Double-screw granulator

Abstract

The utility model relates to the technical field of pelletizers, in particular to a double-screw pelletizer which comprises a base and a motor, the motor is fixedly mounted above the base, two rotating shafts are arranged on one side of the motor, screws are fixedly connected to the peripheral sides of the rotating shafts, one end of one rotating shaft close to the motor is fixedly connected with an output shaft of the motor, and the other end of the other rotating shaft close to the motor is fixedly connected with the output shaft of the motor. The peripheral side of the rotating shaft is fixedly connected with gears, the two gears are arranged in a meshed mode, the sealing assembly is located above the base and arranged on the outer side of the screw in a sleeving mode, the connecting assembly is used for installing the sealing assembly and is symmetrically arranged, and the communicating assembly is located above the upper shell and used for communicating with the sealing assembly. The sealing assembly and the connecting assembly are arranged, so that the sealing assembly can protect the screw rod, the screw rod can operate normally, a worker can disassemble and assemble the sealing assembly through the connecting assembly, and the worker can maintain the screw rod conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of Z installation equipment, in particular to a twin-screw granulator. Background Art

[0002] Twin-screw granulator is a kind of equipment used for filling, blending, modifying, increasing, chlorinating, processing polypropylene and super absorbent resin of rubber, plastic and engineering resin. It is widely used in material preparation and granulation processing in the home appliance industry.

[0003] In the prior art, a Chinese patent publication number CN217862223U discloses a twin-screw air-cooled granulator, which belongs to the technical field of twin-screw air-cooled granulators. The twin-screw air-cooled granulator comprises a twin-screw air-cooled granulator body; a mounting seat, the mounting seat is fixedly connected to one side end of the twin-screw air-cooled granulator body, the upper end of the mounting seat is fixedly connected to a motor, and the output end of the motor movably passes through one side inner wall of the twin-screw air-cooled granulator body; and a first support plate, the first support plate is fixedly connected to the inner surface of the twin-screw air-cooled granulator body.

[0004] The twin-screw extruder devices of the existing twin-screw granulators are mostly located inside the shell, and the shell is often an integral whole and fixedly installed with the base, which is inconvenient to disassemble. When the internal device is damaged, it is inconvenient for personnel to repair it. Based on this, we propose a twin-screw granulator. Utility Model Content

[0005] The purpose of the utility model is to provide a twin-screw granulator to solve the problem that the twin-screw extruder of the existing twin-screw granulator mentioned in the above background technology is mostly located inside the shell, and the shell is often a whole and fixedly installed with a base, which is not convenient for disassembly and maintenance by personnel when the internal device is damaged.

[0006] The technical solution of the utility model is: a twin-screw granulator, comprising a base and a motor, wherein the motor is fixedly mounted above the base, one side of the motor is provided with two rotating shafts, the peripheral side of the rotating shafts is fixedly connected with screws, one end of one of the rotating shafts close to the motor is fixedly connected with the output shaft of the motor, the peripheral side of the rotating shafts is fixedly connected with gears, and the two gears are meshed and arranged, and further comprising:

[0007] A sealing assembly, the sealing assembly is located above the base, and the sealing assembly is sleeved on the outside of the screw;

[0008] A connecting assembly, the connecting assembly is used to install the sealing assembly, and the connecting assembly is symmetrically arranged;

[0009] A connecting component is located above the upper shell body and is connected with the sealing component.

[0010] Preferably, the sealing assembly includes a lower shell and an upper shell, the lower shell is located above the base, the bottom end of the lower shell is fixedly connected to a plurality of support blocks, the bottom ends of the support blocks are fixedly connected to the top surface of the base, the upper shell is located above the lower shell, and the lower shell and upper shell are respectively located below and above the screw.

[0011] Preferably, the connecting assembly comprises a lower connecting plate and an upper connecting plate, the lower connecting plates have two, the lower connecting plates are respectively located at two sides of the lower shell body, the lower connecting plate is fixedly connected to the side wall of the lower shell body, the upper connecting plates have two, the upper connecting plates are respectively located at two sides of the upper shell body, the upper connecting plate is fixedly connected to the side wall of the upper shell body, the bottom surface of the upper connecting plate is abutted against the top surface of the lower connecting plate, the top surface of the upper connecting plate is provided with a plurality of placement grooves arranged at equal intervals, the top surface of the upper connecting plate is provided with a plurality of through holes arranged at equal intervals, the inner bottom surface of the placement groove is fixedly connected with a tension spring, the other end of the tension spring is fixedly connected with a rotating ring, a connecting cover is provided above the tension spring, the bottom surface of the connecting cover is provided with a rotating groove, the rotating ring is rotatably connected to the inner wall of the rotating groove, and the connecting The bottom surface of the connecting cover is fixedly connected with a connecting column, the bottom end of the connecting column is fixedly connected with a first limit block, the side wall of the first limit block is fixedly connected with a second limit block, the top surface of the lower connecting plate is provided with a plurality of equally spaced makeshift grooves, the inner bottom surface of the makeshift groove is provided with a first limit groove, the side wall of the first limit groove is provided with a second limit groove, the connecting column is located in the corresponding makeshift groove, the first limit block is located in the corresponding first limit groove, the first limit block is rotatably connected to the inner wall of the first limit groove, the second limit block is located in the corresponding second limit groove, the second limit block is rotatably connected to the inner wall of the second limit groove, the bottom surface of the upper connecting plate is fixedly connected with two plug blocks, the top surface of the lower connecting plate is provided with two plug holes, the plug blocks are located in the plug holes, and the plug blocks are snap-fitted with the corresponding plug holes.

[0012] Preferably, a support frame is fixedly connected to the top surface of the base, and a feeding mechanism is fixedly connected to the side wall of the support frame.

[0013] Preferably, the connecting component includes a feed pipe and a first connecting pipe, the feed pipe is fixedly connected to the bottom surface of the feed mechanism, the feed pipe is located below the feed mechanism, the feed pipe is communicated with the feed mechanism, a first limiting ring is fixedly connected to the circumference of the feed pipe, the first connecting pipe is sleeved on the circumference of the feed pipe, a second limiting ring is fixedly connected to the inner wall of the first connecting pipe, the top of the first limiting ring is abutted against the bottom end of the second limiting ring, a second connecting pipe is arranged below the first connecting pipe, the second connecting pipe is fixedly connected to the top surface of the upper shell body, the second connecting pipe is communicated with the upper shell body, the circumferences of the first connecting pipe and the second connecting pipe are fixedly connected with flanges, and the two flanges are installed by bolts.

[0014] Preferably, the rotating shaft passes through the side walls of the lower shell and the upper shell, and the rotating shaft is rotatably connected to the side walls of the lower shell and the upper shell.

[0015] The utility model provides a twin-screw granulator through improvement, which has the following improvements and advantages compared with the prior art:

[0016] 1. The utility model provides a sealing component and a connecting component, so that the sealing component can protect the screw rod, the screw rod can operate normally, and personnel can disassemble and assemble the sealing component through the connecting component, which is convenient for personnel to perform maintenance.

[0017] 2. The utility model provides a connecting component so that the raw materials can enter the upper shell from the feed pipe, the first connecting pipe and the second connecting pipe, and when the connecting component is disassembled, it can be conveniently disassembled and assembled with the sealing component. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the screw area explosion structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the connecting column area of ​​the utility model;

[0022] Figure 4 This is a schematic diagram of the explosion structure of the connecting column area of ​​the utility model;

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the upper connecting plate area of ​​the utility model;

[0024] Figure 6 It is a schematic diagram of the cross-sectional structure of the lower connecting plate area of ​​the utility model;

[0025] Figure 7 It is a schematic diagram of the explosion structure of the first connecting pipe area of ​​the utility model.

[0026] Description of reference numerals:

[0027] 1. Base; 2. Motor; 3. Rotating shaft; 4. Screw; 5. Gear; 6. Lower shell; 7. Upper shell; 8. Discharge pipe; 9. Lower connecting plate; 10. Upper connecting plate; 11. Placement slot; 12. Through hole; 13. Tension spring; 14. Rotating ring; 15. Connecting cover; 16. Rotating slot; 17. Connecting column; 18. First limit block; 19. Second limit block; 20. Give way slot; 21. First limit slot; 22. Second limit slot; 23. Insert block; 24. Insert hole; 25. Support frame; 26. Feed mechanism; 27. Feed pipe;

[0028] 28. First limiting ring; 29. ​​First connecting tube; 30. Second limiting ring; 31. Second connecting tube;

[0029] 32. Flange. DETAILED DESCRIPTION

[0030] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0031] like Figure 1 - Figure 7 As shown, a twin-screw granulator includes a base 1 and a motor 2, wherein the motor 2 is fixedly mounted above the base 1, two rotating shafts 3 are arranged on one side of the motor 2, a screw 4 is fixedly connected to the peripheral side of the rotating shaft 3, one end of one of the rotating shafts 3 close to the motor 2 is fixedly connected to the output shaft of the motor 2, a gear 5 is fixedly connected to the peripheral side of the rotating shaft 3, and the two gears 5 are meshed. The machine also includes:

[0032] A sealing assembly is located above the base 1 and is sleeved on the outside of the screw 4;

[0033] A connecting component, which is used to install the sealing component and is symmetrically arranged;

[0034] The connecting component is located above the upper shell 7 and is connected with the sealing component.

[0035] Furthermore, the sealing assembly includes a lower shell 6 and an upper shell 7. The lower shell 6 is located above the base 1. The bottom end of the lower shell 6 is fixedly connected to a plurality of support blocks. The bottom ends of the support blocks are fixedly connected to the top surface of the base 1. The upper shell 7 is located above the lower shell 6. The lower shell 6 and the upper shell 7 are respectively located below and above the screw 4, so that the sealing assembly can protect the screw and the screw can operate normally.

[0036] Furthermore, the connecting assembly includes a lower connecting plate 9 and an upper connecting plate 10, wherein there are two lower connecting plates 9, which are respectively located on both sides of the lower shell body 6, and the lower connecting plates 9 are fixedly connected to the side walls of the lower shell body 6, and there are two upper connecting plates 10, which are respectively located on both sides of the upper shell body 7, and the upper connecting plates 10 are fixedly connected to the side walls of the upper shell body 7, and the bottom surface of the upper connecting plate 10 abuts against the top surface of the lower connecting plate 9, and the top surface of the upper connecting plate 10 is provided with a plurality of placement grooves 11 arranged at equal intervals, and the top surface of the upper connecting plate 10 is provided with a plurality of through holes 12 arranged at equal intervals, and the inner bottom surface of the placement groove 11 is fixedly connected with a tension spring 13, and the other end of the tension spring 13 is fixedly connected with a rotating ring 14, and a connecting cover 15 is provided above the tension spring 13, and a rotating groove 16 is provided on the bottom surface of the connecting cover 15, and the rotating ring 14 is rotatably connected to the inner wall of the rotating groove 16, and a connecting column 17 is fixedly connected to the bottom surface of the connecting cover 15, and the connecting column 17 The bottom end is fixedly connected with a first limit block 18, and the side wall of the first limit block 18 is fixedly connected with a second limit block 19. The top surface of the lower connecting plate 9 is provided with a plurality of equally spaced makeshift grooves 20, and the inner bottom surface of the makeshift groove 20 is provided with a first limit groove 21, and the side wall of the first limit groove 21 is provided with a second limit groove 22. The connecting column 17 is located in the corresponding makeshift groove 20, and the first limit block 18 is located in the corresponding first limit groove 21. The first limit block 18 is rotatably connected to the inner wall of the first limit groove 21, and the second limit block 19 is located in the corresponding second limit groove 22. The second limit block 19 is rotatably connected to the inner wall of the second limit groove 22. The bottom surface of the upper connecting plate 10 is fixedly connected with two plug blocks 23, and the top surface of the lower connecting plate 9 is provided with two plug holes 24, and the plug blocks 23 are located in the plug holes 24, and the plug blocks 23 are snap-fitted with the corresponding plug holes 24, so that personnel can disassemble and assemble the sealing component through the connecting component, which is convenient for personnel to perform maintenance.

[0037] Furthermore, a support frame 25 is fixedly connected to the top surface of the base 1, and a feeding mechanism 26 is fixedly connected to the side wall of the support frame 25. This is a prior art and is relatively mature, so it will not be described in detail here.

[0038] Furthermore, the connecting component includes a feed pipe 27 and a first connecting pipe 29, the feed pipe 27 is fixedly connected to the bottom surface of the feed mechanism 26, the feed pipe 27 is located below the feed mechanism 26, the feed pipe 27 is communicated with the feed mechanism 26, a first limiting ring 28 is fixedly connected to the circumference of the feed pipe 27, the first connecting pipe 29 is sleeved on the circumference of the feed pipe 27, a second limiting ring 30 is fixedly connected to the inner wall of the first connecting pipe 29, the top of the first limiting ring 28 is abutted against the bottom end of the second limiting ring 30, a second connecting pipe 31 is arranged below the first connecting pipe 29, the second connecting pipe 31 is fixedly connected to the top surface of the upper shell 7, the second connecting pipe 31 is communicated with the upper shell 7, the circumference of the first connecting pipe 29 and the second connecting pipe 31 are fixedly connected to the flange 32, the two flanges 32 are installed by bolts, so that after the bolts on the flange 32 are removed, the first connecting pipe 29 is released from the limit, which is convenient for personnel to remove the upper shell 7.

[0039] Furthermore, the rotating shaft 3 passes through the side walls of the lower shell 6 and the upper shell 7 , and the rotating shaft 3 is rotatably connected to the side walls of the lower shell 6 and the upper shell 7 .

[0040] Working principle: when personnel need to open the upper shell 7 to repair the structure inside the lower shell 6 and the upper shell 7, the personnel first remove the bolts on the flange 32. At this time, the first connecting pipe 29 is unrestricted, and the personnel rotate the connecting cover 15. Since the rotating ring 14 is rotatably connected with the rotating groove 16, the tension spring 13 will not rotate with the rotation of the connecting cover 15. At this time, the connecting cover 15 drives the first limit block 18 and the second limit block 19 to rotate through the connecting column 17, so that the second limit block 19 rotates out of the second limit groove 22. At this time, the personnel lifts up the connecting cover 15, and the connecting cover 15 drives the rotating ring 14 in the rotating groove 16 to move upward, so that the tension spring 13 is stretched upward. The personnel rotates the connecting cover 15. The connecting cover 15 is connected so that the connecting cover 15 drives the first limit block 18 and the second limit block 19 to rotate in the clearance groove 20 through the connecting column 17. The connecting cover 15 is loosened, and the tension spring 13 rebounds downward to move the connecting cover 15 downward, so that the bottom surfaces of the first limit block 18 and the second limit block 19 are against the inner bottom surface of the clearance groove 20. When some of the second limit blocks 19 are located in the clearance groove 20, the personnel lifts up the upper shell 7. At this time, the connecting column 17, the first limit block 18 and the second limit block 19 are moved out of the clearance groove 20. At this time, the second connecting pipe 31 drives the first connecting pipe 29 to move upward. The personnel then moves the upper shell 7 to one side, and the upper shell 7 can be taken out to repair the internal structure.

[0041] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A twin-screw granulator, comprising a base (1) and a motor (2), characterized in that: The motor (2) is fixedly mounted above the base (1); two rotating shafts (3) are arranged on one side of the motor (2); a screw (4) is fixedly connected to the circumference of the rotating shaft (3); one end of one of the rotating shafts (3) close to the motor (2) is fixedly connected to the output shaft of the motor (2); a gear (5) is fixedly connected to the circumference of the rotating shaft (3); the two gears (5) are meshed and arranged; and further comprising: A sealing assembly, the sealing assembly being located above the base (1) and being sleeved on the outside of the screw (4); A connecting assembly, the connecting assembly is used to install the sealing assembly, and the connecting assembly is symmetrically arranged; A communication component is located above the upper shell (7) and is connected to the sealing component.

2. A twin-screw granulator according to claim 1, characterized in that: The sealing assembly comprises a lower shell (6) and an upper shell (7), wherein the lower shell (6) is located above the base (1), the bottom end of the lower shell (6) is fixedly connected to a plurality of support blocks, the bottom ends of the support blocks are fixedly connected to the top surface of the base (1), the upper shell (7) is located above the lower shell (6), and the lower shell (6) and the upper shell (7) are respectively located below and above the screw rod (4).

3. A twin-screw granulator according to claim 2, characterized in that: The connecting assembly comprises a lower connecting plate (9) and an upper connecting plate (10), wherein there are two lower connecting plates (9), and the lower connecting plates (9) are respectively located on both sides of the lower shell (6), and the lower connecting plates (9) are fixedly connected to the side walls of the lower shell (6); and there are two upper connecting plates (10), and the upper connecting plates (10) are respectively located on both sides of the upper shell (7), and the upper connecting plates (10) are fixedly connected to the side walls of the upper shell (7), and the bottom surface of the upper connecting plate (10) abuts against the top surface of the lower connecting plate (9), and the top surface of the upper connecting plate (10) is provided with A plurality of placement grooves (11) are arranged at equal intervals, a plurality of through holes (12) are arranged at equal intervals on the top surface of the upper connection plate (10), a tension spring (13) is fixedly connected to the inner bottom surface of the placement groove (11), a rotating ring (14) is fixedly connected to the other end of the tension spring (13), a connection cover (15) is arranged above the tension spring (13), a rotating groove (16) is arranged on the bottom surface of the connection cover (15), the rotating ring (14) is rotatably connected to the inner wall of the rotating groove (16), and the bottom surface of the connection cover (15) is fixedly connected to the inner wall of the rotating groove (16). The lower connecting plate (9) is fixedly connected with a connecting column (17), the bottom end of the connecting column (17) is fixedly connected with a first limiting block (18), the side wall of the first limiting block (18) is fixedly connected with a second limiting block (19), the top surface of the lower connecting plate (9) is provided with a plurality of equally spaced giving grooves (20), the inner bottom surface of the giving groove (20) is provided with a first limiting groove (21), the side wall of the first limiting groove (21) is provided with a second limiting groove (22), the connecting column (17) is located in the corresponding giving groove (20), the first limiting block (18) is located In the corresponding first limiting groove (21), the first limiting block (18) is rotatably connected to the inner wall of the first limiting groove (21), the second limiting block (19) is located in the corresponding second limiting groove (22), the second limiting block (19) is rotatably connected to the inner wall of the second limiting groove (22), the bottom surface of the upper connecting plate (10) is fixedly connected with two plug blocks (23), the top surface of the lower connecting plate (9) is provided with two plug holes (24), the plug blocks (23) are located in the plug holes (24), and the plug blocks (23) are snap-fitted with the corresponding plug holes (24).

4. A twin-screw granulator according to claim 1, characterized in that: The top surface of the base (1) is fixedly connected to a support frame (25), and the side wall of the support frame (25) is fixedly connected to a feeding mechanism (26).

5. A twin-screw granulator according to claim 4, characterized in that: The connecting component comprises a feed pipe (27) and a first connecting pipe (29); the feed pipe (27) is fixedly connected to the bottom surface of the feed mechanism (26); the feed pipe (27) is located below the feed mechanism (26); the feed pipe (27) is connected to the feed mechanism (26); a first limiting ring (28) is fixedly connected to the circumference of the feed pipe (27); the first connecting pipe (29) is sleeved on the circumference of the feed pipe (27); a second limiting ring (28) is fixedly connected to the inner wall of the first connecting pipe (29); The first connecting tube (29) is provided with a second connecting tube (31), the top end of the first limiting ring (28) is abutted against the bottom end of the second limiting ring (30), the second connecting tube (31) is fixedly connected to the top surface of the upper shell (7), the second connecting tube (31) is communicated with the upper shell (7), the first connecting tube (29) and the second connecting tube (31) are fixedly connected to the circumferential sides with flanges (32), and the two flanges (32) are installed by bolts.

6. A twin-screw granulator according to claim 1, characterized in that: The rotating shaft (3) passes through the side walls of the lower shell (6) and the upper shell (7), and the rotating shaft (3) is rotatably connected to the side walls of the lower shell (6) and the upper shell (7).

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