Feeding mechanism for extruder barrel

Abstract

The utility model discloses a feeding mechanism for an extruder barrel, which comprises a feeding barrel mounted on the extruder barrel, the feeding barrel has a heating function, a cover plate is mounted at the top of the feeding barrel, a servo motor is mounted at the center of the cover plate, an output shaft of the servo motor is positioned in the feeding barrel and connected with a first gear, and the first gear is connected with a second gear. A transmission shaft is installed at the axis of the first gear, a spiral auger is installed at the bottom end of the transmission shaft and located at the bottom end of the feeding barrel, a plurality of second gears are meshed with the first gear, stirring parts are connected to the second gears, and the outermost ends of the stirring parts make contact with the inner wall face of the feeding barrel. The plastic particle stirring device is simple in structure and convenient to operate, can stir plastic particles during operation, enables the plastic particles to be heated more uniformly, completes feeding work of the extruder, effectively improves working efficiency and reduces production cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to extruder technical field especially relates to a kind of feeding mechanism for extruder barrel. BACKGROUND

[0002] Plastic raw material particles need to be sent into barrel by the feeding mechanism of extruder first when entering into extruder.The utility model with publication number CN220499890U discloses a kind of feeding mechanism for extruder barrel, including U-shaped hopper, the U-shaped hopper includes inner shell and outer shell, the inner shell bottom is connected with outer shell by a group of connecting rods, the inner shell both sides are respectively connected with outer shell by three groups of springs, the middle of outer shell bottom is equipped with vibration motor, the outer side of inner shell is symmetrically equipped with three groups of heating rods.The utility model uses U-shaped hopper to cooperate vibration motor, produces vibration to plastic raw material particles, prevents adhesion, and can also preheat sufficiently.

[0003] The mechanism disclosed in the above-mentioned utility model heats the plastic particles in the U-shaped hopper through the heating rods, but the vibration motor cannot effectively turn over the plastic particles in the U-shaped hopper, and there is a situation that the plastic particles are not uniformly heated. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a kind of feeding mechanism for extruder barrel to solve the problem of uneven heating of plastic particles raised in the above-mentioned background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of feeding mechanism for extruder barrel, including installation in the feeding barrel of extruder barrel, the feeding barrel is attached with heating function, and its top is equipped with cover plate, the center of cover plate is equipped with servo motor, the output shaft of servo motor is in feeding barrel and is connected with first gear, the axle of first gear is equipped with transmission shaft, the bottom end of transmission shaft is equipped with spiral auger, spiral auger is in the bottom end of feeding barrel, a plurality of second gears are engaged on the first gear, a plurality of second gears are all connected with stirring part, the outermost end of a plurality of stirring parts is in contact with the inner wall surface of feeding barrel.

[0006] Preferably, a feeding hopper is installed on the cover plate, and the feeding hopper is in communication with the interior of the feeding barrel.

[0007] Preferably, a mounting seat is connected to the bottom wall of the cover plate, and the first gear and the plurality of second gears are rotatably connected to the mounting seat.

[0008] Preferably, a plurality of connecting grooves are formed in the mounting seat, and the connecting grooves correspond to the positions of the second gears.

[0009] Preferably, the transmission shaft is provided with a plurality of first connecting rods, and each first connecting rod is provided with a scraper at a distal end thereof.

[0010] Preferably, the cover plate and the mounting seat are respectively provided with a first connecting hole and a second connecting hole at the center thereof, the first connecting hole is matched with the output shaft of the servo motor, and the second connecting hole is matched with the transmission shaft.

[0011] Preferably, the bottom of each second gear is provided with a second connecting rod, and the distal end of the second connecting rod is connected with the stirring part.

[0012] The utility model discloses a beneficial effect is:

[0013] In the utility model, the servo motor drives the first gear to rotate, thereby pushing a plurality of second gears to rotate, and the second gear drives the corresponding stirring part to rotate in the feeding barrel when rotating, thereby stirring the plastic particles in the feeding barrel, so that the plastic particles can keep a flowing state, and the heating is more uniform, and the heating efficiency of the plastic particles is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A three-dimensional structure schematic view of the feeding mechanism for the extruder barrel is provided for the utility model;

[0015] Figure 2 A front view cross-sectional structure schematic view of the feeding mechanism for the extruder barrel is provided for the utility model;

[0016] Figure 3 A top view cross-sectional structure schematic view of the feeding mechanism for the extruder barrel is provided for the utility model;

[0017] Figure 4 A structure schematic view of the second connecting rod and the stirring part of the feeding mechanism for the extruder barrel is provided for the utility model.

[0018] In the figure: 1, feed barrel; 2, cover plate; 3, servo motor; 4, first gear; 5, transmission shaft; 6, spiral auger; 7, second gear; 8, stirring part; 9, feeding hopper; 10, mounting seat; 11, connecting groove; 12, first connecting rod; 13, scraper; 14, first connecting hole; 15, second connecting hole; 16, second connecting rod. DETAILED DESCRIPTION

[0019] 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, rather than all the embodiments.

[0020] Reference Figures 1-4 A kind of feeding mechanism for extruder cylinder, including the feeding barrel 1 of installation on extruder cylinder, feeding barrel 1 is attached with heating function, and its top is equipped with cover plate 2, the center of cover plate 2 is equipped with servo motor 3, the output shaft of servo motor 3 is in feeding barrel 1 and is connected with first gear 4, the axis of first gear 4 is equipped with transmission shaft 5, the bottom end of transmission shaft 5 is equipped with spiral auger 6, spiral auger 6 is in the bottom end of feeding barrel 1, first gear 4 is engaged with several second gears 7, and several second gears 7 are all connected with stirring part 8, and the outermost end of several stirring parts 8 is in contact with the inner wall surface of feeding barrel 1.

[0021] When the mechanism is used, first open servo motor 3, servo motor 3 drives first gear 4 to rotate, to drive several second gears 7 to rotate, when second gear 7 rotates, corresponding stirring part 8 is rotated in feeding barrel 1, to stir the plastic particles in feeding barrel 1, so that plastic particles can keep flowing state, so that it is heated more evenly, improve the heating efficiency of plastic particles;When first gear 4 rotates, transmission shaft 5 is synchronously rotated, and then spiral auger 6 installed at the bottom end of transmission shaft 5 is rotated, so that the plastic particles in feeding barrel 1 are conveyed to extruder through spiral auger 6, and the feeding work of extruder is completed, the mechanism is simple to operate, can stir plastic particles when running, so that it is heated more evenly, while completing the feeding work of extruder, effectively improve work efficiency and reduce production cost.

[0022] Specifically, in the embodiment, the cover plate 2 is provided with a feeding hopper 9, which is communicated with the inside of the feeding barrel 1, so that the worker can put the plastic particles into the feeding barrel 1 through the feeding hopper 9, so as to achieve the purpose of putting the plastic particles into the feeding mechanism.

[0023] Specifically, in the embodiment, the bottom wall of the cover plate 2 is connected with the mounting seat 10, and the first gear 4 and the plurality of second gears 7 are rotatably connected to the mounting seat 10, so that the first gear 4 and the plurality of second gears 7 can be rotatably connected to the feeding mechanism through the mounting seat 10, thereby ensuring the stable operation of the first gear 4 and the plurality of second gears 7.

[0024] Specifically, in the embodiment, the mounting seat 10 is provided with a plurality of connecting grooves 11 corresponding to the positions of the second gears 7, so that the plurality of second gears 7 can be engaged with the first gear 4 through the corresponding connecting grooves 11, thereby enabling the first gear 4 to drive the plurality of second gears 7 to rotate synchronously when the first gear 4 rotates, and further driving the stirring part 8 to rotate.

[0025] Specifically, in the embodiment, the transmission shaft 5 is provided with a plurality of first connecting rods 12, and the ends of the plurality of first connecting rods 12 away from the transmission shaft 5 are provided with a plurality of scrapers 13, so that the transmission shaft 5 can drive the scrapers 13 to rotate through the first connecting rods 12 when the transmission shaft 5 rotates, thereby scraping the plastic particles adhering to the lower end wall of the feeding barrel 1, and achieving the purpose of stirring the plastic particles at the lower end position of the feeding barrel 1 to prevent the plastic particles at the position from adhering to each other.

[0026] Specifically, in the embodiment, the center of the cover plate 2 and the center of the mounting seat 10 are provided with a first connecting hole 14 and a second connecting hole 15, respectively, the first connecting hole 14 is matched with the output shaft of the servo motor 3, and the second connecting hole 15 is matched with the transmission shaft 5, so that the servo motor 3 can be connected with the top end of the first gear 4 through the first connecting hole 14, thereby driving the first gear 4 to rotate, and the transmission shaft 5 can be connected with the bottom end of the first gear 4 through the second connecting hole 15, thereby achieving the purpose of driving the transmission shaft 5 to rotate by the first gear 4.

[0027] Specifically, in the embodiment, the bottom of each of the plurality of second gears 7 is provided with a second connecting rod 16, and the end of the second connecting rod 16 away from the second gear 7 is connected with the stirring part 8, so that the second gear 7 can drive the second connecting rod 16 to rotate when the second gear 7 rotates, and then the second connecting rod 16 drives the stirring part 8 to rotate, thereby expanding the coverage of the stirring part 8 by the second connecting rod 16, so that the stirring part 8 can drive more plastic particles to flow when the stirring part 8 rotates.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent substitutions or changes within the technical range disclosed by the present application according to the technical scheme and the inventive concept of the present application, which should be covered within the protection scope of the present application.

Claims

1. A feeding mechanism for an extruder barrel comprising a feeding bucket (1) mounted on the extruder barrel, characterized in that: The feeding barrel (1) is attached with heating function, and the top of which is provided with a cover plate (2), the center of which is provided with a servo motor (3), the output shaft of which is in the feeding barrel (1) and connected with a first gear (4), the axis of which is provided with a transmission shaft (5), the bottom end of which is provided with a spiral auger (6), the bottom end of which is in the feeding barrel (1), a plurality of second gears (7) are engaged on the first gear (4), a plurality of stirring parts (8) are connected to the second gears (7), and the outermost ends of the stirring parts (8) are in contact with the inner wall of the feeding barrel (1).

2. A feed mechanism for an extruder barrel according to claim 1 wherein: The cover plate (2) is provided with a feeding hopper (9) connected with the inside of the feeding barrel (1).

3. A feed mechanism for an extruder barrel according to claim 1 wherein: The bottom wall of the cover plate (2) is connected with a mounting seat (10), and the first gear (4) and the second gears (7) are rotatably connected to the mounting seat (10).

4. A feed mechanism for an extruder barrel according to claim 3 wherein: A plurality of connecting grooves (11) are formed in the mounting seat (10) and correspond to the positions of the second gears (7).

5. A feed mechanism for an extruder barrel according to claim 1 wherein: A plurality of first connecting rods (12) are mounted on the transmission shaft (5), and the ends of the first connecting rods (12) away from the transmission shaft (5) are provided with scrapers (13), and the scrapers (13) are in contact with the inclined surface at the lower end of the feeding barrel (1).

6. A feed mechanism for an extruder barrel according to claim 3 wherein: The center of the cover plate (2) and the mounting seat (10) is respectively provided with a first connecting hole (14) and a second connecting hole (15), the first connecting hole (14) is matched with the output shaft of the servo motor (3), and the second connecting hole (15) is matched with the transmission shaft (5).

7. A feed mechanism for an extruder barrel according to claim 1 wherein: The bottom of each second gear (7) is provided with a second connecting rod (16), and the end of the second connecting rod (16) away from the second gear (7) is connected with the stirring part (8).

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