A chemical fiber fabric defect detection device

Abstract

The present invention provides a defect detection device for chemical fiber fabrics, which belongs to the field of fabric detection and includes: a bottom plate, two first support rods, a placing roller, a fourth motor and a storage roller. A cleaning component, a tension adjustment component and a detection component are installed on the bottom plate. The detection component includes a detection box fixedly connected to the upper end surface of the bottom plate, and a first support plate is fixedly installed on the inner wall of the detection box. By providing two upper and lower irradiation lamps in the detection box, the present invention has a better irradiation effect, enables the device to perform bright-field detection and dark-field detection according to requirements, and can synchronously adjust the angles and heights of the two irradiation lamps at the same time, realizing the optimization of light, reducing distortion and reflection, significantly improving the comprehensiveness and accuracy of fabric detection, avoiding the interference of light spots in high-reflection areas, improving imaging uniformity, and at the same time using bristles to clean the surface of the fabric, avoiding misjudgment during detection caused by impurities on the fabric, and improving the accuracy of detection.

Description

Technical Field

[0001] The present invention relates to the technical field of fabric detection, and particularly to a detection device for defects of chemical fiber fabrics. Background Art

[0002] In recent years, the innovation of chemical fiber materials has accelerated, and emerging materials such as ultra-fine fibers, profiled cross-section fibers, and functional composite fibers have emerged. Due to the increased structural complexity of the fabrics made from these materials, traditional detection methods face major challenges.

[0003] A textile fabric defect detection device with the application number CN201811233646.9 includes a detection table. Above the detection table, there is a fabric rack. On the fabric rack, there are a pair of fixed plates. On the fixed plates, there are a servo motor and a lifting groove. Inside the lifting groove, there is a lifting screw rod. Between the lifting screw rods, there is a lifting frame; on the lifting frame, there is an inkjet pump. The inkjet pump is connected to an inkjet device through a pipeline. At the bottom of the inkjet device, there are multiple inkjet heads arranged in a straight line; on the lifting frame, there is also a CCD detection camera; at both ends of the fabric rack, there are a first rotating shaft and a second rotating shaft; on both sides of the fabric rack, there is a pair of fixed blocks. Between the fixed blocks, there is a rotating pressing shaft; on both sides of the detection table, there are a pair of extension rods. On the extension rods, there are rotating shaft brackets. Between the two rotating shaft brackets, there is a third rotating shaft; The present invention can improve the accuracy of textile defect detection, speed up the detection speed, and reduce labor costs. The lighting angle of this device is fixed, and its adaptability to different fabric materials is poor. It is prone to problems such as shadow covering defects or missed detection of reflections, and is easily interfered by ambient stray light. Moreover, when detecting, there may be impurities on both sides of the fabric, which will affect the detection accuracy and detection efficiency. Summary of the Invention

[0004] In view of the deficiencies in the prior art, the present invention provides a detection device for defects of chemical fiber fabrics.

[0005] An embodiment of the present invention provides a detection device for defects of chemical fiber fabrics, including:

[0006] A bottom plate, two first support rods, a placing roller, a fourth motor, and a storage roller. A cleaning assembly, a tension adjustment assembly, and a detection assembly are installed on the bottom plate. The detection assembly includes a detection box fixedly connected to the upper end surface of the bottom plate. A first support plate is fixedly installed on the inner wall of the detection box. An industrial camera is installed on the first support plate. Two lifting openings are formed in the inner wall of the detection box. Two second support plates are slidably connected between the two lifting openings. Illuminating lamps are rotatably connected to both of the second support plates. Air cylinders are fixedly installed on the upper and lower end surfaces of the detection box respectively. The telescopic ends of the two air cylinders are fixedly connected to the two second support plates respectively. Vertical plates are fixedly connected to the side walls of the two second support plates. First bevel gears are rotatably connected to the side walls of the two second support plates respectively. The two first bevel gears are fixedly installed with the two illuminating lamps respectively. Second bevel gears are rotatably connected to both of the vertical plates. The two first bevel gears are meshed with the two second bevel gears respectively. A first motor is fixedly installed on the side wall of the lower second support plate. The rotating end of the first motor is fixedly connected to the illuminating lamp on the second support plate where it is located. A telescopic transmission shaft is installed between the two second bevel gears.

[0007] Further, the cleaning assembly includes a support frame fixedly connected to the upper end surface of the bottom plate. Two groups of adjustment grooves are formed in the support frame. Two lifting rods are slidably connected between the two groups of adjustment grooves. Brush hairs are provided on both of the lifting rods. A bidirectional screw rod is rotatably connected to the inner wall of one of the adjustment grooves. The bidirectional screw rod threadedly penetrates through the two lifting rods. A second motor is fixedly installed on the upper end surface of the support frame. The rotating end of the second motor is fixedly connected to the bidirectional screw rod. A dust suction device is installed on the bottom plate. The dust suction device is installed on the support frame. A rack is fixedly connected to the support frame. Dialing assemblies are installed on both of the lifting rods.

[0008] Further, the dialing assembly includes a placing groove formed in the lifting rod. A reciprocating lead screw is installed on the inner wall of the placing groove. A dialing rod is fixedly installed on the reciprocating lead screw. A spur gear is rotatably connected to the side wall of the lifting rod. The spur gear is matched with the rack.

[0009] Further, the tension adjustment assembly includes two second support rods fixedly connected to the upper end surface of the bottom plate. Moving openings are formed in both of the second support rods. Adjusting blocks are slidably connected in the two moving openings. A tensioning roller is rotatably connected between the two adjusting blocks. A unidirectional screw rod is rotatably connected to the inner wall of one of the moving openings. A guide rod is fixedly connected to the inner wall of the other moving opening. The unidirectional screw rod threadedly penetrates through one of the adjusting blocks. The upper end of the unidirectional screw rod is fixedly connected to the rotating end of a third motor. The third motor is fixedly installed on the upper end surface of the second support rod.

[0010] Furthermore, the two first support rods are fixedly connected to both sides of the bottom plate, the placement roller and the storage roller are rotatably connected to the two first support rods respectively, the fourth motor is fixedly connected to the first support rod provided with the storage roller, and the rotating end of the fourth motor is fixedly connected to the storage roller.

[0011] Furthermore, a plurality of brackets are fixedly connected to the upper surface of the bottom plate, and each of the plurality of brackets is composed of a third support rod and a first roller, and a second roller is rotatably connected to the inner wall of the detection box.

[0012] Furthermore, a protective shell is fixedly connected to the side wall of the second support plate on which the first motor is installed, and the protective shell matches the first motor.

[0013] Furthermore, the lower end surface of the bottom plate is provided with anti-slip patterns, the detection box is provided with an inspection opening, a shielding plate is provided in the inspection opening, a plurality of bolts are slidably penetrated on the shielding plate, and the plurality of bolts are all threadedly connected to the detection box.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. By setting two upper and lower irradiation lamps in the detection box, the irradiation effect is better, and the device can perform bright field detection and dark field detection according to needs. When the first motor is working, the angles of the two irradiation lamps are synchronously adjusted under the transmission of the first bevel gear and the second bevel gear. When the cylinder starts working, the height of the irradiation lamp can be adjusted to optimize the lighting, reduce distortion and reflection, significantly improve the comprehensiveness and accuracy of fabric detection, avoid light spot interference in high reflection areas, and improve imaging uniformity.

[0016] 2. The cloth to be tested is set on the device, and the second motor works to make the two lifting rods approach each other, so that the bristles can touch the surface of the cloth. When testing, the bristles can lightly brush both sides of the cloth to remove dust and other impurities on the surface of the cloth. By cooperating with the dust suction device, the impurities removed can be collected to avoid misjudgment during detection due to impurities on the cloth, thereby improving the accuracy of detection.

[0017] 3. After the inspection is completed, the lifting rod rises and resets. With the cooperation of the spur gear and the rack, the reciprocating screw works, and the toggle rod moves back and forth to remove the dust remaining on the bristles, thereby realizing automatic cleaning of the bristles, reducing the workload of the staff and ensuring the cleaning effect of the bristles. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural perspective view of a chemical fiber fabric defect detection device according to an embodiment of the present invention.

[0019] Figure 2 It is a three-dimensional side view of the structure of a chemical fiber fabric defect detection device described in an embodiment of the present invention.

[0020] Figure 3 It is a three-dimensional cross-sectional view of a chemical fiber fabric defect detection device described in an embodiment of the present invention.

[0021] Figure 4 It is a three-dimensional cross-sectional view of the second support plate structure of a chemical fiber fabric defect detection device described in an embodiment of the present invention.

[0022] Figure 5 It is a three-dimensional schematic diagram of the lifting rod structure of a chemical fiber cloth defect detection device described in an embodiment of the present invention.

[0023] Figure 6 for Figure 2 A magnified view of the structure in the middle.

[0024] In the above drawings: 1 bottom plate, 2 placement roller, 3 storage roller, 4 inspection box, 5 first support plate, 6 industrial camera, 7 second support plate, 8 irradiation lamp, 9 cylinder, 10 vertical plate, 11 first bevel gear, 12 second bevel gear, 13 first motor, 14 telescopic transmission shaft, 15 support frame, 16 lifting rod, 17 bristles, 18 bidirectional screw, 19 second motor, 20 dust suction device, 21 rack, 22 placement slot, 23 reciprocating screw, 24 toggle rod, 25 spur gear, 26 second support rod, 27 tensioning roller, 28 one-way screw, 29 third motor, 30 fourth motor, 31 bracket, 32 baffle plate. DETAILED DESCRIPTION

[0025] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0026] like Figures 1-6 As shown, the embodiment of the present invention provides a chemical fiber fabric defect detection device, comprising:

[0027] Base plate 1, two first support rods, a placing roller 2, a fourth motor 30 and a storage roller 3. The two first support rods are fixedly connected to both sides of the base plate 1. The placing roller 2 and the storage roller 3 are respectively rotatably connected to the two first support rods. The fourth motor 30 is fixedly connected to the first support rod provided with the storage roller. The rotating end of the fourth motor 30 is fixedly connected to the storage roller 3. A cleaning component, a tension adjustment component and a detection component are installed on the base plate 1. The lower end surface of the base plate 1 is provided with anti-slip patterns, which improves the stability of the device. An inspection opening is opened on the detection box 4. A baffle plate 32 is arranged in the inspection opening. A plurality of bolts are slidably penetrated through the baffle plate 32. The plurality of bolts are all threadedly connected to the detection box 4. The inspection opening facilitates the user to maintain the components in the detection box 4. The detection component includes a detection box 4 fixedly connected to the upper end surface of the base plate 1. A first support plate 5 is fixedly installed on the inner wall of the detection box 4. An industrial camera 6 is installed on the first support plate 5. The industrial camera 6 is a prior art, and its principle is based on machine vision technology, and realizes automatic defect recognition and marking by combining image processing and AI algorithms. After detecting a defect, the system accurately locates the flaw position according to the image coordinates, and judges the type through a preset classification model, and triggers an audible and visual alarm, and stops waiting for manual confirmation and repair, which will not be elaborated here;

[0028] ‌Two lifting openings are opened on the inner wall of the detection box 4. Two second support plates 7 are slidably connected between the two lifting openings. Illuminating lamps 8 are respectively rotatably connected to the two second support plates 7. Air cylinders 9 are fixedly installed on the upper and lower end surfaces of the detection box 4. The telescopic ends of the two air cylinders 9 are respectively fixedly connected to the two second support plates 7. Vertical plates 10 are fixedly connected to the side walls of the two second support plates 7. First bevel gears 11 are respectively rotatably connected to the side walls of the two second support plates 7. The two first bevel gears 11 are respectively fixedly installed with the two illuminating lamps 8. Second bevel gears 12 are respectively rotatably connected to the two vertical plates 10. The two first bevel gears 11 are respectively meshed with the two second bevel gears 12. A first motor 13 is fixedly installed on the side wall of the second support plate 7 located below. A protective shell is fixedly connected to the side wall of the second support plate 7 on which the first motor 13 is installed. The protective shell matches the first motor 13. The protective shell can protect the first motor 13 and prevent the first motor 13 from being damaged by interference. The fixedly rotating end of the first motor 13 is fixedly connected to one of the illuminating lamps 8. A telescopic transmission shaft 14 is installed between the two second bevel gears 12. The telescopic transmission shaft 14 is a prior art, which is a telescopic transmission shaft that realizes length adjustment through multi-segment rod bodies and transmits rotational force, which will not be elaborated here. A plurality of brackets 31 are fixedly connected to the upper end surface of the base plate 1. The plurality of brackets 31 are all composed of third support rods and first idler rollers. A second idler roller is rotatably connected to the inner wall of the detection box 4. The first idler roller and the second idler roller realize the lifting of the fabric, so that the fabric is stably conveyed;

[0029] The cleaning assembly includes a support frame 15 fixedly connected to the upper end face of the bottom plate 1. Two sets of adjustment slots are provided on the support frame 15. Two lifting rods 16 are slidably connected between the two sets of adjustment slots. Brush hairs 17 are provided on both of the two lifting rods 16. One of the inner walls of the adjustment slots is rotatably connected to a bidirectional screw 18. The bidirectional screw 18 threadedly penetrates through the two lifting rods 16. A second motor 19 is fixedly installed on the upper end face of the support frame 15. The rotating end of the second motor 19 is fixedly connected to the bidirectional screw 18. A dust suction device 20 is installed on the bottom plate 1. The dust suction device 20 is installed on the support frame 15. The dust suction device 20 is a prior art, mainly composed of a motor and a blower, generating negative pressure through high-speed rotation to form suction force. A dust bag is used to intercept dust particles, a dust collection container stores the separated waste, and a dust suction pipe and a suction nozzle are included. Its working principle is that the motor drives the blower to form a vacuum negative pressure. After sucking in the dust-containing air, gas-solid separation is achieved by capturing particles through a cloth filter material, and finally the clean air is discharged, and the dust is stored in the dust collection container. Here, it will not be elaborated further. A rack 21 is fixedly connected to the support frame 15. Dialing components are installed on both of the two lifting rods 16;

[0030] The dialing component includes a placement slot 22 opened on the lifting rod 16. A reciprocating lead screw 23 is installed on the inner wall of the placement slot 22. The reciprocating lead screw 23 is a prior art, which drives a shuttle to achieve axial reciprocating motion through the one-way rotation of the lead screw. A dialing rod 24 is fixedly connected to the shuttle. Here, it will not be elaborated further. A dialing rod 24 is fixedly installed on the reciprocating lead screw 23. A spur gear 25 is rotatably connected to the side wall of the lifting rod 16. The spur gear 25 matches the rack 21. The tensioning and adjusting component includes two second support rods 26 fixedly connected to the upper end face of the bottom plate 1. Moving openings are provided on both of the two second support rods 26. Adjusting blocks are slidably connected in the two moving openings. A tensioning roller 27 is rotatably connected between the two adjusting blocks. One of the inner walls of the moving openings is rotatably connected to a one-way screw 28. A guide rod is fixedly connected to the inner wall of the other moving opening. The one-way screw 28 threadedly penetrates through one of the adjusting blocks. The upper end of the one-way screw 28 is fixedly connected to the rotating end of a third motor 29. The third motor 29 is fixedly installed on the upper end face of the second support rod.

[0031] The detailed working process of the present invention is as follows:

[0032] First, the fabric to be inspected is placed on the placement roller 2, the first roller, the tensioning roller 27, the second roller and the storage roller 3, and then the third motor 29 starts to work, the one-way screw 28 rotates, and the tensioning roller 27 moves up and down to adjust the tension of the fabric, and then the second motor 19 works, and the bidirectional screw 18 rotates, so that the two lifting rods 16 are close to each other, and the bristles 17 can contact the surface of the fabric, and then the cylinder 9 starts to work to adjust the height of the second support plate 7, so that the two irradiation lamps 8 are at a suitable height. By arranging two upper and lower irradiation lamps 8 in the detection box 4, the irradiation effect is better, and the device can perform bright field detection and dark field detection as needed. The irradiation lamp 8 above the fabric for bright field detection starts to work, which is suitable for surface reflective defects. The irradiation lamp 8 below the fabric for dark field detection works and detects internal defects by transmitted light, which improves the practicality of the device, and when the first motor 13 works, the first bevel gear 11 and the second bevel gear 13 are connected. Under the transmission of the gear 12, the angles of the two irradiation lamps 8 are synchronously adjusted, the angle and height of the irradiation lamps 8 are adjusted, and the lighting is optimized, which can reduce distortion and reflection, significantly improve the comprehensiveness and accuracy of cloth detection, and avoid the interference of light spots in high-reflection areas, and improve the uniformity of imaging. After the adjustment is completed, the fourth motor 30 starts to work to transport the cloth. The bristles 17 can lightly brush both sides of the cloth to remove dust and other impurities on the surface of the cloth. By cooperating with the dust suction device 20, the impurities removed can be collected, which can effectively avoid misjudgment during detection caused by impurities on the cloth, and improve the accuracy of detection. After the detection is completed, the lifting rod 16 rises and resets. With the cooperation of the spur gear 25 and the rack 21, the reciprocating screw 23 works, and the toggle rod 24 moves back and forth, which can remove the dust remaining on the bristles 17, and realize automatic cleaning of the bristles 17, reducing the workload of the staff and ensuring the cleaning effect of the bristles 17.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A defect detection device for chemical fiber fabrics, characterized in that, Including: A bottom plate (1), two first support rods, a placing roller (2), a fourth motor (30) and a storage roller (3). A cleaning component, a tension adjusting component and a detection component are installed on the bottom plate (1). The detection component includes a detection box (4) fixedly connected to the upper end surface of the bottom plate (1). A first support plate (5) is fixedly installed on the inner wall of the detection box (4). An industrial camera (6) is installed on the first support plate (5). Two lifting openings are opened on the inner wall of the detection box (4). Two second support plates (7) are slidably connected between the two lifting openings. Illuminating lamps (8) are rotatably connected to both of the two second support plates (7). Air cylinders (9) are fixedly installed on the upper and lower end surfaces of the detection box (4). The telescopic ends of the two air cylinders (9) are respectively fixedly connected to the two second support plates (7). Vertical plates (10) are fixedly connected to the side walls of the two second support plates (7). First bevel gears (11) are rotatably connected to the side walls of the two second support plates (7). The two first bevel gears (11) are respectively fixedly installed with the two illuminating lamps (8). Second bevel gears (12) are rotatably connected to both of the two vertical plates (10). The two first bevel gears (11) are respectively meshed with the two second bevel gears (12). A first motor (13) is fixedly installed on the side wall of the second support plate (7) located below. The rotating end of the first motor (13) is fixedly connected to the illuminating lamp (8) on the second support plate (7) where it is located. A telescopic transmission shaft (14) is installed between the two second bevel gears (12); The cleaning component includes a support frame (15) fixedly connected to the upper end surface of the bottom plate (1). Two groups of adjustment slots are opened on the support frame (15). Two lifting rods (16) are slidably connected between the two groups of adjustment slots. Brush hairs (17) are provided on both of the two lifting rods (16). A bidirectional screw rod (18) is rotatably connected to the inner wall of one of the adjustment slots. The bidirectional screw rod (18) threadedly penetrates through the two lifting rods (16). A second motor (19) is fixedly installed on the upper end surface of the support frame (15). The rotating end of the second motor (19) is fixedly connected to the bidirectional screw rod (18). A dust suction device (20) is installed on the bottom plate (1). The dust suction device (20) is installed on the support frame (15). A rack (21) is fixedly connected to the support frame (15). Toggle components are installed on both of the two lifting rods (16); The toggle component includes a placing slot (22) opened on the lifting rod (16). A reciprocating lead screw (23) is installed on the inner wall of the placing slot (22). A toggle rod (24) is fixedly installed on the reciprocating lead screw (23). A spur gear (25) is rotatably connected to the side wall of the lifting rod (16). The spur gear (25) is matched with the rack (21); The tension adjusting assembly includes two second support rods (26) fixedly connected to the upper end surface of the bottom plate (1). Moving openings are formed in both of the two second support rods (26). Adjusting blocks are slidably connected in the two moving openings. A tension roller (27) is rotatably connected between the two adjusting blocks. A unidirectional screw rod (28) is rotatably connected to the inner wall of one of the moving openings, and a guide rod is fixedly connected to the inner wall of the other moving opening. The unidirectional screw rod (28) threadedly penetrates through one of the adjusting blocks. The upper end of the unidirectional screw rod (28) is fixedly connected to the rotating end of a third motor (29), and the third motor (29) is fixedly installed on the upper end surface of the second support rod (26).

2. The fiber fabric defect detection device according to claim 1, characterized in that, Among them: The two first support rods are fixedly connected to both sides of the bottom plate (1). The placing roller (2) and the storage roller (3) are respectively rotatably connected to the two first support rods. The fourth motor (30) is fixedly connected to the first support rod provided with the storage roller, and the rotating end of the fourth motor (30) is fixedly connected to the storage roller (3).

3. The defect detection device for chemical fiber fabrics according to claim 1, characterized in that, Among them: A plurality of brackets (31) are fixedly connected to the upper end surface of the bottom plate (1). Each of the plurality of brackets (31) is composed of a third support rod and a first roller. A second roller is rotatably connected to the inner wall of the detection box (4).

4. The defect detection device for chemical fiber fabrics according to claim 1, characterized in that, Among them: A protective shell is fixedly connected to the side wall of the second support plate (7) where the first motor (13) is installed, and the protective shell matches the first motor (13).

5. The defect detection device for chemical fiber fabrics according to claim 1, characterized in that, Among them: Anti-slip patterns are provided on the lower end surface of the bottom plate (1). An inspection opening is formed in the detection box (4). A shielding plate (32) is provided in the inspection opening. A plurality of bolts slidably penetrate through the shielding plate (32), and the plurality of bolts are all threadedly connected to the detection box (4).

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