Multi-color injection molding machine device

By using an internal feed barrel in the injection molding machine to separate it into four areas and using the motor and spiral rod system to control the addition and mixing of raw materials, the problems of large size and complex structure of the multi-color injection molding machine are solved, and the equipment is miniaturized and cost-reduced.

CN223131219UActive Publication Date: 2025-07-22JIANGSU HAISEN ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202422604451.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-07-22
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

The existing multi-color injection molding machines require multiple feed hoppers, resulting in large equipment size and complex structure, which increases production costs.

Method used

An internal feed bucket is used to replace multiple feed hoppers. The first and second partitions are designed in a cross-shaped distribution inside the internal feed bucket, and the space is divided into four areas, and the addition and mixing of raw materials are controlled through the motor and spiral system.

Benefits of technology

It reduces the volume of the injection molding machine, reduces production costs, and ensures the accuracy of raw material addition and mixing uniformity, thereby improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

According to the multi-color injection molding machine device, an outer feeding barrel is connected with an inner feeding barrel through a supporting rod and a supporting plate, a baffle is arranged on a bottom plate at the top end of the outer feeding barrel, a partition plate is arranged on the baffle, a first motor is arranged on a motor base on the supporting plate, and a threaded rod connected with the first motor is in threaded connection with a moving block; a sliding rod connected with the bottom end of the moving block is connected with a sliding block in the sliding groove, a push-pull rod connected with the top end of the moving block is connected with a push-pull plate, limiting plate grooves connected with the push-pull plate in a sliding mode are fixed to the inner feeding barrel and a first partition plate respectively, second partition plates are connected to the two sides of the first partition plate, and a protection box is arranged in a discharging hopper connected with the bottom end of the inner feeding barrel. A supporting hanger plate connected to the top end of the protection box is fixed to the bottom end of the first partition plate, a second motor in the protection box is connected with a spiral rod, spiral blades are wound on the spiral rod, a discharging hopper is connected to the injection device, one feeding barrel is used for replacing a plurality of feeding hoppers, and the defects that an existing multi-color injection molding machine is large in size and complex in structure are overcome.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machines, and particularly relates to a multi-color injection molding machine device. Background Art

[0002] An injection molding machine, also known as an injection molding machine or an injection machine, is the main molding equipment for making various shaped plastic products from thermoplastic or thermosetting plastics using plastic molding dies. A multi-color injection molding machine is a device that can perform injection molding using two or more colors of materials. This technology injects materials of different colors into the die through a die with one or more runners, thereby achieving the effect of multiple colors on the same product. However, existing multi-color injection molding machines require multiple feed hoppers, resulting in a large volume and complex structure of the multi-color injection molding machine, increasing the production cost of enterprises. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies of the above-mentioned existing technologies, and provide a multi-color injection molding machine device, which replaces multiple feed hoppers with one feed barrel, and can separately inject raw materials of different colors or simultaneously inject raw materials of multiple colors, solving the problems of large volume and complex structure of existing multi-color injection molding machines, and reducing the production cost of enterprises.

[0004] The technical solution adopted by the utility model is a multi-color injection molding machine device, including an outer feed barrel. An inner feed barrel is arranged inside the outer feed barrel. Support rods and support plates are fixedly connected between the outer feed barrel and the inner feed barrel. The top end of the outer feed barrel is fixedly connected to a bottom plate. A baffle is arranged on the bottom plate. A partition plate is arranged in the middle of the top end of the baffle. A motor base and a chute are arranged on the support plate. A first motor is arranged on the motor base. The first motor is connected to a threaded rod. The threaded rod is threadedly connected to a moving block. The bottom end of the moving block is connected to a sliding rod. The sliding rod is connected to a slider in the chute. The top end of the moving block is connected to a push-pull rod. The push-pull rod is connected to a push-pull plate. The push-pull plate passes through a limit hole and is slidably connected to limit plate grooves on both sides. The limit plate grooves on both sides are respectively fixed to the inner feed barrel and a first partition plate. Second partition plates are respectively connected to the middle parts of both sides of the first partition plate. The bottom end of the inner feed barrel is connected to a feed hopper. A protective box is arranged inside the feed hopper. A support hanging plate is connected to the top end of the protective box. The top end of the support hanging plate is fixed to the middle of the bottom end of the first partition plate. A motor support rod is arranged inside the protective box. The motor support rod is connected to a second motor. The second motor is connected to a spiral rod. A spiral blade is wound on the spiral rod. The bottom end of the feed hopper passes through the outer feed barrel and is connected to an injection device.

[0005] The described first partition board and second partition board are distributed in a cross shape inside the inner feeding barrel, and a first feeding area, a second feeding area, a third feeding area, and a fourth feeding area are formed around the first partition board and the second partition board.

[0006] The described outer feeding barrel is fixed above the electric control device through support columns, and a mold clamping device is provided on the top end of the electric control device.

[0007] The number of the described limiting holes is four, and they are symmetrically distributed on both side walls of the inner feeding barrel in pairs, and a sealing rubber ring is provided around the limiting holes.

[0008] Four baffles are distributed on the bottom plate. The top surface of the bottom plate is horizontally flush with the top surface of the inner feeding barrel, and the side cross-section of the baffle is a right triangle.

[0009] The side cross-section of the partition board is an inverted right triangle. The partition board is respectively attached to the side edges of the first partition board and the second partition board. The top surfaces of the partition board are respectively flush with the top surfaces of the first partition board and the second partition board, and the width of the partition board is the same as the widths of the first partition board and the second partition board.

[0010] The top surface of the limiting plate groove is arc-shaped.

[0011] Advantages of the present utility model: In the present utility model, a first partition board and a second partition board distributed in a cross shape are designed inside the inner feeding barrel, dividing the space inside the inner feeding barrel into four areas: a first feeding area, a second feeding area, a third feeding area, and a fourth feeding area. Four different colors of raw materials can be contained in the inner feeding barrel at the same time, reducing the volume of the injection molding machine device and lowering the production cost of the enterprise.

[0012] In the present utility model, baffles and partition boards are arranged beside the four areas of the first feeding area, the second feeding area, the third feeding area, and the fourth feeding area, which can prevent raw materials from flowing into other feeding areas when adding materials to each feeding area, ensuring the accuracy of raw material addition.

[0013] In the present utility model, a limiting plate groove is provided in the lower half of the inner feeding barrel. The limiting plate groove can be slidably connected with a push-pull plate. The push-pull plate can be pulled outwards under the action of a first motor, a threaded rod, a moving block, and a push-pull rod, and each push-pull plate can be controlled independently, realizing the control of the feeding time of raw materials of different colors.

[0014] In the present utility model, when raw materials of different colors are fed simultaneously, a second motor, a screw rod, and a screw blade can make the raw materials of different colors mix more evenly, which is beneficial to the subsequent production processes of the product. Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the internal structure of the outer feeding barrel and the feeding hopper of the present utility model.

[0016] Figure 2 It is a partial structural schematic diagram of the present utility model.

[0017] Figure 3 It is an overall external view schematic diagram of the present utility model.

[0018] Figure 4 It is a top view schematic diagram of the internal structure of the inner feeding barrel of the present utility model.

[0019] Figure 5 It is a top view schematic diagram of the four feeding areas of the present utility model.

[0020] Figure 6 It is a side view schematic diagram of the push-pull plate and the limit plate groove of the present utility model.

[0021] Figure 7 It is a side view schematic diagram of the baffle plate and the partition plate of the present utility model.

[0022] In the figure: 1. Outer feeding barrel, 2. Inner feeding barrel, 3. Support rod, 4. Support plate, 5. Bottom plate, 6. Baffle plate, 7. Partition plate, 8. Motor base, 9. First motor, 10. Threaded rod, 11. Moving block, 12. Slide rod, 13. Slide block, 14. Chute, 15. Push-pull rod, 16. Push-pull plate, 17. Limit hole, 18. Limit plate groove, 19. First partition plate, 20. Second partition plate, 21. Feeding hopper, 22. Support hanging plate, 23. Protection box, 24. Motor support rod, 25. Second motor, 26. Screw rod, 27. Screw blade, 28. Injection device, 29. First feeding area, 30. Second feeding area, 31. Third feeding area, 32. Fourth feeding area, 33. Mold clamping device, 34. Electric control device, 35. Support column. Detailed implementation manners

[0023] The accompanying drawings are only for illustrative purposes and should not be construed as limitations on this patent; for better explaining this embodiment, some components in the accompanying drawings will be omitted, enlarged or reduced, which do not represent the dimensions of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted.

[0024] Referring to the attached drawings, a multi-color injection molding machine device includes an outer feed barrel 1. An inner feed barrel 2 is provided inside the outer feed barrel 1. Support rods 3 and a support plate 4 are fixedly connected between the outer feed barrel 1 and the inner feed barrel 2. The top of the outer feed barrel 1 is fixedly connected to a bottom plate 5. A baffle 6 is provided on the bottom plate 5. In the middle position at the top of the baffle 6, there is a partition plate 7. A motor base 8 and a chute 14 are provided on the support plate 4. A first motor 9 is provided on the motor base 8. The first motor 9 is connected to a threaded rod 10. The threaded rod 10 is threadedly connected to a moving block 11. The bottom end of the moving block 11 is connected to a sliding rod 12. The sliding rod 12 is connected to a slider 13 in the chute 14. The top end of the moving block 11 is connected to a push-pull rod 15. The push-pull rod 15 is connected to a push-pull plate 16. The push-pull plate 16 passes through a limiting hole 17 and is slidably connected to limiting plate grooves 18 on both sides. The limiting plate grooves 18 on both sides are respectively fixed on the inner feed barrel 2 and a first partition plate 19. In the middle of both sides of the first partition plate 19, there are second partition plates 20 respectively connected. The bottom end of the inner feed barrel 2 is connected to a feeding hopper 21. A protective box 23 is provided inside the feeding hopper 21. The top of the protective box 23 is connected to a support hanging plate 22. The top of the support hanging plate 22 is fixed to the middle of the bottom end of the first partition plate 19. A motor support rod 24 is provided inside the protective box 23. The motor support rod 24 is connected to a second motor 25. The second motor 25 is connected to a spiral rod 26. A spiral blade 27 is wound around the spiral rod 26. The bottom end of the feeding hopper 21 passes through the outer feed barrel 1 and is connected to an injection device 28.

[0025] The first partition plate 19 and the second partition plates 20 are distributed in a cross shape inside the inner feed barrel 2, and a first feeding area 29, a second feeding area 30, a third feeding area 31, and a fourth feeding area 32 are formed around the first partition plate 19 and the second partition plates 20.

[0026] The outer feed barrel 1 is fixed above an electric control device 34 through a support column 35. A mold clamping device 33 is provided on the top of the electric control device 34.

[0027] The number of the limiting holes 17 is four, which are symmetrically distributed in pairs on the side walls of both sides of the inner feed barrel 2, and a sealing rubber ring is provided around the limiting holes 17.

[0028] Four baffles 6 are distributed on the bottom plate 5. The top surface of the bottom plate 5 is horizontally flush with the top surface of the inner feed barrel 2. The side profile of the baffle 6 is a right triangle.

[0029] The side profile of the partition plate 7 is an inverted right-angled triangle. The partition plate 7 is respectively attached to the side edges of the first partition plate 19 and the second partition plate 20. The top surfaces of the partition plate 7 are flush with the top surfaces of the first partition plate 19 and the second partition plate 20, and the width of the partition plate 7 is the same as the widths of the first partition plate 19 and the second partition plate 20.

[0030] The top surface of the limiting plate groove 18 is arc-shaped.

[0031] When this multi-color injection molding machine device is in use, different-color raw materials are respectively added into the first feeding area 29, the second feeding area 30, the third feeding area 31, and the fourth feeding area 32 in the inner feeding barrel 2 through the feeding ladder of the injection molding machine. When the raw materials in the corresponding feeding area are needed, the first motor 9 and the second motor 25 in the corresponding feeding area are started. The first motor 9 drives the threaded rod 10 to rotate, causing the moving block 11 to move backward, thereby driving the push-pull rod 15 and the push-pull plate 16 to move backward, enabling the raw materials in the corresponding feeding area to fall and enter the feeding hopper 21, and then being carried by the screw rod 26 and the screw blade 27 into the injection device 28 for heating and melting and then injected into the mold clamping device 33 for mold clamping.

[0032] In the present utility model, the inner feeding barrel 2 is designed with a first partition plate 19 and a second partition plate 20 distributed in a cross shape, dividing the space in the inner feeding barrel 2 into four areas: the first feeding area 29, the second feeding area 30, the third feeding area 31, and the fourth feeding area 32, which can enable four different-color raw materials to be contained in the inner feeding barrel 2 simultaneously, reducing the volume of the injection molding machine device and lowering the production cost of the enterprise.

[0033] In the present utility model, baffles 6 and partition plates 7 are arranged beside the four areas of the first feeding area 29, the second feeding area 30, the third feeding area 31, and the fourth feeding area 32, which can prevent raw materials from flowing into other feeding areas when adding raw materials to each feeding area, ensuring the accuracy of raw material addition.

[0034] In the present utility model, a limiting plate groove 18 is provided in the lower half of the inner feeding barrel 2. The limiting plate groove 18 can be slidably connected to the push-pull plate 16. The push-pull plate 16 can be pulled outwards under the action of the first motor 9, the threaded rod 10, the moving block 11, and the push-pull rod 15, and each push-pull plate 16 can be controlled independently, realizing the control of the feeding time of different-color raw materials.

[0035] In the present utility model, when different-color raw materials are fed simultaneously, the second motor 25, the screw rod 26, and the screw blade 27 can make the different-color raw materials mix more evenly, which is beneficial to the subsequent production processes of the product.

[0036] The above embodiments of the new model are merely examples for clearly illustrating the present utility model, rather than limitations on the implementation modes of the present utility model. For those of ordinary skill in the art, other different forms of changes or alterations can be made based on the above description. It is not necessary and impossible to enumerate all implementation modes here. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims

1. A multi-color injection molding machine device, including an external feed barrel (1), characterized in that: The outer feeding barrel (1) is provided with an inner feeding barrel (2). Support rods (3) and support plates (4) are fixedly connected between the outer feeding barrel (1) and the inner feeding barrel (2). The top of the outer feeding barrel (1) is fixedly connected to a bottom plate (5). A baffle (6) is provided on the bottom plate (5). A partition plate (7) is provided in the middle of the top of the baffle (6). A motor base (8) and a chute (14) are provided on the support plate (4). A first motor (9) is provided on the motor base (8). The first motor (9) is connected to a threaded rod (10). The threaded rod (10) is threadedly connected to a moving block (11). The bottom end of the moving block (11) is connected to a sliding rod (12). The sliding rod (12) is connected to a slider (13) in the chute (14). The top end of the moving block (11) is connected to a push-pull rod (15). The push-pull rod (15) is connected to a push-pull plate (16). The push-pull plate (16) passes through a limit hole (17) and is slidably connected to limit plate grooves (18) on both sides. The limit plate grooves (18) on both sides are respectively fixed on the inner feeding barrel (2) and a first partition plate (19). Second partition plates (20) are respectively connected to the middle parts of both sides of the first partition plate (19). The bottom end of the inner feeding barrel (2) is connected to a feeding hopper (21). A protective box (23) is provided in the feeding hopper (21). The top of the protective box (23) is connected to a support hanging plate (22). The top of the support hanging plate (22) is fixed to the middle of the bottom end of the first partition plate (19). A motor support rod (24) is provided in the protective box (23). The motor support rod (24) is connected to a second motor (25). The second motor (25) is connected to a spiral rod (26). A spiral blade (27) is wound on the spiral rod (26). The bottom end of the feeding hopper (21) passes through the outer feeding barrel (1) and is connected to an injection device (28).

2. The multi-color injection molding machine device according to claim 1, characterized in that: The first partition plate (19) and the second partition plates (20) are distributed in a cross shape in the inner feeding barrel (2), and a first feeding area (29), a second feeding area (30), a third feeding area (31), and a fourth feeding area (32) are formed around the first partition plate (19) and the second partition plates (20).

3. The multi-color injection molding machine device according to claim 1, characterized in that: The outer feeding barrel (1) is fixed above an electric control device (34) through a support column (35). A mold clamping device (33) is provided on the top of the electric control device (34).

4. The multi-color injection molding machine device according to claim 1, characterized in that: The number of the limit holes (17) is four, and they are symmetrically distributed in pairs on the side walls of both sides of the inner feeding barrel (2), and a sealing rubber ring is provided around the limit holes (17).

5. The multi-color injection molding machine device according to claim 1, wherein: Four baffles (6) are distributed on the bottom plate (5). The top surface of the bottom plate (5) is flush with the top surface of the inner feeding barrel (2). The side cross-section of the baffle (6) is a right triangle.

6. The multi-color injection molding machine device according to claim 1, characterized in that: The side profile of the partition plate (7) is an inverted right-angled triangle. The partition plate (7) is respectively attached to the side edges of the first partition plate (19) and the second partition plate (20). The top surfaces of the partition plate (7) are flush with the top surfaces of the first partition plate (19) and the second partition plate (20), and the width of the partition plate (7) is the same as the widths of the first partition plate (19) and the second partition plate (20).

7. The multi-color injection molding machine device according to claim 3, characterized in that: The top surface of the limit plate groove (18) is arc-shaped.