CN109732976A - The direct-connected hydraulic press of pressurized cylinder - Google Patents
The direct-connected hydraulic press of pressurized cylinder Download PDFInfo
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- CN109732976A CN109732976A CN201910064284.3A CN201910064284A CN109732976A CN 109732976 A CN109732976 A CN 109732976A CN 201910064284 A CN201910064284 A CN 201910064284A CN 109732976 A CN109732976 A CN 109732976A
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- cylinder
- pressurized cylinder
- piston
- pressurized
- movable slider
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- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 41
- 239000010720 hydraulic oil Substances 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 13
- 238000003825 pressing Methods 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000000748 compression moulding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000003856 thermoforming Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
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Abstract
The invention discloses a kind of direct-connected hydraulic press of pressurized cylinder, there are two master cylinder, the cylinder body top of each master cylinder is equipped with a pressurized cylinder, the big piston that bottom is connected with small piston is equipped in the inner cavity of pressurized cylinder for the upper beam setting of main frame；The cavity of resorption side wall of pressurized cylinder is equipped with side oil inlet, and the upper top of chamber of pressurized cylinder is equipped with upper oil inlet；It is equipped with oil hole between the bottom of pressurized cylinder and the top of master cylinder, the bottom end of master cylinder plunger piston bar is connected with movable slider, movable slider is located in the frame of four columns formation, the lower end working face of movable slider is connected with the top half of mold, and the lower half portion of mold is bolted on work top.When stroke makes the pressure moment of hydraulic oil in master cylinder rodless cavity increase to design pressure to the face area of big piston and small piston in the present invention, to pressing formation of hot crushed material, effectively reduces the power consumption of equipment itself；The volume for reducing equipment, alleviates weight, reduces costs.
Description
Technical field
The present invention relates to technical field of forging and pressing equipment, specifically a kind of direct-connected hydraulic press of pressurized cylinder.
Background technique
Wastes of iron and steel is recycled mainly to melt down on Vehicles Collected from Market and is smelted again, the method energy consumption is huge, steel
Iron melt temperature need to be smelted at 1000 DEG C or more.Thermoforming hydraulic press mainly generates mechanical processing industry waste and old light
Thin material powder makes it regain the process equipment of use value after carrying out deep processing.The waste and old frivolous material temperature after mechanical crushing
Degree is heated to 750 DEG C (if steel-making melts down heating temperature at least at 1000 DEG C or more), is poured into and utilizes into particular manufacturing craft
The multiple compression moulding of thermoforming hydraulic press.The product mechanical performance of compression moulding uses ash casting close to gray cast iron, manufacturing cost ratio
Iron reduces by 50%, it is mainly used as counterweight and its kentledge of shipbuilding industry of various elevator industries etc., with Building Trade in China
It goes from strength to strength with navigation industry market, it is increasing to the series counter weight products demand, so that domestic market is matched to this is produced
Supply falls short of demand for the process equipment of weight product.
Existing thermoforming hydraulic press needs the hydraulic cylinder of big specification, so that the volume of rack is big, accounts for increase pressure
Ground area is larger；Need hydraulic cylinder back and forth can be by material compression moulding, itself energy consumption is higher.
Summary of the invention
The object of the present invention is to provide a kind of direct-connected hydraulic presses of pressurized cylinder, can reduce pressing formation of material
The volume of oil press rack mitigates weight, reduces the energy consumption of itself to greatest extent.
To achieve the above object, the technical solution used in the present invention are as follows:
A kind of direct-connected hydraulic press of pressurized cylinder, it includes three beam four-column type main frames, and main frame includes upper beam, lower beam
And the four columns being connected between upper beam and lower beam, the top of lower beam are work top, the middle part of the upper beam
There are two mounting hole, two plunger typed master cylinders to extend through mounting hole for setting, and the cylinder base of master cylinder is fixed on by flange
The lower surface of crossbeam；A piston type pressurized cylinder is equipped at the top of the cylinder body of each master cylinder, the cylinder body bottom end of pressurized cylinder passes through bolt
It is put together on together with the cylinder body top of master cylinder, is two stepwise variable diameter cylindrical bodies in the inner cavity of pressurized cylinder, is equipped with big piston in epicoele,
The diameter of epicoele is adapted with the diameter of big piston, and the bottom of big piston is connected with small piston, the diameter of cavity of resorption and small piston
Diameter is adapted；The rodless cavity side wall of master cylinder is equipped with side oil inlet, and the upper top of chamber of pressurized cylinder is equipped with upper oil inlet；Pressurized cylinder
Bottom and master cylinder top between be equipped with oil hole, the out rodless cavity of the cavity of resorption of oil hole connection pressurized cylinder and master cylinder；It is main
The bottom end of the plunger rod of cylinder is connected by flange with the upper surface of the movable slider of rectangular shape, and movable slider is located at four
In the frame that column is formed, the lower end working face of movable slider is connected with the top half of mold, and the lower half portion of mold is logical
Bolt is crossed to be fixed on work top.
Preferably, the lower part of the small piston is loaded in the cavity of resorption of pressurized cylinder, and the bottom end side wall of small piston is equipped with close
Strip of paper used for sealing.
Preferably, the two sidewalls of the upper beam pass through bolt respectively and are connected with the cylinder body of backhaul oil cylinders, backhaul oil cylinders
Piston end be connected with the side wall of movable slider by bolt.
Preferably, the area ratio of the diameter of the big piston and small piston are as follows: 2-3:1.
Preferably, the bottom with the top of small piston of the big piston are to be threadedly coupled.
Preferably, the epicoele bottom sidewall of the pressurized cylinder is equipped with gas vent.
Preferably, four sides of the movable slider are adjoining with four columns respectively, and column becomes movable slider
Guide rail.
Preferably, the lower end working face of the movable slider is equipped with several T-slots, is equipped at the top of the top half of mold
The top half of T-type pull rod compatible with T-slot, mold is plugged in T-slot by T-type pull rod.
The operation principle of the present invention is that:
(1) the fast next stage: at the beginning of work, side oil inlet starts oil inlet, hydraulic oil by go out oil hole inject master cylinder rodless cavity and
After pressurized cylinder cavity of resorption, the plunger rod of small piston and big piston and master cylinder in pressurized cylinder is pushed to upper and lower ends respectively, in liquid
Under the action of pressure oil, master cylinder plunger piston bar drives the top half of movable slider and mold to move downward, two parts up and down of mold
After fastening, normal pressure compacting is carried out to the hot crushed material being placed in mold；During movable slider downlink, two sides backhaul oil cylinders
Piston rod extends simultaneously；
(2) be pressurized formative stage: when plunger rod is obstructed no longer movement, the upper oil inlet at the top of pressurized cylinder starts oil inlet, hydraulic
Big piston and small piston are pressed down against by oil simultaneously, since big piston is different from the diameter of small piston, are born at the top of small piston
Pressure be much larger than the pressure born of small piston bottom, small piston by pressure conduction to hydraulic oil below, under pressurized cylinder
Hydraulic oil in chamber and master cylinder rodless cavity is compressed, and the pressure moment of hydraulic oil increases to the operating pressure of design, pushes plunger
Bar continues traveling downwardly, and movable slider continues the compression moulding that presses to hot crushed material；
(3) the backhaul stage: after material forming, the first pressure release since upper oil inlet, the big small piston of pressurized cylinder is returned to just
Beginning position；The piston rod of backhaul oil cylinders starts to bounce back, and the plunger rod of movable slider and master cylinder is up-shifted to initial position, together
When master cylinder rodless cavity and pressurized cylinder epicoele in hydraulic oil flow back to hydraulic station.
The invention has the benefit that
(1) pressurized cylinder is arranged at the top of master cylinder in the present invention, is provided with big piston and small piston in pressurized cylinder inner cavity, big piston and
When stroke determines the pressure of hydraulic oil in master cylinder rodless cavity to the face area of small piston, can make hydraulic in master cylinder rodless cavity
The pressure moment of oil increases to design pressure, to pressing formation of hot crushed material, effectively reduces the power consumption of equipment itself；
(2) mode that the present invention is pressurized using pressurized cylinder, the plunger shank diameter of master cylinder only need half when normal pressures, reduce
The volume of equipment, alleviates weight, reduces costs；
(3) present invention gas vent is set in the epicoele bottom sidewall of pressurized cylinder, can by the epicoele of big piston subjacent into
The excessive fuel consumption entered excludes in time, and in big piston and small piston motion process, filled with air in this section of cavity, it is negative to avoid the formation of vacuum
Pressure condition, will be in the hydraulic oil sucking pressurized cylinder epicoele in master cylinder rodless cavity；
(4) design that can carry out corresponding big piston and small piston face area according to the needs of users, reduces ancillary equipment
Configuration and energy loss.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is side view of the invention in Fig. 1；
Fig. 3 is the connection structure cross-sectional view of pressurized cylinder and master cylinder in Fig. 2；
In figure: 1, master cylinder, 2, upper beam, 3, backhaul oil cylinders, 4, column, 5, movable slider, 6, mold, 7, work top, 8, under
Crossbeam, 9, plunger rod, 10, pressurized cylinder, 11, big piston, 12, small piston, 13, side oil inlet, 14, go out oil hole, 15, upper oil inlet
Mouthful, 16, air inlet, 17, T-slot.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawing.
The direct-connected hydraulic press of a kind of pressurized cylinder as shown in Figure 1 to Figure 3, it includes three beam four-column type main frames, host
Rack includes upper beam 2, lower beam 8 and the four columns 4 being connected between upper beam 2 and lower beam 8, the top of lower beam 8
For work top 7, there are two mounting hole, two plunger typed master cylinders 1 extend through mounting hole, master cylinder 1 for the middle part setting of upper beam 2
Cylinder base the lower surface of upper beam 2 is fixed on by flange；A piston type pressurization is equipped at the top of the cylinder body of each master cylinder 1
The cylinder body bottom end of cylinder 10, pressurized cylinder 10 is put together on together by the cylinder body top of bolt and master cylinder 1, is in the inner cavity of pressurized cylinder 10
Two stepwise variable diameter cylindrical bodies are equipped with big piston 11 in epicoele, and the diameter of epicoele is adapted with the diameter of big piston 11, big piston 11
Bottom be connected with small piston 12, the diameter of cavity of resorption is adapted with the diameter of small piston 12；It is set on the rodless cavity side wall of master cylinder 10
There is side oil inlet 13, the upper top of chamber of pressurized cylinder 10 is equipped with upper oil inlet 15；Between the bottom of pressurized cylinder 10 and the top of master cylinder 1
Equipped with oil hole 14 out, the rodless cavity of the cavity of resorption of 14 connection pressurized cylinder 10 of oil hole and master cylinder 1 out；The bottom of the plunger rod 9 of master cylinder 1
End is connected by flange with the upper surface of the movable slider 5 of rectangular shape, and movable slider 5 is located at the formation of four columns 4
In frame, the lower end working face of movable slider 5 is connected with the top half of mold 6, and the lower half portion of mold 6 is solid by bolt
It is scheduled on work top 7.
The lower part of small piston 12 is loaded in the cavity of resorption of pressurized cylinder 10, and the bottom end side wall of small piston 12 is equipped with sealing strip.
The two sidewalls of upper beam 3 pass through bolt respectively and are connected with the cylinder body of backhaul oil cylinders 3, the piston end of backhaul oil cylinders 3
It is connected with the side wall of movable slider 5 by bolt.
The diameter of big piston 11 and the diameter ratio of small piston 12 are as follows: 2-3:1.The bottom of big piston 11 is upper with small piston 12
Portion is to be threadedly coupled.
The epicoele bottom sidewall of pressurized cylinder 10 is equipped with gas vent 16.
Four sides of movable slider 5 are adjoining with four columns 4 respectively, and column 4 becomes the guided way of movable slider 5
Road.
The lower end working face of movable slider 5 is equipped with several T-slots 17, and the top half top of mold 6 is equipped with and T-slot
17 compatible T-type pull rods, the top half of mold 6 are plugged in T-slot 17 by T-type pull rod.
The operation principle of the present invention is that:
(1) the fast next stage: at the beginning of work, side oil inlet 13 starts oil inlet, and hydraulic oil injects master cylinder 1 without bar by going out oil hole 14
After 10 cavity of resorption of chamber and pressurized cylinder, by the plunger rod 9 of small piston 12 and big piston 11 and master cylinder 1 in pressurized cylinder 10 respectively to upper and lower
Both ends are pushed, and under the action of hydraulic oil, 1 plunger rod 9 of master cylinder drives the top half of movable slider 5 and mold 6 to move downward,
After two parts up and down of mold 6 fasten, normal pressure compacting is carried out to the hot crushed material being placed in mold 6；5 downlink mistake of movable slider
The piston rod of Cheng Zhong, two sides backhaul oil cylinders 3 extend simultaneously；
(2) be pressurized formative stage: when plunger rod 9 is obstructed no longer movement, the upper oil inlet 15 at 10 top of pressurized cylinder starts oil inlet,
Big piston 11 and small piston 12 are pressed down against by hydraulic oil simultaneously, since big piston 11 is different from the diameter of small piston 12, small work
The pressure that 12 top of plug is born is much larger than the pressure that 12 bottom of small piston is born, and small piston 12 is by pressure conduction to below
Hydraulic oil, the hydraulic oil in 1 rodless cavity of 10 cavity of resorption of pressurized cylinder and master cylinder compressed, and the pressure moment of hydraulic oil increases to design
Operating pressure, push plunger rod 9 continue traveling downwardly, 5 pairs of hot crushed materials of movable slider continue press compression moulding；
(3) the backhaul stage: after material forming, the upper no longer oil inlet of oil inlet 15；The piston rod of backhaul oil cylinders 3 starts to bounce back, will
The plunger rod 9 of movable slider 5 and master cylinder 1 is up-shifted to initial position, while in 10 epicoele of 1 rodless cavity of master cylinder and pressurized cylinder
Hydraulic oil flows back to hydraulic station.
Pressurized cylinder is arranged at the top of master cylinder in the present invention, is provided with big piston and small piston, big piston in pressurized cylinder inner cavity
When stroke determines the pressure of hydraulic oil in master cylinder rodless cavity with the face area of small piston, can make liquid in master cylinder rodless cavity
The pressure moment of pressure oil increases to design pressure, to pressing formation of hot crushed material, effectively reduces the power consumption of equipment itself；
The mode being pressurized using pressurized cylinder, the plunger shank diameter of master cylinder are only needed half when normal pressures, reduce the volume of equipment,
Weight is alleviated, is reduced costs.
Claims (8)
1. a kind of direct-connected hydraulic press of pressurized cylinder, it includes three beam four-column type main frames, main frame include upper beam (2),
Lower beam (8) and the four columns (4) being connected between upper beam (2) and lower beam (8), the top of lower beam (8) are work
Table top (7), it is characterised in that: there are two mounting holes for the middle part setting of the upper beam (2), and two plunger typed master cylinders (1) are respectively
The cylinder base of penetrating mounting holes, master cylinder (1) is fixed on the lower surface of upper beam (2) by flange；The cylinder body of each master cylinder (1)
Top is equipped with a piston type pressurized cylinder (10), and the cylinder body bottom end of pressurized cylinder (10) passes through the cylinder body top of bolt and master cylinder (1)
Put together on together, be two stepwise variable diameter cylindrical bodies in the inner cavity of pressurized cylinder (10), be equipped with big piston (11) in epicoele, epicoele it is straight
Diameter is adapted with the diameter of big piston (11), and the bottom of big piston (11) is connected with small piston (12), the diameter of cavity of resorption and small work
The diameter of plug (12) is adapted；The rodless cavity side wall of master cylinder (1) is equipped with side oil inlet (13), the upper top of chamber of pressurized cylinder (10)
Equipped with upper oil inlet (15)；It is equipped with oil hole (14) between the bottom of pressurized cylinder (10) and the top of master cylinder (1), out oil hole
(14) rodless cavity of the cavity of resorption of connection pressurized cylinder (10) and master cylinder (1)；The bottom end of the plunger rod (9) of master cylinder (1) by flange with
The upper surface of the movable slider (5) of rectangular shape is connected, and movable slider (5) is located in the frame of four columns (4) formation,
The lower end working face of movable slider (5) is connected with the top half of mold (6), and the lower half portion of mold (6) is solid by bolt
It is scheduled on work top (7).
2. the direct-connected hydraulic press of pressurized cylinder according to claim 1, it is characterised in that:
The lower part of the small piston (12) is loaded in the cavity of resorption of pressurized cylinder (10), and the bottom end side wall of small piston (12) is equipped with close
Strip of paper used for sealing.
3. the direct-connected hydraulic press of pressurized cylinder according to claim 1 or 2, it is characterised in that: the two sides of the upper beam (3)
Wall passes through bolt respectively and is connected with the cylinder body of backhaul oil cylinders (3), the piston end of backhaul oil cylinders (3) and the side of movable slider (5)
Wall is connected by bolt.
4. the direct-connected hydraulic press of pressurized cylinder according to claim 3, it is characterised in that: the diameter of the big piston (11) with
The area ratio of small piston (12) are as follows: 2-3:1.
5. the direct-connected hydraulic press of pressurized cylinder according to claim 4, it is characterised in that: the bottom of the big piston (11) with
The top of small piston (12) is to be threadedly coupled.
6. the direct-connected hydraulic press of pressurized cylinder according to claim 5, it is characterised in that: the upper bottom of chamber of the pressurized cylinder (10)
Portion's side wall is equipped with gas vent (16).
7. the direct-connected hydraulic press of pressurized cylinder according to claim 6, it is characterised in that: four of the movable slider (5)
Side is adjoining with four columns (4) respectively, and column (4) becomes the guide rail of movable slider (5).
8. the direct-connected hydraulic press of pressurized cylinder according to claim 7, it is characterised in that: the lower end of the movable slider (5)
Working face is equipped with several T-slots (17), and the compatible T-type drawing with T-slot (17) is equipped at the top of the top half of mold (6)
The top half of bar, mold (6) is plugged in T-slot (17) by T-type pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910064284.3A CN109732976A (en) | 2019-01-23 | 2019-01-23 | The direct-connected hydraulic press of pressurized cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910064284.3A CN109732976A (en) | 2019-01-23 | 2019-01-23 | The direct-connected hydraulic press of pressurized cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109732976A true CN109732976A (en) | 2019-05-10 |
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ID=66365827
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910064284.3A Pending CN109732976A (en) | 2019-01-23 | 2019-01-23 | The direct-connected hydraulic press of pressurized cylinder |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117021645A (en) * | 2023-08-17 | 2023-11-10 | 辽宁艺朦织旺地毯有限公司 | Pressurizing structure in automatic carpet production line |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973136A (en) * | 2010-10-11 | 2011-02-16 | 哈尔滨工业大学 | Cylinder beam integrated hydraulic press |
| CN202573025U (en) * | 2011-12-09 | 2012-12-05 | 张培洲 | Ultrahigh-pressure multifunctional ten-thousand-tonnage press |
| CN203792742U (en) * | 2014-01-22 | 2014-08-27 | 江阴市冶金液压机械厂 | Supercharging device for hydraulic scrap cake machine |
| CN105082593A (en) * | 2015-09-07 | 2015-11-25 | 一重集团大连设计研究院有限公司 | Mechanical multi-connecting-rod servo press driven through hydraulic cylinder |
| CN205075377U (en) * | 2015-10-14 | 2016-03-09 | 杭州金宇电子有限公司 | Energy -conserving efficient forming press |
| CN210257376U (en) * | 2019-01-23 | 2020-04-07 | 兰州兰石重工有限公司 | Direct-connected oil press with pressure cylinder |
-
2019
- 2019-01-23 CN CN201910064284.3A patent/CN109732976A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973136A (en) * | 2010-10-11 | 2011-02-16 | 哈尔滨工业大学 | Cylinder beam integrated hydraulic press |
| CN202573025U (en) * | 2011-12-09 | 2012-12-05 | 张培洲 | Ultrahigh-pressure multifunctional ten-thousand-tonnage press |
| CN203792742U (en) * | 2014-01-22 | 2014-08-27 | 江阴市冶金液压机械厂 | Supercharging device for hydraulic scrap cake machine |
| CN105082593A (en) * | 2015-09-07 | 2015-11-25 | 一重集团大连设计研究院有限公司 | Mechanical multi-connecting-rod servo press driven through hydraulic cylinder |
| CN205075377U (en) * | 2015-10-14 | 2016-03-09 | 杭州金宇电子有限公司 | Energy -conserving efficient forming press |
| CN210257376U (en) * | 2019-01-23 | 2020-04-07 | 兰州兰石重工有限公司 | Direct-connected oil press with pressure cylinder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117021645A (en) * | 2023-08-17 | 2023-11-10 | 辽宁艺朦织旺地毯有限公司 | Pressurizing structure in automatic carpet production line |
| CN117021645B (en) * | 2023-08-17 | 2024-02-02 | 辽宁艺朦织旺地毯有限公司 | Pressurizing structure in automatic carpet production line |
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