Stirring and mixing mechanism of internal mixer

Abstract

The utility model belongs to the technical field of internal mixers, and particularly relates to a stirring and mixing mechanism of an internal mixer, which comprises an internal mixer body and further comprises a mixing tank mounted in the internal mixer body, a mixing chamber and a feeding chamber which are arranged in the mixing tank, a stirring assembly comprising a stirring roller and a driving motor, and a driving assembly comprising a driving motor, the stirring roller is rotatably arranged in the mixing tank, and the driving motor is mounted on the internal mixer body and used for driving the stirring roller to rotate; the upper sealing assembly is movably arranged in the feeding cavity and used for blocking the feeding port; the lower sealing assembly is movably arranged in the internal mixer body, is positioned below the mixing tank and is used for blocking the discharge hole; and the collecting tank is arranged in the internal mixer body and is used for collecting materials discharged from the discharge hole. The closed mixing device has the beneficial effects that the closed mixing is realized, and meanwhile, the materials can be quickly discharged, so that the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to internal mixer technical field especially relates to a stirring and mixing mechanism of internal mixer. BACKGROUND

[0002] Internal rubber mixer is called internal mixer, and is mainly used for plasticizing and mixing rubber, and the internal mixer is a machine provided with a pair of rotors with specific shapes and relative rotation, and is used for plasticizing and mixing polymer materials in a closed state with adjustable temperature and pressure.

[0003] In the prior art, most of the internal mixers cannot realize rapid discharge of the material due to the design of the discharge structure, so that the discharge of the mixed material is slow and the working efficiency is low. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above-mentioned technical problems, and provides a stirring and mixing mechanism of internal mixer, which solves the above-mentioned technical problems.

[0005] Therefore, the utility model provides a stirring and mixing mechanism of internal mixer, which comprises an internal mixer body and further comprises:

[0006] The mixing tank is installed in the internal mixer body, and a mixing chamber and a feeding chamber are arranged in the mixing tank, the mixing chamber comprises a feeding port and a discharge port,

[0007] The stirring assembly comprises a stirring roller and a driving motor, the stirring roller is rotatably arranged in the mixing tank, and the driving motor is installed on the internal mixer body and used for driving the stirring roller to rotate;

[0008] The upper sealing assembly is movably arranged in the feeding chamber and used for blocking the feeding port;

[0009] The lower sealing assembly is movably arranged in the internal mixer body below the mixing tank and used for blocking the discharge port;

[0010] The collecting tank is installed in the internal mixer body and used for collecting the material discharged from the discharge port.

[0011] Further, the upper sealing assembly comprises:

[0012] The upper sealing block is movably arranged in the feeding chamber;

[0013] The first driving air cylinder is installed on the mixing tank and used for driving the upper sealing block to move.

[0014] Further, the lower sealing assembly comprises:

[0015] A lower sealing block is arranged below the mixing kettle and is arranged to be liftable;

[0016] A lifting module is movably arranged in the internal body of the internal mixer and is used to drive the lower sealing block to move up and down;

[0017] A translation module is installed in the internal body of the internal mixer and is used to drive the lifting module to move in translation.

[0018] Further, the lifting module comprises:

[0019] A second driving cylinder is installed on the translation module;

[0020] A fixed seat is installed on the output end of the second driving cylinder;

[0021] The lower sealing block is installed on the fixed seat.

[0022] Further, a buffer is arranged on the fixed seat and is used to abut against the bottom of the mixing kettle.

[0023] Further, the translation module comprises:

[0024] A moving seat is installed on the second driving cylinder;

[0025] A sliding block guide rail module movably connects the moving seat and the internal body of the internal mixer;

[0026] A third driving cylinder is installed on the internal body of the internal mixer and is used to drive the moving seat to move.

[0027] Further, a scraping plate is arranged on the bottom of the mixing kettle.

[0028] The internal mixer has the following beneficial effects:

[0029] When the stirring and mixing mechanism of the internal mixer works, the translation module and the lifting module are used to drive the lower sealing block to block the discharge port of the mixing kettle, then the raw materials enter the mixing kettle through the feeding chamber, and then the upper sealing block moves to block the feeding port, so that the raw materials can be stirred and mixed in a closed environment. After the mixing process is completed, the lifting module and the translation module are used to drive the lower sealing block to move, so that the discharge port is completely opened, and the processed materials can be directly discharged through the discharge port and dropped into the collecting tank for storage. The closed mixing is realized, and the rapid discharging is also completed, so that the utility is high. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is the overall structure of the utility model and is a sectional view;

[0031] Figure 2 is a local structure of the utility model and is a schematic view;

[0032] Figure 3 are the mixing chambers of the mixing tank Figure 1 A structure enlarged schematic view of the inside of the mixing tank;

[0033] The figure marked as:

[0034] 1, mixing tank; 2, mixing chamber; 3, feeding chamber; 4, feeding port; 5, discharge port; 6, stirring roller; 7, driving motor; 8, upper sealing block; 9, lower sealing block; 10, collecting tank; 11, second driving cylinder; 12, fixed seat; 13, moving seat; 14, sliding block guide rail module; 15, third driving cylinder; 16, scraping plate; 17, support frame; 18, first feeding part; 19, second feeding part; 20, buffer. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0036] In the description of the present application, it should be noted that the terms used herein are only for the purpose of describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For the convenience of description, the size of each part shown in the drawings is not drawn according to the actual proportional relationship. The technology, method and equipment known to those skilled in the relevant art may not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as only exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0037] Example 1:

[0038] The embodiment provides a mixing and stirring mechanism of an internal mixer, comprising an internal mixer body, and further comprising:

[0039] The mixing tank 1 is installed in the internal mixer body, and the mixing tank 1 is provided with a mixing chamber 2 and a feeding chamber 3 in the mixing tank 1, the mixing chamber 2 comprises a feeding port 4 and a discharge port 5,

[0040] The stirring assembly comprises a stirring roller 6 rotatably arranged in the mixing tank 1 and a driving motor 7 mounted on the mixer body for driving the stirring roller 6 to rotate.

[0041] The upper sealing assembly is movably arranged in the feeding chamber 3 and used for blocking the feeding port 4.

[0042] The lower sealing assembly is movably arranged in the mixer body below the mixing tank 1 and used for blocking the discharging port 5.

[0043] The collecting tank 10 is mounted in the mixer body and used for collecting the materials discharged from the discharging port 5.

[0044] In the technical solution, the stirring and mixing structure is arranged in the mixer body for use, and the specific structure of the mixer body is the prior art disclosed and will not be described in detail, and is not shown in the drawings. The mixing tank 1 is arranged in the mixer body, and the first feeding part 18 and the second feeding part 19 are arranged on the mixing tank 1 and respectively connected with the feeding chamber 3 of the mixing tank 1. The first feeding part 18 and the second feeding part 19 can be used for feeding rubber raw materials and various additives such as vulcanizing agents and accelerators into the mixing tank 1, and the raw materials enter the mixing chamber 2 through the feeding chamber 3 for mixing processing.

[0045] During the mixing processing, the upper sealing assembly and the lower sealing assembly are moved to block the feeding port 4 and the discharging port 5 of the mixing chamber 2, so that the inside of the mixing chamber 2 is in a closed environment, and then the driving motor 7 controls the two stirring rollers 6 in the mixing tank 1 to rotate, so as to accelerate the mixing of the raw materials and realize the processing and production of rubber.

[0046] Further, the upper sealing assembly comprises an upper sealing block 8 movably arranged in the feeding chamber 3 and a first driving cylinder mounted on the mixing tank 1 and used for driving the upper sealing block 8 to move. The shape structure of the upper sealing block 8 is matched with the feeding port 4. The first driving cylinder is used for controlling the upper sealing block 8 to move downward along the feeding chamber 3 to the feeding port 4, so as to block the feeding port 4 and prevent the materials from going out of the mixing chamber 2 through the feeding port 4 during the stirring and mixing process, thereby avoiding the influence of the processing and production efficiency of rubber.

[0047] Further, the lower sealing assembly comprises: a lower sealing block 9, which is arranged below the mixing tank 1 in a liftable manner; a lifting module, which is movably arranged in the internal mixer body and used to drive the lower sealing block 9 to move up and down; and a translation module, which is installed in the internal mixer body and used to drive the lifting module to translate. In operation, the shape and structure of the upper sealing block 8 are adapted to the discharge port 5, the translation module is used to drive the lifting module and the lower sealing block 9 to translate together to below the discharge port 5 of the mixing tank 1, and then the lifting module drives the lower sealing block 9 to move up, so as to block the discharge port 5.

[0048] In summary, in operation of the stirring and mixing mechanism of the internal mixer, the translation module and the lifting module are used to drive the lower sealing block 9 to block the discharge port 5 of the mixing tank 1, then the raw materials enter the mixing tank 1 through the feeding chamber 3, and then the upper sealing block 8 moves to block the feeding port 4, so that the raw materials can be stirred and mixed in a closed environment. After the mixing process is completed, the lifting module and the translation module are used to drive the lower sealing block 9 to move, so that the discharge port 5 is completely opened, and the processed materials can be directly discharged through the discharge port 5 and dropped into the collecting tank 10 for storage. The closed mixing and the rapid discharging are realized, and the practicality is high.

[0049] Embodiment 2

[0050] The embodiment provides a stirring and mixing mechanism of an internal mixer, which has the following technical features in addition to the technical solutions of the above embodiments.

[0051] Further, the lifting module comprises:

[0052] a second driving cylinder 11, which is installed on the translation module;

[0053] a fixed seat 12, which is installed on the output end of the second driving cylinder 11;

[0054] The lower sealing block 9 is installed on the fixed seat 12.

[0055] In the technical solution, the second driving cylinder 11 is used to control the fixed seat 12 to move up and down, so as to drive the lower sealing block 9 installed on the fixed seat 12 to move up and down, thereby realizing the closing and opening of the discharge port 5. Further, the fixed seat 12 is provided with a buffer 20, which is used to abut against the bottom of the mixing tank 1. The buffer 20 can be a metal “V”-shaped support plate, which has a certain elasticity. When the lower sealing block 9 blocks the discharge port 5, one side of the support plate is fixedly connected to the fixed seat 12, and the other side abuts against the tank bottom of the mixing tank 1, so as to have a certain buffering effect, and the tank bottom of the mixing tank 1 tightly abuts against the “V”-shaped support plate, so as to have a certain sealing effect.

[0056] Embodiment 3:

[0057] The embodiment provides a stirring and mixing mechanism of an internal mixer.

[0058] Further, the translation module comprises:

[0059] The moving base 13 is provided with the second driving cylinder 11.

[0060] The sliding block guide rail module 14 is used for movably connecting the moving base 13 and the internal mixer body.

[0061] The third driving cylinder 15 is installed on the internal mixer body and is used for driving the moving base 13 to move.

[0062] In the technical scheme, the translation module can be composed of the moving base 13, the sliding block guide rail module 14 and the third driving cylinder 15, the support frame 17 in an integral structure with the body is arranged in the body, the through hole is arranged on the support frame 17, the moving base 13 movably arranged on the support frame 17 through the sliding block guide rail module 14 is arranged below the support frame 17, and the third driving cylinder 15 is installed on the support frame 17. When the lower sealing block 9 is controlled to descend by the second driving cylinder 11, the moving base 13 is controlled to move away from the mixing tank 1 by the third driving cylinder 15, so that the processed material can be discharged from the discharge port 5.

[0063] Further, the mixing tank 1 is further provided with the scraping plate 16 on the bottom. The shape structure of the scraping plate 16 is matched with the end surface structure of the lower sealing block 9 for plugging the discharge port 5. Through the structure design, the end surface of the lower sealing block 9 for plugging the discharge port 5 is scraped by the scraping plate 16 during the movement of the moving base 13 away from the mixing tank 1, the material left on the lower sealing block 9 is scraped into the collecting tank 10, waste caused by material residues is prevented, and the practicality is high.

[0064] The embodiments of the application are described above with reference to the drawings, and the embodiments and the features in the embodiments in the application can be combined with each other without conflict, the application is not limited to the above-mentioned specific embodiments, and the above-mentioned specific embodiments are only illustrative but not limited, and a person skilled in the art can make many forms under the guidance of the application without departing from the purpose of the application and the protection scope of the claims, and all the forms belong to the protection of the application.

Claims

1. A mixing and kneading mechanism for an internal mixer, comprising an internal mixer body, characterized in that, Also includes: Mixing tank (1), the mixing tank (1) is installed in the body of the internal mixer, the mixing tank (1) is provided with a mixing chamber (2) and a feeding chamber (3), the mixing chamber (2) includes a feeding port (4) and a discharging port (5). The stirring assembly includes a stirring roller (6) and a drive motor (7). The stirring roller (6) is rotatably disposed inside the mixing tank (1), and the drive motor (7) is mounted on the body of the internal mixer to drive the stirring roller (6) to rotate. Upper sealing assembly, which is movably disposed in the feed chamber (3) for sealing the feed inlet (4); The lower sealing assembly is movably disposed in the body of the internal mixer and located below the mixing tank (1) for sealing the discharge port (5). Collection tank (10), which is installed in the body of the internal mixer, is used to collect the material discharged from the discharge port (5).

2. The mixing and stirring mechanism of a self-mixing machine according to claim 1, characterized in that, The upper sealing assembly includes: Upper sealing block (8), which is movably disposed in the feed chamber (3); The first driving cylinder is installed on the mixing tank (1) and is used to drive the upper sealing block (8) to move.

3. The mixing and kneading mechanism of a self-mixing machine according to claim 1, characterized in that, The lower sealing assembly includes: The lower sealing block (9) is vertically and flexibly positioned below the mixing tank (1); A lifting module is movably installed inside the internal mixer to drive the lower sealing block (9) to move up and down. A translation module is installed inside the internal mixer and is used to drive the lifting module to translate.

4. The mixing and stirring mechanism of an internal mixer according to claim 3, characterized in that, The lifting module includes: The second drive cylinder (11) is mounted on the translation module; A fixed base (12) is mounted on the output end of the second drive cylinder (11); The lower sealing block (9) is installed on the fixed base (12).

5. The mixing and stirring mechanism of an internal mixer according to claim 4, characterized in that, The fixed base (12) is also provided with a buffer (20), which is used to abut the bottom of the mixing tank (1).

6. The mixing and stirring mechanism of an internal mixer according to claim 4, characterized in that, The translation module includes: The movable seat (13) is on which the second drive cylinder (11) is mounted; The slider guide rail module (14) is used to movably connect the movable seat (13) to the body of the internal mixer. The third drive cylinder (15) is installed on the body of the internal mixer and is used to drive the moving seat (13) to move.

7. The mixing and stirring mechanism of an internal mixer according to claim 6, characterized in that, The bottom of the mixing tank (1) is also provided with a scraper (16).

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