CN104827707A - Large-stroke pressed hydraulic machine capable of shortening pressing work stroke - Google Patents
Large-stroke pressed hydraulic machine capable of shortening pressing work stroke Download PDFInfo
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- CN104827707A CN104827707A CN201510238909.5A CN201510238909A CN104827707A CN 104827707 A CN104827707 A CN 104827707A CN 201510238909 A CN201510238909 A CN 201510238909A CN 104827707 A CN104827707 A CN 104827707A
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Abstract
The invention relates to a large-stroke pressed hydraulic machine capable of shortening pressing work stroke. The large-stroke pressed hydraulic machine comprises a machine frame, upper and lower beams, upper and lower workbenches and upper and lower guide rails, wherein the upper and lower workbenches respectively slide along the upper and lower guide rails and are fixedly connected with upper and lower dies respectively; the lower die is in contact with a jacking cylinder; the lower part of the lower workbench is in contact with a main oil tank. The large-stroke pressed hydraulic machine is characterized in that a quick oil tank is fixedly connected with the upper beam of the machine frame and is connected with the upper workbench; a pressing work stroke shortening device is fixedly connected in a dovetail groove in the upper part of the upper workbench. The large-stroke pressed hydraulic machine has the beneficial effects that the pressing work stroke shortening device is additionally arranged, and when slide cushion blocks of the device are positioned on the two sides of the upper workbench, quick return of the upper workbench can be guaranteed, so that a space for loading and unloading operation is created; when slide cushion blocks are positioned in the center of the upper workbench, short-stroke pressing of a work oil cylinder is guaranteed, so that the energy consumption for compressing excessive non-effective oil can be avoided, and the pressing time is shortened.
Description
Technical field
The invention belongs to hydraulic press, particularly relate to a kind of Long Distances pressing hydraulic machine shortening compacting impulse stroke.
Background technology
In order to the needs of the operational sequences such as satisfied charging and discharging, it is very large that the opening of many hydraulic presses and stroke do.But the real work stroke of hydraulic press only has 1/5 of slide block total kilometres or less.The compacting occasion of such as die forging, hot pressing, rubber-moulding, powder compacting and short impulse stroke.Hydraulic press in order to realize big uncork just must operating cylinder do very long, and when reality is suppressed, plunger is in oil cylinder lower end, upper end is filled with hydraulic oil, in order to realize the compacting to goods, the pressure that the oil of whole oil cylinder all reaches required must be made, as everyone knows, the oil of certain volume is compressed, need time and energy, the energy of the larger required compression of volume is larger, and the time is longer, so exert pressure with the goods of Long Distances oil cylinder to shorter impulse stroke not only can increase the working time, and need to consume more energy.Meanwhile, hydraulic press volume is made to become very large.Especially, when high specific pressure goods are suppressed, it is very large that cylinder diameter does relatively, makes this kind of hydraulic press huger.
Such as number of patent application: 201310028710.0, a kind of liquid-filled hydraulic system of Multi-cylinder Long Distances multidaylight press relates to the hydraulic system of multi-layer hydraulic press.Comprise the oil pump, control valve, pipeline, Pressure gauge, fuel tank, hydraulic control system, electric-control system and the multiple oil cylinders that are connected with press sill that are connected with motor, the beneficial effect of the invention is: be divided into by multiple oil cylinder the multiple oil cylinder 31 of middle multiple oil cylinder 30 and multiple oil cylinder 31, two side, two sides to hang with press sill 32 be connected by hanging pawl 34.Take high pressure and low pressure two groups of oil pumps, segmentation starts and work, and it exports the oil suction chamber that fluid enters the multiple oil cylinder 31 of middle multiple oil cylinder 30 and two sides respectively.Check valve is added with between high pressure and low pressure two groups of oil pumps export.The stage is lifted on top before heating platen closes, and by multiple oil cylinder 30 feed flow in the middle of low pressure and mass flow vane pump group, after closed, pressing stage is by the multiple oil cylinder in high-pressure oil pump group two side 31 and centre multiple oil cylinder 30 feed flow.Decrease installed power, energy-saving and cost-reducing, and its close stage lifting is fast, enhances productivity.In order to raise the efficiency, the mode adopting multiple oil cylinder segmentation to start and work, causes the structure of hydraulic press very complicated.
Summary of the invention
The object of the invention is to the deficiency overcoming above-mentioned technology, and a kind of Long Distances pressing hydraulic machine shortening compacting impulse stroke is provided, according to the stroke of suppression process, by changing the sliding mats tile height shortening compacting work stroke apparatus, the size of stroke and shut height can be changed, to adapt to different workpiece.Not only can reduce machine volume, weight reduction, and significantly can shorten pressing cycle, reduce energy ezpenditure.
The present invention for achieving the above object, by the following technical solutions: a kind of Long Distances pressing hydraulic machine shortening compacting impulse stroke, comprise frame and upper underbeam thereof, lower work platform and upper/lower guide, lower work platform respectively vertically guide rail slide up and down, lower work platform is connected with upper and lower mould respectively, counterdie and liftout tank touch, described lower table bottom and master cylinder touch, it is characterized in that: the upper beam of described frame is connected with Quick cylinder, described Quick cylinder is connected with upper table, be connected with in the dovetail groove on described upper table top and shorten compacting work stroke apparatus.
Described shortening compacting work stroke apparatus comprises pair of sliding cushion block and driving mechanism, and described slip cushion block is placed in upper table both sides, described slip cushion block by driving mechanism along longitudinal sliding motion before and after upper table.
Described driving mechanism comprises motor decelerating mechanism and drives leading screw, and described driving leading screw is threaded with slip cushion block, and motor decelerating mechanism drives and drives screw turns and drive slip cushion block slide anteroposterior.
Described driving mechanism or be made up of two one-way pistons, piston rod respectively with two slip cushion blocks of described two one-way pistons are affixed.
Between described slip cushion block bottom and the dovetail groove on upper table top, planar upper has several spring balls.
Described Quick cylinder is fixed on the underbeam of frame.
Beneficial effect: compared with prior art, the present invention shortens compacting work stroke apparatus by setting up, the pressing stroke of the slip cushion block fluid,matching press of this device does clutch campaign, when slip cushion block is in upper table both sides, the Long Distances fast return of upper table can be realized, for the operation of discharging charging creates space; When slip cushion block is in upper table central authorities, ensure that the short stroke compacting of operating cylinder.Without the need to as conventional hydraulic machine, compress a large amount of barren liquor force feeds.The comparatively short oil cylinder corresponding to pressing stroke design is adopted to pressurize to goods, too much invalid fluid can be avoided by the energy ezpenditure compressed, and shorten pressing time, under identical pressing time condition, not only power of motor can significantly reduce, and complete machine weight can save 30%-50%.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation shortening compacting work stroke apparatus.
In figure: 1. slip cushion block 2. Quick cylinder 3. drives leading screw 4. frame 5. upper table 6. patrix 7. upper rail 8. counterdie 9. lower table 10. lower guideway 11. master cylinder 12. liftout tank 13. workpiece, 14, compacting work stroke apparatus is shortened, 15, motor decelerating mechanism.
Detailed description of the invention
The specific embodiment of the present invention is described in detail below in conjunction with preferred embodiment.
Embodiment
Refer to accompanying drawing 1-2, the invention provides a kind of Long Distances pressing hydraulic machine shortening compacting impulse stroke, comprise frame 4 and upper underbeam thereof, lower work platform 5, 9 and upper/lower guide 7, 10, lower work platform respectively vertically guide rail slide up and down, lower work platform is connected with upper and lower mould 6 respectively, 8, counterdie and liftout tank 12 touch, described lower table bottom and master cylinder 11 touch, the upper beam of described frame is connected with Quick cylinder 2, described Quick cylinder is connected with upper table, be connected with in the dovetail groove on described upper table top and shorten compacting work stroke apparatus 14.Described shortening compacting work stroke apparatus comprises pair of sliding cushion block 1 and driving mechanism, and during backhaul, described slip cushion block is placed in upper table both sides, and during compacting, described slip cushion block is in the middle part of upper table.Described slip cushion block by driving mechanism along longitudinal sliding motion before and after upper table.Described driving mechanism comprises motor decelerating mechanism 15 and drives leading screw 3, and described driving leading screw is threaded with slip cushion block, and motor decelerating mechanism drives and drives screw turns and drive slip cushion block slide anteroposterior.The present embodiment driving mechanism adopts and drives screw structure.Described driving mechanism or be made up of two one-way pistons, piston rod respectively with two slip cushion blocks of described two one-way pistons are affixed.Upper table up-downgoing is performed by least two or more Quick cylinders be connected on frame upper beam, lower table is then performed by the short stroke master cylinder be placed on underbeam the compacting of mould, when upper table is in pressing position, on upper table, the slip cushion block of both sides is under built-up leadscrew or two one-way pistons drive, move toward one another merges together, withstand upper beam to exert pressure with the master cylinder bearing lower table bottom, sliding mats tile height can adopt the adjustment of increase and decrease thickness, realizes the compacting of short stroke working cylinder.After compacting terminates, master cylinder can reset under Quick cylinder promotes, two slip cushion blocks separate under built-up leadscrew or two one-way pistons drive simultaneously, be in frame upper beam both sides, then Quick cylinder is upper table pull-up, two the slip cushion blocks being now placed in upper table just embed upper beam, are in its both sides.Achieve the Long Distances fast return of slide block, for the operation of discharging charging creates space.
Preferred version of the present invention is, between described slip cushion block bottom and the dovetail groove on upper table top, planar upper has several spring ball (not shown), can reduce resistance when slip cushion block moves in the dovetail groove of upper table.
Preferred version of the present invention is, described master cylinder is fixed on the underbeam of frame, and installs through the upper beam of frame without the need to resembling Long Distances oil cylinder, and machine volume weight can be made significantly to reduce.
The course of work:
Two slip cushion blocks 1 relatively do clutch campaign in the dovetail groove on upper table 5 top, and what make it do relative clutch campaign is the driving leading screw 3 that driven by motor decelerating mechanism or by hydraulically powered two one-way pistons.When upper table 5 with two slip cushion blocks 1 during patrix 6 fast approaching counterdie 8 just to drive leading screw (or driven plunger) to drive lower close and be in the upper beam of frame, the now upper beam of two slip cushion blocks and frame very near (about 1-2mm), so master cylinder 11 just begins through the counterdie 8 on lower table 9 and exerts pressure to the workpiece 13 of patrix 6, exert pressure after terminating, under Quick cylinder 2 promotes, by upper/lower die 6, 8 make the master cylinder 11 plunger backhaul under lower table 9, simultaneously two slip cushion blocks and frame upper beam occur that gap is driving leading screw or under driving oil cylinder effect, do counter motion, to disconnected position, now two slip cushion blocks have been in the both sides of upper table, Quick cylinder drives upper table get back to original position and contact with frame upper beam, so liftout tank releases workpiece 13, generally, the height of slip cushion block is identical with the stroke of hydraulic press, by changing the height of slip cushion block, the size of stroke and shut height can be changed, to adapt to different workpiece.
Adopt and corresponding to the comparatively short oil cylinder designed by pressing stroke, goods are pressurizeed, too much invalid fluid can be avoided by the energy ezpenditure compressed, and shorten pressing time, and volume and weight significantly reduces.
Above-mentioned detailed description of this kind of Long Distances pressing hydraulic machine shortening compacting impulse stroke being carried out with reference to embodiment; illustrative instead of determinate; several embodiments can be listed according to institute's limited range; therefore in the change do not departed under general plotting of the present invention and amendment, should belong within protection scope of the present invention.
Claims (6)
1. one kind is shortened the Long Distances pressing hydraulic machine of compacting impulse stroke, comprise frame and upper underbeam, lower work platform and upper/lower guide, lower work platform respectively vertically guide rail slide up and down, lower work platform is connected with upper and lower mould respectively, counterdie and liftout tank touch, described lower table bottom and master cylinder touch, it is characterized in that: the upper beam of described frame is connected with Quick cylinder, described Quick cylinder is connected with upper table, is connected with and shortens compacting work stroke apparatus in the dovetail groove on described upper table top.
2. the Long Distances pressing hydraulic machine shortening compacting impulse stroke according to claim 1, it is characterized in that: described shortening compacting work stroke apparatus comprises pair of sliding cushion block and driving mechanism, described slip cushion block is placed in upper table both sides, and described slip cushion block is laterally slided before and after upper table by driving mechanism.
3. the Long Distances pressing hydraulic machine shortening compacting impulse stroke according to claim 2, it is characterized in that: described driving mechanism comprises motor decelerating mechanism and drives leading screw, described driving leading screw is threaded with slip cushion block, and motor decelerating mechanism drives and drives screw turns and to drive before and after slip cushion block in opposite directions or reverse slide.
4. the Long Distances pressing hydraulic machine shortening compacting impulse stroke according to claim 2, it is characterized in that: described driving mechanism or be made up of two one-way pistons, piston rod respectively with two slip cushion blocks of described two one-way pistons are affixed.
5. the Long Distances pressing hydraulic machine shortening compacting impulse stroke according to claim 1, is characterized in that: between described slip cushion block bottom and the dovetail groove on upper table top, planar upper has several spring balls.
6. the Long Distances pressing hydraulic machine shortening compacting impulse stroke according to claim 1, is characterized in that: described Quick cylinder is fixed on the underbeam of frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510238909.5A CN104827707A (en) | 2015-05-12 | 2015-05-12 | Large-stroke pressed hydraulic machine capable of shortening pressing work stroke |
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| CN201510238909.5A CN104827707A (en) | 2015-05-12 | 2015-05-12 | Large-stroke pressed hydraulic machine capable of shortening pressing work stroke |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116173A (en) * | 2017-05-15 | 2017-09-01 | 天津太平洋超高压设备有限公司 | Hydraulic press and wheel hub hydraulic press |
| CN107322781A (en) * | 2017-08-04 | 2017-11-07 | 唐山贺祥机电股份有限公司 | The jacking mechanism and forming machine of high-pressure slurry-injection forming machine |
| CN109540687A (en) * | 2018-12-29 | 2019-03-29 | 王曦 | Cushion block mechanism is set on a kind of drawer type based on press machine |
| CN109540686A (en) * | 2018-12-29 | 2019-03-29 | 王曦 | Spacer-type press machine is set in one kind |
| CN111409250A (en) * | 2019-01-08 | 2020-07-14 | 科展材料科技股份有限公司 | Pressing machine |
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| CA2228775C (en) * | 1997-03-26 | 2006-07-04 | Aida Engineering Co., Ltd. | Hydraulic press for forming metal plates |
| EP1839844A2 (en) * | 2006-03-31 | 2007-10-03 | Dieffenbacher GmbH & Co. KG | Hydraulic press for plastic and metal processing |
| CN202071375U (en) * | 2011-04-26 | 2011-12-14 | 天津太平洋超高压设备有限公司 | Hydraulic press having fixed working cylinders, synchronously moving and rotating upper and lower pressure heads |
| CN103057144A (en) * | 2012-12-31 | 2013-04-24 | 福建海源自动化机械股份有限公司 | Large-tonnage hydraulic press with rapid stroke |
| CN203281692U (en) * | 2013-04-26 | 2013-11-13 | 天津太平洋超高压设备有限公司 | Shallow corrugated metal sheet hydraulic machine |
| CN103722069A (en) * | 2014-01-13 | 2014-04-16 | 合肥合锻机床股份有限公司 | Forming hydraulic machine for hot-press seal head |
| CN204640890U (en) * | 2015-05-12 | 2015-09-16 | 天津太平洋超高压设备有限公司 | Shorten the Long Distances pressing hydraulic machine of compacting impulse stroke |
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2015
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2228775C (en) * | 1997-03-26 | 2006-07-04 | Aida Engineering Co., Ltd. | Hydraulic press for forming metal plates |
| EP1839844A2 (en) * | 2006-03-31 | 2007-10-03 | Dieffenbacher GmbH & Co. KG | Hydraulic press for plastic and metal processing |
| CN202071375U (en) * | 2011-04-26 | 2011-12-14 | 天津太平洋超高压设备有限公司 | Hydraulic press having fixed working cylinders, synchronously moving and rotating upper and lower pressure heads |
| CN103057144A (en) * | 2012-12-31 | 2013-04-24 | 福建海源自动化机械股份有限公司 | Large-tonnage hydraulic press with rapid stroke |
| CN203281692U (en) * | 2013-04-26 | 2013-11-13 | 天津太平洋超高压设备有限公司 | Shallow corrugated metal sheet hydraulic machine |
| CN103722069A (en) * | 2014-01-13 | 2014-04-16 | 合肥合锻机床股份有限公司 | Forming hydraulic machine for hot-press seal head |
| CN204640890U (en) * | 2015-05-12 | 2015-09-16 | 天津太平洋超高压设备有限公司 | Shorten the Long Distances pressing hydraulic machine of compacting impulse stroke |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116173A (en) * | 2017-05-15 | 2017-09-01 | 天津太平洋超高压设备有限公司 | Hydraulic press and wheel hub hydraulic press |
| CN107322781A (en) * | 2017-08-04 | 2017-11-07 | 唐山贺祥机电股份有限公司 | The jacking mechanism and forming machine of high-pressure slurry-injection forming machine |
| CN109540687A (en) * | 2018-12-29 | 2019-03-29 | 王曦 | Cushion block mechanism is set on a kind of drawer type based on press machine |
| CN109540686A (en) * | 2018-12-29 | 2019-03-29 | 王曦 | Spacer-type press machine is set in one kind |
| CN109540687B (en) * | 2018-12-29 | 2023-11-07 | 无锡东仪制造科技有限公司 | Drawer type overhead cushion block mechanism based on press machine |
| CN109540686B (en) * | 2018-12-29 | 2024-02-06 | 无锡东仪制造科技有限公司 | Overhead cushion block type press |
| CN111409250A (en) * | 2019-01-08 | 2020-07-14 | 科展材料科技股份有限公司 | Pressing machine |
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Application publication date: 20150812 |