CN113480148A - Large optical glass press - Google Patents
Large optical glass press Download PDFInfo
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- CN113480148A CN113480148A CN202110831977.8A CN202110831977A CN113480148A CN 113480148 A CN113480148 A CN 113480148A CN 202110831977 A CN202110831977 A CN 202110831977A CN 113480148 A CN113480148 A CN 113480148A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
- C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
- C03B11/122—Heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention discloses a large-scale optical glass press, which comprises a die, a frame, a base and an electric heating device, wherein the frame is arranged on the base, the die comprises a bottom die, middle mould and moulding-die, die block and middle mould set up on the base, the moulding-die sets up in the frame, electric heater unit includes first heating device, the second heating device, third heating device and fourth heating device, first heating device sets up and is used for the outlying preheating of middle mould and keeps the suppression temperature of middle mould in the pressing process on the base, the second heating device sets up and is used for the outlying preheating of moulding-die and keeps the suppression temperature of moulding-die in the pressing process in the frame, third heating device passes through the collateral branch strut setting on the base and can remove to controlling to remove to directly over the middle mould for the middle mould preheats, fourth heating device passes through the collateral branch strut setting on the base and can remove to directly over the moulding-die and preheat for the moulding-die.
Description
Technical Field
The invention belongs to the technical field of glass processing, and particularly relates to a large optical glass press.
Background
At present, for ensuring the quality of pressing for optical glass elements, the inside and outside temperature difference of a pressing mould is required to be kept within a certain range in the pressing process, in the prior art, the inside and outside temperature difference of the mould can be kept within a certain range for small glass, but for large glass (the diameter is 300mm-500 mm), the diameter of the mould is larger due to the larger diameter, and the inside of the mould is not easily heated during heating, so that the inside and outside temperature difference of the mould is larger, and the defective proportion of the generated glass is increased.
Disclosure of Invention
The invention aims to provide a large optical glass press, which can keep the temperature difference between the inside and the outside of a mould within a specified range, thereby improving the quality of the produced large optical glass and reducing the generation of defective products.
Therefore, the technical scheme adopted by the invention is as follows: the utility model provides a large-scale optical glass press, includes mould, frame, base and electric heater unit, the mould includes die block, middle mould and moulding-die, the frame sets up on the base, the mould is located between frame and the base, die block and middle mould set up on the base, the moulding-die sets up in the frame, electric heater unit includes first heating device, second heating device, third heating device and fourth heating device, first heating device sets up and is used for the outlying suppression temperature of preheating of middle mould and keeping middle mould in the pressing process on the base, second heating device sets up and is used for the outlying preheating of moulding-die and keeps the suppression temperature of moulding-die in the pressing process in the frame, third heating device passes through the collateral branch strut setting and moves about on the base and can move and preheat for middle mould directly over to the middle mould, fourth heating device passes through the collateral branch strut setting and moves about on the base and can move for moulding-die directly over to the moulding-die And (4) preheating.
As the preferred of above-mentioned scheme, the base includes cuboid frame and the working face of setting on the cuboid frame, the cuboid frame passes through the fixed setting of ground fixed block subaerial, the die block is fixed to be set up on the working face, be provided with positioning hole on the working face, be provided with in the positioning hole with die block integrated into one piece's location arch, the fixed setting of middle mould is on the die block.
Further preferably, still including setting up the mould ejecting device on the base, mould ejecting device includes the liftout plate, the middle part of die block is provided with the ejecting hole with the die block coaxial line, the liftout plate sets up in the ejecting hole, the liftout plate below is provided with the ejector pin, the ejector pin passes downwards behind the location arch and is provided with ejecting power device, ejecting power device is used for promoting ejector pin upward movement and realizes the drawing of patterns.
Preferably, the ejecting power device comprises an ejecting moving plate, an ejecting motor is arranged below the ejecting moving plate, the ejecting motor is fixedly arranged on the ground through a door-shaped fixing seat, the ejecting motor is located in the middle of the door-shaped fixing seat, two ejecting guide pillars are arranged between the ejecting moving plate and the top of the door-shaped fixing seat at intervals in the front-back direction, a pry bar is further arranged between the ejecting moving plate and the top of the door-shaped fixing seat, a rotating shaft is arranged in the middle of the pry bar in the front-back direction, rotating shaft fixing seats are fixedly arranged on the front side face and the rear side face of the door-shaped fixing seat, and the front end and the rear end of the rotating shaft are rotatably arranged on the corresponding rotating shaft fixing seats.
Preferably, the first heating device comprises a first heating sleeve, the first heating sleeve is fixedly arranged on the bottom die and sleeved outside the middle die, the upper top surface of the first heating sleeve is not lower than that of the middle die, and a spiral resistance wire is arranged in the first heating sleeve.
Preferably, the rack comprises a guide plate and a top plate, at least four support columns are arranged on the base in a rectangular shape, the guide plate is arranged in the middle of each support column, the top plate is arranged at the upper end of each support column, a pressing motor is arranged on the top plate, a telescopic end of the pressing motor penetrates downwards through the top plate to be provided with a pressing moving plate, a moving rod is arranged below the pressing moving plate, and a pressing die is arranged after the moving rod penetrates through the guide plate.
Preferably, the second heating device comprises a second heating sleeve, the second heating sleeve is sleeved outside the pressing die, the lower bottom surface of the second heating sleeve is not more than that of the pressing die, the second heating sleeve is fixedly arranged on the downward-pressing moving plate through connecting rods arranged at left and right intervals, the second heating sleeve is located below the guide plate, and a spiral resistance wire is arranged in the second heating sleeve.
Further preferably, the side support frame comprises a triangular prism frame arranged on the left side surface of the base, the top surface of the triangular prism frame is horizontally arranged, and a support plate is arranged on the triangular prism frame.
Further preferably, third heating device is including the first heating plate that is the vortex form, first heating plate sets up on first movable plate through first link, the interval is provided with first slider around the first movable plate below, first slider slidable sets up on first guide rail, first guide rail is fixed to be set up in the backup pad, the left side of first movable plate is provided with first connecting plate, first connecting plate links to each other with the flexible end of fixing the first mobile motor in the backup pad, and when first mobile motor during operation, it removes about first movable plate is followed first guide rail to drive through first connecting plate.
Further preferably, fourth heating device is including the second heating plate that is the vortex form, the second heating plate passes through the second link setting on the second movable plate, the interval is provided with the second slider around the second movable plate below, second slider slidable sets up on the second guide rail, the second guide rail passes through the guide rail mount and sets up in the backup pad, the left side of second movable plate is provided with the second connecting plate, the second connecting plate links to each other with the flexible end of fixing the second mobile motor on the guide rail mount, and when the second mobile motor during operation, it removes about on the second guide rail to drive the second movable plate through the second connecting plate.
The invention has the beneficial effects that:
1) when the device is used, the third heating device and the fourth heating device move to corresponding positions respectively to preheat the middle die and the pressing die respectively, after the four heating devices preheat the die to a certain degree, the third heating device and the fourth heating device are moved away and closed, and the first heating device and the second heating device continue to heat to keep the temperature of the die and prevent the die from being cooled rapidly, so that the quality of pressed glass is influenced;
2) the four heating devices can preheat the mold, the mold can be quickly preheated, and the third heating device and the fourth heating device can preheat the interior of the mold, so that the temperature difference between the interior and the exterior of the mold is kept within a specified range, the quality of the produced large optical glass is improved, and the generation of defective large optical glass products is reduced;
3) the electric heating mode is adopted during heating, the generation of environmental pollution and the like can be effectively reduced, meanwhile, the heating temperature of the controller can be relatively accurately controlled, and the temperature difference inside and outside the die is further reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a base, a first heating device and a mold ejection device according to the present invention.
Fig. 3 is a perspective view of a base, a first heating device and a mold ejector according to the present invention.
Fig. 4 is a perspective view of the mold ejection device of the present invention.
Fig. 5 is a schematic view of a frame and a second heating device of the present invention.
Fig. 6 is a perspective view of the frame and the second heating means of the present invention.
Fig. 7 is a perspective view of the side support frame, the third heating means and the fourth heating means of the present invention.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1-7, a large optical glass press mainly comprises a mold a, a frame B, a base C, a mold ejection device J, side support frames H and an electric heating device. Wherein the frame B is arranged on the base C, and the mould A is positioned between the frame B and the base C. The mold A mainly comprises a bottom mold 1, an intermediate mold 2 and a pressing mold 3, wherein the bottom mold 1 and the intermediate mold 2 are arranged on a base C, and the pressing mold 3 is arranged on a rack B.
The electric heating device specifically comprises a first heating device D, a second heating device E, a third heating device F and a fourth heating device G, wherein the first heating device D is arranged on a base C and used for preheating the periphery of the middle die 2 and keeping the pressing temperature of the middle die 2 in the pressing process, the second heating device E is arranged on a rack B and used for preheating the periphery of the pressing die 3 and keeping the pressing temperature of the pressing die 3 in the pressing process, the third heating device F is arranged on the base C through a side support frame H and can move left and right to the position right above the middle die 2 to preheat the middle die 2, and the fourth heating device G is arranged on the base C through a side support frame H and can move left and right to the position right above the pressing die 3 to preheat the pressing die 3.
The concrete structure of base C includes cuboid frame 4 and the working face 5 of setting on cuboid frame 4, and cuboid frame 4 is fixed to be set up subaerial through ground fixed block 6, and wherein cuboid frame 4 supports the weld forming for 12, and for the vertical support integrated into one piece on convenient manufacturing ground fixed block 6 and the cuboid frame 4. In order to facilitate the fixing of the bottom die 1 on the working surface 5, the working surface 5 is provided with a positioning through hole 5a, a positioning bulge 1a integrally formed with the bottom die 1 is arranged in the positioning through hole 5a, and the middle die 2 is fixedly arranged on the bottom die 1.
For conveniently taking out the product after the compression molding, be provided with mould ejecting device J on base C, mould ejecting device J's concrete structure includes ejector plate 7, is provided with the ejecting hole with die block 1 coaxial line in the middle part of die block 1, and ejector plate 7 sets up in the ejecting hole, is provided with ejector rod 8 below ejector plate 7, and ejector rod 8 is provided with ejecting power device after passing location arch 1a downwards.
The specific structure of the ejection power device comprises an ejection moving plate 9, an ejection motor 10 is arranged below the ejection moving plate 9, the ejection motor 10 is fixedly arranged on the ground through a door-shaped fixed seat 11, the ejection motor 10 is located in the middle of the door-shaped fixed seat 11, two ejection guide pillars 12 are arranged between the top of the ejection moving plate 9 and the top of the door-shaped fixed seat 11 at intervals in the front-back direction, and ejection guide sleeves are arranged between the ejection guide pillars 12 and the door-shaped fixed seat 11. When the ejector motor 10 operates, the ejector plate 7 is pushed by the ejector moving plate 9 and the ejector rod 8, so that the pressed product is ejected, which is electric ejection.
A pry bar 13 in a shape like a 'Z' is further arranged between the jacking moving plate 9 and the top of the door-shaped fixed seat 11 towards the left, a rotating shaft 14 is arranged in the middle of the pry bar 13 (located in front of the first turning of the Z-shape) along the front-back direction, a pedal is arranged at the right end of the pry bar 13, rotating shaft fixed seats 15 are fixedly arranged on the front side and the rear side of the door-shaped fixed seat 11 of the pry bar 13, and the front end and the rear end of the rotating shaft 14 are rotatably arranged on the corresponding rotating shaft fixed seats 15. When the right end of the pry bar 13 is stepped down, the jacking moving plate 9 is moved up by the lever principle, so that the pressed product is ejected, which is manual ejection.
The specific structure of the first heating device D comprises a first heating sleeve 16, the first heating sleeve 16 is fixedly arranged on the bottom die 1 and sleeved outside the middle die 2, the upper top surface of the first heating sleeve 16 is not lower than that of the middle die 2, and a spiral resistance wire is arranged in the first heating sleeve 16. The working face 5 is provided with 4 bottom die pressing blocks capable of fixing the bottom die 1 on the working face, in order to ensure that the first heating sleeve 16 is coaxial with the middle die 2, 1 clamping block is arranged on one side below the first heating sleeve 16, the clamping block can be clamped on the bottom die pressing block, and the rest bottom die pressing blocks are abutted to the lower side of the first heating sleeve 16.
The specific structure of frame B includes deflector 18 and roof 19, be the rectangle on base C and be provided with four piece at least support columns 17, deflector 18 sets up the middle part at support column 17, roof 19 sets up the upper end at support column 17, is provided with down motor 20 on the roof 19, and the flexible end of down motor 20 is provided with down-pressure movable plate 21 after passing roof 19 downwards, is provided with carriage release lever 22 under the down-pressure movable plate 21, and the carriage release lever 22 is provided with moulding-die 3 after passing deflector 18. When the press motor 20 is operated, the press die 3 can be moved up and down by pressing the moving plate 21 and the moving rod 22.
In order to prevent the die 3 from moving excessively when moving up and down, two limiting blocks are fixedly arranged on the guide plate 18, the two limiting blocks are assembled and then sleeved outside the moving rod 22, a displacement sensor capable of detecting the downward moving distance of the die 3 is arranged on the limiting blocks, and the pressing motor 20 adopts a servo electric cylinder capable of accurately controlling the displacement.
The specific structure of the second heating device E comprises a second heating jacket 23, the second heating jacket 23 is sleeved outside the pressing die 3, and the lower bottom surface of the second heating jacket 23 is not more than the lower bottom surface of the pressing die 3, so as to ensure that the pressing die 3 can be pressed on the intermediate die 2, the distance from the upper top surface of the first heating jacket 16 to the upper top surface of the intermediate die 2 is equal to the distance from the lower bottom surface of the pressing die 3 to the lower bottom surface of the second heating jacket 23. The second heating jacket 23 is fixedly arranged on the downward-pressing moving plate 21 through connecting rods 24 arranged at left and right intervals, the second heating jacket 23 is positioned below the guide plates 18, connecting guide sleeves are arranged between the connecting rods 24 and the guide plates 18, and spiral resistance wires are arranged in the second heating jacket.
The concrete structure of the side support frame H comprises a triangular prism frame 25 arranged on the left side surface of the base C, the top surface of the triangular prism frame 25 is horizontally arranged, and a support plate 26 is arranged on the triangular prism frame 25.
The third heating device F specifically includes a first heating plate 27 in a vortex shape, the first heating plate 27 is disposed on a first moving plate 29 through a first connecting frame 28, first sliders 30 are disposed below the first moving plate 29 at intervals in the front-back direction, the first sliders 30 are slidably disposed on first guide rails 31, the first guide rails 31 are fixedly disposed on a support plate 26, a first connecting plate 32 is disposed on the left side of the first moving plate 29, the first connecting plate 32 is connected with the telescopic ends of first moving motors 33 fixed on the support plate 26, and when the first moving motors 33 work, the first moving plate 29 is driven by the first connecting plate 32 to move left and right along the first guide rails 31.
The specific structure of the fourth heating device G includes a second heating plate 34 in a vortex shape, the second heating plate 34 is disposed on a second moving plate 36 through a second connecting frame 35, second sliders 37 are disposed below the second moving plate 36 at intervals in a front-back direction, the second sliders 37 are slidably disposed on a second guide rail 38, the second guide rail 38 is disposed on the support plate 26 through a guide rail fixing frame 39, a second connecting plate 40 is disposed on the left side of the second moving plate 36, the second connecting plate 40 is connected to a telescopic end of a second moving motor 41 fixed on the guide rail fixing frame 39, and when the second moving motor 41 works, the second moving plate 36 is driven to move left and right on the second guide rail 38 through the second connecting plate 40.
A temperature sensor is arranged on the die A, a control system is arranged on the left side of the base C, and the control system is electrically connected with the motor, the resistance wire, the heating plate, the temperature sensor and the displacement sensor.
The working process of the press comprises the following steps: starting the first moving motor 33 and the second moving motor 41 to drive the first heating plate 27 to move the middle of the middle die 2 and the second heating plate 34 to move the middle of the pressing die 3, and then closing the first moving motor 33 and the second moving motor 41; then, simultaneously starting resistance wires in the first heating sleeve 16 and the second heating sleeve 23, the first heating plate 27 and the second heating plate 34 to heat the die A; after the temperature sensors detect that the temperatures inside and outside the mold A reach the specified value, closing the first heating plate 27 and the second heating plate 34, and starting the first moving motor 33 and the second moving motor 41 again to enable the first heating plate 27 and the second heating plate 34 to return; injecting the pressed blank into the die A, then pressing the motor 20 to work, making the pressing die 3 move downwards and press the middle die 2, and closing the pressing motor 22; after pressing is finished, the resistance wires in the first heating sleeve 16 and the second heating sleeve 23 are closed; after cooling to a certain degree, starting a pressing motor 20 to return the pressing die 3; after cooling again, starting the ejection motor 10 or stepping down the right end of the pry bar 13 to eject the pressed product; after the product is taken out, the ejector plate 7 is returned.
Claims (10)
1. The utility model provides a large-scale optical glass press, includes mould (A), frame (B), base (C) and electric heater unit, mould (A) includes die block (1), middle mould (2) and moulding-die (3), frame (B) sets up on base (C), mould (A) is located between frame (B) and base (C), die block (1) and middle mould (2) set up on base (C), moulding-die (3) set up on frame (B), its characterized in that: the electric heating device comprises a first heating device (D), a second heating device (E), a third heating device (F) and a fourth heating device (G), the first heating device (D) is arranged on the base (C) and used for preheating the periphery of the middle die (2) and maintaining the pressing temperature of the middle die (2) in the pressing process, the second heating device (E) is arranged on the frame (B) and used for preheating the periphery of the pressing die (3) and maintaining the pressing temperature of the pressing die (3) in the pressing process, the third heating device (F) is arranged on the base (C) through the side supporting frame (H) and can move left and right to the position right above the middle die (2) to preheat the middle die (2), the fourth heating device (G) is arranged on the base (C) through the side supporting frame (H) and can move left and right to a position right above the pressing die (3) to preheat the pressing die (3).
2. The large optical glass press according to claim 1, wherein: base (C) includes cuboid frame (4) and working face (5) of setting on cuboid frame (4), cuboid frame (4) is fixed through ground fixed block (6) and is set up subaerial, die block (1) is fixed to be set up on working face (5), be provided with positioning hole (5a) on working face (5), be provided with protruding (1a) in positioning hole (5a) with die block (1) integrated into one piece, middle mould (2) are fixed to be set up on die block (1).
3. The large optical glass press according to claim 2, wherein: still including setting up mould ejecting device (J) on base (C), mould ejecting device (J) is including ejector plate (7), the middle part of die block (1) is provided with the ejecting hole with die block (1) coaxial line, ejector plate (7) set up in ejecting hole, ejector plate (7) below is provided with ejector rod (8), ejector rod (8) are provided with ejecting power device after passing location arch (1a) downwards, ejecting power device is used for promoting ejector rod (8) upward movement and realizes the drawing of patterns.
4. The large optical glass press according to claim 3, wherein: the ejection power device comprises an ejection moving plate (9), an ejection motor (10) is arranged below the ejection moving plate (9), the ejection motor (10) is fixedly arranged on the ground through a door-shaped fixed seat (11), the ejection motor (10) is positioned in the middle of the door-shaped fixed seat (11), two ejection guide columns (12) are arranged between the jacking moving plate (9) and the top of the door-shaped fixed seat (11) at intervals in the front-back direction, a pry bar (13) is arranged between the jacking moving plate (9) and the top of the door-shaped fixed seat (11), a rotating shaft (14) is arranged in the middle of the pry bar (13) along the front-back direction, the front side and the rear side of the door-shaped fixed seat (11) are both fixedly provided with a rotating shaft fixed seat (15), the front end and the rear end of the rotating shaft (14) are both rotatably arranged on the corresponding rotating shaft fixing seats (15).
5. The large optical glass press according to claim 1, wherein: the first heating device (D) comprises a first heating sleeve (16), the first heating sleeve (16) is fixedly arranged on the bottom die (1) and sleeved outside the middle die (2), the upper top surface of the first heating sleeve (16) is not lower than that of the middle die (2), and a spiral resistance wire is arranged in the first heating sleeve (16).
6. The large optical glass press according to claim 1, wherein: frame (B) includes deflector (18) and roof (19), it is four piece at least support columns (17) to be the rectangle on base (C), deflector (18) set up the middle part at support column (17), roof (19) set up the upper end at support column (17), be provided with down motor (20) on roof (19), the flexible end of down motor (20) is provided with down moving plate (21) after passing roof (19) downwards, be provided with carriage release lever (22) under down moving plate (21), be provided with moulding-die (3) after deflector (18) is passed in carriage release lever (22).
7. The large optical glass press according to claim 6, wherein: the second heating device (E) comprises a second heating sleeve (23), the second heating sleeve (23) is sleeved outside the pressing die (3), the lower bottom surface of the second heating sleeve (23) is not more than the lower bottom surface of the pressing die (3), the second heating sleeve (23) is fixedly arranged on the downward-pressing moving plate (21) through connecting rods (24) arranged at left and right intervals, the second heating sleeve (23) is located below the guide plate (18), and a spiral resistance wire is arranged in the second heating sleeve.
8. The large optical glass press according to claim 1, wherein: the side support frame (H) comprises a triangular prism frame (25) arranged on the left side face of the base (C), the top face of the triangular prism frame (25) is horizontally arranged, and a support plate (26) is arranged on the triangular prism frame (25).
9. The large optical glass press according to claim 8, wherein: third heating device (F) is including first heating plate (27) that is the vortex form, first heating plate (27) set up on first movable plate (29) through first link (28), interval is provided with first slider (30) around first movable plate (29) below, first slider (30) slidable sets up on first guide rail (31), first guide rail (31) are fixed to be set up on backup pad (26), the left side of first movable plate (29) is provided with first connecting plate (32), first connecting plate (32) link to each other with the flexible end of fixing first mobile motor (33) on backup pad (26), when first mobile motor (33) during operation, move about first movable plate (29) along first guide rail (31) through first connecting plate (32) drive.
10. The large optical glass press according to claim 8, wherein: fourth heating device (G) is including second heating plate (34) that is the vortex form, second heating plate (34) sets up on second movable plate (36) through second link (35), interval is provided with second slider (37) around second movable plate (36) below, second slider (37) slidable sets up on second guide rail (38), second guide rail (38) set up on backup pad (26) through guide rail mount (39), the left side of second movable plate (36) is provided with second connecting plate (40), second connecting plate (40) link to each other with the flexible end of fixing second movable motor (41) on guide rail mount (39), and when second movable motor (41) during operation, it moves about on second guide rail (38) to drive second movable plate (36) through second connecting plate (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110831977.8A CN113480148B (en) | 2021-07-22 | 2021-07-22 | Large optical glass press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110831977.8A CN113480148B (en) | 2021-07-22 | 2021-07-22 | Large optical glass press |
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| Publication Number | Publication Date |
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| CN113480148A true CN113480148A (en) | 2021-10-08 |
| CN113480148B CN113480148B (en) | 2022-06-17 |
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