Injection molding machine mixing and feeding device

By combining the design of the drive rod and the spiral blade, the problem of uneven mixing of color masterbatch in injection molding machines is solved, achieving more efficient mixing and feeding, and improving production efficiency and sealing performance.

CN224311064UActive Publication Date: 2026-06-02NANTONG CHENGYETONG PRECISION TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANTONG CHENGYETONG PRECISION TECHNOLOGY CO LTD
Filing Date
2025-05-09
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing masterbatch mixing and feeding devices for injection molding machines suffer from poor mixing uniformity, resulting in low production efficiency for enterprises.

Method used

A mixing and feeding device for an injection molding machine was designed. The connecting plate is rotated by a drive rod, and the raw materials are stirred by the connecting rod and the mounting rod. The raw materials are transported by a spiral blade to improve the uniformity of mixing. At the same time, the sealing of the discharge trough is ensured by the cooperation of the sealing plate and the electric push rod.

Benefits of technology

It improves the mixing uniformity and efficiency of color masterbatch in injection molding machines, facilitates operation, enhances the sealing of the equipment, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224311064U_ABST
    Figure CN224311064U_ABST
Patent Text Reader

Abstract

The utility model relates to a kind of injection molding machine mixed feeding device, belong to injection molding machine mixed feeding technical field, including bottom plate, the top surface of bottom plate is fixedly connected with mixing bin, between the right side surface of mixing bin and bottom plate is fixedly connected with conveying bin, mixing bin is equipped with the mixing component for mixing raw materials, the mixing bin includes connecting plate, one end of connecting plate is rotatably connected on the top surface of mixing bin by bearing, and its other end penetrates mixing bin and extends to its inside place.The injection molding machine mixed feeding device, rotating is carried out to connecting plate by drive rod, and then make two feeding hopper rotate, try to avoid raw materials to be accumulated together, improve uniformity and mixing effect, under the action of connecting rod and mounting rod, raw materials are conveniently agitated, improve mixing efficiency, at the same time, under the action of helical blade, raw materials are driven to move, raw materials are conveniently fed and handled, convenient for operator to operate.
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Description

Technical Field

[0001] This utility model relates to the field of injection molding machine mixing and feeding technology, specifically to an injection molding machine mixing and feeding device. Background Technology

[0002] Injection molding machines, also known as injection molding machines or injection machines, are the main molding equipment for making various shapes of plastic products from thermoplastic or thermosetting plastics using plastic molds. They are divided into vertical, horizontal, and all-electric types. Injection molding machines heat the plastic and apply high pressure to the molten plastic, causing it to be injected and fill the mold cavity.

[0003] The patent CN213035166U discloses a color masterbatch mixing and feeding device for injection molding machines. This patent discloses a convenient feeding technical solution, which solves the problem that existing injection molding machines require users to place color masterbatch in the feed hopper for feeding operations. The feeding operation consumes a lot of manpower and resources. In addition, the color masterbatch needs to be mixed and stirred before feeding, which is inefficient for manual operation, affecting the production efficiency of enterprises and is not conducive to user use.

[0004] When in use, the device feeds the raw materials into the injection molding machine through the connecting pipe, guide hose and nozzle, which is convenient for feeding the raw materials. However, when the raw materials enter the mixing tank, they tend to pile up, resulting in poor uniformity and reduced mixing effect. Therefore, an injection molding machine mixing and feeding device is proposed to solve the above problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a mixing and feeding device for injection molding machines, which has the advantage of improving uniformity and solves the problem of poor mixing uniformity in existing masterbatch mixing and feeding devices for injection molding machines.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A mixing and feeding device for an injection molding machine includes a base plate, a mixing chamber fixedly connected to the top surface of the base plate, a conveying chamber fixedly connected between the mixing chamber and the right side of the base plate, and a mixing component for mixing raw materials on the mixing chamber.

[0008] The mixing chamber includes a connecting plate. One end of the connecting plate is rotatably connected to the top surface of the mixing chamber via a bearing, and the other end extends through the mixing chamber and into its interior. A feeding hopper is placed on the top of the connecting plate. A feeding pipe with one end extending through the connecting plate and into the interior of the mixing chamber is fixedly connected to the interior of each of the two feeding hoppers. A drive rod with one end extending into the interior of the mixing chamber is fixedly connected to the bottom surface of the connecting plate. A number of connecting rods are fixedly connected to the left and right sides of the drive rod, and a number of mounting rods are fixedly connected to the bottom surfaces of the multiple connecting rods.

[0009] The conveying bin is equipped with conveying components for conveying raw materials.

[0010] The base plate is equipped with a drive assembly for rotating the drive rod.

[0011] Furthermore, the mixing chamber is shaped like a hollow cylinder, and the multiple connecting rods and multiple mounting rods are all located inside the mixing chamber.

[0012] Furthermore, the conveying assembly includes a partition plate, which is fixedly connected inside the conveying chamber. A first motor is fixedly installed on the bottom surface of the partition plate. The conveying shaft of the first motor is fixedly connected to a rotating rod that extends through the partition plate to the top wall of the conveying chamber. A spiral blade is fixedly fitted on the outer peripheral wall of the rotating rod. A discharge hole is opened on the right side of the conveying chamber. A collecting hopper is fixedly connected to the right side of the conveying chamber. A discharge pipe that extends through the collecting hopper to its bottom is fixedly connected to the inner bottom wall of the collecting hopper. A discharge trough is opened on the opposite side of the mixing chamber and the conveying chamber.

[0013] Furthermore, the conveying chamber is shaped like a hollow cylinder, and the rotating rod is rotatably connected to the partition and the conveying chamber via two bearings respectively.

[0014] Furthermore, the discharge hole is located at the bottom of the collecting hopper, the two discharge troughs are connected, and the discharge troughs are located at the top of the partition.

[0015] Furthermore, the drive assembly includes a sealing plate placed inside the left discharge chute. A mounting groove is provided on the bottom surface of the base plate, and a second motor is fixedly installed inside the mounting groove. The drive rod passes through the mixing chamber and extends into the mounting groove. The output shaft of the second motor is fixedly connected to the drive rod. Connecting grooves are provided on opposite sides of the mixing chamber and the base plate. The sealing plate extends into the top connecting groove, and a rubber ring is fixedly connected to the top connecting groove. The sealing plate passes through the rubber ring. A mounting plate is fixedly connected inside the mounting groove. An electric push rod is fixedly installed on the top surface of the mounting plate. The output end of the electric push rod is fixedly connected to the sealing plate. A wire through hole is provided on the back of both the base plate and the back of the conveying chamber.

[0016] Furthermore, the two connecting grooves are connected, the discharge groove on the left side is connected to the top connecting groove, and the rubber ring and the sealing plate are in contact.

[0017] Furthermore, the drive rod is rotatably connected to the mixing chamber and the mounting slot via two bearings, respectively.

[0018] Compared with the prior art, the present invention provides a mixing and feeding device for injection molding machines, which has the following beneficial effects:

[0019] 1. This injection molding machine mixing and feeding device uses a drive rod to rotate the connecting plate, which in turn rotates the two feeding hoppers, minimizing the accumulation of raw materials and improving uniformity and mixing effect. The connecting rod and mounting rod facilitate the stirring of raw materials, improving mixing efficiency. At the same time, the spiral blades move the raw materials, making it convenient to feed them and easy for operators to use.

[0020] 2. This injection molding machine's mixing and feeding device conveniently seals the discharge chute through the action of the sealing plate, and moves the sealing plate along the cabinet through the action of the electric push rod, making it convenient for operators to operate. At the same time, the connecting groove is sealed through the action of the rubber ring, improving the sealing performance and making it more convenient and practical. Attached Figure Description

[0021] Figure 1 This is a three-dimensional view of the structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0023] Figure 3 This utility model Figure 2 A magnified schematic diagram of the structure of A in the middle.

[0024] In the diagram: 1. Base plate, 2. Mixing bin, 3. Feed pipe, 4. Feed hopper, 5. Connecting plate, 6. Conveying bin, 7. Collecting hopper, 8. Discharge pipe, 9. Connecting rod, 10. Mounting rod, 11. Drive rod, 12. Rotating rod, 13. Discharge hole, 14. Spiral blade, 15. Discharge trough, 16. Partition plate, 17. First motor, 18. Mounting plate, 19. Electric push rod, 20. Threading hole, 21. Second motor, 22. Mounting groove, 23. Connecting groove, 24. Rubber ring, 25. Sealing plate. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1 to 3 The injection molding machine mixing and feeding device in this embodiment includes a base plate 1, a mixing chamber 2 fixedly connected to the top surface of the base plate 1, a conveying chamber 6 fixedly connected between the mixing chamber 2 and the right side of the base plate 1, and a mixing component for mixing raw materials on the mixing chamber 2.

[0027] The mixing chamber 2 includes a connecting plate 5. One end of the connecting plate 5 is rotatably connected to the top surface of the mixing chamber 2 via a bearing, and the other end passes through the mixing chamber 2 and extends into its interior. A feeding hopper 4 is placed on the top of the connecting plate 5. A feeding pipe 3 is fixedly connected to the interior of each of the two feeding hoppers 4, with one end passing through the connecting plate 5 and extending into the interior of the mixing chamber 2. A drive rod 11 with one end extending into the interior of the mixing chamber 2 is fixedly connected to the bottom surface of the connecting plate 5. A number of connecting rods 9 are fixedly connected to the left and right sides of the drive rod 11, and a number of mounting rods 10 are fixedly connected to the bottom surface of the multiple connecting rods 9.

[0028] The mixing chamber 2 is a hollow cylinder, and multiple connecting rods 9 and multiple mounting rods 10 are located inside the mixing chamber 2.

[0029] Specifically, the raw material enters the interior of the feed hopper 4, the drive rod 11 rotates, and in turn the connecting plate 5, the connecting rod 9 and the mounting rod 10 rotate. The rotation of the connecting plate 5 adjusts the position of the two feed pipes 3, so that the raw material enters the interior of the mixing chamber 2 from different directions. The connecting rod 9 and the mounting rod 10 agitate the raw material and mix it.

[0030] It should be noted that solenoid valves are fixedly installed on the outer periphery of both feed pipes 3 to control the discharge of raw materials. The solenoid valves are conventional devices known to the public in the prior art, and their specific structure and working principle will not be described in detail in this article.

[0031] Please see Figures 1 to 3In this embodiment, the conveying chamber 6 is equipped with a conveying assembly for conveying raw materials. The conveying assembly includes a partition 16, which is fixedly connected inside the conveying chamber 6. A first motor 17 is fixedly installed on the bottom surface of the partition 16. The conveying shaft of the first motor 17 is fixedly connected to a rotating rod 12 that passes through the partition 16 and extends to the top wall of the conveying chamber 6. A spiral blade 14 is fixedly fitted on the outer peripheral wall of the rotating rod 12. A discharge hole 13 is opened on the right side of the conveying chamber 6. A collection hopper 7 is fixedly connected to the right side of the conveying chamber 6. A discharge pipe 8 that passes through the collection hopper 7 and extends to its bottom is fixedly connected to the inner bottom wall of the collection hopper 7. A discharge chute 15 is opened on the opposite side of the mixing chamber 2 and the conveying chamber 6.

[0032] The conveying chamber 6 is a hollow cylinder. The rotating rod 12 is rotatably connected to the partition 16 and the conveying chamber 6 through two bearings. The discharge hole 13 is located at the bottom of the collecting hopper 7. The two discharge troughs 15 are connected and are located at the top of the partition 16.

[0033] Specifically, the first motor 17 is started, and the output shaft of the first motor 17 drives the rotating rod 12 to rotate, causing the spiral blades 14 to rotate. The raw material is conveyed by the discharge trough 15 and enters the interior of the conveying chamber 6. Under the action of the spiral blades 14, the raw material is driven to move upward. The raw material passes through the discharge hole 13 and enters the interior of the collection hopper 7. The raw material is discharged by the discharge pipe 8, and then the raw material is fed.

[0034] Please see Figures 1 to 3 In this embodiment, the base plate 1 is provided with a drive assembly for driving the drive rod 11 to rotate. The drive assembly includes a sealing plate 25, which is placed inside the left discharge chute 15. The bottom surface of the base plate 1 is provided with a mounting groove 22, and a second motor 21 is fixedly installed inside the mounting groove 22. The drive rod 11 passes through the mixing chamber 2 and extends into the mounting groove 22. The output shaft of the second motor 21 is fixedly connected to the drive rod 11. The mixing chamber 2 and the opposite side of the base plate 1 are provided with a connecting groove 23. The sealing plate 25 extends into the top connecting groove 23. A rubber ring 24 is fixedly connected to the top connecting groove 23. The sealing plate 25 passes through the rubber ring 24. The mounting groove 22 is fixedly connected with a mounting plate 18. An electric push rod 19 is fixedly installed on the top surface of the mounting plate 18. The output end of the electric push rod 19 is fixedly connected to the sealing plate 25. The back of the base plate 1 and the back of the conveying chamber 6 are provided with wire holes 20.

[0035] Among them, the two connecting grooves 23 are connected, the discharge groove 15 on the left side is connected to the top connecting groove 23, the rubber ring 24 and the sealing plate 25 are attached, and the drive rod 11 is rotatably connected to the mixing chamber 2 and the mounting groove 22 respectively through two bearings.

[0036] Specifically, the electric push rod 19 is started, and the output end of the electric push rod 19 drives the sealing plate 25 to move downward, so that the sealing plate 25 is separated from the discharge trough 15. Under the action of the rubber ring 24, the raw material is prevented from entering the interior of the connecting trough 23 as much as possible. The second motor 21 is started, and the output shaft of the second motor 21 drives the drive rod 11 to rotate.

[0037] It should be noted that the electric actuator 19 is a conventional device known to the public in the prior art, and its specific structure and working principle will not be described in detail in this article.

[0038] The working principle of the above embodiments is as follows:

[0039] Raw materials enter the feed hopper 4. The second motor 21 is started, and the output shaft of the second motor 21 drives the drive rod 11 to rotate, which in turn causes the connecting plate 5, connecting rod 9, and mounting rod 10 to rotate. The rotation of the connecting plate 5 causes the raw materials to enter the mixing chamber 2 from different directions. The connecting rod 9 and mounting rod 10 agitate and mix the raw materials. After mixing, the electric push rod 19 is started. The output end of the electric push rod 19 drives the sealing plate 25 to move downward, causing the sealing plate 25 to disengage from the discharge trough 15. The first motor 17 is started, and the output shaft of the first motor 17 drives the rotating rod 12 to rotate, causing the spiral blades 14 to rotate. The raw materials are conveyed through the discharge trough 15 and enter the conveying chamber 6. Under the action of the spiral blades 14, the raw materials are moved upward and pass through the discharge hole 13 into the collection hopper 7. The raw materials are then conveyed through the discharge pipe 8 for feeding.

[0040] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods. Any method that can achieve its beneficial effect can be implemented. In addition, the electrical components in this embodiment are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device such as a computer that plays a control role. Those skilled in the art can control the electrical components through simple programming. Moreover, the existing disclosed power connection technology is also common knowledge in the field. Therefore, the specific structural composition and working principle will not be described in detail in this embodiment.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An injection molding machine mixing and feeding device comprising a base plate (1), characterized in that: A mixing chamber (2) is fixedly connected to the top surface of the base plate (1), and a conveying chamber (6) is fixedly connected between the mixing chamber (2) and the right side of the base plate (1). A mixing component for mixing raw materials is provided on the mixing chamber (2). The mixing chamber (2) includes a connecting plate (5). One end of the connecting plate (5) is rotatably connected to the top surface of the mixing chamber (2) via a bearing, and the other end of the connecting plate (5) passes through the mixing chamber (2) and extends into its interior. A feeding hopper (4) is placed on the top of the connecting plate (5). A feeding pipe (3) with one end passing through the connecting plate (5) and extending into the mixing chamber (2) is fixedly connected to the interior of each of the two feeding hoppers (4). A driving rod (11) with one end extending into the mixing chamber (2) is fixedly connected to the bottom surface of the connecting plate (5). A number of connecting rods (9) are fixedly connected to the left and right sides of the driving rod (11). A number of mounting rods (10) are fixedly connected to the bottom surface of each of the multiple connecting rods (9). The conveying bin (6) is provided with a conveying assembly for conveying raw materials, and the base plate (1) is provided with a driving assembly for driving the drive rod (11) to rotate.

2. The injection molding machine mixing and feeding apparatus of claim 1, wherein: The mixing chamber (2) is a hollow cylinder, and the multiple connecting rods (9) and multiple mounting rods (10) are located inside the mixing chamber (2).

3. The injection molding machine mixing and feeding apparatus of claim 1 wherein: The conveying assembly includes a partition (16), which is fixedly connected inside the conveying chamber (6). A first motor (17) is fixedly installed on the bottom surface of the partition (16). The conveying shaft of the first motor (17) is fixedly connected to a rotating rod (12) that passes through the partition (16) and extends to the top wall of the conveying chamber (6). A spiral blade (14) is fixedly fitted on the outer peripheral wall of the rotating rod (12). A discharge hole (13) is opened on the right side of the conveying chamber (6). A collection hopper (7) is fixedly connected to the right side of the conveying chamber (6). A discharge pipe (8) that passes through the collection hopper (7) and extends to its bottom is fixedly connected to the inner bottom wall of the collection hopper (7). A discharge trough (15) is opened on the opposite side of the mixing chamber (2) and the conveying chamber (6).

4. The injection molding machine mixing and feeding apparatus of claim 3, wherein: The conveying chamber (6) is a hollow cylinder, and the rotating rod (12) is rotatably connected to the partition plate (16) and the conveying chamber (6) through two bearings respectively.

5. The injection molding machine mixing and feeding apparatus of claim 3, wherein: The discharge hole (13) is located at the bottom of the collection hopper (7), and the two discharge troughs (15) are connected. The discharge troughs (15) are located at the top of the partition (16).

6. The injection molding machine mixing and feeding apparatus of claim 3, wherein: The drive assembly includes a sealing plate (25) placed inside the left discharge chute (15). A mounting groove (22) is provided on the bottom surface of the base plate (1). A second motor (21) is fixedly installed inside the mounting groove (22). A drive rod (11) passes through the mixing chamber (2) and extends into the mounting groove (22). The output shaft of the second motor (21) is fixedly connected to the drive rod (11). Connecting grooves (23) are provided on opposite sides of the mixing chamber (2) and the base plate (1). The sealing plate (25) extends into the interior of the top connecting groove (23). A rubber ring (24) is fixedly connected to the top connecting groove (23). The sealing plate (25) passes through the rubber ring (24). An mounting plate (18) is fixedly connected inside the mounting groove (22). An electric push rod (19) is fixedly installed on the top surface of the mounting plate (18). The output end of the electric push rod (19) is fixedly connected to the sealing plate (25). A wire hole (20) is provided on the back of the bottom plate (1) and the back of the conveying chamber (6).

7. The injection molding machine mixing and feeding apparatus of claim 6, wherein: The two connecting grooves (23) are connected, the discharge groove (15) on the left side is connected to the top connecting groove (23), and the rubber ring (24) and the sealing plate (25) are in contact.

8. The injection molding machine mixing and feeding apparatus of claim 6, wherein: The drive rod (11) is rotatably connected to the mixing chamber (2) and the mounting groove (22) respectively via two bearings.