CN102922764A - Push cylinder type hydraulic screw press - Google Patents
Push cylinder type hydraulic screw press Download PDFInfo
- Publication number
- CN102922764A CN102922764A CN2012104841948A CN201210484194A CN102922764A CN 102922764 A CN102922764 A CN 102922764A CN 2012104841948 A CN2012104841948 A CN 2012104841948A CN 201210484194 A CN201210484194 A CN 201210484194A CN 102922764 A CN102922764 A CN 102922764A
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- type hydraulic
- screw press
- plunger type
- flywheel
- slide block
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Abstract
The invention provides a push cylinder type hydraulic screw press which comprises a machine frame, wherein a rotatable screw is arranged on the machine frame; the screw and a nut are matched with each other to form a screw pair; the nut is arranged in one sliding block; the screw is also coaxially connected with a flywheel fixedly; the flywheel is connected with a brake; a high-pressure oil cylinder is also arranged on the machine frame; the piston rod of the high-pressure oil cylinder is connected with the sliding block; and the high-pressure oil cylinder is provided with an upper oil port and a lower oil port. The push cylinder type hydraulic screw press adopts a hydraulic energy accumulator for accumulating energy, and has the advantages that mechanical kinetic energy loss caused by attrition slipping of an attrition press is avoided; the defects of complex mechanical structure and high manufacturing cost of a clutch screw press are overcome; the manufacture cost and the use cost are low; the operation is simple; the maintenance is convenient; and the energy saving effect is obvious.
Description
Technical field
The present invention relates to a kind of fly press, particularly relate to a kind of hydraulic screw press.
Background technology
Fly press is to do upper and lower motion and realize hammering and backhaul by the slide block that rotarily drives of flywheel screw rod.When work, make flywheel accelerate rotation with stored energy by motor-driven, the screw pair that forms by screw rod, nut simultaneously promotes slide block and moves downward, when slide block contact workpiece, flywheel is forced to slow down, and the rotation function of storage changes impact energy into, hit workpiece by slide block, make it distortion, then flywheel screw rod counter-rotating, slide block backhaul.
Existing fly press mainly has double plate friction fly press, electric screw press, three kinds of forms of clutch spiral press.The double plate friction press is combined flywheel driven by frictional disk and is rotated with flywheel, but because grinding disk exists larger friction to skid when flywheel is combined, so the mechanical kinetic energy loss is larger.Electric screw press is because the motor direct-drive flywheel rotates, and each operation cycle flywheel will be started from scratch and be accelerated to the rated speed secondary, so this forcing press exists, and installed capacity is large, frequent motor starting impacts large defective to electrical network.Clutch spiral press separates with screw rod owing to flywheel, screw rod and clutch plate inertia load are little, therefore when the driving stroke of flywheel prompt drop 12.5%, slide block process 100mm, just can give the effective energy that has 2 times of fly presses, its energy-saving effect is quite obvious, but because of its complex structure, technological requirement high, involve great expense, the defective such as maintenance difficult is so that great tonnage press is difficult to industrialization, the at present domestic whole dependence on import of clutch spiral press more than 4000 tons.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of simple and practical, easy to maintenance, Technological adaptability strong, can obtain in the short period of time the energy-saving hydraulic fly press of higher blow speed.
Reach for achieving the above object other relevant purposes, the invention provides a kind of plunger type hydraulic screw press, comprise a frame, described frame is provided with rotatable screw rod, described screw rod cooperates the formation screw pair with a nut, described nut is positioned at a slide block, described screw rod also is fixedly connected with a flywheel is coaxial, described flywheel is connected with brake, also be provided with high-voltage oil cylinder on the described frame, the piston rod of described high-voltage oil cylinder is connected with described slide block, and described high-voltage oil cylinder has on one hydraulic fluid port and hydraulic fluid port once.
Preferably, described screw rod middle part forms a round boss, and described frame is provided with plain thrust bearing, and described plain thrust bearing is set on the described round boss.
Preferably, described slide block comprises a slide body, the upper end of described slide body is provided with a nut sleeve, described frame is provided with a guide beam, described guide beam is provided with a pilot hole, be provided with a fairlead in the described pilot hole, described guide screw mother set stretches in the described fairlead, and described nut sleeve can move up and down along described fairlead.
Preferably, described nut is positioned at described guide screw mother set.
Preferably, the lower end of described slide body is provided with a slide block backing plate.
Preferably, be provided with liftout attachment in the described slide block backing plate.
Preferably, the base of described frame is provided with lower liftout attachment.
Preferably, four jiaos of described slide body are respectively equipped with a slide guide strip, and described frame is provided with the guide rail corresponding with described slide guide strip position, and described slide guide strip matches with described guide rail
Preferably, four slide guide strips and described slide body are the X-shaped layout.
Preferably, described flywheel is comprised of core wheel and wheel rim, and described wheel rim is enclosed within the outside of described core wheel, is provided with overload protection device between described wheel rim and the described core wheel.
As mentioned above, plunger type hydraulic screw press of the present invention has following beneficial effect: the slide block of this fly press is connected with high-voltage oil cylinder, promoting slide block by high-voltage oil cylinder moves downward, because the flywheel screw rod is rotationally connected with on the frame by rolling bearing, greatly reduced frictional resistance, add that screw pair adopts not self-locking thread, export to the rotation function that kinetic energy that slide block moves downward just changes the flywheel screw rod into by oil cylinder, and can drive easily the rotation of flywheel screw rod, increase along with the slide block down distance, its descending speed also increases thereupon, flywheel just can obtain enough rotary accelerations like this, and then assembles blow energy, when slide block down extremely contacts with workpiece, flywheel can carry out hammering to workpiece, stops operating until flywheel discharges whole energy.This plunger type hydraulic screw press adopts the hydraulic accumulator energy storage, eliminated the friction press friction skid the loss mechanical kinetic energy defective, to have overcome the electric screw press installed capacity large, the defective that the Fraquent start electric current is large, solution clutch spiral press complicated in mechanical structure, the defective that manufacturing cost is high, this fly press has the advantages such as make and use cost is low, simple to operate, easy to maintenance, energy-saving effect is obvious.
Description of drawings
Fig. 1 is the contour structures schematic diagram of the embodiment of the invention.
Fig. 2 is the longitudinal sectional view of Fig. 1.
Fig. 3 is the transverse sectional view of Fig. 1.
The element numbers explanation
The specific embodiment
Below by particular specific embodiment explanation embodiments of the present invention, person skilled in the art scholar can understand other advantages of the present invention and effect easily by the disclosed content of this specification.
See also Fig. 1 to Fig. 3.Notice, the appended graphic structure that illustrates of this specification, ratio, size etc., equal contents in order to cooperate specification to disclose only, understand and reading for person skilled in the art scholar, be not to limit the enforceable qualifications of the present invention, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the present invention can produce and the purpose that can reach, all should still drop in the scope that disclosed technology contents can contain.Simultaneously, quote in this specification as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under without essence change technology contents, when also being considered as the enforceable category of the present invention.
As shown in Figure 1, 2, 3, the invention provides a kind of plunger type hydraulic screw press, it comprises a frame, this frame is comprised of crossbeam 11, guide beam 13, column 14, base 20, working plate 18, centring ring 19 can be set on the frame, frame also is connected with pull bar 17, and pull bar 17 is fixing by pull-rod nut 22, thereby makes frame form a general frame structure.
Frame is provided with rotatable screw rod 7, and screw rod 7 cooperates the formation screw pair with a nut 15.5, and nut 15.5 is positioned at a slide block 15.Slide block 15 comprises a slide body 15.7, the upper end of slide body 15.7 is provided with a nut sleeve 15.6, nut 15.5 is positioned at nut sleeve 15.6, nut 15.5 passes through flat key 15.4 stationary fits in nut sleeve 15.6, and is fixedly connected on the slide body 15.7 with pressing plate 15.3, double-screw bolt 15.2, round nut 15.1.The lower end of slide body 15.7 is provided with a slide block backing plate 15.8, and slide block backing plate 15.8 is fixedly connected with slide body 15.7 by bolt 15.9.
The upper end of screw rod 7 is connected with a flywheel 1, and flywheel 1 is fixedly connected with screw rod 7 by flat key 6, clamp nut 4, hold-down bolt 3.Flywheel 1 is comprised of core wheel 1.5 and wheel rim 1.4, and wheel rim 1.4 is enclosed within the outside of core wheel 1.5, and wheel rim 1.4 is fixedly connected with core wheel 1.5.In order to prevent overload, the method that adopts friction to be fixedly connected with between core wheel 1.5 and the wheel rim 1.4 namely arranges brake pad 1.3 between core wheel 1.5 and wheel rim 1.4, then makes the edge of the edge compression core wheel 1.5 of wheel rim 1.4 by butterfly spring group 1.1 and pressing plate 1.2.Like this in the situation that load is less, can drive wheel rims 1.4 rotations by core wheel 1.5 by the frictional force of brake pad, and when load force during greater than the frictional force of brake pad 1.3, wheel rim 1.4 can not rotate with core wheel 1.5, but skids with respect to core wheel 1.5.
For the ease of braking, flywheel 1 also is connected with a brake 2, and brake 2 is fixed on the brake support frame 10.In order to reduce frictional resistance, flywheel 1, screw rod 7 are supported on the crossbeam 11 of frame by bearing 5.Screw rod 7 middle parts are provided with a round boss, are provided with plain thrust bearing in the frame, and plain thrust bearing is set on the round boss of screw rod, and this plain thrust bearing is comprised of cushion block 8 and heel piece 9, can increase the ability that screw rod bears hammering power like this.
Also be provided with high-voltage oil cylinder 12 on the frame, high-voltage oil cylinder 12 is comprised of cylinder body 12.1 and piston rod 12.2, and cylinder body 12.1 is provided with hydraulic fluid port A and lower hydraulic fluid port B, but moves up or down by different hydraulic fluid port oil-feed pushing piston bars 12.2.The piston rod 12.2 of high-voltage oil cylinder 12 is connected with slide body 15.7 by hold-down nut 12.3, and piston rod just can be with movable slider 15 to move up and down like this.
This fly press in use, start the hydraulic system of high-voltage oil cylinder 12, make the pressure of hydraulic system reach rated pressure and by the accumulator storage power, make brake 2 throw off flywheel 1 by electrical apparatus control system during work, simultaneously hydraulic oil through upper hydraulic fluid port A enter the epicoele of cylinder body 12.1, by the lower hydraulic fluid port B oil extraction of cavity of resorption, piston rod 12.2 can promote slide block 15 and moves downward rapidly like this, because screw pair adopts non-self-locking thread, so slide block 15 downward rectilinear motions will change flywheel 1 rotatablely moving along screw rod 7 into.Slide block 15 also increases with gathering way of Bottom Runby thereupon, and flywheel 1 just can obtain enough rotary accelerations like this, and then assembles blow energy.When slide block down when contacting the working plate workpiece, flywheel 1 releases energy workpiece is carried out hammering, flywheel slows down thereupon, when slide block 15 came downwards to the stroke end, flywheel 1 stopped operating and when putting whole energy, hammering finishes.The slide block 15 rapidly rises owing to being subjected to powerful hammering reaction force this moment, electrical apparatus control system makes the control valve commutation simultaneously, make the lower hydraulic fluid port B of high-voltage oil cylinder 12 enter the high pressure liquid force feed, and by the outside oil extraction of upper hydraulic fluid port A, slide block 15 can continue to go up like this, when slide block 15 gos up terminal point to stroke, by electrical apparatus control system reversal valve cuts out, high-voltage oil cylinder 12 quits work, and simultaneously brake 2 work are stopped the rotation flywheel 1, can finish like this and once forge and press process.For the ease of ejecting of workpiece, be provided with liftout attachment 16 in the slide block backing plate 15.8, the base 20 of frame is provided with lower liftout attachment 21.
In order to improve this fly press offset load resistance, the middle part of frame is provided with a guide beam 13, and the position of guide beam 13 is corresponding with the position of slide block 15 top nuts cover 15.6.Guide beam 13 is provided with a pilot hole, is provided with a fairlead 23 in the pilot hole, and nut sleeve 15.6 is positioned at this fairlead 23, and nut sleeve 15.6 can move up and down along fairlead 23.Four jiaos of slide body 15.7 are respectively equipped with a slide guide strip 25, frame is provided with the guide rail 24 corresponding with slide guide strip 25 positions, slide guide strip 25 matches with guide rail 24, and four slide guide strips 25 are X-shaped with slide body 15.7 and arrange, the ratio of width to height of slide block is obviously improved, and then Effective Raise fly press offset load resistance.
The slide block of this fly press is connected with high-voltage oil cylinder, promoting slide block by high-voltage oil cylinder moves down, slide block moves down in the process by the rotation of screw rod flywheel driven, also thereupon increase of its descending speed of distance increase along with slide block down, flywheel just can obtain enough rotary accelerations like this, and then assembles blow energy, when slide block down extremely contacts with workpiece, flywheel can carry out hammering to workpiece, stops operating until flywheel discharges whole energy.This plunger type hydraulic screw press adopts the hydraulic accumulator energy storage, eliminated the friction press friction skid the loss mechanical kinetic energy defective, to have overcome the electric screw press installed capacity large, the defective that the Fraquent start electric current is large, solution clutch spiral press complicated in mechanical structure, the defective that manufacturing cost is high, this fly press has the advantages such as make and use cost is low, simple to operate, easy to maintenance, energy-saving effect is obvious.In sum, the present invention has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not is used for restriction the present invention.Any person skilled in the art scholar all can be under spirit of the present invention and category, and above-described embodiment is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of finishing under disclosed spirit and the technological thought, must be contained by claim of the present invention.
Claims (10)
1. plunger type hydraulic screw press, comprise a frame, described frame is provided with rotatable screw rod, and described screw rod cooperates the formation screw pair with a nut, and described nut is positioned at a slide block, described screw rod also is fixedly connected with a flywheel is coaxial, described flywheel is connected with brake, it is characterized in that, also is provided with high-voltage oil cylinder on the described frame, the piston rod of described high-voltage oil cylinder is connected with described slide block, and described high-voltage oil cylinder has on one hydraulic fluid port and hydraulic fluid port once.
2. plunger type hydraulic screw press according to claim 1 is characterized in that: described screw rod middle part forms a round boss, and described frame is provided with plain thrust bearing, and described plain thrust bearing is set on the described round boss.
3. plunger type hydraulic screw press according to claim 1, it is characterized in that: described slide block comprises a slide body, the upper end of described slide body is provided with a nut sleeve, described frame is provided with a guide beam, described guide beam is provided with a pilot hole, be provided with a fairlead in the described pilot hole, described nut sleeve can stretch in the described fairlead, and described nut sleeve can move up and down along described fairlead.
4. plunger type hydraulic screw press according to claim 3, it is characterized in that: described nut is positioned at described nut sleeve.
5. plunger type hydraulic screw press according to claim 3, it is characterized in that: the lower end of described slide body is provided with a slide block backing plate.
6. plunger type hydraulic screw press according to claim 5 is characterized in that: be provided with liftout attachment in the described slide block backing plate.
7. plunger type hydraulic screw press according to claim 1, it is characterized in that: the base of described frame is provided with lower liftout attachment.
8. plunger type hydraulic screw press according to claim 3, it is characterized in that: four jiaos of described slide body are respectively equipped with a slide guide strip, described frame is provided with the guide rail corresponding with described slide guide strip position, and described slide guide strip matches with described guide rail.
9. plunger type hydraulic screw press according to claim 3 is characterized in that: four slide guide strips and described slide body are X-shaped and arrange.
10. plunger type hydraulic screw press according to claim 1, it is characterized in that: described flywheel is comprised of core wheel and wheel rim, and described wheel rim is enclosed within the outside of described core wheel, is provided with overload protection device between described wheel rim and the described core wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210484194.8A CN102922764B (en) | 2012-11-23 | 2012-11-23 | Push cylinder type hydraulic screw press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210484194.8A CN102922764B (en) | 2012-11-23 | 2012-11-23 | Push cylinder type hydraulic screw press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102922764A true CN102922764A (en) | 2013-02-13 |
| CN102922764B CN102922764B (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210484194.8A Active CN102922764B (en) | 2012-11-23 | 2012-11-23 | Push cylinder type hydraulic screw press |
Country Status (1)
| Country | Link |
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| CN (1) | CN102922764B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414294A (en) * | 2016-01-22 | 2016-03-23 | 温州市欧起机械设备有限公司 | Threaded-type die device |
| CN105414355A (en) * | 2016-01-22 | 2016-03-23 | 温州市欧起机械设备有限公司 | Mold capable of being intelligently controlled |
| CN105414292A (en) * | 2016-01-22 | 2016-03-23 | 余苏祥 | Die manufacturing device capable of protecting thread transmission |
| CN105414352A (en) * | 2016-01-22 | 2016-03-23 | 杨晓丹 | Mold equipment with position locking block |
| CN105538764A (en) * | 2016-01-22 | 2016-05-04 | 温州市欧起机械设备有限公司 | Novel mould manufacturing device |
| CN105563865A (en) * | 2016-01-22 | 2016-05-11 | 温州市欧起机械设备有限公司 | Mould manufacturing device with screw thread protection function |
| CN105690833A (en) * | 2016-01-22 | 2016-06-22 | 杨晓丹 | Mould device with function of protecting screw thread |
| CN111469469A (en) * | 2020-03-07 | 2020-07-31 | 温州职业技术学院 | Integral garbage compression box of multifunctional pushing and pressing device |
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| CN1565770A (en) * | 2003-07-10 | 2005-01-19 | 上海运良锻压机床有限公司 | Plunger type hydraulic screw press |
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| CN201579990U (en) * | 2009-12-22 | 2010-09-15 | 李嘉栋 | Gear drive type screw press |
| EP2295165A1 (en) * | 2009-09-15 | 2011-03-16 | Mecolpress S.p.A. | Press for simultaneously rough-pressing and finishing / embossing |
| CN102259154A (en) * | 2011-06-14 | 2011-11-30 | 劳光汉 | Forging press |
| CN202934822U (en) * | 2012-11-23 | 2013-05-15 | 上海运良锻压机床有限公司 | Cylinder-pushed-type hydraulic screw press |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CH488557A (en) * | 1968-08-29 | 1970-04-15 | Hiller & Lutz Fa | Screw press |
| CN2626646Y (en) * | 2003-07-10 | 2004-07-21 | 上海运良锻压机床有限公司 | Cylinder pushing hydraulic screw press |
| CN1565770A (en) * | 2003-07-10 | 2005-01-19 | 上海运良锻压机床有限公司 | Plunger type hydraulic screw press |
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| CN101396877A (en) * | 2008-10-19 | 2009-04-01 | 青岛宏达锻压机械有限公司 | Hydraulic pressure return type electric screw press |
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| EP2295165A1 (en) * | 2009-09-15 | 2011-03-16 | Mecolpress S.p.A. | Press for simultaneously rough-pressing and finishing / embossing |
| CN201579990U (en) * | 2009-12-22 | 2010-09-15 | 李嘉栋 | Gear drive type screw press |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414294A (en) * | 2016-01-22 | 2016-03-23 | 温州市欧起机械设备有限公司 | Threaded-type die device |
| CN105414355A (en) * | 2016-01-22 | 2016-03-23 | 温州市欧起机械设备有限公司 | Mold capable of being intelligently controlled |
| CN105414292A (en) * | 2016-01-22 | 2016-03-23 | 余苏祥 | Die manufacturing device capable of protecting thread transmission |
| CN105414352A (en) * | 2016-01-22 | 2016-03-23 | 杨晓丹 | Mold equipment with position locking block |
| CN105538764A (en) * | 2016-01-22 | 2016-05-04 | 温州市欧起机械设备有限公司 | Novel mould manufacturing device |
| CN105563865A (en) * | 2016-01-22 | 2016-05-11 | 温州市欧起机械设备有限公司 | Mould manufacturing device with screw thread protection function |
| CN105690833A (en) * | 2016-01-22 | 2016-06-22 | 杨晓丹 | Mould device with function of protecting screw thread |
| CN111469469A (en) * | 2020-03-07 | 2020-07-31 | 温州职业技术学院 | Integral garbage compression box of multifunctional pushing and pressing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102922764B (en) | 2015-01-07 |
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