CN220841354U - Screw extruder for modified engineering plastics - Google Patents
Screw extruder for modified engineering plastics Download PDFInfo
- Publication number
- CN220841354U CN220841354U CN202322092096.6U CN202322092096U CN220841354U CN 220841354 U CN220841354 U CN 220841354U CN 202322092096 U CN202322092096 U CN 202322092096U CN 220841354 U CN220841354 U CN 220841354U
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- China
- Prior art keywords
- conveying
- rotating rod
- screw extruder
- stirring
- plastic melt
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- 229920006351 engineering plastic Polymers 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 148
- 238000003756 stirring Methods 0.000 claims abstract description 40
- 238000001125 extrusion Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 22
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 abstract description 46
- 239000004033 plastic Substances 0.000 abstract description 46
- 238000013019 agitation Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 4
- 230000003631 expected effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a screw extruder for modified engineering plastics, which comprises: the conveying and extruding device comprises a base, wherein one end of the base is provided with a conveying and extruding mechanism, one end of the conveying and extruding mechanism is provided with a control box, one end of the control box is provided with a hopper, and one end of the base is provided with a conveying support frame; according to the utility model, the plastic melt in the hopper can be stirred through the plurality of groups of stirring blades in the stirring mechanism, so that the plastic melt is mixed, the stirred and mixed plastic melt is blocked by the baffle in the control feeding mechanism, the two groups of control feeding mechanisms and the rotating rod of the conveying mechanism rotate together to control the amount of the plastic melt falling into the conveying extrusion mechanism, the blockage caused by excessive disposable feeding is prevented, the plastic melt can be mixed again by the spiral fan blades in the conveying extrusion mechanism and is conveyed to the discharge hole to be extruded from the discharge hole, and the plastic melt is stirred through the stirring mechanism and the conveying extrusion mechanism, so that the plastic melt is mixed more uniformly.
Description
Technical Field
The utility model relates to the technical field of extruder equipment, in particular to a screw extruder for modified engineering plastics.
Background
The modified plastic is plastic particles which are processed and modified by filling, blending, reinforcing and other methods on the basis of general plastic and engineering plastic and improve the performance of one or more aspects of flame retardance, strength, impact resistance, toughness and the like. The general-purpose plastic and engineering plastic are subjected to modification engineering, and an extruder is required to be mixed, wherein the extruder belongs to one of the types of plastic machinery, and in the extruder, the single screw extruder is the most basic and common in general. It mainly comprises: six parts such as transmission, feeding device, feed cylinder, screw rod, aircraft nose and bush, screw extruder relies on pressure and shearing force that the screw rod rotation produced, can make the material fully plasticize and evenly mix, through the bush shaping.
The existing single-screw extruder simply relies on a screw to mix plastic melt in the use process, but the single-screw extruder can not completely mix the plastic melt in the single-screw extruder during the use, so that the plastic melt in the single-screw extruder is unevenly mixed, the produced plastic can not achieve the expected effect, and unqualified products are produced.
Disclosure of utility model
The utility model aims at: the screw extruder for the modified engineering plastic aims to solve the problems that the existing single screw extruder simply relies on a screw to mix plastic melt in the single screw extruder in the use process, but the single screw extruder possibly cannot completely mix the plastic melt in the single screw extruder in the use process, so that the produced plastic cannot achieve the expected effect and produce unqualified products due to uneven mixing of the plastic melt in the single screw extruder.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a screw extruder for modifying engineering plastics, comprising: the automatic feeding device comprises a base, wherein one end of the base is provided with a conveying extrusion mechanism, one end of the conveying extrusion mechanism is provided with a control box, one end of the control box is provided with a hopper, one end of the base is provided with a conveying support frame, one end of the conveying support frame is provided with a conveying shell, an agitating mechanism is arranged in the hopper, a control feeding mechanism is arranged in the hopper, one end of the agitating mechanism is provided with an agitating support frame, and one end of the conveying shell is provided with a discharge hole.
As still further aspects of the utility model: the stirring mechanism is internally provided with a stirring mechanism motor, the stirring mechanism is internally provided with a fixed disk, the stirring mechanism is internally provided with a stirring mechanism rotating rod, the stirring mechanism is internally provided with a rotating shaft, and the stirring mechanism is internally provided with stirring blades.
As still further aspects of the utility model: the stirring mechanism motor is rotationally connected with the stirring mechanism rotating rod, and three groups of rotating shafts are arranged. Each group of rotating shafts is fixedly connected with four groups of stirring blades, and the stirring mechanism is fixedly connected with the hopper through the fixed disc.
As still further aspects of the utility model: the conveying extrusion mechanism is internally provided with a conveying mechanism motor, the conveying extrusion mechanism is internally provided with a speed reducer, the conveying extrusion mechanism is internally provided with a conveying mechanism rotating rod, and the conveying extrusion mechanism is internally provided with a spiral fan blade.
As still further aspects of the utility model: the conveying mechanism motor is fixedly connected with the speed reducer, the speed reducer is rotationally connected with the conveying mechanism rotating rod, and the spiral fan blade is fixedly connected with the conveying mechanism rotating rod.
As still further aspects of the utility model: the novel feeding device is characterized in that a first transmission gear is arranged in the control feeding mechanism, a second transmission gear is arranged in the control feeding mechanism, a feeding mechanism rotating rod is arranged in the control feeding mechanism, a baffle is arranged in the control feeding mechanism, a fixing screw is arranged in the control feeding mechanism, and a fixing shaft is arranged in the control feeding mechanism.
As still further aspects of the utility model: the first transmission gear is fixedly connected with the rotating rod of the conveying mechanism, the second transmission gear is fixedly connected with the rotating rod of the feeding mechanism, the first transmission gear is in meshed connection with the second transmission gear, the rotating rod of the feeding mechanism is fixedly connected with the baffle through the fixing screw, the feeding control mechanism is connected with the hopper through the fixing shaft, and two groups of feeding control mechanisms are arranged.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the plastic melt in the hopper can be stirred through the plurality of groups of stirring blades in the stirring mechanism, so that the plastic melt is mixed, the stirred and mixed plastic melt is blocked by the baffle in the control feeding mechanism, the two groups of control feeding mechanisms and the rotating rod of the conveying mechanism rotate together to control the amount of the plastic melt falling into the conveying extrusion mechanism, the blockage caused by excessive disposable feeding is prevented, the plastic melt can be mixed again by the spiral fan blades in the conveying extrusion mechanism and is conveyed to the discharge hole to be extruded from the discharge hole, and the plastic melt is stirred through the stirring mechanism and the conveying extrusion mechanism, so that the plastic melt is mixed more uniformly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a screw extruder for modified engineering plastics according to the present utility model.
Fig. 2 is a structural cross-sectional view of a hopper in a screw extruder for modified engineering plastics according to the present utility model.
Fig. 3 is a schematic structural view of an agitating mechanism in a screw extruder for modifying engineering plastics according to the present utility model.
Fig. 4 is a schematic structural view of a conveying and extruding mechanism in a screw extruder for modified engineering plastics according to the present utility model.
Fig. 5 is a schematic structural view of a control feeding mechanism in a screw extruder for modified engineering plastics according to the present utility model.
In the figure: 1. a base; 2. a conveying and extruding mechanism; 3. a control box; 4. a hopper; 5. a transport housing; 6. a conveying support frame; 7. an agitation mechanism; 8. controlling a feeding mechanism; 9. stirring the supporting frame; 10. an agitation mechanism motor; 11. a fixed plate; 12. a stirring mechanism rotating rod; 13. a rotating shaft; 14. an agitating blade; 15. a conveying mechanism motor; 16. a speed reducer; 17. a transfer mechanism rotating lever; 18. spiral fan blades; 19. a first transmission gear; 20. a transmission gear II; 21. a feed mechanism rotating rod; 22. a baffle; 23. a set screw; 24. a fixed shaft; 25. and a discharge port.
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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
Referring to fig. 1 and 2, in an embodiment of the present utility model, a screw extruder for modifying engineering plastics includes: base 1, base 1 one end is provided with conveying extrusion mechanism 2, and conveying extrusion mechanism 2 one end is provided with control box 3, and control box 3 one end is provided with hopper 4, and base 1 one end is provided with conveying support frame 6, and conveying support frame 6 one end is provided with conveying shell 5, is provided with stirring mechanism 7 in the hopper 4, is provided with control feed mechanism 8 in the hopper 4, and stirring mechanism 7 one end is provided with stirring support frame 9, and conveying shell 5 one end is provided with discharge gate 25.
Referring to fig. 3, an agitation mechanism motor 10 is provided in the agitation mechanism 7, a fixed disk 11 is provided in the agitation mechanism 7, an agitation mechanism rotating rod 12 is provided in the agitation mechanism 7, a rotating shaft 13 is provided in the agitation mechanism 7, and agitation blades 14 are provided in the agitation mechanism 7, whereby the plastic melt in the hopper 4 can be agitated and mixed by the agitation mechanism 7.
Referring to fig. 3, the agitation mechanism motor 10 is rotatably connected to the agitation mechanism rotating shaft 12, and the number of the rotating shafts 13 is provided with three groups; each group of rotating shafts 13 is fixedly connected with four groups of stirring blades 14, the stirring mechanism 7 is fixedly connected with the hopper 4 through a fixed disc 11, and the stirring efficiency of the stirring mechanism 7 is improved by the plurality of groups of stirring blades 14.
Referring to fig. 4, a conveyor motor 15 is provided in the conveyor press 2, a speed reducer 16 is provided in the conveyor press 2, a conveyor turning lever 17 is provided in the conveyor press 2, and a screw blade 18 is provided in the conveyor press 2, so that the plastic melt can be conveyed and pressed by the conveyor press 2. Referring to fig. 4, the conveyor motor 15 is fixedly connected with the speed reducer 16, the speed reducer 16 is rotatably connected with the conveyor rotating rod 17, the screw fan blade 18 is fixedly connected with the conveyor rotating rod 17, and the screw fan blade 18 can mix the plastic melt again and provide extrusion force for the subsequent molding.
Referring to fig. 5, a first transmission gear 19 is arranged in the control feeding mechanism 8, a second transmission gear 20 is arranged in the control feeding mechanism 8, a feeding mechanism rotating rod 21 is arranged in the control feeding mechanism 8, a baffle 22 is arranged in the control feeding mechanism 8, a fixed screw 23 is arranged in the control feeding mechanism 8, a fixed shaft 24 is arranged in the control feeding mechanism 8, and the control feeding mechanism 8 can control the quantity of plastic melt entering the conveying extrusion mechanism 2 from the hopper 4, so that blockage caused by excessive disposable feeding is prevented.
Referring to fig. 5, a first transmission gear 19 is fixedly connected with a rotating rod 17 of the conveying mechanism, a second transmission gear 20 is fixedly connected with a rotating rod 21 of the feeding mechanism, the first transmission gear 19 is in meshed connection with the second transmission gear 20, the rotating rod 21 of the feeding mechanism is fixedly connected with a baffle 22 through a fixed screw 23, the feeding control mechanism 8 is connected with the hopper 4 through a fixed shaft 24, two groups of the feeding control mechanism 8 are arranged, the two groups of the feeding control mechanism 8 and the rotating rod 17 of the conveying mechanism rotate together, feeding is prevented when the baffle 22 is flush, and when the baffle 22 generates an angle, plastic melt falls into the conveying extrusion mechanism 2 from gaps between the two groups of the feeding control mechanism 8.
The working principle of the utility model is as follows: when in use, molten plastic is led into the hopper 4, the extruder is operated through the control box 3, the stirring mechanism 7 stirs the plastic melt, the stirred plastic melt falls into the conveying shell 5 through the control feeding mechanism 8, the screw fan blades 18 in the conveying extrusion mechanism 2 mix the plastic melt again and convey the plastic melt to the discharge hole 25, and the plastic melt is extruded from the discharge hole 25 through the pressure brought by the conveying extrusion mechanism 2; the plastic melt in the hopper 4 can be stirred by a plurality of groups of stirring blades 14 in the stirring mechanism 7, so that the plastic melt is mixed, the stirred and mixed plastic melt is blocked by a baffle 22 in the control feeding mechanism 8, the two groups of control feeding mechanism 8 and the conveying mechanism rotating rod 17 rotate together, the amount of the plastic melt falling into the conveying extrusion mechanism 2 is controlled, the plastic melt is prevented from being blocked due to excessive disposable feeding, the plastic melt can be remixed by a spiral fan blade 18 in the conveying extrusion mechanism 2 and is conveyed to a discharge hole 25 to be extruded from the discharge hole 25, and the plastic melt is stirred by the stirring mechanism 7 and the conveying extrusion mechanism 2, so that the plastic melt is more uniformly mixed.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. A screw extruder for modifying engineering plastics, comprising: base (1), its characterized in that, base (1) one end is provided with conveying extrusion mechanism (2), conveying extrusion mechanism (2) one end is provided with control box (3), control box (3) one end is provided with hopper (4), base (1) one end is provided with conveying support frame (6), conveying support frame (6) one end is provided with conveying shell (5), be provided with stirring mechanism (7) in hopper (4), be provided with control feed mechanism (8) in hopper (4), stirring mechanism (7) one end is provided with stirring support frame (9), conveying shell (5) one end is provided with discharge gate (25).
2. The screw extruder for modified engineering plastics according to claim 1, wherein an agitating mechanism motor (10) is arranged in the agitating mechanism (7), a fixed disc (11) is arranged in the agitating mechanism (7), an agitating mechanism rotating rod (12) is arranged in the agitating mechanism (7), a rotating shaft (13) is arranged in the agitating mechanism (7), and agitating blades (14) are arranged in the agitating mechanism (7).
3. Screw extruder for modified engineering plastics according to claim 2, characterized in that the stirring mechanism motor (10) is rotationally connected with the stirring mechanism rotating rod (12), the number of the rotating shafts (13) is three, each group of the rotating shafts (13) is fixedly connected with four groups of stirring blades (14), and the stirring mechanism (7) is fixedly connected with the hopper (4) through the fixed disc (11).
4. The screw extruder for modified engineering plastics according to claim 1, wherein a conveying mechanism motor (15) is arranged in the conveying extrusion mechanism (2), a speed reducer (16) is arranged in the conveying extrusion mechanism (2), a conveying mechanism rotating rod (17) is arranged in the conveying extrusion mechanism (2), and a spiral fan blade (18) is arranged in the conveying extrusion mechanism (2).
5. The screw extruder for modified engineering plastics according to claim 4, wherein the conveying mechanism motor (15) is fixedly connected with the speed reducer (16), the speed reducer (16) is rotatably connected with the conveying mechanism rotating rod (17), and the screw fan blade (18) is fixedly connected with the conveying mechanism rotating rod (17).
6. The screw extruder for modified engineering plastics according to claim 1, wherein a first transmission gear (19) is arranged in the control feeding mechanism (8), a second transmission gear (20) is arranged in the control feeding mechanism (8), a feeding mechanism rotating rod (21) is arranged in the control feeding mechanism (8), a baffle plate (22) is arranged in the control feeding mechanism (8), a fixing screw (23) is arranged in the control feeding mechanism (8), and a fixing shaft (24) is arranged in the control feeding mechanism (8).
7. The screw extruder for modified engineering plastics according to claim 6, wherein the first transmission gear (19) is fixedly connected with a transmission mechanism rotating rod (17), the second transmission gear (20) is fixedly connected with the feeding mechanism rotating rod (21), the first transmission gear (19) is meshed with the second transmission gear (20), the feeding mechanism rotating rod (21) is fixedly connected with the baffle plate (22) through a fixing screw (23), the control feeding mechanism (8) is connected with the hopper (4) through a fixing shaft (24), and the number of the control feeding mechanisms (8) is provided with two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322092096.6U CN220841354U (en) | 2023-08-04 | 2023-08-04 | Screw extruder for modified engineering plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322092096.6U CN220841354U (en) | 2023-08-04 | 2023-08-04 | Screw extruder for modified engineering plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220841354U true CN220841354U (en) | 2024-04-26 |
Family
ID=90777067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322092096.6U Active CN220841354U (en) | 2023-08-04 | 2023-08-04 | Screw extruder for modified engineering plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220841354U (en) |
-
2023
- 2023-08-04 CN CN202322092096.6U patent/CN220841354U/en active Active
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