Raw material mixing device for plastic products

The plastic material mixing apparatus addresses inefficiencies in uniform blending by using a motor-driven, gear-operated system with air injection and mechanical stirring to enhance mixing speed and uniformity.

CN120307492AInactive Publication Date: 2025-07-15JINGGANGSHAN UNIVERSITY
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Patent Information

Application Number
CN202510799350.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-16
Publication Date
2025-07-15
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing plastic raw material mixing device cannot achieve uniform mixing of multiple raw materials, resulting in an increase in mixing time and affecting the plastic processing efficiency.

Method used

A plastic product raw material mixing device including a mixing cylinder, an exhaust chamber, a driving mechanism and a transmission mechanism is designed. By rotating the cylinder, the movable cylinder and the fixed frame are driven up and down, combined with the rotation of the agitator paddle, air is passed through the coupling between the sealing plate and the exhaust chamber to achieve rapid and uniform mixing of raw materials.

Benefits of technology

The mixing speed of plastic raw materials is accelerated, making the raw materials more evenly mixed, and improving the efficiency of plastic processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a raw material mixing device for plastic products, and relates to the field of plastic processing equipment.The raw material mixing device comprises a protection box, a partition plate and a fixing frame are arranged in the protection box, a sliding groove is formed in the fixing frame, a plurality of sets of storage boxes are arranged in the fixing frame, and screening nets are arranged in the storage boxes; a movable pin and a fixed pin are arranged outside the storage box, a guide frame is arranged on the outer side wall of the fixed frame, a guide groove is formed in the guide frame, a plurality of fixed teeth are arranged in the guide groove, a mixing barrel is arranged on the partition plate, a fixed barrel is arranged in the center of the interior of the mixing barrel, and a movable barrel is arranged outside the fixed barrel in a sliding mode; a rotating rod and a transmission rod mix raw materials by driving a stirring paddle to rotate, a sealing plate introduces air into the mixing barrel by matching with an exhaust cavity, the air blows the raw materials and additives in the mixing barrel, and the mixing speed of the plastic raw materials is increased.
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Description

Technical Field

[0001] The present invention relates to the field of plastic processing equipment, and specifically to a raw material mixing device for plastic products. Background Art

[0002] Plastic products are a general term for daily necessities, industrial products, etc. processed mainly with plastics, including products of all processes such as injection molding and thermoforming with plastics as raw materials. Plastics are high-molecular compounds polymerized from monomers through addition polymerization or polycondensation reactions, which can freely change their components and physical forms, and are composed of synthetic resins and additives such as fillers, plasticizers, stabilizers, lubricants, and colorants. Plastic processing generally includes plastic batching, molding, machining, joining, finishing, and assembly, etc.

[0003] When conducting plastic processing, it is necessary to shape plastic raw materials into the required shapes through heating, pressure, etc. Before the raw materials are melted and injected into the mold, it is necessary to mix the raw materials with additives such as plasticizers and stabilizers. Existing mixing devices cannot evenly mix multiple raw materials, increasing the mixing time and affecting the processing efficiency of plastics. Summary of the Invention

[0004] The purpose of the present invention is to provide a raw material mixing device for plastic products to solve the problem of inconvenient use of existing raw material mixing devices.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A raw material mixing device for plastic products, including a protective box, further including:

[0007] A mixing cylinder. Inside the protective box, there are partition plates and fixing frames. The fixing frame is provided with sliding grooves. Inside the fixing frame, there are multiple storage boxes. Inside the storage box, there is a screening net. Outside the storage box, there are movable pins and fixed pins. On the outer side wall of the fixing frame, there is a guiding frame. The guiding frame is provided with guiding grooves. Inside the guiding grooves, there are multiple fixing teeth. On the partition plate, there is a mixing cylinder. At the central position inside the mixing cylinder, there is a fixed cylinder. Outside the fixed cylinder, there is a movable cylinder sliding. Outside the movable cylinder, there is a fixed frame. Inside the fixed frame, there are rotating rods and transmission rods. Stirring paddles are arranged on both the rotating rods and the transmission rods;

[0008] An exhaust cavity. Inside the protective box, there is a rotating cylinder. The top of the rotating cylinder passes through the fixed cylinder and is provided with a guiding disc. At the bottom of the guiding disc, there is a screening disc. Inside the movable cylinder, there is an exhaust cavity. At the top of the fixed cylinder, there is a fixed disc. On the fixed disc, there is a sleeve. At the bottom of the sleeve, there is a vertical rod. Inside the exhaust cavity, there is a sealing plate sliding. The bottom end of the vertical rod passes through the sealing plate and is provided with a baffle;

[0009] A driving mechanism, which is connected to the rotating cylinder;

[0010] A transmission mechanism is arranged between the rotating cylinder and the rotating rod. The driving mechanism drives the rotating cylinder to rotate, the rotating cylinder drives the movable cylinder and the fixed frame to move up and down, the raw materials slide into the mixing cylinder from the inside of the storage box, the transmission mechanism drives the rotating rod to rotate, and the rotating rod and the transmission rod drive the stirring paddle to rotate to mix the raw materials. The air is introduced into the mixing cylinder by the sealing plate in cooperation with the exhaust cavity.

[0011] On the basis of the above technical solution, the present invention also provides the following optional technical solutions:

[0012] In an optional solution: the driving mechanism includes a motor, a driven gear and a driving gear. The motor is arranged inside the protective box, the rotating end of the motor is provided with the driving gear, the driven gear is arranged outside the rotating cylinder, and the driving gear is meshed with the driven gear.

[0013] In an optional solution: the transmission mechanism includes a rotating plate and a connecting plate. A plurality of driving rods are rotatably arranged outside the fixed cylinder. The rotating plate and the first gear are fixedly arranged on the driving rod. One end of the connecting plate is fixedly provided with a fixed rod. The fixed rod is rotatably connected to the rotating plate. The second gear is fixedly arranged on the fixed rod. The second gear is meshed with the first gear. The other end of the connecting plate is fixedly connected to the rotating rod.

[0014] In an optional solution: a third gear is arranged outside the rotating cylinder. One end of each of the plurality of driving rods passes through the fixed cylinder and is provided with a fourth gear. The fourth gear is meshed with the third gear.

[0015] In an optional solution: an installation block is arranged on the fixed frame. A lead screw is arranged between the two installation blocks. A transmission frame is slidably arranged outside the fixed frame. A transmission groove is formed on the transmission frame. The movable pin penetrates into the transmission groove and is slidably matched with it.

[0016] In an optional solution: a nut matched with the lead screw is arranged on the transmission frame. A power component is arranged on the installation block. The rotating end of the power component is connected to the lead screw.

[0017] In an optional solution: a gear set is arranged between the rotating rod and the transmission rod. A protective cover is arranged outside the fixed frame. The gear set is arranged inside the protective cover.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] The raw material mixing device for plastic products drives the rotating cylinder to rotate through the driving mechanism. The rotating cylinder drives the movable cylinder and the fixed frame to move up and down. The raw materials slide into the mixing cylinder from the inside of the storage box. The transmission mechanism drives the rotating rod to rotate. The rotating rod and the transmission rod mix the raw materials by driving the stirring paddle to rotate. The sealing plate allows air to enter the mixing cylinder in a manner that cooperates with the exhaust cavity. The air blows the raw materials and additives inside the mixing cylinder, accelerating the mixing speed of the plastic raw materials and making the mixing of the raw materials more uniform. Description of the Drawings

[0020] Figure 1 It is a schematic structural diagram of the raw material mixing device for plastic products.

[0021] Figure 2 It is a schematic structural diagram of the fixed frame in the raw material mixing device for plastic products.

[0022] Figure 3 It is a sectional view of the fixed frame in the raw material mixing device for plastic products.

[0023] Figure 4 It is a sectional view of the mixing cylinder in the raw material mixing device for plastic products.

[0024] Figure 5 It is a schematic structural diagram of the movable cylinder in the raw material mixing device for plastic products.

[0025] Figure 6 It is a sectional view of the movable cylinder in the raw material mixing device for plastic products.

[0026] Figure 7 It is a schematic structural diagram of the baffle in the raw material mixing device for plastic products.

[0027] Figure 8 It is a sectional view of the fixed cylinder in the raw material mixing device for plastic products.

[0028] Figure 9 It is a schematic structural diagram of the rotating plate in the raw material mixing device for plastic products.

[0029] Figure 10 It is a schematic structural diagram of the fixed frame in the raw material mixing device for plastic products.

[0030] Figure 11 It is a schematic structural diagram of the exhaust cavity in the raw material mixing device for plastic products.

[0031] Annotation of reference numerals: 1 - protective box, 2 - cabinet door, 3 - observation window, 4 - fixing rack, 401 - sliding groove, 5 - handle, 6 - storage box, 601 - screening mesh, 7 - transmission rack, 701 - transmission groove, 8 - movable pin, 9 - mounting block, 10 - lead screw, 11 - nut, 12 - power component, 13 - pull handle, 14 - guiding rack, 141 - guiding groove, 15 - fixed tooth, 16 - fixing pin, 17 - mixing cylinder, 18 - screening disc, 19 - guiding disc, 20 - fixed cylinder, 21 - movable cylinder, 211 - exhaust cavity, 22 - partition board, 23 - fixed frame, 24 - motor, 25 - driving gear, 26 - rotating cylinder, 27 - driven gear, 28 - discharge pipe, 29 - vertical rod, 291 - sealing plate, 292 - baffle plate, 30 - fixed disc, 31 - sleeve, 32 - stirring paddle, 33 - transmission rod, 34 - gear set, 35 - first gear, 36 - rotating plate, 37 - driving rod, 371 - fourth gear, 38 - third gear, 39 - connecting plate, 391 - fixing rod, 392 - second gear, 40 - rotating rod, 41 - protective cover. Detailed implementation manners

[0032] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0033] The following describes in detail the specific implementation of the present invention with reference to specific embodiments.

[0034] As Figures 1-11 shown, a raw material mixing device for plastic products provided by an embodiment of the present invention includes a protective box 1, and further includes:

[0035] Mixing cylinder 17, a partition plate 22 and a fixing frame 4 are arranged inside the protective box 1, a cabinet door 2 is arranged outside the protective box 1, an observation window 3 and a handle 5 are arranged on the cabinet door 2, a plurality of sliding grooves 401 are formed on the fixing frame 4, a plurality of storage boxes 6 are arranged inside the fixing frame 4, a handle 13 is arranged on the storage box 6, a screening net 601 is arranged inside the storage box 6, a movable pin 8 and a fixing pin 16 are arranged outside the storage box 6, the movable pin 8 slides along the sliding groove 401, so that the storage box 6 slides along the fixing frame 4 to convey raw materials into the protective box 1, a guiding frame 14 is obliquely arranged on the outer side wall of the fixing frame 4, a guiding groove 141 is formed on the guiding frame 14, a plurality of fixing teeth 15 are arranged inside the guiding groove 141, when the storage box 6 slides into the protective box 1, the fixing pin 16 slides into the guiding groove 141, and the storage box 6 inclines downwards, facilitating the raw materials to pass through the screening net 601 and enter the mixing cylinder 17, the fixing pin 16 moves along the fixing teeth 15 and drives the storage box 6 to vibrate up and down, accelerating the screening speed of the raw materials and preventing the raw materials from adhering to the inside of the storage box 6, a mixing cylinder 17 and a discharge pipe 28 are arranged on the partition plate 22, a fixed cylinder 20 is arranged at the central position inside the mixing cylinder 17, the fixed cylinder 20 is fixedly installed, a movable cylinder 21 is slidably arranged outside the fixed cylinder 20, the movable cylinder 21 can only slide up and down, a fixed frame 23 is horizontally arranged outside the movable cylinder 21, a rotating rod 40 and a transmission rod 33 are arranged inside the fixed frame 23, one end of the transmission rod 33 penetrates into the movable cylinder 21, the fixed frame 23 is always in a horizontal position, the movable cylinder 21 can drive the fixed frame 23 to move up and down, the transmission rod 33 is a hollow pipe and is communicated with the inside of an exhaust cavity 211, a plurality of through holes are formed on the transmission rod 33, when the movable cylinder 21 slides upwards along the fixed cylinder 20, the sealing plate 291 cannot move up and down, the space between the sealing plate 291 and the exhaust cavity 211 gradually becomes smaller, so that the air inside the exhaust cavity 211 is discharged from the through holes on the transmission rod 33 to blow the mixed raw materials inside the mixing cylinder 17 and accelerate the mixing speed of the raw materials;

[0036] The rotating rod 40 and the transmission rod 33 are both provided with stirring paddles 32. A rotating cylinder 26 is rotatably arranged inside the protective box 1. The top end of the rotating cylinder 26 passes through the fixed cylinder 20 and is provided with a guide disk 19. A screening disk 18 is arranged at the bottom of the guide disk 19. The rotating cylinder 26 drives the guide disk 19 to rotate. The guide disk 19 guides the falling raw materials to ensure that the materials fall into the mixing cylinder 17. An exhaust cavity 211 is arranged inside the movable cylinder 21. A fixed disk 30 is arranged at the top of the fixed cylinder 20. A sleeve 31 is vertically arranged on the fixed disk 30. A vertical rod 29 is arranged at the bottom of the sleeve 31. The sleeve 31 is an air inlet pipe, and the vertical rod 29 is a hollow pipe. A sealing plate 291 is slidably arranged inside the exhaust cavity 211. The bottom end of the vertical rod 29 passes through the sealing plate 291 and is rotatably provided with a baffle 292. The sealing plate 291 cannot move up and down. When the movable cylinder 21 rises, air is discharged from the through hole on the transmission rod 33. At this time, the air presses the baffle 292 to turn upwards, and the vertical rod 29 is closed. When the movable cylinder 21 descends, air is inhaled from the air inlet pipe and the vertical rod 29, and the baffle 292 turns downwards and opens;

[0037] A driving mechanism, connected to the rotating cylinder 26;

[0038] A transmission mechanism is arranged between the rotating cylinder 26 and the rotating rod 40. The driving mechanism drives the rotating cylinder 26 to rotate. The rotating cylinder 26 drives the movable cylinder 21 and the fixed frame 23 to move up and down. The raw materials slide from the storage box 6 into the mixing cylinder 17. The transmission mechanism drives the rotating rod 40 to rotate. The rotating rod 40 and the transmission rod 33 mix the raw materials by driving the stirring paddles 32 to rotate. The sealing plate 291 passes air into the mixing cylinder 17 by cooperating with the exhaust cavity 211.

[0039] As Figures 1-5 shown, as a preferred embodiment of the present invention, the driving mechanism includes a motor 24, a driven gear 27 and a driving gear 25. The motor 24 is arranged inside the protective box 1. The rotating end of the motor 24 is provided with the driving gear 25. The driven gear 27 is arranged outside the rotating cylinder 26. The driving gear 25 meshes with the driven gear 27, and the motor 24 drives the rotating cylinder 26 to rotate.

[0040] As Figures 1-10As shown, as a preferred embodiment of the present invention, the transmission mechanism includes a rotating plate 36 and a connecting plate 39. A plurality of driving rods 37 are rotatably arranged outside the fixed cylinder 20. A rotating plate 36 and a first gear 35 are fixedly arranged on the driving rod 37. One end of the connecting plate 39 is fixedly provided with a fixed rod 391. The fixed rod 391 is rotatably connected to the rotating plate 36. A second gear 392 is fixedly arranged on the fixed rod 391. The second gear 392 meshes with the first gear 35. The other end of the connecting plate 39 is fixedly connected to a rotating rod 40. The driving rod 37 drives the rotating plate 36 to rotate. As Figures 9-10 shown, the rotating plate 36 drives the connecting plate 39 to rotate. Since the fixed frame 23 is fixedly arranged outside the movable cylinder 21, the connecting plate 39 drives the fixed frame 23 to move up and down. The fixed frame 23 drives the movable cylinder 21 to move up and down. The connecting plate 39 also drives the rotating rod 40 to rotate. Every time the fixed frame 23 moves up and down once, the rotating rod 40 rotates one circle. The rotating rod 40 drives the transmission rod 33 to rotate through a gear set 41.

[0041] As Figures 1-10 shown, as a preferred embodiment of the present invention, a third gear 38 is arranged outside the rotating cylinder 26. One end of each of the plurality of driving rods 37 passes through the fixed cylinder 20 and is provided with a fourth gear 371. The fourth gear 371 meshes with the third gear 37. The rotating cylinder 26 rotates and drives the plurality of driving rods 37 to rotate.

[0042] As Figures 1-4 shown, as a preferred embodiment of the present invention, an installation block 9 is arranged on the fixed frame 4. A lead screw 10 is rotatably arranged between the two installation blocks 9. A transmission frame 7 is slidably arranged outside the fixed frame 4. A transmission groove 701 is formed on the transmission frame 7. The movable pin 8 penetrates into the transmission groove 701 and is slidably matched with it. The lead screw 10 rotates and drives the transmission frame 7 to slide left and right.

[0043] As Figures 1-4 shown, as a preferred embodiment of the present invention, a nut 11 matching the lead screw 10 is arranged on the transmission frame 7. A power member 12 is arranged on the installation block 9. The rotating end of the power member 12 is connected to the lead screw 10. The power member 12 drives the lead screw 10 to rotate.

[0044] As Figures 8-11 shown, as a preferred embodiment of the present invention, a gear set 34 is arranged between the rotating rod 40 and the transmission rod 33. A protective cover 41 is arranged outside the fixed frame 23. The gear set 34 is arranged inside the protective cover 41.

[0045] In the above embodiments of the present invention, a raw material mixing device for plastic products is provided. A variety of raw materials for plastic processing are sequentially placed inside different storage boxes 6. When raw material mixing is required, the lead screw 10 is driven to rotate by the power member 12. The lead screw 10 drives the transmission frame 7 to slide to the right. The transmission frame 7 drives the storage box 6 to slide into the protection box 1. The storage box 6 tilts downward, and the raw materials pass through the screening net 601 and fall into the mixing cylinder 17. The motor 24 drives the rotating cylinder 26 to rotate. The rotating cylinder 26 drives a plurality of drive rods 37 to rotate. The drive rods 37 drive the rotating plate 36 to rotate. The connecting plate 39 drives the movable cylinder 21 and the fixed frame 23 to move up and down. The connecting plate 39 simultaneously drives the rotating rod 40 to rotate. The rotating rod 40 drives the transmission rod 33 to rotate through the gear set 41. The movable cylinder 21 descends and extrudes the raw materials outward in all directions. The rotating rod 40 and the transmission rod 33 mix the raw materials by driving the stirring paddle 32 to rotate, accelerating the mixing speed of the raw materials.

[0046] As mentioned above, the above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present disclosure can easily think of changes or substitutions, which should all be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A raw material mixing device for plastic products, comprising a protective box, characterized in that, Further comprising: A mixing cylinder, a partition plate and a fixing frame are arranged inside the protection box. A sliding groove is formed in the fixing frame. A plurality of storage boxes are arranged inside the fixing frame. A screening net is arranged inside the storage box. A movable pin and a fixing pin are arranged outside the storage box. A guiding frame is arranged on the outer side wall of the fixing frame. A guiding groove is formed in the guiding frame. A plurality of fixing teeth are arranged inside the guiding groove. A mixing cylinder is arranged on the partition plate. A fixing cylinder is arranged at the central position inside the mixing cylinder. A movable cylinder is slidably arranged outside the fixing cylinder. A fixing frame is arranged outside the movable cylinder. A rotating rod and a transmission rod are arranged inside the fixing frame. Stirring paddles are arranged on both the rotating rod and the transmission rod; An exhaust cavity, a rotating cylinder is arranged inside the protection box. The top end of the rotating cylinder penetrates through the fixing cylinder and is provided with a guiding disc. A screening disc is arranged at the bottom of the guiding disc. An exhaust cavity is arranged inside the movable cylinder. A fixing disc is arranged at the top of the fixing cylinder. A sleeve is arranged on the fixing disc. A vertical rod is arranged at the bottom of the sleeve. A sealing plate is slidably arranged inside the exhaust cavity. The bottom end of the vertical rod passes through the sealing plate and is provided with a baffle; A driving mechanism, connected to the rotating cylinder; A transmission mechanism, arranged between the rotating cylinder and the rotating rod. The driving mechanism drives the rotating cylinder to rotate. The rotating cylinder drives the movable cylinder and the fixing frame to move up and down. The raw materials slide into the mixing cylinder from inside the storage box. The transmission mechanism drives the rotating rod to rotate. The rotating rod and the transmission rod mix the raw materials by driving the stirring paddles to rotate. The sealing plate allows air to enter the mixing cylinder by cooperating with the exhaust cavity.

2. The raw material mixing device for plastic products according to claim 1, characterized in that The driving mechanism includes a motor, a driven gear and a driving gear. A motor is arranged inside the protection box. The rotating end of the motor is provided with the driving gear. A driven gear is arranged outside the rotating cylinder. The driving gear is meshed with the driven gear.

3. The raw material mixing device for plastic products according to claim 2, characterized in that The transmission mechanism includes a rotating plate and a connecting plate. A plurality of driving rods are rotatably arranged outside the fixing cylinder. A rotating plate and a first gear are fixedly arranged on the driving rod. One end of the connecting plate is fixedly provided with a fixing rod. The fixing rod is rotatably connected with the rotating plate. A second gear is fixedly arranged on the fixing rod. The second gear is meshed with the first gear. The other end of the connecting plate is fixedly connected with the rotating rod.

4. The raw material mixing device for plastic products according to claim 3, wherein A third gear is arranged outside the rotating cylinder. One end of each of the plurality of driving rods passes through the fixing cylinder and is provided with a fourth gear. The fourth gear is meshed with the third gear.

5. The raw material mixing device for plastic products according to claim 1, characterized in that, An installation block is arranged on the fixing frame. A lead screw is arranged between the two installation blocks. A transmission frame is slidably arranged outside the fixing frame. A transmission groove is formed in the transmission frame. The movable pin penetrates into the transmission groove and is slidably matched with it.

6. The raw material mixing device for plastic products according to claim 5, characterized in that A nut matched with the lead screw is arranged on the transmission frame. A power component is arranged on the installation block. The rotating end of the power component is connected with the lead screw.

7. The raw material mixing device for plastic products according to claim 1, characterized in that A gear set is arranged between the rotating rod and the transmission rod. A protective cover is arranged outside the fixing frame. The gear set is arranged inside the protective cover.