A double-color laminated mold structure

Abstract

The present invention discloses a two-color laminated mold structure, which specifically relates to the field of mold structure, including a fixed mold part, a middle part and a movable mold part, and is characterized in that: the fixed mold part includes a fixed mold fixing plate, a fixed mold hot runner plate, a fixed mold standing foot, a fixed mold A plate, a fixed mold upper ejector plate and a fixed mold lower ejector plate, the movable mold part includes a movable mold A plate, a movable mold standing foot, a movable mold fixing plate, a movable mold lower ejector plate, a movable mold upper ejector plate, a fixed mold upper ejector plate and a fixed mold lower ejector plate, and the fixed mold part and the movable mold part are arranged relative to each other, the middle part includes a middle B plate 1, a middle hot runner plate 1, a middle hot runner plate 2 and a middle B plate 2, the present invention utilizes a two-color laminating technology to inject a first shot product on the ground side of the mold and inject a second shot product on the sky side, and a robot or a manipulator is used in the middle to realize automatic removal of the first shot product from the ground side to the sky side, and automatic removal of the second shot product after installation.

Description

Technical Field

[0001] The present invention relates to the field of mold structures, and more particularly to a double-color laminated mold structure. Background Art

[0002] Two-color molds are becoming increasingly popular in the market. Two-color molding is superior to traditional injection molding in structure and appearance, making the product more beautiful and popular with more and more people. However, in foreign countries, such as Europe, in order to produce two-color products with higher requirements and better quality, they introduced Krauss Maffei injection molding machines. This type of injection molding machine has a main nozzle and a secondary nozzle facing each other. The two nozzles are in a straight line, and the secondary nozzle is installed on the moving side of the injection molding machine.

[0003] The existing two-color mold technology is not applied to the stacked mold. If the two are combined, the tonnage of the device will increase dramatically under the same cavity, thereby increasing the production cost of the device. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a two-color stacked mold structure to solve the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a two-color laminated mold structure, comprising a fixed mold part, a middle part and a movable mold part, characterized in that: the fixed mold part includes a fixed mold fixed plate, a fixed mold hot runner plate, a fixed mold standing foot, a fixed mold A plate, a fixed mold upper ejector plate and a fixed mold lower ejector plate, the movable mold part includes a movable mold A plate, a movable mold standing foot, a movable mold fixed plate, a movable mold lower ejector plate, a movable mold upper ejector plate, a fixed mold upper ejector plate and a fixed mold lower ejector plate, and the fixed mold part and the movable mold part are arranged oppositely, the middle part includes a middle B plate 1, a middle hot runner plate 1, a middle hot runner plate 2 and a middle B plate 2, wherein the middle B plate 1 and the middle B plate 2 are located outside and correspond to the fixed mold A plate and the movable mold A plate respectively;

[0008] The top of the fixed mold part is provided with a first hot runner system, and the surface of the middle part is provided with a second hot runner system, the first hot runner system includes a first hot runner main nozzle cylinder system, a first hot runner main nozzle body, a first hot runner nozzle, a first hot runner cylinder system and a first hot runner manifold main nozzle, and the second hot runner system includes a second hot runner cylinder system and a second hot runner nozzle;

[0009] A fixed mold side robot palm is arranged between the fixed mold A plate and the middle B plate 1 , and a movable mold side robot palm is arranged between the movable mold A plate and the middle B plate 2 .

[0010] In a preferred embodiment, the side of the fixed mold A plate opposite to the middle B plate 1 is provided with a first fixed mold side injection mold core and a second fixed mold side injection mold core, and the side corresponding to the middle B plate 1 is provided with a middle first injection mold core and a middle second injection mold core.

[0011] In a preferred embodiment, the movable mold A plate is provided with a first movable mold core and a second movable mold core on the side opposite to the middle B plate 2, and another group of middle first mold cores and middle second mold cores are provided on the side opposite to the middle B plate 2.

[0012] In a preferred embodiment, a first heat runner main nozzle cylinder system and a first heat runner main nozzle body which are connected to each other are arranged below the first heat runner system, and the other end of the first heat runner main nozzle body is connected to the first heat runner diverter plate main nozzle, and the first heat runner nozzle and the first heat runner cylinder system are arranged at one end of the first heat runner diverter plate main nozzle away from the first heat runner main nozzle body, and the first heat runner nozzle is connected to the first injection mold core on the fixed mold side, the first injection mold core in the middle and the first injection mold core on the movable mold side.

[0013] In a preferred embodiment, a second hot runner cylinder system and a second hot runner nozzle are arranged below the second hot runner system, and the second hot runner nozzle is connected to the second injection mold core on the fixed mold side, the second injection mold core in the middle and the second injection mold core on the movable mold side.

[0014] In a preferred embodiment, the fixed mold side robot palm is mounted on the outer surface of the first mold core on the fixed mold side and the second mold core on the fixed mold side, and the movable mold side robot palm is mounted on the outer surface of the first mold core on the movable mold side and the second mold core on the movable mold side. The first mold core on the fixed mold side and the first mold core on the movable mold side can produce the first shot product, and the second mold core on the fixed mold side and the second mold core on the movable mold side can produce the second shot product.

[0015] In a preferred embodiment, the fixed mold part, the middle part and both sides of the movable mold part are provided with a gear rack mechanism, and the gear rack mechanism includes a gear mechanism arranged in the middle part, a fixed mold rack arranged in the fixed mold part and a movable mold rack arranged in the movable mold part, and a weighing pole is arranged on one side of the fixed mold rack.

[0016] In a preferred embodiment, a central gear is provided inside the gear mechanism, and two sides of the central gear are respectively meshed with the fixed mold rack and the movable mold rack.

[0017] In a preferred embodiment, a turret fixing plate can be provided on the surface of the middle part, and a sky side turret body is provided on the surface of the turret fixing plate. The sky side turret nozzle provided in the sky side turret body passes through the through hole opened in the turret fixing plate and is connected to the inlet of the second heat injection runner system.

[0018] In a preferred embodiment, the structures disposed inside the fixed mold part and the movable mold part are connected by flanges, and a cylinder ejection system is disposed inside the fixed mold part.

[0019] (III) Beneficial effects

[0020] The present invention provides a two-color laminated mold structure, which has the following beneficial effects:

[0021] 1. The present invention utilizes stacking mold technology to double the number of molds on a small-tonnage injection molding machine, thereby achieving the purpose of increasing output and reducing costs;

[0022] 2. The present invention utilizes the two-color laminating technology to inject the first shot product on the ground side of the mold and the second shot product on the sky side. In the meantime, a robot or manipulator is used to automatically remove the first shot product from the ground side to the sky side, and to automatically remove the second shot product;

[0023] 3. The present invention utilizes a small-sized sky-side injection molding turret, which can be directly fixed on the middle part of the stack mold to perform injection molding of the second shot product. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0025] Figure 2 It is a structural schematic diagram of the mold opening state of the present invention.

[0026] Figure 3 It is a structural schematic diagram of the fixed mold part of the present invention.

[0027] Figure 4 It is a structural schematic diagram of the middle part of the present invention.

[0028] Figure 5 It is a structural schematic diagram of the movable mold part of the present invention.

[0029] Figure 6 It is a schematic structural diagram of the gear rack mechanism of the present invention.

[0030] Figure 7 It is a schematic diagram of the internal structure of the gear mechanism of the present invention.

[0031] Figure 8 It is a schematic structural diagram of the hot runner system of the present invention.

[0032] Fig. 9 It is a schematic structural diagram of the mechanical palm of the present invention.

[0033] Fig.10 It is a structural schematic diagram of the assembly position of the robot palm of the present invention.

[0034] Fig.11 It is a structural schematic diagram of the sky side turret of the present invention.

[0035] Fig.12 It is a schematic diagram of the structure of the sky side turret assembly of the present invention.

[0036] The accompanying drawings are marked as follows: 1. first hot runner system; 2. oil cylinder ejection system; 3. second hot runner system; 4. gear rack mechanism; 5. fixed mold fixing plate; 6. fixed mold hot runner plate; 7. fixed mold foot; 8. fixed mold A plate; 9. middle B plate 1; 10. middle hot runner plate 1; 11. middle hot runner plate 2; 12. middle B plate 2; 13. movable mold A plate; 14. movable mold foot; 15. movable mold fixing plate; 16. flange; 17. movable mold lower ejector plate; 18. movable mold upper ejector plate; 19. fixed mold upper ejector plate; 20. fixed mold lower ejector plate; 21. second ejector core on the fixed mold side; 22. first ejector core on the fixed mold side; 23. middle second ejector core; 24. middle first ejector core; 25. second ejector core on the movable mold side 1. The first shot mold core on the movable mold side; 26. The first shot mold core on the movable mold side; 27. The gear mechanism; 28. The fixed mold rack; 29. ​​The movable mold rack; 30. The weighing pole; 31. The center gear; 32. The second shot hot runner cylinder system; 33. The second shot hot runner nozzle; 34. The first shot hot runner main nozzle cylinder system; 35. The first shot hot runner main nozzle body; 36. The first shot hot runner nozzle; 37. The first shot hot runner cylinder system; 38. The first shot hot runner manifold main nozzle; 39. The fixed mold side robot palm; 40. The movable mold side robot palm; 41. The second shot product; 42. The first shot product; 43. The sky side turret nozzle; 44. The turret fixing plate; 45. The sky side turret body; 46. The middle part; 47. The fixed mold part; 48. The movable mold part. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] The present invention provides a two-color laminated mold structure, including a fixed mold part 47, a middle part 46 and a movable mold part 48, wherein the fixed mold part 47 includes a fixed mold fixing plate 5, a fixed mold hot runner plate 6, a fixed mold standing foot 7, a fixed mold A plate 8, a fixed mold upper ejector plate 19 and a fixed mold lower ejector plate 20, and the movable mold part 48 includes a movable mold A plate 13, a movable mold standing foot 14, a movable mold fixing plate 15, a movable mold lower ejector plate 17, a movable mold upper ejector plate 18, a fixed mold upper ejector plate 19 and a fixed mold lower ejector plate 20, and the fixed mold part 47 and the movable mold part 48 are arranged oppositely, and the middle part 46 includes a middle B plate 19, a middle hot runner plate 110, a middle hot runner plate 211 and a middle B plate 212, wherein the middle B plate 19 and the middle B plate 212 are located outside and correspond to the fixed mold A plate 8 and the movable mold A plate 13 respectively;

[0039] The top of the fixed mold part 47 is provided with a first hot runner system 1, and the surface of the middle part 46 is provided with a second hot runner system, wherein the first hot runner system 1 includes a first hot runner main nozzle cylinder system 34, a first hot runner main nozzle body 35, a first hot runner nozzle 36, a first hot runner cylinder system 37 and a first hot runner manifold main nozzle 38, and the second hot runner system includes a second hot runner cylinder system 32 and a second hot runner nozzle 33;

[0040] A fixed mold side robot palm 39 is arranged between the fixed mold A plate 8 and the middle B plate 19 , and a movable mold side robot palm 40 is arranged between the movable mold A plate 13 and the middle B plate 212 .

[0041] Based on the above, the above scheme is further refined and introduced in combination with the following specific working methods. See the following description for details.

[0042] like Figure 2 As shown, a first fixed mold side injection mold core 22 and a second fixed mold side injection mold core 21 are provided on the side opposite to the fixed mold A plate 8 and the middle B plate 19, and a first middle injection mold core 24 and a second middle injection mold core 23 are provided on the side corresponding to the middle B plate 19. Furthermore, a first shot product 42 can be injection molded by the first fixed mold side injection mold core 22 and the first middle injection mold core 24 provided between the fixed mold A plate 8 and the middle B plate 19, and a second shot product 41 can be injection molded by the second fixed mold side injection mold core 21 and the second middle injection mold core 23 provided between the fixed mold A plate 8 and the middle B plate 19.

[0043] like Figure 3As shown, a first movable mold side injection mold core 26 and a second movable mold side injection mold core 25 are provided on the side opposite to the movable mold A plate 13 and the middle B plate 212, and another group of middle first injection mold cores 24 and middle second injection mold cores 23 are provided on the side opposite to the middle B plate 212. Furthermore, a first shot product 42 can be injection molded by the first movable mold side injection mold core 26 and the middle first injection mold core 24 provided between the movable mold A plate 13 and the middle B plate 212, and a second shot product 41 can be injection molded by the second movable mold side injection mold core 25 and the middle second injection mold core 23 provided between the movable mold A plate 13 and the middle B plate 212.

[0044] like Figure 8 As shown, the first heat-spraying runner system 1 is provided with a first heat-spraying runner main nozzle cylinder system 34 and a first heat-spraying runner main nozzle body 35 connected to each other below, and the other end of the first heat-spraying runner main nozzle body 35 is connected to a first heat-spraying runner manifold main nozzle 38, and the first heat-spraying runner manifold main nozzle 38 is provided with a first heat-spraying runner nozzle 36 and a first heat-spraying runner cylinder system 37 at one end away from the first heat-spraying runner main nozzle body 35, and the first heat-spraying runner nozzle 36 is connected to the first injection mold core 22 on the fixed mold side and the middle mold core 22 on the fixed mold side. The first injection mold core 24 and the first injection mold core 26 on the movable mold side are connected. Further, the injection molten liquid is transported to the first hot runner main nozzle cylinder system 34 by utilizing the feed port of the first injection hot runner system 1. The injection molten liquid is transported to the first hot runner main nozzle body 35 by the action of the cylinder, and then transported to the first hot runner diverter plate main nozzle 38. After that, it is pushed forward by the first hot runner cylinder system 37 and ejected by the first hot runner nozzle 36, thereby performing injection molding on the first shot product 42.

[0045] like Figure 8 As shown, a second hot runner cylinder system 32 and a second hot runner nozzle 33 are arranged below the second hot runner system 3, and the second hot runner nozzle 33 is connected to the second injection mold core 21 on the fixed mold side, the middle second injection mold core 23 and the second injection mold core 25 on the movable mold side. Furthermore, the injection molding melt is transported to the inside of the second hot runner cylinder system 32 by utilizing the feed port of the second hot runner system 3, and the injection molding melt is pushed to the second hot runner nozzle 33 for spraying by utilizing the cylinder, thereby performing injection molding on the second injection product 41.

[0046] like Fig. 9As shown, the fixed mold side manipulator 39 is sleeved on the outer surface of the first mold core 22 on the fixed mold side and the second mold core 21 on the fixed mold side, and the movable mold side manipulator 40 is sleeved on the outer surface of the first mold core 26 on the movable mold side and the second mold core 25 on the movable mold side. The first mold core 22 on the fixed mold side and the first mold core 26 on the movable mold side can produce the first shot product 42, and the second mold core 21 on the fixed mold side and the second mold core 25 on the movable mold side can produce the second shot product 41. Furthermore, the fixed mold side manipulator 39 and the movable mold side manipulator 40 provided in the device can take out the first shot product 42 and the second shot product 41 after injection molding, so as to facilitate the device to perform injection molding again.

[0047] The robot palm movement description (taking the movable mold side as an example, the fixed mold side movement is the same): After the mold is opened, the product is ejected, and the robot palm reaches the product position, such as Fig. 9 As shown, take out the product and move it toward the sky. Figure 5 As shown in the second injection mold of the movable mold, Fig.10 As shown, the first shot product 42 on the movable mold side is placed into the corresponding mold core, and then moved to a suitable position outside the mold, and the second shot product 41 on the movable mold side is placed, and the robot palm is reset.

[0048] like Figure 6 As shown, the fixed mold part 47, the middle part 46 and the movable mold part 48 are all provided with a gear rack mechanism 4, and the gear rack mechanism 4 includes a gear mechanism 27 arranged in the middle part 46, a fixed mold rack 28 arranged in the fixed mold part 47 and a movable mold rack 29 arranged in the movable mold part 48. A weighing pole 30 is arranged on one side of the fixed mold rack 28. Furthermore, the gear mechanism 27 is engaged with the fixed mold rack 28 and the movable mold rack 29. When the gear mechanism 27 is driven, the fixed mold rack 28 and the movable mold rack 29 can be driven to move vertically, thereby completing the opening and closing of the device.

[0049] like Figure 7 As shown, a central gear 31 is provided inside the gear mechanism 27, and the two sides of the central gear 31 are respectively meshed with the fixed mold rack 28 and the movable mold rack 29. Furthermore, the gear mechanism 27 is meshed with the fixed mold rack 28 and the movable mold rack 29. When the gear mechanism 27 is driven, the fixed mold rack 28 and the movable mold rack 29 can be driven to move vertically, thereby completing the opening and closing of the device.

[0050] like Fig.11 and Fig.12As shown, a turret fixing plate 44 may be provided on the surface of the middle part 46, and a sky-side turret body 45 is provided on the surface of the turret fixing plate 44. A sky-side turret nozzle 43 provided in the sky-side turret body 45 passes through a through hole provided in the turret fixing plate 44 and is connected to the inlet of the second heat-spraying runner system 3. Furthermore, the sky-side turret nozzle 43 is connected to the inlet of the second heat-spraying runner system 3, thereby supplying injection molten liquid to the second heat-spraying runner system 3, so as to complete the injection molding;

[0051] Installation Instructions for the Skyside Turret: The Skyside Turret is placed on Figure 4 The middle part 46 is shown on the zenithal side. After the zenithal side turret nozzle 43 is aligned with the second hot runner system 3 , the turret fixing plate 44 is fixed to the middle hot runner plate 110 and the middle hot runner plate 211 .

[0052] like Figure 2 As shown, the structures arranged inside the fixed mold part 47 and the movable mold part 48 are connected by flange 16, and a cylinder ejection system 2 is arranged inside the fixed mold part 47. Furthermore, the internal equipment of the fixed mold part 47 and the movable mold part 48 are connected to each other by flange 16, so that the operation of the device is more stable.

[0053] In summary, the working process of the present invention is as follows: when in use, the injection molding molten liquid is input into the first hot runner system 1 and the second hot runner system 3, and the injection molding molten liquid is transported to the first hot runner nozzle 36 and the second hot runner nozzle 33 by the first hot runner cylinder system 37 and the second hot runner cylinder system for spraying, thereby completing the first shot product 42 and the second shot product 41, and then, the device is molded by the gear rack mechanism 4, and then the first shot product 42 and the second shot product 41 are taken out by the fixed mold side robot palm 39 and the movable mold side robot palm 40, thereby completing the injection molding of the first shot product 42 and the second shot product 41.

[0054] 1. Working principle of the present invention: The present invention utilizes stacking mold technology to double the number of molds on a small-tonnage injection molding machine, thereby achieving the purpose of increasing output and reducing costs;

[0055] 2. The present invention uses the two-color laminating technology to inject the first shot product 42 on the ground side of the mold and the second shot product 41 on the sky side. In the meantime, a robot or manipulator is used to automatically remove the first shot product 42 from the ground side to the sky side, and to install and automatically remove the second shot product 41;

[0056] 3. The present invention utilizes a small top-side injection molding turret, which can be directly fixed on the middle part 46 of the stack mold to perform injection molding of the second shot product 41.

[0057] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0058] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A two-color laminated mold structure, comprising a fixed mold part (47), a middle part (46) and a movable mold part (48), characterized in that: The fixed mold part (47) internally includes a fixed mold fixing plate (5), a fixed mold hot runner plate (6), a fixed mold standing foot (7), a fixed mold A plate (8), a fixed mold upper ejector plate (19) and a fixed mold lower ejector plate (20); the movable mold part (48) includes a movable mold A plate (13), a movable mold standing foot (14), a movable mold fixing plate (15), a movable mold lower ejector plate (17), a movable mold upper ejector plate (18), a fixed mold upper ejector plate (19) and a fixed mold lower ejector plate (20); and the fixed mold part (47) and the movable mold part (48) are arranged in a structure opposite to each other; the middle part (46) includes a middle B plate 1 (9), a middle hot runner plate 1 (10), a middle hot runner plate 2 (11) and a middle B plate 2 (12); wherein the middle B plate 1 (9) and the middle B plate 2 (12) are located outside and correspond to the fixed mold A plate (8) and the movable mold A plate (13) respectively; The top of the fixed mold part (47) is provided with a first hot runner system (1), and the surface of the middle part (46) is provided with a second hot runner system, the first hot runner system (1) comprises a first hot runner main nozzle cylinder system (34), a first hot runner main nozzle body (35), a first hot runner nozzle (36), a first hot runner cylinder system (37) and a first hot runner manifold main nozzle (38), and the second hot runner system comprises a second hot runner cylinder system (32) and a second hot runner nozzle (33); A fixed mold side mechanical palm (39) is arranged between the fixed mold A plate (8) and the middle B plate 1 (9), and a movable mold side mechanical palm (40) is arranged between the movable mold A plate (13) and the middle B plate 2 (12).

2. A two-color laminated mold structure according to claim 1, characterized in that: The side of the fixed mold A plate (8) opposite to the middle B plate 1 (9) is provided with a first fixed mold side injection mold core (22) and a second fixed mold side injection mold core (21), and the side corresponding to the middle B plate 1 (9) is provided with a first middle injection mold core (24) and a second middle injection mold core (23).

3. A two-color laminated mold structure according to claim 1, characterized in that: The movable mold A plate (13) is provided with a movable mold side first injection mold core (26) and a movable mold side second injection mold core (25) on the side opposite to the middle B plate 2 (12), and another group of middle first injection mold cores (24) and middle second injection mold cores (23) are provided on the side opposite to the middle B plate 2 (12).

4. The double-color laminated mold structure according to claim 1, characterized in that: A first heat-spraying runner main nozzle cylinder system (34) and a first heat-spraying runner main nozzle body (35) which are connected to each other are arranged below the first heat-spraying runner system (1), and the other end of the first heat-spraying runner main nozzle body (35) is connected to a first heat-spraying runner manifold main nozzle (38), and a first heat-spraying runner nozzle (36) and a first heat-spraying runner cylinder system (37) are arranged at one end of the first heat-spraying runner manifold main nozzle (38) away from the first heat-spraying runner main nozzle body (35), and the first heat-spraying runner nozzle (36) is connected to a first injection mold core (22) on the fixed mold side, a first injection mold core (24) in the middle, and a first injection mold core (26) on the movable mold side.

5. The double-color laminated mold structure according to claim 1, characterized in that: A second heat-spraying runner cylinder system (32) and a second heat-spraying runner nozzle (33) are arranged below the second heat-spraying runner system (3), and the second heat-spraying runner nozzle (33) is connected to the second injection mold core (21) on the fixed mold side, the second injection mold core (23) in the middle, and the second injection mold core (25) on the movable mold side.

6. The double-color laminated mold structure according to claim 1, characterized in that: The fixed mold side mechanical hand (39) is sleeved on the outer surface of the first mold core (22) on the fixed mold side and the second mold core (21) on the fixed mold side, and the movable mold side mechanical hand (40) is sleeved on the outer surface of the first mold core (26) on the movable mold side and the second mold core (25) on the movable mold side. The first mold core (22) on the fixed mold side and the first mold core (26) on the movable mold side can produce a first injection product (42), and the second mold core (21) on the fixed mold side and the second mold core (25) on the movable mold side can produce a second injection product (41).

7. The double-color laminated mold structure according to claim 1, characterized in that: The fixed mold part (47), the middle part (46) and the movable mold part (48) are all provided with a gear rack mechanism (4), and the gear rack mechanism (4) includes a gear mechanism (27) provided in the middle part (46), a fixed mold rack (28) provided in the fixed mold part (47) and a movable mold rack (29) provided in the movable mold part (48), and a weighing pole (30) is provided on one side of the fixed mold rack (28).

8. The double-color laminated mold structure according to claim 1, characterized in that: A central gear (31) is arranged inside the gear mechanism (27), and two sides of the central gear (31) are respectively meshed with the fixed mold rack (28) and the movable mold rack (29).

9. The double-color laminated mold structure according to claim 1, characterized in that: A turret fixing plate (44) may be provided on the surface of the middle portion (46), and a top-side turret body (45) is provided on the surface of the turret fixing plate (44). A top-side turret nozzle (43) provided in the top-side turret body (45) passes through a through hole provided in the turret fixing plate (44) and is connected to a material inlet of the second heat injection channel system (3).

10. The double-color laminated mold structure according to claim 1, characterized in that: The structures arranged inside the fixed mold part (47) and the movable mold part (48) are connected by means of flanges (16), and a cylinder ejection system (2) is arranged inside the fixed mold part (47).

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