CN104653525A - Closed oil supply system of sectional material extruding machine - Google Patents
Closed oil supply system of sectional material extruding machine Download PDFInfo
- Publication number
- CN104653525A CN104653525A CN201510085357.9A CN201510085357A CN104653525A CN 104653525 A CN104653525 A CN 104653525A CN 201510085357 A CN201510085357 A CN 201510085357A CN 104653525 A CN104653525 A CN 104653525A
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- CN
- China
- Prior art keywords
- oil
- oil cylinder
- pressurization
- cylinder
- supply system
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- 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
-
- 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
- F15B21/005—Filling or draining of fluid systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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
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- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
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- 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)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a closed oil supply system of a sectional material extruding machine, belongs to the field of sectional material molding equipment, and relates to an oil supply system of an extruding machine. The closed oil supply system comprises an oil cylinder and an oil storage tank, wherein the oil cylinder is provided with a prefill valve, the oil storage tank is divided into an oil return oil tank and a pressurization oil cylinder which are respectively sealed, and the oil return oil tank is connected with the oil cylinder by virtue of a backflow oil line connected to the oil cylinder; the oil return oil tank is connected with the pressurization oil cylinder by virtue of an oil supply pipeline, a circular oil line between the oil cylinder and the pressurization oil cylinder is formed by the backflow oil line, the oil return oil tank and the oil supply pipeline, and the pressurization oil cylinder is provided with a piston; by virtue of the reciprocating motion of piston, the oil in the pressurization oil cylinder is extruded in to the oil cylinder or the oil in the oil cylinder flows back into the pressurization oil cylinder by virtue of the circulation oil line, so that the sealed oil supply system of the extruding machine is formed. The oil supply system is in a sealed state, dust sundries and the like are prevented from being mixed into the oil supply system, the cleanness of hydraulic oil is kept, and the working life of the hydraulic oil is prolonged.
Description
Technical field
The invention belongs to product moulding apparatus field, be involved in a kind of extrusion press oil supply system.
Background technique
Traditional copper-aluminium extrusion press all adopts puts open type oil tank.Plunger cylinder zero load is promoted by auxiliary cylinder when moving forward and backward, and hydraulic oil is by liquid-filling valve oil-feed and oil return.Be advance by Action of Gravity Field during oil-feed, therefore hydraulic oil is long-term and atmosphere.During due to every task, running of hydraulic power oil amount is very large, be easy to entrained air and dust, and oil circuit valve on oil way of extruding machine and oil pump more, thus, same easily suction and entrained gas, therefore, fuel tank open like this has a strong impact on hydraulic oil using effect, and reduces the life time of hydraulic oil, be unfavorable for energy-conserving and environment-protective, cost-saving.
Summary of the invention
The object of the invention is, provide and solve existing Form-bar Press Machine oil circuit and atmosphere, affect the defects such as hydraulic oil working life, a kind of enclosed oil supply system is provided.
Object of the present invention can be achieved through the following technical solutions:
A kind of Form-bar Press Machine enclosed oil supply system, comprise oil cylinder and fuel reserve tank, described oil cylinder is provided with liquid-filling valve, described fuel reserve tank is divided into two oil return fuel tank and pressurization oil cylinders being sealing, described oil return fuel tank is connected with oil cylinder by the backflow oil circuit accessing oil cylinder, oil return fuel tank is connected with pressurization oil cylinder by oil feed line, makes the circulating oil path that backflow oil circuit, oil return fuel tank and oil feed line form oil cylinder and pressurize between oil cylinder; Described pressurization oil cylinder is provided with and acts on pressurization oil feed line fuel feeding to the piston of oil cylinder, moved back and forth by piston and form the in-oil cylinder oil of pressurization and be squeezed in oil cylinder or in-oil cylinder oil is back in pressurization oil cylinder by circulating oil path, form the oil supply system of extrusion press sealed type.
Object of the present invention can also be achieved through the following technical solutions:
Further, described oil return fuel tank is positioned at the top of extrusion press, and this oil return fuel tank and extrusion press are vertical type structure, and this oil return fuel tank adopts the backflow oil circuit having one or more oil pump of servo motor group and one or more groups electromagnetic valve to control extrusion press oil cylinder; Described pressurization oil cylinder is positioned at extrusion press rear portion.
Further, described by its piston of single-acting extension sleeve oil cylinder pushing, produce constant pressure.
Further, described liquid-filling valve is three-way valve, the port one of this three-way valve accesses oil cylinder, port two connects with the output circuit of oil return fuel tank, port three is connected with in pressurization oil cylinder, the output circuit of its oil return fuel tank is connected with pressurization oil cylinder by three-way valve, forms the oil return circulation loop of pressurization oil cylinder.
Further, described oil return fuel tank and extrusion press are integral type structure.
Further, described pressurization oil cylinder and extrusion press are split-type structural.
Beneficial effect of the present invention:
1, fuel reserve tank of the present invention is divided into two oil return fuel tank and pressurization oil cylinders being sealing, described oil return fuel tank is connected with oil cylinder by the backflow oil circuit accessing oil cylinder, oil return fuel tank is connected with pressurization oil cylinder by oil feed line, make backflow oil circuit, oil return fuel tank and oil feed line form the circulating oil path of the sealed type between oil cylinder and pressurization oil cylinder, the hydraulic oil forming fuel reserve tank is sealing state, avoid being mixed into dust and other impurities, keep the turbidity test of hydraulic oil, delay the operating life of hydraulic oil, and owing to using sealing load conveying liquid force feed, and then machine operation is stablized, reduce oil temperature, reduce hot-tempered sound.Solve existing oil way of extruding machine and atmosphere thus, affect the problem such as quality and life time, the service property (quality) of effective raising extrusion press hydraulic oil and expanded service life, greatly lower hydraulic oil consumption simultaneously, can more than 40% be reduced, making the operating life of hydraulic oil by improving 2-3 existing working life doubly, reducing the cost changing oil and process waste oil, and reducing environmental pollution; With the working life of improving hydraulic servo dynamo oil pump package, economic benefit is quite obvious.
2, pressurization oil cylinder of the present invention is provided with and acts on pressurization oil feed line fuel feeding to the piston of oil cylinder, moved back and forth by piston and form the in-oil cylinder oil of pressurization and be squeezed in oil cylinder or in-oil cylinder oil is back in pressurization oil cylinder by circulating oil path, form the oil supply system of extrusion press sealed type.Thus, promote by piston the working efficiency more effectively improving hydraulic oil.
3, the present invention adopts fuel reserve tank to be divided into two oil return fuel tank and pressurization oil cylinders being sealing, oil cylinder hydraulic oil promotes pressurization by the piston of pressurization oil cylinder, it is made to form fuel tank little, but supplement the effect that oil mass is large, and pressure stability is effective, avoid prior art to adopt deadweight to carry out fuel feeding, greatly reduce the oil reserve of fuel tank thus, save production cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
With reference to a kind of Form-bar Press Machine enclosed oil supply system shown in Fig. 1, comprise oil cylinder 1 and fuel reserve tank 2, described oil cylinder 1 is provided with liquid-filling valve 3, described fuel reserve tank 2 is divided into two oil return fuel tank 21 and pressurization oil cylinders 22 being sealing, described oil return fuel tank 21 is connected with oil cylinder 1 by the backflow oil circuit 41 of access oil cylinder 1, oil return fuel tank 21 is connected with pressurization oil cylinder 22 by oil feed line 42, makes the circulating oil path that backflow oil circuit 41, oil return fuel tank 21 and oil feed line 42 form oil cylinder 1 and pressurize between oil cylinder 22; Described pressurization oil cylinder 22 is provided with and acts on pressurization oil feed line 42 fuel feeding to the piston 221 of oil cylinder 1, the oil be squeezed in oil cylinder 1 or in oil cylinder 1 by piston 221 oil moved back and forth in formation pressurization oil cylinder 22 is back in pressurization oil cylinder 22 by circulating oil path, forms the oil supply system of extrusion press sealed type.
In embodiment, described oil return fuel tank 21 is positioned at the top of extrusion press 5, this oil return fuel tank 21 and extrusion press 5 are in vertical type integral structure, this oil return fuel tank 21 adopts the backflow oil circuit 41 having one or more oil pump of servo motor groups 6 and one or more groups electromagnetic valve 7 to control extrusion press oil cylinder 1, described pressurization oil cylinder 22 is positioned at extrusion press 5 side, this pressurization oil cylinder 22 is split-type structural with extrusion press, the piston 221 of pressurization oil cylinder 22 promotes its piston 221 by single-acting extension sleeve oil cylinder 222, so that can produce constant pressure.Promote piston 221 by Telescopic oil tank 222 to pressurize fuel feeding to oil feeding line 42, and produce the precompression of 2-3bar at oil pump of servo motor group inlet port end, can prevent oil pump of servo motor group from inhaling and emptyly produce cavitation erosion
Described liquid-filling valve 3 is three-way valve, the port 1 of this three-way valve accesses oil cylinder 1, port 2 32 connects with the output circuit of oil return fuel tank 21, port 3 33 is connected with in pressurization oil cylinder 22, the output circuit of its oil return fuel tank 21 is connected with pressurization oil cylinder 22 by three-way valve, forms the oil return circulation loop of pressurization oil cylinder 22.
When the present invention uses, piston 221 is promoted by the flexible rod 222 of the oil cylinder 22 that pressurizes, thus make the hydraulic oil in pressurization oil cylinder 22 increase pressure, by increasing the pressure in pressurization oil cylinder 22, make hydraulic oil Absorbable organic halogens, enter in the oil cylinder 1 of extrusion press through oil feed line 42 and liquid-filling valve 3 fast, promote the extruding work of extrusion press; After pushing, liquid-filling valve is opened, main plunger rollback is promoted by secondary cylinder, by hydraulic oil by pushing back in pressurization oil cylinder 22 in oil cylinder 1, make piston 221 return of pressurization oil cylinder 22, hydraulic oil can be quick, stable thus forms circulating oil path through backflow oil circuit 41, oil return fuel tank 21 and oil feed line 42 and is back to pressurization oil cylinder 22.
The present invention adopts a driven by servomotor gear oil pump of servo motor group, through oil circuit and valve to single-acting extension sleeve oil cylinder 222 fuel feeding, make to keep constant pressure in cylinder efficient, make can keep 2-3bar oil pressure in pressurization oil cylinder 22, by being arranged on the data that detect of pressure transducer on pressurization oil cylinder 22 through the rotating speed of PLC s operation control actuating motor pump group and stopping, carrying out closed loop control.
Claims (6)
1. a Form-bar Press Machine enclosed oil supply system, comprise oil cylinder (1) and fuel reserve tank (2), described oil cylinder (1) is provided with liquid-filling valve (3), it is characterized in that: described fuel reserve tank (2) is divided into two oil return fuel tank (21) and pressurizations oil cylinder (22) being sealing, described oil return fuel tank (21) is connected with oil cylinder (1) by the backflow oil circuit (41) of access oil cylinder (1), oil return fuel tank (21) is connected with pressurization oil cylinder (22) by oil feed line (42), make backflow oil circuit (41), oil return fuel tank (21) and oil feed line (42) form the circulating oil path between oil cylinder (1) and pressurization oil cylinder (22), described pressurization oil cylinder (22) is provided with piston (221), the oil pressure formed in pressurization oil cylinder (22) is moved back and forth by piston (221), the oil be communicated in oil cylinder (1) or in oil cylinder (1) is back in pressurization oil cylinder (22) by circulating oil path, forms the oil supply system of extrusion press sealed type.
2. a kind of Form-bar Press Machine enclosed oil supply system according to claim 1, it is characterized in that: described oil return fuel tank (21) is positioned at the top of extrusion press (5), this oil return fuel tank (21) and extrusion press (5) are in vertical type structure, and this oil return fuel tank (21) has one or more oil pump of servo motor groups (6) and one or more groups electromagnetic valve (7) to control the backflow oil circuit (41) of extrusion press oil cylinder (1); Described pressurization oil cylinder (22) is positioned at extrusion press (5) rear portion.
3. a kind of Form-bar Press Machine enclosed oil supply system according to claim 1, it is characterized in that: described pressurization oil cylinder (22) promotes its piston (221) by single-acting extension sleeve oil cylinder (222), produces constant pressure.
4. a kind of Form-bar Press Machine enclosed oil supply system according to claim 1, it is characterized in that: described liquid-filling valve (3) is three-way valve, the port one (31) of this three-way valve accesses oil cylinder (1), port two (32) connects with the output circuit of oil return fuel tank (21), port three (33) is connected with in pressurization oil cylinder (22), the output circuit of its oil return fuel tank (21) is connected with pressurization oil cylinder (22) by three-way valve, forms the oil return circulation loop of pressurization oil cylinder (22).
5. a kind of Form-bar Press Machine enclosed oil supply system according to claim 1, is characterized in that: described oil return fuel tank (21) and extrusion press are integral type structure.
6. a kind of Form-bar Press Machine enclosed oil supply system according to claim 1, is characterized in that: described pressurization oil cylinder (22) and extrusion press are split-type structural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510085357.9A CN104653525A (en) | 2015-02-16 | 2015-02-16 | Closed oil supply system of sectional material extruding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510085357.9A CN104653525A (en) | 2015-02-16 | 2015-02-16 | Closed oil supply system of sectional material extruding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104653525A true CN104653525A (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510085357.9A Pending CN104653525A (en) | 2015-02-16 | 2015-02-16 | Closed oil supply system of sectional material extruding machine |
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| Country | Link |
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| CN (1) | CN104653525A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108651A (en) * | 2017-06-23 | 2019-01-01 | 南京理工大学 | A kind of extruding metal hydraulic drawing press |
| WO2021000427A1 (en) * | 2019-07-01 | 2021-01-07 | 梁润明 | Extruder with closed pressurization hydraulic system |
| WO2021000428A1 (en) * | 2019-07-01 | 2021-01-07 | 梁润明 | Profile extruder with compact type closed pressurization hydraulic system |
| CN121607428A (en) * | 2026-01-30 | 2026-03-06 | 太原理工大学 | A novel double-layer extrusion bar structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005068100A1 (en) * | 2004-01-15 | 2005-07-28 | Sms Eumuco Gmbh | Method for adjusting the position of a mandrel of an extrusion press for producing hollow sections |
| 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 |
| CN201420731Y (en) * | 2009-05-19 | 2010-03-10 | 孝感天茂铝业有限公司 | Pressure booster device for extruder oil pump |
| CN101745556A (en) * | 2008-12-12 | 2010-06-23 | 中国海洋石油总公司 | Pipe end extrusion molding machine |
| CN202028626U (en) * | 2011-03-23 | 2011-11-09 | 昆山捷安特轻合金科技有限公司 | Structure-improved oil way of extruding machine |
| CN204512021U (en) * | 2015-02-16 | 2015-07-29 | 梁润明 | A kind of Form-bar Press Machine enclosed oil supply system |
-
2015
- 2015-02-16 CN CN201510085357.9A patent/CN104653525A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005068100A1 (en) * | 2004-01-15 | 2005-07-28 | Sms Eumuco Gmbh | Method for adjusting the position of a mandrel of an extrusion press for producing hollow sections |
| 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 |
| CN101745556A (en) * | 2008-12-12 | 2010-06-23 | 中国海洋石油总公司 | Pipe end extrusion molding machine |
| CN201420731Y (en) * | 2009-05-19 | 2010-03-10 | 孝感天茂铝业有限公司 | Pressure booster device for extruder oil pump |
| CN202028626U (en) * | 2011-03-23 | 2011-11-09 | 昆山捷安特轻合金科技有限公司 | Structure-improved oil way of extruding machine |
| CN204512021U (en) * | 2015-02-16 | 2015-07-29 | 梁润明 | A kind of Form-bar Press Machine enclosed oil supply system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108651A (en) * | 2017-06-23 | 2019-01-01 | 南京理工大学 | A kind of extruding metal hydraulic drawing press |
| WO2021000427A1 (en) * | 2019-07-01 | 2021-01-07 | 梁润明 | Extruder with closed pressurization hydraulic system |
| WO2021000428A1 (en) * | 2019-07-01 | 2021-01-07 | 梁润明 | Profile extruder with compact type closed pressurization hydraulic system |
| CN121607428A (en) * | 2026-01-30 | 2026-03-06 | 太原理工大学 | A novel double-layer extrusion bar structure |
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Application publication date: 20150527 |