CN110404992A - Enclosed pressurized hydraulic system extruder - Google Patents
Enclosed pressurized hydraulic system extruder Download PDFInfo
- Publication number
- CN110404992A CN110404992A CN201910585347.XA CN201910585347A CN110404992A CN 110404992 A CN110404992 A CN 110404992A CN 201910585347 A CN201910585347 A CN 201910585347A CN 110404992 A CN110404992 A CN 110404992A
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- China
- Prior art keywords
- oil
- cylinder
- hydraulic
- extruder
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/007—Hydrostatic extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/21—Presses specially adapted for extruding metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/21—Presses specially adapted for extruding metal
- B21C23/211—Press driving devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention relates to enclosed pressurized hydraulic system extruders, including crimping section, fuel feeding part and the main electric cabinet on firm banking and firm banking, the fuel feeding part includes pressurization oil cylinder, oil circuit board, cooling body, motor pump group, hydraulic circuit and prefill valve；The hydraulic circuit includes oil pump suction tube, petroleum pipeline one, petroleum pipeline two, working tubing one, working tubing two and oil return pipe；The prefill valve is located on master cylinder, which is separately connected oil return pipe and oil storage cylinder barrel；Hydraulic oil dosage is few when the present invention uses, and hydraulic fluid temperature can be effectively controlled when work, and then effectively extends the service life of hydraulic oil, thus also saves the use cost of equipment.
Description
Technical field
The invention belongs to field of profile forming apparatus, it is related in a kind of Form-bar Press Machine.
Background technique
Traditional extruder is by mold, ingot-containing tube, master cylinder, the secondary cylinder, pressure ram, oil storage on firm banking and firm banking
The components such as case, oil feed line and main electric cabinet composition, there are following technical problems for the extruder of structure: 1, the oil in hydraulic system
Case is placed in above extruder, and oil reserve is 3-4 times or more of work oil mass, and thus hydraulic oil dosage is big, input cost is high；2, it passes
The cooling of hydraulic oil when the extruder of system uses needs cooling oil pump, plate heat exchanger and cooling water pump, cooling tower to carry out hot friendship
It changes, this is secondary heat exchange, so electricity consumption is higher, water loss is more；3, hydraulic reservoir is open architecture, and hydraulic oil holds
Vulnerable to pollution causes service life short, and it is high to increase use cost；4, the extruder of open type oil tank is when fast forwarding through and retreating,
There is biggish flow to generate between master cylinder and fuel tank, the hydraulic oil of big flow high flow rate generates turbulent flow, hydraulic oil in flowing
In will appear entrainment air formed foam, to hydraulic system generate unfavorable factor.
Summary of the invention
The object of the present invention is in order to solve existing Form-bar Press Machine there are above-mentioned technical problem, using enclosed plus
Hydraulic system is pressed, needs large capacity open type oil tank instead of present extruder, need to only configure one and extruder operating cylinder
Oil storage that capacity matches is pressurizeed oil cylinder, and hydraulic oil dosage is small when use, is thoroughly completely cut off environmental contaminants, is increased equipment fortune
Turn the time, saves equipment use cost.
The purpose of the present invention can be achieved through the following technical solutions:
Enclosed pressurized hydraulic system extruder, including on firm banking and firm banking crimping section, fuel feeding part and
Main electric cabinet, the crimping section include pressure ram, extrusion oil cylinder, ingot-containing tube and die holder, and the extrusion oil cylinder includes main oil
Cylinder, secondary cylinder contain ingot cylinder, scissors cylinder and each operating cylinder of die holder cylinder, the fuel feeding part include pressurization oil cylinder, oil circuit board,
Cooling body, motor pump group, hydraulic circuit and prefill valve；
The pressurization oil cylinder is made of oil storage cylinder barrel and pressurized cylinder, and the pressurized cylinder is by hydraulic oil or compressed air-driven, storage
Pressurizing piston is equipped in cylinder tube, the pressurized cylinder pushes pressurizing piston to add the hydraulic oil in oil storage cylinder barrel by piston rod
Pressure；The total measurement (volume) of volume and each oil cylinder of extruder in the oil storage cylinder barrel matches；
The oil circuit board is the control assembly of each operating cylinder of extruder；
The cooling body is for cooling down hydraulic oil；
Hydraulic oil high-pressure system pressure is generated when the motor pump group works for extruder；
The hydraulic circuit includes oil pump suction tube, petroleum pipeline one, petroleum pipeline two, working tubing one, two and of working tubing
Oil return pipe；The oil pump suction tube is cooling body to the oil circuit between motor pump group；The petroleum pipeline one is oil storage cylinder barrel
To the oil circuit between cooling body；The petroleum pipeline two is oil storage cylinder barrel by communicating oil between prefill valve and master cylinder
Road；The working tubing one is motor pump group to the oil circuit between oil circuit board；The working tubing two be oil circuit board to squeeze
Oil circuit between each operating cylinder of press；The oil return pipe is oil circuit board to the oil circuit between oil storage cylinder barrel；
The prefill valve is located on master cylinder, which is separately connected oil return pipe and oil storage cylinder barrel；
The hydraulic circuit generates high-pressure system pressure by oil pump suction tube fuel feeding, by motor pump group, by working tubing one
It is connect with oil circuit board, each work of the distribution high pressure liquid pressure oil via working tubing two to extruder is controlled by hydraulic valve through oil circuit board
Oil cylinder provides power, and the hydraulic oil returned from each operating cylinder of extruder flows into oil return pipe through oil circuit board, through prefill valve, petroleum pipeline
Two are connected with oil storage cylinder barrel；Hydraulic oil in liquid storage cylinder barrel is transported to cooling body by petroleum pipeline one, and hydraulic oil is through cooler
Motor pump group is supplied by oil pump suction tube after structure is cooling, forms sealed pressurized hydraulic circuit.
The purpose of the present invention can also be achieved through the following technical solutions:
Further, the cooling tube is several pipelines composition being arranged in cooler bin, and cooling tube is back and forth
Detour structure, to increase heat exchange area.
Further, the cooler bin is equipped with air inlet and air outlet.
Further, the air inlet is located between cooling tube and catch basin at position, and air outlet is located at the upper of cooler bin
Side.
Further, the air outlet is equipped with exhaust blower.
Further, temperature sensor is equipped in the oil return pipe, the output signal route of the temperature sensor is connected to
Exhaust blower or/and water circulating pump control route.
Further, the motor pump group is made of one or more motors and high-pressure oil pump.
Beneficial effects of the present invention:
1, for the present invention due to using cooling body, which includes cooler bin, cooling tube, catch basin, spray tube
And water circulating pump, the high temperature hydraulic oil cooling that can be quickly formed when acting avoid the prior art from needing opening for large capacity as a result,
The hydraulic system of formula fuel tank only needs oil storage to pressurize oil cylinder, and hydraulic oil dosage is few when use, uses for existing extruder
The 1/3 of oil mass, and hydraulic fluid temperature can be effectively controlled when work, and then effectively extend the service life of hydraulic oil, thus
Also save the use cost of equipment.
2, cooler bin of the invention is equipped with air inlet and air outlet, and the air outlet is equipped with exhaust blower, as a result, effectively
It quickly is rapidly cooled cooling to by the work reflux high temperature hydraulic oil in cooling tube, the more preferable use for guaranteeing hydraulic oil
Temperature guarantees the runnability of extruder, is further reduced hydraulic-oil quantity.
3, the hydraulic system of fuel feeding part of the invention is closed fuel feeding, is thus effectively prevented from hydraulic oil and is easy to get dirty
Dye preferably guarantees the stability of extruder.Specifically, the sealed hydraulic system avoids being mixed into dust and other impurities, protect
The cleannes for holding hydraulic oil have delayed the working life of hydraulic oil, and due to using sealed pressure to convey hydraulic oil, high pressure oil
Cavitation erosion will not be generated when pumping oil suction, and then stablizes machine operation, oil temperature is reduced, reduces hot-tempered sound.Thus existing extruder is solved
The problems such as hydraulic oil is contacted with atmosphere, influences hydraulic oil quality and service life, the effective use for improving extruder hydraulic oil
Quality and expanded service life, while lowering hydraulic oil dosage significantly, mention the working life of hydraulic oil by existing service life
It is 2-3 times high, the cost for changing oil and handling waste oil is reduced, and reduce environmental pollution, and improve the use longevity of hydraulic servo oil pump group
Life, economic benefit are quite obvious.
4, the present invention uses sealed pressurized hydraulic circuit, and in extruder F.F., prefill valve is opened, and makes in liquid storage cylinder barrel
Hydraulic oil energy fast direct connected in prefill valve fuel feeding to master cylinder, thus shortened pressure the time, effectively improve production efficiency.
5, temperature sensor is equipped in oil return pipe of the invention, the output signal route of the temperature sensor is connected to air draft
Machine and water circulating pump control route, thus can be automatically controlled by main electric cabinet, realize the control function of hydraulic oil constant temperature cooling.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is top view of the invention.
Fig. 3 is the E-E cross-sectional view of Fig. 2.
Specific embodiment
Below in conjunction with attached drawing, the present invention is described in further detail.
Referring to figs. 1 to enclosed pressurized hydraulic system extruder shown in Fig. 3, including on firm banking 1 and firm banking 1
Crimping section 2, fuel feeding part 3 and main electric cabinet 4, the crimping section 2 include pressure ram 21, extrusion oil cylinder 22, ingot-containing tube
23 and die holder 24, the extrusion oil cylinder 22 includes master cylinder 221, secondary cylinder 222, contains ingot cylinder, scissors cylinder and each working oil of die holder cylinder
Cylinder, the fuel feeding part 3 include pressurization oil cylinder 31, oil circuit board 33, cooling body 34, motor pump group 7, hydraulic circuit and fill
Liquid valve 5；
The pressurization oil cylinder 31 is made of oil storage cylinder barrel 311 and pressurized cylinder 312, and the pressurized cylinder 312 is by hydraulic oil or compression
Air driving, oil storage cylinder barrel 311 is interior to be equipped with pressurizing piston 313, and the pressurized cylinder 312 pushes pressurizing piston 313 right by piston rod
Hydraulic oil in oil storage cylinder barrel 311, which carries out pressurization, makes oil storage in-cylinder pressure reach 1-2Kg/cm2；In the oil storage cylinder barrel 311
The total measurement (volume) of volume and each oil cylinder of extruder matches, the volume in specific oil storage cylinder barrel 311 and each operating cylinder of extruder
Total measurement (volume) it is roughly the same；
The oil circuit board 33 is the control assembly of each operating cylinder of extruder；
The cooling body 34 is essentially identical with the prior art for cooling down hydraulic oil, includes cooler bin 341, cooling
Pipe 342, catch basin 343, spray tube 344 and water circulating pump 345, the cooling tube 342 are the heat dissipation being located in cooler bin 341
Pipe, the catch basin 343 are located at below cooling tube 342 for water storage；The spray tube 344 is mounted on above cooling tube, spray
Several spray heads are installed on pipe 344, are supplied water by water circulating pump 345, water storage is delivered to 342 top of cooling tube to cooling tube
342 are uniformly sprayed, and the water circulating pump 345 installation 1 is connected on the fixed base with catch basin, make the suction of water circulating pump 345
The water storage of catch basin 343 is taken to carry out spray cooling to cooling tube 342 through several spray heads on spray tube 344；The air inlet
3411 are located between cooling tube 342 and catch basin 343 at position, and the air outlet 3412 is located at the top of cooler bin 341, cooling
Spray water and air forms contact convection current to which the heat of water and cooling tube 342 is taken away when mechanism works, and reaches cooling effect.
The high-pressure system pressure of hydraulic oil is generated when the motor pump group 7 works for extruder；
The hydraulic circuit includes oil pump suction tube 61, petroleum pipeline 1, petroleum pipeline 2 63, working tubing 1, work
Oil pipe 2 322 and oil return pipe 35；The oil pump suction tube 61 is cooling body 34 to the oil circuit between motor pump group 7；Described
Petroleum pipeline 1 is oil storage cylinder barrel 311 to the oil circuit between cooling body 34；The petroleum pipeline 2 63 is logical for oil storage cylinder barrel 311
It crosses between prefill valve 5 and master cylinder 221 and communicates oil circuit；The working tubing 1 be motor pump group 7 to oil circuit board 33 it
Between oil circuit；The working tubing 2 322 is oil circuit board 33 to the oil circuit between each operating cylinder of extruder；The oil return
Pipe 35 is oil circuit board 33 to the oil circuit between oil storage cylinder barrel 311；The prefill valve 5 is located on master cylinder 221, the prefill valve 5
It is separately connected oil return pipe 35 and oil storage cylinder barrel 311；
The hydraulic circuit generates high-pressure system pressure by 61 fuel feeding of oil pump suction tube, by motor pump group 7, by working tubing
One 321 connect with oil circuit board 33, control distribution high pressure liquid pressure oil by hydraulic valve through oil circuit board 33 and squeeze via 2 322 Duis of working tubing
Each operating cylinder of press provides power, and the hydraulic oil returned from each operating cylinder of extruder flows into oil return pipe through oil circuit board 33
35, it is connected through prefill valve 5, petroleum pipeline 2 63 with oil storage cylinder barrel 311；Hydraulic oil in liquid storage cylinder barrel 311 is by petroleum pipeline 1
It is transported to cooling body 34, hydraulic oil supplies motor pump group 7 by oil pump suction tube 61 after cooling body is cooling, forms sealed add
Press hydraulic circuit.
In embodiment, the cooling tube 342 is several pipelines composition being arranged in cooler bin 341, and cooling tube is past
Multiple multiple detour structure, to increase heat exchange area.
The air outlet 3412 is equipped with exhaust blower 3413, in application, the air inlet 3411 introduce fresh air enter it is cold
But in case 341, cooling tube 342 being passed through under the action of exhaust blower 3413 and is discharged from air outlet 3412, spray water and air is formed
Contact convection current as a result, cools down to cooling tube 342 so that the heat of water is taken away, that is, realizes to flowing back in cooling tube 342
Hydraulic oil cooling function, meanwhile, in order to further strengthen the cooling function of cooling tube 342, the spray tube 344 passes through
Water circulating pump 345 is drawn on the cooling water to cooling tube 342 uppermost spray to the surface of cooling tube 342 saved in catch basin 343,
Thus accelerate recycling for water, enhance cooling effect.
In order to save energy consumption, temperature sensor, the output signal route of the temperature sensor are equipped in the oil return pipe 37
It is connected to exhaust blower 3413 or/and water circulating pump 345 controls route, in application, passing through the temperature of temperature sensor senses hydraulic oil
Degree realizes hydraulic oil work under temperature constant state by the working condition of main 4 intelligent control exhaust blower of electric cabinet or water circulating pump 345
Make, in the normal range such as hydraulic fluid temperature, exhaust blower 3413 or water circulating pump 345 stop working, when hydraulic fluid temperature exceeds
When setting range is smaller, starting exhaust blower 3413 runs work；When hydraulic fluid temperature is larger beyond setting range, start simultaneously
Exhaust blower 3413 and water circulating pump 345 run work.
When concrete application:
The hydraulic circuit generates high-pressure system pressure by 61 fuel feeding of oil pump suction tube, by motor pump group 7, by working tubing
1 connect with oil circuit board 33 through oil circuit board 33 by hydraulic valve control distribution high pressure liquid pressure oil via 2 322 pairs of working tubing squeeze
Each operating cylinder of press provides power, such as to master cylinder 221, secondary cylinder 222, ingot cylinder, scissors cylinder oil cylinder offer power are provided, from
The hydraulic oil that each operating cylinder of extruder returns flows into oil return pipe 35 through oil circuit board 33, through prefill valve 5, petroleum pipeline 2 63 and oil storage
Cylinder barrel 311 is connected；Hydraulic oil in liquid storage cylinder barrel 311 is transported to cooling body 34 by petroleum pipeline 1, and hydraulic oil is through cooling
High-pressure oil pump 72 is supplied by oil pump suction tube 61 after mechanism is cooling, forms sealed pressurized hydraulic circuit, i.e., the liquid of entire extruder
Compressed-oil system forms sealed operation.
When carrying out practically, the prefill valve 5 is fixed on master cylinder, and prefill valve 5 is separately connected oil return pipe 35 and oil storage cylinder
Cylinder 311, prefill valve 5 is opened when extruder F.F., makes the hydraulic oil in liquid storage cylinder barrel 311 with smaller resistance directly quickly through filling
In liquid valve 5 fuel feeding to master cylinder 221.When extruder, which fast forwards through end, is transferred to work into state, prefill valve 5 is closed, high pressure oil
Extruding work is carried out by 2 322 pairs of master cylinders 221 of working tubing and secondary 222 fuel feeding of cylinder through oil circuit board 33.After extruding, fill
Liquid valve 5 is opened, and master cylinder 221 retreats, and the hydraulic oil in master cylinder 221 flows back in oil storage cylinder barrel 311 through prefill valve 5.
Claims (5)
1. enclosed pressurized hydraulic system extruder, including crimping section (2), the fuel feeding on firm banking (1) and firm banking (1)
Partially (3) and main electric cabinet (4), the crimping section (2) include pressure ram (21), extrusion oil cylinder (22), ingot-containing tube (23)
With die holder (24), the extrusion oil cylinder (22) includes that master cylinder (221), secondary cylinder (222), Sheng ingot cylinder, scissors cylinder and die holder cylinder are each
Operating cylinder；The fuel feeding part (3) includes pressurization oil cylinder (31), oil circuit board (33), cooling body (34), motor pump group
(7), hydraulic circuit and prefill valve (5), it is characterized in that:
The pressurization oil cylinder (31) is made of oil storage cylinder barrel (311) and pressurized cylinder (312), the pressurized cylinder (312) by hydraulic oil or
Compressed air-driven, oil storage cylinder barrel (311) is interior to be equipped with pressurizing piston (313), and the pressurized cylinder (312) is pushed by piston rod and pressurizeed
Piston (313) pressurizes to the hydraulic oil in oil storage cylinder barrel (311)；Volume and extruder in the oil storage cylinder barrel (311)
The total measurement (volume) of each oil cylinder matches；
The oil circuit board (33) is the control assembly of each operating cylinder of extruder；
The cooling body (34) is for cooling down hydraulic oil；
Hydraulic oil high-pressure system pressure is generated when the motor pump group (7) works for extruder；
The hydraulic circuit include oil pump suction tube (61), petroleum pipeline one (62), petroleum pipeline two (63), working tubing one (321),
Working tubing two (322) and oil return pipe (35)；
The oil pump suction tube (61) is cooling body (34) to the oil circuit between motor pump group (7)；
The petroleum pipeline one (62) is oil storage cylinder barrel (311) to the oil circuit between cooling body (34)；
The petroleum pipeline two (63) is oil storage cylinder barrel (311) by communicating oil between prefill valve (5) and master cylinder (221)
Road；
The working tubing one (321) is motor pump group (7) to the oil circuit between oil circuit board (33)；
The working tubing two (322) is oil circuit board (33) to the oil circuit between each operating cylinder of extruder；
The oil return pipe (35) is oil circuit board (33) to the oil circuit between oil storage cylinder barrel (311)；
The prefill valve (5) is located on master cylinder (221), which is separately connected oil return pipe (35) and oil storage cylinder barrel
(311)；
The hydraulic circuit generates high-pressure system pressure by oil pump suction tube (61) fuel feeding, by motor pump group (7), by working tubing
One (321) are connect with oil circuit board (33), control distribution high pressure liquid pressure oil via working tubing two by hydraulic valve through oil circuit board (33)
(322) power is provided to each operating cylinder of extruder, the hydraulic oil returned from each operating cylinder of extruder is through oil circuit board (33)
It flows into oil return pipe (35), is connected through prefill valve (5), petroleum pipeline two (63) with oil storage cylinder barrel (311)；In liquid storage cylinder barrel (311)
Hydraulic oil be transported to cooling body (34) by petroleum pipeline one (62), hydraulic oil is after cooling body is cooling by oil pump suction tube (61)
It supplies motor pump group (7), forms sealed pressurized hydraulic circuit.
2. enclosed pressurized hydraulic system extruder according to claim 1, it is characterized in that: the cooling tube (342) is
Several pipelines composition in cooler bin (341) is set, and cooling tube is the structure that detours back and forth.
3. enclosed pressurized hydraulic system extruder according to claim 1, it is characterized in that: being set on the air outlet (3412)
There are exhaust blower (3413).
4. enclosed pressurized hydraulic system extruder according to claim 1, it is characterized in that: being set in the oil return pipe (322)
There is temperature sensor, the output signal route of the temperature sensor is connected to exhaust blower (3413) or/and water circulating pump (345) control
Route processed.
5. enclosed pressurized hydraulic system extruder according to claim 1, it is characterized in that: the motor pump group (8) is by one
A or more motors (71) and high-pressure oil pump (72) composition.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910585347.XA CN110404992A (en) | 2019-07-01 | 2019-07-01 | Enclosed pressurized hydraulic system extruder |
| PCT/CN2019/106554 WO2021000427A1 (en) | 2019-07-01 | 2019-09-19 | Extruder with closed pressurization hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910585347.XA CN110404992A (en) | 2019-07-01 | 2019-07-01 | Enclosed pressurized hydraulic system extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110404992A true CN110404992A (en) | 2019-11-05 |
Family
ID=68358663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910585347.XA Pending CN110404992A (en) | 2019-07-01 | 2019-07-01 | Enclosed pressurized hydraulic system extruder |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110404992A (en) |
| WO (1) | WO2021000427A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201006549Y (en) * | 2006-11-21 | 2008-01-16 | 黎永伦 | Copper or aluminium section bar extruding press mounted with automatic machine arm |
| US9545653B2 (en) * | 2013-04-25 | 2017-01-17 | Manchester Copper Products, Llc | Extrusion press systems and methods |
| CN104653525A (en) * | 2015-02-16 | 2015-05-27 | 梁润明 | Closed oil supply system of sectional material extruding machine |
| CN104624691B (en) * | 2015-02-16 | 2016-10-05 | 梁润明 | Energy-conservation, efficient, enclosed pressurization fuel feeding Form-bar Press Machine |
| CN104690102B (en) * | 2015-03-10 | 2018-04-10 | 梁润明 | A kind of modified is using enclosed pressurization fuel feeding Form-bar Press Machine |
| CN106180234A (en) * | 2016-07-20 | 2016-12-07 | 佛山市业精机械制造有限公司 | A kind of low speed aluminum section extruder |
| CN206028345U (en) * | 2016-08-31 | 2017-03-22 | 佛山市吉亚铝业有限公司 | Aluminum sectional material extruding machine |
-
2019
- 2019-07-01 CN CN201910585347.XA patent/CN110404992A/en active Pending
- 2019-09-19 WO PCT/CN2019/106554 patent/WO2021000427A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021000427A1 (en) | 2021-01-07 |
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