CN103676774A - PLC (programmable logic controller) secondary control loop of numerical control sawing machine - Google Patents
PLC (programmable logic controller) secondary control loop of numerical control sawing machine Download PDFInfo
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- CN103676774A CN103676774A CN201310641425.6A CN201310641425A CN103676774A CN 103676774 A CN103676774 A CN 103676774A CN 201310641425 A CN201310641425 A CN 201310641425A CN 103676774 A CN103676774 A CN 103676774A
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Abstract
The invention discloses a PLC (programmable logic controller) secondary control loop of a numerical control sawing machine. The PLC secondary control loop comprises a PLC circuit and a touch screen circuit which are sequentially connected through a data line, and PLC is connected in the PLC circuit. By the above mode, control performance and safety performance of the sawing machine can be effectively improved, and parts can be precisely cut.
Description
Technical field
The present invention relates to sawing machine control loop field, particularly relate to a kind of PLC control loop of computerized numerical control sawing machine.
Background technology
Sawing machine is people's conventional cutter sweeps when blocking or cutting off all kinds of workpiece, and existing sawing machine is divided into hand-held sawing machine and table sawing machine substantially.Hand-held sawing machine small volume, has a housing conventionally, is provided with the parts such as motor in housing, in housing one side, is provided with the grinding wheel as cutting tool, and grinding wheel is lowered turn in the driving of motor and moved, for cut workpiece.Hand-held sawing machine also has a handshake part, during use, grasps handshake part and carries out cutting operation.
The grinding wheel diameter that hand-held sawing machine uses is less, and general diameter is 100 millimeters to 200 millimeters, and because hand-held sawing machine is by user's hand-held, randomness is larger, once careless manipulation is easy to cause grinding wheel to break, causes personal injury.And, during due to cut workpiece, workpiece is larger to the reacting force of hand-hold shearing unit, often needs both hands to hold with a firm grip and carries out operation, need to use other holding workpieces by piece-holder to be cut, or need other people that workpiece to be cut is held with a firm grip, this all makes troubles to operation, in addition, and different users's operating habit, skill level difference, also cause the stability of operation there are differences, cut quality is unstable.Table sawing machine volume is relatively large, it has a support, support is provided with the piece-holder assembly for holding workpiece, by workpiece to be processed being cut by motor-driven grinding wheel, the grinding wheel diameter that table sawing machine is used is larger, normally more than 250 millimeters, be applicable to cutting large-scale workpiece.
Yet, table sawing machine is because grinding wheel diameter is larger, be not suitable on the contrary cutting miniature workpiece, and during cutting miniature workpiece, be difficult to realize cutting accurately, and the movement before and after present sawing machine all can only carry out, if processing work diameter is larger, the process time of so this cutting mode is long, and cut surface out-of-flatness, accurate.Above two kinds of sawing machines all do not have control circuit, so handling and security performance are not fine, in reality cutting, cannot accurately cut accurate parts.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of PLC control loop of computerized numerical control sawing machine, can effectively improve handling and the security performance of sawing machine, cuts more accurate parts.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: PLC the control loop that a kind of computerized numerical control sawing machine is provided, comprise: PLC circuit and touch screen circuitry, described PLC circuit is connected by data line successively with touch screen circuitry, in PLC circuit, is connected with PLC.
Preferably, the output of described PLC circuit comprises that water pump relay coil, FP Fuel Pump Relay coil, fast-descending relay coil, work enter relay coil, sawing machine vertical relay coil, the tight relay coil of front clamp, front pincers and unclamp that relay coil, feeding relay coil, material returned relay coil, forceps major clamp relay coil, forceps major unclamps relay coil, feeding slow-operating relay coil, red alarm lamp and yellow alarm lamp, the Y0 of described PLC, Y1, Y2, Y3, Y4, Y5, Y6, Y7, Y10, Y11, Y12, Y13, Y14, Y15 contact successively with water pump relay coil, FP Fuel Pump Relay coil, fast-descending relay coil, work is entered relay coil, sawing machine vertical relay coil, the tight relay coil of front clamp, front pincers unclamp relay coil, feeding relay coil, material returned relay coil, forceps major clamps relay coil, forceps major unclamps relay coil, feeding slow-operating relay coil, red alarm lamp, one end of yellow alarm lamp connects, water pump relay coil, FP Fuel Pump Relay coil, fast-descending relay coil, work is entered relay coil, sawing machine vertical relay coil, the tight relay coil of front clamp, front pincers unclamp relay coil, feeding relay coil, material returned relay coil, forceps major clamps relay coil, forceps major unclamps relay coil, feeding slow-operating relay coil, red alarm lamp, the other end of yellow alarm lamp is connected to AC24V contact, the COM0 of PLC, COM1, COM2, COM3, COM4 contact are connected to AC0V contact.
Preferably, the input of described PLC circuit comprises that feed length detects, upper limit position switch, lower position switch, feeding origin switch, broken belt detector switch, without material detector switch, temperature alarming switch, saw wheel overspeed switch, oil pump overload switch, water pump overload switch, the X0 of described PLC, X1, X2, X3, X4, X5, X6, X7, X10, X11, X12 contact is detected with feed length successively, upper limit position switch, lower position switch, feeding origin switch, broken belt detector switch, without material detector switch, temperature alarming switch, saw wheel overspeed switch, oil pump overload switch, one end of water pump overload switch connects, described feed length detects, upper limit position switch, lower position switch, feeding origin switch, broken belt detector switch, without material detector switch, temperature alarming switch, saw wheel overspeed switch, oil pump overload switch, the other end of water pump overload switch is connected with COM0.
The invention has the beneficial effects as follows: the present invention can effectively improve handling and the security performance of sawing machine.
Accompanying drawing explanation
Fig. 1 is the electrical principle schematic diagram of PLC control loop of computerized numerical control sawing machine of the present invention;
In accompanying drawing, the mark of each parts is as follows: 63, feed length detects; 67, upper limit position switch; 69, lower position switch; 71, feeding origin switch; 73, broken belt detector switch; 75, without material detector switch; 77, temperature alarming switch; 79, saw wheel overspeed switch; 81, oil pump overload switch; 83, water pump overload switch; 85, water pump relay coil; 87, FP Fuel Pump Relay coil; 89, fast-descending relay coil; 91, work is entered relay coil; 93, sawing machine vertical relay coil; 95, the tight relay coil of front clamp; 97, front pincers unclamp relay coil; 99, feeding relay coil; 101, material returned relay coil; 103, forceps major clamps relay coil; 105, forceps major unclamps relay coil; 107, feeding slow-operating relay coil; 109, red alarm lamp; 111, yellow alarm lamp.
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.
Refer to Fig. 1, the embodiment of the present invention comprises:
A PLC control loop of computerized numerical control sawing machine, comprises the PLC circuit and the touch screen circuitry that by data line, connect successively, in PLC circuit, is connected with PLC, described main PLC circuit output comprises water pump relay coil 85, FP Fuel Pump Relay coil 87, fast-descending relay coil 89, work is entered relay coil 91, sawing machine vertical relay coil 93, the tight relay coil 95 of front clamp, front pincers unclamp relay coil 97, feeding relay coil 99, material returned relay coil 101, forceps major clamps relay coil 103, forceps major unclamps relay coil 105, feeding slow-operating relay coil 107, red alarm lamp 109, yellow alarm lamp 111, the Y0 of described PLC, Y1, Y2, Y3, Y4, Y5, Y6, Y7, Y10, Y11, Y12, Y13, Y14, Y15 contact successively with water pump relay coil 85, FP Fuel Pump Relay coil 87, fast-descending relay coil 89, work is entered relay coil 91, sawing machine vertical relay coil 93, the tight relay coil 95 of front clamp, front pincers unclamp relay coil 97, feeding relay coil 99, material returned relay coil 101, forceps major clamps relay coil 103, forceps major unclamps relay coil 105, feeding slow-operating relay coil 107, red alarm lamp 109, one end of yellow alarm lamp 111 connects, water pump relay coil 85, FP Fuel Pump Relay coil 87, fast-descending relay coil 89, work is entered relay coil 91, sawing machine vertical relay coil 93, the tight relay coil 95 of front clamp, front pincers unclamp relay coil 97, feeding relay coil 99, material returned relay coil 101, forceps major clamps relay coil 103, forceps major unclamps relay coil 105, feeding slow-operating relay coil 107, red alarm lamp 109, the other end of yellow alarm lamp 111 is connected to AC24V contact, the COM0 of PLC, COM1, COM2, COM3, COM4, contact are connected to AC0V contact, described PLC circuit input comprises that feed length detects 63, upper limit position switch 67, lower position switch 69, feeding origin switch 71, broken belt detector switch 73, without material detector switch 75, temperature alarming switch 77, saw wheel overspeed switch 79, oil pump overload switch 81, water pump overload switch 83, the X0 of affiliated PLC, X1, X2, X3, X4, X5, X6, X7, X10, X11, the contact of X12 detects 63 with feed length successively, 65, upper limit position switch 67, lower position switch 69, feeding origin switch 71, broken belt detector switch 73, without material detector switch 75, temperature alarming switch 77, saw wheel overspeed switch 79, oil pump overload switch 81, one end of water pump overload switch 83 connects, the other end is connected with COM0.
The present invention can effectively improve handling and the security performance of cutting machine, cuts more accurate parts.
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 instructions 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 (3)
1. PLC time of a computerized numerical control sawing machine control loop, is characterized in that, comprising: PLC circuit and touch screen circuitry, described PLC circuit is connected by data line successively with touch screen circuitry, in PLC circuit, is connected with PLC.
2. PLC time of computerized numerical control sawing machine according to claim 1 control loop, is characterized in that: the output of described PLC circuit comprises that water pump relay coil, FP Fuel Pump Relay coil, fast-descending relay coil, work enter relay coil, sawing machine vertical relay coil, the tight relay coil of front clamp, front pincers and unclamp that relay coil, feeding relay coil, material returned relay coil, forceps major clamp relay coil, forceps major unclamps relay coil, feeding slow-operating relay coil, red alarm lamp and yellow alarm lamp, the Y0 of described PLC, Y1, Y2, Y3, Y4, Y5, Y6, Y7, Y10, Y11, Y12, Y13, Y14, Y15 contact successively with water pump relay coil, FP Fuel Pump Relay coil, fast-descending relay coil, work is entered relay coil, sawing machine vertical relay coil, the tight relay coil of front clamp, front pincers unclamp relay coil, feeding relay coil, material returned relay coil, forceps major clamps relay coil, forceps major unclamps relay coil, feeding slow-operating relay coil, red alarm lamp, one end of yellow alarm lamp connects, water pump relay coil, FP Fuel Pump Relay coil, fast-descending relay coil, work is entered relay coil, sawing machine vertical relay coil, the tight relay coil of front clamp, front pincers unclamp relay coil, feeding relay coil, material returned relay coil, forceps major clamps relay coil, forceps major unclamps relay coil, feeding slow-operating relay coil, red alarm lamp, the other end of yellow alarm lamp is connected to AC24V contact, the COM0 of PLC, COM1, COM2, COM3, COM4 contact are connected to AC0V contact.
3. PLC time of computerized numerical control sawing machine according to claim 1 control loop, it is characterized in that: the input of described PLC circuit comprises that feed length detects, upper limit position switch, lower position switch, feeding origin switch, broken belt detector switch, without material detector switch, temperature alarming switch, saw wheel overspeed switch, oil pump overload switch, water pump overload switch, the X0 of described PLC, X1, X2, X3, X4, X5, X6, X7, X10, X11, X12 contact is detected with feed length successively, upper limit position switch, lower position switch, feeding origin switch, broken belt detector switch, without material detector switch, temperature alarming switch, saw wheel overspeed switch, oil pump overload switch, one end of water pump overload switch connects, described feed length detects, upper limit position switch, lower position switch, feeding origin switch, broken belt detector switch, without material detector switch, temperature alarming switch, saw wheel overspeed switch, oil pump overload switch, the other end of water pump overload switch is connected with COM0.
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| CN201310641425.6A CN103676774A (en) | 2013-12-03 | 2013-12-03 | PLC (programmable logic controller) secondary control loop of numerical control sawing machine |
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| CN201310641425.6A CN103676774A (en) | 2013-12-03 | 2013-12-03 | PLC (programmable logic controller) secondary control loop of numerical control sawing machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202102289U (en) * | 2011-05-17 | 2012-01-04 | 金华汉生机电控制工程有限公司 | Band sawing machine controller |
| CN102672533A (en) * | 2012-04-30 | 2012-09-19 | 苏州赛特尔集团机械有限公司 | Programmable logic controller (PLC) main control loop for numerical control sawing machine |
| CN102681484A (en) * | 2012-04-30 | 2012-09-19 | 苏州赛特尔集团机械有限公司 | Programmable logic controller (PLC) minor control loop for numerical control sawing machine |
| CN203266276U (en) * | 2013-05-15 | 2013-11-06 | 丽水学院 | Metal band sawing machine PLC control device |
| CN203292943U (en) * | 2013-04-22 | 2013-11-20 | 丽水学院 | Feed movement feedback control device of metal band sawing machine |
-
2013
- 2013-12-03 CN CN201310641425.6A patent/CN103676774A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202102289U (en) * | 2011-05-17 | 2012-01-04 | 金华汉生机电控制工程有限公司 | Band sawing machine controller |
| CN102672533A (en) * | 2012-04-30 | 2012-09-19 | 苏州赛特尔集团机械有限公司 | Programmable logic controller (PLC) main control loop for numerical control sawing machine |
| CN102681484A (en) * | 2012-04-30 | 2012-09-19 | 苏州赛特尔集团机械有限公司 | Programmable logic controller (PLC) minor control loop for numerical control sawing machine |
| CN203292943U (en) * | 2013-04-22 | 2013-11-20 | 丽水学院 | Feed movement feedback control device of metal band sawing machine |
| CN203266276U (en) * | 2013-05-15 | 2013-11-06 | 丽水学院 | Metal band sawing machine PLC control device |
Non-Patent Citations (1)
| Title |
|---|
| 孔艳艳: "基于PLC的带锯床控制系统设计", 《机械研究与应用》, vol. 26, no. 4, 31 August 2013 (2013-08-31), pages 173 - 174 * |
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Application publication date: 20140326 |