CN203362665U - Electric-hydraulic proportional hydraulic control device of numerical control bending machine - Google Patents
Electric-hydraulic proportional hydraulic control device of numerical control bending machine Download PDFInfo
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- CN203362665U CN203362665U CN 201320435949 CN201320435949U CN203362665U CN 203362665 U CN203362665 U CN 203362665U CN 201320435949 CN201320435949 CN 201320435949 CN 201320435949 U CN201320435949 U CN 201320435949U CN 203362665 U CN203362665 U CN 203362665U
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Abstract
The utility model relates to an electric-hydraulic proportional hydraulic control device of a numerical control bending machine, in particular to equipment provided with the electric-hydraulic proportional hydraulic control device of the numerical control bending machine. According to the electric-hydraulic proportional hydraulic control device, a working port of a two-position four-way electromagnetic exchange valve is respectively communicated with a first prefill valve and a second prefill valve, a working port of a three-position four-way electromagnetic exchange valve is communicated with one end of a damper and an oil outlet of a supporting valve, an oil outlet of an electromagnetic stop valve is communicated with an oil inlet of a second single-way valve, an oil outlet of the first prefill valve and an oil outlet of the second prefill valve are communicated with a piston chamber of a first oil cylinder and a piston chamber of a second oil cylinder respectively, and an oil inlet of the first prefill valve and an oil inlet of the second prefill valve are respectively communicated with an oil tank. The electric-hydraulic proportional hydraulic control device has the advantages of being simple in structure, small in exterior size by adoption of the proportional cartridge valves, stable and reliable in work, free of leakage, high in working efficiency and high in integration level, reducing manufacturing cost of the equipment, and being widely used in a computer control hydraulic control system of the numerical control bending machine, and pressure of the system is controlled through a computer.
Description
Technical field
The utility model relates to a kind of electric-hydraulic proportion numerical control bender hydraulic control device, particularly has electric-hydraulic proportion numerical control bender hydraulic control device equipment.
Background technique
At present, numerical control bender is mainly used in sheetmetal working, can reduce operation easier according to angle automatic computing engine tool position, increases work efficiency.The main sliding valve style hydraulic control system equipment that adopts the development fifties in existing numerical control bender system, its defect is that guiding valve hydraulic control system performance parameter is low, the control section complex structure, rate of fault is high, leaks seriously, moves unstable, impact greatly, take up room larger, maintenance is inconvenient; The hydraulic valve bank of existing bender, what have does not have a proportional control function, from the angle of using effect, speed can not adopt computer remote to regulate, can only manual tune, and what have has a proportional control function, but system is more complicated, expensive, be not suitable for applying in enormous quantities.
Summary of the invention
The purpose of this utility model; be to provide a kind of electric-hydraulic proportion numerical control bender hydraulic control device; it is that the adoption rate cartridge valve combines with integration hydraulic control apparatus; control the control system of numerical control bender; solve the bender precision low; without safety operation, protect; complex structure, rate of fault is high, leaks serious; move unstable; impact greatly, pressure can not adopt computer control, takes up room larger; keep in repair inconvenient problem, realize under computer control bender fast, the purpose of compacting, release, backhaul operation.
The utility model electric-hydraulic proportion numerical control bender hydraulic control device takes following technological scheme to realize: it is by proportional pressure control valve, relief valve, two-way plug-in mounting relief valve, the main valve filler opening, the 3-position 4-way solenoid directional control valve, the two-position four-way solenoid directional control valve, electromagnet cut off valve, throttle valve, the number one one-way valve, damper, the number one oil cylinder, the number one liquid-filling valve, fuel tank, No. second liquid-filling valve, No. second oil cylinder, No. second one-way valve, sutaining valve, safety valve and main valve return opening form, the main valve filler opening is communicated with the filler opening of two-way plug-in mounting relief valve, the main valve filler opening is communicated with the filler opening of two-position four-way solenoid directional control valve, the main valve filler opening is communicated with the filler opening of 3-position 4-way solenoid directional control valve, the oil outlet of two-way plug-in mounting relief valve is communicated with the main valve return opening, the filler opening of relief valve is communicated with the control mouth of two-way plug-in mounting relief valve, the oil outlet of relief valve is communicated with the main valve return opening, the filler opening of proportional pressure control valve is communicated with the control mouth of two-way plug-in mounting relief valve, the oil outlet of proportional pressure control valve is communicated with the main valve return opening, the working hole of two-position four-way solenoid directional control valve is communicated with number one liquid-filling valve and No. second liquid-filling valve respectively, the oil outlet of two-position four-way solenoid directional control valve is communicated with the main valve return opening, the working hole of 3-position 4-way solenoid directional control valve is communicated with an end of damper, the working hole of 3-position 4-way solenoid directional control valve is communicated with the filler opening of number one one-way valve, the working hole of 3-position 4-way solenoid directional control valve is communicated with the filler opening of electromagnet cut off valve, the working hole of 3-position 4-way solenoid directional control valve is communicated with the oil outlet of sutaining valve, the oil outlet of electromagnet cut off valve is communicated with an end of throttle valve, the oil outlet of electromagnet cut off valve is communicated with the filler opening of No. second one-way valve, the oil outlet of the first one-way valve is communicated with the plug chamber of number one oil cylinder and No. second oil cylinder respectively, one end of damper is communicated with the plug chamber of number one oil cylinder and No. second oil cylinder respectively, the oil outlet of the second one-way valve is communicated with the bar chamber of number one oil cylinder and No. second oil cylinder respectively, one end of throttle valve is communicated with the bar chamber of number one oil cylinder and No. second oil cylinder respectively, the filler opening of sutaining valve is communicated with the bar chamber of number one oil cylinder and No. second oil cylinder respectively, the filler opening of safety valve is communicated with the bar chamber of number one oil cylinder and No. second oil cylinder respectively, the oil outlet of number one liquid-filling valve and No. second liquid-filling valve is communicated with the plug chamber of number one oil cylinder and No. second oil cylinder respectively, the filler opening of number one liquid-filling valve and No. second liquid-filling valve is communicated with fuel tank respectively, realize under computer control bender fast, compacting, release, the effect of backhaul operation.
The effect of the utility model electric-hydraulic proportion numerical control bender hydraulic control device is simple in structure, the adoption rate cartridge valve, and the external form volume is little; the handling safety protective function; operation is controlled accurately easy, and working stability is reliable, without revealing; high working efficiency; energy efficient, reduce equipment manufacturing cost, and level of integration is high; the pressure of Computer Control Unit, be widely used on computer control numerical control bender hydraulic control device.
The accompanying drawing explanation
The utility model electric-hydraulic proportion numerical control bender hydraulic control device will be described in further detail with reference to Figs..
Fig. 1 is the hydraulic structure schematic diagram of the utility model electric-hydraulic proportion numerical control bender hydraulic control device.
16-No. the second one-way valve 17-sutaining valve 18-safety valve 19-main valve return opening of 1-proportional pressure control valve, 2-relief valve, 3-two-way plug-in mounting relief valve, 4-main valve filler opening, 5-3-position 4-way solenoid directional control valve, 6-two-position four-way solenoid directional control valve, 7-electromagnet cut off valve, 8-throttle valve, 9-number one one-way valve 15-No. the second oil cylinder of 10-damper, 11-number one oil cylinder 12-number one, 14-No. the second liquid-filling valve of liquid-filling valve 13-fuel tank.
Embodiment
With reference to Fig. 1, the utility model electric-hydraulic proportion numerical control bender hydraulic control device, it is by proportional pressure control valve 1, relief valve 2, two-way plug-in mounting relief valve 3, main valve filler opening 4, 3-position 4-way solenoid directional control valve 5, two-position four-way solenoid directional control valve 6, electromagnet cut off valve 7, throttle valve 8, number one one-way valve 9, damper 10, number one oil cylinder 11, number one liquid-filling valve 12, fuel tank 13, No. second liquid-filling valve 14, No. second oil cylinder 15, No. second one-way valve 16, sutaining valve 17, safety valve 18 and main valve return opening 19 form, main valve filler opening 4 is communicated with the filler opening of two-way plug-in mounting relief valve 3, main valve filler opening 4 is communicated with the filler opening of two-position four-way solenoid directional control valve 6, main valve filler opening 4 is communicated with the filler opening of 3-position 4-way solenoid directional control valve 5, the oil outlet of two-way plug-in mounting relief valve 3 is communicated with main valve return opening 19, the filler opening of relief valve 2 is communicated with the control mouth of two-way plug-in mounting relief valve 3, the oil outlet of relief valve 2 is communicated with main valve return opening 19, the filler opening of proportional pressure control valve 1 is communicated with the control mouth of two-way plug-in mounting relief valve 3, the oil outlet of proportional pressure control valve 1 is communicated with main valve return opening 19, the working hole of two-position four-way solenoid directional control valve 6 is communicated with number one liquid-filling valve 12 and No. second liquid-filling valve 14 respectively, the oil outlet of two-position four-way solenoid directional control valve 6 is communicated with main valve return opening 19, the working hole of 3-position 4-way solenoid directional control valve 5 is communicated with an end of damper 10, the working hole of 3-position 4-way solenoid directional control valve 5 is communicated with the filler opening of number one one-way valve 9, the working hole of 3-position 4-way solenoid directional control valve 5 is communicated with the filler opening of electromagnet cut off valve 7, the working hole of 3-position 4-way solenoid directional control valve 5 is communicated with the oil outlet of sutaining valve 17, the oil outlet of electromagnet cut off valve 7 is communicated with an end of throttle valve 8, the oil outlet of electromagnet cut off valve 7 is communicated with the filler opening of No. second one-way valve 16, the oil outlet of the first one-way valve 9 is communicated with the plug chamber of number one oil cylinder 11 and No. second oil cylinder 15 respectively, one end of damper 10 is communicated with the plug chamber of number one oil cylinder 11 and No. second oil cylinder 15 respectively, the oil outlet of the second one-way valve 16 is communicated with the bar chamber of number one oil cylinder 11 and No. second oil cylinder 15 respectively, one end of throttle valve 8 is communicated with the bar chamber of number one oil cylinder 11 and No. second oil cylinder 15 respectively, the filler opening of sutaining valve 17 is communicated with the bar chamber of number one oil cylinder 11 and No. second oil cylinder 15 respectively, the filler opening of safety valve 18 is communicated with the bar chamber of number one oil cylinder 11 and No. second oil cylinder 15 respectively, the oil outlet of number one liquid-filling valve 12 and No. second liquid-filling valve 14 is communicated with the plug chamber of number one oil cylinder 11 and No. second oil cylinder 15 respectively, the filler opening of number one liquid-filling valve 12 and No. second liquid-filling valve 14 is communicated with fuel tank 13 respectively, realize under computer control bender fast, compacting, release, the effect of backhaul operation.
The embodiment of the utility model electric-hydraulic proportion numerical control bender hydraulic control device, it be adopt computer-controlled bender fast under, compacting, release, the workflow of four operations of backhaul is as follows: descend soon operation, after oil hydraulic pump is opened, when proportional pressure control valve 1 must not when electricity, system does not have pressure, bender is not worked, when proportional pressure control valve 1 and 3-position 4-way solenoid directional control valve 5 when electric, 3-position 4-way solenoid directional control valve 5 is in parallel position, pressure oil enters number one one-way valve 9 by 3-position 4-way solenoid directional control valve 5, then enter the plug chamber of number one oil cylinder 11 and No. second oil cylinder 15, because 3-position 4-way solenoid directional control valve 5 and electromagnet cut off valve 7 are opened, number one oil cylinder 11 and No. second oil cylinder 15 are descending fast under the Gravitative Loads of knife rest, because downstream rate is very fast, number one liquid-filling valve 12 and the plug chamber fuel feeding of No. second liquid-filling valve 14 in the past number one oil cylinder 11 of normally open and No. second oil cylinder 15, by regulating the openings of sizes of throttle valve 8, realize the adjusting of downstream rate.Suppression process, when knife rest approaches workpiece soon, two-position four-way solenoid directional control valve 6 obtains electric, close number one liquid-filling valve 12 and No. second liquid-filling valve 14, electromagnet cut off valve 7 outages, the pressure oil in the bar chamber of number one oil cylinder 11 and No. second oil cylinder 15 just enters 3-position 4-way solenoid directional control valve 5 by sutaining valve 17, then enters main valve return opening 19, by regulating the pressure size of sutaining valve 17, realize the adjusting of the speed of compacting; Can also reach the adjusting of system pressure size by regulating proportional pressure control valve 1, realize suppression process.The release operation, after compacting completes, proportional pressure control valve 1 outage, the pressure oil in the plug chamber of number one oil cylinder 11 and No. second oil cylinder 15 enters 3-position 4-way solenoid directional control valve 5 by damper 10, then enter main valve return opening 19, the process short period is realized pre-pressure release power.The backhaul operation, proportional pressure control valve 1 and 5 energisings of 3-position 4-way solenoid directional control valve, pressure oil enters electromagnet cut off valve 7 by the intersection end of 3-position 4-way solenoid directional control valve 5, then enter one-way valve 16 No. second, enter the bar chamber of number one oil cylinder 11 and No. second oil cylinder 15, make the fluid in the plug chamber of number one oil cylinder 11 and No. second oil cylinder 15 enter fuel tank 13, reach the backhaul operation, realize under computer control bender fast, the effect of compacting, release, backhaul operation.
Claims (1)
1. an electric-hydraulic proportion numerical control bender hydraulic control device, it is by proportional pressure control valve (1), relief valve (2), two-way plug-in mounting relief valve (3), main valve filler opening (4), 3-position 4-way solenoid directional control valve (5), two-position four-way solenoid directional control valve (6), electromagnet cut off valve (7), throttle valve (8), number one one-way valve (9), damper (10), number one oil cylinder (11), number one liquid-filling valve (12), fuel tank (13), No. second liquid-filling valve (14), No. second oil cylinder (15), No. second one-way valve (16), sutaining valve (17), safety valve (18) and main valve return opening (19) form, it is characterized in that main valve filler opening (4) is communicated with the filler opening of two-way plug-in mounting relief valve (3), main valve filler opening (4) is communicated with the filler opening of two-position four-way solenoid directional control valve (6), main valve filler opening (4) is communicated with the filler opening of 3-position 4-way solenoid directional control valve (5), the oil outlet of two-way plug-in mounting relief valve (3) is communicated with main valve return opening (19), the filler opening of relief valve (2) is communicated with the control mouth of two-way plug-in mounting relief valve (3), the oil outlet of relief valve (2) is communicated with main valve return opening (19), the filler opening of proportional pressure control valve (1) is communicated with the control mouth of two-way plug-in mounting relief valve (3), the oil outlet of proportional pressure control valve (1) is communicated with main valve return opening (19), the working hole of two-position four-way solenoid directional control valve (6) is communicated with number one liquid-filling valve (12) and No. second liquid-filling valve (14) respectively, the oil outlet of two-position four-way solenoid directional control valve (6) is communicated with main valve return opening (19), the working hole of 3-position 4-way solenoid directional control valve (5) is communicated with an end of damper (10), the working hole of 3-position 4-way solenoid directional control valve (5) is communicated with the filler opening of number one one-way valve (9), the working hole of 3-position 4-way solenoid directional control valve (5) is communicated with the filler opening of electromagnet cut off valve (7), the working hole of 3-position 4-way solenoid directional control valve (5) is communicated with the oil outlet of sutaining valve (17), the oil outlet of electromagnet cut off valve (7) is communicated with an end of throttle valve (8), the oil outlet of electromagnet cut off valve (7) is communicated with the filler opening of No. second one-way valve (16), the oil outlet of the first one-way valve (9) is communicated with the plug chamber of number one oil cylinder (11) and No. second oil cylinder (15) respectively, one end of damper (10) is communicated with the plug chamber of number one oil cylinder (11) and No. second oil cylinder (15) respectively, the oil outlet of the second one-way valve (16) is communicated with the bar chamber of number one oil cylinder (11) and No. second oil cylinder (15) respectively, one end of throttle valve (8) is communicated with the bar chamber of number one oil cylinder (11) and No. second oil cylinder (15) respectively, the filler opening of sutaining valve (17) is communicated with the bar chamber of number one oil cylinder (11) and No. second oil cylinder (15) respectively, the filler opening of safety valve (18) is communicated with the bar chamber of number one oil cylinder (11) and No. second oil cylinder (15) respectively, the oil outlet of number one liquid-filling valve (12) and No. second liquid-filling valve (14) is communicated with the plug chamber of number one oil cylinder (11) and No. second oil cylinder (15) respectively, the filler opening of number one liquid-filling valve (12) and No. second liquid-filling valve (14) is communicated with fuel tank (13) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320435949 CN203362665U (en) | 2013-07-22 | 2013-07-22 | Electric-hydraulic proportional hydraulic control device of numerical control bending machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320435949 CN203362665U (en) | 2013-07-22 | 2013-07-22 | Electric-hydraulic proportional hydraulic control device of numerical control bending machine |
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| Publication Number | Publication Date |
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| CN203362665U true CN203362665U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320435949 Expired - Fee Related CN203362665U (en) | 2013-07-22 | 2013-07-22 | Electric-hydraulic proportional hydraulic control device of numerical control bending machine |
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| CN (1) | CN203362665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334971A (en) * | 2013-07-22 | 2013-10-02 | 邹城市博威液压机械制造有限公司 | Hydraulic control system for electric-hydraulic proportional numerical control bending machine |
-
2013
- 2013-07-22 CN CN 201320435949 patent/CN203362665U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334971A (en) * | 2013-07-22 | 2013-10-02 | 邹城市博威液压机械制造有限公司 | Hydraulic control system for electric-hydraulic proportional numerical control bending machine |
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| Date | Code | Title | Description |
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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 |
Granted publication date: 20131225 Termination date: 20140722 |
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| EXPY | Termination of patent right or utility model |