CN205331072U - Extruder hydraulic means - Google Patents
Extruder hydraulic means Download PDFInfo
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- CN205331072U CN205331072U CN201620081575.5U CN201620081575U CN205331072U CN 205331072 U CN205331072 U CN 205331072U CN 201620081575 U CN201620081575 U CN 201620081575U CN 205331072 U CN205331072 U CN 205331072U
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- extruder
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Abstract
The utility model relates to an extruder hydraulic means, comprises an oil tank, the input port of oil pump is connected through advancing the oil pipe way to the oil tank, the delivery outlet of oil pump passes through first pipe connection magenetic exchange valve's first port, be equipped with first check valve on the first pipeline, first pipeline communicates energy storage ware and pressure relay respectively, magenetic exchange valve's second port and the cavity of resorption of pressurized cylinder intercommunication, magenetic exchange valve's third port communicates the epicoele of booster respectively and controls the input of sequence valve outward, control the output of sequence valve and the pressure boost interface intercommunication of pressurized cylinder outward, magenetic exchange valve's fourth port passes through second pipeline intercommunication oil tank, be equipped with the second check valve on the second pipeline. Through setting up the energy storage ware, during the insufficient pressure of the demand of the pressurized cylinder in the extruder, can be as extra hydraulic pressure, guarantee the hydraulic pressure demand of extruder, when the oil pressure increased in the twinkling of an eye in the unexpected fuel feeding of oil pump results in the pipeline, the energy storage ware can absorb the energy of this part to guarantee the entire system normotension.
Description
Technical field
This utility model relates to technical field of hydraulic equipment, particularly relates to a kind of extruder hydraulic appts。
Background technology
The at present action of a lot of extruders is all by hydraulic system, controls the various process cycles actions to complete extruder by electrical system。Its operation principle is as working media by specific hydraulic fluid, and by oil pump as power source, the active force by oil pump makes hydraulic oil enter master cylinder by hydraulic plumbing system, utilizes the pressure of liquid to promote piston movement。Extruder hydraulic system under prior art, the power of motor that pressing stroke per second more long (namely realizing quickly compacting) then needs is more big, be extremely difficult to us it is generally desirable to the requirement that speed is fast, power is little, compacting 30-100 milli per second does not often reach in energy-conservation, causes insufficient pressure in extrusion process。
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple in construction, can provide the extruder hydraulic appts of enough pressure for extruder。
The technical scheme that this utility model solves above-mentioned technical problem is as follows: a kind of extruder hydraulic appts, including fuel tank, described fuel tank connects the input port of oil pump by inflow pipeline, the delivery outlet of described oil pump connects the first port of solenoid directional control valve by the first pipeline, described first pipeline is provided with the first check valve, described first pipeline between described first check valve and described solenoid directional control valve is respectively communicated with accumulator and pressure switch, second port of described solenoid directional control valve connects with the cavity of resorption of pressurized cylinder, 3rd port of described solenoid directional control valve is respectively communicated with the epicoele of described supercharger and the input of external control sequence valve, the outfan of described external control sequence valve and the supercharging orifice of described pressurized cylinder, 4th port of described solenoid directional control valve connects described fuel tank by second pipe, described second pipe is provided with the second check valve。
The beneficial effects of the utility model are: this utility model adopts pressurized cylinder, the pressure in extrusion process can be improved, and by arranging accumulator, in the ordinary course of things fluid is stored the compression energy being changed into accumulator, when the insufficient pressure of the demand of the pressurized cylinder in extruder, can as extra hydraulic pressure, it is ensured that the hydraulic pressure demand of extruder；When the unexpected fuel feeding of oil pump causes that in pipeline, oil pressure moment increases, accumulator can absorb the energy of this part, normal to ensure whole system pressure。
On the basis of technique scheme, this utility model can also do following improvement。
Further, being connected by overflow pipe between described first pipeline and described second pipe, described overflow pipe is provided with electromagnetic relief valve。
Adopt above-mentioned further scheme to provide the benefit that: the first pipeline is connected by overflow valve with second pipe, when the oil pressure in the first pipeline is excessive, by overflow valve, part oil can be transported to second pipe, it is ensured that the oil pressure of the first pipeline is normal。
Further, described accumulator is piston accumulator, one end of described piston accumulator and described first pipeline communication, and the other end of described piston accumulator connects high pressure gas holder by admission line, and described admission line is provided with air inflow control valve。
Above-mentioned further scheme is adopted to provide the benefit that: accumulator adopts piston accumulator, and one end of accumulator connects high pressure gas holder by pipeline, air pressure can be converted to the hydraulic pressure in tubing, be further ensured that the hydraulic pressure needs of pressurized cylinder。
Further, described inflow pipeline is provided with oil filter。
Above-mentioned further scheme is adopted to provide the benefit that: the impurity that the setting of oil filter is avoided that in fuel tank enters in pressure pipeline and device is caused damage。
Further, described fuel tank is provided with equilibrium air pressure opening, and described equilibrium air pressure opening part is provided with air filter。
Above-mentioned further scheme is adopted to provide the benefit that: the setting of equilibrium air pressure opening can guarantee that the air pressure balance in fuel tank。
Further, described fuel tank is provided with for observing the liquidometer of liquid level in described fuel tank。
Above-mentioned further scheme is adopted to provide the benefit that: arranging of liquidometer facilitates staff to understand the oil mass in fuel tank。
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
In accompanying drawing, the list of parts representated by each label is as follows:
1, fuel tank, 2, inflow pipeline, 3, oil pump, 4, first pipeline, 5, solenoid directional control valve, 5-1, first port, 5-2, second port, 5-3, 3rd port, 5-4, 4th port, 6, first check valve, 7, accumulator, 8, pressure switch, 9, pressurized cylinder, 10, external control sequence valve, 11, second pipe, 12, second check valve, 13, overflow pipe, 14, electromagnetic relief valve, 15, admission line, 16, high pressure gas holder, 17, air inflow control valve, 18, oil filter, 19, equilibrium air pressure opening, 20, air filter, 21, liquidometer。
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present utility model and feature being described, example is served only for explaining this utility model, is not intended to limit scope of the present utility model。
As shown in Figure 1, this utility model includes fuel tank 1, described fuel tank 1 connects the input port of oil pump 3 by inflow pipeline 2, the delivery outlet of described oil pump 3 connects the first port 5-1 of solenoid directional control valve 5 by the first pipeline 4, described first pipeline 4 is provided with the first check valve 6, described first pipeline 4 between described first check valve 6 and described solenoid directional control valve 5 is respectively communicated with accumulator 7 and pressure switch 8, second port 5-2 of described solenoid directional control valve 5 connects with the cavity of resorption of pressurized cylinder 9, 3rd port 5-3 of described solenoid directional control valve 5 is respectively communicated with the epicoele of described supercharger and the input of external control sequence valve 10, the outfan of described external control sequence valve 10 and the supercharging orifice of described pressurized cylinder, 4th port 5-4 of described solenoid directional control valve 5 connects described fuel tank 1 by second pipe 11, described second pipe 11 is provided with the second check valve 12。Being connected by overflow pipe 13 between described first pipeline 4 and described second pipe 11, described overflow pipe 13 is provided with electromagnetic relief valve 14。Described accumulator 7 is piston accumulator 7, one end of described piston accumulator 7 connects with described first pipeline 4, the other end of described piston accumulator 7 connects high pressure gas holder 16 by admission line 15, and described admission line 15 is provided with air inflow control valve 17。Described inflow pipeline 2 is provided with oil filter 18。Described fuel tank 1 is provided with equilibrium air pressure opening 19, and described equilibrium air pressure opening 19 place is provided with air filter 20。Described fuel tank 1 is provided with for observing the liquidometer 21 of liquid level in described fuel tank 1。
This utility model adopts pressurized cylinder 9, the pressure in extrusion process can be improved, and by arranging accumulator 7, in the ordinary course of things fluid is stored the compression energy being changed into accumulator, when the insufficient pressure of the demand of the pressurized cylinder 9 in extruder, can as extra hydraulic pressure, it is ensured that the hydraulic pressure demand of extruder；When the unexpected fuel feeding of oil pump 3 causes that in pipeline, oil pressure moment increases, accumulator 7 can absorb the energy of this part, normal to ensure whole system pressure。First pipeline 4 is connected by overflow valve with second pipe 11, when the oil pressure in the first pipeline 4 is excessive, by overflow valve, part oil can be transported to second pipe 11, it is ensured that the oil pressure of the first pipeline 4 is normal。Accumulator 7 adopts piston accumulator 7, and one end of accumulator 7 connects high pressure gas holder 16 by pipeline, air pressure can be converted to the hydraulic pressure in tubing, be further ensured that the hydraulic pressure needs of pressurized cylinder 9。The impurity that the setting of oil filter 18 is avoided that in fuel tank 1 enters in pressure pipeline and device is caused damage。The setting of equilibrium air pressure opening 19 can guarantee that the air pressure balance in fuel tank 1。Liquidometer 21 the oil mass facilitating staff to understand in fuel tank 1 is set。
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model。
Claims (6)
1. an extruder hydraulic appts, it is characterized in that, including fuel tank (1), described fuel tank (1) connects the input port of oil pump (3) by inflow pipeline (2), the delivery outlet of described oil pump (3) connects first port (5-1) of solenoid directional control valve (5) by the first pipeline (4), described first pipeline (4) is provided with the first check valve (6), described first pipeline (4) between described first check valve (6) and described solenoid directional control valve (5) is respectively communicated with accumulator (7) and pressure switch (8), second port (5-2) of described solenoid directional control valve (5) connects with the cavity of resorption of pressurized cylinder (9), 3rd port (5-3) of described solenoid directional control valve (5) is respectively communicated with the epicoele of described pressurized cylinder (9) and the input of external control sequence valve (10), the outfan of described external control sequence valve (10) and the supercharging orifice of described pressurized cylinder (9), 4th port (5-4) of described solenoid directional control valve (5) connects described fuel tank (1) by second pipe (11), described second pipe (11) is provided with the second check valve (12)。
2. a kind of extruder hydraulic appts according to claim 1, it is characterized in that, by overflow pipe (13) connection between described first pipeline (4) and described second pipe (11), described overflow pipe (13) is provided with electromagnetic relief valve (14)。
3. a kind of extruder hydraulic appts according to claim 1 and 2, it is characterized in that, described accumulator (7) is piston accumulator (7), one end of described piston accumulator (7) connects with described first pipeline (4), the other end of described piston accumulator (7) is by admission line (15) connection high pressure gas holder (16), and described admission line (15) is provided with air inflow control valve (17)。
4. a kind of extruder hydraulic appts according to claim 1 and 2, it is characterised in that described inflow pipeline (2) is provided with oil filter (18)。
5. a kind of extruder hydraulic appts according to claim 1 and 2, it is characterized in that, described fuel tank (1) is provided with equilibrium air pressure opening (19), and described equilibrium air pressure opening (19) place is provided with air filter (20)。
6. a kind of extruder hydraulic appts according to claim 1 and 2, it is characterised in that described fuel tank (1) is provided with the liquidometer (21) for observing described fuel tank (1) interior liquid level。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620081575.5U CN205331072U (en) | 2016-01-27 | 2016-01-27 | Extruder hydraulic means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620081575.5U CN205331072U (en) | 2016-01-27 | 2016-01-27 | Extruder hydraulic means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205331072U true CN205331072U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620081575.5U Active CN205331072U (en) | 2016-01-27 | 2016-01-27 | Extruder hydraulic means |
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| Country | Link |
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| CN (1) | CN205331072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761502A (en) * | 2017-03-10 | 2017-05-31 | 南阳市亚华石油机械有限公司 | Surge mud gate valve control device |
-
2016
- 2016-01-27 CN CN201620081575.5U patent/CN205331072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761502A (en) * | 2017-03-10 | 2017-05-31 | 南阳市亚华石油机械有限公司 | Surge mud gate valve control device |
| CN106761502B (en) * | 2017-03-10 | 2023-11-17 | 南阳市亚华石油机械有限公司 | Hydraulic mud gate valve control device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |