阅读说明：本技术 一种3d曲面玻璃热弯装置 (3D curved surface glass hot bending device ) 是由 白曜诚 于 2019-10-12 设计创作，主要内容包括：本发明公开了一种3D曲面玻璃热弯装置,包括：下模座、上模座,下模座上设置有相匹配挤压装配安装的上模座,下模座的顶端面、上模座的底端面中间位置处分别设有一体结构的下凸台、上凹腔,下凸台、上凹腔的两侧边分别为下曲面侧边、上曲面侧边,上曲面侧边的外部两侧且位于上模座的底端面上对称开设有凹槽,所开设的凹槽内安装设有压块,上模座上开设有与凹槽相连通的伸缩杆通道,所开设的伸缩杆通道内插设安装有加长伸缩杆,加长伸缩杆的底端固定连接压块,加长伸缩杆的顶端安装设置在气缸的腔室内。采用本技术方案,使得玻璃的曲面侧边与下曲面侧边、上曲面侧边贴合紧实,实现热弯玻璃成型精度操作,有利于提高生产加工效率。(The invention discloses a 3D curved surface glass hot bending device, which comprises: the die holder, the upper die base, be provided with the upper die base of phase-match extrusion assembly installation on the die holder, the top face of die holder, bottom face intermediate position department of upper die base is equipped with the lower boss of a body structure respectively, go up the cavity, lower boss, the both sides limit of going up the cavity is lower curved surface side respectively, go up the curved surface side, the outside both sides of going up the curved surface side just are located the bottom face of upper die base and are seted up flutedly, the installation is equipped with the briquetting in the recess seted up, set up the telescopic link passageway that is linked together with the recess on the upper die base, the telescopic link passageway interpolation of seting up has installed and has lengthened telescopic link, the bottom fixed connection briquetting of lengthened telescopic link, the top installation of lengthened telescopic link. By adopting the technical scheme, the curved surface side edge of the glass is tightly attached to the lower curved surface side edge and the upper curved surface side edge, so that the hot-bending glass forming precision operation is realized, and the production and processing efficiency is favorably improved.)

1. A3D curved glass hot bending device, comprising: the die comprises a lower die holder (1) and an upper die holder (2), and is characterized in that the lower die holder (1) is provided with the upper die holder (2) which is matched with the upper die holder in an extrusion assembly manner, the top end surface of the lower die holder (1) and the bottom end surface of the upper die holder (2) are respectively and correspondingly provided with a plurality of threaded holes (100) and jacks (200), the arranged threaded holes (100) are in threaded fit with the bottom end of a connecting column (5), the top end of the connecting column (5) is positioned, inserted and arranged in the jacks (200), the middle positions of the top end surface of the lower die holder (1) and the bottom end surface of the upper die holder (2) are respectively provided with a lower boss (3) and an upper cavity (4) which are of an integrated structure, two side edges of the lower boss (3) and the upper cavity (4) are respectively a lower curved side edge (300) and an upper curved side edge (400), the lower die holder (1) is, the bottom port end of the vacuum channel (110) is connected with one end of a hose (7) through a threaded connector (6), the other end of the hose (7) is connected to a vacuum generator (8), grooves (210) are symmetrically formed in the two outer sides of the upper curved side (400) and located on the bottom end face of the upper die holder (2), pressing blocks (9) are installed in the grooves (210), the upper die holder (2) is provided with a telescopic rod channel (220) communicated with the groove (210), a lengthened telescopic rod (10) is inserted and installed in the telescopic rod channel (220), the bottom end of the lengthening telescopic rod (10) is fixedly connected with a pressing block (9), the top end of the lengthening telescopic rod (10) is arranged in a chamber of the cylinder (11), the cylinder (11) is fixedly arranged on the top end surface of the upper die holder (2).

2. The 3D curved glass hot bending apparatus according to claim 1, wherein: the threaded plug-in connector (6) is installed at the position of the bottom port of the vacuum channel (110) in a threaded fit mode.

3. The 3D curved glass hot bending apparatus according to claim 1, wherein: and a sealing gasket (12) is clamped at the position of the extrusion end face of the lower die holder (1) and the upper die holder (2).

4. The 3D curved glass hot bending apparatus according to claim 1, wherein: the lower die holder (1) and the upper die holder (2) are both made of graphite materials.

Technical Field

The invention relates to the technical field of 3D curved glass processing, in particular to a 3D curved glass hot bending device.

Background

The 3D curved glass is light and thin in performance, transparent and clean, anti-fingerprint, anti-glare, hard, scratch-resistant, good in weather resistance and the like, can be molded into 3D multi-shapes, and is applied to panel protection glass of terminal products such as high-end smart phones, tablet computers, wearable equipment, instrument panels, industrial computers and the like. The problem that the pressure of a die is insufficient in a cavity formed by hot bending of existing glass is easy to cause that the softened glass cannot be tightly attached to the inside of an extrusion forming cavity between an extrusion-bent curved surface side and an upper die base and an extrusion-formed cavity between the extrusion-bent curved surface side and a lower die base, and defective products are easy to produce, so that a 3D curved surface glass hot bending device is designed.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention discloses a 3D curved glass hot bending device.

The invention discloses a 3D curved surface glass hot bending device, which comprises: the vacuum hose comprises a lower die holder and an upper die holder, wherein the upper die holder is matched, extruded, assembled and installed, a plurality of threaded holes and jacks are correspondingly formed in the top end surface of the lower die holder and the bottom end surface of the upper die holder respectively, the bottoms of connecting columns are installed in the threaded holes in a threaded fit mode, the tops of the connecting columns are positioned, inserted and installed in the jacks, a lower boss and an upper cavity which are of an integrated structure are arranged in the middle positions of the top end surface of the lower die holder and the bottom end surface of the upper die holder respectively, two side edges of the lower boss and the upper cavity are respectively a lower curved side edge and an upper curved side edge, a vacuum channel communicated with the end surface of the lower boss is formed in the lower die holder, the bottom opening end of the formed vacuum channel is connected with one end of a hose through a threaded plug, the other end of the hose is connected to a vacuum generator, grooves are symmetrically formed in the outer two sides of, the pressing block is arranged in the arranged groove, the upper die base is provided with a telescopic rod channel communicated with the groove, the lengthened telescopic rod is inserted in the arranged telescopic rod channel, the bottom end of the lengthened telescopic rod is fixedly connected with the pressing block, the top end of the lengthened telescopic rod is arranged in the cavity of the air cylinder, and the air cylinder is fixedly arranged on the top end face of the upper die base.

Preferably, the threaded plug is installed at the bottom port end position of the vacuum channel in a threaded fit manner.

Preferably, the extruding end faces of the lower die holder and the upper die holder are provided with sealing gaskets in a clamping mode.

Preferably, the lower die base and the upper die base are both made of graphite materials.

The beneficial effects are that: its simple structure, it is convenient to go up through spliced pole extrusion fit assembly connection between die holder and the die holder, and by lower boss, go up the curved extrusion molding chamber that the cavity cooperatees and form, and at the thermoforming in-process, the cylinder drives the briquetting through extension telescopic link and pushes down the effect to softening glass side, makes glass's curved surface side and curved surface side down, the laminating of curved surface side is tight real, realizes the curved glass shaping precision operation of heat, is favorable to improving production machining efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a 3D curved glass hot bending device according to the present invention;

FIG. 2 is a schematic cross-sectional view of a lower die holder of the 3D curved glass hot bending apparatus of the present invention;

FIG. 3 is a schematic cross-sectional view of an upper mold base of a 3D curved glass hot bending apparatus according to the present invention.

Wherein: 1-a lower die holder, 100-a threaded hole and 110-a vacuum channel; 2-upper die holder, 200-jack, 210-groove, 220-telescopic rod channel; 3-lower boss, 300-lower curved side; 4-upper concave cavity, 400-upper curved side edge; 5-connecting the column; 6-a threaded plug; 7-a hose; 8-a vacuum generator; 9-briquetting; 10-lengthening a telescopic rod; 11-a cylinder; 12-sealing gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the invention discloses a 3D curved glass hot bending device, comprising: the die comprises a lower die holder 1 and an upper die holder 2, wherein the upper die holder 2 is arranged on the lower die holder 1 and is assembled and installed in a matched extrusion mode, a plurality of threaded holes 100 and jacks 200 are correspondingly formed in the top end face of the lower die holder 1 and the bottom end face of the upper die holder 2 respectively, the bottoms of connecting columns 5 are installed in the threaded holes 100 in a matched and installed mode, the tops of the connecting columns 5 are located and inserted in the jacks 200, and when the upper die holder 2 is assembled and pressed on the lower die holder 1, the locating and matching are stable and reliable.

The vacuum glass piece positioning and adsorbing device is characterized in that a lower boss 3 and an upper cavity 4 which are of an integrated structure are respectively arranged at the top end face of the lower die holder 1 and the middle position of the bottom end face of the upper die holder 2, the two side edges of the lower boss 3 and the upper cavity 4 are respectively a lower curved side 300 and an upper curved side 400, a vacuum channel 110 communicated with the end face of the lower boss 3 is arranged on the lower die holder 1, the bottom opening end of the arranged vacuum channel 110 is connected with one end of a hose 7 through a threaded connector 6, the other end of the hose 7 is connected to a vacuum generator 8, so that a negative pressure adsorption effect is formed through the vacuum generator 8, and a negative pressure adsorption passage is composed of the hose 7 and the vacuum channel 110, so that a glass piece placed on the lower boss 3 is positioned and adsorbed stably and reliably in a negative.

The outer two sides of the upper curved surface side 400 are symmetrically provided with grooves 210 on the bottom end face of the upper die base 2, pressing blocks 9 are arranged in the grooves 210, telescopic rod channels 220 communicated with the grooves 210 are formed in the upper die base 2, the lengthened telescopic rods 10 are inserted in the telescopic rod channels 220, the bottom ends of the lengthened telescopic rods 10 are fixedly connected with the pressing blocks 9, the top ends of the lengthened telescopic rods 10 are arranged in a cavity of an air cylinder 11, the air cylinder 11 is fixedly arranged on the top end face of the upper die base 2 and is convenient to drive the lengthened telescopic rods 10 to extend through the air cylinder 11, so that the pressing blocks 9 are driven to press and compact the softened glass curved surface side, and the glass curved surface side is tightly attached to the lower curved surface side 300 and the upper curved surface side 400.

The threaded plug 6 is installed at the bottom port end of the vacuum channel 110 in a threaded fit manner, so that the threaded plug 6 is convenient to assemble, install and set.

And sealing gaskets 12 are clamped at the extrusion end surfaces of the lower die holder 1 and the upper die holder 2, and the arranged sealing gaskets 12 play a role in sealing, assembling and connecting.

The lower die holder 1 and the upper die holder 2 are both made of graphite materials, and the lower die holder 1 and the upper die holder 2 made of graphite materials are excellent in heat conduction performance.

The invention is implemented as follows: when in use, glass to be subjected to hot bending forming is placed on a lower boss 3 arranged on a lower die holder 1, negative pressure adsorption is formed through a vacuum generator 8, a negative pressure adsorption passage consists of a hose 7 and a vacuum channel 110, so that the glass piece placed on the lower boss 3 is stably and reliably positioned and adsorbed, the glass piece is prevented from shaking, the lower die holder 1 is convenient to position and extrude the upper die holder 2 through a connecting column 5 which is installed in a threaded fit manner, the lower die holder 1 and the upper die holder 2 are respectively heated by an external heating element, the heated heat heats the glass piece in the lower die holder 1 and the upper die holder 2 to be softened, the softened glass is conveniently softened and formed in a hot bending extrusion forming cavity formed by matching the lower boss 3 and the upper cavity 4, the side edge of the glass is tightly attached to meet the needed radian requirement along the lower curved side edge 300 and the upper curved side edge 400, in the heating forming process, the cylinder 11 drives the lengthening telescopic rod 10 to extend, so that the pressing block 9 is driven to support and compact the softened curved side edge of the glass, the curved side edge of the glass is tightly attached to the lower curved side edge 300 and the upper curved side edge 400, and the hot-bending glass forming precision operation is realized. Adopt this technical scheme, its simple structure, it is convenient to go up through spliced pole extrusion fit assembly connection between die holder and the die holder, and by lower boss, go up the curved extrusion molding chamber that the cavity cooperateed and form, and in the thermoforming process, the cylinder drives the briquetting through extension telescopic link and pushes down the effect to softening glass side, make glass's curved surface side and lower curved surface side, go up curved surface side laminating tight reality, realize the curved glass shaping precision operation of heat, be favorable to improving production machining efficiency.

Finally, it should be noted that: the above embodiments are only used to illustrate the present invention and do not limit the technical solutions described in the present invention; thus, while the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.