Arc changing device and bent tempering equipment thereof

Abstract

The invention discloses an arc changing device and bent tempering equipment thereof.The arc changing device comprises an arc changing assembly and a lifting assembly, the lifting assembly comprises a lifting mechanism and a driving mechanism, the lifting mechanism comprises a first lifting piece and a second lifting piece, the two ends of the second lifting piece are the first end and the second end respectively, the first end is hinged to the first lifting piece, and the second end is hinged to the second lifting piece; the second end is hinged to the end of the arc changing assembly. The driving mechanism is used for driving the first lifting piece to rotate so that the first lifting piece can drive the first end to rotate, and the second end lifting arc changing assembly can conduct lifting arc changing. The first lifting part is driven by the driving mechanism to rotate, then the lifting force and the arc changing degree of the second lifting part to the arc changing assembly are adjusted, and due to the hinged structure of the first lifting part and the second lifting part, the change of the included angle between the lifting force and the arc changing direction of the arc changing assembly in the arc changing process is effectively controlled, and the arc changing effect is improved. The effective component force of the edge arc changing of the arc changing assembly is increased, and the problem that the edge arc changing of the glass is not in place is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of glass forming, and particularly relates to a variable arc device and its bent tempered glass equipment. Background Art

[0002] At present, the variable arc device of glass bent tempered glass equipment usually consists of components such as a power source, a winding and lifting assembly, and a variable arc dragon. Among them, the power source is used to drive the winding shaft of the winding and lifting assembly to rotate, so that the winding shaft winds the steel wire rope or chain of the winding and lifting assembly, and the steel wire rope or chain transmits the power to the variable arc dragon. The variable arc dragon directly contacts the glass and deforms under the action of the lifting assembly, so that the glass is bent into the required arc.

[0003] However, as the variable arc process progresses, the angle between the lifting force and the variable arc dragon changes greatly during the arc lifting process. Refer to Figure 1 , at the initial stage of variable arc, the variable arc dragon is in an initial flat state, and the included angle α between the direction of the lifting force F and the variable arc direction of the variable arc dragon to be variable arc is relatively small, and more of the lifting force F is converted into the effective component force F1 that makes the variable arc dragon variable arc. At this time, the variable arc dragon can start to bend and variable arc better as expected.

[0004] But as the variable arc process progresses, especially in the later stage of variable arc, refer to Figure 2 , the variable arc dragon has generated a certain arc, and the position of the arc lifting point has changed, resulting in the included angle β between the direction of the lifting force F and the variable arc direction of the variable arc dragon gradually increasing. At this time, the effective component force F1 that the lifting force F is converted into to make the variable arc dragon further variable arc is greatly reduced. Since the component force of the lifting force converted into variable arc decreases in the later stage of variable arc, the glass edge cannot obtain enough force to complete the final variable arc operation, and the situation of incomplete variable arc at the edge often occurs. When producing small-radius bent tempered glass, the above problems are more prominent. Summary of the Invention

[0005] In order to overcome at least one of the above-mentioned defects of the prior art, the present invention provides a variable arc device and its bent tempered glass equipment. Through the hinged structure of the first lifting member and the second lifting member, it can drive the first end of the second lifting member to gradually approach the center of the arc after the variable arc component during the rotation process, so that the change in the included angle between the lifting force and the variable arc direction of the variable arc component during the variable arc process is effectively controlled, avoiding the situation that the included angle increases greatly in the later stage of variable arc, resulting in a decrease in the component force that drives the variable arc component to variable arc, thereby avoiding the problem of incomplete variable arc at the glass edge.

[0006] The technical solution adopted by the present invention to solve its problems is:

[0007] An arc-changing device includes an arc-changing component and a lifting component. The lifting component includes a lifting mechanism and a driving mechanism. The lifting mechanism includes a first lifting member and a second lifting member. The two ends of the second lifting member are respectively a first end and a second end. The first end is hinged to the first lifting member, and the second end is hinged to the end of the arc-changing component. The driving mechanism is used to drive the first lifting member to rotate, so that the first lifting member drives the first end to rotate, and the second end lifts the arc-changing component to perform arc-changing lifting.

[0008] Further, the arc-changing device includes a support. The upper end of the first lifting member is rotatably connected to the support, and the lower end of the first lifting member is connected to the first end.

[0009] Further, the lifting component includes two such lifting mechanisms, and the two lifting mechanisms are arranged oppositely. The driving mechanism is used to drive the first lifting members of the two lifting mechanisms to rotate towards or away from each other. The two first lifting members are used to drive the first ends of the second lifting members of the two lifting mechanisms to move closer to each other during the process of rotating towards each other, so that the second ends of the two second lifting members respectively lift the two ends of the arc-changing component to perform arc-changing.

[0010] Further, the arc-changing device includes two such lifting components, and the two lifting components are arranged on both sides of the arc-changing component along a first direction. The two lifting mechanisms in the same lifting component are arranged at the two ends of the arc-changing component along a second direction, and the second direction is perpendicular to the first direction.

[0011] Further, when the arc-changing component is in a flattened state, the center of the support, the first lifting member, the second lifting member and the end of the arc-changing component are located on the same straight line.

[0012] Further, the driving mechanism has a power output end, and the power output end is connected to the first lifting member. The power output end is used to drive the first lifting member to rotate around the support, so that the first end of the second lifting member lifts the arc-changing component when moving close to the central extension line of the arc-changing component.

[0013] Further, the first lifting member includes a rigid pull rod.

[0014] Further, the second lifting member includes a flexible pull rope.

[0015] Further, the arc-changing assembly includes a forming roller path and arc-changing members arranged on both sides of the forming roller path. The forming roller path includes a plurality of forming rollers, and the arc-changing members include a plurality of linkage plates. Two adjacent linkage plates are hinged together, and the forming rollers are rotatably connected to the linkage plates; the second end is connected to the linkage plate at the end, and the second end is used to lift the linkage plate so that two adjacent forming rollers rotate relative to each other to achieve arc-changing.

[0016] A bent tempered glass device includes a conveying roller path and the arc-changing device as described above. The conveying roller path is connected to the arc-changing assembly, and the conveying roller path is used to convey glass sheets.

[0017] In summary, a kind of arc-changing device and its bent tempered glass device provided by the present invention have the following technical effects:

[0018] 1) In the arc-changing device of the present invention, the first lifting member and the second lifting member are hinged, and the first lifting member is driven to rotate by a driving mechanism, so that the first end of the second lifting member gradually approaches the central extension line of the arc-changing assembly during the rotation process, so that the lifting direction of the second lifting member on the arc-changing assembly is basically perpendicular to the tangent line at the end of the arc-changing assembly. In this way, more of the pulling force F of the second lifting member is converted into the component force F1 that drives the arc-changing of the arc-changing assembly, and the pulling force of the second lifting member can act more effectively on the edge of the arc-changing assembly.

[0019] 2) Since in any position during the arc-changing process of the arc-changing device of the present invention, the lifting direction of the second lifting member on the arc-changing assembly is basically perpendicular to the tangent line at the end of the arc-changing assembly, the change in the angle γ between the lifting direction of the second lifting member on the arc-changing assembly and the arc-changing direction of the arc-changing assembly is reduced, so that more of the pulling force of the second lifting member is converted into the component force that drives the arc-changing of the arc-changing assembly, thus ensuring that the pulling force of the second lifting member can act more effectively on the edge of the arc-changing assembly to meet the lifting requirements in the later stage of small-radius arc-changing.

[0020] 3) The bent tempered glass device of the present invention realizes the continuity of the production of bent tempered glass through the coordinated work of the conveying roller path and the arc-changing device. The conveying roller path can quickly and stably convey the glass sheets to the arc-changing device. After the arc-changing device completes the arc-changing operation, the conveying roller path can timely convey the bent tempered glass out, greatly improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic structural diagram of an arc-changing device in the prior art at the initial stage of arc-changing;

[0022] Figure 2 It is a schematic structural diagram of an arc-changing device in the prior art at the later stage of arc-changing;

[0023] Figure 3 Schematic structural diagram of the arc-changing device in the initial stage of arc change according to an embodiment of the present invention;

[0024] Figure 4 Schematic structural diagram of the arc-changing device in the middle stage of arc change according to an embodiment of the present invention;

[0025] Figure 5 Schematic structural diagram of the arc-changing device in the later stage of arc change according to an embodiment of the present invention.

[0026] Among them, the meanings of the reference numerals are as follows:

[0027] 1, support; 2, first lifting member; 3, second lifting member; 31, first end; 32, second end; 4, arc-changing assembly; 5, driving mechanism; 6, central extension line; 7, frame. Detailed implementation manners

[0028] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention.

[0031] Embodiment 1

[0032] Refer to Figures 3 to 5 , the present invention discloses an arc-changing device, which includes an arc-changing assembly 4 and a lifting assembly; specifically, the lifting assembly includes a lifting mechanism and a driving mechanism 5, the lifting mechanism includes a first lifting member 2 and a second lifting member 3, refer to Figure 3 , the two ends of the second lifting member 3 are respectively a first end 31 and a second end 32, and the first end 31 is hinged to the first lifting member 2, and the second end 32 is hinged to the end of the arc-changing assembly 4. Among them, the driving mechanism 5 is used to drive the first lifting member 2 to rotate, so that the first lifting member 2 drives the first end 31 to rotate, and the second end 32 lifts the arc-changing assembly 4 for lifting and arc-changing.

[0033] Based on this structure, when using the arc-changing device of the present invention, the glass to be processed can be first placed on the arc-changing assembly 4, and the glass to be processed is in close contact with the arc-changing assembly 4. After the glass is heated to the softening state, the driving mechanism 5 is started, and the driving mechanism 5 starts to work. Its output power drives the first lifting member 2 to rotate, and the first lifting member 2 drives the first end 31 of the second lifting member 3 hinged thereto to rotate.

[0034] Among them, with the rotation of the first end 31, the second end 32 of the second lifting member 3 starts to lift the arc-changing assembly 4, causing the arc-changing assembly 4 to gradually deform. The arc-changing assembly 4 can transmit the deformation acting force generated by the tensile force it receives to the softened glass in close contact with it, enabling the glass to bend together with the arc-changing assembly 4.

[0035] When the arc-changing assembly 4 is deformed to the required radian and the softened glass is successfully bent into an arc shape that meets the production requirements, the glass will be cooled and tempered while maintaining the arc shape, and finally a bent tempered glass with a specific radian and strength will be formed. After that, the driving mechanism 5 acts in the reverse direction, causing the first lifting member 2 to rotate in the reverse direction, and the second lifting member 3 to relax the lifting of the arc-changing assembly 4. The arc-changing assembly 4 returns to the initial state, ready for the next arc-changing operation.

[0036] It should be noted that during the entire arc-changing process, the driving mechanism 5 can control the rotation angle of the first lifting member 2, thereby controlling the lifting force and arc-changing degree of the second lifting member 3 on the arc-changing assembly 4. For example, when the driving mechanism 5 is not started, the first lifting member 2 and the second lifting member 3 are naturally hanging down, forming an initial angle with the end of the arc-changing assembly 4. Refer to Figure 3 , in the initial stage of arc-changing, the driving mechanism 5 can control the first lifting member 2 to rotate slowly by a small angle. At this time, the angle between the lifting direction of the second lifting member 3 on the arc-changing assembly 4 and the arc-changing direction of the arc-changing assembly 4 is small, and the arc-changing direction of the arc-changing assembly 4 is roughly the same as the lifting direction of the second lifting member 3 on the arc-changing assembly 4. More of the lifting force is converted into the component force driving the arc-changing assembly 4 to change the arc, and the arc-changing assembly 4 can smoothly change the arc.

[0037] In the middle stage of arc-changing, refer to Figure 4 , as the first lifting member 2 rotates, it also drives the first end 31 of the second lifting member 3 to gradually approach the central extension line 6 of the arc-changing assembly 4 during the rotation process. And since the second end 32 of the second lifting member 3 is hinged to the arc-changing assembly 4, the second lifting member 3 can rotate under the drive of the first lifting member 2. At this time, the angle between the lifting direction of the second lifting member 3 on the arc-changing assembly 4 and the arc-changing direction of the arc-changing assembly 4 is still small, and more of the lifting force is converted into the component force driving the arc-changing assembly 4 to change the arc, and the arc-changing assembly 4 can continue to change the arc.

[0038] In the later stage of arc-changing, refer to Figure 5, the driving mechanism 5 drives the first lifting member 2 to increase the rotation angle, thereby driving the first end 31 of the second lifting member 3 to gradually approach the center of the arc after the arc transformation of the arc transformation assembly 4 during the rotation process. At this time, the lifting direction of the second lifting member 3 on the arc transformation assembly 4 is basically perpendicular to the tangent line at the end of the arc transformation assembly 4. That is, the included angle γ between the lifting direction of the second lifting member 3 on the arc transformation assembly 4 and the arc transformation direction of the arc transformation assembly 4 is still small. At this time, the lifting force F of the second lifting member 3 is still mostly converted into the component force F1 that drives the arc transformation of the arc transformation assembly 4. In this way, the pulling force of the second lifting member 3 can act more effectively on the edge of the arc transformation assembly 4.

[0039] That is, during the process of the lifting assembly of the present application lifting the arc transformation assembly 4, the rotation of the first lifting member 2 drives the first end 31 of the second lifting member 3 to gradually approach the center of the arc after the arc transformation of the arc transformation assembly 4 during the rotation process, so that at any position, the lifting direction of the second lifting member 3 on the arc transformation assembly 4 is basically perpendicular to the tangent line at the end of the arc transformation assembly 4, effectively controlling the change of the included angle γ between the lifting direction of the second lifting member 3 on the arc transformation assembly 4 and the arc transformation direction of the arc transformation assembly 4, making the lifting force of the second lifting member 3 more converted into the component force that drives the arc transformation of the arc transformation assembly 4, thereby ensuring that the pulling force of the second lifting member 3 can act more effectively on the edge of the arc transformation assembly 4 to meet the lifting requirements in the later stage of small-radius arc transformation.

[0040] Therefore, in the present application, by hinging the first lifting member 2 and the second lifting member 3, during the arc transformation process, the effective component force for arc transformation at the edge is increased. Compared with the traditional arc transformation device, during the entire arc transformation process, the change of the included angle γ between the pulling force and the arc transformation direction of the arc transformation assembly 4 is effectively controlled, and there will be no situation where the included angle increases significantly in the later stage of arc transformation like the traditional device, resulting in a decrease in the component force that drives the arc transformation of the arc transformation assembly 4. This ensures that the effective component force for the arc transformation of the arc transformation assembly 4 converted from the pulling force can be maintained at a relatively high level throughout the process, thereby effectively solving the problem that the arc transformation of the glass edge is not in place due to the change of the component force of the pulling force.

[0041] In addition, the lifting mechanism can be connected to one end of the arc transformation assembly 4, and the other opposite end of the arc transformation assembly 4 can be connected to a conventional winding chain or a winding wire rope. Four groups of lifting mechanisms can also be connected to the two ends of the arc transformation assembly 4 along the length direction and the two ends along the width direction to achieve arc transformation of the arc transformation assembly 4 along the length direction and / or the width direction.

[0042] Furthermore, the arc transformation device includes a support 1. Among them, the upper end of the first lifting member 2 is rotatably connected to the support 1, and the lower end of the first lifting member 2 is connected to the first end 31.

[0043] Based on this structure, during assembly, the support 1 can be installed on the frame 7 of the bent toughening equipment to provide stable support for the entire lifting assembly. Then, the upper end of the first lifting member 2 is rotatably connected to the support 1, and its lower end is connected to the first end 31 of the second lifting member 3. The second end 32 of the second lifting member 3 is connected to the end of the arc-changing assembly 4.

[0044] When the glass is heated to a softened state, the driving mechanism 5 is started. The driving mechanism 5 outputs power to the first lifting member 2 connected to the support 1. Since the upper end of the first lifting member 2 is rotatably connected to the support 1, under the action of the driving force, the first lifting member 2 starts to rotate around the connection point with the support 1. Also, because the lower end of the first lifting member 2 is connected to the first end 31 of the second lifting member 3, the rotation of the first lifting member 2 drives the first end 31 of the second lifting member 3 to rotate synchronously, and during the rotation, the first end 31 gradually approaches the center of the circle after the arc change of the arc-changing assembly 4.

[0045] Thus, by driving the first lifting member 2 to rotate around the connection point with the support 1 and driving the second lifting member 3 to lift the arc-changing assembly 4 along the direction gradually approaching the center of the circle of the arc-changing assembly 4, the end of the arc-changing assembly 4 can be effectively arc-changed.

[0046] Furthermore, the lifting assembly includes two lifting mechanisms, and the two lifting mechanisms are arranged oppositely. Among them, the driving mechanism 5 is used to drive the first lifting members 2 of the two lifting mechanisms to rotate towards or away from each other, and the two first lifting members 2 are used to drive the first ends 31 of the second lifting members 3 of the two lifting mechanisms to move closer to each other during the rotation towards each other, so that the second ends 32 of the two second lifting members 3 respectively lift the two ends of the arc-changing assembly 4 for arc-changing.

[0047] Based on this structure, during assembly, first, one end of the first lifting member 2 of the two lifting mechanisms is hinged to the support 1, then the other ends of the first lifting members 2 of the two lifting mechanisms are hinged to the first ends 31 of the second lifting members 3 of the two lifting mechanisms, and the second ends 32 of the second lifting members 3 of the two lifting mechanisms are connected to the opposite ends of the arc-changing assembly 4.

[0048] Then the driving mechanism 5 is started. The driving mechanism 5 transmits power to the two oppositely arranged first lifting members 2 respectively. Since the upper ends of the first lifting members 2 are rotatably connected to the support 1, under the action of the driving force, the two first lifting members 2 start to rotate around the connection points with the support 1, and the rotation direction is towards each other. Also, because the lower ends of the first lifting members 2 are connected to the first ends 31 of the second lifting members 3, the rotation of the two first lifting members 2 drives the first ends 31 of their respective second lifting members 3 to move closer to each other synchronously, and during the rotation, the first ends 31 gradually approach the center of the circle of the arc-changing assembly 4.

[0049] As the two first lifting members 2 continuously rotate closer to each other around the connection points with the support 1, the first ends 31 of the two second lifting members 3 gradually approach the center of the arc-changing assembly 4 along an arc trajectory, and the second ends 32 of the two second lifting members 3 begin to lift the two end portions of the arc-changing assembly 4 respectively.

[0050] When the arc-changing assembly 4 is deformed to the required radian and the glass in a softened state is successfully bent into an arc that meets the requirements, the glass is cooled and tempered while maintaining the arc state, and finally a bent tempered glass with a specific radian and strength is formed.

[0051] Among them, the support 1 provides a stable rotation support point for the first lifting member 2. The first lifting member 2 rotates closer to each other around the connection points with the support 1, driving the second lifting member 3 to make the first end 31 approach the center of the arc-changing assembly 4, so that the second lifting member 3 is substantially perpendicular to the tangent of the end portion of the arc-changing assembly 4 when lifting. This can make the pulling force of the second lifting member 3 act more effectively on the edge of the arc-changing assembly 4, greatly increasing the effective component force of the edge arc change, thus solving the problem that the edge of the arc-changing assembly 4 in the existing arc-lifting mechanism is not bent in place, and ensuring that the edge of the glass can be perfectly formed.

[0052] In addition, the two lifting mechanisms act on both ends of the arc-changing assembly 4 at the same time, ensuring the consistency and symmetry of the arc change at both ends. Among them, the two lifting mechanisms are respectively driven by two sets of driving mechanisms 5. At this time, the driving mechanism 5 can be a driving structure such as a motor, a hydraulic cylinder or a pneumatic cylinder. In addition, the two lifting mechanisms can also be driven by a set of driving mechanisms 5. At this time, the driving mechanism 5 can be a double-output shaft motor in the prior art, which makes the two first lifting members 2 move closer to or away from each other synchronously through two output shafts with opposite rotation directions. The driving mechanism 5 can also be a lead screw-nut pair mechanism in the prior art. By arranging two nuts with opposite thread directions on a lead screw, each nut is connected to a first lifting member 2. When the motor drives the lead screw to rotate, the two nuts will move in opposite directions along the axial direction of the lead screw, thereby driving the two first lifting members 2 to move closer to or away from each other.

[0053] Furthermore, the arc-changing device includes two supports 1, and the two supports 1 are symmetrically arranged on both sides of the central extension line 6 of the arc-changing assembly 4.

[0054] Among them, the two supports 1 are symmetrically arranged on both sides of the central extension line 6 of the arc-changing assembly 4. During the arc-changing process, when the first lifting members 2 of the two lifting mechanisms rotate around the connection points with the supports 1 and drive the second lifting members 3 to lift the arc-changing assembly 4, the supports 1 can bear the forces, torques and other acting forces from the lifting mechanisms and the arc-changing assembly 4.

[0055] In this way, the symmetric structure enables these acting forces to be evenly distributed to the frame 7, avoiding device shaking, displacement or even damage caused by uneven stress. At the same time, since the two supports 1 are symmetrically distributed and the two lifting mechanisms are respectively connected to the symmetric supports 1, when the arc-changing component 4 is lifted to change the arc, both ends can be subjected to uniform and symmetric pulling forces.

[0056] Furthermore, the arc-changing device includes two lifting components, and the two lifting components are arranged on both sides of the arc-changing component 4 along the first direction; at the same time, the two lifting mechanisms in the same lifting component are arranged at both ends of the arc-changing component 4 along the second direction. Wherein, the second direction is perpendicular to the first direction.

[0057] Wherein, the second direction is the conveying direction of the glass, and the first direction is perpendicular to the second direction.

[0058] In this way, when the two lifting mechanisms are arranged at both ends of the arc-changing component 4 along the second direction and lift both ends of the arc-changing component 4, the glass can be bent and formed on one side in the conveying direction; when the two lifting components are arranged on both sides of the arc-changing component 4 along the first direction and lift both sides of the arc-changing component 4, the glass can be bent and formed on both sides in the conveying direction.

[0059] Furthermore, the driving mechanism 5 has a power output end, and the power output end is connected to the first lifting member 2. Wherein, the power output end is used to drive the first lifting member 2 to rotate around the support 1, so that the first end 31 of the second lifting member 3 lifts the arc-changing component 4 when moving close to the central extension line 6 of the arc-changing component 4.

[0060] Specifically, the power output end of the driving mechanism 5 can be connected to one end of the first lifting member 2 close to the support 1, or it can also be connected to one end of the first lifting member 2 close to the second lifting member 3. Wherein, when the power output end is connected to one end of the first lifting member 2 close to the support 1, since the connection point is close to the support 1, the power output end can control the low-speed rotation of the first lifting member 2 with a relatively small power change. When producing large-radius bent tempered glass, the requirement for the arc-changing speed is relatively slow and stable. This connection method can better realize the fine adjustment of the rotation speed of the first lifting member 2, ensure that the second lifting member 3 stably lifts the arc-changing component 4, and ensure the uniformity and stability of the arc-changing process.

[0061] When the power output end is connected to one end of the first lifting member 2 close to the second lifting member 3, due to the long force arm of the connection point far from the support 1, when the driving mechanism 5 outputs the same power change, a large angular change of the first lifting member 2 can be generated, which is suitable for producing small-radius bent tempered glass.

[0062] Furthermore, the first lifting member 2 includes a rigid pull rod.

[0063] Therefore, the rigid pull rod has high strength and stiffness. During the process of arc variation, when the power output end of the driving mechanism 5 drives the first lifting member 2 to rotate around the support 1, the rigid pull rod can stably transmit the driving force to the second lifting member 3. Compared with other flexible or low-strength materials, when the rigid pull rod bears tensile force and torque, its own deformation is extremely small, ensuring the force transmission efficiency and stability.

[0064] Furthermore, the second lifting member 3 includes a flexible cable.

[0065] Specifically, the flexible cable can be a steel wire rope, a fiber rope, etc.

[0066] Due to the certain flexibility of the flexible cable, it can relatively flexibly adapt to complex motion trajectories under the drive of the first lifting member 2. When the first lifting member 2 rotates around the support 1 and drives the first end 31 of the second lifting member 3 to move along the central extension line 6 close to the arc variation assembly 4, the flexible cable can bend freely and will not be blocked or have a rotation dead point due to the change of the motion direction. Compared with rigid connectors, the flexible cable can better adapt to the rotation of the first lifting member 2 and the position change of the first end 31, ensuring that during the entire arc variation process, the arc variation assembly 4 can be stably lifted, guaranteeing the smooth progress of the arc variation operation.

[0067] In addition, the first lifting member 2 and the second lifting member 3 are connected by a combination of a rigid pull rod and a flexible cable. The rigid pull rod can stably transmit the power of the driving mechanism 5 to the flexible cable, and the flexibility of the flexible cable enables it to flexibly adapt to complex motion trajectories under the drive of the rigid pull rod, and as its position changes, it can change the direction of the lifting force on the arc variation assembly 4, effectively controlling the angle between the lifting force and the arc variation direction of the arc variation assembly 4 within a small range.

[0068] Furthermore, the arc variation assembly 4 includes a forming roller path and arc variation members arranged on both sides of the forming roller path. Specifically, the forming roller path includes several forming rollers, the arc variation members include several linkage plates, and two adjacent linkage plates are hinged and matched, and the forming rollers and the linkage plates are rotatably connected. Among them, the second end 32 is connected to the linkage plate at the end, and the second end 32 is used to lift the linkage plate so that two adjacent forming rollers rotate relative to each other to achieve arc variation.

[0069] On the basis of this structure, when the arc variation device works, the driving mechanism 5 is started, and its power output end drives the first lifting member 2 to rotate around the support 1. Since the lower end of the first lifting member 2 is hinged to the first end 31 of the second lifting member 3, when the first lifting member 2 rotates, it will drive the first end 31 of the second lifting member 3 to move.

[0070] When the first lifting member 2 rotates towards the direction close to the central extension line 6 of the arc-changing assembly 4, the first end 31 of the second lifting member 3 follows and approaches the central extension line 6. At this time, the second end 32 of the second lifting member 3 starts to lift the linkage plate located at the end.

[0071] When the linkage plate at the end is lifted upward by the second end 32, another linkage plate hinged to it will also receive an upward pulling force, and the pulling force will be transmitted from the linkage plate at the end to the linkage plate in the middle, driving each linkage plate to rotate. Since the forming rollers are rotatably connected to the linkage plates, under the action of the pulling force, every two adjacent forming rollers will rotate relative to each other, thereby changing the arc of the entire forming roller path.

[0072] Among them, one linkage plate can cooperate with one or more forming rollers; when the linkage plates are in one-to-one cooperation with the forming rollers, after the linkage plates rotate, they will be at different heights, thereby driving different forming rollers to be at different heights, making the entire forming roller path present an arc. When the linkage plate cooperates with multiple forming rollers, after the linkage plate rotates, it will also drive the multiple forming rollers cooperating with it to be at different heights, and the forming rollers driven by different linkage plates are also at different heights, thereby making the entire forming roller path present an arc.

[0073] Thus, through the hinge between the linkage plates and the rotational connection of several forming roller paths and the linkage plates, it is ensured that the forming rollers can move coordinately during the arc-changing process, making the arc-changing more stable and accurate.

[0074] Embodiment 2

[0075] Different from Embodiment 1, this embodiment discloses a bending and toughening device, which includes a conveying roller path and the arc-changing device in Embodiment 1. Among them, the conveying roller path is connected to the arc-changing assembly 4, and the conveying roller path is used to convey glass sheets.

[0076] On this structural basis, when using the bending and toughening device of this embodiment, the conveying roller path and the arc-changing device are both installed on the frame 7. During use, first start the conveying roller path, and the motor drives the rollers on the roller path to rotate, driving the glass sheet to move forward along the conveying direction. The glass sheet moves smoothly on the roller path and gradually approaches the arc-changing device. When the front end of the glass sheet reaches the connection between the conveying roller path and the arc-changing assembly 4, the conveying roller path continues to push the glass sheet, enabling it to smoothly transition to the arc-changing assembly 4.

[0077] Then start the arc-changing device, lift the end of the arc-changing assembly 4 through the lifting assembly to change the arc, and at the same time drive the glass sheet to bend synchronously. The bent and formed glass sheet is conveyed to the next processing position by the conveying roller path at the other end along the conveying direction.

[0078] Thus, the coordinated operation of the conveying roller table and the arc-changing device realizes the continuity of the glass bending and tempering production. The conveying roller table can quickly and stably convey the glass sheet to the arc-changing device. After the arc-changing device completes the arc-changing operation, the conveying roller table can timely convey the bent and tempered glass out, greatly improving the production efficiency.

[0079] The technical means disclosed in the solution of the present invention are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also regarded as the protection scope of the present invention.

Claims

1. An arc changing device, characterized in that: It includes an arc changing component and a lifting component, the lifting component includes a lifting mechanism and a driving mechanism, the lifting mechanism includes a first lifting member and a second lifting member, the two ends of the second lifting member are respectively a first end and a second end, the first end is hinged to the first lifting member, and the second end is hinged to the end of the arc changing component; the driving mechanism is used to drive the first lifting member to rotate, so that the first lifting member drives the first end to rotate, and the second end lifts the arc changing component to lift and change the arc.

2. The arc changing device according to claim 1, characterized in that: The arc changing device comprises a support, the upper end of the first lifting member is rotatably connected to the support, and the lower end of the first lifting member is connected to the first end.

3. The arc changing device according to claim 2, characterized in that: The lifting assembly includes two lifting mechanisms, which are arranged opposite to each other; the driving mechanism is used to drive the first lifting members of the two lifting mechanisms to rotate towards or away from each other, and the two first lifting members are used to drive the first ends of the second lifting members of the two lifting mechanisms to move towards each other during the process of rotating towards each other, so that the second ends of the two second lifting members respectively lift the two ends of the arc changing assembly to change the arc.

4. The arc changing device according to claim 3, characterized in that: The arc changing device comprises two supports, and the two supports are symmetrically arranged on both sides of the central extension line of the arc changing assembly.

5. The arc changing device according to claim 4, characterized in that: The arc-changing device includes two lifting assemblies, which are arranged on both sides of the arc-changing assembly along a first direction; the two lifting mechanisms in the same lifting assembly are arranged at both ends of the arc-changing assembly along a second direction, and the second direction is perpendicular to the first direction.

6. The arc changing device according to claim 2, characterized in that: The driving mechanism has a power output end, which is connected to the first lifting member. The power output end is used to drive the first lifting member to rotate around the support so that the first end of the second lifting member lifts the arc changing assembly when it moves close to the center extension line of the arc changing assembly.

7. The arc-changing device according to any one of claims 1 to 6, characterized in that: The first lifting member includes a rigid pull rod.

8. The arc changing device according to claim 7, characterized in that: The second lifting member includes a flexible draw cord.

9. The arc-changing device according to any one of claims 1 to 6, characterized in that: The arc-changing assembly includes a forming roller and arc-changing parts arranged on both sides of the forming roller, the forming roller includes a plurality of forming rollers, the arc-changing parts include a plurality of linkage plates, two adjacent linkage plates are hingedly matched, and the forming roller is rotatably connected to the linkage plate; the second end is connected to the linkage plate located at the end, and the second end is used to lift the linkage plate so that the two adjacent forming rollers can rotate relative to each other to achieve arc changing.

10. A bending tempering equipment, characterized by: It comprises a conveying roller and the arc changing device as described in any one of claims 1 to 9, wherein the conveying roller is connected to the arc changing assembly, and the conveying roller is used for conveying glass plates.

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