CN105414283A - Multifunctional plate bending machine - Google Patents

Multifunctional plate bending machine Download PDF

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Publication number
CN105414283A
CN105414283A CN201510649514.4A CN201510649514A CN105414283A CN 105414283 A CN105414283 A CN 105414283A CN 201510649514 A CN201510649514 A CN 201510649514A CN 105414283 A CN105414283 A CN 105414283A
Authority
CN
China
Prior art keywords
bending
idle roll
horizontal
cross beam
fixed cross
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.)
Pending
Application number
CN201510649514.4A
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Chinese (zh)
Inventor
刘开成
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.)
Chuzhou Pinzhida Electrical Technology Co Ltd
Original Assignee
Chuzhou Pinzhida Electrical 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 Chuzhou Pinzhida Electrical Technology Co Ltd filed Critical Chuzhou Pinzhida Electrical Technology Co Ltd
Priority to CN201510649514.4A priority Critical patent/CN105414283A/en
Publication of CN105414283A publication Critical patent/CN105414283A/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
    • B21D21/00Combined processes according to methods covered by groups B21D1/00 - B21D19/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/04Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations

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

Abstract

The invention discloses a multifunctional plate bending machine. The multifunctional plate bending machine comprises a plate bending mechanism and a plate milling mechanism. The plate bending mechanism comprises a left supporting pillar, a right supporting pillar, a first horizontal fixed beam, a second horizontal fixed beam, an air cylinder, a horizontal guide rail beam, an I-shaped beam, a bending top plate and a bending handle. The plate milling mechanism comprises a first driven roll, a second driven roll, a third driving roll, an annular rotary handle used for driving the third driving roll to rotate, and two height adjustment mechanisms used for adjusting the height of the third driving roll, and the annular rotary handle is fixedly arranged on a rotary shaft of the first driven roll. The multifunctional plate bending machine has the advantage of achieving multiple functions in one machine.

Description

Multi-functional squeezer
Technical field
The invention belongs to Machining Technology field, be specifically related to a kind of multi-functional squeezer.
Background technology
Squeezer in the market, due to the Sheet Metal Processing requirement of demand fulfillment different size, cause own vol comparatively huge, heavier-weight, price is higher, and function is but comparatively single.
Summary of the invention
The object of this invention is to provide a kind of squeezer simultaneously possessing several functions.
The technical scheme realizing the object of the invention is: a kind of multi-functional squeezer, comprises bent plate mechanism and mangle structure; Bent plate mechanism comprises left pillar, right pillar, the first horizontal fixed cross beam, the second horizontal fixed cross beam, cylinder, horizontal guide rail crossbeam, I-beam, bending top board, bending handle; Left pillar and right pillar are vertically arranged side by side; Two inwalls that left pillar is relative with right pillar are equipped with upright slide rail, and the two ends, left and right of horizontal guide rail crossbeam are equipped with the guide wheel mechanism with upright slide rail adaptation; The top of I-beam is fixed on the diapire of horizontal guide rail crossbeam, and the diapire of I-beam is positioned at directly over the second horizontal fixed cross beam, and the first horizontal fixed cross beam is positioned at directly over horizontal guide rail crossbeam; It is characterized in that: the cylinder body of cylinder is fixedly installed on the diapire of the first horizontal fixed cross beam, and the plunger of cylinder is fixedly installed on the roof of horizontal guide rail crossbeam; The two ends of bending top board rotate respectively be arranged on the second horizontal fixed cross beam rear wall on; Bending handle is arranged on bending top board; When bending handle upwards rotates, bending top board is driven upwards to rotate; Bending top board is provided with for flitch to be curved upwards being pushed up the curved top pressure surface of backfin, this top pressure surface can with bending top panel turns to and the second horizontal fixed cross beam roof place plane orthogonal; Mangle structure comprise the first idle roll, the second idle roll, the 3rd driving rollers, for drive the 3rd driving rollers rotate annular turning handle, for regulating two height adjustment mechanisms of the 3rd driving rollers height; Annular turning handle is fixedly installed in the rotating shaft of the first idle roll; First idle roll and the second idle roll level is contour is arranged side by side, the 3rd driving rollers is positioned on the first idle roll and the second idle roll, and the first idle roll, the second idle roll and the 3rd driving rollers line up isosceles triangle; Two height adjustment mechanisms are separately positioned on the top of left pillar and right pillar, each height adjustment mechanism comprises handwheel, screw rod with hand wheel rotating, hand rotation drives screw rod, and then drive the 3rd corresponding one end of driving rollers raise or reduce, thus adjustment the 3rd driving rollers and the first idle roll, gap between the second idle roll.
In such scheme, also comprise plate cutting mechanism; Plate cutting mechanism comprises to be sheared horizontal cutter and shears auxiliary cutter, and the blade shearing horizontal cutter becomes V-shaped, and the roof shearing auxiliary cutter is provided with and shears the V-type sword groove of horizontal cutter blade adaptation; Shear that horizontal swivel is dynamic to be arranged on I-beam, shear horizontal cutter and can turn to apical grafting on the diapire of I-beam around own torque, this position is for shearing station, and the blade now shearing horizontal cutter is downward; Shear horizontal cutter also to can turn in the groove of I-beam, this position is for depositing station; Shear auxiliary swivel dynamic be arranged on the second horizontal fixed cross beam or rotate be arranged on left pillar and right pillar, shear auxiliary cutter to turn to around own torque and be crimped on the second horizontal fixed cross beam, the V-type sword channel opening of auxiliary cutter, for shearing station, is now sheared upwards in this position; Shear the front side that auxiliary cutter also can turn to the second horizontal fixed cross beam, this position is for depositing station.The present invention has structure and comparatively simplifies the advantage with one-machine-multi-function.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the first structure of the present invention;
Fig. 2 is a kind of perspective view of squeezer shown in Fig. 1;
Fig. 3 is the close-up schematic view at A place in squeezer shown in Fig. 2;
Fig. 4 is that squeezer shown in Fig. 1 is from a kind of perspective view during another angle views;
Fig. 5 is the close-up schematic view at B place in squeezer shown in Fig. 4;
Fig. 6 is a kind of structural representation of the second structure of the present invention;
Fig. 7 is a kind of perspective view of squeezer shown in Fig. 6;
Fig. 8 is that squeezer shown in Fig. 6 is from a kind of perspective view during another angle views.
Detailed description of the invention
(embodiment 1)
Fig. 1 to Fig. 5 shows the first detailed description of the invention of the present invention, and wherein, Fig. 1 is a kind of structural representation of the first structure of the present invention; Fig. 2 is a kind of perspective view of squeezer shown in Fig. 1; Fig. 3 is the close-up schematic view at A place in squeezer shown in Fig. 2; Fig. 4 is that squeezer shown in Fig. 1 is from a kind of perspective view during another angle views; Fig. 5 is the close-up schematic view at B place in squeezer shown in Fig. 4.
The present embodiment is a kind of multi-functional squeezer, sees shown in Fig. 1 to Fig. 5, comprises bent plate mechanism 1, mangle structure 2 and pipe bending mechanism 3; Bent plate mechanism comprises left pillar 111, the horizontal fixed cross beam 122 of right pillar the 112, first horizontal fixed cross beam 121, second, cylinder 13, buffer spring 14, horizontal guide rail crossbeam 15, I-beam 16, bending top board 171, bending handle 172;
Left pillar and right pillar are side by side vertically and be oppositely arranged, two inwalls that left pillar is relative with right pillar are equipped with upright slide rail 113, the two ends, left and right of horizontal guide rail crossbeam are equipped with the guide wheel mechanism 151 with upright slide rail adaptation, and each guide wheel mechanism comprises the rail wheel 152 of at least two groups and upright slide rail adaptation; The top of I-beam is fixed on the diapire of horizontal guide rail crossbeam, and the diapire of I-beam is positioned at directly over the second horizontal fixed cross beam; First horizontal fixed cross beam is positioned at directly over horizontal guide rail crossbeam, and the cylinder body of cylinder is fixedly installed on the diapire of the first horizontal fixed cross beam, and the plunger of cylinder is fixedly installed on the roof of horizontal guide rail crossbeam; The quantity of buffer spring is two, and two buffer springs are symmetricly set on the both sides of cylinder, and the two ends of each buffer spring are hooked on the first horizontal fixed cross beam and horizontal guide rail crossbeam respectively; The two ends of bending top board rotate respectively be arranged on the second horizontal fixed cross beam rear wall on, in concrete practice, the two ends of bending top board also can be rotated respectively and are arranged on left pillar and right pillar; Bending top board is provided with top pressure surface, this top pressure surface can with bending top panel turns to and the second horizontal fixed cross beam roof place plane orthogonal; Bending handle is arranged on bending top board; When bending handle upwards rotates, bending top board is driven upwards to rotate.
The first relative ground of horizontal fixed cross beam is fixedly installed, and when the plunger of cylinder extends downwards, drive horizontal guide rail crossbeam and I-beam to move down, two buffer springs are synchronously elongated thereupon; The diapire of I-beam is provided with the plane as electrolysis, and the roof of the second horizontal fixed cross beam is provided with the plane as pad face 1221; I-beam moves down until its electrolysis will treat that the crimping of bending flitch is fixed on the pad face of the second horizontal fixed cross beam; That treats bending flitch treats that bending end is positioned on the top pressure surface of bending top board, if now upwards rotate bending handle, then treats the upwards bending of bending end by top pressure surface by what treat bending flitch.
The present embodiment adopts cylinder as power source, but in concrete practice, adopts hydraulic jack to be also feasible.
Mangle structure comprise the first idle roll 21, second idle roll 22, the 3rd driving rollers 23, for drive the 3rd driving rollers rotate annular turning handle 24, for regulating two height adjustment mechanisms 25 of the 3rd driving rollers height; Annular turning handle is fixedly installed in the rotating shaft 211 of the first idle roll.
First idle roll and the second idle roll level is contour is arranged side by side, the 3rd driving rollers is positioned on the first idle roll and the second idle roll, and the first idle roll, the second idle roll and the 3rd driving rollers line up isosceles triangle; Two height adjustment mechanisms are separately positioned on the top of left pillar and right pillar, and each height adjustment mechanism comprises handwheel 251, screw rod 252 with hand wheel rotating, and hand rotation drives screw rod, and then drive the 3rd corresponding one end of driving rollers raise or reduce; Thus adjustment the 3rd driving rollers and the first idle roll, gap between the second idle roll.
Rotate annular turning handle, drive driving rollers rotates, first flitch to be rolled enters the gap between the 3rd driving rollers and the first idle roll, then the gap between the 3rd driving rollers and the second idle roll is entered again, according to the gap between the thickness of flitch to be rolled self, case of bending and adjustable 3rd driving rollers and the first idle roll, the second idle roll, flitch to be rolled can be offseted, roll curved or roll thin.
Pipe bending mechanism comprises cart-wheel pipe bender structure 4, cart-wheel pipe bender structure comprises the first return pulley 41 be positioned on the right side of right pillar, second return pulley 42 and the 3rd pinch roller 43, first return pulley 41, the periphery wall of the second return pulley 42 and the 3rd pinch roller 43 is provided with annular groove 44 adaptive mutually, the rotating shaft 211 of the first idle roll, the rotating shaft 221 of the second idle roll, the rotating shaft 231 of the 3rd driving rollers is passed all to the right and is stretched out right pillar, first return pulley rotates and is arranged in the rotating shaft of the first idle roll, second return pulley rotates and is arranged in the rotating shaft of the second idle roll, 3rd pinch roller is fixedly installed in the rotating shaft of the 3rd driving rollers, isosceles triangle lined up by first return pulley, the second return pulley and three pinch rollers, and between right pillar and annular turning handle.
First the handwheel of turn height adjustment mechanism, drives the 3rd pinch roller to raise, and makes the gap between the 3rd pinch roller and the first return pulley, the second return pulley be enough to put down material pipe to be curved; Then material pipe to be curved is placed in annular groove adaptive on the first return pulley and the second return pulley, the handwheel of turn height adjustment mechanism again, make the 3rd pinch wheel descending to the height preset and utilize its annular groove to be pressed on steel pipe, then rotating annular turning handle drives the 3rd pinch roller to rotate, and then drives material pipe to be rolled rotation to make it bending; One can be obtained by this bend mode and bend to semicircle even the material pipe of annular.
In addition, in the present embodiment, the periphery wall of the first return pulley 41, second return pulley 42 and the 3rd pinch roller 43 is equipped with small one and large one two annular grooves, larger annular groove is used for the larger material pipe of bending diameter, less annular groove is used for the less material pipe of bending diameter, thus has widened the scope of application of the present embodiment further.
Pipe bending mechanism in the present embodiment also comprises lifts pressure type pipe bending mechanism 5, lift pressure type pipe bending mechanism and comprise the fixed bolster support 51, the many wheels orthoscopic slide rail 52 be arranged in fixed bolster support that are fixedly installed on right wheel outer wall, be arranged on the sliding mats support 53 on many wheel orthoscopic slide rails, rotate and be arranged on the sectional wheel 54 in the rotating shaft of the 3rd driving rollers, the collar 55 be arranged on sectional wheel, be arranged on and sectional wheel lifting pressure handle 56; Many wheels orthoscopic slide rail 52, sliding mats support 53, sectional wheel 54, between right pillar and annular turning handle, are more particularly between the 3rd pinch roller and annular turning handle; A straight line of the collar and sectional wheel is adjacent to be arranged.
The roof of sliding mats support is provided with the semi-circular recesses 531 run through along the longitudinal direction, and the periphery wall of sectional wheel is provided with the semicircle indent 541 with semi-circular recesses adaptation; The top of the collar is fixedly installed on sectional wheel, and the bottom of the collar encloses and forms circular trepanning 551, and the lower half circle of this circular trepanning is just arranged the semi-circular recesses in sliding mats support; The size of circular trepanning, semi-circular recesses and semicircle indent is adaptive.The semi-circular recesses of sliding mats support is arranged in the horizontal direction.
First sliding mats support is moved to the front portion of many wheel orthoscopic slide rails, then rotate and lift pressure handle, the position of the adjustment collar makes the lower half circle of circular trepanning just arrange the semi-circular recesses in sliding mats support; Again material pipe to be curved is placed in the semi-circular recesses of sliding mats support, the rear end of material pipe to be curved is then backward through the circular trepanning of the collar, then upwards rotate and lift pressure handle, sectional wheel rotates thereupon, by its semicircle indent by spacing in the semi-circular recesses of sliding mats support for the front portion of material pipe, continue upwards to rotate along with lifting pressure handle, sliding mats support also slides backward along many wheel orthoscopic slide rails thereupon, under the pressure effect of the collar, steel pipe is bent upwards; This kind of bend pipe mode, is generally used for the bend pipe that processing curvature is less.
The present embodiment integrates bent plate mechanism, mangle structure, roller type bent plate mechanism, lifts pressure type bent plate mechanism, achieves the advantage of one-machine-multi-function.
(embodiment 2)
Fig. 6 to Fig. 8 shows the second detailed description of the invention of the present invention, and wherein Fig. 6 is a kind of structural representation of the second structure of the present invention; Fig. 7 is a kind of perspective view of squeezer shown in Fig. 6; Fig. 8 is that squeezer shown in Fig. 6 is from a kind of perspective view during another angle views.
The present embodiment is substantially identical with embodiment 1, and difference is: see shown in Fig. 6 to Fig. 8, and the present embodiment also comprises plate cutting mechanism 6; Plate cutting mechanism comprises to be sheared horizontal cutter 61 and shears auxiliary cutter 62, and shear the blade 611 one-tenth V-shaped of horizontal cutter, the roof shearing auxiliary cutter is provided with and shears the V-type sword groove 621 of horizontal cutter blade adaptation; Shearing the rotation of horizontal cutter 61 is arranged on I-beam, shears horizontal cutter 61 and can turn to apical grafting on the diapire of I-beam around own torque, and this position is for shearing station, and the blade now shearing horizontal cutter is downward; Shearing horizontal cutter also can turn in the groove 161 of I-beam, is also namely positioned at front side or the rear side of I-beam, and this position is for depositing station, and the existence of now shearing horizontal cutter does not affect the bent plate operation of I-beam.In order to ensure steadiness, when shearing horizontal cutter and turning to shearing station or deposit station, with the horizontal cutter of bolt-connection fixed shear and I-beam, also can connect and fix by shackle member and shear horizontal cutter and I-beam.
Shear auxiliary swivel dynamic be arranged on the second horizontal fixed cross beam or rotate be arranged on left pillar and right pillar, shear auxiliary cutter to turn to around own torque and be crimped on the second horizontal fixed cross beam, the V-type sword channel opening of auxiliary cutter, for shearing station, is now sheared upwards in this position; Shear the front side that auxiliary cutter also can turn to the second horizontal fixed cross beam, this position is for depositing station, and the existence of now shearing auxiliary cutter does not affect the bent plate operation of I-beam; In order to ensure steadiness, when shearing auxiliary cutter and turning to shearing station or deposit station, with the auxiliary cutter of bolt-connection fixed shear and the second horizontal fixed cross beam, also can connect and fix by shackle member and shear auxiliary cutter and the second horizontal fixed cross beam.
After the horizontal cutter of shearing and the auxiliary cutter of shearing all turn to shearing station, cylinder piston is descending, can cut off at the horizontal cutter of shearing and the flitch sheared between auxiliary cutter.
The present embodiment also has shear function, and compare with embodiment 1, function is more, and does not increase overall taking up room, and has good Practical Performance.
The present embodiment, when carrying out bent plate operation, can turn to it separately the horizontal cutter of shearing and the auxiliary cutter of shearing and deposit station, now can utilize I-beam diapire that flitch crimping to be curved is fixed on the second horizontal fixed cross beam roof, thus carry out bent plate operation; When the present embodiment needs to carry out shear operation, the horizontal cutter of shearing and the auxiliary cutter of shearing can be turned to it separately and shear station, drive the horizontal cutter of shearing to move down when I-beam moves down, by the cooperation with the auxiliary cutter of shearing be positioned on the second horizontal fixed cross beam roof, thus cut off flitch to be cut.The advantage of the present embodiment shears horizontal cutter and shear auxiliary cutter only to need to rotate self, can operate at shear and not hinder between bent plate operation to switch, and operation comparatively simplifies.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.

Claims (1)

1. a multi-functional squeezer, comprises bent plate mechanism and mangle structure; Bent plate mechanism comprises left pillar, right pillar, the first horizontal fixed cross beam, the second horizontal fixed cross beam, cylinder, horizontal guide rail crossbeam, I-beam, bending top board, bending handle; Left pillar and right pillar are vertically arranged side by side; Two inwalls that left pillar is relative with right pillar are equipped with upright slide rail, and the two ends, left and right of horizontal guide rail crossbeam are equipped with the guide wheel mechanism with upright slide rail adaptation; The top of I-beam is fixed on the diapire of horizontal guide rail crossbeam, and the diapire of I-beam is positioned at directly over the second horizontal fixed cross beam, and the first horizontal fixed cross beam is positioned at directly over horizontal guide rail crossbeam; It is characterized in that: the cylinder body of cylinder is fixedly installed on the diapire of the first horizontal fixed cross beam, and the plunger of cylinder is fixedly installed on the roof of horizontal guide rail crossbeam; The two ends of bending top board rotate respectively be arranged on the second horizontal fixed cross beam rear wall on; Bending handle is arranged on bending top board; When bending handle upwards rotates, bending top board is driven upwards to rotate; Bending top board is provided with for flitch to be curved upwards being pushed up the curved top pressure surface of backfin, this top pressure surface can with bending top panel turns to and the second horizontal fixed cross beam roof place plane orthogonal; Mangle structure comprise the first idle roll, the second idle roll, the 3rd driving rollers, for drive the 3rd driving rollers rotate annular turning handle, for regulating two height adjustment mechanisms of the 3rd driving rollers height; Annular turning handle is fixedly installed in the rotating shaft of the first idle roll; First idle roll and the second idle roll level is contour is arranged side by side, the 3rd driving rollers is positioned on the first idle roll and the second idle roll, and the first idle roll, the second idle roll and the 3rd driving rollers line up isosceles triangle; Two height adjustment mechanisms are separately positioned on the top of left pillar and right pillar, each height adjustment mechanism comprises handwheel, screw rod with hand wheel rotating, hand rotation drives screw rod, and then drive the 3rd corresponding one end of driving rollers raise or reduce, thus adjustment the 3rd driving rollers and the first idle roll, gap between the second idle roll.
CN201510649514.4A 2015-10-08 2015-10-08 Multifunctional plate bending machine Pending CN105414283A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510649514.4A CN105414283A (en) 2015-10-08 2015-10-08 Multifunctional plate bending machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510649514.4A CN105414283A (en) 2015-10-08 2015-10-08 Multifunctional plate bending machine

Publications (1)

Publication Number Publication Date
CN105414283A true CN105414283A (en) 2016-03-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510649514.4A Pending CN105414283A (en) 2015-10-08 2015-10-08 Multifunctional plate bending machine

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3174322A (en) * 1960-05-19 1965-03-23 Cookson Sheet Metal Dev Ltd Machines for working sheet metal
GB1193970A (en) * 1966-10-14 1970-06-03 Eric Hordon Improvements relating to Metal Rolling Machines
CN201309062Y (en) * 2008-12-01 2009-09-16 曲杰 Pseudo-classic glazed tile type color steel plate tile press
CN102218460A (en) * 2011-07-29 2011-10-19 无锡洲翔重工科技有限公司 Multifunctional plate rolling machine
CN202527551U (en) * 2012-02-24 2012-11-14 南通特力锻压机床有限公司 Three-roller universal plate rolling machine for trailer
CN204018438U (en) * 2014-09-02 2014-12-17 青岛恒昌盛集团有限公司 Lampblack absorber panel straight flange bender

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3174322A (en) * 1960-05-19 1965-03-23 Cookson Sheet Metal Dev Ltd Machines for working sheet metal
GB1193970A (en) * 1966-10-14 1970-06-03 Eric Hordon Improvements relating to Metal Rolling Machines
CN201309062Y (en) * 2008-12-01 2009-09-16 曲杰 Pseudo-classic glazed tile type color steel plate tile press
CN102218460A (en) * 2011-07-29 2011-10-19 无锡洲翔重工科技有限公司 Multifunctional plate rolling machine
CN202527551U (en) * 2012-02-24 2012-11-14 南通特力锻压机床有限公司 Three-roller universal plate rolling machine for trailer
CN204018438U (en) * 2014-09-02 2014-12-17 青岛恒昌盛集团有限公司 Lampblack absorber panel straight flange bender

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Application publication date: 20160323