CN214559171U - Lathe fixture suitable for processing elastic thin-walled workpiece - Google Patents

Abstract

The utility model relates to a turning attachment suitable for processing elasticity thin wall spare belongs to the machining field, is proposed to the yielding, the difficult defect in location of work piece in the course of working, and it includes: the anchor clamps body, the centre bore has been seted up at the specific center of anchor clamps, periphery processing at the centre bore has the constant head tank, the one end of constant head tank is the arc, be equipped with the cushion in the constant head tank, the cushion sets up with the arc end of constant head tank relatively, the positioning bolt level passes cushion and work piece and nut cooperation, processing has adjusting hole on the specific lateral wall of anchor clamps, adjusting hole is a plurality of that circumference set up, and every adjusting hole is the screw hole by outside to centre bore direction level extension, install adjusting screw in every adjusting hole, and the bottom of every adjusting screw stretch into in the constant head tank with the outer wall butt of work piece, the clamp plate symmetry is installed on the specific terminal surface of anchor clamps, and the lower extreme of clamp plate presses to the top of work piece. The utility model has simple structure and convenient operation.

Description

Lathe fixture suitable for processing elastic thin-walled workpiece

The technical field is as follows:

the utility model belongs to the technical field of machining, concretely relates to turning attachment suitable for processing elasticity thin wall spare.

Background art:

the clamping sleeve is a connecting device and is used on a liquid-gas suspension device, the clamping sleeve is usually clamped directly by using a four-jaw chuck in the traditional machining process, and the clamping sleeve has the characteristics of thin thickness, high elasticity, poor rigidity, easiness in deformation and the like.

The invention content is as follows:

the utility model discloses an overcome current work piece yielding, the difficult defect in location in the course of working, provide a turning attachment suitable for processing elasticity thin wall spare, this anchor clamps can effectively improve operating personnel's the percentage of labour, have alleviateed operating personnel's intensity of labour.

The utility model discloses a technical scheme lie in: a lathe fixture suitable for machining elastic thin-walled parts, comprising: the clamp body is provided with a pressing plate, a positioning bolt, an adjusting screw and a cushion block, the center of the clamp body is provided with a center hole, a positioning groove for placing a workpiece is processed on the periphery of the central hole, one end of the positioning groove is arc-shaped, a cushion block used for fixing a workpiece is arranged in the positioning groove, the cushion block is arranged opposite to the arc-shaped end of the positioning groove, the positioning bolt horizontally penetrates through the cushion block and the workpiece to be matched with the nut, the outer side wall of the fixture body is provided with a plurality of adjusting through holes which are arranged in the circumferential direction, each adjusting through hole is a threaded hole which horizontally extends from the outer side to the direction of the central hole, an adjusting screw is arranged in each adjusting through hole, the bottom end of each adjusting screw extends into the positioning groove and is abutted against the outer wall of the workpiece, the pressing plates are symmetrically arranged on the end faces of the clamp bodies, and the lower ends of the pressing plates press the tops of the workpieces.

Preferably, the central line of the cushion block is overlapped with the vertical central line of the fixture body, and the front end face and the rear end face of the cushion block are respectively identical to the inner diameter of the central hole and the outer circumference radian of the fixture body.

Preferably, the number of the adjusting through holes is three, the center line of one of the adjusting through holes is overlapped with the vertical center line of the fixture body, and the other two adjusting through holes are symmetrically arranged below the transverse center line of the fixture body by taking the vertical center line of the fixture body as an axis.

Preferably, an included angle α is formed between the center line of the two symmetrically arranged adjusting through holes and the horizontal center line of the fixture body, and the α is an acute angle.

Preferably, said α is 10 °.

Preferably, the pressing plate is L-shaped, the short edge of the pressing plate vertically presses the top of the workpiece, and the long edge of the pressing plate is horizontally fixed on the clamp body through a fixing bolt.

The utility model has the advantages that:

1. the utility model discloses set up the constant head tank on the anchor clamps body, utilize the backing plate and the cooperation of positioning bolt to fix the work piece on the cushion, avoid causing the deformation of work piece because of the clamp force is too big through adjusting the clamp force; applying axial pressing force to the upper end face of the workpiece by utilizing the matching of the pressing plate and the fixing bolt; through the position relation between adjusting screw and the anchor clamps body, provide the side to the outer wall of work piece and support, the utility model discloses an anchor clamps can realize the alignment of clamping location, have effectively avoided the repeated alignment problem of processing, have shortened the assistance-time of clamping, make the precision stability of work piece processing, have saved process time, have improved labor productivity, have reduced manufacturing cost.

2. The utility model has the advantages of simple structure, convenient operation has reduced workman's manipulation strength and to workman technical grade's requirement, and the workpiece surface that the simultaneous processing came out is effectual, and the work piece loading and unloading state behind the turning hole is unanimous, can not produce the elasticity and change.

Description of the drawings:

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

FIG. 2 is a schematic structural view of the clamp body;

FIG. 3 is a side view of FIG. 2;

FIG. 4 is a schematic structural view of a positioning bolt;

FIG. 5 is a schematic view of the platen;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a schematic view of a workpiece configuration;

wherein: the fixture comprises a fixture body 1, a central hole 11, a positioning groove 12, an adjusting through hole 13, a cushion block 2, a positioning bolt 3, an adjusting bolt 4, a pressing plate 5, a workpiece 6, a nut 7 and a fixing bolt 8.

The specific implementation mode is as follows:

as shown in fig. 1 and 7, the utility model relates to a turning attachment suitable for processing elasticity thin wall spare, include: the clamp comprises a clamp body 1, wherein a cushion block 2, a positioning bolt 3, an adjusting screw 4 and a pressing plate 5 which are used for being matched with a workpiece 6 are arranged on the clamp body 1.

As shown in fig. 2 to 4, the fixture body 1 is circular, a central hole 11 is formed in the center of the fixture body 1, a positioning groove 12 for placing the workpiece 6 is processed on the periphery of the central hole 11, the positioning groove 12 is a special-shaped groove with an arc-shaped end, a cushion block 2 for fixing the workpiece 6 is arranged in the positioning groove 12, the cushion block 2 is arranged opposite to the arc-shaped end of the positioning groove 12, the center line of the cushion block 2 is overlapped with the vertical center line of the fixture body 1, and the front end face and the rear end face of the cushion block 2 are respectively the same as the inner diameter of the central hole 11 and the outer peripheral radian of the fixture body 1. The positioning bolt 3 horizontally penetrates through the cushion block 2 and the workpiece 6 to be matched with the nut 7, and the position of the positioning bolt 3 is adjusted, so that the gap between the workpiece 6 and the cushion block 2 is within the range of 0.07mm, the turning size is prevented from being different due to uneven clamping force, and the workpiece 6 is prevented from generating elastic deformation due to overlarge clamping force.

The outer side wall of the fixture body 1 is provided with a plurality of adjusting through holes 13, the adjusting through holes 13 are circumferentially arranged, in the embodiment, three adjusting through holes 13 are taken as an example for introduction, a center line of one adjusting through hole 13 is overlapped with a vertical center line of the fixture body 1, the other two adjusting through holes 13 are symmetrically arranged below a transverse center line of the fixture body 1 by taking the vertical center line of the fixture body 1 as an axis, an included angle α is formed between the center lines of the two symmetrically arranged adjusting through holes 13 and a horizontal center line of the fixture body 1, and α is 10 °. Each adjusting through hole 13 is a threaded hole horizontally extending from the outer side to the center hole 11, an adjusting screw 4 is installed in each adjusting through hole 13, and the bottom end of each adjusting screw 4 extends into the positioning groove 12 to abut against the outer wall of the workpiece 6, so that side support is provided for the workpiece 6.

As shown in fig. 5 and 6, the pressing plates 5 are symmetrically arranged on the fixture body 1 with the vertical center line of the fixture body 1 as an axis, each pressing plate 5 is L-shaped, the short sides of the pressing plates 5 vertically press against the top of the workpiece 6, the long sides of the pressing plates 5 are horizontally fixed on the fixture body 1 through fixing bolts 8, and the pressing plates 5 provide axial pressing force for the workpiece 6.

The working process is as follows:

lay the utility model discloses an anchor clamps on the lathe to the alignment is placed work piece 6 in constant head tank 12 again, and makes work piece 6 fix on cushion 2 through positioning bolt 3 and nut 7, then adjusts the position between adjusting screw 4's bottom and the work piece 6 respectively, presses clamp plate 5 on work piece 6 at last, and makes clamp plate 5 fix on anchor clamps body 1.

The above description is only the preferred embodiments of the present invention, and these embodiments are all based on the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. A turning attachment suitable for machining elastic thin-walled parts, comprising: the clamp comprises a clamp body (1), wherein a cushion block (2), a positioning bolt (3), an adjusting screw (4) and a pressing plate (5) are installed on the clamp body (1), a center hole (11) is formed in the center of the clamp body (1), a positioning groove (12) used for placing a workpiece (6) is machined in the periphery of the center hole (11), one end of the positioning groove (12) is arc-shaped, the cushion block (2) used for fixing the workpiece (6) is arranged in the positioning groove (12), the cushion block (2) and the arc-shaped end of the positioning groove (12) are oppositely arranged, the positioning bolt (3) horizontally penetrates through the cushion block (2) and the workpiece (6) to be matched with a nut (7), an adjusting through hole (13) is machined in the outer side wall of the clamp body (1), the adjusting through holes (13) are circumferentially arranged, and each adjusting through hole (13) is a threaded hole horizontally extending from the outer side to the direction of the center hole (11), install adjusting screw (4) in every adjusting through hole (13), and the bottom of every adjusting screw (4) stretch into in constant head tank (12) with the outer wall butt of work piece (6), clamp plate (5) symmetry is installed on the terminal surface of anchor clamps body (1), and the lower extreme of clamp plate (5) presses to the top of work piece (6).

2. A lathe fixture suitable for machining an elastic thin-walled member according to claim 1, wherein: the central line of the cushion block (2) is overlapped with the vertical central line of the clamp body (1), and the front end face and the rear end face of the cushion block (2) are respectively identical to the inner diameter of the central hole (11) and the outer circumference radian of the clamp body (1).

3. A lathe fixture suitable for machining an elastic thin-walled workpiece according to claim 1 or 2, wherein: the number of the adjusting through holes (13) is three, the center line of one of the adjusting through holes (13) is overlapped with the vertical center line of the fixture body (1), and the other two adjusting through holes (13) are symmetrically arranged below the transverse center line of the fixture body (1) by taking the vertical center line of the fixture body (1) as an axis.

4. A lathe fixture suitable for machining an elastic thin-walled member according to claim 3, wherein: an included angle alpha is formed between the central line of the two symmetrically arranged adjusting through holes (13) and the horizontal central line of the fixture body (1), and the alpha is an acute angle.

5. A lathe fixture suitable for machining an elastic thin-walled member according to claim 4, wherein: the alpha is 10 degrees.

6. A lathe fixture suitable for machining an elastic thin-walled workpiece according to claim 1 or 2, wherein: the pressing plate (5) is L-shaped, the short edge of the pressing plate (5) vertically presses the top of the workpiece (6), and the long edge of the pressing plate (5) is horizontally fixed on the clamp body (1) through a fixing bolt (8).

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