Glass grinding clamp assembly

Abstract

The utility model discloses a glass grinding clamp assembly which comprises a circular clamp plate, teeth are arranged on the edge of the outer side of the clamp plate, the clamp plate is meshed with a driving gear and a fixed inner gear ring in the middle through the teeth, at least one clamp hole is formed in the clamp plate, and the clamp hole is eccentrically arranged. A plurality of liquid guide holes are formed in the clamp plate, and when grinding liquid enters the space between the glass and the grinding disc through the liquid guide holes, the fluidity of the grinding liquid is improved, and the height difference of the annular grinding belt is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of glass grinding, and more specifically relates to a glass grinding clamp component. Background Art

[0002] The screen glass of electronic products such as mobile phones needs to be ground to achieve the best light transmittance of the glass. The current traditional grinding mechanism includes a driving gear in the middle and a fixed inner gear ring on the outside. Grinding discs are set on the upper and lower sides of the middle. The middle of the grinding disc is a clamping piece with holes for positioning the glass. The outer side of the clamping piece is provided with teeth, which mesh with the driving gear and the inner gear ring. Through the rotation of the driving gear, the clamping piece is driven to rotate while rotating around the driving gear (planetary gear mechanism, refer to the patent disclosed by patent number CN203438062U). During grinding, grinding liquid containing tiny grinding particles is also injected between the two grinding discs.

[0003] In order to avoid wear marks on the glass surface during grinding, the glass is generally set eccentrically on the fixture so that the glass has radial displacement during rotational grinding.

[0004] However, when the glass is being ground, its grinding track is still within a circle of annular grinding belt. Therefore, after grinding a certain amount of glass, the part of the grinding wheel within the annular grinding belt will sink and produce a height difference with the parts on the inner and outer sides, which increases the grinding thickness of the upper and lower grinding wheels and affects the subsequent grinding accuracy of the glass. At the same time, since the holes on the fixture piece can fit well with the outside of the glass, and the upper and lower surfaces of the fixture piece are closely attached to the upper and lower grinding wheels, the fluidity of the grinding liquid between the glass and the grinding wheel is poor, which makes the height difference of the annular grinding belt generate and expand faster, further affecting the grinding accuracy. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a glass grinding fixture assembly, which improves the fluidity of the grinding liquid by opening a liquid guide hole on the fixture plate, reduces the height difference of the annular grinding belt, and improves the grinding accuracy.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a glass grinding fixture assembly, comprising a circular fixture plate, the outer edge of which is provided with teeth, which mesh with the middle driving gear and the fixed inner gear ring through the teeth, at least one fixture hole is provided on the fixture plate, and the fixture hole is eccentrically arranged, and a plurality of liquid guide holes are provided on the fixture plate.

[0007] Furthermore, when only one fixture hole is provided on the fixture plate, the plurality of liquid conducting holes are located on the wider side between the fixture hole and the fixture plate.

[0008] Furthermore, when two or more fixture holes are provided on the fixture plate, the plurality of liquid conducting holes are respectively located on the other three sides except the one close to the edge of the fixture plate.

[0009] Furthermore, the plurality of liquid-conducting holes include a first hole in the center of the fixture plate, a plurality of second holes surrounding the first hole, a plurality of third holes in a row on both sides of the fixture hole, and a plurality of fourth holes between two adjacent rows of third holes.

[0010] Furthermore, it also includes a ring-shaped grinding stone, the outer edge of which is provided with teeth, which mesh with the middle driving gear and the fixed inner gear ring through the teeth, and a plurality of liquid guide grooves are provided on both side surfaces of the grinding stone, and the liquid guide grooves extend radially on the side surfaces of the grinding stone.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: when the glass is placed in the fixture hole for grinding, the grinding liquid can enter between the glass and the grinding disc through a number of liquid guide holes, thereby improving the fluidity of the grinding liquid and reducing the height difference of the annular grinding belt. At the same time, after sequential or multiple grinding, the fixture plate on the grinding disc is replaced with a grinding stone, and the upper and lower grinding discs are re-ground by the grinding stone so that the annular grinding belt is flush with the inner and outer sides thereof, thereby eliminating the annular grinding belt with a height difference and avoiding affecting the grinding accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of a fixture plate in the embodiment 1 of the glass grinding fixture assembly of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the fixture plate in the second embodiment of the glass grinding fixture assembly of the utility model;

[0014] Figure 3 The utility model is a schematic diagram of the structure of the grinding stone in the glass grinding fixture assembly.

[0015] Reference numerals: fixture plate 1; fixture hole 2; liquid conducting hole 3; first hole 4; second hole 5; third hole 6; fourth hole 7; grinding stone 8; liquid conducting groove 9. DETAILED DESCRIPTION

[0016] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0017] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0018] Reference Figures 1 to 3 The utility model is further described.

[0019] Embodiment 1:

[0020] A glass grinding fixture assembly includes a circular fixture plate 1, wherein teeth are arranged on the outer edge of the fixture plate 1, and the teeth are meshed with a middle driving gear and a fixed inner gear ring. At least one fixture hole 2 is arranged on the fixture plate 1, and the fixture hole 2 is eccentrically arranged. A plurality of liquid guide holes 3 are arranged on the fixture plate 1.

[0021] The shape of the fixture hole 2 in this embodiment is not limited and can be circular, polygonal or irregular.

[0022] like Figure 1 As shown, in this embodiment, preferably, when only one fixture hole 2 is provided on the fixture plate 1 , a plurality of liquid guide holes 3 are located on the wider side between the fixture hole 2 and the fixture plate 1 .

[0023] like Figure 3 As shown, the present embodiment preferably also includes a ring-shaped grinding stone 8, the outer edge of the grinding stone 8 is provided with teeth, which mesh with the middle driving gear and the fixed inner gear ring through the teeth, and a plurality of liquid guide grooves 9 are provided on both side surfaces of the grinding stone 8, and the liquid guide grooves 9 extend radially on the side of the grinding stone 8.

[0024] When the glass is placed in the fixture hole 2 for grinding, the grinding liquid can enter between the glass and the grinding disc through a plurality of liquid guide holes 3, thereby improving the fluidity of the grinding liquid and reducing the height difference of the annular grinding belt. At the same time, after sequential or multiple grinding, the fixture plate 1 on the grinding disc is replaced with a grinding stone 8, and the upper and lower grinding discs are re-grinded by the grinding stone 8 so that the annular grinding belt is flush with its inner and outer sides, thereby eliminating the annular grinding belt with a height difference and avoiding affecting the grinding accuracy.

[0025] Embodiment 2:

[0026] A glass grinding fixture assembly includes a circular fixture plate 1, wherein teeth are arranged on the outer edge of the fixture plate 1, and the teeth are meshed with a middle driving gear and a fixed inner gear ring. At least one fixture hole 2 is arranged on the fixture plate 1, and the fixture hole 2 is eccentrically arranged. A plurality of liquid guide holes 3 are arranged on the fixture plate 1.

[0027] The shape of the fixture hole 2 in this embodiment is not limited and can be circular, polygonal or irregular.

[0028] like Figure 2 As shown, in this embodiment, preferably, when two or more fixture holes 2 are provided on the fixture plate 1 , the plurality of liquid guide holes 3 are respectively located on the other three sides except the one close to the edge of the fixture plate 1 .

[0029] like Figure 2 As shown, in this embodiment, preferably, the plurality of liquid-conducting holes 3 include a first hole 4 in the center of the fixture plate 1, a plurality of second holes 5 surrounding the first hole 4, a plurality of third holes 6 in a row on both sides of the fixture hole 2, and a plurality of fourth holes 7 between two adjacent rows of third holes 6.

[0030] In this embodiment, taking the fixture hole position in the direction as an example, if the fixture hole 2 is circular, the third hole 6 surrounds the fixture hole 2, except for one side close to the edge of the fixture plate 1; if the fixture hole 2 is irregular, the third hole 6 is set on the side of the largest circumscribed circle or circumscribed square of the irregular hole.

[0031] like Figure 3 As shown, the present embodiment preferably also includes a ring-shaped grinding stone 8, the outer edge of the grinding stone 8 is provided with teeth, which mesh with the middle driving gear and the fixed inner gear ring through the teeth, and a plurality of liquid guide grooves 9 are provided on both side surfaces of the grinding stone 8, and the liquid guide grooves 9 extend radially on the side of the grinding stone 8.

[0032] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A glass grinding fixture assembly, characterized in that: It comprises a circular fixture plate, the outer edge of which is provided with teeth, which mesh with the middle driving gear and the fixed inner gear ring through the teeth, at least one fixture hole is provided on the fixture plate, and the fixture hole is eccentrically arranged, and a plurality of liquid guide holes are provided on the fixture plate.

2. The glass grinding fixture assembly according to claim 1, characterized in that: When only one fixture hole is provided on the fixture plate, the plurality of liquid conducting holes are located on the wider side between the fixture hole and the fixture plate.

3. The glass grinding fixture assembly according to claim 1, characterized in that: When two or more fixture holes are arranged on the fixture plate, the plurality of liquid conducting holes are respectively located on the other three sides except the side close to the edge of the fixture plate.

4. The glass grinding fixture assembly according to claim 3, characterized in that: The plurality of liquid-conducting holes include a first hole in the center of the fixture plate, a plurality of second holes surrounding the first hole, a plurality of third holes in rows on both sides of the fixture hole, and a plurality of fourth holes between two adjacent rows of third holes.

5. The glass grinding fixture assembly according to claim 1, characterized in that: It also includes a ring-shaped grinding stone, the outer edge of which is provided with teeth, which mesh with the middle driving gear and the fixed inner gear ring through the teeth, and a plurality of liquid guide grooves are provided on both side surfaces of the grinding stone, and the liquid guide grooves extend radially on the side of the grinding stone.

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