CN217252890U

CN217252890U - Multi-size combined cutting boring cutter

Info

Publication number: CN217252890U
Application number: CN202123114099.2U
Authority: CN
Inventors: 秦文清; 秦文龙; 言丽萍
Original assignee: Changzhou Maohong Tools Co ltd
Current assignee: Changzhou Maohong Tools Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-08-23
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a many sizes combination formula cutting boring cutter, including cutter arbor, tool bit one, tool bit two and cutting edge. The utility model has the advantages that: the surfaces of the first cutter head and the second cutter head are provided with chip grooves, the lower end of the second cutter head is provided with a chip groove, the chip grooves formed in the surface of the second cutter head are communicated with the chip grooves, milled waste chips are conveniently collected in a centralized mode and are discharged out of a hole through the chip grooves, the cutting edges are connected with the first cutter head and the second cutter head through fastening screws, the cutting edges can be replaced when the cutting edges are seriously abraded or damaged, and the use cost is saved; through setting up two first tool bits and the second tool bit that do not lead to the diameter, be convenient for process the shoulder hole, avoid the trouble that frequent change cutter brought, improve and mill efficiency, be connected through the thread groove of fastening screw and different positions moreover to change the extension length of connecting rod, and then change the distance between first tool bit and the second tool bit, in order to satisfy the actual demand of milling to the shoulder hole.

Description

Multi-size combined cutting boring cutter

Technical Field

The utility model relates to a cutting boring cutter specifically is a many sizes combination formula cutting boring cutter, belongs to milling cutter technical field.

Background

The boring cutter is one of hole machining cutters, is generally a round handle, and is also commonly used in a vertical lathe for a square cutter rod of a larger workpiece, wherein the most common occasions are inner hole machining, hole expanding, profiling and the like. But not only inner holes can be machined, but also the excircle of the end face can be machined.

However, the existing cutting and boring tool has some problems when in use:

1) most of the existing cutting boring cutters are only provided with one cutter head, when a stepped hole is milled, a plurality of boring cutters with different diameters are often used for milling, the use is troublesome, and the installation heads are abraded due to frequent disassembly and assembly of the milling cutters, so that the later installation is not firm;

2) the existing cutting milling cutter can generate a large amount of waste chips during milling, the waste chips are accumulated on the surface of a workpiece to influence the milling precision, and the cutting edge of the existing boring cutter is integrated with the cutter head and cannot be replaced when worn, so that the use cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a many sizes combination formula cutting boring cutter in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: comprises that

The lower end of the cutter bar is fixedly provided with a connector, and the boring cutter is conveniently connected with a machine tool through the connector;

the first cutter head is fixedly arranged at the lower end of the cutter bar, and a connecting rod is fixedly welded at the center of the lower end of the first cutter head;

the second cutter head is fixedly arranged on the lower side of the first cutter head, and a cutter sleeve is fixedly arranged at the upper end of the second cutter head;

and the cutting edges are fixedly connected in the cutting edge mounting grooves formed in the first cutter head and the second cutter head.

As a further aspect of the present invention: the cutter arbor is located the pole body of connector and is provided with the portion of gripping, and the surface of the portion of gripping is provided with anti-skidding line.

As the utility model discloses further scheme again: the surfaces of the first tool bit and the second tool bit are provided with chip grooves, the lower end of the second tool bit is provided with chip grooves, and the chip grooves formed in the surfaces of the second tool bit are communicated with the chip grooves.

As a further aspect of the present invention: the cutting edge is set to be triangular, a threaded hole is formed in the cutting edge body, a fastening screw is arranged in the threaded hole, and the cutting edge is connected with cutting edge mounting grooves formed in the first cutter head and the second cutter head through the fastening screw.

As a further aspect of the present invention: the utility model discloses a knife sleeve, including connecting rod, knife sleeve, mounting groove, connecting rod, threaded groove, fastening screw, the inside of knife sleeve is provided with the mounting groove, the inside slip of mounting groove is provided with the connecting rod, it is provided with the thread groove of a plurality of co-altitude not to run through on the pole body of connecting rod, and the thread groove fit is provided with fastening screw, fix through fastening screw between connecting rod and the knife sleeve.

As the utility model discloses further scheme again: the cutter bar, the cutter sleeve, the first cutter head and the second cutter head are all made of hard alloy materials.

The utility model has the advantages that:

1) in the utility model, the chip grooves are arranged on the surfaces of the first cutter head and the second cutter head, the chip grooves are arranged at the lower end of the second cutter head, the chip grooves arranged on the surface of the second cutter head are communicated with the chip grooves, so that the milled waste chips are conveniently collected in a centralized way, and the influence on the hole processing is avoided through the chip groove discharge hole, and the cutting edges are connected with the cutting edge mounting grooves arranged on the first cutter head and the second cutter head through fastening screws, so that the cutting edges can be replaced when being seriously worn or damaged, and the use cost is saved;

2) the utility model discloses a set up two not through the diameter the tool bit one and the tool bit two, be convenient for process the shoulder hole, avoid frequently changing the trouble that the cutter brought, improve and mill efficiency, be connected with the thread groove of different positions through fastening screw moreover to change the extension length of connecting rod, and then change the distance between tool bit one and the tool bit two, in order to satisfy the actual demand of milling to the shoulder hole.

Drawings

FIG. 1 is a schematic view of the cutting and boring tool of the present invention;

FIG. 2 is a schematic view of the connecting structure of the cutting and boring tool of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. the tool comprises a tool bar, 2, a connector, 3, a connector, 4, anti-skidding threads, 5, a first tool bit, 6, a cutting edge, 7, a chip groove, 8, a fastening screw, 9, a fastening screw, 10, a tool sleeve, 11, a second tool bit, 12, a threaded hole, 13, a connecting rod, 14, a threaded groove, 15, a mounting groove, 16, chip grooves and 17 and a cutting edge mounting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to FIGS. 1 to 3, a multi-size combined cutting and boring tool includes

The lower end of the cutter bar 1 is fixedly provided with a connector 3, and the boring cutter is conveniently connected with a machine tool by arranging the connector 3;

the cutter head I5 is fixedly arranged at the lower end of the cutter bar 1, and a connecting rod 13 is fixedly welded at the center of the lower end of the cutter head I;

the second cutter head 11 is fixedly arranged at the lower side of the first cutter head 5, and the upper end of the second cutter head is fixedly provided with a cutter sleeve 10;

and the cutting edge 6 is fixedly connected in the cutting edge mounting grooves 17 arranged on the first cutter head 5 and the second cutter head 11.

The embodiment of the utility model provides an in, cutter arbor 1 is located the pole body of connector 3 and is provided with the portion of gripping 2, and the surface of the portion of gripping 2 is provided with anti-skidding line 4, and convenient to use person takes, avoids the landing, causes the damage.

The embodiment of the utility model provides an in, the surface of first tool bit 5 and tool bit two 11 all is provided with chip groove 7, and the lower extreme of tool bit two 11 is provided with chip groove 16, chip groove 7 that the surface of tool bit two 11 set up is linked together with chip groove 16, is convenient for concentrate the collection to the sweeps that mill to outside through chip groove 7 discharge holes, avoid causing the influence to the hole processing.

The embodiment of the utility model provides an in, cutting edge 6 sets to three horn shapes, and is provided with screw hole 12 on its blade body, screw hole 12 internal thread is provided with fastening screw 8, and cutting edge 6 is connected with the cutting edge mounting groove 17 that sets up on tool bit one 5 and the tool bit two 11 respectively through fastening screw 8, is convenient for change convenient to use to it when cutting edge 6 wearing and tearing are serious or damage.

Example two

The embodiment of the utility model provides an in, the inside of broach shell 10 is provided with mounting groove 15, the inside of mounting groove 15 slides and is provided with connecting rod 13, run through threaded groove 14 that is provided with a plurality of co-altitude not on the pole body of connecting rod 13, and threaded groove 14 fit in is provided with fastening screw 9, fix through fastening screw 9 between connecting rod 13 and the broach shell 10, be convenient for be connected through fastening screw 9 and the threaded groove 14 of different positions to change the extension length of connecting rod 13, and then change the distance between tool bit one 5 and the tool bit two 11, in order to satisfy the actual demand of milling.

The embodiment of the utility model provides an in, cutter arbor 1, broach shell 10, tool bit one 5 and tool bit two 11 all adopt carbide material to make, are convenient for improve its hardness, and then improve its life.

The working principle is as follows: when the cutting and boring tool is used, firstly, the distance between the first tool bit 5 and the second tool bit 11 is adjusted according to the distance between a hole and a hole in an actual stepped hole, the fastening screw 9 is connected with thread grooves 14 at different positions, so that the extending length of the connecting rod 13 is changed, the distance between the first tool bit 5 and the second tool bit 11 is further changed, then, the boring tool is connected with a machine tool through the connector 3, in the milling process, generated scraps are collected through the scrap grooves 16, further, the scrap grooves 7 formed in the surfaces of the first tool bit 5 and the second tool bit 11 are cleaned, the influence on hole machining caused by accumulation in the hole is avoided, when the cutting edges 6 are seriously worn or damaged, the fastening screws 8 are loosened to replace new cutting edges 6, the whole tool does not need to be replaced, the use cost is saved, and the tool bar 1, the tool sleeve 10, the first tool bit 5 and the second tool bit 11 are all made of hard alloy materials, the hardness of the alloy is convenient to improve, and the service life of the alloy is further prolonged.

It will be evident to those skilled in the art that the invention 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 invention 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. A multi-size combined cutting boring cutter is characterized by comprising

The lower end of the cutter bar (1) is fixedly provided with a connector (3), and the boring cutter is conveniently connected with a machine tool by arranging the connector (3);

the cutter head I (5) is fixedly arranged at the lower end of the cutter bar (1), and a connecting rod (13) is fixedly welded at the center of the lower end of the cutter head I;

the second cutter head (11) is fixedly arranged on the lower side of the first cutter head (5), and a cutter sleeve (10) is fixedly arranged on the upper end of the second cutter head;

and the cutting edge (6) is fixedly connected into cutting edge mounting grooves (17) formed in the first cutter head (5) and the second cutter head (11).

2. The multi-size combined cutting and boring tool as set forth in claim 1, wherein: the cutter bar (1) is positioned on the rod body of the connector (3) and is provided with a holding part (2), and the surface of the holding part (2) is provided with anti-skid grains (4).

3. The multi-size combined cutting and boring tool as set forth in claim 1, wherein: the surfaces of the first cutter head (5) and the second cutter head (11) are provided with chip grooves (7), the lower ends of the second cutter head (11) are provided with chip grooves (16), and the chip grooves (7) formed in the surfaces of the second cutter head (11) are communicated with the chip grooves (16).

4. The multi-size combined cutting and boring tool as set forth in claim 1, wherein: the cutting edge (6) is arranged to be triangular, a threaded hole (12) is formed in the cutting edge body, a fastening screw (8) is arranged in the threaded hole (12), and the cutting edge (6) is connected with a cutting edge mounting groove (17) formed in the first cutter head (5) and the second cutter head (11) through the fastening screw (8).

5. The multi-size combined cutting and boring tool as set forth in claim 1, wherein: the utility model discloses a cutter sleeve, including sword cover (10), the inside of sword cover (10) is provided with mounting groove (15), the inside slip of mounting groove (15) is provided with connecting rod (13), run through on the pole body of connecting rod (13) and be provided with screw thread groove (14) of a plurality of co-altitude not, and screw thread groove (14) fit in is provided with fastening screw (9), fix through fastening screw (9) between connecting rod (13) and sword cover (10).

6. The multi-size combined cutting and boring tool as set forth in claim 1, wherein: the cutter bar (1), the cutter sleeve (10), the first cutter head (5) and the second cutter head (11) are all made of hard alloy materials.