CN115366376A

CN115366376A - Single screw extruder

Info

Publication number: CN115366376A
Application number: CN202211035450.5A
Authority: CN
Inventors: 林德舞; 林秀平; 庄晖
Original assignee: Anhui Yihua Technology Co ltd
Current assignee: Anhui Yihua Technology Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-11-22

Abstract

The invention relates to the technical field of extruders, in particular to a single-screw extruder which comprises an extruder body and a feed hopper arranged at the top of the extruder body, wherein a feeding mechanism matched with the feed hopper and used for adding raw materials is arranged on one side of the extruder body, a crushing mechanism used for crushing the raw materials is arranged on the inner side of the feed hopper, a connecting pipe communicated with the inside of the extruder body is fixedly arranged at the bottom of the feed hopper, and the crushing mechanism comprises a filter screen fixedly arranged on the inner side of the feed hopper and a first rotating shaft arranged on the filter screen. The invention is convenient for preheating and drying the raw material more fully in the machine body, prevents the raw material added into the machine body from still having moisture, improves the quality of the extruded plastic product of the extruder, is favorable for avoiding the condition that the large-particle raw material is not completely preheated and dried due to different sizes of the granular raw material added into the feed hopper, is convenient for workers to quickly add the raw material into the feed hopper through the feeding device, and improves the processing efficiency of the single-screw extruder.

Description

Single screw extruder

Technical Field

The invention relates to the technical field of extruders, in particular to a single-screw extruder.

Background

The screw extruder is mainly used for extruding various plastic products, and comprises an extrusion system, a transmission and control system, a heating and cooling system and other three parts, after a granular plastic raw material is added into the current single screw extruder, the current single screw extruder needs to be preheated and dried firstly, and then is processed, but the granular raw material added into an extruder feed hopper is different in size, the large granular raw material is not thoroughly preheated and dried, and cannot be sufficiently dried, so that moisture still exists in the large granular raw material, the quality of the extrusion-molded plastic products is influenced, and the daily actual use requirement of the single screw extruder is difficult to meet.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a single-screw extruder, which overcomes the defect that large-particle raw materials are not completely preheated and dried due to different sizes of the particle raw materials added into a feed hopper of the extruder, and achieves the purpose of crushing the large-particle raw materials into small particles and fully preheating and drying the small particles.

In order to solve the technical problems, the invention provides the following technical scheme: a single-screw extruder comprises an extruder body and a feed hopper arranged at the top of the extruder body, wherein a feeding mechanism matched with the feed hopper and used for adding raw materials is arranged on one side of the extruder body, a crushing mechanism used for crushing the raw materials is arranged on the inner side of the feed hopper, and a connecting pipe communicated with the inside of the extruder body is fixedly arranged at the bottom of the feed hopper;

the crushing mechanism comprises a filter screen fixedly arranged on the inner side of a feed hopper and a first rotating shaft arranged on the filter screen, wherein a first stirring rod is fixed to the bottom of the first rotating shaft in a penetrating mode, a crushing cutter fixed to the first rotating shaft is arranged at the top of the filter screen, a second rotating shaft is arranged at the top of the inner side of the feed hopper, a limiting barrel is arranged between the first rotating shaft and the second rotating shaft, a first end face gear is rotatably connected to the bottom of the inner side of the limiting barrel, the top of the first rotating shaft penetrates through the limiting barrel and is fixedly connected with the end face gear, a second end face gear connected with the limiting barrel in a rotating mode is arranged at the top of the first end face gear, a second stirring rod is fixedly arranged in the middle of the second rotating shaft and is in meshing transmission with the two sides of the first end face gear and the second end face gear and is rotatably connected with the limiting barrel through a bearing, a plurality of supporting rods distributed in a circumferential array are fixed to the bottom of the limiting barrel, and the crushing mechanism further comprises a transmission assembly arranged at the top of the feed hopper and used for driving the second rotating shaft to rotate.

Furthermore, the transmission assembly comprises a protective shell fixedly arranged at the top of the feeding hopper, a second bevel gear fixed to the top of a second rotating shaft is arranged at the bottom of the inner side of the protective shell, the top of the second rotating shaft is connected with the feeding hopper in a rotating mode through a bearing, a first bevel gear is meshed with one side of the top of the second bevel gear in a driving mode, a movable shaft connected with the protective shell in a rotating mode through the bearing is fixed to one side of the bevel gear, and the transmission assembly further comprises a universal joint fixedly arranged on one side of the outer portion of the protective shell and fixedly connected with one end of the movable shaft.

Furthermore, feed mechanism is including setting up the conveyer pipe in feeder hopper one side to and set up in the conveyer pipe inboard and rather than the screw axis of rotating through the bearing and being connected, the conveyer pipe is run through at the screw axis top and universal joint bottom fixed connection, the screw axis outside is fixed with the transport blade that is used for carrying the raw materials, the conveyer pipe bottom is equipped with and is used for driving the rotatory motor of screw axis, motor one side is fixed with the link fixed with the organism.

Further, conveyer pipe bottom one side is fixed with the feeding funnel rather than being linked together, conveyer pipe top one side is fixed with the discharging pipe rather than being linked together, and the feed inlet has been seted up to feeder hopper top one side surface, discharging pipe bottom one end and feed inlet phase-match and with feeder hopper fixed connection.

Furthermore, the inner side of the connecting pipe is provided with a closure assembly for controlling blanking, the closure assembly comprises a closure plate which is arranged on the inner side of the connecting pipe and is rotatably connected with the connecting pipe, one side of the closure plate is rotatably connected with the connecting pipe through a bearing, one side of the outer side of the connecting pipe is provided with a screw cap, and one side of the screw cap is fixedly provided with a connecting shaft which penetrates through the connecting pipe and is fixed with the closure plate.

Further, both ends of one side of the screw cap are provided with arc-shaped rods fixed with the connecting pipe, an arc-shaped sliding groove is formed in the surface of one side of each arc-shaped rod, both sides of the connecting shaft are respectively fixed with limiting sliding rods in sliding connection with the arc-shaped sliding grooves, and one ends of the limiting sliding rods are respectively fixed with both ends of the arc-shaped rods through magnetic connection.

Furthermore, the bottom of one end of the cut-off plate is provided with a first stop lever fixed with the connecting pipe, and the top of the other end of the cut-off plate is provided with a second stop lever fixed with the connecting pipe.

Furthermore, an observation window for observing raw materials in the feed hopper is fixedly embedded in one side of the bottom of the feed hopper.

Furthermore, the two sides of the top of the filter screen are respectively provided with a movable scraping rod fixed with the rotating shaft, and the movable scraping rods are positioned on the filter screen and are rotatably connected with the inner side of the feed hopper.

By means of the technical scheme, the invention provides a single-screw extruder which at least has the following beneficial effects:

1. according to the invention, the crushing mechanism is arranged in the feed hopper to crush the added raw materials into small particles, the two pairs of the added raw materials are fully mixed through the rotating stirring rod, meanwhile, the raw materials on the inner side of the feed hopper are crushed by the rotating crushing knife, and the crushed raw materials fall into the bottom of the feed hopper through the filter screen, so that the raw materials are preheated and dried more fully in the machine body, the raw materials added into the machine body are prevented from still containing moisture, the quality of a plastic product extruded by an extruder is improved, and the condition that the large-particle raw materials are not preheated and dried completely due to different sizes of the granular raw materials added into the feed hopper is avoided.

2. According to the single-screw extruder, the feeding mechanism is arranged to add raw materials into the feeding hopper, the raw materials are added into the feeding hopper, the motor is started at the same time, the motor drives the screw shaft and the conveying blades to rotate, the raw materials are conveyed to the top of the conveying pipe and then enter the feeding hopper through the discharging pipe on one side of the top of the conveying pipe, the operation is convenient and rapid, workers can conveniently and rapidly add the raw materials into the feeding hopper through the feeding device, the inconvenience of adding the raw materials by the workers is reduced, and the processing efficiency of the single-screw extruder is improved.

3. According to the invention, the intercepting component is arranged in the connecting pipe, the extruder needs to be heated before working and simultaneously carries out feeding, after the extruder body is heated, the rotating cap is rotated, the rotating cap drives the connecting shaft to rotate for 90 degrees, the connecting shaft drives the intercepting plate to rotate to a vertical state, meanwhile, the connecting shaft drives the limiting slide rod to rotate, and one end of the limiting slide rod is fixed with the other end of the arc-shaped rod through magnetic connection after rotating for 90 degrees, so that the intercepting plate is fixed, raw materials in the connecting pipe can fall into the extruder body for extrusion operation, the control of feeding time is facilitated, and the extruder is more flexible in working.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a partial front perspective cut-away view of the present invention;

FIG. 3 is a side perspective cut-away view of the present invention;

FIG. 4 is a schematic illustration of an explosive structure of the crushing mechanism of the present invention;

FIG. 5 is a schematic illustration of an explosive mechanism of the charging mechanism of the present invention;

FIG. 6 is an exploded view of the transmission assembly of the present invention;

fig. 7 is an exploded view of the shutoff assembly of the present invention;

FIG. 8 is an enlarged view of the part A of FIG. 2;

fig. 9 is an enlarged view of the part B of fig. 3.

In the figure: 1. a body; 2. a feed hopper; 3. a feeding mechanism; 31. a delivery pipe; 32. a screw shaft; 33. a conveying blade; 34. a motor; 35. a connecting frame; 36. feeding a hopper; 37. a discharge pipe; 4. a crushing mechanism; 40. a filter screen; 41. a first rotating shaft; 42. a first stirring rod; 43. a first face gear; 44. a crushing knife; 45. a second rotating shaft; 46. a second face gear; 47. a limiting barrel; 48. a transmission gear; 49. a transmission assembly; 491. a protective housing; 492. a second bevel gear; 493. a first bevel gear; 494. a movable shaft; 495. a universal joint; 5. a connecting pipe; 6. a flow closure assembly; 61. a shutoff plate; 62. screwing the cap; 63. a connecting shaft; 64. an arcuate bar; 65. an arc-shaped chute; 66. a limiting slide bar; 7. and (6) an observation window.

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.

Example one

Fig. 1-6 and 8-9 illustrate an embodiment of the present invention: the utility model provides a single screw extruder, which comprises a bod 1, and set up in the feeder hopper 2 at 1 top of organism, 1 one side of organism is equipped with the feed mechanism 3 that is used for adding the raw materials with feeder hopper 2 phase-match, organism 1 is the extruder promptly, belong to technical staff's common general knowledge in the field, do not give unnecessary details in this scheme of its inner structure, 2 inboard broken mechanisms 4 that are used for broken raw materials that are equipped with of feeder hopper, 2 fixed connecting pipes 5 that are provided with in the bottom of feeder hopper and organism 1, 2 fixed the inlaying in one side of feeder hopper bottom is equipped with the observation window 7 that is used for observing 2 interior raw materialss of feeder hopper, observation window 7 is favorable to observing the content of 2 interior raw materialss of feeder hopper, thereby decide reinforced progress.

Feed mechanism 3 is arranged in adding the raw materials to feeder hopper 2, and crushing mechanism 4 is arranged in breaking into the small granule raw materials with the large granule raw materials in feeder hopper 2 to preheat dry more abundant to the raw materials at organism 1, prevent to add the raw materials in the organism 1 and still have moisture, promoted the quality that the extruder extruded into molded plastic products.

The crushing mechanism 4 comprises a filter screen 40 fixedly arranged on the inner side of the feed hopper 2, and a first rotating shaft 41 arranged on the filter screen 40, a first stirring rod 42 is fixedly arranged at the bottom of the first rotating shaft 41 by penetrating through the filter screen 40, a crushing cutter 44 fixed with the first rotating shaft 41 is arranged at the top of the filter screen 40, movable scraping rods fixed with the first rotating shaft 41 are arranged on two sides of the top of the filter screen 40, the movable scraping rods are positioned on the filter screen 40 and are rotatably connected with the inner side of the feed hopper 2, a second rotating shaft 45 is arranged at the top of the inner side of the feed hopper 2, a limiting barrel 47 is arranged between the first rotating shaft 41 and the second rotating shaft 45, a first end gear 43 is rotatably connected with the first rotating shaft 41 by penetrating through the limiting barrel 47, a second end gear 46 is fixedly connected with the second rotating shaft 45 by penetrating through the limiting barrel 47 at the bottom of the second rotating shaft 45, a second stirring rod is fixedly arranged in the middle of the second rotating shaft 45, a transmission gear 48 rotatably connected with the limiting barrel 47 by a bearing is meshed with the two end gears 48 arranged on two sides between the first rotating shaft 43 and the second end gear 46, the rotating shaft 43, and the rotating shaft 45, and the rotating transmission gear 46, the rotating transmission gear 45, and the rotating transmission gear 45 is arranged on the rotating shaft, and the rotating transmission gear 45, and the rotating transmission mechanism, and the rotating transmission gear 45.

Specifically, the transmission assembly 49 includes a protection housing 491 fixedly disposed at the top of the feeding hopper 2, a second bevel gear 492 fixed to the top of a second rotating shaft 45 is disposed at the bottom of the inner side of the protection housing 491, the top of the second rotating shaft 45 is rotatably connected to the feeding hopper 2 through a bearing, a first bevel gear 493 is engaged with one side of the top of the second bevel gear 492, a movable shaft 494 rotatably connected to the protection housing 491 through a bearing is fixed to the first bevel gear 493, and the transmission assembly 49 further includes a universal joint 495 disposed at one side of the outer portion of the protection housing 491 and fixedly connected to one end of the movable shaft 494.

Specifically, feed mechanism 3 is including setting up in the conveyer pipe 31 of feeder hopper 2 one side, and set up in conveyer pipe 31 inboard and rather than the screw axis 32 of being connected through the bearing rotation, conveyer pipe 31 and universal joint 495 bottom fixed connection are run through at screw axis 32 top, the screw axis 32 outside is fixed with the conveyor blade 33 that is used for carrying the raw materials, conveyer pipe 31 bottom is equipped with and is used for driving the rotatory motor 34 of screw axis 32, motor 34 one side is fixed with the link 35 fixed with organism 1, conveyer pipe 31 bottom one side is fixed with the feeding funnel 36 that is linked together with it, conveyer pipe 31 top one side is fixed with the discharging pipe 37 that is linked together with it, the feed inlet has been seted up to feeder hopper 2 top one side surface, discharging pipe 37 bottom one end and feed inlet phase-match and with feeder hopper 2 fixed connection.

The specific implementation process of the implementation is as follows: before plastic products are extruded, firstly, a heating system of the machine body 1 is started to heat so as to ensure that each part of the machine body 1 reaches a certain temperature, and the extrusion operation is better performed, then, raw materials of the plastic products are added into a charging hopper 36, meanwhile, a motor 34 is started and runs, an output end of the motor 34 drives a screw shaft 32 to rotate, the screw shaft 32 drives a conveying blade 33 to rotate, the conveying blade 33 conveys the raw materials at the bottom of the conveying pipe 31 to the top of the conveying pipe 31 while rotating, then, the raw materials enter the feeding hopper 2 through a discharging pipe 37 on one side of the top of the conveying pipe 31, large-particle raw materials fall on a filter screen 40, and small-particle raw materials fall into the bottom of the feeding hopper 2 through the filter screen 40;

when the screw shaft 32 rotates, the screw shaft 32 drives the universal joint 495 at the top of the screw shaft to rotate, the universal joint 495 drives the movable shaft 494 at one end of the screw shaft to rotate, the movable shaft 494 drives the bevel gear 493 at the end of the screw shaft 494 to rotate, the bevel gear 493 drives the bevel gear 492 at one side of the bottom of the screw shaft to rotate, the bevel gear 492 drives the rotary shaft 45 at the bottom of the screw shaft to rotate, the rotary shaft 45 drives the end face gear 46 at the bottom of the screw shaft to rotate, the end face gear 46 drives the transmission gear 48 at the bottom of the screw shaft to rotate, the transmission gear 48 drives the end face gear 43 at the bottom of the screw shaft to rotate, the end face gear 43 drives the rotary shaft 41 at the bottom of the screw shaft to rotate, the rotary shaft 41 and the rotary shaft 45 rotate in opposite directions, the rotary shaft 41 drives the crushing knife 44 at the bottom of the rotary shaft to rotate, the crushing knife 44 crushes large-particle raw materials, the large particle raw materials are crushed into small particles, the small particles fall into the bottom of the feed hopper 2 through the filter screen 40, and the movable scraping rod is driven by the rotary shaft 41 to rotate on the filter screen 40, so that the small particle raw materials can more thoroughly fall into the bottom of the inner side of the feed hopper 2;

meanwhile, two 45 drive the large granule raw materials at two pairs of 2 inboard tops of feeder hopper of puddler of rotation axis stir, rotation axis one 41 drives puddler one 42 and stirs the tiny particle raw materials of 2 inboard bottoms of feeder hopper, when carrying out the material loading to multiple raw materials, drive puddler one 42 and puddler two 45 respectively through rotation axis one 41 and rotation axis and stir in the raw materials, make the raw materials mix more evenly, be favorable to having promoted the quality that the extruder extruded into molded plastic products.

Example two

FIG. 7 is an embodiment of the present invention: the inner side of the connecting pipe 5 is provided with an interception component 6 for controlling blanking, the interception component 6 comprises an interception plate 61 which is arranged on the inner side of the connecting pipe 5 and is rotatably connected with the connecting pipe 5, one side of the interception plate 61 is rotatably connected with the connecting pipe 5 through a bearing, one side of the outer side of the connecting pipe 5 is provided with a screw cap 62, one side of the screw cap 62 is fixedly provided with a connecting shaft 63 which penetrates through the connecting pipe 5 and is fixed with the interception plate 61, two ends of one side of the screw cap 62 are respectively provided with an arc-shaped rod 64 fixed with the connecting pipe 5, the surface of one side of the arc-shaped rod 64 is provided with an arc-shaped sliding groove 65, two sides of the connecting shaft 63 are respectively fixedly provided with a limit sliding rod 66 in sliding connection with the arc-shaped sliding groove 65, one end of the limit sliding rod 66 is respectively and fixedly connected with two ends of the arc-shaped rod 64 through magnetism, the bottom of one end of the interception plate 61 is provided with a first stop rod fixed with the connecting pipe 5, the top of the other end of the interception plate 61 is provided with a second stop rod which provides a certain supporting function when the interception plate 61 is in a horizontal state.

The specific implementation process of the implementation is as follows: raw material particles crushed into uniform sizes in the feeding hopper 2 fall on the intercepting plate 61, after the heating of the machine body 1 is completed, the rotating cap 62 is rotated by rotating, the rotating cap 62 drives the connecting shaft 63 on one side of the rotating cap to rotate by 90 degrees, the connecting shaft 63 drives the intercepting plate 61 to rotate to a vertical state, meanwhile, the connecting shaft 63 drives the limiting slide bar 66 to rotate, one end of the limiting slide bar 66 slides on the inner side of the arc-shaped sliding groove 65, one end of the limiting slide bar 66 rotates by 90 degrees and then is connected and fixed with the other end of the arc-shaped bar 64 through magnetism, so that the intercepting plate 61 is fixed, the raw materials in the connecting pipe 5 can fall into the machine body 1 to be extruded, and then plastic products are manufactured through an extruder.

In the using process of the invention, firstly, a heating system of a machine body 1 is started for heating, then, the raw materials of plastic products are added into an upper hopper 36, meanwhile, a motor 34 is started, the motor 34 runs, the output end of the motor 34 drives a screw shaft 32 to rotate, the screw shaft 32 drives a conveying blade 33 to rotate, the conveying blade 33 rotates and simultaneously conveys the raw materials at the bottom of the conveying pipe 31 to the top of the conveying pipe 31, then, the raw materials enter the upper hopper 2 through a discharging pipe 37 at one side of the top of the conveying pipe 31, large-particle raw materials fall on a filter screen 40, and small-particle raw materials fall into the bottom of the upper hopper 2 through the filter screen 40;

when the screw shaft 32 rotates, the screw shaft 32 drives the universal joint 495 at the top of the screw shaft to rotate, the universal joint 495 drives the movable shaft 494 at one end of the screw shaft to rotate, the movable shaft 494 drives the bevel gear 493 at the end of the screw shaft to rotate, the bevel gear 493 drives the bevel gear 492 at one side of the bottom of the screw shaft to rotate, the bevel gear 492 drives the rotating shaft 45 at the bottom of the screw shaft to rotate, the rotating shaft 45 drives the end face gear 46 at the bottom of the screw shaft to rotate, the end face gear 46 drives the transmission gear 48 at the bottom of the screw shaft to rotate, the transmission gear 48 drives the end face gear 43 at the bottom of the screw shaft to rotate, the end face gear 43 drives the rotating shaft 41 at the bottom of the screw shaft to rotate, the rotating shaft 41 and the rotating shaft 45 respectively rotate in opposite directions, the rotating shaft 41 drives the crushing cutter 44 at the bottom of the rotating shaft to rotate, the crushing cutter 44 crushes large-particle raw materials, the large-particle raw materials are crushed into small particles, fall into the bottom of the feed hopper 2 through the filter screen 40, the rotating shaft 41 drives the movable scraping rod to rotate on the filter screen 40, and the cut-off plate 61, and the raw material particles crushed into uniform size in the feed hopper 2 fall onto the cut-off plate 61;

after the heating of the machine body 1 is completed, the rotating cap 62 is rotated, the rotating cap 62 drives the connecting shaft 63 on one side of the rotating cap 62 to rotate for 90 degrees, the connecting shaft 63 drives the intercepting plate 61 to rotate to a vertical state, meanwhile, the connecting shaft 63 drives the limiting slide bar 66 to rotate, one end of the limiting slide bar 66 slides on the inner side of the arc-shaped sliding groove 65, one end of the limiting slide bar 66 rotates for 90 degrees and then is connected and fixed with the other end of the arc-shaped bar 64 through magnetism, so that the intercepting plate 61 is fixed, raw materials in the connecting pipe 5 can fall into the machine body 1, meanwhile, the extrusion system of the machine body 1 is started, and plastic products are manufactured through an extruder.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a single screw extruder, includes organism (1) to and set up in feeder hopper (2) at organism (1) top, its characterized in that: a feeding mechanism (3) which is matched with the feeding hopper (2) and used for adding raw materials is arranged on one side of the machine body (1), a crushing mechanism (4) used for crushing the raw materials is arranged on the inner side of the feeding hopper (2), and a connecting pipe (5) which is communicated with the interior of the machine body (1) is fixedly arranged at the bottom of the feeding hopper (2);

both sides all mesh the transmission between face gear (43) and face gear two (46) and have and rotate drive gear (48) of being connected through the bearing with spacing bucket (47), and spacing bucket (47) bottom is fixed with a plurality of bracing pieces that are circumference array distribution, and crushing mechanism (4) still are including setting up in feeder hopper (2) top and being used for driving rotation axis two (45) pivoted drive assembly (49).

2. A single screw extruder according to claim 1, wherein: the transmission assembly (49) comprises a protection shell (491) fixedly arranged at the top of the feed hopper (2), a bevel gear II (492) fixed to the top of a rotating shaft II (45) is arranged at the bottom of the inner side of the protection shell (491), the top of the rotating shaft II (45) is rotatably connected with the feed hopper (2) through a bearing, a bevel gear I (493) is meshed with one side of the top of the bevel gear II (492) in a transmission manner, a movable shaft (494) rotatably connected with the protection shell (491) through a bearing is fixed to the side of the bevel gear I (493), and the transmission assembly (49) further comprises a universal joint (495) which is arranged on one side of the outer portion of the protection shell (491) and is fixedly connected with one end of the movable shaft (494).

3. A single screw extruder according to claim 2, wherein: feed mechanism (3) are including setting up conveyer pipe (31) in feeder hopper (2) one side to and set up in conveyer pipe (31) inboard and rather than screw axis (32) of being connected through the bearing rotation, conveyer pipe (31) and universal joint (495) bottom fixed connection are run through at screw axis (32) top, the screw axis (32) outside is fixed with conveying blade (33) that are used for carrying the raw materials, conveyer pipe (31) bottom is equipped with and is used for driving motor (34) of screw axis (32) rotation, motor (34) one side is fixed with link (35) fixed with organism (1).

4. A single screw extruder according to claim 3, wherein: conveyer pipe (31) bottom one side is fixed with feeding funnel (36) rather than being linked together, conveyer pipe (31) top one side is fixed with discharging pipe (37) rather than being linked together, and the feed inlet has been seted up to feeder hopper (2) top side surface, discharging pipe (37) bottom one end and feed inlet phase-match and with feeder hopper (2) fixed connection.

5. A single screw extruder according to claim 1, wherein: the blanking control device is characterized in that an intercepting component (6) used for controlling blanking is arranged on the inner side of the connecting pipe (5), the intercepting component (6) comprises an intercepting plate (61) which is arranged on the inner side of the connecting pipe (5) and is rotationally connected with the connecting pipe (5) through a bearing, a rotating cap (62) is arranged on one side of the outer side of the connecting pipe (5), and a connecting shaft (63) which penetrates through the connecting pipe (5) and is fixed with the intercepting plate (61) is fixed on one side of the rotating cap (62).

6. A single screw extruder according to claim 5, wherein: the two ends of one side of the screw cap (62) are respectively provided with an arc-shaped rod (64) fixed with the connecting pipe (5), an arc-shaped sliding groove (65) is formed in the surface of one side of the arc-shaped rod (64), two sides of the connecting shaft (63) are respectively fixed with a limiting sliding rod (66) in sliding connection with the arc-shaped sliding grooves (65), and one end of the limiting sliding rod (66) is respectively fixed with the two ends of the arc-shaped rod (64) through magnetic connection.

7. A single screw extruder according to claim 5, wherein: the bottom of one end of the cut-off plate (61) is provided with a first stop lever fixed with the connecting pipe (5), and the top of the other end of the cut-off plate (61) is provided with a second stop lever fixed with the connecting pipe (5).

8. A single screw extruder according to claim 1, wherein: and an observation window (7) for observing the raw materials in the feed hopper (2) is fixedly embedded in one side of the bottom of the feed hopper (2).

9. A single screw extruder according to claim 1, wherein: both sides of the top of the filter screen (40) are provided with movable scraping rods fixed with the first rotating shaft (41), and the movable scraping rods are positioned on the filter screen (40) and are rotationally connected with the inner side of the feed hopper (2).