Mixing head for producing GPPS diffusion plate

By designing a mixing head that includes a screw and threaded ribs, the problem of poor material plasticization during the production of GPPS diffuser plates using a three-roll calender was solved, achieving more efficient material mixing and compression, and improving production efficiency and product quality.

CN223657575UActive Publication Date: 2025-12-12ZHEJIANG ZHONGYANG SCREW MFG
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Patent Information

Application Number
CN202520091872.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-12-12
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

When using existing three-roll calenders to produce GPPS diffuser plates, the material plasticization effect is poor, resulting in black spot problems, which affects product quality and production efficiency.

Method used

Design a mixing head including a fixed section, a first pushing component, a mixing component, and a second pushing component. Through the cooperation of the screw and the threaded ribs, the material is fully pushed, mixed, and compressed, thereby improving the plasticizing effect.

Benefits of technology

It significantly improved the plasticization degree of materials and production efficiency, improved product quality, and solved the black spot problem.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mixing head for producing a GPPS (general purpose polystyrene) diffusion plate, which relates to the field of mixing heads and comprises a fixed section, a first pushing component, a mixing component and a second pushing component, the first pushing component is connected with the fixed section, the mixing component is connected with the first pushing component, and the second pushing component is connected with the mixing component. The arrangement mode that the first material pushing assembly, the mixing assembly and the second material pushing assembly are matched is utilized, so that materials can be pushed and mixed more sufficiently when passing through the first material pushing assembly, the deepened first material pushing assembly provides a larger space for entering of the materials, uniform distribution of the materials is facilitated, and the mixing efficiency is improved. And the second material pushing assembly with the enlarged bottom diameter can exert larger force in the subsequent material pushing process, compression and plasticization of the materials are further promoted, the compression ratio in the whole production process can be remarkably increased, the materials can reach the higher plasticization degree within the shorter time, and therefore the production efficiency and the product quality are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of mixing head, especially relates to a mixing head for GPPS diffusion plate production. BACKGROUND

[0002] GPPS diffusion plate is a kind of diffusion plate made of GPPS material, and GPPS is a kind of transparent or translucent amorphous thermoplastic plastic, which has excellent physical and mechanical properties, electrical insulation, transparency, chemical stability and processing fluidity, and is widely used in various occasions requiring uniform light diffusion.

[0003] The existing GPPS diffusion plate is generally produced by a three-roll calender, however, when the three-roll calender is used to produce the GPPS diffusion plate, black spots often occur, which is mainly because the mixing head inside the three-roll calender is relatively short, so that the plasticizing effect of the material is not good, which leads to that the material cannot be fully fused, and at the same time, the compression ratio is not large enough, so that the material cannot be effectively extruded and formed, which not only affects the quality and appearance of the product, but also leads to the reduction of production efficiency, which brings many inconveniences to production and needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a mixing head for GPPS diffusion plate production to solve the problems in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mixing head for GPPS diffusion plate production, comprising:

[0006] A fixed section;

[0007] A first material pushing assembly connected with the fixed section;

[0008] A mixing assembly connected with the first material pushing assembly;

[0009] A second material pushing assembly connected with the mixing assembly.

[0010] Preferably, the first material pushing assembly comprises:

[0011] A first screw rod, one end of which is fixedly connected with the fixed section, and the outer wall of the first screw rod is fixedly connected with a first screw thread rib;

[0012] A second screw rod, one end of which is fixedly connected with the first screw rod, and the other end of which is connected with the mixing assembly, the diameter of one end of the second screw rod is larger than that of the other end, the outer wall of the second screw rod is fixedly connected with a second screw thread rib, and the first screw thread rib is connected with the second screw thread rib.

[0013] Preferably, the mixing assembly comprises:

[0014] A first stirring body fixedly connected with the second screw rod;

[0015] A second stirring body fixedly connected with the first stirring body, and connected with the second pushing assembly.

[0016] Preferably, the outer wall of the first stirring body is equidistantly provided with first channels in a spiral shape.

[0017] Preferably, the outer wall of the second stirring body is equidistantly provided with second channels in a straight line shape.

[0018] Preferably, the second pushing assembly comprises:

[0019] A third screw rod, one end of which is fixedly connected with the second stirring body, and the outer wall of the third screw rod is fixedly connected with third screw thread ribs;

[0020] A fourth screw rod, one end of which is fixedly connected with the other end of the third screw rod, and the diameter of the one end of the fourth screw rod is smaller than that of the other end, the outer wall of the fourth screw rod is fixedly connected with fourth screw thread ribs, and the interval of the third screw thread ribs is smaller than that of the fourth screw thread ribs;

[0021] A fifth screw rod, one end of which is fixedly connected with the other end of the fourth screw rod, and the outer wall of the fifth screw rod is fixedly connected with fifth screw thread ribs, and the fifth screw thread ribs are connected with the fourth screw thread ribs.

[0022] The technical effects and advantages of the present application are as follows:

[0023] The first pushing assembly, the mixing assembly and the second pushing assembly are matched and arranged, so that the material can be more fully pushed and mixed when passing through the first pushing assembly, the deeper first pushing assembly provides a larger space for the material to enter, which is helpful for the uniform distribution of the material, and after further mixing by the mixing assembly, the material enters the second pushing assembly, the second pushing assembly with the increased bottom diameter can exert greater force in the subsequent pushing process, further promoting the compression and plasticization of the material, through the synergistic effect of the two, the compression ratio in the whole production process can be significantly improved, the material can reach a higher plasticization degree in a shorter time, and thus the production efficiency and product quality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole front structure schematic view of the present application.

[0025] Figure 2 It is a front structure schematic view of the first pushing assembly of the present application.

[0026] Figure 3 It is the structure schematic view of the second pushing assembly of the utility model.

[0027] In the figure: 1, fixed section; 2, first pushing assembly; 21, first screw rod; 22, second screw rod; 23, first threaded convex rib; 24, second threaded convex rib; 3, mixing assembly; 31, first stirring body; 32, second stirring body; 4, second pushing assembly; 41, third screw rod; 42, third threaded convex rib; 43, fourth screw rod; 44, fourth threaded convex rib; 45, fifth screw rod; 46, fifth threaded convex rib. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT

[0029] The utility model provides a kind of mixing head for GPPS diffusion plate production as Figures 1-2 As shown in a kind of mixing head for GPPS diffusion plate production, including fixed section 1, first pushing assembly 2, mixing assembly 3 and second pushing assembly 4, first pushing assembly 2 is connected with fixed section 1, mixing assembly 3 is connected with first pushing assembly 2, second pushing assembly 4 is connected with mixing assembly 3, so that material can be more fully pushed and mixed when passing through first pushing assembly 2, deepen first pushing assembly 2 provides greater space for the entry of material, it is helpful to the uniform distribution of material, and after further mixing of mixing assembly 3, it enters second pushing assembly 4, and the second pushing assembly 4 of increased bottom diameter can exert greater force in subsequent pushing process, to further promote the compression and plasticization of material, through the synergistic effect of both, can significantly improve the compression ratio in the entire production process, so that material reaches higher plasticization degree in shorter time, to improve production efficiency and product quality.

[0030] Specifically, the first pushing assembly 2 comprises a first screw rod 21 and a second screw rod 22, one end of the first screw rod 21 is fixedly connected with the fixed section 1, the outer wall of the first screw rod 21 is fixedly connected with a first threaded convex rib 23, one end of the second screw rod 22 is fixedly connected with the first screw rod 21, the other end of the second screw rod 22 is connected with the mixing assembly 3, the diameter of one end of the second screw rod 22 is larger than that of the other end, the outer wall of the second screw rod 22 is fixedly connected with a second threaded convex rib 24, the first threaded convex rib 23 is connected with the second threaded convex rib 24, through the cooperation of the diameter difference and the threaded convex rib, the material can be better stirred and sheared in the mixing process, the uniform mixing of the material is promoted, the mixing effect is improved, and the longer first screw rod 21 and second screw rod 22 can make the material be more fully pushed and mixed when passing through the first pushing assembly 2.

[0031] Further, the mixing assembly 3 comprises a first stirring body 31 and a second stirring body 32, the first stirring body 31 is fixedly connected with the second screw rod 22, the second stirring body 32 is fixedly connected with the first stirring body 31, the second stirring body 32 is connected with the second pushing assembly 4, the outer wall of the first stirring body 31 is equidistantly provided with a first channel, the first channel is in a spiral shape, the spiral first channel can stir the material in a spiral manner, so that the material is continuously stirred and turned during movement along the stirring body, the outer wall of the second stirring body 32 is equidistantly provided with a second channel, the second channel is in a straight line shape, the material can be further linearly pushed and combed on the basis of mixing, so as to avoid the accumulation or unevenness of the material, thereby more effectively improving the mixing effect and making the material reach a more uniform and ideal state, thereby providing a better basis for subsequent production processes. Embodiment

[0032] On the basis of the first embodiment, as Figure 3As shown, the second pushing assembly 4 comprises a third screw rod 41, a fourth screw rod 43 and a fifth screw rod 45, one end of the third screw rod 41 is fixedly connected with the second stirring body 32, the outer wall of the third screw rod 41 is fixedly connected with a third screw thread convex rib 42, the third screw thread convex rib 42 provides further pushing power for the mixed material, one end of the fourth screw rod 43 is fixedly connected with the other end of the third screw rod 41, the diameter of one end of the fourth screw rod 43 is smaller than that of the other end, the outer wall of the fourth screw rod 43 is fixedly connected with a fourth screw thread convex rib 44, the spacing of the third screw thread convex rib 42 is smaller than that of the fourth screw thread convex rib 44, this design helps to adjust the force and stirring effect on the material according to the needs of different positions during pushing, one end of the fifth screw rod 45 is fixedly connected with the other end of the fourth screw rod 43, the outer wall of the fifth screw rod 45 is fixedly connected with a fifth screw thread convex rib 46, the fifth screw thread convex rib 46 is connected with the fourth screw thread convex rib 44, further continuing the pushing and stirring effect, the combination of multiple screw rods and the different settings of the screw thread convex ribs, the connection of the third screw thread convex rib 42, the fourth screw thread convex rib 44 and the fifth screw thread convex rib 46 can make the whole second pushing assembly 4 more delicate and efficient in pushing the material, which helps to improve the conveying and processing quality of the material in the whole production process and improve the performance and consistency of the product.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included in the protection scope of the present application.

Claims

1. A kneader for GPPS diffusion plate production, characterized by , comprising: A fixed section (1); A first pushing assembly (2) connected with the fixed section (1); A mixing assembly (3) connected with the first pushing assembly (2); A second pushing assembly (4) connected with the mixing assembly (3).

2. The mixing head for producing a GPPS diffusion plate according to claim 1, wherein The first pushing assembly (2) comprises: A first screw rod (21) fixedly connected with the fixed section (1) at one end, and a first screw thread rib (23) fixedly connected with the outer wall of the first screw rod (21); A second screw rod (22) fixedly connected with the first screw rod (21) at one end, and connected with the mixing assembly (3) at the other end, wherein the diameter of one end of the second screw rod (22) is larger than that of the other end, and a second screw thread rib (24) is fixedly connected with the outer wall of the second screw rod (22), and the first screw thread rib (23) is connected with the second screw thread rib (24).

3. The mixing head for producing a GPPS diffusion plate according to claim 2, wherein The mixing assembly (3) comprises: A first stirring body (31) fixedly connected with the second screw rod (22); A second stirring body (32) fixedly connected with the first stirring body (31), and connected with the second pushing assembly (4).

4. The mixing head for producing a GPPS diffusion plate according to claim 3, wherein The outer wall of the first stirring body (31) is equidistantly provided with a first channel in a spiral shape.

5. The mixing head for producing a GPPS diffusion plate according to claim 3, wherein The outer wall of the second stirring body (32) is equidistantly provided with a second channel in a straight line shape.

6. The mixing head for producing a GPPS diffusion plate according to claim 3, wherein The second pushing assembly (4) comprises: A third screw rod (41) fixedly connected with the second stirring body (32) at one end, and a third screw thread rib (42) fixedly connected with the outer wall of the third screw rod (41); A fourth screw rod (43) fixedly connected with the other end of the third screw rod (41) at one end, wherein the diameter of one end of the fourth screw rod (43) is smaller than that of the other end, and a fourth screw thread rib (44) is fixedly connected with the outer wall of the fourth screw rod (43), and the spacing of the third screw thread rib (42) is smaller than that of the fourth screw thread rib (44); A fifth screw rod (45) fixedly connected with the other end of the fourth screw rod (43) at one end, and a fifth screw thread rib (46) fixedly connected with the outer wall of the fifth screw rod (45), wherein the fifth screw thread rib (46) is connected with the fourth screw thread rib (44).