CN213360664U - Hydraulic system for low-pressure casting machine - Google Patents
Hydraulic system for low-pressure casting machine Download PDFInfo
- Publication number
- CN213360664U CN213360664U CN202021948474.6U CN202021948474U CN213360664U CN 213360664 U CN213360664 U CN 213360664U CN 202021948474 U CN202021948474 U CN 202021948474U CN 213360664 U CN213360664 U CN 213360664U
- Authority
- CN
- China
- Prior art keywords
- oil
- pipeline
- hydraulic
- fuel tank
- tank
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a hydraulic system for low pressure casting machine, it includes: a fuel tank assembly; an oil absorption assembly; an oil return assembly; the oil way block comprises a pipeline a and a pipeline b, a plurality of groups of first electro-hydraulic reversing valves which are communicated with the pipeline a and the pipeline b and connected in parallel with each other, a plurality of groups of second electro-hydraulic reversing valves which are communicated with the pipeline a and the pipeline b and connected with the first electro-hydraulic reversing valves in parallel, and a plurality of groups of hydraulic control one-way valves connected with the second electro-hydraulic reversing valves in a one-to-one correspondence manner, wherein the pipeline a and the pipeline b are communicated with the oil outlet pipe, and the pipeline b is communicated with the oil return pipe. The hydraulic driving piece with different specifications can be externally connected, and the hydraulic control one-way valve is used for avoiding large oil pressure fluctuation, so that the hydraulic driving piece is better matched with a low-pressure casting machine.
Description
Technical Field
The utility model belongs to the hydraulic system field, concretely relates to hydraulic system for low pressure casting machine.
Background
Chinese patent application No. 201811444943.8 discloses a hydraulic system which is provided for a molding machine, in particular for a die casting machine, and which comprises a pressure medium source, a tank, a spray cylinder which has a piston, a piston rod and a first pressure chamber which acts in the direction of displacement of the piston rod and to which pressure medium can be supplied from the pressure medium source, and an outflow valve which has a high-pressure connection and a low-pressure connection which can be connected to the high-pressure connection and which is connected with the high-pressure connection to an annular second pressure chamber which acts in the direction of displacement of the piston rod of the spray cylinder, and from whose low-pressure connection a fluid path leads to the tank. However, the hydraulic system has poor adaptability with a low-pressure casting machine and large force application fluctuation.
Disclosure of Invention
The utility model aims at providing a hydraulic system for low pressure casting machine in order to solve the shortcoming that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a hydraulic system for a low pressure casting machine, comprising:
the fuel tank assembly comprises a fuel tank, an air filter arranged on the fuel tank, a liquid level meter arranged on the side wall of the fuel tank, a temperature sensor arranged on the fuel tank and extending into the fuel tank, and a liquid level relay arranged on the fuel tank and extending into the fuel tank;
the oil suction assembly comprises an oil outlet pipe communicated with the oil tank and extending out of the oil tank, an oil suction filter arranged at the end part of the oil outlet pipe and positioned in the oil tank, an oil pump arranged on the oil outlet pipe and positioned out of the oil tank, and a motor connected with the oil pump through a coupler;
the oil return assembly comprises an oil return pipe communicated with the oil tank and extending to the outside of the oil tank, an oil return filter arranged on the oil return pipe and positioned outside the oil tank, and a water cooler arranged on the oil return pipe and positioned at the upstream of the oil return filter;
the oil way block comprises a pipeline a and a pipeline b, a plurality of groups of first electro-hydraulic reversing valves which are communicated with the pipeline a and the pipeline b and connected in parallel with each other, a plurality of groups of second electro-hydraulic reversing valves which are communicated with the pipeline a and the pipeline b and connected with the first electro-hydraulic reversing valves in parallel, and a plurality of groups of hydraulic control one-way valves connected with the second electro-hydraulic reversing valves in a one-to-one correspondence manner, wherein the pipeline a and the pipeline b are communicated with the oil outlet pipe, and the pipeline b is communicated with the oil return pipe.
Optimally, the oil absorption assembly further comprises a pressure gauge switch arranged at the end part of the oil outlet pipe and a pressure gauge connected with the pressure gauge switch.
Optimally, the flow dividing assembly further comprises a threaded overflow valve which is arranged on the pipeline b and is positioned between the oil outlet pipe and the second electro-hydraulic reversing valve.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses hydraulic system for low pressure casting machine cooperates through oil tank subassembly, oil absorption subassembly, oil return subassembly and reposition of redundant personnel subassembly etc. that adopt specific structure, can external different specifications's hydraulic drive spare to avoid the oil pressure fluctuation great with the help of liquid accuse check valve, thereby better with low pressure casting machine looks adaptation.
Drawings
Fig. 1 is a wiring layout diagram of the hydraulic system for the low pressure casting machine of the present invention.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
The hydraulic system for the low-pressure casting machine shown in fig. 1 mainly comprises an oil tank assembly, an oil suction assembly, an oil return assembly, a flow dividing assembly and the like.
The fuel tank assembly comprises a fuel tank 1, an air cleaner 2 mounted on the fuel tank 1, a liquid level meter 3 mounted on a side wall of the fuel tank 1, a temperature sensor 4 mounted on the fuel tank 1 and extending into it, and a liquid level relay 18 mounted on the fuel tank 1 and extending into it. The oil absorption assembly comprises an oil outlet pipe communicated with the oil tank 1 and extending outside the oil tank, an oil absorption filter 5 arranged at the end part of the oil outlet pipe and positioned in the oil tank 1, an oil pump 7 arranged on the oil outlet pipe and positioned outside the oil tank 1, and a motor 8 connected with the oil pump 7 through a coupler 9. The oil return assembly comprises an oil return pipe communicated with the oil tank 1 and extending to the outside of the oil tank, an oil return filter 17 arranged on the oil return pipe and positioned outside the oil tank 1, and a water cooler 6 arranged on the oil return pipe and positioned at the upstream of the oil return filter 17. The flow dividing assembly comprises an oil circuit block 16 with a pipeline a and a pipeline b, a plurality of groups of first electro-hydraulic reversing valves 11 (connected with a hydraulic cylinder) which are communicated with the pipeline a and the pipeline b and are connected in parallel with each other, a plurality of groups of second electro-hydraulic reversing valves 12 which are communicated with the pipeline a and the pipeline b and are connected with the first electro-hydraulic reversing valves 11 in parallel, and hydraulic control one-way valves 19 (connected with the hydraulic cylinder) which are connected with the groups of second electro-hydraulic reversing valves 12 in a one-to-one correspondence mode, wherein the pipeline a and the pipeline b are both communicated with an oil outlet pipe, and the pipeline b. The hydraulic drive piece (namely the hydraulic cylinder) of different specifications can be connected externally like this to avoid the oil pressure fluctuation great with the help of hydraulically controlled check valve, thereby better with low pressure casting machine looks adaptation.
In this embodiment, the oil suction assembly further includes a pressure gauge switch 13 installed at the end of the oil outlet pipe and a pressure gauge 14 connected to the pressure gauge switch 13. The flow splitting assembly also comprises a threaded overflow valve 10 which is arranged on the pipeline b and is positioned between the oil outlet pipe and a second electro-hydraulic reversing valve 12; so as to ensure the pressure in the hydraulic system for the low-pressure casting machine to be stable.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (3)
1. A hydraulic system for a low-pressure casting machine is characterized by comprising:
the fuel tank assembly comprises a fuel tank (1), an air filter (2) mounted on the fuel tank (1), a liquid level meter (3) mounted on the side wall of the fuel tank (1), a temperature sensor (4) mounted on the fuel tank (1) and extending into the fuel tank, and a liquid level relay (18) mounted on the fuel tank (1) and extending into the fuel tank;
the oil absorption assembly comprises an oil outlet pipe communicated with the oil tank (1) and extending to the outside of the oil tank, an oil absorption filter (5) arranged at the end part of the oil outlet pipe and positioned in the oil tank (1), an oil pump (7) arranged on the oil outlet pipe and positioned outside the oil tank (1) and a motor (8) connected with the oil pump (7) through a coupler (9);
the oil return assembly comprises an oil return pipe communicated with the oil tank (1) and extending to the outside of the oil tank, an oil return filter (17) installed on the oil return pipe and located outside the oil tank (1), and a water cooler (6) installed on the oil return pipe and located at the upstream of the oil return filter (17);
the oil way block (16) that the reposition of redundant personnel subassembly, the reposition of redundant personnel subassembly including having pipeline an and pipeline b, with pipeline a and pipeline b are linked together and the first electric-hydraulic directional valve (11) of multiunit that connect in parallel each other, with pipeline an and pipeline b are linked together and with first electric-hydraulic directional valve (11) parallelly connected multiunit second electric-hydraulic directional valve (12) and with the multiunit second electric-hydraulic directional valve (12) one-to-one connection, pipeline a with pipeline b all with go out oil pipe and be linked together, pipeline b with it is linked together to return oil pipe.
2. The hydraulic system for a low-pressure casting machine according to claim 1, characterized in that: the oil absorption assembly further comprises a pressure gauge switch (13) arranged at the end of the oil outlet pipe and a pressure gauge (14) connected with the pressure gauge switch (13).
3. The hydraulic system for a low-pressure casting machine according to claim 1, characterized in that: the flow dividing assembly further comprises a threaded overflow valve (10) which is arranged on the pipeline b and is positioned between the oil outlet pipe and the second electro-hydraulic reversing valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021948474.6U CN213360664U (en) | 2020-09-08 | 2020-09-08 | Hydraulic system for low-pressure casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021948474.6U CN213360664U (en) | 2020-09-08 | 2020-09-08 | Hydraulic system for low-pressure casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213360664U true CN213360664U (en) | 2021-06-04 |
Family
ID=76151240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021948474.6U Active CN213360664U (en) | 2020-09-08 | 2020-09-08 | Hydraulic system for low-pressure casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213360664U (en) |
-
2020
- 2020-09-08 CN CN202021948474.6U patent/CN213360664U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2014019272A1 (en) | Membrane seawater desalination pressurization and energy recovery integrated method and device | |
| CN213360664U (en) | Hydraulic system for low-pressure casting machine | |
| US20190219051A1 (en) | Suction manifold for hydraulic fracturing pump | |
| CN102003432B (en) | Electro-hydraulic actuator | |
| CN1757915A (en) | Ground dual-pressure hydraulic filling booster pump | |
| CN213655331U (en) | Hydraulic system for condenser forming machine | |
| CN213206179U (en) | Servo hydraulic system of cast aluminum forming machine | |
| CN213655275U (en) | Hydraulic system for small-sized sheet metal forming machine | |
| CN206054421U (en) | A kind of portable power driven hydraulic pump valve board structure | |
| CN201106589Y (en) | Variable plunger pump for drilling machine | |
| CN210153011U (en) | Double-oil pump system of large bending machine | |
| CN201874923U (en) | Electro-hydraulic actuator | |
| CN213655333U (en) | Hydraulic system for refrigerator die carrier | |
| CN219262814U (en) | Forging press pressurization forging return hydraulic control system | |
| CN213235635U (en) | High-efficiency hydraulic system | |
| CN213360665U (en) | High-automation hydraulic system for condenser forming machine | |
| CN213648392U (en) | Hydraulic system for polyurethane foaming machine | |
| CN213655334U (en) | Hydraulic system for freeze dryer | |
| CN2921657Y (en) | Flow and pressure integrated water supply control system | |
| CN200993082Y (en) | Hydraulic high pressure plunger pump | |
| CN213235645U (en) | Hydraulic mechanism for forming automotive interior | |
| CN201437803U (en) | Electro-hydraulic power pump station of drive hydraulic actuator | |
| CN1120305C (en) | Two-way supercharger | |
| CN2615367Y (en) | Hand-operated pump | |
| CN220539986U (en) | Press hydraulic system for extrusion molding of automobile stabilizer bar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |