CN103552275A - Same-cavity double-ejection hydraulic press - Google Patents
Same-cavity double-ejection hydraulic press Download PDFInfo
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- CN103552275A CN103552275A CN201310545299.4A CN201310545299A CN103552275A CN 103552275 A CN103552275 A CN 103552275A CN 201310545299 A CN201310545299 A CN 201310545299A CN 103552275 A CN103552275 A CN 103552275A
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- storehouse
- topping
- hydraulic press
- valve
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Abstract
The invention relates to a hydraulic press, in particular relates to a double-ejection hydraulic press. The invention aims to provide a same-cavity double-ejection hydraulic press, which can simultaneously control two ejection cylinders in the same cavity in the same set of hydraulic control system. The two ejection cylinders can be controlled to move up and down in the same hydraulic cavity. With the technical scheme, when one cylinder is lifted, the other cylinder is lifted in reverse direction by balance force under the action of same force. Such structure is separately realized, and meanwhile, liquid filling holes are also added, so that the same-direction and same-lifting movement of double cylinders can be realized.
Description
Technical field
The present invention relates to a kind of hydraulic press, specially refer to a kind of hydraulic press of Double Tops.
Background technology
Hydraulic jack is suitable general the mechanically use of today, a lot of in particular cases all will using; Hydraulic cylinder by hydraulic energy change mechanical energy into, the do straight reciprocating motion hydraulic actuator of (or oscillating motion).Its simple in structure, reliable operation.While realizing reciprocating motion with it, can remove deceleration device from, and there is no drive gap, motion steadily, is therefore used widely in the hydraulic system of various machineries.The pressure reduction on hydraulic cylinder power output and piston effective area and both sides thereof is directly proportional; Hydraulic cylinder is comprised of cylinder barrel and cylinder cap, piston and piston rod, sealing device, buffer unit and exhaust apparatus substantially.In reality is used, there is a kind of situation, need to go to control two by same set of hydraulic system and take blame for others.
Summary of the invention
Goal of the invention of the present invention is: a kind of same chamber Double Tops hydraulic press is provided, and it can, in same set of hydraulic control system, complete controlling in satisfactory to both parties taking blame for others in same cavity.
For completing foregoing invention object, the present invention is achieved in that a kind of same chamber Double Tops hydraulic press, it is characterized in that: on the cavity being communicated with, be provided with two push rods, be provided with balance pipe in the middle of cavity, described two cavitys that separated by balance pipe are independently controlled separately; Be respectively equipped with two fuel feed holes and two-way oil outlet, two independently cavity be respectively equipped with a topping up hole; Described topping up hole is connected to independently topping up control part, and topping up control section is connected to the trunk pipeline of hydraulic circuit; On the in-line of two bodies and fuel-displaced pipeline, be respectively equipped with a balance oil circuit part.The present invention realizes in same hydraulic cavities and realizing two controls up and down of taking blame for others, and from technique scheme, can complete, and when lifting on a cylinder, another cylinder body is realized lifting on oppositely of equilibrant force in the effect of same power.When realizing separately this spline structure, we also increase topping up hole, can realize twin-tub in the same way with lifting motion.
Above-mentioned technical scheme is improved further, and described topping up control section is controlled two-way charging line; Two described flow liquid pipelines are cascaded and are controlled by a separatory flow valve.At topping up control section, be provided with two storages and press storehouse, two storages are pressed between storehouse and are provided with solenoid directional control valve, and solenoid directional control valve one tunnel connects storage and presses storehouse, by storage, presses storehouse to be out connected to afterwards implementation of port, and another road takes back road.
Hydraulic oil by main pipeline out after, be divided into two-way ，Yi road and connect topping up control section, another road connects balance portion; On entering, before oil circuit balance portion and lower oil way balance part, two parts access respectively an independently storage pressure storehouse, two storages, press on storehouses and are incorporated to respectively a solenoid directional control valve, and two electromagnetic switch Hou Yi roads are interconnected, and another road takes back road.
Described lower balance oil circuit is to consist of two-way oil circuit, and the first via connects reversal valve through bunker, and reversal valve one tunnel connects ground connection after two return tanks, and another road of reversal valve directly takes back ground; The second tunnel connects reversal valve after bunker again, reversal valve one tunnel ground connection, and another road takes back working connection.
Described upper balance portion is that access increases part after storehouse is pressed in a storage; A pressure detecting table of access in parallel before storehouse is pressed in access storage.
Described upper balance portion and lower balance portion accessed one before cut-in pressure cylinder increases oil circuit, and described increase oil circuit is to seal in a storage to press storehouse, in storage, presses the two ends in storehouse to be incorporated to a valve and individual magnetic valve one by one; Magnetic valve Yi road takes back main line, another road ground connection.
The present invention, in same cavity, completes the flexible of two kinds different directions; And two to pressure keep one to, and in needs, jack-up and with entering to shrink when can realize two tops, more flexible than general hydraulic means.
Accompanying drawing explanation
Fig. 1 is hydraulic schematic diagram of the present invention.
The specific embodiment
For the advantage of further description invention, below in conjunction with accompanying drawing, do the explanation of carrying out more in detail.
As shown in the figure, a kind of same chamber Double Tops hydraulic press is provided with two push rods 13,14 on the cavity 12 being communicated with, and is provided with balance pipe in the middle of cavity 12, and described two cavitys that separated by balance pipe are independently controlled separately; Be respectively equipped with two fuel feed holes and two-way oil outlet, two independently cavity be respectively equipped with a topping up hole; Described topping up hole is connected to independently topping up control part 11, and topping up control section is connected to the trunk pipeline of hydraulic circuit; On the in-line of two bodies and fuel-displaced pipeline, be respectively equipped with a balance oil circuit part 3,4.
This balance oil circuit is partly for being divided into two-way; before upper oil circuit balance portion 3 and lower oil way balance part 4, two parts access respectively an independently storage pressure storehouse 1, two storages, press on storehouses and are incorporated to respectively a solenoid directional control valve; two electromagnetic switch Hou Yi roads are interconnected, and another road takes back road; Lower balance oil circuit 4 is to consist of two-way oil circuit, and the first via connects reversal valve 21 through bunker, and reversal valve one tunnel connects ground connection after two return tanks, and another road of reversal valve directly takes back ground; The second tunnel 23 connects reversal valve 22 again after bunker, reversal valve one tunnel ground connection, and another road takes back working connection.Described upper balance portion is that access increases part 5,6 after storehouse is pressed in a storage; A pressure detecting table 3 of access in parallel before storehouse is pressed in access storage.Lower balance portion accessed one before cut-in pressure cylinder increases oil circuit 8,7, and described increase oil circuit is to seal in a storage to press storehouse, in storage, presses the two ends in storehouse to be incorporated to a valve and a magnetic valve; Magnetic valve Yi road takes back main line, another road ground connection.So just, formed the oil circuit of a upper and lower balance, must control the balance on upper and lower four road binders roads in this process, after equilibrium process, at back segment, setting corresponding pressure increases or step-down, thereby realize two cylinders, presses equilibrium of forces.
For topping up hole, his effect is, be combined with original upper balanced controls or lower balanced controls, and two motions in the same way of changing, concrete function mode is such: described topping up control section is controlled two-way charging line; Two described flow liquid pipelines are cascaded and are controlled by a separatory flow valve.At topping up control section 11, be provided with between storage pressure storehouse, 9, two, two storage pressure storehouses and be provided with solenoid directional control valve, solenoid directional control valve one tunnel connects storage pressure storehouse, by storage pressure storehouse, is out connected to afterwards implementation of port, and another road takes back road.In operation, Double Tops cylinder is after receiving the order of while jack-up, and topping up control section starts topping up, and coordinates upper balance oil circuit part, completes topping up, at this moment, and two common jack-up of taking blame for others.
Claims (7)
1. with a chamber Double Tops hydraulic press, it is characterized in that: on the cavity being communicated with, be provided with two push rods, be provided with balance pipe in the middle of cavity, described two cavitys that separated by balance pipe are independently controlled separately; Be respectively equipped with two fuel feed holes and two-way oil outlet, two independently cavity be respectively equipped with a topping up hole; Described topping up hole is connected to independently topping up control part, and topping up control section is connected to the trunk pipeline of hydraulic circuit; On the in-line of two bodies and fuel-displaced pipeline, be respectively equipped with a balance oil circuit part.
2. a kind of same chamber according to claim 1 Double Tops hydraulic press, is characterized in that: described topping up control section is controlled two-way charging line; Two described flow liquid pipelines are cascaded and are controlled by a separatory flow valve.
3. a kind of same chamber according to claim 2 Double Tops hydraulic press, it is characterized in that: at topping up control section, be provided with two storages and press storehouse, two storages are pressed between storehouse and are provided with solenoid directional control valve, solenoid directional control valve one tunnel connects storage and presses storehouse, by storage, press storehouse to be out connected to afterwards implementation of port, another road takes back road.
4. a kind of same chamber according to claim 1 Double Tops hydraulic press, is characterized in that: hydraulic oil by main pipeline out after, be divided into two-way ，Yi road and connect topping up control section, another road connects balance portion; On entering, before oil circuit balance portion and lower oil way balance part, two parts access respectively an independently storage pressure storehouse, two storages, press on storehouses and are incorporated to respectively a solenoid directional control valve, and two electromagnetic switch Hou Yi roads are interconnected, and another road takes back road.
5. a kind of same chamber according to claim 4 Double Tops hydraulic press, it is characterized in that: described lower balance oil circuit is to consist of two-way oil circuit, the first via connects reversal valve through bunker, and reversal valve one tunnel connects ground connection after two return tanks, and another road of reversal valve directly takes back ground; The second tunnel connects reversal valve after bunker again, reversal valve one tunnel ground connection, and another road takes back working connection.
6. a kind of same chamber according to claim 4 Double Tops hydraulic press, is characterized in that: described upper balance portion is that access increases part after storehouse is pressed in a storage; A pressure detecting table of access in parallel before storehouse is pressed in access storage.
7. a kind of same chamber according to claim 4 Double Tops hydraulic press, it is characterized in that: described upper balance portion and lower balance portion accessed one before cut-in pressure cylinder increases oil circuit, described increase oil circuit is to seal in a storage to press storehouse, in storage, presses the two ends in storehouse to be incorporated to a valve and individual magnetic valve one by one; Magnetic valve Yi road takes back main line, another road ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310545299.4A CN103552275A (en) | 2013-11-07 | 2013-11-07 | Same-cavity double-ejection hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310545299.4A CN103552275A (en) | 2013-11-07 | 2013-11-07 | Same-cavity double-ejection hydraulic press |
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| Publication Number | Publication Date |
|---|---|
| CN103552275A true CN103552275A (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310545299.4A Pending CN103552275A (en) | 2013-11-07 | 2013-11-07 | Same-cavity double-ejection hydraulic press |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869378A (en) * | 2019-04-02 | 2019-06-11 | 南通康海机床有限公司 | A kind of same-cavity double-ejection hydraulic press |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5295383A (en) * | 1991-09-04 | 1994-03-22 | Toyota Jidosha Kabushiki Kaisha | Hydraulic cushioning system for press, having shut-off valve for disconnection of pressure-pin cylinders from power supply upon contact of movable die with workpiece |
| CN101391491A (en) * | 2008-10-17 | 2009-03-25 | 合肥锻压机床有限公司 | Slow descending device for slider of hydraulic press |
| CN102166832A (en) * | 2011-01-17 | 2011-08-31 | 合肥合锻机床股份有限公司 | Energy-saving and consumption-reducing hydraulic system with multistage pressure control for large hydraulic machine |
| CN102205663A (en) * | 2011-03-14 | 2011-10-05 | 南通锻压设备股份有限公司 | Numerically-controlled multi-point side-pressing frame hydraulic machine |
| CN102612415A (en) * | 2009-09-29 | 2012-07-25 | 沃依特专利有限责任公司 | Device and method for the cutting shock damping of work machines |
| CN203611495U (en) * | 2013-11-07 | 2014-05-28 | 南通皋液液压机有限公司 | Same-cavity dual-ejector hydraulic machine |
-
2013
- 2013-11-07 CN CN201310545299.4A patent/CN103552275A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5295383A (en) * | 1991-09-04 | 1994-03-22 | Toyota Jidosha Kabushiki Kaisha | Hydraulic cushioning system for press, having shut-off valve for disconnection of pressure-pin cylinders from power supply upon contact of movable die with workpiece |
| CN101391491A (en) * | 2008-10-17 | 2009-03-25 | 合肥锻压机床有限公司 | Slow descending device for slider of hydraulic press |
| CN102612415A (en) * | 2009-09-29 | 2012-07-25 | 沃依特专利有限责任公司 | Device and method for the cutting shock damping of work machines |
| CN102166832A (en) * | 2011-01-17 | 2011-08-31 | 合肥合锻机床股份有限公司 | Energy-saving and consumption-reducing hydraulic system with multistage pressure control for large hydraulic machine |
| CN102205663A (en) * | 2011-03-14 | 2011-10-05 | 南通锻压设备股份有限公司 | Numerically-controlled multi-point side-pressing frame hydraulic machine |
| CN203611495U (en) * | 2013-11-07 | 2014-05-28 | 南通皋液液压机有限公司 | Same-cavity dual-ejector hydraulic machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869378A (en) * | 2019-04-02 | 2019-06-11 | 南通康海机床有限公司 | A kind of same-cavity double-ejection hydraulic press |
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Application publication date: 20140205 |