CN201913822U - Control device for clamping and jacking movable working platform - Google Patents

Control device for clamping and jacking movable working platform Download PDF

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Publication number
CN201913822U
CN201913822U CN2010206055698U CN201020605569U CN201913822U CN 201913822 U CN201913822 U CN 201913822U CN 2010206055698 U CN2010206055698 U CN 2010206055698U CN 201020605569 U CN201020605569 U CN 201020605569U CN 201913822 U CN201913822 U CN 201913822U
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CN
China
Prior art keywords
clamping
solenoid directional
control valve
oil pump
directional control
Prior art date
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
CN2010206055698U
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Chinese (zh)
Inventor
吕利刚
王厚明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RONGCHENG METAL FORMING MACHINE CO Ltd
Original Assignee
RONGCHENG METAL FORMING MACHINE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by RONGCHENG METAL FORMING MACHINE CO Ltd filed Critical RONGCHENG METAL FORMING MACHINE CO Ltd
Priority to CN2010206055698U priority Critical patent/CN201913822U/en
Application granted granted Critical
Publication of CN201913822U publication Critical patent/CN201913822U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a control device for clamping and jacking a movable working platform of a press, which comprises an oil tank, a clamping-loosening cylinder, a jacking cylinder, and a power source for driving each cylinder. The control device for clamping and jacking the movable working platform of the press is characterized in that: the power source comprises a pneumatic oil pump unit and an electric oil pump unit; the electric oil pump unit comprises an electric oil pump; an oil supply pipeline of the electric oil pump is provided with a first solenoid directional valve and a second solenoid directional valve in parallel; the jacking cylinder is connected with the first solenoid directional valve in series; an upper cavity and a lower cavity of the clamping-loosening cylinder are respectively connected with the second solenoid directional valve; the pneumatic oil pump unit comprises a pneumatic oil pump; the pneumatic oil pump controls the supply of a gas source through a third solenoid directional valve connected in series in a gas source pipeline; an oil supply pipeline of the pneumatic oil pump is connected with a pipeline between the upper cavity of the clamping-loosening cylinder and the second solenoid directional valve in parallel; and a pressure relay controlling the stop of the electric oil pump and the start of the pneumatic oil pump is connected in parallel with the pipeline. The control device for clamping and jacking the movable working platform of the press has quick speed for clamping, loosening and jacking the working platform, and has short mold switching time and less energy consumption.

Description

The travelling table clamping jacking control device
Technical field
The utility model relates to a kind of parts of forcing press, especially a kind of travelling table clamping jacking control device that is used for moveable platform of press clamping and release and jack-up, shortening mould replacing time.
Background technology
Forcing press is mold exchange more for convenience, is typically provided with moving bolster, and to workbench move and the control of duty is realized by clamping and release oil cylinder and jack-up oil cylinder.When press bench is in running order, the cavity of resorption oil extraction of jack-up oil cylinder, clamping and release oil cylinder, the epicoele oil-feed of clamping and release oil cylinder, the clamping and release oil cylinder is in clamped condition; More during mold exchange, the cavity of resorption oil-feed of clamping and release oil cylinder, cavity of resorption oil extraction, the clamping and release oil cylinder unclamps, simultaneously, and the oil-feed of jack-up oil cylinder, with travelling table jack-up, travelling table can move along guide rail.And the oil-feed of above-mentioned clamping and release oil cylinder and jack-up oil cylinder and oil extraction are to adopt air driven pump as power source, but the flow of air driven pump is little, in the pipeline filling fluid time long, the clamping and release of travelling table, jack-up speed are slow, have increased mould replacing time.Because the flow of air driven pump is subjected to the restriction of product specification, the air driven pump of big flow is then bulky, cost an arm and a leg, if rely on the method for the flow that increases air driven pump to solve the slow-footed problem of clamping and release, jack-up of travelling table, then can increase production cost, the bigger air driven pump of volume also exists the limitation of installing space simultaneously.
Summary of the invention
For the slow-footed deficiency of clamping and release, jack-up that overcomes travelling table in the prior art, the utility model provides a kind of clamping and release of travelling table, the speed of jack-up, energy-conservation travelling table clamping jacking control device of can greatly improve.
The technical scheme that the utility model technical solution problem is adopted is: the travelling table clamping jacking control device, it comprises fuel tank, the clamping and release oil cylinder, the power source of jack-up oil cylinder and each oil cylinder of driving, it is characterized in that: the power source of described each oil cylinder of driving comprises Pneumatic oil pump unit and electric oil pump unit, described electric oil pump unit comprises an electric oil pump that is pumped by the fluid with in the fuel tank of driven by motor, on the oil feed line of this electric oil pump and be connected to first solenoid directional control valve, second solenoid directional control valve, described first solenoid directional control valve, be respectively equipped with return line between second solenoid directional control valve and the fuel tank, described jack-up oil cylinder is connected in series with first solenoid directional control valve through connecting line, the oil-feed of this jack-up oil cylinder or oil return are controlled by first solenoid directional control valve, the epicoele of described clamping and release oil cylinder, cavity of resorption is respectively through the corresponding pipeline that clamps, unclamp pipeline and be connected the epicoele of clamping and release oil cylinder with second solenoid directional control valve, corresponding oil-feed of cavity of resorption or oil return are controlled by second solenoid directional control valve respectively; Described Pneumatic oil pump unit comprises one with the unidirectional Pneumatic oil pump that pumps of the fluid in the fuel tank, this Pneumatic oil pump is by the supply that is serially connected in the 3rd solenoid directional control valve control source of the gas in the source of the gas pipeline, the oil feed line of Pneumatic oil pump is attempted by on the clamping and release oil cylinder epicoele and the clamping pipeline between second solenoid directional control valve of Pneumatic oil pump unit, also be connected in series a hydraulic control one-way valve on the clamping pipeline between contact to the second solenoid directional control valve, on the epicoele of described clamping and release oil cylinder and the clamping pipeline between second solenoid directional control valve and connect a pressure switch, the motor of control drive electric oil pump stopped when the oil pressure of this pressure switch in clamping pipeline reached predetermined value, opened the 3rd solenoid directional control valve of control Pneumatic oil pump source of the gas simultaneously.
What first solenoid directional control valve on the described oil feed line that is attempted by electric oil pump, second solenoid directional control valve adopted is the two-position four-way solenoid directional control valve.
Unclamping between the cavity of resorption of described clamping and release oil cylinder and second solenoid directional control valve is connected in series a choke valve on the pipeline.
Be connected an overflow valve between the return line between the connecting line of described connection second solenoid directional control valve and second solenoid directional control valve and fuel tank.
Described supply with source of the gas and be serially connected with in the source of the gas pipeline of the 3rd solenoid directional control valve for Pneumatic oil pump also be connected in series a filtering pressure reducing valve.
Be connected with an oil pressure gauge on the described electric oil pump oil feed line.
The utility model is to increase by an electric oil pump unit on the basis of the Pneumatic oil pump unit that drives each oil cylinder, in the clamping of clamping and release oil cylinder, when unclamping the jack-up with the jack-up oil cylinder, make full use of that electric oil pump pressure is low, the big advantage of flow, fill for fast each pipeline, oil pocket and carry out fluid, improve the clamping and release of travelling table, the speed of jack-up greatly, shorten mould replacing time.Fluid is filled the back electric oil pump that finishes and is quit work automatically.When workbench is in running order, utilize the Pneumatic oil pump pressure height of Pneumatic oil pump unit, the characteristics that flow is low, travelling table is continued high pressure clamp, replaced the motor and the electric oil pump that are unsuitable for frequently being interrupted work, reach energy saving purposes.The beneficial effects of the utility model are: reasonable in design, the clamping and release of travelling table, the speed of jack-up are fast, and mould replacing time is short, less energy consumption.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further.
Accompanying drawing is a kind of theory structure schematic diagram of the present utility model.
Among the figure: 1. clamping and release oil cylinder, 2. jack-up oil cylinder, 3. fuel tank, 4. electric oil pump unit, 4.1. motor, 4.2. electric oil pump, 4.3. oil feed line, 4.4. oil pressure gauge, 4.5. connecting line, 4.6. return line, 4.7. choke valve, 4.8. hydraulic control one-way valve, 4.9. overflow valve, 4.10. second solenoid directional control valve, 4.11. unclamps pipeline, 4.12. the clamping pipeline, 4.13. connecting line, 4.14. return line, 4.15. first solenoid directional control valve, 4.16. pressure switch, 4.17. connecting line, 5. Pneumatic oil pump unit, 5.1. Pneumatic oil pump, 5.2. the 3rd solenoid directional control valve, 5.3. filtering pressure reducing valve, 5.4. the source of the gas pipeline, the 5.5. oil feed line.
The specific embodiment
In the accompanying drawings, the travelling table clamping jacking control device, the power source that it comprises clamping and release oil cylinder 1, jack-up oil cylinder 2, fuel tank 3 and drives each oil cylinder, this power source that drives each oil cylinder comprises Pneumatic oil pump unit 5 and electric oil pump unit 4.
Clamping and release oil cylinder 1 is four single pole two-way cylinders.Jack-up oil cylinder 2 is four single pole one-way cylinders.Be marked with wear-resistant fluid in the fuel tank 3.
As shown in drawings, electric oil pump unit 4 comprises an electric oil pump 4.2, and this electric oil pump 4.2 is axial plunger displacement pumps, is driven by motor 4.1 fluid in the fuel tank 1 is pumped.On the oil feed line 4.3 of electric oil pump 4.2, be connected with second solenoid directional control valve 4.10, be connected with first solenoid directional control valve 4.15 through connecting line 4.13 through connecting line 4.5.What first solenoid directional control valve 4.15, second solenoid directional control valve 4.10 all adopted is the two-position four-way solenoid directional control valve.
Be provided with return line 4.6 being provided with between first solenoid directional control valve 4.15 and the fuel tank 3 between return line 4.14, the second solenoid directional control valves 4.10 and the fuel tank 3.
In the accompanying drawings, jack-up oil cylinder 2 is connected in series with first solenoid directional control valve 4.15 through connecting line 4.17, by the oil-feed or the oil return of the oily direction control of first solenoid directional control valve 4.15 control stream jack-up oil cylinder 2, the jack-up of realizing jack-up oil cylinder 2 with fall.
In the accompanying drawings, pipeline 4.12 is connected with second solenoid directional control valve 4.10 epicoele of clamping and release oil cylinder 1, the cavity of resorption of clamping and release oil cylinder 1 is connected with second solenoid directional control valve 4.10 through unclamping pipeline 4.11 through clamping, epicoele, cavity of resorptions by the oily direction control of second solenoid directional control valve control, 4.10 streams clamping and release oil cylinder 1 carry out corresponding oil-feed or oil return, realize the clamping of clamping and release oil cylinder 1 or unclamp.
Unclamping between the cavity of resorption of clamping and release oil cylinder 1 and second solenoid directional control valve 4.10 is connected in series a choke valve 4.7 on the pipeline 4.11.This choke valve 4.7 is a stacked unidirectional throttle valve, and its effect is to regulate to unclamp the flow of hydraulic oil in the pipeline 4.11, so regulate four clamping and release oil cylinders 1 loosen speed synchronously.
Excessive for the pressure that prevents the hydraulic oil that the electric oil pump pump is given, between the return line 4.6 of 3 of the connecting line 4.5 that connects second solenoid directional control valve 4.10 and second solenoid directional control valve 4.10 and fuel tanks, be connected an overflow valve 4.9.This overflow valve 4.9 is a superposing type overflow valve.
As shown in drawings, Pneumatic oil pump unit 5 comprises a Pneumatic oil pump 5.1, this Pneumatic oil pump 5.1 by source of the gas pipeline 5.4 constantly for its gases at high pressure that 0.5MPA is provided as power source.By the supply that is serially connected in the 3rd solenoid directional control valve 5.2 control sources of the gas in the source of the gas pipeline 5.4.For the pressure stability of source of the gas, in the source of the gas pipeline, also be connected in series a filtering pressure reducing valve 5.3.
Pneumatic oil pump 5.1 under the drive of gases at high pressure with unidirectional the pumping of the fluid in the fuel tank 3.
In the accompanying drawings, the oil feed line 5.5 of Pneumatic oil pump 5.1 is attempted by on clamping and release oil cylinder 1 epicoele and the clamping pipeline 4.12 between second solenoid directional control valve 4.10 of Pneumatic oil pump unit 4.
For the fluid in the pipeline refluxes and clamping and release oil cylinder 1 keeps the clamping force that continues, on the clamping pipeline 4.12 of the oil feed line 5.5 of Pneumatic oil pump 5.1 and 4.10 of also contact to the second solenoid directional control valves that clamps pipeline 4.12, be connected in series a check valve 4.8.This check valve 4.8 is a stacking type hydraulic control check valve.
On the epicoele of clamping and release oil cylinder 1 and the clamping pipeline 4.12 between second solenoid directional control valve 4.10 and connect a pressure switch 4.16.The motor 4.1 of control drive electric oil pump stopped the 3rd solenoid directional control valve 5.2 of the Pneumatic oil pump of unlatching control simultaneously 5.1 sources of the gas when the oil pressure of this pressure switch 4.16 in clamping pipeline reached predetermined value.
For convenience operating personnel are known the oil pressure in the oil feed line 4.3 of electric oil pump 4.2 clearly, are connected with an oil pressure gauge 4.4 through a valve on electric oil pump oil feed line 4.3.
The course of work of the utility model travelling table clamping jacking control device:
Clamping and release oil cylinder 1 unclamp course of action: mould is remodeled in the time of need unclamping clamping and release oil cylinder 1, controls 4.10 commutations of second solenoid directional control valve, and the cavity of resorption oil-feed of clamping and release oil cylinder 1, epicoele oil return be to fuel tank 3, the unclamping of clamping and release oil cylinder 1.
The jack-up course of action of jack-up oil cylinder 2: clamping and release oil cylinder 1 loosen fully put in place after, control the commutation of first solenoid directional control valve 4.15,2 oil-feeds of jack-up oil cylinder, with travelling table jack-up, put in place back travelling table and mould are left, and carry out die change work.
Jack-up oil cylinder 2 fall course of action: after die change finished, travelling table drove into, controlled 4.15 commutations of first solenoid directional control valve, 2 oil returns of jack-up oil cylinder, travelling table slowly falls.During oil return, fluid through first solenoid directional control valve 4.15, return line 4.14 oil returns to fuel tank 3.
The clamping course of action of clamping and release oil cylinder 1: after travelling table falls and puts in place, control 4.10 commutations of second solenoid directional control valve, the epicoele oil-feed of clamping and release oil cylinder 1, cavity of resorption oil return are to fuel tank 3, and clamping and release oil cylinder 1 clamps.Pressure reaches predetermined pressure in the clamping pipeline 4.12, automatically controlling the motor 4.1 that drives electric oil pump by pressure switch 4.16 shuts down, simultaneously, open the 3rd solenoid directional control valve 5.2 of control Pneumatic oil pump 5.1 sources of the gas, clamp travelling table for clamping and release oil cylinder 1 provides lasting hydraulic oil by Pneumatic oil pump 5.1.
Because of clamping and release oil cylinder 1 in clamping the course of work, leakage because of the other reasons build-up of pressure, thereby need operate to clamping and release oil cylinder 1 by Pneumatic oil pump 5.1 lasting clamping force is provided, and motor is not suitable for the work of this frequent interruption, so substitute motor and electric oil pump with Pneumatic oil pump, can reach energy saving purposes.

Claims (6)

1. travelling table clamping jacking control device, it comprises fuel tank, the clamping and release oil cylinder, the power source of jack-up oil cylinder and each oil cylinder of driving, it is characterized in that: the power source of described each oil cylinder of driving comprises Pneumatic oil pump unit and electric oil pump unit, described electric oil pump unit comprises an electric oil pump that is pumped by the fluid with in the fuel tank of driven by motor, on the oil feed line of this electric oil pump and be connected to first solenoid directional control valve, second solenoid directional control valve, described first solenoid directional control valve, be respectively equipped with return line between second solenoid directional control valve and the fuel tank, described jack-up oil cylinder is connected in series with first solenoid directional control valve through connecting line, the oil-feed of this jack-up oil cylinder or oil return are controlled by first solenoid directional control valve, the epicoele of described clamping and release oil cylinder, cavity of resorption is respectively through the corresponding pipeline that clamps, unclamp pipeline and be connected the epicoele of clamping and release oil cylinder with second solenoid directional control valve, corresponding oil-feed of cavity of resorption or oil return are controlled by second solenoid directional control valve respectively; Described Pneumatic oil pump unit comprises one with the unidirectional Pneumatic oil pump that pumps of the fluid in the fuel tank, this Pneumatic oil pump is by the supply that is serially connected in the 3rd solenoid directional control valve control source of the gas in the source of the gas pipeline, the oil feed line of Pneumatic oil pump is attempted by on the clamping and release oil cylinder epicoele and the clamping pipeline between second solenoid directional control valve of Pneumatic oil pump unit, also be connected in series a hydraulic control one-way valve on the clamping pipeline between contact to the second solenoid directional control valve, on the epicoele of described clamping and release oil cylinder and the clamping pipeline between second solenoid directional control valve and connect a pressure switch, the motor of control drive electric oil pump stopped when the oil pressure of this pressure switch in clamping pipeline reached predetermined value, opened the 3rd solenoid directional control valve of control Pneumatic oil pump source of the gas simultaneously.
2. travelling table clamping jacking control device according to claim 1 is characterized in that: what first solenoid directional control valve on the described oil feed line that is attempted by electric oil pump, second solenoid directional control valve adopted is the two-position four-way solenoid directional control valve.
3. travelling table clamping jacking control device according to claim 1 is characterized in that: unclamping between the cavity of resorption of described clamping and release oil cylinder and second solenoid directional control valve is connected in series a choke valve on the pipeline.
4. travelling table clamping jacking control device according to claim 1 is characterized in that: be connected an overflow valve between the return line between the connecting line of described connection second solenoid directional control valve and second solenoid directional control valve and fuel tank.
5. travelling table clamping jacking control device according to claim 1 is characterized in that: described supply with source of the gas and be serially connected with in the source of the gas pipeline of the 3rd solenoid directional control valve for Pneumatic oil pump also be connected in series a filtering pressure reducing valve.
6. travelling table clamping jacking control device according to claim 1 is characterized in that: be connected with an oil pressure gauge on the described electric oil pump oil feed line.
CN2010206055698U 2010-11-03 2010-11-03 Control device for clamping and jacking movable working platform Expired - Fee Related CN201913822U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206055698U CN201913822U (en) 2010-11-03 2010-11-03 Control device for clamping and jacking movable working platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206055698U CN201913822U (en) 2010-11-03 2010-11-03 Control device for clamping and jacking movable working platform

Publications (1)

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CN201913822U true CN201913822U (en) 2011-08-03

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CN2010206055698U Expired - Fee Related CN201913822U (en) 2010-11-03 2010-11-03 Control device for clamping and jacking movable working platform

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103144346A (en) * 2013-02-06 2013-06-12 合肥合锻机床股份有限公司 Driving device and method for movable working table of press, and press

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103144346A (en) * 2013-02-06 2013-06-12 合肥合锻机床股份有限公司 Driving device and method for movable working table of press, and press

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110803

Termination date: 20131103