CN213437662U - Novel wire cutting machine - Google Patents

Abstract

The utility model discloses a novel wire cutting machine, including the wire cutting machine body that has the board lead frame, board lead frame lower part suspension wire cutting support, its characterized in that: the wire cutting machine is characterized in that guide rails are arranged on two sides of the machine table wire frame along the length direction, the upper portion of the wire cutting support is movably arranged on the guide rails in a spanning mode, a support driving servo motor is arranged at the tail end of the machine table wire frame, and the support driving servo motor is connected with the wire cutting support through a screw rod mechanism. The utility model discloses can realize the multiple angle setting of line of cut among the wire cut electrical discharge machining, and then realize the diversified cutting to the cutting product, promote line cutting efficiency and range of work, flexibility and processing strong adaptability.

Description

Novel wire cutting machine

Technical Field

The utility model relates to a novel wire cutting machine belongs to mechanical wire cutting processing technology field.

Background

The wire cutting process is to form two electrodes on the metal wire and the workpiece, when the metal wire is close enough to the workpiece, the insulating medium between them will be broken down to form an ionized conducting channel, at this time, the current will be formed to generate discharge phenomenon, the nearby position will generate 8000-.

The existing wire cutting machine is relatively difficult to machine some complex curved surface workpieces due to the fact that the metal wire is fixed in the structure, six-axis linkage mechanical motion is achieved through a modular design through a wire cutting support of the Chinese patent CN206925418U, complex curved surface part cutting in wire cutting can be achieved, however, in the practical application process, the working state and the path of a cutting wire still have great limitations, and therefore the existing wire cutting machine still has an improved adjusting space.

Disclosure of Invention

To the weak point among the above-mentioned prior art, the utility model provides a novel wire cut electrical discharge machining can realize the multiple angle setting of line of cut among the wire cut electrical discharge machining, and then realizes the diversified cutting to the cutting product, promotes wire cut efficiency and range of work, flexibility and processing strong adaptability.

In order to realize the purpose, the utility model discloses a technical scheme: novel wire cut electrical discharge machining, including the wire cut electrical discharge machining body that has the board lead frame, the suspension wire cut support in board lead frame lower part, its characterized in that: the wire cutting machine is characterized in that guide rails are arranged on two sides of the machine table wire frame along the length direction, the upper portion of the wire cutting support is movably arranged on the guide rails in a spanning mode, a support driving servo motor is arranged at the tail end of the machine table wire frame, and the support driving servo motor is connected with the wire cutting support through a screw rod mechanism.

Furthermore, the wire-electrode cutting support comprises a first module frame which is of a box-shaped structure, a second module frame which can vertically slide and be positioned is arranged in the first module frame, a third module frame which can slide back and forth and be positioned is arranged in the second module frame, a pulley assembly which can slide left and right and be positioned is arranged in the third module frame, the pulley assembly comprises a support which extends to the outside of the first module frame, the second module frame and the third module frame and is parallel and equidirectional with the machine frame, and a plurality of pulleys for winding the cutting wire are arranged on the support.

Further, first module frame is including being right side board, the left side board of vertical setting, locating posterior lateral plate, preceding curb plate between this right side board, the left side board and locating roof, the bottom plate of this right side board, left side board upper portion, lower extreme, the board lead frame is located between right side board, the left side board and being in the roof top.

The utility model has the advantages that: the servo motor is driven by the support to move the wire cutting support, so that displacement change between the wire cutting support and a machine table wire guide frame of the wire cutting machine is increased on the basis of adjusting the winding of the wire cutting support to a cutting wire, the wire cutting efficiency and the processing range are further improved, and the flexibility and the processing adaptability are strong; meanwhile, the support on the wire cutting machine can be selectively used, namely, when the support is used, the support is driven by the support driving servo motor to be wound to a proper position, then cutting is carried out, if the support function is not needed, the support is retracted to the rear part of the wire cutting machine through the support driving servo motor, and the original function of the wire cutting machine is not influenced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an axial structural view of the present invention;

FIG. 3 is a schematic view of the internal structure of the wire-cut stent of FIG. 1;

FIG. 4 is another axial view of the interior of the wire-cut stent of FIG. 1;

fig. 5 is a schematic view of a wire winding of the wire cutting machine according to the invention;

fig. 6 is a schematic view of another wire winding of the wire cutting machine according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.

A novel wire cutting machine as shown in fig. 1-6 comprises a wire cutting machine body having a machine frame lead frame 100, a wire cutting support suspended below the machine frame lead frame 100, guide rails 101 disposed on both sides of the machine frame lead frame 100 along a length direction, a support driving servo motor 102 movably disposed on the guide rails 101 and at a tail end of the machine frame lead frame 100, wherein the support driving servo motor 102 is connected to the wire cutting support through a lead screw mechanism.

The lead screw mechanism in the embodiment is the prior art, and aims to drive the servo motor 102 through the bracket to drive the linear cutting bracket to move on the guide rail 101, so that the linear cutting bracket on the linear cutting machine can be selectively used, namely, when the linear cutting bracket is used, the servo motor 102 is driven through the bracket to drive the linear cutting bracket to a proper position, then cutting wires are wound, and then cutting is carried out; if the function of the wire cutting support is not needed, the wire cutting support is retracted to the rear part of the wire cutting machine body through the support driving servo motor 102, and the original function of the wire cutting machine is not influenced.

Any wire-cut stent currently on the market can be used for the wire-cut stent. The wire cutting support used in this embodiment is shown in fig. 3-4, and includes a first module frame in a box-shaped structure, a second module frame capable of sliding vertically and being positioned is provided in the first module frame, a third module frame capable of sliding forward and backward and being positioned is provided in the second module frame, a pulley assembly capable of sliding left and right and being positioned is provided in the third module frame, the pulley assembly includes a support 29 extending to the outside of the first module frame, the second module frame and the third module frame and being parallel and in the same direction as the machine table of the wire guide frame, the support 29 is provided with a plurality of pulleys for winding the cutting wire, wherein the front part and the top part of the first module frame, the second module frame and the third module frame are correspondingly provided with a front process hole 36 and a top abdicating slot 37 for the cutting wire to pass through.

As shown in fig. 5-6, the front process holes 36 and the top abdicating long holes 37 are arranged, so that the winding of the cutting wire can be increased to a plurality of combined winding forms, as shown in the figure, oblique line sections at different spatial positions of the cutting wire can be used for cutting complex spatial curved surface structures with variable angles, and compared with the conventional wire cutting machine, the wire cutting machine can improve the wire cutting efficiency and the processing range, and has stronger flexibility and processing adaptability. And the servo motor 102 is driven by matching with the support to drive the linear cutting support to move, so that the linear cutting efficiency and the processing range of the linear cutting machine are further improved.

Specifically, first module frame is including being right side board 1, the left side board 2 of vertical setting, locate posterior lateral plate 3, preceding curb plate 4 between this right side board 1, the left side board 2 and locate roof 5, the bottom plate 6 of this right side board 1, 2 upper portions of left side board, lower extreme, this right side board 1, left side board 2, posterior lateral plate 3, preceding curb plate 4, roof 5, bottom plate 6 make up the closed frame structure of first module frame. The machine table lead frame is positioned between the right side plate 1 and the left side plate 2 and above the top plate 5, so that the movement of the wire-electrode cutting support and the internal structure of the wire-electrode cutting support do not interfere with each other. Here, the first module frame is a fixed module of the whole support, and is a basic positioning foundation of each module and the support in the support, the connection between the plates can be realized through various fixing modes such as joggle joint, welding and bolts, and in order to facilitate later maintenance, the detachable connection between the plates with bolts and the like is preferred.

The second module frame comprises an inner top plate 9 and an inner bottom plate 10 which can be vertically slidably positioned on the inner sides of the rear side plate 1 and the left side plate 2, an inner rear plate 7, an inner front plate 8, an inner right side plate (not marked) and an inner left side plate (not marked) which are arranged between the inner top plate and the inner bottom plate and fixedly connected with the inner rear plate, the inner front plate 8, the inner right side plate and the inner left side plate, and the inner top plate 9, the inner bottom plate 10, the inner rear plate 7, the inner front plate 8, the inner right side plate and the inner left side plate form a.

The third module frame comprises a third front side plate and a third rear side plate which can slide back and forth and are positioned at the inner top plate 9 and the inner bottom plate 10, a third bottom plate, a third left side plate and a third right side plate are arranged between the third front side plate and the third rear side plate and are fixedly connected with the third front side plate and the third rear side plate, and the third front side plate, the third rear side plate, the third bottom plate, the third left side plate and the third right side plate form a groove-shaped structure of the third module frame and are used for supporting the pulley assembly and enabling the pulley assembly to move left and right in the groove-shaped structure.

The pulley assembly comprises a first cutting wire pulley 26, the middle part of which is positioned on the bracket 29, and the two ends of which are movably positioned on the third left side plate and the third right side plate, and the first cutting wire pulley 26 is positioned on the bracket 29 through an upper pressing block 24 and a lower pressing block 25; the bracket 29 is also positioned with a second wire pulley 27 and a third wire pulley 28. In the present case, the first cutting wire pulley 26 is a large-diameter rotating wheel for positioning and changing direction of the cutting wire at a large angle. The first cutting wire pulley 6, the second cutting wire pulley 27 and the third cutting wire pulley 28 are sequentially arranged on the support 29, so that the support 29 is of a long groove-shaped structure in order to avoid interference of a cutting wire with parts, the first cutting wire pulley 6, the second cutting wire pulley 27 and the third cutting wire pulley 28 are positioned in the long groove-shaped structure, and the winding form of the cutting wire can be further changed by changing the number of the pulleys in practical application.

In the present case, the second module frame is through vertical positioning in right side board 1, Z axle front guide rail 11 on the left side board 2, 12 vertical slip of Z axle back guide rail, and be provided with Z axle servo motor 15 on roof 5, this Z axle servo motor 15 links firmly with interior roof 9 after running through roof 5 through first motor lead screw 16, first motor lead screw 16 links firmly with interior roof 9 through first ball slider 17, promote the lift stationarity of Z axle servo motor 15 to the second module frame, drive through Z axle servo motor 15, make the cooperation of wire cut support and wire cut machine realize seven axes and cut the linkage, except satisfying all cutting functions of current wire cut machine, still can realize cutting more complicated variable angle space curved surface, the wide and adaptability of processing scope.

The third module frame slides back and forth through a Y-axis transverse guide rail 13 positioned on the inner bottom plate 10, a Y-axis servo motor 18 is arranged on the inner rear plate 7, the Y-axis servo motor 18 penetrates through the inner rear plate 7 through a second motor screw rod 19 and then is fixedly connected with a third rear side plate, the second motor screw rod 19 is fixedly connected with the third rear side plate through a second ball sliding block 20, and the back and forth sliding stability of the Y-axis servo motor 18 to the third module frame is improved.

The bracket 29 in the pulley assembly slides left and right through an X-axis guide rail 34 arranged on the third front side plate, and an X-axis linear servo motor 14 arranged on the third rear side plate drives the pulley assembly to move and position, so that the bracket 29 is driven to move.

In order to protect the service lives of the first module frame, the second module frame, the third module frame and the pulley assembly, proximity switches are further arranged at key parts and are matched with servo motors for use, such as an upper proximity switch 21, a lower proximity switch 22, a rear proximity switch 23 and a front proximity switch 33 in fig. 2. Meanwhile, limit blocks are arranged to limit and protect the movement of each module frame, such as a lower limit block 26, an upper limit block 27 and a rear limit block 32.

In this case, the top abdicating long hole 37 is arranged on the top plate 5 and the inner top plate 9; the front process holes 36 are arranged on the front side plate 4 and the inner front plate 8, the specific winding mode and path of the cutting wire are related to the sizes of a bracket, a machine table lead frame, a workbench and the like of the wire cutting machine, and the winding is specifically carried out according to each matching size. The front process hole 36 and the top abdication long hole 37 are used for cutting wire winding abdication.

It should be emphasized that the X, Y, Z direction in this case is along the X, Y, Z axial direction in the mechanical drawing, which is also the X, Y, and Z directions commonly recognized by those skilled in the art.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.

Claims (3)

1. Novel wire cut electrical discharge machining, including the wire cut electrical discharge machining body that has board lead frame (100), board lead frame (100) lower part suspension wire cut support, its characterized in that: the wire cutting machine is characterized in that guide rails (101) are arranged on two sides of the machine table lead frame (100) along the length direction, the upper portion of the wire cutting support is movably arranged on the guide rails (101) in a spanning mode, a support driving servo motor (102) is arranged at the tail end of the machine table lead frame (100), and the support driving servo motor (102) is connected with the wire cutting support through a lead screw mechanism.

2. The novel wire cutting machine according to claim 1, characterized in that: the wire cutting support comprises a first module frame which is of a box-shaped structure, a second module frame which can vertically slide and be positioned is arranged in the first module frame, a third module frame which can slide back and forth and be positioned is arranged in the second module frame, a pulley assembly which can slide left and right and be positioned is arranged in the third module frame, the pulley assembly comprises a support (29) which extends to the outside of the first module frame, the second module frame and the third module frame and is parallel and same to the machine table lead frame, and a plurality of pulleys which can be used for winding a cutting wire are arranged on the support (29).

3. The novel wire cutting machine according to claim 2, characterized in that: first module frame is including right side board (1), left side board (2) that are vertical setting, locates posterior lateral plate (3), preceding curb plate (4) between this right side board (1), left side board (2) and locates roof (5), bottom plate (6) of this right side board (1), left side board (2) upper portion, lower extreme, the board lead frame is located between right side board (1), left side board (2) and be in roof (5) top.

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