Double-sided overlapping cutting process of glass dicing machine and its application

Abstract

This invention relates to the technical field of C03B33 / 02, specifically to a double-sided overlapping cutting process for a glass dicing machine and its application, comprising at least the following steps: installation of positioning blocks; drawing and programming of the dicing equipment; product processing; product dicing; effectively solving the problem of double-sided overlapping dicing process for double-sided coated glass, achieving highly overlapping double-sided cutting, and the protective film can be left on during the cutting process, significantly improving product smoothness and yield.

Description

Technical Field

[0001] This invention relates to the technical field of C03B33 / 02, specifically to a double-sided overlapping cutting process for a glass dicing machine and its application. Background Technology

[0002] In the daily use of glass, it is necessary to cut it according to the shape of the product. The cutting process plays an indispensable role in improving production efficiency and product qualification rate. For example, Chinese patent application (publication number CN111499178A) discloses a glass cutting process, which mainly optimizes the process for cutting multiple pieces of glass at the same time. Specifically, it uses glass glue to fill the gaps between each layer of glass to achieve the positioning and cutting of multi-layer glass. However, for glass with high requirements for surface appearance quality, glass manufacturers will adsorb electrostatic film on both sides of large glass sheets for protection. Figure 1 However, when the customer's required size differs from the standard sheet size, a glass dicing machine is needed to reshape and cut it to meet the customer's size requirements. Currently, the dicing machine can only cut one side of the film and glass, while the other side of the film cannot be cut. In this case, it is necessary to manually cut it with a blade, which inevitably involves lifting the film. Figure 2 Glass shavings can enter the film layer during operation. When they are stacked together or subjected to a certain force, the glass shavings rub against or squeeze the glass surface, resulting in poor pressure points on the glass surface. Summary of the Invention

[0003] To address the aforementioned issues, this invention provides a double-sided overlapping cutting process for glass dicing machines, effectively solving the problem of overlapping dicing on both sides of coated glass. This process achieves highly overlapping double-sided cutting, and the protective film can be left on during the cutting process, significantly improving product smoothness and yield.

[0004] This invention provides a double-sided overlapping cutting process for a glass dicing machine, which includes at least the following steps: installation of positioning blocks; drawing and programming of the dicing equipment; product processing; and product dicing.

[0005] As a preferred technical solution, the positioning block is a point-alignment positioning block and / or a line-edge alignment positioning block;

[0006] Preferably, the positioning block is a point-alignment positioning block, which is selected from an arc-shaped point-shaped positioning block or an angular point-shaped positioning block. Preferably, the point-alignment positioning block is an arc-shaped point-shaped positioning block, and the specific details of the arc-shaped point-shaped positioning block can be found in [reference needed]. Figure 3 .

[0007] As a preferred technical solution, the number of positioning blocks is 4-8.

[0008] As a preferred technical solution, the position of the positioning block is determined according to the product size.

[0009] Preferably, the number of positioning blocks is 6, including positioning block 1 at point A, positioning block 2 at point B, positioning block 3 at point C, positioning block 4 at point D, positioning block 5 at point E, and positioning block 6 at point F; the positions of the positioning blocks are shown below. Figure 4 .

[0010] Preferably, the positioning block must simultaneously meet the following fixing principles:

[0011] a. The line AB connecting the vertices of positioning block 1 at point A and positioning block 2 at point B is parallel to the Y-axis of the main axis, with a difference of <0.02mm in the X-axis; the line CD connecting the vertices of positioning block 3 at point C and positioning block 4 at point D is parallel to the Y-axis of the main axis, with a difference of <0.02mm in the X-axis; the line EF connecting the vertices of positioning block 5 at point E and positioning block 6 at point F is parallel to the X-axis of the main axis, with a difference of <0.02mm in the Y-axis.

[0012] b. The line AC connecting the vertices of positioning block 1 at point A and positioning block 3 at point C is parallel to the line BD connecting the vertices of positioning block 2 at point B and positioning block 4 at point D and is parallel to the X-axis of the main axis, with a difference of <0.02mm in the Y-axis.

[0013] c. The length difference between the line AE connecting the vertices of positioning block 1 at point A and positioning block 5 at point E and the line CF connecting the vertices of positioning block 3 at point C and positioning block 6 at point F is <2mm.

[0014] Preferably, AC and BD are of equal length and are determined by the product width; preferably, AC = BD > product width; more preferably, AC = BD > twice the product width.

[0015] The process provided by this invention uses six arc-shaped dot-shaped positioning blocks suitable for positioning and cutting products of various sizes, effectively reducing the positioning error caused by uneven edges of the large glass sheet before dicing. Furthermore, the positional distribution of the six positioning blocks can be determined based on the product size. The positioning blocks are set and fixed according to the aforementioned positioning principles, ensuring the high overlap of the double-sided cutting of the product. In particular, while controlling the length difference between AE and CF to be <2mm, and controlling AC = BD > twice the product width, the overlap of the dicing lines on both sides is high, the protective film is intact and free from warping, glass shards cannot enter the film layer, and the product yield is significantly improved.

[0016] As a preferred technical solution, the drawing and programming of the dicing equipment specifically includes the following steps:

[0017] S1. Obtain the distance AC=BD by measurement, then draw the large plate size and small cutting size before dicing in CAD software, and then use half of the AC=BD distance as the center line to mirror all the graphics to the other side, so as to achieve symmetrical mirror flipping in the software and processing path.

[0018] S2. Set the working origin to the upper left corner.

[0019] The drawings obtained from the dicing equipment drawing and program design are shown in [reference]. Figure 5 .

[0020] Since the drawings obtained from the dicing equipment's drawing and programming are based on the actual positioning blocks and product size, the cutting error during actual operation can be greatly reduced, ensuring the accuracy of product cutting.

[0021] As a preferred technical solution, the product processing specifically includes the following steps:

[0022] (1) See Figure 6 Place product points 1, 2, and 3 against points A, B, and E respectively, and set the origin of the cutter to the upper left corner to complete the cutting of surface 1.

[0023] (2) See Figure 7 Loosen the product and flip it symmetrically along the AC (BD) center line;

[0024] (3) See Figure 8 Points 4, 5, and 6 are brought close to points D, C, and F respectively, and then the film and glass are cut through by scribing.

[0025] The cutting process provided by this invention is based on matching mirror overlap cutting under the positioning of a specific positioning block, which completes the precise overlap of the tangents on the two sides of double-sided coated glass. This effectively avoids the appearance quality problems of the cut product caused by poor double-sided cutting overlap accuracy, reduces a lot of economic losses, and has high market promotion value and application prospects.

[0026] As a preferred technical solution, the product splitting specifically involves manually splitting the diced product into smaller finished products.

[0027] Another aspect of the present invention provides an application of a glass dicing machine for double-sided overlapping cutting, applicable to double-sided overlapping cutting of double-sided coated glass with a thickness range of 0.2-2.0mm.

[0028] Beneficial effects

[0029] 1. This invention provides a double-sided overlapping cutting process for a glass dicing machine, which effectively solves the problem of double-sided overlapping dicing process for double-sided coated glass, achieves high double-sided overlapping cutting, and the protective film can be left on during the cutting process, significantly improving the smoothness and yield of the product.

[0030] 2. Under the process provided by the present invention, the six arc-shaped dot-shaped positioning blocks are suitable for positioning and cutting products of various sizes, effectively reducing the impact of positioning errors caused by uneven edges of large glass panels before dicing.

[0031] 3. The process provided by the present invention can determine the position distribution of the 6 positioning blocks based on the product size, set and fix the positioning blocks according to the above positioning principle, and ensure the height overlap of the double-sided cutting of the product.

[0032] 4. The cutting process provided by this invention controls the length difference between AE and CF to be less than 2mm while controlling AC=BD to be greater than twice the product width. The overlap of the dicing lines on both sides is high, the protective film is intact and does not peel up, and glass shards cannot enter the film layer, thus greatly improving the product yield.

[0033] 5. The cutting process provided by this invention is based on matching mirror overlap cutting under the positioning of a specific positioning block, which completes the precise overlap of the tangents on the two sides of double-sided coated glass. This effectively avoids the appearance quality problems of the cut product caused by poor double-sided cutting overlap accuracy, reduces a lot of economic losses, and has high market promotion value and application prospects. Attached Figure Description

[0034] Figure 1 This is a picture of a double-sided coated glass product.

[0035] Figure 2 This is a diagram of the manual cutting operation for Comparative Example 1.

[0036] Figure 3 This is a product image of an arc-shaped dot-shaped positioning block.

[0037] Figure 4 This is a diagram showing the fixed position of the positioning block in Example 1.

[0038] Figure 5 Drawings obtained from the drafting and programming of the dicing equipment.

[0039] Figure 6 This is a schematic diagram of the product processing steps (1) in Example 1.

[0040] Figure 7 This is a schematic diagram of the product processing steps (2) in Example 1.

[0041] Figure 8 This is a schematic diagram of the product processing steps (3) in Example 1.

[0042] Figure 9 This is a finished product image of a small-sized product from Example 1.

[0043] Figure 10 This is a finished product image of a small-sized model, which is shown in Comparative Example 1. Detailed Implementation

[0044] Example 1

[0045] Embodiment 1 of the present invention provides a double-sided overlapping cutting process for a glass dicing machine, comprising the following steps: installation of positioning blocks; drawing and programming of the dicing equipment; product processing; and product dicing.

[0046] The positioning block is a point-alignment positioning block, which is an arc-shaped point-like positioning block. For details, please refer to [link / reference needed]. Figure 3 .

[0047] The number of positioning blocks is 6, including positioning block 1 at point A, positioning block 2 at point B, positioning block 3 at point C, positioning block 4 at point D, positioning block 5 at point E, and positioning block 6 at point F; the positions of the positioning blocks are shown below. Figure 4 .

[0048] The positioning block must simultaneously meet the following fixing principles:

[0049] a. The line AB connecting the vertices of positioning block 1 at point A and positioning block 2 at point B is parallel to the Y-axis of the main axis, with a difference of 0.01mm in the X-axis; the line CD connecting the vertices of positioning block 3 at point C and positioning block 4 at point D is parallel to the Y-axis of the main axis, with a difference of 0.01mm in the X-axis; the line EF connecting the vertices of positioning block 5 at point E and positioning block 6 at point F is parallel to the X-axis of the main axis, with a difference of 0.01mm in the Y-axis.

[0050] b. The line AC connecting the vertices of positioning block 1 at point A and positioning block 3 at point C is parallel to the line BD connecting the vertices of positioning block 2 at point B and positioning block 4 at point D and is parallel to the X-axis of the main axis, with a difference of 0.01mm in the Y-axis.

[0051] c. The length difference between the line AE connecting the vertices of positioning block 1 at point A and positioning block 5 at point E and the line CF connecting the vertices of positioning block 3 at point C and positioning block 6 at point F is 0.01 mm.

[0052] AC and BD are of equal length and are determined by the product width; AC = BD is 2.1 times the product width.

[0053] The product specifications are length × width × thickness = 420mm × 250mm × 0.2mm.

[0054] The drawing and programming of the dicing equipment specifically includes the following steps:

[0055] S1. Obtain the distance AC=BD by measurement, then draw the large plate size and small cutting size before dicing in CAD software, and then use half of the AC=BD distance as the center line to mirror all the graphics to the other side, so as to achieve symmetrical mirror flipping in the software and processing path.

[0056] S2. Set the working origin to the upper left corner.

[0057] The drawings obtained from the dicing equipment drawing and program design are shown in [reference]. Figure 5 .

[0058] The product processing specifically includes the following steps:

[0059] (1) See Figure 6 Place product points 1, 2, and 3 against points A, B, and E respectively, and set the origin of the cutter to the upper left corner to complete the cutting of surface 1.

[0060] (2) See Figure 7 Loosen the product and flip it symmetrically along the AC (BD) center line;

[0061] (3) See Figure 8 Points 4, 5, and 6 are brought close to points D, C, and F respectively, and then the film and glass are cut through by scribing.

[0062] The product splitting process specifically involves manually splitting the diced product into smaller finished products (length × width × thickness = 80mm × 80mm × 0.2mm). See the attached image for details on the smaller finished products. Figure 9 .

[0063] Comparative Example 1

[0064] Comparative Example 1 of this invention uses a dicing machine to cut double-sided coated glass on one side. After the glass is cut, it is split into pieces to expose the film on the other side. Then, the film on the other side is manually cut open with a blade. See the finished product. Figure 10 .

[0065] Performance testing methods

[0066] Product qualification rate: Using the processes provided in the examples and comparative examples, 5000 pieces of double-sided coated glass (with specifications corresponding to those in the examples) were cut into small-sized finished products. If the dicing lines on both sides of the cut have a high degree of overlap, the protective film is intact, and there is no peeling, the product is recorded as "qualified". The product qualification rate is calculated based on the ratio of the number of qualified products after actual processing to the total number of processed products. The results are shown in Table 1.

[0067] Table 1

[0068]

Claims

1. A double-sided overlapping cutting process for a glass dicing machine, characterized in that, The process includes at least the following steps: installation of positioning blocks; drawing and programming of the dicing equipment; product processing; product dicing; the positioning blocks are point-positioning blocks, selected from arc-shaped or angular point-positioning blocks; the number of positioning blocks is 6, including point A positioning block 1, point B positioning block 2, point C positioning block 3, point D positioning block 4, point E positioning block 5, and point F positioning block 6; the positioning blocks must simultaneously meet the following fixing principles: a. The line AB connecting the vertices of positioning block 1 at point A and positioning block 2 at point B is parallel to the Y-axis of the main axis, with a difference of <0.02mm in the X-axis; the line CD connecting the vertices of positioning block 3 at point C and positioning block 4 at point D is parallel to the Y-axis of the main axis, with a difference of <0.02mm in the X-axis; the line EF connecting the vertices of positioning block 5 at point E and positioning block 6 at point F is parallel to the X-axis of the main axis, with a difference of <0.02mm in the Y-axis. b. The line AC connecting the vertices of positioning block 1 at point A and positioning block 3 at point C is parallel to the line BD connecting the vertices of positioning block 2 at point B and positioning block 4 at point D and is parallel to the X-axis of the main axis. The difference in the Y-axis is <0.02mm. c. The length difference between the line AE connecting the vertices of positioning block 1 at point A and positioning block 5 at point E and the line CF connecting the vertices of positioning block 3 at point C and positioning block 6 at point F is <2mm. The AC and BD are of equal length and are greater than the product width.

2. The double-sided overlapping cutting process for a glass dicing machine according to claim 1, characterized in that, The position of the positioning block is determined according to the product size.

3. An application of a double-sided overlapping cutting process for a glass dicing machine according to any one of claims 1-2, characterized in that, It is used for double-sided overlapping cutting of double-sided coated glass with a thickness range of 0.2-2.0mm.

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