Transportation device with optical detection function for corrugated paper production and technology of transportation device

Abstract

The invention belongs to the technical field of corrugated paper production devices, and discloses a corrugated paper production transportation device with optical detection, which comprises a main body frame, fixing plates are arranged in the main body frame in an array manner, CCD (Charge Coupled Device) cameras are fixed on the bottom surfaces of the fixing plates in an array manner, and the corrugated paper production transportation device further comprises a turnover assembly and a detection assembly. According to the corrugated paper turnover device, the guide frame in the turnover assembly is in accurate butt joint with corrugated paper on the first conveying belt, then under driving of the rotating motor, after the corrugated paper is turned over by a certain angle, the corrugated paper in the guide frame falls onto the second conveying belt, rapid turnover of the corrugated paper is achieved, and the corrugated paper turnover efficiency is improved. By means of the design, corrugated paper can be conveyed back in one path while being turned over, the conveying length of the device in the plane can be shortened while the front face and the back face of the corrugated paper can be detected, the occupied space of the device is reduced, and the device can be used in different environments.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of corrugated paper production devices, and particularly relates to a corrugated paper production conveying device with optical detection and a process thereof. BACKGROUND

[0002] The corrugated paper production conveying device with optical detection refers to an integrated production line system, the core of which is that an optical imaging system (such as an industrial camera and a laser scanner) and an image processing unit are installed on an automatic conveying device for conveying corrugated paper (from a single facer to a double-layer preheater, to a cross cutter, and then to a stacker), the system can perform visual inspection on the moving corrugated paper in real time, and automatically identify and classify defects.

[0003] In the conventional corrugated paper production conveying device with optical detection, the front and back surfaces of the corrugated paper need to be detected during the conveying of the corrugated paper, the corrugated paper is turned over after moving a distance in the device, and then continues to move and be detected, which leads to an excessively long conveying line, increases the volume of the device, and requires the device to occupy a large space. In addition, when different thicknesses of corrugated paper are detected, the detection elements need to be manually adjusted, which reduces the detection efficiency of the corrugated paper.

[0004] Therefore, the corrugated paper production conveying device with optical detection and the process thereof are provided. SUMMARY

[0005] To solve the problems in the background, the corrugated paper production conveying device with optical detection is provided, which comprises a main frame, a fixed plate is arranged in the main frame, a CCD camera is fixed on the bottom surface of the fixed plate, a first driving shaft and a first driven shaft are arranged in the main frame, a first conveying belt is nested on the surfaces of the first driving shaft and the first driven shaft, a first conveying motor is fixed at one end of the first driving shaft, a second driving shaft and a second driven shaft are arranged in the main frame, and a second conveying belt is nested on the surfaces of the second driving shaft and the second driven shaft. The device further comprises a turnover assembly arranged in the main frame for conveying the corrugated paper by turning over. A detection assembly is arranged in the main frame for detecting the flatness of the corrugated paper, and the detection assembly penetrates the front surface of the main frame.

[0006] In the above technical solution, the turnover assembly comprises a rotating seat, the rotating seat is movably connected with the main frame, a rotating motor is fixed on the surface of the main frame, and the output end of the rotating motor is fixedly connected with the rotating seat.

[0007] In the above technical solution, preferably, the surface array of the rotating seat is fixed with a guide frame, the bottom surface of the guide frame is provided with a pressing groove, and the pressing groove penetrates the surface of the guide frame, and the guide frames are fixed with guide rails in an array.

[0008] In the above technical solution, preferably, the surface array of the rotating seat is provided with a counterweight, and the counterweight is movably connected with the guide rail, the side surface of the counterweight is fixed with a pressing block, and the pressing block is movably connected with the pressing groove.

[0009] In the above technical solution, preferably, the pressing block is made of rubber thermoplastic, the rotating seat is fixed with a mounting frame, and the mounting frame is fixed with a vibrator.

[0010] In the above technical solution, preferably, the detection assembly comprises a detection box, and the detection box penetrates the front surface of the main body frame, the inner side of the main body frame is provided with electric grooves in an array, and the detection box is respectively clamped and connected with the electric grooves, the bottom surface of the detection box is provided with a detection groove, and one end of the detection box is fixed with a pull ring.

[0011] In the above technical solution, preferably, the detection groove is provided with a mounting plate, the mounting plate is axially symmetrical about the detection box, and the mounting plate is respectively rotatably connected with the detection groove, the bottom surface of the mounting plate is respectively fixed with a laser emitter and a laser receiver in an array, one end of the mounting plate is respectively fixed with an adjusting gear, and the adjusting gears are meshed with each other, and the detection box is fixed with an adjusting motor, and the output end of the adjusting motor is fixedly connected with the adjusting gears.

[0012] In the above technical solution, preferably, the first conveying belt and the second conveying belt are respectively fixed with support shafts in an array, and the support shafts are respectively rotatably connected with the main body frame, the surface of the main body frame is fixed with a support frame, the surface of the support frame is fixed with a shaping air cylinder, the output end of the shaping air cylinder is fixed with a connecting bracket, the connecting bracket penetrates the surface of the main body frame, both ends of the connecting bracket are respectively fixed with shaping plates, one end of the first driving shaft and the second driving shaft is respectively provided with a fixed gear, and the fixed gears are respectively provided with transmission gears in an array, and the transmission gears are respectively meshed with the fixed gears.

[0013] A transportation process with optical detection for corrugated paper production, comprising the following steps: S1: image acquisition, at a predetermined station, a CCD camera is used to continuously take pictures of the corrugated paperboard being conveyed to obtain high-definition images; S2: real-time analysis, the high-definition images are analyzed by image processing software, and defects are judged by using pre-set algorithms and standards; S3: result judgment and output, the image processing software makes a judgment of "qualified" or "defect" according to the analysis result, and records the type, position and severity of the defect; S4: immediate execution, when the defect is judged, the system immediately sends a signal to the marking device, and through the delay calculation, the marking device is controlled to act instantaneously when the corrugated paper moves under the marking device, and the marking is performed on the edge of the corrugated paper.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows: The present application is provided with a turnover assembly in the main frame, when the first conveying belt in the upper layer of the main frame conveys the corrugated paper to the turnover assembly, the guide frame in the turnover assembly is precisely connected with the corrugated paper on the first conveying belt, then under the driving of the rotary motor, the corrugated paper will fall on the second conveying belt after being turned over by a certain angle, realizing the rapid turnover of the corrugated paper, this design makes the corrugated paper can be conveyed back on a different path while being turned over, so that the front and back of the corrugated paper can be detected at the same time, and the conveying length of the device in the plane is shortened, the floor space of the device is reduced, and the device can be used in different environments.

[0015] The present application is provided with a detection assembly in the main frame, the detection assembly can be quickly installed and dismounted with the main frame through the electrical slot, and the detection assembly is convenient for maintenance, and in the detection assembly, the symmetrical mounting plates can be oppositely turned over by equal angles under the transmission of the adjusting gear through the driving of the adjusting motor, so that the detection assembly can quickly detect corrugated papers with different thicknesses, and the detection efficiency of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present application; Figure 2 is a sectional view of the present application; Figure 3 is an exploded view of the overall structure of the present application; Figure 4 is a schematic diagram of the structure of the turnover assembly of the present application; Figure 5 is a sectional view of the turnover assembly of the present application; Figure 6 is an exploded view of the structure of the turnover assembly of the present application; Figure 7 is a schematic diagram of the structure of the detection assembly of the present application; Figure 8 is a sectional view of the detection assembly of the present application; Figure 9 is an exploded view of the structure of the detection assembly of the present application; Figure 10 is a process flow chart of the present application.

[0017] In the diagram: 1. Flipping assembly; 101. Rotary motor; 102. Guide frame; 103. Pressing groove; 104. Guide rail; 105. Counterweight; 106. Mounting frame; 107. Vibrator; 108. Pressing block; 109. Rotary seat; 2. Detection assembly; 201. Pull ring; 202. Detection box; 203. Adjusting motor; 204. Adjusting gear; 205. Detection groove; 206. Mounting plate; 207. Laser emitter; 208. 1. Optical receiver; 2. Fixed gear; 3. Main frame; 4. Shaping cylinder; 5. First conveyor motor; 6. Connecting bracket; 7. First drive shaft; 8. Second drive shaft; 9. First driven shaft; 10. Second driven shaft; 11. Fixed plate; 12. CCD camera; 13. Support shaft; 14. First conveyor belt; 15. Second conveyor belt; 16. Shaping plate; 17. Transmission gear; 18. Support frame; 19. Electrical tank; 20. Connecting bracket. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Example 1: like Figures 1 to 9 As shown, the present invention provides a conveying device for corrugated paper production with optical detection, including a main frame 4, a fixed plate 12 arrayed inside the main frame 4, a CCD camera 13 fixed in an array on the bottom surface of the fixed plate 12, a first drive shaft 8 and a first driven shaft 10 respectively provided inside the main frame 4, a first conveyor belt 15 nested on the surface of the first drive shaft 8 and the first driven shaft 10, a first conveyor motor 6 fixed at one end of the first drive shaft 8, a second drive shaft 9 and a second driven shaft 11 respectively provided inside the main frame 4, a second conveyor belt 16 nested on the surface of the second drive shaft 9 and the second driven shaft 11; it also includes a flipping assembly 1, which is disposed inside the main frame 4 for flipping and conveying the corrugated paper; and a detection assembly, which is disposed inside the main frame 4 for detecting the flatness of the corrugated paper, and the detection assembly penetrates through the front of the main frame 4; Specifically, in the turnover assembly 1, the guide frame 102 is precisely connected with the corrugated paper on the first conveying belt 15, then under the driving of the rotating motor 101, the corrugated paper will fall on the second conveying belt 16 after being rotated by a certain angle, realizing the rapid turnover of the corrugated paper. This design enables the corrugated paper to be transported back on a different path while being turned over, so that the front and back of the corrugated paper can be detected at the same time, and the conveying length of the device in the plane is shortened, the floor space of the device is reduced, and the device can be used in different environments. The turnover assembly 1 comprises a rotating seat 109, and the rotating seat 109 is movably connected with the main body frame 4. The surface of the main body frame 4 is fixedly provided with a rotating motor 101, and the output end of the rotating motor 101 is fixedly connected with the rotating seat 109. The surface of the rotating seat 109 is arrayed with guide frames 102. The bottom surface of the guide frame 102 is provided with a pressing groove 103, and the pressing groove 103 penetrates through the surface of the guide frame 102. The guide frames 102 are arrayed with guide rails 104. Specifically, in the turnover assembly 1, when the guide frames 102 on the surface of the rotating seat 109 are located at the same horizontal plane as the top surface of the first conveying belt 15, the first conveying belt 15 will convey the corrugated paper into the guide frames 102, and then under the driving of the rotating motor 101, the rotating seat 109 will rotate with the guide frames 102 and the corrugated paper. The surface of the rotating seat 109 is arrayed with counterweights 105, and the counterweights 105 are movably connected with the guide rails 104. The side surface of the counterweight 105 is fixedly provided with a pressing block 108, and the pressing block 108 is movably connected with the pressing groove 103. The pressing block 108 is made of rubber thermoplastic. The rotating seat 109 is fixedly provided with a mounting frame 106, and the mounting frame 106 is fixedly provided with a vibrator 107. Specifically, in the rotating process of the rotating seat 109, under the action of gravity, the counterweight 105 will bring the pressing block 108 into the guide frame 102 from the pressing groove 103 to press the corrugated paper, preventing the corrugated paper from being skewed during conveying. When the guide frame 102 rotates to the lowest point, under the action of the vibrator 107, the counterweight 105 will separate from the corrugated paper with the pressing block, and then under the action of gravity, the corrugated paper will be turned over and fall on the second conveying belt 16.

[0020] The implementation principle of the transportation device for corrugated paper production with optical detection according to the embodiment one is as follows: When the guide frame 102 on the surface of the rotating seat 109 is at the same horizontal plane as the top surface of the first conveying belt 15, the first conveying belt 15 will convey the corrugated paper into the guide frame 102, and then the rotating seat 109 will rotate with the guide frame 102 and the corrugated paper under the drive of the rotating motor 101; in the process of rotation of the rotating seat 109, the counterweight 105 will bring the pressing block 108 into the guide frame 102 from the pressing groove 103 to press the corrugated paper under the action of gravity, preventing the corrugated paper from being skewed during conveying, and when the guide frame 102 rotates to the lowest point, the counterweight 105 will separate from the corrugated paper under the action of the vibrator 107, and then the corrugated paper will fall on the second conveying belt 16 under the action of gravity; In the turning-over assembly 1, the guide frame 102 is precisely connected with the corrugated paper on the first conveying belt 15, and then the corrugated paper will be turned over by a certain angle under the drive of the rotating motor 101, and the corrugated paper in the guide frame 102 will fall on the second conveying belt 16, realizing the rapid turning-over of the corrugated paper. This design enables the corrugated paper to be conveyed back on a different path while being turned over, so that the front and back surfaces of the corrugated paper can be detected at the same time, the conveying length of the device in the plane is shortened, the floor space of the device is reduced, and the device can be used in different environments.

[0021] Embodiment two: Reference Figure 1 , Figure 2 , Figure 3 , Figure 7 , Figure 8 and Figure 9 The detection assembly 2 comprises a detection box 202, and the detection box 202 penetrates the front surface of the main frame 4. The inner side of the main frame 4 is arrayed with electric grooves 20, and the detection box 202 is respectively connected with the electric grooves 20 in a clamping manner. The bottom surface of the detection box 202 is provided with a detection groove 205, and one end of the detection box 202 is fixed with a pull ring 201. Specifically, by pulling the pull ring 201, the detection box 202 can be placed into the main frame 4, and then the electric columns on the side surface of the detection box 202 can be electrically connected with the electric grooves 20. The detection groove 205 is provided with an installation plate 206, and the installation plate 206 is in an axisymmetric structure with the detection box 202. The installation plate 206 is respectively connected with the detection groove 205 in a rotating manner. The bottom surface of the installation plate 206 is respectively arrayed and fixed with a laser emitter 207 and a laser receiver 208. One end of the installation plate 206 is respectively fixed with an adjusting gear 204, and the adjusting gears 204 are mutually meshed. The detection box 202 is fixed with an adjusting motor 203, and the output end of the adjusting motor 203 is fixedly connected with the adjusting gears 204. It should be noted that the laser transmitter 207 and the laser receiver 208 are conventional detection devices, which are prior art in the present application, and their working principles and methods will not be described here; Specifically, in the detection assembly 2, the symmetrical mounting plates 206 can be flipped by the same angle in opposite directions under the transmission of the adjusting gears 204 driven by the adjusting motor 203, so that the detection assembly 2 can quickly detect corrugated paper of different thicknesses, and the detection efficiency of the device is improved. The first conveying belt 15 and the second conveying belt 16 are respectively provided with support shafts 14 which are rotatably connected to the main frame 4. The surface of the main frame 4 is fixedly provided with a support frame 19. The surface of the support frame 19 is fixedly provided with a shaping air cylinder 5. The output end of the shaping air cylinder 5 is fixedly provided with a connecting bracket 7 which penetrates the surface of the main frame 4. The two ends of the connecting bracket 7 are respectively fixedly provided with shaping plates 17. One end of the first driving shaft 8 and one end of the second driving shaft 9 are respectively provided with fixed gears 3. Transmission gears 18 are arranged between the fixed gears 3 and are respectively meshed with the fixed gears 3. Specifically, under the driving of the shaping air cylinder 5, the shaping plates 17 move transversely in the main frame 4, which can adjust the corrugated paper and reduce the deviation of the corrugated paper, thereby ensuring the accuracy of the detection data.

[0022] The implementation principle of the embodiment two of the corrugated paper production conveying device with optical detection is as follows: by pulling the pull ring 201, the detection box 202 can be placed into the main frame 4, and then the electrical column on the side of the detection box 202 can be electrically connected with the electrical slot 20. In the detection assembly 2, the symmetrical mounting plates 206 can be flipped by the same angle in opposite directions under the transmission of the adjusting gears 204 driven by the adjusting motor 203, so that the detection assembly 2 can quickly detect corrugated paper of different thicknesses, and the detection efficiency of the device is improved. Under the driving of the shaping air cylinder 5, the shaping plates 17 move transversely in the main frame 4, which can adjust the corrugated paper and reduce the deviation of the corrugated paper, thereby ensuring the accuracy of the detection data.

[0023] Embodiment three Referring to Figure 10 A corrugated paper production conveying process with optical detection includes the following steps: S1: image acquisition, at a predetermined station, a CCD camera 13 continuously photographs the corrugated paperboard being conveyed to obtain a high-definition image; S2: real-time analysis, the high-definition image is analyzed by image processing software, and a pre-set algorithm and standard are used for defect judgment; Specifically: real-time analysis based on existing image library (such as OpenCV), threshold segmentation and connected component analysis are performed on the image after grayscale and filtering, the area and shape of the defect region are extracted, and finally the defect is automatically classified and determined by comparing with the preset rule library (such as area> threshold, circularity< threshold).

[0024] The above-mentioned defect determination using classical image processing algorithms (such as threshold segmentation, connected component analysis) and preset rule library belongs to the engineering integrated application of existing technology.

[0025] S3: result judgment and output, the image processing software makes a judgment of "qualified" or "defect" according to the analysis result, and records the type, position and severity of the defect; Specifically: this step matches the defect features through the pre-set judgment logic tree, outputs the "qualified / defect" state, and for defects, the system generates a structured data object containing type code, physical coordinates (converted from encoder position) and feature value (such as area), and records and outputs through standard database operations (such as SQL writing) or network communication (such as TCP Socket), the judgment logic, data structure and communication protocol used are standard existing technologies in the software and automation fields.

[0026] S4: immediate execution, when a defect is judged, the system immediately sends a signal to the marking device, calculates the delay through time delay, and controls the marker to act instantaneously when the corrugated paper moves under the marker.

[0027] This step tracks the paperboard position in real time through the encoder, when a defect is identified, the system calculates the trigger delay according to the fixed distance between the marker and the camera and the current speed, after the delay, the PLC or industrial computer sends a pulse signal to the marking device (such as a code printer) through a digital I / O interface to drive its action, this position and speed tracking and delay triggering technology is a conventional automation control method and is prior art.

[0028] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0029] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A corrugated paper production conveying device with optical detection, comprising a main frame (4), a fixed plate (12) is arranged in the main frame (4), a CCD camera (13) is fixed on the bottom surface of the fixed plate (12), a first driving shaft (8) and a first driven shaft (10) are respectively arranged in the main frame (4), a first conveying belt (15) is nested on the surface of the first driving shaft (8) and the first driven shaft (10), a first conveying motor (6) is fixed on one end of the first driving shaft (8), a second driving shaft (9) and a second driven shaft (11) are respectively arranged in the main frame (4), a second conveying belt (16) is nested on the surface of the second driving shaft (9) and the second driven shaft (11); characterized in that Further comprising: a turnover assembly (1) arranged in the main frame (4) for turnover conveying of the corrugated paper; a detection assembly (2) arranged in the main frame (4) for detecting the flatness of the corrugated paper, and the detection assembly (2) penetrates the front surface of the main frame (4).

2. The transport device with optical detection for corrugated paper production according to claim 1, characterized in that: The turnover assembly (1) comprises a rotating seat (109), and the rotating seat (109) is movably connected with the main frame (4), a rotating motor (101) is fixed on the surface of the main frame (4), and the output end of the rotating motor (101) is fixedly connected with the rotating seat (109).

3. The transport device with optical detection for corrugated paper production according to claim 2, characterized in that: The surface of the rotating seat (109) is fixedly provided with a guide frame (102), a pressing groove (103) is formed in the bottom surface of the guide frame (102), and the pressing groove (103) penetrates the surface of the guide frame (102), and guide rails (104) are fixedly arranged between the guide frames (102).

4. The transport device with optical detection for corrugated paper production according to claim 3, characterized in that: The surface of the rotating seat (109) is movably provided with counterweights (105), and the side surface of the counterweight (105) is fixedly provided with a pressing block (108), and the pressing block (108) is movably connected with the pressing groove (103).

5. The transport device with optical detection for corrugated paper production according to claim 4, characterized in that: The pressing block (108) is made of rubber thermoplastic, the rotating seat (109) is fixedly provided with a mounting frame (106), and the mounting frame (106) is fixedly provided with a vibrator (107).

6. The transport device with optical detection for corrugated paper production according to claim 1, characterized in that: The detection assembly (2) comprises a detection box (202), and the detection box (202) penetrates the front surface of the main frame (4), the inner side of the main frame (4) is movably provided with an electrical slot (20), and the detection box (202) is movably connected with the electrical slot (20), a detection slot (205) is formed in the bottom surface of the detection box (202), and one end of the detection box (202) is fixedly provided with a pull ring (201).

7. A transport device with optical detection for corrugated paper production according to claim 6, characterized in that: The detection groove (205) is provided with a mounting plate (206), and the mounting plate (206) is axisymmetric about the detection box (202), and the mounting plate (206) is rotatably connected with the detection groove (205), the bottom surface of the mounting plate (206) is respectively arrayed and fixed with a laser emitter (207) and a laser receiver (208), one end of the mounting plate (206) is respectively fixed with an adjusting gear (204), and the adjusting gears (204) are mutually engaged, and the detection box (202) is fixedly provided with an adjusting motor (203), and the output end of the adjusting motor (203) is fixedly connected with the adjusting gears (204).

8. The transport device with optical detection for corrugated paper production according to claim 1, characterized in that: The first conveying belt (15) and the second conveying belt (16) are respectively arrayed and fixed with support shafts (14), and the support shafts (14) are rotatably connected with the main frame (4), the surface of the main frame (4) is fixedly provided with a support frame (19), the surface of the support frame (19) is fixedly provided with a shaping air cylinder (5), the output end of the shaping air cylinder (5) is fixedly provided with a connecting bracket (7), and the connecting bracket (7) penetrates the surface of the main frame (4), the two ends of the connecting bracket (7) are respectively fixed with shaping plates (17), one end of the first driving shaft (8) and the second driving shaft (9) is respectively provided with a fixed gear (3), the fixed gears (3) are arrayed with a transmission gear (18) therebetween, and the transmission gear (18) is mutually engaged with the fixed gears (3).

9. The process for transporting the corrugated paper with optical detection according to any one of claims 1-8, characterized in that: The method comprises the following steps: S1: image acquisition, at a preset station, a CCD camera (13) continuously photographs the corrugated board in motion to obtain a high-definition image; S2: real-time analysis, the high-definition image is analyzed by image processing software, and a defect judgment is made by using a pre-set algorithm and standard; S3: result judgment and output, the image processing software makes a judgment of "qualified" or "defective" according to the analysis result, and records the type, position and severity of the defect; S4: immediate execution, when the defect is judged, the system immediately sends a signal to the marking device, calculates the delay, controls the marker to act instantaneously when the defective corrugated board moves under the marker, and marks the edge of the corrugated board.

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