CN116239292A - Cutting system and control method thereof - Google Patents
Cutting system and control method thereof Download PDFInfo
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- CN116239292A CN116239292A CN202310344588.1A CN202310344588A CN116239292A CN 116239292 A CN116239292 A CN 116239292A CN 202310344588 A CN202310344588 A CN 202310344588A CN 116239292 A CN116239292 A CN 116239292A
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- cutting
- control unit
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/03—Glass cutting tables; Apparatus for transporting or handling sheet glass during the cutting or breaking operations
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/037—Controlling or regulating
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses a cutting system and a control method thereof, wherein the cutting system comprises: the cutting table is used for placing a piece to be cut; the cutting mechanism comprises a first driving piece and a cutting knife, the cutting knife is arranged above the cutting table, the first driving piece is in transmission connection with the cutting knife, and the first driving piece is used for driving the cutting knife to move; the temperature monitoring mechanism is arranged above the cutting table; the temperature acquisition mechanism is positioned beside the cutting system; the temperature acquisition mechanism comprises a second driving piece and a temperature detector, and the second driving piece drives the temperature detector to move; the temperature detector is used for collecting the temperature of the piece to be cut; the camera is positioned above the cutting table; the camera is used for acquiring an image of the piece to be cut; the control unit is electrically connected with the first driving piece, the second driving piece and the camera; the control unit receives the image and shifts the position between the cutting point and the cutting reference point of the piece to be cut in the image. The technical scheme of the invention realizes the improvement of the cutting effect of the cutting system by adjusting the position and the cutting pressure of the cutting knife.
Description
Technical Field
The invention relates to the technical field of glass production, in particular to a cutting system and a control method thereof.
Background
The glass raw sheets are required to be cut into sizes with different specifications according to requirements, and in the cutting process, each glass raw sheet fed is easy to move, and generally, after the cutting quality is observed manually, the cutting quantity and the cutting pressure are adjusted by adopting manual input data adjustment; and the cutting pressure is generally the cutting quality of the glass by the operator based on visual inspection; when glass cuts the cutting problem, can't in time adjust, need operating personnel to cut regional operation panel and carry out manual adjustment processing, manual regulation lacks the data and leads to cutting quantity and cutting pressure's accurate nature lower, influences cutting quality and cutting efficiency. Therefore, the existing cutting system has the problems of lower cutting quality and lower cutting efficiency.
Disclosure of Invention
The invention mainly aims to provide a cutting system, which aims to solve the problems of lower cutting quality and lower cutting efficiency of the existing cutting system.
To achieve the above object, the present invention provides a cutting system, comprising:
the cutting table is used for placing a piece to be cut;
the cutting mechanism comprises a first driving piece and a cutting knife, the cutting knife is arranged above the cutting table, the first driving piece is in transmission connection with the cutting knife, and the first driving piece is used for driving the cutting knife to move;
the temperature monitoring mechanism is arranged above the cutting table; the temperature acquisition mechanism is positioned beside the cutting system; the temperature acquisition mechanism comprises a second driving piece and a temperature detector, and the second driving piece is used for driving the temperature detector to move; the temperature detector is used for collecting the temperature of the piece to be cut; the temperature detector corresponds to the position of the cutting knife;
the camera is positioned above the cutting table; the camera is used for acquiring an image of the piece to be cut;
the control unit is electrically connected with the first driving piece, the second driving piece and the camera; the control unit receives the image acquired by the camera and shifts the position between the cutting point and the cutting reference point of the piece to be cut in the image; the control unit is used for controlling the first driving piece to drive the cutting knife to move to the position above the cutting point according to the position offset; the control unit is used for controlling the second driving piece to drive the temperature detector to move to the position above the cutting point according to the position offset; the control unit is used for adjusting the cutting pressure of the cutting knife according to the temperature of the piece to be cut.
Preferably, the temperature detection mechanism further comprises a support frame and a sliding rail, the support frame is connected with the top of the cutting table, the sliding rail is arranged at the top of the support frame, the first driving parts are all in sliding connection with the sliding rail, and the first driving parts are all in sliding along the sliding rail.
Preferably, the first driving member includes a servo motor, and the thermometer includes an infrared thermometer, and the infrared thermometer faces the cutting table.
Preferably, the temperature detection mechanism further comprises a power box and a transmission unit, the power box is arranged on the supporting frame, the power box is electrically connected with the second driving piece and the temperature detector, and the temperature detector is electrically connected with the transmission unit.
Preferably, the control unit comprises an FNC control unit and a PLC control unit which are electrically connected with each other, the PLC control unit is electrically connected with the temperature monitoring mechanism, and the FNC control unit is electrically connected with the camera, the first driving piece, the second driving piece and the cutting knife.
The invention also provides a control method of the cutting system, which comprises the following steps:
placing a piece to be cut on a cutting table;
acquiring an image of a piece to be cut through a camera;
the camera sends the acquired image to the control unit, and the control unit receives the image acquired by the camera and shifts the position between the cutting point and the cutting reference point of the piece to be cut in the image;
the control unit controls the first driving piece to drive the cutting knife to move to a cutting point according to the position offset;
the control unit controls the second driving piece to drive the temperature detector to move according to the position offset, so that the temperature detector corresponds to the position of the cutter;
the temperature detector acquires the temperature of the workpiece to be cut, and transmits the acquired temperature of the workpiece to be cut to the control unit;
the control unit adjusts the cutting pressure of the cutting knife according to the temperature of the piece to be cut.
Preferably, the step of controlling the first driving member to drive the cutting knife to move to the cutting point by the control unit according to the position offset includes the following steps:
the controller comprises a PLC control unit, an FNC control unit and a visual detection unit, wherein the visual detection unit is used for receiving an image acquired by the camera and analyzing the image to acquire the distance between the edge of the workpiece to be cut and a reference point, the PLC control unit compares the distance with a standard distance to acquire the position offset of the workpiece to be cut, and the FNC control unit controls the first driving piece to drive the cutting knife to move according to the position offset; and the movement distance of the cutting knife and the like.
Preferably, the step of controlling the second driving member to drive the temperature detector to move according to the position offset by the control unit to enable the temperature detector to correspond to the position of the cutter comprises the following steps:
the controller comprises a PLC control unit, an FNC control unit and a visual detection unit, wherein the visual detection unit is used for receiving an image acquired by the camera and analyzing the image to acquire the distance between the edge of the workpiece to be cut and a reference point, the PLC control unit compares the distance with a standard distance to acquire the position offset of the workpiece to be cut, and the FNC control unit controls the second driving piece to drive the temperature detector to move according to the position offset; the moving distance of the temperature detector is equal to the position offset.
Preferably, the temperature detector acquires the temperature of the workpiece to be cut, and transmits the acquired temperature of the workpiece to be cut to the control unit; the control unit adjusts the cutting pressure of the cutting knife according to the temperature of the piece to be cut, and the method comprises the following steps:
the controller comprises a PLC control unit and an FNC control unit, wherein the PLC control unit is used for receiving the temperature of the workpiece to be cut obtained by the temperature detector, and the FNC control unit is used for sending a control instruction to control the cutting pressure of the cutting knife according to the cutting pressure corresponding to the temperature of the workpiece to be cut by the PLC control unit.
Preferably, the step of adjusting the cutting pressure of the cutting knife by the control unit according to the temperature of the piece to be cut comprises the following steps:
the control unit adjusts the cutting pressure according to the obtained temperature of the piece to be cut, and the higher the temperature of the piece to be cut is, the higher the cutting pressure is;
according to different thicknesses of the piece to be cut, corresponding to different preset pressure coefficients, the actual cutting pressure of the cutting knife is equal to the product of the pressure coefficient and the cutting pressure of the corresponding temperature.
According to the technical scheme, a piece to be cut is placed on a cutting table, an image of the piece to be cut is obtained through a camera, then the camera sends the obtained image to a control unit, and the control unit receives the image obtained by the camera and shifts the position between a cutting point and a cutting reference point of the piece to be cut in the image; then the control unit controls the first driving piece to drive the cutting knife to move to a cutting point according to the position offset; meanwhile, the control unit controls the second driving piece to drive the temperature detector to move according to the position offset, so that the temperature detector corresponds to the position of the cutter; then the temperature detector acquires the temperature of the workpiece to be cut, and the acquired temperature of the workpiece to be cut is transmitted to the control unit; the control unit adjusts the cutting pressure of the cutting knife according to the temperature of the piece to be cut; the positions of the cutting knife and the temperature detector are timely adjusted according to the position change of the piece to be cut, so that manual adjustment is not needed, and the cutting efficiency of a cutting system is improved; and the cutting pressure is adjusted according to the temperature of the workpiece to be cut, so that the cutting effect of the cutting system is improved, and the cutting quality of a cut finished product is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic circuit diagram of an embodiment of a dicing system according to the invention.
Fig. 2 is a schematic circuit diagram of an embodiment of the cutting system of the present invention.
FIG. 3 is a schematic diagram of a cutting system according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a temperature detecting mechanism according to an embodiment of the cutting system of the present invention.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the |
| 1 | Cutting table | 34 | |
| 2 | |
35 | |
| 21 | |
36 | |
| 22 | |
4 | |
| 3 | |
5 | |
| 31 | |
51 | |
| 32 | |
52 | |
| 33 | |
53 | Visual inspection unit |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present invention, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a cutting system.
Referring to fig. 1 to 4, in an embodiment of the present invention, the cutting system includes a cutting table 1, a cutting mechanism 2, a temperature monitoring mechanism 3, a camera 4, and a control unit 5; the cutting table 1 is used for placing a piece to be cut; the cutting mechanism 2 comprises a first driving piece 21 and a cutting knife 22, the cutting knife 22 is arranged above the cutting table 1, the first driving piece 21 is in transmission connection with the cutting knife 22, and the first driving piece 21 is used for driving the cutting knife 22 to move; the temperature monitoring mechanism 3 is arranged above the cutting table 1; the temperature acquisition mechanism is positioned beside the cutting system; the temperature acquisition mechanism comprises a second driving piece 31 and a temperature detector 32, wherein the second driving piece 31 is used for driving the temperature detector 32 to move; the temperature detector 32 is used for collecting the temperature of the workpiece to be cut; the temperature detector 32 corresponds to the position of the cutter 22; the camera 4 is positioned above the cutting table 1; the camera 4 is used for acquiring an image of a piece to be cut; the control unit 5 is electrically connected with the first driving piece 21, the second driving piece 31 and the camera 4; the control unit 5 receives the image acquired by the camera 4 and shifts the position between the cutting point and the cutting reference point of the piece to be cut in the image; the control unit 5 is used for controlling the first driving piece 21 to drive the cutting knife 22 to move to the position above the cutting point according to the position offset; the control unit 5 is used for controlling the second driving piece 31 to drive the temperature detector 32 to move above the cutting point according to the position offset; the control unit 5 is used for adjusting the cutting pressure of the cutting knife 22 according to the temperature of the piece to be cut.
In the above structure, by placing the workpiece to be cut on the cutting table 1 and acquiring an image of the workpiece to be cut by the camera 4, then the camera 4 sends the acquired image to the control unit 5, and the control unit 5 receives the image acquired by the camera 4 and shifts the position between the cutting point and the cutting reference point of the workpiece to be cut in the image; then the control unit 5 controls the first driving piece 21 to drive the cutting knife 22 to move to a cutting point according to the position offset; meanwhile, the control unit 5 controls the second driving piece 31 to drive the temperature detector 32 to move according to the position offset, so that the temperature detector 32 corresponds to the position of the cutting knife 22; then the temperature detector 32 acquires the temperature of the workpiece to be cut, and transmits the acquired temperature of the workpiece to be cut to the control unit 5; the control unit 5 adjusts the cutting pressure of the cutter 22 according to the temperature of the workpiece to be cut; the positions of the cutting knife 22 and the temperature detector 32 are adjusted in time according to the position change of the workpiece to be cut, so that manual adjustment is not needed, and the cutting efficiency of a cutting system is improved; and the cutting pressure is adjusted according to the temperature of the workpiece to be cut, so that the cutting effect of the cutting system is improved, and the cutting quality of a cut finished product is further improved.
Specifically, the piece to be cut is glass, and the surface of the glass is provided with stress mainly from an annealing process; the stress of the surface of the annealed glass corresponds to the temperature of the surface of the glass, the stress of the surface of the glass becomes smaller when the temperature of the surface of the glass is increased, and the cutting pressure needs to be increased at the moment; similarly, the stress increases as the surface temperature of the glass decreases, and the cutting pressure needs to be reduced.
In addition, according to the difference of the glass thickness, the pressure coefficient is different correspondingly; the thickness of the glass can be determined in advance, the corresponding pressure coefficient is selected according to the thickness of the glass, the pressure coefficient is set through the control unit 5, and the pressure to be adjusted is calculated through the thickness of the glass set by the control unit 5 and the measured glass temperature, namely, the actual cutting pressure of the cutting knife 22 is equal to the product of the pressure coefficient and the cutting pressure of the corresponding temperature; by adjusting the cutting pressure of the cutter 22 in real time, the cutting pressure can be matched with the annealing temperature of the glass in time, the purpose of automatically adjusting the cutting pressure is achieved, the cutting system is guaranteed to have the best cutting effect, and the quality of cut finished products is improved.
Preferably, the temperature detecting mechanism further comprises a supporting frame 33 and a sliding rail 34, the supporting frame 33 is connected with the top of the cutting table 1, the sliding rail 34 is arranged at the top of the supporting frame 33, the first driving pieces 21 are slidably connected with the sliding rail 34, and the first driving pieces 21 slide along the sliding rail 34.
In the above structure, the supporting frame 33 is used for installing the temperature detector 32 and the first driving member 21, the top of the cutting table 1 at the lower end of the supporting frame 33 is fixedly connected, the top of the supporting frame 33 is provided with the sliding rail 34, and the first driving member 21 drives the temperature detector 32 to move along the sliding rail 34.
Preferably, the first driving member 21 comprises a servo motor, and the thermometer 32 comprises an infrared thermometer, which is oriented towards the cutting table 1.
In the structure, the rotating shaft of the servo motor is connected with a gear which is meshed with the slide rail 34, the bottom of the servo motor is provided with an infrared thermometer, and the infrared thermometer faces the cutting table 1; when the servo motor rotates, the infrared thermometer is driven to move.
In addition, the cutting mechanism 2 includes a plurality of first driving members 21 and a plurality of cutting knives 22, the temperature acquisition mechanism includes a plurality of second driving members 31 and a plurality of thermometers 32, the arrangement directions of the plurality of cutting knives 22 and the plurality of thermometers 32 are the same, and the cutting knives 22 are in one-to-one correspondence with the thermometers 32.
Preferably, the temperature detecting mechanism further includes a power box 35 and a transmission unit 36, the power box 35 is disposed on the supporting frame 33, the power box 35 is electrically connected with the second driving member 31 and the temperature detector 32, and the temperature detector 32 is electrically connected with the transmission unit 36.
In the above structure, the power box 35 is used for supplying power to the second driving member 31 and the temperature detector 32, and the transmission unit 36 is used for transmitting the temperature data collected by the temperature detector 32 to the control unit 5.
Preferably, the control unit 5 includes an FNC control unit 51 and a PLC control unit 52 that are electrically connected to each other, the PLC control unit 52 is electrically connected to the temperature monitoring mechanism 3, and the FNC control unit 51 is electrically connected to the camera 4, the first driving member 21, the second driving member 31, and the cutter 22.
In the above structure, the FNC control unit 51 is also called a cutting control system (Float Numeric Control), and the FNC control unit 5 may employ a quality detection system and a cutting system in CN107105044B for controlling the camera 4, the first driving member 21, the second driving member 31, and the cutter 22; the PLC control unit 52 is also called a programmable logic controller (Programmable Logic Controller, abbreviated as PLC), which is a digital electronic device with a microprocessor, and is used for automatically controlling the digital logic controller, and can load control instructions into a memory at any time for storage and execution. The programmable controller is composed of an internal CPU, an instruction and data memory, an input/output unit, a power module, a digital analog unit and the like.
Based on the device, the invention also provides a control method of the cutting system, which comprises the following steps:
placing a piece to be cut on the cutting table 1;
acquiring an image of a piece to be cut through a camera 4;
the camera 4 sends the acquired image to the control unit 5, and the control unit 5 receives the image acquired by the camera 4 and shifts the position between the cutting point and the cutting reference point of the piece to be cut in the image;
the control unit 5 controls the first driving piece 21 to drive the cutting knife 22 to move to a cutting point according to the position offset;
the control unit 5 controls the second driving piece 31 to drive the temperature detector 32 to move according to the position offset, so that the temperature detector 32 corresponds to the position of the cutting knife 22;
the temperature detector 32 acquires the temperature of the workpiece to be cut and transmits the acquired temperature of the workpiece to be cut to the control unit 5;
the control unit 5 adjusts the cutting pressure of the cutter 22 according to the temperature of the workpiece to be cut.
The positions of the cutting knife 22 and the temperature detector 32 are adjusted in time according to the position change of the workpiece to be cut, so that manual adjustment is not needed, and the cutting efficiency of a cutting system is improved; and the cutting pressure is adjusted according to the temperature of the workpiece to be cut, so that the cutting effect of the cutting system is improved, and the cutting quality of a cut finished product is further improved.
Preferably, the step of controlling the first driving member 21 to drive the cutting knife 22 to move to the cutting point by the control unit 5 according to the position offset includes the following steps:
the controller comprises a PLC (programmable logic controller) control unit 52, an FNC control unit 51 and a visual detection unit 53, wherein the visual detection unit 53 is used for receiving an image acquired by the camera 4 and analyzing the image to acquire the distance between the edge of the workpiece to be cut and a reference point, the PLC control unit 52 compares the distance with a standard distance to acquire the position offset of the workpiece to be cut, and the FNC control unit controls the first driving piece 21 to drive the cutter 22 to move according to the position offset; the movement distance of the cutter 22, and the like.
The first driving piece 21 is controlled to drive the cutting knife 22 to move, and the position offset is the distance for generating position offset of the piece to be cut; after the workpiece to be cut is fed to the cutting table 1, a certain position may be generated, in addition, in the cutting process, the workpiece to be cut may also generate position offset, an image of the workpiece to be cut is obtained by using the camera 4, the distance between the edge of the workpiece to be cut and the reference point is obtained by using the control unit 5 to analyze the image, and the position offset of the workpiece to be cut can be obtained by comparing the distance with the standard distance.
Preferably, the step of controlling the second driving member 31 to drive the temperature detector 32 to move by the control unit 5 according to the position offset to make the temperature detector 32 correspond to the position of the cutting blade 22 includes the following steps:
the controller comprises a PLC (programmable logic controller) control unit 52, an FNC control unit 51 and a visual detection unit 53, wherein the visual detection unit 53 is used for receiving an image acquired by the camera 4 and analyzing the image to acquire the distance between the edge of the workpiece to be cut and a reference point, the PLC control unit 52 compares the distance with a standard distance to acquire the position offset of the workpiece to be cut, and the FNC control unit controls the second driving piece 31 to drive the temperature detector 32 to move according to the position offset; the movement distance of the temperature detector 32 is equal to the positional deviation amount.
The number of the temperature detectors 32 is equal to that of the cutting knives 22, the positions of the temperature detectors 32 and the positions of the cutting knives 22 are in one-to-one correspondence, the temperature detectors 32 move along the length direction of the sliding rail 34, and the same moving direction of the cutting knives 22 and the temperature detectors 32 can improve the temperature measurement accuracy of the temperature detectors 32 and the cutting pressure accuracy of each cutting knife 22.
Preferably, the temperature detector 32 acquires the temperature of the workpiece to be cut, and transmits the acquired temperature of the workpiece to be cut to the control unit 5; the step of adjusting the cutting pressure of the cutter 22 by the control unit 5 according to the temperature of the workpiece to be cut includes the steps of:
the controller comprises a PLC control unit 52 and an FNC control unit 51, the PLC control unit 52 is used for receiving the temperature of the workpiece to be cut obtained by the temperature detector 32, and the PCC controller is used for sending a control instruction to control the cutting pressure of the cutting knife 22 according to the cutting pressure corresponding to the temperature of the workpiece to be cut by the PLC control unit 52.
The PLC control unit 52 is further configured to receive an image acquired by the camera 4, analyze the image by using an existing image analysis system, obtain a distance between an edge of the workpiece to be cut and a reference point on the workpiece, and compare the distance with a standard distance to obtain a position offset of the workpiece to be cut; the positions of the cutting knife 22 and the temperature detector 32 are adjusted by using the position offset, so that the cutting efficiency and quality are improved.
Preferably, the step of adjusting the cutting pressure of the cutter 22 by the control unit 5 according to the temperature of the workpiece to be cut includes the steps of:
the control unit 5 adjusts the cutting pressure according to the obtained temperature of the piece to be cut, and the higher the temperature of the piece to be cut is, the higher the cutting pressure is;
according to the different thicknesses of the piece to be cut, corresponding to different preset pressure coefficients, the actual cutting pressure of the cutting blade 22 is equal to the product of the pressure coefficient and the cutting pressure of the corresponding temperature.
The stress of the annealed glass surface corresponds to the temperature of the glass surface, the surface temperature of the glass is positively correlated with the stress of the glass surface, and the cutting pressure of the glass surface temperature cutting knife 22 is positively correlated.
According to the technical scheme, a piece to be cut is placed on a cutting table 1, an image of the piece to be cut is obtained through a camera 4, then the camera 4 sends the obtained image to a control unit 5, and the control unit 5 receives the image obtained by the camera 4 and shifts the position between a cutting point and a cutting reference point of the piece to be cut in the image; then the control unit 5 controls the first driving piece 21 to drive the cutting knife 22 to move to a cutting point according to the position offset; meanwhile, the control unit 5 controls the second driving piece 31 to drive the temperature detector 32 to move according to the position offset, so that the temperature detector 32 corresponds to the position of the cutting knife 22; then the temperature detector 32 acquires the temperature of the workpiece to be cut, and transmits the acquired temperature of the workpiece to be cut to the control unit 5; the control unit 5 adjusts the cutting pressure of the cutter 22 according to the temperature of the workpiece to be cut; the positions of the cutting knife 22 and the temperature detector 32 are adjusted in time according to the position change of the workpiece to be cut, so that manual adjustment is not needed, and the cutting efficiency of a cutting system is improved; and the cutting pressure is adjusted according to the temperature of the workpiece to be cut, so that the cutting effect of the cutting system is improved, and the cutting quality of a cut finished product is further improved.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. A cutting system, comprising:
the cutting table is used for placing a piece to be cut;
the cutting mechanism comprises a first driving piece and a cutting knife, the cutting knife is arranged above the cutting table, the first driving piece is in transmission connection with the cutting knife, and the first driving piece is used for driving the cutting knife to move;
the temperature monitoring mechanism is arranged above the cutting table; the temperature acquisition mechanism is positioned beside the cutting system; the temperature acquisition mechanism comprises a second driving piece and a temperature detector, and the second driving piece is used for driving the temperature detector to move; the temperature detector is used for collecting the temperature of the piece to be cut; the temperature detector corresponds to the position of the cutting knife;
the camera is positioned above the cutting table; the camera is used for acquiring an image of the piece to be cut;
the control unit is electrically connected with the first driving piece, the second driving piece and the camera; the control unit receives the image acquired by the camera and shifts the position between the cutting point and the cutting reference point of the piece to be cut in the image; the control unit is used for controlling the first driving piece to drive the cutting knife to move to the position above the cutting point according to the position offset; the control unit is used for controlling the second driving piece to drive the temperature detector to move to the position above the cutting point according to the position offset; the control unit is used for adjusting the cutting pressure of the cutting knife according to the temperature of the piece to be cut.
2. The cutting system of claim 1, wherein the temperature detection mechanism further comprises a support frame and a slide rail, the support frame is connected with the top of the cutting table, the slide rail is disposed on the top of the support frame, the first driving members are slidably connected with the slide rail, and the first driving members slide along the slide rail.
3. The cutting system of claim 2, wherein the first drive member comprises a servo motor and the thermometer comprises an infrared thermometer, the infrared thermometer being oriented toward the cutting table.
4. A cutting system according to any one of claims 1 to 3, wherein the temperature detection mechanism further comprises a power box and a transmission unit, the power box is arranged on the support frame, the power box is electrically connected with the second driving member and the temperature detector, and the temperature detector is electrically connected with the transmission unit.
5. The cutting system of any one of claims 1 to 3, wherein the control unit comprises an FNC control unit, a PLC control unit and a visual detection unit, which are electrically connected to each other, the PLC control unit is electrically connected to the temperature monitoring mechanism, the FNC control unit is electrically connected to the first driving member, the second driving member and the cutter, and the visual detection unit is electrically connected to the camera; the FNC control unit and the visual detection unit are respectively connected with the PLC control unit.
6. A method of controlling a cutting system, comprising the steps of:
placing a piece to be cut on a cutting table;
acquiring an image of a piece to be cut through a camera;
the camera sends the acquired image to the control unit, and the control unit receives the image acquired by the camera and shifts the position between the cutting point and the cutting reference point of the piece to be cut in the image;
the control unit controls the first driving piece to drive the cutting knife to move to a cutting point according to the position offset;
the control unit controls the second driving piece to drive the temperature detector to move according to the position offset, so that the temperature detector corresponds to the position of the cutter;
the temperature detector acquires the temperature of the workpiece to be cut, and transmits the acquired temperature of the workpiece to be cut to the control unit;
the control unit adjusts the cutting pressure of the cutting knife according to the temperature of the piece to be cut.
7. The method of claim 6, wherein the step of controlling the first driving member to drive the cutter to move to the cutting point by the control unit according to the position offset comprises the steps of:
the controller comprises a PLC control unit, an FNC control unit and a visual detection unit, wherein the visual detection unit is used for receiving an image acquired by the camera and analyzing the image to acquire the distance between the edge of the workpiece to be cut and a reference point, the PLC control unit compares the distance with a standard distance to acquire the position offset of the workpiece to be cut, and the FNC control unit controls the first driving piece to drive the cutting knife to move according to the position offset; and the movement distance of the cutting knife and the like.
8. The method of claim 6, wherein the step of controlling the second driving member to move the temperature sensor according to the position offset by the control unit to make the temperature sensor correspond to the position of the cutter comprises the steps of:
the controller comprises a PLC control unit, an FNC control unit and a visual detection unit, wherein the visual detection unit is used for receiving an image acquired by the camera and analyzing the image to acquire the distance between the edge of the workpiece to be cut and a reference point, the PLC control unit compares the distance with a standard distance to acquire the position offset of the workpiece to be cut, and the FNC control unit controls the second driving piece to drive the temperature detector to move according to the position offset; the moving distance of the temperature detector is equal to the position offset.
9. The method of controlling a cutting system according to claim 6, wherein the temperature detector acquires a temperature of the workpiece to be cut, and transmits the acquired temperature of the workpiece to be cut to the control unit; the control unit adjusts the cutting pressure of the cutting knife according to the temperature of the piece to be cut, and the method comprises the following steps:
the controller comprises a PLC control unit and an FNC control unit, the PLC control unit is used for receiving the temperature of the workpiece to be cut obtained by the temperature detector, and the PCC controller is used for sending a control instruction to control the cutting pressure of the cutting knife according to the cutting pressure corresponding to the temperature of the workpiece to be cut by the PLC control unit.
10. The method of controlling a cutting system according to claim 6, wherein the step of adjusting the cutting pressure of the cutter according to the temperature of the workpiece to be cut by the control unit comprises the steps of:
the control unit adjusts the cutting pressure according to the obtained temperature of the piece to be cut, and the higher the temperature of the piece to be cut is, the higher the cutting pressure is;
according to different thicknesses of the piece to be cut, corresponding to different preset pressure coefficients, the actual cutting pressure of the cutting knife is equal to the product of the pressure coefficient and the cutting pressure of the corresponding temperature.
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