CN222094922U - Positioning fixture for wire cutting - Google Patents

Abstract

The utility model relates to the technical field of positioning fixtures, and discloses a positioning fixture for wire cutting, which comprises an equipment bottom plate and a fixed plate arranged on the equipment bottom plate, wherein a damping component is arranged between the equipment bottom plate and the fixed plate, four wire-type through grooves distributed in an annular equidistant manner are formed in the top wall surface of the equipment bottom plate in a penetrating manner, adjusting mechanisms are arranged in the four wire-type through grooves, each adjusting mechanism comprises an adjusting threaded rod and an adjusting nut block, the adjusting threaded rod is rotatably connected with the inner part of the wire-type through groove, the adjusting nut block is in threaded connection with the outer wall surface of the adjusting threaded rod, the top ends of the four adjusting nut blocks are provided with positioning mechanisms, and each positioning mechanism comprises four rotating brackets fixedly arranged at the top ends of the four adjusting nut blocks and four positioning clamping plates rotatably connected with one ends, close to the four rotating brackets. According to the utility model, by arranging the adjusting mechanism and the positioning mechanism, the positioning function of the equipment on workpieces with different sizes is realized, and the applicability of the equipment structure is improved.

Description

Positioning fixture for wire cutting

Technical Field

The utility model relates to the technical field of positioning fixtures, in particular to a positioning fixture for wire cutting.

Background

The utility model discloses a positioning fixture for numerical control wire cut electrical discharge machining bed through retrieving application number 202120971802.2, including the backup pad, base and location dog, the base is equipped with two and respectively fixed connection in the front and back both sides of backup pad upper end, the location dog is equipped with four and two one side that is a set of fixed connection in the base respectively, the upper end middle part of backup pad is seted up flutedly, the inside of recess is equipped with the fixed plate, all be equipped with the dead lever between four location dogs and the base, the both ends are equipped with the connecting rod respectively about the dead lever, the fluting has all been seted up at both ends about dead lever deflection location dog one side, the equal swing joint in grooved inside has the movable rod, and one side of connecting rod respectively with movable rod fixed connection.

The utility model provides a positioning fixture for numerical control wire cut electrical discharge machining bed in this contrast file is in the use, through using four location dog to the work piece centre gripping of off-set side, realize that this equipment is fixed to the different terminal surfaces of work piece, but in the in-process of using like this, because four location dogs pass through four dead levers and two base fixed connection, and two base fixed mounting in the backup pad again for four location dog position is fixed, leads to this equipment to carry out the centre gripping to the work piece of corresponding size fixed, has reduced the practicality of this equipment, for this reason, we propose a positioning fixture for wire cut.

Disclosure of utility model

The utility model mainly solves the technical problems in the prior art and provides a positioning clamp for wire cutting.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the positioning fixture for wire cutting comprises a device bottom plate and a fixed plate arranged on the device bottom plate, a damping component is arranged between the device bottom plate and the fixed plate, four linear through grooves distributed in an annular equidistant manner are formed in the top wall surface of the device bottom plate in a penetrating mode, adjusting mechanisms are arranged in the four linear through grooves, each adjusting mechanism comprises an adjusting threaded rod in rotary connection with the inside of the linear through groove and an adjusting nut block in threaded connection with the outer wall surface of the adjusting threaded rod, the top ends of the four adjusting nut blocks are provided with positioning mechanisms, and each positioning mechanism comprises four rotating supports fixedly arranged at the top ends of the four adjusting nut blocks and four positioning clamping plates in rotary connection with one ends, close to the four rotating supports, of the four rotating supports.

Further, limiting sliding holes are uniformly distributed in the edge position of the top wall surface of the equipment bottom plate, and limiting sliding rods fixedly connected with the bottom wall surface of the fixed plate are slidably connected inside each limiting sliding hole.

Further, four the rotating brackets are all C-shaped, and one ends of the C-shaped openings of the four rotating brackets are arranged in a state of being close to each other.

Further, one ends, which are close to each other, of the four rotating supports are connected with four rotating blocks fixedly connected with the four locating clamping plates in a rotating mode.

Furthermore, the four rotating blocks are symmetrically and fixedly provided with reset springs fixedly connected with the side wall surfaces of the inner cavities of the four rotating brackets on the surfaces far away from the four locating clamping plates.

Further, four the one end that adjusting threaded rod kept away from each other runs through four line type through groove inside wall surfaces respectively and extends to outside, and four equal fixed mounting of one end that adjusting threaded rod kept away from each other have adjusting handwheel.

Further, the rubber pads are fixedly connected to the surfaces, close to each other, of the four positioning clamping plates.

Advantageous effects

The utility model provides a positioning fixture for wire cutting. The beneficial effects are as follows:

1. This positioning fixture for wire cutting, through setting up adjustment mechanism and positioning mechanism, during the use, will wait to process the work piece and place in fixed plate top surface central point department, rotate adjusting hand wheel and drive adjusting threaded rod and rotate, force the adjusting nut piece with adjusting threaded rod threaded connection and drive the rotation support and remove and be close to the work piece, and then drive the terminal surface laminating of locating splint on the rotating block and work piece, carry out the centre gripping fixedly to the work piece through four locating splints, and four locating splints all rotate with the rotation support through the rotating block and be connected, make four locating splints can carry out the off-side and carry out the angle modulation, and then be applicable to fixing the different terminal surfaces of work piece, above easy operation is practical, realized the locate function of this equipment to the work piece of equidimension not, improve the suitability of this equipment structure.

2. This positioning fixture for wire-electrode cutting through setting up the rubber pad, when the terminal surface of locating splint to the work piece carries out the centre gripping fixed, the rubber pad has increased the connection between locating splint and the work piece terminal surface through taking place deformation, improves the centre gripping effect of this equipment to the work piece.

3. This positioning fixture for wire-electrode cutting through setting up spacing slide bar, the inside sliding connection of spacing slide bar and the spacing slide hole on equipment bottom plate top forms spacing effect to the fixed plate in the vertical direction, has improved the connection between equipment bottom plate and the fixed plate, improves the stability of this equipment structure.

Drawings

The structures, proportions, sizes, etc. shown in this description are for illustration purposes only and are not intended to limit the scope of the utility model, which is otherwise, used by those skilled in the art to which this utility model pertains.

FIG. 1 is a front view of a positioning jig for wire cutting according to the present utility model;

FIG. 2 is a top view of the positioning jig for wire cutting of the present utility model;

fig. 3 is a cross-sectional view of the positioning mechanism of the present utility model.

Legend description:

10. The device comprises a device bottom plate, a fixing plate, a 12 damping component, a 13 limiting slide hole, a 14 limiting slide rod, a 15 linear through groove, a 16 adjusting threaded rod, a 17 adjusting nut block, a 18 rotating bracket, a 19 rotating block, a 20 positioning clamping plate, a21, a return spring, a 22 adjusting hand wheel, a 23 and a rubber pad.

Detailed Description

1-3, Including equipment bottom plate 10 and set up in equipment bottom plate 10's fixed plate 11, be provided with damper 12 between equipment bottom plate 10 and the fixed plate 11, damper 12 is prior art, it is unnecessary to do the details, spacing slide hole 13 has been seted up to equipment bottom plate 10's roof marginal relief, spacing slide bar 14 with fixed connection of bottom wall face of fixed plate 11 is all sliding connection in every spacing slide hole 13 inside, four linear through grooves 15 that are annular equidistant distribution are run through to equipment bottom plate 10's roof face, four linear through grooves 15 inside all are provided with adjustment mechanism, adjustment mechanism includes the adjusting threaded rod 16 and the adjusting nut piece 17 with the inside threaded connection of adjusting threaded rod 16 that rotate in linear through groove 15, the one end that four adjusting threaded rod 16 kept away from each other runs through four linear through groove 15 inside wall face respectively to outside, four adjusting threaded rod 16 all are fixed mounting with adjusting nut 22, four adjusting nut piece 17's top is provided with positioning mechanism, positioning mechanism includes four brackets 18 that are fixed mounting four end face C and four brackets that are adjacent to each other, four brackets 18 are adjacent to each other four end of four brackets that rotate, four brackets 18 are adjacent to each other, four brackets 20 are fixed end are connected with four brackets that rotate each other, one end 20 are adjacent to each other, four brackets are fixed end 20 rotate each other is fixed to each other, and are connected to each other is in a four brackets is in a state of rotating position, and are adjacent to each end is adjacent to each end 20, the rubber pad 23 is fixedly connected to one surface of the four locating splints 20, which are close to each other.

The utility model has the working principle that when the device is used, a workpiece to be processed is placed at the center of the top surface of the fixed plate 11, the adjusting hand wheel 22 is rotated to drive the adjusting threaded rod 16 to rotate, the adjusting nut block 17 in threaded connection with the adjusting threaded rod 16 is driven to drive the rotating bracket 18 to move close to the workpiece, the positioning clamping plate 20 on the rotating block 19 is further driven to be attached to the end surface of the workpiece, the workpiece is clamped and fixed through the four positioning clamping plates 20, the four positioning clamping plates 20 are rotationally connected with the rotating bracket 18 through the rotating block 19, the four positioning clamping plates 20 can perform the eccentric side angle adjustment, the device is further suitable for fixing different end surfaces of the workpiece, the operation is simple and practical, the positioning function of the device on the workpieces with different sizes is realized, the applicability of the structure of the device is improved, when the positioning clamping plate 20 clamps and fixes the end surfaces of the workpiece, the connection between the positioning clamping plates 20 and the end surfaces of the workpiece is increased through deformation, the connection between the positioning clamping plate 20 and the end surfaces of the workpiece is improved, the limiting effect of the device is improved, the limiting plate 14 is in sliding connection with the limiting sliding rod 13 at the top end of the device bottom plate 10, the limiting slide bar 11 is in a vertical direction, the connection between the device and the device is improved, and the stability of the device is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (7)

1. The positioning clamp for wire cutting comprises an equipment bottom plate (10) and a fixing plate (11) arranged on the equipment bottom plate (10), wherein a damping component (12) is arranged between the equipment bottom plate (10) and the fixing plate (11), and the positioning clamp is characterized in that four linear through grooves (15) which are distributed in an annular equidistant mode are formed in the top wall surface of the equipment bottom plate (10) in a penetrating mode, adjusting mechanisms are arranged in the four linear through grooves (15), each adjusting mechanism comprises an adjusting threaded rod (16) which is connected with the inside of the linear through groove (15) in a rotating mode and an adjusting nut block (17) which is connected with the outer wall surface of the adjusting threaded rod (16) in a threaded mode, positioning mechanisms are arranged at the top ends of the four adjusting nut blocks (17), and each positioning mechanism comprises four rotating supports (18) fixedly arranged at the top ends of the four adjusting nut blocks (17) and four positioning clamping plates (20) which are connected with one ends of the four rotating supports (18) in a rotating mode and close to each other.

2. The positioning fixture for wire cutting according to claim 1, wherein limiting slide holes (13) are uniformly distributed at the edge position of the top wall surface of the equipment bottom plate (10), and limiting slide rods (14) fixedly connected with the bottom wall surface of the fixed plate (11) are slidably connected inside each limiting slide hole (13).

3. The positioning fixture for wire cutting according to claim 1, wherein the four rotating brackets (18) are all C-shaped, and one ends of the C-shaped openings of the four rotating brackets (18) are arranged in a state of being close to each other.

4. The positioning fixture for wire cutting according to claim 1, wherein one ends of the four rotating brackets (18) which are close to each other are rotatably connected with four rotating blocks (19) fixedly connected with four positioning clamping plates (20).

5. The positioning clamp for wire cutting according to claim 4, wherein the four rotating blocks (19) are symmetrically and fixedly provided with reset springs (21) fixedly connected with the side wall surfaces of the inner cavities of the four rotating brackets (18) on the surfaces far away from the four positioning clamping plates (20).

6. The positioning fixture for wire cutting according to claim 1, wherein one ends of the four adjusting threaded rods (16) which are far away from each other respectively penetrate through the inner side wall surfaces of the four linear through grooves (15) to the outside, and one ends of the four adjusting threaded rods (16) which are far away from each other are fixedly provided with adjusting handwheels (22).

7. The positioning fixture for wire cutting according to claim 1, wherein rubber pads (23) are fixedly connected to one surfaces of the four positioning clamping plates (20) which are close to each other.