CN111391234A - Quick injection molding mechanism of injection molding machine - Google Patents
Quick injection molding mechanism of injection molding machine Download PDFInfo
- Publication number
- CN111391234A CN111391234A CN202010251686.7A CN202010251686A CN111391234A CN 111391234 A CN111391234 A CN 111391234A CN 202010251686 A CN202010251686 A CN 202010251686A CN 111391234 A CN111391234 A CN 111391234A
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- China
- Prior art keywords
- injection molding
- plate
- molding machine
- rotating
- containing barrel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
- B29C45/04—Injection moulding apparatus using movable moulds or mould halves
- B29C45/06—Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/20—Injection nozzles
Abstract
The invention is suitable for the technical field of injection molding machines, and provides a quick injection molding mechanism of an injection molding machine, which comprises a bottom plate, a material containing barrel and a nozzle, wherein a vertical plate is fixed on the bottom plate, the material containing barrel is arranged on the vertical plate, a stirring assembly is arranged in the material containing barrel, a material discharging hopper is arranged at the bottom of the material containing barrel, a material discharging hose is connected onto the material discharging hopper, the material discharging hose is connected with the nozzle, a rotating plate is arranged on the upper side of the bottom plate, a forming mold is arranged on the rotating plate, a second rotating shaft is connected to the center of the bottom surface of the rotating plate, a bearing seat is connected to the bottom end of the second rotating shaft. This quick injection molding machine of injection molding machine constructs moulds plastics to one of them forming die through penetrating the mouth, and the back of accomplishing of moulding plastics drives the rotor plate through driving motor and rotates, can put aside the forming die who moulds plastics to remove the below of penetrating the mouth with next forming die, saved the time, improved the efficiency of moulding plastics.
Description
Technical Field
The invention belongs to the technical field of injection molding machines, and particularly relates to a quick injection molding mechanism of an injection molding machine.
Background
An injection molding machine is a molding device for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes, and an injection molding mechanism is a main part of the injection molding machine and is used for filling melted plastic raw materials into a molding die. When the existing injection molding mechanism is actually used, the injection molding efficiency is low, and the consumed time is long. In view of this, the present invention provides a fast injection mechanism of an injection molding machine.
Disclosure of Invention
The invention aims to provide a quick injection molding mechanism of an injection molding machine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a quick injection molding mechanism of an injection molding machine comprises a bottom plate, a material containing barrel and a nozzle, wherein the bottom of the bottom plate is provided with supporting legs; the vertical plate is fixed on the bottom plate, the material containing barrel is installed on the vertical plate, a feeding hopper is arranged on the top wall of the material containing barrel, a stirring assembly is arranged in the material containing barrel, a discharging hopper is installed at the bottom of the material containing barrel, a discharging hose is connected onto the discharging hopper, the discharging hose is connected with the injection nozzle, a rotating plate is arranged on the upper side of the bottom plate, a forming mold is arranged on the rotating plate, a second rotating shaft is connected to the center of the bottom surface of the rotating plate, a bearing seat is connected to the bottom end of the second rotating shaft, the bearing seat is installed on the bottom plate, and a; when the injection molding machine is used, firstly, molten plastic raw materials are added into the material containing barrel from the feeding hopper, the plurality of molding molds are arranged on the rotating plate, one of the molding molds is subjected to injection molding through the injection nozzle, after the injection molding is finished, the second rotating shaft is driven to rotate through the driving assembly, the rotating plate rotates along with the second rotating shaft, the injection molded molding mold can be moved away, and the next molding mold is moved to the position below the injection nozzle, so that the time is saved, and the injection molding efficiency is improved; can stir the plastics raw materials in the containing bucket through stirring the subassembly, avoid solidifying the influence and mould plastics.
As a further scheme of the invention: the driving assembly comprises a driving motor and a transmission belt;
a motor base is arranged on the vertical plate, a driving motor is arranged on the motor base, an output shaft of the driving motor is connected with a first belt wheel, a second belt wheel is arranged on the second rotating shaft, a belt through hole for a transmission belt to pass through is formed in the vertical plate, and the transmission belt is wound on the first belt wheel and the second belt wheel; the first belt wheel is driven to rotate by the driving motor, and the second belt wheel and the second rotating shaft are driven to rotate by the first belt wheel through the transmission belt.
As a still further scheme of the invention: the stirring assembly comprises a stirring shaft and a first rotating shaft;
the stirring device comprises a material containing barrel, a stirring shaft, a stirring main rod, a stirring auxiliary rod, a first gear, a second gear and a stirring auxiliary rod, wherein the shaft sleeve matched with the stirring shaft is embedded in the top wall of the material containing barrel; when the rotating plate rotates, the first rotating shaft and the second gear rotate together, and the first gear and the stirring shaft are driven to rotate by utilizing the meshing of the first gear and the second gear, so that the stirring auxiliary rod and the stirring main rod are driven to rotate, and the plastic raw materials in the material containing barrel are stirred.
As a still further scheme of the invention: two first supporting blocks are fixed on the vertical plate, a guide sliding rod is connected between the two first supporting blocks, a sliding block is arranged on the guide sliding rod in a sliding mode, a telescopic loop bar is arranged on the sliding block, and the nozzle is fixed at the telescopic end of the telescopic loop bar; through the sliding fit of the sliding block and the guide sliding rod, the telescopic sleeve rod and the injection nozzle can move up and down, the radial position of the injection nozzle can be adjusted by using the telescopic sleeve rod, and the injection nozzle is adjusted to the injection molding position.
As a still further scheme of the invention: the bottom plate is provided with a plurality of supports which are distributed in a centrosymmetric manner, the supports are provided with supporting rotating wheels, and the supporting rotating wheels are contacted with the bottom surface of the rotating plate; the rotating plate can be supported by the support and the support rotating wheel, so that the stability of the rotating plate is enhanced, and the rotation of the rotating plate is not influenced.
As a still further scheme of the invention: a fixed block is fixed on the supporting leg, and a through hole is formed in the fixed block; when the injection molding mechanism is installed, the installation bolt can penetrate through the through hole, and installation is facilitated.
As a still further scheme of the invention: a plurality of second support blocks are fixed on the injection nozzle, positioning insertion rods are fixed at the bottoms of the second support blocks, and positioning insertion holes for the insertion of the positioning insertion rods are formed in the forming die; during injection molding, the positioning insertion rod is inserted into the positioning insertion hole through the matching of the positioning insertion rod and the positioning insertion hole, the alignment process of the nozzle is completed, the direction is provided for the nozzle, and the condition that material leakage occurs due to the position deviation of the nozzle is avoided.
Compared with the prior art, the invention has the beneficial effects that:
1. this quick injection molding machine of injection molding machine constructs through penetrating the mouth and moulds plastics to one of them forming die, and the back of accomplishing of moulding plastics, drives first band pulley through driving motor and rotates, and first band pulley passes through driving belt and drives second band pulley and second pivot rotation, and the rotor plate rotates thereupon together, can put aside the forming die who moulds plastics to remove next forming die to penetrating the below of mouth, saved the time, improved the efficiency of moulding plastics.
2. When the rotating plate rotates, the first rotating shaft and the second gear rotate together, the first gear is meshed with the second gear, the first gear and the stirring shaft are driven to rotate, the stirring auxiliary rod and the stirring main rod are driven to rotate, the plastic raw materials in the containing barrel are stirred, and the plastic raw materials are prevented from being solidified to influence injection molding.
3. The quick injection molding mechanism of the injection molding machine is in sliding fit with the guide sliding rod through the sliding block, so that the telescopic sleeve rod and the injection nozzle can move up and down, the radial position of the injection nozzle can be adjusted by utilizing the telescopic sleeve rod, and the injection nozzle is adjusted to the injection molding position.
4. This quick injection molding machine's mechanism of moulding plastics inserts the location inserted bar in the location jack through the cooperation of location inserted bar and location jack, accomplishes the process of adjusting well of penetrating the mouth, for penetrating the mouth and providing the direction, avoids penetrating the position deviation of mouth and leads to the condition that the material leaks to appear.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a vertical plate, a guide slide bar, and a first support block in embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 4 is a schematic structural view of a nozzle, a second support block and a positioning insertion rod in embodiment 2 of the present invention.
In the figure: 1-bottom plate, 2-belt through hole, 3-first belt wheel, 4-driving motor, 5-motor base, 6-vertical plate, 7-slide block, 8-discharge head, 9-material containing barrel, 10-charging hopper, 11-first gear, 12-second gear, 13-shaft sleeve, 14-first rotating shaft, 15-stirring main rod, 16-stirring auxiliary rod, 17-stirring shaft, 18-discharge hose, 19-nozzle, 20-forming die, 21-rotating plate, 22-support, 23-support leg, 24-fixed block, 25-second belt wheel, 26-bearing seat, 27-driving belt, 28-supporting rotating wheel, 29-through hole, 30-second rotating shaft, 31-telescopic sleeve rod, 32-guiding slide rod, 33-a first support block, 34-a positioning inserted rod, 35-a second support block and 36-a positioning insertion hole.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
Referring to fig. 1-2, in an embodiment of the present invention, a fast injection mechanism of an injection molding machine includes a bottom plate 1, a material holding barrel 9 and a nozzle 19, wherein a support leg 23 is installed at the bottom of the bottom plate 1; a vertical plate 6 is fixed on the bottom plate 1, a material containing barrel 9 is installed on the vertical plate 6, a feeding hopper 10 is arranged on the top wall of the material containing barrel 9, a stirring assembly is arranged in the material containing barrel 9, a material discharging hopper 8 is installed at the bottom of the material containing barrel 9, a material discharging hose 18 is connected onto the material discharging hopper 8, the material discharging hose 18 is connected with a nozzle 19, a rotating plate 21 is arranged on the upper side of the bottom plate 1, a forming mold 20 is arranged on the rotating plate 21, a second rotating shaft 30 is connected to the center of the bottom surface of the rotating plate 21, a bearing seat 26 is connected to the bottom end of the second rotating shaft 30, the bearing seat 26 is installed on the bottom plate 1, and; when the injection molding machine is used, firstly, molten plastic raw materials are added into the material containing barrel 9 from the feeding hopper 10, the plurality of molding molds 20 are arranged on the rotating plate 21, one of the molding molds 20 is subjected to injection molding through the injection nozzle 19, after the injection molding is finished, the second rotating shaft 30 is driven to rotate through the driving assembly, the rotating plate 21 rotates along with the second rotating shaft, the injection molded molding mold 20 can be moved away, and the next molding mold 20 is moved to the position below the injection nozzle 19, so that the time is saved, and the injection molding efficiency is improved; can stir the plastics raw materials in containing bucket 9 through stirring the subassembly, avoid solidifying the influence and mould plastics.
Specifically, the driving assembly comprises a driving motor 4 and a transmission belt 27;
a motor base 5 is arranged on the vertical plate 6, the driving motor 4 is arranged on the motor base 5, an output shaft of the driving motor 4 is connected with a first belt wheel 3, a second belt wheel 25 is arranged on the second rotating shaft 30, a belt through hole 2 for a driving belt 27 to pass through is formed in the vertical plate 6, and the driving belt 27 is wound on the first belt wheel 3 and the second belt wheel 25; the first belt wheel 3 is driven to rotate by the driving motor 4, and the second belt wheel 25 and the second rotating shaft 30 are driven to rotate by the first belt wheel 3 through the transmission belt 27.
Specifically, the stirring assembly comprises a stirring shaft 17 and a first rotating shaft 14;
the top wall of the material containing barrel 9 is embedded with a shaft sleeve 13 matched with the stirring shaft 17, the stirring shaft 17 is provided with a stirring main rod 15, the stirring main rod 15 is provided with a stirring auxiliary rod 16, the top end of the stirring shaft 17 is provided with a first gear 11, the bottom end of a first rotating shaft 14 is fixed on a rotating plate 21, the top end of the first rotating shaft 14 is provided with a second gear 12, and the first gear 11 is meshed with the second gear 12; when the rotating plate 21 rotates, the first rotating shaft 14 and the second gear 12 rotate together, and the first gear 11 and the stirring shaft 17 are driven to rotate by the meshing of the first gear 11 and the second gear 12, so as to drive the stirring auxiliary rod 16 and the stirring main rod 15 to rotate, and stir the plastic raw materials in the material containing barrel 9.
Furthermore, two first supporting blocks 33 are fixed on the vertical plate 6, a guide slide bar 32 is connected between the two first supporting blocks 33, a slide block 7 is slidably arranged on the guide slide bar 32, a telescopic loop bar 31 is installed on the slide block 7, and a nozzle 19 is fixed on the telescopic end of the telescopic loop bar 31; the telescopic sleeve rod 31 and the nozzle 19 can move up and down through the sliding fit of the sliding block 7 and the guide sliding rod 32, and the radial position of the nozzle 19 can be adjusted by using the telescopic sleeve rod 31 so as to adjust the nozzle 19 to an injection molding position.
Further, a plurality of supports 22 which are distributed in a central symmetry manner are mounted on the bottom plate 1, a supporting rotating wheel 28 is mounted on each support 22, and the supporting rotating wheel 28 is in contact with the bottom surface of the rotating plate 21; the rotating plate 21 can be supported by the support 22 and the support runner 28, which enhances the stability of the rotating plate 21 and does not affect the rotation of the rotating plate 21.
Further, a fixing block 24 is fixed on the supporting leg 23, and a through hole 29 is formed in the fixing block 24; when the injection molding mechanism is installed, the installation bolt can penetrate through the through hole 29, and installation is convenient.
The working principle of the embodiment of the invention is as follows: when the injection molding machine is used, firstly, molten plastic raw materials are added into the material containing barrel 9 from the feeding hopper 10, the plurality of forming molds 20 are arranged on the rotating plate 21, one forming mold 20 is subjected to injection molding through the injection nozzle 19, after the injection molding is completed, the first belt wheel 3 is driven to rotate through the driving motor 4, the first belt wheel 3 drives the second belt wheel 25 and the second rotating shaft 30 to rotate through the transmission belt 27, the rotating plate 21 rotates along with the rotation, the injection molded forming molds 20 can be moved away, and the next forming mold 20 is moved to the position below the injection nozzle 19, so that the time is saved, and the injection molding efficiency is improved. When the rotating plate 21 rotates, the first rotating shaft 14 and the second gear 12 rotate together, and the first gear 11 and the stirring shaft 17 are driven to rotate by utilizing the meshing of the first gear 11 and the second gear 12, so that the stirring auxiliary rod 16 and the stirring main rod 15 are driven to rotate, the plastic raw materials in the material containing barrel 9 are stirred, and the plastic raw materials are prevented from being solidified to influence injection molding. The telescopic sleeve rod 31 and the nozzle 19 can move up and down through the sliding fit of the sliding block 7 and the guide sliding rod 32, and the radial position of the nozzle 19 can be adjusted by using the telescopic sleeve rod 31 so as to adjust the nozzle 19 to an injection molding position.
Example 2
Referring to fig. 3-4, in an embodiment of the present invention, a fast injection mechanism of an injection molding machine is different from embodiment 1 in that a plurality of second supporting blocks 35 are fixed on a nozzle 19, a positioning insertion rod 34 is fixed at the bottom of each second supporting block 35, and a positioning insertion hole 36 for inserting the positioning insertion rod 34 is formed in a forming mold 20; during injection molding, the positioning insertion rod 34 is inserted into the positioning insertion hole 36 through the matching of the positioning insertion rod 34 and the positioning insertion hole 36, the alignment process of the injection nozzle 19 is completed, the guide is provided for the injection nozzle 19, and the condition that material leakage occurs due to the position deviation of the injection nozzle 19 is avoided.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. The utility model provides a quick injection molding mechanism of injection molding machine, includes bottom plate (1), containing bucket (9) and penetrates mouth (19), and landing leg (23), its characterized in that are installed to the bottom of bottom plate (1):
the improved injection molding machine is characterized in that a vertical plate (6) is fixed on the bottom plate (1), a material containing barrel (9) is installed on the vertical plate (6), a feeding hopper (10) is arranged on the top wall of the material containing barrel (9), a stirring assembly is arranged in the material containing barrel (9), a material discharging hopper (8) is installed at the bottom of the material containing barrel (9), a material discharging hose (18) is connected onto the material discharging hopper (8), the material discharging hose (18) is connected with a nozzle (19), a rotating plate (21) is arranged on the upper side of the bottom plate (1), a forming mold (20) is arranged on the rotating plate (21), a second rotating shaft (30) is connected to the center of the bottom surface of the rotating plate (21), a bearing seat (26) is connected to the bottom end of the second rotating shaft (30), the bearing seat (26) is installed on the bottom plate (1).
2. The rapid injection mechanism of an injection molding machine according to claim 1, characterized in that:
the driving assembly comprises a driving motor (4) and a transmission belt (27);
be equipped with motor cabinet (5) on riser (6), install on motor cabinet (5) driving motor (4), the output shaft of driving motor (4) has first band pulley (3), installs second band pulley (25) on second pivot (30), sets up belt opening (2) that supply driving belt (27) to pass on riser (6), and driving belt (27) are around establishing on first band pulley (3) and second band pulley (25).
3. The rapid injection mechanism of an injection molding machine according to claim 2, characterized in that:
the stirring assembly comprises a stirring shaft (17) and a first rotating shaft (14);
inlay on the roof of containing bucket (9) and be equipped with and stir shaft (17) complex axle sleeve (13), be equipped with on stirring shaft (17) and stir mobile jib (15), be equipped with on stirring mobile jib (15) and stir auxiliary rod (16), first gear (11) are installed on the top of stirring shaft (17), and the bottom mounting of first pivot (14) is on rotor plate (21), and second gear (12) are installed on the top of first pivot (14), and first gear (11) and second gear (12) meshing.
4. The rapid injection mechanism of an injection molding machine according to claim 1, characterized in that:
two first supporting blocks (33) are fixed on the vertical plate (6), a guide sliding rod (32) is connected between the two first supporting blocks (33), a sliding block (7) is arranged on the guide sliding rod (32) in a sliding mode, a telescopic loop bar (31) is installed on the sliding block (7), and the nozzle (19) is fixed to the telescopic end of the telescopic loop bar (31).
5. The rapid injection mechanism of an injection molding machine according to claim 1, characterized in that:
the bottom plate (1) is provided with a plurality of supports (22) which are distributed in a central symmetry manner, the supports (22) are provided with supporting rotating wheels (28), and the supporting rotating wheels (28) are in contact with the bottom surface of the rotating plate (21).
6. The quick injection mechanism of an injection molding machine according to claim 4 or 5, characterized in that:
the supporting legs (23) are fixedly provided with fixing blocks (24), and the fixing blocks (24) are provided with through holes (29).
7. The rapid injection mechanism of an injection molding machine according to claim 1, characterized in that:
a plurality of second supporting blocks (35) are fixed on the injection nozzle (19), positioning insertion rods (34) are fixed at the bottoms of the second supporting blocks (35), and positioning insertion holes (36) for inserting the positioning insertion rods (34) are formed in the forming die (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010251686.7A CN111391234A (en) | 2020-04-01 | 2020-04-01 | Quick injection molding mechanism of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010251686.7A CN111391234A (en) | 2020-04-01 | 2020-04-01 | Quick injection molding mechanism of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111391234A true CN111391234A (en) | 2020-07-10 |
Family
ID=71425901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010251686.7A Withdrawn CN111391234A (en) | 2020-04-01 | 2020-04-01 | Quick injection molding mechanism of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111391234A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123693A (en) * | 2020-08-10 | 2020-12-25 | 湖州吴兴旭诚塑料制品有限公司 | Injection mold guide pin bushing debugging is with transferring mechanism soon |
| CN117183207A (en) * | 2023-06-15 | 2023-12-08 | 高唐县金象汽车部件有限公司 | Processing die for producing automobile sealing strips |
-
2020
- 2020-04-01 CN CN202010251686.7A patent/CN111391234A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123693A (en) * | 2020-08-10 | 2020-12-25 | 湖州吴兴旭诚塑料制品有限公司 | Injection mold guide pin bushing debugging is with transferring mechanism soon |
| CN117183207A (en) * | 2023-06-15 | 2023-12-08 | 高唐县金象汽车部件有限公司 | Processing die for producing automobile sealing strips |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200710 |
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| WW01 | Invention patent application withdrawn after publication |