CN112362667A - Improved six-surface detection device for plate production and detection method thereof - Google Patents
Improved six-surface detection device for plate production and detection method thereof Download PDFInfo
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- CN112362667A CN112362667A CN202011218598.3A CN202011218598A CN112362667A CN 112362667 A CN112362667 A CN 112362667A CN 202011218598 A CN202011218598 A CN 202011218598A CN 112362667 A CN112362667 A CN 112362667A
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- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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Abstract
The invention relates to an improved six-surface detection device for plate production, which comprises a belt transmission device, a front end surface detection mechanism, a rear end surface detection mechanism and a four-surface rotation detection mechanism, wherein the belt transmission device is connected with the front end surface detection mechanism; the front end face detection mechanism and the rear end face detection mechanism are respectively arranged at two ends of the belt transmission device; the four-side rotation detection mechanism comprises a rotating main body, a main body driving unit, two second image acquisition units and a camera driving unit; the rotating main body is of a rectangular frame structure, two short edges of the rotating main body are hinged with two ends of the belt transmission device, and the belt transmission device is positioned in the rotating main body; the main body driving unit drives the rotating main body to rotate around the belt transmission device; the inner side surfaces of the two long edges of the rotating body are respectively provided with a guide rail, the two second image acquisition units are respectively arranged in the two guide rails, and the camera driving unit drives the second image acquisition units to reciprocate along the guide rails.
Description
Technical Field
The invention belongs to the field of plate production, and particularly relates to an improved six-surface detection device for plate production and a detection method thereof.
Background
The panel is a flat rectangular building material panel of standard size formed by machining and cutting, and is widely used in the construction industry as a wall, ceiling or floor member. It can be seen that the board is an important component of the building components on the market, therefore, the quality of the board often determines the safety performance of the building components, and the yield detection, such as size and defect detection, of the board also becomes a key part in the field of board production.
In traditional panel detection technology, the detection of panel includes two positive, anti-surfaces to panel, and the current detection machine detects one surface of panel earlier mostly, carries out the detection on another surface with the panel upset again, from this, reaches the effect of two-sided detection. However, the conventional detection machine turns the plate to perform double-sided detection, and the plate which is fragile or easy to bend must be damaged to some extent or inconvenient to operate. Meanwhile, the plate is of a hexahedral structure, defects on each surface of the plate can generate non-negligible influence on the overall safety performance of the plate, and the traditional detection machine can only meet double-sided detection and cannot observe six surfaces of the plate.
In the prior art, chinese patent CN107966102A discloses a six-surface detection device for sheet production, in which CCD cameras are arranged at corresponding positions of front, back, upper, lower, left, and right surfaces of a sheet, and are used to obtain images of six surfaces of the sheet, and further obtain contour parameters of the sheet by calculation. However, in this chinese patent CN107966102A, the CCD cameras on the upper, lower, left and right sides are all fixedly disposed at the middle position of the belt conveying mechanism (i.e., at the middle of the plate). However, in the process of image acquisition, because the distance between the CCD camera and the sheet material and the relative position between the CCD camera and the sheet material are fixed, the shooting range of the CCD camera is limited, and when the length of the sheet material is long, the image acquired by the CCD camera cannot cover the whole surface of the sheet material, which causes detection dead angles, and the acquired parameters are prone to have deviation values. Meanwhile, in the chinese patent CN107966102A, six CCD cameras are required to capture images of six surfaces of the plate, which is expensive.
Therefore, it is urgently needed to design a plate detection device and a plate detection method which can accurately and completely monitor six surfaces of a plate and have low cost.
Disclosure of Invention
Based on the above, the invention aims to overcome the defects of the prior art, and provides an improved six-surface detection device for plate production and a detection method thereof, which greatly improve the precision of defect detection on six surfaces of a plate and have lower production cost.
The invention is realized by the following technical scheme: a six-side detection device for improved plate production comprises a belt transmission device, a front end face detection mechanism, a rear end face detection mechanism and a four-side rotation detection mechanism; the belt transmission device is used for transmitting plates, and the front end face detection mechanism and the rear end face detection mechanism are respectively arranged at two ends of the belt transmission device; the front end face detection mechanism and the rear end face detection mechanism are identical in structure and comprise a first image acquisition unit and a lifting unit, wherein the lifting unit controls the first image acquisition unit to move in the vertical direction so as to adjust the relative positions of the first image acquisition unit and two end faces of a plate on the belt transmission device; the four-side rotation detection mechanism comprises a rotating main body, a main body driving unit, two second image acquisition units and a camera driving unit; the rotating main body is of a rectangular frame structure, and two short sides of the rotating main body are hinged with two ends of the belt transmission device at the same time, so that the belt transmission device is positioned in the rectangular frame structure of the rotating main body; the main body driving unit drives the rotating main body to rotate around the belt transmission device; the inner side surfaces of the two long edges of the rotating body are respectively provided with a guide rail, the two second image acquisition units are respectively arranged in the two guide rails, and the camera driving unit drives the second image acquisition units to reciprocate along the guide rails.
Compared with the prior art, the invention provides the four-side rotation detection mechanism, through ingenious structural design, the rotating main body and the second image acquisition units in the structure can rotate around the belt transmission device, so that the two second image acquisition units can not only acquire images of the left surface and the right surface of a plate, but also rotate to the upper surface and the lower surface of the plate and acquire the images of the upper surface and the lower surface of the plate, namely the four-side rotation detection mechanism can finish the acquisition of the images of the four surfaces of the plate by only using the two second image acquisition units, and the production cost of the detection device is greatly reduced. More importantly, the second image acquisition unit can do automatic reciprocating motion along the guide rail, so that continuous or multi-section image scanning can be carried out on the upper surface, the lower surface, the left surface and the right surface of the plate on the belt transmission device, the occurrence of scanning dead angles is avoided, and the detection accuracy and integrity are greatly improved.
Further, the main body driving unit drives the rotating main body to rotate around the belt transfer device, and makes the rotating main body stay at a first position and a second position, where the first position is a position when a plane where the rotating main body is located is parallel to a plane where a plate on the belt transfer device is located, please refer to fig. 1; the second position is a position when the plane of the rotating body is perpendicular to the plane of the plate on the belt transmission device, please refer to fig. 2. The main body driving unit can control the rotating main body to stay at the first position and the second position, namely, the second image acquisition unit on the rotating main body can stay at the left side and the right side or the upper side and the lower side of the plate respectively, and then the scanning detection of the surface of the plate is completed.
Furthermore, the four-side rotation detection mechanism further comprises a position sensor unit and a PLC control unit, wherein the position sensor unit is electrically connected with the PLC control unit, and the PLC control unit is electrically connected with the main body driving unit and the camera driving unit; the position sensor units are respectively arranged at the terminal ends of the two guide rails, when the second image acquisition unit moves from the starting end of the guide rail to the terminal end of the guide rail, the position sensor units acquire signals and transmit the signals to the PLC control unit, and the PLC control unit controls the main body driving unit to switch the rotating main body from the first position to the second position; and after the position switching is finished, the PLC control unit controls the camera driving unit to move the second image acquisition unit from the terminal end of the guide rail to the initial end of the guide rail. When the second image acquisition unit moves from the starting end of the guide rail to the terminal end of the guide rail, the acquisition of the images of the left side surface and the right side surface of the plate is completed; at the moment, the second image acquisition unit moves to the terminal end of the guide rail, the position sensor unit receives an image acquisition completion signal and transmits the image acquisition completion signal to the PLC control unit, the PLC control unit controls the rotating body to be switched from the first position to the second position, namely, the second image acquisition unit moves to the upper surface and the lower surface of the plate, and at the moment, the second image acquisition unit moves to the initial end of the guide rail from the terminal end of the guide rail again to complete image acquisition of the upper surface and the lower surface of the plate. The whole detection process realizes automation through the cooperation of the position sensor unit, the main body driving unit, the camera driving unit and the PLC control unit, the detection process is smooth, and the detection efficiency is greatly improved.
Further, the first image acquisition unit and the second image acquisition unit are any one of a laser scanner or a CCD camera.
Furthermore, the lifting unit comprises a servo motor, a guide device, a buffer block, a buffer, a cylinder and a module; the servo motor is arranged on the left side of the module, two groups of guide devices, buffer blocks and buffers are arranged, the two groups of guide devices, the buffer blocks and the buffers are symmetrically arranged on the left side and the right side of the air cylinder, the buffer blocks are arranged at the lower end of the guide devices, the air cylinder is fixedly connected with the module through the guide devices, and the buffers are arranged between the air cylinder and the guide devices; the first image acquisition unit is arranged on the module. According to the invention, the lifting unit is arranged to control the first image acquisition unit to move, so that the front end surface and the rear end surface of the plate are subjected to image acquisition.
Furthermore, a plurality of light sources are arranged on the rotating body. The invention further ensures the imaging quality by arranging the light source to provide light for the image acquisition unit.
Further, the main body driving unit is a servo motor. The servo motor is used as a power source for driving the rotating body to rotate, and the servo motor can control the rotating speed and accurately position.
Further, the camera driving unit is a cylinder. The invention adopts the cylinder as a power source for pushing the second image acquisition unit to reciprocate.
Based on the inventive concept, the invention also provides a detection method of the improved six-surface detection device for producing the plates, which comprises the following steps:
s1, conveying the plate to a detection site by the belt transmission device;
s2, driving the first image acquisition unit to move to the position opposite to the front end face and the rear end face of the plate by the lifting unit of the front end face detection mechanism/the rear end face detection mechanism to finish the image acquisition of the front end face and the rear end face of the plate;
s3, the rotating main body of the four-side rotation detection mechanism is located at a first position, the first position is that when the plane where the rotating main body is located is parallel to the plane where the plate is located, two second image acquisition units are located at positions opposite to the left end face and the right end face of the plate, the camera driving unit drives the two second image acquisition units to move to the terminal end of the guide rail along the starting end of the guide rail to touch the position sensor unit, and image acquisition of the left side face and the right side face of the plate is completed;
s4, the position sensor unit acquires an electric signal and transmits the electric signal to the PLC control unit, the PLC control unit controls the main body driving unit to drive the rotating main body to rotate to a second position, and the two second image acquisition units are respectively opposite to the upper surface and the lower surface of the plate; the camera driving unit drives the two second image acquisition units to move from the terminal end of the guide rail to the initial end of the guide rail, and image acquisition of the upper side surface and the lower side surface of the plate is completed.
Compared with the prior art, the invention realizes the acquisition of six surfaces of the plate by the matching action of the front end surface detection mechanism, the rear end surface detection mechanism and the four-surface rotation detection mechanism, realizes the automatic and continuous detection in the whole detection process, and greatly improves the detection efficiency and the detection feasibility.
The invention has the technical effects that: the invention provides an improved six-surface detection device for plate production, which can respectively detect six surfaces of a plate, wherein a four-surface rotation detection mechanism is arranged, and through ingenious structural design, a rotating main body and a second image acquisition unit in the structure can rotate around a belt transmission device, so that two second image acquisition units can not only acquire images of the left surface and the right surface of the plate, but also can rotate to the upper surface and the lower surface of the plate and acquire the images of the upper surface and the lower surface of the plate, namely the invention can finish the image acquisition of the four surfaces of the plate by only using two second image acquisition units, thereby greatly reducing the production cost of the detection device. More importantly, the second image acquisition unit can do automatic reciprocating motion along the guide rail, so that continuous or multi-section image scanning can be carried out on the upper surface, the lower surface, the left surface and the right surface of the plate on the belt transmission device, the occurrence of scanning dead angles is avoided, and the detection accuracy and integrity are greatly improved. Meanwhile, the position sensor unit, the main body driving unit, the camera driving unit and the PLC control unit are matched to act together, so that automation is realized, the detection process is smooth, the detection efficiency is greatly improved, the size of the plate can be comprehensively detected, the yield can be further judged, the defects on the surface of the plate can be detected, and the safety detection reliability of the plate in the production process is greatly improved.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of the overall structure of an improved six-side detection device for plate production according to an embodiment of the invention;
FIG. 2 is a top view of the overall structure of an improved six-side detection device for plate production according to an embodiment of the present invention;
FIG. 3 is an overall view of the front end face detection mechanism and the rear end face detection mechanism according to the embodiment of the present invention;
fig. 4 is another perspective view of fig. 3.
Reference numerals:
10-belt transmission device, 20-front end face detection mechanism, 30-rear end face detection mechanism, 40-four-face rotation detection mechanism, 11-belt pulley structure, 12-belt, 21-first image acquisition unit, 23-first light source, 221-servo motor, 222-guide device, 223-buffer block, 224-buffer, 225-cylinder, 226-module, 41-rotating main body, 42-main body driving unit, 43-second image acquisition unit, 44-camera driving unit and 45-position sensor unit.
Detailed Description
The invention provides an improved six-side detection device for plate production, which comprises a belt transmission device 10, a front end face detection mechanism 20, a rear end face detection mechanism 30 and a four-side rotation detection mechanism 40, and simultaneously refers to fig. 1 and fig. 2.
The belt transmission device 10 is used for transmitting plates and comprises two groups of belt pulley structures 11 which are parallel to each other, each belt pulley structure 11 comprises a belt 12, a transmission wheel (not shown in the figure) and a driving motor (not shown in the figure), the belt 12 is arranged outside the transmission wheel, the driving motor drives the transmission wheel to rotate so as to drive the belt 12 to move, and the plates are placed on the belt and can move along with the belt.
Referring to fig. 3 and 4, the front end face detection mechanism 20 and the rear end face detection mechanism 30 are respectively disposed at two ends of the belt transmission device 10, and a space for the four-side rotation detection mechanism 40 to be disposed and rotated is left between the front end face detection mechanism 20 and the rear end face detection mechanism 30 and the belt transmission device 10; the front end face detection mechanism 20 and the rear end face detection mechanism 30 have the same structure, and include a first image acquisition unit 21, a lifting unit and a first light source 23, where the lifting unit 22 controls the image acquisition unit to move in the vertical direction, so as to adjust the relative positions of the image acquisition unit and the two end faces of the plate on the belt transmission device 10; specifically, the lifting unit comprises a servo motor 221, a guide device 222, a buffer block 223, a buffer 224, a cylinder 225 and a module 226; the servo motor 221 is arranged on the left side of the module 226, two groups of the guide device 222, the buffer block 223 and the buffer 224 are arranged, the two groups are symmetrically arranged on the left side and the right side of the cylinder 225, the buffer block 223 is arranged at the lower end of the guide device 222, the cylinder 225 is fixedly connected with the module 226 through the guide device 222, and the buffer 224 is arranged between the cylinder 225 and the guide device 222; the first image capturing unit 21 is disposed on the module 226. The first light source 23 is disposed at one side of the first image capturing unit 21 to provide light to the first image capturing unit 21.
Referring to fig. 1 and 2, the four-side rotation detecting mechanism 40 includes a rotating body 41, a body driving unit 42, two second image capturing units 43, a camera driving unit 44, a position sensor unit 45, and a PLC control unit (not shown); the PLC control unit is electrically connected with the main body driving unit 42, the camera driving unit 44 and the position sensor unit 45 respectively, so as to regulate and control the automatic operation of the three; specifically, the main body driving unit 42 is configured to control the rotating main body 41 to operate, the camera driving unit 44 is configured to control the second image acquiring unit 43 to operate, and the position sensor unit 45 is configured to sense the position of the second image acquiring unit 43 and acquire an electrical signal.
Specifically, the rotating body 41 is a rectangular frame structure, in this embodiment, the rotating body 41 is formed by welding four support rods, and the length and the width of the rotating body 41 are both greater than those of the belt transmission device 10, so that the internal space formed by the rotating body 41 is enough for the belt transmission device 10 to be disposed. Further, the middle parts of the two short sides of the rotating body 41 are hinged to the two ends of the belt transfer device, respectively, and the two short sides of the rotating body 41 are located in the space between the front end face detection mechanism 20 and the rear end face detection mechanism 30 and the belt transmission device 10, so that the belt transmission device 10 is located in the rectangular frame structure of the rotating body 41; the main body driving unit 42 is disposed at the hinge point and can drive the rotating main body 41 to rotate around the belt transmission device 10, so that the rotating main body 41 stays at the first position and the second position; the first position is a position when the plane of the rotating body 41 is parallel to the plane of the plate on the belt transfer device; the second position is a position when the plane of the rotating body 41 is perpendicular to the plane of the plate on the belt drive 10. In this embodiment, the two main body driving units 42 are respectively disposed at two hinge points, and the main body driving unit 42 is preferably a servo motor.
Further, the inner side surfaces of the two long sides of the rotating body 41 are respectively provided with a guide rail (not shown), the guide rails extend along the length direction of the long sides, and the length of the guide rails is slightly smaller than that of the long sides of the rotating body 41, where the end of the guide rail close to the front end face detection mechanism 20 is defined as the starting end of the guide rail, and the end of the guide rail close to the rear end face detection mechanism 30 is defined as the terminal end of the guide rail. The two second image acquisition units 43 are respectively arranged in two guide rails, and pulleys (not shown) matched with the guide rails are arranged on the second image acquisition units 43, the camera driving unit 44 is arranged at the beginning of the guide rails, and the camera driving unit 44 can drive the second image acquisition units 43 to reciprocate along the guide rails; preferably, the camera driving unit 44 is a cylinder 225. The rotating body 41 is further provided with a light source (not shown) which provides necessary light for the second image capturing unit 43, and the position of the light source can be set according to the requirement of capturing images.
Further, the position sensor unit 45 is disposed at the terminal end of the guide rail, specifically, the position sensor unit 45 is a pressure sensor, when the second image obtaining unit 43 moves from the start end of the guide rail to the terminal end of the guide rail, the position sensor unit 45 senses an electrical signal and transmits the electrical signal to a PLC control unit, which controls the main body driving unit 42 to switch the rotating main body 41 from the first position to the second position; after the position switching is completed, the PLC control unit controls the camera driving unit 44 to move the second image obtaining unit 43 from the end of the guide rail to the beginning of the guide rail.
The first image acquisition unit 21 and the second image acquisition unit 43 are either a laser scanner or a CCD camera. The image acquisition unit has different functions when being selected as different instruments, and the laser scanner can quickly measure the outline set data of the plate; the CCD camera is a charge coupled device, which may also be referred to as a CCD image sensor, and can convert an optical image into a digital signal, thereby obtaining a profile parameter of the sheet material and determining whether a defect exists on the surface of the sheet material.
The operation principle of the four-side rotation detecting mechanism of the present invention will be explained below: when the rotating main body is located at the first position, the plane where the rotating main body is located is parallel to the plane where the plate is located, and the two second image acquisition units are located on two sides of the left side surface and the right side surface of the plate respectively and are opposite to the two second image acquisition units; and starting the camera driving unit to push the two second image acquisition units to move from the starting end of the guide rail to the terminal end of the guide rail, and completing the scanning of the left side surface and the right side surface of the plate. At the moment, the second image acquisition units move to the terminal of the guide rail to touch the position sensor unit arranged at the terminal, the position sensor unit acquires an electric signal and transmits the electric signal to the PLC control unit, the PLC control unit controls the main body driving unit to drive the rotating main body to rotate to a second position, and at the moment, the two second image acquisition units are respectively positioned at two sides of the upper surface and the lower surface of the plate and are opposite to the two second image acquisition units; after the position switching is completed, the PLC control unit obtains a position change completion signal and controls the camera driving unit to drive the two second image acquisition units to move from the terminal of the guide rail to the initial end of the guide rail, so that the upper side surface and the lower side surface of the plate are scanned, and finally the scanning of four surfaces of the plate is completed.
Further, the working process of the six-side detection device for producing the improved plate is explained as follows: the belt transmission device transmits the plate to the detection site, and the lifting units in the front end face detection mechanism and the rear end face detection mechanism respectively drive the first image acquisition unit to move to be aligned with the front end face and the rear end face of the plate, so that the image acquisition of the front end face and the rear end face of the plate is completed; meanwhile, the four-surface rotation detection mechanism acts, and then image acquisition of the upper surface, the lower surface, the left surface and the right surface of the plate is completed. The image-acquired information includes, but is not limited to, three-dimensional size information of the sheet material, and information of surface defects such as holes, scratches, dents, stains, etc., and thus the production quality of the sheet material is judged through the image-acquired information.
Compared with the prior art, the invention provides the four-side rotation detection mechanism, through ingenious structural design, the rotating main body and the second image acquisition units in the structure can rotate around the belt transmission device, so that the two second image acquisition units can not only acquire images of the left surface and the right surface of a plate, but also rotate to the upper surface and the lower surface of the plate and acquire the images of the upper surface and the lower surface of the plate, namely the four-side rotation detection mechanism can finish the acquisition of the images of the four surfaces of the plate by only using the two second image acquisition units, and the production cost of the detection device is greatly reduced. More importantly, the second image acquisition unit can do automatic reciprocating motion along the guide rail, so that continuous or multi-section image scanning can be carried out on the upper surface, the lower surface, the left surface and the right surface of the plate on the belt transmission device, the occurrence of scanning dead angles is avoided, and the detection accuracy and integrity are greatly improved. Meanwhile, the improved six-side detection device for producing the plates realizes automation through the cooperation of the position sensor unit, the main body driving unit, the camera driving unit and the PLC control unit, has smooth detection process, greatly improves the detection efficiency, can comprehensively detect the sizes of the plates to further judge the yield, can detect the defects on the surfaces of the plates, and greatly improves the reliability of safety detection of the plates in the production process.
The invention also discloses a detection method of the six-face detection device for producing the improved plate, which specifically comprises the following steps:
s1, conveying the plate to a detection site by the belt transmission device 10;
s2, driving the first image acquisition unit 21 to move to the position opposite to the front end face and the rear end face of the plate by the lifting unit of the front end face detection mechanism 20/the rear end face detection mechanism 30, and completing image acquisition of the front end face and the rear end face of the plate;
s3, the rotating body 41 of the four-side rotation detecting mechanism 40 is at a first position, where the plane of the rotating body 41 is parallel to the plane of the plate, the two second image acquiring units 43 are located at positions facing the left and right end faces of the plate, the camera driving unit 44 drives the two second image acquiring units 43 to move along the start end of the guide rail to the end of the guide rail to touch the position sensor unit 45, and thus, image acquisition of the left and right side faces of the plate is completed;
s4, the position sensor unit 45 obtains an electrical signal and transmits the electrical signal to a PLC control unit, the PLC control unit controls the main body driving unit 42 to drive the rotating main body 41 to rotate to a second position, and the two second image obtaining units 43 are respectively opposite to the upper and lower surfaces of the plate; the camera driving unit 44 drives the two second image capturing units 43 to move from the terminal end of the guide rail to the starting end of the guide rail, so as to complete image capturing of the upper and lower side surfaces of the plate.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. The utility model provides an improved generation panel production is with six detection device which characterized in that: comprises a belt transmission device (10), a front end face detection mechanism (20), a rear end face detection mechanism (30) and a four-side rotation detection mechanism (40); the belt transmission device (10) is used for conveying plates, and the front end face detection mechanism (20) and the rear end face detection mechanism (30) are respectively arranged at two ends of the belt transmission device (10); the front end face detection mechanism (20) and the rear end face detection mechanism (30) are identical in structure, the front end face detection mechanism (20)/the rear end face detection mechanism (30) comprises a first image acquisition unit (21) and a lifting unit, and the lifting unit controls the first image acquisition unit (21) to move in the vertical direction so as to adjust the relative positions of the first image acquisition unit (21) and two end faces of a plate on the belt transmission device (10); the four-side rotation detection mechanism (40) includes a rotating body (41), a body drive unit (42), two second image acquisition units (43), and a camera drive unit (44); the rotating body (41) is of a rectangular frame structure, and two short sides of the rotating body (41) are hinged with two ends of the belt transmission device (10) at the same time, so that the belt transmission device (10) is located in the rectangular frame structure of the rotating body (41); the main body driving unit (42) drives the rotating main body (41) to rotate around the belt transmission device (10); guide rails are respectively arranged on the inner side surfaces of two long sides of the rotating body (41), the two second image acquisition units (43) are respectively arranged in the two guide rails, and the camera driving unit (44) drives the second image acquisition units (43) to reciprocate along the guide rails.
2. The improved six-side detection device for producing the plates as claimed in claim 1, wherein: the main body driving unit (42) drives the rotating main body (41) to rotate around the belt transfer device (10), and enables the rotating main body (41) to stay at a first position and a second position, wherein the first position is a position when a plane of the rotating main body (41) is parallel to a plane of a plate on the belt transfer device (10); the second position is a position when the plane of the rotating body (41) is perpendicular to the plane of the plate on the belt transmission device (10).
3. The improved six-sided detection device for sheet production as claimed in any one of claims 1-3, wherein: the four-side rotation detection mechanism further comprises the position sensor unit (45) and the PLC control unit, wherein the position sensor unit (45) is electrically connected with the PLC control unit, and the PLC control unit is electrically connected with the main body driving unit (42) and the camera driving unit (44); the position sensor units (45) are respectively arranged at the terminal ends of the two guide rails, when the second image acquisition unit (43) moves from the starting end of the guide rail to the terminal end of the guide rail, the position sensor units (45) acquire signals and transmit the signals to the PLC control unit, and the PLC control unit controls the main body driving unit (42) to switch the rotating main body (41) from the first position to the second position; after the position switching is completed, the PLC control unit controls the camera driving unit (44) to move the second image acquisition unit (43) from the terminal end of the guide rail to the starting end of the guide rail.
4. The improved six-sided detection device for sheet production as claimed in any one of claims 1-3, wherein: the first image acquisition unit (21) and the second image acquisition unit (43) are either a laser scanner or a CCD camera.
5. The improved six-side detection device for producing the plates as claimed in claim 4, wherein: the lifting unit comprises a servo motor (221), a guide device (222), a buffer block (223), a buffer (224), a cylinder (225) and a module (226); the servo motor (221) is arranged on the left side of the module (226), two groups of guide devices (222), buffer blocks (223) and buffers (224) are arranged, the two groups of guide devices (222), the buffer blocks (223) are symmetrically arranged on the left side and the right side of the cylinder (225), the lower end of each guide device (222) is provided with the corresponding buffer block (223), the cylinder (225) is fixedly connected with the module (226) through the corresponding guide device (222), and the buffers (224) are arranged between the cylinder (225) and the corresponding guide devices (222); the first image acquisition unit (21) is arranged on the module (226).
6. Six detection devices are used in improved generation panel production of claim 5, characterized in that: the rotating body (41) is also provided with a plurality of light sources.
7. The improved six-side detection device for producing the plates as claimed in claim 6, wherein: the main body driving unit (42) is a servo motor.
8. The improved six-side detection device for producing the plates as claimed in claim 7, wherein: the camera driving unit (44) is a cylinder.
9. The detection method of the improved six-side detection device for producing the plates is characterized in that the detection is carried out by adopting the detection device of any one of claims 1 to 8, and comprises the following steps:
s1, conveying the plate to a detection site by the belt transmission device (10);
s2, driving the first image acquisition unit (21) to move to the position opposite to the front end face and the rear end face of the plate by a lifting unit of the front end face detection mechanism (20)/rear end face detection mechanism (30) to finish the image acquisition of the front end face and the rear end face of the plate;
s3, the rotating main body (41) of the four-side rotation detection mechanism (40) is located at a first position, the first position is that when the plane where the rotating main body (41) is located is parallel to the plane where the plate is located, two second image acquisition units (43) are located opposite to the left end face and the right end face of the plate, the camera driving unit (44) drives the two second image acquisition units (43) to move to the terminal end of the guide rail along the starting end of the guide rail to touch the position sensor unit (45), and image acquisition of the left side face and the right side face of the plate is completed;
s4, the position sensor unit (45) acquires an electric signal and transmits the electric signal to the PLC control unit, the PLC control unit controls the main body driving unit (42) to drive the rotating main body (41) to rotate to a second position, and the two second image acquisition units (43) are respectively opposite to the upper surface and the lower surface of the plate; the camera driving unit (44) drives the two second image acquisition units (43) to move from the terminal end of the guide rail to the initial end of the guide rail, and image acquisition of the upper side surface and the lower side surface of the plate is completed.
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