CN107365059B - Conveying device and method for curved glass forming of mobile terminal - Google Patents
Conveying device and method for curved glass forming of mobile terminal Download PDFInfo
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- CN107365059B CN107365059B CN201710760166.7A CN201710760166A CN107365059B CN 107365059 B CN107365059 B CN 107365059B CN 201710760166 A CN201710760166 A CN 201710760166A CN 107365059 B CN107365059 B CN 107365059B
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention discloses a conveying device and a method for forming curved glass of a mobile terminal, wherein the conveying device comprises the following components: the conveying device comprises: a cart structure, a pushing structure and a pushing rod structure; sequentially arranged in a hot pressing device for forming curved glass of a mobile terminal; the trolley structure is arranged at one end of the liquid cooling channel, which is close to the forming cavity; the pushing structure is arranged at one end of the liquid cooling channel, which is close to the forming cavity, and is perpendicular to the cart structure; the push rod structure is arranged at one end of the liquid cooling channel, which is away from the forming cavity, and is used for pushing the 3D curved surface forming die pushed to the tail end of the liquid cooling channel to the head end of a nitrogen cooling tunnel of the hot pressing equipment one by one, then pushing the 3D curved surface forming die to the tail end of the nitrogen cooling tunnel continuously, and finally pushing the nitrogen cooling tunnel to finish discharging; according to the invention, the conveying device is adopted to orderly and efficiently complete the conveying of the 3D curved surface forming die in the whole forming equipment, so that the curved surface glass forming period is shortened, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical fields of a 3D curved glass screen, a rear cover, a protection screen, processing equipment and processing procedures of the processing equipment of the mobile terminal, in particular to a conveying device and a conveying method for forming curved glass of the mobile terminal.
Background
Along with the development of mobile terminals (smart phones, tablet personal computers and the like), curved-surface screen smart phones are put forward except for samsung and LG, and like the smart phones pushed by apples, more non-planar glass with circular arc chamfers at edges is adopted, namely, the middle area of the glass is a plane, and curved surfaces are adopted for transition at the edge parts, and the non-planar glass belongs to the fields of the 3D curved-surface glass of the smart phones.
The preheating upper heating plate forming the preheating mechanism in the prior art for processing curved glass product equipment is preheated in a state of not contacting with the mold, so that the heat conduction efficiency is very low, the mold cannot be quickly raised to the required preheating temperature, the mold formed after being heated to the high temperature by the forming mechanism is sent to the cooling line for cooling, the glass formed by the rapid change of the temperature and provided with the curved surface part is frequently broken, and the integral forming time period of the curved glass is prolonged.
In addition, because the processing difficulty of the 3D curved glass is high, the process route is complex, the conventional non-planar glass generally adopts a conventional pushing mode to transmit the mold, the efficiency is low, and the productivity cannot be improved.
Accordingly, there is a need for improvement and development in the art.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and provides a conveying device and a conveying method for forming curved glass of a mobile terminal, which aims to orderly and efficiently complete the conveying of a 3D curved surface forming die in the whole forming equipment by adopting the conveying device, shorten the period of forming the curved surface glass and improve the production efficiency.
The technical scheme adopted for solving the technical problems is as follows:
a conveyor for curved glass forming of a mobile terminal, wherein the conveyor comprises:
the trolley structure is used for conveying the 3D curved surface forming die to the head end of the liquid cooling channel after the 3D curved surface forming die with the single-sheet planar glass blank is pressed;
the pushing structure is used for conveying the 3D curved surface forming die to the tail end of the liquid cooling channel;
the push rod structure is used for conveying the 3D curved surface forming die to the head end of the nitrogen cooling tunnel;
the pushing structure, the pushing structure and the pushing rod structure are sequentially arranged in hot pressing equipment for forming curved glass of the mobile terminal;
the cart structure is arranged at one end of the liquid cooling channel of the hot pressing equipment, which is close to the forming cavity; the pushing structure is arranged at one end of the liquid cooling channel, which is close to the forming cavity, and is perpendicular to the cart structure; the push rod structure is arranged at one end of the liquid cooling channel, which is away from the forming cavity, and is used for pushing the 3D curved surface forming die pushed to the tail end of the liquid cooling channel to the head end of a nitrogen cooling tunnel of the hot pressing equipment one by one, then pushing the 3D curved surface forming die to the tail end of the nitrogen cooling tunnel continuously, and finally pushing the nitrogen cooling tunnel to finish discharging;
the liquid cooling channel is provided with a first baffle at the inlet of the 3D curved surface forming die, the nitrogen cooling tunnel is provided with a second baffle at the outlet of the 3D curved surface forming die, and the first baffle and the second baffle are used for sealing the nitrogen cooling tunnel when the 3D curved surface forming die cools in the nitrogen cooling tunnel; a penetrating hole is formed in the nitrogen cooling tunnel shell outside the nitrogen cooling tunnel, the penetrating hole is used for penetrating through a nitrogen inlet pipeline, and the nitrogen inlet pipeline is used for being connected with a nitrogen source; and a liquid cooling runner is further arranged on the nitrogen cooling tunnel shell outside the nitrogen cooling tunnel and used for containing cooling liquid capable of circularly flowing so as to cool nitrogen passing through the nitrogen cooling tunnel shell.
The conveying device for forming curved glass of a mobile terminal, wherein the cart structure comprises: the driving source and the carrying vehicle are arranged outside the liquid cooling channel, and an output shaft of the driving source penetrates through the liquid cooling channel shell; the carrying vehicle is connected with an output shaft of the driving source and used for reciprocating between the forming cavity and the liquid cooling channel under the driving of the driving source, and the upper end face of the carrying vehicle is a plane with a size sufficient for placing the curved glass hot-pressing die.
The conveying device for forming the curved glass of the mobile terminal comprises a forming cavity, wherein a plurality of groups of movable working tables are arranged in the forming cavity, each working table consists of a heating plate and a cooling plate, the top surface of each heating plate is used for being in contact with the bottom surface of a 3D curved surface forming die, and the cooling plates are connected below the heating plates; the upper end face of the carrying vehicle is flush with the upper end face of the heating plate.
The conveying device for forming the curved glass of the mobile terminal comprises a pushing cylinder, a guide ring, a guide rod and a pushing block, wherein the pushing cylinder is arranged on the pushing cylinder; the pushing cylinder is perpendicular to the driving source, and an output shaft of the pushing cylinder penetrates through the liquid cooling channel shell; the axis of the guide ring is the same as the axis of the output shaft of the pushing cylinder in height and parallel to the axis of the output shaft of the pushing cylinder, and the guide rod is movably arranged in the guide ring and penetrates through the liquid cooling channel shell; the pushing block is connected to the guide rod and the end part of the pushing cylinder output shaft in the liquid cooling channel and is used for pushing the die on the vehicle to move towards the other end of the liquid cooling channel.
The conveying device for forming curved glass of a mobile terminal, wherein the push rod structure comprises: the device comprises a first driving source, a second driving source, a nitrogen-cooled tunnel driving rod, a nitrogen-cooled tunnel rotating push rod and a double-position push rod;
the first driving source is arranged outside the liquid cooling channel and is used for pushing the second driving source, the nitrogen cooling tunnel driving rod, the nitrogen cooling tunnel rotating push rod and the double-position push rod to move for one stroke position and then reset;
the second driving source is connected with the first driving source, is arranged outside the liquid cooling channel and is used for driving the nitrogen cooling tunnel driving rod and the nitrogen cooling tunnel rotating push rod to rotate;
the nitrogen cooling tunnel driving rod is connected to the second driving source in a driving way and penetrates through the liquid cooling channel shell;
one end of the double-position push rod is rotatably connected with the nitrogen-cooled tunnel driving rod, and the other end of the double-position push rod is suspended in the air;
the nitrogen-cooled tunnel rotating push rods are provided with a plurality of nitrogen-cooled tunnel rotating push rods which are fixedly connected to the nitrogen-cooled tunnel driving rods.
The curved glass forming conveying device for the mobile terminal comprises a first driving source, a second driving source, a first nitrogen cooling tunnel sliding guide rail, a second driving source, a first connecting slide block, a second connecting slide block, a first driving source and a second driving source, wherein the first nitrogen cooling tunnel sliding guide rail is arranged on the output side of the first driving source; limiting blocks are arranged at the front end and the rear end of the first nitrogen-cooled tunnel sliding guide rail.
A curved glass fashioned conveyor for mobile terminal, wherein, be provided with a plurality of second nitrogen cold tunnel sliding guide in the cold tunnel of nitrogen, every be fit with a cold tunnel sliding block of nitrogen on the cold tunnel sliding guide of second nitrogen, cold tunnel sliding block upper end of nitrogen is provided with a fixed connection piece, fixed connection piece is provided with a fixed connection hole, the cold tunnel actuating lever of nitrogen is the cylinder, the diameter adaptation of fixed connection hole is in the diameter of the cold tunnel actuating lever of nitrogen.
The curved glass forming conveying device for the mobile terminal comprises two second nitrogen-cooled tunnel sliding guide rails, wherein the two second nitrogen-cooled tunnel sliding guide rails are respectively positioned at the front part and the rear part of a nitrogen-cooled tunnel; the fixed connecting hole is a threaded hole, and threads are arranged at the position, connected with the fixed connecting hole, of the nitrogen cooling tunnel driving rod; the nitrogen-cooled tunnel driving rods are provided with a contact plane at the joint of each nitrogen-cooled tunnel rotating push rod, and the contact plane is attached to the bottom end of each nitrogen-cooled tunnel rotating push rod.
The conveying device for forming the curved glass of the mobile terminal comprises a nitrogen cooling tunnel, wherein the nitrogen cooling tunnel comprises five accommodating cavities for accommodating the 3D curved surface forming dies, and the accommodating cavities can cool the five 3D curved surface forming dies accommodated in the accommodating cavities simultaneously through the cooperation of cooling liquid and nitrogen; the holding cavity is respectively a first holding cavity, a second holding cavity, a third holding cavity, a fourth holding cavity and a fifth holding cavity, the first holding cavity and the second holding cavity are vertically arranged, and when the 3D curved surface forming die is conveyed from the first holding cavity to the second holding cavity, the 3D curved surface forming die is pushed to the next holding cavity through the push rod structure.
A conveying method for curved glass forming of a mobile terminal, wherein the conveying method comprises:
after the 3D curved surface forming die provided with the single-piece plane glass blank is pressed, conveying the 3D curved surface forming die to the head end of a liquid cooling channel through the trolley structure;
pushing the 3D curved surface forming die conveyed to the head end of the liquid cooling channel to the tail end of the liquid cooling channel through the pushing structure;
the push rod structure is used for pushing the 3D curved surface forming die to the tail end of the liquid cooling channel and the nitrogen cooling tunnel head end of the hot pressing equipment one by one, then the push rod structure is continuously pushed to the tail end of the nitrogen cooling tunnel, and finally the nitrogen cooling tunnel is pushed to finish discharging.
The invention discloses a conveying device and a method for forming curved glass of a mobile terminal, wherein the conveying device comprises the following components: the conveying device comprises: a cart structure, a pushing structure and a pushing rod structure; the pushing structure, the pushing structure and the pushing rod structure are sequentially arranged in hot pressing equipment for forming curved glass of the mobile terminal; the cart structure is arranged at one end of the liquid cooling channel of the hot pressing equipment, which is close to the forming cavity; the pushing structure is arranged at one end of the liquid cooling channel, which is close to the forming cavity, and is perpendicular to the cart structure; the push rod structure is arranged at one end of the liquid cooling channel, which is away from the forming cavity, and is used for pushing the 3D curved surface forming die pushed to the tail end of the liquid cooling channel to the head end of a nitrogen cooling tunnel of the hot pressing equipment one by one, then pushing the 3D curved surface forming die to the tail end of the nitrogen cooling tunnel continuously, and finally pushing the nitrogen cooling tunnel to finish discharging; according to the invention, the conveying device is adopted to orderly and efficiently complete the conveying of the 3D curved surface forming die in the whole forming equipment, so that the curved surface glass forming period is shortened, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a curved glass forming apparatus for a mobile terminal according to a preferred embodiment of the present invention.
Fig. 2 is a schematic structural view of a conveying apparatus for curved glass forming of a mobile terminal according to a preferred embodiment of the present invention.
Fig. 3 is a schematic structural view of a cart structure in a preferred embodiment of a conveying device for curved glass forming of a mobile terminal according to the present invention.
Fig. 4 is a schematic structural view of a pushing structure in a preferred embodiment of the conveying device for curved glass forming of a mobile terminal according to the present invention.
Fig. 5 is a schematic structural view of a push rod structure in a preferred embodiment of a conveying device for curved glass forming of a mobile terminal according to the present invention.
Fig. 6 is an enlarged view of the portion a of fig. 5 in accordance with the present invention.
Fig. 7 is an enlarged view of part B of fig. 5 in accordance with the present invention.
Fig. 8 is an enlarged view of part C of fig. 5 according to the present invention.
Fig. 9 is a flowchart of a preferred embodiment of a conveying method for curved glass forming of a mobile terminal according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear and clear, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the conveying apparatus includes:
the cart structure 820 is used for conveying the 3D curved surface forming die with the single-sheet planar glass blank to the head end of the liquid cooling channel 600 after the 3D curved surface forming die is pressed;
a pushing structure 830 for conveying the 3D curved surface forming mold to the tail end of the liquid cooling channel 600 (for view reasons, the pushing structure cannot be illustrated in fig. 1, please refer to fig. 2 for details);
a push rod structure 840 for conveying the 3D curved surface forming mold to the head end of the nitrogen-cooled tunnel 700;
the cart structure 820, the pushing structure 830 and the pushing structure 840 are sequentially arranged in a hot pressing device for forming curved glass of the mobile terminal;
the cart structure 820 is disposed at one end of the liquid cooling channel 600 of the hot pressing device, which is close to the molding cavity 200; the pushing structure 830 is disposed at one end of the liquid cooling channel 600 near the molding cavity 200 and is perpendicular to the cart structure 820; the push rod structure 840 is disposed at one end of the liquid cooling channel 600 facing away from the molding cavity 200, and is used for pushing the 3D curved surface molding die pushed to the tail end of the liquid cooling channel 600 to the head end of the nitrogen cooling tunnel 700 of the hot pressing device one by one, then pushing the 3D curved surface molding die to the tail end of the nitrogen cooling tunnel 700 continuously, and finally pushing the nitrogen cooling tunnel 700 to finish discharging;
the liquid cooling channel 600 is provided with a first baffle 10 at an inlet of a 3D curved surface forming die, the nitrogen cooling tunnel 700 is provided with a second baffle 20 at an outlet of the 3D curved surface forming die, and the first baffle 10 and the second baffle 20 are used for sealing the nitrogen cooling tunnel 700 when the 3D curved surface forming die cools in the nitrogen cooling tunnel 700; a penetrating hole is arranged on the outer shell of the nitrogen cooling tunnel 700 outside the nitrogen cooling tunnel 700, the penetrating hole is used for penetrating through a nitrogen inlet pipeline, and the nitrogen inlet pipeline is used for connecting a nitrogen source; and a liquid cooling runner is further arranged on the nitrogen cooling tunnel 700 shell outside the nitrogen cooling tunnel 700 and used for containing cooling liquid capable of circularly flowing so as to cool the nitrogen passing through the nitrogen cooling tunnel 700 shell.
The cart structure 820 is disposed at one end of the liquid cooling channel 600 near the molding cavity 200, as shown in fig. 3, and includes: a fifth driving source 821 and a vehicle 822, wherein the fifth driving source 821 is disposed outside the liquid cooling channel, and an output shaft of the fifth driving source 821 is disposed through the liquid cooling channel housing; the carrying vehicle 822 is connected to an output shaft of the fifth driving source 821, and is configured to reciprocate between the molding cavity and the liquid cooling channel under the driving of the fifth driving source 821, and an upper end surface of the carrying vehicle 822 is a plane with a size sufficient for placing the 3D curved surface molding mold.
Two vehicle guide rails 823 are arranged at the lower end of the vehicle 822, and four vehicle sliding blocks 824 are connected to the two vehicle guide rails 823 which are matched with the lower end of the vehicle 822. When the 3D curved glass forming mold is transported to the last station (corresponding to the second cooling module 520, as shown in fig. 1) in the forming cavity, the carrying vehicle 822 is driven by the fifth driving source 821 to drive the four carrying vehicle sliders 824 to move along the two carrying vehicle guide rails 823 toward the forming cavity, and after stopping, the carrying vehicle 822 is corresponding to another station after the last station in the forming cavity, and after waiting for the 3D curved glass forming mold to be pushed to the carrying vehicle 822, the carrying vehicle 822 is reset under the driving of the fifth driving source 821 to reach the head end of the liquid cooling channel 600. The fifth driving source 821 may be selected as a cylinder or a motor.
The forming cavity 200 is a completion cavity of preheating, profiling (hot pressing) and pressure maintaining quenching processes, and is provided with a carry structure 810 (fig. 1 and 2) in a penetrating manner, and is used for pushing the 3D curved surface forming die with the single-sheet planar glass blank from the head end to the tail end of the forming cavity 200 one by one; the tail end of the molding cavity 200 is then pushed to the carrier vehicle 822 that has reached the end of the molding cavity 200 (the carry structure 810 will push the 3D curved surface molding die to advance one station, and the distance of one station is the distance between two adjacent modules, such as the first preheating module and the second preheating module, and the first cooling module and the second cooling module.
A plurality of groups of movable working tables are arranged in the forming cavity 200, each working table consists of a heating plate and a cooling plate, the top surface of each heating plate is used for being contacted with the bottom surface of the 3D curved surface forming die, and the cooling plates are connected below the heating plates; the upper end face of the carrying vehicle is flush with the upper end face of the heating plate.
As shown in fig. 1 and 2, the liquid cooling channel 600 is provided with two parts which can be isolated, the first part of liquid cooling channel 610 is communicated with the forming cavity, the second part of liquid cooling channel 620 is communicated with the nitrogen cooling tunnel 700 of the hot pressing device, a liftable partition 611 is arranged between the two parts of liquid cooling channels, and the liftable partition 611 is used for isolating the two parts of liquid cooling channels after being lowered and communicating the two parts of liquid cooling channels after being raised; a strip-shaped groove (which is blocked by the liftable partition 611 and is not marked) is formed in the liquid cooling channel shell outside the first part of liquid cooling channel 610, and the shape of the strip-shaped groove is matched with the shape of the liftable partition 611; the upper end of the liftable partition 611 is connected with a state adjusting cylinder (the partition is not labeled in the prior art depending on the lifting of the cylinder), and the state adjusting cylinder is used for driving the liftable partition 611 to lift or descend.
As shown in fig. 4, at least one cooling liquid circulation flow channel is provided in the middle of the liquid cooling channel housing outside the liquid cooling channel 600, and the cooling liquid circulation flow channel is provided with a cooling liquid inlet and a cooling liquid outlet; a pushing structure 830 is disposed at one end of the liquid cooling channel 600 near the molding cavity 200, and the pushing structure 830 is used for pushing the 3D curved glass molding die from the head end of the liquid cooling channel 600 to the tail end thereof; the pushing structure 830 includes: comprises a pushing cylinder 831, a guide ring 832, a guide rod 833 and a pushing block 834; the pushing cylinder 831 is arranged perpendicular to the fifth driving source 821, and an output shaft of the pushing cylinder 831 penetrates through the liquid cooling channel shell; the axis of the guide ring 832 is the same as the axis of the output shaft of the pushing cylinder 831 in height and parallel to the axis, and the guide rod 833 is movably arranged in the guide ring 832 and penetrates through the liquid cooling channel shell; the pushing block 834 is connected to the end of the guide rod 833 and the output shaft of the pushing cylinder 831 located in the liquid cooling channel 600, and is used for pushing the 3D curved surface forming mold on the vehicle to move toward the other end of the liquid cooling channel 600.
As shown in fig. 5-8, the push rod structure 840 includes: a first drive source 841, a second drive source 842, a nitrogen-cooled tunnel drive rod 843, a nitrogen-cooled tunnel rotary push rod 844, and a dual-position push rod 845; the first driving source 841 is disposed outside the liquid cooling channel, and is configured to push the second driving source 842, the nitrogen-cooled tunnel driving rod 843, the nitrogen-cooled tunnel rotating push rod 844, and the dual-position push rod 845 to move for one stroke position and then reset; the second driving source 842 is connected to the first driving source 841, and is disposed outside the liquid cooling channel, for driving the nitrogen-cooled tunnel driving rod 843 and the nitrogen-cooled tunnel rotating push rod 844 to rotate; the nitrogen-cooled tunnel drive rod 843 is drivingly connected to the second drive source 842 and disposed through the liquid-cooled channel enclosure; one end of the double-position push rod 845 is rotatably connected to the nitrogen-cooled tunnel driving rod 843, and the other end of the double-position push rod is suspended; the nitrogen-cooled tunnel rotating push rods 844 are provided with a plurality of nitrogen-cooled tunnel rotating push rods 844 which are fixedly connected to the nitrogen-cooled tunnel driving rod 843.
The output side of the first driving source 841 is provided with a first nitrogen-cooled tunnel sliding rail 846, a connecting slider 847 is provided on the first nitrogen-cooled tunnel sliding rail 846, the lower end of the connecting slider 847 is movably adapted to the first nitrogen-cooled tunnel sliding rail 846, and the upper end is fixedly connected to the second driving source 842; limiting blocks 846a are arranged at the front end and the rear end of the first nitrogen-cooled tunnel sliding guide rail 846, as shown in fig. 8.
A plurality of second nitrogen-cooled tunnel sliding guide rails 848 are arranged in the nitrogen-cooled tunnel, a nitrogen-cooled tunnel sliding block 849 is adapted to each second nitrogen-cooled tunnel sliding guide rail 848, a fixed connection block 849a is arranged at the upper end of each nitrogen-cooled tunnel sliding block 849, a fixed connection block 849a is provided with a fixed connection hole (which is blocked by a nitrogen-cooled tunnel driving rod 843 and is not marked), the nitrogen-cooled tunnel driving rod 843 is cylindrical, and the diameter of the fixed connection hole is adapted to the diameter of the nitrogen-cooled tunnel driving rod 843.
The number of the second nitrogen-cooled tunnel sliding rails 848 is two, and the two second nitrogen-cooled tunnel sliding rails 848 are respectively positioned at the front part and the rear part of the nitrogen-cooled tunnel. In the embodiment, 14 nitrogen-cooled tunnel rotating pushrods 844 are provided, the second nitrogen-cooled tunnel sliding guide rail 848 at the front is arranged between the fourth nitrogen-cooled tunnel rotating pushrod 844 and the fifth nitrogen-cooled tunnel rotating pushrod 844, and the second nitrogen-cooled tunnel sliding guide rail 848 at the rear is arranged between the twelfth nitrogen-cooled tunnel rotating pushrod 844 and the thirteenth nitrogen-cooled tunnel rotating pushrod 844. The first to fourteenth described herein are gradually increased from one side to the other side of the first driving source 841. The first driving source 841 and the second driving source 842 in the present invention are also good, and the second driving source or the other driving sources can be selected as a cylinder or a motor, and the specific use condition can be adjusted by those skilled in the art according to actual needs, and the present invention is not limited thereto.
In a further preferred embodiment of the present invention, the fixed connection block and the nitrogen-cooled tunnel sliding block 849 are integrally formed, or both are detachably connected, and preferably, the fixed connection block and the nitrogen-cooled tunnel sliding block are detachably connected, because the shape of the fixed connection block and the nitrogen-cooled tunnel sliding block is greatly different, one-time forming is not facilitated, and the cost is high due to the complicated shape.
The invention further provides in a preferred embodiment that: the nitrogen-cooled tunnel rotating push rod 844 is in threaded connection with the nitrogen-cooled tunnel driving rod 843, because the nitrogen-cooled tunnel rotating push rod 844 is more suitable for mass production, the die casting cost is lower, and the threaded connection is more convenient to maintain; if the place is in threaded connection, the invention is adaptively provided with the following improvement: the nitrogen-cooled tunnel driving rod 843 is provided with a contact plane 843a at the joint of each nitrogen-cooled tunnel rotating push rod 844, and as shown in fig. 6, the contact plane 843a is attached to the bottom end of the nitrogen-cooled tunnel rotating push rod 844; that is, a portion of the material is cut at the junction so that the cut portion forms a plane to enhance the adhesion and the connection stability of the nitrogen-cooled tunnel driving rod 843 and the nitrogen-cooled tunnel rotating push rod 844.
The specific arrangement of the dual position push rod 845 is as follows: a connecting ring 845a is arranged between the double-position push rod 845 and the nitrogen-cooled tunnel driving rod 843, as shown in fig. 7, the connecting ring 845a is sleeved on the nitrogen-cooled tunnel driving rod 843, and is in threaded connection with the double-position push rod 845; further, a limiting ring 845b is fixed to both sides of the connecting ring 845a, and the limiting ring 845b is screwed to the nitrogen-cooled tunnel driving rod 843.
As shown in fig. 9, the embodiment of the invention further provides a conveying method for forming curved glass of a mobile terminal, which comprises the following steps:
step S100, after the 3D curved surface forming die with the single-sheet planar glass blank is pressed, conveying the 3D curved surface forming die to the head end of the liquid cooling channel 600 through the cart structure 820;
step S200, pushing the 3D curved surface forming mold conveyed to the head end of the liquid cooling channel 600 to the tail end of the liquid cooling channel 600 by the pushing structure 830;
step S300, the push rod structure 840 pushes the 3D curved surface forming mold pushed to the tail end of the liquid cooling channel 600 to the head end of the nitrogen cooling tunnel 700 of the hot pressing device station by station, then pushes the 3D curved surface forming mold to the tail end of the nitrogen cooling tunnel 700 continuously, and finally pushes the nitrogen cooling tunnel 700 to finish discharging.
In practical application, the number of the profiling modules, the preheating modules and the cooling modules can be not the number of the invention according to the actual needs and the requirements of different products, only one profiling module can be arranged in profiling, other profiling modules can be used as the preheating modules or the cooling modules, and the specific number is not limited.
In summary, the present invention provides a conveying device and a method for forming curved glass of a mobile terminal, where the conveying device includes: the conveying device comprises: a cart structure, a pushing structure and a pushing rod structure; the pushing structure, the pushing structure and the pushing rod structure are sequentially arranged in hot pressing equipment for forming curved glass of the mobile terminal; the cart structure is arranged at one end of the liquid cooling channel of the hot pressing equipment, which is close to the forming cavity; the pushing structure is arranged at one end of the liquid cooling channel, which is close to the forming cavity, and is perpendicular to the cart structure; the push rod structure is arranged at one end of the liquid cooling channel, which is away from the forming cavity, and is used for pushing the 3D curved surface forming die pushed to the tail end of the liquid cooling channel to the head end of a nitrogen cooling tunnel of the hot pressing equipment one by one, then pushing the 3D curved surface forming die to the tail end of the nitrogen cooling tunnel continuously, and finally pushing the nitrogen cooling tunnel to finish discharging; according to the invention, the conveying device is adopted to orderly and efficiently complete the conveying of the 3D curved surface forming die in the whole forming equipment, so that the curved surface glass forming period is shortened, and the production efficiency is improved.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (9)
1. A conveyor for curved glass forming of a mobile terminal, the conveyor comprising:
the trolley structure is used for conveying the 3D curved surface forming die to the head end of the liquid cooling channel after the 3D curved surface forming die with the single-sheet planar glass blank is pressed;
the pushing structure is used for conveying the 3D curved surface forming die to the tail end of the liquid cooling channel;
the push rod structure is used for conveying the 3D curved surface forming die to the head end of the nitrogen cooling tunnel;
the pushing structure, the pushing structure and the pushing rod structure are sequentially arranged in hot pressing equipment for forming curved glass of the mobile terminal;
the cart structure is arranged at one end of the liquid cooling channel of the hot pressing equipment, which is close to the forming cavity; the pushing structure is arranged at one end of the liquid cooling channel, which is close to the forming cavity, and is perpendicular to the cart structure; the push rod structure is arranged at one end of the liquid cooling channel, which is away from the forming cavity, and is used for pushing the 3D curved surface forming die pushed to the tail end of the liquid cooling channel to the head end of a nitrogen cooling tunnel of the hot pressing equipment one by one, then pushing the 3D curved surface forming die to the tail end of the nitrogen cooling tunnel continuously, and finally pushing the nitrogen cooling tunnel to finish discharging;
the liquid cooling channel is provided with a first baffle at the inlet of the 3D curved surface forming die, the nitrogen cooling tunnel is provided with a second baffle at the outlet of the 3D curved surface forming die, and the first baffle and the second baffle are used for sealing the nitrogen cooling tunnel when the 3D curved surface forming die cools in the nitrogen cooling tunnel; a penetrating hole is formed in the nitrogen cooling tunnel shell outside the nitrogen cooling tunnel, the penetrating hole is used for penetrating through a nitrogen inlet pipeline, and the nitrogen inlet pipeline is used for being connected with a nitrogen source; a liquid cooling runner is further arranged on the nitrogen cooling tunnel shell outside the nitrogen cooling tunnel and used for accommodating cooling liquid capable of circularly flowing so as to cool nitrogen passing through the nitrogen cooling tunnel shell;
the cart structure comprises: the driving source and the carrying vehicle are arranged outside the liquid cooling channel, and an output shaft of the driving source penetrates through the liquid cooling channel shell; the carrying vehicle is connected with an output shaft of the driving source and used for reciprocating between the forming cavity and the liquid cooling channel under the driving of the driving source, and the upper end face of the carrying vehicle is a plane with a size sufficient for placing a curved glass hot-pressing die;
the lower end of the carrying vehicle is provided with two carrying vehicle guide rails, and four carrying vehicle sliding blocks are connected with the two carrying vehicle guide rails in an adaptive manner; when the 3D curved surface glass forming die is conveyed to the last station in the forming cavity, the carrying vehicle is driven by the fifth driving source to drive the four carrying vehicle sliding blocks to move towards the forming cavity along the two carrying vehicle guide rails respectively, after the carrying vehicle is finally stopped, the carrying vehicle is equivalent to the other station behind the last station in the forming cavity, after the 3D curved surface glass forming die is pushed to the carrying vehicle, the carrying vehicle is driven by the fifth driving source to reset, and the carrying vehicle reaches the head end of the liquid cooling channel.
2. The conveying device for forming curved glass of a mobile terminal according to claim 1, wherein a plurality of groups of movable work tables are arranged in the forming cavity, the work tables are composed of a heating plate and a cooling plate, the top surface of the heating plate is used for being in contact with the bottom surface of a 3D curved surface forming die, and the cooling plate is connected below the heating plate; the upper end face of the carrying vehicle is flush with the upper end face of the heating plate.
3. The conveying device for forming curved glass of a mobile terminal according to claim 2, wherein the pushing structure comprises a pushing cylinder, a guide ring, a guide rod and a pushing block; the pushing cylinder is perpendicular to the driving source, and an output shaft of the pushing cylinder penetrates through the liquid cooling channel shell; the axis of the guide ring is the same as the axis of the output shaft of the pushing cylinder in height and parallel to the axis of the output shaft of the pushing cylinder, and the guide rod is movably arranged in the guide ring and penetrates through the liquid cooling channel shell; the pushing block is connected to the guide rod and the end part of the pushing cylinder output shaft in the liquid cooling channel and is used for pushing the die on the vehicle to move towards the other end of the liquid cooling channel.
4. A conveyor for curved glass forming of a mobile terminal according to claim 3, wherein said pusher structure comprises: the device comprises a first driving source, a second driving source, a nitrogen-cooled tunnel driving rod, a nitrogen-cooled tunnel rotating push rod and a double-position push rod;
the first driving source is arranged outside the liquid cooling channel and is used for pushing the second driving source, the nitrogen cooling tunnel driving rod, the nitrogen cooling tunnel rotating push rod and the double-position push rod to move for one stroke position and then reset;
the second driving source is connected with the first driving source, is arranged outside the liquid cooling channel and is used for driving the nitrogen cooling tunnel driving rod and the nitrogen cooling tunnel rotating push rod to rotate;
the nitrogen cooling tunnel driving rod is connected to the second driving source in a driving way and penetrates through the liquid cooling channel shell;
one end of the double-position push rod is rotatably connected with the nitrogen-cooled tunnel driving rod, and the other end of the double-position push rod is suspended in the air;
the nitrogen-cooled tunnel rotating push rods are provided with a plurality of nitrogen-cooled tunnel rotating push rods which are fixedly connected to the nitrogen-cooled tunnel driving rods.
5. The curved glass forming conveying device for a mobile terminal according to claim 4, wherein a first nitrogen-cooled tunnel sliding guide rail is arranged on the output side of the first driving source, a connecting sliding block is arranged on the first nitrogen-cooled tunnel sliding guide rail, the lower end of the connecting sliding block is movably matched with the first nitrogen-cooled tunnel sliding guide rail, and the upper end of the connecting sliding block is fixedly connected with the second driving source; limiting blocks are arranged at the front end and the rear end of the first nitrogen-cooled tunnel sliding guide rail.
6. The curved glass molded conveying device for a mobile terminal according to claim 5, wherein a plurality of second nitrogen-cooled tunnel sliding rails are arranged in the nitrogen-cooled tunnel, a nitrogen-cooled tunnel sliding block is adapted to each of the second nitrogen-cooled tunnel sliding rails, a fixed connection block is arranged at the upper end of the nitrogen-cooled tunnel sliding block, a fixed connection hole is formed in the fixed connection block, the nitrogen-cooled tunnel driving rod is cylindrical, and the diameter of the fixed connection hole is adapted to the diameter of the nitrogen-cooled tunnel driving rod.
7. The conveying device for forming curved glass of a mobile terminal according to claim 6, wherein two second nitrogen-cooled tunnel sliding rails are provided, and the two second nitrogen-cooled tunnel sliding rails are respectively positioned at the front part and the rear part of the nitrogen-cooled tunnel; the fixed connecting hole is a threaded hole, and threads are arranged at the position, connected with the fixed connecting hole, of the nitrogen cooling tunnel driving rod; the nitrogen-cooled tunnel driving rods are provided with a contact plane at the joint of each nitrogen-cooled tunnel rotating push rod, and the contact plane is attached to the bottom end of each nitrogen-cooled tunnel rotating push rod.
8. The conveying device for forming curved glass of a mobile terminal according to claim 1, wherein the nitrogen cooling tunnel is composed of five accommodating cavities for accommodating the 3D curved surface forming molds, and the accommodating cavities can cool the five 3D curved surface forming molds accommodated in the accommodating cavities simultaneously through the cooperation of cooling liquid and nitrogen; the holding cavity is respectively a first holding cavity, a second holding cavity, a third holding cavity, a fourth holding cavity and a fifth holding cavity, the first holding cavity and the second holding cavity are vertically arranged, and when the 3D curved surface forming die is conveyed from the first holding cavity to the second holding cavity, the 3D curved surface forming die is pushed to the next holding cavity through the push rod structure.
9. The conveying method for curved glass forming of a mobile terminal according to any one of claims 1 to 8, wherein the conveying method comprises:
after the 3D curved surface forming die provided with the single-piece plane glass blank is pressed, conveying the 3D curved surface forming die to the head end of a liquid cooling channel through the trolley structure;
pushing the 3D curved surface forming die conveyed to the head end of the liquid cooling channel to the tail end of the liquid cooling channel through the pushing structure;
the push rod structure is used for pushing the 3D curved surface forming die to the tail end of the liquid cooling channel and the nitrogen cooling tunnel head end of the hot pressing equipment one by one, then the push rod structure is continuously pushed to the tail end of the nitrogen cooling tunnel, and finally the nitrogen cooling tunnel is pushed to finish discharging.
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| CN201710760166.7A CN107365059B (en) | 2017-08-30 | 2017-08-30 | Conveying device and method for curved glass forming of mobile terminal |
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| CN201710760166.7A CN107365059B (en) | 2017-08-30 | 2017-08-30 | Conveying device and method for curved glass forming of mobile terminal |
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| CN107365059A (en) | 2017-11-21 |
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