CN202169505U

CN202169505U - Automatic clamping-type numerical control module

Info

Publication number: CN202169505U
Application number: CN2011203026984U
Authority: CN
Inventors: 刘长江
Original assignee: Wenzhou Polytechnic
Current assignee: Wenzhou Polytechnic
Priority date: 2011-08-10
Filing date: 2011-08-10
Publication date: 2012-03-21
Anticipated expiration: 2021-08-10

Abstract

The utility model relates to a tool module used for machine manufacturing, especially an automatic clamping-type numerical control module used for realizing the clamping and the revolution motion of work pieces. The automatic clamping-type numerical control module comprises a support, a left end cover and a right end cover, which are fixedly connected with the support, a jacket movably connected with the support through a bearing, a chuck disposed in the jacket, a driving shaft fixedly connected with the chuck, and a piston movably connected with the driving shaft. A shape of a second slip ring of the piston is cooperated with a fluid cavity in the support. The support is provided with a fluid inlet/outlet port, which is connected to the fluid cavity. The piston can be driven by the fluid to slide in the support. A first guiding groove is disposed in the driving shaft along the axial direction. A key is disposed in the first guiding groove, and the shape of the key is cooperated with the first guiding groove. A second sliding groove is disposed in the chuck, and is cooperated with the key.

Description

Automatic clamped-in style numerical control module

Technical field

The utility model relates to a kind of frock module that is used for machine-building, especially for realizing the clamping of workpiece and doing the accurate frock module of gyration.

Background technology

In the existing machine tool anchor clamps, for the less optical axis class part of diameter, generally all be to adopt collet to clamp, the endoporus of collet is installed workpiece, and has several grooves, can make collet radially produce the micro-deformation clamping work pieces; The male cone (strobilus masculinus) of collet cooperates with the inner conical surface of chuck; Chuck be fixed on the main shaft or the fixed structure of lathe on; The inner of collet is connected with pull bar, utilizes the pulling of pull bar, makes the relative chuck of collet produce axially-movable; Because the effect of the male cone (strobilus masculinus) of collet and the inner conical surface of chuck makes collet contraction clip clamping of workpieces.Existing above-mentioned anchor clamps generally are used for revolution processing, and the employing clamp mechanism combines with rotary motion mechanism.Pull bar relies on the operator manually to strain, and makes the relative chuck of collet produce axially-movable, thereby chuck is shunk and clamping work pieces.The pull bar operation is wasted time and energy, and makes production efficiency low, can not satisfy intense market competition day by day.

In actual processing, often run into some workpiece requirements and in the once mounting of anchor clamps, process one group of surface, and this group surface distributes by certain angle.Like this, just require these anchor clamps in workpiece process, can carry out calibration, promptly workpiece whenever processes after the surface in clamping, turns over certain angle through the moving part on the anchor clamps together with workpiece, to change the position of finished surface.

The utility model content

The purpose of the utility model is to provide a kind of frock module; Can automatically realize clamping and revolution to workpiece; This use new structure is compact, and clamp mechanism and slew gear have been realized organically combining, and is realizing that can drive workpiece to workpiece after stable the clamping does precision rotating.

A kind of automatic clamped-in style numerical control module; Comprise left end cap that support and support are connected and right end cap, be connected to the chuck on the said support, said chuck set inside versatilely through bearing chuck is arranged, be fixedly connected on the driving shaft on the said chuck, the said driving shaft and be connected with piston versatilely; The profile of second slip ring of said piston and the fluid cavity on the said support are complementary; Said support is provided with stream socket; And be connected to fluid cavity, and slide at said internal stent through the said piston of fluid drives, have first gathering sill in axial direction on the said driving shaft; Key in that the said first gathering sill set inside has profile to be complementary with it has second sliding tray that is complementary with said key on the said chuck.

Preferably, said left end cap is provided with lug, and said lug cylindrical and said fluid cavity are complementary, and the interior circle of said lug and first slip ring on the said piston are complementary.

Preferably, said internal stent is provided with interior ring, and said interior ring extends to its central axial direction from the matrix of said support, and is complementary with said the 3rd slip ring.

Preferably, said key is an A type key, said second sliding tray along the length of axis direction greater than said key length.

Preferably, the cooperation of said key and said first gathering sill is interference fits or interference fit.

Preferably, the cooperation of said key and said second sliding tray is a matched in clearance.

Preferably, the end positions place on the said piston axis direction is provided with two clutch shaft bearings, and said clutch shaft bearing places in the endoporus of said piston, and withstands on the shaft shoulder and the said left end cap of said driving shaft and axial restraint.

Preferably, the set inside of said chuck has internal thread, and the right part of said driving shaft is provided with the external screw thread that is complementary with said internal thread.

The beneficial effect of the utility model is:

Through in said import and export, injecting or the eliminating fluid; Can drive said piston and drive driving shaft and move along axis direction together by piston; The right part of said driving shaft drives chuck through being threaded and axially moves; The male cone (strobilus masculinus) of said chuck and the inner conical surface of said chuck are complementary, and said chuck is provided with some seams, and realize clamping or unclamping.

Description of drawings

Fig. 1 is the outside general structure sketch map under the assembled state of the automatic clamped-in style numerical control of the utility model module;

Fig. 2 is the complete section structural representation of the automatic clamped-in style numerical control of the utility model module;

Fig. 3 is driving shaft and the assembly structure sketch map of key on the automatic clamped-in style numerical control of the utility model module;

Fig. 4 is the structural representation of the collet on the automatic clamped-in style numerical control of the utility model module.

The specific embodiment

To combine accompanying drawing that the utility model is done to specify further below, but not constitute any restriction the utility model.

Fig. 1 is the outside general structure sketch map under the assembled state of the automatic clamped-in style numerical control of the utility model module, and Fig. 2 is the complete section structural representation of the automatic clamped-in style numerical control of the utility model module.A kind of automatic clamped-in style numerical control module; Comprise left end cap 20 that support 10 and support 10 are connected and right end cap 30, be connected to the chuck 40 on the said support 10, said chuck 40 set inside versatilely through bearing 41 chuck 50 is arranged, be fixedly connected to driving shaft 70 on the said chuck 50, be connected with piston 60 versatilely on the said driving shaft 70; The profile of second slip ring 65 of said piston 60 and the fluid cavity 15 on the said support are complementary; Said support 10 is provided with stream socket 14; And be connected to fluid cavity 15, through the said piston 60 of fluid drives in said support 10 slides within.

Fig. 3 is driving shaft and the assembly structure sketch map of key on the automatic clamped-in style numerical control of the utility model module; Have first gathering sill 72 in axial direction on the said driving shaft 70; Key 71 in that said first gathering sill, 72 set inside have profile to be complementary with it has second sliding tray 42 that is complementary with said key 71 on the said chuck 40.

More specifically, said left end cap 20 is provided with lug 21, and said lug 21 cylindricals and said fluid cavity 15 are complementary, and first slip ring 62 on the interior circle of said lug 21 and the said piston 60 is complementary.

More specifically, ring 17 in said support 10 set inside have, said interior ring 17 extends to its central axial direction from the matrix of said support 10, and is complementary with said the 3rd slip ring 63.

More specifically, said key 71 is an A type key, and said second sliding tray 42 is along the length of the axis direction length greater than said key 71.

More specifically, the cooperation of said key 71 and said first gathering sill 72 is interference fits or interference fit.

More specifically, the cooperation of said key 71 and said second sliding tray 42 is a matched in clearance.

More specifically, the end positions place on said piston 70 axis directions is provided with two clutch shaft bearings 61, and said clutch shaft bearing 61 places in the endoporus of said piston 60, and withstands on the shaft shoulder and the said left end cap 20 of said driving shaft 70 and axial restraint.

More specifically, the set inside of said chuck 50 has internal thread 51, and the right part 30 of said driving shaft 70 is provided with the external screw thread 74 that is complementary with said internal thread 51.

Below in conjunction with the structure of the utility model, the once course of work and the operation principle of the utility model are described:

Fig. 4 is the structural representation of the collet on the automatic clamped-in style numerical control of the utility model module, and the male cone (strobilus masculinus) 54 of said chuck 50 and the inner conical surface 43 of said chuck 40 are complementary, and said chuck 50 is provided with some seams 53, and workpiece places cavity volume 52.

Through injecting or get rid of fluid for 14 li toward said import and export; Can drive said piston 60 and drive driving shaft 70 and move along axis direction together by piston 60; The right part of said driving shaft drives chuck 50 through being threaded and axially moves, and realizes clamping or unclamping.

At last, should be pointed out that above embodiment only is the more representational example of the utility model.Obviously, the utility model is not limited to the foregoing description, and many distortion can also be arranged.Every technical spirit according to the utility model is to any simple modification, equivalent variations and modification that above embodiment did, all should think the protection domain that belongs to the utility model.

Claims

1. automatic clamped-in style numerical control module; Comprise left end cap that support and support are connected and right end cap, through bearing be connected to the chuck on the said support versatilely, said chuck set inside has chuck; It is characterized in that, also comprise: be fixedly connected on the driving shaft on the said chuck, the said driving shaft and be connected with piston versatilely, the profile of second slip ring of said piston and the fluid cavity on the said support are complementary; Said support is provided with stream socket; And be connected to fluid cavity, and slide at said internal stent through the said piston of fluid drives, have first gathering sill in axial direction on the said driving shaft; Key in that the said first gathering sill set inside has profile to be complementary with it has second sliding tray that is complementary with said key on the said chuck.