CN203526598U - Lathe finish turning clamp - Google Patents
Lathe finish turning clamp Download PDFInfo
- Publication number
- CN203526598U CN203526598U CN201320530406.1U CN201320530406U CN203526598U CN 203526598 U CN203526598 U CN 203526598U CN 201320530406 U CN201320530406 U CN 201320530406U CN 203526598 U CN203526598 U CN 203526598U
- Authority
- CN
- China
- Prior art keywords
- lathe
- workpiece
- chuck
- soft pawl
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a lathe finish turning clamp which comprises a chuck soft claw and a locating mandrel. The chuck shaft claw comprises a hydraulic chuck and at least two soft claw blanks. The soft claw blanks are assembled on the hydraulic chuck and are flush with the same end face. An inner hole is formed by the opposite faces of the soft claw blanks together. The locating mandrel comprises a handle portion. The handle portion is connected with the inner hole. Outer threads connected with a workpiece are arranged at one end of the handle portion. According to the lathe finish turning clamp, a locating step face of an existing clamp is omitted, so that the structure is simple and the manufacturing difficulty of the clamp is reduced; meanwhile, due to the fact that loading operation and unloading operation of the workpiece are not conducted on a lathe, process auxiliary time is shortened from 60 seconds to about 15 seconds, and the production efficiency is improved. Due to the fact that the workpiece can be easily taken out of the clamp, the surface appearance quality of the workpiece is greatly improved.
Description
Technical field
The utility model relates to turning attachment, specifically a kind of lathe lathe finish fixture.
Background technology
The turning attachment of the axial workpiece that internal thread is positioning datum is take in conventional turning, and this fixture is fixed on lathe dog, and its structure is shank, external screw thread and positioning step, and workpiece is located and clamped by internal thread and end face; In process, effect due to cutting force, product end surface is close on positioning table terrace, cause getting product difficulty, conventionally use aluminum instrument that product is struck to pine, then screw out screw thread, expend so a large amount of time and labors, and upper and lower part can only carry out on lathe, therefore production efficiency is very low, and product surface may be damaged.
Utility model content
The purpose of this utility model is to provide a kind of workpiece that can make and from fixture, takes out like a cork, and upper-lower product do not take the lathe lathe finish fixture of process time, and concrete scheme of the present utility model is as follows:
A lathe lathe finish fixture, comprising:
The soft pawl of chuck, positioning core axle;
The soft pawl of described chuck comprises oild chuck and at least 2 soft pawl blanks, and described soft pawl blank is assemblied on described oild chuck and flushes in same end face, and the opposite face of described soft pawl blank forms endoporus jointly;
Described positioning core axle comprises shank, and described shank is connected with endoporus, and one end of described shank is provided with the external screw thread for being connected with workpiece.
Preferably, one end of described positioning core axle is radially protruded and is formed external screw thread end face, and described external screw thread is located on external screw thread end face.
Preferably, described soft pawl blank quantity is 3.
Preferably, described soft pawl blank is provided with positioning step.
The lathe lathe finish fixture that the utility model provides has been cancelled the positioning table terrace of former fixture, so simple in structure, reduced fixture manufacture difficulty, simultaneously because upper and lower workpiece does not carry out on lathe, this operation was reduced to about 15 seconds by 60 seconds non-cutting time, had improved production efficiency.Because workpiece can take out from fixture like a cork, the appearance quality of workpiece greatly improves.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, does not form to improper restriction of the present utility model, in the accompanying drawings:
fig. 1 is the utility model embodiment positioning core axle structural representation;
fig. 2 is the soft pawl structural representation of the utility model embodiment chuck;
Fig. 3 is the utility model example structure schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, describe the utility model in detail, in this illustrative examples of the present utility model and explanation, be used for explaining the utility model, but not as to restriction of the present utility model.
Embodiment:
A lathe lathe finish fixture, comprises positioning core axle 1, soft pawl 2 two parts of chuck:
As shown in Figure 1, described positioning core axle 1 comprises shank 11, and one end of described shank 11 is provided with the external screw thread 12 for being connected with workpiece, and positioning core axle 1 material therefor is GCr15, and heat treatment hardness 60～64HRC plays transmitting torque and workpiece positioning action;
As shown in Figure 2, the soft pawl 2 of described chuck comprises oild chuck and at least 2 soft pawl blanks 21, described soft pawl blank 21 is by tooth portion and step keyway, be arranged on the oild chuck of lathe, and flush in same end face, opposite face at described soft pawl blank 21 forms endoporus 22 jointly, described endoporus 22 is connected with shank 11, soft pawl blank 21 is assemblied in and on lathe hydraulic chuck, carries out fine finishining, bore shank 11 sizes with positioning core axle 1 endoporus 22 that matches, bore if desired a common end face, soft pawl blank 21 material therefors are 65Mn, heat treatment hardness 30～34HRC, endoporus 22 plays the effect of clamping and positioning mandrel 1 shank 11, the end face of soft pawl blank 21 plays the effect of restriction workpiece axial freedom, and more firm for endoporus 22 is connected with shank 11, the soft pawl blank 21 in the present embodiment is 3 one group.
Preferably, one end of described positioning core axle 1 is radially protruded and is formed external screw thread end face 13, and described external screw thread 12 is located on external screw thread end face 13.
Preferably, described soft pawl blank 21 is provided with positioning step 23, and positioning step 23 can be with reference to figure 3.
As shown in Figure 3, in above-described embodiment scheme, positioning core axle 1 is screwed in to the internal thread of workpiece to be processed, after screwing in internal thread bottom, exit again half button, subsequently the shank of positioning core axle 1 11 is put into soft pawl 2 endoporus 22 of chuck, when workpiece end face is close on the end face of the soft pawl 2 of chuck, just started the soft pawl 2 of oild chuck, the shank of positioning core axle 1 11 is clamped, workpiece is tightened on soft pawl 2 end faces of chuck, by means of spiral power, workpiece just correctly, be arranged on turning attachment reliably again.After workpiece completion of processing, unclamp the soft pawl 2 of chuck of hydraulic pressure; The spiral power that workpiece acts on soft pawl 2 end faces of chuck disappears, and just workpiece easily can be screwed out from positioning core axle 1, and the process that workpiece screwed out and screwed in positioning core axle 1 all can complete in workpiece working angles.
The lathe lathe finish fixture that above-described embodiment scheme provides, is only designed to the positioning core axle 1 with external screw thread 12 and shank 11; Utilize external screw thread 12 to match and play the effect of clamping with the internal thread of workpiece, the plane of orientation using soft pawl blank 21 end faces as fixture, after workpiece completion of processing, unclamps the soft pawl blank 21 of oild chuck; The spiral power that workpiece acts on end face disappears, and takes out positioning core axle 1 and just workpiece easily can be screwed out from positioning core axle 1.
The technical scheme above the utility model embodiment being provided is described in detail, applied specific case herein the principle of the utility model embodiment and embodiment are set forth, the explanation of above embodiment is only applicable to help to understand the principle of the utility model embodiment; , for one of ordinary skill in the art, according to the utility model embodiment, in the specific embodiment and range of application, all will change, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (4)
1. a lathe lathe finish fixture, is characterized in that comprising:
The soft pawl of chuck, positioning core axle;
The soft pawl of described chuck comprises oild chuck and at least 2 soft pawl blanks, and described soft pawl blank is assemblied on described oild chuck and flushes in same end face, and the opposite face of described soft pawl blank forms endoporus jointly;
Described positioning core axle comprises shank, and described shank is connected with endoporus, and one end of described shank is provided with the external screw thread for being connected with workpiece.
2. lathe lathe finish fixture as claimed in claim 1, is characterized in that:
One end of described positioning core axle is radially protruded and is formed external screw thread end face, and described external screw thread is located on external screw thread end face.
3. lathe lathe finish fixture as claimed in claim 1, is characterized in that:
Described soft pawl blank quantity is 3.
4. lathe lathe finish fixture as claimed in claim 1, is characterized in that:
Described soft pawl blank is provided with positioning step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320530406.1U CN203526598U (en) | 2013-08-23 | 2013-08-23 | Lathe finish turning clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320530406.1U CN203526598U (en) | 2013-08-23 | 2013-08-23 | Lathe finish turning clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203526598U true CN203526598U (en) | 2014-04-09 |
Family
ID=50412860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320530406.1U Expired - Fee Related CN203526598U (en) | 2013-08-23 | 2013-08-23 | Lathe finish turning clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203526598U (en) |
-
2013
- 2013-08-23 CN CN201320530406.1U patent/CN203526598U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20170823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |