CN220196053U

CN220196053U - Stamping die convenient to change stamping die head

Info

Publication number: CN220196053U
Application number: CN202321633206.9U
Authority: CN
Inventors: 张大志
Original assignee: Dongguan Xunda Precision Mold Co ltd
Current assignee: Dongguan Xunda Precision Mold Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-12-19
Anticipated expiration: 2033-06-26

Abstract

The utility model discloses a stamping die convenient for replacing a stamping die head, which comprises a lower die and an upper die, wherein the upper die is arranged above the lower die, and a clamping structure is arranged at the bottom of the upper die; the clamping structure comprises a fixed block, an installation cavity, a fixed rod, a bidirectional threaded rod, a first connecting block, a second connecting block, a clamping block and a rotating rod, wherein the fixed block is installed at the bottom of the upper die, and the installation cavity is formed in the fixed block. According to the utility model, the stamping head is clamped through the clamping structure, the stamping head can be conveniently and quickly replaced after being worn, the clamping grooves on the clamping blocks can be suitable for stamping heads with different sizes, the rotating rod is rotated to drive the bidirectional threaded rod to rotate, the second connecting block relatively moves on the bidirectional threaded rod, and the first connecting block is matched to slide on the fixed rod, so that the clamping blocks are mutually close, and stamping heads with different sizes can be clamped in the fixed block.

Description

Stamping die convenient to change stamping die head

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a stamping die with a stamping die head convenient to replace.

Background

A stamping die is a special process equipment for processing a material (metal or nonmetal) into a part (or a semi-finished product) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a material is pressed at room temperature by a die attached to a press to be separated or plastically deformed, thereby obtaining a desired part.

When stamping die carries out stamping operation, the shape size that the material punching press produced is changed through stamping die head, and stamping die head is general as an organic whole with the mould, need change whole mould when changing, consequently, proposes a stamping die convenient to change stamping die head.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a stamping die which is convenient for replacing a stamping die head.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the stamping die comprises a lower die and an upper die, wherein the upper die is arranged above the lower die, and a clamping structure is arranged at the bottom of the upper die;

the clamping structure comprises a fixed block, an installation cavity, a fixed rod, a bidirectional threaded rod, a first connecting block, a second connecting block, a clamping block and a rotating rod, wherein the fixed block is installed at the bottom of the upper die, the installation cavity is formed in the fixed block, the fixed rod is installed in the installation cavity, the first connecting block is symmetrically arranged on the fixed rod, the bidirectional threaded rod is connected with the internal rotation of the installation cavity, the second connecting block is symmetrically arranged on the bidirectional threaded rod, the rotating rod is installed at one end of the bidirectional threaded rod, and the clamping block is installed between the first connecting block and the second connecting block.

Further, the connecting rod is symmetrically arranged on the lower die, the transverse plate is arranged at the top end of the connecting rod, the air cylinder is symmetrically arranged on the transverse plate, and the telescopic end of the air cylinder is fixedly connected with the upper die.

Further, the upper die is symmetrically provided with sliding blocks, connecting holes matched with the connecting rods are formed in the two groups of sliding blocks, the sliding blocks are slidably connected to the connecting rods, and the fixing blocks are provided with stamping heads.

Further, the inside of two sets of second connecting block is provided with the screw hole with two-way threaded rod looks adaptation, the front of fixed block is provided with the through-hole with bull stick looks adaptation, the bull stick extends to the inside of fixed block and two-way threaded rod's one end fixed connection through this through-hole.

Further, two groups of clamping blocks are arranged in total, the two groups of clamping blocks are fixedly connected with the first connecting block and the second connecting block, and clamping grooves are formed in one ends, opposite to the clamping blocks, of the clamping blocks.

Further, the inside of fixed block is located the top of installation cavity and has seted up the slot, the slot is linked together with the installation cavity, the top symmetry of fixed block is provided with the screw, two sets of the fixture block is installed to the opposite one end of screw, the symmetry is provided with the draw-in hole with fixture block looks adaptation on the punching press head.

The beneficial effects of the utility model are as follows:

through the clamping structure who sets up, carry out the centre gripping with the punching press head, conveniently carry out quick replacement with the punching press head after the punching press head has wearing and tearing, the grip slot on the grip block is applicable to not unidimensional punching press head, rotates the bull stick, and the bull stick drives two-way threaded rod and rotates, and the second connecting block carries out relative movement on two-way threaded rod, and cooperation first connecting block slides on the dead lever, is close to each other the grip block, can be with the inside centre gripping of equidimension punching press head at the dead lever.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a stamping die for facilitating replacement of a stamping die head according to the present utility model;

FIG. 2 is a top view showing the internal structure of a fixing block of a stamping die for facilitating replacement of a stamping die head according to the present utility model;

FIG. 3 is a front view showing the internal structure of a fixing block of a stamping die for facilitating replacement of a stamping die head according to the present utility model;

fig. 4 is a side view of a stamping head structure of a stamping die for facilitating replacement of the stamping die head according to the present utility model.

In the figure: 1. a lower die; 2. a connecting rod; 3. a cross plate; 4. a cylinder; 5. an upper die; 6. a slide block; 7. a fixed block; 8. punching heads; 9. a mounting cavity; 10. a fixed rod; 11. a two-way threaded rod; 12. a first connection block; 13. a second connection block; 14. a clamping block; 15. a rotating rod; 16. a slot; 17. a screw; 18. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 and 4, a stamping die for facilitating replacement of a stamping die head comprises a lower die 1 and an upper die 5, wherein the upper die 5 is arranged above the lower die 1, and a clamping structure is arranged at the bottom of the upper die 5;

the connecting rod 2 is symmetrically installed on the lower die 1, the transverse plate 3 is installed at the top of the connecting rod 2, the air cylinders 4 are symmetrically installed on the transverse plate 3, the telescopic ends of the air cylinders 4 are fixedly connected with the upper die 5, the sliding blocks 6 are symmetrically installed on the upper die 5, two groups of sliding blocks 6 are internally provided with connecting holes matched with the connecting rod 2, the sliding blocks 6 are slidably connected on the connecting rod 2, the fixing blocks 7 are provided with stamping heads 8, clamping holes matched with clamping blocks 18 are symmetrically formed in the stamping heads 8, the two groups of air cylinders 4 drive the upper die 5 to lift, and the stamping heads 8 are driven to move downwards together when the upper die 5 moves downwards to perform stamping.

Referring to fig. 2 and 3, the clamping structure comprises a fixed block 7, a mounting cavity 9, a fixed rod 10, a bidirectional threaded rod 11, a first connecting block 12, a second connecting block 13, a clamping block 14 and a rotating rod 15, wherein the fixed block 7 is mounted at the bottom of the upper die 5, the mounting cavity 9 is arranged in the fixed block 7, the fixed rod 10 is mounted in the mounting cavity 9, the first connecting block 12 is symmetrically arranged on the fixed rod 10, the bidirectional threaded rod 11 is rotationally connected in the mounting cavity 9, the second connecting block 13 is symmetrically arranged on the bidirectional threaded rod 11, the rotating rod 15 is mounted at one end of the bidirectional threaded rod 11, and the clamping block 14 is mounted between the first connecting block 12 and the second connecting block 13;

the inside of two sets of second connecting block 13 is provided with the screw hole with the adaptation of two-way threaded rod 11, the front of fixed block 7 is provided with the through-hole with bull stick 15 looks adaptation, bull stick 15 extends to the inside of fixed block 7 and the one end fixed connection of two-way threaded rod 11 through this through-hole, grip block 14 is provided with two sets ofly altogether grip block 14 all with first connecting block 12 and second connecting block 13 fixed connection, and grip block 14 relative one end is provided with the grip groove, and the grip groove is the V font, conveniently carries out the centre gripping with the punching press head 8 of different diameter sizes, slot 16 has been seted up to the inside of fixed block 7 in the top of installation cavity 9, slot 16 is linked together with installation cavity 9, the top symmetry of fixed block 7 is provided with screw 17, two sets of fixture block 18 are installed to the one end that screw 17 is relative.

Working principle: when the punching press head 8 is used, the rotating rod 15 is rotated anticlockwise, the rotating rod 15 drives the bidirectional threaded rod 11 to rotate, the bidirectional threaded rod 11 drives the two groups of second connecting blocks 13 to move away from each other, the two groups of second connecting blocks 13 move away from each other and simultaneously cooperate with the two groups of first connecting blocks 12 to slide away from each other on the fixed rod 10, the two groups of clamping blocks 14 move, the clamping blocks 14 are separated from the punching press head 8 and are not clamped on the outer side of the punching press head 8 any more, the two groups of screws 17 are rotated, the screws 17 move on the fixed block 7, the clamping blocks 18 are withdrawn in clamping holes at the top end of the punching press head 8, the punching press head 8 is taken down on the fixed block 7, the new punching press head 8 is replaced, the punching press head 8 is inserted into the fixed block 7, the clamping holes at two sides of the punching press head 8 correspond to the clamping blocks 18, the screws 17 are rotated, the clamping blocks 18 are clamped into clamping holes on the punching press head 8, the rotating rod 15 is rotated clockwise, the clamping blocks 14 move close to each other, and the punching press head 8 is clamped inside the fixed block 7.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

Claims

1. The stamping die is characterized by comprising a lower die (1) and an upper die (5), wherein the upper die (5) is arranged above the lower die (1), and a clamping structure is arranged at the bottom of the upper die (5);

the clamping structure comprises a fixed block (7), a mounting cavity (9), a fixed rod (10), a bidirectional threaded rod (11), a first connecting block (12), a second connecting block (13), a clamping block (14) and a rotating rod (15), wherein the fixed block (7) is mounted at the bottom of the upper die (5), the mounting cavity (9) is formed in the fixed block (7), the fixed rod (10) is mounted in the mounting cavity (9), the first connecting block (12) is symmetrically arranged on the fixed rod (10), the bidirectional threaded rod (11) is connected to the inner rotation of the mounting cavity (9), the second connecting block (13) is symmetrically arranged on the bidirectional threaded rod (11), the rotating rod (15) is mounted at one end of the bidirectional threaded rod (11), and the clamping block (14) is mounted between the first connecting block (12) and the second connecting block (13).

2. The stamping die convenient for replacing stamping die heads according to claim 1, wherein connecting rods (2) are symmetrically arranged on the lower die (1), transverse plates (3) are arranged at the top ends of the connecting rods (2), air cylinders (4) are symmetrically arranged on the transverse plates (3), and telescopic ends of the air cylinders (4) are fixedly connected with the upper die (5).

3. The stamping die convenient for replacing stamping die heads according to claim 1, wherein the upper die (5) is symmetrically provided with sliding blocks (6), connecting holes matched with the connecting rods (2) are formed in the two groups of sliding blocks (6), the sliding blocks (6) are slidably connected to the connecting rods (2), and the fixing blocks (7) are provided with stamping heads (8).

4. The stamping die convenient for replacing stamping die heads according to claim 1, wherein threaded holes matched with the bidirectional threaded rods (11) are formed in the two groups of second connecting blocks (13), through holes matched with the rotating rods (15) are formed in the front faces of the fixed blocks (7), and the rotating rods (15) extend to the inside of the fixed blocks (7) through the through holes and are fixedly connected with one ends of the bidirectional threaded rods (11).

5. The stamping die convenient for replacing stamping die heads according to claim 1, wherein two groups of clamping blocks (14) are provided, the two groups of clamping blocks (14) are fixedly connected with the first connecting block (12) and the second connecting block (13), and clamping grooves are formed in opposite ends of the clamping blocks (14).

6. A stamping die convenient for replacing stamping die heads according to claim 3, characterized in that the inside of the fixed block (7) is provided with a slot (16) above the mounting cavity (9), the slot (16) is communicated with the mounting cavity (9), the top of the fixed block (7) is symmetrically provided with screws (17), two groups of opposite ends of the screws (17) are provided with clamping blocks (18), and clamping holes matched with the clamping blocks (18) are symmetrically formed in the stamping head (8).