CN209791361U - Twin-screw belt mixer - Google Patents

Abstract

The utility model discloses a double-screw ribbon mixer, which relates to the technical field of graphite mixing, and solves the problem of uneven mixing of graphite powder near the ribbon rotation axis in the existing double-screw ribbon mixer. The main points of the technical scheme It includes a cylinder, support plates fixedly connected to both sides of the top of the cylinder, a support rod, a rotating shaft rotatably connected to the middle of the bottom of the support rod, a power motor fixedly connected to the top of the support rod, a fixed rod fixedly connected to the bottom of the rotating shaft, The spiral belt fixedly connected to the bottom of the fixed rod, the two stirring shafts rotatably connected to the bottom of the fixed rod, the stirring rod fixedly connected to the outer periphery of the stirring shaft, and the stirring motor fixedly connected to the top of the fixed rod; the axes of the two stirring shafts relative to the rotating shaft Symmetrically arranged, the two stirring shafts drive the stirring blades to stir the graphite powder near the axes of the two ribbons, so that the graphite powder near the axis of rotation of the ribbons is not prone to uneven mixing.

Description

Twin-screw belt mixer

technical field

The utility model relates to the technical field of graphite mixing, more specifically, it relates to a double-ribbon mixer.

Background technique

Graphite powder is divided into high-carbon graphite powder, medium-carbon graphite powder and low-carbon graphite powder according to the amount of carbon content in the production process. In order to produce graphite powder with different carbon content to meet customer requirements, it is necessary to use high-carbon graphite Two or three of graphite powder, medium-carbon graphite powder, and low-carbon graphite powder are mixed evenly in a certain proportion to obtain graphite powder with carbon content that meets the requirements.

When mixing graphite powder with different carbon content, a double-ribbon mixer will be used for mixing. The two ribbons in the double-ribbon mixer are set in reverse, which can drive the graphite powder to move in the opposite direction. Thereby, the mixing of graphite powder can be accelerated, but the graphite powder ribbon near the rotation axis of the double ribbon cannot be stirred, so that the graphite powder near the rotation axis of the double ribbon is prone to the problem of uneven mixing.

Utility model content

In view of the deficiencies in the prior art, the purpose of this utility model is to provide a double-ribbon mixer, which drives the stirring blades through the two stirring shafts to stir the graphite powder near the axes of the two ribbons, so that the graphite powder near the ribbons rotates The graphite powder at the axis is not prone to the problem of uneven mixing.

In order to achieve the above purpose, the utility model provides the following technical solutions: a double-ribbon mixer, comprising a cylindrical cylinder with an open top, support plates fixedly connected to both sides of the top of the cylinder, two ends The support rods fixedly connected to the tops of the two support plates and set along the radial direction of the cylinder, the rotating shafts rotatably connected to the middle of the bottom of the support rods and coaxial with the cylinder body, and the rotating shafts fixedly connected to the top of the support rods to drive the rotating shafts to rotate The power motor, the fixed rod fixedly connected to the bottom of the rotating shaft along the radial direction of the cylinder, the two spiral belts fixedly connected to the bottom of the fixed rod with opposite helical directions, the two stirring shafts rotatably connected to the bottom of the fixed rod and located inside, A stirring rod fixedly connected to the outer periphery of the stirring shaft and two stirring motors fixedly connected to the top of the fixed rod to drive the two stirring shafts to rotate;

The two stirring shafts are arranged symmetrically with respect to the axis of the rotating shaft, and the ribbons are arranged helically around the axis of the rotating shaft.

By adopting the above technical scheme, the power motor drives the rotating shaft to rotate, and the rotating shaft drives the fixed rod to rotate during the rotation process, and the fixed rod drives the two spiral belts to rotate during the rotation process, and the two spiral belts stir the graphite powder to fix the graphite powder. During the rotation of the rod, the two stirring shafts are driven to rotate, and the graphite powder in the middle of the ribbon is stirred. During the process of rotating the stirring shaft around the rotating shaft, it rotates, thereby driving the stirring rod to stir the graphite powder. Through the stirring shaft and The stirring rod stirs the graphite powder near the rotation axis of the ribbon, so that the graphite powder near the rotation axis of the ribbon is not prone to the problem of uneven mixing.

The utility model is further configured as follows: the rotation directions of the two stirring shafts are opposite.

By adopting the above technical solution, the rotation direction of the stirring shaft is opposite to drive the graphite powder to stir, so that the graphite powder collides at the middle position of the two stirring shafts, so that the graphite powder can be mixed more quickly and evenly.

The utility model is further configured as follows: the stirring rods on the stirring shaft are divided into two groups, the two groups of stirring rods are arranged symmetrically with respect to the axis of the stirring shaft, and the stirring rods of each group are evenly arranged along the axis of the stirring shaft.

By adopting the above technical scheme, through the uniform arrangement of the stirring rods, the graphite powder can be stirred more evenly when the stirring shaft drives the stirring rods to rotate.

The utility model is further configured as follows: two vertical scrapers are fixedly connected to both sides of the ribbon, and the side of the scraper away from the ribbon contacts with the inner wall of the barrel.

By adopting the above technical solution, the graphite powder near the inner wall of the cylinder can be stirred by setting the scraper, so that the graphite powder near the inner wall of the cylinder can be stirred more uniformly.

The utility model is further configured as follows: the scraper is arranged in an arc shape, and the axis of the scraper is located on the side of the scraper facing the rotation direction of the rotating shaft.

By adopting the above technical scheme, the arc-shaped scraper can drive the graphite powder at the inner wall of the cylinder to the ribbon, and the graphite powder can be stirred by the ribbon, so that the graphite powder close to the inner wall of the cylinder can be better The powder is mixed more evenly.

The utility model is further set as follows: the cylinder bottom of the cylinder body is provided with a material shifting plate along the radial direction of the cylinder body, the top side of the material shifting plate is fixedly connected with the bottom end of the spiral belt, and the bottom of the material shifting plate One side is in mutual contact with the top of the bottom plate of the cylinder.

By adopting the above technical solution, the graphite powder at the bottom of the cylinder can be stirred by setting the stirring plate, so that the graphite powder at the bottom of the cylinder can be stirred more evenly.

The utility model is further configured as follows: the material shifting plate is fixedly connected together by two inclined plates, the two inclined plates are respectively located on both sides of the cylinder axis, and the bottom of the inclined plate is located on the side where the inclined plate affects the rotation direction of the rotating shaft.

By adopting the above technical solution, the graphite powder can be moved upward along the slope of the inclined plate during the rotation of the inclined plate, and finally sent out through the top of the inclined plate, so that the graphite powder can be stirred more evenly.

In summary, compared with the prior art, the utility model has the following beneficial effects:

1. The utility model sets the stirring shaft and the stirring rod, the fixed rod drives the two spiral belts to rotate during the rotation process, the two spiral belts stir the graphite powder, and the fixed rod drives the two stirring shafts to rotate during the rotation process , to stir the graphite powder in the middle of the ribbon, and the stirring shaft rotates around the rotating shaft and rotates, thereby driving the stirring rod to stir the graphite powder, and the graphite powder near the rotation axis of the ribbon is stirred by the stirring shaft and the stirring rod Stirring, so that the graphite powder close to the axis of rotation of the ribbon is not prone to the problem of uneven mixing;

2. The utility model is provided with two inclined plates. During the rotation of the inclined plates, the graphite powder can be moved upward along the inclined surface of the inclined plates, and finally sent out through the top of the inclined plates, so that the graphite powder can be stirred more evenly .

Description of drawings

Fig. 1 is the axonometric view of the complete structure of embodiment;

Fig. 2 is the schematic diagram that embodiment embodies spiral band;

Fig. 3 is a schematic diagram of an embodiment embodying a curved plate.

In the figure: 1, barrel; 11, discharge pipe; 2, support plate; 21, support rod; 3, rotating shaft; 31, power motor; 32, fixed rod; 4, stirring shaft; 41, stirring motor; 42, Stirring rod; 5. Ribbon; 6. Dial plate; 61. Inclined plate; 7. Scraper.

Detailed ways

Embodiment: a kind of twin-screw belt mixer, referring to accompanying drawing 1 and accompanying drawing 2, comprises the cylinder body 1 that is arranged in the shape of a cylinder with the top opening, the support plate 2 that is fixedly connected on both sides of cylinder body 1 top, two The ends are fixedly connected to the top of the two support plates 2 and the support rod 21 arranged along the radial direction of the cylinder body 1, the rotation shaft 3 that is rotatably connected to the middle position of the bottom of the support rod 21 and coaxial with the cylinder body 1, and fixedly connected to the support rod 21 The power motor 31 on the top for driving the rotating shaft 3 to rotate, the fixed rod 32 fixedly connected to the bottom of the rotating shaft 3 along the radial direction of the cylinder body 1, and the two spiral ribbons 5 fixedly connected to the bottom of the fixed rod 32 with opposite helical directions 1. A paddle plate 6 fixedly connected to the bottom of the ribbon 5 and arranged along the radial direction of the cylinder 1, two scrapers 7 fixedly connected to both sides of the ribbon 5, two scrapers 7 fixedly connected to the bottom of the fixed rod 32 and located on the inside The stirring shaft 4, the stirring rod 42 fixedly connected to the outer periphery of the stirring shaft 4, the discharge pipe 11 fixedly connected to the side of the cylinder body 1 near the bottom, and the two shafts fixedly connected to the top of the fixed rod 32 are respectively used to drive the two stirring shafts. 4 the stirring motor 41 that rotates.

The two stirring shafts 4 are arranged symmetrically with respect to the axis of the rotating shaft 3, and the ribbon 5 is spirally arranged around the axis of the rotating shaft 3, and the side of the scraper 7 close to the two ribbons 5 is fixedly connected with the two ribbons 5, and the scraper 7 The length direction is vertically reversed. The top of the shifting plate 6 is fixedly connected with the bottoms of the two ribbons 5, the bottom side of the shifting plate 6 is in contact with the top of the bottom plate of the cylinder body 1, and the shifting plate 6 is composed of two inclined plates 61 fixedly connected together. The two inclined plates 61 are respectively located on both sides of the axis of the cylinder body 1 , and the inclined bottom of the inclined plates 61 is located on the side where the inclined plates 61 affect the rotation direction of the rotating shaft 3 . The directions of rotation of the two stirring shafts 4 are opposite.

Graphite powder with different carbon content is fed into the barrel 1 according to a certain ratio, the power motor 31 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the fixed plate to rotate during the rotation, and the fixed plate drives the two shafts during the rotation. The spiral ribbon 5 with the opposite spiral direction stirs the graphite powder. During the rotation of the fixed plate, it also drives the two stirring shafts 4 to rotate around the rotating shaft 3, and the stirring shaft 4 also revolves around the stirring shaft 4 during the process of rotating around the rotating shaft 3. The axis rotates on its own, so that the graphite powder near the axis of the rotating shaft 3 is evenly stirred. The stirring directions of the two stirring shafts 4 are opposite, so that the graphite powder between the two stirring shafts 4 is stirred in the opposite direction, so that the graphite powder collides between the two stirring shafts 4, thereby stirring the graphite powder more evenly.

Referring to accompanying drawing 2, the stirring rod 42 on the stirring shaft 4 is divided into two groups. .

Referring to accompanying drawings 2 and 3, the scraper 7 is arranged in an arc shape, the axis of the scraper 7 is located on the side of the scraper 7 facing the rotation direction of the rotating shaft 3, and the side of the scraper 7 facing away from the ribbon 5 is in contact with the barrel 1 inner walls are in contact with each other. The scraper 7 can stir the graphite powder coming out of the inner wall of the cylinder 1 during the process of following the rotation of the ribbon 5, and drive the graphite powder coming out of the inner wall along the scraper 7 toward the ribbon 5, and the graphite powder will be discharged by the ribbon 5. The powder is stirred, so that the graphite powder is stirred more evenly.

The working principle of the double-screw belt mixer is as follows: graphite powder with different carbon content is sent into the cylinder 1 according to a certain ratio, and the power motor 31 drives the rotating shaft 3 to rotate, and the rotating shaft 3 is in the process of rotating Drive the fixed plate to rotate, and the fixed plate drives two spiral ribbons 5 with opposite helical directions to stir the graphite powder during the rotation process. During the rotation of the fixed plate, it also drives the two stirring shafts 4 to rotate around the rotating shaft 3, and the stirring shaft 4 During the process of rotating around the rotating shaft 3, it also rotates around the axis of the stirring shaft 4, so that the graphite powder near the axis of the rotating shaft 3 is evenly stirred. The stirring directions of the two stirring shafts 4 are opposite, so that the graphite powder between the two stirring shafts 4 is stirred in the opposite direction, so that the graphite powder collides between the two stirring shafts 4, thereby stirring the graphite powder more evenly. The inclined plate 61 drives the graphite powder at the bottom of the tube to move upward along the inclined surface of the inclined plate 61 during the rotation process, so that the graphite powder at the bottom of the tube is stirred more evenly. The scraper 7 drives the graphite powder near the inner wall of the cylinder 1 to move toward the ribbon 5 during the rotation of the ribbon 5, so that the ribbon 5 can stir the graphite powder near the inner wall of the cylinder 1 more evenly.

The above descriptions are only preferred implementations of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model all belong to the protection scope of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims (7)

1. A twin-screw ribbon mixer, characterized in that: comprise a cylinder (1) that is cylindrically provided with an opening at the top, a support plate (2) that is fixedly connected to both sides of the top of the cylinder (1), two The ends are respectively fixedly connected to the support rod (21) arranged on the top of the two support plates (2) and arranged along the radial direction of the cylinder (1), and rotatably connected to the middle position of the bottom of the support rod (21) and coaxial with the cylinder (1) The rotating shaft (3), the power motor (31) fixedly connected to the top of the support rod (21) for driving the rotating shaft (3) to rotate, and the motor (31) fixedly connected to the bottom of the rotating shaft (3) along the radial direction of the cylinder (1) The fixed rod (32) that is set, the spiral ribbon (5) that is fixedly connected at the bottom of the fixed rod (32) with two opposite helical directions, the two stirring shafts (4) that are rotatably connected at the bottom of the fixed rod (32) and located on the inner side, fixed A stirring rod (42) connected to the outer periphery of the stirring shaft (4) and two stirring motors (41) fixedly connected to the top of the fixed rod (32) are respectively used to drive the two stirring shafts (4) to rotate; The two stirring shafts (4) are arranged symmetrically with respect to the axis of the rotating shaft (3), and the spiral ribbon (5) is spirally arranged around the axis of the rotating shaft (3). 2. The twin-ribbon mixer according to claim 1, characterized in that: the rotation directions of the two stirring shafts (4) are opposite. 3. The twin-screw ribbon mixer according to claim 1, characterized in that: the stirring rods (42) on the stirring shaft (4) are divided into two groups, and the two groups of stirring rods (42) are opposite to the stirring shaft The axes of (4) are arranged symmetrically, and the stirring rods (42) of each group are evenly arranged along the axis of the stirring shaft (4). 4. The double ribbon mixer according to claim 1, characterized in that: both sides of the ribbon (5) are fixedly connected with two vertical scrapers (7), and the scraper (7) The side away from the spiral band (5) is in contact with the inner wall of the cylinder (1). 5. The double-ribbon mixer according to claim 4, characterized in that: the scraper (7) is arranged in an arc shape, and the axis of the scraper (7) is located at the position where the scraper (7) faces the rotating shaft ( 3) Turn the direction to one side. 6. The double-screw ribbon mixer according to claim 1, characterized in that: the bottom of the cylinder (1) is provided with a material shifting plate (6) along the radial direction of the cylinder (1), The top side of the material plate (6) is fixedly connected with the bottom end of the ribbon (5), and the bottom side of the material plate (6) is in contact with the top of the cylinder (1) bottom plate. 7. The double-ribbon mixer according to claim 6, characterized in that: the shifting plate (6) is fixedly connected together by two inclined plates (61), and the two inclined plates (61) are respectively located on the cylinder body On both sides of the axis of (1), the bottom of the inclined plate (61) is located on the side where the inclined plate (61) affects the rotation direction of the rotating shaft (3).