CN223173528U - High plasticizing double alloy machine barrel screw - Google Patents
High plasticizing double alloy machine barrel screwInfo
- Publication number
- CN223173528U CN223173528U CN202422454226.0U CN202422454226U CN223173528U CN 223173528 U CN223173528 U CN 223173528U CN 202422454226 U CN202422454226 U CN 202422454226U CN 223173528 U CN223173528 U CN 223173528U
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- CN
- China
- Prior art keywords
- screw
- screw body
- plasticizing
- threads
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
本实用新型涉及螺杆领域，其目的是为了解决螺杆塑化效率低的问题，公开了高塑化双合金机筒螺杆，包括加料段、塑化段、计量段、第一螺杆本体和第二螺杆本体，第一螺杆本体的直径大于第二螺杆本体，第一螺杆本体表面均匀装配有第一螺纹，第二螺杆本体表面均匀装有第二螺纹，第一螺纹之间设置有第一螺纹槽，第二螺纹之间设置有第二螺纹槽，位于塑化段的第二螺杆本体上均匀套装有破碎齿，位于第一螺杆本体表面两端均套装有第一齿轮，位于第二螺杆本体表面两端均套装有第二齿轮。本实用新型通过双螺杆配合，在物料传输的时候，利用小直径螺杆向传输的反方向传输，对物料进行加强塑化，从而提高物料的塑化效果，使物料注塑更加均匀。
The utility model relates to the field of screws, and aims to solve the problem of low plasticizing efficiency of screws. The utility model discloses a high-plasticizing double-alloy barrel screw, comprising a feeding section, a plasticizing section, a metering section, a first screw body, and a second screw body. The diameter of the first screw body is larger than that of the second screw body. The surface of the first screw body is evenly equipped with first threads, the surface of the second screw body is evenly equipped with second threads, a first thread groove is provided between the first threads, and a second thread groove is provided between the second threads. The second screw body located in the plasticizing section is evenly equipped with crushing teeth, and a first gear is provided at both ends of the surface of the first screw body, and a second gear is provided at both ends of the surface of the second screw body. The utility model cooperates with the double screws, and when the material is transmitted, the small-diameter screw is used to transmit in the opposite direction of transmission, thereby strengthening the plasticization of the material, thereby improving the plasticizing effect of the material and making the material injection molding more uniform.
Description
Technical Field
The utility model relates to the field of screws, in particular to a high-plasticizing double-alloy barrel screw.
Background
The foaming PP has excellent mechanical property, thermal stability, high-temperature dimensional stability and degradability and recyclability, and is a green packaging material which is greatly developed at home and abroad at present. PP foaming materials are usually prepared by extrusion molding, compression molding and other methods, and PP injection molding foaming is rare. At present, a three-section screw is generally adopted for injection molding, injection molding PP has bubbles, injection molding products bend and deform, the surface has air holes, material flowing marks and other defects, the plasticizing effect cannot meet the requirements, when injection molding, materials are conveyed among the screws, a part of the materials are insufficiently stirred, some unmelted materials can be conveyed out during conveying, the injection molding materials are uneven, and how to rapidly plasticize the materials in the conveying process of the injection molding materials is an important problem to be solved.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a high-plasticization double-alloy barrel screw.
The utility model is realized by the following technical scheme:
The high-plasticization double-alloy barrel screw comprises a feeding section, a plasticization section, a metering section, a first screw body and a second screw body, wherein the diameter of the first screw body is larger than that of the second screw body, first threads are uniformly arranged on the surface of the first screw body, second threads are uniformly arranged on the surface of the second screw body, first thread grooves are formed between the first threads, second thread grooves are formed between the second threads, crushing teeth are uniformly sleeved on the second screw body in the plasticization section, first gears are uniformly sleeved at two ends of the surface of the first screw body, and second gears are uniformly sleeved at two ends of the surface of the second screw body.
As a preferable technical scheme of the utility model, the first gear is meshed with the second gear, and the diameter of the first gear is 2 times that of the second gear.
As a preferable technical scheme of the utility model, the section of the first screw body is crescent, and the first screw body is wrapped outside the second screw body.
As the preferable technical scheme of the utility model, the crushing teeth and the second screw thread form an included angle of 60 degrees, the crushing teeth and the second screw body are vertically arranged, and the gap between the crushing teeth is one half of the width of the second screw thread groove.
As a preferable technical scheme of the utility model, the directions of the first thread and the second thread are opposite, and the first screw body and the second screw body are matched.
As the preferable technical scheme of the utility model, the first screw body and the second screw body are made of 42CrMo alloy materials, and the first screw thread, the second screw thread and the crushing teeth are made of 42CrMo alloy materials.
As a preferable technical scheme of the utility model, the first threads and the second threads are staggered.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, through the double-screw structure formed by the first screw body and the second screw body, the second screw body is enabled to quickly transmit materials in the opposite direction of transmission in the process of transmitting the materials by the first screw body, the materials which are not fully crushed are further crushed by utilizing the crushing teeth, so that the transmitted materials are finer, the plasticizing efficiency is improved, and the rotation of the second screw body can be accelerated by utilizing the large wheel with the small wheel by utilizing the cooperation of the first gear and the second gear. According to the utility model, through the cooperation of the double screws, when materials are conveyed, the materials are reinforced and plasticized by utilizing the conveying of the small-diameter screws in the opposite direction of conveying, so that the plasticizing effect of the materials is improved, and the injection molding of the materials is more uniform.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a side view of the first and second screw bodies of the present utility model mated with a barrel;
FIG. 3 is a schematic view of the first screw body and the second screw body of the present utility model mated;
FIG. 4 is a schematic view of the material flow direction of the present utility model;
In the figure, 1, a feeding section, 2, a plasticizing section, 3, a metering section, 4, a first thread groove, 5, a first thread, 6, a first screw body, 7, a first gear, 8, a second screw body, 9, a second gear, 10, a second thread, 11, a second thread groove, 12 and crushing teeth.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution:
The utility model provides a high plasticization double alloy barrel screw rod, including charging section 1, plasticization section 2, measurement section 3, first screw rod body 6 and second screw rod body 8, the diameter of first screw rod body 6 is greater than second screw rod body 8, first screw rod body 6 surface evenly is equipped with first screw thread 5, second screw thread 10 is evenly equipped with on second screw rod body 8 surface, be provided with first thread groove 4 between the first screw thread 5, be provided with second thread groove 11 between the second screw thread 10, evenly be equipped with broken tooth 12 on the second screw rod body 8 that is located plasticization section 2, be located first screw rod body 6 surface both ends all the cover and be equipped with first gear 7, be located the equal cover of second screw rod body 8 surface both ends and be equipped with second gear 9.
The first gear 7 is in meshed fit with the second gear 9, and the diameter of the first gear 7 is 2 times that of the second gear 9.
The section of the first screw body 6 is crescent, and the first screw body 6 is wrapped outside the second screw body 8.
The crushing teeth 12 and the second screw thread 10 form an included angle of 60 degrees, the crushing teeth 12 and the second screw body 8 are vertically arranged, and the gap between the crushing teeth 12 is one half of the width of the second screw thread groove 11.
The first thread 5 and the second thread 10 are opposite in direction, and the first screw body 6 and the second screw body 8 are matched.
The first screw body 6 and the second screw body 8 are made of 42CrMo alloy materials, and the first screw thread 5, the second screw thread 10 and the crushing teeth 12 are made of 42CrMo alloy materials.
The first threads 5 and the second threads 10 are staggered.
The material conveying mechanism comprises the working principle that the material firstly enters a feeding section 1, then enters a plasticizing section 2 and finally enters a metering section 3, when a first screw body 6 and a second screw body 8 rotate, a large wheel drives a small wheel through the engagement of a first gear 7 and a second gear 9, so that the rotation speed of the second screw body 8 is faster than that of the first screw body 6, along with the material conveying between first threads 5, the material enters the position of the second screw body 8 through a first thread groove 4, the second threads 10 on the second screw body 8 can enable the material to be conveyed in the opposite direction, meanwhile, the material is further crushed through crushing teeth 12, full plasticization is easier to be carried out, the second screw body 8 conveys the material to the feeding section 1 again, repeated circulation is carried out, and the material is continuously conveyed to the first screw body 6 from the second screw body 8 in the conveying process of the first screw body 6, so that the material plasticization is more sufficient, and the plasticizing efficiency is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The high-plasticization double-alloy barrel screw comprises a feeding section (1), a plasticizing section (2), a metering section (3), a first screw body (6) and a second screw body (8), and is characterized in that the diameter of the first screw body (6) is larger than that of the second screw body (8), first threads (5) are uniformly assembled on the surface of the first screw body (6), second threads (10) are uniformly assembled on the surface of the second screw body (8), first thread grooves (4) are formed between the first threads (5), second thread grooves (11) are formed between the second threads (10), crushing teeth (12) are uniformly sleeved on the second screw body (8) located in the plasticizing section (2), first gears (7) are sleeved on both ends of the surface of the first screw body (6), and second gears (9) are sleeved on both ends of the surface of the second screw body (8).
2. The high plasticizing dual-alloy barrel screw as claimed in claim 1, wherein the first gear (7) is in meshed engagement with the second gear (9), the diameter of the first gear (7) being 2 times that of the second gear (9).
3. The high plasticizing double-alloy barrel screw as claimed in claim 1, wherein the cross section of the first screw body (6) is crescent-shaped, and the first screw body (6) is wrapped outside the second screw body (8).
4. The high-plasticization double-alloy barrel screw rod according to claim 1, wherein the included angle between the crushing teeth (12) and the second thread (10) is 60 degrees, the crushing teeth (12) and the second screw rod body (8) are vertically arranged, and the gap between the crushing teeth (12) is one half of the width of the second thread groove (11).
5. The high plasticizing dual-alloy barrel screw as claimed in claim 1, wherein the first screw (5) and the second screw (10) are opposite in direction, and the first screw body (6) and the second screw body (8) are mated.
6. The high-plasticizing double-alloy barrel screw as claimed in claim 1, wherein the first screw body (6) and the second screw body (8) are made of 42CrMo alloy materials, and the first screw thread (5), the second screw thread (10) and the crushing teeth (12) are made of 42CrMo alloy materials.
7. The high plasticizing dual-alloy barrel screw as claimed in claim 1, wherein the first flights (5) are staggered with the second flights (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422454226.0U CN223173528U (en) | 2024-10-11 | 2024-10-11 | High plasticizing double alloy machine barrel screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422454226.0U CN223173528U (en) | 2024-10-11 | 2024-10-11 | High plasticizing double alloy machine barrel screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223173528U true CN223173528U (en) | 2025-08-01 |
Family
ID=96538044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422454226.0U Active CN223173528U (en) | 2024-10-11 | 2024-10-11 | High plasticizing double alloy machine barrel screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223173528U (en) |
-
2024
- 2024-10-11 CN CN202422454226.0U patent/CN223173528U/en active Active
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