3D glass polishing device

By designing a 3D glass polishing device with annular protrusions and folded structures, the problem of curved edge folds caused by fixture replacement was solved, achieving efficient and fold-free polishing of 3D glass curved surfaces, thus improving product quality and user experience.

CN117718839BActive Publication Date: 2026-04-10合肥金龙浩科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-12-27
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing technologies require constant fixture changes when polishing the curved edges of 3D or 2.5D glass, resulting in creases on the curved edges, which affects product quality and user experience.

Method used

Design a 3D glass polishing device that utilizes the annular protrusion and the pleated structure within the annular groove to cause the second side of the disc and fixture to move up and down. Combined with the polishing mechanism of the hydraulic device, it can achieve one-time overall polishing of the 3D glass curved surface.

Benefits of technology

It achieves efficient, angle-free polishing of 3D curved glass surfaces, improving product quality and user experience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN117718839B_ABST
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Abstract

The application discloses a 3D glass polishing device, which comprises a workbench, a driving motor, an annular protrusion, a polishing mechanism, a driving disc and a disc, wherein the annular protrusion is provided with a first inner gear, the inner ring is provided with an annular groove, the groove bottom is provided with a wrinkle part, the outer ring of the driving disc is provided with a first outer gear, the disc is provided with a jig, the first side edge of the jig is hinged to the disc, the disc is provided with a center hole, a telescopic rod is installed in the center hole, the top of the telescopic rod abuts against the second side edge and the bottom of the telescopic rod abuts against the groove bottom, the outer ring of the disc is provided with a second outer gear, and the second outer gear is engaged with the first inner gear and the first outer gear. In the application, the annular groove is arranged in the inner ring of the annular protrusion, and the annular groove is provided with the wrinkle part, so that the disc can realize the effect of upwardly lifting the second side edge of the jig during rotation, drive the glass to be lifted up and down on the side edge on the side of the second side edge, meet the demand of one-time overall polishing of the 3D glass curved surface, and improve the polishing quality of the 3D glass curved surface.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of polishing devices, in particular to a 3D glass polishing device. BACKGROUND

[0002] In the production and processing process of screen glass of mobile phones, tablets and the like, the surface of 3D or 2.5D glass after heat bending needs to be polished, wherein when the flat surface of 3D or 2.5D glass is polished, the polishing device can be directly used for polishing, but when the curved edge of 3D or 2.5D glass is faced, the equipment must be replaced; at present, some manufacturers have realized the polishing of the curved edge of 3D or 2.5D glass by increasing the height of the polishing disc of the polishing device and changing the angle of the glass placed on the jig, but in this process, when the curved edge of 3D or 2.5D glass is faced, jigs with different inclined surfaces need to be replaced constantly to change the placement angle of 3D or 2.5D glass, but the polishing of the curved surface by the jigs with different inclined angles will directly leave a corner at the curved surface of the glass, which can be improved by reducing the change value of the inclined angle of the jig, but it is inevitable that a crease will be left on the curved edge of 3D or 2.5D glass, which affects the product quality of 3D or 2.5D glass and the user experience in the later stage. SUMMARY

[0003] To solve the technical problems in the background art, the present application provides a 3D glass polishing device.

[0004] The 3D glass polishing device provided by the present application comprises a workbench, a driving motor arranged on the workbench, an annular protrusion provided on the workbench, a first inner tooth provided on the inner circle of the annular protrusion, an annular groove provided in the inner circle, and a plurality of wrinkle portions arranged along the axial direction of the annular groove and provided on the groove bottom; a driving disc, a driving motor drivingly connected to the driving disc can drive the driving disc to rotate, the driving disc is coaxially arranged with the annular protrusion and the annular groove, a first outer tooth is provided on the outer circle of the driving disc; one or more discs, one or more jigs for fixing 3D glass are installed on the disc, the first side edge of the jig is hingedly connected to the disc, a central hole vertically arranged on the disc is slidably installed with a telescopic rod, the top of the telescopic rod abuts against the second side edge of the jig opposite to the first side edge, the bottom of the telescopic rod abuts against the groove bottom, a second outer tooth is provided on the outer circle of the disc, and the second outer tooth is engaged with the first inner tooth and the first outer tooth; a polishing mechanism for polishing the upper surface of the 3D glass placed on the jig.

[0005] As a further optimization of the above-mentioned scheme, two jigs symmetrically arranged about the center of the central hole are arranged on the disc, and the second side edge of the jig opposite to the first side edge is partially located directly above the central hole.

[0006] As a further optimization of the above scheme, the corresponding jig on the disc is fixedly connected with two hinged blocks, one side of the hinged block is fixedly connected with a transfer shaft, the first side edge of the jig is fixedly connected with a protruding part, and the protruding part is sleeved outside the transfer shaft.

[0007] As a further optimization of the above scheme, the lower end of the telescopic rod is in a dome structure.

[0008] As a further optimization of the above scheme, the wrinkle part has an upward surface and a downward surface, and the upward surface and the downward surface are connected at the ends.

[0009] As a further optimization of the above scheme, the upward surface and the downward surface of the wrinkle part are in a curved surface structure.

[0010] As a further optimization of the above scheme, a plurality of wrinkle parts are arranged on the groove bottom of the ring groove, so that the contact surfaces of adjacent wrinkle parts and the telescopic rod are connected, and the abutting surfaces of the bottom of the telescopic rod and the groove bottom are in a wave structure.

[0011] As a further optimization of the above scheme, the polishing mechanism specifically comprises: a bracket fixedly connected with the workbench, a hydraulic device mounted on the bracket, and a polishing disc located directly above the driving disc mounted at the output end of the hydraulic device, and a polishing brush mounted below the polishing disc.

[0012] In the present application, the polishing device is provided with a ring groove in the inner ring of the annular protrusion, and the ring groove has a wrinkle part, so that the disc rotates around the center of the ring groove, and the telescopic rod mounted on the jig is extruded by the wrinkle part during the self-rotation process of the disc, thereby achieving the effect of lifting the second side edge of the jig upward, causing the second side edge of the jig to move up and down reciprocally, driving the side edge of the glass on the second side edge to move up and down synchronously, meeting the demand of polishing the 3D glass curved surface in one time, and improving the polishing quality of the 3D glass curved surface. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 Structure diagram of an embodiment of the 3D glass polishing device Figure 1

[0014] Figure 2 Structure diagram of an embodiment of the 3D glass polishing device Figure 2

[0015] Figure 3 Structure diagram of the driving disc of an embodiment of the 3D glass polishing device.

[0016] ​​The figure mark: workbench 1, annular protrusion 2, first inner tooth 3, ring groove 4, wrinkle part 5, driving disc 6, first outer tooth 7, disc 8, jig 9, center hole 10, telescopic rod 11, second outer tooth 12, polishing mechanism 13, hinged block 14, transfer shaft 15, protruding part 16, support 17, hydraulic device 18, polishing disc 19. DETAILED DESCRIPTION

[0017] As Figure 1 shown, Figure 1 a structure schematic view of an embodiment of a 3D glass polishing device proposed by the present application.

[0018] Referring to Figure 1 and Figure 2 , the 3D glass polishing device proposed by the present application comprises a workbench 1, a driving motor is arranged on the workbench 1, an annular protrusion 2 is arranged on the workbench, a first inner tooth 3 is arranged on the inner circle of the annular protrusion 2, a ring groove 4 is arranged in the inner circle, a plurality of wrinkle parts 5 are arranged on the groove bottom of the ring groove 4 along the axial direction; a driving disc 6, the driving motor connected to the driving disc 6 can drive the driving disc 6 to rotate, the driving disc 6, the annular protrusion 2 and the ring groove 4 are coaxially arranged, a first outer tooth 7 is arranged on the outer circle of the driving disc 6; one or more discs 8, one or more jigs 9 for fixing 3D glass are installed on the disc 8, the first side of the jig 9 is hinged to the disc 8, a center hole 10 is arranged vertically on the disc 8, a telescopic rod 11 is slidably installed in the center hole 10, the top of the telescopic rod 11 abuts against the second side of the jig 9 opposite to the first side, the bottom of the telescopic rod 11 abuts against the groove bottom, a second outer tooth 12 is arranged on the outer circle of the disc 8, the second outer tooth 12 is engaged with the first inner tooth 3 and the first outer tooth 7; a polishing mechanism 13 is used for polishing the upper surface of the 3D glass placed on the jig 9.

[0019] In the specific working process of the polishing device of the embodiment, the pre-processed glass is installed and placed on the jig 9, the disc 8 carrying the jig 9 is placed into the inner ring of the annular protrusion 2, the polishing mechanism 13 is adjusted to a position capable of polishing the surface of the 3D glass on the jig 9, the driving motor arranged on the workbench 1 is started, under the driving of the driving motor, the first outer tooth 7 starts to rotate, and on the basis that the second outer tooth 12 is in mesh with the first inner tooth 3 and the first outer tooth 7, the disc 6 rotates in the inner ring of the annular protrusion 2 with the center of the annular groove 4 as the center, and the disc 6 also rotates at the same time, and in this process, the telescopic rod 11 installed on the jig 9 and abutting against the bottom of the groove is in sliding connection with the bottom of the groove, and when the lower end of the telescopic rod 11 passes through the wrinkle part 5 arranged in the axial direction at intervals along the annular groove 4, the telescopic rod 11 and the lower end of the telescopic rod 11 are extruded to achieve the effect of lifting the second side edge of the jig 9 upward, so that the second side edge of the jig 9 produces reciprocating up-and-down movement, and the side edge on the second side edge of the glass is also lifted up and down synchronously, which meets the demand for comprehensive polishing of the 3D glass curved surface and improves the polishing quality of the 3D glass curved surface.

[0020] With reference to Figure 3 In the embodiment, two jigs 9 are arranged on the disc 8 in a center-symmetrical manner about the center of the center hole 10, and the second side edge opposite to the first side edge of the jig 9 is partially located directly above the center hole 10, so that the two jigs 9 can cover a certain interval of the center hole 10, and the integrity of the disc 8 is improved.

[0021] Two hinge blocks 14 are fixedly connected to the disc 8 corresponding to the jig 9, one side of the hinge block 14 is fixedly connected to the intermediate shaft 15, the first side edge of the jig 9 is fixedly connected to the protruding part 16, and the protruding part 16 is sleeved outside the intermediate shaft 15, so that the jig 9 can rotate around the axis of the intermediate shaft 15 on the basis of the sleeve connection of the protruding part 16 and the intermediate shaft 15.

[0022] In the embodiment, the lower end of the telescopic rod 11 adopts a dome structure, which facilitates the sliding connection between the lower end of the telescopic rod 11 and the inner bottom of the annular groove 4 and reduces the friction between the lower end of the telescopic rod 11 and the inner bottom of the annular groove 4.

[0023] With reference to Figure 2 In the embodiment, the wrinkle part 5 has an ascending surface and a descending surface, the end portions of the ascending surface and the descending surface are connected, and the ascending surface and the descending surface of the wrinkle part 5 both adopt a curved surface structure, and the contact points between the lower end of the telescopic rod 11 and the wrinkle part 5 form up-and-down fluctuation.

[0024] Secondly, the groove bottom of the annular groove 4 is provided with a plurality of wrinkle parts 5, so that the adjacent wrinkle parts 5 and the contact surface of the telescopic rod 11 are connected, the bottom of the telescopic rod 11 and the abutting surface of the groove bottom are in a wave shape, the height position of the lower end of the telescopic rod 11 is always in a variable state, and the working efficiency of the device for polishing the curved edge of the 3D glass is improved.

[0025] Referring to Figure 1 In the embodiment, the polishing mechanism 13 specifically comprises a support 17 fixedly connected with the workbench 1, a hydraulic device 18 installed on the support 17, a polishing disc 19 located above the driving disc 6 and installed at the output end of the hydraulic device 18, and a polishing brush installed on the lower surface of the polishing disc 19. The height position of the polishing disc 19 is adjusted by the hydraulic device 18, and the 3D glass surface in a constant position change is flexibly polished by the polishing brush.

[0026] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A 3D glass polishing apparatus, characterized by, The utility model relates to a 3D glass polishing device, including: Workbench (1), the workbench (1) is arranged with drive motor, the workbench is equipped with annular protrusion (2), the inner ring of annular protrusion (2) is equipped with first inner tooth (3), is equipped with ring groove (4) in the inner ring, the groove bottom of ring groove (4) is equipped with a plurality of wrinkle parts (5) along the axial interval arrangement of ring groove (4); Drive disc (6), the drive motor of drive connection drive disc (6) can drive drive disc (6) to rotate, drive disc (6) and annular protrusion (2) and ring groove (4) are coaxial arrangement, the outer ring of drive disc (6) is equipped with first outer tooth (7); One or more disc (8), disc (8) is installed with one or more for fixing 3D glass jig (9), the first side of jig (9) is hinged with disc (8), disc (8) is equipped with vertically arranged center hole (10), the telescopic rod (11) of sliding installation is installed in center hole (10), and the second side opposite first side of telescopic rod (11) top abuts on jig (9), the bottom of telescopic rod (11) abuts on groove bottom, the outer ring of disc (8) is equipped with second outer tooth (12), and second outer tooth (12) is engaged with first inner tooth (3), first outer tooth (7); Polishing mechanism (13) is used for polishing the upper surface of 3D glass placed in jig (9); The rising surface and the falling surface are connected at the end of the wrinkle part (5); The rising surface and the falling surface of the wrinkle part (5) are both curved surfaces; The groove bottom of ring groove (4) is equipped with a plurality of wrinkle parts (5), so that the contact surface of adjacent wrinkle parts (5) and telescopic rod (11) is connected, and the abutting surface of the bottom of telescopic rod (11) and the groove bottom is in a wave shape.

2. The sharpening device of claim 1, wherein Two jigs (9) are arranged on the disc (8) and are symmetrically arranged about the center of the center hole (10), and the second side opposite the first side of the jig (9) is partially located directly above the center hole (10).

3. The sharpening device of claim 2, wherein, Two hinge blocks (14) are fixedly connected to the disc (8) corresponding to the jig (9), one side of the hinge block (14) is fixedly connected to the transfer shaft (15), the first side of the jig (9) is fixedly connected to the protruding part (16), and the protruding part (16) is sleeved on the outside of the transfer shaft (15).

4. The sharpening device of claim 1, wherein, The lower end of the telescopic rod (11) is in a dome shape.

5. The sharpening device of claim 1, wherein, The polishing mechanism (13) specifically comprises: a support (17) fixedly connected to the workbench (1), a hydraulic device (18) mounted on the support (17), a polishing disc (19) mounted on the output end of the hydraulic device (18) and located directly above the drive disc (6), and a polishing brush mounted on the lower surface of the polishing disc (19).

Citation Information

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