CN203526266U - Cold bending device - Google Patents

Cold bending device Download PDF

Info

Publication number
CN203526266U
CN203526266U CN201320557760.3U CN201320557760U CN203526266U CN 203526266 U CN203526266 U CN 203526266U CN 201320557760 U CN201320557760 U CN 201320557760U CN 203526266 U CN203526266 U CN 203526266U
Authority
CN
China
Prior art keywords
pressing plate
main
bending
main shaft
primary
Prior art date
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.)
Withdrawn - After Issue
Application number
CN201320557760.3U
Other languages
Chinese (zh)
Inventor
吴永祥
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.)
TIANJIN XINMAO TIANHE ELECTROMECHANICAL TECHNOLOGY Co Ltd
Original Assignee
TIANJIN XINMAO TIANHE ELECTROMECHANICAL TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TIANJIN XINMAO TIANHE ELECTROMECHANICAL TECHNOLOGY Co Ltd filed Critical TIANJIN XINMAO TIANHE ELECTROMECHANICAL TECHNOLOGY Co Ltd
Priority to CN201320557760.3U priority Critical patent/CN203526266U/en
Application granted granted Critical
Publication of CN203526266U publication Critical patent/CN203526266U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a cold bending device which comprises a bottom plate, a primary bending unit and a secondary bending unit. Primary shaft fixing blocks of the primary bending unit are arranged on the bottom plate, and a primary rotating shaft is arranged between the two primary shaft fixing blocks. Vertical portions on the two sides of a U-shaped primary pressing plate are provided with holes allowing the primary rotating shaft to penetrate through, the U-shaped primary pressing plate rotates with the primary rotating shaft as the axis, and a locating column is arranged on the upper end face of a horizontal portion of the U-shaped primary pressing plate. Secondary shaft fixing blocks of the secondary bending unit are arranged on the bottom plate, a secondary rotating shaft capable of being pulled out is arranged between the two secondary shaft fixing blocks, the secondary rotating shaft is sleeved with a secondary shaft sleeve, a secondary pressing plate is fixedly connected with the secondary shaft sleeve, and the two ends of the secondary pressing plate are longer than the secondary shaft sleeve. The cold bending device has the advantages of being simple in structure and convenient to operate, and the bending process can be realized under the condition that any performance of workpieces is not changed; work efficiency is improved, accuracy of sizes of the workpieces is guaranteed through a locating and limiting device, and the workpieces can have interchangeability.

Description

Cold apparatus for bending
Technical field
The utility model belongs to the frock clamp field of the cold bending and molding of sheet material, especially relates to cold apparatus for bending.
Background technology
In the prior art, light sheet bending is normally by realizing with cold-punching mold punching press or hot bending.But existing technical conditions have a lot of limitation and shortcoming.Such as some workpiece size is less, utilize cold-punching mold to come bending need to have punch press and will have corresponding mould, if small lot batch manufacture, the cost of this mode of production is just higher.Although and hot bending is easy and simple to handle, be all manual operations, error error is larger, dimensional uniformity is not good, and workpiece lacks interchangeability.For performance after some special material heating, may change, can not realize the dimensional requirement of initial design.
Summary of the invention
Problem to be solved in the utility model is to provide cold apparatus for bending, is especially applicable to product workpiece size less, the cold bending of thin plate material of medium and small production lot.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
Provide cold apparatus for bending to comprise base plate, also comprise main bending unit and secondary bending unit;
Main bending unit comprises main shaft fixed block, U-shaped main pressing plate, main shaft, main shaft fixed block is located on base plate, between two main shaft fixed blocks, be provided with main shaft, the vertical portion, both sides of U-shaped main pressing plate is provided with the hole that main shaft passes, U-shaped main pressing plate be take main shaft as axle center rotation, and U-shaped main pressing plate horizontal part upper surface is provided with locating dowel;
Secondary bending unit comprises countershaft fixed block, countershaft cover, auxiliary spindle, secondary pressing plate, countershaft fixed block is located on base plate, between two countershaft fixed blocks, is provided with the auxiliary spindle that can extract out, and auxiliary spindle overcoat has countershaft cover, secondary pressing plate and described countershaft cover are affixed, and described countershaft cover is longer than at described secondary pressing plate two ends;
Further, also comprise limited block, described limited block is located on the upper surface of base plate, and the vertical portion of U-shaped main pressing plate offsets with limited block after rotating to maximum bending angle.
Further, also comprise main handle back-up block, main handle, described main handle is fixed in outside the horizontal part of described U-shaped main pressing plate on end face, described main handle back-up block is located on base plate upper surface, which is provided with groove, when main handle lower surface props up groove, the horizontal part upper surface of described U-shaped main pressing plate is parallel with the upper surface of described base plate.
Further, also comprise auxiliary-handle, the lower surface of described auxiliary-handle and described secondary pressing plate is affixed.
Advantage and the good effect that the utlity model has are: the design of this device, simple in structure, easy to operate, in the situation that not changing any performance of workpiece, realize the process of bending, greatly improved operating efficiency, utilized location and stopping means to guarantee accuracy of gauge, made workpiece have interchangeability.The bending of small-sized thin plate is convenient; Have simple in structure, easy to maintenance, the advantage such as processing cost is low, production efficiency high product is interchangeable, simple to operate, and size is accurate.
Accompanying drawing explanation
Fig. 1 is the integral installation figure of this utility model;
Fig. 2 is the part installation diagram of this utility model;
Fig. 3 is the main bending unit part installation diagram of this utility model;
Fig. 4 is the secondary bending unit part installation diagram of this utility model;
Fig. 5 is the workpiece processing front and back stereogram of this utility model;
Fig. 6 is the workpiece processing front and back front view of this utility model.
In figure:
1-countershaft fixed block; 2-base plate; 3-limited block; 4-main shaft fixed block; 5-countershaft cover; 6-auxiliary spindle; 7-workpiece; The main pressing plate of 8-vertical portion; 9-locating dowel; 10-main handle back-up block; 11-main handle; The main pressing plate of 12-U type; 13-main shaft; The secondary pressing plate of 14-; 15-auxiliary-handle.
The specific embodiment
As shown in Figure 1, cold apparatus for bending comprises base plate 2, also comprises main bending unit and secondary bending unit.And above two unit are arranged on the upper surface of base plate 2, respectively two bending parts (as Fig. 5 and Fig. 6) of corresponding workpiece 7.Main bending unit is provided with one end bending of locating hole for bending workpieces 7, secondary bending unit, for one end that has two elongated thin plates to stretch out of bending workpieces 7, carries out bending flanging to the elongated thin plate stretching out.
As shown in Figure 3, main bending unit comprises main shaft fixed block 4, U-shaped main pressing plate 12, main shaft 13, and main shaft fixed block 4 is located on base plate 2, and in the present embodiment, this main shaft fixed block 4 is to be fixed on base plate 2 by bolt.Two 4 of main shaft fixed blocks are provided with main shaft 13, and the vertical portion, both sides of U-shaped main pressing plate 12 is provided with the hole that main shaft 13 passes, and U-shaped main pressing plate 12 be take main shaft 13 as axle center rotation.In the present embodiment, the inner side of main shaft fixed block 4 is provided with through hole, and by main shaft 13, through through hole, the affixed baffle plate in main shaft fixed block 4 outsides prevents that described main shaft 13 from skidding off.Main shaft 13 can rotate in the through hole in main shaft fixed block 4, if main shaft 13 is interior non-rotatable actual use the of the present utility model that also do not affect of main shaft fixed block 4.
U-shaped main pressing plate 12 uses for convenient manufacture in the present embodiment, after manufacture separately the main pressing plate vertical portion 8 of its both sides and horizontal part be assembled into one.Its medial surface can also be used to prop up the two ends of workpiece 7 widths, and while making workpiece 7 bending, move without position both sides, and bending is accurate.
When work in the horizontal part upper surface of U-shaped main the pressing plate 12 and lower surface of workpiece 7 offsets, and main shaft 13 is through the through hole on main pressing plate vertical portion 8 and can take main shaft 13 as axle rotates, and drives workpiece 7 to complete bending operation during rotation.
U-shaped main pressing plate 12 horizontal part upper surfaces are provided with locating dowel 9.Workpiece 7 is provided with locating hole, thus in the time of only workpiece 7 need to being placed on to the horizontal part upper surface of U-shaped main pressing plate 12, aim at locating dowel 9, and be inserted in, can guarantee without change in location, to guarantee bending precision on workpiece 7 length directions.In the present embodiment, locating dowel 9 is fixed in (as shown in Figure 2) on base plate 2, it is a kind of mounting means, the rotation of the horizontal part upper surface that locating dowel 9 can be set directly to U-shaped main pressing plate 12 horizontal part of U-shaped main pressing plate 12 during with bending is rotated, and plays positioning action constantly.
As shown in Figure 4, secondary bending unit comprises countershaft fixed block 1, countershaft cover 5, auxiliary spindle 6, secondary pressing plate 14, and countershaft fixed block 1 is located on base plate 2, and two 1 of countershaft fixed blocks are provided with the auxiliary spindle 6 that can extract out.Secondary bending unit is for one end that has two elongated thin plates to stretch out of bending workpieces 7, after bending due to all bendings of workpiece 7 two ends, as auxiliary spindle 6 can not be extracted out, by the situation that causes workpiece 7 to take out.Therefore auxiliary spindle 6 is made to the form that can extract out from countershaft fixed block 1, extract auxiliary spindle 6 out after completing bending, take off workpiece 7.
Auxiliary spindle 6 overcoats have countershaft cover 5, and it is 5 affixed that secondary pressing plate 14 and described countershaft overlap, and described countershaft cover 5 is longer than at described secondary pressing plate 14 two ends; Before two elongated end bendings of stretching out of workpiece 7, stretch into countershaft and overlap 5 both sides, the position in the middle of auxiliary spindle 6 lower ends and secondary pressing plate 14 upper surfaces.The outside both ends of the surface of countershaft cover 5 play the effect that props up the elongated end medial surface that 7 two of workpiece stretch out, and to workpiece 7, carry out spacing.Two elongated end lateral surfaces that stretch out of the medial surface of countershaft fixed block 1 and workpiece 7 offset, and to workpiece 7, carry out spacing.Revolute pair pressing plate 14 carries out bending by two elongated end of stretching out of workpiece 7, and when secondary pressing plate 14 rotates to angle as shown in Figure 6, the elongated end of workpiece 7 is pushed down in the upper surface of secondary pressing plate 14.Flanging is carried out in its end, and after completing, shape is as Fig. 6 institute.
Also comprise limited block 3, described limited block 3 is located on the upper surface of base plate 2, and the vertical portion of U-shaped main pressing plate 12 offsets with limited block 3 after rotating to maximum bending angle.In order to guarantee that the angle after bending reaches appointment requirement, placement bending is excessive, and the angle that limited block 3 limits bendings is set.
Also comprise main handle back-up block 10, main handle 11, described main handle 11 is fixed in outside the horizontal part of described U-shaped main pressing plate 12 on end face, described main handle back-up block 10 is located on base plate 2 upper surfaces, which is provided with groove, when main handle 11 lower surfaces prop up groove, the horizontal part upper surface of described U-shaped main pressing plate 12 is parallel with the upper surface of described base plate 2.
The setting of main handle 11 is to complete bending operation in order better to operate main bending unit.Main handle back-up block 10 makes the horizontal part upper surface of workpiece U-shaped main pressing plate 12 of when assembling parallel with the upper surface of described base plate 2, and with the upper end surface of secondary pressing plate 14 at sustained height.Workpiece 7 is placed on accurate positioning afterwards above.
Also comprise auxiliary-handle 15, described auxiliary-handle 15 is affixed with the lower surface of described secondary pressing plate 14.It is to complete bending operation in order better to operate secondary bending unit that auxiliary-handle 15 arranges.
The course of work of the present utility model: before using, the auxiliary spindle of secondary bending unit 6 is extracted out in the through hole of countershaft fixed block 1, taken off the secondary pressing plate 14 that is connected with countershaft cover 5.Workpiece 7 is put into apparatus for bending, the locating hole on workpiece 7 is entangled to the locating dowel 9 arranging on base plate 2, at length direction, workpiece 7 is positioned.Workpiece outside offsets with the inner side of main pressing plate vertical portion 8 and countershaft fixed block 1, at width, workpiece 7 is positioned.
Load onto the secondary pressing plate 14 that is connected with countershaft cover 5, the auxiliary spindle of secondary bending unit 6 is inserted in the through hole of countershaft fixed block 1.On the upper surface of secondary pressing plate 14, contact with the elongated end bottom surface of workpiece 7, countershaft overlaps 5 both ends of the surface and plays the effect that props up the elongated end medial surface that 7 two of workpiece stretch out.
The position of Fig. 6 shown in revolute pair handle 15 arrives, 7 two elongated end of stretching out of bending workpieces, and complete flanging.Rotate again main handle 11 and drive U-shaped main pressing plate 12 to rotate, the workpiece other end is carried out to flanging.After rotation to main pressing plate vertical portion 8 and described limited block 3 offsets, bending is to required angle.Rotate 11 times initial positions of main handle, complete this flanging operation.
The auxiliary spindle of secondary bending unit 6 is extracted out in the through hole of countershaft fixed block 1, taken off the secondary pressing plate 14 that is connected with countershaft cover 5, take off workpiece 7.Whole bending operation completes.
Above an embodiment of the present utility model is had been described in detail, but described content is only the preferred embodiment of utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to the patent covering scope of utility model.

Claims (4)

1. cold apparatus for bending, comprises base plate (2), it is characterized in that: also comprise main bending unit and secondary bending unit;
Main bending unit comprises main shaft fixed block (4), U-shaped main pressing plate (12), main shaft (13), main shaft fixed block (4) is located on base plate (2), between two main shaft fixed blocks (4), be provided with main shaft (13), the vertical portion, both sides of U-shaped main pressing plate (12) is provided with the hole that main shaft (13) passes, U-shaped main pressing plate (12) be take main shaft (13) as axle center rotation, and U-shaped main pressing plate (12) horizontal part upper surface is provided with locating dowel (9);
Secondary bending unit comprises countershaft fixed block (1), auxiliary spindle (6), secondary pressing plate (14), countershaft fixed block (1) is located on base plate (2), between two countershaft fixed blocks (1), be provided with the auxiliary spindle (6) that can extract out, auxiliary spindle (6) overcoat has countershaft cover (5), secondary pressing plate (14) is affixed with described countershaft cover (5), and described countershaft cover (5) is longer than at described secondary pressing plate (14) two ends.
2. cold apparatus for bending according to claim 1, it is characterized in that: also comprise limited block (3), described limited block (3) is located on the upper surface of base plate (2), and the vertical portion of U-shaped main pressing plate (12) offsets with limited block (3) after rotating to maximum bending angle.
3. cold apparatus for bending according to claim 1, it is characterized in that: also comprise main handle back-up block (10), main handle (11), described main handle (11) is fixed in outside the horizontal part of described U-shaped main pressing plate (12) on end face, described main handle back-up block (10) is located on base plate (2) upper surface, which is provided with groove, when main handle (11) lower surface props up groove, the horizontal part upper surface of described U-shaped main pressing plate (12) is parallel with the upper surface of described base plate (2).
4. cold apparatus for bending according to claim 1, is characterized in that: also comprise auxiliary-handle (15), described auxiliary-handle (15) is affixed with the lower surface of described secondary pressing plate (14).
CN201320557760.3U 2013-09-09 2013-09-09 Cold bending device Withdrawn - After Issue CN203526266U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320557760.3U CN203526266U (en) 2013-09-09 2013-09-09 Cold bending device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320557760.3U CN203526266U (en) 2013-09-09 2013-09-09 Cold bending device

Publications (1)

Publication Number Publication Date
CN203526266U true CN203526266U (en) 2014-04-09

Family

ID=50412528

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320557760.3U Withdrawn - After Issue CN203526266U (en) 2013-09-09 2013-09-09 Cold bending device

Country Status (1)

Country Link
CN (1) CN203526266U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103480703A (en) * 2013-09-09 2014-01-01 天津鑫茂天和机电科技有限公司 Cold bending device
CN107447630A (en) * 2017-08-07 2017-12-08 浙江奥桑机械设备有限公司 A kind of connecting plate on road roller

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103480703A (en) * 2013-09-09 2014-01-01 天津鑫茂天和机电科技有限公司 Cold bending device
CN103480703B (en) * 2013-09-09 2017-09-29 天津鑫茂天和机电科技有限公司 Cold apparatus for bending
CN107447630A (en) * 2017-08-07 2017-12-08 浙江奥桑机械设备有限公司 A kind of connecting plate on road roller

Similar Documents

Publication Publication Date Title
CN204892682U (en) Multi -functional drift carousel structure
CN202192138U (en) Tube heat-bending machine with limiting card
CN203526266U (en) Cold bending device
CN104441724A (en) Punching machine
CN103480703A (en) Cold bending device
CN203900245U (en) Lower die of bending machine and laminated-type combined indentation-free bending lower die device
CN202129352U (en) Bending mould of metal plate bending machine tool
CN205165459U (en) Pipe bender
CN203553057U (en) Temperature fuse star sheet molding automatic assembling apparatus
CN208427996U (en) A kind of dimension adjustable formula high precision fixture for machine tool
CN204912478U (en) Mould that bender was used
CN104384264A (en) Bending machine
CN204842578U (en) Bent plate R angle rapid prototyping device
CN105268860B (en) A kind of efficient diel
CN209971522U (en) Bending machine for processing plastic plates
CN201872024U (en) R-surface machining jig of surface grinding machine
CN204589549U (en) A kind of clamping kit assembly structure of automatic sewing machine material containing rotary table mould
CN203390080U (en) Compact positioning device of powder metallurgy shaping machine tool
CN202367057U (en) Die-adjustable slotted lower die reinforcing device
CN102873192A (en) Stamping die with accurate positioning function
CN202934071U (en) Anvil changing device of manipulator
CN203635754U (en) Die for bending aluminum product into V shape and preventing scratches
CN205217771U (en) Straightening die
CN203140501U (en) Metal plate bending machine
CN202356461U (en) Large thin-wall aluminum piece straightening tooling

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140409

Effective date of abandoning: 20170929

AV01 Patent right actively abandoned