CN216028330U

CN216028330U - Milling cutter head for deep hole machining

Info

Publication number: CN216028330U
Application number: CN202122286160.5U
Authority: CN
Inventors: 薛成新; 李锦�
Original assignee: Changzhou Sude Tool Co ltd
Current assignee: Changzhou Sude Tool Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-03-15
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a milling cutter head for deep hole machining, which comprises a cutter body, a cutter bar and a connecting seat. The utility model has the beneficial effects that: four right angle chip grooves have been seted up on the blade disc surface, and the chip groove is central symmetric distribution, increase the chip space, the chip removal of being convenient for, the blade has four, the groove face department that the blade edge was seted up is detachable connection through two cross screws, be convenient for assemble or tear open and trade, the blade adopts the high-speed steel material, improve blade strength, increase milling cutter dish's application scope, the cutter arbor external diameter is less than the cutter disc external diameter, cutter arbor tail end face center department is equipped with square fixture block, and square fixture block is detachable clamping connection through the fastening bolt of two symmetries in the draw-in groove of square cassette, be convenient for assemble cutter arbor and square cassette together steadily, four spacing grooves have been seted up on the blade holder surface, and spacing groove evenly distributed, be convenient for fix a position the clamping of blade holder on the milling machine, and then fix this milling cutter dish.

Description

Milling cutter head for deep hole machining

Technical Field

The utility model relates to a milling cutter disc, in particular to a milling cutter disc for deep hole machining, and belongs to the technical field of machining cutters.

Background

The deep hole machining is a hole with the diameter ratio of the length of the hole to the diameter of the hole larger than 6, the depth-diameter ratio L/d of the general deep hole is more than or equal to 100 under most conditions, such as an oil cylinder hole and an axial oil hole of a shaft, in the holes, the machining precision and the surface quality are higher, the cutting processability of some machined materials is poor, and the deep hole machining is often a big problem in production, so that the deep hole machining is emphasized by a great number of people, more and more people enter the deep hole machining industry, and in the actual machining process, in order to improve the workpiece forming efficiency, a milling cutter disc is often used for performing the deep hole machining process.

The structure of the existing milling cutter head is simple:

1) a chip groove is not formed in a traditional cutter head, so that drilled chips are not easy to discharge, and the deep hole machining progress is influenced;

2) the used blades and the cutter head are usually of an integral structure, and although the integral structure has better stability, the blades are inconvenient to disassemble, replace and maintain at the later stage;

3) the cutter arbor and the connecting seat are fixed through welding, and although the connection is firm, the later stage of being not convenient for is dismantled.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving the above problems and providing a milling cutter head that can be used for deep hole drilling.

The utility model realizes the purpose through the following technical scheme: a milling cutter head for deep hole machining comprises

The cutter body consists of a cutter disc at the top end and blades for drilling a workpiece, and the blades are fixedly arranged on a groove surface formed in the edge of the cutter disc; and

the cutter bar is positioned in the center of the inner surface of the cutter disc and is in an integrated structure with the cutter disc; and

the connecting seat is composed of a square clamping seat used for connecting the cutter bar and a cutter holder clamped on the milling machine, and the square clamping seat is welded and fixed at the center of the inner end face of the cutter holder.

As a still further scheme of the utility model: the cutter head is characterized in that a concave hole is formed in the center of the front end face of the cutter head, four right-angle chip grooves are formed in the surface of the cutter head, and the chip grooves are distributed in a central symmetry mode.

As a still further scheme of the utility model: the number of the blades is four, and the blades are detachably connected at the groove surfaces arranged at the edge of the cutter head through two cross screws.

As a still further scheme of the utility model: the top end of the blade is provided with a convex front edge, the side end of the blade is provided with a convex side edge, and the blade is made of high-speed steel.

As a still further scheme of the utility model: the cutter arbor external diameter is less than the blade disc external diameter, cutter arbor tail end face center department is equipped with square fixture block, and square fixture block is detachable clamping connection through the fastening bolt of two symmetries in the draw-in groove of square cassette.

As a still further scheme of the utility model: four limiting grooves are formed in the surface of the cutter holder and are evenly distributed.

The utility model has the beneficial effects that:

1) four right-angle chip grooves are formed in the surface of the cutter head and are distributed in a centrosymmetric mode, so that chip containing space is increased, and chip removal is facilitated;

2) the four blades are detachably connected at the groove surface arranged at the edge of the cutter head through two cross screws, so that the assembly or the disassembly and the replacement are convenient, the blades are made of high-speed steel, the strength of the blades is improved, and the application range of the milling cutter head is enlarged;

3) the cutter arbor external diameter is less than the blade disc external diameter, and cutter arbor tail end face center department is equipped with square fixture block, and square fixture block is detachable clamping connection through the fastening bolt of two symmetries in the draw-in groove of square cassette, is convenient for stably assemble cutter arbor and square cassette together, and four spacing grooves have been seted up on the blade holder surface, and spacing groove evenly distributed, are convenient for fix a position the clamping with the blade holder on milling machine, and then fixed this milling cutter dish.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front end view of the cutter head of the present invention;

FIG. 3 is a schematic view of a connection structure of a square clamping block and a square clamping seat according to the present invention;

FIG. 4 is a rear end view of the tool holder of the present invention.

In the figure: 1. the cutter comprises a cutter head, 2, a concave hole, 3, a chip groove, 4, a blade, 5, a cross screw, 6, a front edge, 7, a side edge, 8, a cutter rod, 9, a square clamping block, 10, a square clamping seat, 11, a fastening bolt, 12, a cutter seat, 13 and a limiting groove.

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.

Example one

Referring to fig. 1-4, a milling cutter head for deep hole machining includes

The tool body consists of a cutter head 1 at the top end and blades 4 for drilling a workpiece, and the blades 4 are fixedly arranged on a groove surface formed in the edge of the cutter head 1; and

the cutter bar 8 is positioned in the center of the inner surface of the cutter head 1 and is integrated with the cutter head 1; and

the cutter holder comprises a connecting seat, wherein the connecting seat is composed of a square clamping seat 10 used for connecting a cutter bar 8 and a cutter holder 12 clamped on a milling machine, and the square clamping seat 10 is welded and fixed at the center of the inner end face of the cutter holder 12.

In the embodiment of the utility model, the concave hole 2 is arranged at the center of the front end surface of the cutter head 1, four right-angle chip grooves 3 are formed in the surface of the cutter head 1, and the chip grooves 3 are distributed in a centrosymmetric manner, so that the chip containing space is increased, and chip removal is facilitated.

In the embodiment of the utility model, the number of the blades 4 is four, and the blades 4 are detachably connected at the groove surface arranged at the edge of the cutter head 1 through two cross screws 5, so that the assembly or the disassembly and replacement are convenient.

In the embodiment of the utility model, the top end of the blade 4 is provided with a convex front edge 6, the side end of the blade 4 is provided with a convex side edge 7, and the blade 4 is made of high-speed steel, so that the strength of the blade 4 is improved, and the application range of the milling cutter head is enlarged.

Example two

Referring to fig. 1-4, a milling cutter head for deep hole machining includes

In the embodiment of the utility model, the outer diameter of the cutter bar 8 is smaller than the outer diameter of the cutter head 1, the center of the tail end face of the cutter bar 8 is provided with the square clamping block 9, and the square clamping block 9 is detachably clamped and connected in the clamping groove of the square clamping seat 10 through two symmetrical fastening bolts 11, so that the cutter bar 8 and the square clamping seat 10 can be stably assembled together.

In the embodiment of the utility model, four limiting grooves 13 are formed in the surface of the tool apron 12, and the limiting grooves 13 are uniformly distributed, so that the tool apron 12 can be conveniently positioned and clamped on a milling machine, and the milling cutter disc can be further fixed.

The working principle is as follows: when the milling cutter head for deep hole machining is used, firstly, four blades 4 are fixedly arranged at the groove surface arranged at the edge of the cutter head 1 through two cross screws 5 respectively, then a square clamping block 9 at the tail end of a cutter bar 8 is clamped in a clamping groove of a square clamping seat 10 and is fixed through two fastening bolts 11, so that the cutter bar 8 is fixed, finally, a cutter seat 12 is positioned and clamped on a milling machine through four limiting grooves 13 arranged on the surface of the cutter seat, so that the milling cutter head is fixed, when the milling cutter head works, a front edge 6 and a side edge 7 protruding from the outer end of each blade 4 can carry out deep hole machining on a workpiece, four chip containing grooves 3 on the surface of the cutter head 1 can increase chip containing space and facilitate chip removal, meanwhile, the used blades 4 are detachably connected on the cutter head 1 through the cross screws 5, so that the blades 4 can be conveniently detached and maintained in the later period, and the cutter bar 8 and the square clamping seat 10 are connected through the square clamping blocks 9 and the fastening bolts 11, the quick assembly or disassembly of personnel is facilitated.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a can be used to facing cutter dish of BTA which characterized in that: comprises that

The cutter body consists of a cutter disc (1) at the top end and a blade (4) for drilling a workpiece, and the blade (4) is fixedly arranged at a groove surface formed at the edge of the cutter disc (1);

the cutter bar (8) is positioned in the center of the inner surface of the cutter head (1) and is integrated with the cutter head (1);

the connecting seat consists of a square clamping seat (10) used for connecting the cutter bar (8) and a cutter holder (12) clamped on a milling machine, and the square clamping seat (10) is welded and fixed at the center of the inner end face of the cutter holder (12).

2. A milling cutter head useful for deep hole machining according to claim 1, wherein: the cutter head is characterized in that a concave hole (2) is formed in the center of the front end face of the cutter head (1), four right-angle chip grooves (3) are formed in the surface of the cutter head (1), and the chip grooves (3) are distributed in a central symmetry mode.

3. A milling cutter head useful for deep hole machining according to claim 1, wherein: the number of the blades (4) is four, and the blades (4) are detachably connected at the groove surface arranged at the edge of the cutter head (1) through two cross screws (5).

4. A milling cutter head useful for deep hole machining according to claim 1, wherein: the novel blade is characterized in that a convex front edge (6) is arranged at the top end of the blade (4), a convex side edge (7) is arranged at the side end of the blade (4), and the blade (4) is made of high-speed steel.

5. A milling cutter head useful for deep hole machining according to claim 1, wherein: the outer diameter of the cutter bar (8) is smaller than that of the cutter head (1), a square clamping block (9) is arranged at the center of the tail end face of the cutter bar (8), and the square clamping block (9) is detachably clamped and connected in a clamping groove of the square clamping seat (10) through two symmetrical fastening bolts (11).

6. A milling cutter head useful for deep hole machining according to claim 1, wherein: four limiting grooves (13) are formed in the surface of the tool apron (12), and the limiting grooves (13) are evenly distributed.