Granulation mechanism of internal mixer

Abstract

The utility model discloses a pelletizing mechanism of an internal mixer, which relates to the technical field of high polymer material processing and comprises a base, a sliding seat and a fixed seat are arranged at the top of the base, one side of the sliding seat is connected with a pelletizing bin, a driving shaft is arranged in the pelletizing bin, a driven shaft is arranged on one side of the fixed seat, and a feed port is arranged on one side of the fixed seat far away from the driven shaft. A discharging port is formed in the side, close to the driven shaft, of the fixing base, a plurality of pelletizing blades are arranged at the discharging port, and the pelletizing blades are detachably connected with the driven shaft. The device has the beneficial effects that the sliding seat is slidably connected with the base through the sliding rod, overall translation of the pelletizing bin is facilitated, so that the driving shaft and the driven shaft are driven to be accurately engaged, meanwhile, the circular opening of the pelletizing bin is in close contact with the side wall of the fixed seat, a relatively closed space is formed in the pelletizing bin, pelletizing is performed in the fully closed space, and the pelletizing efficiency is improved. The particle falling phenomenon in the particle cutting process is thoroughly avoided, directional airflow generated by the draught fan blows the particles out of the particle cutting bin, and meanwhile the particle cooling effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of polymer material processing technology, especially a banbury mixer granulating mechanism. BACKGROUND

[0002] The banbury mixer is a kind of closed mixing equipment, mainly used for the mixing and plasticizing of rubber, plastics and other polymer materials, with the advantages of high-efficiency mixing, closed environmental protection, good uniformity and high automation degree, and is widely used in the preparation of tire rubber, plastic modification and special materials, and is an indispensable core equipment in polymer material processing. Raw materials are repeatedly folded, extruded and rubbed in the mixing chamber to achieve uniform dispersion quickly. The mixed raw materials are extruded by an extruder and then cut into particles by a granulating mechanism. The particles are then sieved and processed further.

[0003] During the granulating process, the particles are prone to falling due to the high rotating force of the blades. In addition, the granulated particles need to be cooled before sieving, which may also cause falling and result in material loss, affecting the overall work efficiency. SUMMARY

[0004] The present part aims to provide a banbury mixer granulating mechanism that can prevent particles from falling during the granulating process.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a banbury mixer granulating mechanism, comprising a base, a sliding seat and a fixed seat are arranged on the top of the base, a granulating bin and a granulating assembly are arranged between the sliding seat and the fixed seat; the granulating bin is fixedly connected with the sliding seat, the sliding seat can move towards the fixed seat, when moving to a specific position, the granulating bin and the side wall of the fixed seat form a closed cavity; the granulating assembly comprises a driving shaft and a driven shaft that are engaged with each other, the driving shaft is located in the granulating bin, the driven shaft is connected with the fixed seat, one side of the fixed seat close to the sliding seat is provided with a discharge port, the discharge port is annular and coaxial with the driven shaft, the diameter of the discharge port is larger than the diameter of the driven shaft, and a row of granulating blades are uniformly and intervaliy arranged on the surface of the driven shaft.

[0006] As a preferred scheme of the banbury mixer granulating mechanism, the discharge port is a plurality of small holes uniformly distributed in the circumferential direction, the cutting edge of the granulating blade is flush with the discharge port, and the driven shaft rotates to drive the granulating blade to rotate and cut particles when rotating.

[0007] As a preferred scheme of the banbury mixer granulating mechanism, the side of the fixed seat away from the sliding seat is connected with a feeding port.

[0008] As a preferred scheme of the internal mixer granulating mechanism, the driving shaft and the driven shaft are provided with teeth capable of being engaged with each other on the side facing each other.

[0009] As a preferred scheme of the internal mixer granulating mechanism, the driving shaft and the driven shaft are provided with teeth capable of being engaged with each other on the side facing each other.

[0010] As a preferred scheme of the internal mixer granulating mechanism, the driving shaft and the driven shaft are provided with teeth capable of being engaged with each other on the side facing each other.

[0011] As a preferred scheme of the internal mixer granulating mechanism, the driving shaft and the driven shaft are provided with teeth capable of being engaged with each other on the side facing each other.

[0012] As a preferred scheme of the internal mixer granulating mechanism, the driving shaft and the driven shaft are provided with teeth capable of being engaged with each other on the side facing each other.

[0013] The internal mixer granulating mechanism has the following beneficial effects:

[0014] 1. The sliding seat and the base are slidably connected through the slide rod, the overall translation of the granulating bin is facilitated, the driving shaft and the driven shaft are precisely engaged, the circular opening of the granulating bin is in close contact with the side wall of the fixed seat, a relatively closed space is formed in the granulating bin, and the granulating is performed in the fully closed space, so that the phenomenon of particle falling in the granulating process is completely avoided.

[0015] 2. The fan is connected on one side of the granulating bin, the hose is connected on the other side, the directional airflow generated by the fan blows the particles out of the granulating bin, and the particles are transmitted to the screening mechanism through the hose, the cooling effect of the particles is realized in the process, and the working efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced, and the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by the ordinary skilled in the art without paying the creative and labor premise. Among them:

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2The utility model discloses a schematic diagram of the meshing state of the driving shaft and the driven shaft.

[0019] Figure 3 The utility model discloses a schematic diagram of the structure of the driven shaft and the cutting blade.

[0020] Figure 4 The utility model discloses a schematic diagram of the structure of the cutting bin.

[0021] Reference Signs: 1, base, 2, sliding seat, 3, fixed seat, 4, cutting bin, 5, driving shaft, 6, driven shaft, 7, feed inlet, 8, discharge outlet, 9, cutting blade, 10, gear teeth, 11, slide rod, 12, locking knob, 13, motor, 14, circular opening, 15, fan connecting port, 16, hose. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent and easy to understand, the specific implementation of the utility model is described in detail below with reference to the drawings of the specification.

[0023] In the following description, a large number of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and the "embodiment" referred to herein means a specific feature, structure or characteristic that can be included in at least one implementation of the utility model.

[0024] EMBODIMENT

[0025] REFERENCE Figure 1 - Figure 4 The embodiment provides a kind of cutting mechanism of internal mixer, specifically including base 1, base 1 top is equipped with sliding seat 2 and fixed seat 3, sliding seat 2 and fixed seat 3 between being equipped with cutting bin 4 and cutting assembly;Cutting bin 4 is fixedly connected with sliding seat 2, sliding seat 2 can be moved to fixed seat 3 direction, when moving to specific position, cutting bin 4 and the side wall of fixed seat 3 form airtight cavity;Cutting assembly includes the meshing driving shaft 5 and driven shaft 6 of each other, driving shaft 5 is located in cutting bin 4, driven shaft 6 is connected with fixed seat 3, the side of fixed seat 3 close to sliding seat 2 is equipped with discharge outlet 8, discharge outlet 8 is circular and with driven shaft 6 coaxial, discharge outlet 8 diameter is greater than the diameter of driven shaft 6, a circle of cutting blade 9 is uniformly arranged on the surface of driven shaft 6.

[0026] Discharge outlet 8 is the even distribution of several small holes in circumference, the cutting edge of cutting blade 9 is flush with discharge outlet 8, driven shaft 6 rotates and drives cutting blade 9 to rotate and cut. The side of fixed seat 3 away from sliding seat 2 is connected with feed inlet 7. The side of driving shaft 5 and driven shaft 6 is provided with the gear teeth 10 that can be mutually meshed.

[0027] The shafts of the driving shaft 5 and the driven shaft 6 are on the same straight line, and the driving shaft 5 and the driven shaft 6 are engaged with each other when the cutting bin 4 is moved to the appropriate position. The cutting blade 9 is at an angle, preferably 45 degrees, with the discharge port 8, and the cutting blade 9 is connected to the driven shaft 6 through a fixed block. The cutting blade 9 is connected to the fixed block through bolts, which facilitates disassembly and replacement of the cutting blade 9. The discharge port 8 is in the shape of a whole ring, and a plurality of small holes are uniformly arranged on the surface of the ring. The feeding port 7 is connected to the extruder, and the extruded strip formed by the extruder is continuously discharged through the small holes, and the cutting blade 9 is used for cutting.

[0028] The base 1 is fixedly connected with a slide rod 11 at the top, and the slide rod 11 is slidably connected with a sliding seat 2 at the bottom. The sliding seat 2 is provided with a locking knob 12 for fixing the sliding seat 2 on one side. The sliding seat 2 is provided with a motor 13 at the top, and the output shaft of the motor 13 is connected with the driving shaft 5. The cutting bin 4 is provided with a circular opening 14 on one side of the fixed seat 3. The cutting bin 4 is provided with a fan connection port 15 on one side, which is used for connecting a fan. The other side of the cutting bin 4 is connected with a hose 16. The fan blows the granular material in the cutting bin 4 into the hose 16, and the hose 16 is connected with a screening mechanism.

[0029] The locking knob 12 is screwed to fix the sliding seat 2 and the slide rod 11. The diameter of the circular opening 14 is greater than the diameter of the discharge port 8. During the engagement of the driving shaft 5 and the driven shaft 6, it is ensured that the cutting blade 9 and the discharge port 8 can enter the inside of the cutting bin 4 through the circular opening 14.

[0030] Working principle: first, the motor 13 is fixedly connected with the sliding seat 2, the output shaft of the motor 13 is fixedly connected with the driving shaft 5 in the cutting bin 4, the side wall of the cutting bin 4 is connected with the sliding seat 2, the fan connection port 15 is connected with the fan, the length of the hose 16 is appropriate according to the actual working environment, the hose 16 is connected with the screening mechanism, the locking knob 12 is loosened, the sliding seat 2 is moved towards the fixed seat 3 until the driving shaft 5 and the driven shaft 6 are engaged with each other, and then the locking knob 12 is tightened. At this time, the circular opening 14 just contacts the side wall of the fixed seat 3. Then the motor 13 is started to drive the driving shaft 5 and the driven shaft 6 to rotate. The cutting blade 9 cuts the extruded strip at the discharge port 8, and the fan blows the particles into the hose 16.

[0031] It is important to note that while only a few embodiments have been described herein, persons having ordinary skill in the art will readily devise many modifications of the embodiments disclosed without departing from the scope of the subject matter described in this application, e.g., variations in sizes, structures, shapes, and proportions of the various elements, values of the materials, temperatures, pressures, mounting arrangements, uses of materials, colors, orientations, number of pieces, etc.; and when actual data are depicted influence values will depend on the design factors of the devices. All such modifications of the embodiments herein disclosed, made in accordance with the teachings of the application, are to be considered within the scope of the application, as described in the following claims.

Claims

1. A pelletizing mechanism for an internal mixer, comprising a base (1), characterized in that, The base (1) is provided with a sliding seat (2) and a fixed seat (3) on the top, and a pelletizing bin (4) and a pelletizing assembly are provided between the sliding seat (2) and the fixed seat (3); The pelletizing bin (4) is fixedly connected to the sliding seat (2). The sliding seat (2) can move towards the fixed seat (3). When it moves to a specific position, the pelletizing bin (4) and the side wall of the fixed seat (3) form a sealed cavity. The pelletizing assembly includes a drive shaft (5) and a driven shaft (6) that mesh with each other. The drive shaft (5) is located inside the pelletizing bin (4). The driven shaft (6) is connected to a fixed seat (3). The fixed seat (3) has a discharge port (8) on the side near the sliding seat (2). The discharge port (8) is annular and coaxial with the driven shaft (6). The diameter of the discharge port (8) is larger than the diameter of the driven shaft (6). A ring of pelletizing blades (9) is evenly spaced on the surface of the driven shaft (6).

2. The pelletizing mechanism of the internal mixer as described in claim 1, characterized in that, The discharge port (8) consists of several small holes evenly distributed around the circumference. The cutting edge of the pelletizing blade (9) is flush with the discharge port (8). When the passive shaft (6) rotates, it drives the pelletizing blade (9) to rotate for pelletizing.

3. The pelletizing mechanism of the internal mixer as described in claim 1, characterized in that, The fixed seat (3) is connected to the feed inlet (7) on the side away from the sliding seat (2).

4. The pelletizing mechanism of the internal mixer as described in claim 1, characterized in that, The active shaft (5) and the passive shaft (6) are provided with teeth (10) that can mesh with each other on opposite sides.

5. The pelletizing mechanism of the internal mixer as described in claim 1, characterized in that, The base (1) is fixedly connected to the top of a slide rod (11), which is slidably connected to the bottom of the sliding seat (2). A locking knob (12) for fixing the sliding seat (2) is provided on one side of the sliding seat (2).

6. The pelletizing mechanism of the internal mixer as described in claim 1, characterized in that, The top of the sliding seat (2) is provided with a motor (13), and the output shaft of the motor (13) is connected to the drive shaft (5).

7. The pelletizing mechanism of the internal mixer as described in claim 1, characterized in that, The pelletizing bin (4) is provided with a circular opening (14) on one side of the fixed base (3).

8. The pelletizing mechanism of the internal mixer as described in claim 1, characterized in that, The pelletizing bin (4) is provided with a fan connection port (15) on one side, which is used to connect a fan. The pelletizing bin (4) is connected to a hose (16) on the other side. The fan blows the granular material in the pelletizing bin (4) into the hose (16). The hose (16) is connected to the sieving mechanism.

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