CN203978960U - A kind of plastic deformation squeezes the hydraulic system of forging molding equipment - Google Patents
A kind of plastic deformation squeezes the hydraulic system of forging molding equipment Download PDFInfo
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- CN203978960U CN203978960U CN201420405182.6U CN201420405182U CN203978960U CN 203978960 U CN203978960 U CN 203978960U CN 201420405182 U CN201420405182 U CN 201420405182U CN 203978960 U CN203978960 U CN 203978960U
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Abstract
The utility model discloses the hydraulic system that a kind of plastic deformation squeezes forging molding equipment, comprise master cylinder, high pressure fuel source and low pressure liquid filliing station, the rod chamber of master cylinder is connected with the turnover oil pipe for passing into pressure oil or being connected with fuel tank, the rodless cavity of master cylinder is provided with oil inlet and outlet, oil inlet and outlet is connected with high pressure fuel source by the first connecting pipeline, the first connecting pipeline is provided with the first on-off control valve, oil inlet and outlet is also connected with low pressure liquid filliing station by the second connecting pipeline, and the second connecting pipeline is provided with the second on-off control valve.The utlity model has and can realize the advantages such as master cylinder is worked fast, capacity usage ratio is high, cost of production is low.
Description
Technical field
The utility model relates to plastic deformation and squeezes forging molding apparatus field, is specifically related to the hydraulic system that a kind of plastic deformation squeezes forging molding equipment.
Background technique
It is to utilize Principles of Metal Forming to carry out a kind of method of pressure processing that metal squeezes forging molding technology, to put into mould through pretreated metal blank, then on metal blank, exert pressure and make metal blank generation be out of shape and be full of mold cavity, thereby obtain needed part.It is a kind of few cutting or without the advanced technologies technology of cutting that metal squeezes forging molding technology, be beneficial to the quality that improves goods, improve goods interior microscopic tissue and performance, and also have and save that material, energy consumption are low, applied range, production flexibility is large, the simple and few feature of equipment investment of technological process.
At present, also there are a lot of application technology bottlenecks in crowded forging molding technology and crowded forging molding equipment both at home and abroad, and this technology can not be developed fully.
The crowded forging power required due to metal blank plastic deformation is very large, and requires to squeeze that forging speed is fast, to squeeze the forging time short while squeeze forging, and hydraulic system need to guarantee the energy that provides enough, could meet crowded forging requirement.For reaching to squeeze, forge requirement, the hydraulic system of squeezing in forging molding equipment need to provide pressure to can reach dozens or even hundreds of MPa and enough pressure oil at short notice, yet squeeze at present the following problem of hydraulic system ubiquity of forging molding equipment: 1, the Power supply of hydraulic system requires high, performance requirement to equipment is high, and the investment of equipment is also large; 2, be to forge again to the process of discharging from being fed to squeeze, system need to be carried out release, and existing way is that the pressure oil of system is directly discharged in mailbox, has caused a large amount of energy dissipations.
Model utility content
The technical problems to be solved in the utility model is to overcome the deficiency that prior art exists, and a kind of hydraulic system that realizes the crowded forging molding equipment of plastic deformation that master cylinder is worked fast, capacity usage ratio is high, cost of production is low is provided.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of plastic deformation squeezes the hydraulic system of forging molding equipment, comprise master cylinder, high pressure fuel source and low pressure liquid filliing station, the rod chamber of described master cylinder is connected with the turnover oil pipe for passing into pressure oil or being connected with fuel tank, the rodless cavity of described master cylinder is provided with oil inlet and outlet, described oil inlet and outlet is connected with high pressure fuel source by the first connecting pipeline, described the first connecting pipeline is provided with the first on-off control valve, described oil inlet and outlet is also connected with low pressure liquid filliing station by the second connecting pipeline, and described the second connecting pipeline is provided with the second on-off control valve.
As further improvement of the utility model:
Described hydraulic system also comprises pressurizing cylinder, the cross-section area of the piston of described pressurizing cylinder is greater than the cross-section area of the piston of described master cylinder, in the rodless cavity of described master cylinder, be provided with the charged piston matching, the piston rod of described pressurizing cylinder is connected with described charged piston.
Described pressurizing cylinder is plunger case, the actuator port of described plunger case is connected with high pressure fuel source by the 3rd connecting pipeline, described the 3rd connecting pipeline is provided with the 3rd on-off control valve, the actuator port of described plunger case is also connected with fuel tank by the 4th connecting pipeline, and described the 4th connecting pipeline is provided with the 4th on-off control valve.
Described the first on-off control valve, the second on-off control valve, the 3rd on-off control valve and the 4th on-off control valve are cartridge valve, the control mouth of each cartridge valve is connected with described high pressure fuel source by oil circuit control respectively, on each oil circuit control, is respectively equipped with solenoid directional control valve.
Described low pressure liquid filliing station is accumulator, and described accumulator is connected with the relief valve that carries out off-load when superpressure.
Compared with prior art, the utility model has the advantage of: the hydraulic system that the utility model plastic deformation squeezes forging molding equipment can stretch out fast the piston rod of master cylinder by low pressure liquid filliing station supply low pressure oil in squeezing forging process, by high pressure fuel source supply high pressure oil, master cylinder further being stretched out again squeezes forging, can meet and squeeze fast the requirement of forging; Meanwhile, after crowded forging, the pressure oil in the rodless cavity of master cylinder can be filled into low pressure liquid filliing station again, realize the recycling of energy, reduce the energy supply requirement to hydraulic system, reach the object of energy-conserving and environment-protective, also reduce cost of production.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the utility model plastic deformation squeezes the hydraulic system of forging molding equipment.
Marginal data:
1, master cylinder; 11, rod chamber; 12, rodless cavity; 13, oil inlet and outlet; 2, high pressure fuel source; 3, low pressure liquid filliing station; 4, the first connecting pipeline; 41, the first on-off control valve; 5, the second connecting pipeline; 51, the second on-off control valve; 6, pressurizing cylinder; 7, charged piston; 8, the 3rd connecting pipeline; 81, the 3rd on-off control valve; 9, the 4th connecting pipeline; 91, the 4th on-off control valve; 10, relief valve; 101, turnover oil pipe.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, the utility model plastic deformation squeezes the hydraulic system of forging molding equipment, comprise master cylinder 1, high pressure fuel source 2 and low pressure liquid filliing station 3, the rod chamber 11 of master cylinder 1 is connected with turnover oil pipe 101, can pressure oil be passed into rod chamber 11 by turnover oil pipe 101, or rod chamber 11 is communicated with fuel tank, the rodless cavity 12 of master cylinder 1 is provided with oil inlet and outlet 13, oil inlet and outlet 13 is connected with high pressure fuel source 2 by the first connecting pipeline 4, the first connecting pipeline 4 is provided with the first on-off control valve 41, the first on-off control valve 41 can be controlled the break-make of the first connecting pipeline 4, oil inlet and outlet 13 is connected with low pressure liquid filliing station 3 by the second connecting pipeline 5, the second connecting pipeline 5 is provided with the second on-off control valve 51, the second on-off control valve 51 can be controlled the break-make of the second connecting pipeline 5.The hydraulic system that the utility model plastic deformation squeezes forging molding equipment can stretch out fast the piston rod of master cylinder 1 by low pressure liquid filliing station 3 supply low pressure oil in squeezing forging process, by high pressure fuel source 2 supply high pressure oils, master cylinder 1 further being stretched out again squeezes forging, can meet and squeeze fast the requirement of forging; Meanwhile, after crowded forging, the pressure oil in the rodless cavity of master cylinder 1 12 can be filled into low pressure liquid filliing station 3 again, realize the recycling of energy, reduce the energy supply requirement to hydraulic system, reach the object of energy-conserving and environment-protective, also reduce cost of production.
In the present embodiment, further also be provided with pressurizing cylinder 6, for carrying out supercharging to master cylinder 1, to improve larger crowded forging power, the cross-section area of the piston of pressurizing cylinder 6 is greater than the cross-section area of the piston of master cylinder 1, in the rodless cavity 12 of master cylinder 1, be provided with the charged piston 7 matching, the piston rod of pressurizing cylinder 6 is connected with charged piston 7.The pressurizing cylinder 6 of the present embodiment adopts plunger case, the actuator port of plunger case is connected with high pressure fuel source 2 by the 3rd connecting pipeline 8, the 3rd connecting pipeline 8 is provided with the break-make that the 3rd on-off control valve 81, the three on-off control valve 81 can be controlled the 3rd connecting pipeline 8.The actuator port of plunger case is connected with fuel tank by the 4th connecting pipeline 9, and the 4th connecting pipeline 9 is provided with the break-make that the 4th on-off control valve 91, the four on-off control valve 91 can be controlled the 4th connecting pipeline 9.When master cylinder 1 is carried out to supercharging, make rodless cavity 12 sealings of master cylinder 1, pressurizing cylinder 6 is communicated with high pressure fuel source 2, pressurizing cylinder 6 Work Promote charged pistons 7 move downward, charged piston 7 stretches out the piston rod of master cylinder 1 by the hydraulic oil of rodless cavity 12 inner sealings, because the cross-section area of the piston of pressurizing cylinder 6 is greater than the cross-section area of the piston of master cylinder 1, therefore can make the hydraulic oil in rodless cavity 12 there is the pressure higher than high pressure fuel source 2, realize supercharging object, make master cylinder 1 that higher crowded forging power can be provided, meet and squeeze the requirement of forging.
Above-mentioned the first on-off control valve 41, the second on-off control valve 51, the 3rd on-off control valve 81 and the 4th on-off control valve 91 are cartridge valve, the control mouth of each cartridge valve is connected with high pressure fuel source 2 by oil circuit control respectively, on each oil circuit control, be respectively equipped with solenoid directional control valve, the control mouth of controlling cartridge valve by solenoid directional control valve is communicated with high pressure fuel source 2 or mailbox, thereby realizes the break-make of controlling cartridge valve.
In the present embodiment, low pressure liquid filliing station 3 is gas type accumulator, and accumulator is provided with the relief valve 10 that carries out off-load when superpressure, and when the pressure of accumulator surpasses the setting value of relief valve 10, relief valve 10 is opened and carried out release.
The working principle of the hydraulic system of the crowded forging molding equipment of the utility model plastic deformation is as follows:
As shown in Figure 1, when original state, the piston rod of master cylinder 1 and pressurizing cylinder 6 is all in retraction state, and now the piston of master cylinder 1 is in A position, and the first on-off control valve 41, the second on-off control valve 51, the 3rd on-off control valve 81 and the 4th on-off control valve 91 are also all in closed condition.When needing the piston rod of master cylinder 1 to stretch out the crowded forging of enforcement, to pass in and out oil pipe 101 is communicated with fuel tank, open the second on-off control valve 51, low pressure oil in low pressure liquid filliing station 3 is filled with in the rodless cavity 12 of master cylinder 1, makes the piston rod of master cylinder 1 stretch out fast a segment distance (piston movement of master cylinder 1 is to B position).When the piston rod of master cylinder 1 reaches after desired location, close again the second on-off control valve 51, open the first on-off control valve 41, the high pressure oil of high pressure fuel source 2 is filled with in the rodless cavity 12 of master cylinder 1, the piston rod of master cylinder 1 is further stretched out (piston movement of master cylinder 1 is to C position), now master cylinder 1 can provide larger crowded forging power.Then close the first on-off control valve 41, open the 3rd on-off control valve 81, the high pressure oil of high pressure fuel source 2 is filled with pressurizing cylinder 6, and pressurizing cylinder 6 actions further stretch out the piston rod of master cylinder 1 (piston movement of master cylinder 1 is to D position) again, and master cylinder 1 can provide larger crowded forging power.
After crowded forging completes, make to pass in and out oil pipe 101 and pass into pressure oil (for example can be communicated with high pressure fuel source 2), the first on-off control valve 41 and the 3rd on-off control valve 81 are closed, the piston that the second on-off control valve 51 and the 4th on-off control valve 91 are opened pressure oil promotion master cylinder 1 moves upward, make the hydraulic oil in the rodless cavity 12 of master cylinder 1 enter low pressure liquid filliing station 3, promote the reset that moves upward of piston that charged piston 7 makes pressurizing cylinder 6 simultaneously.In this process, low pressure liquid filliing station 3 is filled with enough pressure oil and reaches after the pressure of relief valve 10 settings, and unnecessary hydraulic oil is let out fuel tank by relief valve 10.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment.For those skilled in the art, do not departing under the utility model technical conceive prerequisite resulting improvement and conversion also should be considered as protection domain of the present utility model.
Claims (5)
1. a plastic deformation squeezes the hydraulic system of forging molding equipment, it is characterized in that: comprise master cylinder (1), high pressure fuel source (2) and low pressure liquid filliing station (3), the rod chamber (11) of described master cylinder (1) is connected with the turnover oil pipe (101) for passing into pressure oil or being connected with fuel tank, the rodless cavity (12) of described master cylinder (1) is provided with oil inlet and outlet (13), described oil inlet and outlet (13) is connected with high pressure fuel source (2) by the first connecting pipeline (4), described the first connecting pipeline (4) is provided with the first on-off control valve (41), described oil inlet and outlet (13) is also connected with low pressure liquid filliing station (3) by the second connecting pipeline (5), described the second connecting pipeline (5) is provided with the second on-off control valve (51).
2. plastic deformation according to claim 1 squeezes the hydraulic system of forging molding equipment, it is characterized in that: described hydraulic system also comprises pressurizing cylinder (6), the cross-section area of the piston of described pressurizing cylinder (6) is greater than the cross-section area of the piston of described master cylinder (1), in the rodless cavity (12) of described master cylinder (1), be provided with the charged piston (7) matching, the piston rod of described pressurizing cylinder (6) is connected with described charged piston (7).
3. plastic deformation according to claim 2 squeezes the hydraulic system of forging molding equipment, it is characterized in that: described pressurizing cylinder (6) is plunger case, the actuator port of described plunger case is connected with high pressure fuel source (2) by the 3rd connecting pipeline (8), described the 3rd connecting pipeline (8) is provided with the 3rd on-off control valve (81), the actuator port of described plunger case is also connected with fuel tank by the 4th connecting pipeline (9), and described the 4th connecting pipeline (9) is provided with the 4th on-off control valve (91).
4. plastic deformation according to claim 3 squeezes the hydraulic system of forging molding equipment, it is characterized in that: described the first on-off control valve (41), the second on-off control valve (51), the 3rd on-off control valve (81) and the 4th on-off control valve (91) are cartridge valve, the control mouth of each cartridge valve is connected with described high pressure fuel source (2) by oil circuit control respectively, on each oil circuit control, is respectively equipped with solenoid directional control valve.
5. according to the plastic deformation described in any one in claim 1 to 4, squeeze the hydraulic system of forging molding equipment, it is characterized in that: described low pressure liquid filliing station (3) is accumulator, and described accumulator is connected with the relief valve (10) that carries out off-load when superpressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405182.6U CN203978960U (en) | 2014-07-22 | 2014-07-22 | A kind of plastic deformation squeezes the hydraulic system of forging molding equipment |
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| CN201420405182.6U CN203978960U (en) | 2014-07-22 | 2014-07-22 | A kind of plastic deformation squeezes the hydraulic system of forging molding equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185240A (en) * | 2018-11-16 | 2019-01-11 | 美钻深海能源科技研发（上海）有限公司 | Energy storage type is from pressure release pressurized construction and control method |
| CN111502668A (en) * | 2020-04-27 | 2020-08-07 | 湖南创远高新机械有限责任公司 | Re-expanding cutter head and control method thereof |
| CN117366035A (en) * | 2023-12-07 | 2024-01-09 | 吉林大学 | Large-cavity bag type rapid supercharging device |
-
2014
- 2014-07-22 CN CN201420405182.6U patent/CN203978960U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185240A (en) * | 2018-11-16 | 2019-01-11 | 美钻深海能源科技研发（上海）有限公司 | Energy storage type is from pressure release pressurized construction and control method |
| CN109185240B (en) * | 2018-11-16 | 2023-09-26 | 美钻深海能源科技研发（上海）有限公司 | Energy storage type self-pressure-relief pressurizing structure and control method |
| CN111502668A (en) * | 2020-04-27 | 2020-08-07 | 湖南创远高新机械有限责任公司 | Re-expanding cutter head and control method thereof |
| CN111502668B (en) * | 2020-04-27 | 2022-04-12 | 湖南创远高新机械有限责任公司 | Re-expanding cutter head and control method thereof |
| CN117366035A (en) * | 2023-12-07 | 2024-01-09 | 吉林大学 | Large-cavity bag type rapid supercharging device |
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