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CN201132372Y - Rubber vulcanizing press with combined hydrocylinder - Google Patents

Rubber vulcanizing press with combined hydrocylinder Download PDF

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Publication number
CN201132372Y
CN201132372Y CNU2007200154448U CN200720015444U CN201132372Y CN 201132372 Y CN201132372 Y CN 201132372Y CN U2007200154448 U CNU2007200154448 U CN U2007200154448U CN 200720015444 U CN200720015444 U CN 200720015444U CN 201132372 Y CN201132372 Y CN 201132372Y
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CN
China
Prior art keywords
hydraulic cylinder
piston
hydraulic
valve
pressure
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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
CNU2007200154448U
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Chinese (zh)
Inventor
祁胜
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Individual
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Individual
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Priority to CNU2007200154448U priority Critical patent/CN201132372Y/en
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Publication of CN201132372Y publication Critical patent/CN201132372Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Press Drives And Press Lines (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The utility model provides a combined hydraulic cylinder rubber flat plate vulcanizing machine which has a structure as follows: a stander is provided with a hydraulic cylinder, a plate mangle and a hydraulic station, a piston of the hydraulic cylinder is provided with a piston hydraulic cylinder, a cylinder body of the piston hydraulic cylinder is a piston which is provided with an inner cavity of the piston hydraulic cylinder, the inner part of the piston hydraulic cylinder inner cavity is provided with a circular tube piston matching with the piston hydraulic cylinder inner cavity, the circular tube piston is positioned and connected on the middle part of the bottom end of the cylinder body, the pipe opening of the circular tube piston extends out of the cylinder body, the diameter of the piston hydraulic cylinder inner cavity is 10 to 20 percent of the diameter of the hydraulic cylinder inner cavity, the hydraulic station is provided with a high-pressure small-flow hydraulic pump, a reversing valve, a sequence valve and a supply tank. The combined hydraulic cylinder rubber flat plate vulcanizing machine is provided with the piston hydraulic cylinder; the diameter of the piston hydraulic cylinder inner cavity is 10 to 20 percent of the diameter of the hydraulic cylinder inner cavity; the high-pressure small-flow hydraulic pump is used for charging the piston hydraulic cylinder inner cavity, a clamping device can be merged rapidly and a higher pressure is applied to the clamping device; the high-pressure small-flow hydraulic pump has smaller power, therefore, resources are saved when in use, and the cost of the device is lower.

Description

Assembled hydraulic cylinder rubber plate vulcanization machine
Technical field
The utility model relates to the hydraulic cylinder of a kind of rubber plate vulcanization machine, particularly a kind of rubber plate vulcanization machine.
Background technology
Rubber plate vulcanization machine is used for the pressurization of model rubber and baking.Rubber plate vulcanization machine has Vertical Rack, there is hydraulic cylinder the below of frame, the top of frame is by the clamping device of being made up of upper and lower flat board, one side of frame has Hydraulic Station, the oil circuit that Hydraulic Station is made up of hydraulic pump and control valve, Hydraulic Station has the oil circuit that links to each other with hydraulic cylinder, and the piston of hydraulic cylinder links to each other with the following flat board of clamping device.When the model rubber is pressurizeed, allow piston-retraction earlier, upper and lower flat board separately is put into play mould on the flat board, allows piston stretch out flat clamping device merging then, continues to allow to stretch out piston flat clamping device is applied to operating pressure again.To flat clamping device merge and the process of exerting pressure in, the resistance that merges flat clamping device is little, required pressure is also little, in order to boost productivity, can merge flat clamping device fast, at this moment need hydraulic pressure pump high volume ground to charge into liquid to the hydraulic cylinder inner chamber, flat clamping device is merged fast, when workpiece is exerted pressure,, only need hydraulic pump will obtain higher pressure to the highly pressurised liquid that the hydraulic cylinder inner chamber charges into seldom because liquid is not easy to be compressed.As everyone knows, the hydraulic pressure pump characteristics is that the pressure that the flow of hydraulic pump is big is lower under the certain condition of power, and the flow that the pressure of hydraulic pump is high is less; Under the certain condition of pressure, the flow of hydraulic pump is big more, and the power of hydraulic pump is big more.Rubber plate vulcanization machine need be used the higher hydraulic pump of pressure, but the high-pressure and hydraulic pump discharge is less, in the prior art, hydraulic cylinder has only a cylinder body, and the volume of hydraulic cylinder inner chamber is bigger, can not realize merging fast flat clamping device, in order to realize merging flat clamping device fast, the rubber plate vulcanization machine that has is selected the high-pressure hydraulic pump of big flow for use, and this just needs to strengthen the power of hydraulic pump, cause when using energy resource consumption big, the cost height of equipment; Also there are the hydraulic pump of the big flow low-pressure of employing and the hydraulic pump two pumps of high pressure low discharge to be used in combination, the cost of equipment is improved, if only consider pressure, the high-pressure low-flow hydraulic pump of smaller power just can satisfy the needs that flat clamping device is exerted pressure fully, can satisfy the needs of exerting pressure as small-sized rubber plate vulcanization machine with 500 watts of low power high-pressure low-flow hydraulic pumps for 300 * 300 or 400 * 400, but because the flow of high-pressure low-flow hydraulic pump is little, the time that flat clamping device in operation merges is long, influences production efficiency.In order to consider pressure and production efficiency, generally to small-sized rubber plate vulcanization machine also to select for use power bigger as 2.5 kilowatts high-pressure high-flow hydraulic pump, cause when using energy resource consumption big, the cost of equipment is higher.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned deficiency, to propose a kind of assembled hydraulic cylinder rubber plate vulcanization machine that can use the high-pressure low-flow hydraulic pump.
The utility model is realized with the following method.
Assembled hydraulic cylinder rubber plate vulcanization machine has Vertical Rack, there is hydraulic cylinder the below of frame, the top of frame is by the clamping device of being made up of upper and lower flat board, one side of frame has Hydraulic Station, the oil circuit that Hydraulic Station is made up of hydraulic pump and control valve, Hydraulic Station has the oil circuit that links to each other with hydraulic cylinder, hydraulic cylinder has the circle tube cylinder of bottom sealing, cylindrical hydraulic cylinder inner chamber is arranged in the cylinder body, the cylindrical piston that matches with the hydraulic cylinder inner chamber is arranged in the hydraulic cylinder inner chamber, cylinder body bottom sidewall has liquid entrance, and piston links to each other with the following flat board of clamping device
Piston hydraulic cylinder is arranged on the piston, the cylinder body of piston hydraulic cylinder is a piston, the cylindrical piston hydraulic cylinder inner chamber of opening towards the sealing of the bottom of hydraulic cylinder inner chamber arranged on the axis of piston, the tubular piston that matches with the piston hydraulic cylinder inner chamber is arranged in the piston hydraulic cylinder inner chamber, be connected in the middle of the cylinder body bottom to tubular piston location, the mouth of pipe of tubular piston stretches out outside the cylinder body
Hydraulic Station has continuous hydraulic pump, reversal valve, sequence valve and liquid storage vessel, reversal valve is that two position and four-way reversing valves or meta end three position four-way directional control valve, sequence valve is that high-pressure inlet is arranged, atmospheric inlet and high-pressure outlet, the normal pressure outlet, when the normality position, high-pressure inlet and high-pressure outlet communicate in valve body, atmospheric inlet and normal pressure outlet communicate in valve body, because of raising, the pressure of high-pressure inlet changes abnormal the time, atmospheric inlet is ended, high-pressure inlet, two four-way internal control formula sequence valves that high-pressure outlet and normal pressure outlet are communicating in valve body, advancing of hydraulic pump, outlet links to each other with sequence valve by reversal valve, the high-pressure inlet of sequence valve links to each other with hydraulic pump by reversal valve, the high-pressure outlet of the sequence valve tubular piston mouth of pipe outer with stretching out cylinder body links to each other, the normal pressure outlet of sequence valve has liquid entrance to link to each other with cylinder body bottom sidewall, and the atmospheric inlet of sequence valve links to each other with liquid storage vessel.
During use, when piston is in the hydraulic cylinder intracavity bottom, on the clamping device, following flat board is to be in open state, the primer fluid press pump, liquid is through reversal valve, sequence valve and tubular piston enter the piston hydraulic cylinder inner chamber, because clamping device is open state, the pressure of piston hydraulic cylinder inner chamber is not high, the diameter of piston hydraulic cylinder inner chamber is less, the low pressure low flow rate liquid that enters the piston hydraulic cylinder inner chamber just can make the piston fast rise, when piston rises, the hydraulic cylinder inner chamber produces negative pressure, normal pressure liquid-inlet and the outlet inhalant liquid cylinder pressure inner chamber of the liquid in the liquid storage vessel through sequence valve, does not influence the speed that piston rises by cylinder body bottom sidewall liquid entrance, when clamping device merges, the increased pressure of piston hydraulic cylinder inner chamber, sequence valve is in abnormal position, and the normal pressure liquid-inlet ends, high-pressure pump charges into hydraulic cylinder inner chamber and piston hydraulic cylinder inner chamber simultaneously to highly pressurised liquid, charges into less highly pressurised liquid and just can produce higher pressure.
The utility model has piston hydraulic cylinder, the diameter of piston hydraulic cylinder inner chamber is less than the diameter of hydraulic cylinder inner chamber, just can realize merging clamping device fast and clamping device being applied higher pressure with the high-pressure low-flow hydraulic pump, so save the energy in use because of the power of high-pressure low-flow hydraulic pump is less, equipment manufacturing cost is lower.
Below in conjunction with accompanying drawing, the utility model is further described.
Description of drawings
Fig. 1 is that schematic diagram cuts open in the master office of looking of this rubber plate vulcanization machine;
Fig. 2 is the oil circuit schematic diagram when merging flat board;
Fig. 3 is the oil circuit schematic diagram when flat board is exerted pressure;
Fig. 4 is the oil circuit schematic diagram when removing dull and stereotyped pressure and opening flat board.
The specific embodiment
Among Fig. 1, assembled hydraulic cylinder rubber plate vulcanization machine has Vertical Rack 1, there is hydraulic cylinder 2 below of frame, the top of frame has by last, following dull and stereotyped 3,4 clamping devices of forming, one side of frame has Hydraulic Station 5, the oil circuit that Hydraulic Station is made up of hydraulic pump and control valve, Hydraulic Station has the oil circuit that links to each other with hydraulic cylinder, hydraulic cylinder has the circle tube cylinder 6 of bottom sealing, cylindrical hydraulic cylinder inner chamber 7 is arranged in the cylinder body, the cylindrical piston 8 that matches with the hydraulic cylinder inner chamber is arranged in the hydraulic cylinder inner chamber, cylinder body bottom sidewall has liquid entrance 9, piston links to each other with the following flat board of clamping device, piston hydraulic cylinder is arranged on the piston, the cylinder body of piston hydraulic cylinder is a piston, the cylindrical piston hydraulic cylinder inner chamber 10 of opening towards the sealing of the bottom of hydraulic cylinder inner chamber arranged on the axis of piston, the tubular piston 11 that matches with the piston hydraulic cylinder inner chamber is arranged in the piston hydraulic cylinder inner chamber, be connected in to tubular piston location cylinder body bottom middle 12, the mouth of pipe 13 of tubular piston stretches out outside the cylinder body, the diameter of piston hydraulic cylinder inner chamber is 10%~20% of a hydraulic cylinder intracavity diameter, Hydraulic Station has continuous hydraulic pump 14, reversal valve 15, sequence valve 16 and liquid storage vessel 17, reversal valve is that two position and four-way reversing valves or meta end three position four-way directional control valve, sequence valve is two four-way internal control formula sequence valves, sequence valve has high-pressure inlet, atmospheric inlet and high-pressure outlet, the normal pressure outlet, sequence valve is when the normality position, high-pressure inlet and high-pressure outlet communicate in valve body, atmospheric inlet and normal pressure outlet communicate in valve body, sequence valve changes because of the pressure of high-pressure inlet raises in the time of abnormal, atmospheric inlet is ended, high-pressure inlet, high-pressure outlet and normal pressure outlet are communicating in valve body, advancing of hydraulic pump, outlet links to each other with sequence valve by reversal valve, the high-pressure inlet of sequence valve links to each other with hydraulic pump by reversal valve, the high-pressure outlet of the sequence valve tubular piston mouth of pipe outer with stretching out cylinder body links to each other, the normal pressure outlet of sequence valve has liquid entrance to link to each other with cylinder body bottom sidewall, and the atmospheric inlet of sequence valve links to each other with liquid storage vessel.
Among Fig. 2, merge with hydraulic pump drive is dull and stereotyped.
Among Fig. 3, flat board is exerted pressure with hydraulic pump.
Among Fig. 4, remove dull and stereotyped pressure and open flat board.

Claims (2)

1. assembled hydraulic cylinder rubber plate vulcanization machine, Vertical Rack is arranged, there is hydraulic cylinder the below of frame, the top of frame has by last, the following dull and stereotyped clamping device of forming, one side of frame has Hydraulic Station, the oil circuit that Hydraulic Station is made up of hydraulic pump and control valve, Hydraulic Station has the oil circuit that links to each other with hydraulic cylinder, hydraulic cylinder has the circle tube cylinder of bottom sealing, cylindrical hydraulic cylinder inner chamber is arranged in the cylinder body, the cylindrical piston that matches with the hydraulic cylinder inner chamber is arranged in the hydraulic cylinder inner chamber, cylinder body bottom sidewall has liquid entrance, piston links to each other with the following flat board of clamping device, it is characterized in that:
Piston hydraulic cylinder is arranged on the piston, the cylinder body of piston hydraulic cylinder is a piston, the cylindrical piston hydraulic cylinder inner chamber of opening towards the sealing of the bottom of hydraulic cylinder inner chamber arranged on the axis of piston, the tubular piston that matches with the piston hydraulic cylinder inner chamber is arranged in the piston hydraulic cylinder inner chamber, be connected in the middle of the cylinder body bottom to tubular piston location, the mouth of pipe of tubular piston stretches out outside the cylinder body
Hydraulic Station has continuous hydraulic pump, reversal valve, sequence valve and liquid storage vessel, reversal valve is that two position and four-way reversing valves or meta end three position four-way directional control valve, sequence valve is that high-pressure inlet is arranged, atmospheric inlet and high-pressure outlet, the normal pressure outlet, when the normality position, high-pressure inlet and high-pressure outlet communicate in valve body, atmospheric inlet and normal pressure outlet communicate in valve body, because of raising, the pressure of high-pressure inlet changes abnormal the time, the normal pressure inlet ends, high-pressure inlet, two four-way internal control control formula sequence valves that high-pressure outlet and normal pressure outlet are communicating in valve body, advancing of hydraulic pump, outlet links to each other with sequence valve by reversal valve, the high-pressure inlet of sequence valve links to each other with hydraulic pump by reversal valve, the high-pressure outlet of the sequence valve tubular piston mouth of pipe outer with stretching out cylinder body links to each other, the normal pressure outlet of sequence valve has liquid entrance to link to each other with cylinder body bottom sidewall, and the atmospheric inlet of sequence valve links to each other with liquid storage vessel.
2. by the described assembled hydraulic cylinder of claim 1 rubber plate vulcanization machine, it is characterized in that: the diameter of piston hydraulic cylinder inner chamber is 10%~20% of a hydraulic cylinder intracavity diameter.
CNU2007200154448U 2007-10-23 2007-10-23 Rubber vulcanizing press with combined hydrocylinder Expired - Fee Related CN201132372Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200154448U CN201132372Y (en) 2007-10-23 2007-10-23 Rubber vulcanizing press with combined hydrocylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200154448U CN201132372Y (en) 2007-10-23 2007-10-23 Rubber vulcanizing press with combined hydrocylinder

Publications (1)

Publication Number Publication Date
CN201132372Y true CN201132372Y (en) 2008-10-15

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ID=40060647

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200154448U Expired - Fee Related CN201132372Y (en) 2007-10-23 2007-10-23 Rubber vulcanizing press with combined hydrocylinder

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101655005B (en) * 2009-08-04 2011-11-30 大连交通大学 Hydraulic system of continuous string coiled tubing unit
CN106671363A (en) * 2016-12-26 2017-05-17 广东长盈精密技术有限公司 Injection mold die and injection mold equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101655005B (en) * 2009-08-04 2011-11-30 大连交通大学 Hydraulic system of continuous string coiled tubing unit
CN106671363A (en) * 2016-12-26 2017-05-17 广东长盈精密技术有限公司 Injection mold die and injection mold equipment

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081015

Termination date: 20091123