CN209890490U - Curved toughened glass former - Google Patents
Curved toughened glass former Download PDFInfo
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- CN209890490U CN209890490U CN201920179885.4U CN201920179885U CN209890490U CN 209890490 U CN209890490 U CN 209890490U CN 201920179885 U CN201920179885 U CN 201920179885U CN 209890490 U CN209890490 U CN 209890490U
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Abstract
A bent toughened glass forming device comprises a rack, an air grid system and a forming system, wherein the air grid system comprises a plurality of upper air grids and a plurality of lower air grids; the inlet side of the forming system is provided with a gradual transition section, so that the glass plate is gradually changed into an arc in the transverse direction, and the glass plate after gradually changing into the arc is sent into the forming system; the forming system comprises two groups of longitudinal forming arc changing mechanisms and a plurality of transverse forming arc changing mechanisms arranged along the conveying direction of the glass plate; the longitudinal forming arc-changing mechanism is used for longitudinally bending and forming the glass plate; the transverse forming arc-changing mechanism is connected with the longitudinal forming arc-changing mechanism through a lower supporting beam and is used for transversely bending and forming the glass plate. The utility model discloses can process multiple curved toughened glass, and needn't make special mould, have the shaping and adjust advantage convenient fast, reliable and stable, non-deformable, that production efficiency is high.
Description
Technical Field
The utility model belongs to toughened glass processing field, concretely relates to curved toughened glass former.
Background
The building field is one of important application fields of toughened glass, in order to pursue visual aesthetic feeling and safety requirements, a plurality of building outer walls are designed with spherical or arc-shaped glass modeling structures, the spherical or arc-shaped glass modeling structures need to be decomposed into a piece of corresponding hyperboloid or multi-curved-surface arc-shaped toughened glass which is in smooth transition connection for production, processing and installation, the hyperboloid or multi-curved-surface arc-shaped toughened glass is easy to warp and deform in the processing process, and the hyperboloid or multi-curved-surface arc-shaped toughened glass after warp deformation cannot be in smooth transition connection when being installed and connected, so that the spherical or arc-shaped glass modeling which meets the requirements cannot be installed; in actual production, the double-curved-surface or multi-curved-surface arc toughened glass is difficult to produce and process.
In order to ensure that the multi-curved surface arc-shaped toughened glass is not deformed as much as possible in the forming process, a special multi-curved surface glass toughening forming die is usually required to be designed, because the multi-curved surface arc-shaped toughened glass forming a spherical or arc-shaped glass modeling structure has multiple specifications, the multi-curved surface arc-shaped toughened glass of each specification needs to be manufactured in the production and processing process, the special die for production equipment has multiple numbers, high manufacturing cost and poor universality, the special die needs to be frequently replaced, installed and debugged in the production and processing process, the production auxiliary time is long, the production efficiency is low, so the equipment which can produce the multi-curved surface toughened glass without the special die needs to be designed, the production efficiency is improved, the equipment cost is reduced, the equipment for forming the glass by adopting a flexible shaft at present is also available, but a transmission system of the equipment is arranged at the end part, the upper part of the lower flexible shaft is also provided with a flexible shaft or a roller for auxiliary forming, the structure is complex and the forming precision is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a curved toughened glass former, curved toughened glass of hyperboloid, the curved toughened glass of many curved surfaces or the curved toughened glass shaping of abnormal shape need not make special forming die one by one again when, and the shaping is adjusted convenience fast, reliable and stable, non-deformable, production efficiency height.
In order to realize the purpose, the utility model discloses a technical scheme is:
a bent toughened glass forming device comprises a rack, an air grid system and a forming system, wherein the air grid system comprises an upper air grid group consisting of a plurality of upper air grids and a lower air grid group consisting of a plurality of lower air grids, the upper air grid group is arranged on the upper half part of the rack through a lifting mechanism, and the lower air grid group is arranged in the forming system on the lower half part of the rack; the inlet side of the forming system is provided with a gradual transition section, and the gradual transition section comprises a plurality of transition transverse arc changing mechanisms which are arranged on the rack and arranged along the conveying direction of the glass plate, so that the glass plate is gradually changed into an arc in the transverse direction, and the glass plate after gradually changing into the arc is sent into the forming system.
The forming system comprises two groups of longitudinal forming arc changing mechanisms and a plurality of transverse forming arc changing mechanisms arranged along the conveying direction of the glass plate; the longitudinal forming arc-changing mechanism is controlled by the lower arc-forming mechanism and is used for longitudinally bending and forming the glass plate in the forming system; the transverse forming arc-changing mechanism is connected with the longitudinal forming arc-changing mechanism through a lower supporting beam to perform transverse bending forming on the glass plate in the forming system
The transverse forming arc-changing mechanism comprises an elastic piece, a plurality of height adjusting mechanisms and a glass conveying mechanism arranged on the elastic piece; the center position of the elastic part in the length direction is fixed on the lower supporting cross beam, two sides of the center position or the middle section are connected with the lower supporting cross beam through a plurality of height adjusting mechanisms, and the elastic part is made to be in an arc shape through the height adjusting mechanisms.
The transition transverse arc changing mechanism comprises an elastic piece, a plurality of height adjusting mechanisms and a glass conveying mechanism arranged on the elastic piece; the center position or the middle part section of the elastic part in the length direction is fixed on the supporting beam, two sides of the fixed point of the elastic part are connected with the supporting beam through a plurality of height adjusting mechanisms, the elastic part is made to be in an arc shape through the height adjusting mechanisms, and the supporting beam is fixed on the rack.
The glass conveying mechanism comprises a flexible shaft, a support and a driving system, wherein the flexible shaft is provided with a conveying wheel, the flexible shaft is fixed on the elastic part through the support distributed at intervals and is parallel to the elastic part, and the central position of the flexible shaft in the length direction is connected with the driving system.
The lower air grid is composed of a plurality of lower blowing boxes, the plurality of lower blowing boxes are arranged between adjacent transverse forming arc-changing mechanisms along the length direction of the elastic part, and the lower blowing boxes are arranged on the elastic part so as to enable the lower blowing boxes to act along with the arc-changing actions of the transverse forming arc-changing mechanisms and the longitudinal forming arc-changing mechanisms.
The lower blowing boxes are respectively provided with independent air channels.
The elastic part is any one of a spring steel wire, a spring steel plate or a carbon fiber elastic part.
The upper air grid is provided with an upper air grid longitudinal arc changing mechanism and an upper air grid transverse arc changing mechanism, the upper air grid longitudinal arc changing mechanism is connected with an upper arc forming mechanism arranged on the rack, and the upper air grid transverse arc changing mechanism is connected with the upper air grid longitudinal arc changing mechanism through an upper supporting beam.
The upper air grid transverse arc changing mechanism comprises an elastic part and a height adjusting mechanism, the central position of the length direction of the elastic part is fixed on an upper supporting beam, two sides of the fixed point of the elastic part are connected with the upper supporting beam through the height adjusting mechanism, the upper air grid further comprises a plurality of upper air blowing boxes, the plurality of upper air blowing boxes are arranged between the adjacent upper air grid transverse arc changing mechanisms along the length direction of the elastic part, and the upper air blowing boxes are installed on the elastic part, so that the angle and the position of each upper air blowing box are changed along with arc changing actions of the upper air grid transverse arc changing mechanisms and the upper air grid longitudinal arc changing mechanisms.
The upper blowing boxes are internally provided with blowing channels, and the blowing channels in the upper blowing boxes are not communicated with each other.
Go up the vertical variable arc mechanism of air grid and constitute by a plurality of company's boards end to end are articulated in proper order, even have the protrusion end of keeping away from the pin joint on the board, the protruding end of two adjacent company's boards passes through bolted connection, and the both ends of bolt are articulated with the protrusion end of two adjacent company's boards respectively, and the bolt has the nut of two adjacent company's board protrusion end intervals of adjustment through threaded connection, go up the tip and the company's board fixed connection of support crossbeam.
The connecting plate is a T-shaped plate, a trapezoidal plate or a triangular plate.
The longitudinal forming arc-changing mechanism in the forming system is formed by sequentially rotating and connecting a plurality of chain plate assemblies end to end, a protruding part far away from a rotating connection point is arranged on each chain plate assembly, adjacent chain plate assemblies are connected through a connecting rod, a sliding block capable of sliding along the length direction of the protruding part is arranged at one end of the connecting rod, and an adjusting device for adjusting the sliding stroke of the sliding block is arranged on the protruding part.
The chain plates in the chain plate assembly are T-shaped chain plates, trapezoidal chain plates or triangular chain plates.
The upper arc forming mechanism and the lower arc forming mechanism respectively comprise a power mechanism and a traction mechanism, the power mechanism is a motor, and the traction mechanism is a chain or a steel wire rope.
The utility model has the advantages that:
the utility model discloses a former, be provided with respectively and be used for the fashioned vertical shaping variable arc mechanism of glass board length direction and be used for the fashioned horizontal shaping variable arc mechanism of glass board width direction, and vertical shaping variable arc mechanism and horizontal shaping variable arc can be according to production needs, the adjustment becomes the single curvature, hyperboloid or many camber structure, in order to satisfy the curved toughened glass of hyperboloid, the curved toughened glass of many curved surfaces or the curved toughened glass's of heterotypic production, equipment commonality is very strong, and need not make special forming die one by one again during the shaping, the shaping is adjusted convenient fast, and is stable and reliable, non-deformable, high production efficiency.
The utility model discloses a former, because vertical shaping arc mechanism and horizontal shaping arc mechanism can adjust alone, consequently an equipment can produce flat toughened glass, along the horizontal curved toughened glass of length direction arcing, along the vertical curved toughened glass of width direction arcing to and simultaneously along the curved toughened glass of hyperboloid of length and width direction arcing, curved toughened glass of many curved surfaces or the curved toughened glass of abnormal shape etc..
The utility model discloses well elastic component's use can be so that use the flexible axle as the horizontal shaping variable arc mechanism of main part and go up the air grid and become arc more even, slick and sly, be favorable to the improvement of curved toughened glass curved surface precision to because the rigidity of elastic component self, can reduce the support to the flexible axle again, thereby simplify horizontal shaping variable arc mechanism's structure, reduce the cost of equipment production and reduce mechanical failure's the frequency of occurrence.
The utility model discloses in set up the gradual change changeover portion before the molding system, can be so that the glass board predeformation before getting into the molding system, reduce the glass board bending forming degree of difficulty, the gradual change changeover portion is crooked from the transverse direction with the glass board moreover, can also reduce the glass transverse dimension like this, is convenient for the glass board smoothly gets into the molding system that has transversely become the arc.
Drawings
FIG. 1 is a front view of the molding apparatus of the present invention;
FIG. 2 is a side view of the molding apparatus of the present invention;
FIG. 3 is a schematic structural view of the horizontal arc-changing mechanism of the upper air grid of the present invention;
FIG. 4 is a schematic structural view of a transverse forming arc-changing mechanism of the present invention;
FIG. 5 is an isometric view of a transverse forming variable arc mechanism of the present invention;
fig. 6 is an installation schematic diagram of the upper blowing box and the lower blowing box of the utility model;
fig. 7 is a schematic structural view of the upper blowing box of the present invention;
fig. 8 is a schematic view of the installation of the upper blowing box of the present invention;
FIG. 9 is a schematic structural view of a longitudinal arc-changing mechanism of the medium-sized air grid of the present invention;
FIG. 10 is a schematic view of the tie sheet of FIG. 9 after joining;
FIG. 11 is a schematic structural view of a longitudinal forming arc-changing mechanism of the present invention;
FIG. 12 is a schematic structural view of the chain plate assembly of FIG. 11;
fig. 13 is a schematic structural diagram of a transition section of the present invention;
FIG. 14 is a schematic view of the driving system of the glass conveying mechanism according to the present invention;
FIG. 15 is a state view of the upper air grid lateral varying arc mechanism and the lateral forming varying arc mechanism being bent upward into an arc;
FIG. 16 is a view showing the upper air grid lateral varying arc mechanism and the lateral forming varying arc unit bent downward into an arc;
FIG. 17 is a schematic view of a one-way hyperboloid glass;
FIG. 18 is a schematic view of a front-back bidirectional multi-curved glass;
the labels in the figure are: 1. a frame, 2, an upper air grid, 3, a forming system, 4, an upper air grid longitudinal arc changing mechanism, 5, an upper arc forming mechanism, 6, a lifting mechanism, 7, a longitudinal forming arc changing mechanism, 8, a lower arc forming mechanism, 9, an upper air grid transverse arc changing mechanism, 10, an upper supporting beam, 11, a height adjusting mechanism, 111, a screw nut mechanism, 112, a motor, 12, a transverse forming arc changing mechanism, 13, a lower supporting beam, 14, a glass conveying mechanism, 141, a flexible shaft, 142, a conveying wheel, 143, a support, 15, an upper blowing box, 16, an elastic member, 161, a pressing member, 17, a lower blowing box, 18, an extending part, 19, a gradual transition section, 191, a transition transverse arc changing mechanism, 20, a connecting plate, 201, a hinge point, 202, a protruding end, 203, a rotating shaft, 21, a bolt, 211, a bolt head, 22, a nut, 23, a chain plate, 2302, a double-row chain wheel, 2303. adjusting chain wheel, 2304, rotating shaft, 2305, top plate, 2306, lead screw, 2307, slider, 2308, spline shaft sleeve, 2309, connecting block, 2310, bottom plate, 2311, hexagonal shaft, 2312, bevel gear pair, 2313, bulge, 24, connecting rod, 25, rotating shaft, 26, driving chain wheel, 27, driving gear, 28, driven gear, 29 and air inlet.
Detailed Description
The technical solution of the present invention will be further described in the following with reference to the accompanying drawings by specific embodiments, wherein "longitudinal" in the present specification refers to a direction parallel to the moving direction of the glass plate, and "transverse" is perpendicular to the moving direction of the glass plate.
As shown in the figure, the bent toughened glass forming equipment comprises a rack 1, an air grid system and a forming system 3, wherein the air grid system comprises a plurality of upper air grids and a plurality of lower air grids, the upper air grids are installed on the upper half part of the rack 1 through a lifting mechanism 6, the lower air grids are installed in the forming system on the lower half part of the rack 1, and the upper half part of the rack 1 and the lower half part of the rack 1 are shown in figure 1;
a gradual transition section 19 is arranged on the inlet side of the forming system, the gradual transition section 19 comprises a plurality of transitional transverse arc changing mechanisms 191 which are arranged on the rack 1 and are arranged along the conveying direction of the glass plate and a glass conveying mechanism 14 which is arranged on the transitional transverse arc changing mechanisms 191, so that the glass plate is gradually changed into an arc in the transverse direction, and the glass plate after gradual change into the arc is conveyed into the forming system; the transition transverse arc changing mechanism 191 can be arranged on the rack 1 or on an independent rack.
The forming system 3 comprises two groups of longitudinal forming arc changing mechanisms 7 and a plurality of transverse forming arc changing mechanisms 12 which are arranged along the conveying direction of the glass plate; the two ends of the longitudinal forming arc changing mechanism 7 along the conveying direction of the glass plate are connected with a lower arc forming mechanism 8 arranged on the rack 1, the lower arc forming mechanism 8 is used for realizing the longitudinal arc forming of the lower longitudinal arc changing mechanism 7 by lifting, and the glass plate in the forming system 3 is longitudinally bent and formed; the transverse forming arc-changing mechanism 12 is connected with the longitudinal forming arc-changing mechanism 7 through a lower support beam 13, and the transverse forming arc-changing mechanism 12 comprises an elastic piece 16, a plurality of height adjusting mechanisms 11 and a glass conveying mechanism 14; the central position of the elastic piece 16 in the length direction is fixed on the lower supporting beam 13, two sides of a fixed point of the elastic piece are connected with the lower supporting beam 13 through the height adjusting mechanisms 11, and when the height adjusting mechanisms 11 are adjusted to different heights, the shape of the elastic piece 16 can be changed, so that the transverse forming arc changing mechanism 12 forms an arc, and the glass plate in the forming system 3 is transversely bent and formed.
In the gradual change transition section 19, the transverse transition arc changing mechanism 191 adopts the same structure as the transverse forming arc changing mechanism 12, namely, the transverse transition arc changing mechanism comprises an elastic part 16, a plurality of height adjusting mechanisms 11 and a glass conveying mechanism 14 installed on the elastic part 16, the central position of the elastic part 16 in the length direction is fixed on a supporting beam below, the plurality of height adjusting mechanisms 11 are installed on two sides of the fixed point, one end of each height adjusting mechanism 11 is fixed on the supporting beam, the other end of each height adjusting mechanism 11 is connected with the elastic part 16, when the height adjusting mechanisms 11 are adjusted to different heights, the shape of the elastic part 16 can be changed, the transverse transition arc changing mechanism 191 becomes an arc, a glass plate entering the gradual change transition section 19 is preformed in the transverse direction, and the supporting beam is fixed on the rack 1. Unlike the molding system, there is no need to install a lower air grid in the transition section 19.
The glass conveying mechanism 14 comprises a flexible shaft 141 provided with a conveying wheel 142, a support 143 and a driving system, the flexible shaft 141 and the elastic piece 16 are arranged in parallel and fixed on the elastic piece 16 through the support 143 distributed at intervals, the central position of the flexible shaft 141 in the length direction is connected with the driving system to be connected with power to realize rotation, and the softened glass plate can be formed by means of the weight of the glass plate when being conveyed by the conveying wheel 142.
The driving system comprises a transmission system and a driving motor, the transmission system is arranged below the middle part of the flexible shaft 141, the driving motor transmits power to the flexible shaft 141 from the middle part of the flexible shaft 141 through the transmission system, so that the phenomenon that the driving side and the driven side are not synchronous in rotation during transmission of the flexible shaft 141 can be avoided, the axial displacement of the flexible shaft 141 on a support 143 can be reduced, deviation during glass movement is avoided, the shape precision of the glass is improved, and the height of the end part of the flexible shaft 141 is not fixed because the flexible shaft needs to participate in arc forming. The middle part has two conditions, namely, when the flexible shaft 141 is a long shaft, the middle part refers to the central position of the flexible shaft 141 in the length direction; secondly, when the flexible shaft 141 is formed by connecting two half shafts, the middle part refers to the connecting position of the two half shafts.
Further, the transmission system comprises a rotating shaft 25 arranged below the middle of the flexible shaft 141, and a driving sprocket 26 and a driving gear 27 fixed on the rotating shaft 25, wherein a driven gear 28 meshed with the driving gear 27 is fixed on the flexible shaft 141.
The lower air grid is composed of a plurality of lower blowing boxes 17 arranged between the adjacent transverse forming arc-changing mechanisms 12 along the axial direction of the flexible shaft 141, blowing channels are arranged in the lower blowing boxes 17, the blowing channels of the lower blowing boxes 17 are not communicated with each other, and the lower blowing boxes 17 are arranged on the elastic piece 16, so that the angles and the positions of the lower blowing boxes 17 are changed along with the arc-changing actions of the transverse forming arc-changing mechanisms 12 and the longitudinal forming arc-changing mechanisms 7.
The upper air grid is provided with an upper air grid longitudinal arc changing mechanism 4 and an upper air grid transverse arc changing mechanism 9, the upper air grid longitudinal arc changing mechanism 4 is connected with an upper arc forming mechanism 5 arranged on the rack 1, and the upper air grid transverse arc changing mechanism 9 is connected with the upper air grid longitudinal arc changing mechanism 9 through an upper supporting beam 10.
The upper arc forming mechanism 5 comprises a power mechanism and a traction mechanism, and the traction mechanism can adopt a chain and chain wheel mechanism or a steel wire rope and the like. The lower arc forming mechanism 8 and the upper arc forming mechanism 5 have the same structure.
The upper air grid transverse arc changing mechanism 9 adopts an elastic piece 16 and a height adjusting mechanism 11 which are the same as the transverse forming arc changing mechanism 12, the central position of the length direction of the elastic piece 16 is fixed on the upper supporting beam 10, two sides of the fixed point of the elastic piece are connected with the upper supporting beam 10 through the height adjusting mechanism 11, when the height adjusting mechanisms 11 are adjusted to different heights, the shape of the elastic piece 16 can be changed, and the upper air grid transverse arc changing mechanism 9 forms an arc; the upper air grid also comprises a plurality of upper blowing boxes 15 which are arranged between the adjacent upper air grid transverse arc changing mechanisms 9 along the axial direction of the elastic part 16, blowing channels are arranged in the upper blowing boxes 15, the blowing channels of the upper blowing boxes 15 are not communicated with each other, and the upper blowing boxes 15 are arranged on the elastic part 16, so that the angle and the position of the upper blowing boxes 15 are changed along with the arc changing actions of the upper air grid transverse arc changing mechanisms 9 and the upper air grid longitudinal arc changing mechanisms 4.
The upper blowing box 15 and the lower blowing box 17 are provided with independent air inlets 29 to be connected with air inlet hoses, one sides of the upper blowing box 15 and the lower blowing box 17, which are close to the glass plate, are arc-shaped surfaces, and a plurality of blowing openings are uniformly distributed on the arc-shaped surfaces.
Further, the elastic member 16 may be one of a spring steel wire, a spring steel plate, or a carbon fiber elastic member. As shown in fig. 6-8, the elastic member 16 is made of three spring steel wires, a plurality of pressing members 161 for clamping and fixing the spring steel wires are arranged along the length direction of the elastic member 16, each pressing member 161 is composed of an upper piece and a lower piece which are fixedly connected, a groove (the groove is not shown in fig. 8) for accommodating the spring steel wire is arranged in the middle of the lower piece and is clamped by the upper piece pressed on the lower piece, the end part of the lower piece or the upper piece is provided with a groove, the groove and the extending parts 18 on the upper and lower blowing boxes 15, 17 are installed in a matching manner, one side of each of the upper and lower blowing boxes 15, 17 is provided with two extending parts 18, or only one side of each of the upper and lower blowing boxes 15, 17 is provided with two extending parts 18, and the end part of each of the extending part 18 can be provided with an expanded ball head to prevent the blowing boxes from.
The upper blow box 15 and the lower blow box 17 may be mounted between two adjacent elastic members 16 in other manners and connected to only one of the elastic members 16, for example, the connection to the elastic member 16 may be realized by a connecting plate, which may be a part of the structure of the upper blow box 15 and the lower blow box 17 or a part of the elastic member 16, and aims to suspend the upper blow box 15 and the lower blow box 17 on one side of the elastic member 16.
The height adjusting mechanism 11 may adopt a screw nut mechanism 111 driven by a motor 112, or a rack and pinion mechanism driven by a motor, or may adopt other mechanisms capable of realizing linear motion, such as an electric push rod.
Preferably, in this embodiment, the height adjustment mechanism 11 includes a screw nut mechanism 111 and a motor 112, the screw nut mechanism 111 includes a screw and a nut that are engaged with each other, one end of the screw is connected to the elastic member 16 through a connecting plate, the screw and the connecting plate are rotatably connected, the motor 112 is fixed to a motor base, the motor base is rotatably connected to the upper support beam 10 or the lower support beam 13, and the nut is driven by the motor 112 through a bevel gear pair to rotate, so as to realize linear motion of the screw.
The upper air grid longitudinal arc-changing mechanism 4 is formed by sequentially hinging a plurality of connecting plates 20 end to end, a protruding end 202 far away from a hinge point 201 is arranged on each connecting plate 20, the length direction of the protruding end 202 is perpendicular to the hinge point connecting line of the two ends of the connecting plate 20 where the protruding end is located, and preferably, the protruding end 202 is arranged along the perpendicular bisector of the two hinge point connecting lines, the protruding ends 202 of two adjacent connecting plates 20 are connected through bolts 21, the two ends of each bolt 21 are hinged with the protruding ends 202 of two adjacent connecting plates 20 respectively, each bolt 21 is connected with a nut 22 for adjusting the distance between the protruding ends 201 of the two adjacent connecting plates 20 through threads, and the end part of the upper supporting cross beam 10 is fixedly connected with the connecting plates 20.
Be equipped with two perpendicular to protrusion end 202 faces on even board 20's the protrusion end 202, and pivot 203 that can the free rotation, two pivot 203 set up from top to bottom, all are equipped with the axial shaft hole of perpendicular to pivot 203 on every pivot 203 to wear to establish bolt 21, just during the shaft hole of two pivot 203 of same height on adjacent even board 20 was worn to establish respectively at the both ends of bolt 21, the aperture in shaft hole will be greater than the bolt 21 diameter, provides the space for the activity of becoming between the arc in-process even board 20.
Of the two rotating shafts 203 on the connecting plate 20, the bolt head 211 and the nut 22 are respectively arranged on two sides of one rotating shaft 203, and the two nuts 22 are respectively arranged on two sides of the other rotating shaft 203.
The distance between the protruding ends 202 of the connecting plates 20 determines the arc radian of the upper air grid longitudinal arc-changing mechanism 4, so that before the device is used, the distance between the protruding ends 202 of the adjacent connecting plates 20 needs to be adjusted by adjusting the position of the nut 22 on the bolt 21, so as to meet the requirement of glass forming.
The connecting plate 20 may be a T-shaped connecting plate, a trapezoidal connecting plate, a triangular connecting plate, or other shapes according with the shape characteristics of the connecting plate.
As shown in fig. 11 and 12, the longitudinal forming arc-changing mechanism 7 in the forming system 3 is formed by sequentially connecting a plurality of chain plate assemblies 23 end to end through rotating shafts 2304 in a rotating manner, and adjacent chain plate assemblies 23 are connected by a single connecting rod 24; the chain plate assembly 23 comprises two fixedly connected chain plates 2301, each chain plate 2301 is provided with two shaft holes for mounting a rotating shaft 2304 and a protrusion 2313, the length direction of each protrusion 2313 is perpendicular to the connecting line of the two shaft holes, a slider adjusting mechanism is mounted between the two chain plates 2301 and comprises a lead screw 2306, a spline shaft sleeve 2308 and a slider 2307, two ends of the lead screw 2306 are rotatably connected to a top plate 2305 and a bottom plate 2310 of the chain plate assembly 23, one end of the lead screw 2306 is a hexagonal shaft 2311, the spline shaft sleeve 2308 is in threaded connection with the lead screw 2306, the spline shaft sleeve 2306 is in sliding connection with the slider 2307 through an external spline, and a key groove of the external spline is parallel to the axial direction of the lead screw 2306; one end of the connecting rod 24 is rotatably connected with the sliding block 2307, and the other end of the connecting rod 24 is rotatably connected with the adjacent lead screw 2306; an adjusting sprocket 2303 capable of receiving external power to drive the screw 2306 to rotate is disposed on the protrusion 2313, a double row sprocket 2302 is installed on the end of the rotating shaft 2304, and the adjusting sprockets 2303 and the double row sprockets 2302 of the plurality of link plate assemblies 23 are connected and rotated synchronously by a chain tensioned by a tensioning mechanism disposed on the link plate 2301.
The adjusting chain wheel 2303 drives the lead screw 2306 to rotate through a bevel gear pair 2312, and the bevel gear pair 2312 is formed by meshing a bevel gear arranged on the lead screw 2306 with a bevel gear arranged on a wheel shaft of the adjusting chain wheel 2303.
The double-row chain wheel 2302 and the adjusting chain wheel 2303 on the chain plate 2301 are in a delta-shaped layout and connected with chains, and two chains in adjacent chain plate assemblies 23 are respectively arranged on the double-row chain wheel 2302 shared by the two chain plate assemblies 23, so that the synchronous rotation of all the adjusting chain wheels 2303 is realized.
The tensioning mechanism is a tensioning wheel and a mounting seat which are arranged on the chain plate 2301, the mounting seat is L-shaped, one end of the mounting seat is provided with a long groove, the mounting seat is fixed on the plate surface of the chain plate 2301 through the matching of a screw and the long groove, the other end of the mounting seat is provided with an adjusting screw, the adjusting screw is connected with the end part of the chain plate 2301, and the mounting seat can move up and down along the long groove by adjusting the screwing-in amount of the adjusting screw so as to tension the chain.
The bottom end of the spline shaft sleeve 2308 is provided with a sliding block limiting ring, the sliding block 2307 slides downwards along the spline groove in the arc forming process of the arc changing mechanism, and after the sliding block 2307 is jacked on the sliding block for limiting and changing, the angle between adjacent chain plate assemblies 23 is maximized, and the radius of the formed arc is minimized.
The sliding blocks 2307 on all the chain plate assemblies 23 can be driven to be adjusted to the same position by adjusting external power of the chain wheel 2303, so that equal-arc adjustment is completed, and the equal-arc tempered glass production device can be used for producing equal-arc tempered glass; after the connection between the adjusting chain wheels 2303 is disconnected, the upper sliding blocks 2307 on the lead screw 2306 can be independently adjusted by adjusting the hexagonal shafts 2311 at the end parts of the lead screws 2306, so that arcs with unequal arcs are obtained after arcing, and the unequal arcs are adjusted at the moment and can be used for production of unequal arc toughened glass.
The chain plate 23 is a T-shaped chain plate, a T-shaped chain plate or a trapezoidal chain plate, or other shapes according with the characteristics of the chain plate.
A forming method of multi-curved surface toughened glass is carried out by adopting the forming equipment and comprises the following steps:
the method comprises the following steps: adjusting the transition transverse arc changing mechanism 191 in the gradual transition section 19 and the transverse forming arc changing mechanism 12 in the forming system 3 to required positions according to the radian requirements of the glass to be formed in the transverse direction, and adjusting the upper air grid transverse arc changing mechanism 9 and the upper air grid longitudinal arc changing mechanism 4 of the upper air grid group to required positions according to the radian requirements of the glass to be formed in the transverse direction and the longitudinal direction;
step two: the glass plate heated to the softening state is discharged from the heating furnace and enters a gradual transition section 19, and transverse gradual change preforming of the glass plate is completed;
step three: the glass plate enters the forming system 3 from the gradual transition section 19 and is transversely bent and formed under the dead weight;
step four: drawing two ends of the longitudinal forming arc changing mechanism 7 to a required position to finish longitudinal bending forming of the glass plate;
step five: the glass plate which is subjected to transverse and longitudinal bending forming moves in a forming system 3 in a reciprocating manner, and the upper air grid group and the lower air grid group blow air to cool the glass plate so as to finish tempering;
step six: and (3) pulling two ends of the longitudinal forming arc changing mechanism 7 to a horizontal position, lifting the upper air grid group to a set height by the lifting mechanism, and conveying the toughened glass plate out of the forming system 3.
Besides the above steps, the method for forming the multi-curved surface toughened glass can also adjust the steps on the basis of the above steps to derive two forming methods with different operations, and the two deriving methods are explained below.
In the derivation method 1, the upper air grid longitudinal arc changing mechanism 4 is not adjusted but adjusted in synchronization with the longitudinal forming arc changing mechanism 7 before the glass sheet enters the forming system 3.
The method comprises the following specific steps:
the method comprises the following steps: according to the radian requirement in the transverse direction of the glass to be molded, the transitional transverse arc changing mechanism 191 in the gradual transition section 19, the transverse molding arc changing mechanism 12 in the molding system 3 and the upper air grid transverse arc changing mechanism 9 of the upper air grid group are adjusted to required positions;
step two: the glass plate heated to the softening state is discharged from the heating furnace and enters a gradual transition section 19, and transverse gradual change preforming of the glass plate is completed;
step three: the glass plate enters the forming system 3 from the gradual transition section 19 and is transversely bent and formed under the dead weight;
step four: drawing the two ends of the longitudinal forming arc changing mechanism 7 and the upper air grid longitudinal arc changing mechanism 4 of the upper air grid group to required positions so as to finish longitudinal bending forming of the glass plate;
step five: the glass plate which is subjected to transverse and longitudinal bending forming moves in a forming system 3 in a reciprocating manner, and the upper air grid group and the lower air grid group blow air to cool the glass plate so as to finish tempering;
step six: and (3) drawing the two ends of the longitudinal forming arc changing mechanism 7 to a horizontal position, lifting the upper air grid group to a set height by the lifting mechanism 6, and conveying the toughened glass plate out of the forming system 3.
In the derivation method 2, before the glass enters the forming system 3, the end of the longitudinal forming arc changing mechanism 7 close to the outlet side of the forming system 3 needs to be drawn to a required position, because after the large-size glass plate enters the forming system 3, the temperature of the front end entering the forming system 3 is lower due to the larger longitudinal size, and at this time, if the glass plate enters the forming system 3 completely and then the longitudinal forming arc changing mechanism 7 is drawn to an arc, the front end of the glass plate is difficult to form the arc due to the lower temperature, therefore, in the method, before the glass plate does not enter the forming system 3, the end of the longitudinal forming arc changing mechanism 7 close to the outlet side of the forming system 3 is drawn to the required position, so that the problem that the front end of the glass plate is difficult to form can be avoided, and the quality of bending and forming of the large-size glass plate is improved.
The method comprises the following specific steps:
the method comprises the following steps: according to the radian requirement of the glass to be molded in the transverse direction, the transition transverse arc changing mechanism 191 in the gradual transition section 19 and the transverse molding arc changing mechanism 12 in the molding system 3 are adjusted to required positions, and according to the radian requirements of the glass plate to be molded in the transverse direction and the longitudinal direction, the upper air grid transverse arc changing mechanism 9 and the upper air grid longitudinal arc changing mechanism 4 of the upper air grid group are adjusted to required positions, and the longitudinal molding arc changing mechanism 7 is pulled to pull one end of the forming system 3 on the outlet side to the required position;
step two: the glass plate heated to the softening state is discharged from the heating furnace and enters a gradual transition section 19, and transverse gradual change preforming of the glass plate is completed;
step three: the glass plate enters the forming system 3 from the gradual transition section 19 and is transversely bent and formed under the dead weight;
step four: the drawing longitudinal forming arc changing mechanism 7 is positioned at one end of the inlet side of the forming system 3, so that the glass plate is longitudinally bent and formed;
step five: the glass plate which is subjected to transverse and longitudinal bending forming moves in a forming system 3 in a reciprocating manner, and the upper air grid group and the lower air grid group blow air to cool the glass plate so as to finish tempering;
step six: and (3) drawing the two ends of the longitudinal forming arc changing mechanism 7 to a horizontal position, lifting the upper air grid group to a set height by the lifting mechanism 6, and conveying the toughened glass plate out of the forming system 3.
By utilizing the equipment, the glass with various special-shaped curved surfaces, such as transverse single-curve glass, unequal-arc glass, longitudinal positive and negative bending single-curve glass, unidirectional double-curve glass, positive and negative bending bidirectional multi-curve glass and the like, can be produced. Different production processes can be selected according to the specific radius and arch height of the glass.
1) Production of transverse single-curved-surface, non-uniform-arc glass
The transition transverse arc changing mechanism 191, the transverse forming arc changing mechanism 12 and the upper air grid transverse arc changing mechanism 9 are all adjusted to be horizontal, the longitudinal forming arc changing mechanism 7 is laid flat, the upper air grid longitudinal arc changing mechanism 4 is adjusted to be in a required radius, after glass is discharged from a furnace and moves to a specified position of the forming system 3 through the gradual transition section 19, the lower arc forming mechanism 8 pulls the longitudinal forming arc changing mechanism 7 to enable the glass to be in an arc shape, the glass plate is in an arc shape under self weight and swings in a reciprocating mode in the forming system 3, and air blowing cooling and tempering are completed.
2) Producing longitudinal positive and negative bending single-curved glass
The transition transverse arc changing mechanism 191, the transverse forming arc changing mechanism 12 and the upper air grid transverse arc changing mechanism 9 are all adjusted to the required radius, the longitudinal forming arc changing mechanism 7 and the upper air grid longitudinal arc changing mechanism 4 are laid flat, glass is discharged from a furnace, gradually formed through a gradual transition section and enters the lower air grid position of the forming system 3, the glass plate is formed into an arc under the self weight, and the glass plate swings in the forming system 3 in a reciprocating mode and is cooled by blowing, and tempering is completed.
3) Producing a one-way hyperboloid glass as shown in fig. 17
Firstly, adjusting all the transverse forming arc changing mechanisms 12 in the forming system 3 to the required radius positions, and flatting the longitudinal forming arc changing mechanisms 7, wherein the upper air grid is adjusted to the position matched with the transverse forming arc changing mechanisms 12 in shape; then the glass plate heated to the softening state comes out of the heating furnace and enters a gradual transition section 19, the glass plate is bent and gradually formed from the transverse direction of the glass plate by the gradual transition section 19, after the glass plate after gradual change forming completely enters the forming system 3, two ends of a longitudinal forming arc changing mechanism 7 are drawn to a required position by a lower arc forming mechanism 8 to form an arc, meanwhile, an upper air grid is adjusted to a position matched with the shape of the longitudinal forming arc changing mechanism 7 in the longitudinal direction, the glass plate is formed under the self weight, and the glass plate is reciprocated, blown and cooled in the forming system 3, thus finishing the tempering.
4) Producing the glass with the front and the back directions and the multiple curved surfaces as shown in figure 18
Firstly, adjusting the transverse forming arc changing mechanism 12 in the forming system 3 to a required radius, adjusting the relative height between the transition transverse arc changing mechanism 191 and the transverse forming arc changing mechanism 12 according to the shape of the formed glass, and correspondingly adjusting the upper air grid to a position matched with the shape of the transverse forming arc changing mechanism 12; then, the glass plate heated to the softening state comes out of the heating furnace and enters a gradual transition section, the glass plate is bent and gradually formed from the transverse direction of the glass plate by the gradual transition section 19, after the glass plate after gradual change forming completely enters the forming system 3, two ends of the longitudinal forming arc changing mechanism 7 are drawn to a required position by the lower arc forming mechanism 8 to form an arc, meanwhile, the upper air grid is adjusted to a position matched with the shape of the longitudinal forming arc changing mechanism 7 in the longitudinal direction, the glass plate is formed under the self weight, and the glass plate is reciprocated, blown and cooled in the forming system 3, thus finishing the tempering.
Claims (17)
1. The utility model provides a curved toughened glass former which characterized in that: the equipment comprises a rack, a gradual transition section (19), an air grid system and a forming system (3), wherein the air grid system comprises an upper air grid group consisting of a plurality of upper air grids (2) and a lower air grid group consisting of a plurality of lower air grids, the upper air grid group is arranged at the upper half part of the rack, and the lower air grid group is arranged at the lower half part of the rack; the gradual transition section (19) is arranged at the inlet side of the forming system (3), and the gradual transition section (19) comprises a plurality of transition transverse arc changing mechanisms (191) which are arranged along the conveying direction of the glass plate, so that the glass plate is gradually changed into an arc in the transverse direction, and the glass plate after being gradually changed into the arc is sent into the forming system (3); the forming system (3) comprises two groups of longitudinal forming arc changing mechanisms (7) and a plurality of transverse forming arc changing mechanisms (12) which are arranged along the conveying direction of the glass plate.
2. The curved tempered glass forming apparatus of claim 1, wherein: the longitudinal forming arc-changing mechanism (7) is controlled by a lower arc-forming mechanism (8) to longitudinally bend and form the glass plate in the forming system (3); the transverse forming arc changing mechanism (12) is connected with the longitudinal forming arc changing mechanism (7) through a lower supporting beam (13) to perform transverse bending forming on the glass plate in the forming system (3).
3. The curved tempered glass forming apparatus of claim 2, wherein: the transverse forming arc changing mechanism (12) comprises an elastic piece (16), a plurality of height adjusting mechanisms (11) and a glass conveying mechanism (14) arranged on the elastic piece (16); the center position or the middle section of the elastic part (16) in the length direction is fixed on the lower supporting beam (13), two sides of the center position or the middle section are connected with the lower supporting beam (13) through a plurality of height adjusting mechanisms (11), and the elastic part (16) forms an arc by adjusting the height adjusting mechanisms (11).
4. The curved tempered glass forming apparatus of claim 1, wherein: the transition transverse arc changing mechanism (191) comprises an elastic piece (16), a plurality of height adjusting mechanisms (11) and a glass conveying mechanism (14) arranged on the elastic piece (16); the center position or the middle part section of the length direction of the elastic part (16) is fixed on the supporting beam, two sides of the fixed point of the elastic part are connected with the supporting beam through a plurality of height adjusting mechanisms (11), the elastic part (16) forms an arc by adjusting the height adjusting mechanisms (11), and the supporting beam is fixed on the frame.
5. The curved tempered glass forming apparatus of claim 3, wherein: the glass conveying mechanism (14) comprises a flexible shaft (141) provided with conveying wheels (142), supports (143) and a flexible shaft driving system, the flexible shaft (141) is fixed on the elastic piece (16) through the supports (143) distributed at intervals, and the flexible shaft driving system transmits power to the flexible shaft in the central area of the flexible shaft (141) in the length direction.
6. The curved tempered glass forming apparatus of claim 5, wherein: the flexible shaft (141) is parallel to the elastic piece (16).
7. The curved tempered glass forming apparatus of claim 3, wherein: the lower air grid is composed of a plurality of lower air blowing boxes (17), the plurality of lower air blowing boxes (17) are arranged between the adjacent transverse forming arc-changing mechanisms (12) along the length direction of the elastic piece (16), and the lower air blowing boxes (17) are installed on the elastic piece (16) so that the lower air blowing boxes (17) move along with the arc-changing actions of the transverse forming arc-changing mechanisms (12) and the longitudinal forming arc-changing mechanisms (7).
8. The curved tempered glass forming apparatus of claim 7, wherein: each downward blowing box (17) is provided with an independent air duct.
9. The curved tempered glass forming apparatus of any one of claims 3, 4 or 7, wherein: the elastic piece (16) is any one of a spring steel wire, a spring steel plate or a carbon fiber elastic piece.
10. The curved tempered glass forming apparatus of claim 2, wherein: the upper air grid (2) is provided with an upper air grid longitudinal arc changing mechanism (4) and an upper air grid transverse arc changing mechanism (9), the upper air grid longitudinal arc changing mechanism (4) is connected with an upper arc forming mechanism (5) arranged on the rack, and the upper air grid transverse arc changing mechanism (9) is connected with the upper air grid longitudinal arc changing mechanism (4) through an upper supporting beam (10).
11. The curved tempered glass forming apparatus of claim 10, wherein: go up horizontal variable arc mechanism (9) of air grid and include elastic component (16) and height adjustment mechanism (11), elastic component (16) length direction's central point puts or middle part one section and fixes on last supporting beam (10), and the both sides of its fixed point are passed through height adjustment mechanism (11) and are connected with last supporting beam (10), go up air grid (2) still include a plurality of upper blowing boxes (15), a plurality of upper blowing boxes (15) along elastic component (16) length direction sets up between adjacent upper air grid horizontal variable arc mechanism (9), upper blowing box (15) set up on elastic component (16) to make upper blowing box (15) move along with the variable arc action of upper air grid horizontal variable arc mechanism (9) and upper air grid vertical variable arc mechanism (4).
12. The curved tempered glass forming apparatus of claim 11, wherein: each upper blowing box (15) is provided with an independent air duct.
13. The curved tempered glass forming apparatus of claim 10, wherein: go up vertical arc mechanism (4) of air grid and articulate in proper order by a plurality of even boards (20) end to end and constitute, even have protrusion end (202) of keeping away from the pin joint on board (20), adjacent two protrusion end (202) of even board (20) are connected through bolt (21), and the both ends of bolt (21) are articulated with adjacent two protrusion end (202) of even board (20) respectively, and bolt (21) have nut (22) through threaded connection, go up the tip and even board (20) fixed connection of supporting beam (10).
14. The curved tempered glass forming apparatus of claim 13, wherein: the connecting plate (20) is a T-shaped plate, a trapezoidal plate or a triangular plate.
15. The curved tempered glass forming apparatus of claim 1, wherein: longitudinal forming arc-changing mechanism (7) in the forming system (3) is formed by sequentially and rotatably connecting a plurality of chain plate assemblies (23) end to end, a protruding portion (2313) far away from a rotating connection point is arranged on each chain plate assembly (23), adjacent chain plate assemblies (23) are connected through a connecting rod (24), a sliding block (2307) capable of sliding along the length direction of the protruding portion (2313) is arranged at one end of the connecting rod (24), and an adjusting device for adjusting the sliding stroke of the sliding block (2307) is arranged on the protruding portion (2313).
16. The curved tempered glass forming apparatus of claim 15, wherein: the chain plate (2301) in the chain plate assembly (23) is a T-shaped chain plate, a trapezoidal chain plate or a triangular chain plate.
17. The curved tempered glass forming apparatus of claim 10, wherein: the upper arc forming mechanism (5) and the lower arc forming mechanism (8) both comprise a power mechanism and a traction mechanism, the power mechanism is a motor, and the traction mechanism is a chain and chain wheel mechanism or a steel wire rope.
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| CN201920179885.4U CN209890490U (en) | 2019-02-01 | 2019-02-01 | Curved toughened glass former |
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| CN201920179885.4U CN209890490U (en) | 2019-02-01 | 2019-02-01 | Curved toughened glass former |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109748486A (en) * | 2019-02-01 | 2019-05-14 | 洛阳兰迪玻璃机器股份有限公司 | A kind of curved tempered glass molding equipment and forming method |
| CN111302611A (en) * | 2020-03-13 | 2020-06-19 | 洛阳兰迪玻璃机器股份有限公司 | Tempering forming method of spherical glass |
| CN111704349A (en) * | 2020-08-06 | 2020-09-25 | 山东泰山华岳玻璃有限公司 | Curved tempering forming device for glass deep processing |
| CN111718111A (en) * | 2020-08-13 | 2020-09-29 | 山东泰山华岳玻璃有限公司 | Multi-curve safety toughened glass forming equipment |
| CN113831006A (en) * | 2021-10-25 | 2021-12-24 | 湖北亿钧耀能新材股份公司 | Production method of saddle-shaped toughened glass |
| EP4101819A4 (en) * | 2020-03-13 | 2023-08-09 | Luoyang Landglass Technology Co., Ltd. | Rotary transition section for forming bent glass, and toughening and forming apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109748486A (en) * | 2019-02-01 | 2019-05-14 | 洛阳兰迪玻璃机器股份有限公司 | A kind of curved tempered glass molding equipment and forming method |
| WO2020156376A1 (en) * | 2019-02-01 | 2020-08-06 | 洛阳兰迪玻璃机器股份有限公司 | Forming apparatus for curved tempered glass, and forming method |
| CN109748486B (en) * | 2019-02-01 | 2023-10-03 | 洛阳兰迪玻璃机器股份有限公司 | Curved toughened glass forming equipment and forming method |
| US11897805B2 (en) | 2019-02-01 | 2024-02-13 | Luoyang Landglass Technology Co., Ltd. | Forming apparatus for curved tempered glass, and forming method |
| CN111302611A (en) * | 2020-03-13 | 2020-06-19 | 洛阳兰迪玻璃机器股份有限公司 | Tempering forming method of spherical glass |
| EP4101819A4 (en) * | 2020-03-13 | 2023-08-09 | Luoyang Landglass Technology Co., Ltd. | Rotary transition section for forming bent glass, and toughening and forming apparatus |
| CN111704349A (en) * | 2020-08-06 | 2020-09-25 | 山东泰山华岳玻璃有限公司 | Curved tempering forming device for glass deep processing |
| CN111718111A (en) * | 2020-08-13 | 2020-09-29 | 山东泰山华岳玻璃有限公司 | Multi-curve safety toughened glass forming equipment |
| CN113831006A (en) * | 2021-10-25 | 2021-12-24 | 湖北亿钧耀能新材股份公司 | Production method of saddle-shaped toughened glass |
| CN113831006B (en) * | 2021-10-25 | 2023-02-28 | 湖北亿钧耀能新材股份公司 | Production method of saddle-shaped toughened glass |
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