CN218798410U

CN218798410U - Double-bending forming die

Info

Publication number: CN218798410U
Application number: CN202223478334.9U
Authority: CN
Inventors: 张国平; 张国芳; 张景
Original assignee: Dongguan Eko Cnc Science And Technology Co ltd
Current assignee: Dongguan Eko Cnc Science And Technology Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-04-07
Anticipated expiration: 2032-12-26

Abstract

The utility model provides a two bending forming die, including the die holder of bending, bend the work piece and bend the mould, the double bending forming mechanism is installed at the top of die holder of bending, bend the fixed connection of output of last mould and servo bender, bend and go up the mould and be located double bending forming mechanism directly over, the work piece of bending is arranged in double bending forming mechanism surface and is bent the shaping through servo bender, module and jacking piece's effect down under the bending of double bending forming tool setting through the setting, move down and step down when the work piece receives the mould of bending and pushes down the effect, can bend into the box-like with the work piece of bending of plate dress fast simultaneously, and can compensate through the compensating assembly work piece side after bending and bend, thereby can make the work piece tolerance of bending after the double bending reduce, promote the precision of bending the work piece.

Description

Double-bending forming die

Technical Field

The utility model relates to a mould technical field of bending specifically is a two bending forming die.

Background

The stamping die is a special process equipment for processing metal or nonmetal materials into parts or semi-finished products in the stamping process, and is called as the stamping die. A press working method for obtaining a desired part by applying a pressing force to a material to cause separation or plastic deformation by using a die mounted on a press.

When the existing stamping die is used for stamping and bending a workpiece once, the workpiece bending tolerance size difference is large, the workpiece bending tolerance size difference is realized by opening and closing a plurality of dies for many times, a plurality of dies need to be designed in the stamping mode, a large amount of time is consumed, particularly, when small-scale parts are produced or sampled, a large amount of research and development cost and production cost need to be input by an enterprise, and on the basis, the double-bending forming die which has the compensation function, can be used for double-bending the plate rapidly, saves the production time and reduces the production cost has high practicability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two forming die that bend to solve the problem that above-mentioned background art provided.

In order to achieve the above purpose, the utility model provides a following technical scheme: the double-bending forming die comprises a bending lower die holder, a bending workpiece and a bending upper die, wherein a double-bending forming mechanism is installed at the top of the bending lower die holder, the bending upper die is fixedly connected with the output end of a servo bending machine, the bending upper die is positioned right above the double-bending forming mechanism, and the bending workpiece is placed on the surface of the double-bending forming mechanism and is bent and formed through the servo bending machine;

the double-bending forming mechanism comprises a bending lower module arranged at the top of a bending lower die holder, a T-shaped groove is formed in the middle of the bending lower module, a plurality of mounting holes are formed in the bottom of the T-shaped groove, guide pins are mounted in the mounting holes, a first compression spring is sleeved outside the guide pins in the mounting holes, compensation assemblies are mounted on the side walls of two sides of the T-shaped groove, a jacking block is arranged between the two compensation assemblies in the T-shaped groove, and the jacking block is connected with the first compression spring.

As a further description of the present invention: the compensating assembly is including seting up a plurality of fixed slots in T shape recess both sides lateral wall, install the fixed pin in the fixed slot, the outside cover that is located the fixed pin in the fixed slot is equipped with second compression spring, a plurality of second compression springs that are located the homonymy all with compensation piece fixed connection, the transversal L form of personally submitting of compensation piece.

As a further description of the present invention: and the two sides of the bent lower module are fixedly connected with material supporting plates through screws, and the cross sections of the material supporting plates are L-shaped.

As a further description of the invention: when the first compression spring and the second compression spring are in the initial state, the tops of the material supporting plate, the bending lower module and the compensation block are in the same horizontal plane.

As a further description of the present invention: the cross section of the jacking block is T-shaped, and the size of the bottom end of the jacking block is matched with that of the bottom end of the T-shaped groove.

As a further description of the invention: and positioning pins are arranged at the top ends of the two material supporting plates, and the positioning pins are arranged between the bending workpieces.

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

(1) Under the action of a bending lower module and a jacking block which are arranged on the double-bending forming tool, when a bending workpiece is pressed down by a bending upper die, the bending workpiece moves downwards to move, meanwhile, the bending workpiece arranged on a plate can be quickly bent into a box shape, and the side surface of the bent workpiece can be compensated and bent through a compensation assembly, so that the bending tolerance of the workpiece after double bending is reduced, the bending precision of the bending workpiece is improved, the production cost can be effectively reduced particularly when small-scale parts are produced or sampled, and the double-bending forming tool is good in practicability;

(2) The double-bending forming mechanism comprises a bending lower module, a compensation assembly, a first compression spring, a jacking block, a material supporting plate and the like, is simple and compact in structure and convenient to install and debug, accurately positions a bending workpiece through a positioning pin, and bends an upper bending die downwards, so that the workpiece is formed at one time, and the requirement of a drawing processing size is met; the retainer plate can be detached and changed according to actual processing requirements.

Drawings

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

fig. 2 is a schematic view of a splitting structure of the middle double-bending forming mechanism of the present invention;

fig. 3 is an enlarged schematic structural view of fig. 2 at a in the present invention;

fig. 4 is a schematic structural view of a double-bending forming mechanism of the present invention;

fig. 5 is a schematic cross-sectional view of a double-fold bending forming mechanism according to the present invention.

In the figure: 1. bending the lower die base; 2. bending the upper die; 3. a double bending forming mechanism; 31. bending the lower module; 32. a T-shaped groove; 33. mounting holes; 34. a guide pin; 35. a first compression spring; 36. a compensation component; 361. fixing grooves; 362. a fixing pin; 363. a second compression spring; 364. a compensation block; 37. jacking blocks; 38. a material supporting plate; 4. bending the workpiece; 5. and positioning the pin.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a double-bending forming die comprises a bending lower die holder 1, a bending workpiece 4 and a bending upper die 2, wherein a double-bending forming mechanism 3 is installed at the top of the bending lower die holder 1, the bending upper die 2 is fixedly connected with the output end of a servo bending machine, the bending upper die 2 is positioned right above the double-bending forming mechanism 3, and the bending workpiece 4 is arranged on the surface of the double-bending forming mechanism 3 and is bent and formed through the servo bending machine;

the double-bending forming mechanism 3 comprises a bending lower module 31 mounted at the top of a bending lower die holder 1, a T-shaped groove 32 is formed in the middle of the bending lower module 31, a plurality of mounting holes 33 are formed in the bottom of the T-shaped groove 32, a guide pin 34 is mounted in each mounting hole 33, a first compression spring 35 is sleeved outside each guide pin 34 in each mounting hole 33, compensation assemblies 36 are mounted on the side walls of two sides of each T-shaped groove, a jacking block 37 is arranged between two compensation assemblies 36 in each T-shaped groove 32, and each jacking block 37 is connected with the corresponding first compression spring 35.

Specifically, the bending upper die 2 is driven by the servo bending machine to move downwards, so that the jacking block 37 is extruded to extrude the jacking block 37 to extrude the first compression spring 35, and the bending upper die 2 bends the bending workpiece 4 in the T-shaped groove 32.

In this embodiment, the compensating assembly 36 includes a plurality of fixing grooves 361 formed on the sidewalls of the T-shaped groove 32, a fixing pin 362 is installed in the fixing groove 361, a second compression spring 363 is sleeved outside the fixing pin 362 in the fixing groove 361, the second compression springs 363 on the same side are all fixedly connected to a compensating block 364, and the cross section of the compensating block 364 is L-shaped.

Specifically, when the bent workpiece 4 is bent into a box shape in the T-shaped groove 32, the second compression spring 363 provides thrust for the compensation block 364, so that the compensation block 364 is used for performing compensation bending on the side surface of the bent workpiece, the bending tolerance of the bent workpiece 4 is reduced, and the bending precision of the bent workpiece 4 is higher.

In this embodiment, the retainer plates 38 are fixedly connected to both sides of the bending lower module 31 by screws, and the cross section of each retainer plate 38 is L-shaped.

Specifically, the bent workpiece 4 can be placed by the retainer plate 38.

In this embodiment, when the first compression spring 35 and the second compression spring 363 are in the initial state, the top portions of the retainer plate 38, the bending lower module 31, and the compensating block 364 are located at the same horizontal plane.

Specifically, the tops of the retainer plate 38, the bending lower module 31 and the compensation block 364 are located on the same horizontal plane, so that when the bending workpiece 4 is placed at the top of the retainer plate 38 for bending, the bending precision is higher.

In this embodiment, the cross section of the jacking block 37 is T-shaped, and the size of the bottom end of the jacking block 37 is matched with that of the bottom end of the T-shaped groove 32.

In particular, the jacking block 37 can be conveniently lifted in the T-shaped groove 32.

In the embodiment, the top ends of the two retainer plates 38 are respectively provided with the positioning pins 5, and the positioning pins 5 are arranged between the bending workpieces 4.

Specifically, the bending placement position of the bending workpiece 4 can be positioned by the positioning pin 5.

The working principle is as follows: the bending workpiece 4 is placed at the top of the retainer plate 38, the bending placing position of the bending workpiece 4 is positioned through the positioning pin 5, the bending workpiece 2 descends through the drive of a servo bending machine, the bending workpiece 2 is bent to the bending workpiece 4, in the bending process, the bending workpiece 4 downwards extrudes the jacking block 37, the jacking block 37 descends in the T-shaped groove 32 and extrudes the first compression spring 35, the bending workpiece 4 is bent into a box shape in the T-shaped groove 32, then the servo bending machine transversely moves to drive the bending workpiece 2 to be taken out from the end of the bending workpiece 4 bent into the box shape, at the moment, the second compression spring 363 provides thrust for the compensation block 364, so that the compensation block 364 compensates and bends the two sides of the bending workpiece 4, the bending tolerance can be effectively reduced, meanwhile, the first compression spring 35 recovers deformation to push the jacking block 37 to lift up the bending workpiece after forming, a worker can take off the bending workpiece after forming conveniently, the worker can bend the workpiece by 4-time bending by the compensation assembly 36, the tolerance after bending workpiece is effectively reduced, the bending tolerance is effectively improved, the bending efficiency of the bending workpiece after the bending workpiece is improved, and the workpiece is conveniently taken off, and the workpiece after the workpiece is effectively improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, substitutions, and improvements can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a two bending forming die, includes die holder (1), work piece (4) and the mould (2) of going up of bending, its characterized in that: the bending die comprises a bending lower die holder (1), a double-bending forming mechanism (3) and a servo bending machine, wherein the top of the bending lower die holder (1) is provided with the double-bending forming mechanism (3), a bending upper die (2) is fixedly connected with the output end of the servo bending machine, the bending upper die (2) is positioned right above the double-bending forming mechanism (3), and a bending workpiece (4) is arranged on the surface of the double-bending forming mechanism (3) and is bent and formed through the servo bending machine;

two forming mechanism (3) of bending are including installing in the lower module (31) of bending at die holder (1) top of bending, T shape recess (32) have been seted up at the middle part of lower module (31) of bending, a plurality of mounting holes (33) have been seted up to the bottom of T shape recess (32), install uide pin (34) in mounting hole (33), the outside cover that is located uide pin (34) in mounting hole (33) is equipped with first compression spring (35), compensation assembly (36) are all installed to the both sides lateral wall of T shape recess, be located between two compensation assembly (36) in T shape recess (32) and be provided with jacking piece (37), jacking piece (37) are connected with first compression spring (35).

2. The double bend forming die according to claim 1, wherein: the compensation assembly (36) comprises a plurality of fixing grooves (361) formed in side walls of two sides of the T-shaped groove (32), fixing pins (362) are installed in the fixing grooves (361), second compression springs (363) are sleeved outside the fixing pins (362) in the fixing grooves (361), the second compression springs (363) on the same side are fixedly connected with a compensation block (364), and the cross section of the compensation block (364) is L-shaped.

3. The double bend forming die according to claim 1, wherein: both sides of the bending lower module (31) are fixedly connected with material supporting plates (38) through screws, and the cross sections of the material supporting plates (38) are L-shaped.

4. The double-fold bending molding die according to claim 2, wherein: when the first compression spring (35) and the second compression spring (363) are in the initial state, the tops of the retainer plate (38), the bending lower module (31) and the compensation block (364) are in the same horizontal plane.

5. The double bend forming die according to claim 1, wherein: the cross section of the jacking block (37) is T-shaped, and the size of the bottom end of the jacking block (37) is matched with that of the bottom end of the T-shaped groove (32).

6. The double bend forming die according to claim 3, wherein: and positioning pins (5) are arranged at the top ends of the two material supporting plates (38).