CN110090878A - The double right-angle bending devices of plate U-shaped - Google Patents

The double right-angle bending devices of plate U-shaped Download PDF

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Publication number
CN110090878A
CN110090878A CN201910457729.4A CN201910457729A CN110090878A CN 110090878 A CN110090878 A CN 110090878A CN 201910457729 A CN201910457729 A CN 201910457729A CN 110090878 A CN110090878 A CN 110090878A
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CN
China
Prior art keywords
lower die
bending
mold
angle
secondary bending
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910457729.4A
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Chinese (zh)
Inventor
李阳
李会民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Ao Digui Of Hu Pai Group Industry Co Ltd
Original Assignee
Hebei Ao Digui Of Hu Pai Group Industry Co Ltd
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Application filed by Hebei Ao Digui Of Hu Pai Group Industry Co Ltd filed Critical Hebei Ao Digui Of Hu Pai Group Industry Co Ltd
Priority to CN201910457729.4A priority Critical patent/CN110090878A/en
Publication of CN110090878A publication Critical patent/CN110090878A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209Tools therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The present invention provides a kind of double right-angle bending devices of plate U-shaped, including platform base, upper die and lower die, secondary Bending Mould, the platform base is equipped with mold slots, the lower die bottom is mounted on the mold trench bottom of platform base using lower die spring, upper mold is located at face lower die above lower die, lower die upper end is equipped with the first bending trough with straight angle, and upper mold bottom is equipped with staking punch corresponding with the first bending trough with straight angle;Secondary Bending Mould is located at lower die side, and lower die drives secondary Bending Mould to rotate around rotating boss, completes secondary bending.The present invention completes the right-angle bending process twice of the double right-angle bending plates of U-shaped using a down stroke of upper mold, improves bending quality, worker is without carrying plate, conversion work platform substantially increase bending working efficiency, reduce labor intensity of workers back and forth again.

Description

The double right-angle bending devices of plate U-shaped
Technical field
The present invention relates to sheet metal bending equipment technical fields, and in particular to a kind of double right-angle bending devices of plate U-shaped.
Background technique
During sheet fabrication, it is to pass through U-shaped with reference to Fig. 1 that some plate, which needs to fold the double right-angle bendings of U-shaped in outside, Double right-angle bending sheet shapes after molding.In the prior art, plate mostly uses greatly two when processing this U-shaped pair right-angle bending Secondary bending process is completed: being processed right-angle bending first with stamping die, is reprocessed another right-angle bending.It is this to add Work process labor intensity of workers is big, and working efficiency is low, increases sheet fabrication cost.It can one therefore, it is necessary to develop one kind Secondary operation completes the apparatus for bending of two right-angle bending processes to solve above-mentioned technical problem.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of double right-angle bending devices of plate U-shaped.The arrangement achieves Single punching stroke completes the right-angle bending task twice of the double right-angle bendings of U-shaped, without conversion work platform, is not necessarily to secondary operation, Have the advantages that work efficiency is high, structure is simple, easy to use.
In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of double right-angle bending devices of plate U-shaped, It is characterized by comprising platform base, upper die and lower die, secondary Bending Mould, the platform base is equipped with mold slots, described Lower die bottom is mounted on the mold trench bottom of platform base using lower die spring, and upper mold is located at face lower die above lower die, utilizes Upper mold applies pressure to lower die, lower die can be made to move down in mold slots, and upper mold is moved upward to top, and lower die is in lower die Initial position can be returned under the action of spring;Lower die upper end is equipped with the first bending trough with straight angle, and two of the first bending trough with straight angle are straight The arm of angle is tilted in 45 degree on two sides;Upper mold bottom is equipped with staking punch corresponding with the first bending trough with straight angle;The front end of staking punch Shape is consistent with the U-shaped birectangular shape that plate is converted into;Secondary Bending Mould is located at lower die side, secondary Bending Mould pair Lower die one side be equipped with the trapezoidal groove of outside opening, the other side against mold groove sidewall one side equipped with semicircular arc turn Dynamic boss, mold groove sidewall are equipped with semicircular arc turning groove corresponding with rotating boss, and rotating boss is embedded in turning groove It is interior;The trapezoidal groove bottom bevel of secondary Bending Mould is pushing inclined-plane, upper inclined surface is secondary bending inclined-plane;The side of lower die Equipped with the pushing sloping platform against pushing inclined-plane;The support elastic force of the lower die spring is greater than plate to be completed in the first bending trough with straight angle The pressure of first time bending;When upper mold is pressed downward continuing to apply lower die after plate completes first time bending under bigger pressure makes Mould moves down, and the pushing sloping platform of lower die compresses the pushing inclined-plane of secondary Bending Mould, makes secondary Bending Mould around rotating boss Rotation, the secondary bending inclined-plane of secondary Bending Mould compress staking punch bezel facet and complete secondary bending.
As the further improvement of the technical program, the turning groove top of the mold slots, which is equipped with, pulls secondary bender Has the main spring of playback.
The double right-angle bending devices of plate U-shaped of the present invention, utilize the staking punch of upper mold and the first bending right angle of lower die Slot combines, and completes first time flexing movement;It is moved down in lower die, pushes the pushing inclined-plane that sloping platform compresses secondary Bending Mould, It rotates secondary Bending Mould around rotating boss, compresses staking punch bezel facet using the secondary bending inclined-plane of secondary Bending Mould Complete secondary bending.The present invention completes the right-angle bending twice of the double right-angle bending plates of U-shaped using a down stroke of upper mold Process, improves bending quality, and worker does not have to that carrying plate, conversion work platform substantially increase bending working efficiency back and forth again, Reduce labor intensity of workers.
Detailed description of the invention
Fig. 1 is by the double right-angle bendings of U-shaped plate cross sectional shape schematic diagram after molding.
Fig. 2 is original operating state schematic diagram of the invention;
Fig. 3 is that the present invention completes the status diagram after bending.
Figure label are as follows: 1 platform base;2 upper molds;3 lower dies;4 two Bending Moulds;5 main springs;11 mold slots; 12 turning grooves;21 staking punch;22 bezel facets;31 lower die springs;32 first bending trough with straight angle;33 push sloping platform;41 rotations Boss;42 push inclined-plane;43 2 bending inclined-planes;100 plates.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, below in conjunction with attached drawing and preferably Embodiment, to a specific embodiment of the invention, structure, feature, detailed description is as follows.However institute's attached drawing be only to provide with reference to Illustrate to use, be not intended to limit the present invention.
It please refers to shown in Fig. 2-3, the present invention provides a kind of double right-angle bending devices of plate U-shaped, including platform base 1, Upper mold 2, lower die 3, secondary Bending Mould 4, the platform base 1 are equipped with mold slots 11, and 3 bottom of lower die utilizes lower die bullet Spring 31 is mounted on 11 bottom of mold slots of platform base, and upper mold 2 is located at 3 top face lower die 3 of lower die, using upper mold 2 to lower die 3 Apply pressure, lower die 3 can be made to move down in mold slots 11, upper mold 2 is moved upward to top, and lower die 3 is in lower die spring Initial position can be returned under the action of 31;3 upper end of lower die be equipped with the first bending trough with straight angle 32, two of the first bending trough with straight angle 32 Right-angle side is tilted in 45 degree on two sides;2 bottom of upper mold is equipped with staking punch 21 corresponding with the first bending trough with straight angle 32;Staking punch 21 front end geometry is consistent with the U-shaped birectangular shape that plate is converted into;Secondary Bending Mould 4 is located at 3 side of lower die, secondary The one side of Bending Mould 4 against lower die is equipped with the trapezoidal groove of outside opening, the other side and sets on one side against mold groove sidewall There is semicircular arc rotating boss 41, mold groove sidewall is equipped with semicircular arc turning groove 12 corresponding with rotating boss 41, turns Dynamic boss 41 is embedded in turning groove 12;The trapezoidal groove bottom bevel of secondary Bending Mould 4 is to push inclined-plane 42, upper inclined surface For secondary bending inclined-plane 43;The side of lower die is equipped with against the pushing sloping platform 33 for pushing inclined-plane 42;The branch of the lower die spring 31 It supports elastic force and is greater than the pressure that plate completes first time bending in the first bending trough with straight angle;The is completed when upper mold 2 is pressed downward plate 100 Continuing the pressure bigger to the application of lower die 3 after bending moves down lower die 3, and the pushing sloping platform 33 of lower die 3 compresses secondary The pushing inclined-plane 42 of Bending Mould 4 rotates secondary Bending Mould 4 around rotating boss 41, the secondary bending of secondary Bending Mould 4 Inclined-plane 43 compresses 21 bezel facet 22 of staking punch and completes secondary bending.12 top of turning groove of the mold slots 11, which is equipped with, to be pulled The main spring 5 of secondary Bending Mould playback.
In the use of the present invention, plate 100 is placed between upper die and lower die, plate position is set according to part dimension It sets.Upper mold moves downward extrusion plate, and the staking punch 21 of upper mold 2 is combined with the first bending trough with straight angle 32 of lower die 3, completes first Secondary flexing movement;Then lower die 3 continues to move down, and the pushing sloping platform 33 of lower die 3 compresses the pushing inclined-plane of secondary Bending Mould 4 42, rotate secondary Bending Mould 4 around rotating boss 41, the secondary bending inclined-plane 43 of secondary Bending Mould 4, which compresses plate, makes plate Material is affixed to the bezel facet 22 of staking punch 21, completes secondary bending.Finally, anti-on the staking punch 21 of upper mold 2, staking punch 21 it is upper Skew back face 22 can drive the secondary bending inclined-plane 43 of secondary Bending Mould 4 turned-out, and lower die 3 can under the action of lower die spring 31 Initial position is returned to, secondary Bending Mould 4 returns to initial position under the action of main spring 5, prepares next punching press program.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any Those skilled in the art, under the premise of not departing from design and the principle of the present invention made by equivalent changes and modifications, should all Belong to the scope of protection of the invention.

Claims (2)

1. a kind of double right-angle bending devices of plate U-shaped, it is characterised in that: including platform base, upper die and lower die, secondary bender Tool, the platform base are equipped with mold slots, and the lower die bottom is mounted on the mold slots bottom of platform base using lower die spring Portion, upper mold are located at face lower die above lower die, apply pressure to lower die using upper mold, can make lower die in mold slots to moving down Dynamic, upper mold is moved upward to top, and lower die can return to initial position under the action of lower die spring;Lower die upper end is equipped with the first folding Two right-angle sides of curved straight chamfered groove, the first bending trough with straight angle are tilted in 45 degree on two sides;Upper mold bottom is equipped with and the first bending The corresponding staking punch of trough with straight angle;The front end geometry of staking punch is consistent with the U-shaped birectangular shape that plate is converted into;Secondary bending Mold is located at lower die side, and the one side of secondary Bending Mould against lower die is equipped with the trapezoidal groove of outside opening, the other side pair Mold groove sidewall one side be equipped with semicircular arc rotating boss, mold groove sidewall be equipped with semi arch corresponding with rotating boss Shape turning groove, rotating boss are embedded in turning groove;The trapezoidal groove bottom bevel of secondary Bending Mould be push inclined-plane, on Portion inclined-plane is secondary bending inclined-plane;The side of lower die is equipped with against the pushing sloping platform for pushing inclined-plane;The support of the lower die spring Elastic force is greater than the pressure that plate completes first time bending in the first bending trough with straight angle;It completes to roll over for the first time when upper mold is pressed downward plate Continuing the pressure bigger to lower die application after curved moves down lower die, and the pushing sloping platform of lower die compresses under secondary Bending Mould Inclined-plane is pressed, rotates secondary Bending Mould around rotating boss, the secondary bending inclined-plane of secondary Bending Mould compresses on the upside of staking punch Complete secondary bending in inclined-plane.
2. a kind of double right-angle bending devices of plate U-shaped according to claim 1, which is characterized in that the mold slots turn Dynamic groove top is equipped with the main spring for pulling secondary Bending Mould playback.
CN201910457729.4A 2019-05-29 2019-05-29 The double right-angle bending devices of plate U-shaped Pending CN110090878A (en)

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CN201910457729.4A CN110090878A (en) 2019-05-29 2019-05-29 The double right-angle bending devices of plate U-shaped

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110586705A (en) * 2019-09-18 2019-12-20 黄大社 Metal plate panel bending method
CN112496104A (en) * 2020-12-23 2021-03-16 安徽力源数控刃模具制造有限公司 Machining method for large-scale plate material one-time bending multi-edge-angle workpiece
CN113145775A (en) * 2021-04-15 2021-07-23 浙江海洋大学 Forming device for bicycle cushion spring
CN114433682A (en) * 2021-12-29 2022-05-06 云路复合材料(上海)有限公司 U-shaped bending equipment for special-shaped curved surface

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202199698U (en) * 2011-08-04 2012-04-25 无锡市华光座椅弹簧有限公司 Steel wire bending device for multi-bend pressing at a time
CN204182787U (en) * 2014-09-12 2015-03-04 亿和精密工业(苏州)有限公司 A kind of seesaw type Bending Mould
CN104942069A (en) * 2015-06-24 2015-09-30 苏州边桐传感科技有限公司 Sheet metal bending device based on bending angle control and feedback torque adjustment
JP2016198810A (en) * 2015-04-14 2016-12-01 株式会社Fts Hemming method
CN106270194A (en) * 2016-08-26 2017-01-04 亿和精密工业(苏州)有限公司 A kind of rotation centering block Bending Mould
CN106334732A (en) * 2016-11-04 2017-01-18 芜湖市恒浩机械制造有限公司 Bending machine for automobile plate components
CN207521548U (en) * 2017-11-09 2018-06-22 江苏亚威机床股份有限公司 A kind of asymmetry Bending Mould
CN208116553U (en) * 2018-02-08 2018-11-20 青岛金泰瑞金属制品有限公司 A kind of U-shaped Bending Mould and the bending machine using the mold
CN210010335U (en) * 2019-05-29 2020-02-04 河北虎牌集团奥笛柜业有限公司 U-shaped double right-angle bending device for plates

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202199698U (en) * 2011-08-04 2012-04-25 无锡市华光座椅弹簧有限公司 Steel wire bending device for multi-bend pressing at a time
CN204182787U (en) * 2014-09-12 2015-03-04 亿和精密工业(苏州)有限公司 A kind of seesaw type Bending Mould
JP2016198810A (en) * 2015-04-14 2016-12-01 株式会社Fts Hemming method
CN104942069A (en) * 2015-06-24 2015-09-30 苏州边桐传感科技有限公司 Sheet metal bending device based on bending angle control and feedback torque adjustment
CN106270194A (en) * 2016-08-26 2017-01-04 亿和精密工业(苏州)有限公司 A kind of rotation centering block Bending Mould
CN106334732A (en) * 2016-11-04 2017-01-18 芜湖市恒浩机械制造有限公司 Bending machine for automobile plate components
CN207521548U (en) * 2017-11-09 2018-06-22 江苏亚威机床股份有限公司 A kind of asymmetry Bending Mould
CN208116553U (en) * 2018-02-08 2018-11-20 青岛金泰瑞金属制品有限公司 A kind of U-shaped Bending Mould and the bending machine using the mold
CN210010335U (en) * 2019-05-29 2020-02-04 河北虎牌集团奥笛柜业有限公司 U-shaped double right-angle bending device for plates

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110586705A (en) * 2019-09-18 2019-12-20 黄大社 Metal plate panel bending method
CN110586705B (en) * 2019-09-18 2020-09-22 江苏江海机床集团有限公司 Metal plate panel bending method
CN112496104A (en) * 2020-12-23 2021-03-16 安徽力源数控刃模具制造有限公司 Machining method for large-scale plate material one-time bending multi-edge-angle workpiece
CN112496104B (en) * 2020-12-23 2022-01-04 安徽力源数控刃模具制造有限公司 Machining method for large-scale plate material one-time bending multi-edge-angle workpiece
CN113145775A (en) * 2021-04-15 2021-07-23 浙江海洋大学 Forming device for bicycle cushion spring
CN114433682A (en) * 2021-12-29 2022-05-06 云路复合材料(上海)有限公司 U-shaped bending equipment for special-shaped curved surface

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