CN203437710U

CN203437710U - Detachable extension cutter bar

Info

Publication number: CN203437710U
Application number: CN201320519733.7U
Authority: CN
Inventors: 魏成双; 范立刚; 吕岩峰; 孙盛丽; 谭广杰; 曹滨滨
Original assignee: Harbin Turbine Co Ltd
Current assignee: Harbin Turbine Co Ltd
Priority date: 2013-08-23
Filing date: 2013-08-23
Publication date: 2014-02-19
Anticipated expiration: 2023-08-23

Abstract

The utility model relates to a detachable extension cutter bar. The detachable extension cutter bar aims to solve the problems that in the prior art, extension cutter bars need to be used in the hole machining process, a lot of the extension cutter bars of different dimensions occupy a lot of inventory space, and the tool cost is high. The detachable extension cutter bar comprises a cutter connection bar, an extension bar and a tail handle. The cutter connection bar, the extension bar and the tail handle are cylinders, one end of the cutter connection bar is connected with a cutter, the other end of the cutter connection bar is connected with one end of the extension bar, and the other end of the extension bar is connected with one end of the tail handle. The detachable extension cutter bar is used in holemachining.

Description

A kind of detachable lengthening knife bar

Technical field

The utility model relates to a kind of detachable lengthening knife bar.

Background technology

While carrying out machining in prior art, need to carry out hole processing to workpiece, as processing rotor balance pipe, bolt hole, specific machining tool need to be selected very dark time in the hole of processing, select the lengthening knife bar of different length, to reach optimized cutting effect, but need the lengthening knife bar of a large amount of different size specifications of stock and length specification, increased stock's quantity, take huge stocks space, the expense of instrument cost is larger.

Utility model content

The utility model adds man-hour requirement use lengthening knife bar in order to solve prior art mesopore, and the lengthening knife bar of a large amount of different size specifications takies huge stocks space, the larger problem of expense of while instrument cost, and then a kind of detachable lengthening knife bar is provided.

The utility model is to address the above problem the technical scheme adopting to be: described lengthening knife bar comprises and connects knife bar, extension bar and caudal peduncle; Connect knife bar, extension bar and caudal peduncle and be cylinder, the one end that connects knife bar is connected with cutter, connects the other end of knife bar and one end of extension bar is connected, and the other end of extension bar is connected with one end of caudal peduncle.

The beneficial effects of the utility model are: by knife bar 1, extension bar 2 and the caudal peduncle 3 of connecing of the present utility model, connect to form successively dismountable lengthening knife bar, during work, can assemble according to different length, by the utility model, can save stock's usage space, also can save instrument buying expenses simultaneously, the utlity model has feature simple in structure, easy to use.

Accompanying drawing explanation

Fig. 1 is the utility model overall structure front view, and Fig. 2 is the front view that connects knife bar 1, and Fig. 3 is the front view of extension bar 2, and Fig. 4 is the front view of caudal peduncle 3.

The specific embodiment

The specific embodiment one: in conjunction with Fig. 1-Fig. 4, a kind of detachable lengthening knife bar of present embodiment is described, described lengthening knife bar comprises and connects knife bar 1, extension bar 2 and caudal peduncle 3; Connect knife bar 1, extension bar 2 and caudal peduncle 3 and be cylinder, the one end that connects knife bar 1 is connected with cutter 4, and the other end that connects knife bar 1 is connected with one end of extension bar 2, and the other end of extension bar 2 is connected with one end of caudal peduncle 3.

The specific embodiment two: a kind of detachable lengthening knife bar of present embodiment is described in conjunction with Fig. 1 and Fig. 2, described one end to the other end that connects knife bar 1 is divided into the 6th active section 1-1 successively, the 7th active section 1-2, the 8th active section 1-3, the 9th active section 1-4 and the tenth active section 1-5, along the axis that connects knife bar 1, by one end of the 6th active section 1-1, to one end of the tenth active section 1-5, be processed with successively the second circular hole 1-6 and the second screwed hole 1-7, on the tenth active section 1-5, be processed with the second external screw thread 1-8, one end of cutter 4 is fixed on the second screwed hole 1-7 through the second circular hole 1-6, other is identical with the specific embodiment one.

The specific embodiment three: a kind of detachable lengthening knife bar of present embodiment is described in conjunction with Fig. 1 and Fig. 3, one end of described extension bar 2 to the other end is divided into the first active section 2-1, the second active section 2-2, the 3rd active section 2-3, the 4th active section 2-4 and the 5th active section 2-5 successively, along the axis of extension bar 2, by one end of the first active section 2-1, to one end of the 5th active section 2-5, be processed with successively the first circular hole 2-6 and the first screwed hole 2-7, on the 5th active section 2-5, be processed with the first external screw thread 2-8, other is identical with the specific embodiment one.

The specific embodiment four: a kind of detachable lengthening knife bar of present embodiment is described in conjunction with Fig. 1 and Fig. 4, one end of described caudal peduncle 3 to the other end is divided into the 11 active section 3-1 and the 12 active section 3-2 successively, the other end of caudal peduncle 3 is processed with flat 3-3, between the 12 active section 3-2 and flat 3-3, be processed with round platform 3-4, the upper processing of round platform 3-4 strip hole 3-5, the tapering of round platform 3-4 adopts No. three taperings of Mohs, and other is identical with the specific embodiment one.

The specific embodiment five: in conjunction with Fig. 1 and Fig. 2, a kind of detachable lengthening knife bar of present embodiment is described, the diameter of described the second screwed hole 1-7 is D, and the numerical value of D is 8mm-16mm, and other is identical with the specific embodiment two.

Operation principle

During work, select required knife bar 1, extension bar 2 and the caudal peduncle 3 of connecing, then successively by cutter 4, connect knife bar 1, extension bar 2 and caudal peduncle 3 and be connected in turn, be assembled into lengthening knife bar, then lengthening knife bar is arranged on lathe.

Claims

1. a detachable lengthening knife bar, is characterized in that: described lengthening knife bar comprises and connects knife bar (1), extension bar (2) and caudal peduncle (3); Connect knife bar (1), extension bar (2) and caudal peduncle (3) and be cylinder, the one end that connects knife bar (1) is connected with cutter (4), the other end that connects knife bar (1) is connected with one end of extension bar (2), and the other end of extension bar (2) is connected with one end of caudal peduncle (3).

2. a kind of detachable lengthening knife bar according to claim 1, it is characterized in that: described in connect knife bar (1) one end to the other end be divided into successively the 6th active section (1-1), the 7th active section (1-2), the 8th active section (1-3), the 9th active section (1-4) and the tenth active section (1-5), along the axis that connects knife bar (1), by one end of the 6th active section (1-1), to one end of the tenth active section (1-5), be processed with successively the second circular hole (1-6) and the second screwed hole (1-7), on the tenth active section (1-5), be processed with the second external screw thread (1-8), one end of cutter (4) is fixed on the second screwed hole (1-7) through the second circular hole (1-6).

3. a kind of detachable lengthening knife bar according to claim 1, it is characterized in that: one end of described extension bar (2) to the other end is divided into the first active section (2-1), the second active section (2-2), the 3rd active section (2-3), the 4th active section (2-4) and the 5th active section (2-5) successively, along the axis of extension bar (2), by one end of the first active section (2-1), to one end of the 5th active section (2-5), be processed with successively the first circular hole (2-6) and the first screwed hole (2-7), on the 5th active section (2-5), be processed with the first external screw thread (2-8).

4. a kind of detachable lengthening knife bar according to claim 1, it is characterized in that: one end of described caudal peduncle (3) to the other end is divided into the 11 active section (3-1) and the 12 active section (3-2) successively, the other end of caudal peduncle (3) is processed with flat (3-3), between the 12 active section (3-2) and flat (3-3), be processed with round platform (3-4), the upper processing of round platform (3-4) strip hole (3-5), the tapering of round platform (3-4) adopts No. three taperings of Mohs.

5. a kind of detachable lengthening knife bar according to claim 2, is characterized in that: the diameter of described the second screwed hole (1-7) is D, and the numerical value of D is 8mm-16mm.