CN201848714U

CN201848714U - Efficient quick-change chuck

Info

Publication number: CN201848714U
Application number: CN2010205527193U
Authority: CN
Inventors: 黄效芬; 黄金良
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-10-08
Filing date: 2010-10-08
Publication date: 2011-06-01
Anticipated expiration: 2020-10-08

Abstract

The utility model relates to a clamping mechanism on an electric power tool, and aims to provide an efficient quick-change chuck. The chuck consists of a handle body and a quick-change joint sleeve assembly, a 7:24 conical cavity is arranged in the front end of the handle body, the tail part of the quick-change joint sleeve is also provided with a 7:24 conical end matched with the conical cavity, and the conical end can be embedded into the conical cavity; and the front end of the quick-change joint sleeve is also provided with a Mohs tapered structure compatible to a drill bit or a cutter. The efficient quick-change chuck disclosed by the utility model can be used for quickly and conveniently change various cutters or drill bits, can be widely applied on drilling machines, milling machines, boring machines or processing centers, and improves the work efficiency.

Description

Efficient quick chuck

Technical field

The utility model relates to the clamping mechanism on a kind of electric tool, specifically, is a kind of efficient quick chuck.

Background technology

Traditional electric tool, when the dismounting screwdriver bit, generally all need to continue on the coat afterburning could the realization, operating efficiency is not high, the particularly more and more big machinery of popularization and application processing now, often need that same lathe bores, boring, expansion, the different manufacturing procedure of multistep such as cut with scissors, attack, therefore this just more needs to improve the quick change efficient of lathe upper grip, to reduce the unnecessary processing stand-by period.

Summary of the invention

The purpose of this utility model is in order to overcome deficiency of the prior art, a kind of new efficient quick chuck to be provided, can change various cutters or drill bit efficiently and easily, can being widely used in increasing work efficiency on drilling machine, milling machine, boring machine or the machining center.

To achieve these goals, the technical solution of the utility model is:

A kind of efficient quick chuck is constituted by handle body and quick-change connected set; The front end inside of described handle body has the awl chamber of 7:24, and the afterbody of described quick-change connected set also has the awl end of the 7:24 that matches with described awl chamber, and described awl end can embed in the described awl chamber; The front end of described quick-change connected set also is provided with the Morse's taper structure of compatible drill bit or cutter.

As further improvement of the utility model, the cavity wall side in described awl chamber is provided with the structure that spring and steel ball link and cooperate; Described steel ball is depressed outside not by described spring compressing and is exposed the inner wall surface in described awl chamber.

As further improvement of the utility model, on the outer surface of the corresponding described awl end of described steel ball, also be provided with the groove that can be absorbed in described steel ball.

Efficient quick chuck of the present utility model is combined by handle body and two parts of quick-change connected set, and wherein quick-change connected set has adopted the straight compound inserted mode of awl, can improve the unfailing performance of precision, rigidity and the use of anchor clamps.The chuck overall structure is therefore rationally exquisite, and can just can change cutter or drill bit by dispense with parking under rotating speed 1200-2000r/min situation at a high speed, reduces non-cutting time effectively, has improved operating efficiency.Because what adopt is 7; Therefore 24 taper shank connecting mode has improved the life-span and the cutting precision of product, can process hole or the tapping silk of diameter between 3-32.5mm.

Quick-change connected set in the utility model can be made variety of way, can install the cutter conversion head additional, selects for use convenient and swift.After rationally selecting different quick-change connected sets for use according to demand, can change the cutter or the drill bit of various different sizes apace, clamping is reliable, and is very convenient, and exchanges inconvenience behind traditional mechanism's interlink for, and time-delay takes the time.

Handle body in the utility model also has unsteady performance, makes quick-change connected set have overload protection function, broken the drawback that conventional rigid connects, and loading and unloading is also more convenient.

Description of drawings

Fig. 1 is the structure cutaway view of the handle body of the efficient quick chuck of the utility model.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the structural representation of quick-change connected set in the specific embodiment 1.

Fig. 4 is the structural representation of analysing and observe along E-E among Fig. 3, Fig. 5, Fig. 7.

Fig. 5 is the structural representation of quick-change connected set in the specific embodiment 2.

Fig. 6 is a drill chuck.

Fig. 7 is the structural representation of quick-change connected set in the specific embodiment 3.

Fig. 8 is a tap chuck.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:

As depicted in figs. 1 and 2, the handle body 1 front end inside of the efficient quick chuck of the utility model has the awl chamber 11 of 7:24, the cavity wall side in awl chamber 11 is provided with spring 12 and links with steel ball 13, and steel ball 13 is depressed outside not by spring 12 compressings and exposed the inner wall surface of boring chamber 11.

As shown in Figure 3 and Figure 4, the afterbody of quick-change connected set 2 has the awl end 21 of the 7:24 that the awl chamber 11 with handle body 1 matches, with the outer surface of steel ball 13 corresponding awl ends 21 on, also be provided with the groove 22 that can be absorbed in described steel ball 13; When identical putting in place, spring 12 will be oppressed small ball 13 and be appeared, and makes it just to be stuck in the middle of the groove 22, and handle body 1 and quick-change connected set 2 just connect into merit like this.The unsteady performance of whole connection is good, has improved flexility, and is simple and efficient.

Quick-change connected set 2 front ends also are provided with Morse's taper 23 structures of compatible drill bit or cutter.Specific embodiment 1 as shown in Figure 3, in the time will using bore hole or bore bigger aperture, adopt the boring cutter of band Morse taper shank or the drill bit of band Morse taper shank, therefore, quick-change connected set 2 front ends also are provided with corresponding mohs tapered bore, only taper shank need be inserted in this taper hole during connection to get final product.

Specific embodiment 2 when needs bore aperture, is then changed the quick-change connected set that can adorn Fig. 6 drill chuck as shown in Figure 5 and Figure 6, then drill bit is locked with it.

Specific embodiment 3 when the needs tapping, then adopts the tap chuck of band overload protection to cooperate with screw tap, and then is fit in the quick-change connected set as shown in Figure 7 and Figure 8.

At last, it should be noted that above what enumerate only is specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiment, and a lot of distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model all should be thought protection domain of the present utility model.

Claims

1. an efficient quick chuck is characterized in that, is constituted by handle body (1) and quick-change connected set (2); The front end inside of described handle body (1) has the awl chamber (11) of 7:24, and the afterbody of described quick-change connected set (2) also has the awl end (21) of the 7:24 that matches with described awl chamber (11), and described awl end (21) can embed in the described awl chamber (11); The front end of described quick-change connected set (2) also is provided with Morse's taper (23) structure of compatible drill bit or cutter.

2. efficient quick chuck according to claim 1 is characterized in that, the cavity wall side in described awl chamber (11) is provided with the structure that spring (12) and steel ball (13) link and cooperate; Described steel ball (13) is depressed outside not by described spring (12) compressing and is exposed the inner wall surface in described awl chamber (11).

3. efficient quick chuck according to claim 2 is characterized in that, on the outer surface of the corresponding described awl end of described steel ball (13) (21), also is provided with the groove (21) that can be absorbed in described steel ball (13).