Wire-electrode cutting threading hole die

Abstract

The utility model provides a wire cutting threading eye mold which comprises an eye mold module, the eye mold module is arranged at one end of a threading guide pipe, a limiting table is arranged in one end of the threading guide pipe, one end of the eye mold module abuts against the limiting table, and the other end of the eye mold module abuts against a locking module. The locking module is detachably installed at one end of the threading guide pipe, when the eye model module needs to be replaced, the locking module is detached from the end of the threading guide pipe, then the eye model module to be replaced is directly taken out from the interior of the threading guide pipe, the whole device is simple in structure and convenient to replace and maintain, the working efficiency is greatly improved, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to wire cutting equipment accessory technical field, specifically, relate to a wire cutting threading eye mould. BACKGROUND

[0002] Wire cutting technology is a kind of precision machining method widely used in mould manufacturing, metal processing and other fields, and its core principle is to realize the cutting of workpiece by the discharge action between high-speed moving electrode wire and workpiece, and in this machining process, threading eye mould as the key auxiliary component plays a crucial role.

[0003] At present, in the existing threading eye mould, such as the patent with the authorization announcement No.CN210253604U, the utility model discloses a middle wire cutting guide eye mould, relates to wire drawing technology, aims at solving the problems that the cooling of wire is not uniform enough in prior art, and the internal guide eye mould cannot be cooled, and its technical scheme points are: a middle wire cutting guide eye mould, including mould shell and mould core arranged in the mould shell, the mould shell includes lower part and upper part, the lower part is centrally penetrated and is provided with clamping hole, the upper part is provided with water storage cavity, and the lower part end face is provided with water injection hole communicated with the water storage cavity;The mould core includes mould core sleeve and diamond arranged in the inside of mould core sleeve.

[0004] But the guide eye mould, since the upper opening edge of mould core sleeve 21 is punched by press, thereby forming rear pressing ring edge 27, and then the clamping restriction of diamond 22 is realized by the cooperation of gradient edge 26 and rear pressing ring edge 27, the diamond and other components in the eye membrane are worn out for a long time, and it is not convenient to replace quickly, the convenience of use is reduced, the complexity of personnel component replacement maintenance is increased, and the maintenance cost is increased.

[0005] Therefore, overcoming the defects existing in the prior art is an urgent problem to be solved in the technical field. UTILITY MODEL CONTENTS

[0006] The utility model provides a wire cutting threading eye mould, aims at improving the inconvenient problem of existing eye mould replacement.

[0007] In order to achieve the above object, the utility model provides a wire cutting threading eye mould, and the specific technical scheme is as follows:

[0008] A wire cutting threading eye mould, including eye mould module, the eye mould module is arranged at one end of threading guide pipe, the one end of threading guide pipe is internally provided with limiting table, one end of eye mould module is in abutment with limiting table, and the other end is in abututment with locking module, and the locking module is detachably installed at one end of threading guide pipe.

[0009] In one of the embodiments, the eye mold module comprises a mold sleeve, a mounting hole is formed in the middle of the mold sleeve, a mold core is inlaid in the mounting hole, the mold sleeve and the mold core are assembled and installed into the wire drawing guide pipe, one end of them abuts against the limiting platform, a first guide cone hole is formed in the middle of the mold core, and the electrode wire for cutting passes through the mold core from the first guide cone hole.

[0010] In one of the embodiments, the mold sleeve and the mold core are integrally formed.

[0011] In one of the embodiments, the locking module is a locking cap, the locking cap comprises a first locking plug, the first locking plug is detachably arranged in the wire drawing guide pipe, one end of the first locking plug is provided with a first guide sleeve, the other end of the first locking plug abuts against the eye mold module, a second guide cone hole is arranged in the first locking plug and the first guide sleeve, and the second guide cone hole is communicated with the eye mold module.

[0012] In one of the embodiments, the first guide sleeve is arranged outside the wire drawing guide pipe.

[0013] In one of the embodiments, the locking module comprises a second locking plug and a second guide sleeve, the second locking plug is detachably arranged in the wire drawing guide pipe, one end of the second locking plug abuts against the eye mold module, a third guide cone hole is formed in the middle of the second locking plug, the second guide sleeve is arranged in the wire drawing guide pipe, one end of the second guide sleeve abuts against the limiting platform, the other end of the second guide sleeve abuts against the eye mold module, a fourth guide cone hole is formed in the second guide sleeve, and the fourth guide cone hole is communicated with the third guide cone hole through the eye mold module.

[0014] In one of the embodiments, a notch is formed in the outer end surface of the second locking plug.

[0015] In one of the embodiments, the first locking plug is threadedly connected with the wire drawing guide pipe.

[0016] In one of the embodiments, the second locking plug is threadedly connected with the wire drawing guide pipe.

[0017] In one of the embodiments, the mounting hole is hexagonal, and the corresponding mold core is hexagonal.

[0018] The beneficial effects of the embodiment are as follows:

[0019] The eye mold module is put into the wire penetrating catheter, and then abuts against the limiting table in the wire penetrating catheter, and then the locking module is detachably installed at the opening of the wire penetrating catheter until the locking module abuts against the other end of the eye mold module, and then the eye mold module is fixed in the wire penetrating catheter under the action of the limiting table and the locking module, when the eye mold module needs to be replaced, the locking module is removed from the wire penetrating catheter, and then the eye mold module is directly taken out from the wire penetrating catheter for replacement, the whole device is simple in structure, convenient to replace and maintain, greatly improves the work efficiency, and reduces the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of the drawings.

[0021] Figure 1 is a schematic diagram of the lower wire penetrating structure provided by the embodiments of the present application;

[0022] Figure 2 is an exploded view of the lower wire penetrating structure provided by the embodiments of the present application;

[0023] Figure 3 is a cross-sectional schematic diagram of the lower wire penetrating structure provided by the embodiments of the present application;

[0024] Figure 4 is an exploded view of the eye mold module provided by the embodiments of the present application;

[0025] Figure 5 is a schematic diagram of the upper wire penetrating structure provided by the embodiments of the present application;

[0026] Figure 6 is an exploded view of the upper wire penetrating structure provided by the embodiments of the present application Figure 1 ;

[0027] Figure 7 is a schematic diagram of the upper wire penetrating structure provided by the embodiments of the present application Figure 2 ;

[0028] Figure 8 is a schematic diagram of the upper wire penetrating structure provided by the embodiments of the present application.

[0029] BRIEF DESCRIPTION OF DRAWINGS

[0030] 100, eye mold module; 110, mold sleeve; 111, mounting hole; 120, mold core; 121, first guide cone hole;

[0031] 200, wire guide tube; 210, limiting table;

[0032] 300, locking module; 310, locking cap; 311, first locking plug; 312, first guide sleeve; 313, second guide cone hole;

[0033] 320, second locking plug; 321, third guide cone hole; 322, notch; 330, second guide sleeve; 331, fourth guide cone hole. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is 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 scope of protection of the utility model.

[0035] The technical scheme provided by the utility model embodiment will be introduced below in combination with the drawings.

[0036] Please refer to Figures 1-4 The utility model embodiment provides a wire cutting wire eye die, which comprises an eye die module 100, the eye die module 100 is arranged at one end of a wire guide tube 200, a limiting table 210 is arranged inside one end of the wire guide tube 200, one end of the eye die module 100 abuts against the limiting table 210, and the other end abuts against a locking module 300, the locking module 300 is detachably installed at one end of the wire guide tube 200, when the eye die module 100 needs to be replaced, the locking module 300 is removed from the end of the wire guide tube 200, then the eye die module 100 to be replaced is directly taken out from the inside of the wire guide tube 200, the structure is simple, the operation is convenient, the working efficiency is greatly improved, and the maintenance cost is reduced.

[0037] Specifically, the eye die module 100 comprises a die sleeve 110, a mounting hole 111 is formed in the middle of the die sleeve 110, a die core 120 is inlaid in the mounting hole 111, the die core 120 will rub against the electrode wire and be easily damaged, so a high-hardness and wear-resistant material such as diamond material needs to be selected, in addition, the mounting hole 111 is hexagonal, and the die core 120 is correspondingly designed as hexagonal to cooperate with the mounting hole 111, so that the die core 120 will not rotate after being installed into the die sleeve 110, and the stability of assembly of the die core 120 and the die sleeve 110 is improved.

[0038] The die sleeve 110 and the die core 120 are assembled and installed into the wire feeding catheter 200, and the die sleeve 110 and the die core 120 can also be integrally formed, and one end of each of the die sleeve 110 and the die core 120 abuts against the limiting table 210, and the limiting table 210 realizes positioning of the die sleeve 110 and the die core 120, and the die core 120 is provided with a first guide cone hole 121 in the middle, and the electrode wire for cutting can pass through the die core 120 from the first guide cone hole 121.

[0039] It should be noted that, in order to realize the construction of the electrode wire feeding path, two common wire feeding structures appear in the market at present: a wire feeding structure in which the wire feeding catheter is located below the workpiece, and the electrode wire enters the wire feeding catheter through the workpiece recess, that is, a down wire feeding structure; and a wire feeding structure in which the wire feeding catheter is located above the workpiece, and the electrode wire enters the workpiece recess through the wire feeding catheter, that is, an up wire feeding structure.

[0040] When the wire feeding is the down wire feeding structure:

[0041] Please refer to Figures 1-4 The locking module 300 is a locking cap 310, the locking cap 310 comprises a first locking plug 311, the first locking plug 311 is detachably arranged in the wire feeding catheter 200, preferably, the first locking plug 311 is threadedly connected with the wire feeding catheter 200, facilitating dismounting and mounting of the first locking plug 311, one end of the first locking plug 311 is integrally provided with a first guide sleeve 312, preferably, the first guide sleeve 312 is arranged outside the wire feeding catheter 200, the other end of the first locking plug 311 abuts against the eye die module 100, the other end of the eye die module 100 abuts against the limiting table 210, and then the eye die module 100 is fixed in the wire feeding catheter 200 under the action of the limiting table 210 and the first locking plug 311, the first locking plug 311 and the first guide sleeve 312 are provided with a second guide cone hole 313, the second guide cone hole 313 is communicated with the eye die module 100, when the down wire feeding structure is adopted, the electrode wire for cutting passes through the locking cap 310 from the second guide cone hole 313, then enters the eye die module 100, and then passes through the eye die module 100 to enter the wire feeding catheter 200, facilitating guiding of the electrode wire into the wire feeding catheter 200 and realizing wire feeding.

[0042] It should be noted that the wire cutting wire feeding eye die of the down wire feeding structure in the embodiment can be used for the down wire feeding structure and also can be used for the up wire feeding structure.

[0043] When the wire feeding is the up wire feeding structure:

[0044] Please refer to Figures 5-8The locking module 300 is a second locking plug 320 and a second guide sleeve 330, the second locking plug 320 is detachably arranged in the wire guide catheter 200, preferably, the second locking plug 320 and the wire guide catheter 200 are threadedly connected, so that the second locking plug 320 and the wire guide catheter 200 can be quickly disassembled and assembled, one end of the second locking plug 320 abuts against the eye mold module 100, a third guide cone hole 321 is formed in the middle of the second locking plug 320, the second guide sleeve 330 is arranged in the wire guide catheter 200, one end of the second guide sleeve 330 abuts against the limiting table 210, and the other end abuts against the eye mold module 100, so that the eye mold module 100 is clamped in the middle of the second locking plug 320 and the second guide sleeve 330, a fourth guide cone hole 331 is formed in the second guide sleeve 330, the fourth guide cone hole 331 is communicated with the third guide cone hole 321 through the eye mold module 100, specifically, the electrode wire for cutting passes through the fourth guide cone hole 331 in the wire guide catheter 200, then passes through the second guide sleeve 330, then passes through the first guide cone hole 121 in the eye mold module 100, and then passes out of the second locking plug 320 from the third guide cone hole 321, so that the electrode wire passes through, preferably, a notch 322 is formed in the outer end face of the second locking plug 320, a tool is clamped into the notch 322, so that the second locking plug 320 is rotated, and the second locking plug 320 is disassembled and assembled.

[0045] It should be noted that the wire cutting wire eye mold of the upper wire structure in the embodiment is only a preferred scheme of the upper wire structure.

[0046] In the description of the utility model, unless there is definite and limited, the term "installation" "connection" "connect" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can indirectly connect through the intermediate medium, can be the communication of two elements inside. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.

[0047] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model to a particular orientation, configuration and operation, and therefore cannot be understood as limiting the utility model.

[0048] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A wire electrical discharge trepanning die comprising: The utility model provides an eye mould module (100) is arranged at one end of a wire guide tube (200), a limiting table (210) is arranged inside one end of the wire guide tube (200), one end of the eye mould module (100) is in abutment with the limiting table (210), and the other end is in abutment with a locking module (300), and the locking module (300) is detachably installed at one end of the wire guide tube (200).

2. A wire electrical discharge trepanning die according to claim 1 wherein, The eye mould module (100) comprises a mould cover (110), the mould cover (110) is provided with an installation hole (111) in the middle, a mould core (120) is embedded in the installation hole (111), and the mould cover (110) and the mould core (120) are assembled and installed in the wire guide tube (200); one end of the mould cover (110) and the mould core (120) is in abutment with the limiting table (210), a first guide cone hole (121) is formed in the middle of the mould core (120), and an electrode wire for cutting passes through the mould core (120) from the first guide cone hole (121).

3. A wire electrical discharge trepanning die according to claim 2 wherein, The mould cover (110) and the mould core (120) are integrally formed.

4. The wire electrical discharge trepanning die of claim 1 wherein, The locking module (300) is a locking cap (310), the locking cap (310) comprises a first locking plug (311), the first locking plug (311) is detachably arranged in the wire guide tube (200), one end of the first locking plug (311) is provided with a first guide sleeve (312), the other end of the first locking plug (311) is in abutment with the eye mould module (100), a second guide cone hole (313) is arranged in the first locking plug (311) and the first guide sleeve (312), and the second guide cone hole (313) is communicated with the eye mould module (100).

5. A wire electrical discharge trepanning die according to claim 4 wherein, The first guide sleeve (312) is arranged outside the wire guide tube (200).

6. The wire electrical discharge trepanning die of claim 1 wherein, The locking module (300) comprises a second locking plug (320) and a second guide sleeve (330), the second locking plug (320) is detachably arranged in the wire guide tube (200), one end of the second locking plug (320) is in abutement with the eye mould module (100), a third guide cone hole (321) is formed in the middle of the second locking plug (320), the second guide sleeve (330) is arranged in the wire guide tube (200), one end of the second guide sleeve (330) is in abutement with the limiting table (210), the other end is in abutement with the eye mould module (100), a fourth guide cone hole (331) is formed in the second guide sleeve (330), and the fourth guide cone hole (331) is communicated with the third guide cone hole (321) through the eye mould module (100).

7. A wire electrical discharge trepanning die according to claim 6 wherein, A notch (322) is formed in the outer end surface of the second locking plug (320).

8. The wire electrical discharge trepanning die of claim 4 wherein, The first locking plug (311) and the wire guide tube (200) are screw-connected.

9. The wire electrical discharge trepanning die of claim 6 wherein, The second locking plug (320) and the wire guide tube (200) are screw-connected.

10. The wire electrical discharge trepanning die of claim 2 wherein, The installation hole (111) is hexagonal, and the corresponding mould core (120) is hexagonal.

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