CN102744454A - Pneumatic two-stage toggle rod reinforcement-hydraulic synchronous compound transmission plate shearing machine driving device - Google Patents
Pneumatic two-stage toggle rod reinforcement-hydraulic synchronous compound transmission plate shearing machine driving device Download PDFInfo
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- CN102744454A CN102744454A CN2012102631076A CN201210263107A CN102744454A CN 102744454 A CN102744454 A CN 102744454A CN 2012102631076 A CN2012102631076 A CN 2012102631076A CN 201210263107 A CN201210263107 A CN 201210263107A CN 102744454 A CN102744454 A CN 102744454A
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Abstract
The invention discloses a pneumatic two-stage toggle rod reinforcement-hydraulic synchronous compound transmission plate shearing machine driving device, which comprises driving parts and a movable tool rest connected with the driving parts, wherein each driving part comprises a cylinder body, a piston, two-stage toggle rods and a sliding block; the piston, the two-stage toggle rods and the sliding block are arranged in the cylinder body; the sliding block and the piston are connected by the two-stage toggle rods; the sliding block is arranged on the movable tool rest; two groups of driving parts are symmetrically arranged and are respectively a first driving part and a second driving part; the cylinder body is a serial cylinder body; the serial cylinder body is divided into an upper cylinder and a lower cylinder by the piston; the upper cylinder of the first driving part is communicated with the lower cylinder of the second driving part; and the lower cylinder of the first driving part is communicated with the upper cylinder of the second driving part. According to the pneumatic two-stage toggle rods reinforcement-hydraulic synchronous compound transmission plate shearing machine driving device disclosed by the invention, larger output force can be obtained when pneumatic driving is used so as to improve the working efficiency. Meanwhile, the movement accuracy of the tool rest is guaranteed by hydraulic serial synchronization.
Description
Technical field
The present invention relates to a kind of plate shearing machine numerical control drive unit, relate in particular to driving mechanism pneumatic-the compound transmission plate shearing machine of secondary toggle link reinforcement-Hydraulic Synchronizing drive unit.
Background technology
Plate shearing machine is mainly used in the more industrial department of sheet metal, often need cut off processing to sheet material according to dimensional requirement, is the most popular material shearing equipment of each industrial department, is mainly used in the linear edge of cutting out the various sizes sheet metal.The plate shearing machine main transmission mainly contains machine driving, hydraulic drive and pneumatic gearing; It is many that general hydraulic drive is used; Simpler owing to the number of strokes than higher, working service, be easy to grasp and reasons such as working order, the small dimension plate shearing machine adopts machine driving more.Pneumatic actuator then have be swift in motion, sensitive characteristics.
Summary of the invention
The purpose of this invention is to provide the pneumatic-compound transmission plate shearing machine of secondary toggle link reinforcement-Hydraulic Synchronizing drive unit, can when using pneumatic actuation, can obtain bigger power output through secondary toggle link force-increasing mechanism again, increase work efficiency.Simultaneously, guarantee the motion accuracy of movable knife rack synchronously through the hydraulic pressure series connection.
For achieving the above object; The technical scheme that the present invention adopts is: pneumatic-the compound transmission plate shearing machine of secondary toggle link reinforcement-Hydraulic Synchronizing drive unit, it comprise drive division, with the movable knife rack that said drive division is connected, said drive division comprises cylinder body, is arranged on said cylinder body interior piston, secondary toggle link, slide block; Said slide block is connected through said secondary toggle link with said piston; Said slide block is arranged on the said movable knife rack, and said drive division is symmetrically arranged with two groups, is respectively first drive division and second drive division; Said cylinder body is the series connection cylinder body; Said series connection cylinder body divides by said piston and is divided into upper cylinder half and following cylinder, and the upper cylinder half of said first driving is connected with the following cylinder of said second drive division, and the following cylinder of said first driving is connected with the upper cylinder half of said second drive division.
Preferably, the upper cylinder half of said first driving and the following cylinder of said second drive division are pneumatic cylinder, and said reversal valve is an air operated reversing valve.
Preferably, the following cylinder of said first driving and the upper cylinder half of said second drive division are hydraulic cylinder.
In the such scheme; Said secondary lining linkage comprises first toggle link, second toggle link and connecting rod, and force-increasing mechanism is placed in the homogeneous diameter cylinder barrel, adopts two secondary elbow-bar mechanism symmetric arrangement; On hydraulic cylinder; Having increased a series connection cylinder at second drive division, is equally big with regard to the effective area that guarantees cylinder like this, and needn't special again hydraulic cylinder customized.Wherein, be connected with hydraulic oil at the following cylinder and the second drive division upper cylinder half of first drive division, purpose is in order to obtain bigger shearing force, though adopted hydraulic means, causes pollution so do not have Hydraulic Elements such as pump, valve can not cause to leak.Said secondary toggle link force-increasing mechanism is placed in the cylinder barrel, can makes whole mechanism science more attractive in appearance.
Operation principle of the present invention is: when air operated reversing valve during at shown position, Compressed Gas leads to the left side cylinder, drives piston rod and moves downward, and left cylinder cavity of resorption hydraulic oil gets into right cylinder epicoele; Two cylinders are formed the hydraulic pressure series connection synchronously, at this moment, and the piston rod drivening rod; This moment, β diminished, and carried out the power amplification first time, simultaneously; Two toggle links receive the thrust of connecting rod, and pressure angle α also diminishes, and carry out the power amplification second time this moment; Also change α and β of the pressure angle of toggle link diminishes gradually, and the secondary elbow-bar mechanism is carried out the power amplification twice, drives slide block and drives movable knife rack and shear workpiece.After shearing finished piece(s), switch pneumatic operated valve, Compressed Gas gets into right cylinder cavity of resorption, and workpiece is unclamped in the pushing mechanism reposition, accomplishes a process.
Because the technique scheme utilization, the present invention compared with prior art has advantage:
1, because the present invention has used secondary toggle link force-increasing mechanism, make power output greatly increase.Advantage with greenization and high efficiency.
2, because the present invention uses the compound drive technology of gas-liquid.Its advantage is to have pneumatic rapidly and sensitive, especially has the synchronous advantage of hydraulic pressure tandem sequence, has guaranteed the synchronism of shearing.
3, because mechanism of the present invention is integrated in homogeneous diameter cylinder barrel; And be symmetrical distribution, the power that slide block is born radially also is being from poised state all the time, so; It does not receive frictional influence in theory; Compare with asymmetric mechanism, improved operating efficiency, prolonged the life-span of associated components.
Description of drawings
Accompanying drawing 1 is a sketch map of the present invention.
In the above accompanying drawing: 1, first drive division; 2, second drive division; 3, movable knife rack; 4, piston; 5, cylinder body; 6, secondary toggle link; 7, slide block; 8, reversal valve.
The specific embodiment
Below in conjunction with embodiment shown in the drawings the present invention is further described:
Embodiment one: shown in accompanying drawing 1.
Pneumatic-the compound transmission plate shearing machine of secondary toggle link reinforcement-Hydraulic Synchronizing drive unit; It comprises drive division, the movable knife rack 3 that is connected with said drive division; Said drive division comprises cylinder body 5, is arranged on piston 4, secondary toggle link 6, slide block 7 in the said cylinder body 5, and said slide block 7 is connected through said secondary toggle link 6 with said piston 4, and said slide block 7 is arranged on the said movable knife rack 3; Said drive division is symmetrically arranged with two groups; Be respectively first drive division 1 and second drive division 2, said cylinder body is the series connection cylinder body, and said series connection cylinder body divides by said piston 4 and is divided into upper cylinder half and following cylinder; The upper cylinder half of said first drive division 1 is connected with the following cylinder of said second drive division 2, and the following cylinder of said first drive division 1 is connected with the upper cylinder half of said second drive division 2.
The following cylinder of the upper cylinder half of said first drive division 1 and said second drive division 2 is a pneumatic cylinder, and said reversal valve 8 is an air operated reversing valve, and the following cylinder of said first drive division 1 and the upper cylinder half of said second drive division 2 are hydraulic cylinder.
In the present embodiment, when air operated reversing valve 8 during at shown position, Compressed Gas leads to the left side cylinder, drives piston rod and moves downward; Left side cylinder cavity of resorption hydraulic oil gets into right cylinder epicoele, and two cylinders are formed the hydraulic pressure series connection synchronously, at this moment, and the piston rod drivening rod; This moment, β diminished, and carried out the power amplification first time, simultaneously; Toggle link 1 and toggle link 2 receive the thrust of connecting rod, and pressure angle α also diminishes, and carry out the power amplification second time this moment; Also change α and β of the pressure angle of toggle link diminishes gradually, and the secondary elbow-bar mechanism is carried out the power amplification twice, drives slide block and drives movable knife rack and shear workpiece.
When plate cutting mechanism was worked, the desirable reinforcement coefficient of force-increasing mechanism
was:
Actual reinforcement coefficient
is:
According to formula (2), we can draw shearing force
and are:
In the formula:
-cylinder bore;
,
-? toggle mechanism theory pressure angle;
The equivalent friction angle of
-hinges; Computing formula is
, and (wherein
is the hinge axis radius;
is the centre-to-centre spacing in two elbow chain holes on the toggle link, and
is the coefficient of friction of toggle link hinges);
The equivalent friction angle of
-piston and cylinder;
The mechanical efficiency of
-cylinder piston arrangement, generally desirable
;
The mechanical efficiency of
-elbow-bar mechanism, generally desirable
;
Can know by formula; The pressure angle of toggle link
,
value is more little, and its reinforcement effect is apparent more.But in plate cutting mechanism; Need operating rate very fast, therefore the value of
,
generally can be very not little.Generally desirable
.
Claims (3)
1. pneumatic-compound transmission the plate shearing machine of secondary toggle link reinforcement-Hydraulic Synchronizing drive unit; Be integrated morphology in the same diameter cylinder body, comprise drive division, with the movable knife rack that said drive division is connected, said drive division comprises cylinder body, be arranged on piston, secondary toggle link, slide block in the said cylinder body; Said slide block is connected through said secondary toggle link with said piston; Said slide block is arranged on the said movable knife rack, it is characterized in that: said drive division is symmetrically arranged with two groups, is respectively first drive division and second drive division; Said cylinder body is the series connection cylinder body; Said series connection cylinder body divides by said piston and is divided into upper cylinder half and following cylinder, and the upper cylinder half of said first driving is connected with the following cylinder of said second drive division, and the following cylinder of said first driving is connected with the upper cylinder half of said second drive division.
2. according to claim 1 pneumatic-the compound transmission plate shearing machine of secondary toggle link reinforcement-Hydraulic Synchronizing drive unit, it is characterized in that: said first upper cylinder half that drive and the following cylinder of said second drive division are pneumatic cylinder.
3. according to claim 1 pneumatic-the compound transmission plate shearing machine of secondary toggle link reinforcement-Hydraulic Synchronizing drive unit, it is characterized in that: the said first following cylinder that drive and the upper cylinder half of said second drive division are hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210263107.6A CN102744454B (en) | 2012-07-27 | 2012-07-27 | Pneumatic-two-stage toggle rod reinforcement-hydraulic synchronization compound transmission plate shearer drive unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210263107.6A CN102744454B (en) | 2012-07-27 | 2012-07-27 | Pneumatic-two-stage toggle rod reinforcement-hydraulic synchronization compound transmission plate shearer drive unit |
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| Publication Number | Publication Date |
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| CN102744454A true CN102744454A (en) | 2012-10-24 |
| CN102744454B CN102744454B (en) | 2015-08-19 |
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| CN201210263107.6A Active CN102744454B (en) | 2012-07-27 | 2012-07-27 | Pneumatic-two-stage toggle rod reinforcement-hydraulic synchronization compound transmission plate shearer drive unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106799773A (en) * | 2017-02-28 | 2017-06-06 | 合肥钱锋特殊胶粘制品有限公司 | A kind of gas-liquid pressure-boosting drive mechanism and die-cutting machine |
| CN107191434A (en) * | 2016-03-14 | 2017-09-22 | 吕庆洲 | A kind of secondary reinforcement hydraulic cylinder test-bed |
| CN107321823A (en) * | 2017-07-19 | 2017-11-07 | 奥美森智能装备股份有限公司 | A kind of force-increasing mechanism |
| CN108526570A (en) * | 2018-05-03 | 2018-09-14 | 傅飞 | A kind of cutting apparatus of the multiple planks of processing |
| CN113681082A (en) * | 2021-07-30 | 2021-11-23 | 佛山市信新瀚家居科技有限公司 | Section bar cutting equipment |
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| CH349863A (en) * | 1956-11-07 | 1960-10-31 | Klaeger Heinrich | Piston control on hydraulic shear and press brakes |
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2012
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| FR1534103A (en) * | 1967-06-06 | 1968-07-26 | A Colly Ets | Device for adjusting the angle of inclination of the slide of a press and for automatically compensating for leaks or other phenomena tending to modify this angle |
| US3422727A (en) * | 1967-08-04 | 1969-01-21 | Pacific Press & Shear Corp | Two speed ram type machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191434A (en) * | 2016-03-14 | 2017-09-22 | 吕庆洲 | A kind of secondary reinforcement hydraulic cylinder test-bed |
| CN106799773A (en) * | 2017-02-28 | 2017-06-06 | 合肥钱锋特殊胶粘制品有限公司 | A kind of gas-liquid pressure-boosting drive mechanism and die-cutting machine |
| CN107321823A (en) * | 2017-07-19 | 2017-11-07 | 奥美森智能装备股份有限公司 | A kind of force-increasing mechanism |
| CN108526570A (en) * | 2018-05-03 | 2018-09-14 | 傅飞 | A kind of cutting apparatus of the multiple planks of processing |
| CN108526570B (en) * | 2018-05-03 | 2020-01-24 | 南通密特尔机床制造有限公司 | Cutting equipment for processing multiple plates |
| CN113681082A (en) * | 2021-07-30 | 2021-11-23 | 佛山市信新瀚家居科技有限公司 | Section bar cutting equipment |
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|---|---|
| CN102744454B (en) | 2015-08-19 |
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Effective date of registration: 20220127 Address after: 215000 No. 2-9, hangqiao Road, hejiajiao village, Wangting Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: SUZHOU QUNZHI MACHINERY EQUIPMENT Co.,Ltd. Address before: 215123 No. 199 benevolence Road, Suzhou Industrial Park, Jiangsu, Suzhou Patentee before: SOOCHOW University |