An integrated rubber internal mixer material premixing bin structure

Abstract

This utility model discloses an integrated rubber internal mixer material premixing chamber structure, including an internal mixer and a screw conveyor. The feed inlet of the internal mixer is fixedly connected to the discharge outlet of the screw conveyor. A premixing chamber is fixedly connected to the top of the screw conveyor. A servo motor is fixedly connected to the top center of the premixing chamber. A stirring mechanism is fixedly connected to the bottom output end of the servo motor. A storage tube is fixedly connected to the top of the premixing chamber. A rotating shaft is rotatably connected to the inside of the storage tube via a bearing. A spiral blade is fixedly connected to the top surface of the rotating shaft. A crushing plate is fixedly connected to the bottom surface of the rotating shaft. A filter plate is fixedly connected to the bottom of the inside of the storage tube. The top of the filter plate is in contact with the bottom of the crushing plate. In use, this utility model breaks up clumps of material by the crushing plate, preventing material clumps from affecting the premixing process.

Description

Technical Field

[0001] This utility model relates to the field of integrated rubber mixer technology, specifically to a material premixing bin structure for an integrated rubber mixer. Background Technology

[0002] In the rubber industry, rubber raw materials are mixed using rubber mixing equipment to form compound rubber. When manufacturing compound rubber, an internal mixer is usually used. During the production process, raw rubber, carbon black, fillers, oils and various compounding agents are introduced into the mixer. At a suitable temperature, the shearing force of the rotor in the mixer is used to mix the above raw materials to produce compound rubber.

[0003] In the prior art, in order to improve work efficiency, a material premixing bin structure can be integrated into the rubber mixer to facilitate the premixing of materials.

[0004] For example, China has authorized a utility model disclosure (announcement) number: CN207190033U, which discloses a mixer for preparing high-performance damping, vibration reduction, and noise reduction rubber nanocomposite materials. The mixer includes: three feed hoppers, whose outlets are connected to the feed inlet of a premixing chamber through separate pipes. Each feed inlet of the premixing chamber is equipped with a metering device and a valve; a premixing chamber, which is located below the feed hoppers, and whose outlet is connected to the feed inlet of the mixer. The premixing chamber is equipped with a stirring device and a fixed cleaning component, and its lower end face is inclined; and a frame, which is vertically fixed, with the three feed hoppers, the premixing chamber, and the mixer installed side by side from top to bottom.

[0005] However, the premixing chamber of the above-mentioned existing technology uses three feeding hoppers to feed materials. Although this can ensure that the dust generated during the feeding process is reduced, it cannot ensure that the materials in the feeding hoppers will not clump during long-term storage, which will have a certain impact on the premixing operation of the materials. Utility Model Content

[0006] The purpose of this invention is to provide an integrated material premixing bin structure for a rubber internal mixer to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: An integrated rubber internal mixer material premixing chamber structure includes an internal mixer and a screw conveyor. The feed inlet of the internal mixer is fixedly connected to the discharge outlet of the screw conveyor. A premixing chamber is fixedly connected to the top of the screw conveyor. A servo motor is fixedly connected to the top center of the premixing chamber. A stirring mechanism is fixedly connected to the bottom output end of the servo motor. A storage tube is fixedly connected to the top of the premixing chamber. A rotating shaft is rotatably connected to the inside of the storage tube via a bearing. A first feed inlet is opened inside the storage tube. The top of the rotating shaft and the bottom of the first feed inlet are at the same horizontal plane. A gearbox is fixedly connected to the top of the inside of the premixing chamber. The outer surface of the gearbox is located inside the storage tube. A second feed inlet is provided on the storage tube and located on the outer surface of the gearbox. A spiral blade is fixedly connected to the top of the rotating shaft. A crushing plate is fixedly connected to the bottom of the rotating shaft. A filter plate is fixedly connected to the bottom of the inside of the storage tube. The top of the filter plate is in contact with the bottom of the crushing plate.

[0008] Preferably, a solenoid valve is fixedly sleeved on the surface of the connecting pipe between the premixing chamber and the screw conveyor, and a water outlet pipe is fixedly connected to the surface of the connecting pipe between the premixing chamber and the screw conveyor and located at the top of the solenoid valve, and a sealing cap is threaded onto the surface of the water outlet pipe.

[0009] Preferably, the stirring mechanism includes a rotating shaft fixedly connected to the output end of a servo motor, a plurality of stirring rods fixedly connected to the top surface of the rotating shaft, scrapers being snapped onto the outer walls of the stirring rods, and stirring blades fixedly connected to the bottom surface of the rotating shaft. The stirring blades are adapted to the shape of the bottom of the premixing chamber, and the rotating shaft is driven by a driving mechanism.

[0010] Preferably, the drive mechanism includes a drive gear fixedly connected to the surface of the rotating shaft, and a plurality of driven gears meshing with the surface of the drive gear. The driven gears are fixedly connected to the surface of the rotating shaft, and both the driven gears and the drive gear are located inside the gearbox.

[0011] Preferably, the surface of the premixing chamber is provided with a through groove, the shape of which is adapted to the shape of the scraper, and a sealing door is installed on the surface of the premixing chamber at the through groove via a hinge.

[0012] Compared with the prior art, the beneficial effects of this utility model are: This utility model discloses an integrated rubber internal mixer material premixing chamber structure. By placing the material inside a storage tube and sealing the top of the storage tube with a sealing cover, the shaft rotates during use. The rotation of the shaft causes the spiral blades to rotate, which in turn transports the material. The material falls onto the filter plate from the second feed inlet. Unagglomerated material passes through the filter plate, while agglomerated material is crushed by a crushing plate at the bottom of the shaft. This invention ensures that agglomerated material is broken up during use, preventing agglomeration from affecting the premixing process. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the material premixing bin structure of an integrated rubber internal mixer according to the present invention; Figure 2 This is a cross-sectional view of a material premixing bin for an integrated rubber mixer according to this utility model; Figure 3 for Figure 2 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the stirring mechanism of this utility model.

[0014] In the diagram: 1. Internal mixer; 2. Screw conveyor; 3. Solenoid valve; 4. Premixing chamber; 5. Sealing door; 6. Servo motor; 7. Storage pipe; 8. Water outlet pipe; 9. Rotating shaft; 10. Stirring rod; 11. Stirring blade; 12. First feed inlet; 13. Rotating shaft; 14. Spiral blade; 15. Second feed inlet; 16. Gearbox; 17. Filter plate; 18. Crushing plate; 19. Driven gear; 20. Driven gear; 21. Scraper. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] In the description of this utility model, it should be noted that the terms "vertical", "up", "down", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0017] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0018] Please see Figure 1-4 This utility model provides a technical solution: an integrated rubber internal mixer 1 material premixing chamber structure, including an internal mixer 1 and a screw conveyor 2. The feed inlet of the internal mixer 1 is fixedly connected to the discharge outlet of the screw conveyor 2. A premixing chamber 4 is fixedly connected to the top of the screw conveyor 2. A servo motor 6 is fixedly connected to the top center of the premixing chamber 4. A stirring mechanism is fixedly connected to the bottom output end of the servo motor 6. A storage tube 7 is fixedly connected to the top of the premixing chamber 4. A rotating shaft 13 is rotatably connected to the inside of the storage tube 7 through a bearing. A first feed inlet 12 is provided. The top of the rotating shaft 13 is at the same level as the bottom of the first feed inlet 12. A gearbox 16 is fixedly connected to the top of the premixing chamber 4. The outer surface of the gearbox 16 is located inside the storage tube 7. A second feed inlet 15 is provided on the outer surface of the gearbox 16. A spiral blade 14 is fixedly connected to the top of the surface of the rotating shaft 13. A crushing plate 18 is fixedly connected to the bottom of the surface of the rotating shaft 13. A filter plate 17 is fixedly connected to the bottom of the inside of the storage tube 7. The top of the filter plate 17 is in contact with the bottom of the crushing plate 18.

[0019] Please see Figure 1 This utility model provides a new embodiment in which a solenoid valve 3 is fixedly sleeved on the surface of the connecting pipe between the premixing chamber 4 and the screw conveyor 2. A water outlet pipe 8 is fixedly connected to the surface of the connecting pipe between the premixing chamber 4 and the screw conveyor 2 and located on top of the solenoid valve 3. A sealing cap is threadedly connected to the surface of the water outlet pipe 8 to block the water outlet pipe 8 and prevent the premixed material from flowing out of the water outlet pipe 8, thus causing waste.

[0020] Please see Figure 4 This utility model provides a new embodiment in which the stirring mechanism includes a rotating shaft 9 fixedly connected to the output end of a servo motor 6. Several stirring rods 10 are fixedly connected to the top surface of the rotating shaft 9. A scraper 21 is snapped onto the outer wall of the stirring rod 10. A stirring blade 11 is fixedly connected to the bottom surface of the rotating shaft 9. The stirring blade 11 is adapted to the shape of the bottom of the premixing chamber 4. The rotating shaft 9 and the rotating shaft 13 are driven by a driving mechanism.

[0021] Please see Figure 4This utility model provides a new embodiment in which the driving mechanism includes a driving gear 20 fixedly connected to the surface of the rotating shaft 9, and a plurality of driven gears 19 meshing with the surface of the driving gear 20. The driven gears 19 are fixedly connected to the surface of the rotating shaft 13, and both the driven gears 19 and the driving gear 20 are located inside the gearbox 16.

[0022] Please see Figure 1 This utility model provides a new embodiment in which a through groove is provided on the surface of the premixing chamber 4. The shape of the through groove is adapted to the shape of the scraper 21. A sealing door 5 is installed on the surface of the premixing chamber 4 and located at the through groove via a hinge. The sealing door 5 is locked by a locking structure, so that the material will not flow out of the through groove during use. In order to seal, a rubber sealing strip is provided on the surface of the sealing door 5. During use, the scraper 21 can clean the surface of the premixing chamber 4 to prevent the material from sticking to the surface of the premixing chamber 4 during the premixing process, thereby affecting the mixing of the material in the premixing chamber 4. However, after a long period of use, the surface of the scraper 21 becomes dirty. This application can make it convenient to replace and clean the scraper 21 by opening the sealing door 5 and then pulling the scraper 21 outward to clean it before reinstalling the scraper 21.

[0023] Working principle: When materials need to be added, the operator first removes the sealing plug from the storage tube 7, and then pours the materials into the storage box 7.

[0024] When it is necessary to premix the materials, the operator starts the servo motor 6. The rotation of the servo motor 6 will cause the rotating shaft 9 to rotate, the rotation of the rotating shaft 9 will cause the stirring rod 10 to rotate, the rotation of the stirring rod 10 will cause the scraper 21 to rotate, and at the same time the rotation of the rotating shaft 9 will cause the stirring blade 11 to rotate, thereby realizing the mixing of the materials. Simultaneously, the rotation of the rotating shaft 9 will cause the driving gear 20 to rotate, the rotation of the driving gear 20 will cause the driven gear 19 to rotate, the rotation of the driven gear 19 will cause the rotating shaft 13 to rotate, the rotation of the rotating shaft 13 will cause the spiral blade 14 to rotate, and the rotation of the spiral blade 14 will cause the material to fall from the top of the storage tube 7 into the spiral blade 14 after passing through the first feed port 12, and the material will be conveyed to the top of the filter plate 17. The unagglomerated material will pass directly out of the filter plate 17, and the agglomerated material will be crushed by the crushing block 18, and then pass out of the filter plate 7 after being crushed. After the material premixing is completed, the solenoid valve 3 is opened to allow the material to enter the screw conveyor 2, and the material enters the feed inlet of the internal mixer 1 from the discharge port of the screw conveyor 2.

[0025] After use, the operator closes the solenoid valve 3 and injects water from the inlet, which is located at the top of the premixing chamber 4. Then, the servo motor 6 is started to clean the inner surface of the premixing chamber 4. After cleaning, the sealing cover of the outlet pipe 8 is opened to discharge the wastewater.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An integrated rubber internal mixer material premixing bin structure, comprising an internal mixer (1) and a screw conveyor (2), wherein the feed inlet of the internal mixer (1) is fixedly connected to the discharge outlet of the screw conveyor (2), characterized in that: The top of the screw conveyor (2) is fixedly connected to a premixing chamber (4), and a servo motor (6) is fixedly connected to the center of the top of the premixing chamber (4). A stirring mechanism is fixedly connected to the bottom output end of the servo motor (6). A storage tube (7) is fixedly connected to the top of the premixing chamber (4). A rotating shaft (13) is rotatably connected inside the storage tube (7) through a bearing. A first feed inlet (12) is opened inside the storage tube (7). The top of the rotating shaft (13) and the bottom of the first feed inlet (12) are at the same horizontal plane. A gearbox (16) is fixedly connected to the top of the premixing chamber (4). The outer surface of the gearbox (16) is located inside the storage tube (7). A second feed inlet (15) is provided on the outer surface of the gearbox (16). A spiral blade (14) is fixedly connected to the top of the surface of the rotating shaft (13). A crushing plate (18) is fixedly connected to the bottom of the surface of the rotating shaft (13). A filter plate (17) is fixedly connected to the bottom of the inside of the storage tube (7). The top of the filter plate (17) is in contact with the bottom of the crushing plate (18).

2. The integrated rubber internal mixer material premixing bin structure according to claim 1, characterized in that: A solenoid valve (3) is fixedly sleeved on the surface of the connecting pipe between the premixing chamber (4) and the screw conveyor (2). A water outlet pipe (8) is fixedly connected on the surface of the connecting pipe between the premixing chamber (4) and the screw conveyor (2) and located on top of the solenoid valve (3). A sealing cap is threaded onto the surface of the water outlet pipe (8).

3. The integrated rubber internal mixer material premixing bin structure according to claim 1, characterized in that: The stirring mechanism includes a rotating shaft (9) fixedly connected to the output end of a servo motor (6). Several stirring rods (10) are fixedly connected to the top surface of the rotating shaft (9). A scraper (21) is snapped onto the outer wall of the stirring rod (10). A stirring blade (11) is fixedly connected to the bottom surface of the rotating shaft (9). The stirring blade (11) is adapted to the shape of the bottom of the premixing chamber (4). The rotating shaft (9) and the rotating shaft (13) are driven by a driving mechanism.

4. The integrated rubber internal mixer material premixing bin structure according to claim 3, characterized in that: The drive mechanism includes a drive gear (20) fixedly connected to the surface of the rotating shaft (9), and a plurality of driven gears (19) meshing with the surface of the drive gear (20). The driven gears (19) are fixedly connected to the surface of the rotating shaft (13). Both the driven gears (19) and the drive gears (20) are located inside the gearbox (16).

5. The integrated rubber internal mixer material premixing bin structure according to claim 3, characterized in that: The surface of the premixing chamber (4) is provided with a through groove, the shape of which is adapted to the shape of the scraper (21). A sealing door (5) is installed on the surface of the premixing chamber (4) and at the through groove via a hinge.

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