CN103128146A - Bending mechanism of bending machine - Google Patents

Bending mechanism of bending machine Download PDF

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Publication number
CN103128146A
CN103128146A CN201310049596XA CN201310049596A CN103128146A CN 103128146 A CN103128146 A CN 103128146A CN 201310049596X A CN201310049596X A CN 201310049596XA CN 201310049596 A CN201310049596 A CN 201310049596A CN 103128146 A CN103128146 A CN 103128146A
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China
Prior art keywords
movable head
bending
holding pad
workpiece
bender
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CN201310049596XA
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Chinese (zh)
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CN103128146B (en
Inventor
刘险峰
章闰
郑良才
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Ningbo Jingda Forming Equipment Co Ltd
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Ningbo Jingda Forming Equipment Co Ltd
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Priority to CN201310049596.XA priority Critical patent/CN103128146B/en
Publication of CN103128146A publication Critical patent/CN103128146A/en
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Abstract

A bending mechanism of a bending machine comprises a pressure plate, a pressure plate rotating piece, a pressure plate rotating mechanism driving the pressure plate rotating piece to rotate, a bending mold device and a bending mold rotating mechanism driving the bending mold device to rotate. The pressure plate is connected with the pressure plate rotating piece, a rotating center of a bending mold is connected onto the pressure plate rotating piece through a bearing, the bending mold rotating mechanism is fixed on the pressure plate rotating piece, and the pressure plate is parallel to a bending mold plate of the bending mold device. The bending mechanism can bend workpieces of various forms conveniently and efficiently.

Description

A kind of bending mechanism of bender
Technical field
The present invention relates to a kind of bender, especially a kind of bending mechanism of bender.
Background technology
Bender is that heat exchanger bending is become G type, U-shaped or L-type, is the key equipment that heat exchanger is shaped, and bending mechanism is the critical piece of bender.
Existing heat exchanger workpiece Forging Process is, lie in a horizontal plane in and carry out bending on working plate, and pay-off unclamps workpiece when bending, after a bending is completed again clamping work pieces carry out feeding, then carry out bending for the second time, clamping is unclamped all more like this needs the regular hour, causes the used time of an operation cycle longer, affect bending efficient, what especially show on the more workpiece of bending times is particularly outstanding.And the type of heat exchanger workpiece is more, and existing bending mechanism can not adapt to this situation.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defects of prior art and the bending mechanism that proposes a kind of bender, and it can be easily, various forms of heat exchanger workpiece of bending expeditiously.
The present invention solves the problems of the technologies described above the technical scheme that adopts:
A kind of bending mechanism of bender, it is characterized in that: comprise holding pad, holding pad revolving part and drive holding pad rotating mechanism, the bending mould device of holding pad revolving part rotation and drive the curved mould rotating mechanism that bending mould device rotates, holding pad is connected on the holding pad revolving part, the center of rotation of curved mould is connected on the holding pad revolving part by bearing, curved mould rotating mechanism is fixed on the holding pad revolving part, and holding pad is parallel with the curved template of bending mould device.
Because two rotating mechanisms are adopted in the rotation of holding pad and bending mould device, therefore curved mould was rotated separately, holding pad and curved mould are rotated simultaneously.
Better, above-mentioned holding pad rotating mechanism is the second servomotor, and curved mould rotating mechanism is the first servomotor, and the distance of bending is easily controlled like this.
Better, above-mentioned servomotor is also with reducing gear, and the speed of bending is more easily controlled like this.
Above-mentioned holding pad also arranges the holding pad mobile device, holding pad moves under the holding pad mobile device drives, approach or away from workpiece, the distance between material-pressing rack and curved template can arbitrarily be changed, can facilitate the removal workpiece or travelling workpiece in Forging Process.
Above-mentioned holding pad mobile device comprises the 3rd servomotor and the 3rd decelerator, the output connection wire rod of decelerator, screw mandrel is set in the feed screw nut who is arranged on material-pressing rack, the mobile material-pressing rack by the 3rd driven by servomotor, thereby holding pad is approached or away from workpiece, more steadily mobile like this.
Preferably be connected by guiding mechanism between above-mentioned material-pressing rack and lower support member, the guiding mechanism of slide rail type for example, mobile so more balance rubs less.
Better, also on the workpiece feedstock direction of bending mould device, movable head is set, during the workpiece bending, workpiece is by movable head and bending mechanism clamping, movable head and bending mechanism synchronization action.
Above-mentioned movable head arranges the horizontal follower of movable head, is initiatively given power and is made movable head and bending mechanism synchronization action better by the horizontal follower of movable head during the workpiece bending.
The horizontal follower of above-mentioned movable head comprises the movable head cylinder, the movable head cylinder piston rod is connected with movable head, movable head be arranged on arbitrary-movement articulator and movable head and arbitrary-movement articulator between guiding mechanism is set, by stretching of piston rod, movable head laterally moves on arbitrary-movement articulator under the guiding of guiding mechanism, can increase certain power, keep better synchronous when making the workpiece bending.
Above-mentioned movable head also arranges movable head and moves forward and backward mechanism, and movable head moves forward and backward mechanism can be moved upward to correct position in front and back, facilitates turnover and the adjustment of workpiece.
Above-mentioned movable head moves forward and backward mechanism and comprises one with the 4th servomotor of decelerator, the output of decelerator connects the movable head screw mandrel, the movable head screw mandrel is set in the movable head feed screw nut who is arranged on arbitrary-movement articulator, movable head is arranged on arbitrary-movement articulator, arbitrary-movement articulator is arranged on fuselage and the arbitrary-movement articulator guiding mechanism is set both, by the 4th driven by servomotor, arbitrary-movement articulator drives under the guiding of guiding mechanism that movable head approaches or away from workpiece
Above-mentioned arbitrary-movement articulator guiding mechanism is preferably the slide sliding track mechanism, and is mobile more steady so reliable, rubs less.
Above-mentioned movable head one side also arranges the pay-off of travelling workpiece, can more easily workpiece be sent in bending mechanism like this.
Above-mentioned pay-off comprises the feeding frame and is arranged on movable stand on cradle, and movable stand drives by the movable stand drive unit, between movable stand and feeding frame, guiding mechanism is set, and is mobile more convenient like this, steady.
The fixture that install to be used for clamping work pieces on above-mentioned movable stand by fixture clamping work pieces firmly, prevents the movement of workpiece in Forging Process.
Compared with prior art, the invention has the advantages that:
(1) owing to adopting two rotating mechanisms, therefore curved mould was rotated separately, holding pad and curved mould are rotated simultaneously, can improve crooked precision, the independent revolution of curved mould is conveniently resetted, be convenient to the repeatedly bending of workpiece, improve the bending efficient of bending workpieces.
(2) due to holding pad Tape movement device, can be fit to different bed thickness, the clamping of the different number of plies heat exchanger during binder, wide adaptability.
(3) by movable head and governor motion thereof, the friction in the time of can reducing the workpiece bending improves workpiece quality.
Description of drawings
Fig. 1 is the structural representation that embodiment of the present invention bender bending mechanism omits holding pad mechanism.
Fig. 2 is the top view that comprises holding pad mechanism and movable head mechanism in Fig. 1.
Fig. 3 is the stereogram that the embodiment of the present invention is applied to its second working plate elevating mechanism in bender.
Fig. 4 is the stereogram of embodiment of the present invention bending initial state when being applied to bender.
Fig. 5 is the stereogram in embodiment of the present invention bender Forging Process.
Fig. 6 is the another state diagram in embodiment of the present invention bender Forging Process.
The specific embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, the bending mechanism of bender, its curved mould rotating mechanism is the first servomotor 203 with the first decelerator, the first reducer output shaft 207 curved moulds 2 of ends installation of the first servomotor 203, output shaft 207 is overlapped in 205 at curved mold shaft by bearings, the first servomotor 203 is fixed on curved mold shaft cover 205 by adpting flange 206, therefore the first servomotor 203 driving shaft shaft 207 rotations separately, thereby driving the curved mould 2 that is fixed on output shaft 207 rotates, and curved mold shaft cover 205 does not rotate, and namely holding pad does not rotate.
the holding pad rotating mechanism comprises the second servomotor 202 with the second decelerator, the second servomotor 202 is arranged on installing plate 209, installing plate 209 is fixed on fuselage 1, holder 208 is fixed on installing plate 209, curved mold shaft cover 205 by bearings on holder 208, holding pad 3 is fixed on (referring to Fig. 2) on rotating panel 305, rotating panel 305 is fixing with curved mold shaft cover 205 by travelling gear 308, travelling gear 308 and another travelling gear 204 engagements, another travelling gear 204 is fixed on the output shaft of the second decelerator, like this when the second servomotor 202 work, by another travelling gear 204, travelling gear 308 driven rotary panel 305 motions, thereby driving the holding pad that is fixed on rotating panel 305 rotates, simultaneously also due to the rotation that has driven curved mold shaft cover 205, curved mold shaft cover 205 rotates and makes adpting flange 206 drive the first servomotor 203 and decelerator rotation thereof, and then make its output shaft 207 drive curved mould 2 rotations, be that curved template 201 and holding pad 3 synchronously rotate.
In the present embodiment, holding pad 301 is fixed on material-pressing rack 302, and holding pad and material-pressing rack also can be made of one.
As shown in Figure 2, the holding pad mobile device also is set is used for removing holding pad 3, the holding pad mobile device comprises the 3rd servomotor 301 with the 3rd decelerator, the output of the 3rd decelerator connects holding pad screw mandrel 306, holding pad screw mandrel 306 is set in the feed screw nut 307 who is arranged on material-pressing rack 302, by the 3rd driven by servomotor, move forward and backward in the slide 303 of slide rail 304 on being fixed on rotating panel 305 that material-pressing rack 302 and the upper holding pad 3 of installing thereof are installed by its below, approach or away from workpiece 5.
As shown in Figure 2, movable head 4 is driven by movable head left and right follower, and purpose is to make the workpiece 5 that is placed on movable head 4 that a thrust forward be arranged, the friction of workpiece 5 and 4 of movable heads when reducing the workpiece bending, the bending quality of raising workpiece.
The movable head left and right follower driving of the present embodiment comprises cylinder 407, slide rail 408, slide 409, the piston rod of cylinder 407 is connected with movable head 4, be connected by sliding connector between movable head 4 and the arbitrary-movement articulator 406 that supports movable head 4, by stretching of piston rod, movable head 4 is vertically servo-actuated along the slide 409 that is arranged on arbitrary-movement articulator 406 by the slide rail 408 that sets firmly on it.
Movable head 4 is also driven by driving mechanism before and after movable head 401, adjusts itself and the distance of curved intermode, clamps workpiece when facilitating the workpiece curved mould of turnover and assurance bending workpieces.
before and after the movable head of the present embodiment, driving mechanism 401 comprises the 4th servomotor and the 4th decelerator, the output of decelerator connects movable head and drives screw mandrel 402, movable head drives screw mandrel 402 and is set in the movable head driving feed screw nut 403 who is arranged on arbitrary-movement articulator 406, arbitrary-movement articulator 406 is connected by sliding connector with 1, the fuselage that supports it, by the 4th driven by servomotor, arbitrary-movement articulator 406 drive movable heads 4 move forward and backward along the slide rail 404 that is arranged on fuselage 1 by the slide 405 of arbitrary-movement articulator 406 belows installations, approach or away from workpiece 5, discharge workpiece 5 or together with curved mould 2, workpiece 5 clamped, see Fig. 2.
Above-mentioned pay-off is positioned at fuselage 1 right side, comprise feeding frame 6, establish movable stand 602 on feeding frame 6, movable stand 602 belows are equipped with slide 605, servo drive 601 drives movable stands 602, movable stand 602 by slide 605 along slide rail 606 transverse shiftings that are arranged on feeding frame 6.
The jaw 603 and 604 that install to be used for clamping work pieces 5 on feeding frame 6, jaw 603 and 604 clamping work pieces all the time in whole Forging Process just can unclamp when taking off workpiece after bending is completed.
Bending mechanism take this bender is applied to vertical bending machine as example, and Forging Process and the characteristics of this bending mechanism are described by bending individual layer G shape workpiece.
The bending mechanism of this bender is arranged on the working plate of fuselage 1, described working plate is divided into two parts, i.e. the first working plate 101 and the second working plate 102, the first working plate 101 is fixed on fuselage 1 motionless, the second working plate 102 can move up and down with respect to fuselage 1, sees Fig. 3, Fig. 4.
Described the second working plate elevating mechanism comprises that a working plate lift cylinder 103, four are fixed on working plate guide post 104 and four working plate guide bearing chocks 105 that are fixed on fuselage 1 of the second working plate 102 belows, working plate lift cylinder 103 piston rods are connected with the second working plate 102, by stretching of cylinder piston rod, the second working plate 102 moves up and down with respect to fuselage by the slippage of four guide posts 104 in four guide bearing chocks 105, sees Fig. 4.The second working plate 102 will rise after the single bending is completed, and is in same level, supporting workpiece 5 with plane on working plate 101 and cradle 6.
during bending workpieces, at first adjust the front and back position of holding pad 3 and movable head 4, vertically be placed on heat exchanger workpiece 5 on working plate, and with jaw 603 and 604 clamping work pieces 5, automatically locate, state as shown in Figure 4 at this moment, holding pad 3 and curved template 201 clamping work pieces 5, the second working plate 102 descends, the second servomotor drive holding pad 3 and curved mould 2 and on curved template 201 rotate together and carry out bending for the first time, after bending is completed for the first time, state as shown in Figure 5, then the first servomotor drive curved mould 2 and on curved template 201 continue after the equidirectional half-twist, the second servomotor drive again holding pad 3 and curved mould 2 and on curved template 201 90 ° of backward rotation together, the second working plate 102 rises and is in same plane with the first working plate, pay-off 6 carries out feeding, deliver to bending position for the second time, curved template 201 continues 90 ° of opposite spins, state as shown in Figure 6 at this moment, circulation in this way, take off workpiece after completing three bending work.
The bending mechanism of this bender also can be used for horizontal bender.

Claims (10)

1. the bending mechanism of a bender, it is characterized in that: comprise holding pad, holding pad revolving part and drive holding pad rotating mechanism, the bending mould device of holding pad revolving part rotation and drive the curved mould rotating mechanism that bending mould device rotates, holding pad is connected on the holding pad revolving part, the center of rotation of curved mould is connected on the holding pad revolving part by bearing, curved mould rotating mechanism is fixed on the holding pad revolving part, and holding pad is parallel with the curved template of bending mould device.
2. the bending mechanism of bender as claimed in claim 1, it is characterized in that: described holding pad rotating mechanism is the second servomotor, curved mould rotating mechanism is the first servomotor.
3. the bending mechanism of bender as claimed in claim 1, it is characterized in that: described holding pad also arranges the holding pad mobile device, and holding pad moves under the holding pad mobile device drives, and approaches or away from workpiece.
4. the bending mechanism of bender as claimed in claim 3, it is characterized in that: described holding pad mobile device comprises the 3rd servomotor and the 3rd decelerator, the output connection wire rod of decelerator, screw mandrel is set in the feed screw nut who is arranged on material-pressing rack, the mobile material-pressing rack by the 3rd driven by servomotor, thereby holding pad is approached or away from workpiece, be connected by guiding mechanism between material-pressing rack and lower support member.
5. the bending mechanism of bender as claimed in claim 1 is characterized in that: also on the workpiece feedstock direction of bending mould device, movable head is set, during the workpiece bending, workpiece is by movable head and bending mechanism clamping, movable head and bending mechanism synchronization action.
6. the bending mechanism of bender as claimed in claim 5, it is characterized in that: described movable head arranges the horizontal follower of movable head, is initiatively given power and is made movable head and bending mechanism synchronization action better by the horizontal follower of movable head during the workpiece bending.
7. the bending mechanism of bender as claimed in claim 6, it is characterized in that: the horizontal follower of described movable head comprises the movable head cylinder, the movable head cylinder piston rod is connected with movable head, movable head be arranged on arbitrary-movement articulator and movable head and arbitrary-movement articulator between guiding mechanism is set, by stretching of piston rod, movable head laterally moves on arbitrary-movement articulator under the guiding of guiding mechanism, can increase certain power, keeps better synchronous when making the workpiece bending.
8. the bending mechanism of bender as claimed in claim 5, it is characterized in that: described movable head also arranges movable head and moves forward and backward mechanism, and movable head moves forward and backward mechanism can be moved upward to correct position in front and back, facilitates turnover and the adjustment of workpiece.
9. the bending mechanism of bender as claimed in claim 5, it is characterized in that: described movable head moves forward and backward mechanism and comprises one with the 4th servomotor of decelerator, the output of decelerator connects the movable head screw mandrel, the movable head screw mandrel is set in the movable head feed screw nut who is arranged on arbitrary-movement articulator, movable head is arranged on arbitrary-movement articulator, arbitrary-movement articulator is arranged on fuselage and the arbitrary-movement articulator guiding mechanism is set both, by the 4th driven by servomotor, arbitrary-movement articulator drives under the guiding of guiding mechanism that movable head approaches or away from workpiece.
10. the bending mechanism of bender as claimed in claim 5, it is characterized in that: described movable head one side also arranges the pay-off of travelling workpiece, pay-off comprises the feeding frame and is arranged on movable stand on cradle, movable stand drives by the movable stand drive unit, between movable stand and feeding frame, guiding mechanism is set.
CN201310049596.XA 2013-02-08 2013-02-08 A kind of bending mechanism of bender Active CN103128146B (en)

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Application Number Priority Date Filing Date Title
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CN103128146B CN103128146B (en) 2016-05-18

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106077338A (en) * 2016-07-27 2016-11-09 珠海市英利特机电工程有限公司 A kind of full-automatic double roller bending systems
CN106077198A (en) * 2016-06-15 2016-11-09 深圳市沃美生科技有限公司 A kind of vehicle preheater shell fragment bending mechanism
CN106077183A (en) * 2016-07-27 2016-11-09 珠海市英利特机电工程有限公司 A kind of double roller bending mechanism
CN106862420A (en) * 2017-03-25 2017-06-20 郭敏青 A kind of bending mechanism of bender
CN107159761A (en) * 2017-05-26 2017-09-15 肇庆市端州区澳蒋科技有限公司 Horizontal bender
CN107812834A (en) * 2017-10-31 2018-03-20 扬州四星工业自动化设备有限公司 A kind of compound folding brake

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58100918A (en) * 1981-12-11 1983-06-15 Hitachi Ltd Manufacturing device for bent heat exchanger
US4832856A (en) * 1987-03-13 1989-05-23 Henkel Kommanditgesellschaft Auf Aktien Aqueous fabric softener for the treatment of fabrics: containing alkylamine, hydroxyalkylamine or quaternary ammonium derivative and a carboxylic acid
US4831856A (en) * 1987-07-13 1989-05-23 Tru-Cut Die Corp. Heat exchanger coil bending apparatus and method
JP2003057003A (en) * 2001-08-18 2003-02-26 Ribekkusu:Kk Bending angle/force detector
CN101927282A (en) * 2010-07-24 2010-12-29 中山市奥美森工业有限公司 Heat exchanger bender
CN102122590A (en) * 2010-12-12 2011-07-13 郑超 Mechanical sliding block type angular super-acceleration switching device
CN202021240U (en) * 2011-03-09 2011-11-02 苏州领航自动化科技有限公司 Metal plate bending machine
CN203140520U (en) * 2013-02-08 2013-08-21 宁波精达成形装备股份有限公司 Bending mechanism of bending machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58100918A (en) * 1981-12-11 1983-06-15 Hitachi Ltd Manufacturing device for bent heat exchanger
US4832856A (en) * 1987-03-13 1989-05-23 Henkel Kommanditgesellschaft Auf Aktien Aqueous fabric softener for the treatment of fabrics: containing alkylamine, hydroxyalkylamine or quaternary ammonium derivative and a carboxylic acid
US4831856A (en) * 1987-07-13 1989-05-23 Tru-Cut Die Corp. Heat exchanger coil bending apparatus and method
JP2003057003A (en) * 2001-08-18 2003-02-26 Ribekkusu:Kk Bending angle/force detector
CN101927282A (en) * 2010-07-24 2010-12-29 中山市奥美森工业有限公司 Heat exchanger bender
CN102122590A (en) * 2010-12-12 2011-07-13 郑超 Mechanical sliding block type angular super-acceleration switching device
CN202021240U (en) * 2011-03-09 2011-11-02 苏州领航自动化科技有限公司 Metal plate bending machine
CN203140520U (en) * 2013-02-08 2013-08-21 宁波精达成形装备股份有限公司 Bending mechanism of bending machine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106077198A (en) * 2016-06-15 2016-11-09 深圳市沃美生科技有限公司 A kind of vehicle preheater shell fragment bending mechanism
CN106077338A (en) * 2016-07-27 2016-11-09 珠海市英利特机电工程有限公司 A kind of full-automatic double roller bending systems
CN106077183A (en) * 2016-07-27 2016-11-09 珠海市英利特机电工程有限公司 A kind of double roller bending mechanism
CN106862420A (en) * 2017-03-25 2017-06-20 郭敏青 A kind of bending mechanism of bender
CN107159761A (en) * 2017-05-26 2017-09-15 肇庆市端州区澳蒋科技有限公司 Horizontal bender
CN107812834A (en) * 2017-10-31 2018-03-20 扬州四星工业自动化设备有限公司 A kind of compound folding brake
CN107812834B (en) * 2017-10-31 2019-05-10 扬州四星工业自动化设备有限公司 A kind of compound folding brake

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