Dust removal device for feeding mechanism of plastic extruder

Abstract

The utility model discloses a dust removal device for a feeding mechanism of a plastic extruder, which comprises a support frame, a two-way screw rod is rotatably mounted on the support frame, one end of the two-way screw rod is connected with a servo motor, the servo motor is mounted on one side wall surface of the support frame, and two ends of the two-way screw rod are respectively in threaded connection with a first threaded block and a second threaded block. The first threaded block and the second threaded block are both rotationally connected with connecting rods, the ends, away from the two-way lead screw, of the two connecting rods are rotationally connected to the same connecting ring, a feeding mechanism is movably installed on the connecting ring, and a dust removal component is arranged in the feeding mechanism. The stability and practicability of the device are effectively improved, meanwhile, the feeding mechanism can be adjusted to a manual contact area by adjusting the height of the feeding mechanism, components on the surface of the feeding mechanism are cleaned, and the cleaning efficiency of the device is further improved.

Description

Technical Field

[0001] This utility model relates to the field of plastic extruder technology, and in particular to a dust removal device for the feeding mechanism of a plastic extruder. Background Technology

[0002] In plastic extrusion molding equipment, the plastic extruder feeding device is usually referred to as the main machine, while the downstream equipment, the plastic extrusion molding machine itself, is called the auxiliary machine. The plastic extruder feeding device can be matched with various auxiliary machines for plastic molding, such as those for pipes, films, rods, monofilaments, flat filaments, strapping, extruded mesh, sheets, profiles, granulation, and cable sheathing, to form various plastic extrusion molding production lines for producing various plastic products. During the extrusion process, material needs to be fed into the extruder. In existing technologies, plastic particles may contain impurities and dust during the feeding process, requiring filtration and dust removal.

[0003] The utility model with publication number CN221562193U relates to the technical field of plastic extruder structure, specifically a dust removal device for the feeding mechanism of a plastic extruder; it includes: a shell, a feeding hopper on one side of the outer surface of the shell, a main shaft inside the shell, a motor fixedly connected to one end of the main shaft, an exhaust port on the lower surface of the middle of the shell, a connecting pipe inserted into the exhaust port, and an exhaust fan fixedly connected to one end of the connecting pipe. The beneficial effects are: a spiral blade is fixedly installed on one side of the outer surface of the main shaft, which can prevent material accumulation and jamming; the rotating drum is composed of multiple round shafts, the rotating drum is concentric with the main shaft, and the rotating drum is located in the middle of the shell; a blower pipe is fixedly connected to the middle of the upper surface of the shell; an exhaust port is located in the middle of the lower surface of the shell; the material enters through the feeding port, passes through the rotating blades and enters the rotating drum; the rotating drum is rotated by the motor, causing dust to fall off the surface of the material; and then, through the air inlet pipe and the exhaust fan, the material is more thoroughly dusted.

[0004] The device disclosed in the above-mentioned utility model requires a support frame to keep the outer shell stable. However, this device needs to be used on a plastic extruder, and the support frame cannot achieve an effective connection between the feeding mechanism and the plastic extruder, resulting in low practicality. Utility Model Content

[0005] The purpose of this utility model is to provide a dust removal device for the feeding mechanism of a plastic extruder, so as to solve the problem that the support frame proposed in the background art cannot achieve an effective connection between the feeding mechanism and the plastic extruder, resulting in low practicality.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a dust removal device for a feeding mechanism of a plastic extruder, comprising a support frame, on which a bidirectional lead screw is rotatably mounted. One end of the bidirectional lead screw is connected to a servo motor, which is mounted on one side wall of the support frame. The two ends of the bidirectional lead screw are respectively threaded to a first threaded block and a second threaded block. A connecting rod is rotatably connected to both the first and second threaded blocks. The ends of the two connecting rods away from the bidirectional lead screw are rotatably connected to the same connecting ring. A feeding mechanism is movably mounted on the connecting ring, and a dust removal component is provided inside the feeding mechanism.

[0007] Preferably, the first threaded block and the second threaded block are respectively provided with a positive threaded hole and a negative threaded hole, and the positive threaded hole and the negative threaded hole are respectively adapted to the two ends of the bidirectional lead screw.

[0008] Preferably, a sliding rod is installed on the support frame, and sliding holes are opened on both the first threaded block and the second threaded block, with the sliding holes matching the sliding rod.

[0009] Preferably, the bottom ends of the first threaded block and the second threaded block are provided with connecting grooves, and two connecting parts are installed on the connecting ring. The two connecting rods are respectively rotatably connected to the corresponding connecting grooves and connecting parts.

[0010] Preferably, the feeding mechanism is equipped with limit shafts at both ends, and the support frame is provided with limit grooves on both sides, with the limit shafts slidably connected in the limit grooves.

[0011] Preferably, the bottom of the support frame is equipped with several rollers, and all of the rollers can be manually locked.

[0012] Preferably, the support frame has two rotating holes, which are adapted to the two ends of the bidirectional lead screw.

[0013] The beneficial effects of this utility model are:

[0014] In this invention, a servo motor drives a bidirectional lead screw to rotate, thereby causing the first and second threaded blocks to move away from each other. This increases the tilt angle of the two connecting rods, causing them to move the connecting ring and the feeding mechanism upwards. When the mechanism reaches the appropriate position, it is pushed above the plastic extruder, aligning the discharge port of the feeding mechanism with the feed port of the plastic extruder. This achieves the purpose of connecting the feeding mechanism to the plastic extruder. The device is simple to use and can be connected to plastic extruders of different specifications, effectively improving its stability and practicality. Furthermore, by adjusting the height of the feeding mechanism, it can be positioned within a manually accessible area for cleaning the components on its surface, further improving the device's cleaning efficiency. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of a dust removal device for a plastic extruder feeding mechanism proposed in this utility model;

[0016] Figure 2 This is a rear view structural diagram of a dust removal device for a plastic extruder feeding mechanism proposed in this utility model;

[0017] Figure 3 This is a front cross-sectional view of a dust removal device for a plastic extruder feeding mechanism proposed in this utility model.

[0018] Figure 4 This is a top cross-sectional view of a dust removal device for the feeding mechanism of a plastic extruder proposed in this utility model.

[0019] In the diagram: 1. Support frame; 2. Bidirectional lead screw; 3. Servo motor; 4. First threaded block; 5. Second threaded block; 6. Connecting rod; 7. Connecting ring; 8. Feeding mechanism; 9. Positive threaded hole; 10. Negative threaded hole; 11. Sliding rod; 12. Sliding hole; 13. Connecting groove; 14. Connecting piece; 15. Limiting shaft; 16. Limiting groove; 17. Roller; 18. Rotating hole. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Reference Figure 1-4 A dust removal device for the feeding mechanism of a plastic extruder includes a support frame 1. A bidirectional lead screw 2 is rotatably mounted on the support frame 1. One end of the bidirectional lead screw 2 is connected to a servo motor 3, which is mounted on a side wall of the support frame 1. The two ends of the bidirectional lead screw 2 are respectively threaded to a first threaded block 4 and a second threaded block 5. A connecting rod 6 is rotatably connected to both the first threaded block 4 and the second threaded block 5. The ends of the two connecting rods 6 away from the bidirectional lead screw 2 are rotatably connected to the same connecting ring 7. A feeding mechanism 8 is movably mounted on the connecting ring 7, and a dust removal component is provided inside the feeding mechanism 8.

[0022] The dust removal component equipped on the feeding mechanism 8 is consistent with the description in the utility model with publication number CN221562193U. When using this device, the servo motor 3 needs to be started first. The servo motor 3 drives the bidirectional lead screw 2 to rotate, thereby causing the first threaded block 4 and the second threaded block 5 to move away from each other, thus increasing the tilt angle of the two connecting rods 6. This causes the connecting rods 6 to drive the connecting ring 7 and the feeding mechanism 8 to move upward. When it moves to the appropriate position, the device is pushed above the plastic extruder, so that the discharge port of the feeding mechanism 8 is aligned with the feed port of the plastic extruder, thereby achieving the purpose of connecting the feeding mechanism 8 to the plastic extruder. This device is simple to use and can be connected to plastic extruders of different specifications, effectively improving the stability and practicality of the device. At the same time, by adjusting the height of the feeding mechanism 8, it can be adjusted to a manually accessible area for cleaning the components on the surface of the feeding mechanism 8, further improving the cleaning efficiency of the device.

[0023] Specifically, in this embodiment, the first threaded block 4 and the second threaded block 5 are respectively provided with a positive threaded hole 9 and a negative threaded hole 10. The positive threaded hole 9 and the negative threaded hole 10 are respectively adapted to the two ends of the bidirectional lead screw 2, so that the first threaded block 4 and the second threaded block 5 can be threadedly adapted to the two ends of the bidirectional lead screw 2 through the positive threaded hole 9 and the negative threaded hole 10, so that when the bidirectional lead screw 2 rotates, it can drive the first threaded block 4 and the second threaded block 5 to move closer or further away from each other, thereby achieving the purpose of adjusting the height of the feeding mechanism 8.

[0024] Specifically, in this embodiment, a slide rod 11 is installed on the support frame 1. Slide holes 12 are provided on the first threaded block 4 and the second threaded block 5. The slide holes 12 are adapted to the slide rod 11, so that the first threaded block 4 and the second threaded block 5 can be slidably connected to the slide rod 11 through the corresponding slide holes 12. When the bidirectional lead screw 2 drives the first threaded block 4 and the second threaded block 5 to move, the first threaded block 4 and the second threaded block 5 can only move along the direction of the slide rod 11 because the slide rod 11 restricts them.

[0025] Specifically, in this embodiment, the bottom ends of the first threaded block 4 and the second threaded block 5 are provided with connecting grooves 13, and two connecting parts 14 are installed on the connecting ring 7. The two connecting rods 6 are respectively rotatably connected to the corresponding connecting grooves 13 and connecting parts 14, so that the connecting ring 7 can be connected to the first threaded block 4 and the second threaded block 5 through the setting of the connecting grooves 13 and connecting parts 14, thereby achieving the purpose of controlling the feeding mechanism 8 by having the first threaded block 4 and the second threaded block 5 drive the connecting ring 7 to move.

[0026] Specifically, in this embodiment, both ends of the feeding mechanism 8 are equipped with limiting shafts 15, and both sides of the support frame 1 are provided with limiting grooves 16. The limiting shafts 15 are slidably connected in the limiting grooves 16, so that both ends of the feeding mechanism 8 can be slidably connected to the support frame 1 through the compatibility of the limiting shafts 15 and the limiting grooves 16. This ensures that the feeding mechanism 8 is always on the same plane as the support frame 1, avoids shaking when the feeding mechanism 8 moves, and improves the stability of the feeding mechanism 8.

[0027] Specifically, in this embodiment, the bottom of the support frame 1 is equipped with several rollers 17, and all rollers 17 can be manually locked, so that the staff can adjust the position of the device by means of the rollers 17 according to the needs of use, and lock the adjusted position by locking the rollers 17, thereby further improving the practicality of the device.

[0028] Specifically, in this embodiment, the support frame 1 has two rotating holes 18, which are adapted to the two ends of the bidirectional lead screw 2, so that the bidirectional lead screw 2 can be rotatably connected to the support frame 1 through its adaptation to the rotating holes 18, and connected to the servo motor 3 through one of the rotating holes 18, thereby achieving the purpose of the servo motor 3 driving the bidirectional lead screw 2 to operate without obstruction when it is running.

[0029] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A dust removal device for a plastic extruder feeding mechanism comprising a support frame (1), characterized in that: The support frame (1) is provided with a bidirectional screw rod (2) rotatably installed thereon, one end of the bidirectional screw rod (2) is connected with a servo motor (3), the servo motor (3) is installed on one side wall surface of the support frame (1), two ends of the bidirectional screw rod (2) are respectively threadedly connected with a first threaded block (4) and a second threaded block (5), the first threaded block (4) and the second threaded block (5) are both rotatably connected with a connecting rod (6), two ends of the connecting rod (6) away from the bidirectional screw rod (2) are rotatably connected to the same connecting ring (7), the connecting ring (7) is movably installed with a feeding mechanism (8), and the feeding mechanism (8) is provided with a dust removal component.

2. A dust removal device for a plastic extruder feeding mechanism according to claim 1, characterized in that: The first threaded block (4) and the second threaded block (5) are respectively provided with a right-handed thread hole (9) and a left-handed thread hole (10), and the right-handed thread hole (9) and the left-handed thread hole (10) are respectively matched with two ends of the bidirectional screw rod (2).

3. A dust removal device for a plastic extruder feeding mechanism according to claim 1, characterized in that: The support frame (1) is provided with a slide rod (11), the first threaded block (4) and the second threaded block (5) are both provided with a sliding hole (12), and the sliding hole (12) is matched with the slide rod (11).

4. A dust removal device for a plastic extruder feeding mechanism according to claim 1, characterized in that: The first threaded block (4) and the second threaded block (5) are both provided with a connecting groove (13) at the bottom end, the connecting ring (7) is installed with two connecting pieces (14), and the two connecting rods (6) are rotatably connected to the corresponding connecting groove (13) and connecting piece (14).

5. A dust removal device for a plastic extruder feeding mechanism according to claim 1, characterized in that: Both ends of the feeding mechanism (8) are installed with a limiting shaft (15), both sides of the support frame (1) are provided with a limiting groove (16), and the limiting shaft (15) is slidably connected in the limiting groove (16).

6. A dust removal device for a plastic extruder feeding mechanism according to claim 1, characterized in that: The bottom of the support frame (1) is installed with a plurality of rollers (17), and the plurality of rollers (17) can be artificially locked.

7. A dust removal device for a plastic extruder feeding mechanism according to claim 1, characterized in that: The support frame (1) is provided with two rotating holes (18), and the two rotating holes (18) are matched with two ends of the bidirectional screw rod (2).

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