CN201076922Y

CN201076922Y - Tool collet with water outlet structure

Info

Publication number: CN201076922Y
Application number: CNU2007200075361U
Authority: CN
Inventors: 陈金堆
Original assignee: Zhangzhou Shengyuan Machinery Industrial Co ltd
Current assignee: Zhangzhou Shengyuan Machinery Industrial Co ltd
Priority date: 2007-07-03
Filing date: 2007-07-03
Publication date: 2008-06-25
Anticipated expiration: 2017-07-03

Abstract

A tool collet with water outlet structure is provided with a collet body, wherein the collet body forms an outer end surface and an inner end surface on two end surfaces respectively, a ring groove is concavely arranged on the front end part of the periphery in a surrounding manner, a tool clamp hole is arranged in the axis position in a penetrating manner, a plurality of mutually spaced external grooves are annularly arranged on the collet body from the outer end surface to the inner end surface, a plurality of mutually spaced internal grooves are annularly arranged between the external grooves from the inner end surface to the outer end surface, more than one water outlet channel is respectively arranged between the adjacent external grooves on the peripheral wall of the tool clamp hole from the outer end surface to the back, the size of each water outlet channel is small in front and large in back, the back end of each water outlet channel is communicated with the front end of the corresponding internal groove, when cooling liquid is injected from the back end of the collet body, the cooling liquid flows into each water outlet channel forwards from the internal groove corresponding to the water outlet channel, the cooling liquid is sprayed forwards, and is closely adjacent to an inserted tool, therefore, the discharged cooling liquid has enough flow and can be intensively used for cooling the cutter.

Description

The cutter collet chuck of tool water-supplying structure

Technical field:

The utility model relates to a kind of collet chuck, especially refer to a kind of by exhalent canal setting and increase the cutter collet chuck of the tool water-supplying structure of cooling fluid water outlet efficient.

Background technology:

Prior art is an existing collet chuck shown in the figure please referring to Fig. 5, Fig. 6, and it is provided with:

One collet chuck body 40, collet chuck body 40 forms an outer face 41 and an inner face 42 for tubular in both ends of the surface, and being arranged with a ring groove 43 near 41 places, outer face in periphery, the surface between groove 43 and outer face 41 and inner face 42 peripheries is all the inclined-plane that bring together the outer end.

Collet chuck body 40 is equipped with a cutter folder hole 44 in the position, axle center, and by the grooving 45 that is provided with a plurality of spaces between outer face 41 and the inner face 42 around cutter folder hole 44, each grooving 45 oblique setting, and form opening in the periphery of cutter folder hole 44 and collet chuck body 40, and each tightens comparatively and does not cut open between the cutter folder hole 44 and make collet chuck to use with adjacent grooving 4545 respectively around each grooving 45 that is provided with in end opposite.

When existing collet chuck uses, be located at collet chuck body 40 in the cone tank 51 of knife bar 50 with inner face 42 1 end plugs, and after being embedded in groove 43 with the inner peripheral of a nut 52, nut 52 screw locks are gone into the free end of knife bar 50, whereby can nut 52 that collet chuck body 40 is urgent to cone tank 51, the cutter 60 that will wherein have runner 61 simultaneously is inserted in the cutter folder hole 44, then with nut 52 to knife bar 50 screw locks, urgent by nut 52 with the pinching of bellmouth 51, make cutter folder hole 44 tighten cutter 60, and because collet chuck body 40 is provided with a plurality of groovings 45, make collet chuck body 40 can reach radially bigger deformation, therefore have better clipping effect.

Yet, seepage cooling fluid forward still after though each grooving 45 of above-mentioned existing collet chuck is brought together, but cooling fluid is mainly still flowed out with as cooling fluid by the runner 61 of cutter 60, therefore, when plugging the location with cutter folder hole 44 when not being provided with the cutter of runner, the cooling fluid that is flowed out forward by each grooving 45 is not except concentrating on cutter sentences, water yield is also less, therefore, reduced the efficient of cooling, necessity of further improvement has been arranged.

The utility model content:

Because existing cutter collet chuck plugs when not being provided with the cutter of runner, have the shortcoming that cooling fluid is difficult for concentrating the cutter ejection forward and is difficult for getting rid of scrap, in view of this, the purpose of this utility model is: the cutter collet chuck offers the technological means of exhalent canal, solves above-mentioned cooling fluid whereby and is difficult for concentrating cutter to flow out and be difficult for getting rid of the technical problem of scrap forward.

For reaching above-mentioned purpose, the utility model adopts following technical scheme:

The cutter collet chuck of tool water-supplying structure, it is provided with a collet chuck body, this collet chuck body forms an outer face and an inner face respectively in both ends of the surface, and in the leading section of periphery around being arranged with a ring groove, be equipped with a cutter folder hole in shaft core position, this collet chuck body by the outer face inwardly end face ring be arranged with the outer grooving of a plurality of spaces, and outside each between the grooving by inner face outwardly end face ring be arranged with a plurality of undercut slots spaced apart from each other, the perisporium of cutter folder hole in the outer face offer backwards lay respectively at more than one adjacent outside exhalent canal between the grooving, the size of each exhalent canal is pre-small post-large and the rear end communicates with corresponding undercut slots front end.

In the perisporium opposite position of described cutter folder hole form two lay respectively at adjacent outside between the grooving the exhalent canal of stating.

Form the ditch bottom surface of an indent in the middle of described each exhalent canal inner face, each ditch bottom surface is the rear end degree of depth inclined-plane shallow than front end.

Described each exhalent canal is the last spill ditch of front and back degree of depth unanimity, and forms the more shallow export department of a degree of depth in front end.

During the utility model utilization, be located at for plug in the cone tank of knife bar, and after being embedded in groove with a nut, screw lock is gone into the front end of knife bar again, simultaneously cutter is inserted in the cutter folder hole, then with nut to the knife bar screw lock, urgent by the pinching of nut and cone tank, cooperate the design of bringing together of each undercut slots and outer grooving, make the cutter folder hole tighten cutter really and be located.

When injecting cooling fluid by collet chuck body rear end, cooling fluid can flow into each exhalent canal forward by the undercut slots of corresponding exhalent canal, by the pre-small post-large design of each exhalent canal, with cooling fluid ejection effect forward, and because the cutter that the exhalent canal next-door neighbour plugs, therefore the cooling fluid that flows out is enough except flow, also can concentrate and be used to cool off the cutter use, whereby, the utility model can provide the effect of the cutter cooling that is not provided with runner, promotes the efficient of cooling fluid and strengthens the outflow of scrap with the flow velocity that strengthens.

Description of drawings:

Fig. 1 is the stereogram of the utility model embodiment one;

Fig. 2 is the side cutaway view of the utility model embodiment one;

Fig. 3 is the enforcement schematic diagram of the utility model embodiment one;

Fig. 4 is the side cutaway view of the utility model embodiment two;

Fig. 5 is the stereogram of the utility model prior art collet chuck;

Fig. 6 is the enforcement schematic diagram of the utility model prior art collet chuck.

The specific embodiment:

The utility model is the cutter collet chuck of tool water-supplying structure, referring to Fig. 1-Fig. 3 is embodiment one, it is provided with a collet chuck body 10, collet chuck body 10 forms an outer face 11 and an inner face 12 for tubular respectively in both ends of the surface, and in the leading section of periphery around being arranged with a circle shape groove 13, collet chuck body 10 is equipped with a cutter folder hole 14 in the position, axle center, and in outer face 11 towards inner face 12 directional rings around this cutter folder hole 14 be provided with six mutual equally spaced outside grooving 15, each outer grooving 15 is in the outer face 11, the periphery wall of the perisporium of cutter folder hole 14 and collet chuck body 10 forms opening, and each outer grooving 15 its axial length that are shorter in length than collet chuck body 10.

This collet chuck body 10 also 11 is provided with six mutual equally spaced undercut slots 16 around this cutter folder hole 14 by inner face 12 towards the outer face between the grooving 15 outside each, each undercut slots 16 forms opening, each undercut slots 16 its axial length that are shorter in length than collet chuck body 10 in the perisporium of inner face 12, cutter folder hole 14 and the periphery wall of collet chuck body 10.

In the perisporium opposite position of cutter folder hole 14 offer backwards by outer face 11 two lay respectively at adjacent outside water outlet groove 17 between the grooving 15, form the ditch bottom surface 171 of an indent in the middle of each water outlet groove 17 inner face, each ditch bottom surface 171 is the rear end degree of depth inclined-plane shallow than front end, whereby, the size of using water groove 17 forms pre-small post-large form, each water outlet groove 17 rear end also communicates with corresponding undercut slots 16 front ends respectively, is drawn by undercut slots 16 places of correspondence whereby to connect cooling fluid.

The quantity of embodiment one undercut slots 16 and outer grooving 15 also can be done other quantity setting except that above-mentioned six, and exhalent canal 17 can only be provided with one, perhaps also can be provided with the setting above two, and the utility model does not add restriction at this.

When the utility model uses, see also Fig. 2, Fig. 3, it establishes in the taper surface 21 of a knife bar 20 with inner face 12 1 end plugs, and after the inner peripheral of only nut 22 is embedded in groove 13, nut 22 screw locks are gone into the free end of knife bar 20, simultaneously cutter 30 is inserted in the cutter folder hole 14, then with nut 22 to knife bar 20 screw locks, urgent by nut 22 with the pinching of cone tank 21, cooperate brought together the design of each undercut slots 16 and outer grooving 15, make cutter folder hole 14 tighten cutter 30 really and be located.

When injecting cooling fluid by collet chuck body 10 rear ends, cooling fluid can be flowed into each exhalent canal 17 by the undercut slots 16 of corresponding exhalent canal 17 forward, by 17 designs of pre-small post-large exhalent canal, with cooling fluid ejection effect forward, because the cutter 30 that adjoining cutter folder hole 14 of the front opening of exhalent canal 17 and next-door neighbour are plugged, therefore the cooling fluid that flows out can be concentrated and be used to cool off the cutter use, and flow is also sufficient, promotes the efficient of cooling cutter 30 whereby.

Seeing also Fig. 4 is embodiment two, it is the shape of the exhalent canal of embodiment one for a change, and the exhalent canal 17A of embodiment two is the last spill ditch of front and back degree of depth unanimity, and forms the more shallow 171A of export department of a degree of depth in front end, because the remainder of embodiment two is identical with embodiment one, does not give unnecessary details at this.

Claims

1. have a cutter collet chuck of water-supplying structure, it is provided with a collet chuck body, this collet chuck body forms an outer face and an inner face respectively in both ends of the surface, and in the leading section of periphery around being arranged with a ring groove, be equipped with a cutter folder hole in shaft core position, this collet chuck body by the outer face inwardly end face ring be arranged with the outer grooving of a plurality of spaces, and outside each between the grooving by inner face outwardly end face ring be arranged with a plurality of undercut slots spaced apart from each other, it is characterized in that: the perisporium of cutter folder hole in the outer face offer backwards lay respectively at more than one adjacent outside exhalent canal between the grooving, the size of each exhalent canal is pre-small post-large and the rear end communicates with corresponding undercut slots front end.

2. the cutter collet chuck of tool water-supplying structure as claimed in claim 1 is characterized in that: in the perisporium opposite position of described cutter folder hole form two lay respectively at adjacent outside between the grooving the exhalent canal of stating.

3. the cutter collet chuck of tool water-supplying structure as claimed in claim 1 or 2 is characterized in that: form the ditch bottom surface of an indent in the middle of described each exhalent canal inner face, each ditch bottom surface is the rear end degree of depth inclined-plane shallow than front end.

4. the cutter collet chuck of tool water-supplying structure as claimed in claim 1 or 2 is characterized in that: described each exhalent canal is the last spill ditch of front and back degree of depth unanimity, and forms the more shallow export department of a degree of depth in front end.