A multifunctional glass forming apparatus

Abstract

The utility model provides a multifunctional glass forming equipment, including two lower arc mechanism and a plurality of roll way, a plurality of roll way fit forming roll way surface, lower arc mechanism includes chain plate unit and connecting rod limiting mechanism, connecting rod limiting mechanism includes fixed connecting rod axle, lift limiting piece and connecting rod, there are a plurality of adjustable variable arc stroke in connecting rod limiting mechanism, and each lift limiting piece corresponds an adjustable variable arc stroke, forming roll way surface includes effective arc region and both sides non-effective arc region, lower arc mechanism includes middle part arc mechanism and side part arc mechanism, and side part arc mechanism is adjustable variable arc mechanism, at least three adjustable variable arc strokes in adjustable variable arc mechanism are the independent adjustable variable arc stroke of adjustment through independent drive spare, and the adjustment of effective arc region arc length size in forming roll way surface is realized through the adjustment of a plurality of independent adjustable variable arc stroke, the utility model discloses a set of equipment gives consideration to the demand of big radius glass and small radius glass forming, reduces the cost of user.

Description

Technical Field

[0001] This utility model belongs to the field of glass bending and forming technology, and specifically relates to a multifunctional glass forming equipment. Background Technology

[0002] Existing mainstream glass bending and forming equipment is mainly used for the preparation of curved glass with equal radius. When the length of the arc-changing mechanism remains unchanged, the arc-changing mechanism has a maximum central angle and a minimum radius after the maximum lifting and arc-changing. In practice, the central angle after the arc-changing mechanism is generally no more than 150 degrees. If the central angle exceeds 150 degrees, two difficulties will be encountered. One difficulty is the limitation of the arc-changing mechanism structure. The other difficulty is that the excessively large central angle will cause the center of gravity of the arc-changing mechanism to shift. Especially when it exceeds 180 degrees, the two ends of the arc-changing mechanism will buckle inward after being lifted into place. This will cause the arc-changing mechanism to be unable to flatten after the glass is formed, thus making it impossible to produce glass sheets or to perform subsequent glass bending. This is a major problem that seriously affects the continuity of glass bending.

[0003] When the central angle of the curved glass after the arc-changing mechanism does not exceed 150 degrees, the range of bending radii is relatively limited. The maximum and minimum bending radius are also limited. The larger the length of the arc-changing mechanism, the larger the minimum bending radius. It is not possible to bend large-radius, long-arc glass and small-radius glass on the same bending machine; typically, two machines must be purchased to solve this problem. To reduce customer procurement costs, a glass bending and forming machine capable of forming both large-radius and small-radius glass needs to be developed. Utility Model Content

[0004] The purpose of this invention is to provide a multifunctional glass forming equipment that can flexibly adjust the arc length of the effective arc forming area in the arc-changing mechanism according to the arc length and radius of the target glass, thereby meeting the needs of forming both large-radius and small-radius glass with one set of equipment and reducing user costs.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a multifunctional glass forming equipment, comprising two lower arc-changing mechanisms and multiple roller tracks, wherein the lower arc-changing mechanisms drive the multiple roller tracks to fit the forming roller track surface for glass bending forming; the lower arc-changing mechanism comprises chain plate units and connecting rod limiting mechanisms, wherein there are multiple chain plate units connected sequentially and alternately by pins, and the connecting rod limiting mechanism comprises fixed connecting rod shafts, lifting limiting components and connecting rods, wherein there are multiple fixed connecting rod shafts, lifting limiting components and connecting rods, and multiple fixed connecting rod shafts are arranged in different chain plate units, and multiple lifting limiting components are arranged in different chain plate units; the connecting rod limiting mechanism has multiple adjustable arc-changing strokes, and each lifting limiting component corresponds to one adjustable arc-changing stroke, wherein the size of the corresponding adjustable arc-changing stroke is adjusted by raising and lowering the lifting limiting component; The forming roller surface includes an effective arc-forming area for bending glass into an arc and non-effective arc-forming areas located on both sides of the effective arc-forming area; the lower arc-changing mechanism includes a central arc-changing mechanism and side arc-changing mechanisms on both sides, the side arc-changing mechanisms being adjustable arc-changing mechanisms; the lifting limit component in the adjustable arc-changing mechanism is a lifting connecting rod shaft, the lifting connecting rod shaft is mounted on a lead screw, the two ends of the connecting rod are respectively connected to a fixed connecting rod shaft and a lifting connecting rod shaft, and at least one end of the connecting rod is a slot, the space between the slot and the fixed connecting rod shaft and / or the lifting connecting rod shaft is the adjustable arc-changing stroke; the adjustable arc-changing mechanism has at least two independent adjustable arc-changing strokes that are adjusted by independent driving components, the independent driving components adjusting the position of the lifting connecting rod shaft on the connected lead screw one-to-one; The effective arc length of the forming roller surface can be adjusted by adjusting multiple independent adjustable arc strokes in the adjustable arc mechanism.

[0006] Its beneficial effects are as follows: This forming equipment has independently adjustable arc-changing strokes on both sides of the lower arc-changing mechanism. The position of the lifting connecting rod shaft is adjusted by driving the lead screw through an independent drive component, thereby adjusting the size of the independently adjustable arc-changing stroke between the corresponding connecting rod's slot and the lifting connecting rod shaft. When forming glass with small arc length and small radius, the adjustment of multiple independently adjustable arc-changing strokes through the adjustable arc-changing mechanism allows for flexible matching of the non-effective arc-forming area and the effective arc-forming area for the target glass forming on the forming roller surface, according to the arc length and radius of the target curved glass. This reduces the actual area used for glass bending and forming. The arc length of the effective arc-forming region, ultimately forming a uniform arc shape, differs from the central effective arc-forming region due to the non-effective arc-forming regions on both sides. This allows the central part of the forming roller surface to form an effective forming surface with a smaller radius uniform arc shape. By setting at least two independently adjustable arc-forming strokes in the adjustable arc-forming mechanism, this equipment can form more than three effective arc-forming regions with different arc lengths. Combined with different degrees of lifting at both ends of the lower arc-forming mechanism, this allows for the formation of effective forming surfaces with different arc lengths and radii for glass forming in the central part of the forming roller surface. This results in more flexible adjustments and a wider variety of target curved glass surfaces. Furthermore, the arc-forming mechanism can also participate entirely in the uniform radius arc-forming process, accommodating the forming of large-radius glass.

[0007] Furthermore, when the lower arc-forming mechanism is in a flattened state, the adjustable arc-forming stroke corresponding to the non-effective arc-forming area is less than the adjustable arc-forming stroke corresponding to the effective arc-forming area.

[0008] Its beneficial effects are: the adjustable arc travel in the non-effective arc region is less than that in the effective arc region. After the lower arc mechanism lifts and forms an arc, the non-effective arc region and the effective arc region can form different shapes. The effective arc region forms an effective forming surface with equal arcs, while the non-effective arc region forms a different shape from the effective forming region. In this case, the lifting arc mechanism can make the effective arc region form a smaller radius.

[0009] Furthermore, the adjustable arc travel corresponding to the non-effective arc region is 0.

[0010] Its beneficial effect is that this is a limit state. After the lower arc mechanism is lifted into an arc, the non-effective arc area forms a straight line. In this state, after lifting and changing the arc at both ends of the arc mechanism, the effective forming surface radius is smaller.

[0011] Furthermore, the lifting limit component of the central arc-changing mechanism is a lifting connecting rod shaft. The two ends of the connecting rod are respectively connected to the fixed connecting rod shaft and the lifting connecting rod shaft. The lifting connecting rod shaft is mounted on the lead screw. At least one end of the connecting rod is a slot. The space between the slot and the fixed connecting rod shaft and / or the lifting connecting rod shaft is the adjustable arc-changing stroke. The position of the lifting connecting rod shaft is adjusted by adjusting the lead screw, thereby adjusting the size of the corresponding adjustable arc-changing stroke. The multiple lead screws in the central arc-changing mechanism are driven by multiple driving components respectively, or all the lead screws in the central arc-changing mechanism are driven by one arc-adjusting motor.

[0012] Its beneficial effects are: it structurally limits the middle arc-changing mechanism of the lower arc-changing mechanism, adopting the same structural setting as the side arc-changing mechanism, and further limits the adjustment method of the adjustable arc-changing stroke: when the same arc-changing motor is used to centrally adjust the adjustable arc-changing stroke, the adjustment is convenient, and the middle arc-changing mechanism can be used as the minimum constant effective arc-forming area, allowing the entire forming equipment to take into account both forming speed and forming capacity, and to balance the forming capacity of the maximum arc length and minimum radius and the minimum arc length and minimum radius; when multiple driving components are used to drive separately, the effect of centralized driving can also be achieved through the synchronous adjustment of multiple driving components.

[0013] Furthermore, the connecting rod limiting mechanism of the central arc-changing mechanism also includes multiple lifting sliders. The lifting sliders slide up and down along the optical axis section of the guide rod. At least one end of the connecting rod is a round hole, and both ends of the connecting rod are respectively connected to the fixed connecting rod shaft and the lifting slider. The lifting limiting component is a threaded retaining ring. The threaded retaining ring and the lifting slider are arranged in a one-to-one correspondence. The threaded retaining ring is set on the threaded section of the guide rod. The adjustable arc-changing stroke is the space between the lifting slider and the threaded retaining ring. The size of the corresponding adjustable arc-changing stroke is adjusted by adjusting the position of the threaded retaining ring.

[0014] Alternatively, the connecting rod limiting mechanism of the central arc-changing mechanism may further include multiple lifting sliders. The lifting sliders are slidably arranged up and down along the spline portion of the outer spline retaining ring. The outer spline retaining ring is sleeved on the lead screw. At least one end of the connecting rod is a round hole, and both ends of the connecting rod are respectively connected to the fixed connecting rod shaft and the lifting slider. The lifting limiting component is a retaining ring portion provided on the outer spline retaining ring. The adjustable arc-changing stroke is the space between the lifting slider and the retaining ring portion. The size of the corresponding adjustable arc-changing stroke is adjusted by adjusting the position of the outer spline retaining ring.

[0015] Its beneficial effects are: it provides the structure of two other linkage limit mechanisms for the central arc-changing mechanism, which are reliable and easy to adjust.

[0016] Furthermore, the adjustable arc stroke in the central arc-changing mechanism is an independently adjustable arc stroke, and the position adjustment of the threaded retaining ring or external spline retaining ring corresponding to the independently adjustable arc stroke is completed by an independent drive component; or the adjustment of all adjustable arc strokes in the central arc-changing mechanism is completed by a single arc-changing motor.

[0017] Its beneficial effects are: it provides multiple adjustment methods, making it easy for implementers to choose according to actual conditions. When the same arc-adjusting motor is used to centrally adjust the adjustable arc stroke, the adjustment is convenient, and the central arc-adjusting mechanism can be used as the minimum constant effective arc-forming area, allowing the entire forming equipment to take into account both forming speed and forming capacity, and to balance the forming capacity of the maximum arc length and minimum radius and the minimum arc length and minimum radius; when multiple driving components are used to drive separately, the same effect of centralized driving can be achieved through the synchronous adjustment of multiple driving components.

[0018] Furthermore, the fixed connecting rod shaft and the lifting limit component are alternately arranged on different chain plate units; or, the fixed connecting rod shaft and the lifting limit component are arranged simultaneously on the same chain plate unit.

[0019] Its beneficial effects are: when the fixed connecting rod shaft and the lifting limit component are in different chain plate units, the connecting rods are arranged in a W-shape after connection. This structural arrangement is simple, and the lower arc mechanism is easy and quick to adjust; when the fixed connecting rod shaft and the lifting limit component are in the same chain plate unit, the connecting rods are arranged in a unidirectional manner after connection. Each chain plate unit has an adjustable arc stroke, more adjustable nodes, and more precise arc control adjustment.

[0020] Furthermore, in the central arc-changing mechanism, the linkage limiting mechanism also includes a driven linkage shaft and a fixed shaft. The lifting limiting component and the fixed shaft, as well as the driven linkage shaft and the fixed linkage shaft, are respectively arranged in groups and alternately on different chain plate units. The driven linkage shaft and the fixed shaft are connected by a linkage.

[0021] Its beneficial effects are: the adjacent chain plate units of the central arc-changing mechanism can form a double-link cross arrangement, and the arc-changing mechanism presents synchronous arc changing and smoother arc changing process during the process of changing from straight to the target arc, resulting in higher glass forming precision. It is especially suitable for large glass sheets and large equipment, and can realize glass bending as quickly as possible before the glass temperature drops, reducing the impact of temperature drop on glass forming.

[0022] Furthermore, at least 5 of the chain plate units corresponding to the effective arc-forming region are toothed chain plates.

[0023] Its beneficial effects are: the toothed chain plate setting allows the arc-changing mechanism in the corresponding area to maintain a more precise equal radius arc during the arc-forming process, resulting in better process accuracy, better final forming accuracy, and forming the smallest constant arc-forming area, thus balancing forming speed, forming capacity, and forming accuracy.

[0024] Furthermore, the chain plate unit includes one chain plate or two chain plates; when the chain plate unit includes one chain plate, the link limiting mechanism is located on the outside or lower part of the chain plate unit; when the chain plate unit includes two chain plates, the link limiting mechanism is located between the two chain plates.

[0025] Its beneficial effect is that it meets the requirements for roller conveyor installation in different application scenarios.

[0026] Furthermore, the roller conveyor is a rigid shaft roller conveyor, and the two ends of multiple rigid shaft roller conveyors are respectively connected to the lower arc-changing mechanism on the same side. The multiple rigid shaft roller conveyors are driven by lifting the lower arc-changing mechanism to fit the forming roller conveyor surface.

[0027] Its beneficial effect is that the forming equipment can be used in glass rigid axis bending equipment.

[0028] Furthermore, the roller conveyor is a flexible shaft roller conveyor, and multiple support tubes are arranged between the two lower arc-changing mechanisms. Flexible shaft roller conveyors and elastic elements for supporting the flexible shaft roller conveyors are arranged in parallel on the support tubes. Multiple lifting mechanisms are connected to the elastic elements. By lifting the lower arc-changing mechanisms and controlling the actions of the multiple lifting mechanisms, the multiple flexible shaft roller conveyors are driven to fit the forming roller conveyor surface.

[0029] Its beneficial effects are: the forming equipment can be used in glass flexible shaft bending equipment and for glass hyperboloid bending forming.

[0030] Furthermore, the roller conveyor is a flexible shaft roller conveyor, and multiple support tubes are arranged between the two lower arc-changing mechanisms. The multiple flexible shaft roller conveyors are arranged perpendicular to the support tubes. The multiple flexible shaft roller conveyors are driven by the lower arc-changing mechanism to fit the forming roller conveyor surface.

[0031] Its beneficial effects are: the forming equipment can be used in the flexible shaft bending equipment of glass, and for the single-curved surface bending forming of glass.

[0032] The beneficial effects of this utility model include: by adjusting the adjustable arc stroke size on the central arc-changing mechanism and the side arc-changing mechanism, the arc length of the effective arc-forming area and the ineffective arc-forming area after arc formation can be adjusted to offset each other, thereby simultaneously meeting the needs of forming large-radius and small-radius glass on one forming machine.

[0033] Based on its basic design concept, this utility model allows for structural adjustments to be made according to different scenarios, thereby enabling glass bending and forming in the following scenarios: (1) single-curved surface bending, with the glass bending direction parallel to the conveying direction; (2) single-curved surface bending, with the glass bending direction perpendicular to the conveying direction; and (3) double-curved surface bending, where the glass can be bent both in the conveying direction and perpendicular to the conveying direction. This satisfies the forming requirements of different scenarios and expands the applicability of this utility model. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the state of glass bending and forming equipment with constant radius arc after the process is completed in the existing technology. Figure 2This is a schematic diagram of the multifunctional glass forming equipment in Example 1; Figure 3 This is a schematic diagram of the lower arc-changing mechanism in Example 1; Figure 4 for Figure 3 A schematic diagram of the connecting rod limiting mechanism in the middle arc-changing mechanism; Figure 5 for Figure 3 AA section view in the middle; Figure 6 for Figure 3 A schematic diagram of the connecting rod limiting mechanism in the side arc-changing mechanism; Figure 7 for Figure 3 BB section view in the middle; Figure 8 This is a schematic diagram illustrating the principle of the adjustable arc stroke in the linkage limiting mechanism of Example 1; Figure 9 This is a schematic diagram of the distribution of the forming roller conveyor surface; Figure 10 This is a schematic diagram of the linkage limiting mechanism in Example 2; Figure 11 This is a schematic diagram of the lower arc-changing mechanism in Example 3; Figure 12 for Figure 11 A schematic diagram of the connecting rod limiting mechanism in the middle arc-changing mechanism; Figure 13 for Figure 11 CC section view in the middle; Figure 14 This is a schematic diagram of the lower arc-changing mechanism in Example 4; Figure 15 for Figure 14 A schematic diagram of the connecting rod limiting mechanism in the side arc-changing mechanism; Figure 16 This is a schematic diagram of the lower arc-changing mechanism in Example 5; Figure 17 This is a schematic diagram of the lower arc-changing mechanism in Example 6; Figure 18 This is a schematic diagram of the forming equipment structure in Example 7, in which the lower arc-changing mechanism is located at the end of the support tube; Figure 19 This is a schematic diagram of the lower arc-changing mechanism at the end of the support tube in Example 7; Figure 20 This is a schematic diagram of the forming equipment structure in Example 7, in which the lower arc-changing mechanism is mounted on the support tube. Figure 21 This is an end view of the molding equipment in Example 8; The markings in the diagram are as follows: 1. Chain plate unit; 1-1. Chain plate; 1-2. Toothed chain plate; 1-21. Double-sided toothed chain plate; 1-22. Single-sided toothed chain plate; 2. Linkage limiting mechanism; 3. Fixed link shaft; 4. Linkage; 5. Lifting slider; 6. External spline retaining ring; 7. Adjustable arc stroke; 8. Lead screw; 9. Lifting link shaft; 10. Independent drive component; 11. Slot hole; 12. Threaded sleeve retaining ring; 13. Guide rod; 14. Fixed shaft; 15. Support tube; 16. Flexible shaft roller conveyor; 17. Lifting mechanism; 18. Elastic component. 100. Lower arc-forming mechanism; 101. Middle arc-forming mechanism; 102. Side arc-forming mechanism; 200. Hard shaft roller conveyor; 300. Middle support; 400. Effective arc-forming area; 500. Ineffective arc-forming area. Detailed Implementation

[0035] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments, but this should not be construed as limiting the present invention in any way.

[0036] Example 1 like Figure 2 As shown, a multifunctional glass forming device includes two lower arc-forming mechanisms 100 and multiple roller tracks. Each lower arc-forming mechanism 100 has a lifting arc-forming mechanism connected to both ends. The lifting lower arc-forming mechanism drives the multiple roller tracks to fit and form a forming roller track surface for bending glass. In this example, the roller tracks are rigid shaft roller tracks 200. Both ends of the multiple rigid shaft roller tracks 200 are respectively connected to the lower arc-forming mechanisms 100 on the same side. The lifting lower arc-forming mechanism drives the multiple rigid shaft roller tracks 200 to fit the forming roller track surface.

[0037] See attached document Figure 3-9 As shown, the lower arc-changing mechanism 100 includes a chain plate unit 1 and a connecting rod limiting mechanism 2. There are multiple chain plate units 1, which are staggered by pins. The connecting rod limiting mechanism 2 includes a fixed connecting rod shaft 3, a lifting limiting component, and a connecting rod 4. There are multiple fixed connecting rod shafts 3, lifting limiting components, and connecting rods 4. Multiple fixed connecting rod shafts 3 are set on different chain plate units 1, and multiple lifting limiting components are set on different chain plate units 1. The connecting rod limiting mechanism 2 has multiple adjustable arc-changing strokes 7. Each lifting limiting component corresponds to one adjustable arc-changing stroke 7. The size of the corresponding adjustable arc-changing stroke 7 is adjusted by raising and lowering the lifting limiting component. The adjustable arc stroke determines the degree of movement of the end of the connecting rod 4 when the lower arc mechanism 100 is lifted into an arc, thereby determining the deflectable angle between the two chain plate units 1 connected by the connecting rod 4 around the pin shaft when lifting and changing the arc. The size of the deflectable angle corresponding to multiple adjustable arc strokes determines the shape of the forming roller surface fitted by multiple hard shaft rollers 200 corresponding to multiple chain plate units 1.

[0038] like Figure 9As shown, the forming roller surface is divided into an effective arc forming area 400 and non-effective arc forming areas 500 located on both sides of the effective arc forming area 400. The effective arc forming area 400 is used to bend the glass into an arc.

[0039] The lower arc-changing mechanism 100 includes a central arc-changing mechanism 101 and two side arc-changing mechanisms 102 on both sides. The side arc-changing mechanism 102 is an adjustable arc-changing mechanism. The adjustable arc-changing mechanism is used to adjust the size of the arc length of the effective arc-forming area 400 in the forming roller surface, that is, to adjust the range covered by the effective arc-forming area 400 in the length direction.

[0040] like Figure 2 , 6 As shown in Figure 7, the lifting limit component in the adjustable arc mechanism is a lifting connecting rod shaft 9. Both ends of the connecting rod 4 are connected to the fixed connecting rod shaft 3 and the lifting connecting rod shaft 9, respectively. At least one end of the connecting rod 4 has a slot. The lifting connecting rod shaft 9 is mounted on the lead screw 8. The adjustable arc stroke 7 in the adjustable arc mechanism is the space between the slot 11 of the connecting rod 4 and the lifting connecting rod shaft 9 (e.g., ...). Figure 8 (As shown). A driving component is connected to the lead screw 8, which drives the lead screw 8 to rotate, thereby adjusting the position of the connected lifting linkage shaft 9 and thus adjusting the corresponding adjustable arc stroke. The driving component is an arc-adjusting motor.

[0041] Preferably, at least two of the adjustable arc-changing strokes in the adjustable arc-changing mechanism are independently adjustable arc-changing strokes adjusted by independent drive components. Each independent drive component adjusts the position of the lifting connecting rod shaft on the connected lead screw one-to-one, thereby independently adjusting the size of the corresponding adjustable arc-changing stroke. The adjustable arc-changing stroke in the middle arc-changing mechanism can be centrally adjusted by a single arc-changing motor through a transmission mechanism. The flexible adjustment of the 500mm length of the non-effective arc-forming region and the 400mm arc length of the effective arc-forming region is achieved through the adjustment of multiple independently adjustable arc-changing strokes.

[0042] In this embodiment, preferably, one end of the connecting rod 4 connected to the lifting connecting rod shaft 9 is a slotted hole 11, and the other end of the connecting rod 4 connected to the fixed connecting rod shaft 3 is a round hole. This arrangement ensures that the lower arc-changing mechanism 100 will not interfere with the frame after being flattened. Alternatively, the slotted hole 11 on the connecting rod 4 can be positioned in the opposite way, such as a round hole at the end connected to the lifting connecting rod shaft 9, and a slotted hole 11 at the end of the connecting rod 4 connected to the fixed connecting rod shaft 3. In other embodiments, both ends of the connecting rod 4 can be configured as slotted holes 11.

[0043] In the adjustable arc mechanism of this embodiment, the fixed connecting rod shaft 3 and the lifting connecting rod shaft 9 are alternately arranged on different chain plate units 1. The two ends of the connecting rod 4 are respectively connected to the fixed connecting rod shaft 3 and the lifting connecting rod shaft 9 on two adjacent chain plate units 1. That is, the two adjacent chain plate units 1 are arranged as a single connecting rod, so that multiple connecting rods 4 form a W-shaped arrangement. This structural arrangement is simple and convenient and quick to use and adjust.

[0044] The adjustable arc-changing mechanism has 2, 8, or 16 independently adjustable arc-changing strokes, which can be flexibly designed according to design requirements. By setting more than 2 independently adjustable arc-changing strokes in the adjustable arc-changing mechanism, the equipment can form more than 3 effective arc-forming areas with different arc lengths. With the different degrees of lifting at both ends of the lower arc-changing mechanism, the middle of the forming roller surface can form effective forming surfaces with different arc lengths and radii for glass forming, making the adjustment more flexible and adaptable to a wider variety of target curved glass surfaces. The position of the lifting connecting rod shaft is adjusted by driving the lead screw with an independent drive component, thereby adjusting the size of the independently adjustable arc stroke between the corresponding connecting rod slot and the lifting connecting rod shaft. By adjusting the size of multiple independently adjustable arc strokes, when forming glass with a small arc length and small radius, the size of the non-effective arc forming area and the effective arc forming area for forming the target glass can be flexibly matched in the forming roller surface according to the arc length and radius of the target curved glass. This reduces the arc length of the effective arc forming area that is actually used for glass bending and forming, and ultimately forms an equal arc shape. The non-effective arc forming areas on both sides present a different shape from the effective arc forming area in the middle, thereby allowing the middle of the forming roller surface to form an effective forming surface with a smaller radius equal arc shape.

[0045] like Figure 3 , 4 As shown in Figure 5, the connecting rod limiting mechanism 2 of the central arc-changing mechanism 101 also includes multiple lifting sliders 5. The lifting limiting component is an external spline retaining ring 6, which has a cylindrical structure with an annular retaining ring portion at the bottom and a spline portion above the retaining ring portion. The external spline retaining ring 6 is connected to the lead screw 8. The lifting slider 5 is provided with an internal spline, so it is slidably connected to the spline portion of the external spline retaining ring 6. The distance between the retaining ring portion of the external spline retaining ring 6 and the lifting slider 5 can be adjusted by the lead screw 8. This distance is the adjustable arc-changing stroke 7. The two ends of the connecting rod 4 are respectively connected to the fixed connecting rod shaft 3 and the lifting slider 5. In this embodiment, both ends of the connecting rod 4 are round holes. Alternatively, the two ends of the connecting rod 4 can also be configured as one end with a strip hole and the other end with a round hole.

[0046] Specifically, in the central arc-changing mechanism 101, there are multiple fixed connecting rod shafts 3, external spline retaining rings 6, lifting sliders 5, and connecting rods 4 within the connecting rod limiting mechanism 2. Multiple fixed connecting rod shafts 3 are set on different chain plate units 1, and multiple external spline retaining rings 6 are set on different chain plate units 1. The external spline retaining rings 6, lifting sliders 5, and lead screws 8 are set in a one-to-one correspondence. The lifting sliders 5 can slide up and down along the external spline retaining rings 6, and the external spline retaining rings 6 can move up and down along the lead screws 8 to adjust their positions. The size of the corresponding adjustable arc-changing stroke 7 is adjusted by adjusting the position of the external spline retaining rings 6 by the lead screws 8.

[0047] In this embodiment, all adjustable arc strokes 7 of the central arc-changing mechanism 101 are adjusted by a single arc-changing motor, rather than each adjustable arc stroke 7 being adjusted by a separate arc-changing motor. When the central arc-changing mechanism uses a single arc-changing motor to adjust all adjustable arc strokes 7, the lead screw 8 is connected to the arc-changing motor via a transmission mechanism, such as a chain drive mechanism or a synchronous belt drive mechanism.

[0048] The multiple adjustable arc strokes 7 corresponding to the central arc-changing mechanism 101 are driven by a single arc-changing motor to maintain synchronous adjustment and ensure that the stroke size is always equal during adjustment. This achieves a constant minimum effective arc-forming area 400 setting, allowing the entire molding equipment to balance molding speed and molding capacity, and to balance the molding capacity of maximum arc length, minimum radius, and minimum arc length and minimum radius. The purpose of setting a constant minimum effective arc forming area 400 is to consider the minimum arc length and minimum radius of the target curved glass when the forming roller surface is fixed. The constant minimum effective arc forming area 400 can meet the glass forming of the target curved surface with the minimum arc length and minimum radius. For glass with any arc length and any radius, the rigid shaft rollers corresponding to the constant minimum effective arc forming area 400 will all participate and form concentric circles. This method is designed to take into account both forming speed and forming capacity, and to balance the forming capacity of the maximum arc length and minimum radius and the minimum arc length and minimum radius. Especially for large equipment, when the total arc length of the forming roller surface is fixed, the smaller the arc length of the glass with the minimum radius and minimum arc length that can be formed, the larger the non-effective arc forming area 500 on both sides will be. If large equipment is used to form small arc length and small radius glass, the lifting height of the end of the arc changing mechanism will be higher during arc forming, the forming speed of the arc changing mechanism driving multiple rigid shaft rollers will be slower, and the design height of the equipment will be higher, which is not conducive to equipment design and increases the risk. In addition, the lower arc-changing mechanism 100 in this embodiment can also drive multiple rigid shaft rollers 200 to participate in the forming of equal radius arc-changing, so as to take into account the forming of large radius glass.

[0049] In other embodiments, the central arc-changing mechanism 101 may not share a single arc-adjusting motor, but may correspond to multiple arc-adjusting motors as needed. However, maintaining synchronous adjustment of multiple arc-adjusting motors ensures that the adjusted adjustable arc-changing stroke 7 is the same, thus achieving a constant minimum effective arc-forming area. Specifically, the lead screw of the connecting rod limiting mechanism 2 in the central arc-changing mechanism is connected to the arc-adjusting motor in a one-to-one correspondence. The arc-adjusting motor drives the outer spline retaining ring 6 to move up and down through the lead screw to adjust the size of the corresponding adjustable arc-changing stroke.

[0050] In this embodiment, in the central arc-changing mechanism 101, the fixed connecting rod shaft 3 and the lifting slider 5 are alternately arranged on different chain plate units 1. The two ends of the connecting rod 4 are respectively connected to the fixed connecting rod shaft 3 and the lifting slider 5 on two adjacent chain plate units 1. That is, the two adjacent chain plate units 1 are arranged as a single connecting rod, so that multiple connecting rods 4 form a W-shaped arrangement.

[0051] In other embodiments, alternatively, in the central arc-changing mechanism 101, when the fixed connecting rod shaft 3 and the lifting slider 5 are simultaneously arranged in the same chain plate unit 1, a single connecting rod is set between two adjacent chain plate units 1, and multiple connecting rods 4 are arranged in a unidirectional manner. In this case, each chain plate unit 1 in the central arc-changing mechanism 101 corresponds to one external spline retaining ring 6, and all of them are adjustable. The central arc-changing mechanism 101 has more adjustable nodes, and the arc control adjustment is more precise.

[0052] It should be noted that the central arc-changing mechanism 101 includes a central support 300. The central support 300 is also connected to the chain plate units 1 on both sides by pins. However, the central support 300 and the chain plate unit 1 may or may not be connected by a link depending on the situation.

[0053] It should be noted that the "adjustable arc stroke" mentioned in this utility model refers to the maximum stroke that the connecting rod can move when the lower arc mechanism 100 moves from the flattened state to the maximum position. Specifically, in this embodiment, for the adjustable arc mechanism, the "adjustable arc stroke" is the maximum distance between the slot 11 of the connecting rod 4 and the lifting connecting rod shaft 9 when the lower arc mechanism is flattened; for the middle arc mechanism 102, the "adjustable arc stroke" is the maximum distance between the lifting slider 5 and the retaining ring portion of the outer spline retaining ring 6 when the lower arc mechanism 100 is flattened.

[0054] The method of using the glass forming equipment described in this embodiment includes the following steps: S1, flexibly determine the boundary points of the effective arc-forming region 400 that matches the target glass based on the arc length and radius of the target glass; S2, adjust all adjustable arc strokes 7 of the linkage limit mechanism 2, and the adjusted adjustable arc stroke 7 of the non-effective arc forming area 500 is less than the adjustable arc stroke 7 in the effective arc forming area 400. S3, the lifting and lowering of the arc-forming mechanism 100 drives multiple rigid shaft rollers 200 to fit the forming roller surface, ultimately achieving an effective arc-forming area 400 in the middle of the forming roller surface to form an effective forming curved surface and drive glass forming. The non-effective arc-forming areas 500 on both sides have a different shape from the effective forming area. In this case, the lifting and lowering of the arc-forming mechanism can allow the effective arc-forming area to form a smaller radius. The shape different from the effective forming area can be a forming surface with a radius larger than the radius of the effective forming curved surface or other non-curved shapes.

[0055] Furthermore, in step S2, the adjustable arc travel within the non-effective arc forming area 500 is adjusted to 0; in step S3, the two ends of the lower arc forming mechanism 100 are gradually pulled up to form an arc, ultimately achieving a planar shape for the non-effective arc forming areas 500 on both sides of the lower arc forming mechanism 100, and a uniform arc forming surface for the effective arc forming area 400 in the middle. In this state, pulling up and arcing the two ends of the arc forming mechanism results in a smaller effective forming surface radius.

[0056] The adjustment method of setting the adjustable arc stroke 7 to 0 and the working principle of the non-effective arc region 500 are as follows: The adjustable arc stroke determines the degree of movement of the connecting rod 4 when the arc mechanism is lifted into an arc, thus determining the deflectable angle between the two chain plate units 1 connected by the connecting rod 4 when lifting into an arc. The size of the deflectable angle determines the shape of the forming roller surface fitted by the multiple hard shaft rollers corresponding to the chain plate unit 1.

[0057] Adjustment method for adjusting the adjustable arc stroke 7 to 0: When the slot 11 is set at the upper end of the connecting rod 4, the adjustable arc stroke 7 is the stroke between the upper end of the slot 11 of the connecting rod 4 and the lifting connecting rod shaft 9. When the position of the lifting connecting rod shaft 9 is adjusted so that it is at the upper end of the slot 11 and at the highest position, the two ends of the lower arc mechanism are pulled up, and the two adjacent chain plate units 1 swing around the pin shaft. The deflection angle between the two chain plate units 1 will tend to increase. However, since the connecting rod 4 has no room for movement, that is, the upper end of the slot 11 of the connecting rod 4 can no longer move down relative to the lifting connecting rod shaft 9, it is in a stuck state. Therefore, by rotating the lead screw 8 to adjust the position of the lifting connecting rod shaft 9 so that it is located at the upper end of the strip hole 11 and at the highest position, the corresponding adjustable arc-changing stroke 7 is adjusted to 0. The arc-changing mechanism of the corresponding area of ​​the chain plate unit with multiple adjustable arc-changing strokes of 0 is in a planar shape. The non-effective arc-forming area formed by the arc-changing mechanism of the corresponding area driving multiple hard shaft rollers is in a planar shape. In this state, the two ends of the arc-changing mechanism are lifted and the arc-changing is performed, and the effective forming surface radius is smaller.

[0058] In this embodiment, the side arc-changing mechanism 102 adopts an adjustable arc-changing mechanism. The adjustable arc-changing mechanism can flexibly adjust the multiple adjustable arc-changing strokes 7 inside according to the range of the effective arc-forming area 400, so that the adjustable arc-changing strokes 7 of the middle arc-changing mechanism 101 and the adjustable arc-changing strokes 7 of some adjustable arc-changing mechanisms in the effective arc-forming area 400 are coordinated and are greater than the adjustable arc-changing strokes 7 of some adjustable arc-changing mechanisms in the non-effective arc-forming area 500. By controlling the degree of arc-changing achieved by the adjustable arc-changing strokes 7 corresponding to different areas of the arc-changing mechanism, the shape of the entire forming roller surface, the size and radius of the effective arc-forming area 400 and the non-effective arc-forming area 500 are flexibly divided.

[0059] The purpose of “coordinating the size of the adjustable arc stroke 7 of the middle arc-changing mechanism 101 and the adjustable arc stroke 7 of the partial adjustable arc-changing mechanism within the effective arc-forming area 400” is to ensure that after adjusting the adjustable arc stroke 7, the chain plate unit 1 within the effective arc-forming area 400 is an arc with an equal radius after arcing. The specific operation is as follows: (1) When the middle arc-changing mechanism 101 and the partial adjustable arc-changing mechanism within the effective arc-forming area 400 have the same structure of the connecting rod limiting mechanism 2, the size of their corresponding adjustable arc stroke 7 is equal; when the middle arc-changing mechanism 101 and the partial adjustable arc-changing mechanism within the effective arc-forming area 400 have different structures of the connecting rod limiting mechanism 2, the adjustable arc stroke 7 corresponding to the different structures may not be completely equal, and it is necessary to obtain the best adjustment method of the adjustable arc stroke 7 through verification.

[0060] Example 2 In the middle arc-changing mechanism of Embodiment 1, the lifting and limiting component is an external spline retaining ring. The difference between this embodiment and Embodiment 1 is that: Figure 10 As shown, in this embodiment, the lifting limit component is a threaded retaining ring 12, and a guide rod 13 is used instead of the lead screw in embodiment 1. The lower section of the guide rod 13 is provided with an external thread for installing the threaded retaining ring 12, and the upper section of the guide rod 13 is provided with an optical axis for the lifting slider 5 to slide up and down. The distance between the lifting slider 5 and the threaded retaining ring 12 is the adjustable arc stroke. By adjusting the position of the threaded retaining ring 12 on the guide rod 13, the size of the adjustable arc stroke 7 between the lifting slider 5 and the threaded retaining ring 12 is adjusted.

[0061] Based on the explanation of "adjustable arc stroke" in Embodiment 1, the "adjustable arc stroke" in this embodiment specifically refers to the maximum distance between the lifting slider 5 and the threaded retaining ring 12 when the lower arc mechanism is in a flattened state.

[0062] Example 3 like Figure 11-13As shown, the difference between this embodiment and Embodiment 1 is that in the middle arc-changing mechanism 101 of this embodiment, a cross double-link structure is adopted between adjacent chain plate units 1. Specifically, the middle arc-changing mechanism 101 also includes a driven connecting rod shaft and a fixed shaft 14. The lifting slider 5 and the fixed shaft 14 form one group, and the driven connecting rod shaft and the fixed connecting rod shaft 3 form another group. The two groups are alternately arranged in different chain plate units 1. A connecting rod 4 is also provided between the driven connecting rod shaft and the fixed shaft 14 of adjacent chain plate units 1, so that two adjacent chain plate units 1 are connected by two cross connecting rods 4. Preferably, the connecting rod 4 connecting the driven connecting rod shaft and the fixed shaft 14 is a round hole connecting rod with round holes at both ends. The side arc-changing mechanism 102 still adopts the adjustable arc-changing mechanism described in Embodiment 1.

[0063] The middle arc-changing mechanism 101 of the lower arc-changing mechanism 100 adopts a double-link cross slider-type connecting rod limiting mechanism, while the side arc-changing mechanism 102 adopts a single-link screw-nut type connecting rod limiting mechanism. This is more suitable for the process scenario where the glass gradually forms as the arc-changing mechanism changes. The double-link cross structure of the middle arc-changing mechanism 101 presents synchronous arc-changing during the process of changing from a straight line to the target arc shape, resulting in a smoother arc-changing process and higher glass forming accuracy. It is particularly suitable for large sheets of glass and large equipment, enabling glass bending as quickly as possible before the glass temperature drops, reducing the impact of temperature drop on glass forming, and ultimately achieving better forming accuracy and a more stable structure. If the middle arc-changing mechanism 101 also adopts a single-link screw-nut type connecting rod limiting mechanism, there will be a jamming phenomenon during the process of changing from a straight line to the target arc shape, resulting in edge folding during the glass forming process and poor forming accuracy. The side arc-changing mechanism 102 uses a single-link screw-nut type connecting rod limit mechanism, which makes it easier to select and adjust the non-effective arc-forming area and to change the arc.

[0064] Example 4 like Figure 14 , 15 As shown, the difference between this embodiment and Embodiment 1 is that in this embodiment, in the side arc-changing mechanism 102, the fixed connecting rod shaft 3 and the lifting connecting rod shaft 9 are respectively arranged on the same chain plate unit 1. Adjacent chain plate units 1 are connected by a single connecting rod between the fixed connecting rod shaft 3 and the lifting connecting rod shaft 9, and the connecting rods are arranged in a unidirectional manner. At this time, each chain plate unit 1 in the side arc-changing mechanism 102 corresponds to an independently adjustable arc-changing stroke 7. The side arc-changing mechanism 102 has more adjustable nodes, and the arc control adjustment is more precise, which allows the arc length of the effective arc-forming area 400 in the middle to match the arc length of the target glass more flexibly. The middle arc-changing mechanism 101 in this embodiment can also adopt a connecting rod limiting mechanism 2 with the same arrangement and connecting rod layout. The connecting rods 4 of the two side arc-changing mechanisms located on both sides of the middle support 300 of the lower arc-changing mechanism 100 have opposite inclination directions.

[0065] In other embodiments, the central arc-changing mechanism 101 can adopt a structure different from the above embodiments. The lifting limit component of the central arc-changing mechanism is a lifting connecting rod shaft, which is mounted on a lead screw. Both ends of the connecting rod are connected to the fixed connecting rod shaft and the lifting connecting rod shaft, respectively. At least one end of the connecting rod is a slot, and the space between the slot and the fixed connecting rod shaft and / or the lifting connecting rod shaft is the adjustable arc-changing stroke. The size of the corresponding adjustable arc-changing stroke is adjusted by adjusting the position of the lifting connecting rod shaft through the lead screw. Multiple lead screws in the central arc-changing mechanism are driven by multiple driving components, or all lead screws in the central arc-changing mechanism are driven by a single arc-adjusting motor. When the fixed connecting rod shaft 3 and the lifting connecting rod shaft 9 are alternately arranged in different chain plate units 1, a single connecting rod is set between two adjacent chain plate units 1, and the connecting rods are arranged in a W-shape. This arrangement is convenient and quick to adjust and has a simple structure. Furthermore, the central arc-changing mechanism 101 also includes a driven connecting rod shaft and a fixed shaft 14. The lifting connecting rod shaft 9 and the fixed shaft 14 form a group, and the driven connecting rod shaft and the fixed connecting rod shaft 3 form a group. The two groups are alternately arranged on different chain plate units 1. A connecting rod 4 is also provided between the driven connecting rod shaft and the fixed shaft 14, and the two ends of the connecting rod 4 are round holes and / or strip holes. In this way, two adjacent chain plate units 1 are connected by two cross-arranged connecting rods 4, which can also realize the cross double connecting rod arrangement and improve the glass forming accuracy.

[0066] Example 5 Unlike any of the embodiments described above, each chain plate unit 1 in the above embodiments includes two chain plates, and the link limiting mechanism 2 is disposed between the two chain plates. Figure 16 As shown, in this embodiment, each chain plate unit 1 includes one chain plate 1-1, and the link limiting mechanism 2 is disposed on the outer side of the chain plate 1-1. In other embodiments, the link limiting mechanism 2 may also be disposed on the lower part of the chain plate 1-1.

[0067] In the above embodiment, the linkage limiting mechanism 2 is located between two chain plates, therefore, linkages 4 are respectively provided at both ends of the lifting linkage shaft 9 or both ends of the lifting slider 5. In this embodiment, as shown... Figure 16 As shown, taking the lifting linkage shaft 9 as an example, the two connecting rods 4 connected to the lifting linkage shaft 9 are both located at the same end of the lifting linkage shaft 9.

[0068] In other embodiments, the side arc-changing mechanism 102 and the middle arc-changing mechanism 101 can adopt a structure similar to the linkage limiting mechanism 2 in any of the above embodiments, the difference being that they employ... Figure 16 The connecting rods are arranged on one side as shown.

[0069] Example 6 Unlike any of the embodiments described above, the chain plates in the chain plate units of the above embodiments are toothless chain plates, and the chain plates are connected only by pins. The chain plates cannot constrain the arc-changing process; the arc-changing mechanism and the arc shape of the forming roller surface are entirely constrained by the connecting rod limiting mechanism 2. In this embodiment, at least five adjacent chain plate units in the effective arc-forming area are toothed chain plates. The toothed chain plates refer to chain plates with teeth on their left and / or right sides, allowing for meshing between the toothed chain plates. The toothed chain plates allow the arc-changing mechanism in the corresponding area to maintain a more precise equal-radius arc shape during the arc-forming process, resulting in better process accuracy and ultimately better forming accuracy. This forms a minimal constant arc-forming area, further improving the forming accuracy of the forming roller surface while maintaining the aforementioned forming speed and forming capacity.

[0070] Specifically, such as Figure 17 As shown, the chain plate unit 1 in the lower arc-forming mechanism is arranged in a staggered double row. There are 7 toothed chain plates 1-2 in the effective arc-forming area, including 3 double-sided toothed chain plates 1-21 and 4 single-sided toothed chain plates 1-22. Alternatively, one double-sided toothed chain plate and four single-sided toothed chain plates can be used. Double-sided toothed chain plates refer to chain plates with teeth on both the left and right sides, while single-sided toothed chain plates refer to chain plates with teeth on either the left or right side.

[0071] It should be noted that the chain plates in the non-effective arc-forming area are toothless chain plates, and toothed chain plates cannot be selected.

[0072] Example 7 Unlike any of the embodiments described above, as Figure 18 , 20 As shown, in this embodiment, the roller conveyor is a flexible shaft roller conveyor 16. Multiple support tubes 15 are arranged between the two lower arc-changing mechanisms 100. Multiple flexible shaft roller conveyors 16 are vertically arranged on the support tubes 15. By lifting the lower arc-changing mechanism 100, the multiple flexible shaft roller conveyors 16 vertically arranged on the support tubes 15 are bent to fit the forming roller conveyor surface. This embodiment is suitable for forming single-curved glass, and the glass bending direction is perpendicular to the glass conveying direction.

[0073] Specifically, such as Figure 18 , 19 As shown, when the arc-changing mechanism 100 is set at the end of the support tube 15, the linkage limiting mechanism is set on the outside of the chain plate, or the outside of the support tube 15.

[0074] In other embodiments, when the target glass is long, the length of the support tube 15 is also long. To prevent the support tube 15 from becoming too long and deforming in the middle, thus affecting the arc forming accuracy of the supported flexible shaft roller 16, the lower arc-changing mechanism 100 is set at a non-end position of the support tube 15, such as... Figure 20As shown, the support tube 15 passes through the chain plate of the lower arc-changing mechanism 100, and the connecting rod limiting mechanism 2 is located at the lower part of the chain plate.

[0075] Example 8 The difference between this embodiment and embodiments 1-6 is that, for example Figure 21 As shown, the roller conveyor is a flexible shaft roller conveyor 16. Multiple support tubes 15 are arranged between the two lower arc-changing mechanisms 100. The flexible shaft roller conveyor 16 is arranged in parallel on the support tubes 15. Multiple lifting mechanisms 17 are arranged at intervals along the length of each support tube 15. The lifting mechanism 17 is connected to the elastic element 18 supporting the flexible shaft roller conveyor 16. When the multiple lifting mechanisms 17 lift to different heights, they can control the corresponding flexible shaft roller conveyor 16 to bend into an arc. The lifting mechanism 17 can be a screw mechanism driven by a motor.

[0076] During glass forming, the lower arc-changing mechanism 100 is used to raise multiple support tubes 15 to different heights, thereby forming an arc surface on the flexible shaft roller conveyor 16 in the glass conveying direction. The lifting mechanism 17, mounted on the support tubes 15, raises and lowers the flexible shaft roller conveyor 16, causing it to bend perpendicular to the glass conveying direction, thus fitting the forming roller surface. This method is suitable for forming hyperboloid glass or complex curved glass. The lower arc-changing mechanism can be any of the mechanisms described in the above embodiments.

[0077] Example 9 In the above embodiments, the adjustable arc mechanism 102 of the side arc mechanism uses a single link between the chain plate units 1 and the chain plate units 1. In this embodiment, the outermost chain plate units 1 of the adjustable arc mechanism are connected by double links, while the chain plate units 1 of the remaining adjustable arc mechanisms are connected by single links. This also achieves the function of adjusting the effective arc-forming area by 400 arc length.

[0078] Example 10 In the above embodiments, the adjustable arc strokes 7 of the side arc-changing mechanism 102 are all independently adjustable. In this embodiment, the multiple outermost adjustable arc strokes 7 of the adjustable arc-changing mechanism share one arc-changing motor for unified adjustment, rather than each adjustable arc stroke 7 using a separate independent arc-changing motor. The two adjustable arc strokes 7 near the middle arc-changing mechanism 101 in the adjustable arc-changing mechanism are independently adjustable, which can also achieve the function of adjusting the effective arc-forming area by 400 arc length.

[0079] Example 11 The above embodiments all pertain to the structure of the lower arc-changing mechanism. In the glass forming equipment of this invention, an upper arc-changing mechanism located above the lower arc-changing mechanism is also included. The upper and lower arc-changing mechanisms are basically the same in terms of the linkage limiting mechanism and the chain plate unit, and can be selected according to needs. Regarding the selection of the arc-adjusting motor, the adjustable arc-changing stroke can be adjusted manually by using a lead screw instead of an arc-adjusting motor.

[0080] In other embodiments, the number and position of the independently adjustable arc stroke in the adjustable arc mechanism can be set differently depending on the type of arc length of the target glass to be pre-bent.

[0081] The above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Those skilled in the art should understand that modifications or equivalent substitutions can be made to the specific implementation of this utility model with reference to the above embodiments. Any modifications or equivalent substitutions that do not depart from the spirit and scope of this utility model are within the protection scope of the pending claims.

Claims

1. A multifunctional glass forming device, comprising two lower arc-changing mechanisms (100) and multiple roller conveyors, wherein the lower arc-changing mechanisms (100) are used to lift and bend the multiple roller conveyors to fit the forming roller conveyor surface for glass bending forming; the lower arc-changing mechanism (100) comprises a chain plate unit (1) and a connecting rod limiting mechanism (2), wherein there are multiple chain plate units (1) and they are sequentially and alternately connected by pins; the connecting rod limiting mechanism (2) comprises a fixed connecting rod shaft (3), a lifting limiting component and a connecting rod (4), wherein there are multiple fixed connecting rod shafts (3), lifting limiting components and connecting rods (4), multiple fixed connecting rod shafts (3) are arranged in different chain plate units (1), multiple lifting limiting components are arranged in different chain plate units (1), and the connecting rod limiting mechanism (2) has multiple adjustable arc-changing strokes (7), each lifting limiting component corresponds to one adjustable arc-changing stroke (7), and the size of the corresponding adjustable arc-changing stroke (7) is adjusted by lifting and lowering the lifting limiting component; characterized in that: The forming roller surface includes an effective arc-forming area (400) for bending glass into an arc and non-effective arc-forming areas (500) located on both sides of the effective arc-forming area (400); the lower arc-changing mechanism (100) includes a central arc-changing mechanism (101) and side arc-changing mechanisms (102) on both sides, the side arc-changing mechanism (102) being an adjustable arc-changing mechanism; the lifting limit component in the adjustable arc-changing mechanism is a lifting connecting rod shaft (9), the lifting connecting rod shaft (9) is mounted on the lead screw (8), and the connecting rod (4) The two ends of the connecting rod (4) are respectively connected to the fixed connecting rod shaft (3) and the lifting connecting rod shaft (9), and at least one end of the connecting rod (4) is a slot (11). The space between the slot (11) and the fixed connecting rod shaft (3) and / or the lifting connecting rod shaft (9) is the adjustable arc stroke (7). At least two adjustable arc strokes in the adjustable arc mechanism are independent adjustable arc strokes that are adjusted by independent driving components. The independent driving components adjust the position of the lifting connecting rod shaft (9) through the lead screw (8). The effective arc length (400) in the forming roller surface can be adjusted by adjusting multiple independent adjustable arc strokes in the adjustable arc mechanism.

2. The multifunctional glass forming equipment according to claim 1, characterized in that: When the lower arc mechanism (100) is in a flattened state, the adjustable arc stroke (7) corresponding to the non-effective arc region (500) is less than the adjustable arc stroke (7) corresponding to the effective arc region (400).

3. The multifunctional glass forming equipment according to claim 2, characterized in that: The size of the adjustable arc stroke (7) corresponding to the non-effective arc region (500) is 0.

4. The multifunctional glass forming equipment according to claim 1, characterized in that: The lifting limit component of the central arc-changing mechanism (101) is a lifting connecting rod shaft (9), which is mounted on a lead screw (8). The two ends of the connecting rod (4) are connected to the fixed connecting rod shaft (3) and the lifting connecting rod shaft (9) respectively. At least one end of the connecting rod (4) is a slot (11), and the space between the slot (11) and the fixed connecting rod shaft (3) and / or the lifting connecting rod shaft (9) is the adjustable arc-changing stroke (7). The position of the lifting connecting rod shaft (9) is adjusted by adjusting the lead screw (8) to adjust the size of the corresponding adjustable arc-changing stroke (7). The multiple lead screws (8) in the central arc-changing mechanism (101) are driven by multiple driving components respectively, or all the lead screws (8) in the central arc-changing mechanism (101) are driven by one arc-adjusting motor.

5. The multifunctional glass forming equipment according to claim 1, characterized in that: The connecting rod limiting mechanism (2) of the central arc-changing mechanism (101) also includes multiple lifting sliders (5). The lifting sliders (5) slide up and down along the optical axis section of the guide rod (13). The connecting rod (4) has at least one round hole at one end, and the two ends of the connecting rod (4) are respectively connected to the fixed connecting rod shaft (3) and the lifting slider (5). The lifting limiting component is a threaded retaining ring (12). The threaded retaining ring (12) and the lifting slider (5) are set in a one-to-one correspondence. The threaded retaining ring (12) is set on the threaded section of the guide rod (13). The adjustable arc-changing stroke (7) is the space between the lifting slider (5) and the threaded retaining ring (12). The size of the corresponding adjustable arc-changing stroke (7) is adjusted by adjusting the position of the threaded retaining ring (12).

6. The multifunctional glass forming equipment according to claim 1, characterized in that: The connecting rod limiting mechanism (2) of the central arc-changing mechanism (101) also includes multiple lifting sliders (5). The lifting sliders (5) slide up and down along the spline portion of the outer spline retaining ring (6). The outer spline retaining ring (6) is sleeved on the lead screw (8). At least one end of the connecting rod (4) is a round hole, and the two ends of the connecting rod (4) are respectively connected to the fixed connecting rod shaft (3) and the lifting slider (5). The lifting limiting component is the retaining ring portion set on the outer spline retaining ring (6). The adjustable arc-changing stroke (7) is the space between the lifting slider (5) and the retaining ring portion. The size of the corresponding adjustable arc-changing stroke (7) is adjusted by adjusting the position of the outer spline retaining ring (6).

7. A multifunctional glass forming equipment according to claim 5 or 6, characterized in that: The adjustable arc stroke (7) in the central arc-changing mechanism (101) is an independently adjustable arc stroke. The position adjustment of the threaded retaining ring (12) or the external spline retaining ring (6) corresponding to the independently adjustable arc stroke is completed by an independent driving component; or the adjustment of all adjustable arc strokes (7) in the central arc-changing mechanism (101) is completed by a single arc-changing motor.

8. A multifunctional glass forming equipment according to any one of claims 1, 4-6, characterized in that: The fixed connecting rod shaft (3) and the lifting limit component are alternately arranged in different chain plate units (1); or the fixed connecting rod shaft (3) and the lifting limit component are arranged in the same chain plate unit (1).

9. A multifunctional glass forming device according to any one of claims 4-6, characterized in that: In the central arc-changing mechanism (101), the connecting rod limiting mechanism (2) further includes a driven connecting rod shaft and a fixed shaft (14). The lifting limiting member and the fixed shaft (14) and the driven connecting rod shaft and the fixed connecting rod shaft (3) are respectively arranged in groups and alternately on different chain plate units (1). The driven connecting rod shaft and the fixed shaft (14) are connected by a connecting rod (4).

10. A multifunctional glass forming equipment according to claim 1, characterized in that: At least 5 of the chain plate units (1) corresponding to the effective arc region (400) are toothed chain plates (1-2).

11. A multifunctional glass forming equipment according to claim 1, characterized in that: The chain plate unit (1) includes one chain plate (1-1) or two chain plates (1-1); when the chain plate unit (1) includes one chain plate (1-1), the link limiting mechanism (2) is located on the outside or below of the chain plate unit (1); when the chain plate unit (1) includes two chain plates (1-1), the link limiting mechanism (2) is located between the two chain plates (1-1).

12. The multifunctional glass forming equipment according to claim 1, characterized in that: The roller conveyor is a hard shaft roller conveyor (200). The two ends of the multiple hard shaft roller conveyors (200) are respectively connected to the lower arc mechanism (100) on the same side. The multiple hard shaft roller conveyors (200) are driven by lifting the lower arc mechanism (100) to fit the forming roller conveyor surface.

13. The multifunctional glass forming equipment according to claim 1, characterized in that: The roller conveyor is a flexible shaft roller conveyor (16). Multiple support tubes (15) are provided between the two lower arc-changing mechanisms (100). The flexible shaft roller conveyor (16) and elastic elements (18) for supporting the flexible shaft roller conveyor (16) are arranged in parallel on the support tubes (15). Multiple lifting mechanisms (17) are connected to the elastic elements (18). By lifting the lower arc-changing mechanism (100) and controlling the action of multiple lifting mechanisms (17), multiple flexible shaft roller conveyors (16) are driven to fit the forming roller conveyor surface.

14. The multifunctional glass forming equipment according to claim 1, characterized in that: The roller conveyor is a flexible shaft roller conveyor (16). Multiple support tubes (15) are arranged between the two lower arc-changing mechanisms (100). The multiple flexible shaft roller conveyors (16) are arranged perpendicular to the support tubes (15). The multiple flexible shaft roller conveyors (16) are driven by the lower arc-changing mechanism (100) to fit the forming roller conveyor surface.

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