CN102744761B - Automatic control system of continuous pressing machine - Google Patents
Automatic control system of continuous pressing machine Download PDFInfo
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- CN102744761B CN102744761B CN201210234530.3A CN201210234530A CN102744761B CN 102744761 B CN102744761 B CN 102744761B CN 201210234530 A CN201210234530 A CN 201210234530A CN 102744761 B CN102744761 B CN 102744761B
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- China
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- cooling line
- host computer
- automatic control
- control system
- mitre saw
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- 238000003825 pressing Methods 0.000 title abstract description 3
- 238000001816 cooling Methods 0.000 claims abstract description 48
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 239000000835 fiber Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract 1
- 239000011094 fiberboard Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000005587 bubbling Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention discloses an automatic control system of a continuous pressing machine. The system comprises an upper computer, a human-computer interface, a controller, a field slave station and input and output equipment, wherein the upper computer is arranged in a main control chamber; the human-computer interface is arranged in a field; the human-computer interface is respectively connected with the upper computer and the controller; the controller is respectively connected with the field slave station and the input and output equipment; the human-computer interface comprises a first human-computer interface, a second human-computer interface and a third human-computer interface; the controllers correspondingly connected with the human-computer interfaces are a mitre saw, a cooling line and a temporary stacking device respectively; and an instruction button used for sending a specification-replacing instruction is arranged on the upper computer. In such way, the automatic control system provided by the invention is reliable in operation, fiber plates with different specifications can be adjusted according to production conditions at any time, a production order can be sent at any time and automatic control can be realized according to order data, so that the specifications are replaced under the production condition that materials are continuously fed and the machine is not stopped, the continuity of the production is ensured, and the yield is improved.
Description
Technical field
The present invention relates to a kind of continuous press, particularly relate to a kind of automatic control system of continuous press.
Background technology
The producer with continuous press producd fibers plate in all parts of the country is a lot, production procedure generally: the fiber of milled through mating formation, precompressed, moulding, press hot pressing, tiltedly but saw cuts, cooling line is cooling, stacking and storage.
Home and abroad continuous press is when changing different size, and control program is all to adopt fracture to shut down, and a upper dimension board is drained from production line, then resends new specification order, then drives press and produce.So often change a specification and will cause some plates and tailgate, also have a large amount of defective plates of bubbling plate, cause larger waste, increased cost.
In addition, production line is by original design, the length and width of plank are all subject to certain restrictions, during some special requirement fiberboards that client needs, because plank length and width are not in the scope of specification, original production equipment and software program design do not reach production requirement, want just can not produce over the fiberboard size of a little length and width.
Current fiberboard industry is by the original saturated superfluous state that supply falls short of demand till now, client is more and more harsher to the demand of plank, often to the technique of fiberboard and size, can propose many specific (special) requirements, many producd fibers plates enterprise is difficult to make such product.
Enterprise, in order to adapt to market, increases the market competitiveness, will try every possible means to produce the product of customer requirement, but at original production line, do not reach again production requirement, and in order to produce new product, again invest new production line equipment, will invest huge, apparatus expensive, cost is high, and enterprise is difficult to bear.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of automatic control system of continuous press; reliable; can to the fiberboard parameter of different size, adjust at any time according to concrete working condition; issue at any time production order; according to order data, automatically control; realized and under the non-stop-machine condition of production of fracture, more do not finished changing specification, guaranteed the continuity of producing, improved output.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the automatic control system that a kind of continuous press is provided, comprise the host computer being arranged in master-control room, be arranged on on-the-spot man-machine interface, controller and on-the-spot slave station and input-output equipment, described man-machine interface is connected with controller with host computer respectively, controller is connected with input-output equipment with on-the-spot slave station, described man-machine interface comprises the first man-machine interface, the second man-machine interface and the 3rd man-machine interface, its corresponding controller connecting is respectively mitre saw, cooling line and interim stacking, described host computer is provided with and sends the order button of changing specification instruction.
In a preferred embodiment of the present invention, the connecting line that described man-machine interface is connected with controller with host computer is respectively Ethernet cable.
In a preferred embodiment of the present invention, described mitre saw, cooling line and the connecting line that interim three controllers of stacking are connected with input-output equipment with on-the-spot slave station are fieldbus and cable.
In a preferred embodiment of the present invention, described mitre saw, cooling line and interim three controllers of stacking are PLC controller.
In a preferred embodiment of the present invention, described cooling line comprises the adjustable end stop of conveying cylinder, magnetic valve and solenoid control.
In a preferred embodiment of the present invention, the magnetic valve in described cooling line comprises the first magnetic valve, the second magnetic valve and the 3rd magnetic valve, and the adjustable end stop of this solenoid control comprises the first adjustable end stop, the second adjustable end stop and the 3rd adjustable end stop.
In a preferred embodiment of the present invention, it is characterized in that, in described interim stacking, alignment means is installed, described alignment means comprises alignment magnetic valve, alignment baffle plate and cylinder.
In a preferred embodiment of the present invention, in described host computer, mitre saw, cooling line and interim stacking, be equipped with PLC input and output point.
In a preferred embodiment of the present invention, the push-button contact signal access PLC input and output of the order button of described host computer by the order button inside signal of changing specification of naming a person for a particular job is sent to mitre saw, make mitre saw obtain an input signal by PLC input and output point, the order parameter that mitre saw is revised according to host computer brings into operation, and enters cooling line and interim stacking after mitre saw cuts.
In a preferred embodiment of the present invention, the order parameter that described host computer is revised is transmitted by Ethernet cable, Ethernet cable is delivered to order parameter in mitre saw by data block form, and mitre saw cuts according to the order parameter in data block.
The invention has the beneficial effects as follows: the automatic control system of continuous press of the present invention, host computer by operator in master-control room is revised the order parameter needing, by the order button installing additional, send and change specification instruction, order parameter is delivered to mitre saw, in cooling line and interim stacking, thereby control saw and cut the length needing, compare original control system, this automatic control system does not need to shut down, with regard to replaceable specification, and on original basis, can do the super-long and super-wide special requirement plate that originally can not do, keep the continuity of producing, useless plate and bubbling plate have been reduced, improved output.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of automatic control system one preferred embodiment of continuous press of the present invention;
Fig. 2 is the structural representation of cooling line in Fig. 1;
Fig. 3 is the structural representation of alignment means on interim stacking in Fig. 1;
In accompanying drawing, the mark of each parts is as follows: 1, cooling plate rack, 2, conveying cylinder, the 31, first magnetic valve, the 32, second magnetic valve, 33, the 3rd magnetic valve, 41, the first adjustable end stop, the 42, second adjustable end stop, the 43, the 3rd adjustable end stop, 5, mechanical shutter, 6, magnetic valve, 7, alignment baffle plate, 8, cylinder.
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Referring to Fig. 1, is the structured flowchart of automatic control system one preferred embodiment of continuous press of the present invention.The automatic control system of this continuous press comprises the host computer that is arranged in master-control room, is arranged on on-the-spot man-machine interface, controller and on-the-spot slave station and input-output equipment, described man-machine interface is connected with controller with host computer respectively by Ethernet cable, and controller is connected on-the-spot slave station with cable by fieldbus with input-output equipment.
In above-mentioned, man-machine interface comprises the first man-machine interface, the second man-machine interface and the 3rd man-machine interface, its corresponding controller connecting is respectively mitre saw, cooling line and interim stacking, and this mitre saw, cooling line and interim three controllers of stacking are PLC controller.
As shown in Figure 2, described cooling line comprises cooling plate rack 1, is arranged on adjustable end stop and the mechanical shutter 5 of conveying cylinder 2, magnetic valve and solenoid control on cooling plate rack 1, this magnetic valve comprises the first magnetic valve 31, the second magnetic valve 32 and the 3rd magnetic valve 33, corresponding adjustable end stop is the first adjustable end stop 41, the second adjustable end stops 42 and the 3rd adjustable end stop 43.
As shown in Figure 3, in described interim stacking, alignment means is installed, this alignment means comprises alignment magnetic valve 6, alignment baffle plate 7 and cylinder 8.
Host computer in the present invention in master-control room is provided with and sends the order button (figure does not look) of changing specification instruction, is provided with push-button contact signal in described order button; In described host computer, mitre saw, cooling line and interim stacking, be equipped with PLC input and output point.
The push-button contact signal access PLC input and output of the order button of host computer by the order button inside signal of changing specification of naming a person for a particular job is sent to mitre saw, make mitre saw obtain an input signal by PLC input and output point, the order parameter that mitre saw is revised according to host computer brings into operation, and enters cooling line and interim stacking after mitre saw cuts.Wherein, the order parameter that described host computer is revised is transmitted by Ethernet cable, and Ethernet cable is delivered to order parameter in mitre saw by data block form, and mitre saw cuts according to the order parameter in data block.
While changing specification, revise the order parameter parameter that plank needs on the host computer computer of operator in master-control room, the order parameter of plank is issued to tiltedly but saw place by order button order parameter.Tiltedly but saw is received after order parameter, length and width as required cut plank, plank after cutting is transported to cooling line place by the conveying cylinder 2 on cooling plate rack 1, cooling line place is by the first adjustable end stop 41, the second adjustable end stop 42, the 3rd adjustable end stop 43 and the mechanical shutter 5 of the first magnetic valve 31, the second magnetic valve 32 and the 3rd magnetic valve 33 and solenoid control, according to the length of plank, by adjustable end stop corresponding to programme-control, risen, on cooling plate rack 1, plank is alignd, then send cooling line.Go out after cooling line, then align by the neat magnetic valve 6 in alignment means and alignment baffle plate 7 planks, then by cylinder 8, enter interim stacking.
The pungent northern Er Kangpu production line of continuous press of Germany of take is example, pungent northern Er Kangpu continuous press all must be changed specification by fracture when producing all different size planks, the plain board size of producing, long is 5520mm---6340mm, wide is 2460---2660, and the pungent northern Er Kangpu continuous press of Germany will reach not fracture, and plain board size will be accomplished long 4600mm---6510mm, width reaches 2280---2660mm, has following problem to want to solve (problem is arranged with the forming process of plank):
1, need to solve when sending new order not fracture problem;
2, form wire deburring saw must reach slab deburring width at any time, the deburring problem of press outlet;
3, mitre saw cuts problem according to new order;
4, enter after cooling plate rack to direct problem (can not meet the demands because doing the original aligning guide of overlength plate);
5, enter interim stacking to direct problem.
Above problem specifically solves and realizes in the following way:
Solve first problem realizes in program software, on host computer in master-control room, be provided with an order button, push-button contact signal access PLC input and output point, and revision is planned one way order, by revising different parameters and pressing newly-increased order button, new order is issued to out to printed line.
Solving Second Problem is to be equipped with PLC input and output point in mitre saw, cooling line and interim stacking, update routine software, and the command signal of sending by order button is adjusted plank deburring and is sawed the problem that the movement of motor reaches deburring at any time.The former profiled sheeting deburring saw of press outlet is no problem to the width deburring of 2651mm, but the narrow boards width of 2280mm does not reach deburring, can not deburring process, until after post processing sanding, then saw deburring with deburring.
Solving the 3rd problem is tiltedly but to saw and cut, and after new order issues, former deburring saw cuts automatically according to order parameter, has realized cutting of special requirement.
Solve four problems, plank is when entering cooling plate rack 1, former specification length is 5520-6340 mm, equipment itself has the adjustable end stop of three solenoid control that carry, according to different specification length, select different adjustable end stops to align, because being overlength plate 6510mm, after three adjustable end stops, install a mechanical shutter 5 additional, the 6510mm place of its position conveying cylinder 2 on cooling plate rack 1, and update routine, when being greater than 6340mm plate, first three adjustable end stop lowers by solenoid control, utilize mechanical shutter 5 fixedly plank align.
Solve the 5th problem, plank, when entering interim stacking, by actual specification length, calculates with motor driving and encoder, and plank alignment is moved to the length needing, and then magnetic valve 6 is controlled the flexible alignment plank of the baffle plates 7 that align.Former travel mechanism can only arrive 6510mm, but while being narrow boards 4600mm, neat baffle plate 7 shift motions machinery tooth bars fall short of, need to lengthen mobile rack 900mm, weld, readjust limit switch, lengthen removal cable drag chain, and the software of modifying is realized in the program software of interim stacking.
In above-mentioned, in host computer, mitre saw, cooling line and interim stacking, be equipped with PLC input and output point, can use the standby point of former module, when standby point in module is inadequate, can consider to increase module again configuration realize.All modifications of program can be carried out on former basis, after modification, again download in controller.
The automatic control system of the continuous press that the present invention discloses; host computer by operator in master-control room is revised the order parameter needing; by the order button installing additional, send and change specification instruction; order parameter is delivered in mitre saw, cooling line and interim stacking; thereby control saw and cut the length needing; compare original control system; existing system does not need to shut down; with regard to replaceable specification; and on original basis, can do the super-long and super-wide special requirement plate that originally can not do; keep the continuity of producing, reduced useless plate and bubbling plate, improved output.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. the automatic control system of a continuous press, it is characterized in that, comprise the host computer being arranged in master-control room, be arranged on on-the-spot man-machine interface, controller and on-the-spot slave station and input-output equipment, described man-machine interface is connected with controller with host computer respectively, controller is connected with input-output equipment with on-the-spot slave station, described man-machine interface comprises the first man-machine interface, the second man-machine interface and the 3rd man-machine interface, its corresponding controller connecting is respectively mitre saw, cooling line and interim stacking, described host computer, mitre saw, in cooling line and interim stacking, be equipped with PLC input and output point, described host computer is provided with and sends the order button of changing specification instruction, the push-button contact signal access PLC input and output of the order button of described host computer by the order button inside signal of changing specification of naming a person for a particular job is sent to mitre saw, make mitre saw obtain an input signal by PLC input and output point, the order parameter that mitre saw is revised according to host computer brings into operation, after cutting, mitre saw enters cooling line and interim stacking, wherein, described cooling line comprises cooling plate rack, be arranged on the conveying cylinder on cooling plate rack, the adjustable end stop of magnetic valve and solenoid control and mechanical shutter,
While changing specification, on the host computer of operator in master-control room, revise the order parameter parameter that plank needs, the order parameter of plank is issued to tiltedly but saw place by order button order parameter, tiltedly but saw is received after order parameter, length and width as required cut plank, plank after cutting is transported to cooling line place by the conveying cylinder on cooling plate rack, cooling line place is by adjustable end stop and the mechanical shutter of magnetic valve and solenoid control, according to the length of plank, by adjustable end stop corresponding to programme-control, risen, on cooling plate rack, plank is alignd, then send cooling line, go out after cooling line, by alignment means, enter interim stacking again.
2. the automatic control system of continuous press according to claim 1, is characterized in that, the connecting line that described man-machine interface is connected with controller with host computer is respectively Ethernet cable.
3. the automatic control system of continuous press according to claim 1, is characterized in that, described mitre saw, cooling line and the connecting line that interim three controllers of stacking are connected with input-output equipment with on-the-spot slave station are fieldbus and cable.
4. the automatic control system of continuous press according to claim 1, is characterized in that, described mitre saw, cooling line and interim three controllers of stacking are PLC controller.
5. the automatic control system of continuous press according to claim 1, is characterized in that, described cooling line comprises the adjustable end stop of conveying cylinder, magnetic valve and solenoid control.
6. the automatic control system of continuous press according to claim 5, it is characterized in that, magnetic valve in described cooling line comprises the first magnetic valve, the second magnetic valve and the 3rd magnetic valve, and the adjustable end stop of this solenoid control comprises the first adjustable end stop, the second adjustable end stop and the 3rd adjustable end stop.
7. the automatic control system of continuous press according to claim 1, it is characterized in that, the order parameter that described host computer is revised is transmitted by Ethernet cable, Ethernet cable is delivered to order parameter in mitre saw by data block form, and mitre saw cuts according to the order parameter in data block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210234530.3A CN102744761B (en) | 2012-07-09 | 2012-07-09 | Automatic control system of continuous pressing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210234530.3A CN102744761B (en) | 2012-07-09 | 2012-07-09 | Automatic control system of continuous pressing machine |
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| CN102744761A CN102744761A (en) | 2012-10-24 |
| CN102744761B true CN102744761B (en) | 2014-09-10 |
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| CN104511961A (en) * | 2013-12-15 | 2015-04-15 | 广西鹿寨通用人造板有限公司 | Quick automatic throwing board control device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19701570A1 (en) * | 1997-01-17 | 1998-07-23 | Siempelkamp Gmbh & Co | Continuous press for producing wooden and plastics panels |
| DE19927969A1 (en) * | 1998-06-22 | 1999-12-23 | Siemens Ag | Fibre mat processing method |
| CN101357514A (en) * | 2007-12-17 | 2009-02-04 | 江苏扬力集团有限公司 | Pressing device closed-cycle control system |
| CN101477360A (en) * | 2008-12-18 | 2009-07-08 | 天津市天锻压力机有限公司 | Multi-module data transmission communication system |
| CN101566838A (en) * | 2009-06-05 | 2009-10-28 | 洛阳矿山机械工程设计研究院有限责任公司 | Automatic control method of high-pressure roller briquetting machine |
| CN202079666U (en) * | 2011-04-27 | 2011-12-21 | 上海板机电气制造有限公司 | Medium-density fiber board continuous press and chain blanket position detection system thereof |
| CN202177813U (en) * | 2011-07-01 | 2012-03-28 | 周玉成 | Continuous hot press management-control integrated system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4038531A (en) * | 1976-05-18 | 1977-07-26 | Weyerhaeuser Company | Process control apparatus for controlling a particleboard manufacturing system |
-
2012
- 2012-07-09 CN CN201210234530.3A patent/CN102744761B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19701570A1 (en) * | 1997-01-17 | 1998-07-23 | Siempelkamp Gmbh & Co | Continuous press for producing wooden and plastics panels |
| DE19927969A1 (en) * | 1998-06-22 | 1999-12-23 | Siemens Ag | Fibre mat processing method |
| CN101357514A (en) * | 2007-12-17 | 2009-02-04 | 江苏扬力集团有限公司 | Pressing device closed-cycle control system |
| CN101477360A (en) * | 2008-12-18 | 2009-07-08 | 天津市天锻压力机有限公司 | Multi-module data transmission communication system |
| CN101566838A (en) * | 2009-06-05 | 2009-10-28 | 洛阳矿山机械工程设计研究院有限责任公司 | Automatic control method of high-pressure roller briquetting machine |
| CN202079666U (en) * | 2011-04-27 | 2011-12-21 | 上海板机电气制造有限公司 | Medium-density fiber board continuous press and chain blanket position detection system thereof |
| CN202177813U (en) * | 2011-07-01 | 2012-03-28 | 周玉成 | Continuous hot press management-control integrated system |
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| CN102744761A (en) | 2012-10-24 |
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Effective date of registration: 20231201 Address after: 212310 the northern side of Daya South Road, Danyang Development Zone, Danyang City, Zhenjiang City, Jiangsu, China Patentee after: DARE WOOD BASED PANEL GROUP Co.,Ltd. Address before: 344000 Fuhua Industrial Park, Fuzhou City, Jiangxi Province Patentee before: Dare Wood (Jiangxi) Co.,Ltd. Patentee before: DARE WOOD BASED PANEL GROUP Co.,Ltd. |
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