Braid flaw detection machine

Abstract

The invention provides a braid flaw detection machine which comprises a rack and a feeding device for flattening and conveying a braid, a feeding device is arranged at the feeding end of the rack, a discharging device is arranged at the discharging end of the rack, the feeding device is connected with the feeding device, and the discharging device is connected with the discharging device. Detection devices are arranged on the upper side and the lower side of the rack and used for detecting the upper side and the lower side of a braid correspondingly, each detection device comprises a camera obscura, a camera and a light source, a space for braid conduction is formed between the camera obscura and the rack, the camera is connected to the top wall of the camera obscura and right faces the braid, and the light source is fixed to the side wall of the camera obscura. The light source is located in the conduction direction of the braid; the camera is used for photographing the braid and transmitting picture information to the controller, the controller is used for receiving the picture information photographed by the camera and processing the picture information, when the controller detects that flaws of the braid appear in the picture information, an alarm is given, manual detection is replaced, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of fabric tape detection, in particular, to a fabric tape defect detection machine. BACKGROUND

[0002] Fabric tape is a kind of fabric made of various raw materials into a narrow or tubular shape. In the process of textile production, various abnormal defects may occur on the textile product due to production process errors or worker errors, forming a defect.

[0003] Traditional quality inspection work is completed by manual work, but manual detection has the defects of slow detection speed, low efficiency, poor sustainability, and is prone to missed detection and other problems, therefore, it is urgent to develop a device for detecting fabric tape. SUMMARY

[0004] Therefore, the present application aims to provide a fabric tape defect detection machine to replace manual detection and improve detection efficiency.

[0005] To solve the above technical problems, the technical scheme of the present application is as follows: a fabric tape defect detection machine, comprising a rack and a feeding device for flattening and conveying the fabric tape, the feeding end of the rack is provided with a feeding device, the discharging end of the rack is provided with a discharging device, the feeding device is connected with the feeding device, the upper side and the lower side of the rack are provided with detection devices for detecting the upper side and the lower side of the fabric tape respectively, the detection device comprises a dark box, a camera and a light source, the space for fabric tape conduction is formed between the dark box and the rack, the camera is connected to the top wall of the dark box and faces the fabric tape, the light source is fixed on the side wall of the dark box, and the light source is located in the conduction direction of the fabric tape. The camera is used for taking pictures of the fabric tape and transmitting picture information to the controller, the controller is used for receiving the picture information taken by the camera and processing the picture information, and the controller alarms when detecting the presence of fabric defects in the picture information.

[0006] The above technical scheme is realized, the fabric tape is flattened by the feeding device after being unwound and connected with the discharging device, the fabric tape passes through the space between the dark box and the rack, the camera continuously takes pictures of the fabric tape, the picture information is transmitted to the controller, the controller receives the picture information taken by the camera and processes the picture information, and the controller alarms when detecting the presence of fabric defects in the picture information, after the fabric defects are discharged from the space, the worker processes the fabric defects, thereby replacing the manual detection process and greatly improving the production efficiency.

[0007] As a preferred scheme of the present application, one side of the light source is hinged to the side wall of the dark box through a pin shaft, the other side of the light source is connected with a positioning rod, an adjusting groove is formed in the side wall of the dark box, the positioning rod is slidingly connected in the adjusting groove, the light source rotates along the axis of the pin shaft while making the positioning rod move along the adjusting groove, and a positioning sleeve is threadedly connected on the positioning rod and abuts against the inner wall of the dark box.

[0008] The above technical scheme can rotate the light source along the axis of the pin shaft, adjust the illumination angle of the light source, illuminate the braid, reduce shadows, and avoid serious reflection, thereby avoiding large errors in the pictures taken by the camera.

[0009] As a preferred scheme of the present application, the discharging device comprises a discharging frame, a discharging motor, a plurality of discharging rollers, a discharging elastic component, a work plate, a discharging pressure roller and a discharging pressure frame. The discharging frame is connected to the side of the rack away from the feeding device. The discharging rollers are rotatably connected to the discharging frame. The discharging motor is fixed to the discharging frame. The discharging rollers are arranged along the length direction of the discharging frame. The middle part of the discharging pressure frame is hinged to the discharging frame. The discharging pressure rollers are arranged on the discharging pressure frame. One discharging roller corresponds to one discharging motor, and a plurality of discharging rollers correspond to one discharging pressure frame. The discharging elastic component is arranged on the discharging pressure frame and is used to apply pressure to the braid by the discharging pressure rollers. The discharging pressure rollers and the discharging rollers respectively abut against the two sides of the braid. The work plate is fixed to the discharging frame and is arranged obliquely. The defect of the braid is located on the work plate.

[0010] The above technical scheme can drive the plurality of discharging rollers to rotate by the discharging motor. The discharging rollers are arranged along the length direction of the discharging frame, and the braid is smoothly introduced into the equipment. Meanwhile, the discharging pressure frame is connected to the discharging frame by hinging. The discharging pressure rollers arranged on the discharging pressure frame apply pressure to the braid on the discharging rollers under the action of the discharging elastic component. This design ensures that the discharging pressure rollers and the discharging rollers respectively abut against the two sides of the braid, forms a stable clamping conveying mechanism, and the braid covers the two discharging rollers at the same time, further enhances the stability of conveying. Each discharging motor independently drives one discharging roller, which realizes accurate control of the discharging speed of the braid. Meanwhile, the discharging elastic component ensures that the discharging pressure rollers continuously apply uniform pressure to the braid, effectively prevents the braid from slipping or deviating during discharging, and ensures the smoothness and accuracy of subsequent processing. The design that the braid covers the two discharging rollers at the same time further improves the stability and continuity of discharging, and lays a foundation for stable operation of the entire production line.

[0011] As a preferred scheme of the present application, the discharging elastic component comprises a first elastic member, a first sliding sleeve and a first sliding rod, the end of the discharging pressing frame is hinged to the first sliding rod, the first sliding sleeve is hinged to the discharging frame, the first sliding rod is slidingly connected to the first sliding sleeve, and the two ends of the first elastic member are connected to the first sliding sleeve and the first sliding rod respectively.

[0012] The above technical scheme realizes that the upward force is applied to the discharging pressing frame, the discharging pressing frame is flipped, the first sliding rod drives the first sliding sleeve to flip, and the discharging pressing frame is limited by the elastic force of the first elastic member, at this time, the discharging pressing roller and the discharging roller are separated, so as to place the webbing on the discharging roller, then the discharging pressing frame is flipped downward, and the discharging pressing roller is pressed on the webbing by the elastic force of the elastic member, at this time, the discharging pressing roller and the discharging roller respectively abut against the upper surface and the lower surface of the webbing, and the webbing can be stably transmitted when the discharging roller rotates.

[0013] As a preferred scheme of the present application, the feeding device comprises a feeding frame, a feeding motor, a feeding roller, a feeding elastic component, a feeding pressing roller and a feeding pressing frame, the feeding frame is connected to the side of the frame far from the discharging device, the feeding roller is rotationally connected to the feeding frame, a plurality of feeding rollers are arranged along the length direction of the feeding frame, the feeding motor is fixed to the feeding frame and is used for driving the feeding roller to rotate, each feeding motor corresponds to one feeding roller, the middle part of the feeding pressing frame is hinged to the feeding frame, a plurality of feeding pressing rollers are rotationally connected to the feeding pressing frame, a plurality of feeding rollers correspond to one feeding pressing frame, and the feeding elastic component is arranged on the feeding frame and abuts against the two sides of the webbing by the feeding pressing roller and the feeding roller respectively, and the webbing covers the two feeding rollers simultaneously.

[0014] The above technical scheme realizes that the feeding pressing frame is driven by the feeding elastic component, the feeding pressing roller tightly presses the webbing on each feeding roller driven by an independent motor, so that stable and anti-skid transmission is realized. The design that each feeding roller is independently controlled by one feeding motor gives the device the ability to actively correct the running deviation of the webbing by adjusting the speed difference between two adjacent feeding rollers, and the working board arranged obliquely provides convenience for the operator to handle the webbing defects, and integrates the three functions of stable transmission, active deviation correction and defect handling.

[0015] As a preferred scheme of the present application, the feeding elastic component comprises a second elastic member, a second sliding sleeve and a second sliding rod, the end of the feeding pressing frame is hinged to the second sliding rod, the second sliding sleeve is hinged to the feeding frame, the second sliding rod is slidingly connected to the second sliding sleeve, and the two ends of the second elastic member are connected to the second sliding sleeve and the second sliding rod respectively.

[0016] The technical scheme is realized, the outfeed elastic assembly realizes flexible support and accurate pressure application to the outfeed pressing frame through the ingenious cooperation of the first elastic member, the first sliding sleeve and the first sliding rod. In the movement process, the end of the outfeed pressing frame is hinged to the first sliding rod, when the outfeed pressing frame needs to apply pressure to the webbing, the first sliding rod slides in the first sliding sleeve, and the elastic force of the two ends of the first elastic member connected with the first sliding sleeve and the first sliding rod respectively ensures that the outfeed pressing roller can continuously and uniformly apply pressure to the webbing. The achieved technical effects are as follows: first, adjustable continuous pressure is provided. The elastic deformation of the first elastic member can provide stable downward pressure to the outfeed pressing frame, ensuring that the outfeed pressing roller is always closely attached to the webbing, thereby realizing stable conveying of the webbing and effectively preventing slipping; second, flexible buffering and adaptability are realized. This connection mode allows the outfeed pressing frame to float or fine-tune within a certain range to adapt to changes in the thickness or surface unevenness of the webbing, avoiding damage to the webbing caused by rigid pressing and improving the adaptability to different webbings; third, the structure is simplified and easy to maintain. The combination of the first sliding sleeve and the first sliding rod provides smooth sliding, and the structure is relatively simple, easy to assemble and maintain daily, reducing the complexity and failure rate of the equipment.

[0017] As a preferred scheme of the present application, the rotation speed of the feeding roller is less than that of the outfeed roller and the webbing is unfolded.

[0018] The technical scheme is realized, and since the rotation speed of the outfeed roller is greater than that of the feeding roller, the webbing can be unfolded, thereby facilitating the camera to take pictures to improve the detection quality.

[0019] As a preferred scheme of the present application, the outfeed frame is provided with switches for controlling the start and stop of the outfeed motor and the feeding motor.

[0020] The technical scheme is realized, when a defect is detected on the webbing, the webbing continues to be conveyed and the defect is conveyed to the workbench, and the outfeed motor and the feeding motor are stopped, so that the worker can timely process the defect on the webbing to eliminate the defect. After the defect is eliminated, the switches control the outfeed motor and the feeding motor to start, so as to continue to convey the webbing, which is simple and convenient to operate.

[0021] As a preferred scheme of the present application, the controller is electrically connected with the feeding motor through a deviation correction method, and the deviation correction method comprises the following deviation correction steps: S1, image acquisition: using a camera arranged above the webbing conveying path, real-time image information of the running webbing is acquired; S2, image processing and calculation: the image is processed to identify the edge of the webbing and fitted as a straight line by using the least square method , and then the inclination angle representing the state of the webbing is calculated ; S3, deviation determination: compare the calculated tilt angle with the preset tilt angle tolerance threshold , when , it is determined that the belt is deviated; S4, deviation correction control: when it is determined that the belt is deviated, a differential amount is calculated based on the tilt angle , and the speed of the adjacent two feeding motors driving the belt is adjusted differently according to the differential amount, the running posture of the belt is corrected by forming a speed difference on both sides of the belt, until the tilt angle is restored to within the threshold.

[0022] The above technical solution provides a high-precision, real-time active deviation correction capability. The running state of the belt, i.e. the tilt angle, is accurately obtained by the vision system, and combined with the least squares fitting, the accuracy of deviation determination is greatly improved. More importantly, the system can intelligently calculate the differential amount and independently adjust the speed of the adjacent feeding motors, realize precise and rapid self-adaptive correction, effectively avoid the deviation phenomenon of the belt in high-speed running, thereby significantly improve the product quality and production efficiency of the belt production, reduce the material loss and downtime caused by deviation. Thus, the running state of the belt can be obtained while detecting the defects of the belt.

[0023] As a preferred solution of the present application, in the deviation correction step, the target speed of the adjacent two feeding motors is calculated and issued in the following way: 1. The differential amount is calculated by the formula , wherein is the control coefficient; 2. Based on the main conveying speed , when the belt is deviated, the target speeds of the left and right motors are set to and , respectively, so as to produce the tension difference required for deviation correction.

[0024] The above technical solution is based on the main conveying speed to increase or decrease the speed, ensuring that the overall conveying efficiency of the belt is not greatly affected during the deviation correction process, and at the same time, the differential adjustment of the left and right motor speeds, i.e. the tension difference, realizes the rapid and accurate adjustment of the running posture of the belt. This significantly improves the stability and control accuracy of the belt conveying, reduces the scrap rate and downtime caused by deviation, thereby improving the overall production efficiency and product quality. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a schematic diagram of the use state of the present application; Figure 2 isFigure 1 Enlarged view of A of Fig. 1; Figure 3 Enlarged view of B of Fig. 1; Figure 2 Enlarged view of C of Fig. 1; Figure 4 Structure diagram of the guard plate; Figure 5 Structure diagram of the external structure embodying the present application; Figure 6 Enlarged view of D of Fig. 1; Figure 5 Enlarged view of E of Fig. 1; Figure 7 Structure diagram of the detection device; Figure 8 Enlarged view of F of Fig. 1; Figure 7 Enlarged view of G of Fig. 1; Figure 9 Enlarged view of H of Fig. 1; Figure 7 Enlarged view of I of Fig. 1; Figure 10 Photo of the tape deviation; Figure 11 Photo of the tape after correction;

[0026] The drawings show the following: 1, feeding device; 2, stand; 3, cross frame; 4, flattening mechanism; 5, flattening plate; 6, first motor; 7, support shaft; 8, support disc; 9, second motor; 10, first pulley; 11, second pulley; 12, support plane; 13, fixed plate; 14, fixed hole; 15, fixed protrusion; 16, guard plate; 17, protection cavity; 18, vibration roller; 19, vibration plane; 20, third motor; 21, anti-dropping plate; 22, anti-dropping hole; 23, transmission mechanism; 24, first conveying roller; 25, second conveying roller; 26, support seat; 27, pressure cylinder; 28, first sliding block; 29, second sliding block; 30, protruding block; 31, mounting groove; 32, connecting hole; 33, connecting rod; 34, first limiting frame; 35, second limiting frame; 36, vertical rod; 37, connecting frame; 38, inclined plate; 39, storage cylinder; 40, discharge slot; 41, connecting plate; 42, straight slot; 43, tensioning rod; 44, box; 45, rack; 46, feeding device; 47, feeding rack; 48, feeding motor; 49, feeding roller; 50, feeding elastic component; 51, second elastic member; 52, second sliding sleeve; 53, second sliding rod; 54, feeding pressure roller; 55, feeding pressure frame; 56, detection device; 57, dark box; 58, camera; 59, light source; 60, pin shaft; 61, positioning rod; 62, positioning sleeve; 63, adjusting groove; 64, discharging device; 65, discharging rack; 66, discharging motor; 67, discharging roller; 68, work plate; 69, discharging elastic component; 70, first elastic member; 71, first sliding sleeve; 72, first sliding rod; 73, discharging pressure roller; 74, discharging pressure frame; 75, switch; 100, tape. DETAILED DESCRIPTION

[0027] The specific embodiments of the present application are further described in detail below with reference to the accompanying drawings, so that the technical scheme of the present application is easier to understand and grasp.

[0028] A kind of webbing flaw detection machine, including frame 45 and the upper feeding device that flattens and transports webbing 100.The upper feeding device 1 includes stand 2, cross frame 3, flattening mechanism 4, vibration roller 18, transmission mechanism 23.Cross frame 3 is fixed to the upper portion of stand 2, stand 2 is vertically arranged, and cross frame 3 is horizontally arranged.Flattening mechanism 4, vibration roller 18 and transmission mechanism 23 are sequentially arranged along the transmission direction of webbing 100.

[0029] Wherein, flattening mechanism 4 includes flattening plate 5, first motor 6, support shaft 7, support disc 8.Support shaft 7 is horizontally rotatably connected to stand 2.A first pulley 10 is fixedly connected to the end of support shaft 7, and first motor 6 is fixed to the side wall of stand 2.A second pulley 11 is fixedly connected to the first power shaft of first motor 6, and the second pulley 11 drives first pulley 10 to rotate through the driving belt.

[0030] Support disc 8 is fixed to support shaft 7, and three support discs 8 are arranged along the length direction of support shaft 7.Two support discs 8 are respectively close to the two ends of support shaft 7, and the third support disc 8 is located at the middle portion of support shaft 7.Three support planes 12 are formed on each support disc 8, and the cross section of support plane 12 is L-shaped.Three support planes 12 are uniformly distributed along the axis of support disc 8.One flattening plate 5 is fixedly connected to each support plane 12.

[0031] A fixing plate 13 for contacting with webbing 100 is fixedly connected to the two ends of support shaft 7, and fixing plate 13 is coaxially arranged with support shaft 7.Fixing plate 13 is disc-shaped.Three fixing holes 14 are formed on each fixing plate 13, and three fixing holes 14 are uniformly distributed along the axis of fixing plate 13.The cross section of fixing hole 14 is square.A fixing protrusion 15 is fixedly connected to the end of flattening plate 5, and fixing protrusion 15 is embedded in fixing hole 14.

[0032] A guard plate 16 is fixedly connected to stand 2, and a protection cavity 17 is formed on guard plate 16.Part of fixing plate 13 is located in protection cavity 17.

[0033] A vibration plane 19 for contacting with webbing 100 is formed on the outer wall of vibration roller 18, and four vibration planes 19 are uniformly distributed along the axis of vibration roller 18.Vibration roller 18 is rotatably connected to cross frame 3 and close to stand 2.Second motor 9 is fixed to cross frame 3, and second motor 9 drives vibration roller 18 to rotate.A anti-off plate 21 is arranged at the two ends of vibration roller 18, an anti-off hole 22 is formed on anti-off plate 21, and the end of vibration roller 18 is fixedly connected to anti-off hole 22.

[0034] The transmission mechanism 23 comprises a first conveying roller 24, a second conveying roller 25, a support base 26 and a pressure cylinder 27. The support base 26 is vertically fixed to the upper surface of the cross frame 3, and a sliding groove is formed in the support base 26 in the height direction. The first sliding block 28 and the second sliding block 29 are slidingly connected in the sliding groove, and the first sliding block 28 is located below the second sliding block 29. The first conveying roller 24 is rotatably connected to the first sliding block 28, and the second conveying roller 25 is rotatably connected to the second sliding block 29. Both the first conveying roller 24 and the second conveying roller 25 are horizontally arranged.

[0035] The pressure cylinder 27 is fixedly connected to the support base 26 and vertically arranged. The pressure cylinder 27 drives the second sliding block 29 to move towards the first sliding block 28. The first conveying roller 24 and the second conveying roller 25 are oppositely arranged, the second conveying roller 25 is located above the webbing 100, and the first conveying roller 24 is located below the webbing 100. The transmission area for transmitting the webbing 100 is formed between the first conveying roller 24 and the second conveying roller 25. The second conveying roller 25 is driven to rotate by the third motor 20.

[0036] A protrusion 30 is fixedly connected to the piston rod of the pressure cylinder 27. An installation groove 31 for placing the protrusion 30 is formed in the upper surface of the second sliding block 29. A connecting hole 32 in communication with the installation groove 31 is formed in the side wall of the second sliding block 29. A connecting rod 33 is penetratingly arranged in the connecting hole 32 and the protrusion 30.

[0037] The first limiting frame 34 is fixedly arranged at both ends of the cross frame 3 and located between the vibration roller 18 and the first conveying roller 24. The first limiting frame 34 is horizontally arranged. The second limiting frame 35 is fixedly arranged at both ends of the stand 2 and located between the flattening plate 5 and the vibration roller 18. The second limiting frame 35 is horizontally arranged. A plurality of vertical rods 36 are fixedly connected to the first limiting frame 34 and the second limiting frame 35. The vertical rods 36 located on the first limiting frame 34 are vertically arranged, and the vertical rods 36 located on the second limiting frame 35 are horizontally arranged. The adjacent two vertical rods 36 form a channel for the movement of the webbing 100.

[0038] The connecting frame 37 is fixedly arranged at the end of the cross frame 3 away from the stand 2 and vertically arranged. The inclined plate 38 is fixedly arranged at the middle of the connecting frame 37 and inclinedly arranged. The storage cylinder 39 for storing the webbing 100 is fixedly arranged on the upper surface of the inclined plate 38. Each webbing 100 corresponds to one storage cylinder 39. The storage cylinder 39 extends obliquely away from the first conveying roller 24. The discharge groove 40 for the webbing 100 to pass through is formed in the inclined plate 38. The discharge groove 40 is located in the interior of the storage cylinder 39 and close to the upper edge of the inner wall of the storage cylinder 39.

[0039] A connecting plate 41 is fixedly connected to the side wall of the connecting frame 37 and is below the inclined plate 38. A vertical straight groove 42 is formed in the connecting plate 41, and the length direction of the straight groove 42 is along the height direction of the stand 2. A tensioning rod 43 for tensioning the woven tape 100 is slidably connected in the straight groove 42.

[0040] The woven tape 100 in a roll is placed in the box 44. After the woven tape 100 is unwound, it is wound around the flattening plate 5, the vibration roller 18, passes between the first conveying roller 24 and the second conveying roller 25, passes through the storage cylinder 39 and the discharge slot 40, and is wound around the tensioning rod 43. Finally, the woven tape 100 is placed on the rack 45, and the woven tape 100 is subjected to defect detection.

[0041] The first motor 6, the second motor 9, and the third motor 20 are started. The flattening plate 5 rotates along the axis of the support shaft 7. The flattening plate 5 hits the woven tape 100 and generates a downward force to flatten the woven tape 100 from a spiral state. The vibration roller 18 rotates. The vibration plane 19 on the vibration roller 18 hits the woven tape 100, which generates vibration and twitching effects, so that the flattening plate 5 can better flatten the woven tape 100. Due to the friction, the woven tape 100 passes between the first conveying roller 24 and the second conveying roller 25, and the woven tape 100 generates a transmission power. The first motor 6, the second motor 9, and the third motor 20 are continuously started.

[0042] The feeding device 46 is arranged at the feeding end of the rack 45 and is connected to the feeding device.

[0043] The feeding device 46 includes a feeding frame 47, a feeding motor 48, a feeding roller 49, a feeding elastic component 50, a feeding pressure roller 54, and a feeding pressure frame 55. The feeding frame 47 is fixedly connected to one side of the rack 45 away from the discharging device 64.

[0044] The feeding roller 49 is rotationally connected to the feeding frame 47. A plurality of feeding rollers 49 are arranged along the length direction of the feeding frame 47 and are coaxially arranged. Adjacent two feeding rollers 49 have a gap. The woven tape covers the gap.

[0045] The feeding motor 48 is fixed to the feeding frame 47 and is used to drive the rotation of the feeding roller 49. Each feeding motor 48 corresponds to one feeding roller 49. An annular feeding groove is formed in the feeding roller 49. A feeding belt is arranged in the feeding groove. The feeding motor 48 drives the rotation of the feeding roller 49 through the feeding belt.

[0046] The middle part of the feeding pressure frame 55 is hinged to the feeding frame 47. Five feeding pressure rollers 54 are rotationally connected to one feeding pressure frame 55. Three feeding rollers 49 correspond to one feeding pressure frame 55.

[0047] The feeding elastic assembly 50 is arranged on the feeding frame 47 and makes the feeding pressure roller 54 and the feeding roller 49 abut against the two sides of the webbing 100 respectively, and the webbing 100 covers the two feeding rollers 49 simultaneously.

[0048] The feeding elastic assembly 50 comprises a second elastic member 51, a second sliding sleeve 52 and a second sliding rod 53. The end of the feeding pressure frame 55 is hinged to the second sliding rod 53. The second sliding sleeve 52 is hinged to the feeding frame 47. The second sliding rod 53 is slidingly connected to the second sliding sleeve 52, and the two ends of the second elastic member 51 are connected to the second sliding sleeve 52 and the second sliding rod 53 respectively. The second elastic member 51 is a spring.

[0049] After the webbing 100 is wound around the connecting rod 33 and passes between the feeding pressure roller 54 and the feeding roller 49, the feeding pressure frame 55 is flipped down, and the feeding pressure frame 55 is flipped along the hinge and makes the feeding pressure roller 54 press on the upper surface of the webbing 100, and the lower surface of the webbing 100 abuts against the feeding roller 49. The feeding pressure roller 54 continuously applies pressure to the webbing 100 by the elastic force of the second elastic member 51, so that the flattened webbing 100 is stably transmitted to the rack 45.

[0050] The detection device 56 is arranged on the upper side and the lower side of the rack 45 to detect the upper side and the lower side of the webbing 100 respectively. The detection device 56 comprises two dark boxes 57, a camera 58 and a light source 59. The two dark boxes 57 are fixed to the upper surface and the lower surface of the rack 45 respectively. The inner wall of the dark box 57 is coated with frosted black paint. The space for the transmission of the webbing 100 is formed between the dark box 57 and the rack 45.

[0051] The camera 58 is fixedly connected to the top wall of the dark box 57 and faces the webbing 100, and the light source 59 is fixed to the side wall of the dark box 57 and is located in the transmission direction of the webbing 100.

[0052] After the flattened webbing 100 passes through the space, the camera 58 is used to take a picture of the webbing 100 and transmit the picture information to the controller, the controller is used to receive the picture information taken by the camera 58 and process the picture information, and when the controller detects the presence of the defect of the webbing 100 in the picture information, an alarm is given.

[0053] The light source 59 is hinged to the side wall of the dark box 57 through a pin shaft 60 on one side, and a positioning rod 61 is fixedly connected to the other side of the light source 59. An arc-shaped adjusting groove 63 is formed in the side wall of the dark box 57, and the end of the positioning rod 61 is slidingly connected to the adjusting groove 63. The light source 59 rotates along the axis of the pin shaft 60 while making the positioning rod 61 move along the adjusting groove 63. A positioning sleeve 62 for abutting against the inner wall of the dark box 57 is threadedly connected to the positioning rod 61.

[0054] Two webbings 100 correspond to two light sources 59 and one camera 58.

[0055] The controller is electrically connected to the feed motor 48 via a correction method, which includes the following correction steps: S1. Image Acquisition: Using a camera positioned above the conveyor belt path, image information of the running conveyor belt is acquired in real time; S2. Image Processing and Calculation: The image is processed to identify the webbing edge and fit it to a straight line using the least squares method. Then, the tilt angle representing the state of the webbing can be calculated. ; S3. Deviation Judgment: The calculated tilt angle is... Compared with the preset tilt angle tolerance threshold , compare, when At that time, it is determined that the webbing has shifted; S4. Correction Control: When a webbing deviation is detected, it is based on the tilt angle. Calculate a differential speed Based on this speed difference, the speeds of the two adjacent feed motors driving the webbing are differentially adjusted. By creating a speed difference on both sides of the webbing, its running posture is corrected until the tilt angle is adjusted. Return to within the threshold.

[0056] During the correction step, the target speeds of two adjacent feed motors are calculated and issued as follows: 1. Differential speed is given by the formula The calculation shows that, among which For control coefficients; 2. Based on the main transmission speed Based on this, when the webbing deviates, the target speeds of the left and right motors are set to... and This generates the tension difference required for correction.

[0057] Therefore, while the controller detects defects in the webbing 100 in the images captured by the camera, it can also monitor the operating status of the webbing.

[0058] The discharge device 64 includes a discharge frame 65, a discharge motor 66, a discharge roller 67, a discharge elastic component 69, a working plate 68, a discharge pressure roller 73, and a discharge pressure frame 74.

[0059] The discharge rack 65 is connected to the side of the frame 45 away from the feeding device 46. The discharge rollers 67 are rotatably connected to the discharge rack 65. Multiple discharge rollers 67 are arranged along the length of the discharge rack 65, and all discharge rollers 67 are coaxially arranged.

[0060] The discharging motor 66 is fixed on the discharging frame 65, the middle part of the discharging pressure frame 74 is hinged on the discharging frame 65, and the plurality of discharging pressure rollers 73 are arranged on the discharging pressure frame 74. Five discharging pressure rollers 73 are arranged on one discharging pressure frame 74.

[0061] One discharging roller 67 corresponds to one discharging motor 66, and three discharging rollers 67 correspond to one discharging pressure frame 74.

[0062] The discharging elastic assembly 69 is arranged on the discharging pressure frame 74 and is used to make the discharging pressure rollers 73 apply pressure to the webbing, so that the discharging pressure rollers 73 and the discharging roller 67 are respectively abutted against the two sides of the webbing 100.

[0063] The working plate 68 is fixed on the discharging frame 65 and is arranged obliquely, and the defect of the webbing 100 is located on the working plate 68.

[0064] The discharging elastic assembly 69 is arranged on the discharging frame 65, and the discharging elastic assembly 69 and the discharging roller 67 are respectively abutted against the two sides of the webbing 100. The working plate 68 is fixed on the discharging frame 65 and is arranged obliquely, and the defect of the webbing 100 is located on the working plate 68. The turning rod is fixedly connected on the discharging frame 65.

[0065] The discharging elastic assembly 69 comprises a first elastic member 70, a first sliding sleeve 71 and a first sliding rod 72. The middle part of the discharging pressure frame 74 is hinged on the discharging frame 65, the end part of the discharging pressure frame 74 is hinged with the upper end of the first sliding rod 72, the lower end of the first sliding sleeve 71 is hinged on the discharging frame 65, and the first sliding rod 72 is slidingly connected in the first sliding sleeve 71.

[0066] The two ends of the first elastic member 70 are respectively connected with the first sliding sleeve 71 and the first sliding rod 72, and the first elastic member 70 is a spring. The discharging pressure roller 73 is rotationally connected on the discharging pressure frame 74, and the discharging pressure roller 73 and the discharging roller 67 are respectively abutted against the two sides of the webbing 100 through the elastic force of the first elastic member 70.

[0067] After the webbing 100 passes through the detection, the webbing 100 passes through between the discharging pressure roller 73 and the discharging roller 67, then the discharging pressure frame 74 is turned down, the discharging pressure roller 73 abuts against the upper surface of the webbing 100, the discharging roller 67 rotates when the discharging motor 66 is started, so that the webbing 100 is output from the rack 45, and then the webbing 100 moves along the working plate 68 after passing around the turning rod.

[0068] The controller (not shown in the figure) is used to receive the picture information taken by the camera 58 and process the picture information. When the controller detects the presence of a defect in the picture information, it will alarm and then the feeding motor 48 and the discharging motor 66 will continue to start so as to place the defect on the work plate 68. Then the controller will turn off the feeding motor 48 and the discharging motor 66 so as to facilitate the worker to process the defect on the work plate 68. Since the first motor 6, the second motor 9 and the third motor 20 are continuously started, the fabric 100 will be placed in the storage cylinder 39 for temporary storage.

[0069] The discharging rack 65 is provided with a switch 75 for controlling the start and stop of the discharging motor 66 and the feeding motor 48.

[0070] After the defect is processed, the discharging motor 66 and the feeding motor 48 are started through the switch 75, and the fabric 100 starts to be transmitted again. The fabric 100 is transmitted from the discharging slot 40 in the storage cylinder 39.

[0071] The rotating speed of the feeding roller 49 is slower than that of the discharging roller 67, and the outer diameter of the feeding roller 49 is equal to that of the discharging roller 67, so that the fabric 100 can be unfolded during the detection to improve the detection effect.

[0072] Of course, the above is only a typical example of the present application, and in addition to this, the present application can have other various specific embodiments, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.

Claims

1. A ribbon defect detection machine, characterized in that: The device includes a frame (45) and a feeding device (1) for flattening and conveying the webbing (100). The feeding end of the frame (45) is provided with a feeding device (46), and the discharging end of the frame (45) is provided with a discharging device (64). The feeding device (46) is connected to the feeding device. The upper and lower sides of the frame (45) are provided with detection devices (56) for detecting the upper and lower sides of the webbing (100) respectively. The detection device (56) includes a dark box (57), a camera (58) and a light source (59). The dark box (57) and the frame (45) form a space for the conduction of the webbing (100). The camera (58) is connected to the top wall of the dark box (57) and faces the webbing (100). The light source (59) is fixed on the side wall of the dark box (57) and is located in the conduction direction of the webbing (100). The camera (58) is used to take pictures of the webbing (100) and transmit the image information to the controller. The controller is used to receive the image information taken by the camera (58) and process the image information. When the controller detects that there is a defect in the webbing (100) in the image information, it will issue an alarm.

2. The ribbon defect detection machine according to claim 1, characterized in that: One side of the light source (59) is hinged to the side wall of the dark box (57) via a pin (60), and the other side of the light source (59) is connected to a positioning rod (61). An adjustment groove (63) is provided on the side wall of the dark box (57), and the positioning rod (61) is slidably connected in the adjustment groove (63). When the light source (59) rotates along the axis of the pin (60), the positioning rod (61) moves along the adjustment groove (63). A positioning sleeve (62) for abutting against the inner wall of the dark box (57) is threaded onto the positioning rod (61).

3. The ribbon defect detection machine according to claim 1, characterized in that: The discharge device (64) includes a discharge frame (65), a discharge motor (66), a discharge roller (67), a discharge spring assembly (69), a working plate (68), a discharge pressure roller (73), and a discharge pressure frame (74). The discharge frame (65) is connected to the side of the frame (45) away from the feeding device (46). The discharge roller (67) is rotatably connected to the discharge frame (65). The discharge motor (66) is fixed to the discharge frame (65). Multiple discharge rollers (67) are arranged along the length of the discharge frame (65). The middle part of the discharge pressure frame (74) is hinged to the discharge frame. On (65), multiple discharge rollers (73) are arranged on discharge frame (74), one discharge roller (67) corresponds to one discharge motor (66), multiple discharge rollers (67) correspond to one discharge frame (74), the discharge elastic component (69) is arranged on discharge frame (74) and used to make the discharge rollers (73) apply pressure to the webbing, the discharge rollers (73) and discharge rollers (67) respectively abut against both sides of the webbing (100), the working plate (68) is fixed on the discharge frame (65) and is inclined, and the defect of the webbing (100) is located on the working plate (68).

4. A ribbon defect detection machine according to claim 3, characterized in that: The discharge elastic component (69) includes a first elastic element (70), a first sliding sleeve (71), and a first sliding rod (72). The end of the discharge pressure frame (74) is hinged to the first sliding rod (72). The first sliding sleeve (71) is hinged to the discharge frame (65). The first sliding rod (72) is slidably connected to the first sliding sleeve (71). The two ends of the first elastic element (70) are respectively connected to the first sliding sleeve (71) and the first sliding rod (72).

5. A ribbon defect detection machine according to claim 3, characterized in that: The feeding device (46) includes a feeding frame (47), a feeding motor (48), a feeding roller (49), a feeding spring assembly (50), a feeding pressure roller (54), and a feeding pressure frame (55). The feeding frame (47) is connected to the side of the frame (45) away from the discharging device (64). The feeding roller (49) is rotatably connected to the feeding frame (47). Multiple feeding rollers (49) are arranged along the length of the feeding frame (47). The feeding motor (48) is fixed to the feeding frame (47) and is used to drive the feeding roller. 49) Rotate, each feeding motor (48) corresponds to a feeding roller (49), the middle part of the feeding pressure frame (55) is hinged to the feeding frame (47), multiple feeding pressure rollers (54) are rotatably connected to the feeding pressure frame (55), multiple feeding rollers (49) correspond to one feeding pressure frame (55), the feeding elastic component (50) is set on the feeding frame (47) and makes the feeding pressure rollers (54) and feeding rollers (49) abut against both sides of the webbing (100) respectively, and the webbing (100) covers two feeding rollers (49) at the same time.

6. A ribbon defect detection machine according to claim 5, characterized in that: The feed spring assembly (50) includes a second elastic element (51), a second sliding sleeve (52), and a second sliding rod (53). The end of the feed pressure frame (55) is hinged to the second sliding rod (53). The second sliding sleeve (52) is hinged to the feed frame (47). The second sliding rod (53) is slidably connected to the second sliding sleeve (52). The two ends of the second elastic element (51) are respectively connected to the second sliding sleeve (52) and the second sliding rod (53).

7. A ribbon defect detection machine according to claim 5, characterized in that: The feed roller (49) rotates at a speed less than the discharge roller (67) to spread the webbing (100).

8. A ribbon defect detection machine according to claim 5 or 7, characterized in that: The discharge rack (65) is equipped with a switch (75) for controlling the opening and closing of the discharge motor (66) and the feed motor (48).

9. A ribbon defect detection machine according to claim 5, characterized in that: The controller is electrically connected to the feed motor (48) via a correction method, which includes the following correction steps: S1. Image Acquisition: Using a camera positioned above the conveyor belt path, image information of the running conveyor belt is acquired in real time; S2. Image Processing and Calculation: The image is processed to identify the webbing edge and fit it to a straight line using the least squares method. Then, the tilt angle representing the state of the webbing can be calculated. ; S3. Deviation Judgment: The calculated tilt angle is... Compared with the preset tilt angle tolerance threshold , compare, when At that time, it is determined that the webbing has shifted; S4. Correction Control: When a webbing deviation is detected, it is based on the tilt angle. Calculate a differential speed. Based on this speed difference, the speeds of the two adjacent feed motors driving the webbing are differentially adjusted. By creating a speed difference on both sides of the webbing, its running posture is corrected until the tilt angle is adjusted. Return to within the threshold.

10. A ribbon defect detection machine according to claim 9, characterized in that: In the correction step, the target speeds of two adjacent feed motors are calculated and issued in the following manner: (1) The differential speed is given by the formula The calculation shows that, among which For control coefficients; (2) Using the main transmission speed Based on this, when the webbing deviates, the target speeds of the left and right motors are set to... and This generates the tension difference required for correction.

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