Mobile terminal 3D protective glass cover thermoforming device

A hot-press forming, mobile terminal technology, applied in glass forming, glass re-forming, glass production and other directions, can solve the problems of high mold cost, reduce product quality, increase production cost, etc., to avoid the problem of product yield decline , the effect of improving quality and yield

Inactive Publication Date: 2017-11-24
GUANGDONG INTELLIGENT ROBOTICS INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the thermal conductivity of nitrogen is low, which easily leads to large temperature gradients, poor temperature control accuracy and temperature control response, which affects product yield, thereby increasing production costs and reducing produ...

Method used

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  • Mobile terminal 3D protective glass cover thermoforming device
  • Mobile terminal 3D protective glass cover thermoforming device
  • Mobile terminal 3D protective glass cover thermoforming device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0064] Such as Figure 1 to Figure 10 As shown in the figure, the mold 200 is sequentially transferred inside the cavity 1 with certain sealing ability and thermal insulation ability, and the mold passes through the auxiliary preheating chamber 2, the first preheating part 3, and the second preheating part in sequence through the conveying mechanism. 4. The third preheating part 5, the forming part 6, the first cooling part 7, the second cooling part 8, and the auxiliary cooling chamber 9, and then carry out staged heating, hot pressing forming and dividing according to the sequence of preheating, forming and cooling. stage cooling.

[0065] The chamber 1 is filled with an inert protective gas whose thermal conductivity is higher than that of pure nitrogen.

[0066] The inert protective gas is a mixed protective gas obtained by mixing nitrogen (N2) and helium (He) in a certain proportion.

[0067] The mold 200 includes a lower mold, an upper mold, and a flat glass 201 made o...

no. 2 example

[0117] Figure 11 A second embodiment of the invention is illustrated, comprising:

[0118] Curved surface molding frame 50 is equipped with curved surface 51 at one or both ends, and the plate-shaped material 52 in the preheated state is placed on the upper surface; fixed part 60 is driven by actuator 61 to move up and down and has the ability to hold the material when forming. 52 is fixed at one end of the fixed rod 62; the pressing part 70 has a pressing piece 72, which is driven by the actuator 71 to move up and down and exerts a biased load on one side of the material 52 during molding, so that the material 52 and the curved surface Part 51 is in close contact to realize curved surface molding.

[0119] The second embodiment constituted in this way does not use a mold body composed of upper and lower molds, but utilizes a curved surface forming frame 50 with an open top to bend and shape the curved surface of the cover glass.

[0120] The fixing part 60 and the pressuri...

no. 3 example

[0124] Figure 12 A third embodiment of the invention is illustrated, comprising:

[0125] Curved surface molding frame 50 is equipped with curved surface 51 at one or both ends, and the plate-shaped material 52 in the preheated state is placed on the upper surface; fixed part 60 is driven by actuator 61 to move up and down and has the ability to hold the material when forming. One end of 52 is fixed to the fixed rod 62; Rolling pressing part 80 is provided with pressing roller 82, and it is moved up and down by the actuator 81 that moves along guide piece in the horizontal direction, with close contact material 52 surface during molding The rolling movement of the state makes the material 52 closely contact with the curved surface 51 to realize the forming of the curved surface.

[0126] The fixing part 60 and the rolling pressing part 80 of the third embodiment are also installed inside the sealed chamber not shown in the figure, and the plate shape in the preheating state ...

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Abstract

The invention relates to a mobile terminal 3D protective glass cover thermoforming device, in particular to a smartphone 3D protective glass cover thermoforming device which can reduce the mould cost and can easily form a plurality of curved surfaces of which the side edges have various radii during production of a plurality of protective glass covers of which the side edges have curved surfaces. The invention mobile terminal 3D protective glass cover thermoforming device can improve the temperature control accuracy and the temperature control responsiveness and reduce the temperature gradient and the mould cost during the production of the protective glass covers of which the side edges have the curved surfaces; a separable mould only directed at pressure forming of a forming part of the protective glass cover and only directed at pressure forming of a forming part of plate glass is provided, so that the thermoforming time is shortened; the mould material of a part in contact with glass is set to be a high-grade material, so that the overall mould cost is reduced; and through adoption of the separable structure, moulds corresponding to forming operations of various shapes can be easily produced.

Description

technical field [0001] The invention relates to a mobile terminal 3D protective glass cover thermoforming device, especially a device that can reduce mold costs and easily form several sides with various radii when making a glass cover glass cover with curved surfaces on several sides The curved surface of the smart phone 3D protective glass cover thermocompression molding device. Background technique [0002] At present, mobile terminals such as smartphones and tablet computers, especially smartphones, are gradually abandoning resin covers for protective covers made of glass, which improves the firmness and aesthetics and improves product quality. [0003] Although flat glass can be made into the required thickness by extrusion method and mass-produced with calender rolls, the glass cover glass with curved surfaces on several sides, such as two or four sides, puts the base material into the lower mold and The upper mold constitutes the internal post-molding of the mold bod...

Claims

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Application Information

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IPC IPC(8): C03B23/03C03B23/035
CPCY02P40/57C03B23/0307C03B23/0305C03B23/0355C03B23/0357
Inventor 张国军倪明堂张乐之
Owner GUANGDONG INTELLIGENT ROBOTICS INST
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