CN212581757U

CN212581757U - Long service life's curved graphite jig of 3D glass heat

Info

Publication number: CN212581757U
Application number: CN202021107772.2U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shenzhen Sanmeitan Technology Co ltd
Current assignee: Shenzhen Sanmeitan Technology Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-02-23
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a long life's 3D glass hot bending graphite jig, including the bed die, the locating hole has all been opened in the upper end four corners of bed die, four equal fixedly connected with magnet on the lower pore wall of locating hole, open flutedly at the upper end middle part of bed die, the lower cell wall middle part fixedly connected with pressure release structure of recess, No. one separating tank has all been opened to the upper end front portion and the upper end rear portion of bed die, the upper end joint of bed die has well mould, well mould is provided with a plurality of, the top the upper end joint of well mould has last mould. A long life's curved graphite jig of 3D glass heat, through mould in setting up, improved production efficiency, reduced manufacturing cost, through setting up a magnet and No. two magnets, strengthened the accurate nature of mould location, avoid producing the skew between the mould, through scribbling the carborundum coating, prolonged the life of mould, improved the production quality of product.

Description

Long service life's curved graphite jig of 3D glass heat

Technical Field

The utility model relates to a 3D glass production technical field, in particular to curved graphite jig of long life's 3D glass heat.

Background

In the process of 3D glass thermoforming, the glass in the mold needs to be softened and subjected to pressure forming in a high-temperature heating mode, the formed mold basically adopts a graphite mold, graphite has the characteristics of high hardness, good electrical conductivity, radiation protection and good thermal conductivity, the performance is still stable at high temperature, the amounts of thermal expansion and cold contraction are very small, the precision can be ensured to the maximum extent, the mold processing difficulty is reduced, but the existing 3D glass hot-bending graphite mold has the following defects: 1. the graphite mould can only carry out hot bending on one piece of glass at a time, so that the time consumption is long, the production efficiency is influenced, and the production cost of a product is improved; 2. the mold is easily oxidized in the atmospheric environment, so that the mold is damaged, and the service life of the mold is influenced; therefore, the 3D glass hot bending graphite mold with long service life is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a curved graphite jig of long service life's 3D glass heat can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a long service life's curved graphite jig of 3D glass heat, includes the bed die, the locating hole has all been opened in the upper end four corners of bed die, four equal fixedly connected with magnet on the lower pore wall of locating hole, open flutedly at the upper end middle part of bed die, the lower cell wall middle part fixedly connected with pressure release structure of recess, a separating tank has all been opened to the upper end front portion and the upper end rear portion of bed die, the upper end joint of bed die has well mould, well mould is provided with a plurality of, the top the upper end joint of well mould has last mould.

Preferably, the pressure release structure comprises a mold core, a mold frame is fixedly connected to the outer surface of the mold core, the outer surfaces of the periphery of the mold frame are arc-shaped surfaces, and the lower end of the mold core is fixedly connected with the lower groove wall of the groove.

Preferably, the upper die comprises a die base, a press table is fixedly connected to the middle of the lower end of the die base, a cavity is formed in the middle of the lower end of the press table, positioning columns and four positioning columns are fixedly connected to four corners of the lower end of the die base, a second magnet is fixedly connected to the lower ends of the positioning columns, a second separating groove is formed in the front portion of the lower end of the die base and the rear portion of the lower end of the die base, and the four positioning columns are clamped with four corresponding positioning holes respectively.

Preferably, the upper end structures of the plurality of middle molds are consistent with the upper end structure of the lower mold, and the lower end structures of the plurality of middle molds are consistent with the lower end structure of the upper mold.

Preferably, the outer surface of the lower die, the outer surface of the middle die and the outer surface of the upper die are all coated with silicon carbide coatings, and the material of the lower die, the material of the middle die and the material of the upper die are all high-purity isostatic pressing graphite.

Preferably, the magnetic poles of the second magnet and the first magnet are opposite, and the sum of the height of the positioning column and the height of the second magnet is consistent with the depth of the positioning hole.

Compared with the prior art, the utility model discloses following beneficial effect has:

the production method comprises the steps that firstly, a plurality of middle molds are arranged, so that the molds can carry out hot bending processing on a plurality of pieces of glass at one time, the production time of products is reduced, and the production efficiency of the products is improved, so that the production cost of the products is reduced;

secondly, through scribbling the carborundum coating, make the mould have better high temperature resistance and oxidation resistance, avoided the problem of mould damage, prolonged the life of mould, also make the surface of mould more level and smooth, seamless simultaneously, further improved the production quality of product, make the mould when bending glass four sides through setting up the type frame, the internal stress is released to the cambered surface of accessible type frame.

Drawings

Fig. 1 is a schematic view of the overall structure of a long-life 3D glass hot-bending graphite mold of the present invention;

FIG. 2 is a schematic structural diagram of a pressure relief structure of a long-life 3D glass hot-bending graphite mold of the present invention;

FIG. 3 is a schematic structural view of an upper mold of a long-life 3D glass hot-bending graphite mold of the present invention;

fig. 4 is a schematic structural diagram of the middle mold of the 3D glass hot-bending graphite mold with long service life.

In the figure: 1. a lower die; 2. positioning holes; 3. a first magnet; 4. a groove; 5. a middle mold; 6. a first separation tank; 7. a pressure relief structure; 8. an upper die; 71. a core; 72. a mould frame; 81. a mold base; 82. a pressing table; 83. a cavity; 84. a positioning column; 85. magnet II; 86. and a second separation tank.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a 3D glass hot bending graphite mold with long service life comprises a lower mold 1, positioning holes 2 are formed in four corners of the upper end of the lower mold 1, a magnet 3 is fixedly connected to lower hole walls of the four positioning holes 2, a groove 4 is formed in the middle of the upper end of the lower mold 1, a pressure release structure 7 is fixedly connected to the middle of the lower groove wall of the groove 4, separation grooves 6 are formed in the front portion and the rear portion of the upper end of the lower mold 1, a middle mold 5 is clamped to the upper end of the lower mold 1, a plurality of middle molds 5 are arranged in the middle molds 5, and an upper mold 8 is clamped to the upper end of the middle mold 5 on the uppermost side.

The pressure release structure 7 comprises a mold core 71, the outer surface of the mold core 71 is fixedly connected with a mold frame 72, the outer surfaces of the periphery of the mold frame 72 are arc-shaped surfaces, when four edges of glass are simultaneously bent, internal stress can be released through the arc-shaped surface of the mold frame 72, and the lower end of the mold core 71 is fixedly connected with the lower groove wall of the groove 4; the upper die 8 comprises a die base 81, the middle part of the lower end of the die base 81 is fixedly connected with a pressing table 82, the middle part of the lower end of the pressing table 82 is provided with a die cavity 83, four corners of the lower end of the die base 81 are fixedly connected with positioning columns 84, the lower ends of the four positioning columns 84 are fixedly connected with a second magnet 85, the front part and the rear part of the lower end of the die base 81 are provided with a second separation groove 86, the separation between the dies is facilitated through the first separation groove 6 and the second separation groove 86, and the four positioning columns 84 are respectively clamped with the corresponding four positioning holes 2; the upper end structures of the plurality of middle molds 5 are consistent with the upper end structure of the lower mold 1, the lower end structures of the plurality of middle molds 5 are consistent with the lower end structure of the upper mold 8, and the production efficiency of products is improved by arranging the plurality of middle molds 5; the outer surface of the lower die 1, the outer surface of the middle die 5 and the outer surface of the upper die 8 are coated with silicon carbide coatings, so that the high temperature resistance and the oxidation resistance of the dies are enhanced, the service life of the dies is prolonged, and the material of the lower die 1, the material of the middle die 5 and the material of the upper die 8 are all high-purity isostatic pressure graphite; no. two magnet 85 is opposite with the magnetic pole of a magnet 3, makes and produces suction between No. two magnet 85 and a magnet 3 to fix a position the mould, strengthened the accurate nature of location between the mould, the height of reference column 84 and the sum of the height of No. two magnet 85 are unanimous with the degree of depth of locating hole 2, make reference column 84 and No. two magnet 85 just be located locating hole 2 and fix a position the mould, avoid producing the skew between the mould.

It should be noted that the utility model relates to a long-life 3D glass hot bending graphite mold, when in use, a user selects the number of middle molds 5 according to production requirements, then places the glass on a mold core 71 one by one, and then folds the molds one by one, so that a lower mold 1 is positioned at the lowest part, an upper mold 8 is positioned at the uppermost part, and simultaneously a positioning column 84 and a second magnet 85 are positioned in a positioning hole 2, to position and fix the molds, the positioning and fixing effect between the molds is enhanced through the suction force generated between the second magnet 85 and the first magnet 3, the positioning and fixing effect between the molds is improved, the deviation between the molds is avoided, then the molds after being closed are placed in a hot bending machine, so that the glass generates high temperature under the heating of the hot bending machine, and is softened and molded in the molds, after cooling, the molds are separated through a first separating groove 6 and a second separating groove 86, and then the formed glass is taken out, and the silicon carbide coating is coated on the mold, so that the service life of the mold is prolonged, and the production quality of the product is improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a curved graphite jig of 3D glass heat of long life, includes bed die (1), its characterized in that: locating hole (2), four have all been opened in the upper end four corners of bed die (1) equal fixedly connected with magnet (3) on the lower pore wall of locating hole (2), open at the upper end middle part of bed die (1) has recess (4), the lower cell wall middle part fixedly connected with pressure release structure (7) of recess (4), separating tank (6) have all been opened No. one to the upper end front portion and the upper end rear portion of bed die (1), the upper end joint of bed die (1) has well mould (5), well mould (5) are provided with a plurality of, the top the upper end joint of well mould (5) has last mould (8).

2. The long-life 3D glass hot-bending graphite mold according to claim 1, wherein: the pressure release structure (7) comprises a mold core (71), a mold frame (72) is fixedly connected to the outer surface of the mold core (71), the outer surfaces of the periphery of the mold frame (72) are arc-shaped surfaces, and the lower end of the mold core (71) is fixedly connected with the lower groove wall of the groove (4).

3. The long-life 3D glass hot-bending graphite mold according to claim 1, wherein: go up mould (8) including mould seat (81), lower extreme middle part fixedly connected with pressfitting platform (82) of mould seat (81), open at the lower extreme middle part of pressfitting platform (82) has die cavity (83), the equal fixedly connected with reference column (84) in lower extreme four corners of mould seat (81), four the equal fixedly connected with magnet (85) No. two of lower extreme of reference column (84), No. two separating tank (86) have all been opened to the lower extreme front portion and the lower extreme rear portion of mould seat (81), four reference column (84) respectively with four locating hole (2) joint that correspond.

4. The long-life 3D glass hot-bending graphite mold according to claim 1, wherein: the upper end structure of the middle mold (5) is consistent with that of the lower mold (1), and the lower end structure of the middle mold (5) is consistent with that of the upper mold (8).

5. The long-life 3D glass hot-bending graphite mold according to claim 1, wherein: the outer surface of the lower die (1), the outer surface of the middle die (5) and the outer surface of the upper die (8) are coated with silicon carbide coatings, and the material of the lower die (1), the material of the middle die (5) and the material of the upper die (8) are all high-purity isostatic pressure graphite.

6. The long-life 3D glass hot-bending graphite mold according to claim 3, wherein: the magnetic poles of the second magnet (85) and the first magnet (3) are opposite, and the sum of the height of the positioning column (84) and the height of the second magnet (85) is consistent with the depth of the positioning hole (2).