CN114393067A - Intelligent monitoring method for punching machine and computer readable storage medium - Google Patents
Intelligent monitoring method for punching machine and computer readable storage medium Download PDFInfo
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- CN114393067A CN114393067A CN202210006318.5A CN202210006318A CN114393067A CN 114393067 A CN114393067 A CN 114393067A CN 202210006318 A CN202210006318 A CN 202210006318A CN 114393067 A CN114393067 A CN 114393067A
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- 238000004080 punching Methods 0.000 title claims abstract description 63
- 238000012544 monitoring process Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000003860 storage Methods 0.000 title claims abstract description 12
- 238000005452 bending Methods 0.000 claims abstract description 71
- 238000012806 monitoring device Methods 0.000 claims abstract description 43
- 238000009966 trimming Methods 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims description 27
- 238000004590 computer program Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000010586 diagram Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000003754 machining Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/004—Bending sheet metal along straight lines, e.g. to form simple curves with program control
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/006—Bending sheet metal along straight lines, e.g. to form simple curves combined with measuring of bends
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention relates to the technical field of stamping device control, and particularly discloses an intelligent monitoring method of a stamping machine tool and a computer readable storage medium, wherein the intelligent monitoring method of the stamping machine tool comprises the steps of acquiring bending height data of the edge part of a workpiece to be processed, which is monitored by a monitoring device; comparing the bending height data with a preset threshold value; if the bending height data is within a preset threshold value, controlling the punching device to continue punching operation; and if the bending height data is out of the preset threshold value, outputting alarm information and controlling the punching device to stop immediately. The bending height of the workpiece can be monitored in real time in the process of stamping and bending the workpiece to be processed, the measuring period is shortened, the trimming efficiency of a die is improved, and the production efficiency of the workpiece is effectively improved.
Description
Technical Field
The invention relates to the technical field of stamping device control, in particular to an intelligent monitoring method and a computer readable storage medium for a stamping machine tool.
Background
The sheet metal parts in the electronic products are usually formed by processing a stamping die, the sheet metal parts generally have a forming and bending structure, and the difference of the forming height and the bending angle can influence the static electricity, radiation and heat dissipation functions of the whole electronic product.
In the existing machining process, after a sheet metal part is machined through a die, a measuring tool is used for measuring whether the height dimension of the part is qualified or not, if the height dimension of the part is not qualified, the die needs to be repaired until the dimension of the die is corrected, and then production is continued. The measurement process is complicated and tedious, the period is long, and the production efficiency is reduced.
Therefore, the problem of low production efficiency of the existing stamping die needs to be solved urgently.
Disclosure of Invention
The invention mainly aims to provide an intelligent monitoring method of a stamping machine tool and a computer readable storage medium, and aims to solve the problem of low production efficiency of the existing stamping die.
In order to achieve the purpose, the invention provides an intelligent monitoring method of a punching machine tool, wherein the punching machine tool comprises a punching device, a monitoring device and a control device, the punching device and the monitoring device are electrically connected with the control device, a processing station is formed on the punching device, and the monitoring device is arranged on the punching device and monitors the bending height of the edge part of a workpiece to be processed; the control method comprises the following steps:
the control device acquires bending height data of the edge part of the workpiece to be processed monitored by the monitoring device;
the control device compares the bending height data with a preset threshold value;
if the bending height data is within a preset threshold value, controlling the punching device to continue punching operation;
and if the bending height data is out of the preset threshold value, outputting alarm information and controlling the punching device to stop immediately.
Optionally, the machine tool is further provided with a warning lamp, and the control device is provided with a display screen and a loudspeaker; the outputting the alarm information includes:
generating unqualified characters and transmitting the unqualified characters to the display screen;
controlling the loudspeaker to generate an alarm sound;
and controlling the warning lamp to light.
Optionally, the monitoring device includes at least two sensors, a monitoring station is formed between the two sensors, at least one sensor is in contact with an edge portion of the workpiece to be processed, and the step of outputting the warning information and controlling the punching device to stop immediately further includes:
acquiring the position of a sensor in contact with the edge part of a workpiece to be processed and stroke data of the sensor;
acquiring the stamping tonnage and the current size value of the stamping device;
and generating a trimming report according to the position of the sensor, the stroke data, the stamping tonnage and the current size value, and transmitting the trimming report to a display screen.
Optionally, the step of generating a trimming report according to the sensor position, the stroke data, the press tonnage and the current dimension value and transmitting the trimming report to a display screen further comprises:
and recording all the trimming reports, summarizing the contact times of each sensor and the edge part of the workpiece to be processed, and generating summarized data.
Optionally, the step of acquiring the position of the sensor contacting the edge portion of the workpiece to be processed and the stroke data of the sensor further includes:
and if all the sensors of the monitoring device generate stroke data, generating a text prompt message that the monitoring station is unreasonably set.
Optionally, if all the sensors of the monitoring device generate stroke data, the step of generating a text prompt message that the monitoring station is unreasonably set further includes:
and detecting deviation values of all the sensors of the monitoring device and a preset position, and setting adjustment parameters according to the deviation values.
Optionally, the monitoring device further includes an in-position sensor, and the step of acquiring the bending height data of the edge portion of the workpiece to be processed monitored by the monitoring device further includes, before the step of acquiring the bending height data of the edge portion of the workpiece to be processed monitored by the monitoring device:
the in-place sensor judges whether the workpiece to be processed completely covers the processing station or not and transmits in-place information to the control device;
if so, continuing the stamping operation by the stamping device;
if not, the stamping device stops.
Optionally, if the bending height data is within a preset threshold, the step of controlling the punching device to continue the punching operation further includes:
recording the stamping times of the stamping device until the obtained bending height data is out of a preset threshold value;
and fitting to obtain the stamping limit value of the stamping device.
Optionally, the step of fitting to obtain the stamping limit value of the stamping device further comprises:
and transmitting the stamping limit value to a display screen, and counting down and carrying out flicker early warning along with the stamping operation of the stamping device.
The present invention also proposes a computer-readable storage medium on which a computer program is stored, which, when executed, implements the intelligent monitoring method of a punching machine as described above.
The intelligent monitoring method of the stamping machine tool comprises the steps of obtaining bending height data of the edge part of the workpiece to be processed, which is monitored by a monitoring device; comparing the bending height data with a preset threshold value; if the bending height data is within a preset threshold value, controlling the punching device to continue punching operation; and if the bending height data is out of the preset threshold value, outputting alarm information and controlling the punching device to stop immediately. The stamping device is provided with a processing station, the monitoring device is arranged on the stamping device and used for monitoring the bending height of the edge part of the workpiece to be processed, if the bending height of the workpiece exceeds a preset threshold value, the stamping device is trimmed, the bending height of the workpiece can be monitored in real time in the process of stamping and bending the workpiece to be processed, the measurement period is shortened, the trimming efficiency of a die is improved, and the production efficiency of the workpiece is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a stamping machine according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic flow chart of a monitoring method according to a first embodiment of the present invention;
FIG. 4 is a schematic flow chart of a monitoring method according to a second embodiment of the present invention;
FIG. 5 is a flow chart illustrating a monitoring method according to a third embodiment of the present invention;
fig. 6 is a schematic flow chart of a monitoring method according to a fourth embodiment of the invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Also, the meaning of "and/or" and/or "appearing throughout is meant to encompass three scenarios, exemplified by" A and/or B "including scenario A, or scenario B, or scenarios where both A and B are satisfied.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The sheet metal parts in the electronic products are usually formed by processing a stamping die, the sheet metal parts generally have a forming and bending structure, and the difference of the forming height and the bending angle can influence the static electricity, radiation and heat dissipation functions of the whole electronic product. In the existing machining process, after a sheet metal part is machined through a die, a measuring tool is used for measuring whether the height dimension of the part is qualified or not, if the height dimension of the part is not qualified, the die needs to be repaired until the dimension of the die is corrected, and then production is continued. The measurement process is complicated and tedious, the period is long, and the production efficiency is reduced. Therefore, the problem of low production efficiency of the existing stamping die needs to be solved urgently.
Based on the above conception and problems, please refer to fig. 1 to 6 in combination, an embodiment of the present invention provides an intelligent monitoring method for a stamping machine tool, in which the stamping machine tool 100 includes a stamping device 1, a monitoring device 2 and a control device 3, the stamping device 1 and the monitoring device 2 are electrically connected to the control device, the stamping device 1 is formed with a processing station 11, and the monitoring device 2 is disposed on the stamping device 1 and monitors a bending height of an edge portion of a workpiece 5 to be processed; the control method comprises the following steps: s71, the control device acquires bending height data of the edge part of the workpiece to be processed, which is monitored by the monitoring device; s72, the control device compares the bending height data with a preset threshold value; s73, if the bending height data is within the preset threshold value, controlling the punching device to continue punching operation; and S74, if the bending height data is out of the preset threshold value, outputting alarm information and controlling the punching device to stop immediately.
In this embodiment, the stamping device 1 is formed with a processing station 11, the monitoring device 2 is disposed on the stamping device 1, and is formed with a monitoring station 21, a main portion of the workpiece 5 to be processed is stamped and bent in the processing station 11, and an edge portion of the workpiece 5 to be processed is connected to the main portion and extends into the monitoring station 21 via the processing station 11, so as to monitor a bending height of the edge portion of the workpiece 5 to be processed by the monitoring device 2. The stamping device 1 and the monitoring device 2 are both electrically connected to the control device 3, and the control device 3 is used for receiving the electric signal output by the monitoring device 2 and controlling the stamping device 1 to be started or suspended according to the electric signal.
It can be understood that the monitoring device 2 transmits the monitored bending height data of the edge portion of the workpiece 5 to be processed to the control device 3, and the control device 3 compares the bending height data with a preset threshold value. If the bending height data is within the preset threshold value and indicates that the bending height of the workpiece 5 to be processed meets the production standard, controlling the punching device 1 to continue punching operation so as to continuously punch and produce the workpiece 5; if the bending height data is out of the preset threshold value and indicates that the bending height of the workpiece 5 to be processed does not accord with the upper production standard, outputting alarm information and controlling the punching device 1 to stop immediately so as to trim the punching device 1.
Through treating the in-process of processing the punching press of work piece 5 bending, carry out real-time supervision to the height of bending of work piece 5 edge part, can shorten measuring cycle, improve the efficiency of repairing to stamping die 1, and then effectively improve the production efficiency of work piece 5.
In an embodiment of the present invention, please refer to fig. 1 and fig. 2 again, the punching machine 100 is further provided with a warning light 4, and the control device 3 is provided with a display screen 31 and a speaker 32; outputting alarm information, specifically comprising: generating unqualified characters and transmitting the unqualified characters to a display screen; controlling a loudspeaker to generate alarm sound; and controlling the warning lamp to light.
In this embodiment, the control device 3 sends out a sound through controlling the on/off of the warning lamp 4 and the speaker 32 to prompt the worker that the bending height data of the workpiece 5 to be processed exceeds the preset threshold value, so that the worker can find out an alarm as soon as possible. Wherein, the warning light 4 can adopt the form of constantly lighting or flashing to remind the staff, and the speaker 32 can give an alarm by sending out the buzzing sound.
It can be understood that controlling means 3 compares received bending height data with the threshold value of predetermineeing, if bending height data exceedes outside the threshold value of predetermineeing, then generates unqualified text message to transmit to display screen 31, show through display screen 31, control speaker 32 simultaneously and send the buzzing sound and report an emergency and ask for help or increased vigilance, and control warning light 4 lights, with the staff is reminded to multiple form.
In an embodiment of the present invention, referring to fig. 1, fig. 2 and fig. 4 again, the monitoring device 2 includes at least two sensors 22, a monitoring station 21 is formed between the two sensors 22, at least one sensor contacts with an edge portion of the workpiece 5 to be processed, and the step of outputting an alarm message and controlling the punching device to stop immediately further includes: s741, acquiring the position of a sensor contacted with the edge part of the workpiece to be processed and stroke data of the sensor; s742, acquiring the stamping tonnage and the current size value of the stamping device; and S743, generating a trimming report according to the position of the sensor, the stroke data, the stamping tonnage and the current size value, and transmitting the trimming report to a display screen.
In this embodiment, the stamping device 1 includes an upper die 12 and a lower die 13, the upper die 12 and the lower die 13 are disposed opposite to each other, and a processing station 11 is formed between the upper die 12 and the lower die 13. The upper die 12 is provided with a convex punch, the lower die 13 is provided with a concave plate opposite to the punch, the processing station 11 is formed between the punch and the concave plate, the workpiece 5 to be processed is conveyed to the concave plate, and the upper die 12 drives the punch to move towards the direction close to the concave plate so as to punch the workpiece 5 to be processed. The monitoring device 2 comprises at least two sensors 22, the two sensors 22 are respectively arranged on the upper die 12 and the lower die 13, and the two sensors 22 are oppositely arranged to form a monitoring station 21 between the two sensors 22. The edge portion of the workpiece 5 to be processed extends from the processing station 11 into the monitoring station 21. The number of the inductors 22 is set to four, two by two of the four inductors 22 are set as a group, two groups of the inductors 22 are arranged on two opposite sides of the processing station 11 to form a monitoring station 21, and edge portions of two opposite sides of the workpiece 5 to be processed respectively extend into the two groups of the inductors 22.
The maximum stroke of the sensor 22 may reach 5mm, the position of the sensor 22 may be represented by numbers, for example, the plurality of sensors 22 provided in the upper die 12 are sequentially represented by numbers 1-1 and 1-2 along the conveying direction of the workpiece 5 to be processed, and the plurality of sensors 22 provided in the lower die 13 are sequentially represented by numbers 2-1 and 2-2 along the conveying direction of the workpiece 5 to be processed, which are sequentially represented according to the actual number of the sensors 22, which is not particularly limited.
It can be understood that the edge portion of the workpiece 5 to be machined is in contact with at least one of the sensors 22, the control device 3 obtains the position of the sensor in contact with the edge portion of the workpiece 5 to be machined and the stroke data of the sensor 22, the position of the edge portion of the workpiece 5 to be machined, at which the bending height does not meet the standard, can be determined according to the position of the sensor, and the specific value of the bending height data of the edge portion of the workpiece 5 to be machined, which exceeds the preset threshold value, can be determined according to the stroke data. The control device 3 acquires the stamping tonnage between the upper die 12 and the lower die 13 of the stamping device 1 and the current size values of the upper die 12 and the lower die 13, and can determine whether the upper die 12 reaches the bottom dead center of stamping according to the stamping tonnage data. And generating a trimming report according to the position of the sensor, the stroke data, the stamping tonnage and the current size value, and transmitting the trimming report to the display screen 31 so as to display the trimming report through the display screen 31, thereby facilitating a worker to trim the upper die 12 and the lower die 13 according to the trimming report.
For example, when the current depression size of the concave plate of the lower die 13 is 3mm, and the press tonnage of the upper die 12 to the lower die 13 reaches 400T, it indicates that the upper die 12 has reached the press bottom dead center, the workpiece 5 to be machined is bent, and simultaneously the edge portion of the workpiece 5 to be machined contacts the sensors 22 numbered 1-1 and 1-2, both the sensors 22 are compressed by 0.3mm, that is, the stroke data of the sensors 22 are both 0.3mm, which indicates that the bending height of the workpiece 5 to be machined exceeds the preset threshold value. Accordingly, a trim report is generated based on the position of sensor 22, stroke data, press tonnage and current dimensional value and transmitted to display screen 31, including: the position of the sensors 22 is 1-1 and 1-2, the stroke data for 1-1 is 0.3mm, the stroke data for 1-2 is 0.3mm, the press tonnage is 400T, the current dimension value is 3mm and trimming is recommended to reduce the recess dimension of the concave plate of the lower die 13.
In an embodiment of the present invention, referring to fig. 1, fig. 2 and fig. 4 again, the step of generating a trimming report according to the sensor position, the stroke data, the stamping tonnage and the current dimension value and transmitting the trimming report to the display screen further includes: and S744, recording all finishing reports, summarizing the contact times of each sensor and the edge part of the workpiece to be processed, and generating summarized data.
In this embodiment, the control device 3 is further provided with a control button 33, the control device 3 records all finishing reports, summarizes the number of times of contact between each sensor 22 and the edge portion of the workpiece 5 to be processed, generates summarized data, and obtains the size deviation condition of the upper die 12 and the lower die 13 according to the summarized data.
It can be understood that control device 3 summarizes all finishing reports and generates summarized data, and the staff can call summarized data through pressing control button 33, and control device 3 transmits summarized data to display screen 31 for the staff to look over summarized data, and provides instructive suggestion according to summarized data to the production of cope die 12 and drag die 13.
In an embodiment of the present invention, referring to fig. 1, fig. 2 and fig. 5 again, the step of obtaining the position of the sensor contacting the edge portion of the workpiece to be processed and the stroke data of the sensor further includes: s7411, if all the sensors of the monitoring device generate stroke data, generating a text prompt message that the monitoring station is unreasonable in setting.
In this embodiment, the control device 3 obtains the position of the sensor in contact with the edge portion of the workpiece 5 to be processed and the stroke data of the sensor 22, and if all the sensors 22 generate stroke data, it indicates that all the sensors 22 are in contact with the edge portion of the workpiece 5 to be processed, which indicates that the monitoring station is unreasonable in setting, and the control device 3 controls the punching device 1 to stop immediately, and generates a text prompt message indicating that the monitoring station is unreasonable in setting, and transmits the text prompt message to the display screen 31 for the staff to check. Meanwhile, the control device 3 can also control the speaker 32 to emit a buzzer warning sound and control the warning lamp 4 to light up to prompt the staff to deal with in time so as to avoid damaging the sensor 22.
In an embodiment of the present invention, referring to fig. 5 again, if all the sensors of the monitoring device generate stroke data, the step of generating the text prompt message that the monitoring station is not reasonably set further includes: s7412, detecting deviation values of all sensors of the monitoring device and the preset position, and setting adjustment parameters according to the deviation values.
In this embodiment, after all the sensors 22 contact the edge portion of the workpiece 5 to be processed, in order to prevent the sensors 22 from being extruded and not returning to the predetermined position, the control device 3 detects the deviation value between all the sensors 22 of the monitoring device 2 and the predetermined position. If the deviation value is zero, it indicates that the sensor 22 has returned to the predetermined position; if the deviation value is not zero, it indicates that the sensor 22 is not restored to the preset position, the punching device 1 is controlled to stop the punching operation, the display lamp 4 is controlled to light, the loudspeaker 32 is controlled to emit a prompt tone, the adjustment parameters are set according to the deviation value, and the adjustment parameters are transmitted to the display screen 31, so that the worker can adjust the position of the sensor 22 according to the adjustment parameters, all the sensors 22 of the punching device 1 are in the preset position before punching, and the monitoring deviation of the sensor 22 is avoided.
In an embodiment of the present invention, referring to fig. 1, fig. 2 and fig. 6 again, the monitoring device 2 further includes an in-position sensor, and the step of acquiring the bending height data of the edge portion of the workpiece to be processed, which is monitored by the monitoring device, further includes: s61, the in-place sensor judges whether the workpiece to be processed completely covers the processing station, and transmits in-place information to the control device; s62, if yes, the stamping device continues stamping operation; and S63, if not, stopping the punching device.
In this embodiment, the monitoring device 2 further includes an in-place sensor, the in-place sensor is disposed on the stamping device 1, and can determine whether the workpiece 5 to be processed completely covers the processing station 11, and if the workpiece 5 to be processed does not completely cover the processing station 11, the stamping device 1 may damage the stamping device 1 and the sensor 22 when performing the stamping operation.
It can be understood that the in-place sensor determines whether the workpiece 5 to be machined completely covers the machining station 11, if the workpiece 5 to be machined completely covers the machining station 11, an electric signal for continuing the operation is generated and transmitted to the control device 3, and the control device 3 controls the punching device 1 to continue the punching operation according to the received electric signal. If the workpiece 5 to be processed does not completely cover the processing station 11, an electric signal for pause operation is generated and transmitted to the control device 3, the control device 3 controls the punching device 1 to pause the punching operation according to the received electric signal, controls the warning lamp 4 to light, and controls the loudspeaker 32 to emit a warning sound to prompt a worker to check the processing station 11, the workpiece 5 to be processed is placed into the processing station 11 in a supplementing manner in time, damage to the punching device 1 or the inductor 22 caused by the air pressure of the punching device 1 is avoided, and the service lives of the punching device 1 and the inductor 22 are prolonged.
In an embodiment of the present invention, referring to fig. 6 again, if the bending height data is within the preset threshold, the step of controlling the punching device to continue the punching operation further includes: s731, recording the stamping times of the stamping device until the obtained bending height data is out of a preset threshold value; and S732, fitting to obtain a stamping limit value of the stamping device.
In this embodiment, the control device 3 compares the received bending height data with a preset threshold, and if the bending height data is within the preset threshold and indicates that the workpiece 5 to be processed, which is stamped and bent by the stamping device 1, meets the corresponding production standard, controls the stamping device 1 to perform the stamping operation, and starts to record the stamping times of the stamping device 1 until the obtained bending height data is outside the preset threshold, and fits the recorded stamping times of the stamping device 1 to obtain the stamping limit value of the stamping device 1. Since the press apparatus 1 is worn to some extent during each press bending operation, the press apparatus 1 may have variations in the size of the workpiece 5 obtained after a plurality of presses. Therefore, by recording the stamping times of the stamping device 1, the stamping limit value of the stamping device 1 is fitted, and the service life conditions of the stamping devices 1 of the same type can be conveniently known by workers.
In an embodiment of the present invention, referring to fig. 6 again, the step of obtaining the stamping limit value of the stamping device by fitting further includes: and S733, transmitting the stamping limit value to a display screen, counting down along with the stamping operation of the stamping device, and carrying out flicker early warning.
In this embodiment, the control device 3 transmits the fitted stamping limit value to the display screen 32, so as to display the stamping limit value at a corner of the display screen 32, and performs countdown and flash display along with the stamping operation of the stamping device 1, so as to perform early warning, remind a worker to observe the corresponding stamping device 1 according to the countdown stamping limit value, and improve the trimming efficiency of the stamping device 1.
There is also provided, in an embodiment of the present invention, a computer-readable storage medium having a computer program stored thereon, the computer program, when executed, implementing: the control device acquires bending height data of the edge part of the workpiece to be processed, which is monitored by the monitoring device; the control device compares the bending height data with a preset threshold value; if the bending height data is within the preset threshold value, controlling the punching device to continue punching operation; and if the bending height data is out of the preset threshold value, outputting alarm information and controlling the punching device to stop immediately.
The technical scheme of the invention is described in detail in the above with reference to the accompanying drawings, and in consideration of how to further improve the technical problem of low production efficiency in the related art, the invention provides an intelligent monitoring method and a computer-readable storage medium for a punching machine tool, which are implemented by acquiring bending height data of the edge part of the workpiece to be machined, which is monitored by a monitoring device; comparing the bending height data with a preset threshold value; if the bending height data is within a preset threshold value, controlling the punching device to continue punching operation; and if the bending height data is out of the preset threshold value, outputting alarm information and controlling the punching device to stop immediately. Through treating the in-process that the processing work piece punching press was bent, carry out real-time supervision to the height of bending of work piece edge part, can shorten measuring cycle, improve the repairment efficiency to stamping die, and then effectively improve the production efficiency of work piece.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The intelligent monitoring method of the stamping machine tool is characterized in that the stamping machine tool comprises a stamping device, a monitoring device and a control device, wherein the stamping device and the monitoring device are electrically connected with the control device, a processing station is formed on the stamping device, and the monitoring device is arranged on the stamping device and monitors the bending height of the edge part of a workpiece to be processed; the control method comprises the following steps:
the control device acquires bending height data of the edge part of the workpiece to be processed monitored by the monitoring device;
the control device compares the bending height data with a preset threshold value;
if the bending height data is within a preset threshold value, controlling the punching device to continue punching operation;
and if the bending height data is out of the preset threshold value, outputting alarm information and controlling the punching device to stop immediately.
2. An intelligent monitoring method for a punching machine tool according to claim 1, wherein the machine tool is further provided with a warning lamp, and the control device is provided with a display screen and a loudspeaker; the outputting the alarm information includes:
generating unqualified characters and transmitting the unqualified characters to the display screen;
controlling the loudspeaker to generate an alarm sound;
and controlling the warning lamp to light.
3. An intelligent monitoring method for a press machine according to claim 2, wherein said monitoring means comprises at least two sensors between which a monitoring station is formed, at least one sensor being in contact with an edge portion of a workpiece to be machined, outputting an alarm message, and the step of controlling the press means to stop immediately further comprises:
acquiring the position of a sensor in contact with the edge part of a workpiece to be processed and stroke data of the sensor;
acquiring the stamping tonnage and the current size value of the stamping device;
and generating a trimming report according to the position of the sensor, the stroke data, the stamping tonnage and the current size value, and transmitting the trimming report to a display screen.
4. The intelligent monitoring method for a press machine of claim 3, wherein said step of generating a trim report based on said sensor position, stroke data, press tonnage and current dimension values for transmission to a display screen further comprises:
and recording all the trimming reports, summarizing the contact times of each sensor and the edge part of the workpiece to be processed, and generating summarized data.
5. The intelligent monitoring method of a press machine according to claim 4, wherein the step of acquiring the position of the sensor in contact with the edge portion of the workpiece to be processed and the stroke data of the sensor further comprises:
and if all the sensors of the monitoring device generate stroke data, generating a text prompt message that the monitoring station is unreasonably set.
6. The intelligent monitoring method for the punching machine tool according to claim 5, wherein the step of generating the text prompt message that the monitoring station is not reasonably set if all the sensors of the monitoring device generate stroke data further comprises the following steps:
and detecting deviation values of all the sensors of the monitoring device and a preset position, and setting adjustment parameters according to the deviation values.
7. The intelligent monitoring method of a press machine according to any one of claims 2 to 6, wherein the monitoring device further includes an in-position sensor, and the step of acquiring bending height data of the edge portion of the workpiece to be machined, which is monitored by the monitoring device, further includes, before the step of:
the in-place sensor judges whether the workpiece to be processed completely covers the processing station or not and transmits in-place information to the control device;
if so, continuing the stamping operation by the stamping device;
if not, the stamping device stops.
8. The intelligent monitoring method for the punching machine according to claim 7, wherein the step of controlling the punching device to continue the punching operation if the bending height data is within a preset threshold value further comprises:
recording the stamping times of the stamping device until the obtained bending height data is out of a preset threshold value;
and fitting to obtain the stamping limit value of the stamping device.
9. The intelligent monitoring method for a press machine of claim 8, wherein said step of fitting to obtain press limits for a press device further comprises:
and transmitting the stamping limit value to a display screen, and counting down and carrying out flicker early warning along with the stamping operation of the stamping device.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed, implements a method of intelligent monitoring of a punching machine according to any one of claims 1 to 9.
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| CN115318913A (en) * | 2022-08-11 | 2022-11-11 | 河源湧嘉实业有限公司 | Detection method, device and system for half broken hole in precision component mould |
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