Defect detection device for self-adhesive plastic sheet

Abstract

The utility model relates to the technical field of plastic sheet detection equipment, in particular to a self-adhesive plastic sheet defect detection device, which is used for detecting the thickness and the surface quality of a plastic sheet and improving the quality of a finished product by arranging a detection device, and is convenient for simultaneously detecting and sorting various different plastic sheets by arranging a discharging device, so that the detection efficiency is improved. The machine efficiency is improved; comprising a body; the conveying device, the detecting device, the multiple discharging devices, the wetting device and the multiple collecting devices are all installed on the machine body; the machine body provides support, the conveying device conveys plastic sheets, the detection device detects the plastic sheets, the discharging device discharges different plastic sheets, the wetting device wets the conveying device, and the collecting device collects the plastic sheets.

Description

Technical Field

[0001] This utility model relates to the technical field of plastic sheet testing equipment, and in particular to a defect detection device for self-adhesive plastic sheets. Background Technology

[0002] Self-adhesive plastic sheets are plastic sheets coated with adhesive on one or both sides. They are often used to connect and fix lighter objects. To ensure the performance of self-adhesive plastic sheets, they need to be tested during production.

[0003] Existing plastic sheet testing equipment, such as the Chinese utility model patent CN221387504U (a plastic sheet material sorting device), represents a class of prior art. Its main structure includes a first recycling bin, a second recycling bin, a conveyor belt, an air jet head, and a material detector. The first and second recycling bins store plastic sheets of different materials respectively, the conveyor belt transports the plastic sheets, and the air jet head and material detector work together to detect and sort the plastic sheets.

[0004] However, the existing technology and equipment still have the following problems when in use: the existing machines cannot detect the quality of plastic sheets, resulting in poor quality of finished products, and the existing machines cannot detect and sort multiple plastic sheets at the same time, resulting in low machine efficiency. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a self-adhesive plastic sheet defect detection device that improves the quality of finished products by setting up a detection device to detect the thickness and surface quality of plastic sheets, and improves machine efficiency by setting up a discharge device to facilitate the simultaneous detection and sorting of multiple different plastic sheets.

[0006] This utility model discloses a defect detection device for self-adhesive plastic sheets, comprising a machine body; it also includes a conveying device, a detection device, multiple discharge devices, a wetting device, and multiple collection devices, all of which are mounted on the machine body. The machine body provides support, the conveying device transports the plastic sheets, the detection device detects the plastic sheets, the discharge devices discharge different types of plastic sheets separately, the wetting device wets the conveying device, and the collection devices collect the plastic sheets.

[0007] Preferably, the body includes multiple support bases, a base plate, two brackets (one and two), multiple brackets (three and four), and a bracket (four). The base plate is mounted on the top of the multiple support bases. Both brackets (one) are mounted on the top of the base plate. Both brackets (two and four) are mounted on the top of the two brackets (one). The top of bracket (two) is provided with mounting holes and multiple through holes. The rear end of bracket (two) is provided with two mounting platforms. The top of bracket (four) is provided with a water inlet hole. The inner side of bracket (four) is provided with a drain hole. The water inlet hole and the drain hole are connected inside bracket (four). Multiple brackets (three) are staggered and installed at the left and right ends of the two brackets (one) respectively, providing support.

[0008] Preferably, the conveying device includes multiple rotating shafts, a conveyor belt, a reducer, and a motor. The multiple rotating shafts are rotatably mounted on two supports. The conveyor belt is mounted on the multiple rotating shafts. The reducer is fixedly mounted on one side of a support and is rotatably connected to a rotating shaft through the support. The motor is fixedly mounted on one side of the reducer and provides power to a rotating shaft connected to it through the reducer. The motor provides power to drive the rotating shaft to rotate, thereby driving the conveyor belt to transport the plastic sheet.

[0009] Preferably, the detection device includes two detection cameras, a bracket five, a linear displacement sensor, a push rod, multiple guide rods, a spring, a bracket six, and a pressure roller. The two detection cameras are respectively installed at the bottom of the two mounting platforms of the bracket two. The bracket five is installed at the top of the bracket two. The linear displacement sensor is installed on the bracket five. The push rod is slidably installed in the mounting hole of the bracket two and is connected to the linear displacement sensor. The multiple guide rods are respectively slidably installed in multiple through holes of the bracket two. One end of the spring is installed at the top of the bracket two, and the other end of the spring is installed at the top of the push rod. The bracket six is ​​installed at the bottom of the push rod and the multiple guide rods. The pressure roller is rotatably installed at the bottom of the bracket six. The detection cameras visually detect the surface quality of the plastic sheet. The spring, through its own elasticity, causes the push rod to push the pressure roller to constantly press the plastic sheet. The linear displacement sensor measures the linear displacement of the push rod, thereby detecting the thickness of the plastic sheet.

[0010] Preferably, the discharge device includes a cylinder and a push plate. The cylinder is installed at the top of the support frame, and the push plate is installed on the side of the cylinder near the conveyor belt. The multiple discharge devices are respectively installed at the top of the multiple support frames. The cylinder provides power to drive the push plate to move left and right to push the plastic sheet away from the machine.

[0011] Preferably, the wetting device includes a water tank, a tank cover, a first pipe, a gear pump, a second reducer, a second motor, and a sponge roller. The water tank is installed at the top of the fourth bracket, and the tank cover is screwed on the top of the water tank. One end of the first pipe is installed on the side of the water tank. The gear pump is fixedly installed at the top of the water inlet of the fourth bracket, and the other end of the first pipe is installed at the top of the gear pump. The second reducer is fixedly installed on the side of the gear pump, and the second motor is fixedly installed on the side of the second reducer. The second motor provides power to the gear pump through the second reducer. The second pipe is rotatably installed at the drain hole of the fourth bracket, and multiple drain holes are provided on the side of the second pipe. The sponge roller is fitted onto the second pipe. The water tank holds water, and the second motor provides power to pump the water from the water tank into the second pipe. The sponge roller absorbs the water inside the second pipe and applies it to the surface of the conveyor belt. Wetting the conveyor belt can reduce the static electricity carried by the plastic sheet and prevent the plastic sheet from adhering to the surface of the conveyor belt.

[0012] Preferably, the collection device includes a bracket seven, a rubber pad, a bracket eight, a collection box, a vibration motor, a hinge, and a copper busbar. The bracket seven is fixedly installed on a bracket one and is located on opposite sides of a bracket three. The vertical centers of the bracket seven and the bracket three are aligned with each other. The rubber pad is installed on the top of the bracket seven, and the bracket eight is installed on the top of the rubber pad. The collection box is slidably installed on the bracket eight. The vibration motor and the hinge are both fixedly installed on the side of the bracket eight. One end of the copper busbar is rotatably installed on the hinge, and the other end of the copper busbar is in contact with the ground. The multiple collection devices are respectively installed on opposite sides of multiple bracket threes. The collection box holds the plastic sheets, and the vibration motor provides vibration to make the plastic sheets neatly distributed inside the collection box for easy retrieval. The copper busbar reduces the static electricity carried by the collection box and the plastic sheets inside it, reduces the adhesion between the plastic sheets, and improves the neatness of the plastic sheets inside the collection box.

[0013] Compared with the prior art, the advantages of this utility model are: by detecting the thickness and surface quality of the plastic sheet, the quality of the finished product can be improved; and multiple different plastic sheets can be detected and sorted at the same time, resulting in high machine efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the isometric structure of this utility model;

[0015] Figure 2 This is an isometric structural diagram of the fuselage;

[0016] Figure 3 This is a schematic diagram of the isometric cross-sectional structure of the transport device;

[0017] Figure 4 This is a schematic diagram of the isometric structure of the detection device;

[0018] Figure 5 This is an isometric structural diagram of the discharge device;

[0019] Figure 6 This is an isometric structural diagram of the wetting device;

[0020] Figure 7 This is an isometric structural diagram of the collecting device.

[0021] In the attached diagram, the following are marked: 01. Body; 11. Support base; 12. Base plate; 13. Bracket 1; 14. Bracket 2; 15. Bracket 3; 16. Bracket 4; 02. Conveying device; 21. Rotating shaft; 22. Conveyor belt; 23. Reducer 1; 24. Motor 1; 03. Detection device; 31. Detection camera; 32. Bracket 5; 33. Linear displacement sensor; 34. Push rod; 35. Guide rod; 36. Spring; 37. Bracket 6 38. Pressure roller; 04. Discharge device; 41. Cylinder; 42. Push plate; 05. Wetting device; 51. Water tank; 52. Tank cover; 53. Pipeline 1; 54. Gear pump; 55. Reducer 2; 56. Motor 2; 57. Pipeline 2; 58. Sponge roller; 06. Collection device; 61. Support 7; 62. Rubber pad; 63. Support 8; 64. Collection box; 65. Vibration motor; 66. Hinge; 67. Copper busbar. Detailed Implementation

[0022] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example 1

[0023] like Figure 1 As shown, the device includes a machine body 01; it also includes a conveying device 02, a detection device 03, multiple discharge devices 04, a wetting device 05, and multiple collection devices 06. The conveying device 02, detection device 03, multiple discharge devices 04, wetting device 05, and multiple collection devices 06 are all mounted on the machine body 01. The machine body 01 provides support, the conveying device 02 conveys the plastic sheets, the detection device 03 detects the plastic sheets, the discharge devices 04 discharge different plastic sheets respectively, the wetting device 05 wets the conveying device 02, and the collection devices 06 collect the plastic sheets.

[0024] like Figure 2As shown, the body 01 includes multiple support bases 11, a base plate 12, two brackets 13, bracket 2 14, multiple brackets 3 15, and bracket 4 16. The base plate 12 is installed on the top of the multiple support bases 11. Both brackets 13 are installed on the top of the base plate 12. Both brackets 2 14 and bracket 4 16 are installed on the top of the two brackets 13. The top of bracket 2 14 is provided with mounting holes and multiple through holes. The rear end of bracket 2 14 is provided with two mounting platforms. The top of bracket 4 16 is provided with a water inlet hole. The inner side of bracket 4 16 is provided with a drain hole. The water inlet hole and the drain hole are connected inside bracket 4 16. Multiple brackets 3 15 are installed alternately on the left and right ends of the two brackets 13.

[0025] like Figure 3 As shown, the conveying device 02 includes multiple rotating shafts 21, a conveyor belt 22, a reducer 23, and a motor 24. The multiple rotating shafts 21 are rotatably mounted on two supports 13. The conveyor belt 22 is mounted on the multiple rotating shafts 21. The reducer 23 is fixedly mounted on the side of one support 13 and is rotatably connected to one of the rotating shafts 21 through this support 13. The motor 24 is fixedly mounted on the side of the reducer 23 and provides power to one of the rotating shafts 21 connected to it through the reducer 23.

[0026] like Figure 4 As shown, the detection device 03 includes two detection cameras 31, bracket 5 32, linear displacement sensor 33, push rod 34, multiple guide rods 35, spring 36, bracket 6 37, and pressure roller 38. The two detection cameras 31 are respectively installed at the bottom of the two mounting platforms of bracket 2 14, bracket 5 32 is installed at the top of bracket 2 14, linear displacement sensor 33 is installed on bracket 5 32, push rod 34 is slidably installed in the mounting hole of bracket 2 14, and push rod 34 is connected to linear displacement sensor 33, multiple guide rods 35 are respectively slidably installed in multiple through holes of bracket 2 14, one end of spring 36 is installed at the top of bracket 2 14, and the other end of spring 36 is installed at the top of push rod 34, bracket 6 37 is installed at the bottom of push rod 34 and multiple guide rods 35, and pressure roller 38 is rotatably installed at the bottom of bracket 6 37.

[0027] like Figure 5 As shown, the discharge device 04 includes a cylinder 41 and a push plate 42. The cylinder 41 is installed at the top of the support 15, and the push plate 42 is installed on the side of the cylinder 41 near the conveyor belt 22. The multiple discharge devices 04 are respectively installed at the top of multiple supports 15.

[0028] like Figure 6As shown, the wetting device 05 includes a water tank 51, a tank cover 52, a first pipe 53, a gear pump 54, a second reducer 55, a second motor 56, a second pipe 57, and a sponge roller 58. The water tank 51 is installed at the top of the support 16, the tank cover 52 is screwed on the top of the water tank 51, one end of the first pipe 53 is installed on the side of the water tank 51, the gear pump 54 is fixedly installed at the top of the water inlet of the support 16, the other end of the first pipe 53 is installed at the top of the gear pump 54, the second reducer 55 is fixedly installed on the side of the gear pump 54, the second motor 56 is fixedly installed on the side of the second reducer 55, and the second motor 56 provides power to the gear pump 54 through the second reducer 55, the second pipe 57 is rotatably installed at the drain hole of the support 16, and multiple leakage holes are provided on the side of the second pipe 57, and the sponge roller 58 is fitted on the second pipe 57.

[0029] First, the plastic sheet is placed on the conveyor belt 22. Then, motors 24 and 56 are turned on. Motor 24 provides power to drive the rotating shaft 21 to rotate and move the conveyor belt 22 to transport the plastic sheet. Motor 56 provides power to pump water from the water tank 51 into the pipe 57. The sponge roller 58 absorbs the water from the pipe 57 and applies it to the surface of the conveyor belt 22. The wet conveyor belt 22 reduces the static electricity carried by the plastic sheet and prevents the plastic sheet from adhering to the surface of the conveyor belt 22. Then, the detection camera 31 is turned on to visually inspect the surface quality of the plastic sheet. The spring 36 uses its own elasticity to push the push rod 34 to push the pressure roller 38 to press the plastic sheet tightly. The linear displacement sensor 33 measures the linear displacement of the push rod 34 to detect the thickness of the plastic sheet. Then, the cylinder 41 is turned on to provide power and drive the push plate 42 to move left and right to push the plastic sheet away from the machine. Example 2

[0030] In addition to Example 1, it also includes:

[0031] like Figure 7 As shown, the collection device 06 includes a bracket 7 61, a rubber pad 62, a bracket 8 63, a collection box 64, a vibration motor 65, a hinge 66, and a copper busbar 67. The bracket 7 61 is fixedly installed on a bracket 1 13 and is located on the opposite side of a bracket 3 15. The vertical centers of the bracket 7 61 and the bracket 3 15 are aligned with each other. The rubber pad 62 is installed on the top of the bracket 7 61, the bracket 8 63 is installed on the top of the rubber pad 62, the collection box 64 is slidably installed on the bracket 8 63, the vibration motor 65 and the hinge 66 are both fixedly installed on the side of the bracket 8 63, one end of the copper busbar 67 is rotatably installed on the hinge 66, and the other end of the copper busbar 67 is kept in contact with the ground. The multiple collection devices 06 are respectively installed on the opposite sides of multiple brackets 3 15.

[0032] First, the plastic sheet is placed on the conveyor belt 22. Then, motors 24 and 56 are turned on. Motor 24 provides power to drive the rotating shaft 21 to rotate and move the conveyor belt 22 to transport the plastic sheet. Motor 56 provides power to pump water from the water tank 51 into the pipe 57. The sponge roller 58 absorbs the water from the pipe 57 and applies it to the surface of the conveyor belt 22. The wet conveyor belt 22 reduces the static electricity carried by the plastic sheet, preventing the plastic sheet from adhering to the surface of the conveyor belt 22. Then, the inspection camera 31 is turned on. The inspection camera 31 visually inspects the surface quality of the plastic sheet. Spring 36 uses its own elasticity to push the rod. The pressure roller 38 is pushed by the 34th pusher to press the plastic sheet tightly. The linear displacement sensor 33 measures the linear displacement of the pusher 34 to detect the thickness of the plastic sheet. Then, the cylinder 41 is opened to provide power and drive the pusher plate 42 to move left and right to push the plastic sheet into the collection box 64. The collection box 64 holds the plastic sheet. Then, the vibration motor 65 is turned on to provide vibration, so that the plastic sheet is neatly distributed inside the collection box 64 for easy subsequent use. The copper busbar 67 reduces the static electricity carried by the collection box 64 and the plastic sheet inside it, reduces the adhesion between the plastic sheets, and improves the neatness of the plastic sheet inside the collection box 64.

[0033] like Figures 1 to 7 As shown, this utility model discloses a defect detection device for self-adhesive plastic sheets. During operation, the plastic sheet is first placed on the conveyor belt 22. Then, motors 24 and 56 are turned on. Motor 24 provides power to drive the rotating shaft 21, which in turn rotates the conveyor belt 22 to transport the plastic sheet. Motor 56 provides power to pump water from the water tank 51 into the pipe 57. The sponge roller 58 absorbs the water from the pipe 57 and applies it to the surface of the conveyor belt 22. The moistened conveyor belt 22 reduces static electricity carried by the plastic sheet, preventing it from adhering to the surface. Afterward, the detection camera 31 is turned on, and the camera visually inspects the surface quality of the plastic sheet. The spring 36 uses its own elasticity to push the push rod 34 to push the pressure roller 38 to press the plastic sheet tightly. The linear displacement sensor 33 measures the linear displacement of the push rod 34 to detect the thickness of the plastic sheet. Then, the cylinder 41 is turned on to provide power and drive the push plate 42 to move left and right to push the plastic sheet into the collection box 64. The collection box 64 holds the plastic sheet. Then, the vibration motor 65 is turned on to provide vibration, so that the plastic sheet is neatly distributed inside the collection box 64 for easy subsequent use. The copper busbar 67 reduces the static electricity carried by the collection box 64 and the plastic sheet inside it, reduces the adhesion between the plastic sheets, and improves the neatness of the plastic sheet inside the collection box 64.

[0034] The motor 24, two detection cameras 31, linear displacement sensor 33, spring 36, multiple cylinders 41, gear pump 54, motor 56, multiple rubber pads 62, and multiple vibration motors 65 of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0035] The main functions achieved by this utility model are: by setting up a detection device 03, the thickness and surface quality of the plastic sheet are detected, thereby improving the quality of the finished product; and by setting up a discharge device 04, it is convenient to simultaneously detect and sort multiple different plastic sheets, thereby improving machine efficiency. This solves the existing technical problems that existing machines cannot detect the quality of plastic sheets, resulting in poor finished product quality, and that existing machines cannot simultaneously detect and sort multiple plastic sheets, resulting in low machine efficiency.

[0036] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A defect detection device for self-adhesive plastic sheets, comprising a body (01); characterized in that, It also includes a conveying device (02), a detection device (03), multiple discharge devices (04), a wetting device (05), and multiple collection devices (06). The conveying device (02), the detection device (03), the multiple discharge devices (04), the wetting device (05), and the multiple collection devices (06) are all installed on the machine body (01). The machine body (01) provides support. The conveying device (02) conveys the plastic sheet. The detection device (03) detects the plastic sheet. The discharge device (04) discharges different plastic sheets respectively. The wetting device (05) wets the conveying device (02). The collection device (06) collects the plastic sheet.

2. The self-adhesive plastic sheet defect detection device as described in claim 1, characterized in that, The body (01) includes multiple support bases (11), a base plate (12), two brackets (13), two brackets (14), multiple brackets (15) and four brackets (16). The base plate (12) is installed on the top of the multiple support bases (11). The two brackets (13) are installed on the top of the base plate (12). The brackets (14) and four brackets (16) are installed on the top of the two brackets (13). The top of the bracket (14) is provided with mounting holes and multiple through holes. The rear end of the bracket (14) is provided with two mounting platforms. The top of the bracket (16) is provided with a water inlet hole. The inner side of the bracket (16) is provided with a drain hole. The water inlet hole and the drain hole are connected inside the bracket (16). The multiple brackets (15) are installed alternately on the left and right ends of the two brackets (13).

3. The self-adhesive plastic sheet defect detection device as described in claim 2, characterized in that, The conveying device (02) includes multiple rotating shafts (21), a conveyor belt (22), a reducer (23) and a motor (24). The multiple rotating shafts (21) are rotatably mounted on two supports (13). The conveyor belt (22) is mounted on the multiple rotating shafts (21). The reducer (23) is fixedly mounted on the side of a support (13) and is rotatably connected between the support (13) and a rotating shaft (21). The motor (24) is fixedly mounted on the side of the reducer (23) and provides power to a rotating shaft (21) connected to it through the reducer (23).

4. The self-adhesive plastic sheet defect detection device as described in claim 2, characterized in that, The detection device (03) includes two detection cameras (31), bracket five (32), linear displacement sensor (33), push rod (34), multiple guide rods (35), spring (36), bracket six (37), and pressure roller (38). The two detection cameras (31) are respectively installed at the bottom of the two mounting platforms of bracket two (14). Bracket five (32) is installed at the top of bracket two (14). Linear displacement sensor (33) is installed on bracket five (32). Push rod (34) is slidably installed in the mounting hole of bracket two (14) and connected to linear displacement sensor (33). Multiple guide rods (35) are respectively slidably installed in multiple through holes of bracket two (14). One end of spring (36) is installed at the top of bracket two (14) and the other end of spring (36) is installed at the top of push rod (34). Bracket six (37) is installed at the bottom of push rod (34) and multiple guide rods (35). Pressure roller (38) is rotatably installed at the bottom of bracket six (37).

5. The self-adhesive plastic sheet defect detection device as described in claim 2, characterized in that, The discharge device (04) includes a cylinder (41) and a push plate (42). The cylinder (41) is installed at the top of the support three (15), and the push plate (42) is installed on the side of the cylinder (41) near the conveyor belt (22). The multiple discharge devices (04) are respectively installed at the top of multiple support three (15).

6. The self-adhesive plastic sheet defect detection device as described in claim 2, characterized in that, The wetting device (05) includes a water tank (51), a tank cover (52), a first pipe (53), a gear pump (54), a second reducer (55), a second motor (56), a second pipe (57), and a sponge roller (58). The water tank (51) is installed on the top of the fourth bracket (16), the tank cover (52) is screwed on the top of the water tank (51), one end of the first pipe (53) is installed on the side of the water tank (51), and the gear pump (54) is fixedly installed on the top of the water inlet of the fourth bracket (16). The other end of pipe 1 (53) is installed on the top of gear pump (54), reducer 2 (55) is fixedly installed on the side of gear pump (54), motor 2 (56) is fixedly installed on the side of reducer 2 (55), and motor 2 (56) provides power to gear pump (54) through reducer 2 (55). Pipe 2 (57) is rotatably installed at the drain hole of bracket 4 (16). Multiple drain holes are provided on the side of pipe 2 (57), and sponge roller (58) is fitted on pipe 2 (57).

7. The self-adhesive plastic sheet defect detection device as described in claim 2, characterized in that, The collection device (06) includes a bracket seven (61), a rubber pad (62), a bracket eight (63), a collection box (64), a vibration motor (65), a hinge (66), and a copper busbar (67). The bracket seven (61) is fixedly installed on a bracket one (13) and is located on the opposite side of a bracket three (15). The vertical centers of the bracket seven (61) and the bracket three (15) are aligned with each other. The rubber pad (62) is installed on the top of the bracket seven (61), the bracket eight (63) is installed on the top of the rubber pad (62), the collection box (64) is slidably installed on the bracket eight (63), the vibration motor (65) and the hinge (66) are both fixedly installed on the side of the bracket eight (63), one end of the copper busbar (67) is rotatably installed on the hinge (66), and the other end of the copper busbar (67) is in contact with the ground. The multiple collection devices (06) are respectively installed on the opposite side of multiple bracket three (15).

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