CN209957644U

CN209957644U - L-shaped bent toughened glass processing device

Info

Publication number: CN209957644U
Application number: CN201920455318.7U
Authority: CN
Inventors: 郑智
Original assignee: JIAYUGUAN TIANBAO HOT BENDING GLASS TECHNIQUE Co Ltd
Current assignee: JIAYUGUAN TIANBAO HOT BENDING GLASS TECHNIQUE Co Ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-01-17
Anticipated expiration: 2029-04-04

Abstract

The utility model discloses a L shape toughened glass's of bending processingequipment belongs to crooked glass tempering technical field to solve L shape crooked glass and do not have professional equipment, produce problem discontinuous, that the efficiency is low. The device comprises an L-shaped pressing forming device, a quenching device, a cooling device and a hot bending furnace arranged at the front end of the L-shaped pressing forming device, wherein a furnace roller is arranged at the bottom of the hot bending furnace; an L-shaped pressing device matched with the L-shaped supporting device in shape is arranged above the L-shaped supporting device, and the quenching devices are a group which are symmetrically arranged up and down. The utility model discloses combine L shape toughened glass's of bending softening, shaping, rapid cooling tempering, cooling link, realize serialization, high efficiency, automated production.

Description

L-shaped bent toughened glass processing device

Technical Field

The utility model belongs to the technical field of crooked glass tempering, concretely relates to L shape toughened glass's processingequipment of bending.

Background

The physical toughened glass is also called as quenched toughened glass, and is prepared by heating common plate glass in a heating furnace to a temperature close to the softening temperature of the glass, eliminating internal stress through self deformation, then removing the glass out of the heating furnace, and blowing high-pressure cold air to two sides of the glass by using a multi-head nozzle to rapidly and uniformly cool the glass to room temperature. After tempering treatment, uniform compressive stress is formed on the surface of the glass, and tensile stress is formed inside the glass, so that the bending strength and the impact strength of the glass are improved, and the strength of the glass is about four times that of common annealed glass. The toughened glass which is well toughened can not be cut, ground and the like or damaged, otherwise the toughened glass can be broken into 'broken bones' due to the damage of the uniform pressure stress balance, so that the toughened glass with special shapes is immediately subjected to hot bending forming.

The production method of the glass hot-bending toughened glass in the prior art has two types: one is that the glass is heated in a furnace in one step to reach the deformation temperature, then the deformable glass is sent to a wind grid by a roll shaft, and is bent and formed by the movement of the roll shaft to obtain the required shape and then is tempered, but the equipment cost is high; the hot bending forming mechanism has strict manufacturing requirements and great difficulty; the bending degree of the produced glass often cannot meet the requirement, and some bent glass with special shapes cannot be made. The other method is to adopt a mold type, put the hot bent toughened glass on a prepared mold, put the mold into a hearth to be heated, bent and molded, and then convey the heated glass into an air grid to be cooled and toughened; but the problem of movement in a high-temperature state in the hearth is difficult to solve; and the hot bending toughening furnace can not be continuously produced because the hot bending toughening furnace needs to be transported into the air grid after the furnace is opened, and the production efficiency is low.

And the bending of natural forming is overlarge during the tempering of the L-shaped bent glass, and in the production of the L-shaped bent tempered glass with bending formed by a part of special small radian, special auxiliary forming equipment is needed to temper after forming the bending radian meeting the order requirement, and the L-shaped bending die capable of forming bending is considered to be combined with the whole production line to realize continuous production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a L shape toughened glass's processingequipment that bends to solve the curved glass tempering of L shape and do not have professional equipment, production discontinuity, the problem of inefficiency.

In order to solve the above problems, the utility model discloses technical scheme does:

a processing device for L-shaped bent toughened glass comprises an L-shaped pressing forming device, a quenching device, a cooling device and a hot bending furnace arranged at the front end of the L-shaped pressing forming device, wherein a furnace roller is arranged at the bottom of the hot bending furnace; an L-shaped pressing device matched with the L-shaped supporting device in shape is arranged above the L-shaped supporting device, at least two first long rolling shafts and first short rolling shafts are sequentially arranged above the lifting platform, and the first long rolling shafts are adjacent to the rolling shafts in the furnace and are flush in height; the quenching device is a group which is arranged in an up-down symmetrical mode, one end of the conveying track is located between the first long rolling shaft and the first short rolling shaft, the other end of the conveying track penetrates through the hollow position of the quenching device and extends to the upper portion of the cooling device, and the width between the conveying track groups is larger than the length of the first short rolling shaft.

Furthermore, the cooling device comprises a second short roller and a second long roller which are sequentially arranged at the rear end, the second short roller and the second long roller are arranged on the lifting support platform, the length of the second short roller is smaller than the width between groups of the transportation tracks, and the upper surfaces of the second short roller and the second long roller are paved with an upper rolling protection device.

Furthermore, the L-shaped supporting device comprises a lower frame and lower forming supporting plates, wherein one side of the lower frame is provided with a group of lower forming supporting plates, one lower forming supporting plate and the lower frame are in the same plane, the other lower forming supporting plate is positioned below the lower frame and is vertical to the plane of the lower frame, and an L shape is formed between the lower forming supporting plates; the L-shaped pressing device comprises an upper frame, upper forming pressing plates and a pressurizing rod, wherein the pressurizing rod is arranged on the upper frame, one side of the upper frame is provided with a group of upper forming pressing plates, one upper forming pressing plate and the upper frame are in the same plane, the other upper forming pressing plate is positioned below the upper frame and is vertical to the plane of the upper frame, and the upper forming pressing plates are matched with the lower forming supporting plates.

Furthermore, an inclined lower transition plate is arranged between the forming support plates, and an inclined upper transition plate is arranged between the upper forming pressing plates; the upper transition plate is a flat plate or an arc-shaped plate.

Furthermore, a lower edge rod is arranged on the plane of a lower forming supporting plate below the lower frame in an extending mode, a supporting plate is arranged on the other side of the lower frame, and a middle supporting plate is arranged in the middle of the lower frame; an upper side rod extends on the plane of the upper forming pressing plate below the upper frame.

Further, a sensor is arranged on the transportation track and is arranged at the position of the transportation track, which is positioned at the middle and rear section in the quenching device; the transportation track both ends all are equipped with the stopper.

Furthermore, the quenching device comprises at least two groups of air distribution plates which are arranged in an up-and-down symmetrical mode, a plurality of air blowing openings are formed in the air distribution plates, and air filtering nets are arranged on the surfaces of the air blowing openings.

Furthermore, two ends of the second long rolling shaft are provided with blowing devices.

The utility model has the advantages as follows:

(1) the device realizes the continuous production of the L-shaped bent toughened glass through the devices corresponding to the four-section process, realizes the slow movement of the glass at the softening furnace bottom through the additionally arranged roller in the furnace, on one hand, the glass is heated and softened more uniformly, on the other hand, the glass is slowly transported out and connected with the L-shaped pressing and forming device, and the integrated production is realized; the softened glass is transported to a first short roller through a first long roller, and because the length of the first short roller is shorter than the distance between the transportation track groups, after the lifting platform falls down, the softened glass falls on an L-shaped supporting device of an L-shaped pressing forming device, the glass is pressed into an L shape through the L-shaped pressing device, and is rapidly moved to the next procedure, in the process, the pressing and transporting processes are closely combined, and the whole production process is connected; controlling the formed L-shaped glass to reciprocate on the conveying track along with the moving part in the quenching process, forming prestress on the surface of the glass, ensuring that the glass is not cracked, and finishing glass tempering when the quenching is finished; transporting the tempered glass to a cooling device again by means of the transportation rail for cooling;

(2) the lifting support platform of the cooling device can well adjust the heights of the second short roller and the second long roller so as to receive the toughened glass and convey the toughened glass to a cooling link; the device is integrated with transportation and cooling, if a product which needs to be completely cooled at the tail end of a production line is required, blowing devices at two ends of a second long rolling shaft can be started, and air is blown while transporting, if a space which is naturally cooled is arranged at the tail end of the production line, the blowing devices do not need to be started, glass can be naturally cooled during transportation, a rolling protection device is specially arranged for transporting the downward L-shaped bent part on the rolling shaft by matching with an L-shaped supporting device and an L-shaped pressing device, the L-shaped bent part of the glass is cushioned when the glass is discharged, meanwhile, the contact area of the glass and the rolling shaft is reduced;

(3) the L-shaped supporting device of the L-shaped pressing forming device and the L-shaped bend of the L-shaped pressing device are both arranged downwards, so that the pressing of the glass with different thicknesses can be conveniently adjusted, no additional welding mold is needed, the L-shaped bending pressing of the glass with different thicknesses can be met only by adjusting the horizontal distance difference of the L-shaped pressing device above the L-shaped supporting device, and the application range of the mold is greatly expanded; the L-shaped glass bending device is different from the U-shaped compression molding device with an upward opening, and although the bending directions of the L-shaped compression molding device are all downward and the bending parts of the L-shaped compression molding device need to be protected in transportation, in actual production, due to the dead weight effect of softened glass, the L-shaped glass bending produced by downward bending is obviously superior to the upward bending in appearance, and the effect is more obvious in customized glass with a longer bending part;

(4) the lower transition plate and the upper transition plate are additionally arranged in order to further meet the requirements of the detailed parts of other L-shaped bends, and with the transition plate, transition lines exist in the L-shaped bends, so that the appearance is better; however, in use, the L-shaped supporting device and the L-shaped pressing device which are provided with the lower transition plate and the upper transition plate need a pair of molds with the same glass thickness, and the processing requirements can be met only by accurate matching; the lower side rod is matched with the upper side rod to play a role in positioning when the L-shaped lower bent part is larger, so that the glass is prevented from inclining inwards or outwards; the supporting plate and the middle supporting plate play a role in assisting in supporting the softened glass, and the phenomenon that the quality of the glass is influenced by large deformation generated by the gravity action of the softened glass when the softening temperature is slightly higher is prevented;

(5) the sensor is arranged to realize the automation of the back-and-forth reciprocating motion of the formed glass in the quenching process, when the moving part is contacted with the sensor, the moving part is controlled to drive the formed glass to back-and-forth reciprocating motion, and the glass is continuously moved to the cooling link after the quenching set time is up; the limiting block ensures that the moving part always moves on the conveying track; the air filtering net realizes the purification of the air outlet of the air blowing port and prevents the dust in the air outlet from falling on the glass which is not completely toughened to influence the quality of the glass;

(6) the utility model combines the softening, forming, quenching and tempering and cooling links of the L-shaped bent toughened glass, thereby realizing continuous, high-efficiency and automatic production, ensuring that the glass is heated uniformly and softened fully because the glass moves slowly in the furnace in the softening link, having no obvious temperature difference among all areas, and laying a foundation for uniform streamline forming of the forming link; the forming section and the transportation process are integrated, glass does not need to be moved and directly enters a rapid cooling tempering link, the rapid cooling tempering link controls the formed glass to reciprocate back and forth, prestress is better formed on the surface of the glass, the glass is ensured not to be cracked, the yield of finished products is improved, and the product quality is ensured; the final cooling step can adopt air cooling or natural cooling, and finished products are conveyed out through the second short roller and the second long roller, so that the automation degree is improved.

Drawings

FIG. 1 is a schematic structural view of a processing apparatus for L-shaped bent tempered glass;

FIG. 2 is a schematic view of an operating state of a processing device for L-shaped bent tempered glass

FIG. 3 is a schematic structural view of a forming section in a processing device for L-shaped bent tempered glass;

FIG. 4 is a schematic structural view of an L-shaped press-forming apparatus in an L-shaped tempered glass processing apparatus;

FIG. 5 is another schematic structural view of an L-shaped press-forming apparatus in the apparatus for processing L-shaped bent tempered glass;

FIG. 6 is an enlarged view of a portion A of FIG. 5;

FIG. 7 is another schematic structural view of an L-shaped press-forming device in the processing device for L-shaped bent tempered glass;

FIG. 8 is a schematic structural view of a press quenching device in the processing device for L-shaped bent tempered glass;

FIG. 9 is a schematic structural view of the lower half portion of a pressing and quenching device in the processing device for L-shaped bent tempered glass;

FIG. 10 is an enlarged view of a portion B of FIG. 9;

fig. 11 is a schematic structural view of a cooling device in the processing device for L-shaped bent tempered glass.

The reference numbers are as follows: 1. hot bending furnace; 11. a roller in the furnace; 2. an L-shaped press forming device; 21. an L-shaped support device; 22. an L-shaped pressing device; 23. a conveying device; 3. a quenching device; 31. a wind distribution plate; 32. an air blowing port; 33. a gas filter screen; 4. a cooling device; 41. a second short roller; 42. a second long roller; 43. a lifting support platform; 44. rolling up the protection device; 5. a transportation track; 51. a moving part; 52. a sensor; 53. a limiting block; 6. a lifting platform; 61. a first long roller; 62. a first short roller; 7. a lower frame; 71. a lower forming support plate; 72. a lower side bar; 73. a lower transition plate; 74. a support plate; 75. a middle support plate; 8. an upper frame; 81. forming a pressing plate; 82. a top side bar; 83. an upper transition plate; 84. a pressurizing rod.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific examples.

The utility model discloses in, multiple sensors such as pressure sensor, photoelectric sensor can be adopted to the sensor, as long as can survey and export on the transportation track the signal that the portion of moving contacted with it can.

The utility model discloses the device is according to the difference of order demand in each embodiment, and its difference lies in that the specific detail structure of L shape press forming device 2 is different, and the general technical characteristic of other parts is as shown in fig. 1-3, fig. 8-11:

a processing device for L-shaped bent toughened glass comprises an L-shaped pressing forming device 2, a quenching device 3, a cooling device 4 and a hot bending furnace 1 arranged at the front end of the L-shaped pressing forming device 2, wherein a furnace roller 11 is arranged at the bottom of the hot bending furnace 1, the L-shaped pressing forming device 2 comprises an L-shaped supporting device 21, an L-shaped pressing device 22 and a conveying device 23, the conveying device 23 comprises a group of conveying rails 5 and a lifting table 6, two ends of each conveying rail 5 are provided with limit blocks 53, the conveying rails 5 are also provided with sensors 52, and the sensors 52 are arranged at the positions, located at the middle and rear sections, in the quenching device 3, of the conveying rails 5; the transportation rail 5 is provided with a moving part 51, and the L-shaped supporting device 21 is arranged on the moving part 51; an L-shaped pressing device 22 matched with the L-shaped supporting device 21 in shape is arranged above the L-shaped supporting device 21, and the L-shaped supporting device 21 and the matched L-shaped pressing device 22 can be replaced according to different order requirements; at least two first long rollers 61 and first short rollers 62 are sequentially arranged above the lifting platform 6, the first long rollers 61 are adjacent to the rollers 11 in the furnace and are flush in height, and the glass is convenient to transfer after being softened; the quenching device 3 is a group which is arranged in an up-down symmetrical manner, the quenching device 3 comprises at least two groups of air distribution plates 31 which are arranged in an up-down symmetrical manner, a plurality of air blowing openings 32 are arranged on the air distribution plates 31, air filtering nets 33 are arranged on the surfaces of the plurality of air blowing openings 32, and the quenching and tempering are realized by up-down air blowing; one end of the transportation rail 5 is positioned between the first long roller 61 and the first short roller 62, and before operation, the transportation rail 5 and the moving part 51 arranged thereon are lower than the first long roller 61 and the first short roller 62; when the lifting platform 6 descends in operation, the transportation track 5 and the moving part 51 arranged on the transportation track are higher than the first long roller 61 and the first short roller 62, so that the glass can be smoothly transported to the L-shaped supporting device 21, the other end of the transportation track 5 penetrates through the hollow position of the quenching device 3 and extends to the upper part of the cooling device 4, the width of the transportation track 5 group is larger than the length of the first short roller 62, and the first short roller 62 can conveniently rise and fall; the cooling device 4 comprises a second short roller 41 and a second long roller 42 which are sequentially arranged at the rear end, the second short roller 41 and the second long roller 42 are arranged on a lifting support platform 43, the length of the second short roller 41 is smaller than the inter-group width of the transportation track 5, the arrangement reason of the second short roller 41 and the second long roller 42 is similar to that of the first short roller 62, an upper protection device 44 is paved on the upper surfaces of the second short roller 41 and the second long roller 42 to prevent the L-shaped part bent downwards from being damaged, and two ends of the second long roller 42 are provided with blowing devices.

Example 1

As shown in fig. 4, in an L-shaped press forming device 2 in a processing device for L-shaped bent tempered glass, an L-shaped supporting device 21 includes a lower frame 7 and lower forming supporting plates 71, one side of the lower frame 7 is provided with a set of lower forming supporting plates 71, one lower forming supporting plate 71 is in the same plane with the lower frame 7, the other lower forming supporting plate 71 is positioned below the lower frame 7 and is perpendicular to the plane of the lower frame 7, an L-shape is formed between the lower forming supporting plates 71, and an L-shaped opening of the L-shape is downward; the L-shaped pressing device 22 comprises an upper frame 8, upper forming pressing plates 81 and a pressurizing rod 84, wherein the pressurizing rod 84 is arranged on the upper frame 8, one side of the upper frame 8 is provided with a group of upper forming pressing plates 81, one upper forming pressing plate 81 and the upper frame 8 are in the same plane, the other upper forming pressing plate 81 is positioned below the upper frame 8 and is vertical to the plane of the upper frame 8, an L shape is formed between the upper forming pressing plates 81, and the L-shaped opening of the upper forming pressing plates is downward; the upper profiled hold-down plate 81 is fitted to the lower profiled support plate 71.

A method for processing L-shaped bent tempered glass by using the device comprises the following steps:

in the embodiment, the glass is a 5 mm-thick plate glass 1, the horizontal distance between the lower forming support plate 71 and the upper forming pressing plate 81 in the vertical direction is adjusted to be 5.5mm and cannot be larger than 5.5mm, otherwise, the folding angle is not sharp enough.

A. Softening:

and opening a furnace door of the hot bending furnace 1, placing glass on the roller 11 in the furnace, closing the furnace door, ensuring the temperature of the furnace to be 650 ℃, softening the glass for 3min, and slowly moving the roller in the furnace forward until one end of the roller is moved out of the hot bending furnace 1 and is contacted with the first long roller 61.

B. Molding:

the glass is transported to the first long roller 61 and then is accelerated in transportation speed, then is transported to the first short roller 62, the lifting platform 6 descends, the softened glass falls on the L-shaped supporting device 21 of the L-shaped press forming device 2 and is in contact with the lower frame 7 and the lower forming supporting plate 71 in the same plane, the L-shaped press forming device 22 is started, pressure is set, the pressurizing rod 84 pressurizes the softened glass to drive the upper frame 8 and the upper forming pressing plate 81 to move downwards, the softened glass is pressed into an L shape and then is rapidly reset, the formed glass is L-shaped bent glass with sharp lines, the formed glass is rapidly transported to the quenching device 3 on the L-shaped supporting device 21 along with the moving part 51 on the transportation track 5, and the process is 1s-2 s.

C. Quenching and tempering:

the formed L-shaped glass enters the quenching device 3, when the moving part 51 moves to the middle position of the quenching device 3, the moving part 51 is manually controlled to reciprocate back and forth on the conveying track 5, namely, the relative translation between the formed L-shaped bent glass and the quenching device 3 is controlled, the air distribution plates 31 which are symmetrically arranged up and down perform rapid cooling and air blowing cooling on the glass through the air blowing openings 32, the air blowing time is controlled to be 40s, the air pressure is 4000Pa, the air blowing distance is 12mm, and the rapid cooling and the toughening are completed at the same time.

Adopt the utility model discloses three shifts can produce the L shape toughened glass more than 300 pieces of bending of 5mm thickness every day with the device and the method, and do not basically have the phenomenon that rapid cooling tempering link explodes and splits or explode and split in the cooling process, saved the time of the glass piece that explodes of clearance, improved production efficiency greatly.

The produced L-shaped bent toughened glass with sharp lines has almost no defects of ribs, pits and white fog, particularly, the broken corners have good light transmittance while sharp lines are formed, no pressing marks are left completely, the optical performance is good, the product yield is up to 95% through multi-batch spot inspection, the L-shaped bent toughened glass with the thickness of 5mm is rare, the thinner the larger the glass is, the more difficult the production quality of the glass is, and the requirement on the optical performance is also realized.

Example 2

in the embodiment, the glass is a plate glass 1 with the thickness of 10mm, the horizontal distance between the lower forming supporting plate 71 and the upper forming pressing plate 81 in the vertical direction is adjusted to be 11mm and cannot be larger than 10.8mm, otherwise, the folded angle is not sharp enough.

A. Softening:

and opening a furnace door of the hot bending furnace 1, placing glass on the roller 11 in the furnace, closing the furnace door, ensuring the furnace temperature to be 640 ℃, softening the glass for 4min, and slowly moving the roller in the furnace forward until one end of the roller is moved out of the hot bending furnace 1 and is contacted with the first long roller 61.

B. Molding:

the glass is transported to the first long roller 61 and then is accelerated in transportation speed, then is transported to the first short roller 62, the lifting platform 6 descends, the softened glass falls on the L-shaped supporting device 21 of the L-shaped press forming device 2 and is in contact with the lower frame 7 and the lower forming supporting plate 71 in the same plane, the L-shaped press forming device 22 is started, pressure is set, the pressurizing rod 84 pressurizes the softened glass to drive the upper frame 8 and the upper forming pressing plate 81 to move downwards, the softened glass is pressed into an L shape and then is rapidly reset, the formed glass is L-shaped bent glass with sharp lines, the formed glass is rapidly transported to the quenching device 3 on the L-shaped supporting device 21 along with the moving part 51 on the transportation track 5, and the process is 2s-3 s.

C. Quenching and tempering:

the formed L-shaped glass enters the quenching device 3, when the moving part 51 moves to the middle position of the quenching device 3, the moving part 51 is manually controlled to reciprocate back and forth on the conveying track 5, namely, the relative translation between the formed L-shaped bent glass and the quenching device 3 is controlled, the air distribution plates 31 which are symmetrically arranged up and down carry out rapid cooling and air blowing cooling on the glass through the air blowing openings 32, the air blowing time is controlled to be 60s, the air pressure is 1100Pa, the air blowing distance is 25mm, and the rapid cooling and the toughening are completed at the same time.

A. And (3) cooling:

the toughened glass enters the cooling device along the transportation track, the lifting support platform 43 is lifted, the upper protection devices 44 are paved and rolled on the upper surfaces of the second short roller 41 and the second long roller 42, the toughened glass and the upper protection devices 44 move together along the axial rear section of the second short roller 42, and the toughened glass is transported to the upper side of the second long roller 41 to be transported and cooled.

Adopt the utility model discloses three shifts can produce the L shape toughened glass of bending more than 250 of 10mm thickness every day with the device and the method, and do not basically have the phenomenon that rapid cooling tempering link explodes and splits or explode and split in the cooling process, saved the time of the glass piece that explodes of clearance, improved production efficiency greatly.

The produced L-shaped bent toughened glass with sharp lines has almost no defects of striae, pockmarks and white fog, particularly has good light transmittance at break angles while sharp lines, has no manufacturing traces at all, has good optical performance, and has the product qualification rate of 92 percent after multi-batch sampling inspection, which is difficult to realize in thicker bent toughened glass.

Example 3

As shown in fig. 5-6, an L-shaped press forming device 2 in a device for processing L-shaped bent tempered glass, wherein the L-shaped supporting device 21 includes a lower frame 7 and a lower forming supporting plate 71, one side of the lower frame 7 is provided with a set of lower forming supporting plates 71, one lower forming supporting plate 71 is in the same plane with the lower frame 7, the other lower forming supporting plate 71 is positioned below the lower frame 7 and is perpendicular to the plane of the lower frame 7, a lower edge rod 72 extends on the plane of the lower forming supporting plate 71 positioned below the lower frame 7, the other side of the lower frame 7 is provided with a supporting plate 74, an L-shape is formed between the set of lower forming supporting plates 71, an inclined lower transition plate 73 is arranged between the forming supporting plates 71, the lower transition plate 73 is a flat plate and serves as a buffer plate, and the L-; the L-shaped pressing device 22 comprises an upper frame 8, upper forming pressing plates 81 and a pressing rod 84, wherein the pressing rod 84 is arranged on the upper frame 8, one side of the upper frame 8 is provided with a group of upper forming pressing plates 81, one upper forming pressing plate 81 and the upper frame 8 are in the same plane, the other upper forming pressing plate 81 is positioned below the upper frame 8 and is vertical to the plane of the upper frame 8, the upper edge rod 82 extends on the plane of the upper forming pressing plate 81 below the upper frame 8, an inclined upper transition plate 83 is arranged between the upper forming pressing plates 81, an L shape is formed between the group of upper forming pressing plates 81, the upper transition plate 83 is a flat plate and is used as a buffer plate, and the whole L-shaped opening of the upper transition plate 83 faces downwards; the upper profiled hold-down plate 81 is fitted to the lower profiled support plate 71.

in the embodiment, the glass is 1 piece of plate glass with the thickness of 12 mm; the horizontal distance between the lower forming supporting plate 71 and the upper forming pressing plate 81 in the vertical direction is adjusted to be 13.5mm, the sensor is a pressure sensor, and an AST2000 type pressure sensor of Beijing Rui hongguangdong is adopted.

A. Softening:

and opening a furnace door of the hot bending furnace 1, placing glass on the roller 11 in the furnace, closing the furnace door, ensuring the furnace temperature to be 638 ℃, softening the glass for 5min, and slowly moving the roller in the furnace forward until one end of the roller is moved out of the hot bending furnace 1 and is contacted with the first long roller 61.

B. Molding:

the glass is transported to the first long roller 61 and then is accelerated in transportation speed, then is transported to the first short roller 62, the lifting platform 6 descends, the softened glass falls on the L-shaped supporting device 21 of the L-shaped press forming device 2 and is in contact with the supporting plate 74 and the lower forming supporting plate 71 in the same plane, the L-shaped press forming device 22 is started, pressure is set, the pressurizing rod 84 pressurizes the softened glass to drive the upper frame 8 and the upper forming pressing plate 81 to move downwards, the softened glass is pressed into an L shape and then is rapidly reset, the formed glass is L-shaped bent glass with straight line transition, the formed glass is rapidly transported to the quenching device 3 on the transporting track 5 along with the moving part 51 on the L-shaped supporting device 21, and the process is 2s-3 s.

C. Quenching and tempering:

the formed L-shaped glass enters the quenching device 3, a sensor 52 is triggered, the sensor 52 transmits a signal to a controller, the reciprocating motion of the moving part 51 on the transportation track 5 is controlled, namely, the relative translation between the formed bent glass and the quenching device 3 is controlled, the air distribution plates 31 which are symmetrically arranged up and down carry out rapid cooling and air blowing cooling on the glass through air blowing ports 32, the air blowing time is controlled to be 65s, the air pressure is controlled to be 500Pa, the air blowing distance is 40mm, and the tempering is completed while the glass is rapidly cooled.

B. And (3) cooling:

the toughened glass enters the cooling device along the transportation track, the lifting support platform 43 is lifted, the upper protection devices 44 are paved and rolled on the upper surfaces of the second short roller 41 and the second long roller 42, the toughened glass and the upper protection devices 44 move together along the axial rear section of the second short roller 42, and the toughened glass is conveyed to the second long roller 41 to be blown and cooled.

Adopt the utility model discloses three shifts can produce 12mm thick L shape bending toughened glass more than 200 of transition of straightness strip each day with the device and the method, and do not have the phenomenon that rapid cooling tempering link explodes and splits or explode and split in the cooling process basically, saved the time of the glass piece that explodes of clearance, improved production efficiency greatly.

The produced L-shaped bent toughened glass with sharp lines and transition straight lines has almost no defects of ribs, pits and white fog, particularly, at the corners, the lines have good light transmittance while being sharp, no pressing marks are generated completely, the optical performance is good, the product percent of pass is up to 94% after multiple batches of spot inspection, the defects are difficult to realize in thicker bent toughened glass, the optical performance of bent thicker glass is easy to deteriorate, the L-shaped bent toughened glass with transition bending is easy to have obvious indentation at the transition section, but the equipment matching method in the embodiment is verified in the production of a large number of orders, the inspection requirements of the optical performance and the mechanical performance can be met on the basis of ensuring that the glass is not cracked, the economic effect is remarkable, customers have good reverberation, and the L-shaped bent toughened glass with sharp lines can gain wide attention of the market with good optical performance after being installed.

Example 4

As shown in fig. 7, in an L-shaped press forming device 2 of a processing device for L-shaped bent tempered glass, an L-shaped supporting device 21 includes a lower frame 7 and lower forming supporting plates 71, one side of the lower frame 7 is provided with a set of lower forming supporting plates 71, one lower forming supporting plate 71 is in the same plane with the lower frame 7, the other lower forming supporting plate 71 is positioned below the lower frame 7 and is perpendicular to the plane of the lower frame 7, a lower edge rod 72 extends from the plane of the lower forming supporting plate 71 positioned below the lower frame 7, the other side of the lower frame 7 is provided with a supporting plate 74, and a middle supporting plate 75 is arranged in the middle of the lower frame 7; an L shape is formed between the lower forming supporting plates 71, an inclined lower transition plate 73 is arranged between the forming supporting plates 71, the lower transition plate 73 is an arc-shaped plate and is used as a buffer plate, and the L-shaped opening of the buffer plate faces downwards integrally; the L-shaped pressing device 22 comprises an upper frame 8, upper forming pressing plates 81 and a pressing rod 84, wherein the pressing rod 84 is arranged on the upper frame 8, one side of the upper frame 8 is provided with a group of upper forming pressing plates 81, one upper forming pressing plate 81 and the upper frame 8 are in the same plane, the other upper forming pressing plate 81 is positioned below the upper frame 8 and is vertical to the plane of the upper frame 8, the upper edge rod 82 extends on the plane of the upper forming pressing plate 81 below the upper frame 8, an inclined upper transition plate 83 is arranged between the upper forming pressing plates 81, an L shape is formed between the group of upper forming pressing plates 81, the upper transition plate 83 is an arc-shaped plate and is used as a buffer plate, and the whole L-shaped opening of the upper transition plate 83 faces downwards; the upper profiled hold-down plate 81 is fitted to the lower profiled support plate 71.

in the embodiment, the glass is 1 piece of flat glass with the thickness of 15 mm; the horizontal distance between the lower molding support plate 71 and the upper molding press plate 81 in the vertical direction was adjusted to 17mm, and the sensor was a photoelectric sensor, which was a C-R series photoelectric sensor of ottas.

A. Softening:

and opening a furnace door of the hot bending furnace 1, placing glass on the roller 11 in the furnace, closing the furnace door, ensuring the temperature of the furnace to be 630 ℃, softening the glass for 6min, and slowly moving the roller in the furnace forward until one end of the roller is moved out of the hot bending furnace 1 and is contacted with the first long roller 61.

B. Molding:

the glass is transported to the first long roller 61 and then is accelerated in transportation speed, then is transported to the first short roller 62, the lifting platform 6 descends, the softened glass falls on the L-shaped supporting device 21 of the L-shaped press forming device 2 and is in contact with the supporting plate 74, the middle supporting plate 75 and the lower forming supporting plate 71 in the same plane, the L-shaped press device 22 is started, pressure is set, the pressurizing rod 84 pressurizes the softened glass to drive the upper frame 8 and the upper forming pressing plate 81 to move downwards, the softened glass is pressed into an L shape and then is rapidly reset, the formed glass is L-shaped bent glass with an arc transition curve, the formed glass is rapidly transported to the quenching device 3 on the L-shaped supporting device 21 along with the moving part 51 on the transportation track 5, and the process is 3 s.

C. Quenching and tempering:

the formed L-shaped glass enters the quenching device 3, a sensor 52 is triggered, the sensor 52 transmits a signal to a controller, the reciprocating motion of the moving part 51 on the transportation track 5 is controlled, namely, the relative translation between the formed bent glass and the quenching device 3 is controlled, the air distribution plates 31 which are symmetrically arranged up and down carry out rapid cooling and air blowing cooling on the glass through air blowing ports 32, the air blowing time is controlled to be 85s, the air pressure is controlled to be 100Pa, the air blowing distance is 45mm, and the tempering is completed while the glass is rapidly cooled.

B. And (3) cooling:

the toughened glass enters the cooling device along the transportation track, the lifting support platform 43 is lifted, the rolling protection devices 44 are laid on the upper surfaces of the second short roller 41 and the second long roller 42, the toughened glass and the rolling protection devices 44 move together along the axial rear section of the second short roller 42, and the toughened glass is conveyed to the second long roller 41 to be cooled naturally.

Adopt the utility model discloses three shifts can produce the L shape toughened glass of bending that has the arc transition curve of 15mm thickness every day by the device and the method and can reach 200, and does not have the phenomenon that rapid cooling tempering link explodes and splits or explode among the cooling process basically, has saved the time of the glass piece that explodes of clearance, has improved production efficiency greatly.

The produced L-shaped bent toughened glass with sharp-falling lines and an arc-shaped transition curve has almost no defects of ribs, pockmarks and white fog, particularly the break angle, streamline and good light transmittance, no manufacturing trace and good optical performance, the product percent of pass is up to 93 percent after multi-batch sampling inspection, this is difficult to achieve in thick bent tempered glass, the thicker the bent glass, the optical performance of the bent glass is liable to be deteriorated, and the L-shaped bent tempered glass with arc-shaped transition bending is liable to have a defect of remarkable beads at the transition section, but the equipment matching method in this embodiment is verified in the production of a large number of orders, the glass can meet the inspection requirements of optical performance and mechanical performance on the basis of ensuring that the glass is not cracked, the economic effect is obvious, the customer has good reverberation, and the glass wins wide attention of the market with good optical performance and streamlined transition arc bending after being installed.

Claims

1. The utility model provides a L shape toughened glass's processingequipment that bends, includes L shape press forming device (2), rapid cooling device (3), cooling device (4), its characterized in that: the hot bending device is characterized by further comprising a hot bending furnace (1) arranged at the front end of the L-shaped pressing forming device (2), wherein a furnace roller (11) is arranged at the bottom of the hot bending furnace (1), the L-shaped pressing forming device (2) comprises an L-shaped supporting device (21), an L-shaped pressing device (22) and a conveying device (23), the conveying device (23) comprises a group of conveying rails (5) and a lifting table (6), a moving part (51) is arranged on each conveying rail (5), and the L-shaped supporting device (21) is installed on each moving part (51); an L-shaped pressing device (22) matched with the L-shaped supporting device in shape is arranged above the L-shaped supporting device (21), at least two first long rolling shafts (61) and first short rolling shafts (62) are sequentially arranged above the lifting platform (6), and the first long rolling shafts (61) are adjacent to the rolling shafts (11) in the furnace and are flush in height; quenching device (3) are a set of that the longitudinal symmetry set up, transportation track (5) one end is located between first long roller (61) and first short roller (62), transportation track (5) other end passes quenching device (3) cavity position and extends to cooling device (4) top, transportation track (5) intergroup width is greater than first short roller (62) length.

2. The apparatus for processing L-shaped bent tempered glass as claimed in claim 1, wherein: cooling device (4) are including setting up second short roller bearing (41), the long roller bearing of second (42) to the rear end in proper order, establish on lift supporting bench (43) second short roller bearing (41), the long roller bearing of second (42), the length of second short roller bearing (41) is less than the intergroup width of transportation track (5), second short roller bearing (41), the long roller bearing of second (42) upper surface is laid and is rolled protector (44).

3. The apparatus for processing L-shaped bent tempered glass as claimed in claim 2, wherein: the L-shaped supporting device (21) comprises a lower frame (7) and lower forming supporting plates (71), one side of the lower frame (7) is provided with a group of lower forming supporting plates (71), one lower forming supporting plate (71) is in the same plane with the lower frame (7), the other lower forming supporting plate (71) is positioned below the lower frame (7) and is vertical to the plane of the lower frame (7), and an L shape is formed between the lower forming supporting plates (71); l shape suppression device (22) include upper ledge frame (8), go up shaping pressboard (81), pressure bar (84), be equipped with pressure bar (84) on upper ledge frame (8), upper ledge frame (8) one side is equipped with shaping pressboard (81) on a set of, and shaping pressboard (81) and upper ledge frame (8) are in the coplanar on one of them, and shaping pressboard (81) are located upper ledge frame (8) below and are perpendicular with upper ledge frame (8) plane on another, go up shaping pressboard (81) and lower shaping backup pad (71) looks adaptation.

4. The apparatus for processing L-shaped bent tempered glass as claimed in claim 3, wherein: an inclined lower transition plate (73) is arranged between the lower forming supporting plates (71), and an inclined upper transition plate (83) is arranged between the upper forming pressing plates (81); the upper transition plate (83) is a flat plate or an arc-shaped plate.

5. The apparatus for processing L-shaped bent tempered glass as claimed in claim 4, wherein: a lower edge rod (72) extends on the plane of the lower forming support plate (71) positioned below the lower frame (7), a support plate (74) is arranged on the other side of the lower frame (7), and a middle support plate (75) is arranged in the middle of the lower frame (7); an upper edge rod (82) extends from the plane of the upper forming pressing plate (81) below the upper frame (8).

6. The apparatus for processing L-shaped bent tempered glass as claimed in claim 5, wherein: the transportation rail (5) is also provided with a sensor (52), and the sensor (52) is arranged at the position, located in the quenching device (3), of the transportation rail (5).

7. The apparatus for processing L-shaped bent tempered glass as claimed in claim 6, wherein: and two ends of the transportation track (5) are provided with limit blocks (53).

8. The apparatus for processing L-shaped bent tempered glass as claimed in claim 7, wherein: the quenching device (3) comprises at least two groups of air distribution plates (31) which are arranged in an up-down symmetrical mode, and a plurality of air blowing openings (32) are formed in the air distribution plates (31).

9. The apparatus for processing L-shaped bent tempered glass as claimed in claim 8, wherein: and air filtering nets (33) are arranged on the surfaces of the upper air blowing port and the lower air blowing port (32).

10. The apparatus for processing L-shaped bent tempered glass as claimed in claim 9, wherein: and two ends of the second long rolling shaft (42) are provided with blowing devices.