Dust removal device of screw extrusion granulator

Abstract

The utility model discloses a dust removal device of a screw extrusion pelletizer, which comprises an extruder body with a feed inlet, a working base plate is connected onto the extruder body through a fixing component, an adjusting cushion block is fixedly connected onto the working base plate, the adjusting cushion block is connected with a dust removal working box through a rotating component, and the dust removal working box is connected with a dust removal motor. A plurality of ventilation openings are formed in the dust removal working box, a working cavity is formed in the dust removal working box, a dust removal pipe is arranged in the working cavity, the dust removal pipe penetrates through the dust removal working box, the dust removal pipe is matched with the feeding opening, a working rotating shaft is further rotationally connected into the working cavity, and the working rotating shaft is matched with the dust removal pipe; the end, close to the dust removal pipe, of the working rotating shaft is fixedly connected with working fan blades. Dust removal work can be carried out immediately when powder raw materials are added, and meanwhile a worker can adjust the position of the dust removal device within a certain range according to needs.

Description

Technical Field

[0001] The utility model relates to the technical field of screw extruders, in particular to a dust removal device for a screw extruder granulator. Background Art

[0002] Screw extruder granulator is a molding device that extrude plastic powder into a ring-shaped hole through a rotating screw, and then cuts it into granules through corresponding post-processing processes. It is a common molding equipment in the plastic processing industry.

[0003] Nowadays, many screw extruder granulators are equipped with dust removal devices to prevent dust from floating and affecting the normal working process and the health of workers. The dust removal devices of existing screw extruder granulators are relatively fixed in position and cannot be adjusted within a certain range, so dust removal work cannot be performed efficiently.

[0004] Therefore, we propose a dust removal device for a screw extruder granulator to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problems existing in the prior art and proposes a dust removal device for a screw extrusion granulator.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A dust removal device for a screw extruder granulator comprises an extruder body with a feed port, a working pad is connected to the extruder body through a fixed component, an adjusting pad is fixedly connected to the working pad, the adjusting pad is connected to a dust removal work box through a rotating component, a plurality of vents are provided on the dust removal work box, a working chamber is provided in the dust removal work box, a dust removal pipe is provided in the working chamber, the dust removal pipe runs through the dust removal work box, the dust removal pipe and the feed port are matched, a working shaft is also rotatably connected in the working chamber, the working shaft and the dust removal pipe are matched, a working fan blade is fixedly connected to one end of the working shaft close to the dust removal pipe, a dust collecting filter is provided in the dust removal pipe, the dust collecting filter and the working fan blade are matched, and a transmission component is also provided in the working chamber.

[0008] Preferably, the transmission assembly includes a working motor arranged in a working chamber, a working sprocket 1 is fixedly connected to the output end of the working motor, a working sprocket 2 is fixedly connected to the end of the working shaft away from the working fan blades, a transmission chain is commonly provided on the working sprocket 1 and the working sprocket 2, and the transmission chain and the working chamber are arranged in coordination.

[0009] Preferably, the rotating assembly includes an adjusting cavity arranged in the adjusting pad, a rotating column is rotatably connected in the adjusting cavity, the rotating column passes through the adjusting pad, a working turntable is arranged on the adjusting pad, the rotating column and the working turntable are matched with each other, one end of the rotating column away from the adjusting pad is fixedly connected to the dust removal working box, a working worm gear is fixedly connected on the rotating column, a working worm is also rotatably connected in the adjusting cavity, the working worm gear passes through the adjusting pad, and the working worm wheel and the working worm gear are matched with each other.

[0010] Preferably, the dust collecting filter is detachably arranged, and the dust collecting filter and the dust removal pipe are arranged in coordination.

[0011] Preferably, an auxiliary handle is fixedly connected to the working worm, the auxiliary handle is arranged in a disc shape, and the auxiliary handle and the working worm are arranged in coordination.

[0012] Preferably, the fixing assembly includes two connecting plates arranged on the working pad, the two connecting plates are provided with bolt holes, the two bolt holes are provided with fixing bolts, and the two fixing bolts are respectively arranged in cooperation with the two bolt holes.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model: 1. Through the cooperation of the extruder body, the working pad, the adjusting pad, the dust removal working box, the working chamber, the dust removal pipe, the working shaft, the working fan blades, the dust collection filter, the working motor, the working sprocket one, the working sprocket two and the transmission chain, when the working motor is working, the transmission will be used to drive the working shaft to rotate, thereby making the working fan blades form a suction effect, so that the dust scattered when the staff adds raw materials will be adsorbed on the dust collection filter, and the dust will be directly removed at the feed inlet, which greatly improves the efficiency of dust removal.

[0015] 2. Through the coordination of the adjusting chamber, rotating column, working worm gear, working worm and fixing bolts, the staff only needs to rotate the working worm to use the transmission to drive the rotating column to rotate, thereby rotating the dust removal working box. At this time, the position of the dust removal pipe can be changed within a certain range, thereby improving the dust removal efficiency. At the same time, the self-locking effect of the worm gear prevents the working column from rotating accidentally. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional schematic diagram of the front structure of a dust removal device of a screw extrusion granulator proposed by the utility model;

[0017] Figure 2 A three-dimensional schematic diagram of the rear view structure of a dust removal device of a screw extrusion granulator proposed by the utility model;

[0018] Figure 3 This is a three-dimensional schematic diagram of the working chamber structure of a dust removal device of a screw extruder granulator proposed by the utility model;

[0019] Figure 4 A three-dimensional schematic diagram of the structure of a dust removal working box of a dust removal device of a screw extruder granulator proposed by the utility model;

[0020] Figure 5 A three-dimensional schematic diagram of the structure of the regulating chamber of a dust removal device of a screw extruder granulator proposed by the utility model;

[0021] Figure 6 This is a three-dimensional schematic diagram of the structure of the dust removal pipe portion of the dust removal device of the screw extrusion granulator proposed by the utility model.

[0022] In the figure: 1 extruder body, 2 working pad, 3 adjusting pad, 4 dust removal working box, 5 working chamber, 6 dust removal pipe, 7 working shaft, 8 working fan blade, 9 dust filter, 10 working motor, 11 working sprocket 1, 12 working sprocket 2, 13 transmission chain, 14 adjusting chamber, 15 rotating column, 16 working worm wheel, 17 working worm, 18 fixing bolt. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-Figure 6 , a dust removal device for a screw extruder granulator, comprising an extruder body 1 with a feed inlet, a working pad 2 being connected to the extruder body 1 through a fixing assembly, the fixing assembly comprising two connecting plates arranged on the working pad 2, the two connecting plates being provided with bolt holes, the two bolt holes being provided with fixing bolts 18, the two fixing bolts 18 being respectively arranged in cooperation with the two bolt holes, so that the working pad 2 can be fixed to prevent it from falling off during the working process, and it is also convenient for the staff to disassemble, an adjusting pad 3 being fixedly connected to the working pad 2, the adjusting pad 3 being connected with a dust removal working box 4 through a rotating assembly, the rotating assembly comprising an adjusting cavity 14 arranged in the adjusting pad 3, a rotating column 15 being rotatably connected in the adjusting cavity 14, the rotating column 15 being arranged through the adjusting pad 3, a working turntable being provided on the adjusting pad 3, the rotating column 15 and the working turntable being arranged in cooperation with each other, thereby ensuring that the rotating column 15 can rotate normally;

[0025] One end of the rotating column 15 away from the adjusting pad 3 is fixedly connected to the dust removal working box 4, so that when the rotating column 15 rotates, the dust removal working box 4 can be driven to rotate together. A working worm wheel 16 is fixedly connected to the rotating column 15, and a working worm 17 is also rotatably connected in the adjusting chamber 14. The working worm 17 penetrates the adjusting pad 3, and an auxiliary rotating handle is fixedly connected to the working worm 17. The auxiliary rotating handle is set in a disc shape. The auxiliary rotating handle and the working worm 17 are matched to make it more convenient for the staff to rotate the working worm 17. The working worm wheel 16 and the working worm 17 are matched. Due to the self-locking characteristics of the worm gear transmission, the rotating column 15 will only rotate when the staff rotates the working worm 17, and the rotating column 15 will not rotate by mistake. A plurality of vents are provided on the dust removal working box 4 to ensure normal air circulation;

[0026] A working chamber 5 is provided in the dust removal working box 4, and a dust removal pipe 6 is provided in the working chamber 5. The dust removal pipe 6 runs through the dust removal working box 4. The dust removal pipe 6 and the feed port are arranged in cooperation, so that the dust generated when the powder raw material is added can be immediately absorbed. A working shaft 7 is also rotatably connected in the working chamber 5. The working shaft 7 and the dust removal pipe 6 are arranged in cooperation. One end of the working shaft 7 close to the dust removal pipe 6 is fixedly connected with a working fan blade 8. A dust collection filter 9 is provided in the dust removal pipe 6. The dust collection filter 9 and the working fan blade 8 are arranged in cooperation. When the working fan blade 8 rotates, the airflow direction at the dust removal pipe 6 will be changed, so that the dust in the air will be adsorbed on the dust collection filter 9. The dust collection filter 9 is detachable. The dust collection filter 9 and the dust removal pipe 6 are arranged in cooperation, which is convenient for the staff to disassemble and clean;

[0027] A transmission assembly is also provided in the working chamber 5, and the transmission assembly includes a working motor 10 arranged in the working chamber 5, a working sprocket 11 is fixedly connected to the output end of the working motor 10, a working sprocket 2 12 is fixedly connected to the end of the working shaft 7 away from the working fan blades 8, and a transmission chain 13 is provided on the working sprocket 11 and the working sprocket 2 12. The transmission chain 13 and the working chamber 5 are arranged in coordination. Due to the characteristics of the chain drive, when the working motor 10 drives the working sprocket 11 to rotate, the working sprocket 2 12 will also rotate.

[0028] During the use of the utility model, the staff adds powder raw materials to the feed port of the extruder body 1 and starts the working motor 10, so that the working sprocket 1 11 fixedly connected to the output end thereof rotates. Due to the characteristics of the chain drive, with the cooperation of the transmission chain 13, the working sprocket 2 12 will also start to rotate, thereby driving the working shaft 7 to rotate. At this time, the working fan blades 8 fixedly connected to the working shaft 7 will start to rotate to form an exhaust effect, thereby changing the airflow direction at the dust removal pipe 6, so that the dust scattered when the powder raw materials are added will be adsorbed on the dust collection filter 9, thereby realizing the dust removal work;

[0029] When the staff needs to adjust the dust suction device, they only need to rotate the working worm 17, thereby driving the working worm wheel 16 to rotate, so that the rotating column 15 rotates. At this time, the dust removal working box 4 fixedly connected to the rotating column 15 will start to rotate, and the position of the dust removal pipe 6 can be adjusted and changed, so that the working range of the dust removal device can be adjusted to a certain extent, so that the dust removal effect is better.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A dust removal device for a screw extruder granulator, comprising an extruder body (1) with a feed inlet, characterized in that: The extruder body (1) is connected to a working pad (2) via a fixed component, and an adjusting pad (3) is fixedly connected to the working pad (2). The adjusting pad (3) is connected to a dust removal working box (4) via a rotating component. The dust removal working box (4) is provided with a plurality of ventilation holes. A working chamber (5) is provided in the dust removal working box (4), and a dust removal pipe (6) is provided in the working chamber (5). The dust removal pipe (6) runs through the dust removal working box (4). The dust removal pipe (6) and the feed port are arranged in cooperation. A working rotating shaft (7) is also rotatably connected in the working chamber (5), and the working rotating shaft (7) and the dust removal pipe (6) are arranged in cooperation. A working fan blade (8) is fixedly connected to one end of the working rotating shaft (7) close to the dust removal pipe (6). A dust collection filter (9) is provided in the dust removal pipe (6), and the dust collection filter (9) and the working fan blade (8) are arranged in cooperation. A transmission component is also provided in the working chamber (5).

2. The dust removal device of a screw extruder granulator according to claim 1, characterized in that: The transmission assembly comprises a working motor (10) arranged in a working chamber (5); a working sprocket wheel 1 (11) is fixedly connected to the output end of the working motor (10); a working sprocket wheel 2 (12) is fixedly connected to the end of the working shaft (7) away from the working blades (8); a transmission chain (13) is provided on the working sprocket wheel 1 (11) and the working sprocket wheel 2 (12); and the transmission chain (13) and the working chamber (5) are arranged in coordination.

3. The dust removal device of a screw extruder granulator according to claim 1, characterized in that: The rotating assembly comprises an adjusting chamber (14) arranged in the adjusting pad (3), a rotating column (15) is rotatably connected in the adjusting chamber (14), the rotating column (15) passes through the adjusting pad (3), a working turntable is arranged on the adjusting pad (3), the rotating column (15) and the working turntable are arranged in coordination, one end of the rotating column (15) away from the adjusting pad (3) is fixedly connected to the dust removal working box (4), a working worm wheel (16) is fixedly connected to the rotating column (15), a working worm (17) is also rotatably connected in the adjusting chamber (14), the working worm (17) passes through the adjusting pad (3), and the working worm wheel (16) and the working worm (17) are arranged in coordination.

4. The dust removal device of a screw extruder granulator according to claim 1, characterized in that: The dust collecting filter (9) is detachably arranged, and the dust collecting filter (9) and the dust removal pipe (6) are arranged in coordination.

5. The dust removal device of a screw extruder granulator according to claim 3, characterized in that: An auxiliary handle is fixedly connected to the working worm (17), the auxiliary handle is arranged in a disc shape, and the auxiliary handle and the working worm (17) are arranged in coordination.

6. The dust removal device of a screw extruder granulator according to claim 1, characterized in that: The fixing assembly comprises two connecting plates arranged on a working pad (2), the two connecting plates are provided with bolt holes, the two bolt holes are provided with fixing bolts (18), and the two fixing bolts (18) are respectively arranged in cooperation with the two bolt holes.

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