CN218855396U

CN218855396U - One-step forming and bending die of progressive die

Info

Publication number: CN218855396U
Application number: CN202223088848.3U
Authority: CN
Inventors: 徐建滔; 孙智芳; 陈小红
Original assignee: Shanghai Juxiang Precision Mold Co ltd
Current assignee: Shanghai Juxiang Precision Mold Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-04-14
Anticipated expiration: 2032-11-17

Abstract

The utility model provides a one-step forming and bending die for a progressive die, which comprises an upper die mechanism and a lower die mechanism and is characterized in that an upper die insert is arranged on the upper die mechanism, the lower die mechanism is provided with a first lower die insert, a second lower die insert and a pendulum bob, the pendulum bob is arranged in pairs and positioned between the first lower die insert and the second lower die insert, a first containing cavity is arranged below the pendulum bob, a second containing cavity is arranged on the lower die insert, the first chamber that holds the intracavity with the second and is equipped with the pendulum spring, goes into the son through setting up fixed first lower mould, pendulum and the formula of floating second lower mould that can the horizontal hunting for the lower mould has good motivity, and the pendulum also can cooperate the upper mould to go into the son and bend the work piece both sides, and the setting up of spring everywhere makes the lower mould be unlikely to warp when being extrudeed and damages, and the completion is bent and is taken off also can resume the original state very fast after the material.

Description

One-step forming bending die for progressive die

Technical Field

The utility model relates to a mould processing technology field especially relates to a modulus of continuity one shot forming mould of bending.

Background

The die is a tool for making a blank into a finished piece with a specific shape and size under the action of external force, and is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy piece pressing, pressure casting and compression molding or injection molding processing of products such as engineering plastics, rubber, ceramics and the like. The mould has a specific contour or inner cavity shape, and the blank can be separated according to the contour line by using the contour shape with the cutting edge.

The mould of bending is the instrument that the bender was used for the contour machining sheet material, this kind of instrument has various parts to constitute, different moulds comprise different parts, it mainly realizes the processing of article appearance through the change of the shaping material physical state, be used for making the blank become the instrument that has the finished piece of specific shape and size under the effect of bender pressure, mould and lower mould are used to the mould of bending that exists widely at present, bend the work piece during the compound die, but the lower mould often lacks the motivity when using, it is easy to warp in long-term use, cause the work piece degree of buckling not enough, the incomplete phenomenon of bending, when going up mould pressure increase, damage the lower mould easily, influence the life of mould, consequently need to design the comparatively nimble mould of bending of a lower mould urgent need.

SUMMERY OF THE UTILITY MODEL

In view of present tradition mould lower mould of bending lacks the active nature, is caused the work piece to bend incompletely by extrusion deformation easily, and damages the phenomenon that influences mould life easily, the utility model provides a modulus of continuity one shot forming mould of bending is gone into son, pendulum and the formula of floating second lower mould of horizontal hunting through setting up fixed first lower mould for the lower mould has good active nature, and the pendulum also can cooperate the upper mould to go into son and bend the work piece both sides.

In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:

a one-step forming and bending die of a progressive die comprises an upper die mechanism and a lower die mechanism, and is characterized in that an upper die insert is arranged on the upper die mechanism, the lower die mechanism is provided with a first lower die insert, a second lower die insert and a pendulum bob, the pendulum sets up in pairs, lies in that first lower mould goes into between the son and the second lower mould goes into between the son, and the pendulum below is provided with the first chamber that holds, is provided with the second on the lower mould goes into the son and holds the chamber, and the first chamber that holds the intracavity with the second and is equipped with the pendulum spring.

According to an aspect of the present invention, the upper mold insert is of an inverted convex structure.

According to the utility model discloses an aspect, lower mould mechanism from the top down is equipped with the lower bolster in proper order, lower mould backing plate, die holder and pad foot.

According to an aspect of the present invention, the first lower die insert, the second lower die insert and the pendulum are all disposed on the lower template.

According to an aspect of the present invention, the second lower mold insert is a concave structure, and the second lower mold insert is a floating lower mold insert.

According to the utility model discloses an aspect, first lower mould goes into sub-middle part still to be equipped with the third and holds the chamber, second lower mould goes into sub-bottom and locates the third and hold the intracavity.

According to the utility model discloses an aspect, be equipped with in the lower mould backing plate and take off the material round pin, take off the material round pin and pass the third and hold the chamber, sub-top of mould income under the butt second.

According to an aspect of the utility model, be equipped with in the die holder and take off the material spring, take off material spring butt and take off the material round pin.

According to the utility model discloses an aspect, lower die mechanism still includes the ejector pin, and in the lower bolster, lower mould backing plate and lower bolster were worn to locate by the ejector pin, the son butt is gone into to the ejector pin top and second lower mould.

According to the utility model discloses an aspect, the ejector pin bottom still is equipped with the ejector pin spring, the ejector pin spring is located in lower bolster and the pad foot.

The utility model discloses the advantage of implementing: the utility model provides a one-step forming and bending die for a progressive die, which comprises an upper die mechanism and a lower die mechanism and is characterized in that an upper die insert is arranged on the upper die mechanism, the lower die mechanism is provided with a first lower die insert, a second lower die insert and a pendulum bob, the pendulum bob is arranged in pairs and positioned between the first lower die insert and the second lower die insert, a first containing cavity is arranged below the pendulum bob, a second containing cavity is arranged on the lower die insert, first chamber and the second of holding holds the intracavity and is equipped with the pendulum spring, goes into the son through setting up fixed first lower mould, pendulum and the buoyancy lift formula second lower mould that can the horizontal hunting for the lower mould has good motivity, and the pendulum also can cooperate and go into the son and bend the work piece both sides in the mould, and the setting up of spring everywhere makes the lower mould be unlikely to the deformation damage when being extruded, and the completion is bent and is taken off also can the reconversion very fast after the material.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a one-step forming bending die of a progressive die of the present invention;

fig. 2 is a schematic view of a first lower mold insert structure of the present invention;

fig. 3 is a schematic view of a second lower mold insert structure of the present invention;

fig. 4 is a schematic structural view of a pendulum bob of the present invention;

fig. 5 is a schematic diagram of a mold closing process of the present invention.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and fig. 2, a bending die for one-step forming of a progressive die comprises an upper die mechanism and a lower die mechanism, wherein an upper die insert 1 is arranged on the upper die mechanism, the lower die mechanism is provided with a first lower die insert 211, a second lower die insert 214 and a pendulum bob 212, the pendulum bob 212 is arranged in pairs and is located between the first lower die insert 211 and the second lower die insert 214, a first accommodating cavity 215 is arranged below the pendulum bob 212, a second accommodating cavity 216 is arranged on the first lower die insert 211, and a pendulum bob spring 213 is arranged in the first accommodating cavity 215 and the second accommodating cavity 216.

In practical application, go up mould income 1 and all done to go the squarely and handled for protruding type structure, go up mould income 1 bulge and both ends, go up mould income 1 and along with last mould mechanism downstream when the compound die, bend work piece 3 through its bulge, through the extrusion of last mould income 1 for work piece 3 bends into "U" type.

In practical applications, the first receiving cavity 215 and the second receiving cavity 216 are rectangular, and the pendulum spring 213 is disposed in the first receiving cavity 215 of the pendulum 212 at the upper half and in the second receiving cavity 216 of the first lower mold insert 211 at the lower half.

In practical application, the lower die mechanism is provided with a lower die plate 21, a lower die backing plate 22, a lower die base 23 and a foot pad 24 from top to bottom in sequence, the lower die backing plate 22 is embedded into the lower die base 23, and the foot pad 24 is arranged below the lower die base 23 and abutted to the lower die base 23.

In practical applications, the first lower mold insert 211, the second lower mold insert 214, and the pendulum 212 are disposed on the lower mold plate 21.

In practical application, the second lower die insert 214 is of a concave structure, the second lower die insert 214 is of a floating lower die insert, the concave structure at the top of the second lower die insert 214 is matched with the convex structure of the upper die insert 1, bending of the workpiece 3 is completed under combined action during die assembly, the lower part of the concave structure is arc-shaped and matched with the inner side shape of the pendulum bob 212, the pendulum bob 212 cannot extrude the second lower die insert 214 during die assembly, and damage to the second lower die insert 214 due to die assembly is avoided.

In practical application, the middle of the first lower die insert 211 is further provided with a third accommodating cavity 217, the bottom of the second lower die insert 214 is arranged in the third accommodating cavity 217, the second lower die insert 214 can slide up and down in the third accommodating cavity 217 through a floating structure of the second lower die insert, so that the function of clamping the workpiece 3 is realized, in the die assembly process, the second lower die insert 214 is extruded by the upper die insert 1 to move downwards, and when the bottom of the second lower die insert 214 abuts against the bottom of the third accommodating cavity 217, the die assembly is completed.

In practical application, a stripping pin 221 is arranged in the lower die cushion plate 22, the stripping pin 221 passes through the third accommodating cavity 217 and abuts against the top of the second lower die insert 214, the second lower die insert 214 is pressed by the upper die insert 1 to move downwards during die assembly, and the stripping pin 221 is also pressed downwards.

In practical application, a stripping spring 232 is arranged in the lower die holder 23, the stripping spring 232 abuts against the stripping pin 221, when the stripping pin 221 moves downward, the stripping spring 232 is in a compressed state, when the lower die mechanism leaves the workpiece 3, pressure applied to the stripping spring 232 disappears, the stripping spring 232 restores to the original state, and the stripping pin 221 is ejected back to the original position.

In practical application, the lower die mechanism further comprises a top rod 231, the top rod 231 penetrates through the lower die base 23, the lower die backing plate 22 and the lower die plate 21, and the top of the top rod 231 is abutted to the second lower die insert 214.

In practical application, the bottom of the ejector rod 231 is further provided with an ejector rod spring 241, the ejector rod spring 241 is arranged in the lower die holder 23 and the pad 24, when the second lower die insert 214 is extruded by the upper die insert 1 to move downwards, the bottom of the second lower die insert 214 is abutted to the top of the ejector rod 231 to drive the ejector rod 231 to move downwards, the ejector rod spring 241 is in a compressed state, when the lower die mechanism leaves the workpiece 3, the ejector rod spring 241 is restored and pushes the ejector rod 231 back to the original position, and the second lower die insert 214 is also restored to the original position under the action of the ejector rod 231.

In practice, the clamping process is shown in FIG. 3.

The utility model discloses the advantage of implementing: the utility model provides a modulus of continuity one shot forming mould of bending, including last mold mechanism and lower mold mechanism, it goes into son 1 to be equipped with the mould on the last mold mechanism, lower mold mechanism is equipped with first mould and goes into son 211, second mould and goes into son 214 and pendulum 212, pendulum 212 sets up in pairs, lie in between first mould goes into son 211 and the second mould and goes into son 214, pendulum 212 below is provided with first chamber 215 that holds, it holds chamber 216 to be provided with the second on first mould goes into son 211, first chamber 215 and the second of holding holds intracavity 216 and is equipped with pendulum spring 213, go into son 211 through setting up fixed first mould, but left and right sides wobbling pendulum 212 and the formula of floating second lower mould 214 of going into for the lower mould has good motivity, pendulum 212 also can cooperate to go into son 1 and bend 3 both sides of work piece, the setting of spring makes the lower mould be unlikely to warp and damages when being extruded, accomplish to bend and take off and also can resume the original state very fast after the material.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A one-step forming bending die of a progressive die comprises an upper die mechanism and a lower die mechanism, and is characterized in that an upper die insert (1) is arranged on the upper die mechanism, the lower die mechanism is provided with a first lower die insert (211), a second lower die insert (214) and pendulum bob (212), the pendulum bob (212) is arranged in pairs, be located between first lower mould income (211) and second lower mould income (214), pendulum (212) below is provided with first chamber (215) that holds, is provided with the second on first lower mould income (211) and holds chamber (216), and first chamber (215) and the second of holding are equipped with pendulum spring (213) in holding chamber (216).

2. A progressive die one-shot forming bender according to claim 1, characterised in that said upper die insert (1) is of inverted convex configuration.

3. The continuous die one-step forming bending die of claim 1, wherein the lower die mechanism is provided with a lower die plate (21), a lower die backing plate (22), a lower die base (23) and a foot pad (24) from top to bottom in sequence.

4. The one-step forming bending die for the progressive die according to claim 3, wherein the first lower die insert (211), the second lower die insert (214) and the pendulum bob (212) are all arranged on the lower die plate (21).

5. The continuous die one-shot forming bending die of claim 3, wherein the second lower die insert (214) is of a concave structure, and the second lower die insert (214) is a floating lower die insert.

6. The one-step forming bending die of the progressive die as claimed in claim 5, wherein a third accommodating cavity (217) is further formed in the middle of the first lower die insert (211), and the bottom of the second lower die insert (214) is disposed in the third accommodating cavity (217).

7. The one-step forming bending die for the continuous die according to claim 6, wherein a stripping pin (221) is arranged in the lower die backing plate (22), and the stripping pin (221) penetrates through the third accommodating cavity (217) and abuts against the top of the second lower die insert (214).

8. The continuous die one-step forming bending die as claimed in claim 7, wherein a stripping spring (232) is arranged in the lower die holder (23), and the stripping spring (232) abuts against the stripping pin (221).

9. The one-step forming and bending die of the progressive die as claimed in claim 7, wherein the lower die mechanism further comprises a top rod (231), the top rod (231) is arranged in the lower die base (23), the lower die backing plate (22) and the lower die plate (21) in a penetrating manner, and the top of the top rod (231) is abutted to the second lower die insert (214).

10. The one-step forming and bending die of the progressive die as claimed in claim 9, wherein a mandrel spring (241) is further disposed at the bottom of the mandrel (231), and the mandrel spring (241) is disposed in the lower die holder (23) and the foot pad (24).