CN109108162B - A kind of Bending Mould with springback compensation function - Google Patents
A kind of Bending Mould with springback compensation function Download PDFInfo
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- CN109108162B CN109108162B CN201810954681.3A CN201810954681A CN109108162B CN 109108162 B CN109108162 B CN 109108162B CN 201810954681 A CN201810954681 A CN 201810954681A CN 109108162 B CN109108162 B CN 109108162B
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- compensation
- several
- die holder
- lower die
- bending
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention relates to mould applications, specifically a kind of Bending Mould with springback compensation function, including hydraulic device and lower die holder, the hydraulic device is mounted on the side of lower die holder, the hydraulic device is equipped with upper mold, the upper mold is equipped with die cavity, the upper mold is located at the surface of lower die holder and the both ends of upper mold and is equipped with deviation correction mechanism, the lower die holder is equipped with rebounding mechanism, the upper end of the rebounding mechanism is equipped with lower mold, the both ends of the lower mold are equipped with Bending Mould, the upper surface of two Bending Moulds is arc-shaped, the side of two Bending Moulds is equipped with compensation mechanism.The beneficial effects of the invention are as follows can prevent workpiece bending part overcompensation, while compensation bending angle can be adjusted according to the material of workpiece, so that its scope of application is wider.
Description
Technical field
The present invention relates to mould applications, specifically a kind of Bending Mould with springback compensation function.
Background technique
In the process of workpiece, it is often necessary to carry out bending processing to workpiece, so that workpiece is formed other shapes, still
Elastic force of the workpiece after bending due to its own has certain rebound effect, and leading to many workpiece, bending angle reaches upon rebound
Less than standard, cause workpiece unqualified.
China Patent No. is that CN105396914B discloses a kind of bending springback compensation mold, and upper mold includes upper die holder and convex
Mould, punch-pin has base angle compatible with product bending angle, and there is bending to compensate angle；Lower die includes that can be rotated cavity plate, can be turned
Dynamic cavity plate installation on the lower die holder, has bending slot compatible with punch-pin base angle, and lower die holder is equipped with to rotatably recessed
The first resetting-mechanism that mould resets.It can be rotated on cavity plate and centering block be installed.In mold closing course, upper mold moves from top to bottom,
Punch-pin compresses stripper plate, and stripper plate, which drives, can be rotated cavity plate rotation, is closed initial stage, centering block is rotated with cavity plate and swung, with mould
Tool closure carries out, and the pushing block in upper mold starts to contact with centering block.When mold is closed into position, pushing block is located in centering block
Side, and its lower end is resisted against on the medial surface of centering block.The mold squeezes swinging cavity die by punch-pin and centering block makes swinging cavity die
It is squeezed with both ends of the centering block to workpiece, so that the bending two ends of workpiece have a certain degree, but in the actual processing process, by
Different in the material of workpiece, the offset angle for resulting in the need for alignment bending part is different, and above-mentioned mold can not change offset angle,
The workpiece bending that unlike material can only be adapted to by replacement swinging cavity die and centering block, causes its application range smaller.
Secondly, the workpiece made of the material of the same race has certain area in terms of offset angle in use
Not, therefore identical bending angle will lead to some workpiece bending part overcompensations, and the workpiece of overcompensation can also be stuck in punch-pin
On, influence the method for continuing working, and not handled the workpiece of overcompensation in above-mentioned patent of mold.
Summary of the invention
The purpose of the present invention is to provide a kind of Bending Moulds with springback compensation function, to solve above-mentioned background technique
The problem of middle proposition.
The technical scheme is that including hydraulic device and lower die holder, the hydraulic device is mounted on the side of lower die holder
Side, the hydraulic device are equipped with upper mold, and the upper mold is equipped with die cavity, and the upper mold is located at the surface of lower die holder
And the both ends of upper mold are equipped with deviation correction mechanism, the lower die holder is equipped with rebounding mechanism, and the upper end of the rebounding mechanism is equipped with
Lower mold, the both ends of the lower mold are equipped with Bending Mould, and the upper surface of two Bending Moulds is arc-shaped, and two
The side of the Bending Mould is equipped with compensation mechanism.
In a preferred embodiment of the present invention, each deviation correction mechanism include correction block, correction bar, the first spring and
Telescopic rod, the correction block are rotatably connected in die cavity, and one end of the correction bar and correction block are integrally formed, the upper mold
It is equipped with telescopic hole, first spring is mounted in telescopic hole, and one end of the telescopic rod is plugged in telescopic hole and with the
One end of one spring is fixedly connected, and the other end of the telescopic rod is equipped with the correction wheel being rotatablely connected with it.
In a preferred embodiment of the present invention, each deviation correction mechanism includes correction block, correction bar, telescopic rod, tooth
Wheel and correction motor, the correction block are rotatably connected in die cavity, and one end of the correction bar and correction block are integrally formed, described
Upper mold is equipped with telescopic hole, and the telescopic rod is mounted in telescopic hole and telescopic rod is equipped with rack gear, on the telescopic rod
Rack and pinion engagement, correction motor is fixedly connected with upper mold and the output end for motor of rectifying a deviation is fixedly connected with gear.
In a preferred embodiment of the present invention, the rebounding mechanism includes that several spring back columns and several second springs,
The lower die holder is equipped with several rebound holes, and the lower end of several rebound columns is plugged on respectively in several rebound holes, several
A second spring is respectively sleeved on several rebound columns.
In a preferred embodiment of the present invention, the lower die holder is equipped with several limited blocks, and all limited blocks are under
Die holder is integrally formed.
In a preferred embodiment of the present invention, each compensation mechanism includes lifting platform and compensation component, the liter
Drop platform is located above one end of lower die holder, and the compensation component is mounted on the upper end of lifting platform.
In a preferred embodiment of the present invention, the compensation component includes sliding rail, compensation cylinder, sliding shoe and compensation
Block, the compensation cylinder is in being horizontally set on lifting platform, and the sliding rail is mounted on the upper end of lifting platform and sliding rail is located at compensation
The front of cylinder, the sliding shoe is fixedly connected with the output end of compensation cylinder and the lower end of sliding shoe is slidably matched with sliding rail,
One end of the compensation block and sliding shoe is hinged.
In a preferred embodiment of the present invention, the side wall of the die cavity is equipped with several notches, sets on the lower mold
There are several convex blocks, several described convex blocks and several described notches correspond.
In a preferred embodiment of the present invention, two Bending Moulds pass through bolt and are fixedly connected with lower die holder.
The present invention provides a kind of Bending Mould with springback compensation function by improving herein, compared with prior art,
Have the advantages that as follows improve and:
(1) both ends of workpiece can be squeezed by the cooperating of two components of rectifying a deviation, so as to avoid work
Part overcompensation prevents workpiece card on the upper mold；
(2) offset angle that compensation component drives workpiece bending can be adjusted by adjusting the stroke of compensation cylinder, thus
When the workpiece to unlike material is processed, offset angle can be adjusted, so that it is in standard state after workpiece rebound, so that
The mold is suitable for processing the workpiece of a variety of unlike materials；
(3) lower die holder is connected with Bending Mould by bolt, the Bending Mould different with replacement easy to disassemble, to change
It exchanges work the diameter of part bending part.
Detailed description of the invention
The present invention is further explained with reference to the accompanying drawings and examples:
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is top view of the invention；
Fig. 3 is cross-sectional view of the Fig. 2 along line A-A；
Fig. 4 is the enlarged drawing in Fig. 3 at B；
Fig. 5 is the schematic perspective view of compensation mechanism in the present invention；
Fig. 6 is the top view of the embodiment of the present invention two；
Fig. 7 is cross-sectional view of the Fig. 6 along line C-C；
Description of symbols: hydraulic device 1, lower die holder 2, upper mold 3, die cavity 4, deviation correction mechanism 5, rectify a deviation block 5a, correction
Bar 5b, the first spring 5c, telescopic rod 5d, telescopic hole 5e, correction wheel 5f, rebounding mechanism 6, rebound column 6a, second spring 6b are sprung back
Hole 6c, lower mold 7, Bending Mould 8, compensation mechanism 9, lifting platform 9a, compensation component 9b, sliding rail 9b1 compensate cylinder 9b2, sliding
Block 9b3, compensation block 9b4, gear 10, motor 11 of rectifying a deviation, rack gear 12, limited block 13, notch 14, convex block 15.
Specific embodiment
Below in conjunction with attached drawing 1 to Fig. 7, the present invention is described in detail, technical solution in the embodiment of the present invention into
Row clearly and completely describes, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
The present invention provides a kind of Bending Mould with springback compensation function by improving herein；
Embodiment one: as Figure 1-Figure 5, including hydraulic device 1 and lower die holder 2, the hydraulic device 1 are mounted on lower die
The side of seat 2, the hydraulic device 1 are equipped with upper mold 3, and the upper mold 3 is equipped with die cavity 4, under the upper mold 3 is located at
The surface of die holder 2 and the both ends of upper mold 3 are equipped with deviation correction mechanism 5, and the lower die holder 2 is equipped with rebounding mechanism 6, and described time
The upper end for playing mechanism 6 is equipped with lower mold 7, and the both ends of the lower mold 7 are equipped with Bending Mould 8, two Bending Moulds 8
Upper surface is arc-shaped, and the side of two Bending Moulds 8 is equipped with compensation mechanism 9；Hydraulic device 1 uses existing dress
It sets, is moved down by 1 task driven upper mold 3 of hydraulic device, upper mold 3 is by the workpiece on rebounding mechanism 6 and rebounding mechanism 6
It presses downwardly together, when workpiece is moved at two Bending Moulds 8, passes through upper mold 3, lower mold 7 and two Bending Moulds 8
The groove body of formation squeezes workpiece, so that the both ends bending of workpiece to certain angle, passes through two compensation mechanisms 9 later
Further bending is carried out to the both ends of workpiece, so that being in normal place after the both ends rebound of workpiece.
Each deviation correction mechanism 5 includes correction block 5a, correction bar 5b, the first spring 5c and telescopic rod 5d, described to entangle
Inclined block 5a is rotatably connected in die cavity 4, and one end of the correction bar 5b and correction block 5a are integrally formed, and is set on the upper mold 3
There are telescopic hole 5e, the first spring 5c to be mounted in telescopic hole 5e, one end of the telescopic rod 5d is plugged in telescopic hole 5e
And be fixedly connected with one end of the first spring 5c, the other end of the telescopic rod 5d is equipped with the correction wheel 5f being rotatablely connected with it；
At work, the both ends of workpiece are bent under the extruding of two Bending Moulds 8, while one end of correction bar is pressed on workpiece,
The block 5a that rectifies a deviation drives correction bar 5b rotation, while the side of correction bar 5b is pressed on correction wheel 5f and presses the first spring 5c
Contracting, if workpiece overcompensation, can push telescopic rod 5d by the first spring 5c so that telescopic rod 5d enters in telescopic hole 5e
It stretches out, the bending part of workpiece is pushed into normal place, while can be avoided the overcompensation of workpiece both ends and being stuck on upper mold 3.
The rebounding mechanism 6 includes several rebound column 6a and several second springs 6b, if the lower die holder 2 is equipped with
Dry rebound hole 6c, the lower end of several rebounds column 6a are plugged on respectively in several rebounds hole 6c, several second springs 6b
It is respectively sleeved on several rebounds column 6a；Lower mold 7 is pushed to move down when upper mold 3 moves down, lower 7 lower end of mold
Second spring 6b shrink so that rebound bar collapse into rebound hole 6c in, after Bending Processing, pass through second spring 6b's
Workpiece so that rebound column 6a rising jacks up lower mold 7, while also being jacked up, workpiece avoided to be fastened on lower die holder 2 by elastic force effect
Upper end, be convenient for blanking.
The lower die holder 2 is equipped with several limited blocks 13, and all limited blocks 13 are integrally formed with lower die holder 2；Pass through
Limited block 13 can limit the position of lower mold 7, so that the both ends of lower mold 7 maintain an equal level with two Bending Moulds 8 respectively, avoid down
Mold 7 is excessively high or too low, leads to occur many places bending on workpiece.
Each compensation mechanism 9 includes that lifting platform 9a and compensation component 9b, the lifting platform 9a are located at lower die holder 2
Above one end, the compensation component 9b is mounted on the upper end of lifting platform 9a；It can adjust compensation component 9b's by lifting platform 9a
Level height, when the length at workpieces processing both ends is not meanwhile, it is capable to adjust the height of compensation component 9b to the both ends to workpiece
Compensate bending.
The compensation component 9b includes sliding rail 9b1, compensation cylinder 9b2, sliding shoe 9b3 and compensation block 9b4, the compensation
Cylinder 9b2 is in being horizontally set on lifting platform 9a, and the sliding rail 9b1 is mounted on the upper end of lifting platform 9a and sliding rail 9b1 is located at benefit
Repay the front of cylinder 9b2, the sliding shoe 9b3 be fixedly connected with the output end of compensation cylinder 9b2 and the lower end of sliding shoe 9b3 with
Sliding rail 9b1 is slidably matched, and one end of the compensation block 9b4 and sliding shoe 9b3 is hinged；It is sliding by compensation cylinder 9b2 Work Promote
Motion block 9b3 move forward, the sliding rail 9b1 of the lower end sliding shoe 9b3 with its be slidably matched can either limit slippage block 9b3 sliding side
To, while sliding rail 9b1 can also drive compensation block 9b4 to move forward to work its supporting role of sliding shoe 9b3, sliding shoe 9b3
One end of the bending of part is squeezed, and compensates bending to one end of workpiece under the action of compensation block 9b4 and correction bar 5b,
When compensation block 9b4 and correction bar 5b clamps workpiece and pushes workpiece bows by compensation block 9b4, due to the change of workpiece bows angle
Change, so that the angle between workpiece and horizontal plane constantly changes, therefore, the compensation block 9b4 hinged with sliding shoe 9b3 can turn
During dynamic the side of compensation block 9b4 is bonded with workpiece always, avoids the dog-ear of compensation block 9b4 from compressing workpiece and cause workpiece
Damage.
The side wall of the die cavity 4 is equipped with several notches 14, and the lower mold 7 is equipped with several convex blocks 15, several
A convex block 15 is corresponded with several described notches 14；All convex blocks 15 are symmetricly set on the two sides of lower mold 7, are convenient for
Workpiece is fastened on to the upper end of lower mold 7, the position of workpiece in process is also avoided to shift, processing is caused to fail,
Notch 14 on 4 side wall of die cavity is used for and convex block 15 engages, and is avoided convex block 15 from being spaced apart upper mold 3 and lower mold 7, is influenced to roll over
The progress of curved processing.
Two Bending Moulds 8 are fixedly connected by bolt with lower die holder 2；If necessary to which workpiece is bent into difference
The bending of diameter by the fast quick-detach Bending Mould 8 of bolt and can install new Bending Mould 8.
The working principle of the invention: the offset angle that the needs of workpiece bending part carry out is determined by calculation, later, by work
Part is placed on lower mold 7, is provided power drive upper mold 3 by hydraulic device 1 and is moved down, and upper mold 3 and lower mold 7 will
Therebetween, while upper mold 3 pushes workpiece and lower mold 7 to move down to Workpiece clamping, passes through upper mold 3,7 and of lower mold
Two Bending Moulds 8 bend the both ends of workpiece, mobile by compensation cylinder 9b2 Work Promote sliding shoe 9b3 later, sliding shoe
9b3 drives compensation block 9b4 mobile, and compensation block 9b4 pushes one end of workpiece, is limited by the stroke of setting compensation cylinder 9b2
Compensation block 9b4 pushes the angle of workpiece one end bending to make lower die by the elastic force of second spring 6b after completing Bending Processing
Tool 7, which moves up, jacks up workpiece, convenient for carrying out blanking to workpiece.
Embodiment two: as shown in Figure 6 and Figure 7, each deviation correction mechanism 5 includes correction block 5a, correction bar 5b, stretches
Bar 5d, gear 10 and correction motor 11, the correction block 5a is rotatably connected in die cavity 4, one end of the correction bar 5b with entangle
Inclined block 5a is integrally formed, and the upper mold 3 is equipped with telescopic hole 5e, and the telescopic rod 5d is mounted in telescopic hole 5e and telescopic rod
5d is equipped with rack gear 12, and the rack gear 12 on the telescopic rod 5d is engaged with gear 10, and correction motor 11 is fixedly connected with upper mold 3
And the output end for motor 11 of rectifying a deviation is fixedly connected with gear 10；In a free state, correction motor 11 does not work, and gear 10 can
It is freely rotated, so that when telescopic rod 5d is moved into telescopic hole 5e, gear 10 is able to rotate, so that gear 10 will not prevent
Rack gear 12 is moved into telescopic hole 5e, later by correction 11 work belt moving gear 10 of motor rotation, so that telescopic rod 5d is outside
Movement jacks up forward one end of workpiece, compresses to the workpiece excessively rectified a deviation, workpiece is avoided to be stuck on upper mold 3.
Correction component in embodiment one is worked by the elastic force of the first spring 5c, if the hardness of workpiece is larger, effect
Fruit may be poor, but workpiece lower for hardness, can still reach its effect, while can be energy saving, implements
Correction component in example two is worked by correction motor 11, power is provided by correction motor 11, so as to biggish to hardness
Workpiece is handled, and both there are advantage and disadvantage, can be selected according to the actual situation.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of Bending Mould with springback compensation function, it is characterised in that: including hydraulic device (1) and lower die holder (2), institute
The side that hydraulic device (1) is mounted on lower die holder (2) is stated, the hydraulic device (1) is equipped with upper mold (3), the upper mold
(3) die cavity (4) are equipped with, the upper mold (3) is located at the surface of lower die holder (2) and the both ends of upper mold (3) and is equipped with and entangles
Inclined mechanism (5), the lower die holder (2) are equipped with rebounding mechanism (6), and the upper end of the rebounding mechanism (6) is equipped with lower mold (7),
The both ends of the lower mold (7) are equipped with Bending Mould (8), and the upper surface of two Bending Moulds (8) is arc-shaped, and two
The side of a Bending Mould (8) is equipped with compensation mechanism (9)；Each deviation correction mechanism (5) include correction block (5a),
Correction bar (5b), the first spring (5c) and telescopic rod (5d), the correction block (5a) is rotatably connected in die cavity (4), described to entangle
One end of side spin (5b) and correction block (5a) are integrally formed, and the upper mold (3) is equipped with telescopic hole (5e), first spring
(5c) is mounted in telescopic hole (5e), one end of the telescopic rod (5d) be plugged in telescopic hole (5e) and with the first spring (5c)
One end be fixedly connected, the other end of the telescopic rod (5d) is equipped with the correction wheel (5f) being rotatablely connected with it.
2. the Bending Mould according to claim 1 with springback compensation function, it is characterised in that: the rebounding mechanism
It (6) include several rebounds column (6a) and several second springs (6b), the lower die holder (2) is equipped with several rebound holes
(6c), the lower end of several rebounds column (6a) are plugged on respectively in several rebounds hole (6c), several second springs (6b) point
It is not set in several rebounds column (6a).
3. the Bending Mould according to claim 2 with springback compensation function, it is characterised in that: the lower die holder (2)
Several limited blocks (13) are equipped with, all limited blocks (13) are integrally formed with lower die holder (2).
4. the Bending Mould according to claim 3 with springback compensation function, it is characterised in that: each compensation machine
Structure (9) includes lifting platform (9a) and compensation component (9b), and the lifting platform (9a) is located above one end of lower die holder (2), institute
State the upper end that compensation component (9b) is mounted on lifting platform (9a).
5. the Bending Mould according to claim 4 with springback compensation function, it is characterised in that: the compensation component
(9b) includes sliding rail (9b1), compensation cylinder (9b2), sliding shoe (9b3) and compensation block (9b4), the compensation cylinder (9b2)
In being horizontally set on lifting platform (9a), the sliding rail (9b1) is mounted on the upper end of lifting platform (9a) and sliding rail (9b1) is located at benefit
The front of cylinder (9b2) is repaid, the sliding shoe (9b3) is fixedly connected with the output end of compensation cylinder (9b2) and sliding shoe (9b3)
Lower end be slidably matched with sliding rail (9b1), the compensation block (9b4) and one end of sliding shoe (9b3) are hinged.
6. the Bending Mould according to claim 1 with springback compensation function, it is characterised in that: the die cavity (4)
Side wall is equipped with several notches (14), and the lower mold (7) is equipped with several convex blocks (15), several described convex blocks (15)
It is corresponded with notch described in several (14).
7. the Bending Mould according to claim 1 with springback compensation function, it is characterised in that: two benders
Tool (8) is fixedly connected by bolt with lower die holder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810954681.3A CN109108162B (en) | 2018-08-21 | 2018-08-21 | A kind of Bending Mould with springback compensation function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810954681.3A CN109108162B (en) | 2018-08-21 | 2018-08-21 | A kind of Bending Mould with springback compensation function |
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| CN109108162A CN109108162A (en) | 2019-01-01 |
| CN109108162B true CN109108162B (en) | 2019-11-19 |
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| CN201810954681.3A Expired - Fee Related CN109108162B (en) | 2018-08-21 | 2018-08-21 | A kind of Bending Mould with springback compensation function |
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| CN110238251A (en) * | 2019-05-09 | 2019-09-17 | 广西艾盛创制科技有限公司 | A kind of modularization aluminum profile bending die and pressing bend method |
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| CN112517709A (en) * | 2020-02-25 | 2021-03-19 | 杨泽锋 | Connected volute shell manufacturing mold based on quantum standard field theory |
| CN111659773A (en) * | 2020-06-28 | 2020-09-15 | 无锡先导智能装备股份有限公司 | Bending equipment |
| CN113843317B (en) * | 2021-09-30 | 2023-09-12 | 安徽省亚威机床制造有限公司 | Lower notch angle compensation device for bending machine and implementation method thereof |
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| Publication number | Publication date |
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| CN109108162A (en) | 2019-01-01 |
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