Support for electric spark numerical control linear cutting machine tool

By designing a connecting plate and fastening device for the bracket on the EDM CNC wire cutting machine, the problem of displacement of round workpieces during processing was solved, achieving higher processing accuracy and stability.

CN223801716UActive Publication Date: 2026-01-16CHENGDU YUANWANG ZHIKE AUTOMOBILE ELECTRICAL APPLIANCES CO LTD
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Patent Information

Application Number
CN202520403921.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-01-16
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

When machining round workpieces, existing wire EDM machines are prone to workpiece displacement due to the gap between the mounting hole and the insert shaft, which affects machining accuracy.

Method used

Design a bracket for an EDM CNC wire cutting machine tool, comprising a connecting plate, a fastening device, and a pressing device. The bracket uses the cooperation of an arc plate and a threaded column to position a circular workpiece and prevent displacement.

Benefits of technology

This improves machining accuracy and ensures the stability and precision of round workpieces during the machining process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a support for an electric spark numerical control linear cutting machine tool, and relates to the technical field of electric spark linear cutting machine tools. The support for the electric spark numerical control linear cutting machine tool comprises a platform and a round workpiece, a mounting frame is fixed to the top end of the platform, a mounting plate is fixed to the top end of the mounting frame, a mounting groove is formed in the bottom end of one side of the mounting plate, and a connecting plate is fixed into the mounting groove through first bolts. The clamping device is provided with the connecting plate, the fastening device and the extrusion device, during use, limiting holes of a circular workpiece are inserted into the two arc-shaped plates, a threaded column is in threaded connection with a threaded hole in a rectangular groove, and due to the fact that the diameter of the top of the circular truncated cone column is larger than that of the bottom of the circular truncated cone column, mutual extrusion between the circular truncated cone column and a protruding plate can be achieved when the threaded column is rotated; and the two arc-shaped plates move towards the two sides, so that a limiting hole of the circular workpiece is extruded, the circular workpiece is positioned, displacement of the circular workpiece during machining is avoided, and the machining precision is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric spark wire cutting machine tool technical field, concretely is a support for electric spark numerical control wire cutting machine tool. BACKGROUND

[0002] Electric spark numerical control wire cutting machine tool is mainly used to manufacture various moulds, electrodes, precision parts, and the complex cavity and curved surface body of various conductive bodies such as hard alloy, quenched steel, graphite, aluminum alloy, structural steel, stainless steel, titanium alloy and diamond. It adopts computer control system, full-chinese automatic drawing programming and control software. The trajectory and time are displayed during processing, and the processing situation can be understood at any time. The wire cutting function is characterized by multiple cutting.

[0003] The circular workpiece can be machined into a gear by the electric spark wire cutting machine. When in use, the limiting hole on the circular workpiece is inserted into the insertion shaft on the mounting plate, and then the circular workpiece is axially limited by the limiting plate. In the prior art, the mounting hole is directly inserted into the insertion shaft, so that there is a gap between the mounting hole and the insertion shaft, and the circular workpiece is easy to shift during processing, which leads to inaccurate processing. Therefore, a support for electric spark numerical control wire cutting machine is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a support for electric spark numerical control wire cutting machine to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a support for electric spark numerical control wire cutting machine, including platform and circular workpiece, the platform top is fixed with mounting bracket, the mounting bracket top is fixed with mounting plate, the mounting plate one side bottom is opened with installation slot, the installation slot is fixed with connecting plate in through first bolt, the connecting plate both sides are evenly provided with fastening device, and the fastening device includes two arc plates.

[0006] Preferably, the fastening device includes a rectangular slot, and a sliding plate is movably connected to the two sides of the rectangular slot. A plurality of springs are fixed between the sliding plate and the inner wall of the rectangular slot. The arc-shaped plate is fixed to the top side of the sliding plate. The opposite sides of the two arc-shaped plates are integrally formed with a protruding plate.

[0007] Preferably, the extrusion device includes a threaded column, and a circular truncated cone column is integrally formed on the column body of the threaded column. The cross-sectional arc centers of the circular truncated cone column and the protruding plate coincide.

[0008] Preferably, a threaded hole is formed in the middle of the bottom end of the rectangular slot, and the threaded hole is adapted to the bottom column of the threaded column.

[0009] Preferably, the mounting plate top end side is provided with a limiting plate, and the limiting plate and the mounting plate are fixed through the second bolt.

[0010] Preferably, the outer arc diameter of the arc-shaped plate is smaller than the radius of the circular through hole on the mounting plate.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The support for the electric spark numerical control wire cutting machine tool is provided with the connecting plate, the fastening device and the extrusion device, the limiting hole of the circular workpiece is inserted into the two arc-shaped plates in use, the threaded column and the threaded hole in the rectangular groove are screwed, since the top diameter of the circular truncated cone column is larger than the bottom diameter, the circular truncated cone column and the convex plate can be extruded when the threaded column is rotated, the two arc-shaped plates move to the two sides, the extrusion of the limiting hole of the circular workpiece is realized, and the positioning of the circular workpiece is realized, the displacement of the circular workpiece during machining is avoided, and the machining precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the right side view of the utility model;

[0014] Figure 2 It is the axial view of the utility model after removing the circular workpiece;

[0015] Figure 3 It is the bottom view of the mounting plate of the utility model;

[0016] Figure 4 It is the exploded view of the fastening device and the extrusion device.

[0017] In the drawing: 1, platform; 101, mounting frame; 2, mounting plate; 3, limiting plate; 4, circular workpiece; 5, connecting plate; 6, fastening device; 601, rectangular groove; 602, sliding plate; 603, spring; 604, arc-shaped plate; 605, convex plate; 7, extrusion device; 701, threaded column; 702, circular truncated cone column; 8, first bolt. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] It should be noted that in the description of the present application, the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0020] In addition, it should be understood that the sizes of various components shown in the drawings are not drawn in accordance with the actual proportional relationship, for example, the thickness or width of certain layers can be exaggerated relative to other layers.

[0021] It should be noted that similar reference numbers and letters represent similar items in the following drawings, and therefore, once an item is defined or described in one drawing, it will not need to be further specifically discussed and described in the description of subsequent drawings.

[0022] As shown in Figures 1-4 The utility model provides a kind of technical scheme: a bracket for electric spark numerical control wire cutting machine tool, including platform 1 and circular workpiece 4, platform 1 is fixed in the top of electric spark numerical control wire cutting machine tool, mounting bracket 101 is fixed in the top end of platform 1, mounting bracket 101 is L type, mounting bracket 101 is made of cast iron material, mounting plate 2 is fixed in the top end of mounting bracket 101, mounting plate 2 is made of 304 stainless steel material, 304 stainless steel has good corrosion resistance, heat resistance, low temperature strength and mechanical characteristics, stamping, bending and other thermal workability are good, there is no heat treatment hardening phenomenon, resistant to atmospheric corrosion, with good machining performance and weldability, so it is suitable for the embodiment, and limit plate 3 is arranged in the top end side of mounting plate 2, and limit plate 3 is fixed with mounting plate 2 by second bolt, it should be known that, circular hole is formed in mounting plate 2 and limit plate 3, internal thread is arranged in the circular hole of mounting plate 2, after circular workpiece 4 is placed on mounting plate 2, limit plate 3 is placed on the top of circular workpiece 4, then second bolt is rotated, the fixing between mounting plate 2, limit plate 3 and circular workpiece 4 can be realized, this is prior art, and it will not be described in detail in this paper, mounting groove is formed in the side bottom end of mounting plate 2, and connecting plate 5 is fixed in mounting groove by first bolt 8, fastening device 6 is arranged in the both sides of connecting plate 5, fastening device 6 is symmetrically arranged, wherein, fastening device 6 includes two arc plates 604, it should be known that, arc plate 604 is arranged in the circular through hole formed in mounting plate 2, and the outer arc diameter of arc plate 604 is less than the radius of circular through hole on mounting plate 2, the radius of limit hole on circular workpiece 4 is less than the radius of circular through hole on mounting plate 2, extrusion device 7 is inserted between two arc plates 604.

[0023] To ensure the smooth implementation of the scheme, it needs to be noted that the fastening device 6 includes a rectangular groove 601, a threaded hole is opened in the middle of the bottom end of the rectangular groove 601, a sliding plate 602 is movably connected from both sides of the rectangular groove 601, specifically, a sliding groove is opened on the inner wall of both sides of the rectangular groove 601, a protrusion is integrally formed on both sides of the sliding plate 602, the protrusion and the sliding groove are matched, a plurality of springs 603 are fixed between the sliding plate 602 and the inner wall of the rectangular groove 601, in the embodiment, the number of springs 603 arranged between the sliding plate 602 and the inner wall of the rectangular groove 601 is 2, and they are symmetrically distributed, an arc-shaped plate 604 is fixed on one side of the top end of the sliding plate 602, and a protruding plate 605 is integrally formed on the opposite side of the two arc-shaped plates 604.

[0024] To ensure the smooth implementation of the scheme, it needs to be known that the extrusion device 7 includes a threaded column 701, a nut is integrally formed on the top end of the threaded column 701, it needs to be understood that the bottom column of the threaded column 701 is matched with the threaded hole opened in the middle of the bottom end of the rectangular groove 601, a circular truncated cone column 702 is integrally formed on the column of the threaded column 701, the top diameter of the circular truncated cone column 702 is larger than the bottom diameter, and it needs to be pointed out that the cross-sectional arc centers of the circular truncated cone column 702 and the protruding plate 605 coincide.

[0025] For the supplement of the scheme, in use, first, the circular workpiece 4 is inserted into the two arc-shaped plates 604, and the bottom end of the circular workpiece 4 is kept in contact with the top end of the mounting plate 2, the threaded column 701 is screwed with the threaded hole in the rectangular groove 601, the threaded column 701 is rotated, at this time, the circular truncated cone column 702 moves downward, since the top diameter of the circular truncated cone column 702 is larger than the bottom diameter, when the threaded column 701 is rotated, the circular truncated cone column 702 and the protruding plate 605 can be extruded, so that the two arc-shaped plates 604 and the sliding plate 602 move to opposite sides, until the back surface of the arc-shaped plate 604 is extruded with the inner wall of the circular workpiece limiting hole, the positioning of the circular workpiece 4 is realized, finally, the limiting plate 3 is placed on the top of the circular workpiece 4, then the second bolt is rotated, thereby the fixing between the mounting plate 2, the limiting plate 3 and the circular workpiece 4 can be realized, after one-time processing, the threaded column 701 is reversed, under the elastic force of the spring 603, the arc-shaped plate 604 is reset.

[0026] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A support for electrospark numerical control wire cutting machine tool comprising a platform (1) and a circular workpiece (4), characterized in that: The top of the platform (1) is fixed with a mounting rack (101), the top of the mounting rack (101) is fixed with a mounting plate (2), one side of the bottom of the mounting plate (2) is provided with a mounting slot, the connecting plate (5) is fixed in the mounting slot through the first bolt (8), the connecting plate (5) is provided with the fastening device (6) on both sides, the fastening device (6) comprises two arc-shaped plates (604), the arc-shaped plates (604) are arranged in the circular through hole of the mounting plate (2), and the extrusion device (7) is inserted between the two arc-shaped plates (604).

2. The support for the electric spark NC wire cutting machine tool according to claim 1, characterized in that: The fastening device (6) comprises a rectangular groove (601), the two sides of the rectangular groove (601) are movably connected with sliding plates (602), a plurality of springs (603) are fixed between the sliding plates (602) and the inner walls of the rectangular groove (601), the arc-shaped plates (604) are fixed on one side of the top of the sliding plate (602), and the opposite sides of the two arc-shaped plates (604) are integrally formed with convex plates (605).

3. The support for the electric spark NC wire cutting machine tool according to claim 1, characterized in that: The extrusion device (7) comprises a threaded column (701), a circular truncated cone column (702) is integrally formed on the column body of the threaded column (701), and the cross-sectional arc centers of the circular truncated cone column (702) and the convex plate (605) coincide.

4. The support for the electric spark NC wire cutting machine tool according to claim 2, characterized in that: The bottom of the rectangular groove (601) is provided with a threaded hole in the middle, and the threaded hole is matched with the bottom column body of the threaded column (701).

5. The support for the electric spark NC wire cutting machine tool according to claim 1, characterized in that: The top of the mounting plate (2) is provided with a limiting plate (3) on one side, and the limiting plate (3) and the mounting plate (2) are fixed through the second bolt.

6. The support for the electric spark NC wire cutting machine tool according to claim 2, characterized in that: The outer arc diameter of the arc-shaped plate (604) is smaller than the radius of the circular through hole on the mounting plate (2).