CN219402154U - Positioning device of press machine - Google Patents

Abstract

The utility model discloses a positioning device of a press machine, which comprises a body, wherein a die is arranged on the body, positioning rods which are used for limiting positioning and distributed in a circumferential array are movably arranged on the body, a chute for the positioning rods to move is formed in the die, and a plurality of positioning rods are driven to synchronously move according to a preset path. According to the positioning device of the press machine, when the cake-shaped metal blank is forged, the metal blank is placed on the die of the body, the positioning rods are abutted against the side wall of the metal blank to position the metal blank, at the moment, the metal blank is thicker, the part of the positioning rods extending out of the die is longer, after one forging and pressing, the metal blank is partially attached to the die and is reduced in thickness, before the next forging and pressing, the positioning rods are driven to move along the sliding grooves on the die, the length of the positioning rods extending out of the die is reduced, so that the thickness change of the metal blank is adapted, the influence of the positioning rods on the work of the body is avoided, and the next forging and pressing is carried out after adjustment is completed.

Description

Positioning device of press machine

Technical Field

The utility model relates to the technical field of presses, in particular to a positioning device of a press.

Background

The press may plastically deform the metal blank by applying pressure thereto to shape the metal blank into a predetermined shape.

According to publication number CN110153678B, publication number 2020.07.31, a numerical control press is disclosed, comprising a workbench, on which a servo electric cylinder, a middle slide rail, two screw slide rails symmetrically arranged on the front and rear sides of the middle slide rail and a gun barrel positioning device for fixing gun barrels are arranged, the middle slide rail and the screw slide rails extend left and right, and the center line of the push rod of the servo electric cylinder, the center line of the middle slide rail and the center line of the gun barrel placed on the gun barrel positioning device are all positioned in the same vertical plane. The servo electric cylinder of the device pushes the pressure head assembly to press the gun barrel to the hoop seat through the transmission plate and the screw rod, so that the press-fitting stroke of the servo electric cylinder can be effectively shortened, and the press-fitting efficiency is improved; through adjusting the position of pressure head subassembly on the lead screw, can carry out hoop seat pressure equipment in the different positions of barrel, the commonality is good, is convenient for the arrangement of barrel between two lead screws simultaneously.

In the prior art including the above patent, when a metal blank in the shape of a round cake is forged and pressed into a spherical shell by a press, the metal blank needs to be placed on a die of the press for multiple forging and pressing, so that the metal blank is plastically deformed, but in the process of multiple forging and pressing, the vertex of a semi-finished spherical shell is difficult to determine and is easily deviated from the die.

Disclosure of Invention

The utility model aims to provide a positioning device of a press machine, which aims to solve the problem that a round cake-shaped metal blank is difficult to position in the forging and pressing process.

In order to achieve the above purpose, the utility model provides a positioning device of a press machine, which comprises a body, wherein a die is arranged on the body, positioning rods which are used for limiting positioning and distributed in a circumferential array are movably arranged on the body, a chute for the positioning rods to move is formed in the die, and a plurality of positioning rods are driven to synchronously move according to a preset path.

Preferably, a plurality of sliding bars are movably arranged in the body.

Preferably, a positioning rod is arranged on the sliding rod in a sliding manner.

Preferably, the positioning rod is provided with a guide block for guiding the movement thereof.

Preferably, a sliding groove matched with the guide block is formed in the body.

Preferably, a driving ring for driving a plurality of sliding rods to move is rotatably arranged inside the body.

Preferably, the bottom of the driving ring is provided with planar threads.

Preferably, a groove matched with the plane thread is formed in the top of the sliding rod.

Preferably, the driving ring is provided with a deflector rod extending to the outer side of the body.

Preferably, the body is provided with a notch for the shift lever to move.

In the technical scheme, the positioning device of the press provided by the utility model has the following beneficial effects: when forging and pressing cake-shaped metal blank, place the metal blank on the mould of body, a plurality of locating levers support and lean on the lateral wall of metal blank, for the metal blank location, the metal blank is thicker this moment, the locating lever stretches out the part of mould also longer, after forging and pressing once, metal blank part laminating is on the mould, and thickness reduces, before forging and pressing next time, order about a plurality of locating levers to remove along the spout on the mould, and the length that the locating lever stretches out the mould reduces, in order to adapt to the change of metal blank thickness, avoid the locating lever to influence the work of body, carry out forging and pressing next time after the adjustment is accomplished again.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure provided by an embodiment of the present utility model;

fig. 2 is a schematic diagram of an internal structure according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a body; 11. a mold; 12. a positioning rod; 121. a slide bar; 122. a guide block; 13. a drive ring; 131. a deflector rod.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-2, a positioning device of a press machine comprises a body 1, wherein a die 11 is arranged on the body 1, positioning rods 12 which are used for limiting positioning and distributed in a circumferential array are movably arranged on the body 1, a chute for moving the positioning rods 12 is formed in the die 11, and a plurality of positioning rods 12 are driven to synchronously move according to a preset path.

Specifically, the body 1 in the above embodiment is specifically a press.

In the above technical scheme, when forging and pressing cake-shaped metal blank, place the metal blank on the mould 11 of body 1, a plurality of locating levers 12 support and lean on the lateral wall of metal blank, for the metal blank location, metal blank is thicker this moment, the part that locating lever 12 stretches out mould 11 is also longer, after forging and pressing once, metal blank part laminating is on mould 11, and thickness reduces, before forging and pressing next time, drive a plurality of locating levers 12 and remove along the spout on mould 11, and the length that locating lever 12 stretches out mould 11 reduces, in order to adapt to the change of metal blank thickness, avoid locating lever 12 to influence the work of body 1, carry out forging and pressing next time after the adjustment is accomplished.

As a further provided embodiment of the present utility model, as shown in fig. 1-2, a plurality of sliding rods 121 are movably arranged in the body 1, a positioning rod 12 is slidably arranged on the sliding rods 121, a guide block 122 for guiding the movement of the positioning rod 12 is arranged on the positioning rod 12, a sliding chute matched with the guide block 122 is arranged in the body 1, and a driving ring 13 for driving the plurality of sliding rods 121 to move is rotatably arranged in the body 1; when the position of the positioning rod 12 is adjusted, the deflector rod 131 is shifted, the deflector rod 131 drives the driving ring 13 to rotate, the plane threads on the driving ring 13 move along the grooves on the sliding rod 121 and push the sliding rod 121 to move, when the sliding rod 121 moves in a direction away from the center of the die 11, the guide blocks 122 on the positioning rod 12 move along the grooves on the body 1 and gradually taper to the inside of the body 1, and the length of the protruding part of the positioning rod 12 from the die 11 is reduced.

As still another embodiment of the present utility model, as shown in fig. 1-2, a planar thread is provided at the bottom of the driving ring 13, a groove adapted to the planar thread is provided at the top of the sliding rod 121, a deflector rod 131 extending to the outside of the body 1 is provided on the driving ring 13, and a gap for the deflector rod 131 to move is provided on the body 1; when the position of the positioning rod 12 is adjusted, the deflector rod 131 is shifted, the deflector rod 131 drives the driving ring 13 to rotate, the plane threads on the driving ring 13 move along the grooves on the sliding rod 121 and push the sliding rod 121 to move, when the sliding rod 121 moves in a direction away from the center of the die 11, the guide blocks 122 on the positioning rod 12 move along the grooves on the body 1 and gradually taper to the inside of the body 1, and the length of the protruding part of the positioning rod 12 from the die 11 is reduced.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. The utility model provides a press positioner, its characterized in that includes body (1), be provided with mould (11) on body (1), the activity is provided with on body (1) and is used for restricting location and is locating lever (12) that circumference array distributes, offer on mould (11) and supply spout that locating lever (12) removed, a plurality of locating lever (12) are driven according to predetermined route synchronous movement.

2. A positioning device of a press according to claim 1, characterized in that the body (1) is internally movably provided with a plurality of slide bars (121).

3. A positioning device of a press according to claim 2, characterized in that the slide bar (121) is slidably provided with a positioning bar (12).

4. A press positioning device according to claim 1, characterized in that the positioning rod (12) is provided with a guide block (122) for guiding its movement.

5. A positioning device of a press according to claim 4, characterized in that the interior of the body (1) is provided with a chute adapted to the guide block (122).

6. A press positioning device according to claim 2, characterized in that the interior of the body (1) is rotatably provided with a drive ring (13) for driving the movement of a plurality of slide bars (121).

7. A press positioning device according to claim 6, characterized in that the bottom of the drive ring (13) is provided with planar threads.

8. A press positioning device according to claim 7, characterized in that the top of the slide bar (121) is provided with a groove adapted to the flat thread.

9. A press positioning device according to claim 6, characterized in that the drive ring (13) is provided with a lever (131) extending to the outside of the body (1).

10. The positioning device of a press machine according to claim 9, characterized in that said body (1) is provided with notches for the movement of said levers (131).