CN213944934U

CN213944934U - Spiral single-edge T-shaped boring cutter

Info

Publication number: CN213944934U
Application number: CN202023141981.1U
Authority: CN
Inventors: 郭宇; 胡森
Original assignee: Dongguan Haodao Jinggong Technology Co ltd
Current assignee: Dongguan Haodao Jinggong Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-13
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a spiral single-edged T boring cutter, including cutter arbor and connecting block, the spread groove has been seted up on the right side of cutter arbor, and the upper and lower both sides of spread groove have seted up the constant head tank, the connecting block is located the inside of spread groove, and the right side of connecting block is fixed with the tool bit, the mounting groove has been seted up to the upper and lower both sides of connecting block, and the inboard of mounting groove is provided with the spring, the inboard of spring is provided with the damping lever. This spiral single-edged T boring cutter, compare with current ordinary T boring cutter, the fixture block can stretch out and draw back, in being impressed the fixture block the spread groove, the fixture block is impressed in the mounting groove by the cutter arbor, make the spring compression, the fixture block kick-backs under the spring action of spring, make in the constant head tank that the fixture block card was gone into, conveniently install and dismantle, the cross-section of tool bit is whistle shape, make the synchronous neck size difference in ordinary plane cross-section in tool bit cross-section, increase cross-sectional strength when reducing the cross-section and interfere, can be used to the dark intracavity portion boring and milling of square mouth.

Description

Spiral single-edge T-shaped boring cutter

Technical Field

The utility model relates to a boring cutter technical field specifically is a spiral single-edged T boring cutter.

Background

In machining, different machining methods can be used, depending on the structure and technical requirements of the hole, and these methods can be summarized into two categories: one is to process holes on solid workpieces, i.e. to process holes from the solid; the other type is to perform semi-finishing and finishing on the existing hole, the boring cutter is one of hole machining cutters, is generally a round handle, and the cutter bar of a larger workpiece is generally found in vertical lathes.

The general T boring cutter has a simple structure and a single function, a common plane has a thin section and is used for reducing section interference, so that the section strength of the boring cutter is low, the use requirements of people cannot be well met, and technical innovation is performed on the basis of the existing T boring cutter aiming at the conditions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spiral single-edged T boring cutter to provide general T boring cutter in solving above-mentioned background art, simple structure, the function is single, and ordinary plane cross-section is thinner, is used for reducing the cross-section and interferes, consequently also makes this boring cutter cross-sectional strength lower, can not be fine satisfy people's user demand problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a spiral single-edged T boring cutter, includes cutter arbor and connecting block, the spread groove has been seted up on the right side of cutter arbor, and the upper and lower both sides of spread groove have seted up the constant head tank, the connecting block is located the inside of spread groove, and the right side of connecting block is fixed with the tool bit, the mounting groove has been seted up to the upper and lower both sides of connecting block, and the inboard of mounting groove is provided with the spring, the inboard of spring is provided with the damping lever, and one side that the connecting block central line was kept away from to the damping lever is fixed with the fixture block.

Preferably, the cutter bar is connected with the cutter head in a clamping manner, and the section of the cutter head is in a whistle shape.

Preferably, the positioning grooves and the cutter bar are of an integrated structure, and the positioning grooves are symmetrically distributed around the center line of the cutter bar.

Preferably, the clamping block is elastically connected with the connecting block through the spring, and the center line of the spring is overlapped with the center line of the damping rod.

Preferably, the damping rod is fixedly connected with the fixture block, and the outer surface of the fixture block is attached to the inner surface of the positioning groove.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model has the advantages that through the arrangement of the cutter bar and the cutter head, the cutter bar is connected with the cutter head in a clamping way, the section of the cutter head is in a whistle shape, the section design of the whistle and the synchronous neck size of the section are different from the common plane section, the section strength is increased while the section interference is reduced, and the cutter bar can be used for boring and milling the inner part of a square-mouth deep cavity;

2. the utility model discloses a setting of cutter arbor, tool bit, constant head tank, fixture block, connecting block, spring and damping rod, the fixture block passes through to be elastic connection between spring and the connecting block, is fixed connection between damping rod and the fixture block, and the fixture block can stretch out and draw back, is impressed in the spread groove through the fixture block, is in the same place through constant head tank and fixture block joint, conveniently installs the tool bit and dismantles.

Drawings

FIG. 1 is a schematic top view of the present invention with a partially cut-away structure;

FIG. 2 is a right side view of the structure of the present invention;

FIG. 3 is a schematic perspective view of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a cutter bar; 2. a cutter head; 3. positioning a groove; 4. a clamping block; 5. connecting grooves; 6. connecting blocks; 7. a spring; 8. a damping lever; 9. and (4) mounting the 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.

Referring to fig. 1-4, the present invention provides a technical solution: a spiral single-edge T-shaped boring cutter comprises a cutter bar 1 and a connecting block 6, wherein a connecting groove 5 is formed in the right side of the cutter bar 1, positioning grooves 3 are formed in the upper side and the lower side of the connecting groove 5, the positioning grooves 3 and the cutter bar 1 are of an integrated structure, the positioning grooves 3 are symmetrically distributed about the center line of the cutter bar 1, the connecting block 6 is located inside the connecting groove 5, a cutter head 2 is fixed on the right side of the connecting block 6, the cutter bar 1 and the cutter head 2 are connected in a clamping mode, the cross section of the cutter head 2 is of a whistle shape, the cross section is designed, the size of a cross section synchronous neck is different from that of a common plane, the cross section interference is reduced, the cross section strength is increased, and the spiral single-edge T-shaped boring cutter can be used for boring and milling inside a square-mouth deep cavity;

the upper side and the lower side of the connecting block 6 are provided with mounting grooves 9, the inner side of each mounting groove 9 is provided with a spring 7, the inner side of each spring 7 is provided with a damping rod 8, one side of each damping rod 8, which is far away from the central line of the connecting block 6, is fixedly provided with a fixture block 4, the fixture block 4 is elastically connected with the connecting block 6 through the spring 7, the central line of the spring 7 is superposed with the central line of the damping rod 8, the damping rod 8 is fixedly connected with the fixture block 4, the outer surface of the fixture block 4 is attached to the inner surface of the positioning groove 3, through the arrangement of the cutter bar 1, the cutter head 2, the positioning groove 3, the fixture block 4, the connecting block 6, the spring 7 and the damping rod 8, the fixture block 4 is elastically connected with the connecting block 6 through the spring 7, the damping rod 8 is fixedly connected with the fixture block 4, the fixture block 4 can be stretched and is pressed into the connecting groove 5 through the fixture block 4 and is clamped with the fixture block 4 through the positioning groove 3, the tool bit 2 is convenient to mount and dismount.

The working principle is as follows: when using this spiral single-edged T boring cutter, at first insert the connecting block 6 of this tool bit 2 in the spread groove 5 of cutter arbor 1, fixture block 4 is impressed in mounting groove 9 by cutter arbor 1, make the spring 7 compress, adjust the position of this connecting block 6 at spread groove 5, make constant head tank 3 and mounting groove 9 align, fixture block 4 kick-backs under the spring action of spring 7, make in the constant head tank 3 that fixture block 4 card was gone into, conveniently install and dismantle, the cross-section of tool bit 2 is whistle shape, tool bit 2 through the whistle cross-section, the synchronous neck size in cross-section is different from ordinary plane cross-section, increase section strength when reducing the cross-section and interfering, can be used to the inside boring and milling of square mouth deep cavity, this is exactly the theory of operation of this spiral single-edged T boring cutter.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a spiral single-edged T boring cutter, includes cutter arbor (1) and connecting block (6), its characterized in that: spread groove (5) have been seted up on the right side of cutter arbor (1), and constant head tank (3) have been seted up to the upper and lower both sides of spread groove (5), connecting block (6) are located the inside of spread groove (5), and the right side of connecting block (6) is fixed with tool bit (2), mounting groove (9) have been seted up to the upper and lower both sides of connecting block (6), and the inboard of mounting groove (9) is provided with spring (7), the inboard of spring (7) is provided with damping lever (8), and one side that connecting block (6) central line was kept away from in damping lever (8) is fixed with fixture block (4).

2. The spiral single-edged T-boring tool as set forth in claim 1, wherein: the cutter bar (1) is connected with the cutter head (2) in a clamping manner, and the section of the cutter head (2) is in a whistle shape.

3. The spiral single-edged T-boring tool as set forth in claim 1, wherein: the positioning groove (3) and the cutter bar (1) are of an integrated structure, and the positioning groove (3) is symmetrically distributed around the center line of the cutter bar (1).

4. The spiral single-edged T-boring tool as set forth in claim 1, wherein: the clamping block (4) is elastically connected with the connecting block (6) through the spring (7), and the center line of the spring (7) is overlapped with the center line of the damping rod (8).

5. The spiral single-edged T-boring tool as set forth in claim 1, wherein: the damping rod (8) is fixedly connected with the clamping block (4), and the outer surface of the clamping block (4) is attached to the inner surface of the positioning groove (3).