CN110385367B - Automatic monitoring control system for die breaking punch needle - Google Patents
Automatic monitoring control system for die breaking punch needle Download PDFInfo
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- CN110385367B CN110385367B CN201910570858.4A CN201910570858A CN110385367B CN 110385367 B CN110385367 B CN 110385367B CN 201910570858 A CN201910570858 A CN 201910570858A CN 110385367 B CN110385367 B CN 110385367B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 52
- 238000004080 punching Methods 0.000 claims abstract description 70
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- 101100520231 Caenorhabditis elegans plc-3 gene Proteins 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 39
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- 230000000007 visual effect Effects 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000013201 Stress fracture Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
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- 238000012806 monitoring device Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Forging (AREA)
Abstract
The invention relates to an automatic monitoring control system for a die breaking punch pin, which comprises a die module, a monitoring module, a press and a PLC control system, wherein the die module is connected with the press and the PLC control system through the monitoring module, the die module comprises a plurality of die punching pins, the monitoring module comprises a power supply, a signal input port, a signal output port and a relay unit, the monitored part of each die punching pin is connected with the corresponding signal input port, the power supply, the die punching pins, the signal input port and the relay unit form a closed circuit, and the output ports of all the relay units are connected with the signal output port after being connected in series and are communicated with the press and the PLC control system to form a closed loop. The invention realizes automatic real-time monitoring of the abnormality of the broken punch pin of the die and timely feedback of the broken punch pin signal, improves the production efficiency and reduces the production cost.
Description
Technical Field
The invention relates to a mold protector, in particular to an automatic monitoring and controlling system for a mold breaking punch pin, and belongs to the technical field of mold protection and control.
Background
In the aspects of stamping, forging and stamping production in the modern die industry, semi-automation or full automation is realized to different degrees. The production process is gradually changed from an early personnel-intensive industrial mode to an unmanned factory automatic production mode; the method is characterized in that a simple single engineering die is changed into a high-precision continuous die, even a large-scale continuous die, and a multi-station manipulator conveying die; the visual tracking operation of the production operators is upgraded to the photoelectric integrated automatic monitoring control technology. Therefore, the method also provides more serious requirements and challenges for various technical links of die design, processing, manufacturing and even industrial automatic production and upgrading in the technical field of automatic monitoring and control.
In order to meet the requirements of high-speed automatic production of die stamping, general die practitioners can design and install a plurality of opto-mechanical and electronic integrated sensing monitoring control systems on the die, such as a common continuous die false feed monitoring device, a universal bottom dead center detection device in the electronic die industry, a multi-station manipulator conveying die, an automatic discharging photoelectric sensing device of the continuous die and other peripheral auxiliary equipment of the pressure machine, so as to automatically monitor the real-time working states of the pressure machine and the die, ensure the stable and reliable operation of an automatic production link, and expect to timely respond monitoring signals to a machine tool PLC control system and realize quick shutdown when abnormal working conditions occur to the pressure machine or the die, and simultaneously send out an acousto-optic alarm signal to remind equipment operators and die operators of timely maintenance, thereby avoiding serious accidents such as mass bad work-in-process, production rejection, die cracking, die explosion, equipment damage, personnel disability and the like and minimizing economic losses.
However, for the automatic production system in the punching, forging and fine punching industries, especially for some industrial enterprises of high-speed automatic production such as thick material punching dies, progressive dies, high-strength steel product punching dies, multi-station conveying dies and the like, the problem that the thick material punching is easy to break and punch pins occurs when the punching pins are broken and pulled under the conditions that the strength of the punching holes on some thick materials is weak, and the tensile strength, the compressive strength and the shearing strength of processed plates are very high. Meanwhile, in the small hole punching procedures of drawing dies, shaping dies and trimming and punching dies of automobile covering parts with uneven stress or complex strain such as lateral tensile stress, compressive stress and the like, frequent stress fracture or stretch-breaking is more easily generated due to complex and changeable stress working conditions of punching needles. The break of the punching needle in the above situation has quite large randomness and sporadic property, and can not be pre-judged in advance, and the punching needle can be broken in any time period and under any working condition, and even unpredictable break occurs in the normal design life of the punching needle. Because the broken punching needle of the die is not found by line production personnel in time in production, the dropped punching needle directly causes the occurrence of die plate cracking or even die explosion, and the die maintenance or remanufacturing cost is huge. Meanwhile, hundreds of stamping semi-finished products with missing and poor punching are not found and are informed when the products flow to downstream host factories and customer production line assembly production, and a large amount of manpower and material resources are spent for batch reworking. The problems cause extremely serious economic loss and order delay loss for both punching production enterprises and final assembly customer host factories, and more serious, some semi-finished products are directly scrapped because of being unable to be repaired.
Currently, for the above problems, the existing solutions are: firstly, a die maintenance person performs regular maintenance on the die, the punching needles with potential fracture hidden trouble are replaced in advance, and when the design life of the punching needles is not reached, the punching needles are replaced in advance in batches, so that a plurality of punching needle consumable materials are scrapped prematurely, the due value of the punching needles cannot be fully utilized to generate serious waste, and even so, the unpredictable fracture of the new replaced punching needles can not be ensured at any time and under any working condition; secondly, after the die punching pin is broken and found by line inspection personnel, the whole automatic production line is manually controlled to stop, then die maintenance personnel are arranged to disassemble and repair the die and replace broken punching pins, a broken template and the like, and the scrapped product stamping parts due to missing punching holes or die breaking are selected, so that the fact that the batch quality of the product stamping parts is poor, scrapped, the die is broken and the press is broken is also caused, and even more irreversible damage is possibly caused to the hardware of the press equipment, and the production cost loss is great.
Disclosure of Invention
The invention aims to overcome the defects, provide an automatic monitoring and controlling system for the broken punch needle of the die, and provide a control system for realizing automatic real-time monitoring of abnormality of the broken punch needle of the die and timely feedback of broken punch needle signals, so that the production efficiency of the die stamping industry is improved, the production cost is reduced, and the social benefit is increased.
The purpose of the invention is realized in the following way:
The utility model provides an automatic monitoring control system of broken towards needle of mould, it includes mould module, monitoring module and press and PLC control system, the mould module passes through monitoring module and is connected with press and PLC control system, the mould module includes a plurality of mould towards the needle, the monitoring module includes power, signal input port, signal output port and relay unit, every mould towards the monitored department of needle all with corresponding signal input port connection, power, mould towards needle, signal input port and relay unit and form closed circuit, all relay unit's output port is connected with signal output port after establishing ties to communicate press and PLC control system, form a closed circuit.
The automatic monitoring and controlling system for the broken punch pin of the die is characterized in that a monitoring module is hung on the periphery of a press machine and serves as peripheral equipment of equipment, and the system comprises an independent power supply, a signal input port, a signal output port, an entity relay unit and a PLC soft relay unit.
A die breaking needle automatic monitoring control system is characterized in that a monitoring module is arranged in a main loop of a PLC control system of a press, shares a logic software relay of the PLC, and provides a breaking needle information acquisition input port of the die module and an output port of the PLC logic relay.
A die break needle automatic monitoring control system is characterized in that a relay and a signal input short-circuit switch are connected in parallel in a relay unit.
A die breaking punching needle automatic monitoring control system is characterized in that a monitored position of each die punching needle is provided with a proximity switch sensor module which is connected with a corresponding signal input port.
A die breaking needle automatic monitoring control system is characterized in that a die module is arranged between an upper sliding block and a lower table top of a press machine.
The automatic monitoring and controlling system for the broken punch pins of the die comprises an upper die holder, die punch pins, punch pin fixing plates, stop plates, a stripper plate, a concave die plate, a lower base plate and a lower die holder, wherein the upper die holder is arranged below an upper sliding block, a plurality of die punch pins are arranged on the bottom surface of the upper die holder through the fixing plates, the upper parts and the lower parts of the die punch pins are easy to break, the stop plates are arranged in the middle parts of the die punch pins, and the stripper plate is arranged on the lower parts of the die punch pins; the lower table top is provided with a lower die holder, the lower die holder is provided with a lower base plate, and the lower base plate is provided with a concave die plate.
Compared with the prior art, the invention has the beneficial effects that:
(1) The automatic punching needle breaking system automatically monitors the condition of the broken punching needle of the die, responds timely and implements triggering protection, can feed back and control the emergency stop of the whole automatic production system at one moment of the broken punching needle, avoids serious production accidents of subsequent punching parts, such as bad batch property, scrapping, cracking of the die plate, die bursting and breaking of the press machine equipment caused by the fact that the automatic production system is continuously in operation with diseases after the die breaks the punching needle, enables accidents caused by the abnormality of the broken punching needle to be controllable, improves the product quality and the production efficiency, reduces the rejection loss of defective products and the huge economic loss caused by the damage of the die and the equipment, and increases the production benefit.
(2) The invention fully plays the maximum design life of the punching needle of the die, reduces the cost loss caused by frequent maintenance and advanced replacement of the punching needle of the die, maximizes the service time and the design life of the punching needle, reduces the replacement times of the punching needle within the design life, reduces the maintenance cost of the die and improves the competitiveness of the product.
(3) The invention has strong universality, can be flexibly applied to various die structures in various stamping, forging and stamping industries, is not limited by the industries and the product types, and can realize the automatic production process monitoring control of the whole press production line by designing the stamping needle and the sensor module into an independent closed control loop in the die, thereby obviously improving the production efficiency and the economic benefit and minimizing the economic loss caused by abnormal line stop of the die.
Drawings
Fig. 1 is a schematic diagram of the present invention in a normal state.
Fig. 2 is a schematic diagram of the abnormal state of the present invention.
Fig. 3 is a schematic structural diagram of a monitoring module according to the present invention.
Wherein:
The die comprises a die module 1, an upper die holder 1.1, a die punching needle 1.2, a proximity switch sensor module 1.3, a fixing plate 1.4, a stop plate 1.5, a stripper plate 1.6, a die plate 1.7, a lower base plate 1.8, a lower die holder 1.9, a monitoring module 2, a signal input end power supply module 2.1, a signal acquisition relay module 2.2, a signal acquisition terminal module 2.3, a signal input short-circuit switch 2.4, a signal output relay module 2.5, a signal output end power supply module 2.6, a press machine and a PLC control system 3, an upper sliding block 3.1 and a lower table top 3.2.
Detailed Description
Example 1:
Referring to fig. 1-3, the automatic monitoring and controlling system for the die breaking punch pin comprises a die module 1, a monitoring module 2 and a press and PLC control system 3, wherein the die module 1 is connected with the monitoring module 2, and the monitoring module 2 is connected with the press and the PLC control system 3.
The die module 1 is arranged between an upper sliding block 3.1 and a lower table top 3.2 of the press, the die module 1 comprises an upper die holder 1.1, a die punching needle 1.2, a proximity switch sensor module 1.3, a punching needle fixing plate 1.4, a stop plate 1.5, a stripper plate 1.6, a female die plate 1.7, a lower base plate 1.8 and a lower die holder 1.9, the upper die holder 1.1 is arranged below the upper sliding block 3.1, a plurality of die punching needles 1.2 are arranged on the bottom surface of the upper die holder 1.1 through the fixing plate 1.4, a proximity switch sensor module 1.3 is arranged on the upper part and the lower part of the die punching needle 1.2, the upper part and the lower part of the die punching needle 1.2 are easy to break, a stop plate 1.5 is arranged in the middle of the die punching needle 1.2, and a stripper plate 1.6 is arranged on the lower part of the die punching needle; the lower table top 3.2 is provided with a lower die holder 1.9, the lower die holder 1.9 is provided with a lower base plate 1.8, and the lower base plate 1.8 is provided with a concave die plate 1.7.
The press and PLC control system 3 comprises a PLC, all software and hardware control system units, a software and hardware relay, a main motor electric loop unit, an upper sliding block 3.1 and a lower table top 3.2 of the press.
The monitoring module 2 comprises a signal input end power supply module 2.1, a signal acquisition relay module 2.2, a signal acquisition terminal module 2.3, a signal input short-circuit switch 2.4, a signal output relay module 2.5 and a signal output end power supply module 2.6, wherein the negative electrode of the signal input end power supply module 2.1 is connected with an upper die holder 1.1 of the die module 1, each proximity switch sensor module 1.3 is connected with the positive electrode of the signal input end power supply module 2.1 through the signal acquisition terminal module 2.3 and the signal output relay module 2.5, an electric loop unit is formed, each proximity switch sensor module 1.3 corresponds to one signal output relay module 2.5, the output ports of the signal output relay modules 2.5 are connected in series, and the signal output end power supply modules 2.6 are connected to form a closed loop and are communicated with the press and the PLC control system 3.
The relay and the signal input short-circuit switch 2.4 are connected in parallel in the signal output relay module 2.5, and the signal output relay module 2.5 is connected with a signal indicator lamp.
Working principle:
The monitoring module is used as an independent peripheral product and is externally hung on the periphery of the press and used as auxiliary supporting equipment of the press, the monitoring module comprises a power supply, a transformer module and a software relay and a hardware relay with a certain loop number, and the monitoring module is respectively in data acquisition and exchange with the die module and a PLC control system of the press through input signals and output signal ports. The method comprises the steps of feeding back the broken punch needle signals collected from the die module in real time, performing system control on the relay by using an electric principle of weak current control and strong current control, connecting an output port of the relay with a press control circuit, and switching on or switching off a main motor working loop of the press according to the real-time signals so as to realize real-time monitoring control on the whole automatic production process of the press equipment.
Under the condition that all punching needles are normal, a closed loop formed by a sensor and an input end signal acquisition relay module is conducted, and an automatic production system can maintain normal operation.
When any one or more of the die punching pins are broken, the proximity switch sensor corresponding to the broken die punching pin is broken, the signal acquisition relay circuit at the input end connected with the die punching pin is synchronously powered off, the output end of the relay is timely broken, the output relay circuit is interrupted, the signal is fed back to the PLC system control loop of the press, the output port of the solid relay driven by the control loop is broken, the contactor of the main motor of the press is further powered off, the motor stops running, the whole automatic production line is also stopped in time and sends out an audible and visual alarm signal, the system is restarted again until a die maintainer replaces the punching pin and repairs the die, and the automatic production system of the whole press equipment can start running again.
Example 2:
referring to fig. 1-3, unlike embodiment 1, the automatic monitoring control system for the broken punch pin of the die according to the present invention is characterized in that the monitoring module is used as a system control unit, is built in the main loop of the PLC control system of the press, shares the logic software relay of the PLC, and provides the broken punch pin information acquisition input port of the die module and the output port of the PLC logic relay.
Working principle:
the monitoring module is used as an independent module and is built in a PLC control system of the press, a PLC soft relay and a hardware relay are shared, an input port for collecting broken punching needle signals of the die module and an output port of the relay are provided, the unit feeds back the broken punching needle signals collected from the die structure module in real time, then the relay is controlled by an electric principle of weak current control and strong current, the output port of the relay is connected with a control circuit of the press, and a working loop of a main motor of the press is controlled to be connected or disconnected according to real-time signals, so that real-time monitoring control of the whole automatic production process of the press equipment is realized.
All the punching needles to be monitored are taken as input signal acquisition elements through the proximity switch sensor module, at least one proximity switch sensor is arranged on the die punching needle, and the input relay ports corresponding to the loop number are connected until all the punching needles are connected to each input relay port. The internal circuit of the device can automatically connect the relay output ports of all input signal loops in series so as to drive the output relay to work normally, and the output port signals of the output relay are communicated to a PLC control system module of the press, so that the press and even the whole automatic production system can work normally.
When any one of the monitored flushing needles is broken, the corresponding proximity switch sensor is disconnected, and the connected input signal acquisition relay is powered off, so that the output port line of the relay is interrupted. The output relay driving circuit is synchronously interrupted and cannot work normally, the control loop of the PLC system of the press machine connected with the output port of the output relay is synchronously interrupted, and finally, the main motor of the press machine stops running, and the whole automatic production line is also stopped in time and sends out an audible and visual alarm signal. And the automatic production system of the whole press equipment can not start to operate again until the die maintainer replaces the punching needle and restarts the system again.
The input signal acquisition relay of a plurality of infinite loops can be designed according to the requirement to control a plurality of punch needle sensors which need to be monitored, and the automatic monitoring and controlling system of the die broken punch needles with corresponding loop numbers can be arranged on a press or a die according to the requirement. When the number of relay loops of the automatic monitoring and controlling system device for the broken punching pins of the die is too large and the number of the punching pins to be monitored in the die is small, the signal input shorting switch 04 is arranged to short the corresponding output port of the empty input signal relay, so that the output port of the empty input signal relay still forms a closed electrical loop, the output relay is driven to work normally, and the normal operation of the press machine and even the whole automatic production system is ensured.
The foregoing is merely a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the invention.
Claims (3)
1. The utility model provides a disconnected towards needle automation monitoring control system of mould which characterized in that: the automatic control device comprises a die module (1), a monitoring module (2) and a press and PLC control system (3), wherein the die module (1) is connected with the press and the PLC control system (3) through the monitoring module (2); the die module (1) comprises an upper die holder (1.1), a plurality of die punching pins (1.2) and a proximity switch sensor module (1.3), wherein the monitored part of each die punching pin (1.2) is provided with the proximity switch sensor module (1.3) which is connected with a corresponding signal input port; the monitoring module (2) comprises a signal input end power supply module (2.1), a signal acquisition relay module (2.2), a signal acquisition terminal module (2.3), a signal input short-circuit switch (2.4), a signal output relay module (2.5) and a signal output end power supply module (2.6), wherein the negative electrode of the signal input end power supply module (2.1) is connected with an upper die holder (1.1) of the die module (1), each proximity switch sensor module (1.3) is connected with the signal output relay module (2.5) through the signal acquisition terminal module (2.3) and then connected with the positive electrode of the signal input end power supply module (2.1) to form an electric loop unit, each proximity switch sensor module (1.3) corresponds to one signal output relay module (2.5), and the output port of the signal output relay module (2.5) is connected in series to form a closed loop, and is communicated with the press and the control system (PLC 3); the signal output relay module (2.5) is internally connected with a relay and a signal input short-circuit switch (2.4) in parallel, and the signal output relay module (2.5) is connected with a signal indicator lamp;
The monitoring module (2) is externally hung on the periphery of the press machine and serves as peripheral equipment of the equipment, and comprises an independent power supply, a signal input port, a signal output port, an entity relay unit and a PLC soft relay unit;
The monitored position of each die punching needle (1.2) is connected with a corresponding signal input port, the power supply, the die punching needles (1.2), the signal input port and the signal output relay module (2.5) form a closed circuit, and the output ports of all the signal output relay modules (2.5) are connected in series and then connected with the signal output port, and are communicated with the press and the PLC control system (3) to form a closed circuit;
The monitoring module (2) is arranged in a main loop of the PLC control system of the press, shares a logic software relay of the PLC, and provides a broken punch needle information acquisition input port of the die module (1) and an output port of the PLC logic relay.
2. The automatic monitoring and controlling system for die breaking punch pins according to claim 1, wherein: the die module (1) is arranged between an upper sliding block (3.1) and a lower table top (3.2) of the press.
3. The automatic monitoring and controlling system for die breaking punch pins according to claim 2, wherein: the die module (1) further comprises an upper die holder (1.1), a fixing plate (1.4), a stop plate (1.5), a stripper plate (1.6), a female die plate (1.7), a lower base plate (1.8) and a lower die holder (1.9), wherein the upper die holder (1.1) is arranged below the upper sliding block (3.1), a plurality of die punching pins (1.2) are arranged on the bottom surface of the upper die holder (1.1) through the fixing plate (1.4), the upper part and the lower part of the die punching pins (1.2) are easy to break, the stop plate (1.5) is arranged in the middle of the die punching pins (1.2), and the stripper plate (1.6) is arranged on the lower part of the die punching pins; the die is characterized in that a lower die holder (1.9) is arranged on the lower table top (3.2), a lower base plate (1.8) is arranged on the lower die holder (1.9), and a concave die plate (1.7) is arranged on the lower base plate (1.8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570858.4A CN110385367B (en) | 2019-06-28 | 2019-06-28 | Automatic monitoring control system for die breaking punch needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570858.4A CN110385367B (en) | 2019-06-28 | 2019-06-28 | Automatic monitoring control system for die breaking punch needle |
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| CN110385367A CN110385367A (en) | 2019-10-29 |
| CN110385367B true CN110385367B (en) | 2024-05-31 |
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| CN201910570858.4A Active CN110385367B (en) | 2019-06-28 | 2019-06-28 | Automatic monitoring control system for die breaking punch needle |
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| CN113172118A (en) * | 2019-12-31 | 2021-07-27 | 海尔卡奥斯物联生态科技有限公司 | Intelligent terminal for mold |
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| CN208894887U (en) * | 2018-09-14 | 2019-05-24 | 无锡三泰科技有限公司 | A kind of disconnected Punch detection device of mold processing |
| CN210146754U (en) * | 2019-06-28 | 2020-03-17 | 冯胜 | Automatic monitoring control system for broken punching needle of mold |
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