CN219903079U - Two-color plastic product secondary molding injection mold - Google Patents
Two-color plastic product secondary molding injection mold Download PDFInfo
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- CN219903079U CN219903079U CN202320825580.2U CN202320825580U CN219903079U CN 219903079 U CN219903079 U CN 219903079U CN 202320825580 U CN202320825580 U CN 202320825580U CN 219903079 U CN219903079 U CN 219903079U
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- 239000004033 plastic Substances 0.000 title claims abstract description 65
- 229920003023 plastic Polymers 0.000 title claims abstract description 65
- 238000000465 moulding Methods 0.000 title claims abstract description 64
- 238000002347 injection Methods 0.000 title claims abstract description 35
- 239000007924 injection Substances 0.000 title claims abstract description 35
- 238000001746 injection moulding Methods 0.000 claims abstract description 253
- 238000001816 cooling Methods 0.000 claims description 65
- 239000002131 composite material Substances 0.000 claims description 10
- 239000012768 molten material Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000000498 cooling water Substances 0.000 description 8
- 239000002991 molded plastic Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model belongs to the technical field of molds, and particularly relates to a secondary molding injection mold for a double-color plastic product. The utility model comprises a bicolor mould fixing bottom plate, wherein a primary injection molding combined module and a secondary injection molding combined module are arranged on the bicolor mould fixing bottom plate. According to the utility model, first injection molding is carried out, single-color injection molding of plastic products is completed, after single-color injection molding is completed, the die is opened, the rotary die connecting piece is rotated through the steering engine, the double-color die fixing base plate, the lower die structure of the primary injection molding combined module and the lower die structure of the secondary injection molding combined module are driven to rotate 180 degrees, alignment exchange is realized, then die assembly is carried out, the double-color injection molding assembly on the injection molding connecting plate is used for carrying out secondary injection molding on the plastic products after the first injection molding, the color of a molten material is changed, and a rotary concentric circle alignment exchange mode is adopted, so that the alignment precision of the two-time injection molding is high, the double-color injection molding efficiency is greatly improved, the same equipment can be completed, and the production cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to a secondary molding injection mold for a double-color plastic product.
Background
The two-color plastic products are usually two plastic materials which are injected on two injection molding machines and are molded twice, firstly, the first molding is injected, the first molding is cooled, shaped and demolded to obtain a one-time molded product, then the first molded product is placed into another pair of molds, the second injection molding is carried out on the other injection molding machine, and then the demolding is carried out to obtain the two-color plastic products. In the use process of the existing double-color injection mold, the mold replacement is easy to cause inaccurate alignment, so that the injection precision and efficiency are affected, and the production cost is high. Therefore, it is necessary to design a two-color plastic product secondary molding injection mold which can overcome the above defects.
In order to overcome the defects in the prior art, people have continuously explored and put forward various solutions, for example, chinese patent discloses an integrally formed injection mold of a cross-filling type double-color plastic chair [ application number: 201810709404.5] which structure comprises: the top of the radiator is welded and fixed at the bottom end of the lower die holder, the top end of the lower die holder is tightly attached to the bottom surface of the stripper plate, four round holes which are vertically fixed in four opposite angles of the male die fixing plate are formed in the guide columns, and the upper die holder is fixed at the top of the lower die holder and is parallel to each other.
Disclosure of Invention
The utility model aims to solve the problems and provides a double-color plastic product secondary molding injection mold.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a double-colored plastic products secondary molding injection mold, includes double-colored mould PMKD, double-colored mould PMKD on be equipped with first injection molding combination module and secondary injection molding combination module, first injection molding combination module and secondary injection molding combination module crisscross the setting, first injection molding combination module and secondary injection molding combination module top be equipped with the connecting plate of moulding plastics, the connecting plate of moulding plastics on be equipped with double-colored injection molding subassembly, first injection molding combination module and secondary injection molding combination module respectively with double-colored injection molding subassembly's position corresponding, double-colored mould PMKD bottom be equipped with the rotary die connecting piece.
In the secondary molding injection mold for the bicolor plastic product, the primary injection molding combined mold comprises a primary injection molding upper mold and a primary injection molding lower mold which are arranged on the bicolor mold fixing bottom plate, and a first molding cavity is arranged between the primary injection molding upper mold and the primary injection molding lower mold.
In the two-color plastic product secondary molding injection mold, the secondary injection molding combined mold comprises a secondary injection molding upper mold and a secondary injection molding lower mold which are arranged on the two-color mold fixing bottom plate, and a second molding cavity is arranged between the secondary injection molding upper mold and the secondary injection molding lower mold.
In the two-color plastic product secondary molding injection mold, the volume of the first molding cavity is smaller than that of the second molding cavity.
In the double-colored plastic product secondary molding injection mold, a plurality of primary injection molding upper mold cooling pipes are arranged in the primary injection molding upper mold, and the primary injection molding upper mold cooling pipes correspond to the first molding cavity in position.
In the double-color plastic product secondary molding injection mold, a plurality of primary injection molding lower mold cooling pipes are arranged in the primary injection molding lower mold, and the primary injection molding lower mold cooling pipes correspond to the first molding cavity in position.
In the double-color plastic product secondary molding injection mold, a plurality of secondary injection molding upper mold cooling pipes are arranged in the secondary injection molding upper mold, and the positions of the secondary injection molding upper mold cooling pipes and the second molding cavity correspond to each other.
In the double-color plastic product secondary molding injection mold, a plurality of secondary injection molding cooling pipes are arranged in the secondary injection molding lower mold, and the secondary injection molding cooling pipes correspond to the second molding cavity in position.
In the two-color plastic product secondary molding injection mold, the two-color injection molding assembly comprises a first injection molding main cylinder and a second injection molding main cylinder which are arranged on the injection molding connecting plate, and a splitter plate and two splitter cylinders are arranged at the bottom of the second injection molding main cylinder.
In the two-color plastic product secondary molding injection mold, the rotary mold connecting piece comprises a rotary mold connecting rotary disk arranged at the bottom of the two-color mold fixing bottom plate, and the rotary mold connecting rotary disk is fixedly connected with the two-color mold fixing bottom plate.
Compared with the prior art, the utility model has the advantages that:
1. in the injection molding process, the primary injection molding combined module is clamped, molten materials are subjected to primary injection molding through the double-color injection molding assembly on the injection molding connecting plate, single-color injection molding of plastic products is completed, after single-color injection molding is completed, the mold is opened, a steering engine is started, the rotating mold connecting piece is rotated through the steering engine, the double-color mold fixing bottom plate and the lower mold structure of the primary injection molding combined module and the secondary injection molding combined module are driven to rotate 180 degrees, alignment exchange is realized, then clamping is carried out, the double-color injection molding assembly on the injection molding connecting plate is used for carrying out secondary injection molding on the plastic products subjected to primary injection molding, and the color of the molten materials is replaced, so that double-color injection molding of the plastic products is completed, the alignment precision of the two-time injection molding is high, the double-color injection molding efficiency is greatly improved, the same equipment can be completed, and the production cost is reduced.
2. The utility model adopts a dual-mode up-down synchronous cooling structure, has high overall cooling efficiency and large cooling area, avoids cooling dead angles, and further improves the production efficiency.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a partial structural schematic of the present utility model.
Fig. 3 is a schematic view of a partial structure of another aspect of the present utility model.
Fig. 4 is a schematic structural view of a rotary die connecting turntable.
In the figure: the double-shot mold fixing base plate 1, the primary injection molding combined mold 2, the secondary injection molding combined mold 3, the injection molding connecting plate 4, the double-shot molding assembly 5, the rotary mold connecting piece 66, the primary injection molding upper mold 6, the primary injection molding lower mold 7, the secondary injection molding upper mold 8, the secondary injection molding lower mold 9, the primary injection molding upper mold cooling pipe 10, the primary injection molding lower mold cooling pipe 11, the secondary injection molding upper mold cooling pipe 12, the secondary injection molding cooling pipe 13, the first injection molding main cylinder 14, the second injection molding main cylinder 15, the splitter plate 16, the splitter cylinder 17 and the rotary mold connecting turntable 18.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, a two-color plastic product secondary molding injection mold comprises a two-color mold fixing bottom plate 1, the two-color mold fixing bottom plate 1 is provided with a primary injection molding combined module 2 and a secondary injection molding combined module 3, the primary injection molding combined module 2 and the secondary injection molding combined module 3 are arranged in a staggered manner, an injection molding connecting plate 4 is arranged above the primary injection molding combined module 2 and the secondary injection molding combined module 3, the injection molding connecting plate 4 is provided with a two-color injection molding assembly 5, the primary injection molding combined module 2 and the secondary injection molding combined module 3 respectively correspond to the positions of the two-color injection molding assembly 5, and the bottom of the two-color mold fixing bottom plate 1 is provided with a rotary mold connecting piece 66.
In this embodiment, steering wheel is connected to the rotating die connecting piece 66 bottom, in the injection molding process, the primary injection molding combined module 2 compound die, carry out the primary injection molding through the double-shot injection molding subassembly 5 on the connecting plate 4 of moulding plastics with the molten material earlier, accomplish the monochromatic injection molding to the plastic product, after accomplishing monochromatic injection molding, the die sinking, start the steering wheel, rotate the rotating die connecting piece 66 through the steering wheel, drive the lower mould structure of double-shot mould fixed baseplate 1 and primary injection molding combined module 2 and secondary injection molding combined module 3, carry out 180 degrees rotations, realize counterpoint exchange, carry out the compound die again, carry out the compound die, carry out secondary injection molding to the plastic product of accomplishing the primary injection molding through the double-shot injection molding subassembly 5 on the connecting plate 4 of moulding plastics, change the colour of molten material, thereby accomplish the double-shot injection molding to the plastic product, adopt rotatory concentric circle counterpoint exchange mode, the counterpoint precision of twice injection molding is high, and the efficiency of double-shot is improved greatly, same equipment just can accomplish, and production cost is reduced.
Referring to fig. 1-4, the primary injection molding combined module 2 includes a primary injection molding upper mold 6 and a primary injection molding lower mold 7 which are disposed on the two-color mold fixing base plate 1, and a first molding cavity is disposed between the primary injection molding upper mold 6 and the primary injection molding lower mold 7.
Specifically, in the primary injection molding process, the primary injection molding upper die 6 and the primary injection molding lower die 7 are close to each other, so that the primary injection molding upper die 6 and the primary injection molding lower die 7 are in butt fit to form a first molding cavity, and the molten material is subjected to primary injection molding through the double-color injection molding assembly 5 on the injection molding connecting plate 4 to complete single-color injection molding of plastic products.
The secondary injection molding combined module 3 comprises a secondary injection molding upper die 8 and a secondary injection molding lower die 9 which are arranged on the double-color die fixing bottom plate 1, and a second molding cavity is arranged between the secondary injection molding upper die 8 and the secondary injection molding lower die 9.
In this embodiment, accomplish the monochromatic injection molding to plastic products, accomplish the monochromatic back of moulding plastics, the die sinking, start the steering wheel, rotate die connecting piece 66 through the steering wheel, drive double-shot mould PMKD 1 and first injection molding lower mould 7 and secondary injection molding lower mould 9 and carry out 180 degrees rotations, realize counterpoint exchange, carry out the compound die again, carry out the secondary injection molding to the plastic products who accomplishes the first injection molding through the double-shot injection subassembly 5 on the connecting plate 4 of moulding plastics, change the colour of molten material, thereby accomplish the double-shot injection molding to plastic products, adopt rotatory concentric circle counterpoint exchange mode, the counterpoint precision of twice moulding plastics is high, and double-shot injection molding's efficiency has been improved greatly, same equipment just can accomplish, and production cost is reduced.
The volume of the first forming chamber is smaller than that of the second forming chamber.
In this embodiment, the volume of first shaping cavity is less than the volume of second shaping cavity, has the secondary shaping space when guaranteeing the secondary injection molding, avoids the melting material to take place to overflow, and structural setting is reasonable.
The primary injection molding upper die 6 is internally provided with a plurality of primary injection molding upper die cooling pipes 10, and the primary injection molding upper die cooling pipes 10 correspond to the first molding cavity in position.
In this embodiment, after the primary injection molding of the plastic product, the cooling water is injected into the primary injection molding upper mold cooling pipe 10, and the upper structure of the primary molded plastic product is cooled by the primary injection molding upper mold cooling pipe 10, so that the cooling effect is good.
Referring to fig. 3, a plurality of primary injection molding lower mold cooling pipes 11 are disposed in the primary injection molding lower mold 7, and the primary injection molding lower mold cooling pipes 11 correspond to the first molding cavity in position.
In this embodiment, after the primary injection molding of the plastic product, the cooling water is injected into the primary injection molding lower mold cooling pipe 11, and the lower structure of the primary molded plastic product is cooled by the primary injection molding lower mold cooling pipe 11, so that the cooling effect is good.
A plurality of secondary injection molding upper mold cooling pipes 12 are arranged in the secondary injection molding upper mold 8, and the positions of the secondary injection molding upper mold cooling pipes 12 and the second molding cavity correspond to each other.
In this embodiment, after the plastic product is secondarily injection molded, cooling water is injected into the secondarily injection molded upper mold cooling pipe 12, and the upper structure of the secondarily molded plastic product is cooled by the secondarily injection molded upper mold cooling pipe 12, so that the cooling effect is good.
Referring to fig. 1-3, a plurality of secondary injection molding cooling pipes 13 are arranged in the secondary injection molding lower die 9, and the secondary injection molding cooling pipes 13 correspond to the second molding cavity in position.
In this embodiment, after carrying out the secondary injection moulding to plastic products, pour into cooling water into secondary injection moulding cooling tube 13 in, cool off secondary injection moulding cooling tube 13 to the lower part structure of the plastic products of secondary moulding, the cooling effect is good, adopts bimodulus upper and lower synchronous cooling structure, and whole cooling efficiency is high, and the cooling area is big, avoids appearing the cooling dead angle, further improves production efficiency.
Referring to fig. 1-3, the bi-color injection molding assembly 5 includes a first injection molding main cylinder 14 and a second injection molding main cylinder 15 disposed on the injection molding connection board 4, and a splitter plate 16 and two splitter cylinders 17 are disposed at the bottom of the second injection molding main cylinder 15.
In this embodiment, in the injection molding process, the first injection molding main barrel 14 is used for conveying the molten material for primary injection molding, and the second injection molding main barrel 15, the splitter plate 16 and the two splitter barrels 17 are used for conveying the molten material for secondary injection molding, so that the injection molding efficiency and the injection molding precision are high.
Referring to fig. 1-4, the rotary die connecting piece 66 includes a rotary die connecting rotary disc 18 disposed at the bottom of the two-color die fixing base plate 1, and the rotary die connecting rotary disc 18 is fixedly connected with the two-color die fixing base plate 1.
In this embodiment, steering wheel is connected to rotating die connection carousel 18 bottom, when needs carry out the secondary more look and moulds plastics, starts the steering wheel, rotates rotating die connection carousel 18 through the steering wheel, drives bi-color mould PMKD 1 and first injection moulding lower mould 7 and secondary injection moulding lower mould 9 and carries out 180 degrees rotations, realizes counterpoint exchange, carries out the compound die again.
The working principle of the utility model is as follows:
in the primary injection molding process, the primary injection molding upper die 6 and the primary injection molding lower die 7 are mutually close to each other, so that the primary injection molding upper die 6 and the primary injection molding lower die 7 are abutted and matched to form a first molding cavity, the molten material is subjected to primary injection molding through the first injection molding main cylinder 14 on the injection molding connecting plate 4 to finish single-color injection molding of plastic products,
after the single-color injection molding of the plastic product is finished, the die is opened, the bottom of the rotating die connecting rotary table 18 is connected with a steering engine, when the secondary more-color injection molding is required, the steering engine is started, the rotating die connecting rotary table 18 is rotated through the steering engine to drive the double-color die fixing bottom plate 1, the primary injection molding lower die 7 and the secondary injection molding lower die 9 to rotate 180 degrees, the alignment exchange is realized, then the die is closed, the secondary injection molding is carried out on the plastic product which is finished by the first injection molding through the second injection molding main cylinder 15, the splitter plate 16 and the two splitter cylinders 17 on the injection connecting plate 4, the color of the molten material is changed, thus the double-color injection molding of the plastic product is finished, the alignment precision of the two injection molding is high by adopting a rotary concentric circle alignment exchange mode, the double-color injection molding efficiency is greatly improved, the same equipment can be finished, and the production cost is reduced,
the volume of the first molding cavity is smaller than that of the second molding cavity, so as to ensure that a secondary molding space is provided during the second injection molding, avoid overflow of molten materials, have reasonable structural arrangement,
after the primary injection molding of the plastic article, cooling water is injected into the primary injection molding upper mold cooling pipe 10, the upper structure of the primary molded plastic article is cooled by the primary injection molding upper mold cooling pipe 10,
after the primary injection molding of the plastic article, cooling water is injected into the primary injection molding lower mold cooling pipe 11, the lower structure of the primary molded plastic article is cooled by the primary injection molding lower mold cooling pipe 11,
after the plastic product is subjected to the secondary injection molding, cooling water is injected into the secondary injection molding upper mold cooling pipe 12, the upper structure of the secondary molded plastic product is cooled by the secondary injection molding upper mold cooling pipe 12,
after carrying out the secondary injection moulding to plastic products, in injecting cooling water to secondary injection moulding cooling tube 13, the lower part structure of the plastic products of secondary shaping is cooled off through secondary injection moulding cooling tube 13, and the cooling effect is good, adopts bimodulus upper and lower synchronous cooling structure, and overall cooling efficiency is high, and the cooling area is big, avoids appearing the cooling dead angle, further improves production efficiency.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model.
Although terms such as the two-shot mold fixing base plate 1, the primary injection molding composite mold 2, the secondary injection molding composite mold 3, the injection molding connection plate 4, the two-shot molding assembly 5, the rotary mold connection 66, the primary injection molding upper mold 6, the primary injection molding lower mold 7, the secondary injection molding upper mold 8, the secondary injection molding lower mold 9, the primary injection molding upper mold cooling pipe 10, the primary injection molding lower mold cooling pipe 11, the secondary injection molding upper mold cooling pipe 12, the secondary injection molding cooling pipe 13, the first injection molding main barrel 14, the second injection molding main barrel 15, the split plate 16, the split barrel 17, the rotary mold connection dial 18, etc. are used more herein, the possibility of using other terms is not excluded. These terms are only used to more conveniently describe and explain the nature of the utility model and should be construed in a manner consistent with their spirit and scope.
Claims (10)
1. The utility model provides a double-colored plastic products secondary molding injection mold, includes double-colored mould PMKD (1), its characterized in that, double-colored mould PMKD (1) on be equipped with first injection moulding composite module (2) and secondary injection moulding composite module (3), first injection moulding composite module (2) and secondary injection moulding composite module (3) crisscross the setting, first injection moulding composite module (2) and secondary injection moulding composite module (3) top be equipped with injection moulding connecting plate (4), injection moulding connecting plate (4) on be equipped with double-colored injection moulding subassembly (5), first injection moulding composite module (2) and secondary injection moulding composite module (3) respectively with the position correspondence of double-colored injection moulding subassembly (5), double-colored mould PMKD (1) bottom be equipped with rotary die connecting piece (66).
2. The secondary molding injection mold for the two-color plastic product according to claim 1, wherein the primary injection molding combined mold (2) comprises a primary injection molding upper mold (6) and a primary injection molding lower mold (7) which are arranged on a two-color mold fixing bottom plate (1), and a first molding cavity is arranged between the primary injection molding upper mold (6) and the primary injection molding lower mold (7).
3. The two-color plastic product secondary molding injection mold according to claim 2, wherein the secondary injection molding combined mold (3) comprises a secondary injection molding upper mold (8) and a secondary injection molding lower mold (9) which are arranged on the two-color mold fixing bottom plate (1), and a second molding cavity is arranged between the secondary injection molding upper mold (8) and the secondary injection molding lower mold (9).
4. The two-color plastic product overmolding injection mold of claim 3, wherein the first molding chamber has a smaller volume than the second molding chamber.
5. The secondary molding injection mold for the bicolor plastic product according to claim 4, wherein a plurality of primary injection molding upper mold cooling pipes (10) are arranged in the primary injection molding upper mold (6), and the primary injection molding upper mold cooling pipes (10) correspond to the first molding cavity in position.
6. The secondary molding injection mold for the bicolor plastic product according to claim 5, wherein a plurality of primary injection molding lower mold cooling pipes (11) are arranged in the primary injection molding lower mold (7), and the primary injection molding lower mold cooling pipes (11) correspond to the first molding cavity in position.
7. The two-color plastic product secondary molding injection mold according to claim 6, wherein a plurality of secondary injection molding upper mold cooling pipes (12) are arranged in the secondary injection molding upper mold (8), and the secondary injection molding upper mold cooling pipes (12) correspond to the second molding cavity.
8. The two-color plastic product secondary molding injection mold according to claim 7, wherein a plurality of secondary injection molding cooling pipes (13) are arranged in the secondary injection molding lower mold (9), and the secondary injection molding cooling pipes (13) correspond to the second molding cavity.
9. The two-color plastic product secondary molding injection mold according to claim 8, wherein the two-color injection molding assembly (5) comprises a first injection molding main cylinder (14) and a second injection molding main cylinder (15) which are arranged on the injection molding connecting plate (4), and a splitter plate (16) and two splitter cylinders (17) are arranged at the bottom of the second injection molding main cylinder (15).
10. The two-color plastic product injection mold according to claim 9, wherein the rotary mold connecting piece (66) comprises a rotary mold connecting rotary disk (18) arranged at the bottom of the two-color mold fixing base plate (1), and the rotary mold connecting rotary disk (18) is fixedly connected with the two-color mold fixing base plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320825580.2U CN219903079U (en) | 2023-04-10 | 2023-04-10 | Two-color plastic product secondary molding injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320825580.2U CN219903079U (en) | 2023-04-10 | 2023-04-10 | Two-color plastic product secondary molding injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219903079U true CN219903079U (en) | 2023-10-27 |
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ID=88435361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320825580.2U Active CN219903079U (en) | 2023-04-10 | 2023-04-10 | Two-color plastic product secondary molding injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219903079U (en) |
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2023
- 2023-04-10 CN CN202320825580.2U patent/CN219903079U/en active Active
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