CN104624691B - Energy-conservation, efficient, enclosed pressurization fuel feeding Form-bar Press Machine - Google Patents
Energy-conservation, efficient, enclosed pressurization fuel feeding Form-bar Press Machine Download PDFInfo
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- CN104624691B CN104624691B CN201510085356.4A CN201510085356A CN104624691B CN 104624691 B CN104624691 B CN 104624691B CN 201510085356 A CN201510085356 A CN 201510085356A CN 104624691 B CN104624691 B CN 104624691B
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- 239000000446 fuel Substances 0.000 title claims abstract description 30
- 238000004134 energy conservation Methods 0.000 title claims abstract description 11
- 239000003921 oil Substances 0.000 claims abstract description 142
- 239000002828 fuel tank Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000010724 circulating oil Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000010720 hydraulic oil Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 4
- 239000010727 cylinder oil Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 240000005373 Panax quinquefolius Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The present invention relates to energy-conservation, efficient, enclosed pressurization fuel feeding Form-bar Press Machine, include base, mould, ingot-containing tube, secondary cylinder, shear and oil supply system, described mould, ingot-containing tube and secondary cylinder are sequentially arranged on base；Described oil supply system includes master cylinder and the fuel reserve tank of plunger, and described extruder is short stroke extruder, and the ingot-containing tube of extruder is located at pressure ram apical position, is formed with material space when ingot-containing tube displacement and between mould；Described fuel reserve tank is divided into two oil return fuel tanks being sealing and adds compressing cylinder；Described oil return fuel tank connects with master cylinder by accessing the backflow oil circuit of master cylinder, and oil return fuel tank is connected with adding compressing cylinder by oil feed line；The described compressing cylinder that adds is provided with and acts on pressurization oil feed line fuel feeding to the piston of master cylinder, moving back and forth the in-oil cylinder oily oil extruded to master cylinder or in master cylinder of formation pressurization by piston to be back to add in compressing cylinder by circulating oil path, described oil supply system is controlled by multiple oil pump of servo motor group groups.The present invention effectively raises productivity ratio and also reduces the cost of manufacture of complete machine, has saved material, minimizing oil mass.
Description
Technical field
The invention belongs to product moulding apparatus field, be involved in a kind of Form-bar Press Machine.
Background technology
The structure of traditional extruder is complex, and cost is high, stroke length, inefficiency, and big by oil mass.
And this extruder all uses and puts open type oil tank.By assisting master cylinder to push away when plunger master cylinder zero load moves forward and backward
Dynamic, hydraulic oil passes through replenishing valve oil-feed and oil return.Being to advance by action of gravity during oil-feed, therefore hydraulic oil is long
Phase and atmosphere.During due to every task, hydraulic oil flow momentum is the biggest, it is easy to be mixed into air and dust,
And oil circuit valve and oil pump on oil way of extruding machine are more, thus, same easily suction and entrained gas, because of
This, the most open fuel tank has a strong impact on hydraulic oil using effect, and reduces the useful life of hydraulic oil,
The control mode of existing speed of extruder is that the AC induction motor of use six grades or level Four passes through variable capacity oil pump,
The stroking mechanism needing to change oil transfer pump according to extrusion speed goes to realize speed-regulating function, thus, and the defect having
It is: 1, under main frame ideal case, idle work can be produced；2, oil pump uses in work or idling conditions for a long time
Life-span can shorten；3, main frame can produce heat at standby, motor hydraulic oil when dallying, and is unfavorable for energy-saving ring
Protect, save use cost.
Summary of the invention
It is an object of the invention to, in order to solve ingot-containing tube and the working line of pressure ram when existing Form-bar Press Machine works
Cheng great, big by oil mass, and the oil circuit of oil supply system and atmosphere, affect the defects such as hydraulic oil service life,
Energy-conservation, efficient, enclosed pressurization fuel feeding Form-bar Press Machine is provided.
The purpose of the present invention can be achieved through the following technical solutions:
Energy-conservation, efficient, enclosed pressurization fuel feeding Form-bar Press Machine, include base, mould, ingot-containing tube, secondary cylinder,
Shear and oil supply system, described mould, ingot-containing tube and secondary cylinder are sequentially arranged on base；Described confession
Oil system includes master cylinder and the fuel reserve tank of plunger, and described extruder is short stroke extruder, the Sheng ingot of extruder
Cylinder is located at pressure ram apical position, and this pressure ram forms, with the extrusion chamber of ingot-containing tube, the profile extrusion merit promoted back and forth
Can, it is formed with material space when ingot-containing tube displacement and between mould；Described fuel reserve tank is divided into two to be close
Envelope oil return fuel tank and add compressing cylinder；Described oil return fuel tank connects with master cylinder by accessing the backflow oil circuit of master cylinder,
Oil return fuel tank is connected with adding compressing cylinder by oil feed line, makes backflow oil circuit, oil return fuel tank and oil feed line be formed
Master cylinder and the circulating oil path added between compressing cylinder；The described compressing cylinder that adds is provided with and acts on pressurization oil feed line and supply
The oily piston giving master cylinder, moves back and forth the in-oil cylinder oil of formation pressurization by piston and extrudes to master cylinder or in master cylinder
Oil be back to add in compressing cylinder by circulating oil path, constitute the sealed oil supply system of extruder；Described confession
Oil system is controlled by multiple oil pump of servo motor groups.
The purpose of the present invention can also be achieved through the following technical solutions:
Further, the impulse stroke distance of described ingot-containing tube is slightly over charging length；Master cylinder squeezes with secondary cylinder
The impulse stroke distance of depression bar, slightly larger than charging length, is slightly less than the impulse stroke of ingot-containing tube.
Further, described ingot-containing tube is driven by the hydraulic push rod of base both sides, makes ingot-containing tube on base
Return mobile working.
Further, described pressure ram is arranged on a mobile guide slide block, forms integral structure, and it is made
For making pressure ram can accurately enter in the extrusion chamber of ingot-containing tube.
Further, described oil return fuel tank is positioned at the top of extruder, and this oil return fuel tank and extruder are in up and down
Formula structure, this oil return fuel tank uses one or more oil pump of servo motor groups and one or more groups electromagnetic valve to control
The backflow oil circuit of extruder master cylinder；The described compressing cylinder that adds is positioned at extruder rear portion.
Further, the described compressing cylinder that adds, by single-acting its piston of extension sleeve oil cylinder pushing, is adding compressing cylinder
The pressure that interior generation is constant.
Further, master cylinder, oil return fuel tank and add and be provided with replenishing valve between compressing cylinder, described replenishing valve is three
Logical valve, the port one of this three-way valve accesses master cylinder, port two connects with the output circuit of oil return fuel tank, port three
Connecting with adding compressing cylinder internal phase, the output circuit of its oil return fuel tank is connected with adding compressing cylinder by three-way valve, shape
Become to add the oil return circulation line of compressing cylinder.
Further, described oil return fuel tank and extruder are integral type structure.
Further, the described compressing cylinder that adds is split-type structural with extruder.
Beneficial effects of the present invention:
1, the ingot-containing tube of the present invention is contained in the pressure ram front position on secondary cylinder, and described upper material space is located at mould
Between tool and ingot-containing tube, after feeding, ingot-containing tube is shifted to die location, and the squeezed depression bar of charge bar is squeezed into and is full of
In the extrusion chamber of ingot-containing tube, can complete to extrude work through mould, during return, ingot-containing tube and pressure ram only need
Returning the length slightly larger than loading rod, charge bar entirety can be put into, and thus pressure ram impulse stroke decreases three
/ mono-, the impulse stroke simultaneously reducing lost motion, i.e. conventional extruder is two section bar bar length+works
Skill surplus, the impulse stroke of extruder pressure ram of the present invention is a section bar bar length+process allowance, therefore,
The present invention effectively raises productivity ratio and also reduces the cost of manufacture of complete machine, has saved material.
2, asynchronous machine oil pump group is driven and is improved to use servo motor driven oil pump by oil supply system of the present invention
Group, at main frame what holding state or need not full flow work time, PLC can hasten to automatically control according to extruding
The working speed of every servomotor pump group or holding state, thus give full play to the effect of sealed reservoir, reduces
The flowing of work oil mass, thus decrease the heating of oil, saves energy 15%-20% than traditional control method,
Energy-saving effect is the most obvious.
3, the fuel reserve tank of the present invention is divided into two oil return fuel tanks being sealing and adds compressing cylinder, described oil return oil
Case connects with master cylinder by accessing the backflow oil circuit of master cylinder, and oil return fuel tank passes through oil feed line and adds compressing cylinder phase
Connect, make backflow oil circuit, oil return fuel tank and oil feed line form master cylinder and the sealed circulation adding between compressing cylinder
Oil circuit, the hydraulic oil constituting fuel reserve tank is sealing state, it is to avoid be mixed into dust and other impurities, keeps the clear of hydraulic oil
Cleanliness, has delayed the working life of hydraulic oil, and owing to using seal pressure delivery hydraulic pressure oil, and then make machine
Device work is fixed, reduces oil temperature, reduces hot-tempered sound.Thus solve existing oil way of extruding machine and atmosphere, impact
The problem such as quality and useful life, the effective use quality improving extruder hydraulic oil and expanded service life,
The most significantly lower hydraulic oil consumption, more than 40% can be reduced, make the working life of hydraulic oil by existing use
Life-span improves 2-3 times, reduces the cost changing oil and processing waste oil, and reduces environmental pollution, and raising hydraulic pressure is watched
Taking the service life of dynamo oil pump package, economic benefit is the most obvious.
4, the present invention add compressing cylinder be provided with act on pressurization oil feed line fuel feeding to the piston of master cylinder, pass through
Piston is moved back and forth the in-oil cylinder oily oil extruded to master cylinder or in master cylinder of formation pressurization and is returned by circulating oil path
It flow to add in compressing cylinder, constitute the oil supply system that extruder is sealed.Thus, promoted by piston and more effectively carry
The work efficiency of high hydraulic oil.
5, the present invention uses oil return fuel tank that fuel reserve tank is divided into two to be sealing and adds compressing cylinder, master cylinder hydraulic pressure
Oil promotes pressurization by adding the piston of compressing cylinder so that it is can form fuel tank little, but supplements the effect that oil mass is big, and
Pressure stability is effective, it is to avoid prior art uses deadweight to carry out fuel feeding, is thus greatly reduced the oil reserve of fuel tank,
Save production cost, reduce the overall volume of oil return fuel tank simultaneously, reduce use and take up room.
6, the present invention uses the extruding of short stroke, servomotor pump set control system and pressurization fuel tank effectively to tie
Closing, form one and have extruder energy-conservation, efficient, the hydraulic oil consumption of extruder reduces, and working life is prolonged
Long.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
With reference to energy-conservation, efficient, the enclosed pressurization fuel feeding Form-bar Press Machine shown in Fig. 1, include base 1, mould
Tool 2, ingot-containing tube 3, secondary cylinder 4, shear 7 and oil supply system 5, described mould 2, ingot-containing tube 3 and
Secondary cylinder 4 is sequentially arranged on base 1；Described oil supply system 5 includes secondary cylinder, master cylinder 5-1 and fuel reserve tank
5-2, described ingot-containing tube 3 is in pressure ram 41 apical position, and this pressure ram 41 is in the extruding of ingot-containing tube 3
Chamber promotes charge bar, produces squeeze function, is formed with material space 6 when ingot-containing tube 3 displacement and between mould 2；
Described fuel reserve tank 5-2 is divided into two oil return fuel tank 5-21 being sealing and adds compressing cylinder 5-22；Described time
Oil fuel tank 5-21 connects with master cylinder 5-1 by accessing the backflow oil circuit 5-41 of master cylinder 5-1, oil return fuel tank 5-21
Connected with adding compressing cylinder 5-22 by oil feed line 5-42, make backflow oil circuit 5-41, oil return fuel tank 5-21 and
Oil feed line 5-42 forms master cylinder 5-1 and the circulating oil path added between compressing cylinder 5-22；Described adds compressing cylinder
5-22 be provided with act on pressurization oil feed line 5-42 fuel feeding to the piston 5-221 of master cylinder 5-1, pass through piston
5-221 moves back and forth and forms the oily oil extruded to master cylinder 5-1 or in master cylinder 5-1 adding in compressing cylinder 5-22
It is back to add in compressing cylinder 5-22 by circulating oil path, constitutes the oil supply system that extruder is sealed；Described
Oil supply system 5 is controlled by multiple oil pump of servo motor groups.
In embodiment, the impulse stroke distance of described ingot-containing tube 3 is slightly over charging length；Master cylinder 5-1 and pair
The impulse stroke distance of the pressure ram 41 of cylinder 4, slightly larger than charging length, is slightly less than the impulse stroke of ingot-containing tube 3.
The i.e. impulse stroke distance of ingot-containing tube 3 is equal to the length of charging charge bar or the impulse stroke of ingot-containing tube 3 apart from bigger
In the length of charging charge bar, further, the impulse stroke distance of described ingot-containing tube 3 is long more than a section bar charge bar
The 3-20cm of degree, is easy to section bar charge bar and puts into the extrusion chamber of ingot-containing tube 3 reserving the width of upper material space 6
Inside feed；The impulse stroke distance of described master cylinder 5-1, secondary cylinder 4 and pressure ram 41 is equal to charging charge bar
Length, i.e. equal to the length of two section bar charge bars, or the impulse stroke distance of the pressure ram 41 of secondary cylinder 4 is more than
Article one, charging charge bar length, i.e. more than the 3-20cm of a section bar charge bar, exits ingot-containing tube 3 with pressure ram 51
Extrusion chamber be easy to section bar charge bar entirety and put into the extruding that the extrusion chamber of ingot-containing tube 3 feeds next time.Institute
The clipped position stating shear 7 is positioned at material space 6, is located between mould 2 and ingot-containing tube 3.Described
Ingot-containing tube 3 driven by the hydraulic push rod 31 of base 1 both sides, make ingot-containing tube 3 move back and forth on base 1
Work.The pressure ram 41 of described secondary cylinder 4 is provided with a mobile guide slide block 42, this mobile guide slide block 42
Being integral type structure with ingot-containing tube 3, mobile guide slide block 42 acts on pressure ram 41 and is exactly into ingot-containing tube
The extrusion chamber of 3.
Described oil return fuel tank 5-21 is positioned at the top of extruder 5-5, this oil return fuel tank 5-21 and extruder
5-5 is vertical type integral structure, and this oil return fuel tank 5-21 uses one or more servomotor servomotors
Oil pump group 5-6 and one or more groups electromagnetic valve 5-7 control the backflow oil circuit 5-41 of extruder master cylinder 5-1,
The described compressing cylinder 5-22 that adds is positioned at extruder 5-5 side, and this adds compressing cylinder 5-22 with extruder is split type
Structure, adding compressing cylinder 5-22 is single-action telescopic sleeve master cylinder, promotes piston 5-221 by double piston-rod
To oil feeding line 5-42 pressurization fuel feeding or pull piston 5-221 to absorb the liquid that refluxes through circulating oil path of master cylinder 5-1
Force feed.
Described master cylinder 5-1, oil return fuel tank 5-21 and add and be provided with replenishing valve 5-3 between compressing cylinder 5-22, should
Replenishing valve 5-3 is three-way valve, and port one 5-31 of this three-way valve accesses master cylinder 5-1, port two 5-32 and returns
The output circuit of oil fuel tank 5-21 connects, port three 5-33 is connected within adding compressing cylinder 5-22, its oil return
The output circuit of fuel tank 5-21 is connected with adding compressing cylinder 5-22 by three-way valve, is formed and adds compressing cylinder 5-22
Oil return circulation line.
During above-mentioned oil supply system 5 fuel feeding: by each functions of the equipments oil of multiple Serve Motor Control extruders
Cylinder, one group of driven by servomotor gear controls Telescopic oil tank 5-222, promotes piston 5-221, during promotion,
Produce a constant pressure, make to add the pressure of the compressing cylinder 5-22 constant holding 2-3bar of energy, when main system is watched
Take dynamo oil pump package and supercharging oil pump of servo motor group drives master cylinder to retreat, and the hydraulic oil overflow in telescopic oil cylinder
After keeping constant pressure, oil return is to oil return fuel tank 5-21, can keep 2-3bar all the time in making to add compressing cylinder 5-22
Pressure, the hydraulic oil of master cylinder 5-1 is back to add in compressing cylinder 5-22.
During above-mentioned extruder extrudate: the upper material space 6 first, between mould 2 and ingot-containing tube 3
Being put into by section bar charge bar, section bar charge bar is fixed by pressure ram 51 with mould 3；Secondly, start secondary cylinder 4 and add
Depression bar 41 pushes up steady charge bar, makes mobile ingot-containing tube 3 to die location place simultaneously, and just section bar charge bar is inserted in simultaneously
In the extrusion chamber of ingot-containing tube 3, now pressure ram 51 is slack, when ingot-containing tube 3 moves to die location,
Pressure ram 41 pushes charge bar, is full of the extrusion chamber of ingot-containing tube 3, the charge bar in extrusion chamber is clamp-oned mould；So
After, backstroke reset, ingot-containing tube 3 and pressure ram 41 together backstroke, ingot-containing tube 3 backstroke away from
Offing normal slightly larger than the length of section bar charge bar, this length is the width of material space 6, described upper material space 6
Width slightly larger than section bar charge bar, only need suitable mount type material bar, repeat the above steps is the most repeatable complete
Forming material extruding work.
The present invention uses one or more driven by servomotor high-pressure plunger pump group through oil path block and valve to master
Cylinder 5-1 and secondary cylinder 4 carry out fuel feeding, are examined speed and the position of master cylinder by being arranged on electronic ruler on mainframe
Surveying the section bar temperature with the infrared thermometer detection on extruder discharging opening to detect, all data are by PLC
Control oil pump of servo motor group after computing and realize constant speed and Isothermal Extrusion.
The present invention uses one or more driven by servomotor vane pump or gear pump through oil path block and valve group
Thering is provided power to shears, ingot-containing tube oil cylinder other auxiliary movements i.e., auxiliary movement completes the entrance of rear motor pump group and stops
Only holding state.
The present invention uses a driven by servomotor gear oil pump of servo motor group, through oil circuit and valve to nonoculture
With extension sleeve oil cylinder 5-222 fuel feeding, keep constant pressure in making cylinder efficient, make to add energy in compressing cylinder 22
Enough keep 2-3bar oil pressure, by being arranged on data that the pressure transducer added on compressing cylinder 22 detected through PLC
The operating rotating speed of operation control servomotor pump group or stopping, carrying out closed loop control.
Claims (4)
- The most energy-conservation, efficient, enclosed pressurization fuel feeding Form-bar Press Machine, includes base (1), mould (2), contains ingot Cylinder (3), secondary cylinder (4), shear (7) and oil supply system (5), described mould (2), ingot-containing tube (3) it is sequentially arranged on base (1) with secondary cylinder (4)；Described oil supply system (5) includes plunger Master cylinder (5-1) and fuel reserve tank (5-2), is characterized in that:Described extruder is short stroke extruder, and the ingot-containing tube (3) of extruder is located at pressure ram (41) top Position, this pressure ram (41) forms, with the extrusion chamber of ingot-containing tube (3), the profile extrusion function promoted back and forth, It is formed with upper material space (6) when ingot-containing tube (3) displacement and between mould (2)；Oil return fuel tank (5-21) that described fuel reserve tank (5-2) is divided into two to be sealing and add compressing cylinder (5-22)；Described oil return fuel tank (5-21) is by accessing the backflow oil circuit (5-41) of master cylinder (5-1) with main Cylinder (5-1) connects, and oil return fuel tank (5-21) passes through oil feed line (5-42) and adds compressing cylinder (5-22) Connect, make backflow oil circuit (5-41), oil return fuel tank (5-21) and oil feed line (5-42) form master cylinder (5-1) And the circulating oil path added between compressing cylinder (5-22)；The described compressing cylinder (5-22) that adds is provided with to act on and adds Pressure oil feed line (5-42) fuel feeding, to the piston (5-221) of master cylinder (5-1), is come by piston (5-221) Backhaul the oily oil extruded to master cylinder (5-1) or in master cylinder (5-1) that dynamic formation adds in compressing cylinder (5-22) It is back to add in compressing cylinder (5-22) by circulating oil path, constitutes the oil supply system that extruder is sealed；Described oil supply system (5) is controlled by multiple oil pump of servo motor groups (5-6).
- Energy-conservation, efficient, enclosed pressurization fuel feeding Form-bar Press Machine the most according to claim 1, is characterized in that: Described oil return fuel tank (5-21) is positioned at the top of extruder (5-5), and this oil return fuel tank (5-21) is with crowded Formula presented by press (5-5), and this oil return fuel tank (5-21) uses one or more oil pump of servo motor Group (5-6) and one or more groups electromagnetic valve (5-7) control the backflow oil circuit (5-41) of extruder master cylinder (5-1)； The described compressing cylinder (5-22) that adds is positioned at extruder (5-5) rear portion.
- Energy-conservation, efficient, enclosed pressurization fuel feeding Form-bar Press Machine the most according to claim 1, is characterized in that: The described compressing cylinder (5-22) that adds is promoted its piston (5-221) by single-acting extension sleeve oil cylinder (5-222), Constant pressure is produced within adding compressing cylinder.
- Energy-conservation, efficient, enclosed pressurization fuel feeding Form-bar Press Machine the most according to claim 1, is characterized in that: Described master cylinder (5-1), oil return fuel tank (5-21) and add and be provided with replenishing valve (5-3) between compressing cylinder (5-22), This replenishing valve (5-3) is three-way valve, and the port one (5-31) of this three-way valve accesses master cylinder (5-1), port Two (5-32) connect with the output circuit of oil return fuel tank (5-21), port three (5-33) with add compressing cylinder (5-22) Inside being connected, the output circuit of its oil return fuel tank (5-21) is connected with adding compressing cylinder (5-22) by three-way valve Connect, form the oil return circulation line adding compressing cylinder (5-22).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510085356.4A CN104624691B (en) | 2015-02-16 | 2015-02-16 | Energy-conservation, efficient, enclosed pressurization fuel feeding Form-bar Press Machine |
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| CN201510085356.4A CN104624691B (en) | 2015-02-16 | 2015-02-16 | Energy-conservation, efficient, enclosed pressurization fuel feeding Form-bar Press Machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021000428A1 (en) * | 2019-07-01 | 2021-01-07 | 梁润明 | Profile extruder with compact type closed pressurization hydraulic system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105170678A (en) * | 2015-09-23 | 2015-12-23 | 苏州华冲精密机械有限公司 | Aluminum profile extruding machine |
| CN106077120A (en) * | 2016-08-26 | 2016-11-09 | 无锡市源昌机械制造有限公司 | The extruder pressing mechanism of stable type stroke cylinder is installed |
| CN108435814B (en) * | 2017-02-16 | 2021-09-07 | 宇部兴产机械株式会社 | Extruder and method for controlling extruder |
| CN110404992A (en) * | 2019-07-01 | 2019-11-05 | 梁润明 | Enclosed pressurized hydraulic system extruder |
| CN112139271B (en) * | 2020-08-17 | 2022-08-23 | 佛山市尚丰盈铝业有限公司 | Composite aluminum profile extrusion forming equipment |
| CN112359535B (en) * | 2020-11-10 | 2021-12-10 | 东莞市晶彩纺织制衣洗水有限公司 | Textile printing and dyeing desizing waste liquid treatment equipment and recycling method thereof |
| CN112727821B (en) * | 2021-01-05 | 2023-10-27 | 中冶南方连铸技术工程有限责任公司 | Single-rod electrohydraulic direct-drive servo cylinder device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0531526A (en) * | 1991-07-30 | 1993-02-09 | Ube Ind Ltd | Method for depressurizing hydraulic oil in extrusion press |
| JPH09108728A (en) * | 1995-10-18 | 1997-04-28 | Ube Ind Ltd | Extrusion press method and apparatus |
| CN2818003Y (en) * | 2005-07-12 | 2006-09-20 | 吉林市恒利镁业有限责任公司 | Apparatus for producing small-diameter magnesium-alloy welding wire |
| CN200970598Y (en) * | 2006-11-09 | 2007-11-07 | 中信重型机械公司 | Telescopic oil pipe mechanism of horizontal extruder |
| CN204583884U (en) * | 2015-02-16 | 2015-08-26 | 梁润明 | Energy-conservation, efficient, enclosed pressurization fuel feeding Form-bar Press Machine |
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| WO2021000428A1 (en) * | 2019-07-01 | 2021-01-07 | 梁润明 | Profile extruder with compact type closed pressurization hydraulic system |
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Effective date of registration: 20180515 Address after: 528225 14 Beiyuan Middle Road, Nanhai District, Foshan City, Guangdong Province Patentee after: Foshan Nanhai Mingsheng Machine Manufacture Co., Ltd. Address before: No. 14, No. 5 lane, East Village, Huangqi bridge, Dali Town, Nanhai District, Foshan, Guangdong Patentee before: Liang Runming |