Device and method for accurately positioning calendering defect position of photovoltaic glass

By using a precise positioning device for defects in photovoltaic glass rolling, and by combining an infrared transmitter and a PLC control system, the problem of accurately locating defects on the upper roller has been solved, thereby improving positioning efficiency and product quality.

CN121948811APending Publication Date: 2026-05-01JIANGXI CAIHONG PHOTOVOLTAIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGXI CAIHONG PHOTOVOLTAIC CO LTD
Filing Date
2024-03-07
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

In existing technologies, it is difficult to accurately locate defects on the surface of the upper roller of a photovoltaic glass calender, resulting in problems such as long response time, high product waste, and high work intensity.

Method used

A device for accurately locating defects in photovoltaic glass rolling is designed, including a positioning device body, a ruler, a lifting platform, a PLC control system, and an infrared transmitter. The infrared transmitter is accurately positioned by the cooperation of a slider and a slide rail, and the PLC control system enables automatic adjustment.

Benefits of technology

It enables rapid and accurate determination of the location of defects on the upper roller, improves the efficiency of countermeasures, reduces product scrap and workload, and enhances positioning accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a photovoltaic glass calendering defect position accurate positioning device and method.The photovoltaic glass calendering defect position accurate positioning device comprises an upper roller, a positioning device body and a ruler arranged on the positioning device body, the positioning device body is arranged beside the upper roller, and the positioning device body comprises a first movable base and a first lifting table top arranged on the first movable base; movable universal wheels are arranged at the bottom of the first movable base, a first lifting component is arranged between the first lifting table top and the first movable base and comprises a first lifting motor, a second lifting motor and a third lifting motor, and a first butt joint groove, a second butt joint groove and a third butt joint groove are formed in the bottom of the first lifting table top; and the ends of the first lifting motor, the second lifting motor and the third lifting motor are detachably connected with the first butt joint groove, the second butt joint groove and the third butt joint groove, and a first detachable support is arranged on the first lifting table top. The device has the beneficial effects that the accurate positioning of the position of the photovoltaic glass calendering defect is improved, and the convenient movement of the infrared emitter is improved.
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Description

Technical Field

[0001] This invention relates to the technical field of photovoltaic glass, and in particular to a device and method for accurately locating rolling defects in photovoltaic glass. Background Technology

[0002] The photovoltaic glass rolling mill is the core equipment in the production of photovoltaic glass. The rolling mill is equipped with an upper roller and a lower roller. The molten glass is pressed out between the upper roller and the lower roller to form a glass sheet.

[0003] During production, stones or foreign objects in the molten glass adhere to the surface of the upper roller, forming roller marks, dents, and imprints on the glass plate. Because the surface temperature of the upper roller reaches as high as 500°C and there is a thick layer of sulfides, these defects are extremely difficult to see. Methods such as measuring next to the upper roller with a wooden sword or visual measurement are usually used, but these methods are not only time-consuming but also have poor accuracy, causing great inconvenience to the countermeasures work. They have disadvantages such as long countermeasures time, a lot of product scrap, and high work intensity. Sometimes, ineffective countermeasures may also be caused by incorrect measurement of the defect location. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and to improve the accuracy of locating the rolling defects of photovoltaic glass and the convenient movement of infrared emitters by providing a device and method for accurately locating the rolling defects of photovoltaic glass.

[0005] The objective of this invention is achieved through the following technical solution: a device for accurately locating defects in photovoltaic glass rolling, comprising an upper roller, a positioning device body, and a scale disposed on the positioning device body, wherein the positioning device body is disposed next to the upper roller, and the positioning device body comprises a movable base and a lifting platform disposed on the movable base. The bottom of the movable base is provided with movable casters, and a lifting component is provided between the lifting platform and the movable base. The lifting component includes a lifting motor, a lifting motor and a lifting motor. The bottom of the lifting platform is provided with a docking groove, a docking groove and a docking groove. The ends of the lifting motors are detachably connected to the docking grooves.

[0006] In the photovoltaic glass rolling defect location precision positioning device of the present invention, the interior of the lifting platform is a cavity structure, and a detachable top plate is provided on the top of the lifting platform. The detachable top plate is provided with a first row of threaded holes and a second row of threaded holes, and both the first row of threaded holes and the second row of threaded holes are provided with several through-hole threads.

[0007] In the photovoltaic glass rolling defect precise positioning device of the present invention, the lifting platform and the movable base are equipped with a PLC control system and a sensor assembly. The lifting platform is provided with a detachable lifting adjustment bracket, which includes a vertical support rod and a vertical support rod. The middle part of the vertical support rod and the vertical support rod are provided with a plurality of fixed step grooves.

[0008] In the photovoltaic glass rolling defect precise positioning device of the present invention, a transverse placement plate is provided between two opposing fixed step grooves, and the two ends of the transverse placement plate are fixed to the fixed step groove by bolts or clips. A sliding groove is provided on the top of the transverse placement plate, and a slide rail is provided on the bottom of the sliding groove.

[0009] In the photovoltaic glass rolling defect precise positioning device of the present invention, a slider is provided on the slide rail, the slider is electrically connected to the PLC control system, the slider is provided with an infrared transmitter slot, and the side wall of the infrared transmitter slot is provided with opposing locking holes. The infrared transmitter slot is provided with a clamping clamp, and the clamping clamp is located above the infrared transmitter.

[0010] In the photovoltaic glass rolling defect precise positioning device of the present invention, the scale is set on the two side walls of the lifting platform, the detachable lifting adjustment bracket is made of 304 stainless steel, and the bottom of the vertical support rod and the vertical support rod are fixed by a triangular fixing plate.

[0011] In the photovoltaic glass rolling defect precise positioning device of the present invention, the slider is made of 304 stainless steel, the infrared emitter slot is tilted downward at an angle of 25°, and the slider can be moved manually.

[0012] A method for accurately locating defects in photovoltaic glass rolling according to the present invention includes the following steps: S11. First, based on the actual production situation, the top of the annealing kiln is selected as the observation point, and a positioning device is designed and manufactured at the entrance of the top of the annealing kiln. S12. Then, after placing the positioning device body, adjust the lifting platform and the slider on the lifting platform to adjust the infrared transmitter. At the same time, the front end of the infrared transmitter slot is an adjustment sink. S13. Turn on the infrared emitter, insert the infrared emitter into the infrared emitter slot on the slider, move the slider to the corresponding position, and the infrared light will shine on the corresponding position of the upper roller. This will quickly and accurately determine the location of the corresponding defect on the upper roller, thereby improving the efficiency of countermeasures, reducing product waste, and reducing work intensity.

[0013] The present invention has the following advantages: 1. This invention, through the design of a precise method for locating defects in calendering, effectively solves the problems of inaccurate defect location when dealing with defects such as roll scratches, dents, and marks, resulting in long processing times, high product scrap rates, and high work intensity. After implementation, this invention can quickly and accurately determine the location of the corresponding defect on the upper roll, thereby improving processing efficiency, reducing product scrap rates, and lowering work intensity.

[0014] 2. The interior of the lifting platform of the present invention is a cavity structure. The top of the lifting platform is provided with a detachable top plate. The detachable top plate is provided with a first row of threaded holes and a second row of threaded holes. Both the first row of threaded holes and the second row of threaded holes are provided with several through-hole threads.

[0015] The lifting platform and the movable base are equipped with a PLC control system and sensor components, enabling automatic or manual movement. The lifting platform has a detachable lifting and adjusting bracket, which includes a vertical support rod and a vertical support rod. The middle of the vertical support rod and the vertical support rod has several fixed step grooves, which can be adjusted to ensure free adjustment.

[0016] A transverse placement plate is provided between two opposing fixed step grooves, and both ends of the transverse placement plate are fixed to the fixed step groove by bolts or clips. A sliding groove is provided on the top of the transverse placement plate, and a slide rail is provided on the bottom of the sliding groove, so that it can be moved and handled conveniently. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the structure of the horizontally placed plate one in this invention; Figure 3 This is a schematic diagram of the infrared emitter in this invention; Figure 4 This is a schematic diagram of the structure of the lifting platform in this invention; Figure 5 This is a schematic diagram of the scale structure in this invention; Figure 6 This is a schematic diagram of the structure of the horizontally placed plate one in this invention; Figure 7 for Figure 6 A magnified view of a portion of point A in the middle.

[0018] In the diagram, the components are: 1. Upper roller; 2. Positioning device body; 3. Scale; 4. Moving base; 5. Lifting platform; 6. Lifting motor; 7. Lifting motor; 8. Connecting groove; 9. Connecting groove; 10. Connecting groove; 11. Detachable lifting adjustment bracket; 12. Detachable top plate; 13. First row of threaded holes; 14. Second row of threaded holes; 15. Through-hole thread; 16. Vertical support rod; 17. Vertical support rod; 18. Horizontal placement plate; 19. Sliding groove; 20. Slide rail; 21. Slider; 22. Infrared transmitter slot; 23. Opposing locking hole; 24. Clamping clamp; 25. Infrared transmitter; 26. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings. The scope of protection of the present invention is not limited to the following description: like Figures 1-7 As shown, a photovoltaic glass rolling defect positioning device includes an upper roller 1, a positioning device body 2 and a scale 3 set on the positioning device body 2. The positioning device body 2 is set next to the upper roller 1 and includes a movable base 4 and a lifting platform 5 set on the movable base 4. The bottom of the movable base 4 is equipped with movable casters, and a lifting component 1 is provided between the lifting platform 5 and the movable base 4. The lifting component 1 includes a lifting motor 6, a lifting motor 7, and a lifting motor 8. The bottom of the lifting platform 5 is equipped with a docking groove 9, a docking groove 10, and a docking groove 11, and the ends of the lifting motors 6, 7, and 8 are detachably connected to the docking grooves 9, 10, and 11.

[0020] The interior of the lifting platform 5 is a hollow structure. The top of the lifting platform 5 is provided with a detachable top plate 13. The detachable top plate 13 is provided with a first row of threaded holes 14 and a second row of threaded holes 15. The first row of threaded holes 14 and the second row of threaded holes 15 are provided with several through-hole threads 16, so that different through-hole threads 16 can be selected for installation according to actual needs.

[0021] The lifting platform 15 and the movable base 14 are equipped with a PLC control system and sensor components. The lifting platform 15 is equipped with a detachable lifting adjustment bracket 2 12, which includes a vertical support rod 17 and a vertical support rod 2 18. Several fixed step grooves are provided in the middle of the vertical support rod 17 and the vertical support rod 2 18.

[0022] A transverse placement plate 19 is provided between two opposing fixed step grooves, and both ends of the transverse placement plate 19 are fixed to the fixed step groove by bolts or clips. A sliding groove 20 is provided on the top of the transverse placement plate 19, and a slide rail 21 is provided on the bottom of the sliding groove 20.

[0023] The slide rail 21 is equipped with a slider 22, which is electrically connected to the PLC control system. The slider 22 is equipped with an infrared transmitter slot 23, and the side wall of the infrared transmitter slot 23 is equipped with opposing locking holes 24. The infrared transmitter slot 23 is equipped with a clamping clamp 25, which is positioned above the infrared transmitter 26.

[0024] The scale 3 is set on both sides of the lifting platform 5. The detachable lifting adjustment bracket 12 is made of 304 stainless steel. The bottoms of the vertical support rod 17 and the vertical support rod 18 are fixed by triangular fixing plates.

[0025] The slider 22 is made of 304 stainless steel, and the infrared transmitter slot 23 is tilted downward at an angle of 25°. The slider 22 can also be moved manually.

[0026] A method for accurately locating defects in photovoltaic glass rolling mills includes the following steps: S11. First, based on the actual production situation, the top of the annealing kiln is selected as the observation point, and a positioning device is designed and manufactured at the entrance of the top of the annealing kiln. S12. Then, after placing the positioning device body, adjust the lifting platform and the slider on the lifting platform to adjust the infrared transmitter. At the same time, the front end of the infrared transmitter slot is an adjustment sink. S13. Turn on the infrared emitter, insert the infrared emitter into the infrared emitter slot on the slider, move the slider to the corresponding position, and the infrared light shines on the corresponding position of the upper roller, quickly and accurately determining the location of the corresponding defect on the upper roller, thereby improving the efficiency of countermeasures, reducing product waste, and reducing the intensity of work. At the same time, the components on the device can be easily disassembled and replaced, improving the cleaning effect of parts.

[0027] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A device for precisely locating defects in photovoltaic glass rolling, characterized in that: It includes an upper roller, a positioning device body, and a scale set on the positioning device body. The positioning device body is located next to the upper roller. The positioning device body includes a movable base and a lifting platform set on the movable base. The bottom of the movable base is provided with movable casters, and a lifting component is provided between the lifting platform and the movable base. The lifting component includes a lifting motor, a lifting motor and a lifting motor. The bottom of the lifting platform is provided with a docking groove, a docking groove and a docking groove. The ends of the lifting motors are detachably connected to the docking grooves.

2. The device for accurately locating defects in photovoltaic glass rolling according to claim 1, characterized in that: The interior of the lifting platform is a hollow structure. The top of the lifting platform is provided with a detachable top plate. The detachable top plate is provided with a first row of threaded holes and a second row of threaded holes. Both the first row of threaded holes and the second row of threaded holes are provided with several through-hole threads.

3. The device for accurately locating defects in photovoltaic glass rolling according to claim 2, characterized in that: The lifting platform and the movable base are equipped with a PLC control system and sensor components. The lifting platform is equipped with a detachable lifting adjustment bracket, which includes a vertical support rod and a vertical support rod. The middle of the vertical support rod and the vertical support rod are provided with several fixed step grooves.

4. The device for accurately locating defects in photovoltaic glass rolling according to claim 3, characterized in that: A transverse placement plate is provided between the two opposing fixed step grooves, and both ends of the transverse placement plate are fixed to the fixed step groove by bolts or clips. A sliding groove is provided on the top of the transverse placement plate, and a slide rail is provided on the bottom of the sliding groove.

5. The device for accurately locating defects in photovoltaic glass rolling according to claim 4, characterized in that: The slide rail is equipped with a slider, which is electrically connected to the PLC control system. The slider is equipped with an infrared transmitter slot, and the side wall of the infrared transmitter slot is equipped with opposing locking holes. The infrared transmitter slot is equipped with a clamping clamp, which is positioned above the infrared transmitter.

6. The device for accurately locating defects in photovoltaic glass rolling according to claim 5, characterized in that: The scale is set on both sides of the lifting platform. The detachable lifting and adjusting bracket is made of 304 stainless steel. The bottoms of the vertical support rod and the vertical support rod are fixed by a triangular fixing plate.

7. The device for accurately locating defects in photovoltaic glass rolling according to claim 6, characterized in that: The slider is made of 304 stainless steel, and the infrared emitter slot is tilted downward at an angle of 25°. The slider can also be moved manually.

8. The method for accurately locating defects in photovoltaic glass rolling according to claim 7, characterized in that: Includes the following steps: S11. First, based on the actual production situation, the top of the annealing kiln is selected as the observation point, and a positioning device is designed and manufactured at the entrance of the top of the annealing kiln. S12. Then, after placing the positioning device body, adjust the lifting platform and the slider on the lifting platform to adjust the infrared transmitter. At the same time, the front end of the infrared transmitter slot is an adjustment sink. S13. Turn on the infrared emitter, insert the infrared emitter into the infrared emitter slot on the slider, move the slider to the corresponding position, and the infrared light will shine on the corresponding position of the upper roller. This will quickly and accurately determine the location of the corresponding defect on the upper roller, thereby improving the efficiency of countermeasures, reducing product waste, and reducing work intensity.