CN220993585U

CN220993585U - Bit leg palm body bores milling fixture

Info

Publication number: CN220993585U
Application number: CN202322324991.6U
Authority: CN
Inventors: 罗娅赛
Original assignee: Suzhou Selecos Tools Co ltd
Current assignee: Suzhou Selecos Tools Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-05-24
Anticipated expiration: 2033-08-29

Abstract

The utility model discloses a bit leg body drilling and milling clamp which comprises a multi-cell V-shaped clamp arranged on a processing machine tool, wherein a plurality of V-shaped clamping parts for clamping a bit leg are circumferentially arranged on the multi-cell V-shaped clamp based on an axle center. According to the utility model, a plurality of bit legs can be fastened in a circumferential direction symmetrically, drilling and milling in all directions can be realized by matching with the horizontal five-axis turntable to adjust the A axis and the B axis, and rapid circumferential switching of the bit legs is realized.

Description

Bit leg palm body bores milling fixture

Technical Field

The utility model relates to a bit leg machining clamp, in particular to a bit leg drilling and milling clamp.

Background

During the production process of the roller bit, the palm back and two sides of the bit leg need to be drilled and milled. At present, a V-shaped block for fixing a bit leg is arranged on a workbench of a machining center or a bridge plate of a fourth shaft of the machining center, and if the bit leg is locked on the V-shaped block of the workbench of the machining center, the bit leg cannot rotate in an angle in the machining process, so that multi-angle machining cannot be realized; if the leg is mounted on a V-block on the fourth axis, the leg can only be rotated about the fourth axis by an angle, and since the normal direction of the working surface is not all perpendicular to the fourth axis, the working of all holes and planes still cannot be completed at once.

Disclosure of Invention

The utility model aims to: in order to overcome the defects of the background technology, the utility model discloses a bit leg body drilling and milling clamp.

The technical scheme is as follows: the utility model discloses a bit leg body drilling and milling clamp which comprises a multi-cell V-shaped clamp arranged on a processing machine tool, wherein a plurality of V-shaped clamping parts for clamping a bit leg are circumferentially arranged on the multi-cell V-shaped clamp based on an axle center.

Further, the multicell V-shaped clamp is arranged on the horizontal five-axis turntable and is fixedly connected with the flange plate of the transmission end in a coaxial way.

Furthermore, the V-shaped clamping parts are uniformly and symmetrically arranged on the basis of the axial center circumference of the multicellular V-shaped clamp.

Further, the multicellular V-shaped clamp comprises a cylindrical part, a V-shaped block support is fixed in the cylindrical part, a plurality of V-shaped clamping surfaces are formed by branching the V-shaped block support to the inner wall of the cylindrical part, a plurality of V-shaped clamping parts are formed by the V-shaped clamping surfaces and the cylindrical part, and each cylindrical part corresponding to each V-shaped clamping part is provided with a compression screw which fastens the bit leg from outside to inside.

Further, the multicellular V-shaped clamp is coaxially fixed with the flange plate through the connecting disc.

Furthermore, the upper end face of the connecting disc is provided with a step for axially placing the cylindrical part, and the upper end face of the cylindrical part penetrates through the bolt and extends to the connecting disc to achieve fastening.

Furthermore, the V-shaped block brackets are evenly bifurcated to form 3V-shaped clamping faces with 120-degree angles, and can simultaneously clamp and fix 3 tooth legs and are circumferentially symmetrical to each other.

Further, the V-shaped block support is higher than the upper end face of the cylindrical piece and is integrally formed with the cylindrical piece.

The beneficial effects are that: compared with the prior art, the utility model has the advantages that: and a plurality of bit legs are symmetrically fastened in the circumferential direction at the same time, and drilling and milling in all directions can be realized by matching with the horizontal five-axis turntable to adjust the A axis and the B axis, and circumferential rapid switching of the bit legs is realized.

Drawings

FIG. 1 is a perspective view of an uninstalled bit leg of the present utility model;

FIG. 2 is a rear side view of the installed leg of the present utility model;

FIG. 3 is a diagram showing the structure of the connection between the cylinder and the connection pad at I in FIG. 2;

FIG. 4 is a graph showing the effect of bit leg drilling in accordance with the present utility model;

fig. 5 is a graph showing the effect of milling a flat surface with a bit leg according to the present utility model.

Description of the embodiments

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

The bit leg body drilling and milling clamp shown in figures 1-3 comprises a connecting disc 1 arranged on a horizontal five-axis rotary table 4 and fixedly connected through a flange 5. The flange 5 is rotatable about 360 ° about the a axis and about (-90 °) - (90 °) about the B axis.

The connecting disc 1 is provided with a multi-cell V-shaped clamp 2 concentric with the connecting disc (coaxial with the connecting disc A), the multi-cell V-shaped clamp 2 is circumferentially provided with a plurality of V-shaped clamping parts for clamping the bit leg 3 based on the axial center, and in the embodiment, the V-shaped clamping parts are uniformly and symmetrically arranged in the circumferential direction by taking the axial center of the connecting disc 1 as the circle center.

The upper end surface of the connecting disc 1 is provided with a step for axially placing the cylindrical member 201, and the upper end surface of the cylindrical member 201 penetrates through a bolt and extends to the connecting disc 1 to achieve fastening. The multicellular V-shaped clamp 2 comprises a cylindrical member 201, a V-shaped block support 202 is fixed in the cylindrical member 201, 3V-shaped clamping surfaces are formed by branching the V-shaped block support 202 to the inner wall of the cylindrical member 201, each V-shaped clamping surface is 120 degrees, the V-shaped clamping surfaces and the cylindrical member 201 form 3V-shaped clamping parts, and 3 leg pieces 3 can be clamped and fixed at the same time and are circumferentially symmetrical to each other. And a compression screw 203 is arranged on the cylinder piece 201 corresponding to each V-shaped clamping part, and after the bit leg 3 is inserted, the compression screw 203 fastens the bit leg 3 from outside to inside.

Considering that the V-shaped surface of the leg 3 is generally higher than the arc-shaped surface, the V-block holder 202 is higher than the upper end surface of the cylindrical member 201 and is integrally formed with the cylindrical member 201.

The operation is as follows:

1. Putting the bit leg into one of the V-shaped clamping parts, and tightly attaching the V-shaped surface of the bit leg to the V-shaped clamping surface of the V-shaped block bracket;

2. tightening the compression screw to fix the bit leg;

3. sequentially placing another 2 bit legs, and repeating the above operation;

4. Drilling and milling surfaces in all directions are realized by rotating an A shaft and a B shaft of the five-shaft rotary table in the machining process, and machining tooth legs are switched, wherein the drilling and milling surfaces are shown in figures 4 and 5.

Claims

1. The utility model provides a bit leg palm body bores milling fixture which characterized in that: the device comprises a multi-cell V-shaped clamp (2) arranged on a processing machine tool, wherein a plurality of V-shaped clamping parts for clamping a bit leg (3) are circumferentially arranged on the multi-cell V-shaped clamp (2) based on an axle center;

The multicellular V-shaped clamp (2) is arranged on the horizontal five-axis turntable (4) and is fixedly connected with the coaxial center of the flange (5) at the transmission end; the multicellular V-shaped clamp (2) comprises a cylindrical piece (201), a V-shaped block support (202) is fixed in the cylindrical piece (201), a plurality of V-shaped clamping surfaces are formed by branching the V-shaped block support (202) to the inner wall of the cylindrical piece (201), a plurality of V-shaped clamping parts are formed by the V-shaped clamping surfaces and the cylindrical piece (201), and a compression screw (203) is arranged on the cylindrical piece (201) corresponding to each V-shaped clamping part to fasten a bit leg (3) from outside to inside; the multicellular V-shaped clamp (2) is coaxially fixed with the flange plate (5) through the connecting disc (1); the upper end face of the connecting disc (1) is provided with a step for axially placing the cylindrical part (201), and the upper end face of the cylindrical part (201) penetrates through a bolt and extends to the connecting disc (1) to achieve fastening.

2. The bit leg shank milling fixture of claim 1, wherein: the V-shaped clamping parts are uniformly and symmetrically arranged on the basis of the axial center circumference of the multicellular V-shaped clamp (2).

3. The bit leg shank milling fixture of claim 1, wherein: the V-shaped block brackets (202) are evenly bifurcated to form 3V-shaped clamping faces with 120-degree angles, and can simultaneously clamp and fix 3 leg cores (3) and are circumferentially symmetrical to each other.

4. The bit leg shank milling fixture of claim 1, wherein: the V-shaped block support (202) is higher than the upper end face of the cylindrical member (201) and is integrally formed with the cylindrical member (201).