CN219336114U

CN219336114U - Milling cutter for machining chamfer and V-shaped groove

Info

Publication number: CN219336114U
Application number: CN202320306033.3U
Authority: CN
Inventors: 司建省; 付宝东
Original assignee: Changhe Industry Technology Tianjin Co ltd
Current assignee: Changhe Industry Technology Tianjin Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-07-14
Anticipated expiration: 2033-02-24

Abstract

The utility model discloses a milling cutter for machining chamfers and V-shaped grooves, which comprises a connecting rod, a V-shaped chamfer cutter head, a locking gasket and a locking screw, wherein the connecting rod is arranged on the connecting rod; the section of the V-shaped chamfering tool bit cutting edge part is in a front-back symmetrical V shape, the V-shaped chamfering tool bit is sleeved at one end of the connecting rod, and the locking screw penetrates through the anti-loose gasket and fixes the V-shaped chamfering tool bit on the connecting rod. The device can directly process positive and negative chamfer angles by arranging the two cutting edges of the V-shaped chamfer tool bit, thereby reducing the disassembly time of a workpiece, and simultaneously processing V-shaped grooves, thereby realizing the multifunctional application of one milling cutter; the V-shaped chamfering tool bit adopts a multi-tooth design, is stable in cutting, can greatly improve cutting efficiency, and is also provided with a quick-change structure, so that the tool bit can be replaced by disassembling a locking screw without disassembling a connecting rod of a tool from a machine tool, the disassembly and replacement are convenient and quick, the quick-change function is realized, and the tool changing time is saved.

Description

Milling cutter for machining chamfer and V-shaped groove

Technical Field

The utility model relates to the technical field of machining tools, in particular to a milling cutter for machining chamfer angles and V-shaped grooves.

Background

At present, along with the improvement of the mechanical manufacturing performance requirements of parts, the requirements on the machining precision of chamfering holes and ports and milling V-shaped grooves are higher and higher, and standard machining is pursued, so that the chamfering angle and the dimension are unified and standard. Chamfering is an integral part of machining and is related to part assembly and industrial safety. At present, the traditional post-hole machining process adopts a single-edge chamfering tool with an integrated cutting edge and a connecting rod, after a workpiece is machined on the front surface by the single-edge chamfering tool, the workpiece is required to be detached from a machine tool and rotated 180 degrees, and then the workpiece is installed and subjected to reverse surface chamfering, so that the workpiece is subjected to secondary positioning machining, twice clamping and positioning, positioning errors exist, the machining precision is reduced, the machining chamfering efficiency is low, and the time is long; the chamfering tool bit and the tool shank are designed integrally, so that the tool cost is high, the tool shank is required to be removed for replacement during replacement, and the replacement is inconvenient; therefore, there is a need to develop a milling cutter which can not only chamfer and deburr the inlet end and the outlet end of the hole at one time, but also mill a V-shaped groove on the outer wall of the hole, and mill a chamfer and a V-shaped groove of the groove on the side plane.

Disclosure of Invention

The utility model provides a milling cutter for processing chamfer angles and V-shaped grooves, which solves the problems in the prior art. The milling cutter has the advantages of high machining precision, high cutting efficiency, multifunctional application design and convenience and rapidness in assembly.

The utility model is realized by the following technical scheme:

a milling cutter for machining chamfers and V-shaped grooves comprises a connecting rod, a V-shaped chamfer cutter head, a locking gasket and a locking screw; the section of the V-shaped chamfering tool bit cutting edge part is in a front-back symmetrical V shape, the V-shaped chamfering tool bit is sleeved at one end of the connecting rod, and the locking screw penetrates through the anti-loose gasket and fixes the V-shaped chamfering tool bit on the connecting rod.

Further, a stepped shaft is arranged on the connecting rod, and an internal thread is arranged in the stepped shaft; and a connecting key is arranged outside the stepped shaft.

Further, the circumference equipartition of V type chamfer tool bit is equipped with a plurality of groups mutual symmetries and constitutes V-arrangement's first cutting edge and second cutting edge, the centre of V type chamfer tool bit is equipped with the mounting hole, be equipped with the keyway on the mounting hole. The mounting hole is matched with the stepped shaft, and the key groove is matched with the connecting key. The V-shaped chamfering tool bit is made of high-rigidity alloy materials.

Further, the locking screw is an inner hexagon screw. The locking screw is matched with the internal thread, so that quick replacement of the V-shaped chamfering tool bit can be realized.

Compared with the prior art, the utility model has the beneficial effects that:

the device can directly process positive and negative chamfer angles by arranging the two cutting edges of the V-shaped chamfer tool bit, thereby reducing the disassembly time of a workpiece, and simultaneously processing V-shaped grooves, thereby realizing the multifunctional application of one milling cutter; the V-shaped chamfering tool bit adopts a multi-tooth design, the cutting is stable, the cutting efficiency can be greatly improved, and a quick-change structure is designed, so that the tool bit can be replaced by detaching the locking screw without detaching a connecting rod of a tool from a machine tool, the detachment and replacement are convenient and quick, the quick-change function is realized, and the tool changing time is saved; the design of the two sides of the V-shaped chamfering tool bit can also be used for replacing the front side and the back side, and the same tool bit is used for realizing a new tool after replacement, so that the service life of the tool can be doubled if the tool bit is only used for single-sided chamfering; the high-rigidity cutter body can be matched to realize high-cutting parameter processing, and the cutting efficiency is high; the cutter angle can be designed and matched according to actual requirements, so that various chamfering angle processing can be realized; the service life of the cutter is long, and the unit price cost of the cutter is greatly reduced; the tool stock is reduced.

Drawings

FIG. 1 is a schematic view of a milling cutter for machining chamfer and V-shaped groove according to the present utility model;

FIG. 2 is an exploded view of a milling cutter for machining chamfer and V-shaped groove according to the present utility model;

FIG. 3 is a schematic view of the structure of a V-shaped chamfer cutter head;

FIG. 4 is a schematic representation of milling a single-sided chamfer using the milling cutter of the present utility model;

FIG. 5 is a schematic representation of milling V-grooves using the milling cutter of the present utility model;

FIG. 6 is a schematic representation of milling an orifice chamfer using the milling cutter of the present utility model;

FIG. 7 is a schematic representation of a reverse chamfer of a milling hole using the milling cutter of the present utility model.

Reference numerals:

1. a connecting rod; 101. a stepped shaft; 102. an internal thread; 103. a connecting key; 2. v-shaped chamfering tool bit; 201. a first cutting edge; 202. a second cutting edge; 203. a mounting hole; 204. a key slot; 3. a locking gasket; 4. locking a screw; 5. chamfering the workpiece; 6. milling a V-shaped groove workpiece; 7. and (5) chamfering the hole to process the workpiece.

Detailed Description

In order that the technical features of the present utility model may be more clearly understood, a detailed description of the structure of the present utility model is provided below with reference to the accompanying drawings.

As shown in fig. 1, a milling cutter for machining chamfers and V-shaped grooves comprises a connecting rod 1, a V-shaped chamfer cutter head 2, a locking gasket 3 and a locking screw 4; the section of the cutting edge part of the V-shaped chamfering tool bit 2 is in a V shape which is symmetrical from front to back, the V-shaped chamfering tool bit 2 is sleeved at one end of the connecting rod 1, and the locking screw 4 penetrates through the anti-loose gasket 3 and fixes the V-shaped chamfering tool bit 2 on the connecting rod 1.

Further, as shown in fig. 2, the connecting rod 1 is provided with a stepped shaft 101, and an internal thread 102 is provided in the stepped shaft 101; the connecting key 103 is arranged outside the stepped shaft 101.

Further, as shown in fig. 3, the V-shaped chamfer cutter head 2 is uniformly provided with a plurality of groups of first cutting edges 201 and second cutting edges 202 which are symmetrical to each other and form a V shape, a mounting hole 203 is provided in the middle of the V-shaped chamfer cutter head 2, and a key slot 204 is provided on the mounting hole 203. The mounting hole 203 is engaged with the stepped shaft 101, and the key groove 204 is engaged with the connection key 103. The V-shaped chamfering tool bit 2 is made of high-rigidity alloy materials.

Further, as shown in fig. 1, the locking screw 4 is a socket head cap screw. The locking screw 4 is matched with the internal thread 102, so that the V-shaped chamfering tool bit 2 can be quickly replaced.

As shown in fig. 4 to 7, the device can directly process positive and negative chamfer angles by arranging two cutting edges of the V-shaped chamfer tool bit 2, reduce the disassembly time of a workpiece, and simultaneously process V-shaped grooves, thereby realizing the multifunctional application of one milling tool; the V-shaped chamfering tool bit 2 adopts a multi-tooth design, the cutting is stable, the cutting efficiency can be greatly improved, and a quick-change structure is designed, so that the V-shaped chamfering tool bit 2 can be replaced only by disassembling the locking screw 4 without disassembling the connecting rod 1 of the tool from the machine tool, the disassembly and the replacement are convenient and quick, the quick-change function is realized, and the tool changing time is saved; the design of the two sides of the V-shaped chamfering tool bit 2 can also be used for replacing the front side and the back side, and the same tool bit is used for realizing a new tool after replacement, so that the service life of the tool can be doubled if the tool bit is only used for single-sided chamfering; the high-rigidity cutter body can be matched to realize high-cutting parameter processing, and the cutting efficiency is high; the angle of the cutting edge of the V-shaped chamfering tool bit 2 can be designed and matched according to actual requirements, so that various chamfering angles can be processed; the service life of the cutter is long, and the unit price cost of the cutter is greatly reduced; the tool stock is reduced.

The present utility model has been described in detail by way of examples, but the description is merely exemplary of the utility model and should not be construed as limiting the scope of the utility model. The scope of the utility model is defined by the claims. In the technical scheme of the utility model, or under the inspired by the technical scheme of the utility model, similar technical schemes are designed to achieve the technical effects, or equivalent changes and improvements to the application scope are still included in the protection scope of the patent coverage of the utility model.

Claims

1. A milling cutter for processing chamfer, V-arrangement groove, its characterized in that: comprises a connecting rod (1), a V-shaped chamfer tool bit (2), a locking gasket (3) and a locking screw (4); the section of the cutting edge part of the V-shaped chamfering tool bit (2) is in a front-back symmetrical V shape, the V-shaped chamfering tool bit (2) is sleeved at one end of the connecting rod (1), and the locking screw (4) penetrates through the anti-loose gasket (3) and fixes the V-shaped chamfering tool bit (2) on the connecting rod (1).

2. A milling cutter for machining a chamfer, V-groove according to claim 1, characterized in that: a stepped shaft (101) is arranged on the connecting rod (1), and an internal thread (102) is arranged in the stepped shaft (101); a connecting key (103) is arranged outside the stepped shaft (101).

3. A milling cutter for machining a chamfer, V-groove according to claim 1, characterized in that: the V-shaped chamfering tool comprises a V-shaped chamfering tool head (2), and is characterized in that a plurality of groups of first cutting edges (201) and second cutting edges (202) which are symmetrical to each other and form a V shape are uniformly distributed on the circumference of the V-shaped chamfering tool head (2), a mounting hole (203) is formed in the middle of the V-shaped chamfering tool head (2), and a key groove (204) is formed in the mounting hole (203).

4. A milling cutter for machining a chamfer, V-groove according to claim 1, characterized in that: the locking screw (4) is an inner hexagon screw.