CN104476792B - A kind of hydraulic press - Google Patents
A kind of hydraulic press Download PDFInfo
- Publication number
- CN104476792B CN104476792B CN201410759156.8A CN201410759156A CN104476792B CN 104476792 B CN104476792 B CN 104476792B CN 201410759156 A CN201410759156 A CN 201410759156A CN 104476792 B CN104476792 B CN 104476792B
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- CN
- China
- Prior art keywords
- hydraulic
- fuel tank
- hydraulic oil
- oil pump
- master cylinder
- 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
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
-
- 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
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Fluid-Pressure Circuits (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention discloses a kind of hydraulic press, comprise hydraulic oil pump, inserted valve, master cylinder, fuel tank and fuel sucking pipe, wherein, fuel sucking pipe has connected respectively hydraulic oil pump and fuel tank; Hydraulic oil pump, inserted valve and master cylinder are installed in the outside of fuel tank. In hydraulic press provided by the invention, hydraulic system is arranged on to the outside of fuel tank, by the connection of fuel sucking pipe complete with fuel tank in hydraulic oil extract. The transmission that is difficult for empathizing in running, resonates and superposes of hydraulic oil pump motor in the present invention causes noise to fall sharply. Can not save bit by bit a large amount of heats, heat dispersion is better, and hydraulic oil pump performance is more excellent, can not stop up or damage because of overheated generation. In addition, hydraulic system is installed in fuel tank outside, so the heat production of hydraulic system can not passed to the hydraulic oil in fuel tank, is minimized 6-10 DEG C with this type hydraulic press oil temperature, can make the maintenance rate of hydraulic press be declined, improve the service life of hydraulic press.
Description
Technical field
The present invention relates to hydraulic technique field, more particularly, relate to a kind of hydraulic press.
Background technology
Hydraulic press is a kind of machinery that utilizes hydrostatic pressure to process, and it is taking liquid as working media,According to pascal's principle, liquid pressure is changed into kinetic energy.
According to the class of liquids of transmitting pressure, hydraulic press is divided into hydraulic press and the large class of hydraulic press two. Adopt oilTransmit in the hydraulic press of pressure, conventionally the entirety of hydraulic oil pump, hydraulic valve and hydraulic cylinder is placed on to fuel tankIn, this laying method contributes to the use of hydraulic oil pump and the utilization of overall space.
But the existing hydraulic press with fluid pressure transmission has following structural shortcoming: work as hydraulic pressWhen operation, motor rotates and drives oil pump suction oil and boost, and becomes the moving source of hydraulic press, its motorRotating boosting of pump hydraulic pressure body sine wave flows to the oil in its installation material fuel tank and the generation of fuel tank side steel plateResonance altogether toot, the noise of synergistic effect product high-decibel, more than adding, noise is just larger when pump group, due to ringBorder temperature is high, the volume of fuel tank is little, integral heat sink weak effect, thus can cause hydraulic oil pump heating, butBe that hydraulic oil pump is placed in fuel tank, heat-sinking capability is restricted; And, hydraulic oil pump and hydraulic pressure oil phaseContact, the two readily conducts heat, and causes the rising of hydraulic fluid temperature, and then may cause hydraulic press entirety to occurDamage in various degree; In the time that hydraulic oil pump need to clean or exist certain obstruction, need to be to hydraulic oil pumpClean, and hydraulic oil pump is in fuel tank, cleaning process is comparatively complicated.
In sum, how to solve hydraulic press noise and heating problem, be current those skilled in the art urgentlyProblem to be solved.
Summary of the invention
In view of this, the object of this invention is to provide a kind of hydraulic press, can solve the heating of hydraulic press noiseProblem.
In order to achieve the above object, the invention provides following technical scheme:
A kind of hydraulic press, comprises hydraulic oil pump, inserted valve, master cylinder, fuel tank and fuel sucking pipe, wherein, and instituteState fuel sucking pipe and connect respectively described hydraulic oil pump and described fuel tank; Described hydraulic oil pump, described inserted valve andDescribed master cylinder is installed in the outside of described fuel tank;
Described hydraulic oil pump is installed on entablature upper surface, and described inserted valve is arranged on fuel tank upper surface,Described master cylinder is arranged in entablature respective aperture;
The oil exit pipe of described hydraulic oil pump connects described inserted valve, and the epicoele hydraulic fluid port of described master cylinder is provided withLumen, described upper lumen connects described inserted valve, and the cavity of resorption hydraulic fluid port of described master cylinder is provided with lower lumen, instituteState lower lumen and connect described inserted valve; The prefill valve suction & delivery oil hose of described master cylinder connects described fuel tank.
Preferably, described fuel tank is arranged on described entablature upper surface.
Preferably, described inserted valve is arranged on the surface of described fuel tank upper cover.
Preferably, the number of described hydraulic oil pump is three, and three described hydraulic oil pumps connect respectively threeMotor.
Preferably, three described motors are arranged on respectively the side of described master cylinder.
Preferably, the number of described master cylinder is two, and two described master cylinders are about the center of described entablatureLine symmetry.
In hydraulic press provided by the invention, hydraulic oil pump, inserted valve and master cylinder are different from the shape of prior artFormula, is arranged on three the outside of fuel tank, by the connection of oil pipe complete with fuel tank in hydraulic oil extract.Compared with the mode that is arranged on fuel tank internal or tank side surface, location in prior art, oil pump in the present inventionMotor install left fuel tank, therefore the sinusoidal lifting shock wave of electric machine rotation, oil pump not can with fuel tank inOil and oil tank wall steel plate produce resonance, sympathetic response and many stack sounding, taking this TV station as example noise decline 8-10db,Hydraulic oil pump is difficult in running, saving bit by bit a large amount of heats, and heat dispersion is better, the property of hydraulic oil pumpCan be more excellent, can not stop up or damage because of overheated generation. In addition, owing to comprising the hydraulic pressure of hydraulic oil pumpSystem is installed in fuel tank outside, thus the heat production of hydraulic system can not passed to the hydraulic oil in fuel tank,Hydraulic oil temperature is minimized, can makes the maintenance rate of hydraulic press be declined, improved making of hydraulic pressUse the life-span. And make the corresponding raising of ram speed. The present invention main system Oil pump electrical machinery rotating speed and master cylinder are returned andCavity area has improved running speed of hydraulic press as optimal design, reaches product productivity ratio and improves 10-15%.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, belowAccompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, notPay under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the front view of the specific embodiment of a kind of hydraulic press provided by the present invention;
Fig. 2 is the top view of the specific embodiment of a kind of hydraulic press provided by the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried outDescribe clearly and completely, obviously, described embodiment is only the present invention's part embodiment, andNot whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not doingGo out the every other embodiment obtaining under creative work prerequisite, all belong to the scope of protection of the invention.
Core of the present invention is to provide a kind of hydraulic press, can solve hydraulic press and reduce noise heating and workFireballing problem.
Please refer to Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 are respectively the concrete enforcement of a kind of hydraulic press provided by the present inventionFront view and the top view of example.
The hydraulic press that the present embodiment provides mainly comprises that hydraulic oil pump 11, inserted valve 2 and master cylinder 13 formHydraulic system, particularly, the quantity of each critical piece is respectively three hydraulic oil pumps 11, a plug-in mountingValve 2 and two master cylinders 13.
Optionally, the quantity of each critical piece of hydraulic system can increase and decrease as required, to meetNormally the using and cooperatively interacting as basic norm of hydraulic system. Preferably master cylinder backhaul power, it is same modelSpecification improves the key factor of ram speed. Cylinder backhaul cavity area size and slide block opening speed, fast lower speedDegree is inversely proportional to substantially.
Hydraulic oil pump 11, inserted valve 2 and master cylinder 13 be all placed on entablature 1 above, and fixed,Concrete position is as follows: two master cylinders 13 are respectively in two positions of the center line symmetry about entablature 1Put, fuel tank be arranged on master cylinder 13 after, as shown in fig. 1, fuel tank part is blocked by master cylinder 13. Plug-in mountingValve 2 is arranged on the surface of fuel tank.
Three hydraulic oil pumps 11 and three motors 6 form the combination of three cover Pump and Electromotors, are called for short pump group, threeMotor 6 is also installed on entablature 1. As shown in Figure 2, one of them pump assembly is arranged on the master cylinder in left side13 left side, two other pump assembly is arranged on respectively the front side of two master cylinders 13, i.e. lower orientation in Fig. 2Put. In the present embodiment, select three 6P motors, in press nominal pressure, work top size, ram speed notThe condition becoming, it is one of key factor that noise temperature is low.
Optionally, the position of hydraulic oil pump 11, inserted valve 2 and master cylinder 13 is different from above-mentioned installation site, butNeed to meet the outside of these three parts at fuel tank. The outside that three critical pieces are placed on to fuel tank helpsIn avoiding itself and the contacting of hydraulic oil in fuel tank, avoid conducting heat between hydraulic oil, and contribute to hydraulic oilThe heat radiation of pump 11.
The fuel sucking pipe 5 of three cover pump assemblys is connected with fuel tank respectively, for the hydraulic oil sucking-off of fuel tank is madeWith.
The oil exit pipe of three cover pump assemblys is respectively first row oil pipe 3, second row oil pipe and the 3rd oil exit pipe 10,They are connected each hydraulic oil pump 11 correspondingly with the interface on inserted valve 2. At two master cylinders13 epicoele hydraulic fluid port is connecting respectively a upper lumen, as shown in Figure 2, and the epicoele hydraulic fluid port of the master cylinder 13 in left sideConnect lumen 4 on first, lumen 4 on lumen 8, the first in the epicoele hydraulic fluid port connection second of the master cylinder 13 on right sideWith second on lumen 8 meet at after threeway 7, then be connected with inserted valve 2. On the cavity of resorption hydraulic fluid port of two master cylinders 13Connecting respectively a lower lumen 14, lower lumen 14 is also connected with inserted valve 2. Topping up on two master cylinders 13Valve suction & delivery oil hose 15 is connected with the hydraulic fluid port on fuel tank respectively.
Optionally, above method of attachment is not unique yet, and above-mentioned connected mode is in order to meet hydraulic oilPump 11, inserted valve 2 and master cylinder 13 are arranged on the layout pattern of fuel tank outside, and other can meet this layout mouldThe method of attachment of formula all can be used as the embodiment of the present embodiment.
In the hydraulic press that the present embodiment provides, hydraulic oil pump 11, inserted valve 2 and master cylinder 13 are different from existingThe form of technology, is arranged on three the outside of fuel tank, by the connection of fuel sucking pipe 5 complete with fuel tank inHydraulic oil extracts. Compared with the mode that is arranged on fuel tank internal or tank side Wall board in prior art, thisThe high speed rotating of Oil pump electrical machinery, oil pump running and the boost sinusoidal impact of generation liquid and many pumps group in embodimentAnd the panel vibration producing between fuel tank steel plate and hydraulic oil, sympathetic response sound and synergistic effect, hydraulic oil after improvingPump 11 is difficult for noise in running and greatly reduces good heat dissipation simultaneously, and the performance of hydraulic oil pump 11 is more excellentDifferent, can not stop up or damage because of overheated generation. In addition, owing to comprising that the hydraulic system of hydraulic oil pump 11 is equalBe contained in fuel tank outside, so the heat production of hydraulic system can not passed to the hydraulic oil in fuel tank, make hydraulic pressureOil temperature is minimized, and can make the maintenance rate of hydraulic press be declined, and has improved the use longevity of hydraulic pressLife.
To the above-mentioned explanation of the disclosed embodiments, make those skilled in the art realize or to use thisBright. To be apparent for a person skilled in the art to the multiple amendment of these embodiment, hereinIn defined General Principle can be in the situation that not departing from the spirit or scope of the present invention, real at otherExecute in example and realize. Therefore, the present invention will can not be restricted to these embodiment shown in this article, but wantMeet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a hydraulic press, comprises hydraulic oil pump (11), inserted valve (2), master cylinder (13), oilCase and fuel sucking pipe (5), is characterized in that, described fuel sucking pipe (5) connects respectively described hydraulic oil pumpAnd described fuel tank (11); Described hydraulic oil pump (11), described inserted valve (2) and described master cylinder(13) be installed in the outside of described fuel tank;
Described hydraulic oil pump (11) is installed on entablature (1) upper surface, and described inserted valve (2) is establishedPut on described fuel tank upper surface, described master cylinder (13) is arranged on described entablature (1) respective apertureIn;
The oil exit pipe of described hydraulic oil pump (11) connects described inserted valve (2), described master cylinder (13)Epicoele hydraulic fluid port lumen is installed, described upper lumen connects described inserted valve (2), described master cylinder(13) cavity of resorption hydraulic fluid port is provided with lower lumen (14), and described lower lumen (14) connects described inserted valve(2); The prefill valve suction & delivery oil hose (15) of described master cylinder (13) connects described fuel tank.
2. hydraulic press according to claim 1, is characterized in that, described in described fuel tank is arranged onOn entablature (1) upper surface.
3. hydraulic press according to claim 1 and 2, is characterized in that, described inserted valve (2)Be arranged on the surface of described fuel tank upper cover.
4. hydraulic press according to claim 1 and 2, is characterized in that, described hydraulic oil pump(11) number is three, and three described hydraulic oil pumps (11) connect respectively three motors (6).
5. hydraulic press according to claim 4, is characterized in that, three described motors (6) pointBe not arranged on the side of described master cylinder (13).
6. hydraulic press according to claim 1 and 2, is characterized in that, described master cylinder (13)Number is two, and two described master cylinders (13) are about the center line symmetry of described entablature (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410759156.8A CN104476792B (en) | 2014-12-10 | 2014-12-10 | A kind of hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410759156.8A CN104476792B (en) | 2014-12-10 | 2014-12-10 | A kind of hydraulic press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104476792A CN104476792A (en) | 2015-04-01 |
| CN104476792B true CN104476792B (en) | 2016-05-25 |
Family
ID=52751462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410759156.8A Active CN104476792B (en) | 2014-12-10 | 2014-12-10 | A kind of hydraulic press |
Country Status (1)
| Country | Link |
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| CN (1) | CN104476792B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079516B (en) * | 2016-08-15 | 2017-09-15 | 重庆蔡氏液压设备有限公司 | High-speed and energy-saving hydraulic press |
| CN108194459A (en) * | 2017-12-25 | 2018-06-22 | 重庆蔡氏液压设备有限公司 | A kind of low fever hydraulic device of low noise |
| CN110654048A (en) * | 2019-09-18 | 2020-01-07 | 南通华东油压科技有限公司 | Four-column hydraulic press |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51138751A (en) * | 1975-05-27 | 1976-11-30 | Matsushita Electric Works Ltd | Automatic compression molding machine |
| JPS56111593A (en) * | 1980-02-08 | 1981-09-03 | Hitachi Ltd | Fluid pressure press |
| CN100486799C (en) * | 2006-08-31 | 2009-05-13 | 天津市天锻压力机有限公司 | Energy-saving thin plate hydraulic drawing press |
| CN103419390A (en) * | 2012-05-19 | 2013-12-04 | 董金奎 | Forming press |
| CN203410050U (en) * | 2013-07-19 | 2014-01-29 | 山东源泉机械有限公司 | Novel lifting-type hydraulic oil press |
| CN204471909U (en) * | 2014-12-10 | 2015-07-15 | 重庆蔡氏液压设备有限公司 | A kind of hydraulic press |
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2014
- 2014-12-10 CN CN201410759156.8A patent/CN104476792B/en active Active
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| CN104476792A (en) | 2015-04-01 |
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