Mask plate for coating automobile glass
By designing the combination of annular mask plate and raised positioning components, the problem of easy deformation and low fit during heat treatment is solved, and efficient coating and low cost production are achieved, which is suitable for large-scale applications.
Patent Information
- Application Number
- CN202323484425.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-20
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-12-20
AI Technical Summary
Existing automotive glass coating mask plates are prone to deformation when heated, have low fit, and are prone to displacement during coating, and have high cost, resulting in low coating efficiency and high preparation cost, making it difficult to meet the needs of large-scale applications.
A mask plate including a mask component and a positioning component was designed. The mask component was an annular structure, with chamfers on the inside and outside, and the positioning component was a convex structure. It is made of stainless steel and the thickness is not more than 1/ of the glass to be coated. 3. The glass edge is masked through the mask member, and the displacement is avoided by the positioning member, thereby improving the fit and operating safety.
It effectively alleviates the problem of heat deformation, improves the fit between the coating plate and glass, avoids displacement during the coating process, realizes lightweight design and efficient coating, reduces the preparation cost, and is suitable for large-scale promotion and application.
Smart Images
Figure CN222160019U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile manufacturing and relates to a mask plate, in particular to a mask plate used for automobile glass coating. Background Art
[0002] At present, with the increasing demand for energy saving in new energy vehicles, heat-insulating and UV-proof glass is widely used in automobile manufacturing, and automobile glass coating has gradually become a necessary option for many new energy vehicle companies. During the use of automobiles, it is inevitable that signals need to be exchanged with the external environment through glass, and the Ag in the coating layer has an interference and shielding effect on the signal. Therefore, when producing automobile coated glass, it is necessary to mask some areas to meet the requirements of signal interaction.
[0003] In the process of automobile glass production, technicians have tried colored glaze screen printing mask and laser film removal. Among them, colored glaze screen printing is expensive and difficult to remove, so it has not been further developed; laser film removal has not been widely used in the field of automobile glass, has a long verification cycle, and has not been recognized by customers, so it is only used as an alternative solution.
[0004] In addition, technicians have also tried to use mask plates to mask the coating of automotive glass. Compared with colored glaze silk screen masks and laser film removal, mask plates are low-cost, easy to process, easy to use, and reusable. However, existing mask plates generally have problems such as easy deformation due to heat, excessive weight, and easy displacement during the coating process. There is still much room for improvement.
[0005] It can be seen that how to provide a mask plate for automotive glass coating, alleviate the thermal deformation phenomenon, improve the fit between the mask plate and the glass, achieve lightweight design, and avoid displacement during the coating process, improve coating efficiency, and reduce preparation costs has become an urgent problem that technical personnel in this field need to solve. Utility Model Content
[0006] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a mask plate for automobile glass coating, which alleviates the thermal deformation phenomenon, improves the fit between the mask plate and the glass, realizes a lightweight design, and avoids displacement during the coating process, thereby improving the coating efficiency, reducing the preparation cost, and facilitating large-scale promotion and application.
[0007] To achieve this purpose, the utility model adopts the following technical solutions:
[0008] The utility model provides a mask plate used for automobile glass coating. The mask plate comprises a mask component and a positioning component.
[0009] The mask component is an annular structure, and both the inner edge and the outer edge are provided with chamfers.
[0010] The positioning component is a convex structure and is arranged on the edge of the mask component.
[0011] The mask plate is a stainless steel plate, and the thickness of the mask component does not exceed 1 / 3 of the thickness of the glass to be coated, for example, it can be 1 / 10, 1 / 9, 1 / 8, 1 / 7, 1 / 6, 1 / 5, 1 / 4 or 1 / 3, but is not limited to the listed values, and other unlisted values within the numerical range are also applicable.
[0012] The mask plate provided by the utility model performs masking treatment on the edge of the glass to be coated by means of a mask component, and at the same time avoids displacement of the mask plate during the coating process with the help of a positioning component, thereby improving the fit between the mask plate and the glass; the chamfers arranged on the inner edge of the mask component effectively solve the color difference problem caused by the coating edge effect, and the chamfers arranged on the outer edge avoid cuts to the operator when taking the mask plate, thereby improving the operational safety; the mask plate made of stainless steel is not easy to deform in a heated environment, and the limited thickness of the mask component realizes a lightweight design, which significantly improves the coating efficiency and reduces the preparation cost, thereby facilitating large-scale promotion and application.
[0013] Preferably, the distance between the inner edge and the outer edge of the mask component is 2-8 cm, for example, it can be 2 cm, 2.5 cm, 3 cm, 3.5 cm, 4 cm, 4.5 cm, 5 cm, 5.5 cm, 6 cm, 6.5 cm, 7 cm, 7.5 cm or 8 cm, but is not limited to the listed values, and other unlisted values within the numerical range are also applicable.
[0014] Preferably, the inner corners of the mask component are set to be right angles or rounded corners.
[0015] Preferably, the outer dimension of the mask component is not less than the edge dimension of the glass to be coated, that is, the outer dimension of the mask component is ensured to completely cover the edge of the glass to be coated.
[0016] Preferably, the degree of the chamfer is 30°-60°, for example, it can be 30°, 32°, 34°, 35°, 36°, 38°, 40°, 42°, 44°, 45°, 46°, 48°, 50°, 52°, 54°, 55°, 56°, 58° or 60°, but is not limited to the listed values, and other unlisted values within the numerical range are also applicable.
[0017] Preferably, the positioning component includes a positioning pin, a positioning bar or a positioning block.
[0018] Preferably, the positioning strip has a straight line shape and / or an L shape.
[0019] Preferably, the stainless steel plate comprises a 304 stainless steel plate.
[0020] Preferably, the surface flatness of the mask component is ≤0.4 mm, for example, it can be 0 mm, 0.05 mm, 0.1 mm, 0.15 mm, 0.2 mm, 0.25 mm, 0.3 mm, 0.35 mm or 0.4 mm, but is not limited to the listed values, and other unlisted values within the numerical range are also applicable.
[0021] Preferably, the surface roughness of the mask component is ≥1.8, for example, it can be 1.8, 1.85, 1.9, 1.95, 2, 2.05, 2.1, 2.15, 2.2, 2.25, 2.3, 2.35, 2.4, 2.45 or 2.5, but is not limited to the listed values, and other unlisted values within the numerical range are also applicable.
[0022] Compared with the prior art, the beneficial effects of the utility model are:
[0023] The mask plate provided by the utility model performs masking treatment on the edge of the glass to be coated by means of a mask component, and at the same time avoids displacement of the mask plate during the coating process with the help of a positioning component, thereby improving the fit between the mask plate and the glass; the chamfers arranged on the inner edge of the mask component effectively solve the color difference problem caused by the coating edge effect, and the chamfers arranged on the outer edge avoid cuts to the operator when taking the mask plate, thereby improving the operational safety; the mask plate made of stainless steel is not easy to deform in a heated environment, and the limited thickness of the mask component realizes a lightweight design, which significantly improves the coating efficiency and reduces the preparation cost, thereby facilitating large-scale promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 A schematic diagram of the mask structure provided in Example 1;
[0025] Figure 2 A schematic diagram of the mask structure provided in Example 2;
[0026] Figure 3 A schematic diagram of the mask structure provided in Example 3;
[0027] Figure 4 A schematic diagram of the mask structure provided in Example 4;
[0028] Figure 5 This is a schematic diagram of the mask plate structure provided in Example 5.
[0029] Among them: 1-inner edge; 2-outer edge; 3-L-shaped positioning strip; 4-straight positioning strip; 5-positioning pin; 6-positioning block. DETAILED DESCRIPTION
[0030] It should be understood that, in the description of the present invention, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing 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 therefore cannot be understood as a limitation on the present invention.
[0031] It should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0032] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.
[0033] Example 1
[0034] This embodiment provides a mask plate for automobile glass coating, such as Figure 1 As shown, the mask plate includes a mask component and a positioning component. The mask component is an annular structure, and both the inner edge 1 and the outer edge 2 are provided with chamfers (not shown in the figure); the positioning component is an L-shaped positioning strip 3 with a convex structure, and is arranged at the edge of the mask component. The mask plate is a 304 stainless steel plate, and the thickness of the mask component is 1 / 4 of the thickness of the glass to be coated.
[0035] In this embodiment, the distance between the inner edge 1 and the outer edge 2 of the mask component is 3 cm; the inner corner of the mask component is rounded; the outer edge size of the mask component is 0.2 cm larger than the edge size of the glass to be coated; the chamfer angles of the inner edge 1 and the outer edge 2 are both 45°.
[0036] In this embodiment, the surface flatness of the mask component is 0.3 mm, and the surface roughness is 2.0.
[0037] Example 2
[0038] This embodiment provides a mask plate for automobile glass coating, such as Figure 2As shown, the mask plate includes a mask component and a positioning component. The mask component is an annular structure, and both the inner edge 1 and the outer edge 2 are provided with chamfers (not shown in the figure); the positioning component is a linear positioning strip 4 with a convex structure, and is arranged at the edge of the mask component. The mask plate is a 304 stainless steel plate, and the thickness of the mask component is 1 / 3 of the thickness of the glass to be coated.
[0039] In this embodiment, the distance between the inner edge 1 and the outer edge 2 of the mask component is 2 cm; the inner corner of the mask component is set to a right angle; the outer dimension of the mask component is 0.1 cm larger than the edge dimension of the glass to be coated; the chamfer angles of the inner edge 1 and the outer edge 2 are both 30°.
[0040] In this embodiment, the surface flatness of the mask component is 0.4 mm, and the surface roughness is 1.8.
[0041] Example 3
[0042] This embodiment provides a mask plate for automobile glass coating, such as Figure 3 As shown, the mask plate includes a mask component and a positioning component. The mask component is an annular structure, and both the inner edge 1 and the outer edge 2 are provided with chamfers (not shown in the figure); the positioning component is a positioning pin 5 with a convex structure, and is arranged at the edge of the mask component. The mask plate is a 304 stainless steel plate, and the thickness of the mask component is 1 / 5 of the thickness of the glass to be coated.
[0043] In this embodiment, the distance between the inner edge 1 and the outer edge 2 of the mask component is 8 cm; the inner corner of the mask component is rounded; the outer edge size of the mask component is 0.1 cm larger than the edge size of the glass to be coated; the chamfer angles of the inner edge 1 and the outer edge 2 are both 60°.
[0044] In this embodiment, the surface flatness of the mask component is 0.2 mm, and the surface roughness is 2.2.
[0045] Example 4
[0046] This embodiment provides a mask plate for automobile glass coating, such as Figure 4 As shown, the mask plate includes a mask component and a positioning component. The mask component is an annular structure, and both the inner edge 1 and the outer edge 2 are provided with chamfers (not shown in the figure); the positioning component is a positioning block 6 with a convex structure, and is arranged at the edge of the mask component. The mask plate is a 304 stainless steel plate, and the thickness of the mask component is 1 / 4 of the thickness of the glass to be coated.
[0047] In this embodiment, the distance between the inner edge 1 and the outer edge 2 of the mask component is 6 cm; the inner corner of the mask component is set to a right angle; the outer dimension of the mask component is 0.1 cm larger than the edge dimension of the glass to be coated; the chamfer angles of the inner edge 1 and the outer edge 2 are both 45°.
[0048] In this embodiment, the surface flatness of the mask component is 0.3 mm, and the surface roughness is 2.0.
[0049] Example 5
[0050] This embodiment provides a mask plate for automobile glass coating, such as Figure 5 As shown, the mask plate includes a mask component and a positioning component. The mask component is annular, and both the inner edge 1 and the outer edge 2 are provided with chamfers (not shown in the figure); the positioning component is an L-shaped positioning bar 3 and a straight positioning bar 4 of a convex structure, and the L-shaped positioning bar 3 is provided at the four corners of the mask component, and the straight positioning bar 4 is provided at the center of the four sides of the mask component. The mask plate is a 304 stainless steel plate, and the thickness of the mask component is 1 / 4 of the thickness of the glass to be coated.
[0051] In this embodiment, the distance between the inner edge 1 and the outer edge 2 of the mask component is 3 cm; the inner corner of the mask component is rounded; the outer edge size of the mask component is 0.2 cm larger than the edge size of the glass to be coated; the chamfer angles of the inner edge 1 and the outer edge 2 are both 45°.
[0052] In this embodiment, the surface flatness of the mask component is 0.3 mm, and the surface roughness is 2.0.
[0053] Application Examples 1-5
[0054] This group of application examples respectively uses the mask plates provided in Examples 1-5 to perform masking treatment on the coating of automobile glass, and the specific methods are as follows:
[0055] Clean the surface of the mask plate and inspect its appearance and size. After the automobile glass is cleaned by the cleaning machine, it is transferred to the synchronous belt position of the overpass platform. The synchronous belt is raised and transferred to the position where the mask plate is placed. The pre-cleaned mask plate is manually placed on the automobile glass to confirm that the automobile glass has been embedded in the positioning parts of the mask plate. Then the synchronous belt is reversed to the transmission platform for the next coating process.
[0056] After the coating process is completed, the mask plate is manually removed and placed on a transfer cart for standby use.
[0057] Check the flatness of the mask plate regularly, and use a special platform and special tools to correct the mask plate that exceeds the flatness standard so that it can be recycled and reused later.
[0058] It can be seen that the mask plate provided by the utility model masks the edge of the glass to be coated by means of the mask component, and at the same time avoids displacement of the mask plate during the coating process with the help of the positioning component, thereby improving the fit between the mask plate and the glass; the chamfer set on the inner edge of the mask component effectively solves the color difference problem caused by the edge effect of the coating, and the chamfer set on the outer edge avoids cuts to the operator when taking the mask plate, thereby improving the operational safety; the mask plate made of stainless steel is not easy to deform in a heated environment, and the limited thickness of the mask component realizes a lightweight design, which significantly improves the coating efficiency and reduces the preparation cost, which is conducive to large-scale promotion and application.
[0059] The applicant declares that the above is only a specific implementation method of the present utility model, but the protection scope of the present utility model is not limited thereto. The technicians in the relevant technical field should understand that any changes or substitutions that can be easily thought of by the technicians in the relevant technical field within the technical scope disclosed in the present utility model fall within the protection scope and disclosure scope of the present utility model.
Claims
1. A mask plate for automobile glass coating, characterized in that: The mask plate includes a mask component and a positioning component; The mask component is annular in structure, and both the inner and outer edges are provided with chamfers; The positioning component is a convex structure and is arranged on the edge of the mask component; The mask plate is a stainless steel plate, and the thickness of the mask component does not exceed 1 / 3 of the thickness of the glass to be coated.
2. The mask plate according to claim 1, characterized in that: The distance between the inner edge and the outer edge of the mask component is 2-8 cm.
3. The mask plate according to claim 1, characterized in that: The inner corners of the mask component are set to be right angles or rounded corners.
4. The mask plate according to claim 1, characterized in that: The outer dimension of the mask component is not less than the edge dimension of the glass to be coated.
5. The mask plate according to claim 1, characterized in that: The degree of the chamfer is 30°-60°.
6. The mask plate according to claim 1, characterized in that: The positioning component includes a positioning pin, a positioning bar or a positioning block.
7. The mask plate according to claim 6, characterized in that: The positioning strip may have a straight line shape and / or an L shape.
8. The mask plate according to claim 1, characterized in that: The stainless steel plate includes a 304 stainless steel plate.
9. The mask plate according to claim 1, characterized in that: The surface flatness of the mask component is ≤0.4 mm.
10. The mask plate according to claim 1, characterized in that: The surface roughness of the mask component is ≥1.8.