Double-screw extruder side feeding mechanism convenient to clean

Abstract

The utility model discloses a double-screw extruder side feeding mechanism convenient to clean, and relates to the technical field of feeding equipment, the side feeding mechanism is fixed on an extruder body, is communicated with a feeding hole in the side edge of the extruder body, and comprises a fixed seat, the fixed seat is fixedly connected to the right side of a machine seat of an extruder, and the fixed seat is fixedly connected with a feeding hole in the side edge of the extruder body. The side feeding mechanism is formed by the fixed seat, the conveying pipe, the feeding pipe, the spiral blade and the like, and the conveying pipe is tightly connected to the discharge port of the extruder body through the fixed plate and the screw, so that material leakage is avoided; the screw rod, the movable block and the hand wheel are arranged between the fixed seat and the bottom plate, so that the conveying pipe can be moved on the fixed seat, the conveying pipe can be separated from the extruder body, and meanwhile, the detachable cover plate is arranged at the top of the conveying pipe, so that materials in the conveying pipe can be conveniently cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding equipment, in particular to a side feeding mechanism of a twin-screw extruder which is easy to clean. Background Art

[0002] Twin-screw extruder is a device that uses two screws rotating in parallel to melt and extrude solid materials continuously through a specific process. Screw extruder is an important plastic processing equipment, which is widely used in the processing of polymer materials such as plastics and rubber. Twin-screw extruder is equipped with top feeding and side feeding when in use.

[0003] The prior art publication number is CN220973268U, in which the side feeding device of the twin-screw plastic extruder is fixed on the extruder, so it is not convenient to clean the residual material inside the device, resulting in the residual material being mixed with the newly added material, ultimately affecting the product quality. Utility Model Content

[0004] The utility model aims to make up for the deficiency of the prior art that it is not convenient to clean the internal residual materials, and provides a side feeding mechanism of a twin-screw extruder which is easy to clean.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a side feeding mechanism of a twin-screw extruder that is easy to clean, the side feeding mechanism is fixed on the extruder body and connected to the feed port on the side of the extruder body, including a fixed seat, the fixed seat is fixedly connected to the right side of the base of the extruder, and a support rod is fixedly connected between the bottom of the fixed seat and the base, a conveying pipe is slidably connected to the fixed seat, and a spiral blade is movably connected in the conveying pipe, one end of the conveying pipe is closed, and a first motor is fixedly connected to the outside, and the spiral blade shaft is fixedly connected to the output end of the motor, the other end of the conveying pipe is connected to the feed port on the side of the extruder body, and a feed pipe is opened on the top of the conveying pipe.

[0006] As mentioned above, the bottom of the conveying pipe is fixedly connected with a bottom plate, and the bottom of the bottom plate is fixedly connected with a movable block, and the top of the fixed seat is provided with a groove, and the movable block is slidably connected in the groove.

[0007] As mentioned above, a screw is movably connected in the groove, and the right end of the screw extends to the outside of the fixed seat and is fixedly connected to a hand wheel, and a threaded hole matching the screw is opened on the movable block.

[0008] As mentioned above, a second motor is fixedly connected to the right side of the feed pipe, an output shaft of the second motor extends to the inside of the feed pipe, and a stirring rod is fixedly connected to the output shaft.

[0009] As mentioned above, an opening is provided at the top of the delivery pipe, and a cover plate is provided in the opening. The cover plate and the outer edge of the delivery pipe are fixedly connected with connecting plates, and the connecting plates are fixed by bolts.

[0010] As mentioned above, two slide grooves are arranged on the top of the fixing seat, and the two slide grooves are respectively arranged on both sides of the groove. A slide plate is integrally arranged at the bottom of the base plate, and the slide plate is inserted into the slide groove, and both the slide groove and the slide plate have trapezoidal cross-sections.

[0011] As mentioned above, the outlet end of the delivery pipe is fixedly connected with a fixing plate, and the fixing plate is provided with an opening communicating with the inside of the delivery pipe, and the fixing plate is provided with fixing holes near the four corners.

[0012] Compared with the prior art, the side feeding mechanism of the twin-screw extruder which is easy to clean has the following beneficial effects: the utility model forms a side feeding mechanism by arranging components such as a fixed seat, a conveying pipe, a feed pipe and spiral blades, and the conveying pipe is tightly connected to the discharge port of the extruder body by a fixed plate and screws to avoid material leakage, and a screw, a movable block and a hand wheel are arranged between the fixed seat and the bottom plate, so that the conveying pipe can be moved on the fixed seat so that the conveying pipe can be separated from the extruder body, and a detachable cover plate is arranged on the top of the conveying pipe, so as to facilitate the cleaning of the material inside the conveying pipe.

[0013] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and study, or may be taught from the practice of the present invention to some extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the delivery pipe and cover plate of the utility model;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the fixing seat of the utility model.

[0018] In the figure: 1. extruder body; 2. fixed seat; 3. conveying pipe; 4. feeding pipe; 5. first motor; 6. second motor; 7. bottom plate; 8. fixed plate; 9. hand wheel; 10. spiral blade; 11. movable block; 12. screw; 13. stirring rod; 14. cover plate; 15. slide plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] like Figure 1-4 As shown, the utility model provides a technical solution: a side feeding mechanism of a twin-screw extruder that is easy to clean, the side feeding mechanism is fixed on the extruder body 1 and connected to the feed port on the side of the extruder body 1, including a fixed seat 2, the fixed seat 2 is fixedly connected to the right side of the extruder body 1, and a support rod is fixedly connected between the bottom of the fixed seat 2 and the extruder body 1, a conveying pipe 3 is slidably connected to the fixed seat 2, and a spiral blade 10 is movably connected in the conveying pipe 3, one end of the conveying pipe 3 is closed, and a first motor 5 is fixedly connected to the outside, and the rotating shaft of the spiral blade 10 is fixedly connected to the output end of the motor, the other end of the conveying pipe 3 is connected to the feed port on the side of the extruder body 1, and a feed pipe 4 is opened on the top of the conveying pipe 3.

[0021] According to the overall structure of the device, the conveying pipe 3 is arranged on the right side of the extruder body 1 through the fixed seat 2, and the discharge end of the conveying pipe 3 is connected with the side feed port of the extruder body 1, and the material is poured into the feed pipe 4, and the material enters the conveying pipe 3 from the feed port, and the spiral blade 10 is driven to rotate by the first motor 5. When the spiral blade 10 rotates, the material is conveyed into the extruder body 1 to enter the melting and mixing of the main material.

[0022] like Figure 1 , 2 As shown, the bottom of the delivery pipe 3 is fixedly connected to the bottom of the bottom plate 7, and the bottom of the bottom plate 7 is fixedly connected to the movable block 11. The top of the fixed seat 2 is provided with a groove, and the movable block 11 is slidably connected in the groove.

[0023] The bottom plate 7 can be moved on the fixed seat 2 by means of the movable block 11 and the groove, so that the conveying pipe 3 can be kept away from the extruder body 1 , thereby facilitating the cleaning of the material inside the conveying pipe 3 .

[0024] like Figure 2 As shown, a screw rod 12 is movably connected in the groove, and the right end of the screw rod 12 extends to the outside of the fixed seat 2 and is fixedly connected to the hand wheel 9, and a threaded hole matching the screw rod 12 is opened on the movable block 11.

[0025] The screw 12 is rotated by the hand wheel 9, and the bottom plate 7 is moved by the threaded connection between the screw 12 and the movable block 11, so as to facilitate the movement of the bottom plate 7 and the upper conveying pipe 3 and other components, and facilitate the adjustment of the connection and separation between the conveying pipe 3 and the extruder body 1.

[0026] like Figure 2 As shown, a second motor 6 is fixedly connected to the right side of the feed pipe 4, an output shaft of the second motor 6 extends to the inside of the feed pipe 4, and a stirring rod 13 is fixedly connected to the output shaft.

[0027] The stirring rod 13 is driven to rotate by the second motor 6 to stir the material in the feed pipe 4, thereby preventing the material from clogging the feed pipe 4.

[0028] like Figure 3 As shown, an opening is provided at the top of the delivery pipe 3, and a cover plate 14 is provided in the opening. The cover plate 14 and the outer edge of the delivery pipe 3 are fixedly connected with connecting plates, and the connecting plates are fixed by bolts.

[0029] By arranging an opening and a cover plate 14 at the top of the conveying pipe 3, it is convenient to clean the materials inside the conveying pipe 3, and the cover plate 14 can be easily disassembled and assembled by screws and connecting plates.

[0030] like Figure 4 As shown, two slide grooves are provided on the top of the fixing seat 2, and the two slide grooves are respectively on both sides of the groove. A slide plate 15 is integrally provided at the bottom of the base plate 7, and the slide plate 15 is inserted into the slide groove, and both the slide groove and the slide plate 15 have trapezoidal cross-sections.

[0031] The bottom plate 7 and the upper components are supported by the slide groove and the slide plate 15, and the movement of the bottom plate 7 is limited to prevent the bottom plate 7 from deflecting.

[0032] like Figure 1 , 2 As shown, the outlet end of the delivery pipe 3 is fixedly connected to a fixing plate 8, and an opening communicating with the interior of the delivery pipe 3 is opened on the fixing plate 8, fixing holes are opened near the four corners of the fixing plate 8, and the fixing plate 8 is fixed to the extruder body 1 through the fixing holes and the screws in the fixing holes.

[0033] The delivery pipe 3 is tightly connected to the extruder body 1 by the fixing plate 8 and screws to avoid leakage of materials during feeding.

[0034] Working principle: When in use, the delivery pipe 3 is connected to the feed port on the right side of the extruder body 1 through the fixed plate 8 and screws, the device is connected to the external power supply, the first motor 5 and the second motor 6 are started, and the material is poured from the feed pipe 4. At this time, the output shaft of the first motor 5 rotates to drive the stirring rod 13 to rotate, and the material in the feed pipe 4 is stirred to prevent the material from clogging the feed pipe 4. After that, the material enters the delivery pipe 3, and the second motor 6 drives the spiral blade 10 to rotate. The material is transported into the extruder by the rotation of the spiral blade 10. When cleaning the feeding device, the screw is turned to loosen the fixed plate 8 from the extruder body 1, and the screw 12 is turned by the handwheel 9. The movable block 11 drives the bottom plate 7 and the delivery pipe 3 to move right, so that the delivery pipe 3 is away from the extruder body 1, and the bolt is turned to loosen the cover plate 14, and the cover plate 14 is removed, so as to facilitate the cleaning of the material inside the delivery pipe 3.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A side feeding mechanism of a twin-screw extruder that is easy to clean, the side feeding mechanism is fixed to the extruder body (1) and connected to the feed port on the side of the extruder body (1), comprising a fixing seat (2), characterized in that: The fixed seat (2) is fixedly connected to the right side of the extruder body (1), and a support rod is fixedly connected between the bottom of the fixed seat (2) and the extruder body (1), a conveying pipe (3) is slidably connected to the fixed seat (2), and a spiral blade (10) is movably connected inside the conveying pipe (3), one end of the conveying pipe (3) is closed, and a first motor (5) is fixedly connected to the outside, and the rotating shaft of the spiral blade (10) is fixedly connected to the output end of the motor, the other end of the conveying pipe (3) is connected to the side feed port of the extruder body (1), and a feed pipe (4) is opened on the top of the conveying pipe (3).

2. The side feeding mechanism of a twin-screw extruder that is easy to clean according to claim 1, characterized in that: The bottom of the delivery pipe (3) is fixedly connected to a bottom plate (7), and the bottom of the bottom plate (7) is fixedly connected to a movable block (11). A groove is formed on the top of the fixed seat (2), and the movable block (11) is slidably connected in the groove.

3. The side feeding mechanism of a twin-screw extruder that is easy to clean according to claim 2, characterized in that: A screw rod (12) is movably connected in the groove, and the right end of the screw rod (12) extends to the outside of the fixed seat (2) and is fixedly connected to a hand wheel (9). A threaded hole matching the screw rod (12) is provided on the movable block (11).

4. The easy-to-clean side feeding mechanism of a twin-screw extruder according to claim 1, characterized in that: A second motor (6) is fixedly connected to the right side of the feed pipe (4); an output shaft of the second motor (6) extends to the inside of the feed pipe (4), and a stirring rod (13) is fixedly connected to the output shaft.

5. The easy-to-clean side feeding mechanism of a twin-screw extruder according to claim 1, characterized in that: The top of the delivery pipe (3) is provided with an opening, and a cover plate (14) is provided in the opening; the cover plate (14) and the outer edge of the delivery pipe (3) are both fixedly connected with connecting plates, and the connecting plates are fixed by bolts.

6. The easy-to-clean side feeding mechanism of a twin-screw extruder according to claim 2, characterized in that: The top of the fixing seat (2) is provided with two slide grooves, the two slide grooves are respectively provided on both sides of the groove, and the bottom of the base plate (7) is integrally provided with a slide plate (15), the slide plate (15) is inserted into the slide groove, and the slide groove and the slide plate (15) are both of trapezoidal cross-section.

7. The easy-to-clean side feeding mechanism of a twin-screw extruder according to claim 1, characterized in that: The outlet end of the delivery pipe (3) is fixedly connected to a fixing plate (8), and an opening communicating with the interior of the delivery pipe (3) is provided on the fixing plate (8), fixing holes are provided near the four corners of the fixing plate (8), and the fixing plate (8) is fixed to the extruder body (1) via the fixing holes and screws in the fixing holes.

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