CN109570479A - Oil sump casting machine - Google Patents
Oil sump casting machine Download PDFInfo
- Publication number
- CN109570479A CN109570479A CN201811580895.5A CN201811580895A CN109570479A CN 109570479 A CN109570479 A CN 109570479A CN 201811580895 A CN201811580895 A CN 201811580895A CN 109570479 A CN109570479 A CN 109570479A
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- Prior art keywords
- valve
- oil
- pumping plant
- cylinder
- connect
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
Abstract
The present invention relates to a kind of oil sump casting machines, including casting valve group and pumping plant；The casting valve group includes inclined cylinder, closing cylinder group, the closing cylinder group includes four closing cylinders, the closing cylinder and the fluid pressure line of inclined cylinder bottom pass through second level electrohydraulic servo valve and three-level electrohydraulic servo valve respectively and hard infusion pipeline is connected, the hard infusion pipeline is connect by the soft pipe of deflecting with pumping plant, and the pumping plant includes reflux pumping plant, pressure sensing mechanism and oil transportation testing agency.The present invention is cooperated using inclined cylinder and four combination die cylinder multistation, solves the technical issues of corresponding product batch production；The filtration system of multi-line improves the precision of hydraulic drive parameter simultaneously；The loine pressure of oil return line can be via pressure sensing mechanism transmission telecommunications number, so that operator be notified to pass through PLC operating system control oil return parameter in time.
Description
Technical field
The present invention relates to casting machine, especially a kind of oil sump casting machine.
Background technique
Casting is the injection mold such as molten metal, concrete to be carried out the casting or cement plate and coagulation civil engineering of metal parts
The molding built, executes the equipment of the processing technology casting machine, casting machine mainly have tilting type casting machine, vapour-pressure type casting machine,
Bottom pouring type pouring machine three categories.Tilting type casting machine be mainly used on gas punching and static pressure molding line in big part casting, with
The plurality of advantages that the application of the control technologies such as servo and tilting type casting machine have, tilting type casting machine has been applied successfully at present
In the smallclothes casting on high production rate mo(u)lding line.
Currently, domestic tilting type cylinder cap casting machine the degree of automation is low, mold installation positioning is inaccurate, when open-close module not
Steadily, and some processes parameter cannot adjust.Therefore, original tilting type cylinder cap casting machine is needed to improve to adapt to constantly
The market demand of variation.
Summary of the invention
The technical issues that need to address according to the present invention, the present invention provides a kind of casting force application stabilizations, semi-automatic regulation
The oil sump casting machine of pouring technology and Multi-station automatic production.
In order to solve the above technical problems, the present invention provides a kind of oil sump casting machines, including casting valve group and pumping plant；
The casting valve group includes inclined cylinder, closing cylinder group, and the closing cylinder group includes four closing cylinders, the closing cylinder and inclined cylinder
The fluid pressure line of bottom passes through second level electrohydraulic servo valve and three-level electrohydraulic servo valve respectively and hard infusion pipeline is connected, described hard
Matter infusion pipeline is connect by the soft pipe of deflecting with pumping plant, and the pumping plant includes reflux pumping plant, pressure sensing mechanism and oil transportation inspection
Survey mechanism.
Further, it is respectively fitted with solenoid valve and bidirectional throttling valve in the inclined cylinder and closing cylinder cylinder body, it is described two-way
Throttle valve is connect by fluid pressure line with dual hydraulic control one-way valve.
Further, the pressure sensing mechanism includes pressure gauge, and the pressure gauge passes through the first shut-off valve and oil return pipe
Road is connected with oil transportation branch pipeline, is separately installed with guide proportion overflow valve and two four on the oil return line and oil transportation bye-pass
Logical motor valve.
Further, the oil return line of the pressure sensing mechanism output port is connect by check valve with reflux pumping plant,
The reflux pumping plant includes constant pressure plunger pump, and the constant pressure plunger pump is connect by shaft with electric-motor drive, the constant pressure column
For the single-rod piston of plug pump right-hand end by connecting with adjustable throttling, the adjustable throttling is left by pipeline and constant pressure plunger pump
The spring piston ejection of side connects.
Further, the oil transportation testing agency includes oil transportation main line, the oil transportation main line and oil transportation bye-pass
Junction is equipped with first filter, and the oil transportation main line input port is equipped with the second shut-off valve, thermometer, electric contact pressure
Power table and electrical control hydraulic pump.
Further, the electrical control hydraulic pump is connect by pipeline with third filter, the output of the third filter
Pipeline is connect by hydraulic control one-way valve with cooling body, and the cooling body is connected by pipeline and the second filter inlet port
It connects, the output port of second filter is connect with oil transportation main line.
After adopting the above structure, compared with prior art, the present invention is matched using inclined cylinder and four combination die cylinder multistation
It closes, solves the technical issues of corresponding product batch production；The filtration system of multi-line improves hydraulic drive parameter simultaneously
Precision；The loine pressure of oil return line can be via pressure sensing mechanism transmission telecommunications number, so that operator be notified to pass through in time
PLC operating system controls oil return parameter.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the hydraulic schematic diagram of oil sump casting machine of the present invention.
Fig. 2 is that oil sump casting machine of the present invention is poured valve group structural schematic diagram.
Fig. 3 is oil sump casting machine pressure sensing mechanism hydraulic schematic diagram of the present invention.
Fig. 4 is the structural schematic diagram of oil sump casting machine oil return pumping plant of the present invention.
Fig. 5 is oil sump casting machine oil transportation testing agency of the present invention structural schematic diagram.
In figure: 1 is inclined cylinder, 1-1 is solenoid valve, 1-2 is three-level electrohydraulic servo valve, 2 be closing cylinder group, 2-1 is second level
Electrohydraulic servo valve, 2-2 are bidirectional throttling valve, 2-3 is dual hydraulic control one-way valve, 3 is closing cylinder, 4 is oil return line, 5 is oil transportation branch
Pipeline, 6 be hard infusion pipeline, 7 be the soft pipeline of deflecting, 8 be pressure sensing mechanism, 8-1 is guide proportion overflow valve, 8-2
Be the first shut-off valve for two-position four-way motor valve, 8-3,8-4 be pressure gauge, 9 be reflux pumping plant, 9-1 be check valve, 9-2 is can
Flow regulating valve, 9-3 are constant pressure plunger pump, 9-4 is motor, 10 is first filter, 11 is the second filter, 12 is oil transportation master
Pipeline, 13 be third filter, 13-1 is hydraulic control one-way valve, 14 is electro connecting pressure gauge, 15 is thermometer, 16 is the 4th filtering
Device, 17 be the second shut-off valve, 18 be electrical control hydraulic pump, 19 be oil transportation testing agency, 20 be casting valve group, 21 be pumping plant.
Specific embodiment
As depicted in figs. 1 and 2, a kind of oil sump casting machine, including casting valve group and pumping plant；The casting valve group 20 includes
Inclined cylinder 1, closing cylinder group 2, the closing cylinder group 2 include four closing cylinders 3,1 bottom of the closing cylinder 3 and inclined cylinder it is hydraulic
Pipeline passes through second level electrohydraulic servo valve 2-1 and three-level electrohydraulic servo valve 1-2 respectively and hard infusion pipeline 6 is connected, the hard
Infusion pipeline 6 is connect by the soft pipe 7 of deflecting with pumping plant 21, and the pumping plant 21 includes reflux pumping plant 9,8 and of pressure sensing mechanism
Oil transportation testing agency 19.Wherein, the present invention, can large batch of production oil by the casting cooperation of inclined cylinder 1 and four closing cylinders 3
Bottom case.Meanwhile the second level electrohydraulic servo valve 2-1 and three-level electro-hydraulic servo of the fluid pressure line installation of 1 bottom of closing cylinder 3 and inclined cylinder
Valve 1-2, can be improved dynamic response.Also has high-precision standard in terms of control.Fluid pressure line is along hard perfusion tube
Road 6 is connect with pumping plant 21.Pass through a series of works such as pumping plant 9, pressure sensing mechanism 8 and oil transportation testing agency 19 that flow back in pumping plant 21
Sequence completes production purpose.
As depicted in figs. 1 and 2, solenoid valve 1-1 and two-way section are respectively fitted in 3 cylinder body of the inclined cylinder 1 and closing cylinder
Valve 2-2 is flowed, the bidirectional throttling valve 2-2 is connect by fluid pressure line with dual hydraulic control one-way valve 2-3.Wherein, pass through double hydraulic control list
The process for completing hydraulic control one-way valve bidirectional locking circuit to valve 2-3, can be improved the sealing performance of structure, pre- anti-leak in this way.
Simultaneously during circuit is locked, which can control the intracorporal piston of machine to be locked at an arbitrary position, extremely convenient.
As shown in figures 1 and 3, the pressure sensing mechanism 8 includes pressure gauge 8-4, and the pressure gauge 8-4 passes through first section
Only valve 8-3 is connect with oil return line 4 and oil transportation branch pipeline 5, is separately installed with elder generation on the oil return line 4 and oil transportation bye-pass 5
Lead proportional pressure control valve 8-1 and two-position four-way motor valve 8-2.Wherein, the pressure condition of channel interior hydraulic oil can direct reaction solution
Press the functioning condition of process.Guide proportion overflow valve 8-1 and two four are separately installed on oil return line 4 and oil transportation bye-pass 5
Logical motor valve 8-2；And guide proportion overflow valve 8-1 has during realizing hydraulic oil overflow, maintains overpressure
Stablize.And two-position four-way motor valve 8-2 has structure simple, reliable in action, easy to maintenance, good seal performance, resistant, resistance to
Vibration, the advantages that service life is long.Oil return can be manually controlled by the parameter of the display of pressure gauge 8-4 by working at the same time heat source.
As shown in Figure 1 and Figure 4, the oil return line 4 of 8 output port of pressure sensing mechanism by check valve 9-1 and returns
It flows pumping plant 9 to connect, the reflux pumping plant 9 includes constant pressure plunger pump 9-3, and the constant pressure plunger pump 9-3 passes through shaft and motor
9-4 transmission connection, the single-rod piston of the constant pressure plunger pump 9-3 right-hand end is described adjustable by connecting with adjustable throttling 9-2
Throttle valve 9-2 is connect by pipeline with the spring piston ejection of constant pressure plunger pump 9-3 left-hand end.Wherein, entire oil return system can
It is moved back and forth in cylinder body by constant pressure plunger pump 9-3 inner plunger, so that the volume of seal operation cavity is changed to realize and inhale
Oil, pressure oil.Constant pressure plunger pump 9-3 has the advantages that rated pressure is high, compact-sized, high-efficient and flow is easy to adjust.
As shown in Figure 1 and Figure 5, the oil transportation testing agency 19 includes oil transportation main line 12, the oil transportation main line 12 with
The junction of oil transportation bye-pass 5 is equipped with first filter 10, and 12 input port of oil transportation main line is equipped with the second cut-off
Valve 17, thermometer 15, electro connecting pressure gauge 14 and electrical control hydraulic pump 18.Wherein, then the head end of oil transportation main line 12, staff
It can timely be manually adjusted in oil transportation main line 12 by the information alert of the tools such as thermometer 15, electro connecting pressure gauge 14
Oil pressure.To guarantee that oil transportation main line 12 has good hydraulic environment.
As shown in Figure 1 and Figure 5, the electrical control hydraulic pump 18 is connect by pipeline with third filter 13, the third mistake
The output pipe of filter 13 is connect by hydraulic control one-way valve 13-1 with cooling body, and the cooling body passes through pipeline and the second mistake
The connection of 11 input port of filter, the output port of second filter 11 are connect with oil transportation main line 12.Wherein, closing cylinder 3
The second level electrohydraulic servo valve 2-1 and three-level electrohydraulic servo valve 1-2 installed with the fluid pressure line of 1 bottom of inclined cylinder is entire hydraulic work
Sequence important component, and second level electrohydraulic servo valve 2-1 and three-level electrohydraulic servo valve 1-2 require pole to the oil of hydraulic oil
It is high；Therefore, the filtering of hydraulic oil then seems particularly important.
Although specific embodiments of the present invention have been described above, those skilled in the art should be appreciated that this
It is merely illustrative of, various changes or modifications can be made to present embodiment, without departing from the principle and substance of the present invention,
Protection scope of the present invention is only limited by the claims that follow.
Claims (6)
1. a kind of oil sump casting machine, including casting valve group and pumping plant；It is characterized in that: the casting valve group (20) includes inclined cylinder
(1), closing cylinder group (2), the closing cylinder group (2) include four closing cylinders (3), the closing cylinder (3) and inclined cylinder (1) bottom
Fluid pressure line pass through second level electrohydraulic servo valve (2-1) and three-level electrohydraulic servo valve (1-2) respectively and connect with hard infusion pipeline (6)
Logical, the hard infusion pipeline (6) is connect by the soft pipe of deflecting (7) with pumping plant (21), and the pumping plant (21) includes reflux pump
It stands (9), pressure sensing mechanism (8) and oil transportation testing agency (19).
2. oil sump casting machine according to claim 1, it is characterized in that: in the inclined cylinder (1) and closing cylinder (3) cylinder body
It is respectively fitted with solenoid valve (1-1) and bidirectional throttling valve (2-2), the bidirectional throttling valve (2-2) passes through fluid pressure line and biliquid
Control check valve (2-3) connection.
3. oil sump casting machine according to claim 1, it is characterized in that: the pressure sensing mechanism (8) includes pressure gauge
(8-4), the pressure gauge (8-4) is connect by the first shut-off valve (8-3) with oil return line (4) and oil transportation branch pipeline (5), described
Guide proportion overflow valve (8-1) and two-position four-way motor valve (8- are separately installed on oil return line (4) and oil transportation bye-pass (5)
2).
4. oil sump casting machine according to claim 3, it is characterized in that: the pressure sensing mechanism (8) output port
Oil return line (4) is connect by check valve (9-1) with reflux pumping plant (9), and the reflux pumping plant (9) includes constant pressure plunger pump (9-
3), the constant pressure plunger pump (9-3) is sequentially connected by shaft and motor (9-4), constant pressure plunger pump (9-3) right-hand end
Single-rod piston by being connect with adjustable throttling (9-2), the adjustable throttling (9-2) passes through pipeline and constant pressure plunger pump
The spring piston ejection of (9-3) left-hand end connects.
5. oil sump casting machine according to claim 1, it is characterized in that: the oil transportation testing agency (19) includes oil transportation master
Pipeline (12), the oil transportation main line (12) and the junction of oil transportation bye-pass (5) are equipped with first filter (10), described defeated
Oily main line (12) input port is equipped with the second shut-off valve (17), thermometer (15), electro connecting pressure gauge (14) and automatically controlled liquid
Press pump (18).
6. oil sump casting machine according to claim 5, it is characterized in that: the electrical control hydraulic pump (18) passes through pipeline and the
The output pipe of three filters (13) connection, the third filter (13) is connected by hydraulic control one-way valve (13-1) and cooling body
It connects, the cooling body is connect by pipeline with the second filter (11) input port, the output of second filter (11)
Port is connect with oil transportation main line (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580895.5A CN109570479A (en) | 2018-12-24 | 2018-12-24 | Oil sump casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580895.5A CN109570479A (en) | 2018-12-24 | 2018-12-24 | Oil sump casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109570479A true CN109570479A (en) | 2019-04-05 |
Family
ID=65930979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811580895.5A Pending CN109570479A (en) | 2018-12-24 | 2018-12-24 | Oil sump casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109570479A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110064746A (en) * | 2019-06-11 | 2019-07-30 | 常州卡斯特铝精密铸造科技有限公司 | Gravity-assist pouring machine control system |
| CN111872364A (en) * | 2020-07-21 | 2020-11-03 | 绍兴汇友机电科技有限公司 | Intelligent fixed-point pouring equipment |
| CN112077296A (en) * | 2020-08-19 | 2020-12-15 | 浙江东信达汽车零部件股份有限公司 | Full-automatic casting production line for engine oil pan die-casting blank |
| CN112191836A (en) * | 2020-03-10 | 2021-01-08 | 绍兴汇友机电科技有限公司 | Intelligent fixed-point pouring equipment |
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| CN206952151U (en) * | 2017-06-02 | 2018-02-02 | 沈阳博龙汽车部件制造有限公司 | Tilting type cylinder cap casting machine |
| CN209886665U (en) * | 2018-12-24 | 2020-01-03 | 常州卡斯特铝精密铸造科技有限公司 | Oil pan casting machine |
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2018
- 2018-12-24 CN CN201811580895.5A patent/CN109570479A/en active Pending
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110064746A (en) * | 2019-06-11 | 2019-07-30 | 常州卡斯特铝精密铸造科技有限公司 | Gravity-assist pouring machine control system |
| CN112191836A (en) * | 2020-03-10 | 2021-01-08 | 绍兴汇友机电科技有限公司 | Intelligent fixed-point pouring equipment |
| CN111872364A (en) * | 2020-07-21 | 2020-11-03 | 绍兴汇友机电科技有限公司 | Intelligent fixed-point pouring equipment |
| CN111872364B (en) * | 2020-07-21 | 2022-04-05 | 绍兴汇友机电科技有限公司 | Intelligent fixed-point pouring equipment |
| CN112077296A (en) * | 2020-08-19 | 2020-12-15 | 浙江东信达汽车零部件股份有限公司 | Full-automatic casting production line for engine oil pan die-casting blank |
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