CN115611502B - Heat dissipation type 3D glass hot bending die - Google Patents
Heat dissipation type 3D glass hot bending die Download PDFInfo
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- CN115611502B CN115611502B CN202211200123.0A CN202211200123A CN115611502B CN 115611502 B CN115611502 B CN 115611502B CN 202211200123 A CN202211200123 A CN 202211200123A CN 115611502 B CN115611502 B CN 115611502B
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- middle frame
- die
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- 238000013003 hot bending Methods 0.000 title claims abstract description 39
- 239000011521 glass Substances 0.000 title claims abstract description 38
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 79
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 79
- 239000010439 graphite Substances 0.000 claims abstract description 79
- 239000002184 metal Substances 0.000 claims abstract description 65
- 229910052751 metal Inorganic materials 0.000 claims abstract description 65
- 230000002093 peripheral effect Effects 0.000 claims abstract description 27
- 238000003475 lamination Methods 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims 1
- 238000004321 preservation Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Exhaust Silencers (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The present disclosure provides a heat dissipation type 3D glass hot bending mold, comprising: a graphite male die, a metal exhaust middle frame and a graphite female die which are sequentially overlapped; wherein, the graphite male die protrudes towards one side of the graphite female die to form a 3D convex insert; the metal exhaust middle frame is provided with a plurality of exhaust channels; the graphite female die protrudes towards one side of the graphite male die to form a 3D concave insert, and the 3D concave insert is inwards concave to form a 3D concave groove; the 3D concave groove is arranged on the outer peripheral side of the 3D convex insert in a surrounding manner to form a 3D hot bending cavity for forming 3D glass through hot bending; the metal exhaust middle frame is wound on the outer peripheral sides of the 3D concave insert and the 3D convex insert, so that an exhaust cavity is formed between the metal exhaust middle frame and the 3D concave insert and between the metal exhaust middle frame and the 3D convex insert; the exhaust passage communicates with the exhaust chamber. The heat dissipation and heat preservation device is excellent in heat dissipation and heat preservation performance, high in product quality, low in cost and long in effective service life.
Description
Technical Field
The disclosure relates to the technical field of 3D glass hot bending dies, in particular to a heat dissipation type 3D glass hot bending die.
Background
At present, a hot bending die is generally an upper and lower integrated graphite die (the graphite die is required to be used for 3D glass), in the heating process of a hot bending machine, the temperature in a die cavity is increased after the upper and lower dies are clamped, the actual temperature of the die cavity is easy to exceed the set value of the hot bending machine, and adverse phenomena such as the product profile degree NG of the 3D glass are caused; the high-temperature environment in the cavity is easy to cause bad appearance phenomena such as bubbles, concave-convex points and the like on the surface of the 3D glass; furthermore, the graphite mold is brittle and not resistant to high temperature, and has poor heat conduction performance, and the high-temperature working environment is easy to cause abrasion of graphite, so that the graphite is easy to damage when knocked; this tendency of graphite molds to wear results in the need for replacement during use, increasing mold and maintenance costs.
Disclosure of Invention
One technical problem to be solved by the present disclosure is: the problem of current 3D glass graphite tool poor heat dissipation, the product defective rate that leads to because of its poor heat dissipation is high is solved.
To solve the above technical problem, an embodiment of the present disclosure provides a heat dissipation type 3D glass hot bending mold, including: a graphite male die, a metal exhaust middle frame and a graphite female die which are sequentially overlapped; wherein, the graphite male die protrudes towards one side of the graphite female die to form a 3D convex insert; the metal exhaust middle frame is provided with a plurality of exhaust channels; the graphite female die protrudes towards one side of the graphite male die to form a 3D concave insert, and the 3D concave insert is inwards concave to form a 3D concave groove; the 3D concave groove is arranged on the outer peripheral side of the 3D convex insert in a surrounding manner to form a 3D hot bending cavity for forming 3D glass through hot bending; the metal exhaust middle frame is wound on the outer peripheral sides of the 3D concave insert and the 3D convex insert, so that an exhaust cavity is formed between the metal exhaust middle frame and the 3D concave insert and between the metal exhaust middle frame and the 3D convex insert; the exhaust passage communicates with the exhaust chamber.
In some embodiments, the plurality of exhaust passages are circumferentially disposed about the metal exhaust center.
In some embodiments, the vent channel is formed by slotting a metal vent subframe, the vent channel being disposed adjacent to one side of the graphite male die and/or the graphite female die.
In some embodiments, the inner peripheral side of the metal exhaust center is provided with an exhaust air clearance corresponding to the exhaust passage.
In some embodiments, the inner peripheral side of the metal exhaust middle frame is provided with an R-angle clearance corresponding to the R-angle of the 3D glass.
In some embodiments, the surface of the side of the graphite punch remote from the metal exhaust center is provided with an exhaust groove.
In some embodiments, the graphite male die and the metal exhaust middle frame are mutually limited through a first limiting part and a second limiting part which are mutually matched in a concave-convex manner; the metal exhaust middle frame (2) and the graphite die (3) are mutually limited through a second limiting part and a third limiting part which are mutually matched in a concave-convex mode.
In some embodiments, the graphite punch forms a first overlap around the outside of the 3D boss; forming a third overlapping part around the outer side of the 3D concave insert by the graphite die; the metal exhaust middle frame forms a second overlapping part with the first overlapping part and the third overlapping part respectively.
In some embodiments, the first limiting portion is disposed on the first overlapping portion; the second limiting part is arranged on the second overlapping part; the third limiting part is arranged on the third overlapping part.
In some embodiments, the first limiting portion is disposed on an outer peripheral side of the first overlapping portion; the second limiting part is arranged on the outer peripheral side of the second overlapping part; the third limiting part is arranged on the outer peripheral side of the third overlapping part.
In some embodiments, the first limiting portion includes a first protrusion formed by the first overlapping portion protruding toward one side of the metal exhaust center, and a first groove formed by a space between two first protrusions disposed adjacently; the third limiting part comprises a third bulge and a third groove, the third groove is formed by the concave of a third overlapping part, and the third bulge is formed by a third overlapping part between two adjacent third grooves; the second limiting part comprises a second bulge and a second groove, the second groove matched with the first bulge in a concave manner is formed by a second overlapping part, and the second bulge matched with the first groove in a concave manner is formed by a second overlapping part between two adjacent second grooves matched with the first bulge in a concave manner; the second protrusion matched with the third groove is formed by the protrusion of the second overlapping part towards the graphite die, and the second groove matched with the third protrusion is formed by the space between the adjacently arranged second protrusions matched with the third groove.
Through above-mentioned technical scheme, the heat dissipation formula 3D glass hot bending mould that this disclosure provided can bring following at least one kind of beneficial effect:
1. according to the method, the metal exhaust middle frame is clamped between the graphite male die and the graphite female die for forming the 3D glass through hot bending, the exhaust cavity is formed between the metal exhaust middle frame and the cavity, and the exhaust channels arranged on the metal exhaust middle frame are communicated with the external environment, so that the cavity can be exhausted and radiated through the exhaust cavity and the exhaust channels, the actual temperature of the cavity is close to or equal to a set value of a hot bending machine table, the actual temperature of the cavity is in an error allowable range, and the reject ratio of the 3D glass such as product profile NG and the reject ratio of bubbles, concave-convex points and the like generated on the surface of the product are greatly reduced; the metal material of the metal exhaust middle frame is easier to conduct heat and dissipate heat (both the heat dissipation performance and the heat transfer performance of the metal are better than those of graphite), and the exhaust cavity is arranged to form an air heat insulation layer (the heat transfer performance and the heat conduction performance of air are inferior to those of metal), so that the temperature of the cavity can be ensured to be stable and constant, and the thermal bending quality of the 3D glass is ensured; compared with graphite, the metal is more wear-resistant, high-temperature-resistant, anti-falling, low in material cost and long in effective service life, so that the production cost and maintenance cost of the die are reduced. The reject ratio of the 3D glass is reduced, and the production cost of the 3D glass can be reduced.
2. The concave-convex matching among the first limiting part, the second limiting part and the third limiting part ensures mutual positioning and limiting among the first limiting part, the second limiting part and the third limiting part, so that the laminating degree and the accuracy of the die assembly of the graphite male die and the graphite groove are ensured, and further, the hot bending high quality and the high efficiency of the 3D glass are ensured.
3. The R angle clearance of the metal exhaust middle frame not only can facilitate demolding of the 3D glass, but also increases the volume of the exhaust cavity, thereby increasing the exhaust effect; the exhaust clearance can also increase the volume of the exhaust cavity, and further increase the exhaust effect. The second limiting part and the R angle clearance, exhaust clearance are respectively arranged on the outer periphery side and the inner periphery side of the metal exhaust middle frame, and both are arranged on the second overlapping part, and through reasonably arranging each structure, the space utilization rate of the die is greatly improved, and the space occupation of the die is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
Fig. 1 is a schematic structural view of a heat dissipation type 3D glass hot bending mold in a mold closing state according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of the structure of a cross-sectional view of FIG. 1;
fig. 3 is a schematic structural view of a graphite male die of a heat dissipation type 3D glass hot bending mold according to an embodiment of the present disclosure;
fig. 4 is a schematic structural view of a metal exhaust center of a heat dissipation type 3D glass hot bending mold according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a graphite female die of a heat dissipation type 3D glass hot bending mold according to an embodiment of the present disclosure.
Reference numerals illustrate:
1. a graphite male die; 11. a 3D convex insert; 12. a first limit part; 121. a first protrusion; 122. a first groove; 13. chamfering; 14. an exhaust groove; 15. a first overlapping portion; 2. a metal exhaust middle frame; 21. an exhaust passage; 22. a second limit part; 221. a second protrusion; 222. a second groove; 23. r angle is kept away; 24. a second overlapping portion; 25. exhausting and keeping away; 3. a graphite female die; 31. a 3D recessed insert; 311. a 3D concave groove; 32. a third limit part; 321. a third protrusion; 322. a third groove; 33. a third overlapping portion; 4. 3D hot-bending die cavity; 5. and a vent chamber.
Detailed Description
Embodiments of the present disclosure are described in further detail below with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the disclosure and not to limit the scope of the disclosure, which may be embodied in many different forms and not limited to the specific embodiments disclosed herein, but rather to include all technical solutions falling within the scope of the claims.
The present disclosure provides these embodiments in order to make the present disclosure thorough and complete, and fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.
In the description of the present disclosure, unless otherwise indicated, the meaning of "plurality" is greater than or equal to two; the terms "upper," "lower," "left," "right," "inner," "outer," and the like indicate an orientation or positional relationship merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present disclosure. When the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.
Furthermore, the use of the terms first, second, and the like in this disclosure do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements.
It should also be noted that, in the description of the present disclosure, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present disclosure may be understood as appropriate by those of ordinary skill in the art. When a particular device is described as being located between a first device and a second device, there may or may not be an intervening device between the particular device and either the first device or the second device.
All terms used in the present disclosure have the same meaning as understood by one of ordinary skill in the art to which the present disclosure pertains, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification.
As shown in fig. 1-5, an embodiment of the present disclosure provides a heat dissipation type 3D glass hot bending mold, including: a graphite male die 1, a metal exhaust middle frame 2 and a graphite female die 3 which are sequentially stacked; wherein, the graphite male die 1 protrudes towards one side of the graphite female die 3 to form a 3D convex insert 11; the metal exhaust middle frame 2 is provided with a plurality of exhaust channels 21; the graphite female die 3 protrudes towards one side of the graphite male die 1 to form a 3D concave insert 31,3D, and the concave insert 31 is inwards concave to form a 3D concave groove 311; the 3D concave groove 311 is arranged around the outer peripheral side of the 3D convex insert 11 to form a 3D hot bending cavity 4 for forming 3D glass by hot bending; the metal exhaust middle frame 2 is wound on the outer peripheral sides of the 3D concave insert 31 and the 3D convex insert 11, so that an exhaust cavity 5 is formed between the metal exhaust middle frame 2 and the 3D concave insert 31 and the 3D convex insert 11; the exhaust passage 21 communicates with the exhaust chamber 5.
In practical application, the exhaust cavity 5 surrounds the outer side of the 3D hot-bending cavity 4 (namely, the 3D concave insert 31 and the 3D convex insert 11), and the exhaust cavity 5 not only can realize heat dissipation and temperature reduction of the 3D hot-bending cavity 4, but also can timely exhaust the internal hot air of the 3D hot-bending cavity 4 through the exhaust channel 21; meanwhile, the exhaust cavity 5 is communicated with the external environment to form an air heat-insulating layer with temperature, so that the exhaust cavity 5 has heat-insulating effect when realizing heat dissipation and temperature reduction, and the actual temperature of the 3D hot-bending cavity 4 can be matched with the set value of the hot-bending machine. The metal exhaust middle frame 2 can be made of pure metal materials, such as iron molds, copper molds and the like; or is made of alloy materials, such as steel mould, copper alloy mould, etc.
In some embodiments, a plurality of exhaust passages 21 are provided circumferentially around the metal exhaust center 2. Specifically, as shown in fig. 4, the metal exhaust middle frame 2 is a rectangular frame structure, each side wall of the metal exhaust middle frame is provided with two exhaust channels 21, the exhaust channels 21 of the side walls arranged in pairs are arranged oppositely, and at least one pair of the two exhaust channels 21 arranged oppositely are communicated and penetrated through the exhaust cavity 5. Of course, in other embodiments, the exhaust area of the exhaust passage 21 may be more than one, and specifically selected according to the exhaust area, and in practical applications, the exhaust area may be set to be larger in the high temperature region, and the exhaust area may be set to be smaller or even not in the low temperature region, which is also preferable, specifically according to the practical requirements.
In some embodiments, the graphite punch 1 is further provided with a chamfer 13, wherein two corners of the graphite punch 1 which are adjacently arranged are round chamfers, and the other pair of corners which are adjacently arranged are 45 DEG chamfers, so as to prevent foolproof and avoid installation errors. And the corresponding corners of the metal exhaust middle frame 2 and the graphite die 3 are provided with the same chamfer structures, so that die assembly foolproof is realized.
In some embodiments, the inner peripheral side of the metal exhaust center 2 is provided with an exhaust air clearance 25 corresponding to the exhaust passage 21.
In some embodiments, the inner peripheral side of the metal exhaust center 2 is provided with an R-angle clearance 23 corresponding to the R-angle of the 3D glass. Specifically, as shown in fig. 4, the R-angle clearance 23 and the exhaust passage 21 are overlapped in the mold closing direction such that the R-angle clearance 23 forms an exhaust clearance 25 of the exhaust passage 21.
In some embodiments, the vent channel 21 is formed by slotting a metal vent middle frame 2, and the vent channel 21 is arranged near one side of the graphite male die 1 and/or the graphite female die 3. Specifically, as shown in fig. 2, the exhaust passage 21 is provided near the graphite die 3 side. Of course, in other embodiments, the vent passage 21 is disposed adjacent to one side of the graphite punch 1. In other embodiments, the vent channels 21 are disposed adjacent to the graphite male-die 1 and the graphite female-die 3, respectively. It should be noted that the exhaust channel 21 may be a through slot formed through a sidewall of the metal exhaust center 2.
In some embodiments, the surface of the graphite punch 1 on the side remote from the metal exhaust center 2 is provided with an exhaust groove 14. Specifically, the air discharge grooves 14 may be arranged in a grid. Of course, in other embodiments, the vent grooves 14 may be formed as grooves extending through opposite sides of the graphite punch 1. Of course, in other embodiments, the vent slot 14 may be a linear slot or a curved slot, which will not be described herein.
In some embodiments, the graphite male die 1 and the metal exhaust middle frame 2 are mutually limited by a first limit part 12 and a second limit part 22 which are matched with each other in a concave-convex manner; the metal exhaust middle frame 2 and the graphite die 3 are mutually limited by the second limiting part 22 and the third limiting part 32 which are mutually matched in a concave-convex way. The metal exhaust middle frame 2 is respectively limited and positioned with the graphite male die 1 and the graphite female die 3 through the second limiting part 22, so that the fitting degree and the high accuracy of die assembly are ensured, and the product quality of 3D glass is ensured.
In some embodiments, the graphite punch 1 forms a first overlap 15 around the outside of the 3D boss 11; the graphite die 3 forms a third overlapping portion 33 around the outside of the 3D die insert 31; the second overlapping portion 24 is formed at the position where the metal exhaust middle frame 2 is respectively overlapped with the first overlapping portion 15 and the third overlapping portion 33. In practical application, the stacking of the graphite male die 1, the metal exhaust middle frame 2 and the graphite female die 3 is realized through the mutual lamination of the first lamination part 15 and the third lamination part 33, and the second lamination part 24 and the third lamination part 33, and the stability and the accuracy of the stacking and the die assembly of the three are ensured through the surface-to-surface lamination.
In some embodiments, the first limiting portion 12 is disposed on the first overlapping portion 15; the second limiting part 22 is arranged on the second overlapping part 24; the third limiting portion 32 is disposed at the third overlapping portion 33.
In some embodiments, the first limiting portion 12 is disposed on the outer peripheral side of the first overlapping portion 15; the second limiting part 22 is arranged on the outer peripheral side of the second overlapping part 24; the third stopper 32 is provided on the outer peripheral side of the third stacking portion 33.
As shown in fig. 1 to 5, in some embodiments, the first limiting part 12 includes a first protrusion 121 and a first groove 122, the first protrusion 121 is formed by the first lamination part 15 protruding toward the side of the metal exhaust center 2, and the first groove 122 is formed by a space between two first protrusions 121 disposed adjacently; the third limiting part 32 comprises a third protrusion 321 and a third groove 322, the third groove 322 is formed by the concave of the third overlapping part 33, and the third protrusion 321 is formed by the third overlapping part 33 between two adjacent third grooves 322; the second limiting part 22 comprises a second protrusion 221 and a second groove 222, the second groove 222 matched with the first protrusion 121 in a concave manner is formed by the second overlapping part 24, and the second protrusion 221 matched with the first groove 122 in a concave manner is formed by the second overlapping part 24 between two adjacent second grooves 222 matched with the first protrusion 121 in a concave manner; the second protrusions 221, which are in concave-convex engagement with the third grooves 322, are formed by the protrusions of the second lamination portion 24 toward the graphite die 3, and the second grooves 222, which are in concave-convex engagement with the third protrusions 321, are formed by the spaces between the adjacently disposed second protrusions 221, which are in concave-convex engagement with the third grooves 322.
In another embodiment of the present disclosure, the first limiting portion 12 is disposed on the inner peripheral side of the first overlapping portion 15; the second limiting part 22 is arranged on the inner peripheral side of the second overlapping part 24; the third stopper 32 is provided on the inner peripheral side of the third overlapping portion 33.
In another embodiment of the present disclosure, the first stopper 12 is provided on the same side (inner peripheral side, middle portion or outer peripheral side) as the second stopper 22 with which it is engaged with the concavity and convexity, and the third stopper 32 is provided on the same side (inner peripheral side, middle portion or outer peripheral side) as the second stopper 22 with which it is engaged with the concavity and convexity.
In another embodiment of the present disclosure, the first limiting portion 12, the second limiting portion 22 and the third limiting portion 32 are provided at the middle portions of the graphite male die 1, the metal exhaust middle frame 2 and the graphite female die 3, respectively.
In another embodiment of the present disclosure, the protrusions (first protrusion 121, second protrusion 221, third protrusion 321) and the grooves (first groove 122, second groove 222, third groove 322) may also be cylindrical and cylindrical grooves that are concave-convex fit with each other. The projections and recesses may also be formed as a combination of male-female mating blocks and block grooves, or columns and column grooves.
Thus, various embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concepts of the present disclosure, some details known in the art are not described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that the foregoing embodiments may be modified and equivalents substituted for elements thereof without departing from the scope and spirit of the disclosure. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.
Claims (7)
1. A heat dissipation type 3D glass hot bending die, comprising:
a graphite male die (1), a metal exhaust middle frame (2) and a graphite female die (3) which are sequentially stacked;
wherein the graphite male die (1) protrudes towards one side of the graphite female die (3) to form a 3D protruding insert (11); the metal exhaust middle frame (2) is provided with a plurality of exhaust channels (21); the graphite female die (3) protrudes towards one side of the graphite male die (1) to form a 3D concave insert (31), and the 3D concave insert (31) is inwards concave to form a 3D concave groove (311); the 3D concave groove (311) is arranged on the outer peripheral side of the 3D convex insert (11) in a surrounding manner to form a 3D hot bending cavity (4) for forming 3D glass through hot bending; the metal exhaust middle frame (2) is wound on the outer periphery sides of the 3D concave insert (31) and the 3D convex insert (11), so that an exhaust cavity (5) is formed between the metal exhaust middle frame (2) and the 3D concave insert (31) and between the metal exhaust middle frame and the 3D convex insert (11); the exhaust channel (21) is communicated with the exhaust cavity (5);
an exhaust clearance (25) is arranged on the inner peripheral side of the metal exhaust middle frame (2) corresponding to the exhaust channel (21);
an R-angle clearance (23) is arranged on the inner peripheral side of the metal exhaust middle frame (2) corresponding to the R angle of the 3D glass; and/or the surface of one side of the graphite male die (1) far away from the metal exhaust middle frame (2) is provided with an exhaust groove (14);
the graphite male die (1) and the metal exhaust middle frame (2) are mutually limited through a first limiting part (12) and a second limiting part (22) which are matched with each other in a concave-convex manner; the metal exhaust middle frame (2) and the graphite die (3) are mutually limited through a second limiting part (22) and a third limiting part (32) which are matched with each other in a concave-convex mode.
2. The heat dissipation type 3D glass hot bending mold according to claim 1, wherein a plurality of the air discharge passages (21) Zhou Sheyu are the metal air discharge center (2).
3. The heat dissipation type 3D glass hot bending die according to claim 1, wherein the exhaust channel (21) is formed by slotting the metal exhaust middle frame (2), and the exhaust channel (21) is arranged close to one side of the graphite male die (1) and/or the graphite female die (3).
4. A heat-dissipating 3D glass hot-bending mould according to any one of claims 1-3, characterized in that the graphite male mould (1) forms a first overlap (15) around the outside of the 3D male insert (11); the graphite die (3) forms a third overlapping part (33) around the outer side of the 3D die insert (31); and the metal exhaust middle frame (2) is respectively attached and overlapped with the first overlapping part (15) and the third overlapping part (33) to form a second overlapping part (24).
5. The heat dissipation type 3D glass hot bending die as claimed in claim 4, wherein the first limiting portion (12) is disposed on the first overlapping portion (15); the second limiting part (22) is arranged on the second overlapping part (24); the third limiting part (32) is arranged on the third overlapping part (33).
6. The heat radiation type 3D glass hot bending mold according to claim 5, wherein the first limiting portion (12) is provided on the outer peripheral side of the first lamination portion (15); the second limiting part (22) is arranged on the outer periphery side of the second overlapping part (24); the third limiting part (32) is arranged on the outer periphery side of the third overlapping part (33).
7. The heat dissipation type 3D glass hot bending mold according to claim 5 or 6, wherein the first limiting part (12) comprises a first protrusion (121) and a first groove (122), the first protrusion (121) is formed by the first overlapping part (15) protruding toward one side of the metal exhaust middle frame (2), and the first groove (122) is formed by a space between two first protrusions (121) adjacently arranged; the third limiting part (32) comprises a third protrusion (321) and a third groove (322), the third groove (322) is formed by the inward concave shape of the third overlapping part (33), and the third protrusion (321) is formed by the third overlapping part (33) between two adjacent third grooves (322); the second limiting part (22) comprises a second protrusion (221) and a second groove (222), the second groove (222) matched with the first protrusion (121) in a concave manner is formed by the second overlapping part (24), and the second protrusion (221) matched with the first groove (122) in a concave manner is formed by a second overlapping part (24) between two adjacent second grooves (222) matched with the first protrusion (121) in a concave manner; a second protrusion (221) which is in concave-convex fit with the third groove (322) is formed by the protrusion of the second overlapping part (24) towards the graphite die (3), and a second groove (222) which is in concave-convex fit with the third protrusion (321) is formed by a space between the adjacently arranged second protrusions (221) which are in concave-convex fit with the third groove (322).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211200123.0A CN115611502B (en) | 2022-09-29 | 2022-09-29 | Heat dissipation type 3D glass hot bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211200123.0A CN115611502B (en) | 2022-09-29 | 2022-09-29 | Heat dissipation type 3D glass hot bending die |
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| CN115611502B true CN115611502B (en) | 2023-12-12 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206069695U (en) * | 2016-09-23 | 2017-04-05 | 上海东洋炭素有限公司 | The graphite jig of wearable device bend glass is made for hot bending |
| CN206109195U (en) * | 2016-10-18 | 2017-04-19 | 蓝思科技股份有限公司 | Curved graphite three -plate mold utensil of 3D heat |
| CN206736080U (en) * | 2017-05-11 | 2017-12-12 | 谢永超 | A kind of hot-work die of glass bending shaping |
| CN207418580U (en) * | 2017-09-26 | 2018-05-29 | 上海东洋炭素有限公司 | A kind of graphite jig that automobile bend glass is made for hot bending |
| CN212581757U (en) * | 2020-06-16 | 2021-02-23 | 深圳市三美田科技有限公司 | Long service life's curved graphite jig of 3D glass heat |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM567177U (en) * | 2016-10-31 | 2018-09-21 | 正達國際光電股份有限公司 | Forming mold |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206069695U (en) * | 2016-09-23 | 2017-04-05 | 上海东洋炭素有限公司 | The graphite jig of wearable device bend glass is made for hot bending |
| CN206109195U (en) * | 2016-10-18 | 2017-04-19 | 蓝思科技股份有限公司 | Curved graphite three -plate mold utensil of 3D heat |
| CN206736080U (en) * | 2017-05-11 | 2017-12-12 | 谢永超 | A kind of hot-work die of glass bending shaping |
| CN207418580U (en) * | 2017-09-26 | 2018-05-29 | 上海东洋炭素有限公司 | A kind of graphite jig that automobile bend glass is made for hot bending |
| CN212581757U (en) * | 2020-06-16 | 2021-02-23 | 深圳市三美田科技有限公司 | Long service life's curved graphite jig of 3D glass heat |
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| CN115611502A (en) | 2023-01-17 |
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