CN213591772U

CN213591772U - Multi-size combined boring cutter

Info

Publication number: CN213591772U
Application number: CN202022433755.4U
Authority: CN
Inventors: 范才福
Original assignee: Ganzhou Qingyi Precision Machinery Co ltd
Current assignee: Ganzhou Qingyi Precision Machinery Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-02
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a many sizes combination boring cutter relates to many sizes combination boring cutter technical field. The utility model discloses a handle of a knife, the blade holder has been installed to one side of handle of a knife, and first tool bit, third tool bit, fifth tool bit have been installed to the blade holder both sides symmetry in proper order, have installed the second tool bit between the first tool bit of wherein one side and the third tool bit, have installed the fourth tool bit between the third tool bit of wherein one side and the fifth tool bit, and first round hole has all been seted up to handle of a knife, blade holder inside. The utility model discloses an installing of blade holder provides the position for installing of first tool bit, third tool bit, fifth tool bit, makes first tool bit, third tool bit, fifth tool bit process the product simultaneously, has promoted the work efficiency of this boring cutter, has reduced the cost expenditure that the processing led to the fact many times, and installing of elastic tube chuck can press from both sides tightly the blade holder, makes the blade holder rotate the in-process and is difficult for breaking away from the handle of a knife, has promoted the stability in the device use.

Description

Multi-size combined boring cutter

Technical Field

The utility model belongs to the technical field of many sizes combination boring cutter, especially, relate to a many sizes combination boring cutter.

Background

The boring cutter is one of boring cutters, generally a round handle, and also has a larger workpiece square cutter bar, the most common occasions are inner hole processing, hole enlarging, profiling and the like, the boring cutter has one or two cutting parts and is specially used for rough machining, semi-finish machining or finish machining of the existing hole, the boring cutter can be used on a boring machine, a lathe or a milling machine, the double-edge boring cutter has two cutter teeth which are distributed on two sides of the center and cut simultaneously due to different clamping modes, the radial force generated during cutting is balanced mutually, the cutting consumption can be increased, the production efficiency is high, the double-edge boring cutter is divided into a floating boring cutter and a fixed boring cutter according to whether a cutter blade floats on a boring bar or not, the floating boring cutter is suitable for finish machining of the hole and is actually equivalent to a reamer, the hole with high size precision and smooth surface can be bored, but the linearity deviation of the hole can not be corrected, in order to increase the regrinding frequency, the floating boring cutter is often made into an adjustable structure, in order to meet the requirements of various apertures and hole depths and reduce the variety and specification of the boring cutter, a boring bar and a cutter head are designed into serialized basic modules, and when the boring cutter is used, the appropriate modules can be selected according to the requirements of a workpiece to be spliced into various boring cutters, so that the design and the manufacture of the cutter are simplified.

The existing combined boring tool mostly causes low working efficiency and high processing cost because a plurality of sizes can not be processed simultaneously, the precision of processed products is low, the tool apron is easy to fall off, and the using process is unstable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a many sizes combination boring cutter, through installing of blade holder, for first tool bit, the third tool bit, installing of fifth tool bit provides the position, make first tool bit, the third tool bit, the fifth tool bit can be processed the product simultaneously, the work efficiency of this boring cutter has been promoted, the cost expenditure that the processing led to the fact many times has been reduced, first tool bit, the third tool bit, the simultaneous processing of fifth tool bit, first tool bit has been promoted, the third tool bit, the relative position relation of fifth tool bit, the precision of product after having promoted processing, installing of elastic tube chuck, can press from both sides tightly the blade holder, make the blade holder rotate the in-process and be difficult for breaking away from the handle of a knife, the stability in the device use has been promoted, the problem that exists among the above-mentioned prior art has been solved.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the utility model provides a many sizes combination boring cutter, including the handle of a knife, the blade holder has been installed to one side of handle of a knife, the first tool bit has been installed to the blade holder both sides symmetry in proper order, the third tool bit, the fifth tool bit, wherein install the second tool bit between the first tool bit of one side and the third tool bit, wherein install the fourth tool bit between the third tool bit of one side and the fifth tool bit, the handle of a knife, the inside first round hole of all having seted up of blade holder, three groups of second round holes have been seted up to the bilateral symmetry of blade holder, every group second round hole includes two drain holes, the elastic tube chuck has been installed between handle of a knife and the blade holder, and a plurality of sixth notches have been seted up to the week.

Optionally, one end of the cutter handle is of a circular truncated cone-shaped structure, a first notch is formed in the periphery of the cutter handle, a second notch is formed in one side of the cutter handle and is of a circular truncated cone-shaped structure, and two third notches, a fourth notch and a fifth notch are symmetrically formed in one end of the cutter holder.

Optionally, the elastic tube chuck is installed in the second notch, the elastic tube chuck is hollow round platform column structure, the one end of blade holder is installed in the elastic tube chuck, the sixth notch runs through the elastic tube chuck, first tool bit, second tool bit are all installed in the third notch, third tool bit, fourth tool bit are all installed in the fourth notch, the fifth tool bit is installed in the fifth notch.

Optionally, the periphery of the tool apron is provided with a protrusion, one side of the protrusion is attached to one side of the elastic cylinder chuck, the pressing seat is provided with a groove, the protrusion is located in the groove, the tool apron is formed by sequentially splicing three cylinders, and the diameters of the three cylinders are sequentially reduced.

Optionally, a plurality of threaded holes are formed in the peripheral sides of the tool shank and the pressing seat, a gap is reserved between the tool shank and the pressing seat, and the first round hole penetrates through the tool shank and the tool apron.

Optionally, the cross sections of the first tool bit and the third tool bit are of a diamond structure, the cross section of the fifth tool bit is of a triangular structure, the cross sections of the second tool bit and the fourth tool bit are of a circular structure, the liquid guide hole penetrates through the tool apron, the liquid guide hole and the first round hole are formed at a certain angle, one end of the liquid guide hole is communicated with the first round hole, and the other end of the liquid guide hole is located on one side away from the tool shank.

The embodiment of the utility model has the following beneficial effect:

the utility model discloses an embodiment passes through installing of blade holder, for first tool bit, the third tool bit, installing of fifth tool bit provides the position, make first tool bit, the third tool bit, the fifth tool bit can be processed the product simultaneously, the work efficiency of this boring cutter has been promoted, the cost expenditure that the processing led to the fact many times has been reduced, first tool bit, the third tool bit, the simultaneous processing of fifth tool bit, first tool bit has been promoted, the third tool bit, the relative position relation of fifth tool bit, the precision of processing back product has been promoted, installing of elastic tube chuck, can press from both sides tightly the blade holder, make the blade holder rotate the in-process and be difficult for breaking away from the handle of a knife, the stability in the device use has been promoted.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 3 is a schematic side view of an embodiment of the present invention;

fig. 4 is a schematic view of an elastic collet head structure according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

the tool comprises a tool shank 1, a tool apron 2, a first tool bit 3, a third tool bit 4, a fifth tool bit 5, a second tool bit 6, a fourth tool bit 7, an elastic cylinder chuck 8 and a pressing seat 9.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Referring to fig. 1 to 4, in the present embodiment, a multi-size combined boring tool is provided, which includes: handle of a knife 1, blade holder 2 has been installed to one side of handle of a knife 1, blade holder 2 has been installed to 2 bilateral symmetry in proper order of blade holder, first tool bit 3, third tool bit 4, fifth tool bit 5, wherein install second tool bit 6 between the first tool bit 3 of one side and the third tool bit 4, wherein install fourth tool bit 7 between the third tool bit 4 of one side and the fifth tool bit 5, handle of a knife 1, first round hole has all been seted up to blade holder 2 inside, three sets of second round holes have been seted up to the bilateral symmetry of blade holder 2, every set of second round hole includes two drain holes, be equipped with elasticity cartridge chuck 8 between handle of a knife 1 and the blade holder 2, and a plurality of sixth notches have been seted up to the week side equipartition of elasticity cartridge chuck 8, compress tightly.

The application of one aspect of the embodiment is as follows: when the boring cutter is used, firstly, the first cutter head 3, the second cutter head 6, the third cutter head 4, the fourth cutter head 7 and the fifth cutter head 5 are sequentially installed on the cutter holder 2, then the cutter holder 2 is installed in the elastic tube chuck 8, then the elastic tube chuck 8 is installed in the cutter holder 1, then the pressing seat 9 is installed on the cutter holder 1 through a bolt, the cutter holder 2 is pressed through the pressing seat 9, the cutter holder 2 is enabled to enter the elastic tube chuck 8, one end of the elastic tube chuck 8 is contracted, the elastic tube chuck 8 is enabled to clamp the cutter holder 2, the cutter holder 2 is enabled to be difficult to rotate, the cutter holder 2 is enabled to be difficult to separate from the cutter holder 1 through the matching of the bulge and the groove, and finally, the boring cutter is installed on a main shaft of.

Through the installation of the tool apron 2, positions are provided for the installation of the first tool bit 3, the third tool bit 4 and the fifth tool bit 5, so that the first tool bit 3, the third tool bit 4 and the fifth tool bit 5 can simultaneously process products, the working efficiency of the boring tool is improved, the cost expenditure caused by multiple processing is reduced, the first tool bit 3, the third tool bit 4 and the fifth tool bit 5 are simultaneously processed, the relative position relation of the first tool bit 3, the third tool bit 4 and the fifth tool bit 5 is improved, the precision of the processed products is improved, the installation of the elastic cylinder chuck 8 can clamp the tool apron 2, the tool apron 2 is not easy to separate from the tool shank 1 in the rotation process, and the stability of the device in the use process is improved.

The one end of handle of a knife 1 of this embodiment is round platform column structure, and first notch has been seted up to the week side of handle of a knife 1, and the second notch has been seted up to one side of handle of a knife 1, and the second notch is round platform column structure, and two third notches, fourth notch, fifth notch have been seted up to the one end symmetry of blade holder 2, and the installation of the handle of a knife 1 of being convenient for makes the difficult rotation after the installation of handle of a knife 1.

The elastic tube chuck 8 of this embodiment is installed in the second notch, elastic tube chuck 8 is hollow round platform column structure, the one end of blade holder 2 is installed in elastic tube chuck 8, the sixth notch runs through elastic tube chuck 8, first tool bit 3, second tool bit 6 is all installed in the third notch, third tool bit 4, fourth tool bit 7 is all installed in the fourth notch, fifth tool bit 5 is installed in the fifth notch, the setup of sixth notch, the one end that makes elastic tube chuck 8 has certain contractibility, blade holder 2 after making elastic tube chuck 8 can install is difficult not hard up.

The week side of blade holder 2 of this embodiment is equipped with the arch, and bellied one side is laminated mutually with one side of elastic tube chuck 8, compresses tightly and sets up the recess on the seat 9, and the arch is located the recess, and blade holder 2 splices in proper order for three cylinder and constitutes, and three cylinder diameter reduces in proper order, compresses tightly installing of seat 9, can compress tightly blade holder 2.

A plurality of screw holes have all been seted up to the week side of handle of a knife 1 of this embodiment, compressing tightly seat 9, and handle of a knife 1 and compress tightly and leave the clearance between the seat 9, and first round hole runs through handle of a knife 1, blade holder 2, and seting up of first round hole for the leading-in of cutting fluid.

The cross sections of the first tool bit 3 and the third tool bit 4 are of a diamond structure, the cross section of the fifth tool bit 5 is of a triangular structure, the cross sections of the second tool bit 6 and the fourth tool bit 7 are of a circular structure, the liquid guide hole penetrates through the tool apron 2, a certain angle is formed between the liquid guide hole and the first round hole, one end of the liquid guide hole is communicated with the first round hole, the other end of the liquid guide hole is located on one side away from the tool shank 1, and the cutting liquid is made to flow more uniformly by the arrangement of the liquid guide hole.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. A multi-size combined boring tool, characterized by comprising: the cutter comprises a cutter handle (1), wherein a cutter holder (2) is arranged on one side of the cutter handle (1), a first cutter head (3), a third cutter head (4) and a fifth cutter head (5) are sequentially and symmetrically arranged on two sides of the cutter holder (2), a second cutter head (6) is arranged between the first cutter head (3) and the third cutter head (4) on one side, and a fourth cutter head (7) is arranged between the third cutter head (4) and the fifth cutter head (5) on one side;

first round holes are all formed in the inner portions of the tool shank (1) and the tool apron (2), three groups of second round holes are symmetrically formed in the two sides of the tool apron (2), each group of second round holes comprises two liquid guide holes, an elastic tube chuck (8) is arranged between the tool shank (1) and the tool apron (2), a plurality of sixth notches are formed in the circumferential side of the elastic tube chuck (8) in an evenly distributed mode, and a pressing seat (9) is arranged in the circumferential side of one end of the tool apron (2).

2. The multi-size combined boring cutter as claimed in claim 1, wherein one end of the cutter holder (1) is of a circular truncated cone structure, a first notch is formed in the periphery of the cutter holder (1), a second notch is formed in one side of the cutter holder (1), the second notch is of a circular truncated cone structure, and two third notches, a fourth notch and a fifth notch are symmetrically formed in one end of the cutter holder (2).

3. The multi-size combined boring tool as claimed in claim 2, wherein the elastic cylinder chuck (8) is installed in the second notch, the elastic cylinder chuck (8) is a hollow circular truncated cone-shaped structure, one end of the tool apron (2) is installed in the elastic cylinder chuck (8), the sixth notch penetrates through the elastic cylinder chuck (8), the first tool bit (3) and the second tool bit (6) are both installed in the third notch, the third tool bit (4) and the fourth tool bit (7) are both installed in the fourth notch, and the fifth tool bit (5) is installed in the fifth notch.

4. The multi-size combined boring tool as claimed in claim 1, wherein the periphery of the tool holder (2) is provided with a protrusion, one side of the protrusion is attached to one side of the elastic cylinder chuck (8), the pressing seat (9) is provided with a groove, the protrusion is located in the groove, the tool holder (2) is formed by sequentially splicing three cylinders, and the diameters of the three cylinders are sequentially reduced.

5. The multi-size combined boring tool as claimed in claim 1, wherein a plurality of threaded holes are formed in the circumferential sides of the tool holder (1) and the pressing seat (9), a gap is reserved between the tool holder (1) and the pressing seat (9), and the first round hole penetrates through the tool holder (1) and the tool apron (2).

6. The multi-size combined boring tool as claimed in claim 1, wherein the first tool bit (3) and the third tool bit (4) are diamond-shaped in cross section, the fifth tool bit (5) is triangular in cross section, the second tool bit (6) and the fourth tool bit (7) are circular in cross section, the liquid guide hole penetrates through the tool apron (2), the liquid guide hole and the first circular hole are formed at a certain angle, one end of the liquid guide hole is communicated with the first circular hole, and the other end of the liquid guide hole is located on one side away from the tool shank (1).