CN215090228U

CN215090228U - Positioning assembly for stamping die

Info

Publication number: CN215090228U
Application number: CN202120641573.8U
Authority: CN
Inventors: 周志成; 张�杰; 吕建国; 张潮; 张华平; 叶涛; 黄太森; 周望海
Original assignee: Xiangyang Huafeng Jishun Auto Parts Co Ltd
Current assignee: Xiangyang Huafeng Jishun Auto Parts Co Ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-12-10
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a locating component for stamping die belongs to mould positioner field, and the atress is inhomogeneous and the problem of easy pine take off when solving traditional stamping die location installation. The positioning assembly comprises a plurality of threaded holes formed in the periphery of a workbench, and two positioning columns are further arranged on the workbench, and the positions of the positioning columns correspond to the positions of positioning holes of a stamping die; the workstation middle part of reference column both sides has been seted up and has been held the chamber, the intracavity activity that holds be equipped with the pull rod, the one end activity of pull rod runs through the top of workstation and is connected with the clamp plate, the other end activity of pull rod runs through the bottom of workstation, just the pull rod top spin of workstation below has connect lock nut, be equipped with the limiting plate on the pull rod that holds the intracavity, the limiting plate with hold the cover on the pull rod between the chamber bottom surface and be equipped with compression spring. The utility model discloses a locating component makes stamping die atress even, prevents effectively that the mould pine from taking off and the problem of damage.

Description

Positioning assembly for stamping die

Technical Field

The utility model relates to a mould positioner, more specifically say, it relates to a locating component for stamping die.

Background

The punching machine is a stamping type press machine, mainly aims at the equipment of plate stamping production, can make blanking, punching, forming, deep drawing, trimming, fine blanking, shaping, riveting, extruding and the like through a die, and is widely applied to various fields. A punching machine generally includes an upper die and a lower die, and performs a punching operation by placing a plate material on the lower die and then moving the upper die downward. In the existing punching machine, a die is generally connected with a workbench of equipment through bolts, the bolts are distributed on the periphery of the die and are connected and locked by utilizing the bolts to realize die positioning and installation, but due to the fact that the inside of the die is not locked, the die is easily stressed unevenly, the problem that the die is loosened and loosened is caused, and the problem that the die is damaged is also caused. Therefore, it is necessary to develop a new positioning assembly for a stamping die.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, provides a locating component for stamping die, makes stamping die atress even, effectively prevents the problem that the mould pine takes off and damages.

The technical scheme of the utility model is like this: the positioning assembly for the stamping die comprises a plurality of threaded holes formed in the periphery of a workbench, the positions of the threaded holes correspond to the positions of bolt holes of the stamping die one by one, two positioning columns are further arranged on the workbench, and the positions of the positioning columns correspond to the positions of positioning holes of the stamping die; the middle parts of the working tables on the two sides of the positioning column are provided with accommodating cavities, pull rods are movably arranged in the accommodating cavities, one ends of the pull rods movably penetrate through the tops of the working tables and are connected with pressing plates, the other ends of the pull rods movably penetrate through the bottoms of the working tables, locking nuts are screwed on the pull rods below the working tables, limiting plates are arranged on the pull rods in the accommodating cavities, compression springs are sleeved on the pull rods between the limiting plates and the bottoms of the accommodating cavities, rectangular grooves are formed in positions, corresponding to the positions of the pressing plates, of the bottoms of the stamping dies, circular cavities are formed in the tops of the rectangular grooves, and the pressing plates slidably penetrate through the rectangular grooves and are rotatably arranged in the circular cavities; the top of the workbench is also provided with a buffer component for buffering the stamping die.

As a further improvement, the bottom surface of the pressing plate is also provided with a rubber pad.

Furthermore, a locknut is screwed on the pull rod below the locking nut.

Furthermore, a pull ring is arranged at the end part of the pull rod below the workbench.

Furthermore, magnets are embedded in the positioning columns.

Furthermore, the buffer assembly comprises a support plate, a sliding groove formed in the workbench and an elastic assembly located in the sliding groove, the support plate is a U-shaped plate, one end of an opening of the U-shaped support plate is inserted into the sliding groove in a sliding mode, and the elastic assembly is connected with the support plate and the bottom of the sliding groove.

Furthermore, the elastic component comprises two telescopic columns and a buffer spring, the two ends of each telescopic column are respectively connected with the supporting plate and the bottom surface of the sliding groove, and the buffer spring is sleeved on the periphery of each telescopic column.

Furthermore, both sides of the bottom of the sliding groove are provided with limiting grooves, correspondingly, both sides of the bottom of the supporting plate are provided with limiting blocks, and the limiting blocks are inserted in the limiting grooves in a sliding mode.

Advantageous effects

Compared with the prior art, the utility model, have following advantage:

the utility model discloses a positioning assembly, through set up assemblies such as pull rod, clamp plate and lock nut between the middle part of stamping die and workstation, cooperate the peripheral bolt of stamping die to carry out the location installation to stamping die, when the mould is installed, hang stamping die to the workstation top, utilize the locating hole cooperation of reference column and stamping die, support stamping die and place on the workstation, the clamp plate passes the rectangular channel and lies in circular intracavity this moment; then the pull rod is rotated to drive the pressing plate to rotate, so that the two ends of the pressing plate are positioned above the circular cavities on the two sides of the rectangular groove; then, the pull rod is fixed by hand, and the locking nut is rotated by the other hand to enable the pull rod to move downwards, so that the pressing plate extrudes the bottom surface of the circular cavity, and the middle part of the stamping die is pressed and fixed; and finally, the bolt penetrates through the bolt hole and is screwed in the threaded hole, so that the fixing of the stamping die is realized, the stamping die is uniformly stressed in a multi-point fixing mode, and the problems of loosening and damage of the die are effectively prevented.

Drawings

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

FIG. 2 is a schematic structural view of the stamping die assembly of the present invention;

FIG. 3 is a schematic top view of the worktable of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1;

FIG. 5 is an enlarged view of the structure at B in FIG. 2;

FIG. 6 is an enlarged schematic view of the top view structure of the middle press plate of the present invention engaged with the rectangular groove;

fig. 7 is an enlarged schematic view of the top view structure of the middle press plate of the present invention when it is engaged with the circular cavity.

Wherein: 1-workbench, 2-threaded hole, 3-stamping die, 4-positioning column, 5-containing cavity, 6-pull rod, 7-pressing plate, 8-locking nut, 9-limiting plate, 10-compression spring, 11-rectangular groove, 12-circular cavity, 13-rubber pad, 14-locknut, 15-pull ring, 16-supporting plate, 17-sliding groove, 18-telescopic column, 19-buffer spring, 20-limiting groove and 21-limiting block.

Detailed Description

The invention will be further described with reference to specific embodiments shown in the drawings.

Referring to fig. 1-7, the positioning assembly for a stamping die of the present invention comprises a plurality of threaded holes 2 formed at the periphery of a worktable 1, wherein the positions of the threaded holes 2 correspond to the positions of bolt holes of the stamping die 3 one by one, the stamping die 3 is screwed on the threaded holes 2 by bolts passing through the bolt holes, two positioning columns 4 are further disposed on the worktable 1, the positions of the positioning columns 4 correspond to the positions of positioning holes of the stamping die 3, and are used for positioning the stamping die 3, so that the stamping die 3 can vertically fall down; the middle of the workbench 1 on two sides of the positioning column 4 is provided with a containing cavity 5, a pull rod 6 is movably arranged in the containing cavity 5, one end of the pull rod 6 movably penetrates through the top of the workbench 1 and is connected with a pressing plate 7, the other end of the pull rod 6 movably penetrates through the bottom of the workbench 1, and a locking nut 8 is screwed on the pull rod 6 below the workbench 1, so that the pull rod 6 can slide up and down on the workbench 1, the pull rod 6 in the containing cavity 5 is provided with a limiting plate 9, the limiting plate 9 and the pull rod 6 between the bottom surfaces of the containing cavity 5 are sleeved with a compression spring 10, two ends of the compression spring 10 respectively reversely push against the limiting plate 9 and the bottom surface of the containing cavity 5, so that the pressing plate 7 is kept in the circular cavity 12, and when the stamping die 3 is locked, the friction force between the locking nut 18 and the threads of the workbench 1 and the pull rod 6 is increased, and the anti-loosening effect can be achieved. A rectangular groove 11 is formed in the position, corresponding to the position of the pressing plate 7, of the bottom of the stamping die 3, a circular cavity 12 is formed in the top of the rectangular groove 11, the pressing plate 7 penetrates through the rectangular groove 11 in a sliding mode and is arranged in the circular cavity 12 in a rotating mode, and the stamping die 3 can be placed on the workbench 1; still be equipped with the buffering subassembly that is used for 3 cushions stamping die at 1 tops of workstation, the problem of striking workstation 1 fast and damaging when preventing stamping die 3 from falling down.

The utility model discloses a positioning assembly, through set up assemblies such as pull rod 6, clamp plate 7 and lock nut 8 between the middle part of stamping die 3 and workstation 1, cooperate the peripheral bolt of stamping die 3 to carry out the location installation to stamping die 3, when the mould is installed, hang stamping die 3 to workstation 1 top, utilize locating column 4 and the locating hole cooperation of stamping die 4, support stamping die 3 and place on workstation 1, clamp plate 7 passes rectangular channel 11 and lies in circular cavity 12 at this moment; then, the pull rod 6 is rotated to drive the pressing plate 7 to rotate, so that the two ends of the pressing plate 7 are positioned above the circular cavities 12 on the two sides of the rectangular groove 11; then, the pull rod 6 is held by hand, the locking nut 8 is rotated by the other hand, the pull rod 6 is moved downwards by utilizing the threaded connection force, so that the pressing plate 7 extrudes the bottom surface of the circular cavity 12 (as shown in figures 6-7), and the middle part of the stamping die 3 is pressed and fixed; and finally, the bolt penetrates through the bolt hole to be screwed in the threaded hole 2, so that the stamping die 3 is fixed, and the stamping die is uniformly stressed in a multi-point fixing mode, so that the problems of loosening and damage of the die are effectively solved.

Preferably, a rubber pad 13 is further provided on the bottom surface of the pressing plate 7 to increase the friction between the pressing plate 7 and the bottom surface of the circular cavity 12, thereby further preventing the pressing plate 7 from rotating and loosening.

Preferably, a locknut 14 is also screwed on the pull rod 6 below the locking nut 8, so as to further prevent the problem of rotation of the pressure plate 7.

Preferably, a pull ring 15 is further provided at the end of the pull rod 6 below the working platform 1 to fix the pull rod 6.

Preferentially, all inlay in the inside of reference column 4 and be equipped with magnet, utilize magnet absorption stamping die 3, make things convenient for looking for of reference column 4 and locating hole.

Preferably, the buffering assembly comprises a supporting plate 16, a sliding groove 17 formed in the workbench 1 and an elastic assembly located in the sliding groove 17, wherein the supporting plate 16 is a U-shaped plate, one end of an opening of the U-shaped supporting plate 16 is slidably inserted into the sliding groove 17, the outer wall of the supporting plate 16 is in sliding contact with the inner wall of the sliding groove 17 to guide the sliding of the supporting plate 16, and the elastic assembly is connected with the bottoms of the supporting plate 16 and the sliding groove 17 to buffer the supporting plate 16. Further, the elastic component comprises two telescopic columns 18 and a buffer spring 19, wherein two ends of each telescopic column 18 are respectively connected with the bottom surfaces of the support plate 16 and the sliding groove 17, the buffer spring 19 is sleeved on the periphery of each telescopic column 18, and when the support plate 16 descends, the support plate 16 is buffered by the buffer spring 19.

Preferably, both sides of the bottom of the sliding groove 17 are further provided with a limiting groove 20, and correspondingly, both sides of the bottom of the supporting plate 16 are further provided with a limiting block 21, wherein the limiting block 21 is inserted into the limiting groove 20 in a sliding manner, so that the supporting plate 16 is prevented from being separated from the sliding groove 17.

The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.

Claims

1. The positioning assembly for the stamping die comprises a plurality of threaded holes (2) formed in the periphery of a workbench (1), wherein the positions of the threaded holes (2) correspond to the positions of bolt holes of the stamping die (3) one by one, and the positioning assembly is characterized in that two positioning columns (4) are further arranged on the workbench (1), and the positions of the positioning columns (4) correspond to the positions of positioning holes of the stamping die (3); the middle parts of the working tables (1) at the two sides of the positioning column (4) are provided with accommodating cavities (5), a pull rod (6) is movably arranged in the accommodating cavity (5), one end of the pull rod (6) movably penetrates through the top of the workbench (1) and is connected with a pressing plate (7), the other end of the pull rod (6) movably penetrates through the bottom of the workbench (1), a locking nut (8) is screwed on the pull rod (6) below the workbench (1), a limiting plate (9) is arranged on the pull rod (6) in the containing cavity (5), a compression spring (10) is sleeved on the pull rod (6) between the limiting plate (9) and the bottom surface of the containing cavity (5), a rectangular groove (11) is arranged at the position corresponding to the position of the pressing plate (7) at the bottom of the stamping die (3), the top of the rectangular groove (11) is provided with a circular cavity (12), and the pressure plate (7) penetrates through the rectangular groove (11) in a sliding manner and is arranged in the circular cavity (12) in a rotating manner; the top of the workbench (1) is also provided with a buffer component for buffering the stamping die (3).

2. The positioning assembly for a stamping die as claimed in claim 1, characterized in that the bottom surface of the pressure plate (7) is further provided with a rubber pad (13).

3. The positioning assembly for the stamping die according to claim 1, characterized in that a locknut (14) is also screwed on the tie rod (6) below the locknut (8).

4. The positioning assembly for a stamping die as claimed in claim 1, characterized in that the end of the tie rod (6) below the table (1) is further provided with a pull ring (15).

5. The positioning assembly for a stamping die as claimed in claim 1, wherein the positioning columns (4) are embedded with magnets.

6. The positioning assembly for the stamping die as claimed in any one of claims 1 to 5, wherein the buffer assembly comprises a support plate (16), a sliding groove (17) formed on the working table (1), and an elastic assembly located in the sliding groove (17), the support plate (16) is a U-shaped plate, one end of the opening of the U-shaped support plate (16) is slidably inserted into the sliding groove (17), and the elastic assembly is connected with the support plate (16) and the bottom of the sliding groove (17).

7. The positioning assembly for the stamping die as claimed in claim 6, wherein the elastic assembly comprises two telescopic columns (18) and a buffer spring (19), two ends of the telescopic columns (18) are respectively connected with the bottom surfaces of the support plate (16) and the sliding groove (17), and the buffer spring (19) is sleeved on the periphery of the telescopic columns (18).

8. The positioning assembly for the stamping die as claimed in claim 6, wherein two sides of the bottom of the sliding groove (17) are further provided with a limiting groove (20), correspondingly, two sides of the bottom of the support plate (16) are further provided with a limiting block (21), and the limiting block (21) is inserted into the limiting groove (20) in a sliding manner.