CN103727093B - Integrated hydraulic drive system - Google Patents
Integrated hydraulic drive system Download PDFInfo
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- CN103727093B CN103727093B CN201310756576.6A CN201310756576A CN103727093B CN 103727093 B CN103727093 B CN 103727093B CN 201310756576 A CN201310756576 A CN 201310756576A CN 103727093 B CN103727093 B CN 103727093B
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Abstract
The invention discloses a kind of integrated hydraulic drive system, it comprises main fuel tank, electric-motor pump group, valve board assembly, hydraulic oil cooler, electric control box, controller and power switch, electric-motor pump group comprises the motor of pump and driven pump, the oil outlet of main fuel tank is connected to the work oilhole on valve board assembly by the first oil pipe, pump is arranged on the first oil pipe, spill port on valve board assembly is connected to the return opening of main fuel tank by the second oil pipe, hydraulic oil cooler is arranged on the second oil pipe, it also comprises a casing, described main fuel tank, electric-motor pump group, valve board assembly, hydraulic oil cooler, electric control box, controller and power switch are installed on this casing.The arrangement of compact structure of the present invention, oil pipe and electric wire is succinct, installation and maintenance are convenient, cost is low.
Description
Technical field
The present invention relates to a kind of hydraulic driving system, is specifically a kind of integrated hydraulic drive system be applied on injection machine.
Background technique
Injection machine thermoplastic or thermosetting plastics is utilized mold for plastics to make the main forming equipment of the plastic article of various shape, injection moulding function heating of plastic, high pressure is applied to molten plastic, make it penetrate and be full of mold cavity, the art production process of injection machine is generally matched moulds, injection, pressurize, storing, cooling, die sinking and several stage such as ejects.At present, injection machine generally adopts hydraulic driving system as its power resources, and the hydraulic driving system of injection machine generally comprises fuel tank, pump, motor, valve board assembly, main valve, prop up valve, hydraulic oil cooler, electric control box, controller, power switch etc., these parts are arranged on each diverse location of injection machine respectively, all parts in hydraulic driving system are distributed comparatively at random, and these parts are each other by a lot of oil pipe, electric wire connects, and makes a lot of oil pipe of arrangement comparatively mixed and disorderly on injection machine, electric wire, and need on injection machine, above-mentioned parts to be installed one by one respectively, operation comparatively bothers, and cost is also higher, once wherein some component failure, maintenance also comparatively bothers, and after hydraulic oil Long-Time Service in fuel tank, can contain impurity in hydraulic oil, the hydraulic oil containing impurity can easily make injection machine break down in use, as situations such as valve block, but also do not have at present a set of effective device can remove impurity in hydraulic oil in time.
Summary of the invention
Technical problem to be solved by this invention is, provides the integrated hydraulic drive system that compact structure, oil pipe and electric wire are arranged succinctly, installation and maintenance are convenient, cost is low.
For solving the problems of the technologies described above, integrated hydraulic drive system provided by the invention, it comprises main fuel tank, electric-motor pump group, valve board assembly, hydraulic oil cooler, electric control box, controller and power switch, electric-motor pump group comprises the motor of pump and driven pump, the oil outlet of main fuel tank is connected to the work oilhole on valve board assembly by the first oil pipe, pump is arranged on the first oil pipe, spill port on valve board assembly is connected to the return opening of main fuel tank by the second oil pipe, hydraulic oil cooler is arranged on the second oil pipe, it also comprises a casing, described main fuel tank, electric-motor pump group, valve board assembly, hydraulic oil cooler, electric control box, controller and power switch are installed on this casing,
Described integrated hydraulic drive system also comprises drop tank, and drop tank is provided with fluid and imports and exports, and return opening and fluid are connected by oily automatic filtering unit between importing and exporting;
Described oily automatic filtering unit comprises three-way valve, two-way pump and the first oil strainer, the first interface of three-way valve and the second interface are connected on the second oil pipe, 3rd interface of three-way valve is connected to fluid by the 3rd oil pipe and imports and exports, and two-way pump and the first oil strainer are arranged on the 3rd oil pipe.
After adopting above structure, the present invention compared with prior art, has following advantage:
Integrated hydraulic drive system of the present invention, by all parts integrated installation in hydraulic driving system on casing, again casing is fixed on injection machine, the equal integrated installation of all parts of hydraulic driving system is on casing, make hydraulic driving system compact structure, and the oil pipe between all parts making hydraulic driving system, electric wires etc. are easier to arrangement, the arrangement of oil pipe and electric wire is also comparatively succinct, and when installing, as long as casing is fixed on injection machine, easy for installation, when hydraulic driving system break down need repairing time, also comparatively easily fault element is found, make maintenance more for convenience, user cost is lower.
In addition, hydraulic oil in main fuel tank can be filtered by oily automatic filtering unit, when needing filtered fluid force feed, open two-way pump, enter into drop tank after hydraulic oil in main fuel tank is filtered by the first oil strainer, namely completing hydraulic pressure oil filtration by sending main fuel tank through the hydraulic oil filtered back to by two-way pump in drop tank, the impurity in hydraulic oil can be removed in time, easy to operate, the hydraulic oil containing impurity can be avoided to make injection machine break down in use.
As improvement, oil outlet and the electric-motor pump group of described main fuel tank are all arranged on the front face of main fuel tank, valve board assembly and hydraulic oil cooler are all arranged at the rear portion of casing, electric control box is arranged at the front portion of casing, power switch is arranged at the sidepiece of casing, be provided with in described casing from the front face of main fuel tank be through to the rear portion of casing for through the first oil pipe and the pipeline of electric wire at rear portion extending to casing from the front portion of casing.Like this, make all parts position distribution in hydraulic driving system comparatively reasonable, be convenient to install and use, and oil pipe and electric wire can pass from pipeline, like this, just do not need to make oil pipe and electric wire to detour from casing settings, make oil pipe and electric wire not need to be exposed to outside casing, make oil pipe and electric wire arrange more succinct.
As improvement, described motor to be arranged in main fuel tank and to be immersed in the hydraulic oil in main fuel tank.Like this, motor can be cooled by hydraulic oil, the heat produced during machine operation is delivered in hydraulic oil, make the good cooling results of motor, make the working efficiency of motor higher, be not easy to break down, and so just no longer needing to arrange cooling unit specially carrys out cooling motor, provides cost savings.
As improvement, the front face of described main fuel tank is provided with a Heat sink, a surface of Heat sink is arranged in main fuel tank and is immersed in the hydraulic oil of main fuel tank, controller be arranged on Heat sink another on the surface.Like this, controller can be cooled by hydraulic oil, the heat produced during controller work is delivered in hydraulic oil by Heat sink, make the good cooling results of controller, make controller working efficiency higher, be not easy to break down, and so just no longer needing to arrange cooling unit specially carrys out cooling controller, provides cost savings.
As improvement, described hydraulic oil cooler is alopecia areata cooler.The cooling effect of alopecia areata cooler better, cost is lower, rate of fault is lower.
As improvement, the truncated cone structure that the bottom of described main fuel tank is big up and small down, return opening is located at the lowest part of the bottom of main fuel tank, and return opening is provided with the first waste collector.Like this, when hydraulic oil in main fuel tank is transported in drop tank, the dirt precipitated bottom main fuel tank can flow on the first waste collector automatically, like this, just achieve the automated cleaning to main fuel tank inside, and no longer need operator to crawl in main fuel tank to clean, significantly reduce workload, and also very good to the cleaning effect of main fuel tank inside.
As improvement, the truncated cone structure that the bottom of described drop tank is big up and small down, fluid imports and exports the lowest part being located at the bottom of drop tank, fluid is imported and exported and is provided with the second waste collector, second waste collector is connected with blowdown valve, and blowdown valve is installed on the 3rd oil pipe between the first oil strainer and the second waste collector.Like this, hydraulic oil is being transported to after in drop tank after the first oil strainer filters, hydraulic oil is left standstill a few hours, the moisture be mixed in hydraulic oil can be deposited to the bottom of drop tank, moisture in hydraulic oil is separated, bottom due to drop tank is up big and down small truncated cone structure, isolated moisture is made to flow into the second waste collector, then blowdown valve is opened, isolated moisture is discharged by blowdown valve, like this, moisture just can be made to separate from hydraulic oil, hydraulic oil can be made purer.
As improvement, the oil outlet of described main fuel tank is provided with the second oil strainer.Like this, when hydraulic working oil, hydraulic oil can enter the filtration of the second oil strainer, can filter out the impurity in hydraulic oil further, the degree of purity of hydraulic oil when can ensure work further.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram of the present invention;
Fig. 2 is the A direction view in Fig. 1;
Fig. 3 is the B direction view in Fig. 1.
Wherein, 1, main fuel tank; 101, oil outlet; 102, return opening; 103, front face; 2, electric-motor pump group; 201, pump; 202, motor; 3, valve board assembly; 4, hydraulic oil cooler; 5, electric control box; 6, controller; 7, power switch; 8, the first oil pipe; 9, the second oil pipe; 10, casing; 1001, rear portion; 1002, anterior; 1003, sidepiece; 11, pipeline; 12, Heat sink; 13, drop tank; 1301, fluid is imported and exported; 14, three-way valve; 15, two-way pump; 16, the first oil strainer; 17, the 3rd oil pipe; 18, the first waste collector; 19, the second waste collector; 20, blowdown valve; 21, the second oil strainer.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
By Fig. 1, Fig. 2, shown in Fig. 3, integrated hydraulic drive system of the present invention comprises main fuel tank 1, electric-motor pump group 2, valve board assembly 3, hydraulic oil cooler 4, electric control box 5, controller 6 and power switch 7, electric-motor pump group 2 comprises the motor 202 of pump 201 and driven pump 201, the oil outlet 101 of main fuel tank 1 is connected to the work oilhole on valve board assembly 3 by the first oil pipe 8, each work oilhole of valve board assembly 3 is connected to each valve respectively by pipeline, and valve board assembly 3 is for controlling the flow of the hydraulic oil flowing through each valve, flow velocity etc., pump 201 is arranged on the first oil pipe 8, spill port on valve board assembly 3 is connected to the return opening 102 of main fuel tank 1 by the second oil pipe 9, that is the spill port on valve board assembly 3 got back to by hydraulic oil after having done work, then be connected to the return opening 102 of main fuel tank 1 by the second oil pipe 9, hydraulic oil cooler 4 is arranged on the second oil pipe 9, and described integrated hydraulic drive system also comprises a casing 10, described casing 10 is made up of steel plate, described main fuel tank 1, electric-motor pump group 2, valve board assembly 3, hydraulic oil cooler 4, electric control box 5, controller 6 and power switch 7 are installed on this casing 10, and this casing 10 is bolted on injection machine.
The oil outlet 101 of described main fuel tank 1 and electric-motor pump group 2 are all arranged on the front face 103 of main fuel tank 1, valve board assembly 3 and hydraulic oil cooler 4 are all arranged at the rear portion 1001 of casing 10, electric control box 5 is arranged at the front portion 1002 of casing 10, power switch 7 is arranged at the sidepiece 1003 of casing 10, be provided with in described casing 10 from the front face 103 of main fuel tank 1 be through to the rear portion 1001 of casing 10 for through the first oil pipe 8 and the pipeline 11 of electric wire at rear portion 1001 extending to casing 10 from the front portion 1002 of casing 10, pipeline 11 runs through the front face 103 of main fuel tank 11, pipeline 11 is provided with sealing configuration with the contacting point of the front face 103 of main fuel tank 1, pipeline 11 runs through the rear surface of main fuel tank 11, pipeline 11 is provided with sealing configuration with the contacting point of the rear surface of main fuel tank 11, pipeline 11 is horizontally disposed with, first oil pipe 8 is through pipeline, and the front portion 1002 of casing 10 extends to the electric wire at the rear portion 1001 of casing 10, the electric wire extending to the rear portion 1001 of casing 10 from the sidepiece 1003 of casing 10 also all passes from pipeline 11.
Described motor 202 to be arranged in main fuel tank 1 and to be immersed in the hydraulic oil in main fuel tank 1, that is motor 202 is fixed on the front face 103 of main fuel tank 1, the housing of motor 202 to be placed in main fuel tank 1 and to be immersed in hydraulic oil, the output shaft of motor 202 is connected with the input shaft of pump 201, pump 201 is arranged on the outer surface of front face 103 of main fuel tank 1, and motor 202 is provided with sealing configuration with the contacting point of front face 103.
The front face 103 of described main fuel tank 1 is provided with a Heat sink 12, a surface of Heat sink 12 is arranged in main fuel tank 1 and is immersed in the hydraulic oil of main fuel tank 1, controller 6 be arranged on Heat sink 12 another on the surface, Heat sink 12 is made of aluminum.Heat sink 12 is provided with sealing configuration with the contacting point of front face 103.
Described hydraulic oil cooler 4 is alopecia areata cooler.
Described integrated hydraulic drive system also comprises drop tank 13, and drop tank 13 is provided with fluid and imports and exports 1301, and return opening 102 and fluid are connected by oily automatic filtering unit between importing and exporting 1301.
Described oily automatic filtering unit comprises three-way valve 14, two-way pump 15 and the first oil strainer 16, the first interface of three-way valve 14 and the second interface are connected on the second oil pipe 9,3rd interface of three-way valve 14 is connected to fluid by the 3rd oil pipe 17 and imports and exports 1301, and two-way pump 15 and the first oil strainer 16 are arranged on the 3rd oil pipe 17.
The truncated cone structure that the bottom of described main fuel tank 1 is big up and small down, return opening 102 is located at the lowest part of the bottom of main fuel tank 1, and return opening 102 is provided with the first waste collector 18.
The truncated cone structure that the bottom of described drop tank 13 is big up and small down, fluid imports and exports the lowest part that 1301 are located at the bottom of drop tank 13, fluid is imported and exported 1301 and is provided with the second waste collector 19, second waste collector 19 is connected with blowdown valve 20, and blowdown valve 20 is installed on the 3rd oil pipe 17 between the first oil strainer 16 and the second waste collector 19.
The oil outlet 101 of described main fuel tank 1 is provided with the second oil strainer 21.
When hydraulic oil in main fuel tank 1 normally works, by the effect of electric-motor pump group 2, in main fuel tank 1, hydraulic oil flows out from oil outlet 101, hydraulic oil flows to the work oilhole of valve board assembly 3, then the spill port of valve board assembly 3 is got back to after flowing through main valve, valve, driver part etc. by the control of valve board assembly 3, then the return opening 102 of main fuel tank 1 is got back to by the second oil pipe 9, hydraulic oil is made to get back to main fuel tank 1, when hydraulic oil flows through the alopecia areata cooler on the second oil pipe 9, alopecia areata cooler cools hydraulic oil.
When needing to filter the hydraulic oil in main fuel tank 1, disable motor pump group 2, open two-way pump 15, control the 3rd interface conducting of three-way valve 14, the fluid flowing into drop tank 13 after making the hydraulic oil in main fuel tank 1 flow through the first oil strainer 16 imports and exports 1301, like this, first oil strainer 16 just filters hydraulic oil, hydraulic oil after filtration flow in drop tank 13, and a few hours are left standstill in drop tank 13, the moisture in drop tank 13 in hydraulic oil is made to be deposited to the bottom of drop tank 13, moisture in hydraulic oil is separated, bottom due to drop tank 13 is up big and down small truncated cone structure, isolated moisture is flow on the second waste collector 19 and is discharged by blowdown valve 20.
And after the hydraulic oil in main fuel tank 1 is drawn into drop tank 13, the dirt be deposited in bottom main fuel tank 1 flows to the first waste collector 18 automatically along the bottom of the truncated cone of main fuel tank 1, like this, the automated cleaning to the dirt of precipitation in main fuel tank 1 is just completed.
Claims (8)
1. an integrated hydraulic drive system, it comprises main fuel tank (1), electric-motor pump group (2), valve board assembly (3), hydraulic oil cooler (4), electric control box (5), controller (6) and power switch (7), electric-motor pump group (2) comprises the motor (202) of pump (201) and driven pump (201), the oil outlet (101) of main fuel tank (1) is connected to the work oilhole on valve board assembly (3) by the first oil pipe (8), pump (201) is arranged on the first oil pipe (8), spill port on valve board assembly (3) is connected to the return opening (102) of main fuel tank (1) by the second oil pipe (9), hydraulic oil cooler (4) is arranged on the second oil pipe (9), it is characterized in that: it also comprises a casing (10), described main fuel tank (1), electric-motor pump group (2), valve board assembly (3), hydraulic oil cooler (4), electric control box (5), controller (6) and power switch (7) are installed on this casing (10),
Described integrated hydraulic drive system also comprises drop tank (13), drop tank (13) is provided with fluid and imports and exports (1301), and return opening (102) and fluid are imported and exported between (1301) and connected by oily automatic filtering unit;
Described oily automatic filtering unit comprises three-way valve (14), two-way pump (15) and the first oil strainer (16), the first interface of three-way valve (14) and the second interface are connected on the second oil pipe (9), 3rd interface of three-way valve (14) is connected to fluid by the 3rd oil pipe (17) and imports and exports (1301), and two-way pump (15) and the first oil strainer (16) are arranged on the 3rd oil pipe (17).
2. integrated hydraulic drive system according to claim 1, it is characterized in that: the oil outlet (101) of described main fuel tank (1) and electric-motor pump group (2) are all arranged on the front face (103) of main fuel tank (1), valve board assembly (3) and hydraulic oil cooler (4) are all arranged at the rear portion (1001) of casing (10), electric control box (5) is arranged at the front portion (1002) of casing (10), power switch (7) is arranged at the sidepiece (1003) of casing (10), be provided with in described casing (10) from the front face (103) of main fuel tank (1) be through to the rear portion (1001) of casing (10) for through the first oil pipe (8) and the pipeline (11) of electric wire at rear portion (1001) extending to casing (10) from the front portion (1002) of casing (10).
3. integrated hydraulic drive system according to claim 2, is characterized in that: described motor (202) to be arranged in main fuel tank (1) and to be immersed in the hydraulic oil in main fuel tank (1).
4. integrated hydraulic drive system according to claim 3, it is characterized in that: the front face (103) of described main fuel tank (1) is provided with a Heat sink (12), one surface of Heat sink (12) is arranged in main fuel tank (1) and is immersed in the hydraulic oil of main fuel tank (1), controller (6) be arranged on Heat sink (12) another on the surface.
5. integrated hydraulic drive system according to claim 4, is characterized in that: described hydraulic oil cooler (4) is alopecia areata cooler.
6. integrated hydraulic drive system according to claim 1, it is characterized in that: the truncated cone structure that the bottom of described main fuel tank (1) is big up and small down, return opening (102) is located at the lowest part of the bottom of main fuel tank (1), and return opening (102) is provided with the first waste collector (18).
7. integrated hydraulic drive system according to claim 6, it is characterized in that: the truncated cone structure that the bottom of described drop tank (13) is big up and small down, fluid imports and exports the lowest part that (1301) are located at the bottom of drop tank (13), fluid is imported and exported (1301) and is provided with the second waste collector (19), second waste collector (19) is connected with blowdown valve (20), and blowdown valve (20) is installed on the 3rd oil pipe (17) between the first oil strainer (16) and the second waste collector (19).
8. integrated hydraulic drive system according to claim 7, is characterized in that: the oil outlet (101) of described main fuel tank (1) is provided with the second oil strainer (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310756576.6A CN103727093B (en) | 2013-12-31 | 2013-12-31 | Integrated hydraulic drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310756576.6A CN103727093B (en) | 2013-12-31 | 2013-12-31 | Integrated hydraulic drive system |
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| Publication Number | Publication Date |
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| CN103727093A CN103727093A (en) | 2014-04-16 |
| CN103727093B true CN103727093B (en) | 2016-03-09 |
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| CN201310756576.6A Active CN103727093B (en) | 2013-12-31 | 2013-12-31 | Integrated hydraulic drive system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUB20159396A1 (en) * | 2014-12-19 | 2017-06-18 | Bosch Gmbh Robert | HYDRAULIC CYLINDER UNIT |
| CN107061384A (en) * | 2016-12-26 | 2017-08-18 | 新兴重工三六（武汉）特种装备厂 | A kind of integrated hydraulic module |
| CN110005661A (en) * | 2019-04-17 | 2019-07-12 | 江南大学 | Monomer combined hydraulic apparatus |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2909141B2 (en) * | 1990-04-26 | 1999-06-23 | 東芝機械株式会社 | Heating and cooling device |
| CN201538019U (en) * | 2009-11-15 | 2010-08-04 | 广州博创机械有限公司 | Independent cooling system device of injection molding machine |
| CN201579968U (en) * | 2009-12-24 | 2010-09-15 | 浙江申达机器制造股份有限公司 | Pre-plasticizing mould-clearing hydraulic loop of injection machine |
| JP5442581B2 (en) * | 2010-11-01 | 2014-03-12 | 日精樹脂工業株式会社 | Hydraulic oil cooling method for injection molding machine |
| CN202483995U (en) * | 2011-12-29 | 2012-10-10 | 中山力劲机械有限公司 | Hydraulic oil cooling device of injection molding machine |
| CN202592698U (en) * | 2012-06-11 | 2012-12-12 | 无锡天惠塑机有限公司 | Hydraulic control integrated device for injection molding machine |
| CN202685259U (en) * | 2012-07-10 | 2013-01-23 | 陶永华 | Oil pressure conveying mechanism for checking movement of workpiece in plastic mold |
| CN203063083U (en) * | 2013-02-28 | 2013-07-17 | 赵静 | Injection molding machine |
| CN203756640U (en) * | 2013-12-31 | 2014-08-06 | 宁波腾隆户外用品有限公司 | Integrated hydraulic driving system |
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