WO2020125063A1 - Solid mixer - Google Patents

Abstract

A solid mixer comprises a material chamber (1) horizontally provided and in the shape of a long cylinder. A feed port (1a) is provided at one end of the material chamber (1), and a discharge port (1b) is provided at the bottom of the other end of the material chamber (1). A rotary shaft is provided in the material chamber (1). The axial direction of the rotary shaft matches the axial direction of the material chamber (1). Multiple stirring blades (2) are fixed on the rotary shaft. The rotary shaft comprises two shaft elements (3) located opposite the material chamber (1) and distributed in the axial direction of the material chamber (1). Multiple stirring blades (2) are provided on each of the shaft elements (3). A support member (4) is provided between the two shaft elements (3). The support member (4) is fixedly connected to the material chamber (1). Both shaft elements (3) are rotatably connected to the support member (4). A blocking bar (1c) is integrally formed on an inner wall of the material chamber (1). The blocking bar (1c) is elongated, and extends in the axial direction of the material chamber (1). Multiple blocking bars (1c) are provided, and the blocking bars are evenly distributed in a circumferential direction of the material chamber (1). The solid mixer further comprises two motors (5), and the two motors (5) respectively drive the two shaft elements (3) to rotate. The solid mixer has a long service life.

Description

A solid mixer Technical field

The invention belongs to the technical field of machinery, and relates to a mixer, particularly a solid mixer.

Background technique

Mixer is a mechanical device that uses mechanical force and gravity to mix two or more materials evenly.

The existing granular solid mixer generally includes a silo, a rotating shaft, a stirring blade, a motor, etc. Among them, the silo has a long cylindrical shape, a feed inlet is provided at the top of one end of the silo, and an outlet is provided at the bottom of the other end of the silo Feeding port; the rotating shaft is set horizontally in the silo, and a plurality of stirring blades are fixed on the rotating shaft; the rotating shaft is driven and rotated by the motor. When in use, various types of particles are poured into the silo from the feed port, and the motor drives the rotating shaft to rotate the stirring blade, which drives the particles to move toward the discharge port while stirring the mixed particles.

The above-mentioned particle mixer has two problems: 1 1. During the movement, the particles will have long-term contact friction with the inner wall of the silo, causing the thickness of the inner wall of the silo to become thinner and thinner until the silo is damaged; 2 1. The rotating shaft is single and the length is too long, which results in a large rotating load of the motor and affects the life of the motor.

technical problem

The purpose of the present invention is to solve the above problems in the existing technology, and proposes a solid mixer, and the technical problem to be solved is how to extend the life.

Technical solution

The object of the present invention can be achieved by the following technical solutions: a solid mixer, which includes a horizontally arranged silo with a long barrel, one end of the silo is provided with a feed port, and the other end of the silo is provided with an outlet The material port is provided with a rotating shaft, and the axial direction of the rotating shaft extends along the axial direction of the material warehouse. A plurality of stirring blades are fixed on the rotating shaft. The characteristic of the rotating shaft includes that the position is opposite and along the material. There are two shaft bodies distributed in the axial direction of the silo, and each shaft body is provided with a plurality of agitating blades above, a support member is arranged between the two shaft bodies, the support member is fixedly connected with the silo, and both shaft bodies are connected with the support The pieces are connected in rotation. The inner wall of the silo is integrally formed with a bar, the bar is elongated and extends along the axial direction of the silo, and there are a plurality of bar and are evenly distributed along the circumferential interval of the silo. The mixer also includes two motors, and the two motors can drive the two shafts to rotate respectively.

The use process is as follows: various types of solids are poured into the silo from the feed port. The two motors drive the two shafts to rotate to drive the stirring blade to rotate. While stirring the mixed solids, the solids are pushed forward to the direction of the discharge port. During the mixing process, part of the solid will stay in the area formed between the two adjacent bars to act as a protective plate to protect the inner wall of the silo, thereby effectively reducing the chance of solids in contact with the inner wall of the silo during movement , To effectively reduce the wear speed of the silo to extend the life.

Split the rotating shaft into two shaft bodies, and the two shaft bodies are driven by two motors to rotate to reduce the resistance of a single shaft body during the stirring process, thereby reducing the torque output of the single motor to reduce the load of the motor. To extend the life of the motor.

In the above-mentioned solid mixer, the support member includes a bearing seat and a connecting piece fixedly connected with the silo. The bearing seat has two and is directly opposed to the two shaft bodies, and the shaft body is rotatably supported on the corresponding bearing On the seat, the connecting piece is between the two bearing seats, and both bearing seats are fixedly connected with the connecting piece. The above design has the advantages of simple structure and convenient assembly.

As another solution, in the above-mentioned solid mixer, the above-mentioned support includes a pipe body fixedly connected to the silo, the ends of the two shaft bodies are respectively inserted into the two ends of the pipe body, and the shaft body passes through the bearing Rotating connection with the tube body.

In the above-mentioned solid mixer, the above-mentioned connecting piece is in the form of a circular plate, a connecting rod is provided between the outer circumferential surface of the connecting piece and the inner wall of the silo, and both ends of the connecting rod are fixedly connected to the connecting piece and the silo respectively At least two of the connecting rods are distributed along the circumferential direction of the silo.

In the above solid mixer, the end of the shaft body away from the support extends out of the silo, the motor is located outside the silo and is on the side of the shaft body, and the motor drives the shaft body to rotate through a transmission mechanism.

In the above solid mixer, the transmission mechanism includes a gear box, the output shaft of the gear box is connected to the shaft body through a coupling, and the main shaft of the motor is connected to the input shaft of the gear box through a gear transmission pair or a belt transmission pair .

In the above solid mixer, the belt transmission pair includes a driving wheel fixedly connected to the motor main shaft and a driven wheel fixedly connected to the input shaft of the gear box, and the driving wheel and the driven wheel are connected by a belt.

In the above-mentioned solid mixer, the gear transmission pair includes a main gear fixedly connected to the main shaft of the motor and a sub gear fixedly connected to the input shaft of the gear box, and the main gear and the sub gear are meshed.

Beneficial effect

Compared with the prior art, the solid mixer has the following advantages:

During the mixing process, part of the solids will stay in the area formed between the two adjacent bars to act as a protective plate to protect the inner wall of the silo, thereby effectively reducing the friction between the solids and the inner wall of the silo during movement The opportunity to effectively reduce the wear rate of the silo to extend the life.

、Split the rotating shaft into two shaft bodies, and the two shaft bodies are driven and rotated by two motors respectively, so as to reduce the resistance of the single shaft body during the stirring process, thereby reducing the torque output of the single motor to reduce the load of the motor , To extend the life of the motor.

BRIEF DESCRIPTION

Fig 1 It is a schematic diagram of the solid structure of the solid mixer.

Fig 2 It is a schematic diagram of the connection structure of the shaft body and the support.

Fig 3 It is a schematic diagram of the three-dimensional structure of the silo.

Fig 4 It is a schematic diagram of the connection structure of the motor and gear box.

In the picture, 1 , Silos; 1a ,Inlet; 1b 、Discharge port; 1c 、Bars; 2 , Stirring blades; 3 、Axis body; 4 ,supporting item; 4a , Bearing seat; 4b 、Connector; 4c ,link; 5 、Motor; 6 ,Gearbox; 7 、Coupling; 8 , Driving wheel; 9 ,driven wheel; 10 、Belt.

Best Mode of the Invention

The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown 1 And figure 3 As shown, the solid mixer includes a horizontally arranged silo 1 , Silo 1 Has an inlet at one end 1a , Silo 1 The bottom of the other end is equipped with a discharge port 1b , Preferably feed inlet 1a In the silo 1 the top of.

Specifically, as shown 1 And figure 2 As shown, the silo 1 There is a rotating shaft inside, and the axial direction of the rotating shaft is along the silo 1 Axial extension. Multiple stirring blades are fixed on the rotating shaft 2 . The shaft includes the position directly opposite and along the silo 1 Axially distributed biaxial body 3 , Each axis 3 There are many above-mentioned stirring blades 2 And are on the same axis 3 Multiple stirring blades 2 Along the axis 3 Axial distribution. Two-axis body 3 Supports 4 ,supporting item 4 With silo 1 Fixed, and two shafts 3 Both with support 4 Turn the connection. In this embodiment, the support 4 Including bearing seat 4a And silos 1 Fixed connection 4b , Where the bearing 4a There are two and two axis body 3 Right, shaft 3 Rotatably supported on the corresponding bearing seat 4a Upper 4b In two housings 4a Between, and the two bearing seats 4a All with connectors 4b Fixed connection 4b Disc-shaped, connecting piece 4b Outer surface and silo 1 There are connecting rods between the inner walls 4c , And connecting rod 4c The two ends of the 4b And silo 1 Fixed connection 4c There are at least two and along the silo 1 Circumferential distribution. Preferred connecting rod 4c The two ends of the 1 And connectors 4b Fixed.

As shown 1 And figure 3 As shown, the silo 1 The inner wall is integrally formed with a stop 1c , Bar 1c Long and along the silo 1 Axial extension 1c There are multiple and along the silo 1 The circumferential intervals of the are evenly distributed.

As shown 1 And figure 4 As shown, the mixer also includes two motors 5 And two motors 5 Can drive two shafts separately 3 Turn. Specifically, the shaft 3 Away from the support 4 One end protrudes from the silo 1 , Motor 5 Located in the silo 1 Outside and in axis 3 One side, motor 5 Drive shaft body through transmission mechanism 3 Turn. In this embodiment, the shaft body 3 Support 4 The end of the 1 Rotate the connection to raise the shaft 3 Stability of rotation; transmission mechanism including gearbox 6 ,Gearbox 6 Input shaft via coupling 7 With shaft 3 Connected and the motor 5 Of the main shaft through the belt drive pair and gear box 6 Connected to the input shaft. Belt drive pair including motor 5 Driving wheel with fixed spindle 8 And with gearbox 6 Follower wheel with fixed input shaft 9 And the driving wheel 8 And driven wheel 9 Through the belt 10 Connected.

The use process is as follows: various types of solids are fed from the feed 1a Pour into the silo 1 , Two motors 5 Drive two shafts separately 3 Turn to drive the stirring blade 2 Rotate to push the solid toward the discharge port while stirring and mixing the solid 1b Directional movement. During the stirring process, some solids will stay in the two adjacent bars 1c In the area formed between, to act as a shield to protect the silo 1 The inner wall, which effectively reduces the solids and the silo during the movement 1 The chance of friction caused by the inner wall contact to effectively reduce the silo 1 Wear rate to extend life.

Example 2

The structure and principle of the second embodiment are basically the same as the first embodiment, the difference is that: the support 4 Including with silo 1 Fixed tube body, two-axis body 3 The ends are inserted into the two ends of the tube body, and the shaft body 3 Rotating connection with the pipe body through the bearing.

Example Three

The structure and principle of the third embodiment are basically the same as the first embodiment, the difference is that: the transmission mechanism includes a gear box 6 ,Gearbox 6 Output shaft via coupling 7 With shaft 3 Connected and the motor 5 Of the main shaft through the gear transmission pair and gear box 6 The input shaft is connected, the gear transmission pair includes the motor 5 Main gear fixed to main shaft and gear box 6 The output shaft is fixed to the auxiliary gear, and the main gear and the auxiliary gear mesh.

The specific embodiments described herein are merely illustrative of the spirit of the present invention. A person skilled in the art to which the present invention belongs can make various modifications or additions to the described specific embodiments or substitute in a similar manner, but it will not deviate from the spirit of the present invention or go beyond the definition of the appended claims Scope.

Claims (8)

1. A solid mixer includes a horizontally arranged long cylindrical silo (1), a feeding port (1a) is provided at one end of the silo (1), and an outlet is provided at the bottom of the other end of the silo (1) A feed port (1b), a rotating shaft is provided in the silo (1), and the axial direction of the rotating shaft extends along the axial direction of the silo (1), and a plurality of stirring blades (2) are fixed on the rotating shaft. , The rotating shaft includes two shaft bodies (3) located oppositely and distributed axially along the silo (1), and each shaft body (3) is provided with a plurality of the aforementioned stirring blades (2), two A support member (4) is provided between the shaft bodies (3), the support member (4) is fixedly connected with the silo (1), and both shaft bodies (3) are rotationally connected with the support member (4). The inner wall of the bin (1) is integrally formed with a rib (1c). The rib (1c) is elongated and extends along the axial direction of the silo (1). 1) The circumferential intervals are evenly distributed. The mixer also includes two motors (5), and the two motors (5) can drive the two shafts (3) to rotate respectively.
2. The solid mixer according to claim 1, characterized in that the support member (4) includes a bearing housing (4a) and a connecting member (4b) fixedly connected to the silo (1), and the bearing housing (4a) There are two and face the two shaft bodies (3) respectively, the shaft body (3) is rotatably supported on the corresponding bearing seat (4a), and the connecting piece (4b) is between the two bearing seats (4a), and Both bearing seats (4a) are fixedly connected with the connecting piece (4b).
3. The solid mixer according to claim 1, characterized in that the support member (4) includes a pipe body fixedly connected to the silo (1), and ends of the two shaft bodies (3) are respectively inserted into the pipe body In both ends of the shaft, and the shaft body (3) is rotatably connected to the pipe body through bearings.
4. The solid mixer according to claim 2, wherein the connecting member (4b) is in the form of a circular plate, and a connecting rod is provided between the outer circumferential surface of the connecting member (4b) and the inner wall of the silo (1) (4c), and the two ends of the connecting rod (4c) are fixedly connected with the connecting piece (4b) and the silo (1) respectively, and there are at least two connecting rods (4c) along the circumference of the silo (1) To distribution.
5. The solid mixer according to claim 1 or 2 or 3 or 4, characterized in that, the end of the shaft body (3) away from the support (4) extends out of the silo (1), and the motor ( 5) Located outside the silo (1) and on the side of the shaft body (3), the motor (5) drives the shaft body (3) to rotate through a transmission mechanism.
6. The solid mixer according to claim 5, characterized in that the transmission mechanism includes a gear box (6), the output shaft of the gear box (6) is connected to the shaft body (3) through a coupling (7), And the main shaft of the motor (5) is connected to the input shaft of the gear box (6) through a gear transmission pair or a belt transmission pair.
7. The solid mixer according to claim 6, characterized in that the belt transmission pair includes a driving wheel (8) fixedly connected to the main shaft of the motor (5) and a driven wheel fixedly connected to the input shaft of the gear box (6) (9), and the driving wheel (8) and the driven wheel (9) are connected by a belt (10).
8. The solid mixer according to claim 7, characterized in that the gear transmission pair includes a main gear fixedly connected to the main shaft of the motor (5) and a auxiliary gear fixedly connected to the input shaft of the gear box (6), and the main The gear and counter gear mesh.