A gradual forming laminated glass hot bending arc device and its application method

Abstract

The present invention proposes a laminated glass hot bending arc device with gradual forming and its application method, including a frame, a connecting shaft, a special-shaped cam, a guide wheel and a driving mechanism, wherein the frame is provided with a feeding slot, and the edge of the feeding slot is in an arc shape; the connecting shaft is based on the center point of the feeding slot, and is provided with a plurality of arc arrays, and the connecting shaft is rotatably connected to the frame; the special-shaped cam is provided on one end of the connecting shaft, and the special-shaped cam has a plurality of arc-shaped protrusions with different radii, and the center points of the plurality of arc-shaped protrusions are located on the same virtual circle concentric with the special-shaped cam; the guide wheel is provided on the plurality of arc-shaped protrusions. The present invention drives the connecting shaft and the special-shaped cam to rotate through the driving mechanism, and can realize the switching of the guide wheel, so that the device can adapt to the production of glass with different thicknesses or different forming arcs, and it not only has a wide range of adaptability, but also is convenient to adjust.

Description

Technical Field

[0001] The invention relates to the technical field of glass forming, and in particular to a gradual forming laminated glass hot bending arc device and an application method thereof. Background Art

[0002] The glass hot bending process is a process that heats the glass so that it is bent into a specific shape under the influence of gravity or external force. This process is widely used in the production of architectural glass, automotive glass and some glass products. During the preparation process, the glass needs to be cleaned, and then it is heated, formed, cooled and annealed to complete the final shaping of the glass.

[0003] In the production process of laminated glass, usually a film is placed on a layer of glass, and then another layer of glass is placed on the film, and then through processes such as hot pressing, the two layers of glass are bonded by the film to prepare laminated glass; when the laminated glass needs to be prepared into a curved shape, the laminated glass is heated in the hot pressing process, and then subsequent processing stages such as shaping, cooling and tempering are carried out to complete the preparation of curved laminated glass.

[0004] For example, the existing utility model patent with authorization announcement number CN211078892U discloses a soft-axis bent glass tempering equipment, including a gradient section, a molding section and a tempering section, the gradient section includes a plurality of tensioned flexible cables and a gradient roller installed on the flexible cables, the flexible cables and the gradient roller constitute a molding network; the molding section has a plurality of upper molding arc plates and a plurality of lower molding arc plates, the upper molding arc plates and the lower molding arc plates are respectively provided with molding rollers or a plurality of rotatable molding rollers, a molding channel is formed between the molding rollers or the plurality of molding rollers on the upper molding arc plates and the molding rollers or the plurality of molding rollers on the lower molding arc plates; the equipment may also include a stabilizing section to correct the shape of the curved glass.

[0005] As in the above technical solution, when the glass is hot-bent, the glass is gradually gathered through the gradient section, then formed through the forming section, the shape of the glass is stabilized through the stabilizing section, and finally the glass is tempered through the tempering section.

[0006] In its technical solution, the forming rollers of the forming section are fixed on the forming arc plate through adjustable supports. However, since the forming rollers are long, multiple adjustable supports are required to adjust the forming rollers to adapt to glass of different thicknesses. However, this adjustment method is time-consuming and labor-intensive to operate, and requires manual adjustment of each adjustable support. The operation takes too long, and if there are errors between the adjustable supports, it will also cause deviations in glass forming, affecting product yield. Summary of the invention

[0007] In view of this, the present invention proposes a laminated glass hot bending and arc forming equipment and an application method thereof which is quick and convenient to adjust and can adapt to the gradual forming of glass of different thicknesses and different curvatures, so as to solve the problem that the adjustment of the forming parts in the existing glass hot bending equipment is time-consuming and labor-intensive and easily affects the product yield.

[0008] The technical solution of the present invention is achieved in this way:

[0009] In one aspect, the present invention provides a laminated glass heat bending arc device with gradual forming, comprising a frame, a connecting shaft, a special-shaped cam, a guide wheel and a driving mechanism, wherein:

[0010] The frame is provided with a feeding slot, the edge of which is in an arc shape;

[0011] The connecting shaft is based on the center point of the material passing slot, and multiple connecting shafts are arranged in an arc array, and the connecting shafts are rotatably connected to the frame;

[0012] The special-shaped cam is arranged on one end of the connecting shaft, and the special-shaped cam has a plurality of arc-shaped protrusions with different radii, and the center points of the plurality of arc-shaped protrusions are located on the same virtual circle concentric with the special-shaped cam;

[0013] The guide wheels are arranged on a plurality of arc-shaped protrusions;

[0014] The driving mechanism is arranged on the frame and is used for driving the connecting shaft and the special-shaped cam to rotate so as to realize the switching of the guide wheel.

[0015] On the basis of the above technical solution, preferably, the driving mechanism includes a gear, a slide rail, an inner rack, an outer rack, a worm and a servo motor, wherein:

[0016] The connecting shaft passes through the frame, and the gear is arranged on the other end of the connecting shaft;

[0017] The slide rail is in an arc-shaped structure, and the slide rail and the frame are slidably matched;

[0018] The inner rack is arranged on the slide rail, and the inner rack is meshed with the gear;

[0019] The outer rack is arranged on the slide rail;

[0020] The worm is rotatably connected to the frame, and the worm is meshed with the external rack;

[0021] The servo motor is arranged on the frame, and the main shaft of the servo motor is connected with the worm.

[0022] On the basis of the above technical solution, preferably, the frame includes a first bracket and a second bracket, and the connecting shaft includes a fixed section and a plug-in section, wherein:

[0023] The first bracket and the second bracket are both provided with a material passing slot, and the first bracket and the second bracket are arranged in parallel;

[0024] The fixed section passes through the first bracket and is rotatably connected, and the driving mechanism is arranged on the first bracket to drive the fixed section to rotate;

[0025] The plug-in section penetrates the second bracket and is rotatably connected, the plug-in section and the fixed section are plugged in and relatively positioned in the circumferential direction, and the plug-in point of the plug-in section and the fixed section is located between the first bracket and the second bracket;

[0026] The special-shaped cam is arranged on the plug-in section.

[0027] On the basis of the above technical solution, preferably, it also includes a closed plate, an air flow nozzle and an air supply pipeline, wherein:

[0028] The sealing plate is arranged on the arc surface of the frame to seal the gap between the first bracket and the second bracket;

[0029] The air flow nozzle is arranged on the closed plate, the air supply end of the air flow nozzle penetrates the closed plate, and a plurality of air flow nozzles are arranged, and the plurality of air flow nozzles are staggered with the connecting shaft;

[0030] The air supply pipeline is arranged between the first bracket and the second bracket, and the air supply pipeline is connected to the air supply end of the air flow nozzle through a hose;

[0031] The second bracket is provided with an avoidance groove corresponding to the air supply pipeline.

[0032] On the basis of the above technical solution, preferably, it further comprises a plurality of connecting rods, heat exchange plates and limit plates, wherein:

[0033] The connecting rod is a stepped columnar structure with small diameters at both ends and a large diameter in the middle. One end of the connecting rod passes through the first bracket, and the other end passes through the second bracket. The first bracket and the second bracket clamp the middle large diameter section of the connecting rod.

[0034] The heat exchange plate is clamped between the first bracket and the second bracket, the heat exchange plate abuts against the connecting rod, and a groove is provided on one side of the heat exchange plate;

[0035] A limiting plate is respectively arranged at both ends of the heat exchange plate, and the limiting plate abuts against the side surfaces of the first bracket and the second bracket.

[0036] On the basis of the above technical solution, preferably, it further comprises a guide plate, a plurality of guide plates are arranged on the closed plate, and the guide plates and the air flow nozzles are staggered;

[0037] The end surface of the guide plate is arranged in an inclined shape, and the higher end of the guide plate faces the guide wheel;

[0038] The diameter of the virtual arc formed by the lower ends of the plurality of guide plates is smaller than the diameter of the virtual arc formed by the plurality of air flow nozzles.

[0039] On the basis of the above technical solution, preferably, it further includes a first locking bolt and a connecting frame, wherein:

[0040] The first locking bolt is arranged on the arc-shaped protrusion of the special-shaped cam;

[0041] The connecting frame fits the arc-shaped protrusion, and the first locking bolt passes through the connecting frame and is installed with a nut;

[0042] The guide wheel is rotatably arranged on the connecting frame.

[0043] On the basis of the above technical solution, preferably, it further includes a side plate and a second locking bolt, wherein,

[0044] The side plates are arranged on both sides of the connecting frame, and the side plates of the connecting frame sides are connected to each other to completely close the circumference of the special-shaped cam;

[0045] The second locking bolt is arranged at the butt joint of the two side plates, the second locking bolt penetrates the side plates and the special-shaped cam, and is threadedly connected with the connecting shaft, and the second locking bolt presses the end of the side plate.

[0046] On the basis of the above technical solution, preferably, it also includes a turntable, a laser and a laser receiving target, wherein:

[0047] The turntable is arranged on the frame, and the turntable is located at the lower side of the material passing slot;

[0048] The laser is arranged on a turntable;

[0049] Two laser receiving targets are arranged on the frame. The two laser receiving targets are symmetrically located on both sides of the material passing slot and form a triangle layout with the laser.

[0050] On the other hand, the present invention provides an application method of the above-mentioned gradual forming laminated glass hot bending arc device, comprising the following steps:

[0051] S1. Determine the glass specifications and forming curvature requirements, and arrange several laminated glass hot bending arc equipment in parallel;

[0052] S2. The connecting shaft and the special-shaped cam are driven to rotate by the driving mechanism, and the arc-shaped protrusion corresponding to the production requirements is switched toward the center of the material passing slot, so that the arc-shaped protrusions of the multiple special-shaped cams are located on the edge of the same virtual circle;

[0053] S3, repeating step S2, adjusting the plurality of laminated glass heat bending and arc forming devices, from the glass supply direction to the output direction, the diameter of the virtual circle corresponding to the arc-shaped protrusion on the laminated glass heat bending and arc forming device gradually decreases, forming a gradual forming section;

[0054] Meanwhile, at the end of the output direction, the diameters of the virtual circles corresponding to the arc-shaped protrusions of the multiple laminated glass heat bending devices are the same and sufficient to support the glass in the length direction to form a shaping and cooling section;

[0055] S4. Clean the guide wheel to ensure that there is no impurity on the surface;

[0056] S5. The heated glass is supplied and transported by the guide wheel. When the glass passes through the gradual forming section, the glass changes from a large diameter arc to a small diameter arc. After the glass reaches the appropriate specifications, it enters the shaping and cooling section and is cooled and shaped as it is transported.

[0057] The gradual forming laminated glass hot bending arc device and its application method of the present invention have the following beneficial effects compared with the prior art:

[0058] (1) By arranging a plurality of connecting shafts at the edge of the material feeding slot, and arranging a special-shaped cam having a plurality of arc-shaped protrusions with different diameters on the connecting shaft, and arranging a guide wheel on the arc-shaped protrusion, the connecting shaft and the special-shaped cam are driven to rotate by a driving mechanism, so that the guide wheel can be switched. Since the radius of the arc-shaped protrusion is different, the diameter of the virtual circle formed by the plurality of guide wheels will change after the guide wheel is switched, so that the device can be adapted to the production of glass with different thicknesses or different forming curvatures. It not only has a wide range of adaptability, but also is easy to adjust.

[0059] (2) In the driving mechanism, the servo motor drives the worm to rotate. Since the slide rail is slidably connected to the frame, and the inner rack and the outer rack are relatively fixed to the slide rail, the worm can simultaneously drive the inner rack, the slide rail and the outer rack to move synchronously. Then, through the meshing of the inner rack and the gear, all the special-shaped cams can be driven to rotate at the same time to achieve synchronous switching. In this way, the guide wheel adjustment consistency is high, which can eliminate the problem of large error in the traditional adjustment method;

[0060] (3) The frame is configured as a first bracket and a second bracket, which are used to fix the fixed section and the plug-in section of the connecting shaft respectively. When maintenance is required, the plug-in section and the special-shaped cam can be removed from the second bracket together. After maintenance, the plug-in section can be installed on the second bracket and docked with the fixed end to realize transmission, thereby improving the convenience of maintenance;

[0061] (4) By setting up a sealing plate, foreign matter can be prevented from entering the frame and affecting the running stability of the connecting shaft. At the same time, the sealing plate is used to carry the air flow nozzle, which is connected to the air supply pipeline through the air flow nozzle, and can blow out cooling air flow or heating air flow to achieve cooling and shaping of the glass or heating to maintain the plasticity of the glass, thereby realizing a complete glass hot bending processing technology;

[0062] (5) By arranging a heat exchange plate between the first bracket and the second bracket, the heat dissipated by the glass can be recycled and utilized, and the heat can be dissipated from the frame to prevent the high temperature from affecting the structural stability of the connecting shaft and the driving mechanism; at the same time, a groove is arranged on the heat exchange plate, and the hose connecting the air flow nozzle and the air supply pipeline can be limited by the groove to prevent the pipeline from interfering with the rotation of the connecting shaft, thereby ensuring the stability of operation;

[0063] (6) By providing a connecting frame and a first locking bolt, the guide wheel can be fixed to the special-shaped cam. At the same time, by providing a side plate and a second locking bolt, the side plate, the special-shaped cam and the connecting shaft can be relatively fixed by relying on the second locking bolt, thereby further increasing the stability of the guide wheel installation and realizing the connection between the special-shaped cam and the connecting shaft, which is convenient for disassembly and assembly;

[0064] (7) By setting up a turntable, a laser and a laser receiving target, the turntable can be used to drive the laser to rotate. At the same time, the information received by the laser receiving target can be used to determine whether the forming curvature of the glass meets the standard, thereby improving the convenience of glass detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0065] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0066] Figure 1 It is a three-dimensional diagram of the gradual forming laminated glass heat bending arc device of the present invention;

[0067] Figure 2 It is a structural diagram of the installation of the driving mechanism of the gradual forming laminated glass hot bending arc device of the present invention;

[0068] Figure 3 It is a front view of the gradual forming laminated glass heat bending arc device of the present invention;

[0069] Figure 4 It is a rear view of the gradual forming laminated glass heat bending arc device of the present invention;

[0070] Figure 5 An exploded view of the gradual forming laminated glass heat bending arc device of the present invention;

[0071] Figure 6 For the present invention Figure 5 A magnified view of the structure at point A;

[0072] Figure 7It is a disassembly structure diagram of the sealing plate of the gradual forming laminated glass heat bending arc device of the present invention;

[0073] Figure 8 It is a structural diagram of the transmission mechanism connected to the special-shaped cam of the gradual forming laminated glass hot bending arc device of the present invention;

[0074] Fig. 9 It is a three-dimensional diagram of the connection structure of the connection shaft and the special-shaped cam of the gradual forming laminated glass heat bending arc device of the present invention;

[0075] Fig.10 It is an exploded structural diagram of the connecting shaft and the special-shaped cam of the gradual forming laminated glass heat bending arc device of the present invention;

[0076] Fig.11 It is a structural diagram of a special-shaped cam of a laminated glass heat bending arc device of the present invention;

[0077] Fig.12 It is a schematic structural diagram of the arc-shaped protruding portion of the special-shaped cam of the gradual forming laminated glass heat bending arc device of the present invention;

[0078] Fig.13 It is a schematic diagram of the layout of the airflow nozzle and the guide plate of the gradual forming laminated glass hot bending arc equipment of the present invention;

[0079] Fig.14 It is a schematic diagram of the layout of guide wheels of the gradual forming laminated glass hot bending arc equipment of the present invention;

[0080] Fig.15 Schematic diagram of laser detection of the gradual forming laminated glass hot bending arc device of the present invention Figure 1 ;

[0081] Fig.16 Schematic diagram of laser detection of the gradual forming laminated glass hot bending arc device of the present invention Figure 2 ;

[0082] In the figure: 1, frame; 1011, first bracket; 1012, second bracket; 101, material passing notch; 102, avoidance groove; 2, connecting shaft; 21, fixed section; 22, plug-in section; 3, special-shaped cam; 301, arc-shaped protrusion; 4, guide wheel; 5, driving mechanism; 51, gear; 52, slide rail; 53, inner rack; 54, outer rack; 55, worm; 56, servo motor; 6, closed plate; 7, air flow nozzle; 8, air supply pipeline; 9, connecting rod; 10, heat exchange plate; 1001, groove; 11, limit plate; 12, guide plate; 13, first locking bolt; 14, connecting frame; 15, side plate; 16, second locking bolt; 17, turntable; 18, laser; 19, laser receiving target; 100, virtual circle; α, error angle; a, initial laser; b, error laser. DETAILED DESCRIPTION

[0083] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0084] like Figures 1 to 14 As shown, the gradual forming laminated glass hot bending arc device of the present invention includes a frame 1, a connecting shaft 2, a special-shaped cam 3, a guide wheel 4, a driving mechanism 5, a sealing plate 6, an air flow nozzle 7, an air supply pipeline 8, a connecting rod 9, a heat exchange plate 10, a limit plate 11, a guide plate 12, a first locking bolt 13, a connecting frame 14, a side plate 15, a second locking bolt 16, a turntable 17, a laser 18 and a laser receiving target 19.

[0085] like Figures 1 to 5 As shown, a feeding slot 101 is provided on the frame 1, and the edge of the feeding slot 101 is in an arc shape; the connecting shaft 2 is based on the center point of the feeding slot 101, and is arranged in an arc array, and the connecting shaft 2 is rotatably connected to the frame 1; the special-shaped cam 3 is arranged on one end of the connecting shaft 2, and the special-shaped cam 3 has a plurality of arc-shaped protrusions 301 with different radii, and the center points of the plurality of arc-shaped protrusions 301 are located on the same virtual circle concentric with the special-shaped cam 3; the guide wheel 4 is arranged on the plurality of arc-shaped protrusions 301; the driving mechanism 5 is arranged on the frame 1, and is used to drive the connecting shaft 2 and the special-shaped cam 3 to rotate, so as to realize the switching of the guide wheel 4;

[0086] As in the above structure, the material slot 101 is used for moving the glass. When the glass is transported through the material slot 101, the guide wheel 4 supports the glass. At this time, the heated glass automatically adheres to the guide wheel 4 under the influence of gravity, thereby forming a curved glass.

[0087] Due to the different thickness of glass and different requirements for the curvature of glass, the hot bending equipment needs to be adjusted;

[0088] like Fig.12As shown, there are four virtual circles 100, three of which correspond to the arc-shaped protrusions 301 of the special-shaped cam 3, and another virtual circle 100 is concentric with the special-shaped cam 3, that is, concentric with the connecting shaft 2, and the virtual circle 100 passes through the centers of the other three virtual circles 100. In this way, since the radii of the three arc-shaped protrusions 301 are different, the distance between the guide wheel 4 on the arc-shaped protrusion 301 and the center of the material passing notch 101 is also different. When adjusting the special-shaped cam 3, the distance between the arc-shaped protrusion 301 and the center of the material passing notch 101 can be adjusted;

[0089] Specifically, by driving the connecting shaft 2 and the special-shaped cam 3 to rotate through the driving mechanism 5, the guide wheel 4 corresponding to the material passing slot 101 can be switched. Since the guide wheel 4 is located on the arc-shaped protrusion 301, when switching to the arc-shaped protrusion 301 with different radii, the distance between the guide wheel 4 and the center point of the material passing slot 101 is different, so as to adapt to glass of different thicknesses or bend the glass into different arcs.

[0090] When in use, multiple hot bending arc forming devices can be deployed. When multiple hot bending arc forming devices are deployed, the distance between the guide wheel 4 and the center point of the material passing slot 101 changes from large to small, so that when the glass passes through, it will gradually bend into a preset arc.

[0091] Furthermore, multiple hot bending and arc forming devices can be further deployed. In the multiple hot bending and arc forming devices, the distances between the guide wheel 4 and the center point of the material transfer slot 101 are equal, so as to convey the formed glass and shape the glass.

[0092] like Figure 2 and Figure 8 As shown, the driving mechanism 5 includes a gear 51, a slide rail 52, an inner rack 53, an outer rack 54, a worm 55 and a servo motor 56, wherein the connecting shaft 2 passes through the frame 1, and the gear 51 is arranged on the other end of the connecting shaft 2; the slide rail 52 is an arc-shaped structure, and the slide rail 52 and the frame 1 are slidably matched; the inner rack 53 is arranged on the slide rail 52, and the inner rack 53 is meshed with the gear 51; the outer rack 54 is arranged on the slide rail 52; the worm 55 is rotatably connected with the frame 1, and the worm 55 is meshed with the outer rack 54; the servo motor 56 is arranged on the frame 1, and the main shaft of the servo motor 56 is connected to the worm 55;

[0093] As in the above structure, when it is necessary to drive the special-shaped cam 3 to rotate to realize the switching of the guide wheel 4, the servo motor 56 is used to drive the worm 55 to rotate, and the worm 55 will drive the slide rail 52 and the inner rack 53 to move synchronously by relying on the engagement with the outer rack 54, and then rely on the engagement between the inner rack 53 and the gear 51 to drive all the connecting shafts 2 and the special-shaped cam 3 to rotate, thereby realizing the synchronous adjustment of multiple guide wheels 4, which has the advantages of fast adjustment, time saving and labor saving.

[0094] When making adjustments, the worm 55 drives the slide rail 52, the inner rack 53 and the outer rack 54 to achieve the switching adjustment of the guide wheel 4 in a reciprocating swinging manner, so that the special-shaped cam 3 will not achieve a complete rotation, which is conducive to reducing the length of the slide rail 52, the inner rack 53 and the outer rack 54. At the same time, in this structure, relying on the self-locking cooperation of the worm 55 and the outer rack 54, the positioning stability of the special-shaped cam 3 and the guide wheel 4 can be ensured to achieve good support for the glass.

[0095] In some embodiments, an internal gear may be provided to cooperate with the internal rack 53. In this case, the external rack 54 and the worm 55 are not provided. Instead, a servo motor is used to directly drive the internal gear to rotate, thereby driving the internal rack 53 and the slide rail 52 to move.

[0096] like Figures 9-11 As shown, the first locking bolt 13 is arranged on the arc-shaped protrusion 301 of the special-shaped cam 3; the connecting frame 14 is fitted with the arc-shaped protrusion 301, the first locking bolt 13 passes through the connecting frame 14 and is installed with a nut; the guide wheel 4 is rotatably arranged on the connecting frame 14;

[0097] As shown in the above structure, when installing the guide wheel 4, the first locking bolt 13 is set on the arc-shaped protrusion 301, and then the connecting frame 14 is connected to the first locking bolt 13. The guide wheel 4 is set on the connecting frame 14, so that the connecting frame 14 and the special-shaped cam 3 form a detachable structure, which is convenient for cleaning and maintenance of the components.

[0098] like Fig.10 As shown, the side plates 15 are arranged on both sides of the connecting frame 14, and the side plates 15 on the sides of the connecting frame 14 are connected to each other to completely close the circumference of the special-shaped cam 3; the second locking bolt 16 is arranged at the butt joint of the two side plates 15, and the second locking bolt 16 passes through the side plates 15 and the special-shaped cam 3, and is threadedly connected to the connecting shaft 2, and the second locking bolt 16 presses the end of the side plate 15;

[0099] As in the above structure, when installing the connecting frame 14, the side plate 15 is also used for assistance. After the connecting frame 14 is assembled, the side plates 15 of the two adjacent connecting frames 14 will be docked. Since the connecting frame 14 has been preliminarily fixed to the special-shaped cam 3 by the first locking bolt 13, it is only necessary to pass the second locking bolt 16 through the side plate 15 and the special-shaped cam 3, and then threadedly connect it with the connecting shaft 2 to fix the special-shaped cam 3 to the connecting shaft 2; this structure further enhances the stability of the installation of the connecting frame 14, and also realizes the connection work between the special-shaped cam 3 and the connecting shaft 2.

[0100] like Figure 5 , Figure 7 and Figure 8The frame 1 includes a first bracket 1011 and a second bracket 1012, and the connecting shaft 2 includes a fixed section 21 and a plug-in section 22, wherein the first bracket 1011 and the second bracket 1012 are both provided with a material passing slot 101, and the first bracket 1011 and the second bracket 1012 are arranged in parallel; the fixed section 21 passes through the first bracket 1011 and is rotatably connected, and the driving mechanism 5 is arranged on the first bracket 1011 to drive the fixed section 21 to rotate; the plug-in section 22 passes through the second bracket 1012 and is rotatably connected, the plug-in section 22 is plugged with the fixed section 21 and is relatively positioned in the circumferential direction, and the plug-in point of the plug-in section 22 and the fixed section 21 is located between the first bracket 1011 and the second bracket 1012; the special-shaped cam 3 is arranged on the plug-in section 22;

[0101] As shown in the above structure, the connecting shaft 2 is divided into two parts, namely, a fixed section 21 and a plug-in section 22, and the frame 1 is divided into two parts, namely, a first bracket 1011 and a second bracket 1012;

[0102] The driving mechanism 5 is disposed on the first bracket 1011, so that the fixed section 21 is connected to the first bracket 1011, that is, the driving mechanism 5 can always drive the fixed section 21 to rotate;

[0103] The special-shaped cam 3 is arranged on the plug-in section 22. By passing the plug-in section 22 through the second bracket 1012 and then plugging and matching with the fixed section 21 to achieve axial positioning, the special-shaped cam 3 can be rotated, and then the guide wheel 4 can be switched. This structure makes the special-shaped cam 3 detachable, which improves the convenience of maintenance.

[0104] Specifically, when laying out the plug-in section 22 , an axially positioned shaft cylinder is provided on the plug-in section 22 , and the shaft cylinder is plugged and fixed to the second bracket 1012 .

[0105] like Figures 1 to 5 and Figure 6 As shown, the sealing plate 6 is arranged on the arc surface of the frame 1 to seal the gap between the first bracket 1011 and the second bracket 1012;

[0106] In this way, after the gap is sealed by the sealing plate 6, foreign objects that fall into the gap and affect the connection between the fixed section 21 and the plug-in section 22 can be prevented, thereby ensuring that the connecting shaft 2 has reliable stability.

[0107] The air flow nozzle 7 is arranged on the sealed plate 6, the air supply end of the air flow nozzle 7 penetrates the sealed plate 6, and a plurality of air flow nozzles 7 are arranged, and the plurality of air flow nozzles 7 are staggered with the connecting shaft 2;

[0108] As in the above structure, the airflow nozzle 7 is used for airflow blowing, which can blow out hot airflow to heat the glass being transported, thereby avoiding the problem of excessive cooling of the glass in a low temperature environment affecting the forming;

[0109] The air flow nozzle 7 can also be used to blow cooling air flow to cool and temper the shaped glass.

[0110] The air supply pipeline 8 is arranged between the first bracket 1011 and the second bracket 1012, and the air supply pipeline 8 is connected to the air supply end of the air flow nozzle 7 through a hose; the second bracket 1012 is provided with an avoidance groove 102 corresponding to the air supply pipeline 8;

[0111] In such a structure, the air supply pipeline 8 is used to connect the air supply equipment to supply air flow to the air flow nozzles 7. Since the number of air flow nozzles 7 is large, the diameter of the air supply pipeline 8, as the main pipeline, needs to be set larger. Therefore, an avoidance groove 102 is opened to allow a large-diameter air supply pipeline 8 to be set between the first bracket 1011 and the second bracket 1012. This structure can reduce the thickness of the hot bending arc equipment and improve the compactness of the structure.

[0112] like Figure 7 As shown, the connecting rod 9 is a stepped columnar structure with small diameters at both ends and a large diameter in the middle. One end of the connecting rod 9 passes through the first bracket 1011, and the other end passes through the second bracket 1012. The first bracket 1011 and the second bracket 1012 clamp the middle large diameter section of the connecting rod 9;

[0113] As in the above structure, when assembling the frame 1, the distance between the first bracket 1011 and the second bracket 1012 is controlled by the middle large diameter section of the connecting rod 9, and after the ends are passed through, they can be locked and fixed with nuts.

[0114] The heat exchange plate 10 is clamped and arranged between the first bracket 1011 and the second bracket 1012, the heat exchange plate 10 abuts against the connecting rod 9, and a groove 1001 is arranged on one side of the heat exchange plate 10; a limiting plate 11 is arranged at each end of the heat exchange plate 10, and the limiting plate 11 abuts against the side surfaces of the first bracket 1011 and the second bracket 1012;

[0115] As described above, the heat exchange plate 10 is used for cooling the rack 1 and for heat recovery to prevent the high temperature carried by the glass from affecting the working accuracy of each component.

[0116] Specifically, when assembling the heat exchange plate 10, the heat exchange plate 10 is limited by the middle large diameter section of the plurality of connecting rods 9, and is limited by the limiting plate 11 in cooperation with the outer wall of the frame 1 to ensure the stability of the installation of the heat exchange plate 10; at the same time, the setting of the limiting plate 11 also achieves the sealing of the frame 1 with the quota and the sealing plate 6;

[0117] Furthermore, a groove 1001 is provided on one side of the heat exchange plate 10. Since the heat exchange plate 10 is clamped by the first bracket 1011 and the second bracket 1012, the side of the heat exchange plate 10 will fit the inner wall of the frame 1. At this time, the groove 1001 is used to lay a hose connecting the air flow nozzle 7 and the air supply pipeline 8, so as to limit the position of the hose and avoid interference between the hose and the connecting shaft 2 to ensure the stability of the movement.

[0118] like Figures 1 to 5 As shown, a plurality of guide plates 12 are arranged on the closed plate 6, and the guide plates 12 and the airflow nozzles 7 are arranged alternately; the end surface of the guide plate 12 is arranged in an inclined shape, and the higher end of the guide plate 12 faces the guide wheel 4; the diameter of the virtual arc formed by the lower ends of the plurality of guide plates 12 is smaller than the diameter of the virtual arc formed by the plurality of airflow nozzles 7;

[0119] As in the above mechanism, by providing the guide plate 12, it can first support the glass with the guide wheel 4 to guide the glass onto the guide wheel 4, so as to improve the glass forming yield;

[0120] Specifically, Fig.13 As shown, the virtual circle 100 in the figure is formed by the lower end of multiple guide plates 12, and its diameter is smaller than the diameter of the virtual arc formed by multiple air flow nozzles 7, so as to avoid the air flow nozzles 7 from interfering with the glass, thereby ensuring the normal transportation of the glass.

[0121] like Figure 3 , Figure 5 and Figure 6 As shown, the turntable 17 is arranged on the frame 1, and the turntable 17 is located at the lower side of the material passing slot 101; the laser 18 is arranged on the turntable 17; two laser receiving targets 19 are arranged on the frame 1, and the two laser receiving targets 19 are symmetrically located on both sides of the material passing slot 101, and form a triangle layout with the laser 18;

[0122] As in the above structure, reference Fig.15 During the inspection, if the glass is formed normally, at the initial position of the laser 18, the laser of the laser 18 can be received by the laser receiving target 19;

[0123] like Fig.16 As shown, if there is a deviation in glass molding, the laser a emitted by the laser 18 in the initial state will be refracted by the glass, and the laser receiving target 19 cannot receive the laser. At this time, the turntable 17 drives the laser 18 to rotate until the laser can be received by the laser receiving target 19. At this time, it is the error laser b. After that, the angle between the laser a and the laser b is calculated, and the approximate error of glass molding can be known.

[0124] Specifically, the error angle α between the laser a and the laser b can be obtained by relying on the turntable 17. The error angle α can be obtained by comparing the position of the output shaft of the turntable 17 when the laser 18 is in the initial state with the position of the output shaft when the laser receiving target 19 receives the laser.

[0125] When the turntable 17 is driven by a servo motor, the servo motor encoder can directly provide the above-mentioned angle error α;

[0126] As described above, the triangular layout of the laser receiving target 19 and the laser 18 can detect the glass from both sides.

[0127] Specifically, when the detection structure is used, the turntable 17 can be used to drive the laser 18 to rotate back and forth, and the outer diameter of the glass can be determined based on the changes in the laser receiving point position on the laser receiving target 19. That is, when the laser is received by the laser receiving target 19, or when it is not received, it means that the laser has crossed the glass, and the corresponding laser point position corresponds to the glass contour.

[0128] The application method of the gradual forming laminated glass hot bending arc device of the present invention comprises the following steps:

[0129] S1. Determine the glass specifications and forming curvature requirements, and arrange several laminated glass hot bending arc equipment in parallel;

[0130] S2, driving the connecting shaft 2 and the special-shaped cam 3 to rotate through the driving mechanism 5, switching the arc-shaped protrusion 301 corresponding to the production requirements toward the center of the material passing slot 101, so that the arc-shaped protrusions 301 of the multiple special-shaped cams 3 are located on the edge of the same virtual circle;

[0131] For details, see Fig.14 This step is to adjust the guide wheel 4 to control the distance between the guide wheel 4 and the center of the material passing slot 101;

[0132] S3, repeating step S2, adjusting the plurality of laminated glass heat bending and arc forming devices, from the glass supply direction to the output direction, the diameter of the virtual circle corresponding to the arc-shaped protrusion 301 on the laminated glass heat bending and arc forming device gradually decreases, forming a gradual forming section;

[0133] Meanwhile, at the end of the output direction, the diameters of the virtual circles corresponding to the arc-shaped protrusions 301 of the multiple laminated glass heat bending devices are the same and sufficient to support the glass in the length direction to form a shaping and cooling section;

[0134] S4. Clean the guide wheel 4 to ensure that there is no impurity on the surface;

[0135] S5. The heated glass is supplied and transported by the guide wheel 4. When the glass passes through the gradual forming section, the glass changes from a large diameter arc to a small diameter arc. After the glass reaches the appropriate specifications, it enters the shaping and cooling section and is cooled and shaped as it is transported.

[0136] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gradual forming laminated glass hot bending arc device, characterized by: It comprises a frame (1), a connecting shaft (2), a special-shaped cam (3), a guide wheel (4) and a driving mechanism (5), wherein: The frame (1) is provided with a material passing slot (101), and the edge of the material passing slot (101) is in an arc shape; The connecting shaft (2) is based on the center point of the material passing slot (101), and a plurality of connecting shafts (2) are arranged in an arc-shaped array, and the connecting shaft (2) is rotatably connected to the frame (1); The special-shaped cam (3) is arranged on one end of the connecting shaft (2), and the special-shaped cam (3) has a plurality of arc-shaped protrusions (301) with different radii, and the center points of the plurality of arc-shaped protrusions (301) are located on the same virtual circle concentric with the special-shaped cam (3); The guide wheel (4) is arranged on each of the plurality of arc-shaped protrusions (301); The driving mechanism (5) is arranged on the frame (1) and is used to drive the connecting shaft (2) and the special-shaped cam (3) to rotate, so as to realize the switching of the guide wheel (4).

2. The gradual forming laminated glass hot bending arc device according to claim 1, characterized in that: The driving mechanism (5) comprises a gear (51), a slide rail (52), an inner rack (53), an outer rack (54), a worm (55) and a servo motor (56), wherein: The connecting shaft (2) passes through the frame (1), and the gear (51) is arranged on the other end of the connecting shaft (2); The slide rail (52) is in an arc-shaped structure, and the slide rail (52) is in sliding cooperation with the frame (1); The inner gear rack (53) is arranged on the slide rail (52), and the inner gear rack (53) is meshed with the gear (51); The outer rack (54) is arranged on the slide rail (52); The worm (55) is rotatably connected to the frame (1), and the worm (55) is meshed with the external rack (54); The servo motor (56) is arranged on the frame (1), and the main shaft of the servo motor (56) is connected to the worm (55).

3. The gradual forming laminated glass hot bending arc device according to claim 1, characterized in that: The frame (1) comprises a first bracket (1011) and a second bracket (1012), and the connecting shaft (2) comprises a fixed section (21) and a plug-in section (22), wherein: The first bracket (1011) and the second bracket (1012) are both provided with a material passing slot (101), and the first bracket (1011) and the second bracket (1012) are arranged in parallel; The fixed section (21) passes through the first bracket (1011) and is rotatably connected thereto, and the driving mechanism (5) is arranged on the first bracket (1011) to drive the fixed section (21) to rotate; The plug-in section (22) penetrates the second bracket (1012) and is rotatably connected, the plug-in section (22) and the fixed section (21) are plugged in and positioned relative to each other in the circumferential direction, and the plug-in point between the plug-in section (22) and the fixed section (21) is located between the first bracket (1011) and the second bracket (1012); The special-shaped cam (3) is arranged on the plug-in section (22).

4. The gradual forming laminated glass hot bending arc device as claimed in claim 3, characterized in that: It also includes a sealing plate (6), an air flow nozzle (7) and an air supply pipeline (8), wherein: The sealing plate (6) is arranged on the arc-shaped surface of the frame (1) to seal the gap between the first bracket (1011) and the second bracket (1012); The air flow nozzle (7) is arranged on the sealed plate (6), the air supply end of the air flow nozzle (7) penetrates the sealed plate (6), and a plurality of the air flow nozzles (7) are arranged, and the plurality of the air flow nozzles (7) are staggered with the connecting shaft (2); The air supply pipeline (8) is arranged between the first bracket (1011) and the second bracket (1012), and the air supply pipeline (8) is connected to the air supply end of the air flow nozzle (7) through a hose; The second bracket (1012) is provided with an avoidance groove (102) corresponding to the air supply pipeline (8).

5. The gradual forming laminated glass hot bending arc device according to claim 4, characterized in that: It also includes a plurality of connecting rods (9), a heat exchange plate (10) and a limit plate (11), wherein: The connecting rod (9) is a stepped columnar structure with small diameters at both ends and a large diameter in the middle; one end of the connecting rod (9) passes through the first bracket (1011), and the other end passes through the second bracket (1012); the first bracket (1011) and the second bracket (1012) clamp the middle large diameter section of the connecting rod (9); The heat exchange plate (10) is clamped and arranged between the first bracket (1011) and the second bracket (1012), the heat exchange plate (10) abuts against the connecting rod (9), and a groove (1001) is arranged on one side of the heat exchange plate (10); The limiting plate (11) is provided at each of the two ends of the heat exchange plate (10), and the limiting plate (11) abuts against the side surfaces of the first bracket (1011) and the second bracket (1012).

6. The gradual forming laminated glass hot bending arc device according to claim 4, characterized in that: It also includes a guide plate (12), a plurality of guide plates (12) are arranged on the sealing plate (6), and the guide plates (12) and the air flow nozzles (7) are arranged alternately; The end surface of the guide plate (12) is arranged in an inclined shape, and the higher end of the guide plate (12) faces the guide wheel (4); The diameter of the virtual arc formed by the lower ends of the plurality of guide plates (12) is smaller than the diameter of the virtual arc formed by the plurality of air flow nozzles (7).

7. The gradual forming laminated glass hot bending arc device according to claim 1, characterized in that: It also includes a first locking bolt (13) and a connecting frame (14), wherein: The first locking bolt (13) is arranged on the arc-shaped protrusion (301) of the special-shaped cam (3); The connecting frame (14) is in contact with the arc-shaped protrusion (301), and the first locking bolt (13) passes through the connecting frame (14) and is installed with a nut; The guide wheel (4) is rotatably arranged on the connecting frame (14).

8. The gradual forming laminated glass hot bending arc device according to claim 7, characterized in that: It also includes a side plate (15) and a second locking bolt (16), wherein: The side plates (15) are arranged on both sides of the connecting frame (14), and the side plates (15) on the sides of a plurality of the connecting frames (14) are connected to each other to completely close the circumference of the special-shaped cam (3); The second locking bolt (16) is arranged at the docking point of the two side plates (15), the second locking bolt (16) passes through the side plate (15) and the special-shaped cam (3), and is threadedly connected to the connecting shaft (2), and the second locking bolt (16) presses the end of the side plate (15).

9. The gradual forming laminated glass hot bending arc device according to claim 1, characterized in that: It also includes a turntable (17), a laser (18) and a laser receiving target (19), wherein: The turntable (17) is arranged on the frame (1), and the turntable (17) is located at the lower side of the material passing slot (101); The laser (18) is arranged on the turntable (17); Two laser receiving targets (19) are arranged on the frame (1), and the two laser receiving targets (19) are symmetrically located on both sides of the material passing slot (101) and form a triangle layout with the laser (18).

10. An application method of the gradual forming laminated glass hot bending arc device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Determine the glass specifications and the requirements for the forming curvature, and arrange a plurality of the laminated glass heat bending arc devices in parallel; S2, driving the connecting shaft (2) and the special-shaped cam (3) to rotate by means of the driving mechanism (5), switching the arc-shaped protrusion (301) corresponding to the production requirements toward the center of the material passing slot (101), so that the arc-shaped protrusions (301) of the plurality of special-shaped cams (3) are located on the edge of the same virtual circle; S3, repeating step S2, adjusting the plurality of laminated glass heat bending and arc forming devices, so that the diameter of the virtual circle corresponding to the arc-shaped protrusion (301) on the laminated glass heat bending and arc forming devices gradually decreases from the glass supply direction to the output direction, forming a gradual forming section; At the same time, at the end of the output direction, the diameters of the virtual circles corresponding to the arc-shaped protrusions (301) of the laminated glass heat bending arc device are the same and sufficient to support the glass in the length direction to form a shaping cooling section; S4, cleaning the guide wheel (4) to ensure that there is no impurity on the surface; S5. The heated glass is supplied and transported by the guide wheel (4). When the glass passes through the gradual forming section, the glass changes from a large diameter arc to a small diameter arc. After the glass reaches a suitable specification, it enters the shaping and cooling section and is cooled and shaped as it is transported.

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