CN209886665U - Oil pan casting machine - Google Patents
Oil pan casting machine Download PDFInfo
- Publication number
- CN209886665U CN209886665U CN201822171724.9U CN201822171724U CN209886665U CN 209886665 U CN209886665 U CN 209886665U CN 201822171724 U CN201822171724 U CN 201822171724U CN 209886665 U CN209886665 U CN 209886665U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- valve
- oil
- hydraulic
- pump station
- 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
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to an oil pan casting machine, which comprises a casting valve group and a pump station; the pouring valve group comprises an inclined cylinder and a die assembly cylinder group, the die assembly cylinder group comprises four die assembly cylinders, hydraulic pipelines of the bottom of the die assembly cylinders and the bottom of the inclined cylinder are communicated with a hard infusion pipeline through a second-level electro-hydraulic servo valve and a third-level electro-hydraulic servo valve respectively, the hard infusion pipeline is connected with a pump station through a turning soft pipe, and the pump station comprises a backflow pump station, a pressure sensing mechanism and an oil transportation detection mechanism. The utility model adopts the multi-station cooperation of the inclined cylinder and the four-group mould cylinder, thereby solving the technical problem of batch production of corresponding products; meanwhile, the multi-line filtering system improves the precision of hydraulic transmission parameters; the pipeline pressure of the oil return pipeline can transmit an electric signal through the pressure sensing mechanism, so that an operator is informed to control oil return parameters through the PLC operating system in time.
Description
Technical Field
The utility model relates to a casting machine, especially an oil pan casting machine.
Background
The pouring is to pour molten metal, concrete and the like into a mold to cast metal parts or form cement boards and concrete buildings, and equipment for executing the processing technology is called a pouring machine which mainly comprises three types of tilting type pouring machines, pneumatic type pouring machines and bottom pouring type pouring machines. The tilting casting machine is mainly applied to the middle and large casting on an air-blast and static pressure molding line, and along with the application of control technologies such as a servo and the like and a plurality of advantages of the tilting casting machine, the tilting casting machine is successfully applied to the small casting on a high-productivity molding line at present.
At present, the degree of automation of a tilting cylinder cover casting machine in China is low, the installation and positioning of a mold are not accurate, the mold is not stable when being opened and closed, and partial technological parameters can not be adjusted. Therefore, the original tilting cylinder cover casting machine needs to be improved to adapt to the changing market demand.
Disclosure of Invention
According to the utility model discloses the technical problem that needs the solution, the utility model provides a stable, semi-automatic regulation and control pouring technology of pouring application of force and multistation automated production's oil pan casting machine of pouring.
In order to solve the technical problem, the utility model provides an oil pan casting machine, which comprises a casting valve group and a pump station; the pouring valve group comprises an inclined cylinder and a die assembly cylinder group, the die assembly cylinder group comprises four die assembly cylinders, hydraulic pipelines of the bottom of the die assembly cylinders and the bottom of the inclined cylinder are communicated with a hard infusion pipeline through a second-level electro-hydraulic servo valve and a third-level electro-hydraulic servo valve respectively, the hard infusion pipeline is connected with a pump station through a turning soft pipe, and the pump station comprises a backflow pump station, a pressure sensing mechanism and an oil transportation detection mechanism.
Furthermore, an electromagnetic valve and a two-way throttle valve are respectively assembled in the cylinder body of the tilting cylinder and the cylinder body of the die assembly cylinder, and the two-way throttle valve is connected with a two-liquid control one-way valve through a hydraulic pipeline.
Furthermore, the pressure sensing mechanism comprises a pressure gauge, the pressure gauge is connected with the oil return pipeline and the oil delivery branch pipeline through a first stop valve, and the oil return pipeline and the oil delivery branch pipeline are respectively provided with a pilot proportional overflow valve and a two-position four-way motorized valve.
Furthermore, the oil return pipeline of the output port of the pressure sensing mechanism is connected with a return pump station through a one-way valve, the return pump station comprises a constant-pressure plunger pump, the constant-pressure plunger pump is connected with a motor through a rotating shaft in a transmission manner, a single-rod piston at the right side end of the constant-pressure plunger pump is connected with an adjustable throttle valve through a pipeline, and the adjustable throttle valve is connected with a spring piston at the left side end of the constant-pressure plunger pump through a pipeline.
Furthermore, the oil delivery detection mechanism comprises an oil delivery main pipeline, a first filter is arranged at the joint of the oil delivery main pipeline and the oil delivery branch pipeline, and a second stop valve, a thermometer, an electric contact pressure gauge and an electric control hydraulic pump are arranged at an input port of the oil delivery main pipeline.
Furthermore, the electric control hydraulic pump is connected with a third filter through a pipeline, an output pipeline of the third filter is connected with a cooling mechanism through a hydraulic control one-way valve, the cooling mechanism is connected with an input port of a second filter through a pipeline, and an output port of the second filter is connected with an oil delivery main pipeline.
After the structure is adopted, compared with the prior art, the multi-station cooperation of the inclined cylinder and the four-group die cylinder is adopted, so that the technical problem of batch production of corresponding products is solved; meanwhile, the multi-line filtering system improves the precision of hydraulic transmission parameters; the pipeline pressure of the oil return pipeline can transmit an electric signal through the pressure sensing mechanism, so that an operator is informed to control oil return parameters through the PLC operating system in time.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the hydraulic schematic diagram of the oil pan casting machine of the utility model.
Fig. 2 is the utility model discloses oil pan casting machine pouring valves structural schematic.
Fig. 3 is the hydraulic schematic diagram of the pressure sensing mechanism of the oil pan casting machine of the utility model.
Fig. 4 is the utility model discloses the structure schematic diagram of oil pan casting machine oil return pump station.
Fig. 5 is the utility model discloses oil pan casting machine oil transportation detection mechanism schematic diagram.
In the figure: 1 is a tilting cylinder, 1-1 is an electromagnetic valve, 1-2 is a three-level electro-hydraulic servo valve, 2 is a mold closing cylinder group, 2-1 is a two-level electro-hydraulic servo valve, 2-2 is a two-way throttle valve, 2-3 is a double-hydraulic control one-way valve, 3 is a mold closing cylinder, 4 is an oil return pipeline, 5 is an oil delivery branch pipeline, 6 is a hard infusion pipeline, 7 is a turning soft pipeline, 8 is a pressure sensing mechanism, 8-1 is a pilot proportional overflow valve, 8-2 is a two-position four-way motorized valve, 8-3 is a first stop valve, 8-4 is a pressure gauge, 9 is a return pump station, 9-1 is a one-way valve, 9-2 is an adjustable throttle valve, 9-3 is a constant pressure plunger pump, 9-4 is an electric motor, 10 is a first filter, 11 is a second filter, 12 is an oil delivery main pipeline, and 13 is a third filter, 13-1 is a hydraulic control one-way valve, 14 is an electric contact pressure gauge, 15 is a thermometer, 16 is a fourth filter, 17 is a second stop valve, 18 is an electric control hydraulic pump, 19 is an oil delivery detection mechanism, 20 is a pouring valve group, and 21 is a pump station.
Detailed Description
As shown in fig. 1 and 2, an oil pan casting machine comprises a casting valve group and a pump station; pouring valves 20 is including slope jar 1, compound die cylinder group 2 includes four compound die jars 3, the hydraulic line of compound die jar 3 and 1 bottom of slope jar is connected with stereoplasm infusion pipeline 6 through second grade electro-hydraulic servo valve 2-1 and tertiary electro-hydraulic servo valve 1-2 respectively, stereoplasm infusion pipeline 6 is connected with pump station 21 through diversion soft pipe 7, pump station 21 includes backflow pump station 9, pressure sensing mechanism 8 and oil transportation detection mechanism 19. Wherein, the utility model discloses a pouring cooperation of slope jar 1 and four compound die jars 3, but large batch production oil drain pan. Meanwhile, a second-stage electro-hydraulic servo valve 2-1 and a third-stage electro-hydraulic servo valve 1-2 which are arranged on hydraulic pipelines at the bottoms of the die clamping cylinder 3 and the tilting cylinder 1 can improve dynamic response. The control method also has a high-precision standard. The hydraulic pipeline is connected with a pump station 21 along the hard infusion pipeline 6. The production purpose is completed through a series of processes of a return pump station 9 in a pump station 21, a pressure sensing mechanism 8, an oil transportation detection mechanism 19 and the like.
As shown in fig. 1 and 2, the tilt cylinder 1 and the clamping cylinder 3 are internally provided with an electromagnetic valve 1-1 and a two-way throttle valve 2-2 respectively, and the two-way throttle valve 2-2 is connected with a two-way pilot check valve 2-3 through a hydraulic pipeline. The two-way locking loop process of the hydraulic control one-way valve is completed through the two hydraulic control one-way valves 2-3, so that the sealing performance of the structure can be improved, and leakage is prevented. Meanwhile, in the process of locking the loop, the mode can control the piston in the machine body to be locked at any position, and is very convenient and fast.
As shown in fig. 1 and 3, the pressure sensing mechanism 8 includes a pressure gauge 8-4, the pressure gauge 8-4 is connected to the oil return pipeline 4 and the oil delivery branch pipeline 5 through a first stop valve 8-3, and the oil return pipeline 4 and the oil delivery branch pipeline 5 are respectively provided with a pilot proportional overflow valve 8-1 and a two-position four-way motorized valve 8-2. The pressure condition of the hydraulic oil in the pipeline can directly reflect the operation condition of the hydraulic working procedure. A pilot proportional overflow valve 8-1 and a two-position four-way motorized valve 8-2 are respectively arranged on the oil return pipeline 4 and the oil delivery branch pipeline 5; the pilot proportional relief valve 8-1 is used for maintaining the stability of the pressure in the pipe in the process of realizing the relief of the hydraulic oil. The two-position four-way motorized valve 8-2 has the advantages of simple structure, reliable action, convenient maintenance, good sealing performance, pollution resistance, vibration resistance, long service life and the like. Meanwhile, the working heat source can manually control oil return through the displayed parameters of the pressure gauge 8-4.
As shown in fig. 1 and 4, the oil return pipeline 4 at the output port of the pressure sensing mechanism 8 is connected with a return pump station 9 through a one-way valve 9-1, the return pump station 9 comprises a constant pressure plunger pump 9-3, the constant pressure plunger pump 9-3 is in transmission connection with a motor 9-4 through a rotating shaft, a single-rod piston at the right side end of the constant pressure plunger pump 9-3 is connected with an adjustable throttle valve 9-2, and the adjustable throttle valve 9-2 is in ejection connection with a spring piston at the left side end of the constant pressure plunger pump 9-3 through a pipeline. The whole oil return system can reciprocate in the cylinder body through the inner plunger of the constant-pressure plunger pump 9-3, so that the volume of the sealed working cavity is changed to absorb and press oil. The constant pressure plunger pump 9-3 has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like.
As shown in fig. 1 and 5, the oil delivery detection mechanism 19 includes an oil delivery main pipe 12, a first filter 10 is installed at a junction of the oil delivery main pipe 12 and the oil delivery branch pipe 5, and a second stop valve 17, a temperature gauge 15, an electric contact pressure gauge 14 and an electrically controlled hydraulic pump 18 are installed at an input port of the oil delivery main pipe 12. At the head end of the main oil delivery pipeline 12, the worker can manually adjust the oil pressure in the main oil delivery pipeline 12 in time through information prompt of tools such as a thermometer 15 and an electric contact pressure gauge 14. Thereby ensuring that the main oil delivery pipeline 12 has a good hydraulic environment.
As shown in fig. 1 and 5, the electrically controlled hydraulic pump 18 is connected to the third filter 13 through a pipeline, an output pipeline of the third filter 13 is connected to a cooling mechanism through a pilot-controlled check valve 13-1, the cooling mechanism is connected to an input port of the second filter 11 through a pipeline, and an output port of the second filter 11 is connected to the main oil delivery pipeline 12. The two-stage electro-hydraulic servo valve 2-1 and the three-stage electro-hydraulic servo valve 1-2 which are arranged on the hydraulic pipelines at the bottoms of the die clamping cylinder 3 and the tilting cylinder 1 are important components of the whole hydraulic process, and the two-stage electro-hydraulic servo valve 2-1 and the three-stage electro-hydraulic servo valve 1-2 have extremely high requirements on the oil quality of hydraulic oil; therefore, the filtering of the hydraulic oil is very important.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (6)
1. An oil pan casting machine comprises a casting valve group and a pump station; the method is characterized in that: pouring valves (20) are including slope jar (1), compound die cylinder group (2) are including four compound die jar (3), the hydraulic circuit of compound die jar (3) and slope jar (1) bottom is respectively through second grade electro-hydraulic servo valve (2-1) and tertiary electro-hydraulic servo valve (1-2) and hard infusion pipeline (6) switch-on, hard infusion pipeline (6) are connected with pump station (21) through diversion soft matter pipe (7), pump station (21) are including return pump station (9), pressure sensing mechanism (8) and oil transfer detection mechanism (19).
2. The sump caster of claim 1, wherein: the electromagnetic valve (1-1) and the two-way throttle valve (2-2) are respectively assembled in the cylinder bodies of the tilting cylinder (1) and the die clamping cylinder (3), and the two-way throttle valve (2-2) is connected with the two-hydraulic control one-way valve (2-3) through a hydraulic pipeline.
3. The sump caster of claim 1, wherein: the pressure sensing mechanism (8) comprises a pressure gauge (8-4), the pressure gauge (8-4) is connected with the oil return pipeline (4) and the oil delivery branch pipeline (5) through a first stop valve (8-3), and the oil return pipeline (4) and the oil delivery branch pipeline (5) are respectively provided with a pilot proportional overflow valve (8-1) and a two-position four-way motorized valve (8-2).
4. The sump caster of claim 3, wherein: the oil return pipeline (4) of the output port of the pressure sensing mechanism (8) is connected with the return pump station (9) through a one-way valve (9-1), the return pump station (9) comprises a constant-pressure plunger pump (9-3), the constant-pressure plunger pump (9-3) is in transmission connection with a motor (9-4) through a rotating shaft, a single-rod piston at the right side end of the constant-pressure plunger pump (9-3) is connected with an adjustable throttle valve (9-2), and the adjustable throttle valve (9-2) is connected with a spring piston at the left side end of the constant-pressure plunger pump (9-3) through a pipeline in a pushing mode.
5. The sump caster of claim 1, wherein: the oil transportation detection mechanism (19) comprises an oil transportation main pipeline (12), a first filter (10) is installed at the joint of the oil transportation main pipeline (12) and the oil transportation branch pipeline (5), and a second stop valve (17), a thermometer (15), an electric contact pressure gauge (14) and an electric control hydraulic pump (18) are installed at the input port of the oil transportation main pipeline (12).
6. The sump caster of claim 5, wherein: the electric control hydraulic pump (18) is connected with a third filter (13) through a pipeline, an output pipeline of the third filter (13) is connected with a cooling mechanism through a hydraulic control one-way valve (13-1), the cooling mechanism is connected with an input port of a second filter (11) through a pipeline, and an output port of the second filter (11) is connected with an oil delivery main pipeline (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822171724.9U CN209886665U (en) | 2018-12-24 | 2018-12-24 | Oil pan casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822171724.9U CN209886665U (en) | 2018-12-24 | 2018-12-24 | Oil pan casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209886665U true CN209886665U (en) | 2020-01-03 |
Family
ID=68989474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822171724.9U Active CN209886665U (en) | 2018-12-24 | 2018-12-24 | Oil pan casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209886665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570479A (en) * | 2018-12-24 | 2019-04-05 | 常州卡斯特铝精密铸造科技有限公司 | Oil sump casting machine |
-
2018
- 2018-12-24 CN CN201822171724.9U patent/CN209886665U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570479A (en) * | 2018-12-24 | 2019-04-05 | 常州卡斯特铝精密铸造科技有限公司 | Oil sump casting machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109570479A (en) | Oil sump casting machine | |
| CN104942087B (en) | Electro-hydraulic synchronous bending machine and control method thereof | |
| CN204476884U (en) | A kind of hydraulic system of polyurethane handrail joint moulding press | |
| CN107234201B (en) | A kind of heavily loaded forging equipment Hydraulic system and control method that feed speed is controllable | |
| CN209886665U (en) | Oil pan casting machine | |
| CN105058833A (en) | Numerical control hydraulic machine | |
| CN205013408U (en) | Differential hydraulic control device is entirely cut to steel scrap | |
| CN101913086B (en) | Leak-free hydraulic system of mobile workbench | |
| CN205243974U (en) | Suppress hydraulic press hydraulic system fast | |
| CN205219514U (en) | Intelligence accuse temperature forming die | |
| CN202021343U (en) | Hydraulic system variable control device for automatic wet press for magnetic materials | |
| CN208236794U (en) | A kind of single cylinder positioning power unit | |
| CN203743128U (en) | Hydraulic system of automobile fuel tank flanging machine | |
| CN104196783A (en) | Integrated series cylinder synchronous hydraulic system for bending machine | |
| CN204998014U (en) | Numerical control hydraulic press | |
| CN203210642U (en) | Corner connecting machine of rubber sealing strips | |
| CN202399562U (en) | Safety protection hydraulic system for fine blanking die of fine blanking press | |
| CN206035929U (en) | Large -scale plate shearing machine hydraulic control system | |
| CN201950795U (en) | Hydraulic system of rain boots injection molding machine | |
| CN104100587A (en) | Self-correction dual-hydraulic cylinder synchronizing system | |
| CN210387563U (en) | Control system of gravity casting machine | |
| CN203048491U (en) | Electro-hydraulic synchronous hoisting system with multiple hydraulic cylinders | |
| CN201559221U (en) | Stop iron mechanism of guillotine | |
| CN205533493U (en) | Remote synchronous hydraulic control system | |
| CN104439005A (en) | Power recovery matching type pump-controlled hydraulic control system of oil press |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |