CN215746467U

CN215746467U - Cutting tool for trimming electrode tip

Info

Publication number: CN215746467U
Application number: CN202121808062.7U
Authority: CN
Inventors: 朱文明
Original assignee: Suzhou Sumaihui Precision Machinery Co ltd
Current assignee: Suzhou Sumaihui Precision Machinery Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-02-08
Anticipated expiration: 2031-08-04

Abstract

The utility model provides a cutting tool for trimming the tip of an electrode, which comprises three blades, a lower tool holder, an upper tool holder and connecting blocks, wherein the left side surface of each blade is provided with a cutting edge, the right end surface of each cutting edge is provided with a slag discharge groove, the upper end surface of the lower tool holder is provided with three clamping grooves I which are uniformly distributed, each connecting block is welded in the lower tool, the inner side surface of each connecting block is provided with a clamping groove II, the lower end surface of the upper tool holder is provided with three clamping blocks III which are uniformly distributed, and the upper tool holder is arranged at the upper end of the lower tool holder; compared with the prior art, the utility model has the following beneficial effects: can carry out the coping to the electrode point, the coping piece that the coping produced can be through arranging the slag chute ejection of compact, avoids clearing up the clastic problem of coping, improves coping efficiency, and can change single blade in the later stage, practices thrift the cost.

Description

Cutting tool for trimming electrode tip

Technical Field

The utility model belongs to the technical field of cutting tools, and particularly relates to a cutting tool for trimming an electrode tip.

Background

The electrode tip generates a layer of hard oxide film on the surface after being used for a period of time, and when a conventional high-speed steel blade is sharpened, the blade is easy to wear and break, the blade is high in loss and high in cost, so that a cutting tool for dressing the tip of the electrode is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, it is an object of the present invention to provide a cutting tool for dressing an electrode tip that addresses the problems set forth in the background above.

The utility model is realized by the following technical scheme: the utility model provides a cutting tool for repairing electrode point end, includes blade, lower tool holder, goes up tool holder and connecting block, the blade is provided with threely, blade left side surface upper end is fixed with fixture block two, blade right side upper end fixed surface has fixture block one, blade left side surface is provided with the cutting edge, cutting edge right-hand member face is provided with row cinder notch, three evenly distributed's draw-in groove one is seted up to lower tool holder upper end surface, the connecting block welding is in the lower tool, draw-in groove two has been seted up to the connecting block inside surface, and is three the blade passes through fixture block one, fixture block two, draw-in groove one and draw-in groove two and installs between lower tool holder and connecting block, the lower extreme surface of going up tool holder is provided with three evenly distributed's fixture block three, it installs in lower tool holder upper end to go up the tool holder.

As a preferred embodiment, a plurality of equally spaced connecting screw holes are formed in the upper end surface of the upper tool block, a plurality of equally spaced connecting screw holes are formed in the upper end surface of the lower tool block, and the upper tool block is connected with the lower tool block through the connecting screw holes and the second bolts.

As a preferred embodiment, the shape of the second fixture block is consistent with the shape of the second clamping groove, and the size of the second fixture block is consistent with the size of the second clamping groove.

In a preferred embodiment, the sum of the width of the third latch and the width of the first latch is the same as the width of the first slot.

As a preferred embodiment, a connecting thread groove is formed in the left side surface of the fixture block iii, three connecting thread holes are formed in the outer ring surface of the lower tool holder, and the connecting thread holes penetrate through the first clamping groove.

As a preferred embodiment, the connecting threaded hole is formed in the front side surface of the fixture block III, and the fixture block III, the fixture block I and the clamping groove I are connected through the bolt I.

In a preferred embodiment, the material of the blade is tungsten steel cemented carbide.

After the technical scheme is adopted, the utility model has the beneficial effects that: through the cutting edge who sets up, can carry out the coping to the electrode point, the figuring piece that the coping produced can be through the row's cinder notch ejection of compact, avoids clearing up the clastic problem of coping, improves coping efficiency, and the three blade of setting can freely be changed, prevents to need to change the blade again after the blade fracture in the middle of the finishing process, improves coping efficiency, and can change single blade in the later stage, practices thrift the cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a structure of a cutting tool insert for dressing an electrode tip according to the present invention.

Fig. 2 is a side view of an insert for a cutting tool for dressing an electrode tip in accordance with the present invention.

Fig. 3 is a top view of a lower tool holder of a cutting tool for dressing an electrode tip according to the present invention.

Fig. 4 is a schematic view of an upper tool holder of a cutting tool for dressing an electrode tip according to the present invention.

FIG. 5 is a cross-sectional schematic view of a cutting tool for dressing an electrode tip according to the present invention.

In the figure, 1-blade, 2-fixture I, 3-slag discharge groove, 4-cutting blade, 5-fixture II, 6-connecting thread groove, 7-lower cutter seat, 8-fixture I, 9-connecting screw hole, 10-connecting block, 11-fixture II, 12-upper cutter seat, 13-fixture III and 14-bolt I.

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 to 5, the present invention provides a technical solution: the utility model provides a cutting tool for repairing pointed end of electrode, including blade 1, lower tool seat 7, go up tool seat 12 and connecting block 10, blade 1 is provided with threely, 1 left side upper end of surface of blade is fixed with fixture block two 5, 1 right side upper end of surface of blade is fixed with fixture block one 2, 1 left side surface of blade is provided with cutting edge 4, cutting edge 4 right-hand member face is provided with slag groove 3, three evenly distributed's draw-in groove one 8 is seted up to lower tool seat 7 upper end surface, connecting block 10 welding is in the lower cutter, draw-in groove two 11 has been seted up to connecting block 10 inboard surface, three blade 1 passes through fixture block one 2, fixture block two 5, draw-in groove one 8 and draw-in groove two 11 are installed between lower tool seat 7 and connecting block 10, the lower extreme surface of going up tool seat 12 is provided with three fixture blocks 13 of three evenly distributed, it installs in lower tool seat 7 upper end to go up tool seat 12.

A plurality of connection screw holes 9 that equidistant setting seted up on last cutter seat 12 upper end surface, a plurality of equidistant connection screw holes 9 that set up on 7 upper end surfaces of lower cutter seat, go up and be connected through connection screw hole 9 and bolt two between cutter seat 12 and the lower cutter seat 7, be convenient for be connected last cutter seat 12 and lower cutter seat 7.

The shape of the second clamping block 5 is consistent with that of the second clamping groove 11, and the size of the second clamping block 5 is consistent with that of the second clamping groove 11, so that the second clamping block 5 is conveniently matched and connected with the second clamping groove 11.

The sum of the width of the fixture block III 13 and the width of the fixture block I2 is consistent with the width of the clamping groove I8, so that the fixture block III 13 and the fixture block I2 can be conveniently clamped into the clamping groove I8.

The connecting thread groove 6 is formed in the left side surface of the fixture block III 13, the three connecting thread holes are formed in the surface of the outer ring of the lower cutter seat, and the connecting thread holes penetrate through the first clamping groove 8, so that the first fixture block 2 and the fixture block III 13 can be conveniently connected.

The connecting threaded hole is formed in the front side surface of the fixture block III 13, and the fixture block III 13, the fixture block I2 and the clamping groove I8 are connected through the bolt I14, so that the fixture block I2 and the fixture block III 13 can be conveniently connected.

The blade 1 is made of tungsten steel hard alloy, has a series of excellent performances of high hardness, wear resistance, good strength and toughness, high temperature resistance and the like, and can be basically normally used even at the high temperature of 500 ℃.

As an embodiment of the present invention: when the tool is used in practice, the tip of the electrode can be polished through the arranged cutting blade 4, polishing chips generated by polishing can be discharged through the slag discharge groove 3, the problem of cleaning the polishing chips is avoided, the polishing efficiency is improved, when the blade 1 is installed, the fixture blocks I2 and II 5 on the three blades 1 are firstly clamped into the fixture grooves I8 and II 11, then the three fixture blocks III 13 of the upper tool seat 12 are clamped into a gap between the fixture blocks I2 and I8, then the bolts I14 are screwed into the connecting threaded holes and the connecting threaded grooves 6, then the bolts II are screwed into the connecting threaded holes 9, the upper tool seat 12 and the lower tool seat 7 are axially fixed, the connecting effect is good, the arranged three blades 1 can be freely switched, the blade 1 is prevented from being replaced again after the blade 1 is broken in the polishing process, the grinding efficiency is improved, the single blade 1 can be replaced at the later stage, and the cost is saved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A cutting tool for dressing electrode tips, comprising an insert (1), a lower tool holder (7), an upper tool holder (12) and a connecting block (10), characterized in that: the cutting insert is characterized in that the number of the blades (1) is three, a second clamping block (5) is fixed at the upper end of the left side surface of each blade (1), a first clamping block (2) is fixed at the upper end of the right side of each blade (1), a cutting edge (4) is arranged on the left side surface of each blade (1), a slag discharge groove (3) is formed in the right end face of each cutting edge (4), three clamping grooves (8) which are uniformly distributed are formed in the upper end surface of a lower tool holder (7), a connecting block (10) is welded in the lower tool holder (7), a second clamping groove (11) is formed in the inner side surface of the connecting block (10), the three blades (1) are arranged between the lower tool holder (7) and the connecting block (10) through the first clamping block (2), the second clamping block (5), the first clamping groove (8) and the second clamping groove (11), a third clamping block (13) which is uniformly distributed is arranged on the lower end surface of the upper tool holder (12), the upper cutter seat (12) is arranged at the upper end of the lower cutter seat (7).

2. A cutting tool for dressing an electrode tip as defined in claim 1, wherein: the upper end surface of the upper cutter seat (12) is provided with a plurality of connection screw holes (9) which are arranged at equal intervals, the upper end surface of the lower cutter seat (7) is provided with a plurality of connection screw holes (9) which are arranged at equal intervals, and the upper cutter seat (12) is connected with the lower cutter seat (7) through the connection screw holes (9) and a bolt II.

3. A cutting tool for dressing an electrode tip as defined in claim 1, wherein: the shape and the size of the second clamping block (5) are consistent with those of the second clamping groove (11).

4. A cutting tool for dressing an electrode tip as defined in claim 1, wherein: the width of the first clamping groove (8) is equal to the sum of the width of the third clamping block (13) and the width of the first clamping block (2).

5. A cutting tool for dressing an electrode tip as defined in claim 1, wherein: the left side surface of the fixture block III (13) is provided with a connecting thread groove (6), the outer ring surface of the lower cutter seat (7) is provided with three connecting thread holes, and the connecting thread holes penetrate through the first clamping groove (8).

6. A cutting tool for dressing an electrode tip as defined in claim 1, wherein: the front side surface of the fixture block III (13) is provided with a connecting threaded hole, and the fixture block III (13), the fixture block I (2) and the clamping groove I (8) are connected through a bolt I (14).

7. A cutting tool for dressing an electrode tip as defined in claim 1, wherein: the blade (1) is made of tungsten steel hard alloy.