CN202291458U

CN202291458U - Special tool holder for lengthening tool bar

Info

Publication number: CN202291458U
Application number: CN2011204233981U
Authority: CN
Inventors: 凌圣军
Original assignee: Nantong AMC Machinery Co Ltd
Current assignee: Nantong AMC Machinery Co Ltd
Priority date: 2011-10-31
Filing date: 2011-10-31
Publication date: 2012-07-04
Anticipated expiration: 2021-10-31

Abstract

The utility model relates to a special tool holder for a lengthening tool bar. The special tool holder is characterized by comprising a compaction module and a bottom die fastened up and down, wherein a semicircular slot is arranged on the compaction module and the bottom die respectively; and when the compaction module and the bottom die are fastened, the two semi-circular slots hold tightly the upper and lower surfaces of an inner bore tool respectively. According to the utility model, by overall combining the curved surfaces, the holding force of the tool holder on the tool bar is increased, thus the rigidity of the tool bar can be improved, vibration is not generated easily, and the cutting is more stable.

Description

The special-purpose tool rest of knife bar is used to extend

Technical field

The utility model relates to a kind of tool rest that is used for lengthening knife bar on the Digit Control Machine Tool.

Background technology

It is smaller that regular meeting runs into some product internal diameters in the metal parts machine components, and the surface to be machined processing length is big, and sometimes length can need be used the long Boring cutter 1 of length as shown in Figure 1 this moment greater than 5 times knife bar diameter.And general endoporus tool rest adopts opposite side screw lock mode to install, and when the cutter great disparity elongation of Boring cutter 1 as shown in Figure 1 during greater than 3 times of knife bar diameters, is easy to generate vibration, and processing quality is unstable.

Summary of the invention

The purpose of the utility model provides a kind of tool rest of long Boring cutter of cutter great disparity elongation that is used for, and makes Boring cutter be not easy vibration, guarantees processing quality.

In order to achieve the above object; The technical scheme of the utility model has provided a kind of special-purpose tool rest of the knife bar that is used to extend; It is characterized in that: comprise the compression module and the bed die that fasten up and down; On compression module and bed die, have a half slot, behind compression module and bed die fastening, two half slots are held the upper and lower surfaces of Boring cutter respectively tightly.

Preferably, on the end face of said bed die, have locating slot, be provided with the locating piece that matches with this locating slot in said compression module bottom.

The method that the utility model adopts whole curved surface to combine increases the grip force of tool rest to knife bar, can not only improve the rigidity of knife bar, and is difficult for producing vibration, cuts more stable.

Description of drawings

Fig. 1 is the Boring cutter sketch map;

The structural representation of the special-purpose tool rest of a kind of knife bar that is used to extend that Fig. 2 provides for the utility model;

Fig. 3 is the A-A cutaway view among Fig. 2;

Fig. 4 is the bed die sketch map.

The specific embodiment

For making the utility model more obviously understandable, now with a preferred embodiment, and conjunction with figs. elaborates as follows.

Extremely shown in Figure 4 like Fig. 2; The special-purpose tool rest of the utility model provides a kind of knife bar that is used to extend; Comprise the compression module 2 and the bed die 3 that fasten up and down; On compression module 2 and bed die 3, have a half slot, behind compression module 2 and bed die 3 fastenings, two half slots are held the upper and lower surfaces of Boring cutter 1 respectively tightly.

In order to make, more accurate at compression module 2 and bed die 3 fastenings, on the end face of bed die 3, have locating slot 4, be provided with the locating piece 5 that matches with this locating slot 4 in compression module 2 bottoms.

During use, Boring cutter is placed on the bed die 3, the compression module 2 that closes then has been deformed into the base of this Boring cutter.

Claims

1. the special-purpose tool rest of the knife bar that is used to extend; It is characterized in that: comprise the compression module (2) and the bed die (3) that fasten up and down; On compression module (2) and bed die (3), have a half slot; Behind compression module (2) and bed die (3) fastening, two half slots are held the upper and lower surfaces of Boring cutter (1) respectively tightly.

2. the special-purpose tool rest of a kind of knife bar that is used to extend as claimed in claim 1; It is characterized in that: on the end face of said bed die (3), have locating slot (4), be provided with the locating piece (5) that matches with this locating slot (4) in said compression module (2) bottom.