CN112620417A

CN112620417A - High-precision bending die capable of being formed flexibly

Info

Publication number: CN112620417A
Application number: CN202011607874.5A
Authority: CN
Inventors: 李德中; 韩晶
Original assignee: Wuxi Jinyuan Technology Development Co ltd
Current assignee: Wuxi Jinyuan Technology Development Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-04-09
Anticipated expiration: 2040-12-30
Also published as: CN112620417B

Abstract

The invention relates to the technical field of bending dies and discloses a high-precision bending die capable of being flexibly formed, which comprises a base, wherein a first forming die is arranged at the top of a base plate, clamping grooves are formed in four corners of the top of the base plate, a clamping block is correspondingly arranged at the bottom of the first forming die, a second forming die is arranged at the middle position of the bottom of an installation block, a limiting bolt is arranged in a second through hole, limiting holes are symmetrically formed in the top end of the second forming die, limiting blocks are symmetrically arranged at the top of the installation block, a sliding block is arranged in the sliding groove through a third reset spring, a stop block is arranged on the surface of the sliding block, and a movable groove is formed in. According to the high-precision bending die capable of being flexibly formed, due to the fact that the clamping block, the clamping groove, the limiting bolt, the limiting hole, the limiting block and the stopping block are arranged, the high-precision bending die has convenient replacement and installation functions, the forming die can be conveniently replaced in due time according to the needs of customers, the applicability is improved, the high-precision bending die is simple to install, and the working efficiency is effectively improved.

Description

High-precision bending die capable of being formed flexibly

Technical Field

The invention relates to the technical field of bending dies, in particular to a high-precision bending die capable of being flexibly formed.

Background

The bending machine is one of common devices in the sheet metal industry, mainly performs linear bending on a sheet metal, and can press the sheet metal into a certain geometric shape by adopting a simple die and process equipment. The bending machine mould is a tool for forming and processing plate material by bending machine, said tool is formed from various parts, and different products are formed from different moulds and different parts, and mainly utilizes the change of physical state of formed material to implement processing of article appearance, so that under the action of bending machine pressure the blank material can be formed into the tool with specific form and size, and the mould can be used for making various moulds and tools of required products by means of injection moulding, blow moulding, extrusion, die-casting or forging-pressing forming, smelting and stamping, etc. in the industrial production. In short, a mold is a tool used to shape an article, the tool being made up of various parts, and different molds being made up of different parts. The method realizes the processing of the appearance of the article mainly by changing the physical state of the formed material, and the article is called as 'industrial mother'. In the processing process of a workpiece, the workpiece is often required to be bent to form other shapes, a bending die is required at the moment, the bending die is a tool for forming and processing a plate material by a bending machine, the tool is composed of various parts, the shapes of the dies are different, and the processing of the appearance of an article is realized mainly through the change of the physical state of the formed material. The bending machine die is divided into an upper die and a lower die of the bending machine and is used for stamping and separating a plate material. The forming mold has a cavity and the separating mold has a cutting edge.

At present, the mould of bending is at the in-process that uses, operating personnel all puts the work piece that need bend at the top of the mould lower mould of bending, then move down through the bender drive mould, realize the punching press action of bending, and along with the progress of science and technology, present connector product is more and more little, it is more and more accurate, and the structural shape is also very inequality, but current mould function singleness of bending, only can realize that a work piece is bent, can't change different moulds of bending, it is single to lead to the work piece to bend back shaping form, can't satisfy the customer demand, the practicality is low, and simultaneously, when installing on the bender on the mould of will bending, traditional mounting means is through the bolt fastening, the installation is loaded down with trivial details, the operation is troublesome, seriously influence work efficiency, consequently, need improve it.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a high-precision bending die capable of being formed flexibly, which has the advantages of convenient installation function and convenient replacement function, solves the problems that only one workpiece can be bent in the actual use process due to single function of the existing bending die in the use process, the bending shape is single due to the incapability of replacing different bending dies, the requirement of a customer can not be met, and simultaneously, when an upper die of the bending die is installed on a bending machine, the traditional installation mode is fixed by bolts, the installation is complicated, the operation is troublesome and labor-consuming, and the working efficiency is influenced.

A high-precision flexible forming bending die comprises a base, wherein a die groove is arranged at the top of the base, fixed blocks are symmetrically arranged on the inner side of the die groove, a first trapezoidal block is arranged on one side of each fixed block, a supporting block is arranged in the middle of the inside of the die groove, a backing plate is arranged at the top of the supporting block, a first forming die is arranged at the top of the backing plate, clamping grooves are formed in four corners of the top of the backing plate, clamping blocks are correspondingly arranged at the bottom of the first forming die, an installation block is arranged right above the die groove, a second trapezoidal block is arranged at the bottom of the installation block, a second forming die is arranged in the middle of the bottom of the installation block, second through holes are formed in the front and the back of the installation block, a limiting bolt is arranged in the second through hole, and limiting holes are symmetrically formed in the top end of the second forming, the top symmetry of installation piece is provided with the stopper, be provided with the punching press head between the stopper, the spout has been seted up on the surface of punching press head, the slider is installed through third reset spring in the inside of spout, the surface mounting of slider has the dog, the movable groove has been seted up on the surface of punching press head.

Preferably, the inner side surface of the fixing block is provided with a mounting groove, a second return spring is mounted inside the mounting groove, and the second return spring is connected with the first trapezoid block.

Preferably, the top of the supporting block is provided with a groove, the bottom of the backing plate is provided with an extension block, and the inside of the groove is connected with the extension block through a first return spring.

Preferably, the fixture block is arranged inside the fixture groove.

Preferably, the end part of the limiting bolt is arranged in the limiting hole, and a convex block is arranged on the surface of the limiting bolt.

Preferably, the limiting block is L-shaped and is arranged inside the movable groove.

Preferably, the extension block and the groove have the same size, and the second molding die is arranged right above the first molding die.

Preferably, the bottom of the mounting block is provided with a first through hole, and the top end of the second forming die is arranged inside the first through hole.

Preferably, the first through hole and the second through hole are connected to each other.

Compared with the prior art, the invention has the following beneficial effects:

1. this but nimble shaping of high accuracy mould of bending through setting up stopper, movable groove, third reset spring and dog, make the invention have convenient installation function, make things convenient for operating personnel to install the mould, easy operation, time saving and labor saving effectively improves work efficiency, when using, operating personnel aims at the movable groove with the stopper, then push the installation piece, make the stopper insert the inside of movable groove fast, then third reset spring pushes the slider under self characteristic, make it remove and drive the dog in the inside of spout, and then can keep off the dog in the both sides of movable groove, thereby realize spacing fixed, convenient and fast, and when dismantling, only need promote the dog, make it leave the both sides of movable groove, and take the stopper out the movable groove can realize dismantling the action, and easy operation effectively improves work efficiency.

2. The high-precision flexible forming bending die has the advantages that the clamping block, the clamping groove, the limiting bolt and the limiting hole are arranged, so that the high-precision flexible forming bending die has the convenient replacement function, the forming dies in different shapes can be conveniently replaced, further, the workpiece can be bent into different shapes by punching, thereby meeting the requirements of customers, effectively improving the applicability, when in use, an operator can insert the clamping block into the clamping groove to realize fast clamping and fixing of the first forming die, then, the top end of the second forming die is inserted into the first through hole, and the limiting bolt is inserted into the second through hole, so that the tail end of the limiting bolt can be inserted into the limiting hole for further limiting treatment, the second forming die is clamped quickly, the operation is simple, convenience and rapidness are realized, workpieces in different shapes can be stamped and bent conveniently by replacing forming dies in different shapes, and the stamping die has high applicability.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at A according to the present invention;

FIG. 4 is a side view at B of FIG. 1 in accordance with the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1 at C according to the present invention;

FIG. 6 is a schematic view of the end of the punch head of the present invention.

In the figure: 1. a base; 2. a first trapezoidal block; 3. a mold slot; 4. a second molding die; 5. mounting blocks; 6. a limiting block; 7. punching a head; 8. a stopper; 9. a second trapezoidal block; 10. a fixed block; 11. a third return spring; 12. a support block; 13. a first return spring; 14. a base plate; 15. a clamping block; 16. a first molding die; 17. a card slot; 18. an extension block; 19. a groove; 20. a first jack; 21. a second jack; 22. a limiting bolt; 23. a limiting hole; 24. a bump; 25. mounting grooves; 26. a second return spring; 27. a chute; 28. a slider; 29. a movable groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a high-precision flexible forming bending mold comprises a base 1, a mold groove 3 is installed at the top of the base 1, fixing blocks 10 are symmetrically arranged at the inner sides of the mold groove 3, first trapezoidal blocks 2 are arranged at one sides of the fixing blocks 10, an installation groove 25 is formed in the inner side surface of each fixing block 10, a second return spring 26 is installed inside each installation groove 25, the second return spring 26 is connected with the first trapezoidal block 2, the first trapezoidal block 2 can move towards a first forming mold 16 after being pushed by the second trapezoidal block 9, the second return spring 26 is stretched during moving, after bending is finished, the second return spring 26 pulls the first trapezoidal block 2 to the original position according to the characteristics of the second trapezoidal block, automatic resetting is realized, a supporting block 12 is arranged at the middle position inside the mold groove 3, a backing plate 14 is arranged at the top of the supporting block 12, the top of the supporting block 12 is provided with a groove 19, the bottom of the backing plate 14 is provided with an extension block 18, the extension block 18 and the groove 19 are the same in size, the inside of the groove 19 is connected with the extension block 18 through a first return spring 13, so that the backing plate 14 can drive the extension block 18 in the downward moving process to be embedded into the groove 19 and compress the first return spring 13, after bending, the first return spring 13 can generate thrust for restoring deformation according to the characteristics of the first return spring 13 and push the backing plate 14, so that the backing plate 14 pushes a first forming die 16 and ejects a bent workpiece out of a die groove 3 to be conveniently taken by an operator, the top of the backing plate 14 is provided with the first forming die 16, four corners of the top of the backing plate 14 are provided with clamping grooves 17, the bottom of the first forming die 16 is correspondingly provided with clamping blocks 15, the clamping blocks 15 are arranged inside the clamping grooves 17, and the clamping blocks 15 and the clamping grooves 17 can be mutually clamped, the rapid clamping of the first forming die 16 is realized, the mounting block 5 is arranged right above the die groove 3, the second trapezoidal block 9 is arranged at the bottom of the mounting block 5, the second forming die 4 is arranged at the middle position of the bottom of the mounting block 5, the second forming die 4 is arranged right above the first forming die 16, the front and the back of the mounting block 5 are both provided with second through holes 21, the bottom of the mounting block 5 is provided with a first through hole 20, the top end of the second forming die 4 is arranged inside the first through hole 20, the first through hole 20 and the second through hole 21 are connected with each other, the inside of the second through hole 21 is provided with a limiting bolt 22, the top end of the second forming die 4 is symmetrically provided with a limiting hole 23, the end part of the limiting bolt 22 is arranged inside the limiting hole 23, a bump 24 is arranged on the surface of the limiting bolt 22, and an operator can conveniently insert the top end of the second forming die 4 into the first through hole 20, and insert the limit bolt 22 into the second through hole 21, so that the tail end of the limit bolt 22 can be inserted into the limit hole 23, further limit treatment is carried out, and the second forming die 4 is clamped quickly, when disassembling, an operator can extract the limit bolt 22 from the second through hole 21 through the bump 24 and take the second forming die 4 out of the first through hole 20, the top of the mounting block 5 is symmetrically provided with limit blocks 6, a punching head 7 is arranged between the limit blocks 6, the surface of the punching head 7 is provided with a chute 27, the inside of the chute 27 is provided with a slide block 28 through a third return spring 11, the surface of the slide block 28 is provided with a stop block 8, the surface of the punching head 7 is provided with a movable groove 29, the limit block 6 is arranged in an L shape, the limit block 6 is arranged inside the movable groove 29, when installing the upper die of the bending die, the operator aligns the limit block 6 with the movable groove 29, then push installation piece 5 for stopper 6 inserts the inside of activity groove 29 fast, and then third reset spring 11 pushes slider 28 under the characteristic of self, makes it remove and drive dog 8 in the inside of spout 27, and then can keep off dog 8 in the both sides of activity groove 29, thereby realizes spacing fixed, convenient and fast, and during the dismantlement, only need promote dog 8, makes it leave the both sides of activity groove 29, and take stopper 6 out activity groove 19 can.

During working, an operator can insert the clamping block 15 at the bottom of the replaced first forming die 16 into the clamping groove 17 according to the requirements of customers, so that the first forming die 16 can be quickly clamped and fixed;

then, the top end of the second molding die 4 is inserted into the first through hole 20, and the limiting bolt 22 is inserted into the second through hole 21, so that the tail end of the limiting bolt 22 can be inserted into the limiting hole 23 for further limiting, and the second molding die 4 can be quickly clamped, thereby realizing replacement;

at the moment, an operator puts a workpiece to be bent on the top of the first forming die 16, then the punching head 7 is driven by the bending machine to move downwards, and the mounting block 5 drives the second forming die 4 to move downwards, so that the front end of the second forming die is abutted to the top of the workpiece;

then, the first trapezoid block 2 is inserted into the first forming die 16, and drives the first forming die 16 to move downwards, while the backing plate 14 drives the extension block 18 to compress the first return spring 13 under the condition of stress, so that the extension block 18 is inserted into the groove 19, and meanwhile, the second trapezoid block 9 is inserted into a gap between the first trapezoid block 2 and the fixed block 10 during the descending process, so that the first trapezoid block 2 moves towards the first forming die 16 under the condition of stress;

the second return spring 26 is stretched in the moving process, the bending workpiece is extruded, the bending action is realized, after the stamping, bending and resetting are realized by bending, the first return spring 13 can restore the deformation according to the characteristics of the first return spring and push the first forming die 16, so that the bent die is ejected out of the die groove 3, and an operator can conveniently take the die;

when the forming die needs to be replaced, firstly, the forming die used before is taken down, and secondly, an operator inserts the clamping block 15 at the bottom of the replaced first forming die 16 into the clamping groove 17, so that the first forming die 16 is clamped and fixed quickly;

then, inserting the top end of the second molding die 4 into the first through hole 20, and inserting the limiting bolt 22 into the second through hole 21, so that the tail end of the limiting bolt 22 can be inserted into the limiting hole 23, further limiting, and realizing rapid clamping of the second molding die 4;

through setting up the stopper, the movable groove, third reset spring and dog, make the invention have convenient installation function, make things convenient for operating personnel to install the mould, easy operation, time saving and labor saving effectively improve work efficiency, when using, operating personnel aims at the movable groove with the stopper, then push the installation piece, make the stopper insert the inside of movable groove fast, then third reset spring pushes the slider under self characteristic, make it remove and drive the dog in the inside of spout, and then can keep off the dog in the both sides of movable groove, thereby realize spacing fixed, convenient and fast, and when dismantling, only need promote the dog, make it leave the both sides of movable groove, and take the movable groove out with the stopper and can realize dismantling the action, easy operation, effectively improve work efficiency.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but flexible shaping mould of bending of high accuracy, includes base (1), its characterized in that: the die is characterized in that a die groove (3) is installed at the top of the base (1), fixed blocks (10) are symmetrically arranged on the inner side of the die groove (3), first trapezoidal blocks (2) are arranged on one sides of the fixed blocks (10), supporting blocks (12) are arranged in the middle positions of the interior of the die groove (3), backing plates (14) are arranged on the tops of the supporting blocks (12), first forming dies (16) are arranged on the tops of the backing plates (14), clamping grooves (17) are formed in four corners of the tops of the backing plates (14), clamping blocks (15) are correspondingly arranged at the bottoms of the first forming dies (16), an installation block (5) is arranged right above the die groove (3), second trapezoidal blocks (9) are installed at the bottom of the installation block (5), second forming dies (4) are arranged in the middle positions of the bottoms of the installation block (5), and second through holes (21) are formed in the front and the back of the installation block (5), the inside of second through-hole (21) is provided with spacing bolt (22), spacing hole (23) have been seted up to the top symmetry of second forming die (4), the top symmetry of installation piece (5) is provided with stopper (6), be provided with between stopper (6) punching press head (7), spout (27) have been seted up on the surface of punching press head (7), slider (28) are installed through third reset spring (11) in the inside of spout (27), the surface mounting of slider (28) has dog (8), movable groove (29) have been seted up on the surface of punching press head (7).

2. The high-precision flexible forming bending die according to claim 1, characterized in that: mounting groove (25) have been seted up to the medial surface of fixed block (10), the internally mounted of mounting groove (25) has second reset spring (26), and second reset spring (26) are connected with first trapezoidal piece (2).

3. The high-precision flexible forming bending die according to claim 1, characterized in that: the top of the supporting block (12) is provided with a groove (19), the bottom of the backing plate (14) is provided with an extension block (18), and the inside of the groove (19) is connected with the extension block (18) through a first return spring (13).

4. The high-precision flexible forming bending die according to claim 1, characterized in that: the clamping block (15) is arranged in the clamping groove (17).

5. The high-precision flexible forming bending die according to claim 1, characterized in that: the end of the limiting bolt (22) is arranged in the limiting hole (23), and a convex block (24) is arranged on the surface of the limiting bolt (22).

6. The high-precision flexible forming bending die according to claim 1, characterized in that: the limiting block (6) is L-shaped, and the limiting block (6) is arranged inside the movable groove (29).

7. The high-precision flexible forming bending die according to claim 1, characterized in that: the extension block (18) and the groove (19) are the same in size, and the second forming die (4) is arranged right above the first forming die (16).

8. The high-precision flexible forming bending die according to claim 1, characterized in that: a first through hole (20) is formed in the bottom of the mounting block (5), and the top end of the second forming die (4) is arranged inside the first through hole (20).

9. The high-precision flexible forming bending die according to claim 8, characterized in that: the first through hole (20) and the second through hole (21) are connected with each other.