CN108947215A - A kind of inert gas shielding method of curve glass forming apparatus - Google Patents
A kind of inert gas shielding method of curve glass forming apparatus Download PDFInfo
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- CN108947215A CN108947215A CN201811147418.XA CN201811147418A CN108947215A CN 108947215 A CN108947215 A CN 108947215A CN 201811147418 A CN201811147418 A CN 201811147418A CN 108947215 A CN108947215 A CN 108947215A
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- inert gas
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- 239000011261 inert gas Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000007496 glass forming Methods 0.000 title claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 86
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims description 38
- 238000010791 quenching Methods 0.000 claims description 33
- 238000007599 discharging Methods 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000002045 lasting effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 8
- 239000001301 oxygen Substances 0.000 abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 abstract description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 89
- 229910052757 nitrogen Inorganic materials 0.000 description 35
- 229910001873 dinitrogen Inorganic materials 0.000 description 19
- 208000002925 dental caries Diseases 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000013003 hot bending Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 206010021143 Hypoxia Diseases 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 2
- 230000007954 hypoxia Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000003666 anti-fingerprint Effects 0.000 description 1
- -1 as smart phone Substances 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of inert gas shielding methods of curve glass forming apparatus; curve glass forming apparatus includes that tunnel heating, inert gas source, closed mold enter channel and closed mold cooling duct; tunnel heating includes that furnace body and main propeller machine structure, furnace body include an inlet and an outlet; it include die channel in the burner hearth of furnace body, die channel connects the entrance and exit of furnace body；Mold enters channel and the entrance of furnace body connects, and mold enters the inlet in channel and exit is respectively equipped with sealed gate；The outlet of mold cooling duct and furnace body connects, and the inlet and exit of mold cooling duct are respectively equipped with sealed gate；Inert gas source, which enters respectively to burner hearth, mold in the cavity in channel and the cavity of mold cooling duct, to be supplied.Mold of the invention will pass through closed channel before and after access tunnel formula heating furnace, and inert gas consumption is small, oxygen content is small in high temperature cavity, mold and auxiliary material be not oxidizable, long service life.
Description
Technical field]
The present invention relates to curve glass forming apparatus more particularly to a kind of inert gas shielding sides of curve glass forming apparatus
Method.
Background technique]
Bend glass has many advantages, such as frivolous, transparent clean, anti-fingerprint, and has on using characteristic that high face value, sense of touch be good, volume
Outer performance gain etc. items superior function, therefore market appeal use 3D glass production various electronic products, as smart phone,
Tablet computer, display screen etc..
Curved surface hot bending of the hot-bending machine for glass is processed, and the mold and corresponding auxiliary material in high-temperature burner hearth are under the high temperature conditions very
It is oxidized fastly, service life is short.
Patent No. CN201620095932.3 utility model discloses a kind of hot-bending machine, including burner hearth, is located in burner hearth
Supporting seat and driving means；Inert gas is filled in the burner hearth；It is formed on the supporting seat along its width direction
Several rest areas for being arranged successively and being used to place for mold；The driving means is used to push along the length direction of supporting seat
Mold；Length direction in the burner hearth along supporting seat is disposed with preheating station, shaping station, annealing station；It is described to hold
Putting seat includes the first fever section positioned at shaping station；The shaping station is additionally provided with first above the first fever section
Heat generating device；The hot-bending machine further includes the first power part；The lower end of first heat generating device is formed with for pressing mould
Has and is used to transmit to mold the pressure surface of heat.Although the hot-bending machine of the utility model uses the intracavitary mould of inert gas shielding heat
Tool and corresponding auxiliary material are not oxidized under the high temperature conditions, improve the service life of mold and auxiliary material, but tunnel heating chamber
Body structure is integral type cavity body structure, two-port be it is open, sealing structure performance is low, and oxygen is from the both ends of tunnel heating
It enters in cavity；Inert gas persistently inflates use, and inert gas consumption is big, and intracavitary deoxygenation function is poor, and mold cannot obtain
It is short to duration protection, auxiliary material replacement cycle.
Summary of the invention]
Oxygen content is small in a kind of the technical problem to be solved in the present invention is to provide inert gas consumptions small, heating cavity, mold
The inert gas shielding method of long curve glass forming apparatus with the auxiliary material service life.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that, a kind of curve glass forming apparatus it is lazy
Property air protection method, curve glass forming apparatus include that tunnel heating, inert gas source, closed mold enter channel
With closed mold cooling duct, tunnel heating includes that furnace body and main propeller machine structure, furnace body include an inlet and an outlet, furnace body
Burner hearth in include die channel, die channel connect furnace body entrance and exit；Mold enters channel and the entrance of furnace body connects
It connects, mold enters the inlet in channel and exit is respectively equipped with sealed gate；The outlet of mold cooling duct and furnace body connects,
The inlet and exit of mold cooling duct are respectively equipped with sealed gate；Inert gas source enters to burner hearth, mold logical respectively
It is supplied in the cavity in road and the cavity of mold cooling duct.
Above-described inert gas shielding method, including quench chamber, discharging conveyor belts and feeding mechanism, feeding mechanism position
Enter the inlet in channel in mold, discharging conveyor belts are connect with the outlet of mold cooling duct；Quench chamber connects the furnace body
Outlet and mold cooling duct entrance, quench chamber is connected to by burner hearth with inert gas source.
Above-described inert gas shielding method, including discharge chamber, inert gas source are connected to the cavity of discharge chamber, discharging
The outlet of the outlet of the entrance connecting mold cooling duct outlet section of room, discharge chamber connects discharging conveyor belts；The outlet of discharge chamber
Place is equipped with sealed gate.
Above-described inert gas shielding method, mold enter channel includes concatenation first and enter the room to enter in advance with second in advance
Room, the first cavity entered the room in advance and the second cavity for entering the room in advance are connected to inert gas source respectively；The first entrance position entered the room in advance
In the output end of feeding mechanism, the second outlet entered the room in advance is located at the furnace body entrance；First enter the room in advance inlet, first
It enters the room in advance and the junction entered the room in advance with second and second enters the room in advance and be respectively equipped with sealed gate with the junction of furnace body entrance；It is lazy
Property gas source include two-way, be directly connected to burner hearth and quench chamber all the way, it is lasting to inflate；Another way is sent by cylinder manifold to other
In the cavity of each room, opening and closing that the gas circuit of each chamber body is filled with using inflation solenoid valve control inert gas；Each room
Cavity respectively includes non-return valve, and the intracorporal gas of chamber passes through non-return valve and is discharged when the cavity of each room is inflated.
Above-described inert gas shielding method, when mold passes in and out the cavity of each room, corresponding sealed gate is opened, and is filled
Pneumoelectric magnet valve is closed；After mold passes in and out the cavity of each room, corresponding sealed gate is closed, and inflation solenoid valve is opened, and is promoted and is corresponded to
Inert gas content in cavity.
Above-described inert gas shielding method, mold is entered the room in advance according to feeding mechanism, first, second enters the room in advance, furnace
Thorax, quench chamber, mold cooling duct, discharge chamber and discharging conveyor belts sequence circulate；First enters the room and discharge chamber in advance
Cavity be respectively smaller than second enter the room in advance, the cavity of burner hearth, quench chamber and mold cooling duct.
Above-described inert gas shielding method, discharging conveyor belts and feeding mechanism it is coaxial and with tunnel heating
Die channel is parallel, the outlet of discharging conveyor belts and the feeding end of feeding mechanism it is close or connection；Mold cooling duct is L shape,
The entrance of mold cooling duct is orthogonal with the die channel, and the outlet section and discharging conveyor belts of mold cooling duct are same
Axis；It is orthogonal with the die channel that mold enters channel；First in advance enter the room with second in advance enter the room it is coaxial, with the mold lead to
Road is orthogonal；Main propeller machine structure is mounted on second and enters the room in advance, coaxial with die channel, and the mold for cavity end that second is entered the room in advance pushes away
Enter to the inlet of the die channel；First rushing board mechanism is installed in the first cavity entered the room in advance, the first rushing board mechanism
Direction of propulsion is orthogonal with the die channel, and the mold that enters in the first cavity for entering the room in advance is pushed into second and is entered the room in advance
In cavity.
Above-described inert gas shielding method, including the second rushing board mechanism and third rushing board mechanism, the second ledal-pushing machine
Structure is mounted on quench chamber, and the mold entered in quench chamber cavity from the die channel is pushed into entering for mold cooling duct
Mouth section；Third rushing board mechanism is mounted on the outlet section of mold cooling duct, will go into the mould of the entrance of mold cooling duct
Have along the cavity that the outlet section of mold cooling duct is advanced to discharge chamber.
Above-described inert gas shielding method is equipped with roll shaft conveyer belt in the cavity of discharge chamber, enters discharge chamber
Cavity in mold be transported on discharging conveyor belts by roll shaft conveyer belt；It includes that mold is sliding that mold, which enters in the cavity in channel,
Road, the two sides of mold slideway include guide pad, and the bottom plate of mold slideway is the bottom plate that mold enters channel；In the cavity of quench chamber
With cooling slideway is respectively included in the cavity of mold cooling duct, the two sides of cooling slideway include guide pad, the bottom of cooling slideway
Plate is the coldplate of water cooling；Mold enters channel, quench chamber and mold cooling duct respectively by a plurality of adjustable height
Pillar supporting.
Above-described inert gas shielding method, the gate include lifting cylinder and slide valve, and slide valve includes
Valve body and flashboard, the valve opening and flashboard of valve body are rectangle；Valve body includes foreboard, back plate and top plate, and the lifting cylinder is vertical
Ground is mounted on top plate, and the flashboard is arranged between foreboard and back plate, under the top of flashboard and lifting cylinder piston rod
End connection；The flashboard is wedge shape, and the lower part of foreboard inner wall and the lower part of back plate inner wall constitute the valve seat of wedge shape, the valve
Hole passes through valve seat, and wedge-shaped flashboard is adapted to the valve seat of wedge shape；The front and back of flashboard respectively includes a circle equipped with sealing ring
Rectangular recess, sealing ring and valve seat cooperation in flashboard rectangular recess realize sealing；The two sidewalls of body cavity respectively include vertical
Guiding groove, the two sides of flashboard are respectively equipped with a plurality of idler wheels, and the idler wheel is along guiding concave slot sports；Outside front and rear panels
Surface is in the rectangular recess that the periphery of valve opening respectively includes that a circle is equipped with sealing ring.
The mold of curve glass forming apparatus of the present invention, will be by closed logical before and after access tunnel formula heating furnace
Road, inert gas totality consumption is small, utilization rate is high；Oxygen content is small in the cavity of high temperature, mold and auxiliary material be not oxidizable, uses
Service life is long.
Detailed description of the invention]
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the top view of curve glass forming apparatus of the embodiment of the present invention.
Fig. 2 is the internal structure chart of curve glass forming apparatus of the embodiment of the present invention.
Fig. 3 is the main view of slide valve of the embodiment of the present invention.
Fig. 4 is F in Fig. 3 to cross-sectional view.
Fig. 5 is G in Fig. 4 to cross-sectional view.
Fig. 6 is the schematic diagram of mold of embodiment of the present invention cooling duct.
Fig. 7 is the schematic diagram of mold slideway of the embodiment of the present invention.
Fig. 8 is the main view of feeding mechanism of the embodiment of the present invention.
Fig. 9 is the top view of feeding mechanism of the embodiment of the present invention.
Figure 10 is A in Fig. 9 to cross-sectional view.
Figure 11 is the top view under feeding mechanism original state of the embodiment of the present invention.
Figure 12 is the perspective view under feeding mechanism original state of the embodiment of the present invention.
Figure 13 is the perspective view of pusher of the embodiment of the present invention.
Figure 14 is B in Fig. 9 to cross-sectional view.
Figure 15 is C in Fig. 9 to cross-sectional view.
Figure 16 is D in Fig. 9 to cross-sectional view.
Figure 17 is E in Fig. 9 to cross-sectional view.
Figure 18 is the schematic diagram of the supply of cavity nitrogen of the embodiment of the present invention and gas discharge.
Specific embodiment]
The structure of the inert gas shielding method of curve glass forming apparatus of the present invention is as shown in Fig. 1 to Figure 18, including tunnel type
Heating furnace 10, quench chamber 20, closed mold enter channel 30, closed mold cooling duct 40, discharge chamber 50, discharging conveying
Band 60, feeding mechanism 100 and source nitrogen.
As depicted in figs. 1 and 2, tunnel heating 10 includes furnace body 11 and main propeller machine structure 12, furnace body 11 include entrance
13 and outlet 14, it include die channel 15 in the burner hearth of furnace body 11, what die channel 15 connected furnace body 11 enters 13 mouthfuls and outlet
14.Source nitrogen enters the cavity in channel 30 and the chamber of mold cooling duct 40 to the burner hearth of tunnel heating 10, mold respectively
Nitrogen is filled in body.
Mold enters channel 30 and connect with the entrance 13 of furnace body 11, and mold enters the connection in channel 30 Yu 11 entrance 13 of furnace body
The inlet that place and mold enter channel 30 is respectively equipped with sealed gate 70.The outlet 14 of mold cooling duct 40 and furnace body 11 connects
It connects, the inlet and exit of mold cooling duct 40 are also respectively equipped with sealed gate 70.Mold enters in the cavity in channel 30
Nitrogen is separately filled with in the cavity of mold cooling duct 40.
Feeding mechanism 100 is located at the inlet that mold enters channel 30.Discharging conveyor belts 60 and feeding mechanism 100 are same
The axis of die channel 15 on axis and with tunnel heating is parallel, the outlet of discharging conveyor belts 60 and feeding mechanism 100
Feeding end it is close or be directly connected to, transfer mold convenient for operative employee.Mold enters the axis and die channel 15 in channel 30
Axis vertical take-off.
Quench chamber 20 connects the outlet 14 of furnace body 11 and the entrance of mold cooling duct 40, and mold cooling duct 40 is L shape,
The entrance 41 of mold cooling duct 40 and die channel 15 axis vertical take-off, the entrance connecting mold of discharge chamber 50 is cooling logical
The outlet of the outlet of 40 outlet section 42 of road, discharge chamber 50 connects discharging conveyor belts 60.42 He of outlet section of mold cooling duct 40
Discharge chamber 50 and discharging conveyor belts 60 are on same axis.
Nitrogen is filled in the cavity of discharge chamber 50, the exit of discharge chamber 50 is again provided with sealed gate 70, discharge chamber
Nitrogen in 50 cavity is supplied by source nitrogen.
Mold, which enters channel 30 includes concatenation first, enters the room 31 and second enter the room 32 in advance in advance, and first enters the room 31 and second in advance
Enter the room 32 on the same axis in advance, with die channel 15 axis vertical take-off.First enter the room in advance 31 entrance is located at feeding mechanism
100 output end, the second enter the room in advance 32 outlet are located at 11 inlet of furnace body.First pre- 31 inlet of entering the room, first enter in advance
It enters the room in advance and 32 junction and second enters the room 32 be respectively equipped with sealing lock with the junction of 11 entrance of furnace body in advance in room 31 and second
Door 70.
Main propeller machine structure 12 is mounted on second and is entered the room at 32 in advance, coaxial with die channel 15, and main propeller machine structure 12 will arrival
Second mold 1 for entering the room 32 cavity ends in advance is pushed into the inlet of die channel 15.First in advance enter the room 31 cavity in install
Have the first rushing board mechanism 33, the direction of propulsion of the first rushing board mechanism 33 and die channel 15 axis vertical take-off, first will be entered
In advance enter the room 31 cavity in mold 1 be pushed into second in advance enter the room 32 cavity in.
Second rushing board mechanism 21 is housed, the second rushing board mechanism 21 will enter quench chamber from die channel 15 in quench chamber 20
Mold 1 in 20 cavitys is pushed into the entrance 41 of mold cooling duct 40.It is cooling logical that third rushing board mechanism 43 is mounted on mold
At the outlet section 42 in road 40, the going out along mold cooling duct 40 of mold 1 of the entrance 41 of mold cooling duct 40 will go into
Mouth section 42 is advanced in the cavity of discharge chamber 50.
Roll shaft conveyer belt 51 is housed, the mold entered in the cavity of discharge chamber 50 is passed by roll shaft in the cavity of discharge chamber 50
Band 51 is sent to be transported on discharging conveyor belts 60.
As shown in fig. 7, mold, which enters in the cavity in channel 30, mold slideway 34, guiding is arranged in the two sides of mold slideway 34
Block 35, the bottom plate of mold slideway 34 are the bottom plate that mold enters channel 30.
As shown in fig. 6, in the cavity of quench chamber 20 and it is respectively provided with cooling slideway 44 in the cavity of mold cooling duct 40,
Guide pad 45 is arranged in the two sides of cooling slideway, and the bottom plate of cooling slideway 44 is the coldplate 46 of water cooling.Mold enters channel 30, urgency
Cold house 20 and mold cooling duct 40 are supported by the pillar 46 of multiple adjustable height respectively.
As shown in Figures 3 to 5, gate 70 includes lifting cylinder 73 and slide valve, and slide valve includes valve body and flashboard 72.Valve
The valve opening 71 and flashboard 72 of body are rectangle.
Valve body includes foreboard 74, back plate 75 and top plate 76, and lifting cylinder 73 is vertically mounted on top plate 76,72 cloth of flashboard
It sets between foreboard 74 and back plate 75, the top of flashboard 72 is connect with the lower end of 73 piston rod of lifting cylinder.Flashboard 72 is wedge shape,
The lower part of 75 inner wall of lower part and back plate of 74 inner wall of foreboard constitutes the valve seat 77 of wedge shape, and valve opening 71 passes through valve seat 77, wedge-shaped lock
Plate 72 is adapted to the valve seat 77 of wedge shape.
The front and back of flashboard 72 respectively includes the rectangular recess that a circle is equipped with sealing ring 79, in 72 rectangular recess of flashboard
Sealing is realized in sealing ring 79 and the cooperation of valve seat 77.
Respectively there are a vertical guiding groove 78 in the two sidewalls of body cavity, and the two sides of flashboard 72 respectively fill that there are two idler wheels
7201, idler wheel 7201 is moved along guiding groove 78.
The rectangular recess that the outer surface of foreboard 74 and back plate 75 respectively has a circle that sealing ring 99 is housed in the periphery of valve opening 71.It is close
The sealing between two chamber bodies connected by valve body is realized in seal 99,
Foreboard 74 and back plate 75 are separated along the center split surface of valve body, are oriented to 78 foreboard 74 of groove and back plate 75 respectively accounts for half.Before
Plate 74 and the faying face of back plate 75 are that U-shaped, foreboard 74 and back plate 75 in faying face pass through multiple screw attachments.
The structure of feeding mechanism 100 is as shown in Fig. 8 to Figure 17, bearing support 80 and pusher 90 including carrying mould.
Bearing support 80 includes support and two support strips 81 that can carry multiple molds, and support includes bottom plate 82 and two rows of branch
Column 83, the lower end of pillar 83 are fixed on bottom plate 82, and two support strips 81 are fixed on the top of pillar 83 in parallel.
It is embedded with 4 blocks 84 in support strip 81, has a longitudinal direction for carrying mould recessed on the inside of 81 top surface of support strip
Slot 85, the width of two 81 longitudinal grooves 85 of support strip opened grade B1 and be equivalent to mold 1.Block 84 is embedded in the transverse direction of support strip 81
Groove in, the length direction along support strip 81 is arranged apart, and the head of block 84 is inserted into longitudinal groove 85, will be longitudinal recessed
Slot 85 is separated into 4 mold positions, and the front end of 81 front of support strip, first mold position groove is open, the mold of front first
Two grooves of position form the release sliding slot of mold 1.
Pusher 90 includes the first pusher 90A and the second pusher 90B.
First pusher 90A includes the supporting plate that can carry three molds 1, rodless cylinder 92, raising board 93 and two acts
Rise cylinder 94.Supporting plate is arranged between two support strips 81, is fixed on two sliding blocks (sliding rail platform connection of rodless cylinder 92
Plate) on 9201, rodless cylinder 92 is located at the lower section of supporting plate.The long axis direction of rodless cylinder 92 is parallel with support strip 81.
Supporting plate includes pushing block 92 and the blend stop of three lateral arrangements 93 before 91, two pieces of plate body, and blend stop 93 is fixed on plate body 91
Top surface on, along the longitudinally spaced apart arrangement of supporting plate, the top surface of baffle is separated into 3 mold positions.The number of 81 mold position of support strip
One, when supporting plate is located at end positions (initial position of feeding mechanism 100) backward is measured more than the quantity than bearing plate mold position, three
Root blend stop 93 is aligned with subsequent three blocks 84.
Pushing block 92 is fixed on the lower section of plate body 91 before two pieces, positioned at the two sides of 91 front end of plate body.The middle part of 91 front end of plate body
There is the evacuation groove 9101 when a pusher cylinder raising.
Raising board 93 is shape of reverse omega, including the outwardly projecting flange 9301 in both ends and intermediate U-board 9302, rodless cylinder
92 are fixed on the top surface of the bottom plate of U-board 9302.Laterally separated arrangement of two lifting cylinders 94 along bearing support 80, raising board
93 flange 9301 is connect with the piston rod of two lifting cylinders 94 respectively.
The cylinder body of lifting cylinder 94 is fixed on the bottom plate 82 of support.
Second pusher 90B is arranged in the front of the first pusher 90A, including push plate 95, pusher cylinder 96 and act
Rise cylinder 97.
The cylinder body of lifting cylinder 97 is fixed on base-plate 82, and pusher cylinder 95 is fixed on the piston rod of lifting cylinder 97
On, the installation direction of pusher cylinder 95 is axial parallel with support strip 81, before push plate 95 is fixed on 96 piston rod of pusher cylinder
End.
The fill process of feeding mechanism 100 is as follows:
1) pusher is in initial position, and operative employee places mold on 4 mold positions of bearing support 80；
2) gate 70 that mold enters the inlet in channel 30 is opened, and the first pusher 90A movement, lifting cylinder 94 lifts,
Rear three molds on bearing support 80 are held up by supporting plate；Supporting plate moves ahead under the promotion of rodless cylinder 92, and supporting plate front end is pushed forward
Block 92 by the mold of front first on bearing support 80 be pushed into first in advance enter the room 31 entrance in；
3) the second pusher 90B is acted, and lifting cylinder 97 lifts, and the piston rod of pusher cylinder 96 stretches out, and push plate 95 will be to the
One in advance enter the room 31 entrance in mold, be pushed into first in advance enter the room 31 cavity in；Then, the second pusher 90B resets；
4) lifting cylinder 94 resets downlink, and three molds on supporting plate are fallen on first three mold position on bearing support 80；Supporting plate
Row after being resetted under the promotion of rodless cylinder 92；
5) operative employee supplements a mold on bearing support 80 on the last one mold position, does for pusher subsequent work circulation
It is good to prepare.
The connecting portion of connecting portion, chamber body and tunnel heating furnace body between each chamber body using sealing strip or with
Refractory seals glue is with the use of the comprehensive sealing of progress, it is ensured that the leakproofness of each cavity and integral device.
Source nitrogen includes two-way, is directly connected to burner hearth and quench chamber, duration inflation all the way；Another way passes through cylinder manifold point
It send into the cavity of other each rooms (including the first pre- 31, second pre- enter the room 32, mold cooling duct 40 and discharge chamber 50 of entering the room),
The opening and closing that the gas circuit of each chamber body is filled with using inflation solenoid valve control nitrogen；The cavity of each room is respectively provided with 1- respectively
2 non-return valves 98, the intracorporal gas of chamber is discharged by non-return valve 98 when the cavity of each room is inflated.
As shown in figure 18, when mold 1 passes in and out the cavity of each room, corresponding sealed gate is opened, and inflation solenoid valve is closed；Mould
After tool passes in and out the cavity of each room, corresponding sealed gate is closed, and inflation solenoid valve is opened, and the nitrogen promoted in respective chamber contains
Amount.
Mold 1 is entered the room in advance according to feeding mechanism, first, second enters the room in advance, burner hearth, quench chamber, mold cooling duct, discharging
The sequence of room and discharging conveyor belts circulates.
When mold 1 does not enter first and enters the room in 31 in advance, first enters the room 31 in a closed state in advance, the nitrogen being filled with
So that gas in cavity is in hypoxia, when mold 1 by feeding mechanism be sent into first in advance enter the room 31 when, sealed gate open, nitrogen
Gas is filled with solenoid valve closing, and outside air enters first and entered the room in 31 in advance, and the first oxygen content gas in 31 cavitys of entering the room in advance increases,
When mold 1 enters in cavity, sealed gate is closed, and nitrogen is filled with solenoid valve unlatching, and the gas of air will be mixed in cavity
Body is discharged outside chamber, promotes the nitrogen gas purity of gas in cavity.
At this point, first enters the room the intracorporal gas of 31 chambers because being mixed with air when mold 1 enters in advance, nitrogen gas purity is lower than the
Two enter the room nitrogen gas purity in 32 in advance.
Mold 1 via first enter the room in advance 31 enter second enter the room in advance 32 when, first enters the room in advance 31 and second enters the room 32 in advance
Between the sealed gate that connects open, the nitrogen of two cavitys is filled with solenoid valve closing, and mold 1 enters second when entered the room in 32 in advance,
First gas entered the room in 31 in advance also while entering second and entered the room in 32 in advance, with the second pre- gas mixing in 32 of entering the room.So far,
The gas not instead of air entered the room in 32 in advance into second, first enters the room the slightly lower gas of nitrogen gas purity in 31 in advance, completes
First enters the room in advance 31 and second enters the room one section of 32 nitrogen displacement in advance.Mold 1 enters second and is entered the room in 32 in advance, and sealed gate closes
It closes, the nitrogen of two cavitys is filled with solenoid valve unlatching, and first enters the room in advance respectively and 31 and second enters the room in advance gas nitrogen gas purity in 32
It is promoted.
So far, second enter the room in advance gas nitrogen gas purity in 32 because with first enter the room in advance gas displacement in 31 when, entrance
It is that nitrogen gas purity is slightly lower first to enter the room 31 gases in advance, first is higher than in whole purity and is entered the room in advance gas in 31.
In burner hearth of the mold 1 from the second pre- 32 entrance tunnel heatings 10 of entering the room, connection tunnel heating 10
Burner hearth and the second enter the room in advance 32 sealed gate are opened, and the second nitrogen in 32 of entering the room in advance is filled with solenoid valve closing, and second enters the room in advance
Gas enters the burner hearth of tunnel heating 10 in 32, and nitrogen is that duration is filled in the burner hearth of tunnel heating 10, really
The nitrogen gas purity for protecting gas in the burner hearth of tunnel heating 10 makes in anaerobic state in cavity, and mold 1 is completely into tunnel
When in the burner hearth of formula heating furnace 10, sealed gate is closed, and the second nitrogen in 32 of entering the room in advance is filled with solenoid valve unlatching, makes second to enter in advance
Gas nitrogen gas purity is promoted in room 32.
At this point, mold 1 enter tunnel heating 10 burner hearth in when complete second in advance enter the room 32 and tunnel type add
Two sections of displacements of the burner hearth nitrogen of hot stove 10, so that the gas nitrogen gas purity into the burner hearth of tunnel heating 10 is set with one section
Nitrogen gas purity is higher when changing.It ensures into the nitrogen gas purity in the burner hearth of tunnel heating 10, avoids oxygen and enter tunnel
The burner hearth of road formula heating furnace 10.
After mold 1 completes molding in the burner hearth of tunnel heating 10, enter mold cooling duct by quench chamber 20
When 40, the sealed gate that quench chamber 20 is connected with mold cooling duct 40 is opened, and 40 nitrogen of mold cooling duct is filled with solenoid valve
It closes, gas and 40 gas mixing of mold cooling duct in the burner hearth of tunnel heating 10 complete tunnel heating 10
The displacement of burner hearth and 40 gas of mold cooling duct, after mold 1 enters in mold cooling duct 40, sealed gate is closed, mould
Tool 40 nitrogen of cooling duct is filled with solenoid valve unlatching, is maintained gas nitrogen gas purity in mold cooling duct 40, protects mould
It is not oxidized to have 1.
Meanwhile mold 1 by being transported to discharge chamber 50 in mold cooling duct 40 when, mold cooling duct 40 and discharge chamber 50
Connected sealed gate is opened, and two cavity nitrogen are filled with solenoid valve closing, gas and 50 gas of discharge chamber in mold cooling duct 40
Body mixing, after mold 1 enters discharge chamber 50, sealed gate is closed, and completes mold cooling duct 40 and 50 nitrogen of discharge chamber
Displacement, meanwhile, the nitrogen of two cavitys is filled with solenoid valve unlatching, promotes nitrogen gas purity in two cavitys.
Finally, mold 1 reaches discharging conveyor belts by the sealed gate of discharge chamber 50, sealed gate is opened, discharge chamber 50
Nitrogen is filled with solenoid valve closing, at this point, outside air enters discharge chamber 50, increases oxygen content gas in cavity, when mold 1 is complete
When full arrival discharging conveyor belts, sealed gate is closed, and nitrogen is filled with solenoid valve unlatching, and the gas that air will be mixed in cavity is arranged
Out outside chamber, promote gas nitrogen gas purity in cavity.
So far, mold 1 runs a circulation, carries out two-way isolation using sealed gate between each cavity, is bi-directionally connected,
Each cavity volume is small, naturally just small with air contacting volume.When mold 1 sequentially enters each cavity, gas between adjacent each cavity
Multistage exchange, when so that mold 1 is entered the burner hearth of tunnel heating 10, the gas into the burner hearth of tunnel heating 10
Body nitrogen gas purity improves, while the burner hearth of tunnel heating 10 is persistently filled with nitrogen, makes the burner hearth one of tunnel heating 10
It is directly in hypoxia, guarantees that mold 1 and auxiliary material are not oxidized under hot conditions in the burner hearth of tunnel heating 10, tunnel
The burner hearth of formula heating furnace 10 is connected with quench chamber 20, and mold 1 enters mold cooling duct by sealed gate after over-quenching
40, above-mentioned running is repeated again, by repeating above-mentioned running when discharge chamber 50 once more, ensures mold 1 in each cavity in this way
All under the guard mode of nitrogen when interior, mold 1 is not oxidized, long service life.Meanwhile nitrogen is between adjacent each cavity
There will be reuse, save total consumption value of nitrogen, overall save the cost on the whole.
First enter the room in advance 31 cavity and discharge chamber 50 cavity volume it is minimum, be respectively smaller than second and enter the room in advance 32, tunnel
The cavity volume of the burner hearth of formula heating furnace 10, quench chamber 20 and mold cooling duct 40, mold enter first enter the room in advance 31 or from
Discharge chamber 50 is released, when sealed gate is opened, the negligible amounts of helium leak.
Each intracorporal nitrogen gas concn of chamber first enter the room in advance with it is minimum in discharge chamber, enter the room in advance second cooling logical with mold
It is in middle CONCENTRATION STATE in road, is nitrogen gas concn highest state in burner hearth and quench chamber, when mold passes through the chamber of adjacent two Room
When body, nitrogen all can compensate low concentration cavity by high concentration cavity, and nitrogen can reuse, and mold will be by closing
Channel, nitrogen totality consumption is small, utilization rate is high.
When the curve glass forming apparatus work of above embodiments of the present invention, preceding warp of the mold in access tunnel formula heating furnace
Enter channel by closed mold, be by closed mold cooling duct after coming out from tunnel heating, therefore nitrogen
Overall consumption is small, utilization rate is high.Oxygen content is small in the heating cavity of tunnel heating, mold and auxiliary material be not oxidizable, makes
It is long with the service life.
Claims (10)
1. a kind of inert gas shielding method of curve glass forming apparatus, curve glass forming apparatus includes tunnel type heating
Furnace, tunnel heating include that furnace body and main propeller machine structure, furnace body include an inlet and an outlet, logical including mold in the burner hearth of furnace body
Road, die channel connect the entrance and exit of furnace body；It is characterised in that it includes inert gas source, closed mold enter channel
With closed mold cooling duct；Mold enters channel and the entrance of furnace body connects, and mold enters the inlet and outlet in channel
Place is respectively equipped with sealed gate；The outlet of mold cooling duct and furnace body connects, the inlet and exit of mold cooling duct
It is respectively equipped with sealed gate；Inert gas source enters the cavity in channel and the cavity of mold cooling duct to burner hearth, mold respectively
Middle gas supply.
2. inert gas shielding method according to claim 1, which is characterized in that including quench chamber, discharging conveyor belts and
Feeding mechanism, feeding mechanism are located at the inlet that mold enters channel, and discharging conveyor belts are connect with the outlet of mold cooling duct；
Quench chamber connects the outlet of the furnace body and the entrance of mold cooling duct, and quench chamber is connected to by burner hearth with inert gas source.
3. inert gas shielding method according to claim 2, which is characterized in that including discharge chamber, inert gas source connects
The outlet of the cavity of logical discharge chamber, the outlet of the entrance connecting mold cooling duct outlet section of discharge chamber, discharge chamber connects discharging
Conveyer belt；The exit of discharge chamber is equipped with sealed gate.
4. inert gas shielding method according to claim 3, which is characterized in that mold enters that channel includes concatenation
One enters the room and enters the room in advance with second in advance, and the first cavity entered the room in advance and the second cavity for entering the room in advance are connected to inert gas source respectively；
First entrance entered the room in advance is located at the output end of feeding mechanism, and the second outlet entered the room in advance is located at the furnace body entrance；First
Inlet, the first pre- junction entered the room in advance with second and the second pre- junction entered the room with furnace body entrance of entering the room entered the room in advance
It is respectively equipped with sealed gate；Inert gas source includes two-way, is directly connected to burner hearth and quench chamber all the way, lasting to inflate；Another way
It is sent by cylinder manifold into the cavity of other each rooms, the gas circuit of each chamber body is filled with using inflation solenoid valve control inert gas
Opening and closing；The cavity of each room respectively includes non-return valve, and the intracorporal gas of chamber passes through non-return valve when the cavity of each room is inflated
Discharge.
5. inert gas shielding method according to claim 4, which is characterized in that right when mold passes in and out the cavity of each room
The sealed gate answered is opened, and inflation solenoid valve is closed；After mold passes in and out the cavity of each room, corresponding sealed gate is closed, inflation
Solenoid valve is opened, and the inert gas content in respective chamber is promoted.
6. inert gas shielding method according to claim 5, which is characterized in that mold is according to feeding mechanism, first pre-
Enter the room, second enter the room in advance, burner hearth, quench chamber, mold cooling duct, discharge chamber and discharging conveyor belts sequence circulate；The
One enters the room in advance be respectively smaller than with the cavity of discharge chamber second enter the room in advance, the cavity of burner hearth, quench chamber and mold cooling duct.
7. inert gas shielding method according to claim 4, which is characterized in that discharging conveyor belts and feeding mechanism are coaxial
And it is parallel with the die channel of tunnel heating, the outlet of discharging conveyor belts and the feeding end of feeding mechanism it is close or connection；
Mold cooling duct is L shape, and the entrance of mold cooling duct is orthogonal with the die channel, the outlet of mold cooling duct
Section is coaxial with discharging conveyor belts；It is orthogonal with the die channel that mold enters channel；First enters the room in advance enters the room together in advance with second
Axis, it is orthogonal with the die channel；Main propeller machine structure is mounted on second and enters the room in advance, coaxial with die channel, and second is entered in advance
The mold of chamber body end is pushed into the inlet of the die channel；The first ledal-pushing machine is installed in first cavity entered the room in advance
Structure, the direction of propulsion of the first rushing board mechanism is orthogonal with the die channel, will enter the mold in the cavity that first enters the room in advance
It is pushed into the cavity that second enters the room in advance.
8. inert gas shielding method according to claim 7, which is characterized in that pushed away including the second rushing board mechanism and third
Trigger structure, the second rushing board mechanism are mounted on quench chamber, and the mold entered in quench chamber cavity from the die channel is pushed into
To the entrance of mold cooling duct；Third rushing board mechanism is mounted on the outlet section of mold cooling duct, and it is cold to will go into mold
But the mold of the entrance in channel is along the cavity that the outlet section of mold cooling duct is advanced to discharge chamber.
9. inert gas shielding method according to claim 3, which is characterized in that passed in the cavity of discharge chamber equipped with roll shaft
Band is sent, the mold entered in the cavity of discharge chamber is transported on discharging conveyor belts by roll shaft conveyer belt；Mold enters channel
It include mold slideway in cavity, the two sides of mold slideway include guide pad, and the bottom plate of mold slideway is the bottom that mold enters channel
Plate；Cooling slideway is respectively included in the cavity of quench chamber and in the cavity of mold cooling duct, the two sides of cooling slideway include leading
To block, the bottom plate of cooling slideway is the coldplate of water cooling；Mold enters channel, quench chamber and mold cooling duct respectively by multiple
The pillar supporting of several adjustable height.
10. inert gas shielding method according to claim 1, which is characterized in that the gate includes lifting cylinder
And slide valve, slide valve include valve body and flashboard, the valve opening and flashboard of valve body are rectangle；Valve body includes foreboard, back plate and top plate,
The lifting cylinder is vertically mounted on top plate, and the flashboard is arranged between foreboard and back plate, the top of flashboard with
The lower end of lifting cylinder piston rod connects；The flashboard is wedge shape, and the lower part of foreboard inner wall and the lower part of back plate inner wall are constituted
The valve seat of wedge shape, the valve opening pass through valve seat, and wedge-shaped flashboard is adapted to the valve seat of wedge shape；It respectively wraps the front and back of flashboard
The rectangular recess that a circle is equipped with sealing ring is included, the sealing ring and valve seat cooperation in flashboard rectangular recess realize sealing；Body cavity
Two sidewalls respectively include vertical guiding groove, the two sides of flashboard are respectively equipped with a plurality of idler wheels, and the idler wheel is along guiding groove
Movement；The outer surface of front and rear panels is in the rectangular recess that the periphery of valve opening respectively includes that a circle is equipped with sealing ring.
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| CN201811147418.XA CN108947215A (en) | 2018-09-29 | 2018-09-29 | A kind of inert gas shielding method of curve glass forming apparatus |
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| CN201811147418.XA CN108947215A (en) | 2018-09-29 | 2018-09-29 | A kind of inert gas shielding method of curve glass forming apparatus |
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