CN215661752U - Thermostatic type plastic granule double screw extruder - Google Patents
Thermostatic type plastic granule double screw extruder Download PDFInfo
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- CN215661752U CN215661752U CN202122420302.2U CN202122420302U CN215661752U CN 215661752 U CN215661752 U CN 215661752U CN 202122420302 U CN202122420302 U CN 202122420302U CN 215661752 U CN215661752 U CN 215661752U
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Abstract
The utility model discloses a constant-temperature type plastic particle double-screw extruder which comprises an extruder and a feeding mechanism, wherein the feeding mechanism comprises a feeding hopper and a protection mechanism, the protection mechanism is arranged at the top of an inner cavity of the feeding hopper, the protection mechanism comprises two cover plates, two sides of one end of each cover plate are fixedly connected with connecting rods, a movable rod is arranged below each cover plate, the bottoms of the movable rods are connected with sleeves in a sliding and penetrating mode, and pressure springs are arranged in the inner cavities of the sleeves. When raw materials are added into the feed hopper, the raw materials fall on the upper surface of the cover plate, the cover plate drives the movable rod to rotate downwards together due to the gravity of the raw materials, the pressure spring is extruded in the inner cavity of the sleeve, the raw materials fall into the bottom of the feed hopper from one side opposite to the two cover plates, the cover plates are returned to the initial position by the elastic action of the pressure spring, the top of the feed hopper is protected, and the raw materials are prevented from jumping out and entering foreign matters.
Description
Technical Field
The utility model relates to the field of double-screw extruders, in particular to a constant-temperature plastic particle double-screw extruder.
Background
The double-screw extruder is developed on the basis of a single-screw extruder, and has the characteristics of good feeding performance, mixing and plasticizing performance, exhaust performance, extrusion stability and the like, so that the double-screw extruder is widely applied to molding and processing of extruded products at present.
Thermostatic type plastic granule double screw extruder is often used for the production manufacturing of plastic granule, adds the raw materials through the feeder hopper to the extruder in, through the heating melting of extruder, cooling and extrusion, produces, and common feeder hopper is uncovered setting mostly, and the raw materials is from feed inlet department's bounce out easily to external foreign matter is easy in getting into the extruder from the feeder hopper, influences the normal work of extruder.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a constant-temperature plastic particle double-screw extruder to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a constant-temperature plastic particle double-screw extruder comprises an extruder and a feeding mechanism, wherein the feeding mechanism is arranged on one side of the upper surface of the extruder;
the feeding mechanism comprises a feeding hopper and a protection mechanism, the bottom of the feeding hopper is fixedly and alternately connected with the top of the extruder, and the protection mechanism is arranged at the top of an inner cavity of the feeding hopper;
the protection mechanism comprises two cover plates, connecting rods are fixedly connected to two sides of one end of each cover plate, movable rods are arranged below the cover plates, sleeves are connected to the bottoms of the movable rods in a sliding and penetrating mode, and pressure springs are arranged in inner cavities of the sleeves.
Preferably, the lower surface of the cover plate is fixedly connected with a first connecting seat, a first rotating shaft is fixedly connected between the inner walls of the first connecting seat, and the first rotating shaft is rotatably and alternately connected with the top of the movable rod.
Preferably, the middle part of one side of the inner wall of the feeding hopper is fixedly connected with a second connecting seat, and a second rotating shaft is fixedly connected between the inner walls of the second connecting seat.
Preferably, the fixed ring of telescopic bottom fixedly connected with, the inner chamber and the rotation of axis of rotation two of fixed ring alternate and are connected.
Preferably, the top end of the sleeve is fixedly connected with a limiting ring, the inner cavity of the limiting ring is connected with the movable rod in a sliding and penetrating manner, and the bottom end of the movable rod is fixedly connected with a fixing block.
Preferably, the side wall of the fixed block is attached to the inner wall of the sleeve, and the lower surface of the fixed block is fixedly connected with the top end of the pressure spring.
The utility model has the technical effects and advantages that:
(1) according to the utility model, by utilizing the arrangement mode of matching the cover plate, the movable rod, the sleeve and the pressure spring, when raw materials are added into the feed hopper, the raw materials fall on the upper surface of the cover plate, the cover plate drives the movable rod to rotate downwards together due to the gravity of the raw materials, the pressure spring is extruded in the inner cavity of the sleeve, the raw materials fall into the bottom of the feed hopper from one side opposite to the two cover plates, and the cover plates are returned to the initial position by utilizing the elastic action of the pressure spring to protect the top of the feed hopper, so that the raw materials are prevented from jumping out and entering foreign matters;
(2) according to the utility model, the arrangement mode that the first rotating shaft and the second rotating shaft are matched is utilized, the top of the movable rod is rotatably connected with the lower surface of the cover plate through the first rotating shaft, and the bottom of the sleeve is rotatably connected with the inner wall of the feed hopper through the second rotating shaft, so that the movable rod and the sleeve move together with the rotation of the cover plate.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic side sectional view of the present invention at the feed hopper.
FIG. 3 is a side sectional view of the sleeve of the present invention.
Fig. 4 is an enlarged schematic view of the structure at a in fig. 3 according to the present invention.
In the figure: 1. an extruder; 2. a feeding mechanism; 21. a feed hopper; 22. a protection mechanism; 221. a cover plate; 222. a connecting rod; 223. a movable rod; 224. a sleeve; 225. a pressure spring; 3. a first connecting seat; 4. rotating a first shaft; 5. a second connecting seat; 6. a second rotating shaft; 7. a fixing ring; 8. a limiting ring; 9. and (5) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a constant-temperature type plastic particle double-screw extruder shown in figures 1-4, which comprises an extruder 1 and a feeding mechanism 2, wherein the extruder 1 is a main body of the constant-temperature type double-screw extruder and is used for processing and producing plastic particles, the feeding mechanism 2 is arranged on one side of the upper surface of the extruder 1, and the feeding mechanism 2 is used for adding raw materials into the extruder 1;
the feeding mechanism 2 comprises a feeding hopper 21 and a protection mechanism 22, the bottom of the feeding hopper 21 is fixedly connected with the top of the extruder 1 in a penetrating manner, the top of the feeding hopper 21 is square, raw materials are added into the extruder 1 through the feeding hopper 21, the protection mechanism 22 is arranged at the top of an inner cavity of the feeding hopper 21, and the protection mechanism 22 is used for sealing and protecting the top of the feeding hopper 21 and preventing the raw materials from splashing and foreign matters from falling into the feeding hopper 21;
the protection mechanism 22 comprises two cover plates 221, the cover plates 221 are square and made of light materials, the two cover plates 221 are symmetrically arranged and arranged at the top of an inner cavity of the feed hopper 21 and used for sealing the top of the feed hopper 21, both sides of one end of each cover plate 221 are fixedly connected with connecting rods 222, one ends of the connecting rods 222 are rotatably and alternately connected with the side surfaces of the feed hopper 21, one ends of the cover plates 221 rotate around the axes of the connecting rods 222, movable rods 223 are arranged below the cover plates 221, the movable rods 223 are arranged in the middle of the lower surfaces of the cover plates 221 and play a supporting role, sleeves 224 are slidably and alternately connected at the bottoms of the movable rods 223, the sleeves 224 are used for mounting the movable rods 223 and pressure springs 225, the bottoms of the movable rods 223 slide in the inner cavity of the sleeves 224, pressure springs 225 are arranged in the inner cavity of the sleeves 224, the bottom ends of the movable rods 223 extrude the pressure springs 225 so that the pressure springs 225 are compressed, when raw materials are added into the feed hopper 21, the raw materials fall on the upper surface of the cover plate 221, the cover plate 221 rotates downwards around the axis of the connecting rod 222 due to the gravity of the raw materials, the movable rod 223 is driven to move downwards together to extrude the pressure spring 225, the raw materials fall into the bottom of the feed hopper 21 from one side opposite to the two cover plates 221, and after the raw materials are added, the cover plates 221 return to the initial positions by the elastic action of the pressure spring 225;
the lower surface of the cover plate 221 is fixedly connected with a first connecting seat 3, the first connecting seat 3 is fixed in the middle of the lower surface of the cover plate 221 and used for mounting a movable rod 223, the first connecting seat 3 is C-shaped, a first rotating shaft 4 is fixedly connected between the inner walls of the first connecting seat 3, the first rotating shaft 4 is rotatably and alternately connected with the top of the movable rod 223, and the top of the movable rod 223 rotates around the first rotating shaft 4;
the middle of one side of the inner wall of the feed hopper 21 is fixedly connected with a second connecting seat 5, the second connecting seat 5 is fixed in the middle of the inner wall of the feed hopper 21, a second rotating shaft 6 is fixedly connected between the inner walls of the second connecting seats 5, the bottom end of the sleeve 224 is fixedly connected with a fixed ring 7, the inner cavity of the fixed ring 7 is rotatably and alternately connected with the second rotating shaft 6, the bottom of the sleeve 224 is rotatably connected with the second rotating shaft 6 through the fixed ring 7, and the bottom of the sleeve 224 rotates around the axis of the second rotating shaft 6;
the top end of the sleeve 224 is fixedly connected with a limiting ring 8, the inner cavity of the limiting ring 8 is connected with the movable rod 223 in a sliding and penetrating manner, the bottom end of the movable rod 223 is fixedly connected with a fixed block 9, the fixed block 9 is in a circular disc shape, the inner diameter of the limiting ring 8 is smaller than the diameter of the fixed block 9, the movement of the movable rod 223 is limited, the movable rod 223 is prevented from being separated from the sleeve 224, and the cover plate 221 cannot rotate to exceed the horizontal position;
the lateral wall of fixed block 9 is laminated with the inner wall of sleeve 224 mutually, and the lower surface of fixed block 9 and the top fixed connection of pressure spring 225 for movable rod 223 and sleeve 224 are stably connected.
The working principle of the utility model is as follows: when adding the raw materials into feeder hopper 21, the raw materials falls on the upper surface of apron 221, make apron 221 rotate downwards around the axle center of connecting rod 222 because raw materials gravity, drive movable rod 223 downstream together, extrude pressure spring 225 in the inner chamber of sleeve 224, the raw materials falls into the bottom of feeder hopper 21 from two relative one sides of apron 221, and after adding the raw materials, utilize the elastic action of pressure spring 225, make apron 221 return to initial position, simultaneously the top of movable rod 223 is rotated with the lower surface of apron 221 through axis of rotation one 4 and is connected, the bottom of sleeve 224 is rotated with the inner wall of feeder hopper 21 through axis of rotation two 6 and is connected, make movable rod 223 and sleeve 224 move along with the rotation of apron 221.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. A constant-temperature plastic particle double-screw extruder comprises an extruder (1) and a feeding mechanism (2), and is characterized in that the feeding mechanism (2) is arranged on one side of the upper surface of the extruder (1);
the feeding mechanism (2) comprises a feeding hopper (21) and a protection mechanism (22), the bottom of the feeding hopper (21) is fixedly and alternately connected with the top of the extruder (1), and the protection mechanism (22) is arranged at the top of an inner cavity of the feeding hopper (21);
protection machanism (22) include two apron (221), the equal fixedly connected with connecting rod (222) in both sides of apron (221) one end, the below of apron (221) is provided with movable rod (223), the bottom slip interlude of movable rod (223) is connected with sleeve (224), be provided with pressure spring (225) in the inner chamber of sleeve (224).
2. The constant-temperature plastic particle twin-screw extruder according to claim 1, wherein a first connecting seat (3) is fixedly connected to the lower surface of the cover plate (221), a first rotating shaft (4) is fixedly connected between the inner walls of the first connecting seat (3), and the first rotating shaft (4) is rotatably inserted into the top of the movable rod (223).
3. The constant-temperature plastic particle double-screw extruder as claimed in claim 1, wherein a second connecting seat (5) is fixedly connected to the middle of one side of the inner wall of the feeding hopper (21), and a second rotating shaft (6) is fixedly connected between the inner walls of the second connecting seat (5).
4. The constant-temperature plastic particle twin-screw extruder as claimed in claim 1, wherein a fixing ring (7) is fixedly connected to the bottom end of the sleeve (224), and an inner cavity of the fixing ring (7) is rotatably inserted into the second rotating shaft (6).
5. The constant-temperature plastic particle twin-screw extruder as claimed in claim 1, wherein a limiting ring (8) is fixedly connected to the top end of the sleeve (224), an inner cavity of the limiting ring (8) is slidably and alternately connected with the movable rod (223), and a fixed block (9) is fixedly connected to the bottom end of the movable rod (223).
6. The constant-temperature plastic particle twin-screw extruder as claimed in claim 5, wherein the side wall of the fixed block (9) is attached to the inner wall of the sleeve (224), and the lower surface of the fixed block (9) is fixedly connected with the top end of the pressure spring (225).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122420302.2U CN215661752U (en) | 2021-10-08 | 2021-10-08 | Thermostatic type plastic granule double screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122420302.2U CN215661752U (en) | 2021-10-08 | 2021-10-08 | Thermostatic type plastic granule double screw extruder |
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| Publication Number | Publication Date |
|---|---|
| CN215661752U true CN215661752U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122420302.2U Active CN215661752U (en) | 2021-10-08 | 2021-10-08 | Thermostatic type plastic granule double screw extruder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115476448A (en) * | 2022-10-26 | 2022-12-16 | 浙江大学台州研究院 | Environment-friendly plastic granulator |
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2021
- 2021-10-08 CN CN202122420302.2U patent/CN215661752U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115476448A (en) * | 2022-10-26 | 2022-12-16 | 浙江大学台州研究院 | Environment-friendly plastic granulator |
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