A polishing method for hot bending graphite mold of mobile phone glass panel
A technology for glass panels and graphite molds, which is applied to surface polishing machine tools, grinding machine parts, grinding/polishing equipment, etc. It can solve problems such as slow speed, surface scratches, and inability to guarantee the sameness of mold polishing.
Active Publication Date: 2021-04-23
SHENZHEN UNIV
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Problems solved by technology
[0005] In the above methods, manual polishing is required in the polishing process, and the automatic polishing of the whole process of equipment cannot be realized. Manual polishing is not only slow, but also easily damages the flatness of the mold during the manual polishing process, and cannot guarantee the uniformity of mold polishing.
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[0044] The hot-bending graphite mold 1 for the mobile phone glass panel of the embodiment of the present invention includes a convex mold 1A and a concave mold 1B. The shapes of punch 1A and die 1B are as follows Figure 11 and Figure 12 As shown, the core part of the punch 1A includes two arc-shaped long sides 11 , two arc-shaped short sides 12 , a convex plane 13 and four convex corners 14 . The core part of the die 1B includes two arc-shaped long sides 15 , two arc-shaped short sides 16 , a concave plane 17 and four convex corners 18 .
[0045] Such as Figure 1 to Figure 6 As shown, the three-axis polishing equipment of the mobile phone glass panel hot-bending graphite mold 1 of the embodiment of the present invention includes a frame 100, an X-axis motion mechanism 30, a Y-axis motion mechanism 40, a Z-axis motion mechanism 50, a main shaft 60, a spray system, and a clamp 70 and the control circuit.
[0046] The X-axis motion mechanism 30 is installed at the bottom o...
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The invention discloses a polishing method for a hot-bending graphite mold of a mobile phone glass panel, which includes three-axis polishing equipment, the main shaft is vertically installed on the Z-axis movement mechanism, the polishing head is installed on the lower end of the main shaft, and is driven to rotate by the main shaft; as a workpiece The graphite mold is fixed on the fixture of the three-axis polishing equipment, located below the main shaft; the vertical pressure between the polishing head and the workpiece is used as the basis for the Z-axis movement mechanism to rise and fall, when the vertical pressure between the polishing head and the workpiece is less than the first When the pressure value is set, the Z-axis motion mechanism drives the spindle and the polishing head to feed downwards according to the set Z-axis feed rate. When the vertical pressure between the polishing head and the workpiece is greater than the second set pressure value , the Z-axis motion mechanism drives the main shaft and the polishing head to feed upwards according to the set Z-axis feed rate. The invention controls the feed of the Z axis by detecting the vertical pressure between the polishing head and the workpiece, can realize automatic polishing of equipment, has simple control method, high polishing efficiency and good polishing quality.
Description
[technical field] [0001] The invention relates to the processing of a hot-bending graphite mold for a mobile phone glass panel, in particular to a polishing method for a hot-bending graphite mold for a mobile phone glass panel. [Background technique] [0002] Under the high temperature and pressure of the hot bending machine, the flat glass raw material is bent and formed in the graphite hot bending mold to form the curved glass panel of the mobile phone. The graphite mold includes a concave mold and a convex mold. The concave mold and the convex mold are processed by a high-speed graphite machine. The surface quality of the processed mold is poor and needs to be polished before it can be used. [0003] The invention with the application number CN201610394549.2 provides a method for preparing graphite molds for glass panel molding, which includes first CNC processing graphite blocks to obtain shaped graphite blocks. The block is subjected to inclined CNC machining. In the i...
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IPC IPC(8): B24B29/02B24B41/02B24B51/00B24B55/00
CPCB24B29/02B24B41/02B24B51/00B24B55/00
Inventor 黄虹宾侯景鹏方舟陈永平方诚明张超
Owner SHENZHEN UNIV