CN117964222B - Forming process of curved toughened glass - Google Patents
Forming process of curved toughened glass Download PDFInfo
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- CN117964222B CN117964222B CN202410194635.3A CN202410194635A CN117964222B CN 117964222 B CN117964222 B CN 117964222B CN 202410194635 A CN202410194635 A CN 202410194635A CN 117964222 B CN117964222 B CN 117964222B
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- 239000005341 toughened glass Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000008569 process Effects 0.000 title claims abstract description 26
- 239000011521 glass Substances 0.000 claims abstract description 63
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 23
- 238000007664 blowing Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000010791 quenching Methods 0.000 claims abstract description 7
- 230000000171 quenching effect Effects 0.000 claims abstract description 7
- 238000005498 polishing Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 30
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000009966 trimming Methods 0.000 claims description 5
- 230000007547 defect Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005452 bending Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000005336 safety glass Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
- C03B23/0305—Press-bending accelerated by applying mechanical forces, e.g. inertia, weights or local forces
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
- C03B27/0417—Controlling or regulating for flat or bent glass sheets
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
- C03B27/044—Tempering or quenching glass products using gas for flat or bent glass sheets being in a horizontal position
- C03B27/0442—Tempering or quenching glass products using gas for flat or bent glass sheets being in a horizontal position for bent glass sheets
- C03B27/0445—Tempering or quenching glass products using gas for flat or bent glass sheets being in a horizontal position for bent glass sheets the quench unit being adapted to the bend of the sheet
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention discloses a forming process of curved toughened glass, which relates to the technical field of curved toughened glass production, and specifically comprises the following steps: step one, preheating and forming; step two, quenching treatment: when the glass plate is molded, the rotating bidirectional screw rod is matched with the movable frame, the sliding seat and the rotating frame to drive the tuyere to move back and forth to perform cold air blowing treatment, and meanwhile, the first adjusting rod is matched with the deflector rod, the pushing rod, the transmission rod and the rotating frame to drive the tuyere to perform swinging treatment, so that molded glass is rapidly cooled; and thirdly, checking and polishing. According to the forming process of the curved toughened glass, through the cooperative work of the bidirectional screw rod and the movable frame, the tuyere can reciprocate, so that the precise cooling treatment of the pressed hot glass is realized; the deflector rod is matched with the control groove at the bottom of the first adjusting rod, so that the pushing rod, the rotating frame and the tuyere are reciprocated to realize the accurate control of the blowing angle of the tuyere, and the cooling effect is ensured.
Description
Technical Field
The invention relates to the technical field of curved toughened glass production, in particular to a forming process of curved toughened glass.
Background
Tempered glass belongs to safety glass. The toughened glass is a prestressed glass, in order to improve the strength of the glass, a chemical or physical method is generally used to form compressive stress on the surface of the glass, and the stress on the surface layer is firstly counteracted when the glass bears external force, so that the bearing capacity is improved, the wind pressure resistance, summer and cold resistance, the impact resistance and the like of the glass are enhanced, in the production process of the toughened glass, the toughened glass is required to be bent according to different requirements, and the glass after being heated and softened is bent through a glass bending forming mechanism.
Chinese patent CN204111580U discloses a pre-bending device before forming toughened glass, which comprises an air source, an air blowing pipe, an air nozzle, an air pressure regulating valve, an electromagnetic valve and a controller, wherein the air blowing pipe is connected with the air source through the air pressure pipe, the air nozzle is arranged on the air blowing pipe, the controller is mutually communicated with the electromagnetic valve and the air pressure regulating valve, and the air pressure and the air blowing time of the air blowing pipe are controlled through the electromagnetic valve and the air pressure regulating valve, so that the local curvature and the molded surface of the toughened glass are controlled in an auxiliary manner;
In this patent, the movement range of the positions of the air nozzle and the air blowing pipe is limited, and cannot be flexibly adjusted according to the actual production situation of the curved glass, and this limitation in design may have a certain influence on the production process, for example, when producing curved glass with different specifications or shapes, the positions of the air nozzle and the air blowing pipe may need to be adjusted to ensure that the air flow uniformly blows the surface of the glass, if the movement range of these positions is limited, when producing curved glass with different specifications or shapes, some unnecessary adjustment may need to be performed, which not only increases the production cost, but also may affect the production efficiency, and in addition, if the positions of the air nozzle and the air blowing pipe are not adapted to the actual production situation of the curved glass, the air flow may be uneven, and thus the product quality may be affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a forming process of curved toughened glass, which solves the technical problems mentioned in the background art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a molding process of curved toughened glass specifically comprises the following steps:
Step one, preheating and forming: placing the glass plate into a high-temperature oven for preheating to soften the glass plate, taking out the hot glass plate, rapidly placing the hot glass plate on a die, applying uniform pressure to the hot glass by using a pressing plate, and carrying out regional trimming on the bent toughened glass by using a pressing roller;
Step two, quenching treatment: when the glass plate is molded, the rotating bidirectional screw rod is matched with the movable frame, the sliding seat and the rotating frame to drive the tuyere to move back and forth to perform cold air blowing treatment, and meanwhile, the first adjusting rod is matched with the deflector rod, the pushing rod, the transmission rod and the rotating frame to drive the tuyere to perform swinging treatment, so that molded glass is rapidly cooled;
Step three, checking and polishing: after the quenching process is completed, the quality of the tempered glass is inspected, possibly defective or unsatisfactory products are removed, and the edges of the glass are polished to eliminate sharp edges.
As a further preference of the technical scheme, the die is fixedly arranged on the base, the top of the base is fixedly connected with a fixing frame, the inner side end of the fixing frame is provided with a movable seat, the pressing plate is arranged at the two ends of the bottom of the movable seat, and the pressing roller is positioned at the inner side end of the pressing plate.
As a further preference of the technical scheme, the top of the fixing frame is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a connecting frame, and the movable seat is fixedly arranged at the bottom of the connecting frame through the mounting frame.
As a further preference of the technical scheme, the top of the movable seat is rotationally connected with a bidirectional screw, one side of the bidirectional screw is provided with a driving motor, a movable frame is connected with the bidirectional screw in a threaded manner, the bottom of the movable frame is fixedly connected with a sliding seat, the sliding seat is slidably mounted on the movable seat, a rotating frame is rotationally connected on the sliding seat, and the bottom end of the rotating frame is fixedly connected with a tuyere.
As a further preference of the technical scheme, one side of the bidirectional screw rod is provided with a first adjusting rod fixedly installed on the movable seat, one end of the movable frame is sleeved on the first adjusting rod, a control groove is formed in the bottom of the first adjusting rod, the control groove is in a gradual change type wave shape, and a control piece matched with the control groove is arranged on the movable frame.
As a further preference of the technical scheme, the control piece comprises a limiting block which is slidably arranged on the movable frame, the top of the limiting block is fixedly connected with a deflector rod, the top of the deflector rod penetrates through the movable frame and is slidably arranged in the control groove, the bottom of the limiting block is fixedly connected with a push rod, the outer wall of the push rod is sleeved with a first spring, the first spring is arranged in the movable frame, and the bottom of the push rod penetrates through the movable frame and is rotationally connected with a transmission rod through a hinged support;
the bottom of the winch seat is rotationally connected with a second adjusting rod, the second adjusting rod is in threaded connection with a transmission rod, and the other end of the transmission rod is rotationally connected with the rotating frame.
As a further preference of the technical scheme, the top of the movable seat is provided with an air pressure regulating valve and an electromagnetic valve, the air pressure regulating valve is electrically connected with the electromagnetic valve, and the air pressure regulating valve is connected with the tuyere through an air pipe.
As a further preference of the technical scheme, two sides of the pressing plate are provided with positioning seats fixedly mounted on the movable seat, two ends of the inner side of each positioning seat are provided with toothed bars in a staggered manner, the inner ends of each positioning seat are slidably connected with sliding seats, the tops of the sliding seats are provided with air cylinders, two gears are rotatably connected to each positioning seat through a rotating shaft and are respectively meshed with the two toothed bars, one ends of each gear are fixedly connected with a linkage rod, and the other ends of the linkage rods are fixedly connected with the pressing plate.
As a further preference of the technical scheme, two ends of the press roller are provided with swinging rods, the tops of the swinging rods are fixedly arranged on the bidirectional screw rod, the outer ends of the bottoms of the swinging rods are in sliding connection with the movable seat through auxiliary rods, the inner ends of the swinging rods are provided with grooves, sliding rods are fixedly connected in the grooves, rectangular blocks are slidably connected on the sliding rods, the ends of the press roller are rotatably arranged on the rectangular blocks, and the upper ends of the sliding rods are sleeved with second springs.
Compared with the prior art, the method has the following beneficial effects:
Through the cooperative work of the bidirectional screw rod and the movable frame, the tuyere can reciprocate, so that the precise cooling treatment of the pressed hot glass is realized; the driving lever cooperates with the control groove of first regulation pole bottom, makes push rod and rotating turret and tuyere carry out reciprocating swing, realizes the accurate control to the tuyere angle of blowing, guarantees the cooling effect, and the existence of first spring has guaranteed that the driving lever top is located the control groove all the time for entire system operation is stable, has improved the life of equipment.
Can drive the transfer line through rotating the second regulation pole and remove to the cooperation rotating turret changes the initial angle of tuyere, realizes the fine control to glass cooling process, thereby improves the cooling homogeneity, avoids deformation or the scheduling problem that breaks, and satisfies different technology demands.
Through the collaborative work of slide, rack, gear, trace and compression roller, the equipment can realize the accurate compression moulding to hot glass, has guaranteed the high temperature resistant high pressure performance of clamp plate simultaneously, and to the regional repairment of toughened glass, these effects have important meaning to improving shape precision, quality and the outward appearance quality of product, through the reciprocal swing of compression roller, can exert continuous and even pressure to toughened glass to make the crookedness on glass surface obtain accurate control, this process has not only improved the precision and the pleasing to the eye degree of glassware, and greatly reduced material waste and manufacturing cost moreover.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a movable base according to the present invention;
FIG. 3 is a schematic view of the structure of the tuyere of the present invention;
FIG. 4 is a schematic view of the control member of the present invention;
FIG. 5 is a cross-sectional view of the first adjustment lever and the shift lever of the present invention;
FIG. 6 is a schematic view of the structure of the press roller and the swing rod in the present invention;
FIG. 7 is a schematic view of a platen according to the present invention.
In the figure: 1. a base; 2. a mold; 3. a fixing frame; 4. a movable seat; 5. a pressing plate; 6. a press roller; 31. a hydraulic cylinder; 32. a connecting frame; 41. a bidirectional screw rod; 42. a driving motor; 43. a moving rack; 45. a rotating frame; 46. a tuyere; 47. a first adjusting lever; 48. a control groove; 49. a limiting block; 410. a push rod; 411. a first spring; 412. a deflector rod; 413. a transmission rod; 414. a second adjusting lever; 415. an air pressure regulating valve; 416. an air duct; 417. an electromagnetic valve; 51. a positioning seat; 52. a slide; 53. a cylinder; 54. a toothed bar; 55. a gear; 56. a linkage rod; 61. a swinging rod; 62. rectangular blocks; 63. a slide bar; 64. a second spring; 65. an auxiliary rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one: referring to fig. 1 to 7, the present invention provides a technical solution: a molding process of curved toughened glass specifically comprises the following steps:
Step one, preheating and forming: placing a glass plate into a high-temperature oven for preheating to a temperature of about a softening point (about 600-700 ℃), then taking out the hot glass plate, rapidly placing the hot glass plate on a die 2, applying uniform pressure to the hot glass by using a pressing plate 5 to enable the glass plate to be completely attached to the die, bending the glass plate along a curved surface of the die due to high-temperature softening in the process, and carrying out regional trimming on the bent toughened glass by using a pressing roller 6;
Step two, quenching treatment: after the glass plate is molded, the rotating bidirectional screw rod 41 is matched with the movable frame 43, the sliding seat 44 and the rotating frame 45 to drive the tuyere 46 to move back and forth to perform cold air blowing treatment, and meanwhile, the first adjusting rod 47 is matched with the deflector rod 412, the pushing rod 410, the transmission rod 413 and the rotating frame 45 to drive the tuyere 46 to perform swinging treatment, so that molded glass is rapidly cooled, the surface of the molded glass forms compressive stress, and the strength and the impact resistance are enhanced;
Step three, checking and polishing: after the quenching process is completed, the quality of the tempered glass is inspected, possibly defective or unsatisfactory products are removed, and the edges of the glass are polished to eliminate sharp edges.
The die 2 is fixedly arranged on the base 1, the top of the base 1 is fixedly connected with a fixing frame 3, the inner side end of the fixing frame 3 is provided with a movable seat 4, two groups of pressing plates 5 are arranged, the specifications of the pressing plates 5 and the die 2 are mutually matched, the two groups of pressing plates 5 are arranged at the two ends of the bottom of the movable seat 4, and a pressing roller 6 is positioned at the inner side end of the pressing plates 5;
The top fixedly connected with pneumatic cylinder 31 of mount 3, the output fixedly connected with link 32 of pneumatic cylinder 31, link 32 slidable mounting is on mount 3 in vertical direction, removes seat 4 and passes through mounting bracket fixed mounting in link 32 bottom.
In the embodiment of the invention, the hydraulic cylinder 31 is matched with the connecting frame 32 and the mounting frame to drive the movable seat 4 and the pressing plate 5 to move downwards, and the pressing plate 5 is used for carrying out press forming treatment on the hot glass.
Embodiment two: on the basis of the first embodiment, as shown in fig. 2,3, 4 and 5, two sides of the top of the movable seat 4 are rotationally connected with a bidirectional screw 41 through a shaft seat, one side of the bidirectional screw 41 is provided with a driving motor 42 in a transmission way, the driving motor 42 is a forward and reverse rotation driving motor, the bidirectional screw 41 is in threaded connection with a movable frame 43, the bottom of the movable frame 43 is fixedly connected with a sliding seat 44, the sliding seat 44 is slidably mounted on the movable seat 4, the sliding seat 44 is rotationally connected with a rotating frame 45, and the bottom end of the rotating frame 45 is fixedly connected with a tuyere 46;
one side of the bidirectional screw rod 41 is provided with a first adjusting rod 47 fixedly installed on the movable seat 4, one end of the movable frame 43 is sleeved on the first adjusting rod 47, the bottom of the first adjusting rod 47 is provided with a control groove 48, the control groove 48 is gradually wavy, and the movable frame 43 is provided with a control piece matched with the control groove 48;
The control piece comprises a limiting block 49 which is slidably arranged on the movable frame 43, a deflector rod 412 is fixedly connected to the top of the limiting block 49, the top of the deflector rod 412 penetrates through the movable frame 43 and is slidably arranged in the control groove 48, a push rod 410 is fixedly connected to the bottom of the limiting block 49, a first spring 411 is sleeved on the outer wall of the push rod 410, the first spring 411 is arranged in the movable frame 43, the bottom of the push rod 410 penetrates through the movable frame 43 and is rotatably connected with a transmission rod 413 through a hinged support, and the other end of the transmission rod 413 is rotatably connected with the rotating frame 45;
the bottom of the winch seat is rotationally connected with a second adjusting rod 414, the second adjusting rod 414 is in threaded connection with a transmission rod 413, and the transmission rod 413 can be driven to move by rotating the second adjusting rod 414, so that the initial angle of the air nozzle 46 is changed by matching with the rotating frame 45, and the swing angle of the subsequent air nozzle 46 for blowing and cooling hot glass is changed; the influence of the angle adjustment of the air nozzle 46 on the glass cooling process is not ignored, different initial angles can influence the air blowing cooling effect of the air nozzle 46 on hot glass, and by reasonably adjusting the initial angles, the fine control on the cooling process can be realized, so that various process requirements are met; for example, in some cases, it may be desirable to slightly increase or decrease the angle of the tuyere 46 in order to achieve a particular cooling effect, and such fine tuning not only helps to improve cooling uniformity, but also helps to avoid problems such as deformation or breakage of the glass due to improper cooling;
The top of the movable seat 4 is provided with an air pressure regulating valve 415 and an electromagnetic valve 417, the air pressure regulating valve 415 is electrically connected with the electromagnetic valve 417, the air pressure regulating valve 415 is connected with the air nozzle 46 through an air pipe 416, the air pressure regulating valve 415 is used for regulating the output air pressure and the air output quantity of the air nozzle 46, the electromagnetic valve 417 is used for regulating the air blowing time of the air nozzle 46, meanwhile, the air pipe 416 is connected with equipment for providing cold air from the outside, and a hose can be arranged at the joint of the air pipe 416 and the air nozzle 46 to match with the back-and-forth movement of the air nozzle 46.
In the embodiment of the invention, the air pressure regulating valve 415, the electromagnetic valve 417 and the air nozzle 46 are used for carrying out blowing cooling treatment on hot glass in cooperation with the air nozzle 46, the bidirectional screw 41 is driven by the rotation of the driving motor 42, the process is realized by the belt pulley assembly, the synchronous rotation of the first regulating rod 47 is ensured, the bidirectional screw 41 can drive the movable frame 43 to move back and forth in the rotation process through the serial actions, the movable frame 43 is matched with the sliding seat 44 and the rotary frame 45, the air nozzle 46 can be reciprocated, the design aims at carrying out cooling treatment on the hot glass which is pressed and molded, and the movement mode of the air nozzle 46 ensures the uniformity and the high efficiency of cooling; in the process of moving the moving frame 43, the deflector rod 412 moves up and down along the control groove 48 at the bottom of the first adjusting rod 47, the deflector rod 412 can drive the limiting block 49 and the pushing rod 410 to move up and down due to the design, and the first spring 411 ensures that the top of the deflector rod 412 is always positioned in the control groove 48, so that the whole system is stable in operation, the pushing rod 410 moves up and down, and can make the rotating frame 45 and the tuyere 46 reciprocate in cooperation with the transmission rod 413, and the tuyere 46 can be subjected to air-blowing cooling treatment due to the swinging design, and the air-blowing cooling mode is high in efficiency and capable of effectively reducing the temperature of hot glass to an ideal range; in conclusion, the equipment is ingenious and practical in design, realizes accurate and efficient cooling treatment on hot glass through cooperative work of a plurality of components, ensures the stability and reliability of equipment operation through mechanical precise matching, and has wide application prospect in the glass manufacturing industry and important significance in improving the quality and production efficiency of glass products.
Embodiment III: referring to fig. 7, on the basis of the second embodiment, positioning seats 51 fixedly mounted on the moving seat 4 are provided on two sides of the pressing plate 5, tooth bars 54 are provided at two ends of an inner side of the positioning seats 51 in a staggered manner, sliding seats 52 are slidably connected to inner side ends of the positioning seats 51, air cylinders 53 are provided at tops of the sliding seats 52, the air cylinders 53 are fixedly mounted on the connecting frame 32, output ends of the air cylinders are fixedly connected with the sliding seats 52, two gears 55 are rotatably connected to the positioning seats 51 through rotating shafts, the two gears 55 are respectively meshed with the two tooth bars 54, one ends of the gears 55 are fixedly connected with linkage bars 56, and the other ends of the linkage bars 56 are fixedly connected with the pressing plate 5.
In the embodiment of the invention, the sliding seat 52 is driven to move up and down by opening the air cylinder 53, the sliding seat 52 is matched with the toothed bar 54 to drive the gear 55 to rotate, and the gear 55 is matched with the linkage bar 56 to drive the pressing plate 5 to rotate; when the two pressing plates 5, are closed, for the press forming treatment of the hot glass on the mould 2, during which the action of the pressing plates 5 is critical, they must be able to withstand the high temperatures and pressures in order to ensure that the shape and quality of the glass product meet the requirements; when the two pressing plates 5 are rotated and unfolded upward, the pressing roller 6 is moved downward by the second spring 64 and contacts the surface of the glass, and the bent tempered glass is regionally trimmed by the pressing roller 6.
Embodiment four: on the basis of the third embodiment, as shown in fig. 2 and 6, swinging rods 61 are arranged at two ends of the press roller 6, the tops of the swinging rods 61 are fixedly arranged on the bidirectional screw rods 41, the outer ends of the bottoms of the swinging rods are in sliding connection with the movable seat 4 through auxiliary rods 65, the inner ends of the swinging rods 61 are provided with grooves, sliding rods 63 are fixedly connected in the grooves, rectangular blocks 62 are slidably connected on the sliding rods 63, the ends of the press roller 6 are rotatably arranged on the rectangular blocks 62, and second springs 64 are sleeved at the upper ends of the sliding rods 63.
In the embodiment of the invention, the swing rod 61 and the press roller 6 are driven by the driving motor 42 to swing reciprocally on the movable seat 4, so that the press roller 6 performs regional trimming on the bent toughened glass, continuous and uniform pressure can be applied to the toughened glass by the reciprocal swing of the press roller 6, and the curvature of the surface of the glass is precisely controlled, thus the process not only improves the precision and the aesthetic degree of the glass product, but also greatly reduces the material waste and the production cost; simultaneously, the compression roller 6 is pushed downwards by matching with the rectangular block 62 under the elastic acting force of the second spring 64, and the contact with the surface of glass is ensured; the rotation speed of the driving motor 42 and the swing angle of the swing rod 61 need to be precisely controlled, the too fast rotation speed may cause uneven pressure distribution of the press roller 6, and the too large angle may cause unnecessary damage to the glass, so in actual operation, the driving motor 42 and the swing rod 61 need to be finely adjusted in combination with specific production requirements and process requirements to ensure excellent trimming effect.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The forming process of the curved toughened glass is characterized by comprising the following steps of:
Step one, preheating and forming: placing the glass plate into a high-temperature oven for preheating to soften the glass plate, taking out the hot glass plate, rapidly placing the hot glass plate on a die (2), applying uniform pressure to the hot glass by using a pressing plate (5), and carrying out regional trimming on the bent toughened glass by using a pressing roller (6);
Step two, quenching treatment: after the glass plate is molded, a rotating bidirectional screw rod (41) is matched with a movable frame (43), a sliding seat (44) and a rotating frame (45) to drive a tuyere (46) to move back and forth to perform cold air blowing treatment, and meanwhile, a first adjusting rod (47) is matched with a deflector rod (412), a pushing rod (410), a transmission rod (413) and the rotating frame (45) to drive the tuyere (46) to perform swinging treatment, so that molded glass is rapidly cooled;
Step three, checking and polishing: after the quenching treatment is finished, the quality of the toughened glass is checked, possible defects or products which do not meet the requirements are removed, and the edges of the glass are polished to eliminate sharp edges;
The top of the movable seat (4) is rotationally connected with a bidirectional screw rod (41), one side of the bidirectional screw rod (41) is provided with a driving motor (42) in a transmission way, the bidirectional screw rod (41) is connected with a movable frame (43) in a threaded way, the bottom of the movable frame (43) is fixedly connected with a sliding seat (44), the sliding seat (44) is slidably arranged on the movable seat (4), the sliding seat (44) is rotationally connected with a rotating frame (45), and the bottom end of the rotating frame (45) is fixedly connected with a tuyere (46);
One side of the bidirectional screw rod (41) is provided with a first adjusting rod (47) fixedly arranged on the movable seat (4), one end of the movable frame (43) is sleeved on the first adjusting rod (47), the bottom of the first adjusting rod (47) is provided with a control groove (48), the control groove (48) is gradually wavy, and the movable frame (43) is provided with a control piece matched with the control groove (48);
The control piece comprises a limiting block (49) which is slidably arranged on the movable frame (43), a deflector rod (412) is fixedly connected to the top of the limiting block (49), the top of the deflector rod (412) penetrates through the movable frame (43) and is slidably arranged in the control groove (48), a push rod (410) is fixedly connected to the bottom of the limiting block (49), a first spring (411) is sleeved on the outer wall of the push rod (410), the first spring (411) is arranged in the movable frame (43), and a transmission rod (413) penetrates through the movable frame (43) at the bottom of the push rod (410) and is rotationally connected with the transmission rod through a hinged support;
the bottom of the winch seat is rotationally connected with a second adjusting rod (414), the second adjusting rod (414) is in threaded connection with a transmission rod (413), and the other end of the transmission rod (413) is rotationally connected with a rotating frame (45);
The top of the movable seat (4) is provided with an air pressure regulating valve (415) and an electromagnetic valve (417), the air pressure regulating valve (415) is electrically connected with the electromagnetic valve (417), and the air pressure regulating valve (415) is connected with the air nozzle (46) through an air pipe (416).
2. The process for forming curved tempered glass according to claim 1, wherein: the die (2) is fixedly arranged on the base (1), the top of the base (1) is fixedly connected with a fixing frame (3), the inner side end of the fixing frame (3) is provided with a movable seat (4), the pressing plate (5) is arranged at two ends of the bottom of the movable seat (4), and the pressing roller (6) is arranged at the inner side end of the pressing plate (5).
3. The process for forming curved tempered glass according to claim 2, wherein: the top of the fixing frame (3) is fixedly connected with a hydraulic cylinder (31), the output end of the hydraulic cylinder (31) is fixedly connected with a connecting frame (32), and the movable seat (4) is fixedly arranged at the bottom of the connecting frame (32) through the fixing frame.
4. The process for forming curved tempered glass according to claim 2, wherein: the both sides of clamp plate (5) are provided with positioning seat (51) of fixed mounting on moving seat (4), and the inboard both ends dislocation of positioning seat (51) are provided with rack bar (54), and the inboard end sliding connection of positioning seat (51) has slide (52), and slide (52) top is provided with cylinder (53), is connected with two gears (55) through the pivot rotation on positioning seat (51), and two gears (55) are connected with two rack bar (54) meshing respectively, and the one end fixedly connected with trace (56) of gear (55), the other end and the clamp plate (5) fixed connection of trace (56).
5. The process for forming curved tempered glass according to claim 1, wherein: the both ends of compression roller (6) are provided with swinging arms (61), and swinging arms (61) top fixed mounting is on two-way lead screw (41), bottom outside end pass through auxiliary rod (65) and remove seat (4) sliding connection, and the recess is seted up to swinging arms (61) inboard end, and fixedly connected with slide bar (63) in the recess, sliding connection has rectangular piece (62) on slide bar (63), and compression roller (6) tip rotation is installed on rectangular piece (62), and slide bar (63) upper end cover is equipped with second spring (64).
Priority Applications (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112694244A (en) * | 2020-12-11 | 2021-04-23 | 福耀玻璃工业集团股份有限公司 | Toughened glass forming auxiliary mechanism and forming method thereof |
| CN114538759A (en) * | 2022-03-22 | 2022-05-27 | 阜阳市远大浮法玻璃制品有限公司 | Toughened glass bending device |
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| CN111320363A (en) * | 2020-03-31 | 2020-06-23 | 江门市通和实业有限公司 | Forming mechanism, forming and tempering equipment and method for 3D curved glass |
| CN115572053B (en) * | 2022-10-10 | 2024-04-05 | 湖北佳玻节能科技有限公司 | Bending forming processing device and processing technology for toughened glass |
| CN220012466U (en) * | 2023-07-04 | 2023-11-14 | 泰安市顺行汽车玻璃有限公司 | External forming device for automobile toughened glass |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112694244A (en) * | 2020-12-11 | 2021-04-23 | 福耀玻璃工业集团股份有限公司 | Toughened glass forming auxiliary mechanism and forming method thereof |
| CN114538759A (en) * | 2022-03-22 | 2022-05-27 | 阜阳市远大浮法玻璃制品有限公司 | Toughened glass bending device |
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