CN213033671U

CN213033671U - Novel combined boring cutter

Info

Publication number: CN213033671U
Application number: CN202022017433.1U
Authority: CN
Inventors: 祁增强; 戴聪; 吴昌
Original assignee: Universal Precision Machining Zhejiang Co ltd
Current assignee: Universal Precision Machining Zhejiang Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-04-23
Anticipated expiration: 2030-09-15

Abstract

The utility model relates to a novel combined boring cutter, which comprises a cutter holder body and a boring cutter blade which can be detachably installed; the blade holder body includes top-down integrated into one piece's handle of a knife and cutter arbor, its characterized in that: the chamfering device is also included; the chamfering device comprises a chamfering cutter shell, a steel sleeve, an elastic gasket and a chamfering cutter; one end of the chamfering tool shell is fixedly connected to the bottom end of the tool bar, and the other end of the chamfering tool shell is obliquely provided with a chamfering tool groove; an elastic gasket is arranged at the bottom of the chamfering cutter groove; the steel sleeve is arranged in the chamfer cutter groove; the chamfering tool is detachably connected to the chamfering tool groove.

Description

Novel combined boring cutter

Technical Field

The utility model belongs to the technical field of the boring cutter technique and specifically relates to a novel combination formula boring cutter is related to.

Background

The boring cutter is one of hole machining cutters, is generally a round handle, and a square cutter rod used for a larger workpiece is generally found in a vertical lathe, and the most common occasions are inner hole machining, hole expanding, profiling and the like. However, the inner hole can be machined, and the outer circle of the end face can also be machined, which is not used conventionally.

In a traditional process, the boring cutter is detached and then the chamfering cutter is installed on a main shaft, and two steps are very troublesome. And the workpiece is easy to collide with the tool shank during processing, so that the tool shank is scrapped.

Therefore, the company applies for a novel combined boring cutter, and also solves the problem that twice installation is divided into chamfering after the boring cutter is used for reaming.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a novel combination formula boring cutter for solve the problem in the above-mentioned background art.

The technical scheme of the utility model is realized like this: a novel combined boring cutter comprises a cutter holder body and a boring cutter blade which is detachably mounted; the blade holder body includes top-down integrated into one piece's handle of a knife and cutter arbor, its characterized in that: the chamfering device is also included; the chamfering device comprises a chamfering cutter shell, a steel sleeve, an elastic gasket and a chamfering cutter; one end of the chamfering tool shell is fixedly connected to the bottom end of the tool bar, and the other end of the chamfering tool shell is obliquely provided with a chamfering tool groove; an elastic gasket is arranged at the bottom of the chamfering cutter groove; the steel sleeve is arranged in the chamfer cutter groove; the chamfering tool is detachably connected to the chamfering tool groove.

Preferably: an elastic component is arranged at the joint of the cutter handle and the cutter bar; the elastic assembly comprises a spring, a rigid cushion and a telescopic pipeline; one end of the telescopic pipeline is fixed with the knife handle, and the other end of the telescopic pipeline is provided with a rigid pad; the spring is arranged inside the telescopic pipeline.

Preferably: the other end of the rigid pad is provided with a rubber pad.

Preferably: the rubber pad is provided with a countersunk head and is connected to the rigid pad through a bolt.

Preferably: the chamfering tool is connected with the chamfering tool groove through a screw.

Preferably: the telescopic pipeline is connected to the lower end of the knife handle in a threaded mode.

Preferably: the boring cutter fixing seat is in threaded connection with the cutter bar; the boring cutter blade is connected to one end of the boring cutter fixing seat in a threaded mode.

Compared with the prior art, the utility model discloses the beneficial effect who brings does:

1. the chamfering tool can be used for machining the chamfer continuously without replacing the tool shank after the boring blade is used for machining, so that the time for replacing the tool shank can be saved.

2. The elastic component arranged at the lower end of the cutter handle can effectively reduce the loss caused by the fact that a workpiece is collided with the cutter handle when the operation of workers is lost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

fig. 2 is an exploded view of the chamfering device of the present invention.

The examples in the figure are: 1. the tool apron comprises a tool apron body, 11, a tool shank, 12, a tool bar, 2, a boring blade, 3, a chamfering device, 31, a chamfering tool shell, 32, a steel sleeve, 33, an elastic gasket, 34, a chamfering tool, 35, a chamfering tool groove, 4, an elastic assembly, 41, a spring, 42, a telescopic pipeline, 43, a rigid gasket, 44, a rubber pad, 5 and a boring tool fixing seat.

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 efforts belong to the protection scope of the present invention.

As shown in fig. 1-2, the utility model discloses a novel combined boring tool, which comprises a tool apron body 1 and a detachably mounted boring blade 2; the tool apron body 1 comprises a tool shank 11 and a tool shank 12 which are integrally formed from top to bottom, and is characterized in that: the chamfering device 3 is also included; the chamfering device 3 comprises a chamfering cutter shell 31, a steel sleeve 32, an elastic gasket 33 and a chamfering cutter 34; one end of the chamfer cutter shell 31 is fixedly connected to the bottom end of the cutter bar 12, and the other end of the chamfer cutter shell is obliquely provided with a chamfer cutter groove 35; the bottom of the chamfer cutter groove 35 is provided with an elastic gasket 33; the steel sleeve 32 is arranged in the chamfer cutter groove 35; the chamfer cutter 34 is detachably connected to the chamfer cutter groove 35.

By adopting the technical scheme, the utility model discloses the beneficial effect who brings is: the boring blade and the chamfering tool are clamped with the same cutter bar, so that the step of clamping the chamfering tool again after the boring blade finishes processing a workpiece can be omitted, the efficiency can be improved, and the chamfering tool groove can be effectively protected by the steel sleeve.

In the specific embodiment of the utility model, the connection part of the knife handle and the knife bar is provided with an elastic component 4; the elastic assembly 4 comprises a spring 41, a rigid pad 43 and a telescopic pipe 42; one end of the telescopic pipeline 42 is fixed with the knife handle 11, and the other end of the telescopic pipeline is provided with a rigid pad 43; the spring 41 is mounted inside the telescopic tube 42.

By adopting the technical scheme, the utility model discloses the beneficial effect who brings is: the workpiece is directly collided with the tool shank when the operation of workers is wrong.

In the embodiment of the present invention, the other end of the rigid pad 43 is provided with a rubber pad 44.

By adopting the technical scheme, the utility model discloses the beneficial effect who brings is: the rubber pad can effectively reduce the surface abrasion caused by the impact of the workpiece.

In the present embodiment, the rubber pad 44 is provided with a countersunk head and bolted to the rigid pad 43.

By adopting the technical scheme, the utility model discloses the beneficial effect who brings is: the rubber pad can be conveniently replaced.

In the embodiment of the present invention, the chamfer cutter 34 is connected to the chamfer cutter groove 35 by a screw.

By adopting the technical scheme, the utility model discloses the beneficial effect who brings is: the chamfer cutter is convenient to replace due to abrasion.

In the specific embodiment of the present invention, the telescopic pipe 42 is screwed to the lower end of the handle 11.

By adopting the technical scheme, the utility model discloses the beneficial effect who brings is: the elastic component is convenient to disassemble without using.

In the specific embodiment of the utility model, the boring cutter fixing seat also comprises a boring cutter fixing seat 5 which is connected with the cutter rod 12 in a threaded manner; the boring blade 2 is in threaded connection with one end of the boring cutter fixing seat 5.

By adopting the technical scheme, the utility model discloses the beneficial effect who brings is: the boring cutter fixing seat can effectively relieve the damage of vibration to the cutter bar during cutter machining, and facilitates replacement of the boring cutter blade.

It should be noted that the utility model is suitable for a leave the pipeline type work piece that at least 15cm surplus need not to process and the diameter is greater than 20 cm.

The utility model discloses a theory of operation is: the boring blade is fixed with the cutter bar by using the boring cutter fixing seat, and the workpiece can be chamfered by using a chamfering device at the bottom after the workpiece is machined.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel combined boring tool comprises a tool apron body (1) and a boring blade (2) which is detachably mounted; the tool apron body (1) comprises a tool handle (11) and a tool bar (12) which are integrally formed from top to bottom, and is characterized in that: the chamfering device (3) is also included; the chamfering device (3) comprises a chamfering cutter shell (31), a steel sleeve (32), an elastic gasket (33) and a chamfering cutter (34); one end of the chamfer cutter shell (31) is fixedly connected to the bottom end of the cutter bar (12), and the other end of the chamfer cutter shell is obliquely provided with a chamfer cutter groove (35); the bottom of the chamfer cutter groove (35) is provided with an elastic gasket (33); the steel sleeve (32) is arranged in the chamfer cutter groove (35); the chamfering cutter (34) is detachably connected with the chamfering cutter groove (35).

2. The novel combined boring cutter as claimed in claim 1, wherein: an elastic component (4) is arranged at the joint of the cutter handle and the cutter bar; the elastic component (4) comprises a spring (41), a rigid pad (43) and a telescopic pipeline (42); one end of the telescopic pipeline (42) is fixed with the knife handle (11), and the other end of the telescopic pipeline is provided with a rigid pad (43); the spring (41) is arranged inside the telescopic pipeline (42).

3. The novel combined boring cutter as claimed in claim 2, wherein: the other end of the rigid pad (43) is provided with a rubber pad (44).

4. The novel combined boring cutter as claimed in claim 3, wherein: the rubber pad (44) is provided with a countersunk head and is bolted to the rigid pad (43).

5. The novel combined boring cutter as claimed in claim 4, wherein: the chamfer cutter (34) is connected with the chamfer cutter groove (35) through a screw.

6. The novel combined boring cutter as claimed in claim 5, wherein: the telescopic pipeline (42) is in threaded connection with the lower end of the knife handle (11).

7. The novel combined boring cutter as claimed in claim 6, wherein: the boring cutter fixing seat is in threaded connection with the cutter rod (12); the boring blade (2) is in threaded connection with one end of the boring cutter fixing seat (5).