support frames 6 is adjusted according to the actual length of the workpiece, specifically, the first threaded rods 8 in the two support frames 6 are loosened, the support slide rails 5 are used for moving guiding and supporting, the top parts of the support slide rails 5 are subjected to close or separated sliding displacement adjustment, when the distance between the two support frames 6 can be adjusted to match and clamp the larger workpiece, two groups of first threaded rods 8 respectively penetrate through the abdicating holes and the sliding grooves 9 at the bottoms of the support frames 6, the fixed plates 7 are subjected to reset connection, then the two support frames 6 are stably stopped on a sliding support structure consisting of the two support slide rails 5, then the two sides of the workpiece are respectively placed on the top surfaces of the two support frames 6, and then the positioning screws 11 respectively arranged in the two support frames 6 are screwed, the pressing blocks 12 are rotatably adjusted and pushed by the positioning screws 11 at the inner sides of the tops of the supporting frames 6, so that the bottom surface of one side of each pressing block 12 is in close contact with the top surface of a workpiece to complete clamping and fixing, and similarly, the leveling cushion block mechanisms 13 are respectively and threadedly connected inside the two pressing blocks 12, the thread adjusting rods 132 inside the two pressing blocks are screwed before clamping and pressing the workpiece according to the design thickness of the workpiece, then the thread adjusting rods 132 are rotatably supported by the fixed strip plates 131 to screw and press or pull down the balance strip plates 134, and finally the top surfaces of the balance strip plates 134 are flush with the top surfaces of the workpiece, it needs to be noted that the planar stroke mechanism 2 can automatically move in X, Y in two directions, and the planar stroke mechanism.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Meanwhile, in the drawings of the invention, the filling pattern is only used for distinguishing the layers and is not limited at all.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a numerical control spark ring spare cutting equipment, includes numerical control spark-erosion wire cutting equipment (1), its characterized in that: one side at the top of the numerical control wire cut electric discharge machine (1) is provided with a plane stroke mechanism (2), the top surface of the plane stroke mechanism (2) is fixedly provided with a workbench (3), the top surface of the workbench (3) is fixedly provided with a supporting slide rail (5), the outer side of the supporting slide rail (5) is provided with a protective cover (4), the protective cover (4) is movably arranged on the top surface of the workbench (3), the two ends of the supporting slide rail (5) are clamped with supporting frames (6), the inner side of the bottom of the supporting frames (6) is fixedly connected with a fixing plate (7), the fixing plate (7) is movably sleeved inside the supporting slide rail (5), the inner thread of the fixing plate (7) is connected with a first threaded rod (8), the first threaded rod (8) is movably sleeved at the bottom of the supporting frames (6), and the outer side of the middle part of the first threaded rod (8), the middle part at support slide rail (5) is seted up in sliding groove (9), compound hole mechanism (10) have been seted up to the inboard at support frame (6) top, the top of support frame (6) is provided with briquetting (12), set screw (11) have been cup jointed in the inside activity of briquetting (12), the bottom threaded connection of set screw (11) is in the inboard at compound hole mechanism (10) top, one side swing joint of briquetting (12) has leveling cushion mechanism (13), and one side fixed mounting of leveling cushion mechanism (13) is in the side of support frame (6) one side.

2. The numerical control electric spark ring cutting apparatus according to claim 1, wherein: the inside of leveling cushion mechanism (13) is including fixed slat (131), and one side fixed connection of fixed slat (131) is on the side of support frame (6) one side, the inboard threaded connection at fixed slat (131) both ends has screw thread adjusting rod (132), the end activity of binding of screw thread adjusting rod (132) is cup jointed has cavity cover (133), the balanced slat (134) of top surface fixedly connected with of cavity cover (133), be provided with buffer spring between the bottom surface of balanced slat (134) and the top surface of fixed slat (131).

3. The numerical control electric spark ring cutting apparatus according to claim 1, wherein: the composite hole mechanism (10) is internally provided with a first threaded hole (101), a second threaded hole (102) and a third threaded hole (103), the first threaded hole (101), the second threaded hole (102) and the third threaded hole (103) are communicated with each other, and the first threaded hole (101), the second threaded hole (102) and the third threaded hole (103) are respectively an inner tooth hole of a metric specification M10, an inner tooth hole of a metric specification M8 and an inner tooth hole of a metric specification M6.

4. The numerical control electric spark ring cutting apparatus according to claim 1, wherein: the front surface of the first threaded rod (8) and the front surface of the support frame (6) are on the same horizontal plane, and the surface of the middle part of the first threaded rod (8) is not contacted with the inner wall of the sliding groove (9).

5. The numerical control electric spark ring cutting apparatus according to claim 1, wherein: the sliding groove (9) does not penetrate through the supporting slide rail (5), and the length value of the sliding groove (9) is smaller than that of the supporting slide rail (5).

6. The numerical control electric spark ring cutting apparatus according to claim 1, wherein: the bottom surface fixedly connected with of support frame (6) one side is spacing post (15), and one side of spacing post (15) is provided with circular arc groove of stepping down (14), the circular arc groove of stepping down (14) is seted up in one side at support frame (6) top, the circular arc groove of stepping down (14) runs through the top of support frame (6).

7. The numerical control electric spark ring cutting apparatus according to claim 1, wherein: the pressing block (12) is in an inverted-Chinese-character-shape, and the distance value between the bottom surfaces of the two sides of the pressing block (12) and the top surface of the support frame (6) is smaller than the distance value between the bottom surface of the middle of the pressing block (12) and the top surface of the support frame (6).

8. The numerical control electric spark ring cutting apparatus according to claim 1, wherein: the front and back of the fixed plate (7) are provided with anti-falling lugs, one side of each anti-falling lug arranged on the front and back of the fixed plate (7) is fixedly connected to the inner wall of the front and back of the inner side of the bottom of the support frame (6) respectively, and the other side of each anti-falling lug is clamped to the front and back of the middle of the support slide rail (5).