CN217370625U

CN217370625U - High-precision anti-drop hard alloy milling cutter

Info

Publication number: CN217370625U
Application number: CN202221350751.2U
Authority: CN
Inventors: 周金泽
Original assignee: Wenling Zhongren Precision Tools Co ltd
Current assignee: Wenling Zhongren Precision Tools Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-06
Anticipated expiration: 2032-05-30

Abstract

The utility model provides a high accuracy anti-drop carbide milling cutter belongs to cutter technical field. The milling cutter solves the problems that the existing milling cutter adopts an integrated structure, when a cutter body is seriously worn and needs to be replaced, the whole cutter needs to be replaced, and the replacement cost is improved. This high accuracy anti-drop carbide milling cutter, including cutter body and blade holder, the cutter body can be dismantled and connect in the blade holder, blade edge groove that confession cutter body tip got into is seted up to blade holder terminal surface axial, circumference array has four constant head tanks on the blade holder terminal surface, have four locating pieces with the constant head tank one-to-one on the periphery wall of cutter body, the wedge has been seted up to the bottom of locating piece, interior edge groove has all been seted up to the position department of corresponding each constant head tank on the blade holder perisporium, interior edge inslot all is equipped with the cushion that is used for finely tuning corresponding locating piece height, the oblique edge that matches with the wedge is seted up at the cushion top. The utility model has the advantages of the cutter body can be dismantled and change, and cutter body installation accuracy is high, the location is effectual, the machining precision is high.

Description

High-precision anti-drop hard alloy milling cutter

Technical Field

The utility model belongs to the technical field of the cutter, a milling cutter is related to, in particular to high accuracy anti-drop carbide milling cutter.

Background

A milling cutter is a rotary cutter used for milling. At present, the milling cutter body and the cutter holder are of an integrated structure, when the cutter body is worn seriously and needs to be replaced, the whole milling cutter needs to be replaced, the replacement cost is undoubtedly improved, and the processing and production process is influenced.

Disclosure of Invention

The utility model aims at providing an adopt high accuracy anti-drop carbide milling cutter of split type cutter to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a high accuracy anti-drop carbide milling cutter, includes cutter body and blade holder, its characterized in that, the cutter body can dismantle and connect in the blade holder, blade holder terminal surface axial set up the edge of a knife groove that supplies tip entering under the cutter body, the blade holder terminal surface on the circumference array have four constant head tanks, four locating pieces with the constant head tank one-to-one have on the periphery wall of cutter body, the bottom of locating piece seted up the wedge, the blade holder periphery wall on the position department of corresponding each constant head tank all seted up interior along the groove, interior edge inslot all be equipped with the cushion that is used for finely tuning corresponding locating piece height, the cushion top set up the oblique edge face that matches with the wedge, the cushion pass through adjusting screw and link to each other with the blade holder, cutter body bottom and blade holder between be equipped with a plurality of adjusting part.

In the above-mentioned high accuracy anti-drop carbide milling cutter, the locating piece pass through the set screw and install on the blade holder.

In foretell high accuracy anti-drop carbide milling cutter, adjusting part constitute by fixing base and the spring that sets up between fixing base and cutter body bottom, the fixing base on have the spacing ring of radial evagination, spring one end butt on the spacing ring, the other end supports and leans on in cutter body bottom.

In the above high-precision anti-drop hard alloy milling cutter, the fixing seat is in a frustum shape.

Compared with the prior art, the high-precision anti-drop hard alloy milling cutter has the advantages that the cutter body can be disassembled and replaced, and the cutter body is high in installation precision, good in positioning effect and high in machining precision.

Drawings

Fig. 1 is a schematic perspective view of the high-precision anti-drop cemented carbide milling cutter.

Fig. 2 is a schematic sectional structure view of the high-precision anti-drop cemented carbide milling cutter.

Fig. 3 is a perspective view of the tool holder.

In the figure, 1, a cutter body; 2. a tool apron; 3. a knife edge groove; 4. positioning a groove; 5. positioning blocks; 6. a wedge-shaped surface; 7. an inner edge groove; 8. cushion blocks; 9. a fixed seat; 10. a spring; 11. a limiting ring; 12. and (4) a forming table.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 2, fig. 3 shows, this high accuracy anti-drop carbide milling cutter, including cutter body 1 and blade holder 2, cutter body 1 can be dismantled and connect in blade holder 2, blade edge 3 that supplies the tip entering under cutter body 1 is seted up to blade holder 2 terminal surface axial, the circumference array has four constant head tanks 4 on the blade holder 2 terminal surface, four locating pieces 5 with constant head tank 4 one-to-one have on the periphery wall of cutter body 1, wedge 6 has been seted up to the bottom of locating piece 5, interior edge groove 7 has all been seted up to the position department that corresponds each constant head tank 4 on the blade holder 2 periphery wall, all be equipped with the cushion 8 that is used for finely tuning corresponding locating piece 5 height in interior edge groove 7, the inclined edge face that matches with wedge 6 is seted up at cushion 8 top, cushion 8 passes through adjusting screw and links to each other with blade holder 2, be equipped with a plurality of adjusting part between cutter body 1 bottom and the blade holder 2.

In more detail, the positioning block 5 is mounted on the tool holder 2 by a fixing screw to fix the tool body 1.

As shown in fig. 3, a forming table 12 for mounting the positioning block 5 is formed in each positioning groove 4 due to the opening of the inner edge groove 7.

The cutter body 1 enters the cutter holder 2, the positioning block 5 is arranged in the positioning groove 4, the cushion block 8 enters the inner edge groove 7 through the adjusting screw, the mounting precision of the cutter body 1 is slightly adjusted through locking the adjusting screw and matching of the wedge-shaped surface 6 and the inclined edge surface, and the problems of low mounting precision and low processing precision caused by simple contact between the plane of the cutter body 1 and the plane of the cutter holder 2 are avoided.

Preferably, the adjusting component comprises a fixing seat 9 and a spring 10 arranged between the fixing seat 9 and the bottom of the cutter body 1, a radially outward protruding limit ring 11 is arranged on the fixing seat 9, one end of the spring 10 abuts against the limit ring 11, and the other end of the spring abuts against the bottom of the cutter body 1.

In more detail, the fixing seat 9 is in a frustum shape, and after the cutter body 1 is installed, the axial position of the cutter body 1 is elastically positioned through the adjusting assembly, so that the installation precision of the cutter body 1 is improved.

The cutter body 1 is made of hard alloy.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the cutter body 1, the cutter holder 2, the cutter mouth groove 3, the positioning groove 4, the positioning block 5, the wedge surface 6, the inner edge groove 7, the cushion block 8, the fixing seat 9, the spring 10, the limit ring 11, the forming table 12 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a high accuracy anti-drop carbide milling cutter, includes cutter body (1) and blade holder (2), its characterized in that, cutter body (1) can dismantle and connect in blade holder (2), blade holder (2) terminal surface axial seted up the knife edge groove (3) that supplies the tip to get into under cutter body (1), blade holder (2) terminal surface on the circumference array have four constant head tank (4), have four locating piece (5) with constant head tank (4) one-to-one on the periphery wall of cutter body (1), the bottom of locating piece (5) seted up wedge face (6), blade holder (2) periphery wall on correspond each constant head tank (4) position department all seted up interior edge groove (7), interior edge groove (7) in all be equipped with and be used for finely tuning cushion (8) of corresponding locating piece (5) height, cushion (8) top set up the oblique edge face that matches with wedge face (6), the cutter is characterized in that the cushion block (8) is connected with the cutter holder (2) through an adjusting screw, and a plurality of adjusting components are arranged between the bottom of the cutter body (1) and the cutter holder (2).

2. A high precision anti-drop hard alloy milling cutter according to claim 1, characterized in that the positioning block (5) is mounted on the cutter holder (2) by a fixing screw.

3. A high accuracy anti-drop carbide milling cutter according to claim 1, wherein the adjusting component comprises a fixing base (9) and a spring (10) arranged between the fixing base (9) and the bottom of the cutter body (1), the fixing base (9) is provided with a radially outward protruding limit ring (11), one end of the spring (10) abuts against the limit ring (11), and the other end abuts against the bottom of the cutter body (1).

4. A high precision anti-drop hard alloy milling cutter according to claim 3, characterized in that the fixing seat (9) is frustum-shaped.