CN101037290B - Glass pressing forming machine - Google Patents

Glass pressing forming machine Download PDF

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Publication number
CN101037290B
CN101037290B CN200710008846XA CN200710008846A CN101037290B CN 101037290 B CN101037290 B CN 101037290B CN 200710008846X A CN200710008846X A CN 200710008846XA CN 200710008846 A CN200710008846 A CN 200710008846A CN 101037290 B CN101037290 B CN 101037290B
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air cushion
air
piece
gas heating
platform
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CN200710008846XA
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CN101037290A (en
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福原康太
张小荣
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Fuyao Glass Industry Group Co Ltd
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Fuyao Glass Industry Group Co Ltd
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Abstract

A glass plate pressing-molding machine relates to a glass plate molding apparatus, including a support mechanism, an upper die, a lower die, an upper die supporting and moving mechanism, a lower die supporting and moving mechanism, air cushion platform which is composed of air heating case, air cushion block, and mound layer. The air heating case discharge outlet of the air cushion platform detachably installs a plurality of air cushion block, and the cushion block plate has ejecting aperture, and the surface of the air cushion platform is put together by air cushion block. Another project is: Also installed blind plate which has no aperture can partly substitute the air cushion block. The apparatus makes single air cushion block put together the air cushion platform. It saves frock cost because it only needs to change the position of a single air cushion block based on the glass figure but not needs to change the whole air cushion platform when changing the variety of the machine. Meanwhile, the blind plate saves the energy source and improves the availability ratio of energy source and reduces the production cost owing to exhausting the thermal current in the molding machine for recovery by an exhauster.

Description

Glass pressing forming machine
Technical field
The present invention relates to a kind of shaping glass sheets device.
Background technology
Introduced a kind of glass pressing forming equipment in the U.S. Pat 4508556, comprised the vacuum patrix, counterdie, upper and lower mould actuating mechanism, air cushion platform.The top panel that air cushion platform structure is casing, inlet mouth, case internal heating plate, have intensive many jet holes is formed.The sheet glass that is heated to softening temperature from process furnace enters behind the shaper by the air cushion transmission, and behind two scalable steady brace Locating Glass plates, counterdie jack-up sheet glass and patrix are by suppressing shaping glass sheets.The air cushion platform that this shaper uses is a whole air cushion platform, therefore must change again according to the shape area size of glass when changing the glass kind, has increased the frock cost; In addition, the warm air that the air cushion platform produces does not have recycle, has wasted the energy.
Summary of the invention
The purpose of this invention is to provide a kind of glass pressing forming machine, by air cushion transmission glass plate, the air cushion platform that produces air cushion does not need to change when changing the sheet glass kind in shaper; And function with recycling air cushion hot gas.
Technical scheme of the present invention is, a kind of glass pressing forming machine, comprise that supporting mechanism, upper die and lower die, patrix support and running gear, counterdie support and running gear, air cushion platform, air cushion platform be made up of gas heating case, air cushion piece, press strip, detachable on the gas heating case air outlet of air cushion platform a plurality of air cushion pieces are installed, air cushion piece panel has jet hole.The air cushion piece is spliced to form the air cushion table top.
Another kind of scheme is: also be provided with the blind plate piece and can partly replace the air cushion piece, blind plate piece panel atresia.
The invention has the advantages that glass pressing forming machine adopts one air cushion piece to be spliced to form the air cushion platform, the position that only needs to adjust single air cushion piece according to glass shape area size when changing kind gets final product, do not need to change whole air cushion platform, can shorten greatly to produce and prepare debugging cycle, save the frock cost; Being provided with of blind plate piece saved the energy simultaneously, adopted air extractor that hot gas flow in the shaper is drawn back again and utilized, and improved energy utilization rate, reduced production cost.
Description of drawings
Fig. 1 is the schematic perspective view of glass pressing forming machine.
Fig. 2 is the front elevational schematic of glass pressing forming machine.
Fig. 3 is the schematic side view of glass pressing forming machine.
Fig. 4 is counterdie, air cushion platform, gas heating case schematic perspective view.
Fig. 5 is air cushion platform shell and gas heating container schematic perspective view, and wherein part is a sectional view.
Fig. 6 is an air cushion piece schematic perspective view.
Fig. 7 is the steady brace cross-sectional schematic.
Fig. 8 is the another kind of scenario-frame synoptic diagram of the present invention
In Fig. 1,2,3,, used dotted line to represent secondary induced exhaust 84 in order more to clearly illustrate other parts.
Embodiment
Glass pressing forming machine of the present invention comprises supporting mechanism 1, patrix 2, counterdie 3, patrix support and running gear 4, counterdie support and running gear 5, air cushion platform 6, gas heating case 7, air extractor 8.
Supporting mechanism 1 is the support structure part of entire equipment, preferably uses rectangular cylindricality framework, and its intensity is enough to support whole shaper.
The air cushion platform is made up of gas heating case, air cushion piece, blind plate piece, press strip.
Gas heating case 7 provides hot gas for air cushion platform 6.Gas heating case 7 is fixedly installed on the supporting mechanism 1, has inlet mouth 73 and air outlet 74.Inlet mouth 73 can be provided with one or more, preferably uses two.Air outlet 74 is provided with a plurality of, such as every 0.01m 2Diameter 3～7cm air outlet 74 is set.Whole gas heating case 7 is divided into main tank 71 and two side casees 72, and main tank is divided into the epicoele 75 and the cavity of resorption 76 of connection again by hot-plate, and side case 72 communicates with the cavity of resorption 76 of main tank 71.Inlet mouth 73 is opened on side case 72.Adopt the structure that detours in the gas heating case 7, prolong gas, so that gas heating is arrived comparatively high temps by the path.Be provided with the many places heating installation in the gas heating case 7, the hot-plate in main tank, be provided with many electrical heating wires in the side case 72 that gas enters, the cavity of resorption 76 back gases that enter main tank 71 need be walked around hot-plate 77 and just can enter epicoele 75 and flow out air outlets 74.Hot-plate 77 lamina rara externas are electrical insulating boards, interior cover electrical heating wire.The top board 78 of main tank 71 produces distortion owing to have a large amount of air outlet 74 in order to prevent the high temperature lower roof plate, is being provided with many strap stiffeners 79 between the air outlet 74 on the case medial surface of top board 78.In main tank 71 epicoeles 75 of gas heating case 7 at least one place temperature measuring equipment is set and comes the detected gas temperature, and regulate heating power according to detected result, this temperature measuring equipment can be a thermopair, and the gas heating case is communicated with blower conduits.
Air cushion piece 61 has smooth quadrate air cushion piece panel 62 and base plate 63, has a plurality of jet holes 64 on the air cushion piece panel 62, such as every 0.01m 2Open 3～9 diameter 0.5cm jet holes 64, preferably use 4.Have air inlet port on the base plate 63, the size of the air inlet port of base plate is with the sizableness of the air outlet 74 of gas heating case 7 and corresponding.Air cushion piece panel 62 is connected by a straight pipe 66 with base plate 63, makes the air inlet port connection of the jet hole 64 of air cushion piece panel 62 with base plate 63.Air cushion piece 61 is movably attached on the gas heating case 7.When air cushion piece 61 is installed, air inlet port on the base plate 63 is aimed at placement with the air outlet 74 of gas heating case 7, keep the space between the air cushion piece panel 62 of per two air cushion pieces 61, its objective is provides gas backstreaming to arrive passage between the air cushion piece 61 when forming air cushion.After placement finishes, push down at the seam crossing use press strip of two exhaust cushion blocks, 61 base plates 63, the press strip two ends are fixed on the gas heating case 7, the position of air cushion piece 61 just is fixed no longer mobile.Press strip removably connects with adopting between the gas heating case 7, connects such as bolt.Air cushion piece 61 after the arrangement constitutes air cushion platform 6.If reserve the space in certain, do not use air cushion piece 61, just using with air cushion piece 61 base plates 63 same thickness, overall size does not still have the blind plate piece 87 of the blind plate of perforate to cover the air outlet 74 of gas heating case 7 herein.Air cushion piece 61 also can adopt other design that air cushion gas backstreaming passage is provided, such as air cushion piece panel 62 chamferings with air cushion piece 61, need not stay the gap in addition between the air cushion piece panel 62 during splicing, reflux in the space that air cushion gas can form after air cushion piece panel 62 chamferings.
According to the set that downtrodden glass sheet shape selects to install air cushion piece and blind plate piece,, save the frock cost if homalographic model difference as long as adjust air cushion piece corresponding position, needn't be made the air cushion platform in addition.If the sheet glass area is little, then the air cushion set of blocks area of its corresponding area is then little, and blind plate set of blocks area is then big, reduces unnecessary hot gas projected area, save energy.
Counterdie 3 adopts annular die (modular ring 31), and modular ring 31 profiles and upper surface profile are all followed the sheet glass unanimity of design.Modular ring 31 uses heat resistance fiber cloth parcel, such as glasscloth.The support of counterdie 3 and move through that counterdie supports and running gear 5 is realized.Counterdie supports and running gear 5 comprises mould bases 51, guide wheel 53, guide rail 54, transmission mechanism and power set down.Counterdie 3 is installed in down on the mould bases 51.Following mould bases 51 comprises upper and lower two-layer framework, connects by connecting rod 52.Connecting rod 52 is from the outside process of gas heating case 7.Be installed in down guide wheel 53 on lower floor's framework of mould bases 51 with 54 contacts of the guide rail on the column that is fixed on supporting mechanism 1, following mould bases 51 can be along guide rail 54 vertical liftings.The lifting of following mould bases 51 drives the lifting of counterdie 3, and following mould bases 51 drives counterdies 3 and is in when being lower than in the air cushion platform 6 retracted position, and air cushion piece 61 is not installed in counterdie 3 positions, uses the air outlet 74 of blind plate 87 blanketing gas heating containers 7.The power set that moves through of following mould bases 51 realizes that such as motor (not shown in the accompanying drawing), transmission mechanism is transferred to down mould bases 51 with the rotation of motor.This transmission mechanism is cross diverter 55 and the screw mandrel 56 that links together.The rotation axis of motor is connected to down on the mould bases 51 by screw mandrel 56 by cross diverter 55 again.In order accurately to control the amount of movement of mould bases 51 down, power set is preferably used servomotor.Because moving up and down of counterdie 3 generally is fixed journey system, therefore also can uses cylinder to be connected to down on the mould bases 51 and drive.
Owing to adopted the air cushion transmission in shaper, moving of sheet glass just is not easy control, therefore needs special locating device to come to locate to sheet glass.The preferred steady brace 32 that uses, according to the moulding process requirement, the downstream side that is installed in modular ring 31 uses two or more a plurality of along last or suitable position.Consider that counterdie 3 need catch up with mould 2 and suppress, it is telescopic just requiring steady brace 32.Steady brace 32 is made of three parts: outer sleeve 33, spring 34, pin 35, and the root of pin 35 and spring 34 are inserted in the outer sleeve 33, and spring 34 is positioned at outer sleeve 33 bottoms, and pin 35 is pressed on the spring 34 and stretches out from the opening of outer sleeve 33 upper ends.Steady brace 32 vertically is installed in the edge of modular ring 31, and sleeve 33 is in the height that is no more than modular ring 31 upper surfaces.Counterdie 3 is during near patrix 2, and the extruding of patrix 2 can make steady brace 32 shrink, and does not influence the relative movement of patrix 2, counterdie 3.For better Locating Glass plate, can the dual-side of modular ring 31 along on also use steady brace 32, every side at least one.Also use in the side under the situation of steady brace 32, glass must guarantee that when entering shaper the microcephaly is preceding.
Patrix 2 is an evacuated mould, comprises pressing mold 21, back up pad 22 and outlet pipe 24.Pressing mold 21 calcaneus branches faggings 22 link together hermetically.Lower die face 23 has the profile that the profile of sheet glass with design matches.Have a plurality of apertures on the lower die face 23, an opening is arranged on the back up pad 22, connect an outlet pipe 24 on the opening, the opening on the aperture calcaneus branches fagging 22 on the lower die face 23 directly communicates by die cavity.Lower die face 23 uses heat resistance fiber cloth to cover, such as glasscloth.Be provided with heating unit in patrix 2 die cavitys,, regulate the temperature of control patrix 2 such as electrical heating wire.In the die cavity and outer wall respectively establish temperature measuring equipment, such as thermopair, detect the temperature of mold cavity and outer wall, and regulate the heating power of die cavity internal heating element according to measuring result, keep the temperature of mould in the moulding process requirement.The support of patrix 2 and move through that patrix supports and running gear 4 is realized.Patrix supports and running gear 4 comprises top mold frame 41, guide wheel 43, guide rail 44, transmission mechanism and power set.Patrix 2 is installed on the top mold frame 41.Top mold frame 41 comprises upper and lower two-layer framework, connects by connecting rod 42.The guide wheel 43 that is installed on lower floor's framework contacts with the guide rail on the column that is fixed on supporting mechanism 1 44, and top mold frame 41 can be along guide rail 44 vertical liftings.The lifting of top mold frame 41 drives the lifting of patrix 2.The mobile proximate mechanism of mould bases 51 is down followed in the mobile employing of top mold frame 41.The power set that moves through of top mold frame 41 realizes, such as motor, the rotation of motor is transferred to top mold frame 41 by transmission mechanism.This transmission mechanism is cross diverter 45 and the screw mandrel 46 that links together.The rotation axis of motor is connected on the top mold frame 41 by screw mandrel 46 by cross diverter 45 again.In order accurately to control the amount of movement of top mold frame 41, power set is preferably used servomotor.Because moving about the patrix generally is fixed journey system, therefore also can uses cylinder to be connected on the top mold frame 41 and drive.
Air extractor 8 comprises main air draft 81, centrifugal blower and backwind tube 83.Outlet pipe 24 hermetic seal sockets on main air draft 81 and the patrix back up pad 22, this socket allows relatively moving on a small quantity of main air draft 81 and outlet pipe 24, still keeps the sealing socket between two pipes when guaranteeing that patrix 2 is a spot of and vertically moving up and down.Backwind tube 83 is divided into two-way and extends downwards then.Backwind tube 83 is tightly connected with between the main air draft 81.In main air draft 81 exits, backwind tube 83, be provided with centrifugal blower (not shown in the accompanying drawing).Two outlets of backwind tube 83 are connected to two inlet mouths 73 of gas heating case 7.Will extract the gas in patrix 2 die cavitys during centrifugal blower work out, force gas to flow out, make and form negative pressure in patrix 2 die cavitys from backwind tube 83.In order further to make the adjustable in pressure under the air cushion piece 61, the pressure that prevents air cushion layer is crossed ambassador's sheet glass middle part and is heaved, and more effectively utilizes the air cushion hot gas, and the hot gass that two secondary induced exhausts 84 extract under the air cushion pieces 61 are set.Install an air cushion platform shell 85 around air cushion platform 6 additional, this air cushion platform shell 85 is tightly connected with gas heating case 7, seals the air cushion platform 6 following part of upper surface on every side, and air cushion platform shell 85 upper surfaces and air cushion platform 6 keep same height or low slightly.At the upstream side of shaper, the connecting rod 52 of following mould bases 51 passes the base plate of air cushion platform shell, one axle sleeve is set passing the position, and connecting rod 52 is entangled in the airtight feud of axle sleeve, and connecting rod 52 can freely move up and down in axle sleeve.Downstream side at shaper, the cross bar of the upper strata framework of following mould bases 51 can pass air cushion platform shell 85, and vertical openings allows the cross bar of upper strata framework to move up and down on the air cushion platform shell 85, adopts flexible sealing to seal opening, neither influence the motion of cross bar, also can avoid hot gas flow to leak.At air cushion platform shell 85 upper surfaces two openings being set is tightly connected with two secondary induced exhausts 84.Two secondary induced exhausts 84 insert main air draft 81 through being flowed to a collecting pipe 86 after the forming room 11.Provide draft by the centrifugal blower in the backwind tube 83 to secondary induced exhaust 84.In order to regulate draft size in the secondary induced exhaust 84, can on collecting pipe 86, regulated valve be set, such as butterfly valve.In order further to make the air pressure in the forming room 11 adjustable, prevent that forming room's 11 internal pressures are excessive, can on secondary induced exhaust 84 walls, opening be set, and adjustable plate is set simultaneously regulates aperture and regulate the exhausting amount.
On six faces of supporting mechanism 1, all use plate to seal shaper, constitute the forming room 11 of sealing, prevent that heat from leaking.All leave opening for glass turnover at the upstream and downstream of shaper end, these openings all are provided with can the movable door that opens and closes, glass by the time open, other times are closed.
Sheet glass is heated to the above temperature of softening temperature earlier in process furnace, be transferred to shaper.Transmission face before the shaper is than the 6 high 3～5mm of air cushion platform in the shaper.Shaper upstream extremity dodge gate is opened, and sheet glass enters shaper, and dodge gate is closed then.Sheet glass relies on inertia to continue to move on air cushion layer, regulates cushion pressure, and the feed glass plate leaves air cushion platform 3～5mm, runs into steady brace 32 back sheet glass and stops to move.Counterdie 3 jack-up sheet glass are caught up with between the mould 2 and are suppressed shaping glass sheets.The running of centrifugal blower makes the interior negative pressure that forms of patrix 2 die cavitys hold sheet glass, and counterdie rolls back retracted position 3 times.Shaper downstream end dodge gate is opened, and transmitting device enters sheet glass is shifted out shaper, and dodge gate is closed.This transmitting device can be arranged on the removable transmitting device that has a transmission ring in shaper downstream, and this device can move along sheet glass direction of motion.The transmission ring of transmitting device and shaper counterdie 3 modular rings 31 have same shape.Transmitting device should transmit ring and be sent to below the patrix 2, and centrifugal blower stops operating, and patrix 2 negative pressure discharge, and sheet glass falls on the transmission ring then that transmitting device shifts out shaper with sheet glass, carries out the processing of next step.If the insufficient space of patrix below 2 enters to hold transmitting device, then after the moulding patrix 2 is promoted a segment distance straight up.The heating power of adjustments of gas heating container 7 remains on more than 580 ℃ the air cushion gas temperature; Regulate the heating power of patrix, lower die face 23 temperature of patrix are remained on more than 250 ℃.

Claims (10)

1. glass pressing forming machine, comprise supporting mechanism (1), patrix (2), counterdie (3), patrix support and running gear (4), counterdie support and running gear (5), air cushion platform (6), it is characterized in that air cushion platform (6) is made up of gas heating case (7), air cushion piece (61), press strip, detachable installation a plurality of air cushion pieces (61) are gone up in gas heating case (7) air outlet (74) of air cushion platform (6), air cushion piece panel (62) has jet hole (64), and air cushion piece (61) is spliced to form air cushion platform (6) face.
2. glass pressing forming machine according to claim 1, it is characterized in that described air cushion piece (61) has smooth quadrate air cushion piece panel (62) and base plate (63), have a plurality of jet holes (64) on the air cushion piece panel (62), have the air inlet port corresponding to gas heating case (7) air outlet (74) on the base plate (63), air cushion piece panel (62) is connected by a straight pipe (66) with base plate (63).
3. glass pressing forming machine according to claim 1, it is characterized in that described gas heating case (7) is fixedly installed on the supporting mechanism (1), comprise main tank and side case, have a plurality of inlet mouths and a plurality of air outlet (74), main tank is divided into the epicoele and the cavity of resorption of connection by hot-plate, and the side case communicates with the cavity of resorption of main tank, is provided with heating unit in the side case, inlet mouth is opened on the side case, and open on the top board of main tank air outlet (74).
4. glass pressing forming machine according to claim 1 is characterized in that being provided with many strap stiffeners between the air outlet (74) on the case medial surface of described gas heating case (7) main tank top board.
5. glass pressing forming machine according to claim 1 is characterized in that air cushion piece (61) is fixed on the gas heating case (7) by press strip.
6. glass pressing forming machine, comprise supporting mechanism (1), patrix (2), counterdie (3), patrix supports and running gear (4), counterdie supports and running gear (5), air cushion platform (6), it is characterized in that air cushion platform (6) is by gas heating case (7), air cushion piece (61), blind plate piece (87), press strip is formed, the detachable a plurality of air cushion pieces (61) of installing are gone up in gas heating case (7) air outlet (74) of air cushion platform (6), the blind plate piece, air cushion piece panel (62) has jet hole (64), blind plate piece (87) panel is with air cushion piece (61) base plate (63) same thickness, but the overall size atresia, air cushion piece (61) and blind plate piece (87) are spliced to form air cushion platform (6) face.
7. glass pressing forming machine according to claim 6, it is characterized in that described air cushion piece (61) has smooth quadrate air cushion piece panel (62) and base plate (63), have a plurality of jet holes (64) on the air cushion piece panel (62), have the air inlet port corresponding to gas heating case (7) air outlet (74) on the base plate (63), air cushion piece panel (62) is connected by a straight pipe (66) with base plate (63).
8. glass pressing forming machine according to claim 6, it is characterized in that described gas heating case (7) is fixedly installed on the supporting mechanism (1), comprise main tank and side case, have a plurality of inlet mouths and a plurality of air outlet (74), main tank is divided into the epicoele and the cavity of resorption of connection by hot-plate, and the side case communicates with the cavity of resorption of main tank, is provided with heating unit in the side case, inlet mouth is opened on the side case, and open on the top board of main tank air outlet (74).
9. glass pressing forming machine according to claim 6 is characterized in that being provided with many strap stiffeners between the air outlet (74) on the case medial surface of described gas heating case (7) main tank top board.
10. glass pressing forming machine according to claim 6 is characterized in that air cushion piece (61), blind plate piece (87) are fixed on the gas heating case (7) by press strip.
CN200710008846XA 2007-04-19 2007-04-19 Glass pressing forming machine Active CN101037290B (en)

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Application Number Priority Date Filing Date Title
CN200710008846XA CN101037290B (en) 2007-04-19 2007-04-19 Glass pressing forming machine

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CN101037290B true CN101037290B (en) 2010-04-21

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101423323B (en) * 2008-11-21 2010-12-22 胡伟 Shaping method and apparatus of non-plane surface glass products

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1535252A (en) * 2001-10-06 2004-10-06 舱壁玻璃公司 Method and device for non-contact moulding of fused glass gobs
CN201024132Y (en) * 2007-04-19 2008-02-20 福耀玻璃工业集团股份有限公司 Glass plate pressing moulding machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1535252A (en) * 2001-10-06 2004-10-06 舱壁玻璃公司 Method and device for non-contact moulding of fused glass gobs
CN201024132Y (en) * 2007-04-19 2008-02-20 福耀玻璃工业集团股份有限公司 Glass plate pressing moulding machine

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