CN102179833A - Energy conservation control method and control device for paper cutting machine - Google Patents
Energy conservation control method and control device for paper cutting machine Download PDFInfo
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- CN102179833A CN102179833A CN 201110069324 CN201110069324A CN102179833A CN 102179833 A CN102179833 A CN 102179833A CN 201110069324 CN201110069324 CN 201110069324 CN 201110069324 A CN201110069324 A CN 201110069324A CN 102179833 A CN102179833 A CN 102179833A
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Abstract
The invention discloses an energy conservation control method and an energy conservation control device for a paper cutting machine. In the control method, only one single oil pump is used, so that a motor is used for providing dynamic force for a paper pressing machine, a clutch and a bedplate respectively and separately in sequence, and the output power of the motor is not superposed any more to fulfill the aim of energy conservation of the paper cutting machine. The energy conservation control device for realizing the method comprises a system control part, a paper pressing device control part and a clutch control part, wherein the inlet end of the oil pump is connected with an oil tank, and the outlet end of the oil pump is used for connecting a disassembly device to the oil tank, connecting a paper pressing oil circuit control device to a paper pressing oil cylinder and connecting a clutch oil circuit control device to a clutch oil cylinder; the paper pressing oil cylinder is connected with a paper pressing oil circuit pressure maintaining device and an energy storage device; and the clutch oil cylinder is connected with a clutch oil circuit pressure maintaining device and the energy storage device. After the method and the control device are used, the power of an order-of-magnitude selection motor can be reduced, the motor is more stably operated, an energy conservation effect is obvious, and energy can be saved by more than 25 percent.
Description
Technical field
The present invention relates to paper cutter, be specifically related to a kind of paper cutter energy-saving control method and energy-saving control device thereof.
Background technology
In the course of work of conventional paper cutter, paper cutter cuts when motion, and motor provides power simultaneously for double-united oil pump and cutter bed, and the general power of motor cuts power for double-united oil pump power adds.In the paper cutter serial model No., the double-united oil pump power of design accounts for about 30% of motor power (output).
Mainly there are following shortcoming in the control method and the control device of conventional paper cutter:
1. in arrangement, location when cutting thing (holding state), motor is in Light Condition, the conservation measures of paper cutter generally is to utilize the flywheel store kinetic energy, in the process of cutting, discharge flywheel energy and reach purpose of energy saving, but the overweight motor starting difficulty of flywheel, therefore be subjected to the restriction of factors such as flywheel diameter and weight, the flywheel energy stored is restricted.
2. the course of work is to control by job order simply, causes each bearing power is superposeed simultaneously, does not have the fine characteristics that hydraulic jack reaches does not need to continue fuel feeding after the thrust of utilizing, and the pressure fuel pump oil white causes the waste of the energy in vain from the overflow valve overflow.
3. hydraulic system is used double-united oil pump, and main oil pump is that paper-weight oil cylinder fuel feeding auxiliary oil pump is the clutch oil oil supply cylinder, and the duplex oil cylinder does not only have simply connected oil cylinder working stability, and external oil circuit is many, and potential faults is higher.
Summary of the invention
Purpose of the present invention is the shortcoming that overcomes above-mentioned conventional paper cutter, and the paper cutter energy-saving control method and the control device thereof of a kind of good energy-conserving effect, working stability is provided.
Realize that technical scheme of the present invention is:
A kind of paper cutter energy-saving control method, the control step of this method is:
1) paper cutter is when holding state, and motor start-up drives oil pump, and oil pump unloads by discharge mechanism, and motor is in Light Condition;
2) in the time of need cutting, discharge mechanism cuts out the unloading oil circuit, and platen oil circuit control device is opened platen control oil circuit, and motor provides power for oil pump, and the oil pump pressure oil output promotes the platen oil cylinder and drives paper-weight work, and is simultaneously oil-filled to the platen hydraulic energy storage device;
3) after paper-weight was pushed down and cut thing, platen oil circuit control device cut out platen control oil circuit, and stopping oil pump is platen oil cylinder fuel feeding, and the platen oil cylinder provides the pressurize oil sources by the platen hydraulic energy storage device;
4) stop oil pump and be platen oil cylinder fuel feeding after, clutch oil circuit control device is opened the Clutch Control oil circuit, motor provides power for oil pump, oil pump output hydraulic oil promotes clutch oil cylinder and drives the work of cutter bed, and is simultaneously oil-filled to the clutch accumulator;
5) when cutter bed setting in motion, clutch oil circuit control device cuts out the Clutch Control oil circuit, and stopping oil pump is the clutch oil oil supply cylinder, and clutch oil cylinder provides the pressurize oil sources by the clutch accumulator;
6) stop oil pump and be the clutch oil oil supply cylinder after, discharge mechanism is opened the unloading oil circuit, oil pump unloads by discharge mechanism, motor drives cutter bed cuts motion;
7) finish the work of cutting after, paper-weight pressurizer, clutch pressurizer are opened oil circuit unloading, paper-weight oil cylinder, clutch oil cylinder return, paper cutter is got back to holding state, motor is in Light Condition.
By above-mentioned steps, finish once cutting working cycles, each time period motor provides power respectively separately.
A kind of energy-saving control device of realizing above-mentioned paper cutter energy-saving control method comprises systems control division branch, paper-weight control part and Clutch Control partly, described systems control division subpackage oil scraper pump and discharge mechanism; Described paper-weight control partly comprises platen oil circuit control device, platen oil circuit pressurizer and platen hydraulic accumulation energy device; Described Clutch Control partly comprises clutch oil circuit control device, clutch oil circuit pressurizer and clutch hydraulic pressure energy storage device; Described oil pump entrance point is connected with fuel tank, and the port of export is connected with fuel tank, is connected with the platen oil cylinder, is connected with clutch oil cylinder by clutch oil circuit control device by platen oil circuit control device by discharge mechanism; Be connected with platen oil circuit pressurizer between platen oil cylinder and the fuel tank, platen oil circuit control device is equipped with platen hydraulic accumulation energy device with being connected of platen oil cylinder on the oil circuit; Be connected with clutch oil circuit pressurizer between clutch oil cylinder and the fuel tank, clutch oil circuit control device is equipped with the clutch hydraulic pressure energy storage device with being connected of clutch oil cylinder on the oil circuit; Described oil pump is the simply connected oil pump, and described connection is oil circuit and connects.
The described oil pump port of export is connected with fuel tank by system safety devices.
The described oil pump port of export is connected with fuel tank by system's adjusting device.
Be connected clutch oil circuit overflow mechanism between described clutch oil cylinder and the fuel tank.
Described discharge mechanism is the unloading magnetic valve.
Described platen oil circuit control device is the paper-weight magnetic valve.
Described platen oil circuit pressurizer is a platen pressurize magnetic valve.
Described clutch oil circuit control device is a clutch solenoid valve.
Described clutch oil circuit pressurizer is a clutch pressurize magnetic valve.
And in the control device of Fig. 1, conventional paper cutter shown in Figure 3, its control method is: motor 101 provides power for paper-weight 110, clutch 109 and the cutter bed 108 of paper cutter.After paper cutter started, motor 101 startups were in holding state, and by paper-weight magnetic valve 208, clutch solenoid valve 212 off-loads, motor is in Light Condition to double-united oil pump 202,209 respectively.In the time of need cutting article, paper-weight oil pump 202 off-load oil circuits are closed in 208 energisings of paper-weight magnetic valve, pressure oil promotes 114 work of platen oil cylinder, after paper-weight 110 is pushed down and is cut thing, clutch oil pump 209 off-load oil circuits are closed in clutch solenoid valve 212 energisings, hydraulic oil promotes clutch oil cylinder 109 work, and cutter bed 108 cuts motion under motor 101 drives.After finishing the work, clutch solenoid valve 212, paper-weight magnetic valve 208 outage successively, clutch oil cylinder 109, paper-weight oil cylinder 114 returns are finished a working cycles, and paper cutter is got back to holding state.
By contrast, the beneficial effect of control device of the present invention and control method is embodied in:
1. according to the paper cutter work characteristics, utilize motor power (output) respectively separately, avoid power consumption invalid overlapping, the loss motor power (output) in different time sections.Can directly reduce an order of magnitude like this and select motor power (output).
2. accumulator works asynchronously with oil cylinder, and normality is not stored pressure oil, no potential safety hazard.
3. use after this energy-saving control system, hydraulic system only need be used a simply connected oil pump, has improved the stability of oil pump, reduces cost.
Description of drawings
Fig. 1 is the structural representation of paper cutter.
Fig. 2 is a control device schematic diagram of the present invention.
Fig. 3 is original paper cutter HYDRAULIC CONTROL SYSTEM schematic diagram.
Fig. 4 is an embodiments of the invention hydraulic control schematic diagram.
Number in the figure: 1-discharge mechanism, 2-system regulator, 3-system safety devices, 4-clutch oil circuit overflow mechanism, 5-platen oil circuit pressurizer, 6-clutch oil circuit control device, 7-clutch oil circuit pressurizer, 8-platen oil circuit control device, 101-motor, 102--belt pulley, 103-oil pump, 104-cut drive disk assembly, 105-pull bar sub-assembly, 106-safety device, 107-tractive magnet, 108-cutter bed, 109-clutch oil cylinder, 110-paper-weight, 111-paper-weight pull bar, 112-hydraulic control system, 113-rocking bar, 114-platen oil cylinder, 115-balance iron, 201-oil filter, 202-paper-weight oil pump, 203-Pressure gauge, 204-safety valve, 205-hydraulic system pressure regulator valve, 206-foot valve, 207-foot-operated overflow valve, 208-paper-weight magnetic valve, 209-clutch oil pump, 210-Pressure gauge, 211-clutch and regulating valve, 212-clutch solenoid valve, 301-oil filter, 302-oil pump, 303-Pressure gauge, 304-hydraulic system safety valve, 305-regulation of hydraulic system valve, 306-foot valve, 307-foot-operated overflow valve, 308-unloading magnetic valve, 309-platen pressurize magnetic valve, 310-platen magnetic valve, 311-platen hydraulic energy storage device, 312-clutch solenoid valve, 313-clutch hydraulic pressure accumulator, 314-clutch overflow valve, 315-clutch pressurize magnetic valve.
The specific embodiment
Referring to Fig. 1, Fig. 2 and Fig. 4: paper cutter energy-saving control device of the present invention, comprise systems control division branch, paper-weight control partly and Clutch Control partly, systems control division subpackage oil scraper pump and discharge mechanism 1; Paper-weight control partly comprises platen oil circuit control device 8, platen oil circuit pressurizer 5 and platen hydraulic accumulation energy device; Clutch Control partly comprises clutch oil circuit control device 6, clutch oil circuit pressurizer 7 and clutch hydraulic pressure energy storage device; Described oil pump 302 entrance points are connected with fuel tank, and the port of export is connected with fuel tank, is connected with platen oil cylinder 114, is connected with clutch oil cylinder 109 by clutch oil circuit control device 6 by platen oil circuit control device 8 by discharge mechanism 1; Be connected with platen oil circuit pressurizer 5 between platen oil cylinder 114 and the fuel tank, platen oil circuit control device 8 with platen hydraulic accumulation energy device (that is, the platen hydraulic energy storage device 311) is installed on the oil circuit being connected of platen oil cylinder 114; Be connected with clutch oil circuit pressurizer 7 between clutch oil cylinder 109 and the fuel tank, clutch oil circuit control device 6 with clutch hydraulic pressure energy storage device (that is, the clutch hydraulic pressure accumulator 313) is installed on the oil circuit being connected of clutch oil cylinder 109; Oil pump 302 is the simply connected oil pump, connects to be the oil circuit connection.Described oil pump 302 ports of export are connected with fuel tank by system safety devices 3; Described oil pump 302 ports of export are connected with fuel tank by system's adjusting device 2; Be connected clutch oil circuit overflow mechanism 4 between described clutch oil cylinder 109 and the fuel tank.
Above-mentioned discharge mechanism 1 is unloading magnetic valve 308; Above-mentioned platen oil circuit control device 8 is a paper-weight magnetic valve 310; Above-mentioned platen oil circuit pressurizer 5 is a platen pressurize magnetic valve 309; Above-mentioned clutch oil circuit control device 6 is a clutch solenoid valve 312; Above-mentioned clutch oil circuit pressurizer 7 is a clutch pressurize magnetic valve 315.
Referring to Fig. 4: paper cutter energy-saving control device of the present invention, comprise systems control division branch, paper-weight control part and Clutch Control partly, described systems control division subpackage oil scraper pump 302 and unloading magnetic valve 308, oil pump 302 is the simply connected oil pump, oil pump 302 entrance points are connected with fuel tank by oil filter 301, and oil pump 302 ports of export connect fuel tank by unloading magnetic valve 308; Described paper-weight control partly comprises platen magnetic valve 310, platen pressurize magnetic valve 309 and platen hydraulic energy storage device 311, oil pump 302 ports of export are connected with platen oil cylinder 114 by platen magnetic valve 310, be connected with platen pressurize magnetic valve 309 between platen oil cylinder 114 and the fuel tank, platen magnetic valve 310 is equipped with platen hydraulic energy storage device 311 with being connected of platen oil cylinder 114 on the oil circuit; Described Clutch Control partly comprises clutch solenoid valve 312, clutch pressurize magnetic valve 315 and clutch hydraulic pressure accumulator 313, oil pump 302 ports of export are connected with clutch oil cylinder 109 by clutch solenoid valve 312, be connected clutch pressurize magnetic valve 315 between clutch oil cylinder 109 and the fuel tank, clutch solenoid valve 312 is equipped with clutch hydraulic pressure accumulator 313 with being connected of clutch oil cylinder 109 on the oil circuit.Described oil pump 302 ports of export also are associated with hydraulic system safety valve 304 to fuel tank.Oil pump 302 also is associated with regulation of hydraulic system valve 305 to fuel tank.Be connected clutch overflow valve 314 between described clutch oil cylinder 109 and the fuel tank.The common connection end of described unloading magnetic valve 308, platen pressurize magnetic valve 309 is connected with fuel tank by foot valve 306.Described foot valve 306 is parallel with foot-operated overflow valve 307.
Energy-saving control method step of the present invention is 1) when paper cutter was worked, motor start-up drove oil pump 302, and oil pump 302 is by 308 unloadings of unloading magnetic valve, and motor is in Light Condition; 2) in the time of need cutting, unloading magnetic valve 308 cuts out the unloading oil circuit, and platen magnetic valve 310 is opened platen control oil circuit, and motor provides power for oil pump 302, oil pump 302 pressure oil output promote 114 work of platen oil cylinder, and are simultaneously oil-filled to platen hydraulic energy storage device 311; 3) after paper-weight was pushed down and cut thing, platen magnetic valve 310 cut out platen control oil circuit, stopped oil pump 302 and was platen oil cylinder 114 fuel feeding, and platen oil cylinder 114 provides the pressurize oil sources by platen hydraulic energy storage device 311; 4) stop oil pump 302 for behind platen oil cylinder 114 fuel feeding, clutch solenoid valve 312 is opened the Clutch Control oil circuit, motor provides power for oil pump 302, and oil pump 302 output hydraulic oil promote clutch oil cylinder 109 work, and are simultaneously oil-filled to clutch hydraulic pressure accumulator 313; 5) when cutter bed 108 setting in motions, clutch solenoid valve 312 is closed the Clutch Control oil circuit, stops oil pump 302 and is clutch oil cylinder 109 fuel feeding, and clutch oil cylinder 109 provides the pressurize oil sources by clutch hydraulic pressure accumulator 313; 6) stop oil pump 302 for behind clutch oil cylinder 109 fuel feeding, unloading magnetic valve 308 is opened the unloading oil circuit, and oil pump 302 is by 308 unloadings of unloading magnetic valve, and motor drives cutter bed 108 cuts motion; 7) finish the work of cutting after, platen pressurize magnetic valve 309, clutch pressurize magnetic valve 315 are opened oil circuit unloading, paper-weight oil cylinder 114, clutch oil cylinder 109 returns, paper cutter is got back to holding state, motor is in Light Condition.
By above-mentioned steps, finish once cutting working cycles, each time period motor provides power respectively separately.
The present invention makes full use of and cuts the short characteristics of process time, uses little volume accumulator.
The present invention is very convenient to the transformation of traditional paper cutter, only needs to change hydraulic pressure conglomerate assembly, increases relay, adjusts electrical apparatus control system, and the motor of changing a little model gets final product.
Claims (10)
1. paper cutter energy-saving control method, it is characterized in that: the control step of this method is:
1) paper cutter is when holding state, and motor start-up drives oil pump, and oil pump unloads by discharge mechanism, and motor is in Light Condition;
2) in the time of need cutting, discharge mechanism cuts out the unloading oil circuit, and platen oil circuit control device is opened platen control oil circuit, and motor provides power for oil pump, and the oil pump pressure oil output promotes the work of platen oil cylinder, and is simultaneously oil-filled to the platen hydraulic energy storage device;
3) after paper-weight was pushed down and cut thing, platen oil circuit control device cut out platen control oil circuit, and stopping oil pump is platen oil cylinder fuel feeding, and the platen oil cylinder provides the pressurize oil sources by the platen hydraulic energy storage device;
4) stop oil pump and be platen oil cylinder fuel feeding after, clutch oil circuit control device is opened the Clutch Control oil circuit, motor provides power for oil pump, oil pump output hydraulic oil promotes the clutch oil cylinder working, and is simultaneously oil-filled to the clutch accumulator;
5) when cutter bed setting in motion, clutch oil circuit control device cuts out the Clutch Control oil circuit, and stopping oil pump is the clutch oil oil supply cylinder, and clutch oil cylinder provides the pressurize oil sources by the clutch accumulator;
6) stop oil pump and be the clutch oil oil supply cylinder after, discharge mechanism is opened the unloading oil circuit, oil pump unloads by discharge mechanism, motor drives cutter bed cuts motion;
7) finish the work of cutting after, paper-weight pressurizer, clutch pressurizer are opened oil circuit unloading, paper-weight oil cylinder, clutch oil cylinder return, paper cutter is got back to holding state, motor is in Light Condition;
By above-mentioned steps, finish once cutting working cycles, each time period motor provides power respectively separately.
2. an energy-saving control device of realizing the described paper cutter energy-saving control method of claim 1 comprises systems control division branch, paper-weight control part and Clutch Control partly, it is characterized in that: described systems control division subpackage oil scraper pump and discharge mechanism; Described paper-weight control partly comprises platen oil circuit control device, platen oil circuit pressurizer and platen hydraulic accumulation energy device; Described Clutch Control partly comprises clutch oil circuit control device, clutch oil circuit pressurizer and clutch hydraulic pressure energy storage device; Described oil pump entrance point is connected with fuel tank, and the port of export is connected with fuel tank, is connected with the platen oil cylinder, is connected with clutch oil cylinder by clutch oil circuit control device by platen oil circuit control device by discharge mechanism; Be connected with platen oil circuit pressurizer between platen oil cylinder and the fuel tank, platen oil circuit control device is equipped with platen hydraulic accumulation energy device with being connected of platen oil cylinder on the oil circuit; Be connected with clutch oil circuit pressurizer between clutch oil cylinder and the fuel tank, clutch oil circuit control device is equipped with the clutch hydraulic pressure energy storage device with being connected of clutch oil cylinder on the oil circuit; Described oil pump is the simply connected oil pump, and described connection is oil circuit and connects.
3. paper cutter energy-saving control device according to claim 2 is characterized in that: the described oil pump port of export is connected with fuel tank by system safety devices.
4. according to claim 2 or 3 described paper cutter energy-saving control devices, it is characterized in that: the described oil pump port of export is connected with fuel tank by system's adjusting device.
5. paper cutter energy-saving control device according to claim 2 is characterized in that: be connected clutch oil circuit overflow mechanism between described clutch oil cylinder and the fuel tank.
6. paper cutter energy-saving control device according to claim 2 is characterized in that: described discharge mechanism is the unloading magnetic valve.
7. paper cutter energy-saving control device according to claim 2 is characterized in that: described platen oil circuit control device is the paper-weight magnetic valve.
8. paper cutter energy-saving control device according to claim 2 is characterized in that: described platen oil circuit pressurizer is a platen pressurize magnetic valve.
9. paper cutter energy-saving control device according to claim 2 is characterized in that: described clutch oil circuit control device is a clutch solenoid valve.
10. paper cutter energy-saving control device according to claim 2 is characterized in that: described clutch oil circuit pressurizer is a clutch pressurize magnetic valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100693247A CN102179833B (en) | 2011-03-22 | 2011-03-22 | Energy conservation control method and control device for paper cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100693247A CN102179833B (en) | 2011-03-22 | 2011-03-22 | Energy conservation control method and control device for paper cutting machine |
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| CN102179833A true CN102179833A (en) | 2011-09-14 |
| CN102179833B CN102179833B (en) | 2012-11-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691687A (en) * | 2012-05-29 | 2012-09-26 | 浙江华岳包装机械有限公司 | Integral type valve block device of hydraulic system of paper cutting machine |
| CN109372828A (en) * | 2018-10-15 | 2019-02-22 | 中国北方车辆研究所 | A kind of hydraulic control system for comprehensive actuator |
| CN109429920A (en) * | 2018-11-28 | 2019-03-08 | 苏州金莱克精密机械有限公司 | Replace the double protection structures on the grass dressing machine of blade assembly in a kind of front |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0911183A (en) * | 1995-06-28 | 1997-01-14 | Nec Corp | Cutter device for recording paper |
| WO2006070528A1 (en) * | 2004-12-28 | 2006-07-06 | Brother Kogyo Kabushiki Kaisha | Printer |
| CN101298145A (en) * | 2008-06-07 | 2008-11-05 | 夏碎娒 | All-hydraulic guillotines machine |
| CN201192858Y (en) * | 2008-05-28 | 2009-02-11 | 东莞市骏利机械有限公司 | Carboard processor |
| CN201228684Y (en) * | 2008-07-22 | 2009-04-29 | 薛伟 | Paper cutting machine hydraulic system |
-
2011
- 2011-03-22 CN CN2011100693247A patent/CN102179833B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0911183A (en) * | 1995-06-28 | 1997-01-14 | Nec Corp | Cutter device for recording paper |
| WO2006070528A1 (en) * | 2004-12-28 | 2006-07-06 | Brother Kogyo Kabushiki Kaisha | Printer |
| CN201192858Y (en) * | 2008-05-28 | 2009-02-11 | 东莞市骏利机械有限公司 | Carboard processor |
| CN101298145A (en) * | 2008-06-07 | 2008-11-05 | 夏碎娒 | All-hydraulic guillotines machine |
| CN201228684Y (en) * | 2008-07-22 | 2009-04-29 | 薛伟 | Paper cutting machine hydraulic system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691687A (en) * | 2012-05-29 | 2012-09-26 | 浙江华岳包装机械有限公司 | Integral type valve block device of hydraulic system of paper cutting machine |
| CN109372828A (en) * | 2018-10-15 | 2019-02-22 | 中国北方车辆研究所 | A kind of hydraulic control system for comprehensive actuator |
| CN109372828B (en) * | 2018-10-15 | 2022-09-09 | 中国北方车辆研究所 | Hydraulic control system for comprehensive transmission device |
| CN109429920A (en) * | 2018-11-28 | 2019-03-08 | 苏州金莱克精密机械有限公司 | Replace the double protection structures on the grass dressing machine of blade assembly in a kind of front |
| CN109429920B (en) * | 2018-11-28 | 2024-04-19 | 苏州金莱克精密机械有限公司 | Double protection structure on grass combing machine with front-side blade assembly replaced |
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| Publication number | Publication date |
|---|---|
| CN102179833B (en) | 2012-11-07 |
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Denomination of invention: Energy conservation control method and control device for paper cutting machine Effective date of registration: 20170929 Granted publication date: 20121107 Pledgee: Industrial Commercial Bank of China Ltd Deyang branch Pledgor: Deyang Litong Printing Machinery Co., Ltd. Registration number: 2017990000937 |