CN212265264U - Eccentric special-shaped complex part machining tool - Google Patents

Abstract

The utility model discloses an eccentric dysmorphism complicated parts machining frock, including main part flower disc, mold insert, clamp plate, screw and anti-rotation pin, the main part flower disc is gone up the car porosely, the hole has screw hole, cushion post hole and anti-rotation pin position hole, and the hole position is decided according to will processing eccentric or special-shaped part appearance, the mold insert can assemble into on the main part flower disc to with the screw take-up, can process out the location shape on the mold insert, the location shape is perpendicular with the main part flower disc big face, the location shape of preparation and the through-axis that will process on the solid of revolution, this location shape is perpendicular with the main part flower disc big face to can match with the mold insert, the clamp plate compresses tightly the part on the main part flower disc. This is novel has solved the clamping location problem of gyration type shape lathe processing such as screw thread, hole and excircle on the dysmorphism complicated part, and it adopts earlier fixes a position shape and locating surface finish turning on the frock man-hour, guarantees the shape of fixing a position and the terminal surface straightness that hangs down, improves machining efficiency, quality, reduce cost.

Description

Eccentric special-shaped complex part machining tool

Technical Field

The utility model relates to a lathe processing clamping location technical field mainly relates to a clamping location frock during gyration type shape on eccentric, the special-shaped complex part of car.

Background

The lathe has the characteristics of high efficiency in processing rotary shapes, stable quality and low cost. Lathe machining mainly depends on clamping cylindrical shapes by three claws, four claws, a collecting pipe and the like to process rotary shapes such as coaxial threads, holes, excircles and the like, but the rotary shapes on eccentric and special-shaped complex parts are not coaxial with the cylindrical shapes, so that the rotary shapes cannot be directly clamped by the three claws, the four claws or the collecting pipe of the lathe, and the eccentricity cannot be realized, so the lathe machining of the rotary shapes such as the threads, the holes, the excircles and the like on the special-shaped complex parts becomes a key subject in the technical field.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned shortcoming, the utility model provides a solve the complicated part of eccentric dysmorphism go up the clamping location frock of gyration type shape lathe processing such as screw thread, hole and excircle, it adopts and fixes a position shape (can turn into required location shape according to actual need) and locating surface finish turning on the frock man-hour earlier, guarantees location shape and terminal surface straightness that hangs down, has solved the problem that the lathe was fixed a position can't be carried out to gyration type shape on the complicated part of eccentric dysmorphism etc. practical value is high.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the eccentric special-shaped complex part machining tool comprises a main body disc chuck, an insert, a pressing plate, a screw and an anti-rotation pin, wherein a hole is formed in the main body disc chuck in a turning mode, the hole is provided with a screw hole, a cushion column hole and an anti-rotation pin position hole, the hole position is determined according to the appearance of an eccentric part or a special-shaped part to be machined, the insert can be assembled on the main body disc chuck and tightened by the screw, a positioning shape can be machined on the insert, the positioning shape is perpendicular to the large surface of the main body disc chuck, the part is provided with a positioning shape of a through shaft of a revolving body to be machined, the positioning shape is perpendicular to the large surface of the main body disc chuck and can be matched with the insert, and the part is pressed on the main body disc.

Furthermore, the main body faceplate is provided with an anti-rotation pin, and the anti-rotation pin is arranged in the anti-rotation pin position hole to prevent rotation in the part machining process.

Further, be equipped with the pad post on the main part flower disc, the pad post is installed downthehole at the pad post, pad post one end stretches into on the main part flower disc, and the other end is connected with the clamp plate, the screw compresses tightly the part on the main part flower disc with what the clamp plate can be balanced with the pad post is located the both ends of clamp plate, the assurance clamp plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a clamping location problem that gyration type shape car becomes on eccentric, the complicated part of dysmorphism has been solved to the location frock, and the location reference can be set for as required in a flexible way. The scheme has clear principle and simple and reasonable design, can improve the processing efficiency and quality of the rotary shapes on eccentric and special-shaped complex parts, and reduces the processing cost.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 shows a side view of fig. 1.

Detailed Description

The following will be described in detail with reference to the technical solutions in the embodiments of the present invention:

referring to fig. 1 and 2, the eccentric special-shaped complex part machining tool comprises a main body faceplate 1, an insert 2, a pad column 3, a pressing plate 4, a screw 5, an eccentric or special-shaped part 6 and an anti-rotation pin 7. The main body disc chuck 1 is provided with a hole by lathing, and is provided with a tensioning or pressing screw hole and an anti-rotation pin position hole (the hole position is determined according to the shape of a part to be processed), the insert 2 can be assembled into the main body disc chuck 1 and tensioned by a screw 5, a positioning shape (a hole, a shaft or other positioning shapes) can be processed on the insert 2, the positioning shape is vertical to the large surface of the main body disc chuck 1 (ensuring one-time processing), a positioning shape of a through shaft of a revolving body to be processed is manufactured on the eccentric or special-shaped part 6, the positioning shape is vertical to the large surface of the main body disc chuck 1 and can be matched with the insert 2, the part 6 is pressed on the part 1 by a pressing plate 4, and is pressed by the screw 5, and the anti-rotation pin 7 is installed.

The working principle is as follows: a coaxial cylindrical positioning hole or a positioning shaft is formed on the reverse end surface of the eccentric or special-shaped complex part 6 which needs to be turned into a rotary shape, and the rotary shape such as a hole, an excircle, a thread and the like is turned by positioning in the cylindrical shape by utilizing the mutual reference principle; during processing, the insert 2 is fixed at the center of the main body flower disc 1 (the insert has the functions that the insert can be replaced without replacing the flower disc, the cost is saved, and the insert can be processed into a required shape and size according to actual requirements); clamping a main body faceplate 1 (a threaded hole is formed in the faceplate according to the requirement, the position of the threaded hole is made according to the eccentricity to be processed, the appearance of the special-shaped complex part is made), turning a positioning shaft or a positioning hole on the faceplate insert according to the shape and the size of a positioning cylinder on the part 1 to be processed, and exposing the end face of the faceplate to ensure that the positioning shaft or the positioning hole is vertical to a positioning surface; finally, the part 6 is arranged on the main body faceplate 1, is pressed by the pressing plate 4 and the pressing screw 5 and is stopped by the anti-rotation pin 7.

The utility model discloses a work flow: when the processing fixture is used, the cushion column 3 and the pressing plate 4 are prepared according to the appearance of the part 6, then the positioning shape which is perpendicular to the large surface where the part is located (the perpendicularity is guaranteed to be processed within 0.005) is manufactured on the eccentric or special-shaped part 6, the screw hole, the cushion column hole and the anti-rotation pin hole are processed on the main body flower disc 1 according to the appearance of the part 6 to be processed, the insert 2 is installed on the flower disc 1, the flower disc is clamped by the lathe clamping jaws, the positioning shape which can be matched with the positioning shape on the part 6 is processed on the insert 2, the positioning surface of the flower disc is exposed, the perpendicularity is guaranteed, the cushion column 3 and the anti-rotation pin 7 are installed on the flower disc, the part 6 is installed on the flower disc, and the part is pressed by the pressing plate 4 and the screw 5, and the rotation type shape to.

The foregoing is directed to embodiments of the present application and it is understood that various modifications and enhancements may be made by those skilled in the art without departing from the principles of the application and are intended to be included within the scope of the application.

Claims (3)

1. The utility model provides an eccentric dysmorphism complex parts machining frock which characterized in that: the positioning structure comprises a main body faceplate, an insert, a pressing plate, a screw and an anti-rotation pin, wherein the main body faceplate is provided with a hole in a turning mode, the hole is provided with a screw hole, a cushion column hole and an anti-rotation pin position hole, the hole position is determined according to the appearance of an eccentric or special-shaped part to be machined, the insert can be assembled on the main body faceplate and tightened by the screw, a positioning shape can be machined on the insert, the positioning shape is perpendicular to the large surface of the main body faceplate, a positioning shape of a through shaft of a revolving body to be machined is manufactured on the part, the positioning shape is perpendicular to the large surface of the main body faceplate and can be matched with the insert, and the part is pressed tightly on the main body faceplate by the pressing.

2. The eccentric special-shaped complex part machining tool according to claim 1, characterized in that: the main body faceplate is provided with an anti-rotation pin, and the anti-rotation pin is arranged in an anti-rotation pin position hole.

3. The eccentric special-shaped complex part machining tool according to claim 1, characterized in that: the main body flower disc is provided with a pad column, the pad column is installed in a pad column hole, one end of the pad column stretches into the main body flower disc, the other end of the pad column is connected with the pressing plate, and the screw and the pad column are located at two ends of the pressing plate.

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