CN203109335U - Driving device for hydraulic synchronous composite transmission plate shearing machine - Google Patents
Driving device for hydraulic synchronous composite transmission plate shearing machine Download PDFInfo
- Publication number
- CN203109335U CN203109335U CN 201220367666 CN201220367666U CN203109335U CN 203109335 U CN203109335 U CN 203109335U CN 201220367666 CN201220367666 CN 201220367666 CN 201220367666 U CN201220367666 U CN 201220367666U CN 203109335 U CN203109335 U CN 203109335U
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- cylinder
- drive division
- driving
- cylinder body
- shearing machine
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Abstract
The utility model discloses a driving device for a hydraulic synchronous composite transmission plate shearing machine. The driving device comprises driving parts and a movable knife frame, wherein the movable knife frame is connected with the driving parts; each driving part comprises a cylinder body, a piston, a secondary toggle rod and a sliding block, wherein the pistons are arranged in the cylinder bodies, and the sliding blocks are connected with the pistons through the secondary toggle rods and arranged on the movable knife frame; two groups of driving parts including a first driving part and a second driving part are respectively and symmetrically arranged; and each cylinder body is a series cylinder body which 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. By using the driving device, when pneumatic driving is used, large output force can be obtained, and the work efficiency is increased. Additionally, the moving accuracy of the movable knife frame is guaranteed through hydraulic series synchronization.
Description
Technical field
The utility model relates to a kind of plate shearing machine numerical control drive unit, relate in particular to driving mechanism pneumatic-the synchronous compound transmission plate shearing machine drive unit of secondary toggle link reinforcement-hydraulic pressure.
Background technology
Plate shearing machine is mainly used in often need cutting off processing to sheet material according to dimensional requirement in the more industrial department of sheet metal, is the most popular material shearing equipment of each industrial department, is mainly used in cutting out the linear edge of 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 than higher, working service owing to the number of strokes, 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 utility model the provides synchronous compound transmission plate shearing machine drive unit of pneumatic-secondary toggle link reinforcement-hydraulic pressure can obtain bigger power output by secondary toggle link force-increasing mechanism again when using pneumatic actuation, increase work efficiency.Simultaneously, guarantee the motion accuracy of movable knife rack synchronously by the hydraulic pressure series connection.
For achieving the above object, the technical solution adopted in the utility model is: the synchronous compound transmission plate shearing machine drive unit of a kind of hydraulic pressure, be integrated morphology in the same diameter cylinder body, it comprises drive division, the movable knife rack that is connected with described drive division, described drive division comprises cylinder body, be arranged on the piston in the described cylinder body, the secondary toggle link, slide block, described slide block is connected by described secondary toggle link with described piston, described slide block is arranged on the described movable knife rack, described drive division is symmetrically arranged with two groups, be respectively first drive division and second drive division, described cylinder body is the series connection cylinder body, described series connection cylinder body is divided into upper cylinder half and following cylinder by described piston, described first upper cylinder half that drives is connected with the following cylinder of described second drive division, and the described first following cylinder that drives is connected with the upper cylinder half of described second drive division.
Preferably, described first upper cylinder half that drives and the following cylinder of described second drive division are pneumatic cylinder, and described reversal valve is air operated reversing valve.
Preferably, the described first following cylinder that drives and the upper cylinder half of described second drive division are hydraulic cylinder.
In the such scheme, described secondary lining linkage comprises first toggle link, second toggle link and connecting rod, force-increasing mechanism is placed in the homogeneous diameter cylinder barrel, adopt 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 special hydraulic cylinder customized again.Wherein, be connected with hydraulic oil at 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.Described secondary toggle link force-increasing mechanism is placed in the cylinder barrel, can makes whole mechanism science more attractive in appearance.
The utility model operation principle is: when air operated reversing valve during at shown position, Compressed Gas leads to the left side cylinder, the drive piston rod moves downward, left side cylinder cavity of resorption hydraulic oil enters right cylinder epicoele, two cylinders are formed the hydraulic pressure series connection synchronously, at this moment, the piston rod drivening rod, this moment, β diminished, carry out the power amplification first time, simultaneously, two toggle links are subjected to the thrust of connecting rod, and pressure angle α also diminishes, 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 enters right cylinder cavity of resorption, and workpiece is unclamped in the pushing mechanism reposition, finishes a process.
Because technique scheme is used, the utility model compared with prior art has following advantage:
1, because the utility model has used secondary toggle link force-increasing mechanism, make power output greatly increase.Advantage with greenization and high efficiency.
2, because the utility model 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 utility model is integrated in homogeneous diameter cylinder barrel, and be symmetrical distribution, the power that slide block is born radially also is being for poised state all the time, so, it is not subjected to 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 schematic diagram of the present utility model.
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
Be further described below in conjunction with the utility model of embodiment shown in the drawings:
Embodiment one: shown in accompanying drawing 1.
The synchronous compound transmission plate shearing machine drive unit of pneumatic-secondary toggle link reinforcement-hydraulic pressure, it comprises drive division, the movable knife rack 3 that is connected with described drive division, described drive division comprises cylinder body 5, be arranged on the piston 4 in the described cylinder body 5, secondary toggle link 6, slide block 7, described slide block 7 is connected by described secondary toggle link 6 with described piston 4, described slide block 7 is arranged on the described movable knife rack 3, described drive division is symmetrically arranged with two groups, be respectively first drive division 1 and second drive division 2, described cylinder body is the series connection cylinder body, described series connection cylinder body divides by described piston 4 and is divided into upper cylinder half and following cylinder, the upper cylinder half of described first drive division 1 is connected with the following cylinder of described second drive division 2, and the following cylinder of described first drive division 1 is connected with the upper cylinder half of described second drive division 2.
The following cylinder of the upper cylinder half of described first drive division 1 and described second drive division 2 is pneumatic cylinder, and described reversal valve 8 is air operated reversing valve, and the following cylinder of described first drive division 1 and the upper cylinder half of described 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, the drive piston rod moves downward, left side cylinder cavity of resorption hydraulic oil enters right cylinder epicoele, and two cylinders are formed the hydraulic pressure series connection synchronously, at this moment, 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 are subjected to the thrust of connecting rod, pressure angle α also diminishes, and carry out the power amplification second time this moment, and also change α and β of the pressure angle of toggle link diminishes gradually, the secondary elbow-bar mechanism is carried out the power amplification twice, drives slide block and drives movable knife rack shearing workpiece.
When plate cutting mechanism is worked, the desirable reinforcement coefficient of force-increasing mechanism
For:
Actual reinforcement coefficient
For:
According to formula (2), we can draw shearing force
For:
(3)
In the formula:
-cylinder bore;
The equivalent friction angle of-hinges, computing formula is
(wherein
Be the hinge axis radius,
Be the centre-to-centre spacing in two elbow chain holes on the toggle link,
Coefficient of friction for the toggle link hinges);
By formula as can be known, the pressure angle of toggle link
,
Be worth more for a short time, its reinforcement effect is more apparent.But in plate cutting mechanism, need operating rate very fast, therefore
,
Value generally can be very not little.Generally desirable
Claims (3)
1. synchronous compound transmission plate shearing machine drive unit of hydraulic pressure, be integrated morphology in the same diameter cylinder body, comprise drive division, the movable knife rack that is connected with described drive division, described drive division comprises cylinder body, be arranged on the piston in the described cylinder body, the secondary toggle link, slide block, described slide block is connected by described secondary toggle link with described piston, described slide block is arranged on the described movable knife rack, it is characterized in that: described drive division is symmetrically arranged with two groups, be respectively first drive division and second drive division, described cylinder body is the series connection cylinder body, described series connection cylinder body is divided into upper cylinder half and following cylinder by described piston, described first upper cylinder half that drives is connected with the following cylinder of described second drive division, and the described first following cylinder that drives is connected with the upper cylinder half of described second drive division.
2. the synchronous compound transmission plate shearing machine drive unit of hydraulic pressure according to claim 1 is characterized in that: described first upper cylinder half that drives and the following cylinder of described second drive division are pneumatic cylinder.
3. the synchronous compound transmission plate shearing machine drive unit of hydraulic pressure according to claim 1 is characterized in that: the described first following cylinder that drives and the upper cylinder half of described second drive division are hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367666 CN203109335U (en) | 2012-07-27 | 2012-07-27 | Driving device for hydraulic synchronous composite transmission plate shearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367666 CN203109335U (en) | 2012-07-27 | 2012-07-27 | Driving device for hydraulic synchronous composite transmission plate shearing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203109335U true CN203109335U (en) | 2013-08-07 |
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ID=48889711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220367666 Withdrawn - After Issue CN203109335U (en) | 2012-07-27 | 2012-07-27 | Driving device for hydraulic synchronous composite transmission plate shearing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN203109335U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744454A (en) * | 2012-07-27 | 2012-10-24 | 苏州大学 | Pneumatic two-stage toggle rod reinforcement-hydraulic synchronous compound transmission plate shearing machine driving device |
| CN104526044A (en) * | 2014-12-03 | 2015-04-22 | 上海新力机器厂 | Symmetric hydraulic gate type plate shearing machine |
-
2012
- 2012-07-27 CN CN 201220367666 patent/CN203109335U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744454A (en) * | 2012-07-27 | 2012-10-24 | 苏州大学 | Pneumatic two-stage toggle rod reinforcement-hydraulic synchronous compound transmission plate shearing machine driving device |
| CN102744454B (en) * | 2012-07-27 | 2015-08-19 | 苏州大学 | Pneumatic-two-stage toggle rod reinforcement-hydraulic synchronization compound transmission plate shearer drive unit |
| CN104526044A (en) * | 2014-12-03 | 2015-04-22 | 上海新力机器厂 | Symmetric hydraulic gate type plate shearing machine |
| CN104526044B (en) * | 2014-12-03 | 2017-04-05 | 上海新力机器厂 | Symmetrical hydraulic gate type guillotine shear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20150819 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |