CN216442219U

CN216442219U - Ultra-thin glass grinding head

Info

Publication number: CN216442219U
Application number: CN202122827450.6U
Authority: CN
Inventors: 李茵茵; 魏猛; 王小平; 肖子凡; 王琰; 刘红刚
Original assignee: CSG Holding Co Ltd; Qingyuan CSG New Energy Saving Materials Co Ltd
Current assignee: CSG Holding Co Ltd; Qingyuan CSG New Energy Saving Materials Co Ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-06
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to an ultrathin glass grinding head. The ultra-thin glass grinding head comprises a first rough grinding part, a chamfering part, a fine grinding part and an installation part. Through setting up first corase grind portion, chamfer portion, accurate grinding portion and installation department, can form the bistrique that carries out first corase grind, chamfer and accurate grinding to ultra-thin glass edge step by step. Wherein, the external diameter of first corase grind portion is less than the external diameter of accurate grinding portion, and the both ends of chamfer portion are connected respectively in first corase grind portion and accurate grinding portion. Adopt this bistrique to add man-hour to ultra-thin glass's edge, carry out preliminary corase grind to the glass edge through first corase grind portion, chamfer portion carries out the chamfer to the glass edge and handles. After chamfering treatment is carried out, the edge of the glass is finely ground through the fine grinding part, microcracks on the edge of the glass are further removed, and the production yield of the ultrathin glass is effectively improved.

Description

Ultra-thin glass grinding head

Technical Field

The utility model relates to the technical field of glass processing, in particular to an ultrathin glass grinding head.

Background

With the progress of production technology, the application of ultra-thin glass is more and more extensive. Ultra-thin glass generally refers to glass having a thickness of not more than 100 μm, which not only has good light transmission and heat resistance properties, but also performs well in terms of flexibility. At present, ultrathin glass is often applied to the fields of folding screen cover plates, flexible display screen substrates, OLED lighting, ITO conductive glass substrates, flexible solar cells and the like.

Although the ultra-thin glass has many excellent properties due to its small thickness, the small thickness also causes some difficulty in processing the ultra-thin glass. For example, when cutting ultra-thin glass, a large number of micro cracks are formed at the edge of the glass, and the micro cracks may adversely affect the use of the glass, resulting in a reduction in the production yield of the ultra-thin glass.

SUMMERY OF THE UTILITY MODEL

Therefore, the grinding head for the ultrathin glass is needed to be provided, the micro cracks on the edge of the ultrathin glass can be effectively removed by adopting the grinding head, and the production yield of the ultrathin glass is improved.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

an ultra-thin glass grinding head comprises a first rough grinding part, a chamfering part, a fine grinding part and a mounting part; in the pivot direction of bistrique, first corase grind portion chamfer portion accurate grinding portion and the installation department sets gradually, accurate grinding portion is comparatively first corase grind portion is closer to the installation department, the external diameter of first corase grind portion is less than the external diameter of accurate grinding portion, the both ends of chamfer portion connect respectively in first corase grind portion with accurate grinding portion.

In one embodiment, the included angle formed between the first rough grinding part and the chamfer part is 150-155 degrees.

In one embodiment, the outer surface of the first rough grinding part is coated with a first carborundum rough grinding layer.

In one embodiment, the outer surface of the chamfer is coated with a layer of diamond dust chamfer.

In one of the embodiments, the outer surface of the refining section is coated with a layer of wool fibres.

In one embodiment, the ultra-thin glass grinding head further comprises a second rough grinding part, both ends of the second rough grinding part are respectively connected to the chamfering part and the fine grinding part, the outer diameter of the first rough grinding part is smaller than that of the second rough grinding part, and both ends of the chamfering part are respectively connected to the first rough grinding part and the second rough grinding part.

In one embodiment, the outer surface of the second rough grinding section is flush with the outer surface of the finish grinding section.

In one embodiment, the outer surface of the second rough grinding part is coated with a second carborundum rough grinding layer.

In one embodiment, the ultra-thin glass grinding head further comprises a relief portion, two ends of the relief portion are respectively connected to the second rough grinding portion and the accurate grinding portion, the outer diameter of the relief portion is smaller than that of the second rough grinding portion, and the outer diameter of the relief portion is smaller than that of the accurate grinding portion.

In one embodiment, the ultra-thin glass grinding head further comprises a positioning table, and the positioning table is arranged on the mounting portion and protrudes out of the outer surface of the mounting portion to be used for mounting and positioning the grinding head.

The ultra-thin glass grinding head comprises a first rough grinding part, a chamfering part, a fine grinding part and an installation part. Through setting up first corase grind portion, chamfer portion, accurate grinding portion and installation department, can form the bistrique that carries out first corase grind, chamfer and accurate grinding to ultra-thin glass edge step by step. Wherein, the external diameter of first corase grind portion is less than the external diameter of accurate grinding portion, and the both ends of chamfer portion are connected respectively in first corase grind portion and accurate grinding portion. Adopt above-mentioned grinding head to add man-hour to ultra-thin glass's edge, carry out preliminary corase grind to the glass edge through first corase grind portion, tentatively improve the smooth degree at glass edge, then carry out the chamfer through chamfer portion to the glass edge and handle, form the chamfer at the glass edge, cooperation through first corase grind portion and chamfer portion can form good buffering to the grinding at glass edge, can also effectively avoid glass unusual swing to appear, and then can steadily get rid of the microcrack at glass edge. After chamfering treatment is carried out, the edge of the glass is finely ground through the fine grinding part, microcracks on the edge of the glass are further removed, and the production yield of the ultrathin glass is effectively improved.

Drawings

FIG. 1 is a schematic structural diagram of an ultra-thin glass grinding head according to an embodiment of the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

The notation in the figure is:

100. an ultrathin glass grinding head; 101. a first rough grinding section; 102. chamfering the corner; 103. a finish grinding section; 104. an installation part; 105. a second rough grinding section; 106. a relief portion; 1061. a yielding groove; 107. and a positioning table.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, an embodiment of the present invention provides an ultra-thin glass grinding head 100. The ultra-thin glass grinding stone 100 comprises a first rough grinding part 101, a chamfer part 102, a finish grinding part 103 and a mounting part 104; in the rotation axis direction of the grinding head, the first rough grinding part 101, the chamfer part 102, the accurate grinding part 103 and the mounting part 104 are sequentially arranged, the accurate grinding part 103 is closer to the mounting part 104 than the first rough grinding part 101, the outer diameter of the first rough grinding part 101 is smaller than that of the accurate grinding part 103, and two ends of the chamfer part 102 are respectively connected to the first rough grinding part 101 and the accurate grinding part 103.

The ultra-thin glass grinding stone 100 of the present embodiment includes a first rough grinding part 101, a chamfer part 102, a finish grinding part 103, and a mounting part 104. By providing the first rough grinding portion 101, the chamfering portion 102, the finish grinding portion 103, and the mounting portion 104, it is possible to form a grinding stone that gradually performs the first rough grinding, chamfering, and finish grinding on the edge of the ultra-thin glass. Wherein the outer diameter of the first rough grinding part 101 is smaller than that of the fine grinding part 103, and both ends of the chamfering part 102 are connected to the first rough grinding part 101 and the fine grinding part 103, respectively. Adopt this bistrique to add man-hour to ultra-thin glass's edge, carry out preliminary grinding to the glass edge through first corase grinding portion 101, tentatively improve the smooth degree at glass edge, then carry out the chamfer through chamfer 102 to the glass edge and handle, form the chamfer at the glass edge, cooperation through first corase grinding portion 101 and chamfer 102 can form good buffering to the grinding at glass edge, can also effectively avoid glass unusual swing to appear, and then can steadily get rid of the microcrack at glass edge. After chamfering treatment, the edge of the glass is finely ground through the fine grinding part 103, so that microcracks on the edge of the glass are further removed, and the production yield of the ultrathin glass is effectively improved.

It can be understood that when the ultra-thin glass grinding head 100 in the present embodiment is used to grind ultra-thin glass, the grinding head may be mounted to the driving member via the mounting portion 104, and the grinding head rotates under the driving of the driving member, and the edge of the ultra-thin glass is ground by the rotating grinding head.

Further, when it is necessary to grind each side of the ultra-thin glass, the ultra-thin glass may be fixed on the base, and then the first rough grinding process may be performed on each side of the ultra-thin glass by the first rough grinding section 101 of the grinding head in the present embodiment. After the first rough grinding process for each side of the ultra-thin glass is finished, each side of the ultra-thin glass is chamfered by the chamfering section 102 of the grinding head in the present embodiment. After the chamfering process for each edge of the ultra-thin glass is finished, each edge of the ultra-thin glass is subjected to a finish grinding process by the finish grinding portion 103 of the grinding head in this embodiment.

In a specific example, the included angle formed between the first rough grinding portion 101 and the chamfering portion 102 is 150 ° to 155 °. The first rough grinding part 101 and the chamfering part 102 form a certain included angle therebetween, so that the edge of the ultra-thin glass can be well buffered. Optionally, the included angle formed between the first rough grinding portion 101 and the chamfer portion 102 is 150 °, 151 °, 152 °, 153 °, 154 °, or 155 °. Referring to fig. 2 again, in order to further illustrate the included angle formed between the first rough grinding portion 101 and the chamfering portion 102, the included angle formed between the first rough grinding portion 101 and the chamfering portion 102 is denoted by α, where α is 150 ° to 155 °, alternatively, α is 150 °, 151 °, 152 °, 153 °, 154 °, or 155 °.

In another specific example, the outer surface of the first rough grinding portion 101 is coated with a first carborundum rough grinding layer. Specifically, the first carborundum rough grinding layer is 1200 meshes-6000 meshes. Preferably, the first carborundum rough grinding layer is a carborundum rough grinding layer with 2000 meshes to 3000 meshes. For example, the first carborundum rough grinding layer is a 1200-mesh first carborundum rough grinding layer, or a 1500-mesh first carborundum rough grinding layer, or a 2000-mesh first carborundum rough grinding layer, or a 2200-mesh first carborundum rough grinding layer, or a 2500-mesh first carborundum rough grinding layer, or a 2800-mesh first carborundum rough grinding layer, or a 3000-mesh first carborundum rough grinding layer, or a 3500-mesh first carborundum rough grinding layer, or a 4000-mesh first carborundum rough grinding layer, or a 4500-mesh first carborundum rough grinding layer, or a 5000-mesh first carborundum rough grinding layer, or a 5500-mesh first carborundum rough grinding layer.

Further, the outer surface of the chamfered portion 102 is coated with a carborundum chamfer layer. Specifically, the carborundum chamfer layer is 1200 meshes to 6000 meshes. Preferably, the carborundum chamfer layer is 2000 meshes to 3000 meshes. For example, the diamond grain chamfer layer is 1200 mesh diamond grain chamfer layer or 1500 mesh diamond grain chamfer layer or 2000 mesh diamond grain chamfer layer or 2200 mesh diamond grain chamfer layer or 2500 mesh diamond grain chamfer layer or 2800 mesh diamond grain chamfer layer or 3000 mesh diamond grain chamfer layer or 3500 mesh diamond grain chamfer layer or 4000 mesh diamond grain chamfer layer or 4500 mesh diamond grain chamfer layer or 5000 mesh diamond grain chamfer layer or 5500 mesh diamond grain chamfer layer.

In a specific example, the sum of the grinding amounts of the first rough grinding section 101 and the chamfer section 102 to the edge of the ultra-thin glass is 5 μm to 15 μm. Preferably, the sum of the grinding amounts of the first rough grinding part 101 and the chamfered part 102 to the edge of the ultra-thin glass is 10 μm.

Further, the outer surface of the refining section 103 is coated with a layer of wool fibres. In a specific example, the grinding amount of the edge of the ultra-thin glass by the fine grinding section 103 is 3 μm to 10 μm. Alternatively, the grinding amount of the edge of the ultra-thin glass by the fine grinding section 103 is 3 μm to 5 μm.

Referring to fig. 1 and 2 again, in a specific example, the ultra-thin glass grinding head 100 further includes a second rough grinding part 105, both ends of the second rough grinding part 105 are connected to the chamfering part 102 and the finish grinding part 103, respectively, the first rough grinding part 101 has an outer diameter smaller than that of the second rough grinding part 105, and both ends of the chamfering part 102 are connected to the first rough grinding part 101 and the second rough grinding part 105, respectively.

In a specific example, the outer surface of the second rough grinding portion 105 is coated with a second carborundum rough grinding layer. Specifically, the second carborundum rough grinding layer is 1200 meshes-6000 meshes. Preferably, the second carborundum rough grinding layer is a carborundum rough grinding layer with 2000 meshes to 3000 meshes. For example, the second carborundum rough grinding layer is a 1200-mesh second carborundum rough grinding layer, or a 1500-mesh second carborundum rough grinding layer, or a 2000-mesh second carborundum rough grinding layer, or a 2200-mesh second carborundum rough grinding layer, or a 2500-mesh second carborundum rough grinding layer, or a 2800-mesh second carborundum rough grinding layer, or a 3000-mesh second carborundum rough grinding layer, or a 3500-mesh second carborundum rough grinding layer, or a 4000-mesh second carborundum rough grinding layer, or a 4500-mesh second carborundum rough grinding layer, or a 5000-mesh second carborundum rough grinding layer, or a 5500-mesh second carborundum rough grinding layer.

In a specific example, the sum of the grinding amounts of the first rough grinding part 101, the chamfer part 102, and the second rough grinding part 105 to the edge of the ultra-thin glass is 5 μm to 15 μm. Preferably, the sum of the grinding amounts of the first rough grinding part 101, the chamfer part 102, and the second rough grinding part 105 to the edge of the ultra-thin glass is 10 μm.

In a specific example, the outer surface of the first rough grinding section 101 and the outer surface of the second rough grinding section 105 are parallel. Further, the outer surface of the first rough grinding section 101, the outer surface of the second rough grinding section 105, and the outer surface of the finish grinding section 103 are parallel. Further, the outer surface of the second rough grinding portion 105 is flush with the outer surface of the finish grinding portion 103.

In a specific example, the ultra-thin glass grinding stone tip 100 further includes a relief portion 106, both ends of the relief portion 106 are connected to the chamfered portion 102 and the refining portion 103, respectively, the outer diameter of the relief portion 106 is smaller than that of the chamfered portion 102, and the outer diameter of the relief portion 106 is smaller than that of the refining portion 103. At this time, the relief groove 1061 may be formed between the relief portion 106, the chamfer portion 102, and the refining portion 103, and the relief portion 106 may be disposed to separate the chamfer portion 102 and the refining portion 103 well, thereby preventing adverse effects from being generated between the chamfer portion 102 and the refining portion 103 during grinding.

Referring to fig. 1 and 2 again, in another specific example, the ultra-thin glass grinding head 100 further includes a relief portion 106, both ends of the relief portion 106 are connected to the second rough grinding portion 105 and the finish grinding portion 103, respectively, the outer diameter of the relief portion 106 is smaller than the outer diameter of the second rough grinding portion 105, and the outer diameter of the relief portion 106 is smaller than the outer diameter of the finish grinding portion 103. At this time, the relief groove 1061 may be formed between the relief portion 106, the second rough grinding portion 105, and the finish grinding portion 103, and the chamfer portion 102 and the finish grinding portion 103 may be separated well by the arrangement of the relief portion 106, thereby preventing adverse effects from being generated between the second rough grinding portion 105 and the finish grinding portion 103 during grinding.

Referring again to fig. 1 and 2, in another specific example, the grinding wheel further comprises a positioning table 107, and the positioning table 107 is arranged on the mounting portion 104 and protrudes out of the outer surface of the mounting portion 104 to be used for positioning the grinding wheel head. Through the arrangement of the positioning table 107, the grinding head can be accurately and stably installed on other equipment in a clamping mode, an embedding mode and the like. For example, the grinding head can be mounted on a CNC machining device.

Still another embodiment of the present invention provides an ultra-thin glass grinding method using the above ultra-thin glass grinding head 100. The ultra-thin glass grinding head 100 includes a first rough grinding portion 101, a chamfering portion 102, a second rough grinding portion 105, a positioning portion 106, a finishing portion 103, a mounting portion 104, and a positioning table 107. The angle formed between the first rough grinding portion 101 and the chamfer portion 102 is 155 °. The first carborundum rough grinding layer is a 1500-mesh first carborundum rough grinding layer, the carborundum chamfer layer is a 1500-mesh carborundum chamfer layer, the second carborundum rough grinding layer is a 1500-mesh second carborundum rough grinding layer, and the outer surface of the accurate grinding part 103 is coated with a wool fiber layer.

The grinding head is mounted to the CNC machining apparatus through the positioning table 107 and the mounting portion 104. The rotating speed of a main shaft of the CNC machining equipment is 30000 r/min, the radius of a feed/withdrawal cutter is 15mm, the sweeping angle is 45 degrees, and the feed rate is 200 mm/min. The sum of the grinding amounts of the first rough grinding section 101, the chamfer section 102 and the second rough grinding section 105 to the edge of the ultra-thin glass is 10 μm, the chamfer width formed by the chamfer section 102 to the edge of the glass is 10 μm, and the grinding amount of the finish grinding section 103 to the edge of the ultra-thin glass is 10 μm.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims, and the description and drawings can be used to explain the contents of the claims.

Claims

1. An ultrathin glass grinding head is characterized by comprising a first rough grinding part, a chamfering part, a fine grinding part and an installation part; in the pivot direction of bistrique, first corase grind portion chamfer portion accurate grinding portion and the installation department sets gradually, accurate grinding portion is comparatively first corase grind portion is closer to the installation department, the external diameter of first corase grind portion is less than the external diameter of accurate grinding portion, the both ends of chamfer portion connect respectively in first corase grind portion with accurate grinding portion.

2. The ultra-thin glass grinding head according to claim 1, wherein an angle formed between the first rough grinding portion and the chamfer portion is 150 ° to 155 °.

3. The ultra-thin glass grinding head according to claim 1, wherein an outer surface of the first rough grinding portion is coated with a first rough grinding layer of diamond grains.

4. The ultra-thin glass grinding head of claim 1, wherein the outer surface of the chamfer is coated with a layer of corundum chamfer.

5. The ultra-thin glass grinding head according to claim 1, wherein the outer surface of the refining section is coated with a layer of wool fibers.

6. The ultra-thin glass grinding head according to any one of claims 1 to 5, further comprising a second rough grinding part having both ends connected to the chamfering part and the finish grinding part, respectively, the first rough grinding part having an outer diameter smaller than that of the second rough grinding part, and the chamfering part having both ends connected to the first rough grinding part and the second rough grinding part, respectively.

7. The ultra-thin glass grinding head of claim 6, wherein the outer surface of the second rough grinding portion is flush with the outer surface of the finish grinding portion.

8. The ultra-thin glass grinding head according to claim 6, wherein the outer surface of the second rough grinding part is coated with a second carborundum rough grinding layer.

9. The ultra-thin glass grinding head of claim 6, further comprising a relief portion, both ends of the relief portion are connected to the second rough grinding portion and the finish grinding portion, respectively, the relief portion having an outer diameter smaller than that of the second rough grinding portion, and the relief portion having an outer diameter smaller than that of the finish grinding portion.

10. The ultra-thin glass grinding head of any one of claims 1 to 5, further comprising a positioning table, wherein the positioning table is arranged on the mounting portion and protrudes out of the outer surface of the mounting portion for positioning the grinding head.