CN221235502U - Special processing equipment for high-precision curved toughened glass sheet - Google Patents
Special processing equipment for high-precision curved toughened glass sheet Download PDFInfo
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- CN221235502U CN221235502U CN202323101690.3U CN202323101690U CN221235502U CN 221235502 U CN221235502 U CN 221235502U CN 202323101690 U CN202323101690 U CN 202323101690U CN 221235502 U CN221235502 U CN 221235502U
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- 239000005341 toughened glass Substances 0.000 title claims abstract description 22
- 239000011521 glass Substances 0.000 claims abstract description 158
- 238000001816 cooling Methods 0.000 claims abstract description 91
- 238000001179 sorption measurement Methods 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000005496 tempering Methods 0.000 claims description 89
- 238000007664 blowing Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 13
- 210000000078 claw Anatomy 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 11
- 238000000748 compression moulding Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000003872 anastomosis Effects 0.000 description 14
- 238000010791 quenching Methods 0.000 description 9
- 230000000171 quenching effect Effects 0.000 description 9
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000000265 homogenisation Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
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- 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
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Abstract
A special processing device for high-precision curved surface toughened glass sheets comprises a heating softening furnace, a horizontal conveying roller way, a curved surface jacking forming machine, a curved surface supporting conveying mechanism, a uniform Wen Jileng toughening machine, a cooling supporting conveying mechanism and a vertical cooling mechanism, wherein the curved surface jacking forming machine presses glass blanks softened by the heating softening furnace into curved surface glass hot blanks, the curved surface glass hot blanks are adsorbed on the lower end face of an upper mold core through a vacuum adsorption structure, the self-weight deformation of the curved surface glass hot blanks is eliminated, the curved surface supporting conveying mechanism conveys the curved surface glass hot blanks into the uniform Wen Jileng toughening machine without deformation, and the uniform Wen Jileng toughening machine performs rapid cooling toughening processing on the curved surface glass hot blanks at a first uniform temperature and then at a low temperature.
Description
Technical field:
The utility model relates to the technical field of glass plate processing, in particular to curved glass plate processing equipment.
The background technology is as follows:
At present, curved toughened glass sheets are produced separately, curved glass sheet finished products are produced firstly, and then toughened according to the requirements of customers. The existing curved glass processing method is hot press molding, natural cooling or small wind cooling, and the specific preparation steps are as follows:
And (3) blanking the flat glass according to the unfolding size of the curved glass sheet, heating the flat common glass sheet to 700+/-10 ℃ to enable the glass sheet to be in a softened state, then inputting the flat common glass sheet into a curved surface forming lower die holder, arranging a forming upper die pressing block corresponding to the curved surface of the forming lower die holder above the forming lower die holder, carrying out hot press forming deformation on the softened hot glass sheet through the downward movement of the upper die holder to obtain a curved glass hot blank, then supporting the hot pressed curved glass hot blank from bottom to top and removing the hot pressed curved glass hot blank along the side surface through a double-rod supporting sheet mechanism arranged on the side surface, horizontally placing the flat common glass sheet on a conveying line, and naturally cooling to room temperature or cooling to room temperature by small air, thereby obtaining the curved glass tile-shaped sheet made of common glass material, and carrying out additional toughening processing if toughened curved glass is required.
The existing curved glass processing method has low curved arc-shaped dimensional precision, even the curved glass sheets produced in the same batch are poor in overlapping fitness, and the stress of different parts of the curved glass sheets is different, so that the curved glass sheets are poor in uniformity and easy to damage and self-crack. The applicant carries out serious observation, analysis and research on the existing curved glass sheet processing method, after the glass hot blank is hot-pressed and formed, the curved glass hot blank in a softened state is supported by two rod bodies distributed at intervals, and as the glass hot blank just hot-pressed and formed is still in a softened state, the two side edges of the glass hot blank are supported by two rod bodies distributed at intervals, the curved glass hot blank naturally deforms under the action of self gravity, and the main reason that the dimensional precision of the curved surface of the curved glass hot blank after the curved glass hot blank is finally formed after cooling is non-uniform is that. In the whole curved glass sheet processing process, the supporting and positioning modes of the curved glass are unreasonable in the whole conveying and cooling process after compression molding, and the temperature difference of a cooling temperature field is too large, so that the stress of different parts of the curved glass sheet is inevitably different, the uniformity is poor, and the curved glass sheet is easy to damage and self-crack.
The utility model comprises the following steps:
The utility model aims to provide special processing equipment for high-precision curved toughened glass sheets, which can produce high-precision toughened glass sheets, solve the problem of low dimensional precision of curved surfaces in the prior art, ensure uniform toughening degree of the curved toughened glass, ensure uniformity of stress at different parts of the curved toughened glass sheets, and reduce breakage and self-explosion rate of the curved toughened glass sheets.
The technical scheme adopted by the utility model is as follows:
The utility model provides a special processing equipment of high accuracy curved surface toughened glass sheet, include heating softening furnace in proper order, the horizontal rollgang, curved surface roof pressure make-up machine, curved surface holds conveying mechanism, all Wen Jileng tempering machine, the cooling holds conveying mechanism and vertical cooling mechanism, heating softening furnace heats original glass blank to 700+/-10 ℃, make the original glass blank of flat form be in the state of softening, the horizontal rollgang is used for carrying the original glass blank that heats the softening to the compression station of curved surface roof pressure make-up machine, curved surface roof pressure make-up machine suppresses the glass blank that softens into curved surface glass hot blank, and adsorb curved surface glass hot blank on the lower terminal surface of last mold core by vacuum adsorption structure, eliminate the dead weight deformation of curved surface glass hot blank, curved surface holds conveying mechanism and sets up between curved surface roof pressure make-up machine and all Wen Jileng tempering machine, its function is with curved surface glass hot blank that curved surface roof pressure make-up machine presses to all Wen Jileng fast conveying to the tempering machine with full width of cloth hold mode, in order to eliminate the deformation of curved surface glass hot blank in the conveying process, all Wen Jileng tempering machine carries out temperature rapid treatment and low temperature and holds up the tempering mechanism to the tempering machine and cooling mechanism and cooling down and take off the tempering mechanism and cooling mechanism is cooled down to the vertical cooling mechanism and cooling mechanism through the table 35 after the tempering machine is cooled down to the vertical cooling mechanism, the function is cooled down and cooling mechanism is cooled down to be cooled by the tempering mechanism and 35 and cooling mechanism to accomplish the tempering plate 35.
Further, the curved surface jacking forming machine comprises an upper mold core and a lower mold core, a vacuum adsorption structure is arranged on the upper mold core, a lower mold driving part is arranged below the lower mold core, the upper mold core is fixed, the lower mold core is driven by the lower mold driving part to realize upward movement to finish compression molding pressing or downward movement demoulding, and the lower mold driving part is a hydraulic telescopic cylinder or a telescopic cylinder. The vacuum adsorption structure comprises an adsorption pore passage communicated with the pressing surface of the upper mold core, and the adsorption pore passage is connected with a vacuum air pump.
Further, the curved surface supporting and conveying mechanism is a chain conveying structure which is distributed at intervals, and curved surface anastomotic supporting and holding plates are symmetrically arranged on the two synchronous chains and are used for conveying the pressed curved surface glass hot blanks to the Wen Jileng tempering stations through the curved surface anastomotic supporting and holding plates.
Further, the uniform Wen Jileng tempering machine comprises an upper blowing nozzle group, a lower blowing nozzle group, a ventilation valve, a uniform temperature air source and a tempering cold air source, wherein the air outlet ends of the upper blowing nozzle group and the lower blowing nozzle group respectively correspond to the upper curved surface and the lower curved surface of the curved surface glass hot blank to be tempered, the distance between the air outlet ends and the corresponding surfaces of the curved surface glass hot blank is 2-5 mm, and the upper blowing nozzle group and the lower blowing nozzle group are connected with the uniform temperature air source and the tempering cold air source through the ventilation valve.
Further, the cooling supporting conveying mechanism is a chain conveying structure with interval distribution, curve strip-shaped cooling brackets are symmetrically arranged on the two synchronous chains, the function of the cooling supporting conveying mechanism is to move tempered curved glass plates after tempering out of the Wen Jileng tempering machine through the curve strip-shaped cooling brackets, at the moment, two groups of lifting supporting claws positioned at the Wen Jileng tempering stations synchronously move downwards, the tempered curved glass plates fall on the two curve strip-shaped cooling brackets, the tempered curved glass plates are conveyed to the vertical cooling mechanism along with the curve strip-shaped cooling brackets, the tempered curved glass plates are respectively inserted between two adjacent vertical limiting rod groups on the vertical cooling mechanism, move forwards along with the vertical cooling mechanism for cooling, and can be put into a warehouse after being cooled to room temperature when moving to the end.
Further, vertical cooling mechanism includes the belt conveyor, equidistant vertical gag lever post group that is equipped with on the conveyer belt, the interval between two adjacent vertical gag lever post groups holds a toughened curved surface glass panel, after the toughened curved surface glass panel accomplished the tempering, curved strip cooling bracket moves to samming tempering station, at this moment, two sets of over-and-under type in the equal Wen Jileng tempering machine hold the claw and move down, toughened curved surface glass panel falls on curved strip cooling bracket, toughened curved surface glass panel conveys vertical cooling mechanism along with curved strip cooling bracket, toughened curved surface glass panel inserts respectively between vertical gag lever post group of vertical cooling mechanism, vertical forward along with the conveyer line, when moving to the terminal cooling to room temperature, can be off-line and put in storage.
Further, the tempering of the curved glass hot blank is carried out by a Wen Jileng tempering machine in two steps, the first step uses hot air with the temperature of 500-510 ℃ to carry out the tempering treatment before tempering, so that the temperature of the curved glass hot blank to be tempered is homogenized, the homogenized hot air flow is 2-5 cubic meters per second per square meter, the air pressure is 1400Pa, the homogenizing time is 15-30 seconds, the second step moves up two groups of lifting holding claws positioned before and after the curved glass hot blank, so that the curved glass hot blank to be tempered is separated from a curved anastomosis holding plate, the anastomosis holding plate returns to the right side, the curved glass hot blank to be tempered is subjected to full-side rapid cooling tempering by cold air with the temperature of 0-5 ℃, the cold air flow is 4-5 cubic meters per second per square meter, the air pressure is 1400Pa, the quenching tempering time is 10-15 seconds, and the tempering uniformity and the tempering speed are improved.
The special processing equipment for the high-precision curved toughened glass sheet is designed according to the scheme of a processing section distributed as follows, and sequentially comprises a heating softening section, a compression molding section, a uniform temperature toughening section and a vertical cooling section, wherein,
A heating softening section for blanking the planar glass plate with the thickness phase according to the unfolding size of the curved glass plate to obtain an original glass blank; heating the original glass blank to 700+/-10 ℃ by using a heating softening furnace to enable the original glass blank to be in a softened state, and conveying the softened original glass blank to a compression molding working section through a horizontal conveying roller way;
The curved surface jacking forming machine comprises an upper mold core and a lower mold core, wherein a vacuum adsorption structure is arranged on the upper mold core, the upper mold core is fixed, the lower mold core is lifted up to realize press forming with the upper mold core, after the compression forming is finished, the formed curved surface glass hot blank is adsorbed on the lower end surface of the upper mold core by the vacuum adsorption structure arranged on the upper mold core, a curved surface anastomosis supporting and holding moving mechanism arranged between a uniform Wen Jileng toughening section and the compression forming section moves a curved surface anastomosis supporting and holding plate to the lower part of a curved surface glass hot blank of the compression forming section, the lower mold core moves downwards, and a vacuum adsorption device on the upper mold core performs vacuum desorption to enable the curved surface glass hot blank and the lower mold core to be demolded, so that the curved surface glass hot blank is horizontally arranged on a curved surface anastomosis supporting and holding plate and is quickly moved to a uniform temperature toughening section;
A temperature equalization tempering working section, wherein a temperature equalization treatment and quenching tempering treatment are carried out on a curved glass thermal blank to be tempered by a temperature equalization Wen Jileng tempering machine, an upper air blowing nozzle group and a lower air blowing nozzle group are respectively arranged on the upper curved surface and the lower curved surface corresponding to the curved glass thermal blank to be tempered in a temperature equalization tempering cavity, the distances between all the air blowing nozzle groups and the corresponding curved surfaces of the curved glass thermal blank to be tempered are 2-5 mm, the upper air blowing nozzle group and the lower air blowing nozzle group are communicated with a temperature equalization air source and a tempering cold air source through air exchange valves, and the curved glass thermal blank is subjected to temperature equalization treatment and rapid cooling tempering treatment in sequence in the temperature equalization tempering working section for several times so as to improve the tempering uniformity and tempering speed; in a uniform temperature tempering working section, tempering of the curved glass hot blank is performed in two steps, wherein the first step is performed with hot air with the temperature of 500+/-10 ℃ before tempering, so that the temperature of the curved glass hot blank to be tempered is uniform to 670-675 ℃; and secondly, moving up two groups of holding claws positioned in front of and behind the curved glass hot blank to drive the toughened curved glass hot blank to move up, separating the curved glass hot blank to be toughened from the curved anastomosis holding plate, moving the curved anastomosis holding plate to the right to the original position, and rapidly cooling and toughening the curved glass hot blank to be toughened to 200+/-10 ℃ by using cold air with the temperature of 0-5 ℃.
The vertical cooling section is arranged after the temperature equalization tempering section, after the temperature equalization tempering of the curved glass hot blank is completed, two groups of lifting supporting claws in the Wen Jileng tempering machine move downwards, the tempered curved glass plate falls on the curved strip cooling bracket, the tempered curved glass plate is conveyed to the vertical cooling mechanism along with the curved strip cooling bracket, the tempered curved glass plate is respectively inserted between two adjacent groups of vertical limiting rods on the vertical cooling mechanism, is vertically cooled and moves forwards along with the vertical cooling mechanism, is cooled to room temperature when moving to the end, and can be taken off line and put in storage.
After the curved surface jacking forming is finished, the whole surface of the formed curved surface glass hot blank is suspended and adsorbed through a vacuum adsorption structure arranged on an upper mold core, demolding is realized through a mode that the vacuum adsorption structure loses vacuum and a lower mold core moves downwards and lifts, a curved surface anastomosis supporting plate positioned on the right side of a uniform Wen Jileng tempering working section is moved to the lower side of the curved surface glass hot blank after demolding, when the lower mold core moves downwards to a limiting position, the vacuum adsorption structure is closed, so that the curved surface glass hot blank loses vacuum adsorption and is horizontally placed on the curved surface anastomosis supporting plate, and the curved surface glass hot blank is quickly transferred to the uniform Wen Jileng tempering working section; in the process, the curved glass hot blank is always supported by the curved anastomosis supporting plate in full width, so that wing bending deformation caused by the dead weight of the curved glass hot blank is eliminated in the station transferring process, after the curved glass hot blank enters a uniform Wen Jileng tempering machine, a tempering method of firstly homogenizing temperature and then quenching is adopted, the curved glass hot blank is changed into a suspended state with two sides lifted up before quenching tempering, the upper and lower curved surfaces of the curved glass hot blank are maximally exposed, the simultaneous low-temperature quenching tempering is ensured, and the tempering uniformity and the tempering speed of the curved tempered glass plate are improved.
Description of the drawings:
FIG. 1 is a flow chart of a process for producing a curved tempered glass sheet;
FIG. 2 is a schematic view of the structure of the present utility model (curved tempered glass sheet processing apparatus);
fig. 3 is a structural view of a heat softening furnace;
FIG. 4 is a schematic view of a curved surface press molding machine;
fig. 5 is a schematic structural view of a Wen Jileng tempering machine;
FIG. 6 is a schematic view of a vertical cooling device;
Fig. 7 is a schematic structural view of the lifting type holding claw.
In the figure: 1-heating and softening furnace; 2-a horizontal conveying roller way; 3-a curved surface jacking forming machine; 4-a curved surface supporting and conveying mechanism; 5-Wen Jileng parts of tempering machine; 6-cooling, supporting and conveying mechanism; 7-a vertical cooling mechanism; 8-raw glass blank; 9-curved glass hot blank; 10-tempering a curved glass plate; 31-upper mold core; 32-a lower mold core; 33-vacuum adsorption structure; 34-a lower die driving part; 41-a curved anastomosis holding plate; 51-upper air nozzle group; 52-a lower air nozzle group; 53-a scavenging valve; 54-an equal-temperature hot air source; 55-tempering a cold air source; 56-lifting type holding claws; 61-curved bar cooling brackets; 71-a conveyor belt; 72-vertical stop lever sets.
The specific embodiment is as follows:
the following detailed description of specific embodiments of the utility model refers to the accompanying drawings, which illustrate in detail:
Example 1: the special processing equipment for high-precision curved toughened glass sheets comprises a heating softening furnace 1, a horizontal conveying roller way 2, a curved surface jacking forming machine 3, a curved surface supporting conveying mechanism 4, all Wen Jileng toughening machines 5, a cooling supporting conveying mechanism 6 and a vertical cooling mechanism 7, wherein the heating softening furnace 1 heats an original glass blank 8 to 700+/-10 ℃ to enable the flat original glass blank 8 to be in a softened state, the horizontal conveying roller way 2 is used for conveying the heated and softened original glass blank 8 to a molding station of the curved surface jacking forming machine 3, the curved surface jacking forming machine 3 presses the softened glass blank into a curved surface glass hot blank 9, full-width adsorption of the curved surface glass hot blank 9 is realized through a vacuum adsorption structure 33 on an upper mold core 31, the dead weight deformation of the curved surface glass hot blank 9 is eliminated, the curved surface supporting and conveying mechanism 4 rapidly conveys the curved surface glass thermal blank 9 into the uniform Wen Jileng toughening machine 5 in a full-width supporting mode so as to eliminate deformation of the curved surface glass thermal blank 9 in the conveying process, the uniform Wen Jileng toughening machine 5 performs temperature homogenization treatment and low-temperature rapid cooling toughening on the upper and lower surfaces of the curved surface glass thermal blank 9, namely toughening is performed in two steps, the first step performs uniform temperature treatment before toughening by hot air with the temperature of 500-510 ℃ so as to homogenize the temperature of the curved surface glass thermal blank to be toughened, the homogenization hot air flow rate is 2-5 cubic meters per square meter, the air pressure is 1400Pa, the homogenization time is 15-30 seconds, the second step moves up two groups of supporting claws positioned in front of and behind the curved surface glass thermal blank 9 so as to separate the curved surface glass thermal blank 9 to be toughened from an anastomotic supporting plate, the anastomotic supporting plate retreats to the right side to be in situ, the curved surface glass thermal blank 9 to be toughened is rapidly cooled and toughened in all directions by cold air with the temperature of 0-5 ℃, the flow of cold air is 4-5 cubic meters per second per square meter, the wind pressure is 1400Pa, the quenching tempering time is 10-15 seconds, and the tempering uniformity and the tempering speed are improved.
In this example, the pressing forming die in the curved surface pressing forming machine 3 includes an upper die core 31 and a lower die core 32, a vacuum adsorption structure 33 is disposed on the upper die core 31, a lower die driving component 34 for driving the lower die core to lift is disposed below the lower die core 32, the upper die core 31 is fixed, the lower die core 32 is driven by the lower die driving component 34 to implement upward movement to complete compression molding pressing or downward movement demolding, and the lower die driving component 34 is a hydraulic telescopic cylinder or a telescopic cylinder. The vacuum suction and adsorption structure 33 comprises an adsorption pore canal communicated with the pressing surface of the upper mold core 31, and the adsorption pore canal is connected with a vacuum air pump.
The curved surface supporting and conveying mechanism 4 is a chain conveying structure which is distributed at intervals, and curved surface anastomotic supporting and holding plates 41 are symmetrically arranged on two synchronous chains and are used for conveying curved surface glass hot blanks 9 pressed and formed by the curved surface jacking and forming machine 3 to the uniform Wen Jileng toughening machine 5 through the curved surface anastomotic supporting and holding plates 41.
The uniform Wen Jileng tempering machine 5 comprises an upper blowing nozzle group 51, a lower blowing nozzle group 52, a ventilation valve 53, a uniform temperature air source 54 and a tempering cold air source 55, wherein the air outlet ends of the upper blowing nozzle group 51 and the lower blowing nozzle group 52 respectively correspond to the upper curved surface and the lower curved surface of the curved glass hot blank 9 to be tempered, the distance between the air outlet ends and the corresponding surfaces of the curved glass hot blank 9 is 2-5 mm, the upper blowing nozzle group 51 and the lower blowing nozzle group 52 are connected with the uniform temperature air source 54 and the tempering cold air source 55 through the ventilation valve 53, the air temperature of the uniform temperature air source 54 is 500-510 ℃, the air inlet flow is 2-3 cubic meters per second, and the air pressure is 1400Pa; the temperature of the tempering cold air source 55 is 0-5 ℃, the air inlet flow is 4-5 cubic meters per second per square meter, and the air pressure is 1400Pa.
The cooling supporting and conveying mechanism 6 is a chain conveying structure with interval distribution, curve strip-shaped cooling brackets 61 are symmetrically arranged on two synchronous chains, the function of the cooling supporting and conveying mechanism is that the tempered curved glass sheet 10 after tempering is moved out of Wen Jileng tempering stations through the curve strip-shaped cooling brackets 61, at the moment, two groups of lifting supporting claws 56 positioned at Wen Jileng tempering stations synchronously move downwards, the tempered curved glass sheet 10 falls on the two curve strip-shaped cooling brackets 61, the tempered curved glass sheet 10 is conveyed to the vertical cooling mechanism 7 along with the curve strip-shaped cooling brackets 61, the tempered curved glass sheet 10 is respectively inserted between two adjacent vertical limiting rod groups 72 on the vertical cooling mechanism 7, vertically moves forwards along with a conveyor, is cooled to room temperature when the tempered curved glass sheet is moved to an end, and can be put into a warehouse after being put into a line.
The vertical cooling mechanism 7 comprises a belt conveyor, vertical limiting rod groups 72 are arranged on a conveying belt 71 at equal intervals, a toughened curved glass plate 10 is accommodated in the space between every two adjacent vertical limiting rod groups 72, after the toughened curved glass plate 10 is toughened, the curved strip-shaped cooling bracket 61 is moved to a uniform temperature toughening station, at the moment, two groups of lifting supporting claws 56 of the uniform temperature toughening station move downwards, the toughened curved glass plate 10 falls on the curved strip-shaped cooling bracket 61, the toughened curved glass plate 10 is conveyed to the vertical cooling mechanism 7 along with the curved strip-shaped cooling bracket 61, the toughened curved glass plate 10 is respectively inserted between the vertical limiting rod groups 72 of the vertical cooling mechanism 7, moves vertically forwards along with the conveying line, is cooled to room temperature when moving to the end, and can be put into a warehouse.
Because the mould is preheated to 320+/-10 ℃ before mould pressing, after the curved surface jacking forming is finished, the temperature of the curved surface glass hot blank 9 can be kept at 690+/-10 ℃, the whole surface of the formed curved surface glass hot blank 9 is suspended and adsorbed by arranging a vacuum adsorption structure 33 on an upper mould core 31, demoulding is realized by losing vacuum through the vacuum adsorption structure 33 and moving a lower mould core 32 downwards and lifting, and after demoulding, the pressed formed curved surface glass hot blank 9 is conveyed to a Wen Jileng tempering station through a curved surface anastomosis supporting and holding plate 41 by a curved surface supporting and conveying mechanism 4 arranged between the mould pressing forming machine 3 and the Wen Jileng tempering machine 5.
Namely, after the curved surface jacking forming is finished, a curved surface anastomosis supporting plate 41 positioned on the right side of a tempering working section of Wen Jileng is moved to the lower part of a curved surface glass hot blank 9, when a lower mold core 32 is moved to a limit position downwards, a vacuum adsorption mechanism 33 is closed, so that the curved surface glass hot blank 9 is laid on the curved surface anastomosis supporting plate 41 without vacuum adsorption, and is quickly transferred to the tempering working section of Wen Jileng; in the process, the curved glass hot blank 9 is always supported by the curved surface full width, so that wing bending deformation caused by the dead weight of the curved glass hot blank 9 is eliminated in the station transferring process, when the curved glass hot blank enters a Wen Jileng tempering station, a tempering method of firstly homogenizing temperature and then quenching is adopted, the temperature of the curved glass hot blank 9 is controlled at 670 ℃ +/-10 ℃, the curved glass hot blank 9 is changed into a suspended state with two sides lifted up before quenching tempering, the upper and lower curved surfaces of the curved glass hot blank 9 are maximally exposed, and finally rapid cooling is carried out by using the temperature of 0-5 ℃, so that the tempering at the same time of low-temperature quenching is ensured, the tempering uniformity and tempering speed of a curved glass plate are improved, and meanwhile, the hardness uniformity of a sheet is better.
Claims (6)
1. A special processing device for high-precision curved toughened glass sheets is characterized in that: the method sequentially comprises a heating softening furnace (1), a horizontal conveying roller way (2), a curved surface jacking forming machine (3), a curved surface supporting conveying mechanism (4), a uniform Wen Jileng tempering machine (5), a cooling supporting conveying mechanism (6) and a vertical cooling mechanism (7), wherein the heating softening furnace (1) heats an original glass blank (8) to 700+/-10 ℃ to enable the flat original glass blank (8) to be in a softened state, the horizontal conveying roller way (2) is used for conveying the heated and softened original glass blank (8) to a mould pressing station of the curved surface jacking forming machine (3), the curved surface jacking forming machine (3) presses the softened glass blank into a curved surface glass hot blank (9), the curved surface hot blank (9) is adsorbed on the lower end face of an upper mould core (31) by a vacuum adsorption structure (33), the dead weight deformation of the curved surface glass hot blank (9) is eliminated, the curved surface supporting conveying mechanism (4) is arranged between the curved surface jacking forming machine (3) and the uniform Wen Jileng tempering machine (5), the curved surface hot blank (9) pressed by the curved surface jacking forming machine (3) is conveyed to a full temperature in a mode of the tempering machine (35) to be rapidly deformed in a uniform temperature of the curved surface (35 ℃ at the same time, the temperature of the tempering machine (35) is rapidly carried out in a uniform thermal tempering process of the curved surface hot blank (9), the cooling supporting conveying mechanism (6) is arranged between the uniform Wen Jileng tempering machine (5) and the vertical cooling mechanism (7), and has the functions of enabling the tempered curved glass plate (10) after tempering to be moved out of the uniform Wen Jileng tempering machine (5) through the cooling supporting conveying mechanism (6) and conveyed to the vertical cooling mechanism (7), and the tempered curved glass plate (10) is cooled to room temperature through the vertical cooling mechanism (7).
2. The special processing device for high-precision curved tempered glass sheets according to claim 1, wherein the special processing device is characterized in that: the curved surface jacking forming machine (3) comprises an upper mold core (31) and a lower mold core (32), a vacuum adsorption structure (33) is arranged on the upper mold core (31), a lower mold driving part (34) is arranged below the lower mold core (32), the upper mold core (31) is fixed, the lower mold core (32) is driven by the lower mold driving part (34) to realize upward movement to finish compression molding pressing or downward movement demolding, the lower mold driving part (34) is a hydraulic telescopic cylinder or a telescopic cylinder, and the vacuum adsorption structure (33) comprises an adsorption pore channel communicated with a pressing surface of the upper mold core (31), and the adsorption pore channel is connected with a vacuum air pump.
3. The special processing device for high-precision curved tempered glass sheets according to claim 1, wherein the special processing device is characterized in that: the curved surface supporting and conveying mechanism (4) is a chain conveying structure which is distributed at intervals, and curved surface anastomotic supporting and holding plates (41) are symmetrically arranged on two synchronous chains and are used for conveying curved surface glass hot blanks (9) pressed and formed by a curved surface jacking and forming machine (3) to the uniform Wen Jileng tempering machine (5) through the curved surface anastomotic supporting and holding plates (41).
4. The special processing device for high-precision curved tempered glass sheets according to claim 1, wherein the special processing device is characterized in that: the uniform Wen Jileng tempering machine (5) comprises an upper blowing nozzle group (51), a lower blowing nozzle group (52), a ventilation valve (53), a hot air source (54) and a tempering cold air source (55), wherein the air outlet ends of the upper blowing nozzle group (51) and the lower blowing nozzle group (52) respectively correspond to the upper curved surface and the lower curved surface of a curved glass hot blank (9) to be tempered, the distance between the corresponding surfaces of the upper blowing nozzle group (51) and the lower blowing nozzle group (52) is 2-5 mm, and the upper blowing nozzle group (51) and the lower blowing nozzle group (52) are connected with the hot air source (54) and the tempering cold air source (55) through the ventilation valve (53).
5. The special processing device for high-precision curved tempered glass sheets according to claim 1, wherein the special processing device is characterized in that: the cooling supporting conveying mechanism (6) is of a chain conveying structure which is distributed at intervals, two synchronous chains are symmetrically provided with curved strip-shaped cooling brackets (61), the curved strip-shaped cooling brackets are used for moving tempered curved glass plates (10) which are tempered out of the Wen Jileng tempering machine (5) through the curved strip-shaped cooling brackets (61), at the moment, two groups of lifting supporting claws (56) which are positioned at the tempering stations of Wen Jileng synchronously move downwards, the tempered curved glass plates (10) fall on the two curved strip-shaped cooling brackets (61), the tempered curved glass plates (10) are conveyed to the vertical cooling mechanism (7) along with the curved strip-shaped cooling brackets (61), the tempered curved glass plates (10) are respectively inserted between two adjacent vertical limiting rod groups (72) on the vertical cooling mechanism (7), and are cooled along with the vertical cooling mechanism (7) in a forward mode, and can be put into a line and warehouse after being cooled to room temperature when the tempered glass plates move to the end.
6. The special processing device for high-precision curved tempered glass sheets according to claim 1, wherein the special processing device is characterized in that: the vertical cooling mechanism (7) comprises a belt conveyor, vertical limiting rod groups (72) are arranged on the conveying belt (71) at equal intervals, a toughened curved glass plate (10) is accommodated in the space between every two adjacent vertical limiting rod groups (72), after toughening of the toughened curved glass plate (10) is completed, the curved strip-shaped cooling brackets (61) move to a uniform temperature toughening station, at the moment, two groups of lifting supporting claws (56) in the uniform Wen Jileng toughening machine (5) move downwards, the toughened curved glass plate (10) falls on the curved strip-shaped cooling brackets (61), the toughened curved glass plate (10) is conveyed to the vertical cooling mechanism (7) along with the curved strip-shaped cooling brackets (61), the toughened curved glass plate (10) is respectively inserted between the vertical limiting rod groups (72) of the vertical cooling mechanism (7), moves vertically along with the conveying line, is cooled to room temperature when moving to the end, and can be put into a warehouse.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323101690.3U CN221235502U (en) | 2023-11-16 | 2023-11-16 | Special processing equipment for high-precision curved toughened glass sheet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323101690.3U CN221235502U (en) | 2023-11-16 | 2023-11-16 | Special processing equipment for high-precision curved toughened glass sheet |
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| CN221235502U true CN221235502U (en) | 2024-06-28 |
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| CN202323101690.3U Active CN221235502U (en) | 2023-11-16 | 2023-11-16 | Special processing equipment for high-precision curved toughened glass sheet |
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