CN104526044A - Symmetric hydraulic gate type plate shearing machine - Google Patents
Symmetric hydraulic gate type plate shearing machine Download PDFInfo
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- CN104526044A CN104526044A CN201410728309.2A CN201410728309A CN104526044A CN 104526044 A CN104526044 A CN 104526044A CN 201410728309 A CN201410728309 A CN 201410728309A CN 104526044 A CN104526044 A CN 104526044A
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- knife rest
- eccentric wheel
- screw nut
- pinch roller
- rack
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Abstract
The invention provides a symmetric hydraulic gate type plate shearing machine. The machine is characterized in that an oil tank is used for mounting each part and storing hydraulic oil; hydraulic cylinders mounted at four corners of the top surface of a rack, and the lower parts of the hydraulic cylinders are connected with a tool rack; each eccentric wheel is respectively mounted on two sidewall boards of the rack, and a lower right eccentric wheel is used for positioning a right tool rack; a bidirectional lead screw adjusting device is used for positioning a left tool rack; a clearance between blades of the left tool rack and the right tool rack is adjusted through an upper left eccentric wheel and an upper right eccentric wheel; the tool racks are compressed through a left side pre-tensioning pressing wheel and a right side pre-tensioning pressing wheel, so that the tool racks can be contacted with each roller all the time; a discharging opening is formed below the rack, so that the shorn plate can be moved out from the rack; a supporting plate is welded into the rack, an included angle of 15 degrees is formed between the lower side of each tool rack and the level, and therefore, the plate can be supported and smoothly slide to reach the discharging opening. According to the machine, the completely-symmetric structure is adopted; the left side and the right side are symmetrically shorn through an electrical control system and a hydraulic cylinder; the shearing force can be completely counteracted in the horizontal direction during shearing; the structure is reasonable, and high in reliability.
Description
Technical field
The present invention relates to Mechanical Manufacture and Automation technical field, particularly, relate to a kind of symmetrical hydraulic gate type guillotine shear.
Background technology
Plate shearing machine (English name: plate shears; Guillotine shear) be do reciprocating linear motion with a blade another blade relative to shear the machine of sheet material.Be borrow in the cutter moved and fixing bottom knife, adopt rational gap blade, shearing force is applied to the sheet metal of various thickness, make sheet material by required size fracture separation.Plate shearing machine can be divided into mechanical type plate shearing machine and hydraulic gate type guillotine shear according to the kind of drive.
At present, hydraulic gate type guillotine shear generally adopts dynamic, lower cut structure, moved up and down by hydraulic cylinder band movable knife rack, three pair of rollers knife rests are adopted to position, pretension and guiding, two are had to be partial to roller in three rollers, be used for adjustable blade gap, such version can the fine function that must complete plate shearing machine, but the integral rigidity of lathe and poor stability, during shearing, noise is large, especially when plate shearing machine width is very large, knife rest and frame only lean on the roller on both sides and hydraulic cylinder to keep balancing, knife rest and frame is caused to form the very large simply supported beam of a span, the rigidity of lathe entirety and stability are declined greatly, the phenomenons such as easy generation noise pollution and machine breakdown.
Summary of the invention
For the above-mentioned defect existing for existing hydraulic gate type guillotine shear, the invention provides a kind of symmetrical hydraulic gate type guillotine shear, both sides synchronous shear function can be completed under the control of electric control system and hydraulic system, realize the object that plate shearing machine various components inside is symmetrical stressed.
In order to realize this function, the present invention is achieved by the following technical solutions.
A kind of symmetrical hydraulic gate type guillotine shear, comprising: frame, fuel tank, left knife rest, right knife rest, left hydraulic cylinder, right hydraulic cylinder, upper left eccentric wheel, upper right eccentric wheel, left side pretension pinch roller, right side pretension pinch roller, bottom right eccentric wheel, two-way leading screw adjusting device, frame discharging opening and retainer plate; Wherein, described frame is symmetrical body structure, and described fuel tank is welded on the installation of middle top for hydraulic system all parts and the storage of hydraulic oil of frame; Described left hydraulic cylinder and right hydraulic cylinder are installed on the corner of frame end face, and left hydraulic cylinder is connected by spherical pair with left knife rest and right knife rest respectively with the below of right hydraulic cylinder; Upper left eccentric wheel, upper right eccentric wheel, bottom right eccentric wheel, left side pretension pinch roller and right side pretension pinch roller are installed in the two side wall panels of frame respectively, bottom right eccentric wheel is connected with right knife rest, for the location of right knife rest, two-way leading screw adjusting device is installed on the upper surface of left knife rest and right knife rest, for the location of left knife rest, the gap of left knife rest and right knife rest cutter is regulated by upper left eccentric wheel and upper right eccentric wheel; Described left side pretension pinch roller and right side pretension pinch roller compress with left knife rest and right knife rest respectively and are connected, left side pretension pinch roller and right side pretension pinch roller are used for compressing left knife rest and right knife rest respectively, guarantee that left knife rest and right knife rest contact with right side pretension pinch roller with upper left eccentric wheel, upper right eccentric wheel, bottom right eccentric wheel, left side pretension pinch roller all the time in motion process; Have a discharging opening below frame, the plate by cutting can be taken out from machine frame inside; Retainer plate is welded on machine frame inside, and is positioned at the downside of left knife rest and right knife rest, and and there is between horizontal plane certain angle, for holding by the plate cut, and plate can be made successfully to slide into discharging opening.
Preferably, described two-way leading screw adjusting device comprises: servomotor, Hooks coupling universal coupling, screw nut sleeve, feed screw nut seat, feed screw nut, two-way leading screw, servo motor flange and servo motor seat; Wherein, servo motor seat and feed screw nut seat are fixed on the upper surface of left knife rest and right knife rest by screw, and described servo motor flange and screw nut sleeve are installed on servo motor seat and feed screw nut seat by deep groove ball bearing respectively; Described servomotor is fixed on servo motor flange by screw, and described feed screw nut is fixed on feed screw nut by screw and puts, and makes servomotor and feed screw nut on left knife rest and right knife rest, all have the rotational freedom in a direction; Two-way leading screw is each passed through the feed screw nut be fixed on left knife rest and right knife rest, and one end of two-way leading screw is connected by Hooks coupling universal coupling with between servomotor, has the radial rotating free degree between two-way leading screw and servomotor.
Preferably, the angle between described retainer plate and horizontal plane is 15 °.
Preferably, described frame is shaping by Plate Welding.
Preferably, the feed screw nut be fixed on described on left knife rest and right knife rest is oppositely installed.
Compared with prior art, the present invention has following beneficial effect:
Mid frame of the present invention is a symmetrical body structure, the active force of suffered shearing force and each roller (upper left eccentric wheel, upper right eccentric wheel and bottom right are eccentric) can self be cancelled out each other, do not form any internal torque, substantially increase rigidity and the stability of frame.Left knife rest and right knife rest also adopt symmetrical structure, shearing force is final in the horizontal direction to be offset by two-way leading screw adjusting device, two-way leading screw adjusting device is uniformly distributed along knife rest length direction, general distribution three, also according to the length adjustment of left knife rest and right knife rest two-way leading screw adjusting device distribution number, shearing rigidity and the stability of left knife rest and right knife rest can effectively be improved.Whole symmetrical hydraulic gate type guillotine shear under the prerequisite using a set of electric control system and hydraulic system, can complete the production capacity being equivalent to two lathes, and fuel tank is installed on frame central position and can be the installing space that knife rest provides larger simultaneously.
Provided by the invention to weighlock formula plate shearing machine entirety formation full symmetric structure, make the left and right sides form symmetrical shearing by electric control system and hydraulic system, in shear history, shearing force is offset in the horizontal direction completely, and reliability rational in infrastructure is high.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is symmetrical hydraulic gate type guillotine shear overall structure schematic diagram;
Fig. 2 is symmetrical hydraulic gate type guillotine shear discharging schematic diagram;
Fig. 3 is symmetrical hydraulic gate type guillotine shear two-way leading screw adjusting device distribution schematic diagram;
Fig. 4 is symmetrical hydraulic gate type guillotine shear two-way leading screw adjusting device structural representation;
In figure: 1 is left and right hydraulic cylinder, 2 is left knife rest, and 3 is eccentric wheel on left side, 4 is left side pretension pinch roller, and 5 is frame, and 6 is discharging opening, 7 is fuel tank, 8 is right knife rest, and 9 is eccentric wheel on right side, and 10 is eccentric wheel under right side, 11 is right side pretension pinch roller, 12 is two-way leading screw adjusting device, and 13 is retainer plate, and 14 is servomotor, 15 is Hooks coupling universal coupling, 16 is screw nut sleeve, and 17 is feed screw nut, and 18 is two-way leading screw, 19 is servo motor seat, 20 is servo motor flange, and 21 is feed screw nut seat, and 22 is deep groove ball bearing.
Detailed description of the invention
Below embodiments of the invention are elaborated: the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Present embodiments provide a kind of symmetrical hydraulic gate type guillotine shear, comprising: frame, fuel tank, left knife rest, right knife rest, left hydraulic cylinder, right hydraulic cylinder, upper left eccentric wheel, upper right eccentric wheel, left side pretension pinch roller, right side pretension pinch roller, bottom right eccentric wheel, two-way leading screw adjusting device, frame discharging opening and retainer plate; Wherein, described frame is symmetrical body structure, and described fuel tank is welded on the installation of middle top for hydraulic system all parts and the storage of hydraulic oil of frame; Described left hydraulic cylinder and right hydraulic cylinder are installed on the corner of frame end face, and left hydraulic cylinder is connected by spherical pair with left knife rest and right knife rest respectively with the below of right hydraulic cylinder; Upper left eccentric wheel, upper right eccentric wheel, bottom right eccentric wheel, left side pretension pinch roller and right side pretension pinch roller are installed in the two side wall panels of frame respectively, bottom right eccentric wheel is used for the location of right knife rest, two-way leading screw adjusting device is installed on the upper surface of left knife rest and right knife rest, for the location of left knife rest, the gap of left knife rest and right knife rest cutter is regulated by upper left eccentric wheel and upper right eccentric wheel; Left side pretension pinch roller and right side pretension pinch roller are used for compressing left knife rest and right knife rest respectively, guarantee that left knife rest and right knife rest contact with right side pretension pinch roller with upper left eccentric wheel, upper right eccentric wheel, bottom right eccentric wheel, left side pretension pinch roller all the time in motion process; Have a discharging opening below frame, the plate by cutting can be taken out from machine frame inside; Retainer plate is welded on machine frame inside, and is positioned at the downside of left knife rest and right knife rest, and and there is between horizontal plane certain angle, for holding by the plate cut, and plate can be made successfully to slide into discharging opening.
Further, described two-way leading screw adjusting device comprises: servomotor, Hooks coupling universal coupling, screw nut sleeve, feed screw nut seat, feed screw nut, two-way leading screw, servo motor flange and servo motor seat; Wherein, servo motor seat and feed screw nut seat are fixed on the upper surface of left knife rest and right knife rest by screw, and described servo motor flange and screw nut sleeve are installed on servo motor seat and feed screw nut seat by deep groove ball bearing respectively; Described servomotor is fixed on servo motor flange by screw, and described feed screw nut is fixed on feed screw nut by screw and puts, and makes servomotor and feed screw nut on left knife rest and right knife rest, all have the rotational freedom in a direction; Two-way leading screw is each passed through the feed screw nut be fixed on left knife rest and right knife rest, and one end of two-way leading screw is connected by Hooks coupling universal coupling with between servomotor, has the radial rotating free degree between two-way leading screw and servomotor.
Further, the angle between described retainer plate and horizontal plane is 15 °.
Further, described frame is shaping by Plate Welding.
Further, the feed screw nut be fixed on described on left knife rest and right knife rest is oppositely installed.
Below in conjunction with accompanying drawing, the present embodiment is described further.
Referring to figs. 1 through Fig. 4, symmetrical hydraulic gate type guillotine shear is formed primarily of frame 5, fuel tank 7, left knife rest 2, right knife rest 8, left and right hydraulic cylinder 1 (left hydraulic cylinder and right hydraulic stem), upper left eccentric wheel 3, upper right eccentric wheel 9, left side pretension pinch roller 4, right side pretension pinch roller 11, bottom right eccentric wheel 10, two-way leading screw adjusting device 12, frame discharging opening 6 and retainer plate 13.Wherein, two-way leading screw adjusting device is formed primarily of servomotor 14, Hooks coupling universal coupling 15, screw nut sleeve 16, feed screw nut 17, two-way leading screw 18, servo motor seat 19, servo motor flange 20 and feed screw nut seat 21.
The frame 5 of symmetrical hydraulic gate type guillotine shear is weldment, and retainer plate 13 is welded on two heel posts of machine frame inside, and end face corner place is welded with four oil cylinder seats, and left and right hydraulic cylinder 1 is secured by bolts on the oil cylinder seat of frame end face; Left knife rest 2 and there is a spherical pair between right knife rest 8 and left and right hydraulic cylinder, adopts bolt to be connected with disk spring, and guarantee spherical pair is in contact condition all the time; Upper left eccentric wheel 3, upper right eccentric wheel 9, left side pretension pinch roller 4, right side pretension pinch roller 11 and bottom right eccentric wheel 10 are installed in frame respectively.Two-way leading screw adjusting device 12 is installed on left and right knife rest upper surface, wherein, servo motor seat 19 and feed screw nut seat 21 are fixed on knife rest upper surface by screw, servo motor flange 20 and screw nut sleeve 16 are placed on the deep groove ball bearing in servo motor seat 19 and feed screw nut seat 21 respectively, servomotor 14 is fixed on servo motor flange 20 by screw, feed screw nut 17 is fixed on screw nut sleeve 16 by screw, makes servomotor 14 and feed screw nut 17 on left knife rest 2 and right knife rest 8, all have the rotational freedom in a direction; Two-way leading screw 18 is each passed through two feed screw nuts 17 oppositely installed and is connected with servomotor 14 by Hooks coupling universal coupling 15 end simultaneously.The assembling of symmetrical hydraulic gate type guillotine shear is completed by above-mentioned steps.
Below the method for adjustment of symmetrical hydraulic gate type guillotine shear gap blade is made an explanation.
After completing the assembling of symmetrical hydraulic gate type guillotine shear, hydraulic cylinder releases the rotary freedom of left and right knife rest 2 and 8 both direction, the free degree in one of them direction is used for the angle of shear of adjustable blade inclination scheduling and plate shearing machine, and the free degree in another direction is then for regulating blade clearance of plate-shearing machine.Because blade is fixed on knife rest, therefore, the adjustment of gap blade has come mainly through the position adjusting knife rest: first, left side pretension pinch roller 4 and right side pretension pinch roller 11 is allowed to keep in touch with left and right knife rest 2 and right knife rest 8 respectively, and having certain precompression, concrete size need be determined by calculating according to the characteristic of different lathe; Secondly, with bottom right eccentric wheel 10 for benchmark, adjust the position of right knife rest 8 by rotating bottom right eccentric wheel, make the gap between the upper bottom knife in right side reach 0.01 millimeter, can there is certain error, this gap, as preset clearance, is avoided forging a knife; Then, drive two-way leading screw adjusting device 12 to adjust the position of left knife rest 2 by servomotor 14, make the gap between the upper bottom knife in left side consistent with the upper and lower gap blade in right side; Finally, by the synchronous rotary of upper left eccentric wheel 3 and upper right eccentric wheel 9, adjusted in concert is completed to left and right gap blade, gap blade is adjusted to predetermined size.Now, symmetrical hydraulic gate type guillotine shear can carry out cutting to the sheet material of respective thickness.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (4)
1. a symmetrical hydraulic gate type guillotine shear, it is characterized in that, comprising: frame, fuel tank, left knife rest, right knife rest, left hydraulic cylinder, right hydraulic cylinder, upper left eccentric wheel, upper right eccentric wheel, left side pretension pinch roller, right side pretension pinch roller, bottom right eccentric wheel, two-way leading screw adjusting device, frame discharging opening and retainer plate; Wherein:
Described frame is symmetrical body structure, and described fuel tank is welded on the middle top of frame;
Described left hydraulic cylinder and right hydraulic cylinder are installed on the corner of frame end face, and left hydraulic cylinder is connected by spherical pair with left knife rest and right knife rest respectively with the below of right hydraulic cylinder;
Described upper left eccentric wheel, upper right eccentric wheel, bottom right eccentric wheel, left side pretension pinch roller and right side pretension pinch roller are installed in frame respectively, and bottom right eccentric wheel is connected with right knife rest;
Described two-way leading screw adjusting device is installed on the upper surface of left knife rest and right knife rest, and the gap of left knife rest and right knife rest cutter is regulated by upper left eccentric wheel and upper right eccentric wheel;
Described left side pretension pinch roller and right side pretension pinch roller compress with left knife rest and right knife rest respectively and are connected, and left knife rest and right knife rest contact with right side pretension pinch roller with upper left eccentric wheel, upper right eccentric wheel, bottom right eccentric wheel, left side pretension pinch roller all the time in motion process;
Have a discharging opening below described frame, described retainer plate is welded on machine frame inside, and is positioned at the downside of left knife rest and right knife rest, and and has certain angle between horizontal plane.
2. symmetrical hydraulic gate type guillotine shear according to claim 1, it is characterized in that, described two-way leading screw adjusting device comprises: servomotor, Hooks coupling universal coupling, screw nut sleeve, feed screw nut seat, feed screw nut, two-way leading screw, servo motor flange and servo motor seat; Wherein:
Described servo motor seat and feed screw nut seat are fixed on the upper surface of left knife rest and right knife rest by screw;
Described servo motor flange and screw nut sleeve are installed on servo motor seat and feed screw nut seat by deep groove ball bearing respectively;
Described servomotor is fixed on servo motor flange by screw, and described feed screw nut is fixed on feed screw nut by screw and puts, and servomotor and feed screw nut all have the rotational freedom in a direction on left knife rest and right knife rest;
Described two-way leading screw is each passed through the feed screw nut be fixed on left knife rest and right knife rest, and one end of two-way leading screw is connected by Hooks coupling universal coupling with between servomotor, has the radial rotating free degree between two-way leading screw and servomotor.
3. symmetrical hydraulic gate type guillotine shear according to claim 1, is characterized in that, the angle between described retainer plate and horizontal plane is 15 °.
4. symmetrical hydraulic gate type guillotine shear according to claim 2, is characterized in that, described in the feed screw nut be fixed on left knife rest and right knife rest oppositely install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410728309.2A CN104526044B (en) | 2014-12-03 | 2014-12-03 | Symmetrical hydraulic gate type guillotine shear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410728309.2A CN104526044B (en) | 2014-12-03 | 2014-12-03 | Symmetrical hydraulic gate type guillotine shear |
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| CN104526044A true CN104526044A (en) | 2015-04-22 |
| CN104526044B CN104526044B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410728309.2A Expired - Fee Related CN104526044B (en) | 2014-12-03 | 2014-12-03 | Symmetrical hydraulic gate type guillotine shear |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345121A (en) * | 2015-11-24 | 2016-02-24 | 南京工程学院 | Cut-off device of metal sheet cut-off machine |
| CN106180857A (en) * | 2016-08-01 | 2016-12-07 | 安徽纳赫智能科技有限公司 | A kind of long limit deburring plate shearing machine |
| CN106238800A (en) * | 2016-08-01 | 2016-12-21 | 安徽纳赫智能科技有限公司 | A kind of broadside shear lathe |
| CN107053279A (en) * | 2017-05-27 | 2017-08-18 | 湖南大学 | A kind of dummy neck part otch production special purpose device and cutting method |
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| CN203109335U (en) * | 2012-07-27 | 2013-08-07 | 苏州大学 | Driving device for hydraulic synchronous composite transmission plate shearing machine |
| FR2986985A1 (en) * | 2012-02-21 | 2013-08-23 | Peugeot Citroen Automobiles Sa | Shear for shearing sheet blank used to manufacture stamped part of car, has guide unit guiding displacement of upper blade, so that lower edge of upper blade delineates circular trajectory whose center is shifted from attack line by edge |
| CN203330497U (en) * | 2013-06-14 | 2013-12-11 | 安徽华德机床制造有限公司 | Middle portion symmetrical transmission type blade gap automatic adjusting device of hydraulic gate-type plate shearing machine |
| CN203696087U (en) * | 2014-03-11 | 2014-07-09 | 江苏中威重工机械有限公司 | Blade drive and gap regulating system of hydraulic brake type plate shearing machine |
| CN204321284U (en) * | 2014-12-03 | 2015-05-13 | 上海新力机器厂 | Symmetrical hydraulic gate type guillotine shear |
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2014
- 2014-12-03 CN CN201410728309.2A patent/CN104526044B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2986985A1 (en) * | 2012-02-21 | 2013-08-23 | Peugeot Citroen Automobiles Sa | Shear for shearing sheet blank used to manufacture stamped part of car, has guide unit guiding displacement of upper blade, so that lower edge of upper blade delineates circular trajectory whose center is shifted from attack line by edge |
| CN203109335U (en) * | 2012-07-27 | 2013-08-07 | 苏州大学 | Driving device for hydraulic synchronous composite transmission plate shearing machine |
| CN203330497U (en) * | 2013-06-14 | 2013-12-11 | 安徽华德机床制造有限公司 | Middle portion symmetrical transmission type blade gap automatic adjusting device of hydraulic gate-type plate shearing machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345121A (en) * | 2015-11-24 | 2016-02-24 | 南京工程学院 | Cut-off device of metal sheet cut-off machine |
| CN105345121B (en) * | 2015-11-24 | 2017-06-20 | 南京工程学院 | The shearing device of sheet metal cutting machine |
| CN106180857A (en) * | 2016-08-01 | 2016-12-07 | 安徽纳赫智能科技有限公司 | A kind of long limit deburring plate shearing machine |
| CN106238800A (en) * | 2016-08-01 | 2016-12-21 | 安徽纳赫智能科技有限公司 | A kind of broadside shear lathe |
| CN107053279A (en) * | 2017-05-27 | 2017-08-18 | 湖南大学 | A kind of dummy neck part otch production special purpose device and cutting method |
| CN107053279B (en) * | 2017-05-27 | 2018-04-17 | 湖南大学 | A kind of dummy neck part notch production special purpose device and cutting method |
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| CN104526044B (en) | 2017-04-05 |
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Address after: No. 540 Pusan Road, Pudong New Area, Shanghai, 200125 Patentee after: SHANGHAI XINLI MACHINERY FACTORY CO.,LTD. Address before: 200125 Dongfang Road, Shanghai, Pudong New Area, No. 3333 Patentee before: SHANGHAI XINLI MACHINE PLANT |
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Granted publication date: 20170405 Termination date: 20211203 |