Injection molding part color difference control device
By using a color difference control device for injection molded parts with a slanted dual-shaft stirring paddle and heating wire in the production of injection molded parts, the color difference problem caused by uneven feeding of raw materials and masterbatch is solved, and uniform mixing and drying of materials are achieved, thereby improving product quality and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGYU SHENLONG ALUMINUM PROD CO LTD
- Filing Date
- 2025-01-15
- Publication Date
- 2026-06-26
AI Technical Summary
In injection molding production, uneven feeding speed of raw materials and masterbatch leads to uneven mixing, resulting in color differences in the finished product and affecting product quality.
The color difference control device for injection molded parts adopts a design with a biaxially oriented, inclined stirring paddle and heating wire. The stirring paddle promotes the radial and axial flow of raw materials and masterbatch, improving material dispersion, and the heating wire performs drying treatment.
It effectively avoids color differences in injection-molded products, improves the uniformity and safety of material mixing, and ensures product quality.
Smart Images

Figure CN224408274U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection molding mixing technology, and mainly to a color difference control device for injection molded parts. Background Technology
[0002] In the injection molding process, raw materials are usually fed into the hopper by suction equipment or manual feeding. The raw materials enter the barrel by free fall in the hopper, are heated and mixed in the barrel and injected into the mold cavity of the injection molding machine, and finally formed after cooling.
[0003] When injection molding machines produce colored products, raw materials and color masterbatch need to be added to the drying hopper of the injection molding machine according to the specified ratio for drying. In the drying hopper, because the color masterbatch is heavy and the raw material is light, the two materials are fed at different speeds, resulting in uneven mixing. When the raw material and color masterbatch enter the mold cavity, color differences in the finished product are likely to occur, affecting the production quality of the product. Utility Model Content
[0004] This invention aims to solve some problems existing in the prior art. Therefore, the purpose of this invention is to provide a color difference control device for injection molded parts, which improves both the assembly efficiency of emulsion pumps and the safety factor.
[0005] To achieve the above objectives, this utility model employs the following technical solution:
[0006] A color difference control device for injection molded parts includes a hollow main body with two feeding hoppers at the top and a discharge port at the bottom. A support is provided inside the main body, and a drive motor is provided at the bottom of the support. The drive motor is a dual-shaft motor, and a first stirring blade and a second stirring blade are respectively provided on the two motor shafts of the drive motor, with the first stirring blade located above the second stirring blade.
[0007] Preferably, the first stirring paddle consists of three first blades arranged in a ring and uniformly, and the first blades are inclined.
[0008] Preferably, the second stirring paddle consists of four second blades arranged in a ring and uniformly, and the second blades are inclined.
[0009] Preferably, the bracket includes four legs and a fixed frame. One end of each leg is connected to the main body and the other end is connected to the fixed frame. The fixed frame has a through hole in the middle for the motor shaft to pass through. The drive motor is fixedly installed at the bottom of the fixed frame by screws.
[0010] Preferably, a heating wire is provided in the main body, and the heating wire is spirally wound around the main body.
[0011] Preferably, the top surface of the support leg and the top surface of the fixing frame are both arc-shaped inclined surfaces.
[0012] Preferably, the angle between the first blade and the horizontal plane is 15°.
[0013] Preferably, the angle between the second blade and the horizontal plane is 10°.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] The two sets of inclined agitators can promote radial and axial flow of raw materials and masterbatch, improve the dispersion of the two materials, and avoid color difference defects in product molding.
[0016] The features and advantages of this utility model will be described in detail through embodiments in conjunction with the accompanying drawings. Attached Figure Description
[0017] Figure 1 This is a cross-sectional view of the color difference control device for injection molded parts according to this utility model;
[0018] Figure 2 This is a perspective view of the color difference control device for injection molded parts according to this utility model;
[0019] Figure 3 This is an internal structural diagram of the color difference control device for injection molded parts according to this utility model.
[0020] Reference numerals: 1. Main body, 2. Feed hopper, 3. Discharge port, 4. Support, 41. Support leg, 42. Fixing frame, 5. Drive motor, 6. First stirring paddle, 61. First blade, 7. Second stirring paddle, 71. Second blade, 8. Heating wire. Detailed Implementation
[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0022] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses consistent with some aspects of this application as detailed in the appended claims.
[0023] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, the technical or scientific terms used in this application should be understood in their ordinary sense by one of ordinary skill in the art to which this utility model pertains. The words “a” or “one” and similar terms used in this application specification and claims do not indicate a limitation of quantity, but rather indicate the presence of at least one. “A plurality” includes two, equivalent to at least two. The words “comprising” or “including” and similar terms mean that the element or object preceding “comprising” or “including” covers the element or object listed following “comprising” or “including” and its equivalents, and does not exclude other elements or objects. The words “connected” or “linked” and similar terms are not limited to physical or mechanical connections and can include electrical connections, whether direct or indirect. The singular forms “a,” “the,” and “the” used in this application specification and appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more associated listed items.
[0024] Please refer to the following for details. Figure 1-3 A color difference control device for injection molded parts includes a hollow main body 1, with two feeding hoppers 2 at the top of the main body 1 and a discharge port 3 at the bottom of the main body 1. A bracket 4 is installed inside the main body 1 and is fixedly installed in the main body 1. A drive motor 5 is installed at the bottom of the bracket 4. The drive motor 5 is a dual-shaft motor. A first stirring paddle 6 and a second stirring paddle 7 are respectively installed on the two motor shafts of the drive motor 5. The first stirring paddle 6 is located above the second stirring paddle 7.
[0025] Specifically, the first stirring paddle 6 consists of three first blades 61 arranged in a ring, with the first blades 61 tilted at an angle of 15° to the horizontal plane; the second stirring paddle 7 consists of four second blades 71 arranged in a ring, with the second blades 71 tilted at an angle of 10° to the horizontal plane.
[0026] Based on the above technical means: when the drive motor 5 is working, the motor shaft will rotate, which will drive the two sets of stirring paddles to rotate, which can promote the radial and axial flow of raw materials and masterbatch, improve the dispersion of the two materials, and the inclined stirring paddle has a better stirring effect.
[0027] Furthermore, the bracket 4 includes four legs 41 and a fixing frame 42. One end of the legs 41 is connected to the main body 1 and the other end is connected to the fixing frame 42. The fixing frame 42 has a through hole in the middle for the motor shaft to pass through. The drive motor 5 is fixedly installed at the bottom of the fixing frame 42 by screws.
[0028] Furthermore, the top surface of the support leg 41 and the top surface of the fixing frame 42 are both arc-shaped inclined surfaces. The arc-shaped inclined surface design makes it difficult for residual material to remain, allowing as much raw material and masterbatch as possible to fall into the discharge port 3.
[0029] Furthermore, a heating wire 8 is provided in the main body 1. The heating wire 8 is spirally wound around the main body 1, and the heating wire 8 can dry the raw materials and masterbatch in the main body 1.
[0030] This utility model relates to a color difference control device for injection molded parts, and its working principle is explained in conjunction with the accompanying drawings:
[0031] When mixing raw materials and masterbatch, the drive motor 5 and heating wire 8 are started. The drive motor 5 drives two sets of stirring paddles to rotate, and the raw materials and masterbatch are added to the main body 1 through different feed hoppers 2. Under the action of the stirring paddles, the raw materials and masterbatch are stirred, so that the raw materials and masterbatch are kept uniform. The heating wire 8 can heat the main body 1 to dry the raw materials and masterbatch.
[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A color difference control device for injection molded parts, comprising a hollow main body, characterized in that, The main body is provided with two feeding hoppers at the top and a discharge port at the bottom. A support is provided inside the main body, and a drive motor is provided at the bottom of the support. The drive motor is a dual-shaft motor, and a first stirring blade and a second stirring blade are respectively provided on the two motor shafts of the drive motor. The first stirring blade is located above the second stirring blade.
2. The color difference control device for injection molded parts according to claim 1, characterized in that, The first stirring paddle consists of three first blades arranged in a ring and uniformly, and the first blades are inclined.
3. The color difference control device for injection molded parts according to claim 2, characterized in that, The second stirring paddle consists of four second blades arranged in a ring and evenly distributed, and the second blades are inclined.
4. The color difference control device for injection molded parts according to claim 3, characterized in that, The bracket includes four legs and a fixed frame. One end of each leg is connected to the main body and the other end is connected to the fixed frame. The fixed frame has a through hole in the middle for the motor shaft to pass through. The drive motor is fixedly installed at the bottom of the fixed frame by screws.
5. The color difference control device for injection molded parts according to claim 4, characterized in that, The main body is provided with a heating wire, which is spirally wound around the main body.
6. The color difference control device for injection molded parts according to claim 5, characterized in that, Both the top surface of the support leg and the top surface of the fixed frame are curved surface structures.
7. The color difference control device for injection molded parts according to claim 6, characterized in that, The first blade makes an angle of 15° with the horizontal plane.
8. The color difference control device for injection molded parts according to claim 7, characterized in that, The second blade makes an angle of 10° with the horizontal plane.