CN210287130U - Glass hot bending device - Google Patents
Glass hot bending device Download PDFInfo
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- CN210287130U CN210287130U CN201920764397.XU CN201920764397U CN210287130U CN 210287130 U CN210287130 U CN 210287130U CN 201920764397 U CN201920764397 U CN 201920764397U CN 210287130 U CN210287130 U CN 210287130U
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Abstract
The utility model provides a glass hot bending device, its technical essential is: comprises an upper die device and a lower die device which are oppositely arranged along the longitudinal direction, and a high-frequency heating ring device which is positioned between the upper die device and the lower die device; the upper die device and the lower die device respectively comprise a template and a first driving assembly thereof, an electric heating plate for heating the back surface of the template and a second driving assembly thereof, and a cooling plate for cooling the back surface of the template and a third driving assembly thereof. In the hot pressing process, the template is rapidly heated in a high-frequency heating mode, when the preset temperature close to the hot pressing temperature is reached, the template is secondarily heated and pressurized in an electric heating mode, so that the temperature of the template is uniformly distributed, two times of heating in different forms are adopted, the heating efficiency and the uniformity of heat distribution are simultaneously met, and the hot pressing production efficiency and the quality of glass are improved; after the hot pressing is finished, the template is cooled, so that the template can be prevented from being rapidly aged due to long-term high temperature, and the service life of the template is prolonged.
Description
Technical Field
The utility model relates to a curved technical field of glass heat specifically indicates a curved device of glass heat.
Background
With the development of curved glass screens of mobile phones, hot bending technology of screen glass comes along, and in the production process of curved glass, hot pressing flatness and hot pressing efficiency are critical problems concerning quality and efficiency. In the existing glass hot bending process and equipment, a high-frequency heating mode is mostly adopted, the heating speed is high, the efficiency is high, but the high-frequency heating is realized by heating the periphery of a mold through an annular high-frequency device, so that the temperature of the central part of the mold is not as high as the peripheral temperature, the heat distribution of the mold is not uniform, and the phenomenon of unqualified flatness is easy to occur after the glass is subjected to hot press molding. In the traditional electric heating hot pressing process, the production efficiency is low due to the fact that the heating die is heated slowly. In addition, in the hot pressing process, the continuous high temperature of the die easily causes the aging of die materials, and influences the service life of the die.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hot-pressing flatness is good, efficient, and long service life's curved device of glass heat.
In order to achieve the above object, the utility model adopts the following technical scheme:
a glass hot bending device comprises an upper die device, a lower die device and a high-frequency heating ring device, wherein the upper die device and the lower die device are arranged oppositely along the longitudinal direction, and the high-frequency heating ring device is positioned between the upper die device and the lower die device; the upper die device and the lower die device respectively comprise a template, a first driving component for driving the template to lift, an electric heating plate for heating the back surface of the template, a second driving component for driving the electric heating plate to lift and pressurize the electric heating plate, a cooling plate for cooling the back surface of the template, and a third driving component for driving the cooling plate to be inserted between the electric heating plate and the template and to be attached to the back surface of the template; the temperature control device also comprises a temperature control component for monitoring the temperature of the template.
In one embodiment, a plurality of vertical set screws are distributed on the back surface of the cooling plate, and the cooling plate is abutted with the electric heating plate through the set screws on the back surface.
In one embodiment, the first driving assembly includes a first driving cylinder, a first fixed plate mounted with the first driving cylinder, a first movable plate driven by the first driving cylinder, and a plurality of first guide pillars vertically fixed below the first movable plate, and the form plate is fixed at the bottom ends of the first guide pillars and parallel to the first movable plate; the second driving assembly comprises a second fixed plate, a plurality of second guide pillars vertically fixed below the second fixed plate, a second movable plate in sliding fit with the second guide pillars through guide sleeves, and a second driving air cylinder fixed on the second fixed plate and driving the second movable plate to slide along the second guide pillars, and the electric heating plate is fixedly mounted on the inner side surface of the second movable plate; the first movable plate is parallel to the upper part of the second fixed plate, and the first guide pillar sequentially penetrates through the second fixed plate, the second movable plate and the electric heating plate and is in sliding fit with the second fixed plate.
In one embodiment, a fourth driving cylinder with short-distance reciprocating motion is further arranged between the movable end of the second driving cylinder and the second movable plate.
In one embodiment, the third driving assembly includes a guide rail plate fixed to the second fixing plate, a third driving cylinder for driving the cooling plate, and a pair of slide rails mounted between the cooling plate and the guide rail plate, and the back surface of the cooling plate abuts against the bottom surface of the electric heating plate.
In one embodiment, the temperature control assembly comprises an infrared temperature sensor for detecting the real-time temperature of the template heating in a non-contact mode.
The beneficial effects are that: in the hot pressing process, the template is rapidly heated in a high-frequency heating mode, when the preset temperature close to the hot pressing temperature is reached, the template is secondarily heated and pressurized in an electric heating mode, so that the temperature of the template is uniformly distributed, two times of heating in different forms are adopted, the heating efficiency and the uniformity of heat distribution are simultaneously met, and the hot pressing production efficiency and the quality of glass are improved; after the hot pressing is finished, the template is cooled, so that the template can be prevented from being rapidly aged due to long-term high temperature, and the service life of the template is prolonged.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of a hot bending apparatus in an embodiment in a high-frequency heating state;
FIG. 2 is a schematic structural diagram of an embodiment of a hot bending device in a state of heating by an electric hot plate;
FIG. 3 is a schematic structural view of a mold plate of the hot bending apparatus in a cooling state according to the embodiment;
FIG. 4 is a schematic cross-sectional view of the cooling plate, the mold plate and the electric heating plate pressed together.
Wherein, 1, a high-frequency heating ring device; 2. a template; 3. a first drive assembly; 31. a first driving cylinder; 32. a first fixing plate; 33. a first movable plate; 34. a first guide post; 4. an electric hot plate; 5. a second drive assembly; 51. a second driving cylinder; 52. a second fixing plate; 53. a second movable plate; 54. a second guide post; 55. a fourth drive cylinder; 6. a cooling plate; 61. tightening the screw; 7. a third drive assembly; 71. a guide rail plate; 72. a third driving cylinder; 73. a slide rail pair; 8. a temperature control component.
Detailed Description
The invention is further explained below with reference to the drawings:
it should be noted that, in this embodiment, the back surface of the mold plate refers to a surface of the mold plate opposite to the mold core; the inner side surface of the second movable plate refers to a surface of the second movable plate corresponding to the template. The upper die device and the lower die device correspond only in structural principle, and are not understood to be completely symmetrical in specific structural components, sizes and the like.
Referring to fig. 1 to 4, a glass hot bending apparatus includes an upper die apparatus and a lower die apparatus which are oppositely disposed in a longitudinal direction, and a high-frequency heating ring apparatus 1 which is located between the upper die apparatus and the lower die apparatus; the upper die device and the lower die device respectively comprise a template 2, a first driving component 3 for driving the template 2 to lift, an electric heating plate 4 for heating the back surface of the template 2, a second driving component 5 for driving the electric heating plate 4 to lift and pressurize the electric heating plate, a cooling plate 6 for cooling the back surface of the template 2, and a third driving component 7 for driving the cooling plate 6 to be inserted between the electric heating plate 4 and the template 2 and to be attached to the back surface of the template 2; and the temperature control component 8 is used for monitoring the temperature of the template 2. The working principle is as follows: the first driving component 3 drives the upper die device and the die plate 2 of the lower die device to the high-frequency heating ring device 1, then the high-frequency heating ring device 1 is started to preheat, the temperature of the template 2 is monitored by the temperature control component 8, when the mould reaches the preset temperature, the high-frequency heating ring device 1 stops heating, the second driving component 5 drives the electric heating plate 4 to approach the template 2 for pressing, the template 2 is heated and pressurized for the second time, the temperature of the template 2 is monitored by the temperature control component 8, when the hot-pressing temperature and time are reached, the second driving assembly 5 lifts the electric heating plate 4, and at this time, the third driving component 7 drives the cooling plate 6 to be inserted between the template 2 and the electric heating plate 4, and the cooling plate 6 is pressed down to be attached to the back surface of the template 2.
In addition, a plurality of groups of the glass hot bending devices can be arranged in parallel in one glass hot bending device, even the first driving assembly 3 and/or the second driving assembly 5 are shared, and a plurality of groups of the structures of the template 2, the high-frequency heating ring device 1, the third driving assembly 7 and the like are arranged, and all the structures belong to the structural scope of the scheme.
In the hot pressing process, the template 2 is rapidly heated in a high-frequency heating mode, when the preset temperature close to the hot pressing temperature is reached, the template 2 is secondarily heated and pressurized in an electric heating mode, so that the temperature of the template 2 is uniformly distributed, two times of heating in different forms are adopted, the heating efficiency and the uniformity of heat distribution are met, and the hot pressing production efficiency and the quality of glass are improved; after the hot pressing is finished, the template 2 is cooled, so that the rapid aging of the template 2 due to long-term high temperature can be avoided, and the service life of the template 2 is prolonged.
In one embodiment, a plurality of vertical set screws 61 are distributed on the back surface of the cooling plate 6, and the cooling plate 6 is abutted with the electric heating plate 4 through the set screws 61 on the back surface. Through holding screw 61 butt electric plate 4, can separate cooling plate 6 and electric plate 4 on the one hand, on the other hand, through adjusting each holding screw 61, can make cooling plate 6 with template 2 is more laminated to reach better cooling effect.
The first driving assembly 3 and the second driving assembly 5 can be realized by a conventional lifting driving structure, as a preferred embodiment, the first driving assembly 3 includes a first driving cylinder 31, a first driving fixing plate 32 mounted with the first driving cylinder 31, a first movable plate 33 driven by the first driving cylinder 31, and a plurality of first guide pillars 34 vertically fixed below the first movable plate 33, the formwork 2 is fixed at the bottom ends of the first guide pillars 34 and is parallel to the first movable plate 33; the second driving assembly 5 includes a second fixed plate 52, a plurality of second guide posts 54 vertically fixed below the second fixed plate 52, a second movable plate 53 slidably engaged with the second guide posts 54 through guide sleeves, and a second driving cylinder 51 fixed on the second fixed plate 52 and driving the second movable plate 53 to slide along the second guide posts 54, wherein the electric heating plate 4 is fixedly mounted on an inner side surface of the second movable plate 53; the first movable plate 33 is parallel to the upper side of the second fixed plate 52, and the first guide post 34 sequentially passes through the second fixed plate 52, the second movable plate 53 and the electric heating plate 4 and is in sliding fit with the second fixed plate 52. The second guide pillars 54 of the upper and lower die devices are common. In the structure, the first driving assembly 3 is integrally arranged on the second driving assembly 5 in a penetrating manner and does not interfere with each other, so that the volume of the equipment is reduced, two groups of driving assemblies move in the same axial direction, the relative positions cannot deviate, the stability of the equipment is higher, the attaching degree of the electric heating plate 4 and the template 2 is high, and the heating is more uniform; the structure between the first driving component 3 and the second driving component 5 is very compact under the condition of mutual noninterference, and the structure of the equipment is simplified and reduced.
In one embodiment, a fourth driving cylinder 55 with short-distance reciprocating motion is further disposed between the movable end of the second driving cylinder 51 and the second movable plate 53. The fourth driving cylinder 55 is used for lifting and pressing the template 2 during cooling, and the second driving cylinder 51 does not need to be started (the second driving cylinder 51 can be used for pressurizing), so that the energy is saved.
In one embodiment, the third driving assembly 7 includes a rail plate 71 fixed to the second fixing plate 52 in a transverse direction, a third driving cylinder 72 for driving the cooling plate 6 in the transverse direction, and a rail pair 73 mounted between the cooling plate 6 and the rail plate 71, and a rear surface of the cooling plate 6 abuts against a bottom surface of the electric heating plate 4. The guide rail plate 71 is fixed on the second fixing plate 52, i.e. can be lifted and lowered along with the second fixing plate 52 to be attached to the back surface of the template 2, so that the third driving assembly 7 omits a driving structure for pressing down, and the structure of the equipment is further simplified.
In one embodiment, the temperature control assembly 8 includes an infrared temperature sensor for detecting the real-time temperature of the heated template 2 in a non-contact manner.
A glass hot bending method comprising the steps of: s1, after the upper and lower corresponding templates 2 are covered, the templates 2 are heated from the periphery thereof through a high-frequency device to quickly reach the preset temperature; s2, after the preset temperature of the high-frequency heating is reached, secondarily heating the template 2 by using an electric heating device to enable the template to reach the preset hot-pressing temperature; s3, pressurizing and maintaining the template 2 at a preset hot-pressing temperature to finish hot pressing of the glass material; a preferred embodiment, further comprising the steps of: s4, after the hot pressing is completed, the die plate 2 is cooled.
In the hot pressing process, the template 2 is rapidly heated in a high-frequency heating mode, when the preset temperature close to the hot pressing temperature is reached, the template 2 is secondarily heated and pressurized in an electric heating mode, so that the temperature of the template 2 is uniformly distributed, two times of heating in different forms are adopted, the heating efficiency and the uniformity of heat distribution are met, and the hot pressing production efficiency and the quality of glass are improved; after the hot pressing is finished, the template 2 is cooled, so that the rapid aging of the template 2 due to long-term high temperature can be avoided, and the service life of the template 2 is prolonged.
The above description is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.
Claims (6)
1. A glass hot bending device is characterized in that: the high-frequency heating device comprises an upper die device, a lower die device and a high-frequency heating ring device, wherein the upper die device and the lower die device are arranged oppositely along the longitudinal direction, and the high-frequency heating ring device is positioned between the upper die device and the lower die device; the upper die device and the lower die device respectively comprise a template, a first driving component for driving the template to lift, an electric heating plate for heating the back surface of the template, a second driving component for driving the electric heating plate to lift and pressurize the electric heating plate, a cooling plate for cooling the back surface of the template, and a third driving component for driving the cooling plate to be inserted between the electric heating plate and the template and to be attached to the back surface of the template; the temperature control device also comprises a temperature control component for monitoring the temperature of the template.
2. A glass hot bending apparatus according to claim 1, wherein: the back of the cooling plate is distributed with a plurality of vertical set screws, and the cooling plate is abutted to the electric heating plate through the set screws on the back.
3. A glass bending apparatus according to claim 1 or 2, wherein: the first driving assembly comprises a first driving cylinder, a first fixed plate for mounting the first driving cylinder, a first movable plate driven by the first driving cylinder, and a plurality of first guide pillars vertically fixed below the first movable plate, and the template is fixed at the bottom ends of the first guide pillars and is parallel to the first movable plate; the second driving assembly comprises a second fixed plate, a plurality of second guide pillars vertically fixed below the second fixed plate, a second movable plate in sliding fit with the second guide pillars through guide sleeves, and a second driving air cylinder fixed on the second fixed plate and driving the second movable plate to slide along the second guide pillars, and the electric heating plate is fixedly mounted on the inner side surface of the second movable plate; the first movable plate is parallel to the upper part of the second fixed plate, and the first guide pillar sequentially penetrates through the second fixed plate, the second movable plate and the electric heating plate and is in sliding fit with the second fixed plate.
4. A glass hot bending apparatus according to claim 3, wherein: and a fourth driving cylinder with short-distance reciprocating motion is arranged between the movable end of the second driving cylinder and the second movable plate.
5. A glass hot bending apparatus according to claim 3, wherein: the third driving assembly comprises a guide rail plate transversely fixed with the second fixing plate, a third driving cylinder transversely driving the cooling plate, and a slide rail pair arranged between the cooling plate and the guide rail plate, and the back surface of the cooling plate is abutted to the bottom surface of the electric heating plate.
6. A glass hot bending apparatus according to claim 1, wherein: the temperature control assembly comprises an infrared temperature sensor for detecting the heating real-time temperature of the template in a non-contact manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764397.XU CN210287130U (en) | 2019-05-24 | 2019-05-24 | Glass hot bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764397.XU CN210287130U (en) | 2019-05-24 | 2019-05-24 | Glass hot bending device |
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| CN210287130U true CN210287130U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920764397.XU Active CN210287130U (en) | 2019-05-24 | 2019-05-24 | Glass hot bending device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002727A (en) * | 2019-05-24 | 2019-07-12 | 广东三超智能装备有限公司 | A kind of glass bending device and hot-bending method |
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2019
- 2019-05-24 CN CN201920764397.XU patent/CN210287130U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002727A (en) * | 2019-05-24 | 2019-07-12 | 广东三超智能装备有限公司 | A kind of glass bending device and hot-bending method |
| CN110002727B (en) * | 2019-05-24 | 2024-03-01 | 广东三超智能装备有限公司 | Glass hot bending method |
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