A cover plate scratch repair process

Abstract

The present application relates to the field of cover plate repair, a new type of cover plate scratch repair process, step one: fix the cover plate with a vacuum clamp and adjust the angle of the cover plate so that the surface of the cover plate is horizontal; step two: use ultrasound to clean the glass surface, and then irradiate it with strong light; step three: identify the size of the workpiece through a CCD camera and a device PLC; step four: spray abrasive liquid on the cover plate to grind the cover plate to remove surface scratches. The grinding device used to grind the cover plate in the repair process includes an upper mold and a lower mold; a vacuum adsorption frame is installed on the top of the upper mold, and a universal adjustment mechanism is installed on the top of the vacuum adsorption frame. The top of the universal adjustment mechanism is controlled by a lifting mechanism. Several groups of suction cups are installed at the bottom of the vacuum adsorption frame. A circular air supply pipe is used on the back of the suction cup, and the suction cup is arrayed on the bottom surface of the vacuum adsorption frame. The present application can select grinding discs of different sizes according to glass cover plates of different sizes, and the grinding angle can be adjusted to meet diverse grinding needs.

Description

Technical Field

[0001] The present application relates to the field of cover plate repair, and in particular to a cover plate scratch repair process. Background Art

[0002] At present, the main method for repairing cover plate (CG) scratches in the LCD and OLED panel industries is to install a grinding disc on the grinding equipment and use a grinding liquid for local grinding. The disadvantage is that the CG repaired by local grinding has color difference and the repair yield is less than 90%. This method cannot be used for grinding repair of scratches deeper than 0.001mm.

[0003] Chinese patent CN104999361A discloses a glass cover scratch repair device, which relates to the field of electronic manufacturing technology, and includes: an upper grinding disc and a lower grinding disc, wherein a cruise ship piece is provided in the lower grinding disc, wherein the cruise ship piece can rotate in the lower grinding disc, and a plurality of product through holes are provided on the lower grinding disc, wherein a cruise ship cover piece is also provided in the lower grinding disc, wherein the cruise ship cover piece covers the cruise ship piece to isolate it from the upper grinding disc. The glass cover scratch repair device is provided with a cruise ship cover piece, and if only one side of the glass cover needs to be polished and repaired, it is only necessary to cover the intact surface with the cruise ship cover piece after placing the product through hole, and then polish it, and the operation is relatively simple. The upper grinding disc and the lower grinding disc on the glass cover in the prior art can only polish glass cover plates of fixed sizes, and it is not possible to select grinding discs of different sizes according to glass cover plates of different sizes, and the polishing angle is relatively fixed, and it is not possible to adapt to diversified polishing requirements. Summary of the invention

[0004] In order to overcome the problems existing in the prior art, the present application provides a cover plate scratch repair process.

[0005] The present application provides a cover plate scratch repair process using the following technical solution:

[0006] A cover plate scratch repair process, characterized by comprising the following steps:

[0007] Step 1: Use a vacuum clamp to fix the cover plate and adjust the angle of the cover plate so that the surface of the cover plate is horizontal;

[0008] Step 2: Use ultrasonic waves to clean the glass surface, and then irradiate it with strong light;

[0009] Step 3: Identify the workpiece size through the CCD camera and equipment PLC;

[0010] Step 4: Spray the cover plate with grinding fluid to grind the cover plate to remove surface scratches.

[0011] By adopting the above technical solution, the scratched cover plate is fixed by adsorption through a vacuum fixture and the required grinding angle is adjusted. After ultrasonic cleaning, it is irradiated with strong light and the scratch condition is identified by a CCD camera connected to the PLC, so as to control the grinding thickness of the grinding mechanism. Finally, it is placed on the grinding device and the grinding liquid is sprayed on the cover plate to grind it, so that a layer of the entire surface of the cover plate is polished to effectively repair the scratches on it.

[0012] Preferably, the grinding device used for grinding the cover plate in the repair process includes an upper mold and a lower mold; a vacuum adsorption frame is installed on the top of the upper mold, a universal adjustment mechanism is installed on the top of the vacuum adsorption frame, and the top of the universal adjustment mechanism is controlled by a lifting mechanism, and a plurality of groups of suction cups are installed at the bottom of the vacuum adsorption frame, wherein an annular air supply pipe is adopted on the back of the suction cup, and the suction cup is arrayed on the bottom surface of the vacuum adsorption frame: the lower mold includes a grinding disc and a servo motor driving the grinding disc, the grinding disc includes a disc body and a grinding head adjustment assembly installed inside the disc body, wherein a plurality of grinding blocks are movably embedded on the surface of the disc body, and the grinding head adjustment assembly is used to adjust the number of grinding blocks on the surface of the grinding disc.

[0013] By adopting the above technical solution, the grinding device used in the repair process includes an upper mold and a lower mold, wherein the vacuum adsorption rack installed on the top of the upper mold activates the corresponding number of air supply pipes according to the size of the cover plate, so that the suction cup at the bottom of the vacuum adsorption rack adsorbs the cover plate to be polished, and then the universal adjustment mechanism is used to adjust the grinding angle of the cover plate adsorbed by the vacuum adsorption rack. At the same time, the grinding head adjustment component in the lower mold is adjusted to adjust the number of grinding blocks on the surface of the disk according to the size of the cover plate. After both are adjusted, the lifting mechanism is driven to bring the cover plate and the lower mold closer, and the adjusted lower mold is started to polish the cover plate.

[0014] Preferably, the disk body includes a face plate and a grinding disk inside the face plate, wherein the grinding disk is driven by a grinding head adjustment assembly to be slidably connected to the face plate, the face plate is fitted with a cover plate, a grinding strip is detachably installed at the center of the face plate, and a circular array around the face plate has a plurality of grinding grooves for the grinding blocks on the grinding disk to pass through.

[0015] By adopting the above technical solution, the face plate in the disc body is directly in contact with the cover plate to be polished, and the removable polishing strip installed in the center of the face plate is connected to the face plate and can be replaced after long-term use. The polishing disc at the bottom of the face plate slides the grinding blocks on the face plate under the action of the grinding head adjustment assembly, and different numbers of grinding blocks can be arranged on the face plate through adjustment.

[0016] Preferably, a plurality of dust suction ports are provided on the surface of the face plate, and the dust suction ports are evenly distributed around the polished grooves, wherein the dust suction ports are provided on the top inclined surface of the polished grooves, and the pipes of the dust suction ports are gathered to the dust suction mechanism at the center of the face plate.

[0017] Preferably, the dust suction mechanism is detachably mounted on the surface plate, wherein the top of the dust suction mechanism is fixedly connected to the base of the grinding strip, and the bottom of the dust suction mechanism is fixedly connected to the output shaft of the servo motor.

[0018] By adopting the above technical solution, the dust suction port on the face plate is arranged around the grinding groove. When the grinding block in the grinding groove is grinding the cover plate, the dust suction port can absorb the dust particles from grinding at the same time under the action of the dust suction mechanism. The dust suction mechanism located in the center of the face plate provides suction and storage for dust suction. The dust suction mechanism is installed at the end of the output shaft of the servo motor. Its external frame can cooperate with the detachable grinding strip in the center of the face plate to fix the face plate, and after grinding is completed, it can be removed and dumped by disassembling the face plate.

[0019] Preferably, the grinding disc has a circular array with several grinding rings with grinding blocks, and the grinding rings are detachably connected by lifting and sliding. The grinding head adjustment assembly can drive the mating connection between the grinding ring and the surface disc, and the grinding ring is also equipped with a locking mechanism connected to the inside of the circle.

[0020] Preferably, the grinding rings are connected via an inner ring slide groove and an outer ring slide rail, wherein a locking hole adapted to the locking mechanism is provided on the inner side wall close to the grinding ring.

[0021] By adopting the above technical solution, the grinding circles in the grinding disc are adjusted by the grinding head adjustment assembly, and the grinding circles with grinding blocks of lower and lower heights from the inside to the outside are adjusted, so that the grinding blocks with different numbers of circles are correspondingly arranged on the surface disc, thereby adjusting the grinding outer diameter of the grinding disc. And the locking mechanism arranged in the grinding circle can cooperate with the locking hole on the inner wall of two adjacent grinding circles to lock and fix the positions of the two when the two adjacent grinding circles are horizontal.

[0022] Preferably, the grinding blocks of the circular array of grinding surfaces of the grinding ring adopt an arc-shaped structure, and the arc-shaped convex surface of the grinding block has the same rotation direction as that of the grinding ring.

[0023] By adopting the above technical solution, the grinding direction of the grinding block in the grinding circle is the same as the convex surface of its arc-shaped structure, so that the cover plate can be better polished during the grinding process, and the dust particles generated by grinding can be diverted to both sides along the arc-shaped convex surface, thereby facilitating the dust suction port to fully and effectively collect the dust particles.

[0024] Preferably, the grinding head adjustment assembly is installed in an adjustment groove provided on the bottom surface of the grinding disk, wherein the adjustment groove runs through several grinding circles on the grinding disk, wherein a hydraulic telescopic mechanism is installed in the adjustment groove of the grinding circle located at the center of the grinding disk, and the hydraulic telescopic mechanism can drive the adjustment block at its output end to move in the adjustment groove, and a transition bevel is provided on the grinding circle, the transition bevel is provided in the adjustment groove on the outer side of two adjacent grinding circles, and the locking mechanism is installed on the bottom surface of the adjustment groove.

[0025] Preferably, the locking mechanism is installed in the strip groove at the bottom of the adjusting groove, including a slider slidably installed in the strip groove, wherein the height of the slider is greater than the depth of the strip groove and is connected to the inner end wall of the strip groove through an elastic element, and the outer end of the strip groove is also provided with a accommodating groove with a depth greater than the slider, and both sides of the slider are hinged to one end of a lever, the center of the lever is rotatably connected in the grinding ring, and the other end of the lever is hinged with a locking rod, which slides in the grinding ring and can cooperate with the locking hole on the adjacent grinding ring.

[0026] By adopting the above technical solution, the grinding head adjustment component includes an adjustment groove provided on the bottom surface of the grinding disc, the adjustment groove runs through the adjacent grinding circles, the hydraulic telescopic mechanism in the center of the grinding disc drives the adjustment block at its output end to move in the adjustment groove, the adjustment grooves between the two adjacent grinding circles are transitioned by a transition slope, and the adjustment grooves between the two adjacent grinding circles are continuous and can be used for the adjustment block to slide when not affected by the grinding head adjustment component, and its function is realized by the limit block provided on the inner wall of the outer grinding circle and the limit slide groove on the outer wall of the inner grinding circle to ensure that the bottom surface of the outer grinding circle will never be lower than the bottom surface of the inner grinding circle. After being affected by the grinding head adjustment component, the adjustment block acts on the transition slope to drive the outer grinding circle to move upward, thereby adjusting the number of grinding blocks on the face plate, and at the same time, the adjustment block acts on the locking mechanism when passing through the strip groove on the adjustment groove, and the adjustment block pushes the slider protruding from the strip groove outward until the slider falls into the receiving groove, and the two sides of the slider are designed with inclined surfaces to facilitate the slider to enter the receiving groove and separate from the adjustment block. During the movement of the slider, the two ends of the lever adopt a freely retractable mechanism. The lever on the side of the slider rotates around the central axis, pushing the locking rod at the other end of the lever into the locking hole in the adjacent grinding circle to achieve the locking of the two. When the adjustment block has not returned, the telescopic rod in the hydraulic telescopic mechanism can limit the slider in the receiving groove to maintain the locking state of the two adjacent grinding circles. When the adjustment block returns, the slider can be reset under the action of the elastic element, so that according to the above principle, the locking rod is withdrawn from the locking hole to achieve unlocking.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. This application adopts full-area grinding to repair the scratches on the cover plate. Compared with the traditional repair method that can only repair scratches of 0.001mm, the yield rate is less than 90%, and there is a color difference problem. By increasing the depth of the scratch repair to 0.01mm, the repair progress can reach 99.7%, and the repair yield rate is greatly improved.

[0029] 2. This application can select grinding discs of different sizes according to glass cover plates of different sizes, and the grinding angle can be adjusted to meet diverse grinding needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of a grinding device in a cover plate scratch repair process;

[0031] Figure 2 It is an exploded view of a grinding device in a cover plate scratch repair process;

[0032] Figure 3 yes Figure 2 An enlarged view of the middle grinding head adjustment assembly;

[0033] Figure 4 is a schematic diagram of the planar structure of the locking mechanism;

[0034] Figure 5 It is an exploded view of the other side of a grinding device used in a cover plate scratch repair process.

[0035] Explanation of the reference numerals: 1. grinding device; 11. upper mold; 111. vacuum adsorption frame; 112. universal adjustment mechanism; 113. suction cup; 114. air supply pipe; 12. lower mold; 121. grinding disc; 1211. disc body; 1212. grinding block; 2. servo motor; 3. lifting mechanism; 4. surface plate; 41. grinding strip; 42. grinding groove; 43. suction port; 44. suction mechanism; 5. grinding disc; 51. grinding ring; 511. slide groove; 512. slide rail; 513. locking hole; 6. grinding head adjustment assembly; 61. adjustment groove; 611. transition slope; 62. hydraulic telescopic mechanism; 63. adjustment block; 7. locking mechanism; 71. strip groove; 711. receiving groove; 72. slider; 73. elastic element; 74. lever; 75. locking rod. DETAILED DESCRIPTION

[0036] The following is combined with Figure 1-5 This application is described in further detail.

[0037] The embodiment of the present application discloses a cover plate scratch repair process.

[0038] Reference Figure 1-Figure 5, a process for repairing scratches on a cover plate, comprising the following steps: Step 1: Fix the cover plate with a vacuum clamp and adjust the angle of the cover plate so that the surface of the cover plate is horizontal; Step 2: Clean the glass surface with ultrasound and then irradiate it with strong light; Step 3: Identify the size of the workpiece through a CCD camera and a device PLC; Step 4: Spray the cover plate with grinding liquid to grind the cover plate to remove surface scratches. For the scratched cover plate, it is adsorbed and fixed by a vacuum clamp and the required grinding angle is adjusted. After ultrasonic cleaning, it is irradiated with strong light and the scratches on it are identified through a CCD camera connected to the PLC, so as to control the grinding thickness of the grinding mechanism. Finally, it is placed on the grinding device 1 and the grinding liquid is sprayed on the cover plate to grind it, so that a layer of the entire surface of the cover plate is polished and the scratches on it are effectively repaired.

[0039] Reference Figure 1-Figure 5 The grinding device 1 used for grinding the cover plate in the repair process includes an upper mold 11 and a lower mold 12; a vacuum adsorption frame 111 is installed on the top of the upper mold 11, a universal adjustment mechanism 112 is installed on the top of the vacuum adsorption frame 111, and the top of the universal adjustment mechanism 112 is controlled by a lifting mechanism 3, and a plurality of groups of suction cups 113 are installed at the bottom of the vacuum adsorption frame 111, wherein a circular air supply pipe 114 is used on the back of the suction cup 113, and the suction cup 113 is arrayed on the bottom surface of the vacuum adsorption frame 111: the lower mold 12 includes a grinding disc 121 and a servo motor 2 driving the grinding disc 121, the grinding disc 121 includes a disc body 1211 and a grinding head adjustment component 6 installed inside the disc body 1211, wherein a plurality of grinding blocks 1212 are movably inlaid on the surface of the disc body 1211, and the grinding head adjustment component 6 is used to adjust the number of grinding blocks 1212 on the surface of the grinding disc 121. The grinding device 1 used in the repair process includes an upper mold 11 and a lower mold 12, wherein the vacuum adsorption rack 111 installed on the top of the upper mold 11 activates the corresponding number of air supply pipes 114 according to the size of the cover plate, so that the suction cup 113 at the bottom of the vacuum adsorption rack 111 adsorbs the cover plate to be polished, and then the universal adjustment mechanism 112 is used to adjust the grinding angle of the cover plate adsorbed by the vacuum adsorption rack 111. At the same time, the grinding head adjustment component 6 in the lower mold 12 is adjusted, and the number of grinding blocks 1212 on the surface of the disc body 1211 is adjusted according to the size of the cover plate. After both are adjusted, the lifting mechanism 3 is driven to bring the cover plate and the lower mold 12 closer, and the adjusted lower mold 12 is started to polish the cover plate.

[0040] Reference Figure 1-Figure 5The disk body 1211 includes a face plate 4 and a grinding disk 5 inside the face plate 4, wherein the grinding disk 5 is driven by a grinding head adjustment assembly 6 to slide and connect with the face plate 4, the face plate 4 is fitted with the cover plate, a grinding strip 41 is detachably mounted at the center of the face plate 4, and a plurality of grinding grooves 42 are arranged around the circumference of the face plate 4 for the grinding blocks 1212 on the grinding disk 5 to pass through. The face plate 4 in the disk body 1211 is in direct contact with the cover plate to be polished, and the grinding strip 41 detachably mounted at the center of the face plate 4 is connected to the face plate 4 and can be replaced after long-term use. The grinding disk 5 at the bottom of the face plate 4 slides the grinding blocks 1212 thereon on the face plate 4 under the action of the grinding head adjustment assembly 6, and the face plate 4 can be adjusted to have different numbers of grinding blocks 1212.

[0041] Reference Figure 1-Figure 5 , a plurality of dust suction ports 43 are provided on the surface of the face plate 4, and the dust suction ports 43 are evenly distributed around the grinding groove 42, wherein the dust suction ports 43 are provided on the top inclined surface of the grinding groove 42, and the pipes of the dust suction ports 43 are gathered to the dust suction mechanism 44 at the center of the face plate 4. The dust suction mechanism 44 is detachably mounted on the face plate 4, wherein the top of the dust suction mechanism 44 is fixedly connected to the base of the grinding strip 41, and the bottom of the dust suction mechanism 44 is fixedly connected to the output shaft of the servo motor 2. The dust suction ports 43 on the face plate 4 are arranged around the grinding groove 42, and while the grinding block 1212 located in the grinding groove 42 is grinding the cover plate, the dust suction ports 43 can absorb the dust particles from grinding at the same time under the action of the dust suction mechanism 44. The dust suction mechanism 44 located at the center of the face plate 4 provides suction and storage for dust suction. The dust suction mechanism 44 is installed at the end of the output shaft of the servo motor 2. Its external frame can cooperate with the detachable grinding strip 41 in the center of the face plate 4 to fix the face plate 4, and after grinding is completed, it can be taken out and dumped by disassembling the face plate 4.

[0042] Reference Figure 1-Figure 5 , there are several circles of grinding rings 51 with grinding blocks 1212 in a circular array on the grinding disc 5, and the grinding rings 51 are detachably connected to each other by lifting and sliding, and the grinding head adjustment component 6 can drive the matching connection between the grinding ring 51 and the face plate 4, and the grinding ring 51 is also equipped with a locking mechanism 7 connected to the inner circle. The grinding rings 51 are connected by the inner ring slide groove 511 and the outer ring slide rail 512, wherein a locking hole 513 adapted to the locking mechanism 7 is provided on the inner side wall close to the grinding ring 51. Under the adjustment of the grinding head adjustment component 6, the several circles of grinding rings 51 in the grinding disc 5 are adjusted from the inside to the outside with the grinding blocks 1212 of lower and lower heights, so that the face plate 4 is provided with grinding blocks 1212 of different numbers of circles, thereby adjusting the grinding outer diameter of the grinding disc 5. Furthermore, the locking mechanism 7 disposed in the grinding ring 51 can cooperate with the locking holes 513 on the inner side walls of two adjacent grinding rings 51 to lock and fix the positions of the two rings when the two adjacent grinding rings 51 are horizontal.

[0043] Reference Figure 1-Figure 5 , wherein the grinding blocks 1212 of the grinding surface circumferential array of the grinding ring 51 adopt an arc structure, and the arc convex surface of the grinding blocks 1212 is in the same rotation direction as the grinding ring 51. The grinding direction of the grinding blocks 1212 in the grinding ring 51 is the same as the convex surface of its arc structure, which can better grind the cover plate during the grinding process, and the dust particles generated by the grinding can be guided to both sides along the arc convex surface, so that the dust suction port 43 can fully and effectively collect the dust particles.

[0044] Reference Figure 1-Figure 5The grinding head adjustment assembly 6 is installed in an adjustment groove 61 provided on the bottom surface of the grinding disc 5, wherein the adjustment groove 61 penetrates a plurality of grinding circles 51 on the grinding disc 5, wherein a hydraulic telescopic mechanism 62 is installed in the adjustment groove 61 of the grinding circle 51 located at the center of the grinding disc 5, and the hydraulic telescopic mechanism 62 can drive the adjustment block 63 at its output end to move in the adjustment groove 61, and a transition inclined surface 611 is provided on the grinding circle 51, and the transition inclined surface 611 is provided in the adjustment groove 61 on the outer side of the two adjacent grinding circles 51, and the locking mechanism 7 is installed on the bottom surface of the adjustment groove 61. The locking mechanism 7 is installed in the strip groove 71 at the bottom of the adjustment groove 61, and includes a slider 72 slidably installed in the strip groove 71, wherein the height of the slider 72 is greater than the depth of the strip groove 71 and is connected to the inner end wall of the strip groove 71 through an elastic element 73, and the outer end of the strip groove 71 is also provided with a receiving groove 711 with a depth greater than the slider 72, and both sides of the slider 72 are hinged to one end of a lever 74, the center of the lever 74 is rotatably connected to the grinding ring 51, and the other end of the lever 74 is hinged with a locking rod 75, which slides in the grinding ring 51 and can cooperate with the locking hole 513 on the adjacent grinding ring 51. The grinding head adjustment assembly 6 includes an adjustment groove 61 provided on the bottom surface of the grinding disc 5, and the adjustment groove 61 runs through the adjacent grinding circles 51. The hydraulic telescopic mechanism 62 in the center of the grinding disc 5 drives the adjustment block 63 at its output end to move in the adjustment groove 61. The adjustment grooves 61 between two adjacent grinding circles 51 are transitioned by a transition slope 611, and the adjustment grooves 61 between two adjacent grinding circles 51 are continuous for the adjustment block 63 to slide when they are not acted upon by the grinding head adjustment assembly 6. The function is realized by providing a limit block on the inner wall of the outer grinding circle 51 to cooperate with the limit slide groove 511 on the outer wall of the inner grinding circle 51 to ensure that the bottom surface of the outer grinding circle 51 will never be lower than the bottom surface of the inner grinding circle 51. After being acted upon by the grinding head adjustment assembly 6, the adjustment block 63 acts on the transition inclined surface 611, driving the outer grinding circle 51 to move upward, thereby adjusting the number of grinding blocks 1212 located on the face plate 4. At the same time, the adjustment block 63 acts on the locking mechanism 7 when passing through the strip groove 71 on the adjustment groove 61. The adjustment block 63 pushes the slider 72 protruding from the strip groove 71 outward until the slider 72 falls into the receiving groove 711. The two sides of the slider 72 are designed with inclined surfaces to facilitate the slider 72 to enter the receiving groove 711 and separate from the adjustment block 63. During the movement of the slider 72, the two ends of the lever 74 adopt a mechanism that can be freely extended and retracted. The lever 74 on the side of the slider 72 rotates around the central axis, pushing the locking rod 75 at the other end of the lever 74 into the locking hole 513 in the adjacent grinding circle 51 to achieve the locking of the two. When the adjustment block 63 has not yet returned, the telescopic rod in the hydraulic telescopic mechanism 62 can restrict the slider 72 in the receiving groove 711 to maintain the locking state of the two adjacent grinding circles 51.When the adjusting block 63 returns, the slider 72 can be reset under the action of the elastic element 73, so that according to the above principle, the locking rod 75 is withdrawn from the locking hole 513 to achieve unlocking.

[0045] Working principle: A cover plate scratch repair process, first use a vacuum clamp to fix the cover plate and adjust the angle of the cover plate to make the cover plate surface horizontal, then use ultrasound to clean the glass surface, and then irradiate it with strong light, use a CCD camera and equipment PLC to identify the size of the workpiece, spray grinding liquid on the cover plate to grind the cover plate to remove surface scratches, wherein the grinding device is used in the grinding process. The grinding device 1 used in the repair process includes an upper mold 11 and a lower mold 12, wherein a vacuum adsorption frame 111 installed on the top of the upper mold 11 activates an air supply pipe 114 with a corresponding number of rings according to the size of the cover plate, so that the suction cup 113 at the bottom of the vacuum adsorption frame 111 adsorbs the cover plate to be polished, and then the universal adjustment mechanism 112 is used to adjust the grinding angle of the cover plate adsorbed by the vacuum adsorption frame 111. At the same time, adjust the grinding head adjustment assembly 6 in the lower mold 12, and adjust the number of grinding blocks 1212 on the surface of the disc 1211 according to the size of the cover. After both are adjusted, drive the lifting mechanism 3 to bring the cover and the lower mold 12 closer, and start the adjusted lower mold 12 to grind the cover.

[0046] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A cover plate scratch repair process, characterized in that: The following steps are involved: Step 1: Use a vacuum clamp to fix the cover plate and adjust the angle of the cover plate so that the surface of the cover plate is horizontal; Step 2: Use ultrasonic waves to clean the glass surface, and then irradiate it with strong light; Step 3: Identify the workpiece size through the CCD camera and equipment PLC; Step 4: Spraying abrasive liquid on the cover plate to grind the cover plate to remove surface scratches; the grinding device (1) used for grinding the cover plate in the repair process comprises an upper mold (11) and a lower mold (12); a vacuum adsorption frame (111) is installed on the top of the upper mold (11), a universal adjustment mechanism (112) is installed on the top of the vacuum adsorption frame (111), and the top of the universal adjustment mechanism (112) is controlled by a lifting mechanism (3); a plurality of groups of suction cups (113) are installed on the bottom of the vacuum adsorption frame (111), wherein the back of the suction cup (113) is an annular An air supply pipeline (114) is provided, and a suction cup (113) is arranged on the bottom surface of a vacuum adsorption frame (111): the lower mold (12) comprises a grinding disc (121) and a servo motor (2) for driving the grinding disc (121); the grinding disc (121) comprises a disc body (1211) and a grinding head adjustment component (6) installed inside the disc body (1211); a plurality of grinding blocks (1212) are movably embedded on the surface of the disc body (1211); and the grinding head adjustment component (6) is used to adjust the number of grinding blocks (1212) on the surface of the grinding disc (121); The disk body (1211) comprises a surface disk (4) and a grinding disk (5) inside the surface disk (4), wherein the grinding disk (5) is driven by a grinding head adjustment assembly (6) to be slidably connected to the surface disk (4), the surface disk (4) is fitted with a cover plate, a grinding strip (41) is detachably mounted at the center of the surface disk (4), and a plurality of grinding grooves (42) are arranged in a circular array around the surface disk (4) for the grinding blocks (1212) on the grinding disk (5) to pass through; The grinding disc (5) has a plurality of grinding circles (51) with grinding blocks (1212) in a circular array, and the grinding circles (51) are detachably connected to each other in a lifting and sliding manner. The grinding head adjustment assembly (6) is capable of driving the matching connection between the grinding circle (51) and the surface disc (4), and the grinding circle (51) is also provided with a locking mechanism (7) connected to the inner part of the circle; The grinding head adjustment assembly (6) is installed in an adjustment groove (61) provided on the bottom surface of the grinding disc (5), wherein the adjustment groove (61) penetrates a plurality of grinding rings (51) on the grinding disc (5), wherein a hydraulic telescopic mechanism (62) is installed in the adjustment groove (61) of the grinding ring (51) located at the center of the grinding disc (5), and the hydraulic telescopic mechanism (62) can drive an adjustment block (63) at its output end to move in the adjustment groove (61), wherein a transition inclined surface (611) is provided on the grinding ring (51), wherein the transition inclined surface (611) is provided in the adjustment groove (61) on the grinding ring (51) on the outer side of two adjacent grinding rings (51), and a locking mechanism (7) is installed on the bottom surface of the adjustment groove (61).

2. A cover plate scratch repair process according to claim 1, characterized in that: The surface of the face plate (4) is provided with a plurality of dust suction ports (43), and the dust suction ports (43) are evenly distributed around the polished groove (42), wherein the dust suction ports (43) are provided on the top inclined surface of the polished groove (42), and the pipes of the dust suction ports (43) are connected to the dust suction mechanism (44) at the center of the face plate (4).

3. A cover plate scratch repair process according to claim 2, characterized in that: The dust suction mechanism (44) is detachably mounted on the face plate (4), wherein the top of the dust suction mechanism (44) is fixedly connected to the base of the grinding strip (41), and the bottom of the dust suction mechanism (44) is fixedly connected to the output shaft of the servo motor (2).

4. A cover plate scratch repair process according to claim 1, characterized in that: The grinding rings (51) are connected via an inner ring slide groove (511) and an outer ring slide rail (512), wherein a locking hole (513) adapted to the locking mechanism (7) is provided on the inner side wall close to the grinding ring (51).

5. A cover plate scratch repair process according to claim 4, characterized in that: The grinding blocks (1212) of the circular array of the grinding surface of the grinding ring (51) are of arc-shaped structure, and the arc-shaped convex surface of the grinding blocks (1212) rotates in the same direction as the grinding ring (51).

6. A cover plate scratch repair process according to claim 5, characterized in that: The locking mechanism (7) is installed in the strip groove (71) at the bottom of the adjustment groove (61), and comprises a slider (72) slidably installed in the strip groove (71), wherein the height of the slider (72) is greater than the depth of the strip groove (71) and is connected to the inner end wall of the strip groove (71) through an elastic element (73), and the outer end of the strip groove (71) is also provided with a receiving groove (711) with a depth greater than that of the slider (72), and both sides of the slider (72) are hinged to one end of a lever (74), the center of the lever (74) is rotatably connected to the grinding ring (51), and the other end of the lever (74) is hinged to a locking rod (75), and the locking rod (75) slides in the grinding ring (51) and can cooperate with a locking hole (513) on an adjacent grinding ring (51).

Images