Optical glass element forming mold and secondary profiling device
A technology for molding molds and optical glass, which is applied in glass molding, glass reshaping, glass manufacturing equipment, etc., and can solve problems such as waste of heat energy and slow heating speed
Pending Publication Date: 2022-07-15
成都晶华光电科技股份有限公司
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Problems solved by technology
"Although it also uses electric heating to heat the mold, it uses the diffusion of heat energy to heat the mold. Not only the heating speed is slow, but also the heat energy is dispersed to the surrounding during the heating process, which wastes a lot of energy. more heat
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[0036] All features disclosed in this specification, or all disclosed steps in a method or process, may be combined in any way except mutually exclusive features and / or steps.
[0037] Combine below Figure 1 to Figure 7 The present invention will be described in detail.
[0038] Please refer to Figure 1 to Figure 5 As shown, an optical glass element forming mold includes an upper mold assembly 100 and a lower mold assembly 110, the upper mold assembly 100 is located above the lower mold assembly 110, the upper mold assembly 100 includes at least one male mold 101, and the lower mold assembly 110 includes at least one A female mold 111, the male mold 101 can move downward, and protrude into the female mold 111. The upper mold assembly 100 is further provided with a first heating device 130 , and the first heating device 130 can heat the male mold 101 . The lower mold assembly 110 further includes a base 113 , a second heating device 150 is disposed above the base 113 , and...
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The invention discloses an optical glass element forming mold and a secondary profiling device, an upper mold assembly is also provided with a first heating device, the first heating device can heat a male mold, a lower mold assembly also comprises a base, a second heating device is arranged above the base, and the second heating device can heat the male mold. The second heating device comprises a heating cavity and a second heating coil arranged in a spiral shape, the second heating coil is located in the heating cavity, the female die is located in the second heating coil, the lower end of the female die penetrates through the bottom face of the heating cavity to be connected with the base, and the second heating device can heat the female die. The second heating coil is electrified, and a high-frequency magnetic field is generated in the heating coil, so that the female die in the coil is changed into a heated medium and is induced by the magnetic field to generate heat. The device is simple in structure, a worker can change the heating temperature of the first heating device and the second heating device according to actual needs, the heating process is more stable and reliable, the temperature change is small, accurate control over the mold temperature is achieved, and therefore the quality of optical elements is improved.
Description
technical field [0001] The invention relates to the technical field of optical glass element manufacturing, in particular to an optical glass element molding die, in particular to an optical glass element molding die and a secondary pressing device. Background technique [0002] With the rapid development of aerospace, optical communication and other fields, as well as the rapid growth of market demand for various optical systems such as medical microscope systems, projectors, scanners and mobile phones, optical glass components are the main components of various optical systems. Demand surged. [0003] Optical glass elements are made of optical glass. Optical glass is suitable for making glass materials for parts such as lenses, prisms, and mirrors of optical instruments or mechanical systems, including colorless optical glass, colored optical glass, and radiation-proof glass. Optical glass has high transparency, high chemical and physical uniformity, and has specific and...
Claims
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IPC IPC(8): C03B23/03
CPCC03B23/0305
Inventor 张金铭项中科李强熊胜
Owner 成都晶华光电科技股份有限公司