Online continuous detection device for spunlace non-woven fabric

Abstract

The invention relates to an online continuous detection device for spunlace non-woven fabrics, which is applied to the field of non-woven fabric detection and comprises an unwinding roller, a winding roller, a detection mechanism and a cleaning mechanism, and the cleaning mechanism comprises an upper cleaning part, a lower cleaning part and a washing mechanism. The first conveying rollers, the second conveying rollers and the external adhesion type conveying belts are arranged on the upper side and the lower side of the non-woven fabric, the first conveying rollers are matched with the second conveying rollers so that the external adhesion type conveying belts can conduct continuous transmission, floating hair and other impurities on the surface of the non-woven fabric can be stably removed in an adhesion mode, and the washing mechanism washes away the floating hair and other impurities attached to the surfaces of the external adhesion type conveying belts. The non-woven fabrics are continuously and stably cleaned by the external adhesion type conveyor belt, the cleaning effect of the adhesion type cleaning mode is better, and in addition, the initial detection mechanism is matched with the redetection mechanism to compare the non-woven fabrics before and after cleaning, so that the detection accuracy is greatly improved, and the detection efficiency is improved. And meanwhile, the adhesion effect of the external adhesion type conveying belt on impurities such as non-woven fabric floating hair can be intelligently judged, so that the external adhesion type conveying belt can be replaced in time.

Description

Technical Field

[0001] The invention relates to a detection device, in particular to an online continuous detection device for spunlace nonwoven fabrics applied in the field of nonwoven fabric detection. Background Art

[0002] Spunlace nonwoven fabric is made by spraying high-pressure fine water flow onto one or more layers of fiber webs, causing the fibers to entangle with each other, thereby reinforcing the fiber web and giving it a certain strength. The resulting fabric is spunlace nonwoven fabric, which has the characteristics of high strength, low fuzzing, and good air permeability. It is widely used in medical devices, cosmetic cotton pads, wet wipes, etc. Before spunlace nonwoven fabrics are put on the market, they need to be tested to prevent nonwoven fabrics with defects from entering the market.

[0003] For example, the specification of patent publication number CN117092111B discloses an online continuous detection device for spunlace nonwoven fabrics, including a frame, a reeling unit installed on the frame, a reeling unit installed on the frame, a first inverted U-shaped frame installed on the frame, a first driving unit for driving the reeling unit, and a second driving unit for driving the reeling unit; a first strip light source and a first image acquisition unit are installed at the first inverted U-shaped frame, and also include a first guide roller, a lifting guide roller, a second inverted U-shaped frame and two mounting side panels connected to the frame; the first image acquisition unit can perform a comprehensive detection of the surface of the nonwoven fabric through wide-angle shooting, thereby realizing fast and efficient detection; at the same time, the second image acquisition unit can perform another targeted image acquisition detection on the surface of the nonwoven fabric with defects, thereby achieving continuous and accurate image acquisition and detection effects, thereby improving the overall detection efficiency.

[0004] However, the above-disclosed online continuous detection device for spunlace nonwoven fabrics removes floating impurities on the surface of the nonwoven fabric by scraping with a scraper and blowing air, but the impurity removal effect is not good, and the blowing method easily causes the floating impurities to float around, which not only worsens the detection environment, but also makes it easy for impurities such as floating hair to fall on the nonwoven fabric again, affecting the accuracy of the detection. Therefore, an online continuous detection device for spunlace nonwoven fabrics is proposed to improve the above-mentioned problems. Summary of the invention

[0005] In view of the above-mentioned prior art, the technical problem to be solved by the present invention is that the existing online continuous detection device removes floating hair impurities on the surface of the non-woven fabric by scraping with a scraper and blowing air, but the impurity removal effect is not good, and the blowing method easily causes the floating hair impurities to float around, which not only worsens the detection environment, but also makes it easy for impurities such as floating hair to fall on the non-woven fabric again, affecting the accuracy of the detection.

[0006] In order to solve the above problems, the present invention provides an online continuous detection device for spunlace nonwoven fabrics, comprising an unwinding roller, a winding roller, and a detection mechanism and a cleaning mechanism arranged between the unwinding roller and the winding roller: The cleaning mechanism comprises an upper cleaning mechanism and a lower cleaning mechanism, the upper cleaning mechanism comprises an upper cleaning member, the lower cleaning mechanism comprises a lower cleaning member, the upper cleaning member and the lower cleaning member both comprise a first conveying roller, a second conveying roller and an external adhesive conveying belt, and the external adhesive conveying belt is drivingly connected between the first conveying roller and the second conveying roller; The upper cleaning mechanism and the lower cleaning mechanism both further include a water washing mechanism, the water washing mechanism including a water washing tank, the inner side of the water washing tank is filled with cleaning liquid, the first conveying roller is rotatably installed on the inner side of the water washing tank, and the side end of the water washing tank is installed with a driving motor for driving the first conveying roller to rotate; The second conveying roller is rotatably installed on the outer side of the washing tank, the second conveying roller in the upper cleaning member contacts the upper surface of the non-woven fabric, and the second conveying roller in the lower cleaning member contacts the lower surface of the non-woven fabric. The upper cleaning member also includes a reversing component, which is installed between the first conveying roller and the second conveying roller; The detection mechanism includes a primary inspection mechanism and a re-inspection mechanism. The primary inspection mechanism is located between the unwinding roller and the cleaning mechanism, and the re-inspection mechanism is located between the cleaning mechanism and the winding roller. The primary inspection mechanism and the re-inspection mechanism include a first image collector and a second image collector respectively.

[0007] In the above-mentioned online continuous detection device for spunlace non-woven fabrics, by arranging cleaning parts including a first conveyor roller, a second conveyor roller and an external adhesive conveyor belt on both the upper and lower sides of the non-woven fabric, the first conveyor roller can be used in cooperation with the second conveyor roller to make the external adhesive conveyor belt continuously driven, thereby stably removing impurities such as floating hair on the surface of the non-woven fabric, and by immersing one end of the external adhesive conveyor belt in a washing tank, the cleaning liquid in the washing tank can be used to wash away impurities such as floating hair adhered to the surface of the external adhesive conveyor belt, thereby ensuring that the external adhesive conveyor belt has a continuous and stable cleaning effect on the non-woven fabric, and the cleaning effect of the adhesive cleaning method is better. In addition, by respectively arranging an initial inspection mechanism and a re-inspection mechanism before and after the cleaning mechanism, the non-woven fabric can be compared before and after cleaning, which greatly improves the accuracy of the detection. At the same time, the adhesion effect of the external adhesive conveyor belt on impurities such as floating hair on the non-woven fabric can be intelligently judged, so as to facilitate timely replacement of the external adhesive conveyor belt.

[0008] As a further supplement to the present application, the reversing assembly includes a first reversing roller and a second reversing roller; The first reversing roller and the second reversing roller are both rotatably installed on the outer side of the washing tank, and the external adhesive conveyor belts both bypass the upper end surfaces of the first reversing roller and the second reversing roller.

[0009] As another improvement of the present application, the upper cleaning piece and the lower cleaning piece also include a widening roller, which is rotatably installed on the outside of the washing tank, and the widening roller and the second conveying roller are located on the same horizontal plane, and the external adhesion conveyor belt bypasses the widening roller; the provided widening roller can increase the contact area between the external adhesion conveyor belt and the non-woven fabric, thereby improving the effect of removing impurities such as floating hair.

[0010] As a further supplement to the present application, the external adhesive conveyor belt includes a conveyor belt body and an adhesive layer. The conveyor belt body is driven and installed between the first conveyor roller and the second conveyor roller, and the adhesive layer is detachably installed on the outer surface of the conveyor belt body. The detachable connection between the conveyor belt body and the adhesive layer facilitates the replacement of the adhesive layer.

[0011] As a further supplement to the present application, a scraping brush in contact with the surface of the external adhesive conveyor belt is installed at the inner bottom end of the washing tank; the scraping brush can scrape off impurities such as floating hair adhered to the surface of the external adhesive conveyor belt to ensure a stable cleaning effect of the external adhesive conveyor belt on the non-woven fabric.

[0012] As a further supplement to the present application, a water-absorbing block in contact with the surface of the external adhesive conveyor belt is installed at the upper end of the washing tank, and a heating plate is installed on the inner side of the water-absorbing block; the water-absorbing block can absorb water stains remaining on the surface of the external adhesive conveyor belt after washing, and the heating plate heats the water-absorbing block to quickly evaporate the water absorbed by the water-absorbing block, thereby ensuring that the water-absorbing block can stably absorb water stains remaining on the surface of the external adhesive conveyor belt, thereby ensuring a stable cleaning effect of the external adhesive conveyor belt on the non-woven fabric.

[0013] As a further supplement to the present application, a scraper is provided on the lower side of the water absorbent block, which is installed on the inner wall of the water washing tank and contacts the surface of the external adhesive conveyor belt; the scraper can scrape off the water stains left on the surface of the external adhesive conveyor belt before the water absorbent block, thereby reducing the water absorption burden of the water absorbent block.

[0014] As a further supplement to the present application, a circulation pump and a filtering device connected by a pipeline are installed at the bottom end of the washing tank; The filtering device is installed at the input end of the circulation pump, an outlet pipe is installed between the filtering device and one side of the washing tank, a return pipe is installed between the output end of the circulation pump and the other side of the washing tank, and a dispersion pipe is installed at the end of the return pipe located on the inner side of the washing tank; the circulation pump makes the cleaning liquid in the washing tank circulate, so that the floating hair and other impurities dispersed in the cleaning liquid are concentrated and collected in the filtering device, so as to avoid the floating hair and other impurities in the cleaning liquid from excessively sticking to the surface of the external adhesive conveyor belt and affecting the cleaning effect of the non-woven fabric.

[0015] As a further supplement to the present application, the initial inspection mechanism also includes a dust suction device, which is located on the side of the first image collector away from the unwinding roller; the dust suction device can preliminarily remove impurities such as floating hair on the surface of the non-woven fabric, thereby reducing the cleaning burden of the cleaning mechanism.

[0016] As a further supplement to the present application, a first cloth guide roller is arranged between the unwinding roller and the initial inspection mechanism, and a second cloth guide roller is arranged between the re-inspection mechanism and the winding roller.

[0017] In summary, by arranging cleaning parts including a first conveyor roller, a second conveyor roller and an external adhesive conveyor belt on both the upper and lower sides of the non-woven fabric, the first conveyor roller can be used in cooperation with the second conveyor roller to make the external adhesive conveyor belt continuously transmitted, thereby stably removing impurities such as floating hair on the surface of the non-woven fabric, and by immersing one end of the external adhesive conveyor belt in a washing tank, the cleaning liquid in the washing tank can be used to wash away impurities such as floating hair adhered to the surface of the external adhesive conveyor belt, thereby ensuring that the external adhesive conveyor belt has a continuous and stable cleaning effect on the non-woven fabric, and the cleaning effect of the adhesive cleaning method is better. In addition, by respectively arranging a preliminary inspection mechanism and a re-inspection mechanism before and after the cleaning mechanism, the non-woven fabric can be compared before and after cleaning, which greatly improves the accuracy of the detection. At the same time, the adhesion effect of the external adhesive conveyor belt on impurities such as floating hair on the non-woven fabric can be intelligently judged, so as to facilitate timely replacement of the external adhesive conveyor belt; by arranging a scraper in the washing tank The brush can scrape off impurities such as floating hair adhered to the surface of the external adhesive conveyor belt to ensure that the external adhesive conveyor belt has a stable cleaning effect on the non-woven fabric; the water absorption block can absorb the water stains left on the surface of the external adhesive conveyor belt after washing, and the heating plate heats the water absorption block to quickly evaporate the water absorbed by the water absorption block, ensuring that the water absorption block can stably absorb the water stains left on the surface of the external adhesive conveyor belt, thereby ensuring that the external adhesive conveyor belt has a stable cleaning effect on the non-woven fabric; and the scraper plate set on the lower side of the water absorption block can scrape off the water stains left on the surface of the external adhesive conveyor belt before the water absorption block, thereby reducing the water absorption burden of the water absorption block; in addition, the circulating pump allows the cleaning liquid in the washing tank to circulate, so that impurities such as floating hair dispersed in the cleaning liquid are concentrated and collected in the filtering device, avoiding excessive adhesion of impurities such as floating hair in the cleaning liquid to the surface of the external adhesive conveyor belt and affecting the cleaning effect on the non-woven fabric. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall planar structure of the first embodiment of the present application; Figure 2 This is a schematic diagram of the planar structure of the lower cleaning mechanism of the first embodiment of the present application; Figure 3 This is a schematic diagram of the planar structure of the upper cleaning mechanism of the first embodiment of the present application; Figure 4This is a schematic diagram of the planar structure of the water washing mechanism in the first embodiment of the present application; Figure 5 The three-dimensional structure diagram of the water washing mechanism of the first embodiment of the present application is shown in FIG. Figure 1 ; Figure 6 The three-dimensional structure diagram of the water washing mechanism of the first embodiment of the present application is shown in FIG. Figure 2 ; Figure 7 This is a schematic diagram of the planar structure of the lower cleaning member of the second embodiment of the present application; Figure 8 This is a schematic diagram of the planar structure of the upper cleaning member of the second embodiment of the present application.

[0019] Description of the numbers in the figure: 1. Unwinding roller; 2. Rewinding roller; 3. Initial inspection mechanism; 31. First image collector; 32. Dust collecting device; 4. Re-inspection mechanism; 41. Second image collector; 5. Upper cleaning member; 6. Lower cleaning member; 561. First conveying roller; 562. Second conveying roller; 563. External adhesive conveyor belt; 5631. Conveyor belt body; 5632. Adhesive layer; 564. First reversing roller; 565. Second reversing roller; 566. Widening roller; 7. Driving motor; 8. First cloth guide roller; 9. Second cloth guide roller; 10. Water washing mechanism; 101. Water washing tank; 102. Scraping brush; 103. Water absorbing block; 104. Heating plate; 105. Water scraper; 106. Circulation pump; 107. Water outlet pipe; 108. Water return pipe; 109. Dispersion pipe; 1010. Filter device. DETAILED DESCRIPTION

[0020] Two implementation modes of the present application are described in detail below with reference to the accompanying drawings.

[0021] The first implementation method: The present invention provides an online continuous detection device for spunlace nonwoven fabrics, please refer to Figure 1-6 , including a unwinding roller 1, a winding roller 2, and a detection mechanism and a cleaning mechanism arranged between the unwinding roller 1 and the winding roller 2.

[0022] The cleaning mechanism includes an upper cleaning mechanism and a lower cleaning mechanism, the upper cleaning mechanism includes an upper cleaning member 5, the lower cleaning mechanism includes a lower cleaning member 6, the upper cleaning member 5 and the lower cleaning member 6 both include a first conveying roller 561, a second conveying roller 562 and an external adhesive conveyor belt 563, the external adhesive conveyor belt 563 is transmission-connected between the first conveying roller 561 and the second conveying roller 562, the upper cleaning mechanism and the lower cleaning mechanism both include a water washing mechanism 10, the water washing mechanism 10 includes a water washing tank 101, the inner side of the water washing tank 101 contains Cleaning liquid, the first conveying roller 561 is rotatably installed on the inner side of the washing tank 101, and the side end of the washing tank 101 is installed with a driving motor 7 for driving the first conveying roller 561 to rotate, and the second conveying roller 562 is rotatably installed on the outer side of the washing tank 101, the second conveying roller 562 in the upper cleaning part 5 contacts the upper surface of the non-woven fabric, and the second conveying roller 562 in the lower cleaning part 6 contacts the lower surface of the non-woven fabric, and the upper cleaning part 5 also includes a reversing component, which is installed between the first conveying roller 561 and the second conveying roller 562.

[0023] The online continuous detection device for spunlace non-woven fabrics is provided with cleaning parts including a first conveyor roller 561, a second conveyor roller 562 and an external adhesive conveyor belt 563 on both the upper and lower sides of the non-woven fabric. The first conveyor roller 561 can cooperate with the second conveyor roller 562 to make the external adhesive conveyor belt 563 continuously driven, thereby stably removing impurities such as floating hair on the surface of the non-woven fabric, and by immersing one end of the external adhesive conveyor belt 563 in a washing tank 101, the cleaning liquid in the washing tank 101 can be used to wash away impurities such as floating hair adhered to the surface of the external adhesive conveyor belt 563, thereby ensuring that the external adhesive conveyor belt 563 has a continuous and stable cleaning effect on the non-woven fabric, and the adhesive cleaning method has a better cleaning effect.

[0024] The reversing assembly includes a first reversing roller 564 and a second reversing roller 565 , both of which are rotatably installed on the outside of the washing tank 101 , and the external adhesive conveyor belt 563 bypasses the upper end surfaces of the first reversing roller 564 and the second reversing roller 565 .

[0025] The external adhesive conveyor belt 563 includes a conveyor belt body 5631 and an adhesive layer 5632. The conveyor belt body 5631 is driven and installed between the first conveyor roller 561 and the second conveyor roller 562. The adhesive layer 5632 is detachably installed on the outer surface of the conveyor belt body 5631. The detachable connection between the conveyor belt body 5631 and the adhesive layer 5632 facilitates the replacement of the adhesive layer 5632.

[0026] Among them, a scraping brush 102 in contact with the surface of the external adhesive conveyor belt 563 is installed at the inner bottom end of the washing tank 101. The scraping brush 102 can scrape off impurities such as floating hair adhered to the surface of the external adhesive conveyor belt 563 to ensure that the external adhesive conveyor belt 563 has a stable cleaning effect on the non-woven fabric.

[0027] The upper end of the washing tank 101 is provided with a water absorbing block 103 in contact with the surface of the external adhesive conveyor belt 563 , and a heating plate 104 is provided inside the water absorbing block 103 .

[0028] The water absorbing block 103 can absorb the water stains left on the surface of the external adhesive conveyor belt 563 after washing. The heating plate 104 is The water absorbing block 103 is heated to quickly evaporate the water absorbed by the water absorbing block 103. It is ensured that the water absorbing block 103 stably absorbs the water stains left on the surface of the external adhesive conveyor belt 563, thereby ensuring the stable cleaning effect of the external adhesive conveyor belt 563 on the non-woven fabric.

[0029] In addition, this The water absorbing block 103 may also be provided in plurality, alternately The outer adhesive conveyor belt 563 is used to absorb water. In addition, the water absorption block 103 can also be replaced with a water absorption pipe structure connected to a suction pump to absorb water stains left on the surface of the outer adhesive conveyor belt 563. 。

[0030] Furthermore, a scraper 105 is provided on the lower side of the water absorbent block 103. The scraper 105 is installed on the inner wall of the washing tank 101, is above the water surface, and contacts the surface of the external adhesive conveyor belt 563. The scraper 105 can scrape off the water stains left on the surface of the external adhesive conveyor belt 563 before the water absorbent block 103, thereby reducing the water absorption burden of the water absorbent block 103.

[0031] It should be further explained that the wiper blade 105 can be arranged on the side close to the adhesion layer 5632, and can also be arranged as a clamping structure to clamp the external adhesive conveyor belt 563 in the gap of the wiper blade 105 (not shown in the figure). The wiper blade 105 can be provided with a roller structure on the side close to the conveyor belt body 5631 to reduce friction, and the wiper blade 105 can be provided with a wiping structure on the side close to the adhesion layer 5632. The clamping structure formed by the wiper blade 105 can increase the contact pressure between the wiper blade 105 and the adhesion layer 5632, thereby improving the wiping effect.

[0032] As a further supplement to the present application, a circulating pump 106 and a filtering device 1010 connected by a pipeline are installed at the bottom end of the washing tank 101. The filtering device 1010 is installed at the input end of the circulating pump 106. An outlet pipe 107 is installed between the filtering device 1010 and one side of the washing tank 101. A return pipe 108 is installed between the output end of the circulating pump 106 and the other side of the washing tank 101. A dispersion pipe 109 is installed at the end of the return pipe 108 located on the inner side of the washing tank 101.

[0033] Based on the coordinated arrangement of the above structure, the circulation pump 106 allows the cleaning liquid in the washing tank 101 to circulate, so that impurities such as floating hair dispersed in the cleaning liquid are concentrated and collected in the filtering device 1010, thereby preventing impurities such as floating hair in the cleaning liquid from excessively adhering to the surface of the external adhesive conveyor belt 563 and affecting the cleaning effect on the non-woven fabric.

[0034] The detection mechanism includes a primary inspection mechanism 3 and a re-inspection mechanism 4. The primary inspection mechanism 3 is located between the unwinding roller 1 and the cleaning mechanism, and the re-inspection mechanism 4 is located between the cleaning mechanism and the winding roller 2. The primary inspection mechanism 3 and the re-inspection mechanism 4 respectively include a first image collector 31 and a second image collector 41.

[0035] The online continuous detection device for spunlace nonwoven fabrics can compare the nonwoven fabrics before and after cleaning by respectively arranging a primary inspection mechanism 3 and a re-inspection mechanism 4 before and after the cleaning mechanism, thereby greatly improving the detection accuracy. At the same time, it can intelligently determine the adhesion effect of the external adhesive conveyor belt 563 on impurities such as floating hair on the nonwoven fabric, so as to facilitate timely replacement of the external adhesive conveyor belt 563.

[0036] Among them, the initial inspection mechanism 3 also includes a dust suction device 32, which is located on the side of the first image collector 31 away from the unwinding roller 1, a first cloth guide roller 8 is arranged between the unwinding roller 1 and the initial inspection mechanism 3, and a second cloth guide roller 9 is arranged between the re-inspection mechanism 4 and the winding roller 2.

[0037] By arranging the dust suction device 32 before the cleaning mechanism, impurities such as floating hair on the surface of the non-woven fabric can be initially sucked out, thereby reducing the cleaning burden of the cleaning mechanism.

[0038] Working principle: The non-woven fabric to be tested is wound on the unwinding roller 1, and then the non-woven fabric passes through the first fabric guide roller 8, the initial inspection mechanism 3, the lower cleaning mechanism, the upper cleaning mechanism, the re-inspection mechanism 4 and the second fabric guide roller 9 in sequence, and finally wound on the winding roller 2 to start the inspection; During the detection, firstly, the first image collector 31 is used to collect images of the surface of the non-woven fabric, and the dust collecting device 32 is used to preliminarily remove impurities such as floating hair on the surface of the non-woven fabric; Then, the first conveying roller 561 cooperates with the second conveying roller 562 to make the external adhesive conveyor belt 563 continuously drive, so as to stably remove the impurities such as floating hair on the surface of the non-woven fabric, and one end of the external adhesive conveyor belt 563 is immersed in the washing tank 101, and the cleaning liquid in the washing tank 101 is used to wash away the impurities such as floating hair adhering to the surface of the external adhesive conveyor belt 563, and the scraping brush 102 provided in the washing tank 101 scrapes away the impurities such as floating hair adhering to the surface of the external adhesive conveyor belt 563; The water stains remaining on the surface of the external adhesive conveyor belt 563 after washing are absorbed by the water absorption block 103, and the heating plate 104 heats the water absorption block 103 to quickly evaporate the water absorbed by the water absorption block 103, thereby ensuring that the water absorption block 103 can stably absorb the water stains remaining on the surface of the external adhesive conveyor belt 563. The water scraper 105 provided at the lower side of the water absorption block 103 can scrape and absorb the water stains remaining on the surface of the external adhesive conveyor belt 563 before the water absorption block 103. At the same time, the circulation pump 106 allows the cleaning liquid in the washing tank 101 to circulate, so that impurities such as floating hair dispersed in the cleaning liquid are concentrated and collected in the filtering device 1010, thereby preventing impurities such as floating hair in the cleaning liquid from excessively adhering to the surface of the external adhesive conveyor belt 563. Finally, the second image collector 41 is used to capture images of the surface of the non-woven fabric again. By respectively setting the initial inspection mechanism 3 and the re-inspection mechanism 4 before and after the cleaning mechanism, the non-woven fabric can be compared before and after cleaning, which greatly improves the accuracy of detection. At the same time, the adhesion effect of the external adhesive conveyor belt 563 on impurities such as floating hair on the non-woven fabric can be intelligently judged to facilitate timely replacement of the external adhesive conveyor belt 563.

[0039] Second implementation method: This embodiment is based on the embodiment 1, and the following structures are added: Figure 7 and Figure 8 As shown, the upper cleaning member 5 and the lower cleaning member 6 also include a widening roller 566, which is rotatably installed on the outer side of the washing tank 101, and the widening roller 566 and the second conveying roller 562 are located on the same horizontal plane, and the external adhesive conveyor belt 563 bypasses the widening roller 566; the widening roller 566 can increase the contact area between the external adhesive conveyor belt 563 and the non-woven fabric. In addition, the widening rollers 566 and the second conveying roller 562 of the upper cleaning member 5 and the lower cleaning member 6 can be crossed or arranged relative to each other, so as to increase the pressure between the upper and lower external adhesive conveyor belts 563 and the non-woven fabric, increase the contact strength, and thus improve the effect of removing impurities such as floating hair.

[0040] In view of current practical needs, the above-mentioned implementation mode adopted in this application is not limited to the scope of protection. Various changes made within the knowledge scope of technical personnel in this field without departing from the concept of this application still fall within the scope of protection of the present invention.

Claims

1. An online continuous detection device for spunlace nonwoven fabrics, comprising an unwinding roller (1), a winding roller (2), and a detection mechanism and a cleaning mechanism arranged between the unwinding roller (1) and the winding roller (2), characterized in that: The cleaning mechanism comprises an upper cleaning mechanism and a lower cleaning mechanism, the upper cleaning mechanism comprises an upper cleaning member (5), the lower cleaning mechanism comprises a lower cleaning member (6), the upper cleaning member (5) and the lower cleaning member (6) both comprise a first conveying roller (561), a second conveying roller (562) and an external adhesive conveyor belt (563), the external adhesive conveyor belt (563) being transmission-connected between the first conveying roller (561) and the second conveying roller (562); The upper cleaning mechanism and the lower cleaning mechanism both further comprise a water washing mechanism (10), the water washing mechanism (10) comprising a water washing tank (101), the inner side of the water washing tank (101) containing cleaning liquid, the first conveying roller (561) being rotatably mounted on the inner side of the water washing tank (101), and a driving motor (7) for driving the first conveying roller (561) to rotate being mounted on the side end of the water washing tank (101); The second conveying roller (562) is rotatably mounted on the outer side of the washing tank (101); the second conveying roller (562) in the upper cleaning member (5) is in contact with the upper surface of the non-woven fabric; the second conveying roller (562) in the lower cleaning member (6) is in contact with the lower surface of the non-woven fabric; the upper cleaning member (5) further comprises a reversing assembly, and the reversing assembly is mounted between the first conveying roller (561) and the second conveying roller (562); The detection mechanism comprises a primary inspection mechanism (3) and a re-inspection mechanism (4); the primary inspection mechanism (3) is located between the unwinding roller (1) and the cleaning mechanism, and the re-inspection mechanism (4) is located between the cleaning mechanism and the winding roller (2); the primary inspection mechanism (3) and the re-inspection mechanism (4) respectively comprise a first image collector (31) and a second image collector (41).

2. The online continuous detection device for spunlace nonwoven fabric according to claim 1, characterized in that: The reversing assembly comprises a first reversing roller (564) and a second reversing roller (565); The first reversing roller (564) and the second reversing roller (565) are both rotatably mounted on the outside of the washing tank (101), and the external adhesive conveyor belt (563) passes around the upper end surfaces of the first reversing roller (564) and the second reversing roller (565).

3. The online continuous detection device for spunlace nonwoven fabric according to claim 2, characterized in that: The upper cleaning member (5) and the lower cleaning member (6) both further include a widening roller (566), wherein the widening roller (566) is rotatably mounted on the outside of the washing tank (101), and the widening roller (566) and the second conveying roller (562) are located on the same horizontal plane, and the external adhesive conveyor belt (563) bypasses the widening roller (566).

4. The online continuous detection device for spunlace nonwoven fabric according to claim 1, characterized in that: The external adhesive conveyor belt (563) comprises a conveyor belt body (5631) and an adhesive layer (5632); the conveyor belt body (5631) is drivingly installed between the first conveyor roller (561) and the second conveyor roller (562); and the adhesive layer (5632) is detachably installed on the outer surface of the conveyor belt body (5631).

5. The online continuous detection device for spunlace nonwoven fabric according to claim 1, characterized in that: A scraping brush (102) is installed at the inner bottom end of the water washing tank (101) and is in contact with the surface of the external adhesive conveyor belt (563).

6. The online continuous detection device for spunlace nonwoven fabric according to claim 5, characterized in that: A water absorbing block (103) in contact with the surface of the external adhesive conveyor belt (563) is installed at the upper end of the water washing tank (101), and a heating plate (104) is installed on the inner side of the water absorbing block (103).

7. The online continuous detection device for spunlace nonwoven fabric according to claim 6, characterized in that: A water scraper (105) is provided on the lower side of the water absorbing block (103); the water scraper (105) is installed on the inner wall of the water washing tank (101) and is in contact with the surface of the externally adhesive conveyor belt (563).

8. The online continuous detection device for spunlace nonwoven fabric according to claim 7, characterized in that: A circulating pump (106) and a filtering device (1010) connected via a pipeline are installed at the bottom end of the washing tank (101); The filtering device (1010) is installed at the input end of the circulating pump (106); a water outlet pipe (107) is installed between the filtering device (1010) and one side of the water washing tank (101); a water return pipe (108) is installed between the output end of the circulating pump (106) and the other side of the water washing tank (101); and a dispersion pipe (109) is installed at the end of the water return pipe (108) located inside the water washing tank (101).

9. The online continuous detection device for spunlace nonwoven fabric according to claim 1, characterized in that: The initial inspection mechanism (3) further comprises a dust suction device (32), wherein the dust suction device (32) is located on a side of the first image collector (31) away from the unwinding roller (1).

10. The online continuous detection device for spunlace nonwoven fabric according to claim 1, characterized in that: A first cloth guide roller (8) is arranged between the unwinding roller (1) and the primary inspection mechanism (3), and a second cloth guide roller (9) is arranged between the re-inspection mechanism (4) and the winding roller (2).

Images