CN203420964U - Oil path control structure of synchronous oil cylinders - Google Patents
Oil path control structure of synchronous oil cylinders Download PDFInfo
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- CN203420964U CN203420964U CN201320457354.XU CN201320457354U CN203420964U CN 203420964 U CN203420964 U CN 203420964U CN 201320457354 U CN201320457354 U CN 201320457354U CN 203420964 U CN203420964 U CN 203420964U
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- oil
- control structure
- reversing valve
- oil cylinders
- proportional reversing
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Abstract
The utility model discloses an oil path control structure of synchronous oil cylinders. The structure at least comprises two oil cylinders needing to act synchronously, rodless cavities of the at least two oil cylinders are connected into a first connector of a proportional directional valve in parallel through an oil path respectively, and rod cavities of the at least two oil cylinders are connected into a second connector of the proportional directional valve in parallel through an oil path, a third connector of the proportional directional valve is connected with a main oil inlet path of a hydraulic system; a fourth connector of the proportional directional valve is connected with a main oil return path of the hydraulic system. Because of the structure, the oil path control structure of the synchronous oil cylinders has the advantages of being compact in structure, capable of continuously regulating edge pressing force, safe, reliable, and capable of guaranteeing that the oil cylinders are not damaged, monitoring pressure of the oil cylinders in real time and making operators observe the condition conveniently.
Description
Technical field
The utility model belongs to technical field of hydraulic, is specifically related to a kind of oil circuit control structure of cooker forming machine flanging oil cylinder.
Background technique
As shown in Figure 1, in the cooker forming machine of existing Guangdong Keda Electromechanical Co., Ltd exploitation, four flanging oil cylinders 11 are mounted on moved cross beam 12, and the piston of the piston of master cylinder 13 and four pull and stretch oil cylinders 14 is all connected with moved cross beam 12 by screw; Mould circle is installed on the piston of flanging oil cylinder, and the punch of mould is arranged on moved cross beam.During work, the downward action drives moved cross beam of pull and stretch oil cylinder drives piston action downwards together with four flanging oil cylinders of master cylinder, when the downward action of pull and stretch oil cylinder makes mould circle on flanging oil cylinder piston touch aluminium flake, pull and stretch oil cylinder produces drawing pressure, the downward pull and stretch aluminium flake of punch of mould, the simultaneously piston of flanging oil cylinder passive backhaul and produce pressure-pad-force and make mould circle push down tightly the periphery of aluminium flake under the effect of drawing pressure, avoids producing the defect that pan produces wrinkle or fracture.In the hydraulic control of above-mentioned flanging oil cylinder, the pressure-pad-force that it provides needs accurately to control and can be adjustable continuously, could ensure the quality of product.
Model utility content
The purpose of this utility model is to provide a kind of synchronous fuel tank oil circuit control structure, so that the direction of action of synchronous fuel tank and flow can accurately be controlled and be adjustable continuously.
For achieving the above object, the utility model adopts following technological scheme:
An oil circuit control structure, comprises at least two oil cylinders that need synchronization motion; The rodless cavity of described at least two oil cylinders is respectively by the first interface of oil circuit access in parallel one proportional reversing valve, and the rod chamber of described at least two oil cylinders is respectively by the second interface of oil circuit access in parallel one proportional reversing valve; The 3rd interface of described proportional reversing valve is connected with the main oil-feed oil circuit of hydraulic system; The 4th interface of described proportional reversing valve is connected with the main oil return circuit of hydraulic system.
As preferably, described proportional reversing valve is a 3-position 4-way proportional reversing valve.
As preferably, the rodless cavity of described at least two oil cylinders is access in parallel one rodless cavity working connection respectively, the first interface of described rodless cavity working connection access proportional reversing valve.
Further, have one first relief valve, its entrance is connected with rodless cavity working connection, and its outlet is connected with the main oil return circuit of hydraulic system.
Further, there is a pressure transducer, access in described rodless cavity working connection.
As preferably, the rod chamber of described at least two oil cylinders is access in parallel one rod chamber working connection respectively, the second interface of described rod chamber working connection access proportional reversing valve.
Further, have one second relief valve, its entrance is connected with rod chamber working connection, and its outlet is connected with the main oil return circuit of hydraulic system.
As preferably, described to need the oil cylinder of synchronization motion be four flanging oil cylinders of cooker forming machine.
The utility model, by adopting said structure, has following beneficial effect: (1) compact structure, and pressure-pad-force can continuous setup; (2) safe and reliable, guarantee that oil cylinder is not damaged; (3) can monitor in real time the pressure of oil cylinder, easy-to-operat person observes.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing cooker forming machine.
Fig. 2 is control principle drawing of the present utility model.
In figure:
11-flanging oil cylinder; 12-moved cross beam; 13-master cylinder; 14-pull and stretch oil cylinder; 21-proportional reversing valve; 22-rodless cavity working connection; 23-rod chamber working connection; The 24-the first relief valve; The 25-the second relief valve; 26-pressure transducer; P-main oil-feed oil circuit; T-main oil return circuit.
Now in conjunction with the accompanying drawings and embodiments the utility model is described in further detail.
Embodiment
As shown in Figure 2, synchronous fuel tank oil circuit control structure described in the present embodiment, for controlling four flanging oil cylinders 11 that need synchronization motion of cooker forming machine, mainly by the proportional reversing valve 22 of four flanging oil cylinders 11, a 3-position 4-way, one the first relief valve 24, second relief valve 25 and a pressure transducer 26, formed: the rodless cavity of four flanging oil cylinders is a rodless cavity working connection 22 of access in parallel respectively, the first interface of this rodless cavity working connection access proportional reversing valve; The rod chamber of four flanging oil cylinders is a rod chamber working connection 23 of access in parallel respectively, the second interface of this rod chamber working connection access proportional reversing valve; The 3rd interface of proportional reversing valve is connected with the main oil-feed oil circuit P of hydraulic system, and its 4th interface is connected with the main oil return circuit T of hydraulic system; The entrance of the first relief valve 24 is connected with rodless cavity working connection, and its outlet is connected with the main oil return circuit of hydraulic system; The entrance of the second relief valve 25 is connected with rod chamber working connection, and its outlet is connected with the main oil return circuit of hydraulic system; In the described rodless cavity working connection of pressure transducer 26 access.
Working procedure of the present utility model is as follows:
Proportional reversing valve according to input electrical signal provider to controlling and without pressure compensated flow control.Proportional reversing valve can not only be realized direction and control but also realize flow control: when the YV2 of proportional reversing valve obtains when electric, when flanging oil cylinder moves to mould circle contact aluminium flake downwards, flanging oil cylinder is passive backhaul under the effect of drawing pressure, as long as operator is the electrical signal of resize ratio selector valve, change the opening degree of the throttle orifice of proportional reversing valve the inside, the pressure of flanging oil cylinder rodless cavity is just changed, and pressure-pad-force is also changed.When the YV1 of proportional reversing valve obtains when electric, the initiatively backhaul of flanging oil cylinder.Two relief valves, as safety valve, guarantee that the pressure of oil cylinder is no more than safety pressure, play the effect of protection oil cylinder.Pressure transducer can be monitored the pressure of flanging oil cylinder in real time.
Claims (8)
1. a synchronous fuel tank oil circuit control structure, comprise at least two oil cylinders that need synchronization motion, it is characterized in that, the rodless cavity of described at least two oil cylinders is respectively by the first interface of oil circuit access in parallel one proportional reversing valve, and the rod chamber of described at least two oil cylinders is respectively by the second interface of oil circuit access in parallel one proportional reversing valve; The 3rd interface of described proportional reversing valve is connected with the main oil-feed oil circuit of hydraulic system; The 4th interface of described proportional reversing valve is connected with the main oil return circuit of hydraulic system.
2. a kind of synchronous fuel tank oil circuit control structure according to claim 1, is characterized in that, described proportional reversing valve is a 3-position 4-way proportional reversing valve.
3. a kind of synchronous fuel tank oil circuit control structure according to claim 1 and 2, is characterized in that, the rodless cavity of described at least two oil cylinders is access in parallel one rodless cavity working connection respectively, the first interface of described rodless cavity working connection access proportional reversing valve.
4. a kind of synchronous fuel tank oil circuit control structure according to claim 3, is characterized in that there is one first relief valve, and its entrance is connected with rodless cavity working connection, and its outlet is connected with the main oil return circuit of hydraulic system.
5. a kind of synchronous fuel tank oil circuit control structure according to claim 3, is characterized in that there is a pressure transducer, accesses in described rodless cavity working connection.
6. a kind of synchronous fuel tank oil circuit control structure according to claim 1 and 2, is characterized in that, the rod chamber of described at least two oil cylinders is access in parallel one rod chamber working connection respectively, the second interface of described rod chamber working connection access proportional reversing valve.
7. a kind of synchronous fuel tank oil circuit control structure according to claim 6, is characterized in that there is one second relief valve, and its entrance is connected with rod chamber working connection, and its outlet is connected with the main oil return circuit of hydraulic system.
8. a kind of synchronous fuel tank oil circuit control structure according to claim 1, is characterized in that, described to need the oil cylinder of synchronization motion be four flanging oil cylinders of cooker forming machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320457354.XU CN203420964U (en) | 2013-07-29 | 2013-07-29 | Oil path control structure of synchronous oil cylinders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320457354.XU CN203420964U (en) | 2013-07-29 | 2013-07-29 | Oil path control structure of synchronous oil cylinders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203420964U true CN203420964U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320457354.XU Expired - Fee Related CN203420964U (en) | 2013-07-29 | 2013-07-29 | Oil path control structure of synchronous oil cylinders |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203420964U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343762A (en) * | 2013-07-29 | 2015-02-11 | 广东科达洁能股份有限公司 | Synchronous oil cylinder control oilway structure |
| CN112692169A (en) * | 2020-12-07 | 2021-04-23 | 广东石油化工学院 | Deep drawing forming die for box-shaped part of rolled differential thick plate |
-
2013
- 2013-07-29 CN CN201320457354.XU patent/CN203420964U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343762A (en) * | 2013-07-29 | 2015-02-11 | 广东科达洁能股份有限公司 | Synchronous oil cylinder control oilway structure |
| CN112692169A (en) * | 2020-12-07 | 2021-04-23 | 广东石油化工学院 | Deep drawing forming die for box-shaped part of rolled differential thick plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG KEDA CLEAN ENERGY CO., LTD. Free format text: FORMER NAME: GUANGDONG KEDA ELECTROMECHANICAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528313 Guangdong City, Shunde province Chencun Town, industrial park, long Ring Road West Town, No. 1 Patentee after: KEDA CLEAN ENERGY CO., LTD. Address before: 528313 Guangdong City, Shunde province Chencun Town, industrial park, long Ring Road West Town, No. 1 Patentee before: Guangdong Keda Electromechanical Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20170729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |