CN203743138U - Control system of high-stability and large-radian pipe bending machine - Google Patents
Control system of high-stability and large-radian pipe bending machine Download PDFInfo
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- CN203743138U CN203743138U CN201420014446.5U CN201420014446U CN203743138U CN 203743138 U CN203743138 U CN 203743138U CN 201420014446 U CN201420014446 U CN 201420014446U CN 203743138 U CN203743138 U CN 203743138U
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- way solenoid
- solenoid directional
- control valve
- directional control
- valve
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- 238000005452 bending Methods 0.000 title abstract description 4
- 230000009467 reduction Effects 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013000 roll bending Methods 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses a control system of a high-stability and large-radian pipe bending machine. The control system comprises a filter, a hydraulic pump, a pump motor, an overflow valve, a pressure meter, a pressure reducing valve, a throttle valve, four three-position four-way electromagnetic directional valves, a single-blade swinging hydraulic cylinder, hydraulic cylinders, a single-blade swinging hydraulic cylinder, pilot operated check valves, pressure relays, travel switches and a counter. When the control system is designed, a rapid forwarding loop, a rapid reversing loop and a feeding loop are independently led out, and are independent without influences, errors between transmission of a hydraulic part and transmission of a stepping motor are overcome, the transmission speed of the hydraulic part is controlled, and the mechanical properties of a bent part are guaranteed.
Description
Technical field
The utility model belongs to tube bender technical field, relates to the large radian pipe bender control system of a kind of high stable.
background technique
Along with the development of modern science and technology, the every technology of bend pipe has also been widely used in each production industry, particularly extensively use in fields such as boiler, pressurized container, petroleum and petrochemical industry engineerings, carry out the design elaboration of bending herein mainly for the pipe that in the household electric appliance such as refrigerator, automotive air-conditioning condenser, diameter is less, bend pipe in these equipment is all U-shaped structure repeatedly, and adopting the mode of bend pipe is roll bending formula bend pipe.The general structure of tube bender can be divided into work feeder, nut motor, clamp device, clamping crooked guiding mechanism, five parts of solid of rotation; Nut motor, clamping crooked guiding mechanism, solid of rotation consider to adopt oil hydraulic cylinder hydraulic transmission to realize.Feeding transmission, the materials overturning of bend pipe adopt the stepper motor kind of drive.The pipe that diameter is less carries out bending and should be noted that following point, and the first, the too fast meeting of transmission causes curved section mechanical properties decrease, and curved section can ftracture in long-time using process again.The second, the driving error problem between hydraulic part transmission and stepper motor.
Summary of the invention
For above-mentioned situation, the utility model provides a kind of high stable large radian pipe bender control system, when design, F.F., rewind down and work is entered to loop and all draws separately, separate, be independent of each other, solve the driving error problem between hydraulic part transmission and stepper motor.Control hydraulic part transmission speed, ensure curved section mechanical property.
To achieve these goals, the technical solution of the utility model is as follows:
The large radian pipe bender control system of high stable, comprise filter, oil hydraulic pump, pump motor, relief valve, pressure gauge, reduction valve, throttle valve, four 3-position 4-way solenoid directional control valves, single blade oscillating oil hydraulic cylinder, oil hydraulic cylinder, Pilot operated check valve, pressure relay, position limit switch, counter, it is characterized in that, between described filter and the first 3-position 4-way solenoid directional control valve 9, be connected by oil hydraulic pump, between oil hydraulic pump and the first 3-position 4-way solenoid directional control valve 9, be provided with relief valve and pressure gauge, the first 3-position 4-way solenoid directional control valve 9 is connected with single blade oscillating oil hydraulic cylinder, single blade oscillating oil hydraulic cylinder linkage counter, between relief valve and the first 3-position 4-way solenoid directional control valve 9, be provided with reduction valve, described reduction valve respectively with the second 3-position 4-way solenoid directional control valve 10, the 3rd 3-position 4-way solenoid directional control valve 11, the 4th 3-position 4-way solenoid directional control valve 12 connects, described the second 3-position 4-way solenoid directional control valve 10, the 3rd 3-position 4-way solenoid directional control valve 11, the 4th 3-position 4-way solenoid directional control valve 12 tops are equipped with Pilot operated check valve, Pilot operated check valve is connected with oil hydraulic cylinder, between Pilot operated check valve and oil hydraulic cylinder, is provided with pressure relay, on oil hydraulic cylinder, be provided with position limit switch.
?the large radian pipe bender control system of described high stable also comprises electrohydraulic control, comparator, hydraulic amplifier, electricapparatus transducer, setting value preprocessor, digital to analog converter, velocity transducer, gear rack speed measurement device, back pressure valve, series flow control valve, described electrohydraulic control all by series flow control valve respectively with the second 3-position 4-way solenoid directional control valve 10, the 3rd 3-position 4-way solenoid directional control valve 11, the 4th 3-position 4-way solenoid directional control valve 12 connects, electrohydraulic control is also connected with comparator, comparator is connected with hydraulic amplifier, hydraulic amplifier is connected with electricapparatus transducer, electricapparatus transducer is connected with setting value preprocessor, described hydraulic amplifier is also connected with digital to analog converter, and digital to analog converter Negotiation speed sensor is connected to gear rack speed measurement device.
Described the first 3-position 4-way solenoid directional control valve 9, the second 3-position 4-way solenoid directional control valve 10, the 3rd 3-position 4-way solenoid directional control valve 11, the 4th 3-position 4-way solenoid directional control valve 12 are connected with back pressure valve respectively.
The utility model has the advantages that: when design, F.F., rewind down and work are entered to loop and all draw separately, separate, be independent of each other, solve the driving error problem between hydraulic part transmission and stepper motor.Control hydraulic part transmission speed, ensure curved section mechanical property.
Brief description of the drawings
Fig. 1 is mechanical structure schematic diagram of the present utility model.
Fig. 2 is control system structural drawing.
Fig. 3 is control system workflow schematic diagram.
In the drawings: a-work feeder; B-nut motor; C-clamp device; D-clamps crooked guiding mechanism; E-solid of rotation; 1-filter; 2-oil hydraulic pump; 3-pump motor; 5-relief valve; 6-pressure gauge; 7-reduction valve; 8-throttle valve; 9,10,11,12-3-position 4-way solenoid directional control valve; The mono-blade oscillating oil hydraulic cylinder of 13-; 14,15,16-oil hydraulic cylinder; 17,18,19-Pilot operated check valve; 20,21,22-pressure relay; 23,24,25,26-position limit switch; 27-counter 28. electrohydraulic controls; 29. comparators; 30. hydraulic amplifiers; 31. electricapparatus transducers; 32. setting value preprocessors; 33. digital to analog converters; 34. velocity transducers; 35. gear rack speed measurement devices, 36-back pressure valve, 37,38,39-series flow control valve.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
The large radian pipe bender control system of high stable, comprise filter, oil hydraulic pump, pump motor, relief valve, pressure gauge, reduction valve, throttle valve, four 3-position 4-way solenoid directional control valves, single blade oscillating oil hydraulic cylinder, oil hydraulic cylinder, Pilot operated check valve, pressure relay, position limit switch, counter, it is characterized in that, between described filter and the first 3-position 4-way solenoid directional control valve 9, be connected by oil hydraulic pump, between oil hydraulic pump and the first 3-position 4-way solenoid directional control valve 9, be provided with relief valve and pressure gauge, the first 3-position 4-way solenoid directional control valve 9 is connected with single blade oscillating oil hydraulic cylinder, single blade oscillating oil hydraulic cylinder linkage counter, between relief valve and the first 3-position 4-way solenoid directional control valve 9, be provided with reduction valve, described reduction valve respectively with the second 3-position 4-way solenoid directional control valve 10, the 3rd 3-position 4-way solenoid directional control valve 11, the 4th 3-position 4-way solenoid directional control valve 12 connects, described the second 3-position 4-way solenoid directional control valve 10, the 3rd 3-position 4-way solenoid directional control valve 11, the 4th 3-position 4-way solenoid directional control valve 12 tops are equipped with Pilot operated check valve, Pilot operated check valve is connected with oil hydraulic cylinder, between Pilot operated check valve and oil hydraulic cylinder, is provided with pressure relay, on oil hydraulic cylinder, be provided with position limit switch.
The large radian pipe bender control system of described high stable also comprises electrohydraulic control, comparator, hydraulic amplifier, electricapparatus transducer, setting value preprocessor, digital to analog converter, velocity transducer, gear rack speed measurement device, back pressure valve, series flow control valve, described electrohydraulic control all by series flow control valve respectively with the second 3-position 4-way solenoid directional control valve 10, the 3rd 3-position 4-way solenoid directional control valve 11, the 4th 3-position 4-way solenoid directional control valve 12 connects, electrohydraulic control is also connected with comparator, comparator is connected with hydraulic amplifier, hydraulic amplifier is connected with electricapparatus transducer, electricapparatus transducer is connected with setting value preprocessor, described hydraulic amplifier is also connected with digital to analog converter, and digital to analog converter Negotiation speed sensor is connected to gear rack speed measurement device.
Described the first 3-position 4-way solenoid directional control valve 9, the second 3-position 4-way solenoid directional control valve 10, the 3rd 3-position 4-way solenoid directional control valve 11, the 4th 3-position 4-way solenoid directional control valve 12 are connected with back pressure valve respectively.
More than show and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what in above-described embodiment and specification, describe is principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (3)
1. the large radian pipe bender control system of high stable, comprise filter, oil hydraulic pump, pump motor, relief valve, pressure gauge, reduction valve, throttle valve, four 3-position 4-way solenoid directional control valves, single blade oscillating oil hydraulic cylinder, oil hydraulic cylinder, Pilot operated check valve, pressure relay, position limit switch, counter, it is characterized in that, between described filter and the first 3-position 4-way solenoid directional control valve (9), be connected by oil hydraulic pump, between oil hydraulic pump and the first 3-position 4-way solenoid directional control valve (9), be provided with relief valve and pressure gauge, the first 3-position 4-way solenoid directional control valve (9) is connected with single blade oscillating oil hydraulic cylinder, single blade oscillating oil hydraulic cylinder linkage counter, between relief valve and the first 3-position 4-way solenoid directional control valve (9), be provided with reduction valve, described reduction valve respectively with the second 3-position 4-way solenoid directional control valve (10), the 3rd 3-position 4-way solenoid directional control valve (11), the 4th 3-position 4-way solenoid directional control valve (12) connects, described the second 3-position 4-way solenoid directional control valve (10), the 3rd 3-position 4-way solenoid directional control valve (11), the 4th 3-position 4-way solenoid directional control valve (12) top are equipped with Pilot operated check valve, Pilot operated check valve is connected with oil hydraulic cylinder, between Pilot operated check valve and oil hydraulic cylinder, is provided with pressure relay, on oil hydraulic cylinder, be provided with position limit switch.
2. the large radian pipe bender control system of high stable according to claim 1, it is characterized in that, the large radian pipe bender control system of described high stable also comprises electrohydraulic control, comparator, hydraulic amplifier, electricapparatus transducer, setting value preprocessor, digital to analog converter, velocity transducer, gear rack speed measurement device, back pressure valve, series flow control valve, described electrohydraulic control all by series flow control valve respectively with the second 3-position 4-way solenoid directional control valve (10), the 3rd 3-position 4-way solenoid directional control valve (11), the 4th 3-position 4-way solenoid directional control valve (12) connects, electrohydraulic control is also connected with comparator, comparator is connected with hydraulic amplifier, hydraulic amplifier is connected with electricapparatus transducer, electricapparatus transducer is connected with setting value preprocessor, described hydraulic amplifier is also connected with digital to analog converter, and digital to analog converter Negotiation speed sensor is connected to gear rack speed measurement device.
3. the large radian pipe bender control system of high stable according to claim 1 and 2, it is characterized in that, described the first 3-position 4-way solenoid directional control valve (9), the second 3-position 4-way solenoid directional control valve (10), the 3rd 3-position 4-way solenoid directional control valve (11), the 4th 3-position 4-way solenoid directional control valve (12) are connected with back pressure valve respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014446.5U CN203743138U (en) | 2014-01-10 | 2014-01-10 | Control system of high-stability and large-radian pipe bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014446.5U CN203743138U (en) | 2014-01-10 | 2014-01-10 | Control system of high-stability and large-radian pipe bending machine |
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| Publication Number | Publication Date |
|---|---|
| CN203743138U true CN203743138U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420014446.5U Expired - Lifetime CN203743138U (en) | 2014-01-10 | 2014-01-10 | Control system of high-stability and large-radian pipe bending machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246619A (en) * | 2016-08-17 | 2016-12-21 | 南通东海机床制造集团有限公司 | A kind of hydraulic system of bender |
| CN107387506A (en) * | 2017-07-31 | 2017-11-24 | 江苏大学 | A kind of dual-workpiece abrasive Flow polishes machine hydraulic power system |
| CN110332160A (en) * | 2019-06-20 | 2019-10-15 | 济南三越自动化有限公司 | A kind of electro-hydraulic servo hydraulic control system based on Serve Motor Control |
-
2014
- 2014-01-10 CN CN201420014446.5U patent/CN203743138U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246619A (en) * | 2016-08-17 | 2016-12-21 | 南通东海机床制造集团有限公司 | A kind of hydraulic system of bender |
| CN107387506A (en) * | 2017-07-31 | 2017-11-24 | 江苏大学 | A kind of dual-workpiece abrasive Flow polishes machine hydraulic power system |
| CN110332160A (en) * | 2019-06-20 | 2019-10-15 | 济南三越自动化有限公司 | A kind of electro-hydraulic servo hydraulic control system based on Serve Motor Control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI XIAOHE DISPLAY EQUIPMENT TECHNOLOGY CO., Free format text: FORMER NAME: SHANGHAI XIAOHE DISPLAY EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Pudong New Area East Kanqiao road 200120 Shanghai City No. 1, No. 8 Building 3 layer Patentee after: SHANGHAI XIAOHE DISPLAY EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: 200120, Shanghai, Pudong New Area, Pudong New Area Cambridge Town, Cambridge East Road, No. 8, building 1, 3 floor Patentee before: SHANGHAI XIAOHE DISPLAY EQUIPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |