CN111253052B - Automatic glass lens hot press molding system and molding method - Google Patents
Automatic glass lens hot press molding system and molding method Download PDFInfo
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- CN111253052B CN111253052B CN202010275702.6A CN202010275702A CN111253052B CN 111253052 B CN111253052 B CN 111253052B CN 202010275702 A CN202010275702 A CN 202010275702A CN 111253052 B CN111253052 B CN 111253052B
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- 239000011521 glass Substances 0.000 title claims abstract description 128
- 238000000465 moulding Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 238000012546 transfer Methods 0.000 claims abstract description 18
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 238000000137 annealing Methods 0.000 claims description 22
- 230000017105 transposition Effects 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 14
- 230000005674 electromagnetic induction Effects 0.000 claims description 10
- 238000005485 electric heating Methods 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000010923 batch production Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000007723 die pressing method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000007688 edging Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract description 4
- 238000005498 polishing Methods 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007907 direct compression Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 9
- 239000005304 optical glass Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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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
- C03B23/0013—Re-forming shaped glass by pressing
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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
- C03B23/0086—Heating devices specially adapted for re-forming shaped glass articles in general, e.g. burners
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention discloses an automatic glass lens hot press molding system and a molding method, wherein the system comprises a feeding mechanism for feeding glass blanks into a mold; a plurality of molds for forming the glass blank into the glass lens; a separating mechanism for effecting separation of the mold so as to add the glass blank into the mold and take out the glass lens molded in the mold; the temperature supply mechanism is used for controlling the temperature of the die; the finished product transfer mechanism is used for taking out and transferring the glass lens molded in the mold; and the circulating mechanism is used for realizing the circulating movement of the die among the feeding mechanism, the temperature supplying mechanism and the finished product transferring mechanism. The invention can realize full-line automatic production, and can obtain the glass lens meeting the requirements by direct compression molding, thereby omitting complicated procedures such as rough grinding, fine grinding, polishing, centering edging and the like, greatly improving the production efficiency of the glass lens, having higher qualification rate and being beneficial to realizing mass production of high-precision optical lenses.
Description
Technical Field
The invention relates to the field of glass lens forming, in particular to an automatic glass lens hot press forming system and a forming method.
Background
The existing optical glass lens manufacturing process flow generally comprises the steps of firstly casting a blank by utilizing optical glass molten liquid, then cutting the blank to obtain the thickness and the curvature radius which are close to the specifications of the lens, and then carrying out the procedures of rough grinding, fine grinding, polishing, centering edging and the like to finally obtain the glass lens with the requirements of the required specifications. At present, the existing manufacturing process has the defects of numerous steps, relatively time-consuming operation and relatively low production efficiency, and the existing optical glass molding press is mainly single-mold manual operation equipment, and although part of multi-mold equipment improves the production efficiency, the product percent of pass is low, so that the mass production of high-precision optical lenses is difficult to realize. For this reason, there is an urgent need for a molding apparatus capable of mass-producing optical glass lenses with simple and efficient processes.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an automatic glass lens hot press molding system and a molding method, which solve the problems that the existing optical glass lens molding process is complex, the production efficiency is low, and the mass production of glass lenses cannot be realized.
The invention solves the problems by adopting the following technical scheme:
an automated glass lens hot press molding system includes a feed mechanism for feeding a glass blank into a mold;
a plurality of molds for forming the glass blank into the glass lens;
a separating mechanism for effecting separation of the mold so as to add the glass blank into the mold and take out the glass lens molded in the mold;
the temperature supply mechanism is used for controlling the temperature of the die;
the finished product transfer mechanism is used for taking out and transferring the glass lens molded in the mold;
and the circulating mechanism is used for realizing the circulating movement of the die among the feeding mechanism, the temperature supplying mechanism and the finished product transferring mechanism.
Further, as the preferred technical scheme, feed mechanism includes the hopper and sets up the spiral heater in hopper below discharge gate department, spiral heater includes the electric heat core and is the spiral heating pipe of spiral parcel in the electric heat core outside, the discharge end of spiral heating pipe is provided with the stopper, the discharge end intercommunication of stopper has a passage, the lower extreme mouth of pipe of passage is glass blank discharge gate.
Further, as a preferable technical scheme, the mold comprises an upper mold and a lower mold, and a groove matched with the shape of the glass lens is arranged at the opposite center of the upper mold and the lower mold.
Further, as a preferable technical scheme, taper pins and taper holes for aligning and closing the molds are respectively arranged on the upper mold and the lower mold.
Further, as the preferable technical scheme, an electromagnet and an iron core are respectively arranged on the upper die and the lower die, the electromagnet is powered by adopting an electromagnetic induction mode, and an electromagnetic induction power supply area is arranged on a conveying link between the feeding mechanism and the finished product transferring mechanism.
Further, as a preferable technical scheme, the separating mechanism comprises a feeding separating device and a finished product transferring separating device, the feeding separating device comprises a first transposition machine, a first air cylinder, a first telescopic rod and a first electromagnet, the first air cylinder is arranged at the rotating end of the first transposition machine, the first telescopic rod is linked with the first air cylinder, the first electromagnet is fixed at the telescopic end of the first telescopic rod, and an iron block is fixed on the top surface of the upper die;
the finished product transferring and separating device comprises a second transposition machine, a second air cylinder, a second telescopic rod and a second electromagnet, wherein the second air cylinder is arranged at the rotating end of the second transposition machine, the second telescopic rod is linked with the second air cylinder, and the second electromagnet is fixed at the telescopic end of the second telescopic rod.
Further, as a preferable technical scheme, the temperature supply mechanism comprises a constant temperature furnace and a continuous annealing furnace, the constant temperature furnace and the continuous annealing furnace are arranged between the feeding mechanism and the finished product transferring mechanism, and after the mould added with the glass blank sequentially passes through the constant temperature furnace and the continuous annealing furnace, the finished product transferring area where the finished product transferring mechanism is located is reached.
Further, as an optimized technical scheme, the finished product transferring mechanism comprises a third transposition machine, a third telescopic rod and an adsorption device, wherein the third telescopic rod is fixed at the rotating end of the third transposition machine, and a sucker of the adsorption device is arranged at the telescopic end of the third telescopic rod.
Further, as a preferable technical scheme, the circulating mechanism comprises a conveying chain and power equipment for driving the conveying chain to rotate, and the lower die is arranged on the conveying chain.
An automated glass lens hot press molding method comprises the following steps:
step 1: adding spherical glass blanks into a hopper, enabling the spherical glass blanks to enter a spiral heater along the hopper, preheating the spherical glass blanks in the spiral heater, and sequentially and gradually adding the spherical glass blanks into grooves on a lower die one by one through a material guide pipe under the control of a limiter;
step 2: after the feeding is finished, the upper die adsorbed by the electromagnet is covered on the lower die by the transposition machine, the electromagnet is separated from the upper die after the electromagnet is powered off, and the upper die and the lower die are closed;
step 3: the upper die and the lower die after die assembly enter a constant temperature furnace along with a conveying chain to finish die pressing constant temperature, then enter a continuous annealing furnace to enable the temperature of the die to decline in a gradient manner, and finish annealing;
step 4: the annealed upper die is attracted by an electromagnet, and the upper die is lifted by an indexing machine and is rotated to a position right above a certain position in a motion track behind a corresponding lower die;
step 5: adsorbing and transferring a glass lens finished product on the lower die through a sucker;
step 6: the cylinder on the transposition machine drives the telescopic rod, the upper die is placed on the lower die which has transferred the finished glass lens, the die assembly is completed, the conveyor belt drives the die to return to the feeding area, the transposition machine moves the upper die away, the lower die is charged again through the material guide pipe, and the circulation is performed, so that the automatic batch production of the glass lens is completed.
Compared with the prior art, the invention has the following beneficial effects:
(1) The invention adds the glass blank into the mould through the feeding mechanism, the mould can be made into a structure with separable upper and lower parts, the glass blank is shaped in the mould after being heated, the glass lens obtained after the shaping is transferred out of the mould under the action of the finished product transfer mechanism, and the circulation mechanism realizes the back and forth circulation movement of the mould so as to realize the addition and shaping of the glass blank, and then the processing is completed and the finished product transfer is carried out. Through the design, the glass lens is automatically and simply operated and high-efficiency in the whole process from feeding, forming to transferring by utilizing the continuous and reversible hot processing property of the glass material in the process of converting from a molten state to a solid state and heating and pressurizing the glass and the mold near the glass transition temperature, and the glass lens is directly molded by heating and pressurizing the glass blank and the mold, so that the glass lens meeting the requirements is obtained, complicated procedures such as rough grinding, fine grinding, polishing, centering edging and the like are omitted, the production efficiency of the glass lens is greatly improved, the qualification rate is higher, and the mass production of high-precision optical lenses is facilitated.
(2) The invention realizes preheating in the process of spirally falling the glass blank from top to bottom by the spiral heater, has good preheating effect, does not influence the feeding efficiency, ensures that the glass blank is faster and better molded, and improves the molding efficiency and molding quality.
(3) According to the invention, the electromagnet and the iron core are respectively arranged on the upper die and the lower die, the electromagnet is powered by adopting an electromagnetic induction mode, and after the upper die and the lower die are closed, the die closing and pressure maintaining are realized in an electromagnetic induction power supply area, so that the forming quality of the glass lens is effectively improved.
(4) According to the invention, the temperature supply mechanism is arranged as the constant temperature furnace and the continuous annealing furnace, the constant temperature furnace can provide constant temperature of about 400 ℃, and the die is used for realizing die assembly, pressure maintaining and constant temperature forming in the constant temperature furnace, so that the forming quality and efficiency of glass blanks are guaranteed, and after the die assembly, pressure maintaining and constant temperature forming, a continuous annealing treatment of 400-25 ℃ is provided through the continuous annealing furnace, so that a good temperature environment is further provided for forming the glass blanks, and the better forming quality is guaranteed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a spiral heater according to the present invention;
fig. 3 is a schematic diagram of the functional area structure of the present invention.
The names corresponding to the reference numerals in the figures are:
1. the device comprises a hopper, 2, a spiral heater, 3, a limiter, 4, a material guide pipe, 5, a lower die, 6, a conveying chain, 7, a first rotating machine, 8, a first cylinder, 9, a first telescopic rod, 10, a first electromagnet, 11, an iron block, 12, an upper die, 13, a constant temperature furnace, 14, a continuous annealing furnace, 15, a second rotating machine, 16, a second cylinder, 17, a second telescopic rod, 18, a second electromagnet, 19, a third rotating machine, 20, a third cylinder, 21, an adsorption device, 22, a finished glass lens, 23, an electric heating core, 24, a spiral heating pipe, 25 and a glass blank.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
Example 1
As shown in FIG. 1, an automated glass lens hot press molding system according to a preferred embodiment of the present invention includes a feed mechanism for feeding glass blanks into a mold;
a plurality of molds for forming the glass blank into the glass lens;
a separating mechanism for effecting separation of the mold so as to add the glass blank into the mold and take out the glass lens molded in the mold;
the temperature supply mechanism is used for controlling the temperature of the die;
the finished product transfer mechanism is used for taking out and transferring the glass lens molded in the mold;
and the circulating mechanism is used for realizing the circulating movement of the die among the feeding mechanism, the temperature supplying mechanism and the finished product transferring mechanism.
In the scheme, glass blanks (also called spherical blanks) are added into a die through a feeding mechanism, the die can be made into an upper and lower separable structure, the glass blanks are molded in the die after being heated, glass lenses obtained after the molding are transferred out of the die under the action of a finished product transfer mechanism, and a circulation mechanism realizes the back and forth circulation movement of the die so as to realize the addition and molding of the glass blanks, and then the glass blanks are processed and transferred to a finished product. Through the design, the glass lens is automatically and simply operated and high-efficiency in the whole process from feeding, forming to transferring by utilizing the continuous and reversible hot processing property of the glass material in the process of converting from a molten state to a solid state and heating and pressurizing the glass and the mold near the glass transition temperature, and the glass lens is directly molded by heating and pressurizing the glass blank and the mold, so that the glass lens meeting the requirements is obtained, complicated procedures such as rough grinding, fine grinding, polishing, centering edging and the like are omitted, the production efficiency of the glass lens is greatly improved, the qualification rate is higher, and the mass production of high-precision optical lenses is facilitated.
In order to better realize feeding, the embodiment provides a specific feeding mechanism structure, which comprises a hopper 1 and a spiral heater 2 arranged at a discharge hole below the hopper 1, wherein the spiral heater 2 comprises an electric heating core 23 and a spiral heating pipe 24 spirally wrapped outside the electric heating core 23, as shown in fig. 2. The discharge end of the spiral heating pipe 24 is provided with a limiter 3, the discharge end of the limiter 3 is communicated with a material guiding pipe 4, and the lower pipe orifice of the material guiding pipe 4 is a glass blank discharge hole. The glass blank is continuously added into the hopper 1 through an external common feeder, then enters the spiral heating pipe 24 through a discharge hole below the hopper 1, and the spiral heating pipe 24 is heated by the electric heating core 23, so that the glass blank is preheated, the preheating temperature can reach about 395 ℃, and the preheated glass blank rolls down into a die on the circulating mechanism one by one and sequentially through the material guide pipe 4 under the action of the limiter 3. It should be noted that, the limiter 3 in this embodiment is of an existing structure, which is relatively commonly used in pipeline operation, and the purpose of the limiter is to control the orderly addition of raw materials, so that detailed structures and working principles of the limiter are not repeated herein. In addition, the electric heating core 23 of the embodiment is also of an existing structure, and the purpose of the electric heating core is to provide heat for preheating the glass blank, the spiral heating pipe 24 achieves preheating in the process that the glass blank spirally falls from top to bottom, the preheating effect is good, the feeding efficiency is not affected, and the feeding mechanism provided by the embodiment can achieve preheating of the glass blank before the glass blank is added into the die, so that the glass blank can be molded faster and better, and the molding efficiency and the molding quality are improved.
The mould of this embodiment includes mould 12 and bed die 5, go up mould 12 with bed die 5 relative center department is equipped with glass lens shape assorted recess, the shape of this recess is the same with the shape of the glass lens that waits to take shape, through setting up the mould into the disconnect-type structure from top to bottom, has made things convenient for feeding and finished product to shift, can effectively improve production efficiency.
In addition, in order to further improve the precision of the upper and lower mold closing, the taper pins and taper holes for aligning the closing are respectively provided on the upper mold 12 and the lower mold 5 in this embodiment, so that the precision closing is realized, and the molding quality of the glass lens is ensured.
On the basis of realizing accurate die assembly, in order to realize die assembly pressure maintaining, in the embodiment, an electromagnet and an iron core are respectively arranged on the upper die 12 and the lower die 5, the electromagnet is powered in an electromagnetic induction mode, and an electromagnetic induction power supply area is arranged on a conveying link between the feeding mechanism and the finished product transferring mechanism. After the lower die is charged, the upper die and the lower die are closed, the upper die and the lower die after closing move to an electromagnetic induction power supply area, and after the electromagnet on the upper die 12/the lower die 5 is electrified, the electromagnet is attracted with the iron core on the lower die 5/the upper die 12, so that the closing and pressure maintaining are realized, and the forming quality of the glass lens is effectively improved.
The separating mechanism of the embodiment comprises a feeding separating device and a finished product transferring separating device, wherein the feeding separating device comprises a first transposition machine 7, a first air cylinder 8, a first telescopic rod 9 and a first electromagnet 10, the first air cylinder 8 is arranged at the rotating end of the first transposition machine 7, the first telescopic rod 9 is in linkage with the first air cylinder 8, the first electromagnet 10 is fixed at the telescopic end of the first telescopic rod 9, and an iron block 11 is fixed on the top surface of an upper die 12. When the lower die 5 moves to the vicinity of the feeding area, the first indexing machine 7 is stopped moving, the first electromagnet 10 controlling the telescopic end of the first telescopic rod 9 is positioned right above the upper die 12, then the first air cylinder 8 controlling the first telescopic rod 9 to extend to the upper die 5, enabling the first electromagnet 10 to be electrified and then to be attracted with the iron block 11 on the upper die 12, then lifting the upper die 12 upwards through the first air cylinder 8, controlling the first indexing machine 7 to rotate the lifted upper die 12 to a certain position of a moving path after the feeding of the lower die 5, controlling the first telescopic rod 9 to put the upper die 12 back onto the lower die 5, enabling the first electromagnet 10 to be separated from the iron block 11 on the upper die 12 after the power is cut off, and accordingly completing the separation before the feeding of the dies and the die closing after the feeding of the dies.
Similarly, in order to remove and transfer the finished glass lens from the mold, the finished transfer and separation device of the present embodiment includes a second indexer 15, a second cylinder 16, a second telescopic rod 17, and a second electromagnet 18, where the second cylinder 16 is disposed at a rotating end of the second indexer 15, the second telescopic rod 17 is linked with the second cylinder 16, and the second electromagnet 18 is fixed at a telescopic end of the second telescopic rod 17. The working principle is similar to that of the feeding and separating device, so that the separation process in the process of transferring the finished product is not repeated.
In order to improve the molding quality and the molding efficiency, the temperature supply mechanism of the embodiment comprises a constant temperature furnace 13 and a continuous annealing furnace 14, wherein the constant temperature furnace 13 and the continuous annealing furnace 14 are arranged between a feeding mechanism and a finished product transferring mechanism, and a die for adding glass blanks sequentially passes through the constant temperature furnace 13 and the continuous annealing furnace 14 and then reaches a finished product transferring area where the finished product transferring mechanism is located. The constant temperature furnace 13 can provide a constant temperature of about 400 ℃, and the die realizes die assembly, pressure maintaining and constant temperature forming in the constant temperature furnace 13, so that the forming quality and efficiency of the glass blank are guaranteed, and after the die assembly, pressure maintaining and constant temperature forming, a continuous annealing treatment of 400-25 ℃ is provided through the continuous annealing furnace 14, so that a good temperature environment is further provided for forming the glass blank, and the better forming quality is guaranteed.
In order to facilitate the removal and transfer of the finished glass lens, the finished product transfer mechanism of the present embodiment includes a third indexing machine 19, a third telescopic rod 20 and an adsorption device 21, wherein the third telescopic rod 20 is fixed at the rotating end of the third indexing machine 19, and the suction cup of the adsorption device 21 is disposed at the telescopic end of the third telescopic rod 20. After the lower die 5 after the glass lens is molded reaches a finished product transferring area, the upper die 12 and the lower die 5 are separated by a finished product transferring and separating device, the sucker of the sucker device 21 is rotated to be right above the glass lens by a third transposition machine 19, then the sucker device 21 is started, the glass lens is sucked up by the sucker and is transferred to other temporary storage areas, and finished product transferring is completed.
As shown in fig. 3, the circulation mechanism of the embodiment includes a conveying chain 6 and a power device for driving the conveying chain 6 to rotate, the lower mold 5 is arranged on the conveying chain 6, the conveying chain 6 is in an annular structure, the lower mold 5 is under the action of the power device to realize annular movement, the mold after feeding is completed enters an electromagnetic induction power supply area, mold closing, pressure maintaining, constant temperature and continuous annealing treatment are realized in the area, and finally, molding is performed, and the glass lens after molding is taken out and transferred in a finished product transfer area. In addition, in order to further improve the molding efficiency of the glass lens, the embodiment can also set a mold preheating zone in the zone where the mold finishes the transfer of the finished product to the feeding zone, so that the mold has a certain temperature during feeding, thereby being capable of realizing the molding of the glass lens more quickly, the mold preheating zone can adopt a preheating furnace for heating or other heating modes, and such heating structure and heating mode belong to the prior art in the existing assembly line operation, so that the structure and the working principle of the preheating furnace are not repeated. The power equipment of this embodiment is an existing structure, such as a common motor, and is quite common in pipeline operation, so the specific structure and working principle of the conveying chain 6 and the power equipment will not be described too much.
The following provides a method for forming glass lenses based on the forming system, which is specifically as follows:
an automated glass lens hot press molding method comprises the following steps:
step 1: adding spherical glass blanks into a hopper, enabling the spherical glass blanks to enter a spiral heater along the hopper, preheating the spherical glass blanks in the spiral heater, and sequentially and gradually adding the spherical glass blanks into grooves on a lower die one by one through a material guide pipe under the control of a limiter;
step 2: after the feeding is finished, the upper die adsorbed by the electromagnet is covered on the lower die by the transposition machine, the electromagnet is separated from the upper die after the electromagnet is powered off, and the upper die and the lower die are closed;
step 3: the upper die and the lower die after die assembly enter a constant temperature furnace along with a conveying chain to finish die pressing constant temperature, then enter a continuous annealing furnace to enable the temperature of the die to decline in a gradient manner, and finish annealing;
step 4: the annealed upper die is attracted by an electromagnet, and the upper die is lifted by an indexing machine and is rotated to a position right above a certain position in a motion track behind a corresponding lower die;
step 5: adsorbing and transferring a glass lens finished product on the lower die through a sucker;
step 6: the cylinder on the transposition machine drives the telescopic rod, the upper die is placed on the lower die which has transferred the finished glass lens, the die assembly is completed, the conveyor belt drives the die to return to the feeding area, the transposition machine moves the upper die away, the lower die is charged again through the material guide pipe, and the circulation is performed, so that the automatic batch production of the glass lens is completed.
As described above, the present invention can be preferably implemented.
The foregoing description of the preferred embodiment of the invention is not intended to limit the invention in any way, but rather to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. An automated glass lens hot press molding system comprising a feed mechanism for feeding a glass blank into a mold;
a plurality of molds for forming the glass blank into the glass lens;
a separating mechanism for effecting separation of the mold so as to add the glass blank into the mold and take out the glass lens molded in the mold;
the temperature supply mechanism is used for controlling the temperature of the die;
the finished product transfer mechanism is used for taking out and transferring the glass lens molded in the mold;
the circulating mechanism is used for realizing the circulating movement of the die among the feeding mechanism, the temperature supplying mechanism and the finished product transferring mechanism;
the mold comprises an upper mold (12) and a lower mold (5), and a groove matched with the shape of the glass lens is formed in the center of the upper mold (12) opposite to the center of the lower mold (5);
the feeding mechanism comprises a hopper (1) and a spiral heater (2) arranged at a discharge hole below the hopper (1), the spiral heater (2) comprises an electric heating core (23) and a spiral heating pipe (24) spirally wrapped outside the electric heating core (23), a limiter (3) is arranged at the discharge end of the spiral heating pipe (24), a material guide pipe (4) is communicated with the discharge end of the limiter (3), and the lower pipe orifice of the material guide pipe (4) is a glass blank discharge hole;
the temperature supply mechanism comprises a constant temperature furnace (13) and a continuous annealing furnace (14), the constant temperature furnace (13) and the continuous annealing furnace (14) are arranged between the feeding mechanism and the finished product transfer mechanism, and after the mould added with the glass blank sequentially passes through the constant temperature furnace (13) and the continuous annealing furnace (14), the finished product transfer area where the finished product transfer mechanism is positioned is reached;
the separating mechanism comprises a feeding separating device and a finished product transferring separating device, the feeding separating device comprises a first transposition machine (7), a first air cylinder (8), a first telescopic rod (9) and a first electromagnet (10), the first air cylinder (8) is arranged at the rotating end of the first transposition machine (7), the first telescopic rod (9) is linked with the first air cylinder (8), the first electromagnet (10) is fixed at the telescopic end of the first telescopic rod (9), and an iron block (11) is fixed on the top surface of the upper die (12);
the finished product transferring and separating device comprises a second indexing machine (15), a second air cylinder (16), a second telescopic rod (17) and a second electromagnet (18), wherein the second air cylinder (16) is arranged at the rotating end of the second indexing machine (15), the second telescopic rod (17) is linked with the second air cylinder (16), and the second electromagnet (18) is fixed at the telescopic end of the second telescopic rod (17).
2. An automated glass lens hot press molding system according to claim 1, wherein the upper mold (12) and the lower mold (5) are provided with taper pins and taper holes for alignment mold clamping, respectively.
3. An automated glass lens hot press molding system according to claim 2, wherein the upper mold (12) and the lower mold (5) are respectively provided with an electromagnet and an iron core, the electromagnet is powered by electromagnetic induction, and an electromagnetic induction power supply area is arranged on a transmission link between the feeding mechanism and the finished product transfer mechanism.
4. An automated glass lens hot press molding system according to claim 1, wherein the finished product transfer mechanism comprises a third indexer (19), a third telescopic rod (20) and an adsorption device (21), the third telescopic rod (20) being fixed to a rotating end of the third indexer (19), and a suction cup of the adsorption device (21) being provided to a telescopic end of the third telescopic rod (20).
5. An automated glass lens hot press molding system according to claim 1, wherein the circulation mechanism comprises a conveyor chain (6) and a power device for driving the conveyor chain (6) to rotate, and the lower mold (5) is disposed on the conveyor chain (6).
6. An automated glass lens hot press molding method, employing an automated glass lens hot press molding system of claim 1 to effect glass lens hot press molding, comprising the steps of:
step 1: adding spherical glass blanks into a hopper, enabling the spherical glass blanks to enter a spiral heater along the hopper, preheating the spherical glass blanks in the spiral heater, and sequentially and gradually adding the spherical glass blanks into grooves on a lower die one by one through a material guide pipe under the control of a limiter;
step 2: after the feeding is finished, the upper die adsorbed by the electromagnet is covered on the lower die by the transposition machine, the electromagnet is separated from the upper die after the electromagnet is powered off, and the upper die and the lower die are closed;
step 3: the upper die and the lower die after die assembly enter a constant temperature furnace along with a conveying chain to finish die pressing constant temperature, then enter a continuous annealing furnace to enable the temperature of the die to decline in a gradient manner, and finish annealing;
step 4: the annealed upper die is attracted by an electromagnet, and the upper die is lifted by an indexing machine and is rotated to a position right above a certain position in a motion track behind a corresponding lower die;
step 5: adsorbing and transferring a glass lens finished product on the lower die through a sucker;
step 6: the cylinder on the transposition machine drives the telescopic rod, the upper die is placed on the lower die which has transferred the finished glass lens, the die assembly is completed, the conveyor belt drives the die to return to the feeding area, the transposition machine moves the upper die away, the lower die is charged again through the material guide pipe, and the circulation is performed, so that the automatic batch production of the glass lens is completed.
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| CN114573215B (en) * | 2021-05-24 | 2023-07-07 | 深圳市泰视朗科技有限公司 | Automatic forming equipment for semi-finished product of camera lens |
| CN114161688A (en) * | 2021-06-16 | 2022-03-11 | 成都晶华光电科技股份有限公司 | Optical lens blank processing die mould system |
| CN113968668B (en) * | 2021-11-01 | 2022-06-17 | 山东景耀玻璃集团有限公司 | Lightweight glass container forming die system and use method thereof |
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