CN217972983U - Local hot bending device for cover plate glass - Google Patents
Local hot bending device for cover plate glass Download PDFInfo
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- CN217972983U CN217972983U CN202221537006.9U CN202221537006U CN217972983U CN 217972983 U CN217972983 U CN 217972983U CN 202221537006 U CN202221537006 U CN 202221537006U CN 217972983 U CN217972983 U CN 217972983U
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- temperature gas
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- temperature
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Abstract
The utility model discloses a local hot bending device for cover plate glass, which comprises a carrying platform, a heating device, an upper die and a lower die. The carrying platform comprises a first component and a second component, wherein the first component is provided with a first surface for bearing the cover glass, the second component is provided with a second surface, and a first included angle is formed between the first surface and the second surface; the lower die can be fittingly arranged between the first part and the second part, and two ends of the upper surface of the lower die are respectively and smoothly jointed with the first surface and the second surface; the upper die is movably arranged above the lower die; the heating device comprises a high-temperature gas conveying pipeline, and a gas outlet of the high-temperature gas conveying pipeline faces to the upper surface of the lower die. The utility model only heats the local part of the cover plate glass, and the mould only presses the part of the cover plate glass, thus solving the problem of low production efficiency; in addition, the manufacturing cost and the operation cost of equipment and a die are reduced, and the problem of high cost is solved.
Description
Technical Field
The utility model relates to an apron glass production technical field especially relates to a curved device of local heat for apron glass.
Background
Along with the rapid development of science and technology, each trade is increasing to the cover plate glass demand day by day, and the curved equipment of cover plate glass heat among the prior art is mostly whole hot bending shaping, and cover plate glass must wholly adorn and preheat in the mould, shaping and cooling, treats to cool off to being close the room temperature, just can take out glass and accomplish processing.
When the prior art equipment is used for carrying out local hot bending processing on the cover plate glass, the cover plate glass needs to be integrally heated, the whole processing period is long, and the energy consumption and the cost are high, so that the efficiency of batch production of cover plate glass products is influenced.
In addition, along with the increasing size requirement of cover plate glass, according to the existing processing equipment and technology, the size of the required mould and equipment is very large, and the manufacturing technology and material cost of the mould and the equipment are also improved in multiples. Therefore, when the prior art is used for local hot bending of the cover plate glass, the waste of equipment resources can be caused, and meanwhile, the cost of energy consumption in operation is increased.
Based on this, the prior art still remains to be improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a curved device of local heat for cover plate glass uses high-temperature gas directly to heat the cover plate glass part, and the mould only needs carry out the pressfitting to fashioned position, does not need the mould to carry out whole cover, and cover plate glass heating and refrigerated cycle shorten greatly, have solved and have used prior art equipment to carry out the curved problem of batch production inefficiency of the local heat of cover plate glass. And simultaneously, use the utility model discloses a local hot-bending device need not to use full-scale mould, has reduced the manufacturing cost and the running cost of equipment and mould, has solved and has used prior art to carry out the equipment manufacturing that the local processing of apron glass adds man-hour and the high problem of running cost.
On the one hand, the utility model discloses a curved device of local heat for cover plate glass, including microscope carrier, heating device, last mould and bed die. The carrier comprises a first part and a second part, wherein the first part is provided with a first surface for supporting the cover glass, the second part is provided with a second surface, and a first included angle is formed between the first surface and the second surface; the lower die is fittingly arranged between the first part and the second part, and both ends of the upper surface of the lower die are smoothly engaged with the first surface and the second surface, respectively; the upper die is movably arranged above the lower die; the heating device comprises a high-temperature gas conveying pipeline, and a gas outlet of the high-temperature gas conveying pipeline faces to the upper surface of the lower die.
Further, the first included angle is an obtuse angle.
Further, a wedge-shaped flat high-temperature gas nozzle is arranged at a gas outlet end of the high-temperature gas conveying pipeline, and the length of the high-temperature gas nozzle is larger than the width of the lower die.
Further, the upper die and the lower die are both provided with openings, and first electric heating pipes are inserted into the openings.
Further, the upper die is disposed above the lower die so as to be movable up and down by a die hold-down mechanism.
Further, a temperature sensor is also arranged on the high-temperature gas nozzle.
Further, the high-temperature gas nozzle is disposed above the first surface so as to be movable left and right by a moving mechanism.
Further, a high-temperature gas generator is connected to a gas inlet end of the high-temperature gas conveying pipeline, and a low-pressure gas cache tank, a high-efficiency filter, a variable pressure regulating fan and a gas heating chamber of the high-temperature gas generator are sequentially communicated in series through a gas pipeline; the low-pressure gas cache tank is also provided with a gas inlet; and the gas outlet end of the gas heating chamber is communicated with the high-temperature gas nozzle through a high-temperature gas conveying pipeline.
Furthermore, the variable pressure regulating fan is communicated with the lower end of the gas heating chamber, and the gas outlet end of the gas heating chamber is arranged at the upper end of the gas heating chamber.
Furthermore, a temperature controller is arranged outside the gas heating chamber, a second electric heating pipe is arranged inside the gas heating chamber, and the temperature controller is electrically connected with the second electric heating pipe.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has at least:
the utility model provides a local hot bending device for cover plate glass, which adopts an adjustable high-temperature gas as a main heating mode and adopts a die auxiliary heating mode as an auxiliary heating mode to directly heat the local part of the cover plate glass; the mould only needs to carry out the pressfitting to fashioned position, does not need the mould to carry out whole cover, and the cycle of apron glass heating and cooling shortens greatly, has solved and has used prior art equipment to carry out the local hot curved batch production inefficiency of apron glass. Meanwhile, the local hot bending device of the utility model does not need a full-size die, thereby reducing the size limit of the equipment to the product to be processed and reducing the manufacturing cost of the equipment and the die; and in the operation process, the full-size die does not need to be heated and cooled, so that the energy consumption is greatly reduced, and the problems of high equipment manufacturing and operation cost in the process of performing local processing on the cover plate glass by using the prior art are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a local hot bending apparatus according to an embodiment of the present invention;
fig. 2 is a top view of a local hot bending apparatus according to an embodiment of the present invention;
fig. 3 is a schematic view of a high temperature gas generator of a local hot bending apparatus according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating heating of the local hot bending apparatus according to an embodiment of the present invention;
fig. 5 is a schematic view of the mold assembly of the local hot bending apparatus according to an embodiment of the present invention;
fig. 6 is a schematic view of a combination of a carrier and a lower mold of a local hot bending apparatus according to an embodiment of the present invention.
The reference signs are: 1-carrying platform, 2-heating device, 3-upper mould, 4-lower mould, 5-cover glass, 11-first part, 12-second part, 13-first surface, 14-second surface, 15-first included angle, 20-high temperature gas generator, 21-high temperature gas nozzle, 22-moving mechanism, 23-high temperature gas delivery pipeline, 24-temperature sensor, 31-first electric heating tube, 32-opening, 41-mould pressing mechanism, 201-low pressure gas buffer tank, 202-high efficiency filter, 203-variable pressure regulating fan, 204-gas heating chamber, 205-gas inlet, 206-temperature controller, 207-second electric heating tube, and 208-gas outlet end of gas heating chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1-6, the utility model discloses a local hot bending device for cover glass, which comprises a carrier 1, a heating device 2, an upper die 3 and a lower die 4. The carrier 1 comprises a first part 11 and a second part 12, the first part 11 is provided with a first surface 13 for supporting the cover glass 5, the second part 12 is provided with a second surface 14, and a first included angle 15 is formed between the first surface 13 and the second surface 14; the lower mold 4 is fittingly arranged between the first part 11 and the second part 12, and both ends of the upper surface of the lower mold 4 are smoothly engaged with the first surface 13 and the second surface 14, respectively; the upper mold 3 is movably disposed above the lower mold 4; the heating device 2 comprises a high-temperature gas conveying pipeline 23, and a gas outlet of the high-temperature gas conveying pipeline 23 is arranged towards the upper surface of the lower die 4.
Specifically, the cover glass 5 is placed on the first surface 13 of the first part 11 of the stage 1, and the portion to be thermally bent is correspondingly placed on the upper surface of the lower mold 4, and then the high-temperature gas outlet 21 is moved above the thermally bent portion of the cover glass by the moving mechanism 22, and the gas outlet of the high-temperature gas delivery pipe 23 is directed to the thermally bent portion of the cover glass 5 on the upper surface of the lower mold 4; after the cover glass 5 is in place on the carrier 1, the high-temperature gas generator 20 is started to provide hot gas for the high-temperature gas outlet 21, the hot bent part of the cover glass 5 is heated by the high-temperature gas blown from the high-temperature gas outlet 21, after the hot bent part of the cover glass 5 is heated to a softening point, the high-temperature gas generator 20 stops working and moves the high-temperature gas outlet away through the moving mechanism 22, the upper mold 3 is moved downwards to be matched with the lower mold 4, after the cover glass 5 is formed, the upper mold 4 is separated, the hot bending processing of the cover glass 5 is completed, and after the cover glass 5 is formed in a hot bending mode, a part of the cover glass falls onto the second surface 14 of the second part 12 of the carrier 1. The device only needs to heat the hot bending part of the cover glass 5, and does not need to heat the whole cover glass 5, so that the operation cost is saved; in addition, the die does not need to be made too large, and the manufacturing cost of the equipment is reduced.
Further, the lower mold 4 with different upper surface angles may be freely combined with the first component 11 and the second component 12 of the carrier 1, as long as both ends of the upper surface of the lower mold 4 are ensured to be smoothly connected with the first surface 13 and the second surface 14, respectively, and the first surface 13 and the second surface 14 have a first included angle 15 by being smoothly connected with the upper surface of the lower mold 4. In one embodiment, as shown in fig. 6, the first included angle 15 is an obtuse angle. Through the combination of the carrying platform 1 and the lower die 4 in multiple specifications and angles, the mass production of multiple products can be realized, and the production efficiency is improved.
Further, in one embodiment, the gas outlet end of the high temperature gas delivery pipe 23 is provided with a wedge-shaped flat high temperature gas nozzle 21, and the length of the high temperature gas nozzle 21 is greater than the width of the lower mold 4. The high-temperature gas nozzle 21 in the shape of a wedge flat ensures that high-temperature gas is fully blown to a hot bend of the cover glass 5, so that heat energy loss is avoided; the length of high-temperature gas nozzle 21 is greater than the width of bed die 4 has guaranteed 5 hot bent positions of cover glass evenly heated simultaneously, has avoided 5 inhomogeneous heats of cover glass and the curved quality's of heat problem that produces, accomplishes the simultaneity of 5 hot bent position softening degrees of cover glass, has guaranteed 5 hot bent processingquality of cover glass.
Specifically, the high-temperature gas nozzles 21 of various specifications and lengths may be prepared, and the high-temperature gas nozzles 21 of different specifications may be replaced according to the size and the dimension of the cover glass 5, and the high-temperature gas delivery pipe 23 may be connected to the high-temperature gas generator 20 to supply gas. Further, when the glass size is large, the high-temperature gas nozzle 21 having a length smaller than the width of the lower mold 4 may be used, and the high-temperature gas nozzle 21 may be moved and heated above the hot bend of the cover glass 5 by the moving mechanism 22.
Further, as shown in fig. 4-5, in one embodiment, the upper mold 3 and the lower mold 4 are provided with an opening 32, and a first electric heating tube 31 is inserted into the opening 32. Specifically, the number of the openings 32 on the mold is not limited as long as the first electric heating pipes 31 inserted into the openings 32 can ensure that the mold is uniformly and rapidly heated; in addition, the form of the opening is not limited, and the opening can be in a form of penetrating through the die, as long as the first electric-heating tube 31 can be conveniently installed.
Specifically, the cover glass 5 is placed on the first surface 13 of the first part 11 of the stage 1, the hot-bent portion of the cover glass 5 is heated by the high-temperature gas nozzle 21, and simultaneously, the mold is heated by the first electric heating tube 31, when the temperatures of the upper mold 3 and the mold 4 reach the set temperature and the hot-bent portion of the cover glass 5 is also heated to the softening point, the high-temperature gas nozzle 21 is removed, then the upper mold 3 is moved downward, the upper mold 3 and the lower mold 4 are closed, after the glass is molded, the first electric heating tube 31 stops working, the upper mold 3 and the lower mold 4 start to cool, and then the upper mold 3 is released, so that the processing is completed. Through the auxiliary heating of the die, the production efficiency is improved, and the problem of processing quality caused by direct contact between the die with lower temperature and the hot bent part of the glass with higher temperature is avoided.
Further, as shown in fig. 1, the upper mold 3 is disposed above the lower mold 4 through a mold pressing mechanism 41 in a vertically movable manner, and the connection manner between the upper mold 3 and the mold pressing mechanism 41 is not limited as long as it can be ensured that the upper mold 3 and the lower mold 4 complete mold assembly during the pressing process of the mold pressing mechanism 41. Preferentially, go up mould 3 with mould pushing down mechanism 41 adopts and to dismantle connected mode to satisfy different specification shapes go up the change of mould 3, realize the production of 5 different specification and dimension of cover glass and hot bent angle has realized batch production, has improved production efficiency.
Further, as shown in fig. 3, in one embodiment, a temperature sensor 24 is further disposed on the high temperature gas nozzle 21. The temperature of the gas blown out from the high-temperature gas nozzle 21 is monitored by the temperature sensor 24 and fed back to the high-temperature gas generator 20, the high-temperature gas generator 20 is adjusted to reach a set temperature according to a temperature set value required by the hot bending of the cover glass 5, and the high-temperature gas nozzle 21 is connected with the high-temperature gas generator 20 through the high-temperature gas conveying pipeline 23, so that constant temperature, energy conservation and safety are guaranteed.
Further, as shown in fig. 1-2, in one embodiment, the high temperature gas nozzle 21 is disposed above the first surface 13 to be movable left and right by a moving mechanism 22. Specifically, the moving mechanism 22 includes a left-right moving device and a front-back moving device, the left-right moving device is disposed above the front-back moving device, and the high-temperature gas nozzle 21 is connected to the front-back moving device. When the size of the cover glass 5 is small, namely the length of the high-temperature gas nozzle 21 is larger than the width of the lower die 4, the high-temperature gas nozzle 21 is moved to the upper part of the lower die 4 by a left-right moving device and is still and still, and the high-temperature gas nozzle 21 performs gas injection heating on the hot bend of the cover glass 5; when the cover glass 5 is large in size, that is, the length of the high-temperature gas nozzle 21 is smaller than the width of the lower mold 4, the high-temperature gas nozzle 21 is moved to the position above the lower mold 4 by the left-right moving device, aligned to the proper position, and then moved back and forth by the front-back moving device in a reciprocating manner, and the high-temperature gas nozzle 21 heats the hot bent part of the cover glass 5.
Specifically, the connection manner between the moving mechanism 22 and the high-temperature gas nozzle 21 is not limited, as long as it can be ensured that the high-temperature gas nozzle 21 can be stably arranged above the hot bend of the cover glass 5 when the high-temperature gas nozzle 21 blows air. Preferably, the moving mechanism 22 and the high-temperature gas nozzle 21 are detachably connected to meet the requirement of replacing the high-temperature gas nozzle 21 with different specifications, so as to process glass with different specifications and sizes.
Further, as shown in fig. 3, in one embodiment, a high-temperature gas generator 20 is connected to a gas inlet end of the high-temperature gas delivery pipe 23, and a low-pressure gas buffer tank 201, a high-efficiency filter 202, a variable pressure regulating blower 203 and a gas heating chamber 204 of the high-temperature gas generator 20 are sequentially connected in series through a gas pipe; the low-pressure gas buffer tank 201 is also provided with a gas inlet 205; the gas outlet 208 of the gas heating chamber 204 is connected to the hot gas nozzle 21 through a hot gas supply duct 23.
Specifically, low-pressure gas enters the low-pressure nitrogen buffer tank 201 through the gas inlet 205 for buffering, impurity particles in gas are purified through the high-efficiency filter 202, and then enter the variable-frequency pressure-regulating fan 203, the variable-frequency pressure-regulating fan 203 sends the low-pressure gas into the gas heating chamber 204, the low-pressure gas is heated in the heating chamber 204, the heated gas is conveyed to the high-temperature gas nozzle 21 through the high-temperature gas conveying pipeline 23 from the gas outlet end 208 of the gas heating chamber 204, the rotating speed of the fan is controlled by adjusting the frequency of the variable-frequency pressure-regulating fan 203, and the wind speed and the wind volume of the gas at the high-temperature gas outlet 21 are adjusted, so that the heating requirement of the cover glass 5 is met.
Further, as shown in fig. 3, in one embodiment, the variable pressure blower 203 is in communication with a lower end of the gas heating chamber 204 and the gas outlet end 208 of the gas heating chamber 204 is disposed at an upper end of the gas heating chamber 204. The gas at normal temperature is conveyed to the lower end inside the gas heating chamber 204 by the variable frequency voltage regulation fan 203 through a pipeline, the gas at normal temperature rises to the upper end inside the heating chamber 204 after being heated in the heating chamber 204, and the high-temperature gas with constant temperature is provided for the high-temperature gas nozzle 21 through the gas outlet end 208 of the heating chamber 204 and the high-temperature gas conveying pipeline 23, so that the hot bending processing quality of the cover glass 5 is ensured.
Further, as shown in fig. 3, in an embodiment, a temperature controller 206 is disposed outside the gas heating chamber 204, a second electric heating pipe 207 is disposed inside the gas heating chamber 204, and the temperature controller 206 is electrically connected to the second electric heating pipe 207. The temperature of the gas blown out from the high-temperature gas nozzle 21 is detected by the temperature sensor 24, and fed back to the temperature controller 206 provided outside the gas heating chamber 204, and the heating temperature of the second electric heating pipe 207 provided inside the gas heating chamber 204 is adjusted according to the temperature set value required for the cover glass 5 to be thermally bent, so that the temperature of the gas inside the heating chamber 204 reaches the set value, and the high-temperature gas is supplied to the high-temperature gas nozzle 21 through the high-temperature gas supply duct 23.
Above-mentioned a local hot curved device during operation for cover plate glass only needs to pass through high-temperature gas nozzle 21 heats the curved position of glass heat, and mould boosting, mould only need carry out the pressfitting to the position that needs the shaping, and the mould need not carry out whole cover, and glass heating and refrigerated cycle shorten greatly to improve machining efficiency.
Meanwhile, in actual use, a full-size die is not needed, so that the size limit of equipment on products to be processed can be reduced, and the cost of the equipment and the die is reduced; in the operation process, the full-size die does not need to be heated and cooled, so that the power consumption and cooling water required by heating are greatly reduced, and the energy consumption of equipment operation is reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A local hot bending device for cover glass is characterized in that: comprises a carrier (1), a heating device (2), an upper die (3) and a lower die (4), wherein,
the carrier (1) comprises a first part (11) and a second part (12), wherein the first part (11) has a first surface (13) for holding a cover glass, the second part (12) has a second surface (14), and a first included angle (15) is formed between the first surface (13) and the second surface (14);
the lower mold (4) is fittingly arranged between the first part (11) and the second part (12), and both ends of the upper surface of the lower mold (4) smoothly engage with the first surface (13) and the second surface (14), respectively; the upper die (3) is movably arranged above the lower die (4);
the heating device (2) comprises a high-temperature gas conveying pipeline (23), and a gas outlet of the high-temperature gas conveying pipeline (23) faces the upper surface of the lower die (4).
2. The localized hot bending apparatus for cover glass according to claim 1, wherein: the first included angle (15) is an obtuse angle.
3. The localized hot bending apparatus for cover glass according to claim 1, wherein: the gas outlet end of the high-temperature gas conveying pipeline (23) is provided with a wedge-shaped flat high-temperature gas nozzle (21), and the length of the high-temperature gas nozzle (21) is larger than the width of the lower die (4).
4. The localized hot bending apparatus for cover glass according to claim 1, wherein: the upper die (3) and the lower die (4) are both provided with openings (32), and first electric heating pipes (31) are inserted into the openings (32).
5. The localized hot bending apparatus for cover glass according to claim 1, wherein: the upper die (3) is arranged above the lower die (4) in a manner of being capable of moving up and down through a die pressing mechanism (41).
6. The localized hot bending apparatus for cover glass according to claim 3, wherein: and a temperature sensor (24) is also arranged on the high-temperature gas nozzle (21).
7. The localized hot bending apparatus for cover glass according to claim 3, wherein: the high-temperature gas nozzle (21) is disposed above the first surface (13) so as to be movable left and right by a moving mechanism (22).
8. The localized hot bending apparatus for cover glass according to claim 3, wherein: the gas inlet end of the high-temperature gas conveying pipeline (23) is connected with a high-temperature gas generator (20), and a low-pressure gas cache tank (201), a high-efficiency filter (202), a variable pressure regulating fan (203) and a gas heating chamber (204) of the high-temperature gas generator (20) are sequentially communicated in series through a gas pipeline;
the low-pressure gas buffer tank (201) is also provided with a gas inlet (205);
the gas outlet end (208) of the gas heating chamber (204) is communicated with the high-temperature gas nozzle (21) through a high-temperature gas conveying pipeline (23).
9. The localized hot bending apparatus for cover glass as claimed in claim 8, wherein: the variable pressure regulating fan (203) is communicated with the lower end of the gas heating chamber (204), and the gas outlet end (208) of the gas heating chamber (204) is arranged at the upper end of the gas heating chamber (204).
10. The localized hot bending apparatus for cover glass as claimed in claim 8, wherein: the gas heating chamber (204) is externally provided with a temperature controller (206), the gas heating chamber (204) is internally provided with a second electric heating pipe (207), and the temperature controller (206) is electrically connected with the second electric heating pipe (207).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221537006.9U CN217972983U (en) | 2022-06-20 | 2022-06-20 | Local hot bending device for cover plate glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221537006.9U CN217972983U (en) | 2022-06-20 | 2022-06-20 | Local hot bending device for cover plate glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217972983U true CN217972983U (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221537006.9U Active CN217972983U (en) | 2022-06-20 | 2022-06-20 | Local hot bending device for cover plate glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217972983U (en) |
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2022
- 2022-06-20 CN CN202221537006.9U patent/CN217972983U/en active Active
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