CN211028440U

CN211028440U - Guiding device of spark erosion drilling machine

Info

Publication number: CN211028440U
Application number: CN201921899765.8U
Authority: CN
Inventors: 曹乐坤; 袁靖楠; 杨松霖; 曹涵
Original assignee: Luzhou Nanxin Glass Mould Co ltd
Current assignee: Luzhou Nanxin Glass Mould Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-07-17
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses an electric spark perforating machine guider, including guide bracket and director, the mounting groove that is regular hexagon structure is seted up at the top of guide bracket, the inside sliding fit of mounting groove has the guide bracket director that runs through, and the outer table wall of director and the inner wall laminating of mounting groove. The utility model discloses in, at first, when the lapse of electrode, utilize rolling friction to replace sliding friction, the friction to the electrode has been reduced, when the electrode rotates simultaneously, because the point friction of wear-resisting insulating ball and electrode replaces traditional wear-resisting insulating part and the comprehensive contact friction of electrode, the wearing and tearing to the electrode have been reduced, the life of electrode has been promoted, secondly, carry on spacingly to the vertical direction of director through the limiting plate, mounting groove through regular hexagon structure carries on spacingly to the director horizontal direction, the unable realization of director rotates simultaneously, the problem that the director passes through the easy not hard up and fixed convenience is poor has been solved from this.

Description

Guiding device of spark erosion drilling machine

Technical Field

The utility model relates to an electric spark punch technical field especially relates to an electric spark punch guider.

Background

The spark erosion drilling machine is an electrical spark machining machine tool which is used for machining holes with the size smaller than 5mm by using an electrical spark machining principle. The die is used for processing small and medium size stamping dies, is not limited by the hardness of metal materials, and can be used for processing required holes by the die after quenching a template so as to ensure the quality and prolong the service life. The tool electrode material can be steel, cast iron or copper.

However, the existing guiding device of the spark erosion drilling machine still has the defects that: firstly, spark-erosion perforating machine director is inside to be provided with mostly to be the wear-resisting insulating part of annular of middle trompil, wear-resisting insulating part inner wall and the comprehensive contact of electrode surface, reciprocate and the electrode rotates the time at the electrode, wear-resisting insulating part inner wall and electrode surface contact friction are great, reduce the life of electrode, there is the big problem of director and electrode friction, secondly, current director is cylindrical structure mostly, the director passes through the bolt fastening inboard at the guide bracket, during the use, the director receives easy not hard up under the electrode friction pivoted vibrations power effect, lead to fixed effect to descend, and simultaneously, the bolt fastening convenience is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the guiding device of the spark erosion drilling machine is provided for solving the problems that friction between the guiding device and an electrode is large, a bolt is easy to loosen, and fixing convenience is poor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electric spark perforating machine guider, includes guide bracket and director, the mounting groove that is regular hexagon structure is seted up at the top of guide bracket, the inside sliding fit of mounting groove has runs through the guide bracket director, and the outer table wall of director and the inner wall laminating of mounting groove, the inboard top and the bottom of director all rotate through the pivot and are connected with four groups of wear-resisting insulating balls, and two liang of laminating of four groups of wear-resisting insulating balls, the central through-hole has been seted up to the inboard of director, and the clearance department intercommunication between central through-hole and four groups of wear-resisting insulating balls.

As a further description of the above technical solution:

the inside of guide bracket is located the both sides of mounting groove and has all seted up the spout, the inboard slip of spout has inlayed the limiting plate, and the exterior wall of limiting plate and the inner wall laminating of spout.

As a further description of the above technical solution:

and the outer side of the limiting plate is fixedly connected with a sliding rod.

As a further description of the above technical solution:

and an extrusion spring is sleeved on the outer end face of the sliding rod between the guide bracket and the limiting plate.

As a further description of the above technical solution:

the top of guide bracket is located the both sides of mounting groove and has seted up the spacing groove, the top of limiting plate is located the inboard fixedly connected with ejector pad in spacing groove.

As a further description of the above technical solution:

chip removal holes are formed in the outer end face of the guider and communicated with the central through hole.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through with the inboard of electrode cunning to four groups of wear-resisting insulating ball clearance departments, during the lapse of electrode, wear-resisting insulating ball rolls along the electrode gliding direction, utilizes rolling friction to replace sliding friction, has reduced the friction to the electrode, when the electrode rotates simultaneously, because the point friction of wear-resisting insulating ball and electrode replaces traditional wear-resisting insulating part and the comprehensive contact friction of electrode, has reduced the wearing and tearing to the electrode, has promoted the life of electrode.

2. The utility model discloses in, to both sides pulling ejector pad, make the limiting plate cunning to the mounting groove outside, with the director cunning to the mounting groove in, loosen the ejector pad, the limiting plate slides to the mounting groove inboard under the extrusion spring effect this moment, it is spacing to carry out the vertical direction of director, set up to regular hexagon structure through the mounting groove with the guide bracket, and the laminating of the exterior wall and the mounting groove inner wall of director, thereby it is spacing to carry out the director horizontal direction, the unable realization of director rotates simultaneously, thereby fix the inboard at the guide bracket with the director, high durability and convenient use, and fixed effectual, the problem that the director passes through the easy not hard up and fixed convenience of bolt fastening vibrations is poor has been solved from this.

Drawings

FIG. 1 is a schematic diagram illustrating a cross-sectional view of a guiding device of an EDM machine according to an embodiment of the present invention;

fig. 2 shows a schematic view from above according to the present invention;

figure 3 shows a schematic diagram of a cross-sectional view of a guide provided in accordance with an embodiment of the present invention;

fig. 4 shows a schematic diagram of a cross-sectional top view of a guide provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a guide bracket; 2. a chute; 3. a slide bar; 4. a limiting plate; 5. a compression spring; 6. a push block; 7. a limiting groove; 8. mounting grooves; 9. a guide; 10. chip removal holes; 11. a central through hole; 12. wear-resistant insulating balls.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a guide device of an electric spark perforating machine comprises a guide support 1 and a guider 9, wherein the top of the guide support 1 is provided with a mounting groove 8 in a regular hexagon structure, the inside of the mounting groove 8 is embedded with the guider 9 penetrating through the guide support 1 in a sliding way, the outer surface wall of the guider 9 is attached to the inner wall of the mounting groove 8, the top and the bottom of the inner side of the guider 9 are respectively connected with four groups of wear-resistant insulating balls 12 in a rotating way through a rotating shaft, the four groups of wear-resistant insulating balls 12 are attached to each other two by two, the inner side of the guider 9 is provided with a central through hole 11, the central through hole 11 is communicated with gaps among the four groups of wear-resistant insulating balls 12, the wear-resistant insulating balls 12 are connected with the guider 9 in a rotating way through the rotating shaft, when electrodes are embedded into the gaps among the four groups of wear-resistant insulating balls 12 in the guide 9 in a sliding way, thereby reduced the wearing and tearing to the electrode, simultaneously, when the electrode rotated in director 9 inboardly, utilize the friction of electrode and wear-resisting insulating ball 12 interpoint to replace the friction of traditional wear-resisting insulating part and electrode face, thereby reduced the wearing and tearing to the electrode, be regular hexagon structure through mounting groove 8, and the exterior wall of director 9 and the laminating of the inner wall of mounting groove 8, thereby carry on spacingly to the horizontal direction of director 9, simultaneously, director 9 can't rotate in the inboard of mounting groove 8.

Specifically, as shown in fig. 1 and 2, the inside of the guide bracket 1 is provided with sliding grooves 2 at both sides of the mounting groove 8, a limiting plate 4 is slidably inserted into the inside of the sliding grooves 2, the outer surface wall of the limiting plate 4 is attached to the inner wall of the sliding grooves 2, a sliding rod 3 is fixedly connected to the outside of the limiting plate 4, an extrusion spring 5 is sleeved between the guide bracket 1 and the limiting plate 4 at the outer end surface of the sliding rod 3, a limiting groove 7 is provided at both sides of the mounting groove 8 at the top of the guide bracket 1, a pushing block 6 is fixedly connected to the inside of the limiting groove 7 at the top of the limiting plate 4, the pushing block 6 is pushed to both sides to drive the limiting plate 4 to slide to both sides, and the extrusion spring 5 contracts, when the limiting plate 4 is slidably inserted to the outside of the mounting groove 8, the guide 9 is slidably inserted to the inside of the mounting groove 8, the pushing block 6 is, thereby it is spacing to the vertical direction of director 9, through the setting of spacing groove 7, the ejector pad 6 of being convenient for slides in spacing groove 7, simultaneously, carries on spacingly to the gliding maximum helical pitch of ejector pad 6.

Specifically, as shown in fig. 1, a chip removal hole 10 is formed in the outer end surface of the guide 9, the chip removal hole 10 is communicated with the central through hole 11, and is communicated with the central through hole 11 through the chip removal hole 10, so that chips generated by perforation flow into the chip removal hole 10 through the central through hole 11 and are discharged outwards.

The working principle is as follows: when the electrode guide device is used, the pushing block 6 is pushed towards two sides to drive the limiting plate 4 to slide towards two sides, the extrusion spring 5 contracts, when the limiting plate 4 is slidably embedded to the outer side of the mounting groove 8, the guide device 9 is slidably embedded to the inner side of the mounting groove 8, the pushing block 6 is loosened, at the moment, the limiting plate 4 slides towards the inner side of the mounting groove 8 under the action of the extrusion spring 5, so that the vertical direction of the guide device 9 is limited, the guide device 9 is in a regular hexagon structure through the mounting groove 8, the outer surface wall of the guide device 9 is attached to the inner wall of the mounting groove 8, so that the horizontal direction of the guide device 9 is limited, meanwhile, the guide device 9 cannot rotate at the inner side of the mounting groove 8, so that the guide device 9 is fixed in the mounting groove 8 at the inner side of the guide support 1, when the electrode is used, the electrode needs to penetrate through the central through hole, when the electrode is slidably inserted into the gap between the four groups of wear-resistant insulating balls 12 in the guide 9, the wear-resistant insulating balls 12 rotate along the sliding insertion direction of the electrode, and the rolling friction between the wear-resistant insulating balls 12 and the electrode replaces the traditional sliding friction, so that the wear to the electrode is reduced, and meanwhile, when the electrode rotates on the inner side of the guide 9, the friction between the electrode and the wear-resistant insulating balls 12 replaces the traditional friction between a wear-resistant insulating part and the electrode surface, so that the wear to the electrode is reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an electric spark perforating machine guider, includes guide bracket (1) and director (9), its characterized in that, mounting groove (8) that are regular hexagon structure are seted up at the top of guide bracket (1), the inside sliding of mounting groove (8) has been inlayed and has been run through guide bracket (1) director (9), and the exterior wall of director (9) and the inner wall laminating of mounting groove (8), the inboard top and the bottom of director (9) all rotate through the pivot and are connected with four groups wear-resisting insulating balls (12), and two liang of laminating of four groups wear-resisting insulating balls (12), central through-hole (11) have been seted up to the inboard of director (9), and the clearance department intercommunication between central through-hole (11) and four groups wear-resisting insulating balls (12).

2. The guiding device of the spark erosion perforating machine according to claim 1, characterized in that sliding grooves (2) are formed in the two sides of the mounting groove (8) inside the guiding support (1), a limiting plate (4) is embedded in the inner side of each sliding groove (2) in a sliding manner, and the outer surface wall of each limiting plate (4) is attached to the inner wall of each sliding groove (2).

3. The guiding device of the spark erosion perforating machine according to claim 2, characterized in that the sliding rod (3) is fixedly connected to the outer side of the limiting plate (4).

4. The guiding device of the spark erosion perforating machine according to claim 3, characterized in that the outer end surface of the sliding rod (3) is sleeved with an extrusion spring (5) between the guiding bracket (1) and the limiting plate (4).

5. The guiding device of the spark erosion drilling machine according to claim 2, wherein the top of the guiding support (1) is provided with a limiting groove (7) at two sides of the mounting groove (8), and the top of the limiting plate (4) is fixedly connected with a pushing block (6) at the inner side of the limiting groove (7).

6. The guiding device of the spark erosion drilling machine according to claim 1, wherein the outer end face of the guider (9) is provided with a chip removal hole (10), and the chip removal hole (10) is communicated with the central through hole (11).