CN108435839A

CN108435839A - A kind of symmetrical expression bender

Info

Publication number: CN108435839A
Application number: CN201810430040.8A
Authority: CN
Inventors: 尹苑苑; 付志杰
Original assignee: 尹苑苑
Current assignee: Nanjing suno Precision Manufacturing Co., Ltd.
Priority date: 2018-05-08
Filing date: 2018-05-08
Publication date: 2018-08-24
Anticipated expiration: 2038-05-08
Also published as: CN108435839B

Abstract

The invention belongs to bender technical fields, specifically a kind of symmetrical bender, including shell, bottom roll, No.1 module, No. two modules, No.1 fixed link, fixed block and guide rod, No.1 module and No. two modules are identical structures, No.1 module is hinged by No.1 fixed link with No. two modules, No.1 module includes shape control unit, telescopic unit, position-limiting unit, the cooperation of No.1 rotor plate in shape control unit, No. two rotor plates and No. two fixed links, so that bending depth generates continuity variation, and then change bending shape；Telescopic unit is worked by piston plate and screws in No. two sliding blocks in No. two grooves, and air pressure drives mobile bar to move downward, to control bending depth；Bending mechanism and change bending depth need not be replaced in work, improve the practicability of bender；No.1 module and No. two module cooperatings, improve the bending efficiency of bender.

Description

A kind of symmetrical expression bender

Technical field

The invention belongs to bender technical field, specifically a kind of symmetrical bender.

Background technology

Bending mechanism and mold in the bender of the prior art are typically all to be mounted in rack, size and structure It is fixed, if necessary to the workpiece of bending different size, then just needing replacing mold, or even needs replacing different bendings Machine, versatility are relatively low.

Also occurs the technical solution of bender in the prior art, such as application No. is 201410558247.5 China Patent discloses a kind of bender, including rack, the first support plate being set in rack, is located at two in the first support plate the Two support plates are all provided in each second support plate there are one nip roll, set that there are one pressing plate, the pressing plates between described two nip rolls Top be equipped with the pressure head that is connect with press, when pressure head moves downward, pressing plate can be resisted and moved downwards, make to be placed on above pressing plate Workpiece bending, by adjusting the position of the second support plate of bender, then change bending parameter, need not more mold exchange and bending Mechanism.Although the technical solution realizes does not change mold and bending mechanism, improves the practicability of bender；But the technology Scheme cannot change the shape and bending depth of bending part, need to change bending parameter；So that the use of the invention is limited System.

Invention content

In order to make up for the deficiencies of the prior art, the present invention proposes a kind of symmetrical bender, and the present invention is mainly using stretching The mutual cooperation of contracting unit and shape control unit changes the shape and depth of bending part, reduces and replaces Bending Mould and change Bending depth improves bender bending efficiency.The present invention is mutual by No.1 rotor plate, No. two rotor plates and No. two fixed links Cooperation so that No.1 rotor plate and No. two rotation distances between plates generate sequential change, bending depth of the upper roller to bending part Sequential change is generated, and then controls the shape of bending part；Telescopic unit is changed by the cooperation of No. two rotation axis and mobile bar Bending depth；Improve the versatility of bender bending.

The technical solution adopted by the present invention to solve the technical problems is：A kind of symmetrical bender of the present invention, Including shell, lower roller and upper roller；It is characterized in that：Further include that No.1 bend bar, No. two bend bars, No.1s are fixed Bar, fixed block and guide rod；The No.1 bend bar and No. two bend bars are the same parts；The No.1 fixed link passes through solid Determine block connection；No.1 fixed link one end is hinged with No.1 bend bar, the other end and No. two bend bars are hinged；It is described solid Determine block and is installed with guide rod；The guide rod is fixedly mounted on shell；When work, No.1 bend bar is by upper roller under The mutual cooperation of roller realizes the bending to bending part, and in bending process, No.1 bend bar passes through No.1 bend bar Hinged No.1 fixed link drives No. two bend bars to the end motion far from lower roller；No. two bend bars pass through upper roller The bending to bending part is realized in mutual cooperation with lower roller, while No.1 fixed link drives No.1 bend bar to far from lower roll One end motion of cylinder；Lower roller provides support platform for bending；

The No.1 bend bar includes shape control unit, telescopic unit, position-limiting unit；The enclosure interior, which is equipped with, stretches Contracting unit；Shape control unit is equipped at the top of the telescopic unit, the bottom end of telescopic unit is fixedly connected with upper roller；The shape Pneumatic cylinder is equipped at the top of shape control unit；The pneumatic cylinder is fixedly connected with case top；The case top interposition installs There is aspiration pump；The aspiration pump is connected to pneumatic cylinder by hose, and aspiration pump is used to provide air pressure to pneumatic cylinder；The telescopic unit It is fixedly connected with position-limiting unit；Shape control unit is rotated by continuity so that upper roller carries out the depth of bending part continuous Property variation, to control bending part shape；Telescopic unit makes mobile bar move downward by gas pressure, to bending part Depth be changed；

The position-limiting unit includes connecting rod, No.1 sliding block and sliding bar；The sliding bar across No.1 sliding block is fixed In inner walls；The No.1 sliding block is fixedly connected by connecting rod with telescopic unit；Connecting rod makes telescopic unit Reduce abrasion of the power generated in movement to telescopic unit, in same plane to improve with No.1 sliding block during exercise The service precision of telescopic unit.

Preferably, the telescopic unit includes babinet, mobile bar, piston plate；The top of the box is equipped with venthole, ventilation Hole is for air pressure to be imported into babinet；The wall box is equipped with No.1 groove；The piston plate is set to box house；It is described Mobile bar is fixedly mounted on piston plate bottom；The mobile bar is fixedly connected with upper roller；The piston plate side wall is equipped with two Number groove；The piston plate top surface is fixedly connected by blanket with box roof inner wall；Piston plate will under gas pressure Mobile bar pushes down on, to drive upper roller to carry out bending to bending part；Blanket prevented in pushing course air pressure from It is overflowed in No.1 groove, reduces air pressure, the insufficient pressure for causing mobile bar to move down.

Preferably, as one embodiment of the present invention, No. two springs and No. two sliding blocks are equipped in No. two grooves； No. two sliding blocks are mounted on by No. two springs in No. two grooves；No. two sliding block sections are semi-cylindrical, No. two sliding blocks It is used cooperatively with No.1 groove；No. two sliding blocks in No. two grooves are screwed off in piston plate work, No. two sliding blocks are recessed departing from No.1 Slot so that the mobile bar being fixed under piston plate moves down under gas pressure.

Preferably, the shape control unit includes No.1 rotor plate, No. two rotor plates, No. two fixed links, No.1 rotation Axis and first motor；The first motor is fixedly mounted on babinet, and the first motor is fixedly connected by No.1 rotation axis No. two rotor plates；The No.1 rotor plate is hinged with No. two rotor plates by No. two fixed links；At the top of the No.1 rotor plate with Pneumatic cylinder is fixedly connected；The No.1 rotor plate and No. two rotor plates are same component；First motor drives No.1 rotation axis high Speed rotation, corresponding to No. two rotor plates that No.1 rotation axis is fixedly connected to generate movement, No. two rotor plates pass through No. two fixed links Hinged No.1 rotor plate also generates movement, and continuity occurs and becomes for controlling No.1 rotor plate and No. two rotation distances between plates Change, and then makes upper roller that continuity variation, the shape for controlling bending part occur to the extruding depth of bending part.

Preferably, the inner walls offer No. three grooves；Block and No. three springs are equipped in No. three grooves；Institute Block is stated to be fixedly connected with No. three grooves by No. three springs；The block is made of magnetic material；The hull outside is fixed Electromagnetic block is installed；In No.1 rotor plate and No. two rotor plates move downward, No.1 rotor plate and No. two rotor plates squeeze three Block in number groove so that block moves inward, and has buffered the power generated in No.1 rotor plate and No. two rotor plates rotations, has waited for When No.1 rotor plate and No. two rotor plates leave stop location, electromagnetic block is powered, electromagnetic block resets the block of magnetic texure, In No.1 rotor plate and No. two rotor plate backhauls, block is drawn into No. three grooves by electromagnetic block.

Preferably, the No.1 rotor plate side plate section is that a quarter is round；The lateral wall of block is arc surface, circular arc Face has buffered the power generated when No.1 rotor plate and No. two rotor plate rotations, has improved shape for coordinating No.1 rotor plate to use The service life of shape control unit.

The beneficial effects of the invention are as follows：

1. a kind of symmetrical bender of the present invention, No. two sliding blocks pass through No. two bullets in No. two grooves of the present invention Spring is fixedly connected with No. two grooves, and is used cooperatively with No.1 groove so that mobile bar moves down, and changes bender bending The step of depth, improves production efficiency.

2. a kind of symmetrical bender of the present invention, shape control unit of the present invention include No.1 rotor plate, No. two rotor plates, No. two fixed links, No.1 rotation axis and first motor；In first motor rotation, No.1 rotor plate and No. two turn Movable plate passes through the mutual cooperation with No. two fixed links so that No.1 rotor plate and No. two rotation distances between plates occur continuity and become Change, causes upper roller that sequential change occurs to the bending depth of bending part, and then control the shape of bending part, reduce and replace folding Bending mould number, to improve production efficiency.

3. a kind of symmetrical bender of the present invention, No. three sliding blocks pass through No. three springs and three in No. three grooves Number groove is fixedly connected, and is alleviated the power generated in the rotation of shape control unit, the service life of No. two fixed links is improved, to carry High bender service life.

4. a kind of symmetrical bender of the present invention, the position-limiting unit includes No.1 sliding block, sliding bar and connection Bar limits telescopic unit by the mutual cooperation of No.1 sliding block, sliding bar and connecting rod, reduces telescopic unit shifting Abrasion of the power to telescopic unit in dynamic to improve the precision of telescopic unit, and then improves production quality.

Description of the drawings

The invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 is the front view of the present invention；

Fig. 2 is the partial enlarged view of A in Fig. 1；

Fig. 3 is the sectional view of B-B in Fig. 1；

Fig. 4 is the sectional view of C-C in Fig. 1；

Fig. 5 is the partial enlarged view of D in Fig. 3；

Fig. 6 is the sectional view of E-E in Fig. 4；

In figure：Shell 1, upper roller 3,4, No. two bend bars 5 of No.1 bend bar, No.1 fixed link 6, is consolidated lower roller 2 Determine block 7, guide rod 8, shape control unit 41, telescopic unit 42, position-limiting unit 43, pneumatic cylinder 44, aspiration pump 45, hose 21, connect Extension bar 431, No.1 sliding block 432, sliding bar 433, babinet 421, mobile bar 422, piston plate 423, venthole 424, No.1 groove 425,411, No. two No. two grooves 426, the spring 428, two of blanket 427, two sliding block 429, No.1 rotor plate rotor plates 412, No. two fixed links 413, No.1 rotation axis 414,415, No. three grooves 11 of first motor, block 12, No. three springs 13, electromagnetism Block 14.

Specific implementation mode

In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below Specific implementation mode is closed, the present invention is further explained.

As shown in Figures 1 to 6, a kind of symmetrical bender of the present invention, including shell 1, lower roller 2 and upper roller 3；It is characterized in that：Further include 4, No. two bend bars 5 of No.1 bend bar, No.1 fixed link 6, fixed block 7 and guide rod 8；Institute It is the same part to state No.1 bend bar 4 and No. two bend bars 5；The No.1 fixed link 6 is connected across fixed block 7；It is described 6 one end of No.1 fixed link is hinged with No.1 bend bar 4, the other end and No. two bend bars 5 are hinged；The fixed block 7 is fixed Guide rod 8 is installed；The guide rod 8 is fixedly mounted on shell 1；When work, No.1 bend bar 4 passes through upper roller 3 and lower roll The mutual cooperation of cylinder 2 realizes the bending to bending part, and in bending process, No.1 bend bar 4 passes through No.1 bend bar 4 Hinged No.1 fixed link 6 drives No. two bend bars 5 to the end motion far from lower roller 2；No. two bend bars 4 are by upper The bending to bending part is realized in the mutual cooperation of roller 3 and lower roller 2, at the same No.1 fixed link 6 drive No.1 bend bar 4 to An end motion far from lower roller 2；Lower roller 2 provides support platform for bending；

The No.1 bend bar 4 includes shape control unit 41, telescopic unit 42, position-limiting unit 43；In the shell 1 Portion is equipped with telescopic unit 42；42 top of the telescopic unit is equipped with shape control unit 41, the bottom end of telescopic unit 42 and upper roller Cylinder 3 is fixedly connected；41 top of the shape control unit is equipped with pneumatic cylinder 44；The pneumatic cylinder 44 and the fixed company in 1 top of shell It connects；1 top center position of the shell is equipped with aspiration pump 45；The aspiration pump 45 is connected to pneumatic cylinder 44, pumping by hose 21 Pump 45 to pneumatic cylinder 44 for providing air pressure；The telescopic unit 42 is fixedly connected with position-limiting unit 43；Shape control unit 41 is logical Cross continuity rotation so that upper roller 3 changes the depth of bending part into Line Continuity, to control bending part shape；It is flexible Unit 42 makes mobile bar 422 move downward by gas pressure, to be changed to the depth of bending part；

The position-limiting unit 43 includes connecting rod 431, No.1 sliding block 432 and sliding bar 433；It is described to pass through No.1 sliding block 432 sliding bar 433 is fixedly mounted on 1 inner wall of shell；The No.1 sliding block 432 passes through connecting rod 431 and telescopic unit 42 It is fixedly connected；Connecting rod 431 is so that telescopic unit 42 during exercise with No.1 sliding block 432 in same plane, reduces in movement Abrasion of the power to telescopic unit 42 is generated, to improve the service precision of telescopic unit 42.

As one embodiment of the present invention, the telescopic unit 42 includes babinet 421, mobile bar 422, piston plate 423；421 top of the babinet is equipped with venthole 424, and venthole 424 is for air pressure to be imported into babinet 421；The babinet 421 side walls are equipped with No.1 groove 425；The piston plate 423 is set to inside babinet 421；The mobile bar 422 is fixedly mounted on work 423 bottom of seben；The mobile bar 422 is fixedly connected with upper roller 3；423 side wall of the piston plate is equipped with No. two grooves 426；423 top surface of the piston plate is fixedly connected by blanket 427 with 421 top plate inner wall of babinet；Piston plate 423 is in air pressure Mobile bar 422 is pushed down under effect, to drive upper roller 3 to carry out bending to bending part；Blanket 427 is in pushing course In prevent air pressure to be overflowed from No.1 groove 425, reduce air pressure, the insufficient pressure for causing mobile bar 422 to move down.

As one embodiment of the present invention, No. two springs 428 and No. two sliding blocks are equipped in No. two grooves 426 429；No. two sliding blocks 429 are mounted on by No. two springs 428 in No. two grooves 426；429 section of No. two sliding blocks is half Cylinder, No. two sliding blocks 429 are used cooperatively with No.1 groove 425；By No. two cunnings in No. two grooves 426 in the work of piston plate 423 Block 429 screws off, and No. two sliding blocks 429 are departing from No.1 groove 425 so that is fixed on the mobile bar 422 under piston plate 423 in air pressure It is moved down under effect.

As one embodiment of the present invention, the shape control unit 41 includes 411, No. two rotations of No.1 rotor plate 412, No. two fixed links 413 of plate, No.1 rotation axis 414 and first motor 415；The first motor 415 is fixedly mounted on babinet On 421, the first motor 415 is fixedly connected with No. two rotor plates 412 by No.1 rotation axis 414；The No.1 rotor plate 411 It is hinged by No. two fixed links 413 and No. two rotor plates 412；411 top of the No.1 rotor plate is fixedly connected with pneumatic cylinder 44； The No.1 rotor plate 411 and No. two rotor plates 412 are same component；First motor 415 drives No.1 rotation axis 414 to revolve at a high speed Turn, generation movement corresponding to No. two rotor plates 412 that No.1 rotation axis 414 is fixedly connected, No. two rotor plates 412 are solid by No. two The hinged No.1 rotor plate 411 of fixed pole 413 also generates movement, for controlling No.1 rotor plate 411 and No. two 412 spacing of rotor plate Change from continuity occurs, and then make upper roller 3 that continuity variation occur to the extruding depth of bending part, for controlling bending part Shape.

As one embodiment of the present invention, 1 inner wall of the shell offers No. three grooves 11；No. three grooves 11 In be equipped with block 12 and No. three springs 13；The block 12 is fixedly connected by No. three springs 13 with No. three grooves 11；The gear Block 12 is made of magnetic material；1 outside of the shell is installed with electromagnetic block 14；It is rotated in No.1 rotor plate 411 and No. two During plate 412 moves downward, No.1 rotor plate 411 and No. two rotor plates 412 squeeze the block 12 in No. three grooves 11 so that block 12 move inward, and have buffered the power generated in No.1 rotor plate 411 and No. two rotations of rotor plates 412, have waited for 411 He of No.1 rotor plate When No. two rotor plates 412 leave 12 position of block, electromagnetic block 14 is powered, electromagnetic block 14 resets the block 12 of magnetic texure, In No.1 rotor plate 411 and No. two 412 backhauls of rotor plate, block 12 is drawn into No. three grooves 11 by electromagnetic block 14.

As one embodiment of the present invention, 411 side plate section of the No.1 rotor plate is that a quarter is round；Block 12 lateral wall is arc surface, arc surface is for coordinating No.1 rotor plate 411 to use, and has buffered No.1 rotor plate 411 and No. two The power that rotor plate 412 generates when rotating, improves the service life of shape control unit 41.

When work, first bending part is placed on bottom roll 2, open the switch of aspiration pump 45 in No.1 bend bar 4 and First motor 415 switchs.First, when piston plate 423 moves in telescopic unit 42, by No. two sliding blocks 429 in No. two grooves 426 It is screwed into No. two grooves 426, when No. two sliding blocks 429 are detached from No.1 groove 425, the air pressure entered from venthole 424 pushes Mobile bar 422 moves down, and the upper roller 3 that mobile bar 422 is fixedly connected carries out preliminary bending to bending part, in moving process and When No. two sliding blocks 429 are resetted, when No.1 bend bar 4 and lower roller 2 coordinate bending, No.1 fixed link 6 drives No. two foldings Curved module 5 is to far from lower roller 2 one end motion, and position-limiting unit 43 limits telescopic unit 42 in bending process, to carry The high precision of telescopic unit 42；First motor 415 drives 411 He of No.1 rotor plate in shape control unit 41 after preliminary bending No. two rotor plates 412 rotate, and make distance between No.1 rotor plate 411 and No. two rotor plates 412 that continuity variation occur so that upper roller 3 pairs of bending parts of cylinder squeeze depth and generate continuity variation, to change bending part shape；And pass through No. three bullets in No. three grooves 11 The power that the block 12 that spring 13 is fixedly connected rotates shape control unit 41 is alleviated, and the mill to telescopic unit 42 is reduced Damage；The switch of aspiration pump 45 and first motor 415 opened in No. two bend bars 5 switch, and No. two bend bars 5 carry out and No.1 4 identical bending process of bend bar, in cycles.

The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle It is fixed.

Claims

1. a kind of symmetrical expression bender, including shell (1), lower roller (2) and upper roller (3)；It is characterized in that：It further include No.1 Bend bar (4), No. two bend bars (5), No.1 fixed link (6), fixed block (7) and guide rod (8)；The No.1 bend bar (4) it is the same part with No. two bend bars (5)；The No.1 fixed link (6) connects across fixed block (7)；The No.1 is solid Fixed pole (6) one end is hinged with No.1 bend bar (4), the other end and No. two bend bars (5) are hinged；The fixed block (7) is solid Dingan County is equipped with guide rod (8)；The guide rod (8) is fixedly mounted on shell (1)；

The No.1 bend bar (4) includes shape control unit (41), telescopic unit (42), position-limiting unit (43)；The shell Body (1) is internally provided with telescopic unit (42)；Shape control unit (41), telescopic unit are equipped at the top of the telescopic unit (42) (42) bottom end is fixedly connected with upper roller (3)；Pneumatic cylinder (44) is equipped at the top of the shape control unit (41)；The air pressure It is fixedly connected at the top of cylinder (44) and shell (1)；Shell (1) the top center position is equipped with aspiration pump (45)；The aspiration pump (45) pneumatic cylinder (44) is connected to by hose (21), the telescopic unit (42) is fixedly connected with position-limiting unit (43)；

The position-limiting unit (43) includes connecting rod (431), No.1 sliding block (432) and sliding bar (433)；It is described that No.1 is passed through to slide The sliding bar (433) of block (432) is fixedly mounted on shell (1) inner wall；The sliding block passes through connecting rod (431) and telescopic unit (42) it is fixedly connected.

2. a kind of symmetrical bender according to claim 1, it is characterised in that：The telescopic unit (42) includes babinet (421), mobile bar (422), piston plate (423)；Venthole (424) is equipped at the top of the babinet (421), venthole (424) is used In air pressure being imported into babinet (421)；Babinet (421) side wall is equipped with No.1 groove (425)；The piston plate (423) It is internal set on babinet (421)；The mobile bar (422) is fixedly mounted on piston plate (423) bottom；The mobile bar (422) with Upper roller (3) is fixedly connected；Piston plate (423) side wall is equipped with No. two grooves (426)；The piston plate (423) pushes up table Face is fixedly connected by blanket (427) with babinet (421) top plate inner wall.

3. a kind of symmetrical bender according to claim 2, it is characterised in that：It is equipped in No. two grooves (426) No. two springs (428) and No. two sliding blocks (429)；No. two sliding blocks (429) are mounted on No. two grooves by No. two springs (428) (426) in；No. two sliding blocks (429) section is semi-cylindrical, and No. two sliding blocks (429) are used cooperatively with No.1 groove (425).

4. a kind of symmetrical bender according to claim 1, it is characterised in that：The shape control unit (41) includes No.1 rotor plate (411), No. two rotor plates (412), No. two fixed links (413), No.1 rotation axis (414) and first motor (415)；The first motor (415) is fixedly mounted on babinet (421), and the first motor (415) passes through No.1 rotation axis (414) No. two rotor plates (412) are fixedly connected with；The No.1 rotor plate (411) passes through No. two fixed links (413) and No. two rotations Plate (412) is hinged；It is fixedly connected with pneumatic cylinder (44) at the top of the No.1 rotor plate (411)；The No.1 rotor plate (411) and No. two rotor plates (412) are same component.

5. a kind of symmetrical bender according to claim 1, it is characterised in that：Shell (1) inner wall offers three Number groove (11)；Block (12) and No. three springs (13) are equipped in No. three grooves (11)；The block (12) passes through No. three Spring (13) is fixedly connected with No. three grooves (11)；The block (12) is made of magnetic material；It is fixed on the outside of the shell (1) Electromagnetic block (14) is installed.

6. a kind of symmetrical bender according to claim 4, it is characterised in that：No.1 rotor plate (411) side plate Section is that a quarter is round；The lateral wall of block (12) is arc surface, and arc surface is for coordinating No.1 rotor plate (411) to make With.