CN212216788U

CN212216788U - Self-locking stamping die

Info

Publication number: CN212216788U
Application number: CN202020506465.5U
Authority: CN
Inventors: 修启
Original assignee: Qingdao Ke Xin Yuan Machinery Co ltd
Current assignee: Qingdao Ke Xin Yuan Machinery Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-12-25
Anticipated expiration: 2030-04-09

Abstract

The utility model belongs to the technical field of stamping die, especially, from locking-type stamping die, including base and stamping die body, the top central point of base puts and has seted up the mounting groove, and the spring groove has all been seted up to the four corners position of mounting groove bottom inner wall, and first recess has all been seted up to the bottom of base both sides, and is linked together with the first recess of one side with two spring grooves respectively, and four equal movable mounting in the spring groove have the ejector pin, and the one end of four ejector pins all extends to in the mounting groove, and the other end of four ejector pins extends to in two first recesses respectively, and fixed the cup jointing has the stopper on the ejector pin, and stopper and spring groove looks adaptation, and the spring has been cup jointed in the activity on the ejector pin, and. The utility model discloses simple structure, reasonable in design, convenient operation can not only carry out the location that stabilizes to stamping die, can realize stamping die's quick replacement moreover.

Description

Self-locking stamping die

Technical Field

The utility model relates to a stamping die technical field especially relates to a from locking-type stamping die.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) 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 die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part. At present, a die combined press machine is used for producing stamping parts, and most of the connection modes of a lower die of the die and a press machine workbench at the present stage still adopt the traditional bolt connection mode.

The patent with publication number CN105382095B discloses a spring self-locking type stamping die, which comprises a stamping die, wherein the stamping die is arranged on a base; the base is provided with an object carrying seat, and the stamping die is arranged on the object carrying seat; the base is provided with a supporting spring which is arranged at the bottom of the object carrying seat; be equipped with the limiting plate on carrying the thing seat, the limiting plate is equipped with the locking plate to the face of facing inwards, and the locking plate passes through the jump ring to be connected with the limiting plate. But this stamping die's auto-lock structure adopts the spring joint, and the structure is unstable, and in the actual stamping process, the mould easily shifts, leads to the product to scrap, exists improvement space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a self-locking stamping die.

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

a self-locking stamping die comprises a base and a stamping die body, wherein a mounting groove is formed in the center of the top of the base, spring grooves are formed in the four corners of the inner wall of the bottom of the mounting groove, first grooves are formed in the bottoms of the two sides of the base, the first grooves on the same side are respectively communicated with the two spring grooves, ejector rods are movably mounted in the four spring grooves, one ends of the four ejector rods extend into the mounting groove, the other ends of the four ejector rods extend into the two first grooves, limiting blocks are fixedly sleeved on the ejector rods and are matched with the spring grooves, springs are movably sleeved on the ejector rods, one ends of the springs are fixedly mounted at the bottoms of the limiting blocks, the other ends of the springs are fixedly mounted on the inner wall of the bottoms of the spring grooves, first fixing shafts are fixedly mounted in the two first grooves, and first connecting blocks are movably sleeved on the two first, the one end fixed mounting of first connecting block has the trapezoidal piece that is located first recess, and the bottom of ejector pin contacts with the top of trapezoidal piece, and the other end that first connecting block extends to outside the first recess rotates the one end of installing the second connecting block, and the other end of second connecting block rotates installs the fixture block.

Preferably, the stamping die body is movably mounted in the mounting groove, and the top of the stamping die body extends out of the mounting groove.

Preferably, the second grooves are formed in the tops of two sides of the base, and the mounting groove is located between the two second grooves.

Preferably, the second fixing shafts are fixedly mounted in the two second grooves, and the clamping blocks are movably sleeved on the second fixing shafts.

Preferably, the first connecting block and the fixture block are arranged in parallel.

Compared with the prior art, the beneficial effects of the utility model are that:

through the cooperation of the base, the first fixed shaft, the first connecting block, the ejector rods, the limiting blocks, the spring, the trapezoidal block, the second connecting block and other parts, when a stamping die needs to be installed, the stamping die body is placed into the installation groove, the stamping die body simultaneously extrudes the four ejector rods under the action of gravity, and the bottom of the ejector rods is in contact with the trapezoidal block, so that the angle of the trapezoidal block relative to the first groove is changed, the angle of the first connecting block fixedly detached from the trapezoidal block is changed, the second connecting block is moved upwards, one end of the clamping block is moved upwards due to the rotary connection relationship between the second connecting block and the clamping block, the angle between the clamping block and the base is changed, when the bottom of the stamping die body is completely in contact with the bottom of the installation groove, the end, close to each other, of the two clamping blocks just extrudes the stamping die body, and the purpose of positioning the stamping die body, when the stamping die needs to be replaced, the stamping die body is taken out, the ejector rod is restored to the initial state due to the restoring force of the spring, and the trapezoidal block is not acted by force, so that the fixture block returns to the initial state, and the stamping die body can be replaced. The utility model discloses simple structure, reasonable in design, convenient operation can not only carry out the location that stabilizes to stamping die, can realize stamping die's quick replacement moreover.

Drawings

Fig. 1 is a schematic structural view of a self-locking stamping die provided by the present invention;

fig. 2 is a schematic view of the self-locking structure of fig. 1 of a self-locking stamping die provided by the present invention;

fig. 3 is the utility model provides a from the base top view of fig. 1 of locking-type stamping die.

In the figure: the stamping die comprises a base 1, a stamping die body 2, a mounting groove 3, a spring groove 4, a first groove 5, a first fixing shaft 6, a first connecting block 7, an ejector rod 8, a limiting block 9, a spring 10, a trapezoidal block 11, a second connecting block 12, a second groove 13, a second fixing shaft 14 and a clamping block 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a self-locking stamping die comprises a base 1 and a stamping die body 2, wherein a mounting groove 3 is formed in the center of the top of the base 1, spring grooves 4 are formed in the four corners of the inner wall of the bottom of the mounting groove 3, first grooves 5 are formed in the bottoms of the two sides of the base 1, the first grooves 5 on the same side are respectively communicated with the two spring grooves 4, ejector rods 8 are movably mounted in the four spring grooves 4, one end of each ejector rod 8 extends into the mounting groove 3, the other end of each ejector rod 8 extends into the two first grooves 5, a limiting block 9 is fixedly sleeved on each ejector rod 8, the limiting block 9 is matched with the spring grooves 4, a spring 10 is movably sleeved on each ejector rod 8, one end of the spring 10 is fixedly mounted at the bottom of the limiting block 9, the other end of the spring 10 is fixedly mounted on the inner wall of the bottom of the spring grooves 4, first fixing shafts 6, the two first fixing shafts 6 are movably sleeved with first connecting blocks 7, one end of each first connecting block 7 is fixedly provided with a trapezoidal block 11 positioned in the first groove 5, the bottom of each ejector rod 8 is in contact with the top of the trapezoidal block 11, the other end of each first connecting block 7 extending out of the first groove 5 is rotatably provided with one end of a second connecting block 12, the other end of each second connecting block 12 is rotatably provided with a clamping block 15, the stamping die body 2 simultaneously extrudes the four ejector rods 8 due to the action of gravity, the bottom of each ejector rod 8 is in contact with the trapezoidal block 11, so that the angle of each trapezoidal block 11 relative to the first groove 5 is changed, the angle of each first connecting block 7 fixedly connected and detached with the trapezoidal block 11 is changed, the second connecting block 12 moves upwards, and one end of each clamping block 15 moves upwards due to the rotary connection relationship between the second connecting block 12 and the clamping block 15, the angle between the fixture blocks 15 and the base 1 is changed, when the bottom of the stamping die body 2 is completely contacted with the bottom of the mounting groove 3, one end of each fixture block 15, which is close to each other, just extrudes the stamping die body 2, and therefore the purpose of positioning the stamping die body 2 is achieved.

The utility model discloses in, 2 movable mounting of stamping die body are in mounting groove 3, and the top of stamping die body 2 extends to outside mounting groove 3.

The utility model discloses in, second recess 13 has all been seted up at the top of 1 both sides of base, and mounting groove 3 is located between two second recesses 13.

The utility model discloses in, equal fixed mounting has second fixed axle 14 in two second recesses 13, and the activity of fixture block 15 cup joints on second fixed axle 14, and fixture block 15 can use first fixed axle 14 to rotate as the center.

The utility model discloses in, first connecting block 7 and fixture block 15 looks parallel arrangement, first connecting block 7 rotates and can drive fixture block 15 synchronously and rotate for the angle between fixture block 15 and the base 1 changes.

The working principle is as follows:

when the stamping die needs to be installed, the stamping die body 2 is placed into the installation groove 3, the stamping die body 2 simultaneously extrudes the four ejector rods 8 due to the action of gravity, the bottom of each ejector rod 8 is in contact with the trapezoidal block 11, so that the angle of the trapezoidal block 11 relative to the first groove 5 is changed, the angle of the first connecting block 7 fixedly forgeable with the trapezoidal block 11 is changed, the second connecting block 12 moves upwards, one end of each clamping block 15 moves upwards due to the rotary connection relationship between the second connecting block 12 and the corresponding clamping block 15, so that the angle between the corresponding clamping block 15 and the base 1 is changed, when the bottom of the stamping die body 2 is completely in contact with the bottom of the installation groove 3, the end, close to each other, of the two clamping blocks 15 just extrudes the stamping die body 2, so that the stamping die body 2 is positioned, and the stamping die needs to be replaced, the stamping die body 2 is taken out, the ejector rod 8 is restored to the initial state due to the restoring force of the spring 10, the trapezoidal block 11 is not acted by force, and therefore the clamping block 15 is enabled to return to the initial state, and the stamping die body 2 can be replaced. The utility model discloses simple structure, reasonable in design, convenient operation can not only carry out the location that stabilizes to stamping die, can realize stamping die's quick replacement moreover.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A self-locking stamping die comprises a base (1) and a stamping die body (2), and is characterized in that a mounting groove (3) is formed in the center of the top of the base (1), spring grooves (4) are formed in the four corners of the inner wall of the bottom of the mounting groove (3), first grooves (5) are formed in the bottoms of the two sides of the base (1), the first grooves (5) on the same side are respectively communicated with the two spring grooves (4), ejector rods (8) are movably mounted in the four spring grooves (4), one ends of the four ejector rods (8) extend into the mounting groove (3), the other ends of the four ejector rods (8) extend into the two first grooves (5), a limiting block (9) is fixedly sleeved on the ejector rods (8), the limiting block (9) is matched with the spring grooves (4), a spring (10) is movably sleeved on the ejector rods (8), the one end fixed mounting of spring (10) is in the bottom of stopper (9), the other end fixed mounting of spring (10) is on the bottom inner wall of spring groove (4), equal fixed mounting has first fixed axle (6) in two first recesses (5), equal movable sleeve has first connecting block (7) on two first fixed axles (6), the one end fixed mounting of first connecting block (7) has trapezoidal piece (11) that are located first recess (5), and the bottom of ejector pin (8) contacts with the top of trapezoidal piece (11), the one end of second connecting block (12) is installed in the other end rotation that first connecting block (7) extend to outside first recess (5), the other end rotation of second connecting block (12) installs fixture block (15).

2. The self-locking stamping die according to claim 1, wherein the stamping die body (2) is movably mounted in the mounting groove (3), and the top of the stamping die body (2) extends out of the mounting groove (3).

3. The self-locking stamping die according to claim 1, wherein the top of both sides of the base (1) is provided with second grooves (13), and the mounting groove (3) is located between the two second grooves (13).

4. The self-locking stamping die according to claim 3, wherein a second fixed shaft (14) is fixedly installed in each of the two second grooves (13), and the fixture block (15) is movably sleeved on the second fixed shaft (14).

5. The self-locking stamping die according to claim 1, wherein the first connecting block (7) and the clamping block (15) are arranged in parallel.