Plastic particle stirring device for plastic product production

By combining the design of a drive rod to synchronously swing the deflector blades with a bevel gear transmission, the problem of uneven heating of plastic granules is solved, achieving uniform drying and thorough mixing, thus improving the production efficiency and quality of plastic products.

CN224224237UActive Publication Date: 2026-05-12ZHEJIANG HENGMEI NEW MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG HENGMEI NEW MATERIALS CO LTD
Filing Date
2026-04-16
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

In the production of plastic products, the hot air blown directly from the heating module causes uneven heating of plastic particles, which easily leads to clumping and affects the mixing effect and molding quality.

Method used

The drive unit moves the pull rod back and forth, and the pull rod cooperates with the slide groove through the connecting block to drive the wind deflector blades to swing synchronously, so that the hot air blown out by the heating module forms a uniform airflow that covers all areas inside the cabin. Combined with the bevel gear transmission, it drives the filter cartridge to rotate in the opposite direction, forming a strong shearing force to achieve uniform drying and full mixing of plastic particles.

Benefits of technology

This technology enables uniform drying of plastic granules, reduces the probability of granule deformation caused by localized overheating, improves mixing efficiency, simplifies production processes, reduces costs, and enhances product quality stability and purity.

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Abstract

The utility model discloses a plastic particle stirring device for plastic product production, and relates to the technical field of plastic product production. The device comprises a cabin body, the left side of the cabin body is fixedly connected with a feeding pipe, the right side of the cabin body is fixedly connected with a discharging pipe, the bottom of the cabin body is fixedly connected with a slag discharging opening, and the device further comprises a mixing mechanism which is installed on the cabin body. The pull rod is driven by the driving piece and the groove frame to move left and right in a reciprocating mode, the pull rod is matched with the sliding groove through the connecting block to drive the multiple air disturbing blades to swing synchronously, hot airflow blown out by the heating module forms uniform airflow after passing through the swinging air disturbing blades, all areas in the cabin body are covered with the uniform airflow, and uniform drying of plastic particles is achieved. Meanwhile, the swinging airflow can assist in turning over the particles, the mixing effect is improved, the structure does not need to additionally arrange drying equipment, the production process is simplified, the production cost is reduced, and the production efficiency is improved.
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Description

Technical Field

[0001] This utility model belongs to the field of plastic product manufacturing technology, and in particular relates to a plastic granule mixing device for plastic product manufacturing. Background Technology

[0002] In the production of plastic products, the uniformity of plastic particle mixing directly affects the quality stability of the finished product, such as strength and color consistency.

[0003] When mixing plastic granules, they are often dried by a heating module. However, if the hot air generated by the heating module blows directly onto the raw material, it will cause uneven heating and clumping, making it difficult to mix the plastic raw material thoroughly. This will result in a significant reduction in the molding effect of the subsequent product. Therefore, a plastic granule mixing device for plastic product manufacturing is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a plastic granule mixing device for the production of plastic products. A drive unit and a trough frame drive a pull rod to move back and forth. The pull rod, through a connecting block and a sliding groove, drives several deflector blades to swing synchronously. The hot airflow from the heating module passes through the swinging deflector blades, forming a uniform airflow that covers all areas inside the chamber, achieving uniform drying of the plastic granules. This solves the problem that when mixing plastic granules, a heating module is often needed for drying. However, if the hot air from the heating module is directly blown onto the raw material, it can cause uneven heating and clumping, making it difficult to fully mix the plastic raw material and significantly reducing the molding effect of the subsequent product.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a plastic granule mixing device for the production of plastic products, comprising a chamber, a feed pipe fixedly connected to the left side of the chamber, a discharge pipe fixedly connected to the right side of the chamber, a slag discharge port fixedly connected to the bottom of the chamber, and a mixing mechanism mounted on the chamber. The mixing mechanism includes a heating component mounted on the chamber and a mixing component mounted on the chamber. The heating component includes a heating module fixed to the top of the chamber, with the bottom air outlet of the heating module extending into the chamber cavity. Several wind deflectors are connected to the inner side of the heating module via pins. Each wind deflector has a groove at its bottom, and each groove has a connecting block slidably connected to it via pins. A pull rod is fixedly connected to the bottom of each connecting block. The pull rod extends through the chamber to the outside on its left side, and a slot frame is fixedly connected to the left side of the pull rod. A driving component is connected to the slot frame. An opening adapted to the outer surface of the pull rod is provided on the left side of the chamber.

[0007] Furthermore, the stirring assembly includes a second support frame disposed below the feed pipe. The right side of the second support frame is fixedly connected to the left side of the chamber. A second motor is fixedly connected to the left side of the second support frame. A filter cartridge is disposed inside the chamber cavity. A rotating shaft is fixedly connected to the right output end of the second motor via a coupling. The rotating shaft passes through the second support frame and extends into the chamber cavity. The right side of the outer surface of the rotating shaft is rotatably connected to the right side inside the chamber cavity.

[0008] Furthermore, the left and right sides of the filter cartridge are rotatably connected to the left and right sides of the inner wall of the chamber, respectively. A bracket is fixedly connected to the left side of the inner wall of the filter cartridge, and a sleeve is fixedly connected to the center of the bracket. The inner ring of the sleeve is rotatably connected to the outer surface of the rotating shaft, and the outer surface of the sleeve is rotatably connected to the left side of the chamber. There is a gap between the outer ring of the filter cartridge and the inner wall of the chamber, and the internal pore size of the filter cartridge is consistent with the particle size of the plastic raw material.

[0009] Furthermore, a plurality of stirring supports are provided on the right side of the support, the center of the plurality of stirring supports is fixedly connected to the outer surface of the rotating shaft, and the outer side of the plurality of stirring supports is provided with bolt protrusions, the outer ring of the bolt protrusions is fixedly connected to the inner wall of the filter cartridge, and the spiral direction of the bolt protrusions is consistent with the direction of the discharge port of the chamber.

[0010] Furthermore, the sleeve penetrates the cabin and extends into the second cavity of the support frame. A bevel gear one is provided on the left side inside the second support frame. The center of the bevel gear one is fixedly connected to the outer surface of the rotating shaft. A bevel gear two is meshed with the outer surface of the bevel gear one. The center of the bevel gear two is connected to the inner edge of the second support frame two through a pin. A bevel gear three is meshed with the outer surface of the bevel gear two. The center of the bevel gear three is fixedly connected to the outer surface of the sleeve. The bevel gear one and the bevel gear three are arranged symmetrically on the left and right.

[0011] Furthermore, the driving component includes a support frame 1 disposed above the feed pipe. The right side of the support frame 1 is fixedly connected to the left side of the chamber. A motor 1 is fixedly connected to the top of the support frame 1. A turntable is disposed inside the cavity of the support frame 1. A connecting rod is fixedly connected to the eccentric part of the bottom of the turntable. The outer surface of the connecting rod is slidably connected to the inside of the slot frame. The bottom output end of the motor 1 passes through the support frame 1 and is fixedly connected to the top of the turntable through a coupling. The slot frame is arranged in a front-back direction.

[0012] This utility model has the following beneficial effects:

[0013] 1. This utility model uses a drive component and a slot frame to drive the pull rod to move back and forth. The pull rod cooperates with the slide groove through a connecting block, driving several wind deflectors to swing synchronously. The hot airflow blown out by the heating module forms a uniform airflow after passing through the swinging wind deflectors, covering all areas inside the chamber, achieving uniform drying of plastic granules, reducing the probability of granule deformation caused by local overheating. At the same time, the swinging airflow can assist in granule agitation and improve the mixing effect. This structure does not require additional drying equipment, simplifies the production process, reduces production costs, and improves production efficiency.

[0014] 2. This utility model uses the meshing transmission of bevel gear one, bevel gear two and bevel gear three to drive the sleeve and filter cylinder to rotate in the opposite direction. The stirring support and the filter cylinder move in opposite directions to form a strong shearing force. Combined with the spiral pushing action of the bolt protrusion, the plastic particles can be fully mixed during the stirring process and move towards the discharge pipe. The filter cylinder can screen out impurities or particles that are too small in size and discharge them through the slag discharge port, thereby improving the purity of the raw materials. The combination of reverse rotation and spiral pushing reduces the probability of dead corners in stirring and incomplete unloading, reduces particle residue agglomeration, and improves the stability of product quality and the practicality of the equipment.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the cabin of this utility model;

[0019] Figure 3This is a schematic diagram of the overall structure of the wind deflector blade of this utility model;

[0020] Figure 4 This utility model Figure 3 A magnified structural diagram of A in the diagram;

[0021] Figure 5 This is a schematic diagram of the exploded structure of the stirring assembly of this utility model;

[0022] Figure 6 This utility model Figure 5 A magnified structural diagram of B in the diagram.

[0023] The attached diagram lists the components represented by each number as follows:

[0024] 111. Chamber; 112. Feed pipe; 113. Discharge pipe; 114. Slag discharge port; 2. Mixing mechanism; 21. Heating assembly; 211. Heating module; 212. Support frame one; 213. Motor one; 214. Turntable; 215. Wind deflector blades; 216. Slide groove; 217. Tie rod; 218. Connecting block; 219. Slot frame; 210. Connecting rod; 22. Stirring assembly; 221. Support frame two; 222. Motor two; 223. Filter cartridge; 224. Rotating shaft; 225. Stirring bracket; 226. Bevel gear one; 227. Bevel gear two; 228. Bevel gear three; 229. Bolt protrusion; 220. Sleeve; 2211. Bracket. 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 scope of protection of the present utility model.

[0026] Please see Figures 1-6As shown, this utility model is a plastic granule mixing device for the production of plastic products, including a chamber 111, a feed pipe 112 fixedly connected to the left side of the chamber 111, a discharge pipe 113 fixedly connected to the right side of the chamber 111, and a slag discharge port 114 fixedly connected to the bottom of the chamber 111. It also includes a mixing mechanism 2, which is mounted on the chamber 111. The mixing mechanism 2 includes a heating component 21 mounted on the chamber 111 and a mixing component 22 mounted on the chamber 111. The heating component 21 includes a heating module 211 fixed to the top of the chamber 111, with the bottom air outlet of the heating module 211 extending into the cavity of the chamber 111. Several air-dispersing blades 215 are connected to the inner side of the heating module 211 via pins. Each air-dispersing blade 215 has a groove 216 at its bottom, and each groove 216 is slidably connected to a connecting block 2 via a pin. 18. Several connecting blocks 218 are fixedly connected to the bottom of a pull rod 217. The pull rod 217 passes through the chamber 111 on the left and extends to the outside. A slot frame 219 is fixedly connected to the left side of the pull rod 217. A driving component is connected to the slot frame 219. An opening adapted to the outer surface of the pull rod 217 is opened on the left side of the chamber 111. The pull rod 217 is driven to move back and forth left and right through the driving component and the slot frame 219. The pull rod 217 cooperates with the slide 216 through the connecting blocks 218 to drive several deflector blades 215 to swing synchronously. The hot airflow blown out by the heating module 211 forms a uniform airflow after passing through the swinging deflector blades 215, covering all areas inside the chamber 111, realizing uniform drying of plastic granules, reducing the probability of granule deformation caused by local overheating. At the same time, the swinging airflow can assist the granules to turn over and improve the mixing effect. This structure does not require additional drying equipment, simplifies the production process, reduces production costs, and improves production efficiency.

[0027] The stirring assembly 22 includes a second support frame 221 disposed below the feed pipe 112. The right side of the second support frame 221 is fixedly connected to the left side of the chamber 111. A second motor 222 is fixedly connected to the left side of the second support frame 221. A filter cartridge 223 is disposed inside the chamber 111. A rotating shaft 224 is fixedly connected to the right output end of the second motor 222 via a coupling. The rotating shaft 224 passes through the second support frame 221 and extends into the chamber 111. The right side of the outer surface of the rotating shaft 224 is rotatably connected to the right side of the interior of the chamber 111. The left and right sides of the filter cartridge 223 are rotatably connected to the left and right sides of the inner wall of the chamber 111, respectively. The left side of the inner wall of the filter cartridge 223 is fixedly connected to... A support frame 2211 has a sleeve 220 fixedly connected to its center. The inner ring of the sleeve 220 is rotatably connected to the outer surface of the rotating shaft 224, and the outer surface of the sleeve 220 is rotatably connected to the left side of the chamber 111. A gap exists between the outer ring of the filter cartridge 223 and the inner wall of the chamber 111. The internal aperture of the filter cartridge 223 is consistent with the particle size of the plastic raw material. Several stirring supports 225 are arranged on the right side of the support frame 2211. The center of each stirring support 225 is fixedly connected to the outer surface of the rotating shaft 224. Bolt protrusions 229 are provided on the outside of each stirring support 225. The outer ring of the bolt protrusions 229 is fixedly connected to the inner wall of the filter cartridge 223. The spiral direction is consistent with the discharge port direction of the chamber 111. The sleeve 220 penetrates the chamber 111 and extends into the cavity of the second support frame 221. A bevel gear 226 is provided on the left side inside the second support frame 221. The center of the bevel gear 226 is fixedly connected to the outer surface of the rotating shaft 224. A bevel gear 227 is meshed with the outer surface of the bevel gear 226. The center of the bevel gear 227 is connected to the inner edge of the second support frame 221 by a pin. A bevel gear 228 is meshed with the outer surface of the bevel gear 227. The center of the bevel gear 228 is fixedly connected to the outer surface of the sleeve 220. The bevel gears 226 and 228 are symmetrical. The system is configured so that the sleeve 220 and filter cylinder 223 rotate in opposite directions through the meshing transmission of bevel gear 1 226, bevel gear 227 and bevel gear 3 228. The stirring bracket 225 and the filter cylinder 223 move in opposite directions to form a strong shearing force. Combined with the spiral pushing action of the bolt protrusion 229, the plastic particles can be fully mixed during the stirring process and move towards the discharge pipe 113. The filter cylinder 223 can screen out impurities or particles that are too small in size and discharge them through the slag discharge port 114, thereby improving the purity of the raw materials. The combination of reverse rotation and spiral pushing reduces the probability of dead zones in stirring and incomplete unloading, reduces particle residue and agglomeration, and improves the stability of product quality and the practicality of the equipment.

[0028] The driving component includes a support frame 212 located above the feed pipe 112. The right side of the support frame 212 is fixedly connected to the left side of the chamber 111. A motor 213 is fixedly connected to the top of the support frame 212. A turntable 214 is located inside the cavity of the support frame 212. A connecting rod 210 is fixedly connected to the bottom eccentric part of the turntable 214. The outer surface of the connecting rod 210 is slidably connected to the inside of the slot frame 219. The bottom output end of the motor 213 passes through the support frame 212 and is fixedly connected to the top of the turntable 214 through a coupling. The slot frame 219 is arranged in the front-back direction.

[0029] A specific application of this embodiment is as follows: In use, the operator first puts the plastic granule raw material into the chamber 111 through the feed pipe 112. After the raw material enters the filter cylinder 223, the second motor 222 and the heating module 211 are started. The second motor 222 drives the rotating shaft 224 to rotate. The rotating shaft 224 drives the stirring support 225 to rotate, stirring the plastic granules in the filter cylinder 223. On the other hand, through the meshing transmission of the first bevel gear 226 and the second bevel gear 227, it drives the third bevel gear 228 to rotate in the opposite direction. The third bevel gear 228 drives the filter cylinder 223 to rotate in the opposite direction through the sleeve 220 and the support 2211. The reverse movement of the stirring support 225 and the filter cylinder 223 forms a strong shearing force, which makes the plastic granules fully mixed. At the same time, the bolt protrusion 229 rotates with the stirring support 225, pushing the mixed granules towards the discharge pipe 113. Impurities or granules with mismatched particle size are intercepted by the filter cylinder 223 and finally discharged through the slag discharge port 114.

[0030] When the heating module 211 is working, the motor 213 is started. The motor 213 drives the turntable 214 to rotate. The connecting rod 210 at the bottom of the turntable 214 slides in the slot frame 219, causing the slot frame 219 and the pull rod 217 to move back and forth. The pull rod 217 cooperates with the slide 216 through the connecting block 218, driving several wind deflector blades 215 to swing back and forth around the pin shaft. The hot airflow blown out by the heating module 211 forms a uniformly distributed airflow after passing through the swinging wind deflector blades 215, covering all areas inside the chamber 111, drying the plastic particles evenly, avoiding local overheating that could cause particle deformation. At the same time, the swinging airflow can assist in the tumbling of the particles, further improving the mixing uniformity.

[0031] After mixing and drying, the uniformly mixed plastic granules that meet the particle size requirements are discharged through the discharge pipe 113 for subsequent production. The operation is completed by turning off motor 1 213, motor 222 and heating module 211, and cleaning the impurities at the slag discharge port 114.

[0032] It should be noted that the control of motor 1 213, motor 222 and heating module 211 in this application can all be achieved by using a program set in the control panel and inputting relevant parameters as needed for automated control. This control method can be achieved using existing technologies, such as PLC.

[0033] The main body of the heating module 211 is made of high-temperature and corrosion-resistant metal. At the same time, the heating module 211 uses high-efficiency heating wire or PTC heating element to improve service life and heating stability. It can be set according to the amount of plastic granules processed in plastic product production. It is usually suitable for the stirring needs of small and medium-sized plastic granules. The heating temperature can be adjusted from 40℃ to 120℃ to meet the drying needs of various plastic granules. The core function of the heating module 211 is to generate a stable hot airflow to heat and dry the plastic granules in the chamber 111. When the plastic granules enter the chamber 111 through the feed pipe 112, the heating module 211 is activated, the heating element generates heat, and the hot airflow is delivered into the chamber through the bottom air outlet.

[0034] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0035] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the present utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the present utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A plastic granule mixing device for producing plastic products, comprising a chamber (111), wherein a feed pipe (112) is fixedly connected to the left side of the chamber (111), a discharge pipe (113) is fixedly connected to the right side of the chamber (111), and a slag discharge port (114) is fixedly connected to the bottom of the chamber (111), characterized in that, Also includes: A mixing mechanism (2) is mounted on the cabin (111); The mixing mechanism (2) includes a heating assembly (21) which is mounted on the cabin (111); A stirring assembly (22) is mounted on the hull (111); The heating assembly (21) includes a heating module (211) fixed to the top of the cabin (111). The bottom air outlet of the heating module (211) extends into the cavity of the cabin (111). The inner side of the heating module (211) is connected to several wind deflectors (215) by pins. The bottom of each wind deflector (215) is provided with a sliding groove (216). Each sliding groove (216) is slidably connected to a connecting block (218) by pins. The bottom of each connecting block (218) is fixedly connected to a pull rod (217). The pull rod (217) extends through the cabin (111) to the outside on the left side. The pull rod (217) is fixedly connected to a slot frame (219) on the left side. A driving component is connected to the slot frame (219). The left side of the cabin (111) has an opening that matches the outer surface of the tie rod (217).

2. The plastic granule mixing device for producing plastic products according to claim 1, characterized in that, The stirring assembly (22) includes a second support frame (221) located below the feed pipe (112). The right side of the second support frame (221) is fixedly connected to the left side of the chamber (111). A second motor (222) is fixedly connected to the left side of the second support frame (221). A filter cartridge (223) is provided inside the chamber (111). A rotating shaft (224) is fixedly connected to the right output end of the second motor (222) via a coupling. The rotating shaft (224) passes through the second support frame (221) and extends into the chamber (111). The right side of the outer surface of the pivot (224) is rotatably connected to the right side inside the cabin (111).

3. The plastic granule mixing device for producing plastic products according to claim 2, characterized in that, The left and right sides of the filter cartridge (223) are rotatably connected to the left and right sides of the inner wall of the chamber (111), respectively. A bracket (2211) is fixedly connected to the left side of the inner wall of the filter cartridge (223). A sleeve (220) is fixedly connected to the center of the bracket (2211). The inner ring of the sleeve (220) is rotatably connected to the outer surface of the rotating shaft (224). The outer surface of the sleeve (220) is rotatably connected to the left side of the interior of the chamber (111). There is a gap between the outer ring of the filter cartridge (223) and the inner wall of the chamber (111), and the internal pore size of the filter cartridge (223) is consistent with the particle size of the plastic raw material.

4. A plastic granule mixing device for producing plastic products according to claim 3, characterized in that, The support (2211) has several stirring supports (225) on its right side. The center of the stirring supports (225) is fixedly connected to the outer surface of the rotating shaft (224). The stirring supports (225) have bolt protrusions (229) on their outside. The outer ring of the bolt protrusions (229) is fixedly connected to the inner wall of the filter cylinder (223). Among them, the spiral direction of the bolt protrusion (229) is consistent with the direction of the discharge port of the cabin (111).

5. A plastic granule mixing device for producing plastic products according to claim 3, characterized in that, The sleeve (220) penetrates the cabin (111) and extends into the cavity of the second support frame (221). A bevel gear (226) is provided on the left side inside the second support frame (221). The center of the bevel gear (226) is fixedly connected to the outer surface of the rotating shaft (224). A bevel gear (227) is meshed with the outer surface of the bevel gear (226). Among them, the inner center of the bevel gear two (227) is connected to the inner edge of the support frame two (221) by a pin.

6. A plastic granule mixing device for producing plastic products according to claim 5, characterized in that, The outer surface of the second bevel gear (227) is meshed with the third bevel gear (228), and the center of the third bevel gear (228) is fixedly connected to the outer surface of the sleeve (220); Among them, bevel gear one (226) and bevel gear three (228) are arranged symmetrically on the left and right.

7. A plastic granule mixing device for producing plastic products according to claim 1, characterized in that, The driving component includes a support frame (212) disposed above the feed pipe (112). The right side of the support frame (212) is fixedly connected to the left side of the chamber (111). A motor (213) is fixedly connected to the top of the support frame (212). A turntable (214) is disposed inside the cavity of the support frame (212). A connecting rod (210) is fixedly connected to the bottom eccentric part of the turntable (214). The outer surface of the connecting rod (210) is slidably connected to the inside of the slot frame (219). The bottom output end of the motor (213) passes through the support frame (212) and is fixedly connected to the top of the turntable (214) through a coupling. Among them, the slot frame (219) is set in the front and back direction.