CN220515344U - Multi-cylinder hydraulic control synchronous jacking device - Google Patents
Multi-cylinder hydraulic control synchronous jacking device Download PDFInfo
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- CN220515344U CN220515344U CN202322101969.5U CN202322101969U CN220515344U CN 220515344 U CN220515344 U CN 220515344U CN 202322101969 U CN202322101969 U CN 202322101969U CN 220515344 U CN220515344 U CN 220515344U
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 33
- 239000003921 oil Substances 0.000 claims abstract description 136
- 239000010705 motor oil Substances 0.000 claims abstract description 12
- 239000010720 hydraulic oil Substances 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 7
- 238000005242 forging Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model provides a synchronous liftout device of multi-cylinder hydraulic control, which comprises an oil tank, the motor oil pump, be connected with the motor oil pump through a branch pipeline, through pipeline and oil feed intercommunication, and through the left and right cylinder control electromagnetic reversing valve of oil feed pipeline and oil return pipeline control left cylinder and right cylinder, be connected with the motor oil pump through another branch pipeline, and through the middle cylinder control electromagnetic reversing valve of oil feed pipeline and oil return pipeline control middle hydro-cylinder, left and right cylinder diverter valve that is connected with left and right cylinder control electromagnetic reversing valve, left hydro-cylinder, right hydro-cylinder that is connected with left and right cylinder diverter valve, the unidirectional throttle valve that is connected with middle hydro-cylinder control electromagnetic reversing valve, middle hydro-cylinder that is connected with unidirectional throttle valve. The utility model has the advantages of simple structure, convenient operation, easy adjustment, stable synchronous operation, strong unbalanced load resistance, large ejection force, reliable ejection of the forging piece and ensuring the demolding quality of the forging piece. Can be widely applied to the material ejection process of the pressure forming of large-scale forgings.
Description
Technical Field
The utility model relates to a multi-cylinder hydraulic control synchronous ejection device which can be widely applied to the ejection process of large forging pressure forming.
Background
In the process of die forging and forming of large forgings, the large forgings need to be driven in the vertical direction, namely the forgings need to be ejected out of the die cavities. Because the large forging has larger volume, the large forging is influenced by self gravity, the ejection power is high, and the ejection task of a single oil cylinder is difficult to complete. Particularly when the large forging is irregular in shape and large in appearance, more than two cylinders are needed to eject the workpiece. The existing ejection device is inaccurate in hydraulic control, so that when multiple cylinders are linked, ejection speed is asynchronous, deviation is generated at each ejection position, a die cavity cannot be ejected smoothly by a forging piece, and even because all cylinders are asynchronous, unbalanced load is easy to occur, and the forging piece is damaged by ejection.
Disclosure of Invention
The utility model aims to provide the multi-cylinder hydraulic control synchronous ejection device which has the advantages of simple structure, convenient operation, easy adjustment, stable synchronous operation, strong unbalanced load resistance, large ejection force, reliable ejection of the forging piece and guarantee of the demolding quality of the forging piece.
In order to achieve the purpose, the multi-cylinder hydraulic control synchronous ejection device comprises an oil tank, an electric engine oil pump connected through a pipeline inserted into oil in the oil tank, a left oil cylinder control electromagnetic reversing valve connected through a branch pipeline with the electric engine oil pump, a right oil cylinder control electromagnetic reversing valve connected through an oil inlet pipeline with an oil return pipeline with a left oil cylinder, a right oil cylinder control electromagnetic reversing valve connected through an oil inlet pipeline with an oil return pipeline with an intermediate oil cylinder control electromagnetic reversing valve of the intermediate oil cylinder, a left oil cylinder and a right oil cylinder control electromagnetic reversing valve connected through a pipeline with the left oil cylinder and the right oil cylinder, a left oil cylinder and a right oil cylinder connected through the split pipeline with the left oil cylinder and the right oil cylinder, a one-way throttle valve connected through the pipeline with the intermediate oil cylinder control electromagnetic reversing valve and connected through a pipeline with the output flow of the left oil cylinder and the right oil cylinder by adjusting flow rate consistent with the one-way throttle valve.
The utility model discloses a multi-cylinder hydraulic control synchronous ejection device, which comprises a left oil cylinder and a right oil cylinder, wherein when the two oil cylinders are linked, a left oil cylinder flow dividing valve and a right oil cylinder flow dividing valve are adopted to divide the flow of hydraulic oil according to 1:1 are distributed to the lower cavities of the left oil cylinder and the right oil cylinder at the same flow, so that the hydraulic oil of the two cylinders is uniformly distributed, the action consistency of the two cylinders is ensured, and the synchronous movement of the left oil cylinder and the right oil cylinder is realized.
According to the multi-cylinder hydraulic control synchronous ejection device, when the left cylinder, the right cylinder and the middle cylinder are in linkage, the left cylinder diverter valve, the right cylinder diverter valve and the one-way throttle valve are adopted to adjust output flow, so that the adjusted output flow of the left cylinder diverter valve and the right cylinder diverter valve is consistent with the adjusted output flow of the one-way throttle valve and is distributed to the lower cavities of the left cylinder, the right cylinder and the middle cylinder at the same flow, the three cylinders are evenly shunted, the consistent action of the three cylinders is ensured, and the synchronous movement of the left cylinder, the middle cylinder and the right cylinder is realized.
The utility model relates to a multi-cylinder hydraulic control synchronous ejection device, which has the working principle that: when the left oil cylinder and the right oil cylinder work, the hydraulic oil flows of the left oil cylinder and the right oil cylinder are controlled according to the flow rate of 1:1 are distributed to the lower cavities of the left oil cylinder and the right oil cylinder, so that the hydraulic oil of the two cylinders is uniformly distributed, and the synchronous work of the left oil cylinder and the right oil cylinder is realized. When the left oil cylinder, the middle oil cylinder and the right oil cylinder work simultaneously, the hydraulic oil flows of the left oil cylinder and the right oil cylinder are controlled according to 1:1 are distributed to the lower cavities of the left oil cylinder and the right oil cylinder, and then the flow of the middle oil cylinder is regulated through a one-way throttle valve, so that the flow of the middle oil cylinder is consistent with the flow of the left oil cylinder and the flow of the right oil cylinder, the flow of the three-cylinder hydraulic oil is distributed uniformly, the action consistency of the three oil cylinders is realized, and the synchronous movement of the three cylinders is ensured.
The multi-cylinder hydraulic control synchronous ejection device is simple in structure, convenient to operate, easy to adjust, and capable of guaranteeing synchronous working and stable synchronous operation when double cylinders or three cylinders are ejected, and the flow is adjusted through the left and right cylinder flow dividing valves and the one-way throttle valve, and the hydraulic oil of each cylinder is evenly divided.
The multi-cylinder hydraulic control synchronous ejection device adopts multi-cylinder ejection, has strong unbalanced load resistance and large ejection force, ejects the forging reliably, and ensures the demolding quality of the forging.
In conclusion, the multi-cylinder hydraulic control synchronous ejection device has the advantages of simple structure, convenience in operation, easiness in adjustment, stable synchronous operation, strong unbalanced load resistance, large ejection force, reliability in ejecting the forging, and capability of ensuring the demolding quality of the forging.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
In fig. 1, the multi-cylinder hydraulic control synchronous ejection device comprises an oil tank 1, a motor oil pump 2 connected through a pipeline inserted into oil in the oil tank, a left and right oil cylinder control electromagnetic directional valve 3 connected with the motor oil pump through a branch pipeline, communicated with the oil in the oil tank through a pipeline, and controlling a left oil cylinder and a right oil cylinder through an oil inlet pipeline, a middle oil cylinder control electromagnetic directional valve 4 connected with the motor oil pump through another branch pipeline, controlling a middle oil cylinder through the oil inlet pipeline, a left and right oil cylinder diverter valve 5 connected with the left and right oil cylinder control electromagnetic directional valve through a pipeline, a left oil cylinder 6 and a right oil cylinder 7 connected with the left and right oil cylinder diverter valve through a diverter pipeline, a one-way throttle valve 8 connected with the middle oil cylinder control electromagnetic directional valve through a pipeline, and consistent with the output flow of the left and right oil cylinder diverter valve through adjustment flow, and a middle oil cylinder 9 connected with the one-way throttle valve through a pipeline.
The utility model discloses a multi-cylinder hydraulic control synchronous jacking device, which comprises a left oil cylinder 6 and a right oil cylinder 7, wherein when the two oil cylinders are linked, a left oil cylinder flow dividing valve and a right oil cylinder flow dividing valve are adopted to divide the flow of hydraulic oil according to the following ratio of 1:1 are distributed to the lower cavities of the left oil cylinder and the right oil cylinder at the same flow, so that the hydraulic oil of the two cylinders is uniformly distributed, the action consistency of the two cylinders is ensured, and the synchronous movement of the left oil cylinder and the right oil cylinder is realized.
According to the multi-cylinder hydraulic control synchronous jacking device, when the left cylinder 6, the right cylinder 7 and the middle cylinder 9 are linked, the left cylinder diverter valve, the right cylinder diverter valve and the one-way throttle valve are adopted to adjust output flow, so that the adjusted output flow of the left cylinder diverter valve and the right cylinder diverter valve is consistent with the adjusted output flow of the one-way throttle valve, and the adjusted output flow is distributed to the lower cavities of the left cylinder, the right cylinder and the middle cylinder with the same flow, so that the hydraulic oil of the three cylinders is evenly distributed, the consistent action of the three cylinders is ensured, and the synchronous movement of the left cylinder, the middle cylinder and the right cylinder is realized.
In addition, in fig. 1, forging 10.
The utility model relates to a multi-cylinder hydraulic control synchronous ejection device, which comprises the following working processes: when the left oil cylinder and the right oil cylinder are used for jacking, the motor oil pump works, the left oil cylinder and the right oil cylinder control the electromagnetic directional valve A cavity to be electrified, hydraulic oil enters the lower cavities of the left oil cylinder and the right oil cylinder through the left oil cylinder and the right oil cylinder flow dividing valve, and the forging is jacked out. When the left oil cylinder, the right oil cylinder and the middle oil cylinder work, the left oil cylinder and the right oil cylinder control the electromagnetic directional valve, the middle oil cylinder controls the cavity A of the electromagnetic directional valve to be electrified, hydraulic oil enters the lower cavities of the left oil cylinder, the right oil cylinder and the middle oil cylinder through the left oil cylinder and the right oil cylinder flow dividing valve and the one-way throttle valve, and the forging piece is ejected out. When the left and right oil cylinders control the electromagnetic directional valve and the middle oil cylinder control the B cavity of the electromagnetic directional valve to be electrified, the oil cylinder returns to complete a working cycle.
The multi-cylinder hydraulic control synchronous ejection device of the utility model is only a preferred embodiment of the utility model, but not limited to the utility model, and although the utility model has been disclosed in the preferred embodiment, it is not limited to the utility model, and any simple modification, equivalent substitution and improvement and the like of the above embodiment still fall within the scope of the technical scheme of the utility model, as long as the technical scheme of the utility model is not deviated, and any simple modification, equivalent substitution and improvement and the like of the above embodiment still fall within the scope of the technical scheme of the utility model.
Claims (3)
1. The multi-cylinder hydraulic control synchronous ejection device is characterized by comprising an oil tank, an electric motor oil pump connected through a pipeline inserted into oil in the oil tank, a left oil cylinder control electromagnetic reversing valve connected with the electric motor oil pump through a branch pipeline, a right oil cylinder control electromagnetic reversing valve connected with the oil tank through an oil inlet pipeline and an oil return pipeline, a middle oil cylinder control electromagnetic reversing valve connected with the electric motor oil pump through another branch pipeline and an oil return pipeline, a left oil cylinder and a right oil cylinder diverter valve connected with the left oil cylinder control electromagnetic reversing valve and the right oil cylinder control electromagnetic reversing valve through pipelines, a left oil cylinder and a right oil cylinder connected with the left oil cylinder diverter valve and the right oil cylinder diverter valve through diverter pipelines, a one-way throttle valve connected with the middle oil cylinder control electromagnetic reversing valve through pipelines and a one-way throttle valve through adjusting flow rate consistent with output flow rate of the left oil cylinder diverter valve and the right oil cylinder diverter valve.
2. The multi-cylinder hydraulic control synchronous jacking device according to claim 1, wherein when the left cylinder and the right cylinder are linked, a left cylinder split valve and a right cylinder split valve are adopted to enable the flow of hydraulic oil to be 1:1 are distributed to the lower cavities of the left oil cylinder and the right oil cylinder at the same flow, so that the hydraulic oil of the two cylinders is uniformly distributed, the action consistency of the two cylinders is ensured, and the synchronous movement of the left oil cylinder and the right oil cylinder is realized.
3. The multi-cylinder hydraulic control synchronous jacking device according to claim 1, wherein when the left cylinder, the right cylinder and the middle cylinder are linked, the left cylinder diverter valve, the right cylinder diverter valve and the one-way throttle valve are adopted to adjust the output flow, so that the adjusted output flow of the left cylinder diverter valve and the right cylinder diverter valve is consistent with the adjusted output flow of the one-way throttle valve, the adjusted output flow is distributed to the lower cavities of the left cylinder, the right cylinder and the middle cylinder at the same flow, the hydraulic oil of the three cylinders is evenly distributed, the consistent action of the three cylinders is ensured, and the synchronous movement of the left cylinder, the middle cylinder and the right cylinder is realized.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322101969.5U CN220515344U (en) | 2023-08-07 | 2023-08-07 | Multi-cylinder hydraulic control synchronous jacking device |
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CN202322101969.5U CN220515344U (en) | 2023-08-07 | 2023-08-07 | Multi-cylinder hydraulic control synchronous jacking device |
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CN220515344U true CN220515344U (en) | 2024-02-23 |
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CN202322101969.5U Active CN220515344U (en) | 2023-08-07 | 2023-08-07 | Multi-cylinder hydraulic control synchronous jacking device |
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CN (1) | CN220515344U (en) |
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2023
- 2023-08-07 CN CN202322101969.5U patent/CN220515344U/en active Active
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