Injection molding raw material pretreatment processing system

By designing a stirring drum and electric heating belt in the injection molding raw material pretreatment equipment, the problem of traditional equipment neglecting stirring and heating is solved, the full stirring and uniform heating of raw materials is achieved, preventing agglomeration and precipitation, improving fluidity and processing performance, and improving the efficiency and product quality of the injection molding process.

CN222875009UActive Publication Date: 2025-05-16ZHENGZHOU DEHENG PLASTICS CO LTD
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Patent Information

Application Number
CN202421584005.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-05-16
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

Traditional injection molding raw material pretreatment equipment only focuses on the crushing process of the raw material, ignoring the stirring and heating treatment, which leads to the raw material being prone to agglomeration or precipitation, reducing fluidity and processing performance, and thus affecting the efficiency and product quality of the injection molding process.

Method used

A pretreatment processing system for injection molded raw materials is designed, including a mixing drum, agitating shaft, agitating rod, scraper and electric heating belt. Through stirring and heating treatment, the raw materials are prevented from agglomerating and precipitating, and the fluidity and processing performance are improved.

Benefits of technology

Through sufficient stirring and heating treatment, the raw materials can be effectively prevented from agglomeration and precipitation, improve their fluidity and processing performance, avoid blockage of injection molding equipment, and improve production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an injection molding raw material pretreatment processing system, and relates to the technical field of injection molding raw material pretreatment, the injection molding raw material pretreatment processing system comprises a mounting rack, a stirring cylinder is fixedly mounted on a placing groove, a stirring shaft is arranged in the stirring cylinder along the cylinder body direction, and the outer surface of the stirring shaft is sleeved with a disc; the discs are linearly distributed in the shaft body direction of the stirring shaft, a plurality of stirring rods are annularly arranged outside the discs, the ends, extending towards the inner wall, of the stirring rods are connected with scraping rods, and a plurality of electric heating belts are annularly arranged on the inner wall of the stirring barrel in the barrel body direction. The stirring shaft and the stirring rod are arranged in the stirring barrel, raw materials are fully stirred, caking and sedimentation of the raw materials are effectively prevented, it is ensured that the raw materials on the inner wall of the stirring barrel can be effectively stirred or scraped through the arrangement of the scraping rod, and then the electric heating belt is arranged on the inner wall of the stirring barrel, so that uniform heating of the raw materials is achieved; and the flowability and processability of the raw materials are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molding raw material pretreatment, in particular to an injection molding raw material pretreatment processing system. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product sizes. The product is easy to update and can be made into parts with complex shapes. Injection molding is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. Injection molding raw materials often need to be pre-treated before use. In the processing of injection molding raw materials, pre-treatment is a crucial link.

[0003] Traditional injection molding raw material pretreatment equipment usually only focuses on the crushing process of raw materials, but ignores the stirring and heating treatment of the raw materials after crushing. Since injection molding raw materials are often prone to agglomeration or precipitation after crushing, this change in physical state will greatly reduce the fluidity of the raw materials, thereby affecting their processing performance during the injection molding process. In addition, agglomerated or precipitated raw materials may also cause blockage of injection molding equipment, reducing production efficiency and product quality. Therefore, the utility model proposes an injection molding raw material pretreatment processing system. Utility Model Content

[0004] The purpose of the utility model is to provide a system for preprocessing raw materials for injection molding, so as to solve the problem that the traditional preprocessing equipment for raw materials for injection molding mentioned in the above background technology usually only focuses on the crushing process of raw materials, but ignores the stirring and heating treatment of the raw materials after crushing. Since the raw materials for injection molding are often easy to agglomerate or precipitate after crushing, this change in physical state will greatly reduce the fluidity of the raw materials, thereby affecting their processing performance during the injection molding process. In addition, the agglomerated or precipitated raw materials may also cause the blockage of the injection molding equipment, reducing the production efficiency and product quality.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A system for preprocessing raw materials for injection molding comprises a mounting frame, a placement groove is fixedly mounted on the mounting frame, a mixing drum is fixedly mounted on the placement groove, a mixing shaft is arranged inside the mixing drum along the direction of the drum body, a disc is sleeved on the outer surface of the mixing shaft, and the disc is linearly distributed along the axial direction of the mixing shaft, a plurality of mixing rods are arranged around the outer surface of the disc, a scraper rod is connected to one end of the plurality of mixing rods extending toward the inner wall, and a plurality of electric heating belts are arranged around the inner wall of the mixing drum along the direction of the drum body.

[0007] Optionally, a front cover and a rear cover are respectively provided on the front and rear sides of the mixing drum, a side strip is provided at the lower portion of the rear cover, an opening and closing plate is movably connected to the inner top of the side strip via a pin, and the opening and closing plate and the side strip form a discharge port.

[0008] Optionally, a feed hopper is provided on the front side of the mixing drum, the feed hopper is connected to the inner cavity of the mixing drum, a fixing frame is provided on the top of the mounting frame close to the feed hopper, and the top of the fixing frame is fixedly connected to the feed hopper.

[0009] Optionally, a bracket is provided on one side of the mounting frame close to the feed hopper, a motor is fixedly mounted on the top of the bracket, and an output end of the motor is fixedly connected to the stirring shaft via a bearing seat.

[0010] Optionally, a discharge hopper is provided below a side of the mixing drum away from the feed hopper.

[0011] Optionally, the mixing drum is arranged obliquely on the placement tank.

[0012] Optionally, the opening and closing plate cooperates with the edge strip in a closed state.

[0013] The beneficial effects of the utility model are:

[0014] The utility model realizes sufficient stirring of raw materials by arranging a stirring shaft and a stirring rod inside the stirring drum, effectively preventing agglomeration and precipitation of raw materials, and the scraper rod is arranged to ensure that the raw materials on the inner wall of the stirring drum can also be effectively stirred or scraped off, and then by arranging an electric heating belt on the inner wall of the stirring drum, uniform heating of the raw materials is achieved, and the fluidity and processing performance of the raw materials are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of an injection molding raw material pretreatment processing system of the utility model;

[0016] Figure 2 It is a front view of the utility model;

[0017] Figure 3 It is a cross-sectional view of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the rear cover in the utility model;

[0019] Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0020] The numbers in the figure are:

[0021] 1. Mounting frame; 2. Placement trough; 3. Mixing drum; 301. Front cover; 302. Rear cover; 3021. Side strip; 3022. Pin shaft; 3023. Opening and closing plate; 3024. Discharge port; 303. Mixing shaft; 304. Disc; 305. Mixing rod; 306. Scraping rod; 307. Electric belt; 4. Feed hopper; 5. Fixed frame; 6. Motor; 7. Install bearing seat; 8. Bracket; 9. Discharge hopper. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] The following is an explanation of the preferred embodiments of the device of the utility model.

[0024] See also Figure 1-5 As shown, the injection molding raw material pretreatment processing system includes a mounting frame 1, a placement groove 2 is fixedly installed on the mounting frame 1, a mixing drum 3 is fixedly installed on the placement groove 2, a mixing drum 3 is provided with a mixing shaft 303 inside along the drum body direction, a disc 304 is sleeved on the outer surface of the mixing shaft 303, and the disc 304 is linearly distributed along the axial direction of the mixing shaft 303, a plurality of mixing rods 305 are arranged around the outer ring of the disc 304, a scraper rod 306 is connected to one end of the plurality of mixing rods 305 extending toward the inner wall, and a plurality of electric heating belts 307 are arranged around the inner wall of the mixing drum 3 along the drum body direction. Specifically, the stirring shaft 303 is driven by the motor 6 to drive the disc 304 and the stirring rod 305 for stirring, so that the stirring rod 305 can fully stir the raw materials. The end of the stirring rod 305 extending toward the inner wall is connected to a scraper rod 306. The scraper rod 306 can scrape off the raw materials on the inner wall of the stirring drum 3 during the stirring process to prevent them from adhering and agglomerating. During the stirring process, the electric heating belt 307 is used to heat the raw materials in the stirring drum 3 to improve their fluidity and processing performance.

[0025] Furthermore, a front cover 301 and a rear cover 302 are respectively provided on the front and rear sides of the mixing drum 3, a side strip 3021 is provided at the lower portion of the rear cover 302, an opening and closing plate 3023 is movably connected to the inner top of the side strip 3021 via a pin shaft 3022, the opening and closing plate 3023 and the side strip 3021 form a discharge port 3024, and the opening and closing plate 3023 cooperates with the side strip 3021 in a closed state.

[0026] Specifically, by rotating the opening and closing plate 3023 upward, the raw materials in the mixing drum 3 are discharged into the discharging hopper 9 through the discharging port 3024. When mixing, the opening and closing plate 3023 is closed and cooperates with the side strip 3021 to form a seal.

[0027] Furthermore, a feed hopper 4 is provided on the front side of the mixing drum 3, and the feed hopper 4 is used to add raw materials into the mixing drum 3. The feed hopper 4 is connected to the inner cavity of the mixing drum 3. A fixing frame 5 is provided on the top of the side of the mounting frame 1 close to the feed hopper 4, and the fixing frame 5 ensures its stability during the process of adding raw materials. The top of the fixing frame 5 is fixedly connected to the feed hopper 4.

[0028] Furthermore, a bracket 8 is provided on one side of the mounting frame 1 close to the feed hopper 4, and a motor 6 is fixedly installed on the top of the bracket 8. The motor 6 provides rotational power for the stirring shaft 303, and the output end of the motor 6 is fixedly connected to the stirring shaft 303 by installing a bearing seat 7.

[0029] Furthermore, a discharge hopper 9 is provided at a lower side of the mixing drum 3 away from the feed hopper 4 . The discharge hopper 9 corresponds to the discharge port 3024 of the mixing drum 3 and is used to collect raw materials discharged from the mixing drum 3 .

[0030] Furthermore, the mixing drum 3 is tiltedly arranged on the placement tank 2 , and the tilted arrangement of the mixing drum 3 is helpful for the flow of raw materials during the mixing process and the discharge from the discharge port 3024 .

[0031] When in use, crushed injection molding raw materials are added to the mixing drum 3 through the feed hopper 4, and the motor 6 is started. The motor 6 drives the stirring shaft 303 to rotate by installing the bearing seat 7, and then drives the stirring rod 305 to stir. During the stirring process, the electric belt 307 heats the raw materials in the mixing drum 3 to improve its fluidity and processing performance. After the stirring is completed, the discharge port 3024 is opened through the opening and closing plate 3023, and the raw materials are discharged from the mixing drum 3 and transferred to the discharge hopper 9. After the transfer is completed, the opening and closing plate 3023 is closed again to carry out the next pretreatment process.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An injection molding raw material pretreatment processing system, characterized in that: The invention comprises a mounting frame (1), wherein a placement groove (2) is fixedly mounted on the mounting frame (1), and a mixing drum (3) is fixedly mounted on the placement groove (2), wherein a mixing shaft (303) is arranged inside the mixing drum (3) along the direction of the drum body, and a circular disc (304) is sleeved on the outer surface of the mixing shaft (303), and the circular disc (304) is linearly distributed along the axial direction of the mixing shaft (303), and a plurality of mixing rods (305) are arranged around the outer surface of the circular disc (304), and a scraper rod (306) is connected to one end of the plurality of mixing rods (305) extending toward the inner wall, and a plurality of electric heating belts (307) are arranged around the inner wall of the mixing drum (3) along the direction of the drum body.

2. The system for preprocessing raw materials for injection molding according to claim 1, characterized in that: The front and rear sides of the mixing drum (3) are respectively provided with a front cover (301) and a rear cover (302); the lower part of the rear cover (302) is provided with a side strip (3021); the inner top of the side strip (3021) is movably connected to an opening and closing plate (3023) via a pin shaft (3022); the opening and closing plate (3023) and the side strip (3021) form a discharge port (3024).

3. The system for preprocessing raw materials for injection molding according to claim 1, characterized in that: A feed hopper (4) is provided on the front side of the mixing drum (3), and the feed hopper (4) is connected to the inner cavity of the mixing drum (3). A fixing frame (5) is provided on the top of one side of the mounting frame (1) close to the feed hopper (4), and the top of the fixing frame (5) is fixedly connected to the feed hopper (4).

4. The system for preprocessing raw materials for injection molding according to claim 1, characterized in that: A bracket (8) is provided on one side of the mounting frame (1) close to the feed hopper (4), a motor (6) is fixedly mounted on the top of the bracket (8), and an output end of the motor (6) is fixedly connected to the stirring shaft (303) via a mounting bearing seat (7).

5. The system for pre-processing raw materials for injection molding according to claim 2, characterized in that: A discharge hopper (9) is correspondingly provided below a side of the mixing drum (3) away from the feed hopper (4).

6. The system for pre-processing raw materials for injection molding according to claim 1, characterized in that: The mixing drum (3) is arranged obliquely on the placement groove (2).

7. The system for preprocessing raw materials for injection molding according to claim 2, characterized in that: The opening and closing plate (3023) cooperates with the side strip (3021) in the closed state.