The equipment of preparation single curved surface toughened glass
The present invention relates to the preparation of single curved surface toughened glass, particularly in horizontal roller formula glass tempering equipment, use arc roller bed or set up the equipment that running roller prepares single curved surface toughened glass at cooling section.
Toughened glass is a kind of high-intensity shatter proof glass, and along with expanding economy, it obtains use more and more widely.In the working method of toughened glass, it is the most advanced to belong to horizontal tempering technology at present, when using this processing method to process crooked toughened glass, generally be that the glass that heats is sent into forming room, use earlier the mould bent into shape, or promote release, drop on the mould, by dead load forming; Then, deliver to cooling section and carry out tempering again, its shortcoming is the device structure complexity, and only can process 1~2 sheet glass at every turn, so efficient is low, and the cost height.
The objective of the invention is to overcome the deficiency that existing preparation toughened glass technology exists, a kind of equipment of improved preparation single curved surface toughened glass is provided.
One of equipment of the present invention is for can directly send into the glass that heats cooling section, make it at the shaping limit, lonely face roller-way top of cooling section tempering, the motion of glass on roller-way can be the swing of twocouese, can also be single main to conveying, wherein lonely face roller-way is salty by steel pipe processing system, load onto the tetrafluoroethylene lasso of different diameter at its axial direction due cover, make the bus of lasso form a camber line identical, so that obtain shape accurately after the glass bending moulding with the glass bending radius.
At the single curved surface toughened glass of radius-of-curvature less than 1000mm, in the middle of heating zone and tempering section, be provided with the lonely face roller-way (1) of 4-8 root transition, lasso (2) the bus extended line of the lonely face roller-way of transition (1), carry out the transition to the identical of last root by first near linear with glass (3) lower surface curvature, the top of a transition arc roller bed (4) in the end, corresponding press-bending roller-way (5) is housed, the extended line of last lasso (2) bus of press-bending roller head (5) the then curvature with glass (3) upper surface is identical, and the gap of the lasso (2) of arc roller bed (1) correspondence is the thickness of glass (3) up and down.
Two of equipment of the present invention is to install running roller additional in the middle of the draught distributing box of air grid, and top is the servo-actuated running roller, and what following bellows were adorned is to carry running roller, and the flat transmission belt friction drive below it is leaned in the motion of conveying running roller; Reliable for guaranteeing motion, there is one to be with elastic support roller that transmission belt is pressed on the power wheel below each conveying running roller, the conveying running roller of each draught distributing box is connected in series each transmission shaft by multidirectional shaft coupling by an electric motor, for ease of adjusting the rate of tension of transmission belt, the belt drives wheel support is made adjustable.
Three of equipment of the present invention is last, each draught distributing box of following air grid is flexible connection, on each draught distributing box intermediary axle, the identical running roller of diameter is housed, running roller on the following air grid can rotate by carrying running roller to drive, running roller on the last air grid then is the servo-actuated running roller, before glass enters air grid, on, following air grid all is plane, when the glass that heats enters air grid, on, following air grid begins blowing, and the running roller under the glass quilt on the air grid drives and is fed forward, meanwhile, on, following air grid closure, each draught distributing box is formed the cambered surface identical with glass surface curvature under cylinder drives, when air grid is closed, because the restriction of limited block, make, the gap of lower roll wheel just equals the thickness of glass, make glass in air grid while being bent by tempering, glass be bent tempering and the cooling after, on, following air grid separates, and returning to planely, glass is admitted to gets fragment.
The invention has the advantages that: equipment is simple, and every stove can be processed multi-disc glass simultaneously, the production efficiency height, and cost can greatly reduce.
Below in conjunction with drawings and Examples the present invention is described further.
Fig. 1 is a vertical view before the arc roller bed of present device one is shaped;
Fig. 2 is a synoptic diagram after the arc roller bed of present device one is shaped;
Figure a is the bellows front view of present device two;
Figure b6 is the bellows vertical view of present device two;
Fig. 4 is a synoptic diagram after the bellows of present device two are shaped;
Fig. 5 is a synoptic diagram before the running roller of present device three is shaped;
Fig. 6 is a synoptic diagram after the running roller moulding of present device three.
Each label is expressed as respectively among the figure:
1, roller-way, 2, the tetrafluoroethylene lasso, 3, glass, 4, last root transition roller-way, 5, press-bending roller-way, e, draught distributing box, 7, the belt drives wheel support, 8, the belt steering wheel, 9, carry running roller, 10, transmission belt, 11, wind is chewed, 12, go up air grid, 13, air grid down, 14, blowing mouth, 15, transmission shaft, 16, running roller, 17, driving wheel, 18, the servo-actuated running roller, 19, limited block, 20, gag lever post, 21, web plate.
Equipment one of the present invention can be as shown in Figure 1 and Figure 2.The glass 3 that heats is directly sent into cooling section, make it at shaping limit, cooling section arc roller bed 1 top tempering, arc roller bed 1 is processed into by steel pipe, load onto the tetrafluoroethylene lasso 2 of different diameter at its axial direction due cover, make the bus of lasso 2 form one with the identical camber line of glass 3 bending radius so that obtain accurate shape after glass 3 brake formings.
In equipment one of the present invention, as shown in Figure 2 for the single curved surface toughened glass of radius-of-curvature less than 1000mm, because sinuousness is bigger, can do following improvement on the preceding method basis: (1) goes out between end and the tempering section to install 4-8 root transition arc roller bed 1 additional in heating zone, the diameter of the tetrafluoroethylene lasso 2 of suit is big by the little both sides, centre that first onesize carries out the transition to last root gradually on the transition arc roller bed 1, and is in full accord with the curvature that glass 3 requires; In the end the top of a transition arc roller bed 4 installs a press-bending roller-way 5 additional, so that glass 3 brake formings enter the tempering section then, for reduce the cooling naturally of glass 3 as far as possible, transition arc roller bed 1 is contained in the casing that thermal insulation layer arranged.
Equipment two of the present invention is shown in Fig. 3 a and Fig. 3 b, in the middle of the draught distributing box 6 of air grid, install running roller 16 additional, top is servo-actuated running roller 18, what following bellows were adorned is to carry running roller 9, carry the motion of running roller 9 to drive by flat transmission belt 10 frictions below it, for guaranteeing reliable transmission, there is one to be with elastic support roller that transmission belt 10 is pressed on the conveying running roller 9 below each conveying running roller 9, the conveying running roller 9 of each draught distributing box 6 is connected in series transmission shaft separately by multidirectional shaft coupling by an electric motor, become for ease of the tensioning of adjusting transmission belt 10, belt drives wheel support 7 is arranged to adjustable; Carry the resistant to elevated temperatures tetrafluoroethylene of running roller 9 usefulness to make.
Equipment two its concrete steps of the present invention as shown in Figure 4, to go up the draught distributing box 6 of air grid 12 earlier adjusts by the interior surface curvature radius of processed glass, and be fixed together, following air grid 13 then is a variable curvatureization, before glass 3 enters air grid, it is plane, so that the entering of glass 3, after the glass 3 that heats entered air grid, quilt was to conveying, meanwhile on conveying running roller 9, on, following air grid 12,13 is closed in opposite directions, the draught distributing box 6 on following air grid 13 both sides is upturned under cylinder promotes, and the draught distributing box 6 with last air grid 12 matches respectively, is provided with limited block 19 on each draught distributing box 6, make, the spacing of following bellows upper roll wheel 16 is the thickness of glass 3 just, in the closed press-bending glass 3 of this air grid, chew 11 to glass 3 jet-stream winds by wind, make glass 3 obtain tempering and cooling.
Three of equipment of the present invention is that each draught distributing box 6 of upper and lower air grid 12,13 is flexible connection, on each draught distributing box 6 intermediary axle, the identical running roller of diameter 16 is housed, and the running roller 16 on the following air grid 13 is driven and can be rotated by driving wheel 17, and 16 of the running rollers of last air grid 12 are servo-actuated running roller 18; Before glass 3 enters air grid, last air grid 12, following air grid 13 all is plane, when the glass 3 that heats enters air grid, on, following air grid 12,13 begin blowing, running roller 16 under glass 3 quilts on the air grid 13 drives and is fed forward, meanwhile, on, following air grid 12,13 closures, each draught distributing box 6 is formed and the identical cambered surface of glass 3 surface curvatures under cylinder drives, when air grid is closed because the restriction of limited block 19, make, the gap of lower roll wheel 16 just equals the thickness of glass 3, make glass 3 in air grid while being bent by tempering, glass 3 be bent tempering and the cooling after, on, following air grid 12,13 separate, and return to planely, and glass 3 is admitted to gets fragment.
Equipment two has something in common with equipment three, promptly all be to install running roller 16 on draught distributing box 6 additional, and difference is:
1, vertical orientation of draught distributing box 6 is consistent with glass 3 direction of motion in the equipment two, and vertical orientation of equipment three draught distributing boxs 6 is vertical mutually with glass 3 direction of motion.
2, the axial and draught distributing box 6 of draught distributing box 6 upper roll wheels 16 is vertically vertical in the equipment two, and axial and draught distributing box 6 vertical consistencies of draught distributing box 6 upper roll wheels 16 in the equipment three.
3, equipment two is suitable for processing the product of long axis direction bending, and equipment three then is suitable for being used for processing the product of short-axis direction bending.