CN202137620U

CN202137620U - Thin-wall workpiece machining clamp

Info

Publication number: CN202137620U
Application number: CN201120195298U
Authority: CN
Inventors: 王雪峰
Original assignee: SUZHOU HUAYA TELECOMMUNICATIONS EQUIPMENT CO Ltd
Current assignee: Suzhou Huaya intelligent Polytron Technologies Inc
Priority date: 2011-06-10
Filing date: 2011-06-10
Publication date: 2012-02-08
Anticipated expiration: 2021-06-10

Abstract

The utility model relates to the technique field of mechanical machining and provides a thin-wall workpiece machining clamp. According to the utility model, a thin-wall workpiece is fixed through a main mandrel and a locking screw and the main mandrel and the locking screw are mutually cooperated with each other. Therefore, the workpiece is clamped without the aid of an external force and the workpiece is completely fixed and locked. The deformation amount of the workpiece caused by the clamping of the external force is reduced and the jumping of the workpiece during the rotation process is reduced and avoided. The workpiece is stably clamped and machined. During the turning and machining process, since the workpiece is in full contact with the main mandrel, the deformation amount of the workpiece is reduced.

Description

A kind of thin-wall part Vehicle Processing anchor clamps

Technical field

The utility model relates to the Machining Technology field, particularly a kind of thin-wall part Vehicle Processing anchor clamps.

Background technology

Vehicle Processing (claiming machined into again) is the some of machining; Mainly be the workpiece that rotates to be carried out turning processing with lathe tool; Except that lathe tool, also available drill bit, reamer, reamer, screw tap, screw die and checkering tool etc. are processed workpiece accordingly on lathe.Vehicle Processing is mainly used in and processes axle, dish, overlaps and other have the workpiece of rotary surface, is to use one type of the widest machine tooling in machine-building and the repair factory.

At present in Vehicle Processing, especially during the Digit Control Machine Tool Vehicle Processing, one type of workpiece often will handling is a thin-wall part; thin-wall workpiece is applied in each industrial department, like automobile component; space flight and aviation, track traffic etc. because have characteristics such as in light weight, economical with materials, compact conformation increasingly extensively; But the processing of thin-wall part is more thorny; Reason is thin-wall part poor rigidity, weak strength; In the turning industry, exist the problem of thin-wall part turning machining deformation, and what of deflection can not get effective control always always, be difficult for guaranteeing the crudy of part.So how to solve the problem of thin-wall part machining deformation, the control deflection all has very significance in the middle of whole mechanical processing industry.

Thin-wall part is general at present to adopt the mode of numerical control turning to process; The factor that influences the thin-walled parts machining accuracy has a lot; Directly mainly contain following three aspects but conclude: (1) stress deformation; Because of workpiece wall is thin, under the effect of clamping force, be easy to generate distortion, thereby influence the dimensional accuracy and the form accuracy of workpiece; (2) temperature distortion, because of workpiece is thinner, heat in metal cutting can cause the workpiece thermal deformation, makes workpiece size be difficult to control; (3) vibration deformation under the effect of cutting force (particularly radial cutting force), makes workpiece deformation thereby be easy to produce vibration, influences dimensional accuracy, shape, positional precision and the surface roughness of workpiece.The generation of these distortion is all irregular usually, can't be controlled and each workpiece to add the distortion that produces man-hour all not necessarily identical, thereby greatly influenced the machining accuracy of thin-wall part.

In addition, the precision of thin-wall workpiece and Geometrical Tolerance Principle itself is just higher than the processing request of general workpiece, and the problems referred to above have more caused the product quality of batch machining thin-wall part to be difficult to control.In traditional design of electrical motor; For improving the excircle of thin-walled workpiece crudy; Common way is to stay bigger turning surplus, but this method is in waste material, and machining accuracy also is difficult to guarantee; And the problem of this method and the distortion of unresolved thin-wall part, also can't effectively control product quality.

The utility model content

The technical problem that (one) will solve

To above-mentioned shortcoming, the utility model provides a kind of thin-wall part Vehicle Processing anchor clamps in order to solve the problem of existing thin-wall part Vehicle Processing distortion, can effectively control and reduce the deflection of product, improves the quality of product.

(2) technical scheme

Solve the problems of the technologies described above, the utility model specifically adopts following scheme to carry out for this reason:

The utility model provides a kind of thin-wall part Vehicle Processing anchor clamps, and said anchor clamps comprise: main body plug 1 and lock-screw 2;

Wherein, said main body plug 1 core has two coaxial holes, and two coaxial hole shapes of said lock-screw 2 and this cooperatively interact, and extend into said main body plug 1 inside through these two coaxial holes.

Preferably, said main body plug 1 is cylindric, and said two coaxial holes are screwed hole 101 and tapered hole 102, and said screwed hole 101 be cylindric perforate, and said tapered hole 102 is the taper perforate, is provided with screw thread at the inner surface of said screwed hole 101.

Preferably, the head 201 of said lock-screw 2 is cylindric for what match with said screwed hole 101, and its outer surface is provided with screw thread; The tapering part 202 of the rear portion of said lock-screw 2 for matching with said tapered hole 102; The bottom of said lock-screw 2 has the fluting 203 of the said lock-screw of can screwing.

Preferably, said main body plug 1 inside along radial direction and with said two coaxial hole vertical direction on have 4 groups of perforates 103, every group of perforate 103 links to each other with an outside U-lag 104 of said main body plug.

(3) beneficial effect

The utility model by means of external force de-clamping workpiece, does not reach the purpose that is completely fixed and locks workpiece through the fixing thin-wall part of the main body plug that cooperatively interacts and lock-screw; Reduced the deflection of outside chucking power to piece-holder; Reduce and avoided workpiece beating in rotation; Clamping is stable with processing, in the turning process, because of workpiece contacts with the main body plug fully, has reduced the deflection of workpiece again.

Description of drawings

Fig. 1 is the structural representation of the disclosed thin-wall part Vehicle Processing of the utility model anchor clamps;

Fig. 2 is the structural representation of the main body plug of the disclosed thin-wall part Vehicle Processing of the utility model anchor clamps;

Fig. 3 is the structural representation of the lock-screw of the disclosed thin-wall part Vehicle Processing of the utility model anchor clamps.

The specific embodiment

To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment is a part of embodiment of the utility model, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope that the utility model is protected.

At first, referring to Fig. 1, the thin-wall part Vehicle Processing anchor clamps in the utility model mainly comprise main body plug and two parts of lock-screw; Wherein, The main body plug is cylindric, and its core has two coaxial holes: tapered hole and screwed hole, screwed hole are cylindric perforate; Tapered hole is the taper perforate, is provided with screw thread at the inner surface of screwed hole; Said lock-screw extend into main body plug inside through these two coaxial holes.

Again referring to Fig. 2, along radial direction, and also have 4 groups of 8 holes on tapered hole and the screwed hole vertical direction in main body plug inside, these 4 groups of perforates are along the even branch of cylindrical 360 degree; 4 U-lags that link to each other with these 4 groups of perforates are also along the even branch of cylindrical 360 degree.

Then referring to Fig. 3; The head of lock-screw is cylindric, and is roughly suitable with the screwed hole diameter, and its outer surface is provided with screw thread; Extend into the main body plug when inner with the threaded engagement of the screwed hole inner surface of main body plug, and the fluting rotational lock screw bottom lock-screw forms fixing; The rear portion of lock-screw is the tapering part; The taper and the tapered hole shape of this tapering part are roughly suitable; Stretch in the tapered hole and cooperate with the main body plug, when screwing said lock-screw, this tapering partly makes the main body plug expand; 4 outside U-lags of main body plug strut, to reach the purpose that is completely fixed and locks workpiece.

The thin-wall part Vehicle Processing anchor clamps advantage of the utility model is: by means of external force de-clamping workpiece, do not reach the purpose that is completely fixed and locks workpiece; Reduced the deflection of outside chucking power to piece-holder; Reduce and avoided workpiece beating in rotation; Clamping is stable with processing, in the turning process, because of workpiece contacts with the main body plug fully, has reduced the deflection of workpiece again.

Above embodiment only is used to explain the utility model; And be not the restriction to the utility model; The those of ordinary skill in relevant technologies field under the situation of spirit that does not break away from the utility model and scope, can also be made various variations and modification; Therefore all technical schemes that are equal to also belong to the category of the utility model, and the real protection scope of the utility model should be defined by the claims.

Claims

1. thin-wall part Vehicle Processing anchor clamps is characterized in that said anchor clamps comprise: main body plug (1) and lock-screw (2);

Wherein, said main body plug (1) core has two coaxial holes, and two coaxial hole shapes of said lock-screw (2) and this cooperatively interact, and extend into said main body plug (1) inside through these two coaxial holes.

2. anchor clamps according to claim 1; It is characterized in that; Said main body plug (1) is cylindric, and said two coaxial holes are screwed hole (101) and tapered hole (102), and said screwed hole (101) is cylindric perforate; Said tapered hole (102) is the taper perforate, is provided with screw thread at the inner surface of said screwed hole (101).

3. anchor clamps according to claim 2 is characterized in that, the head (201) of said lock-screw (2) is cylindric for what match with said screwed hole (101), and its outer surface is provided with screw thread; The tapering part (202) of the rear portion of said lock-screw (2) for matching with said tapered hole (102); The bottom of said lock-screw (2) has the fluting (203) of the said lock-screw of can screwing.

4. according to each described anchor clamps of claim 1-3; It is characterized in that; Said main body plug (1) inner along radial direction and with said two coaxial hole vertical direction on have 4 groups of perforates (103), every group of perforate (103) links to each other with a U-lag (104) of said main body plug outside.