CN202702681U - Biomass forming machine high efficient hydraulic control system - Google Patents

Biomass forming machine high efficient hydraulic control system Download PDF

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Publication number
CN202702681U
CN202702681U CN 201220278632 CN201220278632U CN202702681U CN 202702681 U CN202702681 U CN 202702681U CN 201220278632 CN201220278632 CN 201220278632 CN 201220278632 U CN201220278632 U CN 201220278632U CN 202702681 U CN202702681 U CN 202702681U
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CN
China
Prior art keywords
oil
oil cylinder
reversal valve
cylinder
reversing valve
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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.)
Expired - Fee Related
Application number
CN 201220278632
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Chinese (zh)
Inventor
曾跃平
王军
邹继凯
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曾跃平
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Priority to CN 201220278632 priority Critical patent/CN202702681U/en
Application granted granted Critical
Publication of CN202702681U publication Critical patent/CN202702681U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A biomass forming machine high efficient hydraulic control system comprises an oil tank, an oil pump, a first oil cylinder with a puncher pin and a second oil cylinder with a puncher pin. A first reversing valve is arranged between the oil pump and the first oil cylinder, a second reversing valve is arranged between the oil pump and the second oil cylinder, the oil outlet of the oil pump is respectively connected with the oil inlet P of the first reversing valve and the oil inlet P of the second reversing valve, and the oil outlet T of the first reversing valve and the oil outlet T of the second reversing valve are respectively communicated with the oil tank. The oil outlet A of the first reversing valve is connected with the oil outlet of the first oil cylinder, the oil outlet B of the first reversing valve is connected with the oil outlet of the second oil cylinder, the oil outlet A of the second reversing valve is connected with the oil inlet of the first oil cylinder, and the oil outlet B of the second reversing valve is connected with the oil inlet of the second oil cylinder. When the valve plug of the second reversing valve is on a middle position, the oil outlet A of the second reversing valve is communicated with the oil outlet B of the second reversing valve. And therefore, hydraulic oil flowed out of the first oil cylinder drives the second oil cylinder to act and hydraulic oil flowed out of the second oil cylinder drives the first oil cylinder to act, and the energy can be saved. The high efficient hydraulic control system is suitable for punching and pre-punching of a biomass forming machine.

Description

A kind of biomass forming machine efficient hydraulic control system
Technical field
The utility model relates to a kind of single lead screw ex truding briquetting machine hydraulic control system, refers to particularly a kind of biomass forming machine efficient hydraulic control system.
Background technology
Comparatively ripe forming technique is screw extrusion method and ring mould rolled-on method at present, and these two kinds of forming machines can produce serious friction in running, and expends a large amount of extra power.The not energy-conservation difficult situation of alternative energy source equipment has appearred.
The oil pressure pressing has solved above-mentioned friction problem, and operates steadily, and has reduced noise.
Also be in order to raise the efficiency, to reduce specific energy consumption, adopting the two-way cylinder dual-direction ram more.
Biomass moulding is the block finished product that the loose material extruding of little density is become large density.In punching course, load is ascending, and load increases severely during near the dead point, and power disposition is to follow the maximum principle of load, a large amount of power just occurs in the low load stage like this and runs off.
Summary of the invention
The purpose of this utility model is the deficiency that exists in order to solve the above-mentioned background technology, provides a kind of energy-conservation, the biomass forming machine efficient hydraulic control system that efficient is high and drift energy any direction is arranged.
For achieving the above object, the utility model adopts following technical scheme: a kind of biomass forming machine efficient hydraulic control system, comprise the oil pump with fuel tank, respectively with the first oil cylinder and second oil cylinder of drift, be respectively equipped with the first reversal valve and the second reversal valve between described oil pump and the first oil cylinder and between oil pump and the second oil cylinder, the oil-out of described oil pump links to each other with the oil-feed P mouth of described the first reversal valve and described the second reversal valve respectively, the fuel-displaced T mouth of described the first reversal valve and described the second reversal valve is communicated with described fuel tank respectively, the fuel-displaced A mouth of described the first reversal valve links to each other with the oil-out of described the first oil cylinder and the second oil cylinder with fuel-displaced B mouth is corresponding respectively, and the fuel-displaced A mouth of described the second reversal valve links to each other with the oil-in of described the first oil cylinder and the second oil cylinder with fuel-displaced B mouth is corresponding respectively; When the spool of described the second reversal valve was in meta, the fuel-displaced A mouth of the second reversal valve was communicated with fuel-displaced B mouth.Realized driving the second cylinder action and the hydraulic oil that flows out from the second oil cylinder can drive the first cylinder action from the hydraulic oil that the first oil cylinder flows out by adding the first reversal valve, saved the energy, efficient is high; Simultaneously, the second reversal valve that adds plays the auxiliary power effect, puts in place with the piston action that guarantees oil cylinder; And, because described the first oil cylinder and the second oil cylinder are one-way cylinder, thus the first oil cylinder be connected the drift that connects on the oil cylinder as required any direction arrange.
In such scheme, the oil-out of described oil pump is connected with overflow valve.
In such scheme, be provided with oil filter between described fuel tank and the oil pump.
The utility model has been realized driving the second cylinder action and the hydraulic oil that flows out from the second oil cylinder can drive the first cylinder action from the hydraulic oil that the first oil cylinder flows out by adding the first reversal valve, has saved the energy, and efficient is high; Simultaneously, the second reversal valve that adds plays the auxiliary power effect, puts in place with the piston action that guarantees oil cylinder.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Wherein, fuel tank 1, oil filter 2, oil pump 3, overflow valve 4, the first reversal valves 5, the second reversal valves 6, the first oil cylinders 7, the second oil cylinders 8, drift 9.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
As shown in Figure 1, the present embodiment comprises the oil pump 3 with fuel tank 1, respectively with the first oil cylinder 7 and second oil cylinder 8 of drift 9, be respectively equipped with the first reversal valve 5 and the second reversal valve 6 between described oil pump 3 and the first oil cylinder 7 and between oil pump 3 and the second oil cylinder 8, the oil-out of described oil pump 3 links to each other with the oil-feed P mouth of described the first reversal valve 5 and described the second reversal valve 6 respectively, the fuel-displaced T mouth of described the first reversal valve 5 and described the second reversal valve 6 is communicated with described fuel tank respectively, the fuel-displaced A mouth of described the first reversal valve 5 links to each other with the oil-out of described the first oil cylinder 7 and the second oil cylinder 8 with fuel-displaced B mouth is corresponding respectively, and the fuel-displaced A mouth of described the second reversal valve 6 links to each other with the oil-in of described the first oil cylinder 7 and the second oil cylinder 8 with fuel-displaced B mouth is corresponding respectively; When the spool of described the second reversal valve 6 was in meta, the fuel-displaced A mouth of the second reversal valve 6 was communicated with fuel-displaced B mouth.Realized driving 8 actions of the second oil cylinder and driving 7 actions of the first oil cylinder from the hydraulic oil that the second oil cylinder 8 flows out from the hydraulic oil that the first oil cylinder 7 flows out by adding the first reversal valve 5, saved the energy, efficient is high; Simultaneously, the second reversal valve 6 that adds plays the auxiliary power effect, puts in place with the piston action that guarantees oil cylinder.
The oil-out of above-mentioned oil pump 3 is connected with overflow valve 4.Be provided with oil filter 2 between described fuel tank 1 and the oil pump 3.
During specific design, the diameter of the piston rod in the first oil cylinder 7 and the second oil cylinder 8 can be increased, to reduce the lifting surface area of piston, increase the stressed of piston, guarantee in punching press during the incipient stage, drift energy fast forwarding and fast rewinding is increased work efficiency.
A kind of operating mode of the present utility model:
When the load of drift 9 hour (being the punching press incipient stage), the 1DT of the first reversal valve gets electric, the 2DT dead electricity, the equal dead electricity of the 3DT of the second reversal valve and 4DT, the spool of the second reversal valve is in meta, hydraulic oil is from first reversal valve 5 of flowing through after oil pump 3 flows out, the left chamber that enters the first oil cylinder 7 promotes the piston rewind down of the first oil cylinder 7, the hydraulic oil in the first oil cylinder 7 right chambeies is along with the first oil cylinder 7 is flowed out in the motion of piston, then second reversal valve 6 of flowing through enters the left chamber of the second oil cylinder 8, and promote the piston F.F. of the second oil cylinder 8, and the hydraulic oil in the second oil cylinder 8 right chambeies is along with the second oil cylinder 8 is flowed out in the motion of piston, and first reversal valve 5 of then flowing through enters fuel tank 1.
When the load of drift 9 increases to default load gradually (punching press final stage), the 1DT of the first reversal valve gets electric, the 2DT dead electricity, the 3DT dead electricity of the second reversal valve, 4DT gets electric, hydraulic oil is from first reversal valve 5 of flowing through after oil pump 3 flows out, the left chamber that enters the first oil cylinder 7 promotes the piston of the first oil cylinder 7 until return the dead point, the hydraulic oil in the first oil cylinder 7 right chambeies is along with the first oil cylinder 7 is flowed out in the motion of piston, then second reversal valve 6 of flowing through enters fuel tank, the hydraulic oil that flows out from oil pump 3 also flows into the left chamber of the second oil cylinder 8 from the second reversal valve 6, the piston of auxiliary pushing the second oil cylinder 8 is until the dead point.
Another kind of operating mode of the present utility model:
When the load of drift 9 hour (being the punching press incipient stage), the 1DT dead electricity of the first reversal valve, 2DT gets electric, the equal dead electricity of the 3DT of the second reversal valve and 4DT, the spool of the second reversal valve is in meta, hydraulic oil is from first reversal valve 5 of flowing through after oil pump 3 flows out, the right chamber that enters the second oil cylinder 8 promotes the piston rewind down of the second oil cylinder 8, the hydraulic oil in the second oil cylinder 8 left chambeies is along with the second oil cylinder 8 is flowed out in the motion of piston, then second reversal valve 6 of flowing through enters the right chamber of the first oil cylinder 7, and promote the piston F.F. of the first oil cylinder 7, and the hydraulic oil in the first oil cylinder 7 left chambeies is along with the first oil cylinder 7 is flowed out in the motion of piston, and first reversal valve 5 of then flowing through enters fuel tank 1.
When the load of drift 9 increases to default load gradually (punching press final stage), the 1DT dead electricity of the first reversal valve, 2DT gets electric, the 3DT of the second reversal valve gets electric, the 4DT dead electricity, hydraulic oil is from first reversal valve 5 of flowing through after oil pump 3 flows out, the right chamber that enters the second oil cylinder 8 promotes the piston of the second oil cylinder 8 until return the dead point, the hydraulic oil in the second oil cylinder 8 left chambeies is along with the second oil cylinder 8 is flowed out in the motion of piston, then second reversal valve 6 of flowing through enters fuel tank, the hydraulic oil that flows out from oil pump 3 also flows into the right chamber of the first oil cylinder 7 from the second reversal valve 6, the piston of auxiliary pushing the first oil cylinder 7 is until the dead point.
The utility model has been realized driving 8 actions of the second oil cylinder and driving 7 actions of the first oil cylinder from the hydraulic oil that the second oil cylinder 8 flows out from the hydraulic oil that the first oil cylinder 7 flows out by adding the first reversal valve 5, has saved the energy, and efficient is high; Simultaneously, what add second changes 6 and plays the auxiliary power effect to valve, puts in place with the piston action that guarantees oil cylinder.

Claims (3)

1. biomass forming machine efficient hydraulic control system, comprise the oil pump with fuel tank, respectively with the first oil cylinder and second oil cylinder of drift, it is characterized in that, be respectively equipped with the first reversal valve and the second reversal valve between described oil pump and the first oil cylinder and between oil pump and the second oil cylinder, the oil-out of described oil pump links to each other with the oil-feed P mouth of described the first reversal valve and described the second reversal valve respectively, the fuel-displaced T mouth of described the first reversal valve and described the second reversal valve is communicated with described fuel tank respectively, the fuel-displaced A mouth of described the first reversal valve links to each other with the oil-out of described the first oil cylinder and the second oil cylinder with fuel-displaced B mouth is corresponding respectively, and the fuel-displaced A mouth of described the second reversal valve links to each other with the oil-in of described the first oil cylinder and the second oil cylinder with fuel-displaced B mouth is corresponding respectively; When the spool of described the second reversal valve was in meta, the fuel-displaced A mouth of the second reversal valve was communicated with fuel-displaced B mouth.
2. a kind of biomass forming machine efficient hydraulic control system according to claim 1 is characterized in that, the oil-out of described oil pump is connected with overflow valve.
3. a kind of biomass forming machine efficient hydraulic control system according to claim 1 and 2 is characterized in that, is provided with oil filter between described fuel tank and the oil pump.
CN 201220278632 2012-06-14 2012-06-14 Biomass forming machine high efficient hydraulic control system Expired - Fee Related CN202702681U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220278632 CN202702681U (en) 2012-06-14 2012-06-14 Biomass forming machine high efficient hydraulic control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220278632 CN202702681U (en) 2012-06-14 2012-06-14 Biomass forming machine high efficient hydraulic control system

Publications (1)

Publication Number Publication Date
CN202702681U true CN202702681U (en) 2013-01-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220278632 Expired - Fee Related CN202702681U (en) 2012-06-14 2012-06-14 Biomass forming machine high efficient hydraulic control system

Country Status (1)

Country Link
CN (1) CN202702681U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103522575A (en) * 2013-10-22 2014-01-22 严培义 Mechanism powder forming machine and quantitative oil supply system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103522575A (en) * 2013-10-22 2014-01-22 严培义 Mechanism powder forming machine and quantitative oil supply system
CN103522575B (en) * 2013-10-22 2015-05-13 宁波汇众粉末机械制造有限公司 Mechanism powder forming machine and quantitative oil supply system

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130130

Termination date: 20170614