CN212351333U

CN212351333U - Quick-change tool bit mechanism

Info

Publication number: CN212351333U
Application number: CN202020673091.6U
Authority: CN
Inventors: 沈茂林; 黄德康; 林旺南; 莫福龙
Original assignee: Nanxing Machinery Co Ltd
Current assignee: Nanxing Machinery Co Ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-01-15
Anticipated expiration: 2030-04-27

Abstract

The utility model relates to a banding technical field, concretely relates to quick change tool bit mechanism, this quick change tool bit mechanism includes profile modeling blade holder, profile modeling tool bit subassembly and profile modeling cutting motor, profile modeling cutting motor locates the profile modeling blade holder, profile modeling cutting motor is used for driving the rotation of profile modeling tool bit subassembly; the profiling cutter head component is detachably arranged on the profiling cutter holder. An object of the utility model is to provide a quick change tool bit mechanism has solved the inconvenient problem of tool changing among the profiling mechanism.

Description

Quick-change tool bit mechanism

Technical Field

The utility model relates to a banding technical field, concretely relates to quick change tool bit mechanism.

Background

In the profiling mechanism in the prior art, four corners of a workpiece are generally scraped and profiled by a cutter, but the traditional cutter is fixed and locked on a cutter holder through screws, and the cutter is worn after being used for a long time, so that the cutter needs to be replaced regularly, and the screws need to be frequently dismounted and mounted, which causes inconvenience.

Disclosure of Invention

In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a quick change tool bit mechanism has solved the inconvenient problem of tool changing among the profiling mechanism.

The utility model discloses a realize through following technical scheme:

a quick-change tool bit mechanism comprises a profiling tool apron, a profiling tool bit assembly and a profiling cutting motor, wherein the profiling cutting motor is arranged on the profiling tool apron and is used for driving the profiling tool bit assembly to rotate; the profiling cutter head component is detachably arranged on the profiling cutter holder.

The profiling cutter holder comprises a cutter holder shell and a cutter holder piston arranged in the cutter holder shell in a sliding mode, and the output end of the profiling cutting motor penetrates through one end of the cutter holder shell and extends into the cutter holder shell; a plurality of clamping jaws for clamping the copying tool bit assembly are rotatably arranged on one end face of the cutter holder shell close to the output end of the copying cutting motor, and a plurality of clamping jaw ejection columns in one-to-one correspondence with the plurality of clamping jaws are arranged on the side wall of the cutter holder piston close to the clamping jaws; an airtight space is formed between the cutter holder piston and the profiling cutter holder, the cutter holder piston is provided with an air guide pipe communicated with the airtight space, the air guide pipe is used for being connected with an external air source, an elastic piece is further arranged between the profiling cutter holder and the cutter holder piston, and the elastic piece is used for abutting against the cutter holder piston so that the jack catch ejection column abuts against the middle of the jack catch and simultaneously drives the jack catches to rotate and simultaneously clamps the jack catch assembly on the profiling cutter head assembly;

when an external air source ventilates the closed space, the cutter holder piston moves in the direction away from the clamping jaw, and the clamping jaw ejection column pushes against the tail end of the clamping jaw and drives the clamping jaw to rotate so as to loosen the profiling cutter head assembly.

And one side of the profiling cutter head component is also provided with a dust collection cover, one end of the dust collection cover is communicated with the cutter head of the profiling cutter head component, and the other end of the dust collection cover extends outwards.

Wherein, the profile modeling cutting motor is a high frequency motor.

Wherein, the elastic component is a spring.

The utility model has the advantages that:

the problem of inconvenient tool changing among the profiling mechanism is solved: the utility model discloses a quick change tool bit mechanism is through setting up detachable copying tool bit subassembly to make after copying tool bit subassembly wearing and tearing, can in time change, greatly increased the efficiency of tool changing among the copying mechanism.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the profiling cutter holder when the air duct is not inflated.

Fig. 3 is a sectional view of the profiling cutter holder when the air duct is inflated.

Reference numerals

A profiling cutter seat-51, a cutter seat shell-511, a cutter seat piston-512, a claw-513, a claw top column-514, a gas-guide tube-515, an elastic piece-516, a dust-collecting cover-517, a profiling cutter head component-52, a profiling cutting motor-53,

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

It should be noted that the structures shown in the drawings are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the practical limitations of the present invention, so that the modifications or adjustments of any structure do not have the essential meaning in the art, and the present invention should still fall within the scope of the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention.

As shown in fig. 1 to 3, the quick-change cutter head mechanism comprises a profiling cutter seat 51, a profiling cutter head assembly 52 and a profiling cutting motor 53, wherein the profiling cutting motor 53 is arranged on the profiling cutter seat 51, and the profiling cutting motor 53 is used for driving the profiling cutter head assembly 52 to rotate; the copying tool bit assembly 52 is detachably arranged on the copying tool holder 51.

Specifically, the profiling cutter holder 51 comprises a cutter holder housing 511 and a cutter holder piston 512 slidably disposed in the cutter holder housing 511, and an output end of the profiling cutting motor 53 passes through one end of the cutter holder housing 511 and extends into the cutter holder housing 511; a plurality of claws 513 for clamping the copying tool bit assembly 52 are rotatably arranged on one end surface of the tool apron shell 511 close to the output end of the copying cutting motor 53, and a plurality of claw ejection columns 514 which are in one-to-one correspondence with the claws 513 are arranged on the side wall of the tool apron piston 512 close to the claws 513; a closed space is formed between the tool apron piston 512 and the profiling tool apron 51, the tool apron piston 512 is provided with an air duct 515 communicated with the closed space, the air duct 515 is used for being connected with an external air source, an elastic piece 516 is further arranged between the profiling tool apron 51 and the tool apron piston 512, and the elastic piece 516 is used for abutting against the tool apron piston 512 so that the jaw ejection column 514 abuts against the middle parts of the jaws 513 and simultaneously drives the jaws 513 to rotate and simultaneously clamps the profiling tool bit assembly 52; when an external air source is used to vent the enclosed space, the tool holder piston 512 moves away from the jaws 513, and the jaw posts 514 abut the ends of the jaws 513 and simultaneously drive the jaws 513 to rotate to release the copying head assembly 52. Through the structure of this embodiment, can realize the operation of quick replacement tool bit, because of wearing and tearing or when needing to change the cutter specification, the profile modeling cutting mechanism 5 of this embodiment can realize quick tool changing through the airlock tool bit. In this embodiment, the resilient member 516 is preferably a spring, and the contour cutting motor 53 is preferably a high frequency motor.

In addition, a dust collection cover 517 is further disposed on one side of the profiling cutter head component 52, one end of the dust collection cover 517 is communicated with the cutter head of the profiling cutter head component 52, and the other end of the dust collection cover 517 extends outwards, so that dust caused by cutting of a workpiece can be effectively collected and flying of the dust can be effectively restrained.

In conclusion, the quick-change tool bit mechanism of the embodiment is provided with the detachable copying tool bit assembly 52, so that the copying tool bit assembly 52 can be replaced in time after being worn, and the tool changing efficiency of the copying mechanism is greatly improved.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a quick change tool bit mechanism which characterized in that: the profiling device comprises a profiling cutter holder (51), a profiling cutter head component (52) and a profiling cutting motor (53), wherein the profiling cutting motor (53) is arranged on the profiling cutter holder (51), and the profiling cutting motor (53) is used for driving the profiling cutter head component (52) to rotate; the profiling cutter head component (52) is detachably arranged on the profiling cutter seat (51).

2. The quick-change tool bit mechanism according to claim 1, wherein: the profiling cutter holder (51) comprises a cutter holder shell (511) and a cutter holder piston (512) arranged in the cutter holder shell (511) in a sliding mode, and the output end of the profiling cutting motor (53) penetrates through one end of the cutter holder shell (511) and extends into the cutter holder shell (511); a plurality of clamping jaws (513) used for clamping the copying tool bit assembly (52) are rotatably arranged on one end face, close to the output end of the copying cutting motor (53), of the tool apron shell (511), and a plurality of clamping jaw ejection columns (514) corresponding to the clamping jaws (513) one by one are arranged on the side wall, close to the clamping jaws (513), of the tool apron piston (512); a closed space is formed between the tool apron piston (512) and the profiling tool apron (51), the tool apron piston (512) is provided with an air guide pipe (515) communicated with the closed space, the air guide pipe (515) is used for being connected with an external air source, an elastic piece (516) is further arranged between the profiling tool apron (51) and the tool apron piston (512), and the elastic piece (516) is used for abutting against the tool apron piston (512) so that the jaw ejection column (514) abuts against the middle parts of the jaws (513) and simultaneously drives the jaws (513) to rotate and simultaneously clamps the profiling tool bit assembly (52);

when an external air source ventilates the closed space, the tool apron piston (512) moves in the direction away from the clamping jaws (513), and the clamping jaw ejection columns (514) abut against the tail ends of the clamping jaws (513) and drive the clamping jaws (513) to rotate so as to release the copying tool bit assembly (52).

3. The quick-change tool bit mechanism according to claim 1, wherein: a dust collection cover (517) is further arranged on one side of the profiling cutter head component (52), one end of the dust collection cover (517) is communicated with the cutter head of the profiling cutter head component (52), and the other end of the dust collection cover (517) extends outwards.

4. The quick-change tool bit mechanism according to claim 1, wherein: the profile modeling cutting motor (53) is a high-frequency motor.

5. The quick-change tool bit mechanism according to claim 2, wherein: the elastic member (516) is a spring.