CN218964162U

CN218964162U - Combined alloy boring cutter for milling

Info

Publication number: CN218964162U
Application number: CN202222903037.8U
Authority: CN
Inventors: 恽宇; 李美; 顾亚光
Original assignee: Changzhou Landinger Tools Co ltd
Current assignee: Changzhou Landinger Tools Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-05-05
Anticipated expiration: 2032-11-02

Abstract

The utility model discloses a combined alloy boring cutter for milling, which comprises a cutter bar, a connecting component and a blade component. The beneficial effects of the utility model are as follows: according to the utility model, the connecting assembly is arranged, the cutter body is inserted into the positioning groove through the positioning column during assembly, then the relative position between the first connecting ring and the second connecting ring is adjusted, so that the threaded holes arranged on the surfaces of the first connecting ring and the second connecting ring are aligned, then the first connecting ring and the second connecting ring are fixed through the first fastening bolt, further the connection between the cutter bar and the cutter body is completed, the later replacement is facilitated when the cutter blade is seriously worn through the arrangement of the cutter blade assembly, the whole replacement of the cutter is avoided, and the use cost is reduced.

Description

Combined alloy boring cutter for milling

Technical Field

The utility model relates to a boring cutter, in particular to a combined alloy boring cutter for milling, and belongs to the technical field of milling cutters.

Background

The boring cutter is a hole processing cutter, is generally round in handle, is also commonly used for a large workpiece, is generally seen in a vertical lathe, and is most commonly used for machining an inner hole, reaming, profiling and the like, but is not only capable of machining the inner hole, but also capable of machining an outer circle of an end face, and is widely applied to the field of mechanical machining.

However, when some boring cutters are used, the following defects often exist:

1) When the existing boring cutters are used, the cutter bars and the cutter bodies are generally fixedly connected, and when the boring cutters are processed aiming at deeper holes, the cutter bars cannot be replaced, so that the boring cutters are required to be replaced, and the operation is troublesome;

2) When the existing boring cutters are used, the blades are worn due to the fact that the blades are in friction contact with a workpiece for a long time, milling precision is affected, the existing boring cutters cannot be replaced in a targeted mode, and the use cost is increased due to the fact that the boring cutters are replaced integrally.

Disclosure of Invention

The utility model aims to solve at least one technical problem and provide a combined type alloy boring cutter for milling.

The utility model realizes the above purpose through the following technical scheme: a milling combined alloy boring cutter comprises

The cutter bar is arranged on the upper side of the boring cutter, the upper end of the cutter bar is fixedly connected with the mounting head, and the lower end of the cutter bar is provided with a cutter body;

the connecting assembly is used for assembling the cutter bar and the cutter body, is arranged between the cutter bar and the cutter body, and comprises a first connecting ring fixedly connected to the bottom end of the cutter bar and a second connecting ring fixedly connected to the upper end of the cutter body, and the first connecting ring is connected with the second connecting ring through a first fastening bolt;

the blade subassembly, it is used for milling the work piece, and it sets up in the bottom of cutter body, and it includes the erection column of fixed connection in cutter body bottom central point department and symmetrical fixed connection at the blade holder on erection column surface, and the sword groove has all been seted up to the equal symmetry in surface of every blade holder, has the blade through hexagon socket head cap screw fixed mounting in every sword inslot.

As still further aspects of the utility model: a plurality of chip flutes which are uniformly distributed are arranged on the surface of the cutter body.

As still further aspects of the utility model: the center position of the top end of the cutter bar is fixedly connected with a positioning column, and the center position of the bottom end of the cutter bar is provided with a positioning groove matched with the positioning column.

As still further aspects of the utility model: three threaded holes II which are matched with the inner hexagon bolts are formed in the surface of the blade in a penetrating mode, and the three threaded holes II are arranged in a triangular mode.

As still further aspects of the utility model: the rod, the cutter body and the cutter blade are all made of alloy materials.

The beneficial effects of the utility model are as follows:

1) According to the cutter body and the cutter body, the connecting assembly is arranged, the cutter body is inserted into the positioning groove through the positioning column during assembly, then the relative position between the first connecting ring and the second connecting ring is adjusted, the threaded holes formed in the surfaces of the first connecting ring and the second connecting ring are aligned, then the first connecting ring and the second connecting ring are fixed through the first fastening bolt, and further connection between the cutter bar and the cutter body is completed, so that later replacement is facilitated;

2) The blade assembly is arranged, so that the blade assembly can be conveniently replaced when the blade is seriously worn in the later period, the whole replacement of the cutter is avoided, and the use cost is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a split structure of a cutter bar and a cutter body according to the present utility model;

FIG. 3 is a schematic view of a connection structure of a cutter body and a positioning column in the present utility model;

FIG. 4 is a schematic view of the insert and holder of the present utility model in a disassembled configuration;

FIG. 5 is a schematic view of a first connection structure of a tool bar and a connecting ring according to the present utility model.

In the figure: 1. the tool comprises a tool bar, 2, a mounting head, 3, a connecting component, 31, a first connecting ring, 32, a second connecting ring, 33, a first fastening bolt, 34, a positioning column, 35, a positioning groove, 4, a tool body, 5, a chip flute, 6, a blade component, 61, a mounting column, 62, a tool apron, 63, a tool flute, 64, a blade, 65, an inner hexagon bolt, 66 and a second threaded hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 to 5, a combined type alloy boring cutter for milling comprises

The cutter bar 1 is arranged on the upper side of the boring cutter, the upper end of the cutter bar is fixedly connected with the mounting head 2, and the lower end of the cutter bar is provided with the cutter body 4;

the connecting component 3 is used for assembling the cutter bar 1 and the cutter body 4, is arranged between the cutter bar 1 and the cutter body 4, and comprises a first connecting ring 31 fixedly connected to the bottom end of the cutter bar 1 and a second connecting ring 32 fixedly connected to the upper end of the cutter body 4, wherein the first connecting ring 31 and the second connecting ring 32 are connected through a first fastening bolt 33;

the blade subassembly 6, it is used for milling the work piece, and it sets up in the bottom of cutter body 4, and it includes the erection column 61 of fixed connection in cutter body 4 bottom central point department and symmetrical fixed connection at the blade holder 62 on erection column 61 surface, and the sword groove 63 has all been seted up to the surface of every blade holder 62 symmetry, all has blade 64 through hexagon socket head cap screw 65 fixed mounting in every sword groove 63.

Example two

As shown in fig. 1 to 5, this embodiment includes, in addition to all the technical features of the first embodiment, the following steps:

the surface of cutter body 4 has seted up a plurality of evenly distributed's chip flute 5, conveniently holds the clearance to milling the sweeps that produces when milling, avoids the sweeps to pile up on the work piece surface, influences work piece processingquality.

Example III

the center position of the top end of the cutter body 4 is fixedly connected with a positioning column 34, the center position of the bottom end of the cutter bar 1 is provided with a positioning groove 35 matched with the positioning column 34, when the cutter body 4 is assembled, the cutter body is inserted into the positioning groove 35 through the positioning column 34, then the relative position between the first connecting ring 31 and the second connecting ring 32 is adjusted, the threaded holes formed in the surfaces of the first connecting ring 31 and the second connecting ring 32 are aligned, then the first connecting ring 31 and the second connecting ring 32 are fixed through a first fastening bolt 33, and then the cutter bar 1 and the cutter body 4 are connected, so that later replacement is facilitated.

Example IV

three threaded holes 66 matched with the inner hexagon bolts 65 are formed in the surface of the sheet 64 in a penetrating mode, the three threaded holes 66 are arranged in a triangular mode, the firmness of connection between the blade 64 and the tool apron 62 can be improved, and the cutter blade 64 can be replaced conveniently in the later period when the abrasion of the blade 64 is serious.

The cutter bar 1, the cutter body 4 and the cutter blade 64 are all made of alloy materials, so that the self hardness of the boring cutter can be improved, and the service life of the boring cutter can be prolonged.

Working principle: when the combined alloy boring cutter for milling is used, firstly, the cutter bar 1 and the cutter body 4 are assembled, during the assembly, the cutter body 4 is inserted into the positioning groove 35 through the positioning column 34, then the relative positions between the first connecting ring 31 and the second connecting ring 32 are adjusted, so that the threaded holes arranged on the surfaces of the first connecting ring 31 and the second connecting ring 32 are aligned, then the first connecting ring 31 and the second connecting ring 32 are fixed through the first fastening bolt 33, further the cutter bar 1 and the cutter body 4 are connected, the later replacement is facilitated, then the cutter blade 64 is connected with the cutter seat 62 through the inner hexagon bolt 65, then the boring cutter is fixed at the connecting position of the mounting head 2 and the machine tool, the hole can be machined, during the use, when the cutter blade 64 is severely worn, the cutter blade 64 can be detached from the cutter seat 62, the whole replacement cutter is avoided, the use cost is reduced, and when the deeper hole is required to be machined, the cutter bar 1 with the corresponding length can be detached.

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 utility model may be embodied in other specific forms without departing from the spirit or essential characteristics 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A milling combined alloy boring cutter is characterized by comprising

The cutter bar (1) is arranged on the upper side of the boring cutter, the upper end of the cutter bar is fixedly connected with the mounting head (2), and the lower end of the cutter bar is provided with the cutter body (4);

the connecting assembly (3) is used for assembling the cutter bar (1) and the cutter body (4), is arranged between the cutter bar (1) and the cutter body (4), and comprises a first connecting ring (31) fixedly connected to the bottom end of the cutter bar (1) and a second connecting ring (32) fixedly connected to the upper end of the cutter body (4), wherein the first connecting ring (31) and the second connecting ring (32) are connected through a first fastening bolt (33);

blade subassembly (6), it is used for milling the work piece, and it sets up the bottom of cutter body (4), and it includes fixed connection cutter holder (62) that installation post (61) and symmetry fixed connection of cutter body (4) bottom central point put department are in cutter holder (61) surface, every cutter groove (63) have all been seted up to the surface symmetry of cutter holder (62), every all have blade (64) through hexagon socket head cap screw (65) fixed mounting in cutter groove (63).

2. The combined type alloy boring cutter for milling according to claim 1, wherein: a plurality of chip flutes (5) which are uniformly distributed are formed on the surface of the cutter body (4).

3. The combined type alloy boring cutter for milling according to claim 1, wherein: the cutter body (4) is fixedly connected with a positioning column (34) at the top center position, and a positioning groove (35) matched with the positioning column (34) is formed in the bottom center position of the cutter bar (1).

4. The combined type alloy boring cutter for milling according to claim 1, wherein: three threaded holes II (66) matched with the inner hexagon bolts (65) are formed in the surface of the blade (64) in a penetrating mode, and the three threaded holes II (66) are arranged in a triangular mode.

5. The combined type alloy boring cutter for milling according to claim 1, wherein: the cutter bar (1), the cutter body (4) and the cutter blade (64) are all made of alloy materials.