CN209094981U - A kind of pneumatic quick-change collet - Google Patents

Abstract

The utility model relates to a kind of pneumatic quick-change collets, including sleeve and set core；It further include pneumatic mechanism, the pneumatic mechanism include pneumatic-finger and respectively with two sliding shoes are fixedly connected on pneumatic-finger clamping jaw, one end on each clamping jaw far from pneumatic-finger is equipped with thimble, thimble is fixed after passing through clamping jaw with clamping jaw, the stomata through thimble is equipped in thimble, set core is co-axially located in sleeve, and sleeve is equipped with the through-hole passed through for thimble, set in-core sets that there are two the deep holes that extend from lower end surface toward upper surface, the upper end of set core side wall is coaxially disposed there are two setting with through-hole, and the hole being connected to deep hole, each thimble across through-hole fixes set core after passing through set core, the lower end for covering core side wall is equipped at least two circular holes being connected to respectively with two deep holes；The utility model realizes efficient and convenient chuck replacing movement by the quick chuck of setting structure exquisiteness.

Description

A kind of pneumatic quick-change collet

Technical field

The utility model relates to a kind of pneumatic quick-change collets.

Background technique

Quick chuck is the advanced High efficient clamp (machine tool accessories) used when boring in machining, expanding, cut with scissors, attacking.This collet The replaceable sleeve of series, which uses, bores straight compound inserted mode, improves the precision, rigidity and the unfailing performance used of fixture.Collet Overall structure is exquisite rationally, and it is shorter that cutter stretches out main shaft, and just can replace cutter without parking in the very high situation of revolving speed, Non-cutting time can be effectively reduced, work efficiency is improved.Quick chuck is suitable for all kinds of numerical control drilling machines, boring machine and machine tool and adds in hole class Use when frequently replacing cutter in work.

Quick chuck technology breached now it is traditional can only process common low precision hole type parts, to essence Development in terms of close high-performance.Currently, quick chuck is cooled down in the gapless of most leading technology in the world in long field lathe worker Have factory to come out.Latest model quick chuck is mainly characterized in that: main body and matching for interchangeable knife handle is combined into full conical surface blind-mate, collet The interior refrigerating function that inside can be communicated with main shaft, can directly cool down cutter, and collet precision is high.The precision high-performance Collet is mainly used for numerical control drilling machine hole machined, can be widely used in more demanding hole machined technique.

Factory automation field, pneumatic element is using extremely wide, however when needing to replace pneumatic member in actuation cycle When part, existing method is to shut down replacement or using redundant unit, use different mechanisms for different pneumatic elements.It leads in this way It causes automation equipment mechanism complicated, and easily collides and damage redundant unit, it can not automatic lifting efficiency well.

Utility model content

The purpose of this utility model is a kind of pneumatic quick-change collet clear in structure, efficient work.

Realizing the technical solution of the utility model aim is: the utility model includes sleeve and set core；It further include pneumatic motor Structure, the pneumatic mechanism include pneumatic-finger and respectively with the clamping jaw that two sliding shoes are fixedly connected on pneumatic-finger, each folder One end on pawl far from pneumatic-finger is equipped with thimble, and thimble is fixed after passing through clamping jaw with clamping jaw, is equipped in thimble through thimble Stomata, set core are co-axially located in sleeve, and sleeve is equipped with the through-hole that passes through for thimble, and set in-core sets that there are two by lower end The deep hole that face extends toward upper surface, the upper end of set core side wall are set there are two being coaxially disposed with through-hole, and the hole being connected to deep hole, respectively A thimble across through-hole pass through set core after will set core fixes, set core side wall lower end be equipped at least two respectively with two deep holes The circular hole of connection.

Pipe fitting is fixed on each circular hole of above-mentioned set core side wall lower ends.

Above-mentioned set core side wall is equipped with guide groove, is equipped with the guide pad with guide groove cooperation sliding on the inside of sleeve, set core and Sleeve is slidably connected by the cooperation of guide groove and guide pad.

Above-mentioned sleeve is equipped with the socket being inserted into for guide pad, and guide pad is slided after being inserted into socket with the guide groove on set core Dynamic connection.

Above-mentioned set core is tapered cylinder, and the inner hole with the sleeve of set core cooperation is also tapered inner hole, the conical surface of tapered cylinder It is aligned with the conical surface of cone-shaped inner hole.

The utility model has the effect of positive: (1) the utility model passes through pneumatic-finger upper gripper jaw man in pneumatic mechanism Firmly set core will cover core and be fixed, efficiently convenient.

(2) the utility model on the circular hole of the lower end of set core side wall by being arranged multiple pipe fittings and the progress of other suction nozzles Connection.

(3) the utility model is arranged guide pad on the inner wall of sleeve and exists by the way that guide groove is arranged on the side wall of set core When carrying out set core replacement, prevent the direction in docking of set core from misplacing.

(4) the utility model prevents set core by the way that guide pad is slidably connected with guide groove in the way to insert Stuck situation occurs in sleeve.

(5) the utility model, can be effective by the way that the shape of guide pad and hub internal bore are shaped to taper Set core is limited and fixed, it is very convenient.

Detailed description of the invention

In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached Figure, is described in further detail the utility model, wherein

Fig. 1 is the overall structure diagram of pneumatic quick-change collet in the utility model；

Fig. 2 is the top view of pneumatic quick-change collet in the utility model；

Fig. 3 is the cross-sectional view in Fig. 2 at A-A；

Fig. 4 is the overall structure diagram that the utility model middle sleeve is connected with set core；

Fig. 5 is the top view that the utility model middle sleeve is connected with set core；

Fig. 6 is the cross-sectional view in Fig. 5 at B-B.

Specific embodiment

See that Fig. 1 to Fig. 6, the utility model have sleeve 1 and set core 2, further includes pneumatic mechanism, the pneumatic mechanism includes Pneumatic-finger 3 and respectively with the clamping jaw 4 that two sliding shoes are fixedly connected on pneumatic-finger 3, far from pneumatic-finger on each clamping jaw 4 3 one end is equipped with thimble 41, and thimble 41 passes through, the thimble 41 interior stomata that is equipped with through thimble 41 fixed with clamping jaw 4 after clamping jaw 4 411, set core 2 is co-axially located in sleeve 1, and sleeve 1 is equipped with the through-hole 11 passed through for thimble 41, is equipped with two in set core 2 A deep hole 21 extended from lower end surface toward upper surface, set 2 side wall of core upper end set there are two with through-hole 11 be coaxially disposed, and with depth The hole 24 that hole 21 is connected to, each thimble 41 across through-hole 11 is fixed by set core 2 after set core 2, and the lower end for covering 2 side wall of core is set Two circular holes 22 being connected to respectively with two deep holes 21 are fixed with pipe on each circular hole 22 of 2 side wall lower ends of set core and connect First 221；It covers 2 side wall of core and is equipped with guide groove 12, the guide pad 23 with the cooperation sliding of guide groove 12 is equipped on the inside of sleeve 1, covers core 2 It is slidably connected with sleeve 1 by the cooperation of guide groove 12 and guide pad 23, the sleeve 1 is equipped with to be inserted for guide pad 23 The socket entered, guide pad 23 are slidably connected after being inserted into socket with the guide groove 12 on set core 2, and the set core 2 is tapered cylinder, with The inner hole for covering the sleeve 1 that core 2 cooperates also is tapered inner hole, and the conical surface of tapered cylinder is aligned with the conical surface of cone-shaped inner hole.

Working principle of the utility model is: the replacement of set core 2 is controlled in the utility model by setting pneumatic-finger 3, When pneumatic-finger 3 opens, thimble 41 is deviate from, and set core 2 can then release installation taper hole by self weight, then carries out set core 2 more It changes, when the pneumatic-finger 3 on sleeve 1 is closed, is clamped in the insertion set core 2 of thimble 41 and by set core 2, while the gas on thimble 41 Hole 411, the deep hole 21 in set core 2 and pipe fitting 211 are connected, and form a ventilating return, the pipe fitting 211 covered on core 2 can It is added according to actually required connector quantity.

Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap Containing being within the protection scope of the utility model.

Claims (5)

1. a kind of pneumatic quick-change collet, including sleeve (1) He Taoxin (2)；It is characterized by also including pneumatic mechanism, the gas Motivation structure includes pneumatic-finger (3) and the clamping jaw (4) that is fixedly connected respectively with upper two sliding shoes of pneumatic-finger (3), each folder One end on pawl (4) far from pneumatic-finger (3) is equipped with thimble (41), and thimble (41) passes through clamping jaw (4) and fixes afterwards with clamping jaw (4), The stomata (411) through thimble (41) is equipped in thimble (41), set core (2) is co-axially located in sleeve (1), and on sleeve (1) Equipped with the through-hole (11) passed through for thimble (41), the deep hole extended there are two setting in core (2) from lower end surface toward upper surface is covered (21), the upper end for covering core (2) side wall is set there are two being coaxially disposed with through-hole (11), and the hole (24) being connected to deep hole (21), respectively A thimble (41) across through-hole (11) fixes set core (2) after passing through set core (2), and the lower end of set core (2) side wall is equipped at least Two circular holes (22) being connected to respectively with two deep holes (21).

2. a kind of pneumatic quick-change collet according to claim 1, it is characterised in that: set core (2) side wall lower ends it is each Pipe fitting (221) are fixed on a circular hole (22).

3. a kind of pneumatic quick-change collet according to claim 1, it is characterised in that: set core (2) side wall is equipped with and leads To slot (12), it is equipped with the guide pad (23) with guide groove (12) cooperation sliding on the inside of sleeve (1), covers core (2) and sleeve (1) passes through The cooperation of guide groove (12) and guide pad (23) is slidably connected.

4. a kind of pneumatic quick-change collet according to claim 3, it is characterised in that: the sleeve (1) is equipped with for leading The socket being inserted into block (23), guide pad (23) are slidably connected after being inserted into socket with the guide groove (12) on set core (2).

5. according to claim 1 to a kind of 4 one of them described pneumatic quick-change collet, it is characterised in that: the set core (2) is Tapered cylinder, the inner hole with the sleeve (1) of set core (2) cooperation is also tapered inner hole, the conical surface of tapered cylinder and cone-shaped inner hole Conical surface alignment.