CN107913624B

CN107913624B - Stirring machine

Info

Publication number: CN107913624B
Application number: CN201711219563.XA
Authority: CN
Inventors: 赵伟东; 叶奕新; 黎桥
Original assignee: Guangdong Orient Ne Equipment Co ltd
Current assignee: Guangdong Orient Ne Equipment Co ltd
Priority date: 2017-11-28
Filing date: 2017-11-28
Publication date: 2021-02-02
Anticipated expiration: 2037-11-28
Also published as: CN107913624A

Abstract

The invention discloses a stirrer, which belongs to the technical field of stirring devices and comprises a frame (1); the upper barrel (2) is arranged on the frame (1), and a planetary box (21) is arranged in the upper barrel; the lower barrel (3) and the upper barrel (2) are arranged oppositely, and a temperature measuring instrument mounting seat (31) is arranged on the side wall of the lower barrel and used for mounting a temperature measuring instrument so as to acquire the temperature of the material in real time; the upper end of the stirring device (4) is arranged on the frame (1), and the lower end of the stirring device extends out of the upper barrel (2) and is used for stirring the materials in the lower barrel (3); the upper end of the dispersing device (5) is arranged on the frame (1), and the lower end of the dispersing device extends out of the upper barrel (2) and is used for dispersing materials in the lower barrel (3) in the stirring process. The invention not only realizes the purpose of collecting the temperature of the material in real time, but also ensures the vacuum degree in the stirring process, the obtained slurry has better consistency and uniformity, and the quality of the battery slurry is ensured.

Description

Stirring machine

Technical Field

The invention relates to the technical field of stirring devices, in particular to a stirrer.

Background

The material stirring relates to various industries, in particular to a dry process stirring process of a lithium ion battery, which needs to uniformly disperse and mix a lithium battery anode and cathode slurry mixture, an additive and the like. The prior art generally adopts the stirring rake to stir the material, carries out high-speed dispersion to the material through disperse system, can improve the dispersion efficiency and the dispersion effect of material greatly.

However, the technical solutions in the prior art still have the following disadvantages:

1. in the stirrer in the prior art, in order to collect the material temperature, the temperature measuring rod is usually arranged at the bottom of the planetary box, please refer to the reference numeral (i) in fig. 1, the temperature measuring rod of the structure rotates along with the planetary box, so that the temperature measuring rod is easy to loosen, cause an unsealed state and easily leak vacuum, the consistency and the uniformity of slurry are affected, the slurry is in a sheet shape, the quality of battery slurry is seriously affected, and the structure is complex in processing, high in manufacturing cost and inconvenient to maintain.

2. Because dry powder stirring technology causes the material to raise and splash easily, prior art's mixer, for preventing that the material from raising and splashing, though adopted dustproof tray, nevertheless dustproof effect is not good, causes the material to get into in the planet case easily, corrodes bearing and gear.

3. In the prior art, the cleaning of the stirrer is mostly manual cleaning, an upper barrel and a lower barrel need to be opened, the operation is very troublesome, time and labor are wasted, and the stirrer is often not cleaned thoroughly.

4. In the prior art, when the dispersion shaft runs at a high speed, materials easily enter the dispersion bearing seat to corrode the bearing.

The prior art agitator can not meet the use requirement of sufficient agitation, so a stirring device with more excellent performance needs to be designed to solve the problems.

Disclosure of Invention

Objects of the invention

The invention aims to provide a stirrer, which solves the problems that the temperature measuring rod in the prior art is loosened along with the rotation of a planetary box due to the fact that the temperature measuring rod is arranged on the bottom plate of the planetary box, the slurry quality is influenced due to vacuum leakage, and the structure is complex to process, high in manufacturing cost and inconvenient to maintain by installing a temperature measuring instrument on the wall of a lower barrel; by improving the structure of the dustproof tray, the problem that materials are lifted and splashed to enter the planetary box to corrode a bearing and a gear in the prior art is solved; by arranging the automatic spraying cleaning device, the problems that the upper barrel and the lower barrel need to be opened for manual cleaning, time-sharing and labor-consuming cleaning are needed, and cleaning is not thorough are solved; through setting up dispersion and keeping off the material part, solved the material and got into the problem that the bearing frame corrodes the bearing easily.

(II) technical scheme

In order to solve the above problems, the present invention provides a mixer, comprising: a frame; the upper barrel is arranged on the rack, and a planetary box is arranged in the upper barrel; the lower barrel is arranged opposite to the upper barrel, and a temperature measuring instrument mounting seat is arranged on the side wall of the lower barrel and used for mounting a temperature measuring instrument so as to acquire the temperature of the material in real time; the upper end of the stirring device is arranged on the rack, and the lower end of the stirring device extends out of the upper barrel and is used for stirring the materials in the lower barrel; and the upper end of the dispersing device is arranged on the rack, and the lower end of the dispersing device extends out of the upper barrel and is used for dispersing the materials in the lower barrel in the stirring process.

Furthermore, a material blocking part is also arranged in the upper barrel; the material blocking ring is fixedly arranged on the inner wall of the upper barrel close to the bottom plate of the planetary box, is positioned between the inner wall of the upper barrel and the outer wall of the planetary box, and is arranged around the outer wall of the planetary box; the material blocking plate is buckled outside the material blocking ring and is fixedly connected with the bottom plate of the planetary box; the inner wall of the material blocking plate is matched with the outer wall of the material blocking ring in shape to jointly form a first bend for preventing materials from being raised and splashed.

Further, the material stop ring comprises: a top plate having a circular ring shape; a first rib provided at an outer edge of one side of the top plate in an axial direction; the first baffle is arranged on the outer wall of the first rib and is parallel to the top plate; the striker plate includes: a bottom plate having a circular outer edge; a second rib provided at an inner edge of one side of the base plate in an axial direction; the second baffle is arranged on the inner wall of the second rib and is parallel to the bottom plate; the first retaining edge is opposite to the second retaining edge, the first baffle is opposite to the second baffle, and the top plate, the first retaining edge and the first baffle of the material retaining ring and the bottom plate, the second retaining edge and the second baffle of the material retaining plate jointly form the first bend.

Further, an automatic spraying and cleaning device is arranged on the outer wall of the upper barrel; the automatic spray cleaning device comprises: the annular pipe is positioned at the upper end of the upper barrel, is arranged around the outer wall of the upper barrel and is provided with a water inlet; and the vertical pipes are arranged along the axial direction of the upper barrel, one end of each vertical pipe is communicated with the annular pipe, and the other end of each vertical pipe extends into the barrel wall of the upper barrel below the planetary box to form a plurality of water spraying ports for introducing water and forming crossed water spraying flows.

Further, the rack includes: the two supporting frames are oppositely arranged, and one sides, opposite to the two supporting frames, of the two supporting frames are respectively provided with a sliding rail and a sliding block matched with the sliding rail; the cross beam is arranged at the tops of the two support frames; the base is positioned at the bottoms of the two support frames, and two ends of the base are respectively provided with a lifting driving part for driving the sliding block to move along the sliding rail; and pillars matched with the sliding blocks are respectively arranged on the barrel walls on the two sides of the lower barrel and used for driving the lower barrel to move along the sliding rails under the driving of the sliding blocks.

Further, the stirring device includes: the upper end of the stirring shaft extends out of a top plate of the planetary box of the upper barrel, and the lower end of the stirring shaft extends out of the upper barrel; the stirring paddle is arranged at the lower end of the stirring shaft; and the first driving mechanism is in power connection with the stirring shaft and is used for driving the stirring shaft to rotate so as to drive the stirring paddle to rotate and stir the materials in the lower barrel.

Further, the first drive mechanism includes: one end of the revolution shaft is arranged in the beam of the frame, and the other end of the revolution shaft is arranged in the planetary box of the upper barrel; the first transmission component is arranged in a cross beam of the rack and is used for transmitting power to the revolution shaft; the second transmission component is arranged outside a top plate of the planetary box of the upper barrel and is used for transmitting the rotation of the revolution shaft to the stirring shaft; and the stirring motor is arranged on one side of the rack and used for providing power for the first transmission part.

Further, the dispersion apparatus includes: the dispersion bearing seat is arranged on a bottom plate of the planetary box of the upper barrel, one end of the dispersion bearing seat extends into the planetary box, and the other end of the dispersion bearing seat extends out of the bottom plate of the planetary box; one end of the dispersion shaft extends out of the dispersion bearing seat and extends into the planetary box of the upper barrel, and the lower end of the dispersion shaft extends out of the upper barrel; the dispersion disc is sleeved outside the dispersion shaft; and the second driving mechanism is in power connection with the dispersing shaft and is used for driving the dispersing shaft to rotate so as to drive the dispersing disc to rotate and disperse the materials in the lower barrel.

Further, a lower gland is arranged at one end, extending out of the bottom plate of the planetary box, of the dispersion bearing seat, and an annular diversion trench is arranged on the outer end face of the lower gland; the dispersing device further comprises a dispersing material blocking component, one end of the dispersing material blocking component is matched with the outer end face of the lower gland of the dispersing bearing seat, and a second bend is arranged in the dispersing material blocking component.

Further, the dispersion blocking part comprises: the dispersing and throwing ring is sleeved on the dispersing shaft and rotates along with the dispersing shaft, and an annular flow guide strip matched with the annular flow guide groove in shape is arranged on one end face of the dispersing shaft matched with the outer end face of the lower gland of the dispersing bearing seat and can rotate along the annular flow guide groove; the dispersion keeps off the material ring, its cover is established the dispersion get rid of the material ring set up the outside of the one end of annular water conservancy diversion strip and with the lower gland fixed connection of dispersion bearing frame, its inner surface with the dispersion gets rid of the surface shape phase-match of material ring and forms the second bend.

Further, the second driving mechanism includes: the middle shaft is arranged in the revolution shaft, one end of the middle shaft extends out of the revolution shaft and is arranged in the cross beam of the rack, and the other end of the middle shaft extends out of the revolution shaft and is arranged in the planetary box of the upper barrel; the third transmission part is arranged in a cross beam of the rack and is used for transmitting power to the middle shaft; the fourth transmission component is arranged in the planetary box of the upper barrel and is used for transmitting the rotation of the middle shaft to the dispersion shaft; and the dispersion motor is arranged on the other side of the rack and used for providing power for the third transmission part.

(III) advantageous effects

The technical scheme of the invention has the following beneficial technical effects:

according to the stirrer provided by the invention, the temperature measuring instrument is arranged on the barrel wall of the lower barrel by improving the installation mode of the temperature measuring instrument, so that the problems that the slurry quality is influenced by vacuum leakage due to the fact that the temperature measuring rod in the prior art is easily loosened as the planetary box is arranged on the bottom plate of the planetary box and rotates, the structure is complex to process, the manufacturing cost is high, and the maintenance is inconvenient are solved, the purpose of collecting the temperature of the material in real time is achieved, the vacuum degree in the stirring process is ensured, the obtained slurry is good in consistency and uniformity, and the quality of the battery slurry is ensured. According to the invention, by improving the structure of the dustproof tray and adopting the material blocking part in the axial design, the problem that materials are lifted and splashed and enter the planetary box to corrode the bearing and the gear in the prior art is solved, so that the materials are not easy to leak into the planetary box to corrode the bearing and the gear, and the service lives of the bearing and the gear are prolonged. By arranging the automatic spraying and cleaning device, the problems that an upper barrel and a lower barrel need to be opened, time and labor are wasted, and cleaning is not complete are solved, automatic cleaning of the mixer barrel is realized, and 360-degree dead-angle-free and residue-free cleaning can be realized. By arranging the dispersing and blocking part, the problem that materials easily enter the bearing seat to corrode the bearing is solved, the materials are not easily infiltrated into the bearing through the lower gland to corrode the bearing, and the service life of the dispersing shaft bearing is prolonged.

Drawings

FIG. 1 is a schematic view of a prior art installation of a temperature probe;

FIG. 2 is a front view of a mixer according to a first embodiment of the present invention;

FIG. 3 is a rear view of a blender according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a mixer according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a mixer according to an embodiment of the present invention;

fig. 6 is a partial enlarged view of a material blocking component provided in the second embodiment of the invention;

fig. 7 is a schematic structural view of a dispersing dam member and a dispersing bearing seat lower gland provided in the fourth embodiment of the present invention.

Reference numerals:

1. a frame, 11, a support frame, 111, a slide rail, 112, a slide block, 12, a cross beam, 13, a base, 131, a lifting driving component, 2, an upper barrel, 21, a planet box, 22, a material blocking component, 221, a material blocking ring, 221a, a top plate, 221b, a first flange, 221c, a first baffle, 222, a material blocking disc, 222a, a bottom plate, 222b, a second flange, 222c, a second baffle, 222d, a positioning column, 223, a first bend, 23, an automatic spray cleaning device, 231, a ring pipe, 231a water inlet, 232, a vertical pipe, 3, a lower barrel, 31, a thermodetector mounting seat, 32, a support column, 33, a spiral guide groove, 34, a viscosity tester, 35, a handle, 36, a caster, 4, a stirring device, 41, a stirring shaft, 42, a stirring paddle, 43, a first driving mechanism, 431, a common rotating shaft, 432, a first driving component, 432a, a driving chain wheel, 432b, a driven chain wheel, 432c, a chain, 432d, a sprocket box, 433, a second transmission part, 433a, a driving bevel gear, 433b, a driven bevel gear, 434, a stirring motor, 5, a dispersing device, 51, a dispersing bearing seat, 511, a seat body, 512, an upper gland, 513, a lower gland, 513a, a diversion trench, 52, a dispersing shaft, 53 a dispersing disc, 54, a second driving mechanism, 541, a middle shaft, 542, a third transmission part, 542a, a first driving pulley, 542b, a first driven pulley, 542c, a first synchronous belt, 542d, a pulley box, 543, a fourth transmission part, 543a second driving pulley, 543b, a second driven pulley, 544, a dispersing motor, 55, a dispersing and stopping part, 551, a dispersing and throwing ring, 551a circular diversion strip, 552, a dispersing and stopping ring, 553, a bend and a second transmission part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Example one

Fig. 2 is a main view of a mixer according to a first embodiment of the present invention.

FIG. 3 is a rear view of a blender according to an embodiment of the present invention.

FIG. 4 is a cross-sectional view of a blender according to an embodiment of the present invention.

FIG. 5 is a cross-sectional view of a blender according to an embodiment of the present invention.

Referring to fig. 2 and fig. 3, an embodiment of the present invention provides a mixer, including: frame 1, upper barrel 2, lower bucket 3, agitating unit 4 and dispersion devices 5.

Referring to fig. 2, the rack 1 includes: two support frames 11, a cross beam 12 and a base 13.

Specifically, the two support frames 11 are disposed oppositely, and one side of each of the two support frames 11 opposite to each other is provided with a slide rail 111 and a slide block 112 engaged with the slide rail.

And the cross beam 12 is arranged at the tops of the two support frames 11.

The base 13 is located at the bottom of the two support frames 11, and the two ends of the base 13 are respectively provided with a lifting driving component 131 for driving the sliding block 112 to move along the sliding rail 111.

Wherein, be provided with on the slide rail 111 and lock a barrel part for with bucket 3 locking in preset position, prevent that bucket 3 is unusual to drop down. The preset position is the position of the lower barrel 3 when the lower barrel 3 and the upper barrel 2 are combined.

Optionally, the lifting driving component 131 is an oil cylinder. When the oil station broke down the pressure not enough, the hydro-cylinder gliding, lock barrel part play the risk that prevents down 3 drops of bucket this moment, added the one deck protection in other words, neither can fall the bucket, and thick liquids also can not fall on the ground, avoids causing extravagant pollution.

Optionally, the barrel locking component includes a positioning pin disposed at the upper end of the sliding rail 111 and a limiting block disposed at the lower end of the sliding rail, so as to prevent the lower barrel 3 from falling off abnormally.

Referring to fig. 2 and 4, the upper tub 2 is disposed on the frame 1, and a planetary box 21 is disposed therein.

In particular, the upper tub 2 is arranged on a cross beam 12 of the frame 1, inside which a planetary box 21 is arranged for housing the transmission components of the stirring device 4 and the dispersing device 5.

Optionally, the planetary box 21 is formed by all stainless steel die sinking and integral forming, and has a full sealing structure, high precision and safe and reliable sealing performance.

Optionally, the inside and the outside of the upper barrel 2 are all made of corrosion-resistant SUS304 stainless steel, mirror polishing is carried out, the polishing roughness is not higher than Ra0.032, and the cleaning and corrosion resistance are easy.

Optionally, in this embodiment, the sidewall of the upper barrel 2 is further provided with:

and the vacuumizing port is used for vacuumizing a stirring space formed after the upper barrel 2 and the lower barrel 3 are combined in the stirring process, so that the obtained slurry has no bubbles or lamellae.

And a vent for evacuating the mixing space formed by combining the upper barrel 2 and the lower barrel 3 after mixing is completed, so as to separate the upper barrel 2 and the lower barrel 3.

And the vacuum meter port is provided with a vacuum meter and is used for detecting the vacuum degree of a stirring space formed after the upper barrel 2 and the lower barrel 3 are combined.

In this embodiment, still be provided with a plurality of mouths of pipe on the lateral wall of upper barrel 2, be respectively: powder dog-house, liquid dog-house, two sight glasses, nitrogen charging mouth.

Optionally, the powder feeding port is quick-detachable.

Referring to fig. 2, in the present embodiment, the lower barrel 3 is disposed opposite to the upper barrel 2.

The side wall of the lower barrel 3 is provided with a temperature measuring instrument mounting seat 31 for mounting a temperature measuring instrument to collect the temperature of the material in real time. In the embodiment, the temperature measuring instrument mounting seat 31 is arranged on the side wall of the lower barrel so as to mount the temperature measuring instrument on the barrel wall of the lower barrel 3, and the lower barrel 3 does not rotate in the stirring process, so that the problems that the slurry quality is influenced by vacuum leakage due to the fact that the temperature measuring rod is easily loosened along with the rotation of the planetary box when the temperature measuring rod is mounted on the bottom plate of the planetary box in the conventional structure, the processing is complex, the manufacturing cost is high, and the maintenance is inconvenient are solved.

Optionally, the thermometer mounting seat 31 is arranged along the radial direction of the lower barrel 3, but the invention is not limited thereto.

Optionally, the temperature gauge includes, but is not limited to, an aviation thread temperature sensor.

The side walls of the two sides of the lower barrel 3 are respectively provided with a pillar 32 matched with the sliding block 112, and the pillar is used for driving the lower barrel 3 to move along the sliding rail 111 under the driving of the sliding block 112 so as to realize the lifting motion of the lower barrel 3.

Referring to fig. 4, optionally, a spiral guide groove 33 is disposed between the inner wall and the outer wall of the lower barrel 3, and is spirally distributed around the barrel body of the lower barrel 3, and a water inlet and a water outlet are formed on the barrel wall of the lower barrel 3, and the cooling liquid or the heating liquid flows along the spiral guide groove 33 after being guided through the bottom, so as to increase the heat exchange area.

Optionally, the liquid inlet and the liquid outlet are provided with double self-sealing quick connectors for convenient operation.

Optionally, the specification of the liquid inlet and the liquid outlet is DN 25.

Optionally, a viscosity tester 34 is further disposed on the sidewall of the lower barrel 3, and is used for testing the viscosity of the material in the lower barrel 3 on line.

Optionally, a handle 35 and a caster 36 are provided on the sidewall of the lower tub 3 for easy operation.

In this embodiment, the bottom of the lower barrel 3 is provided with a discharge port to discharge the slurry obtained after the stirring.

Optionally, the discharge port is a three-piece ball valve and a quick clamp connector, so that the operation is convenient.

Optionally, the specification of the discharge hole is DN 40.

Optionally, the inner diameter of the barrel body and the depth surface size of the bottom of the lower barrel 3 are machined by a lathe, the tolerance of the size and the roundness is 0.15mm, and the roughness after polishing is not higher than Ra0.025 (light level). The slurry attaching surface is smooth, and the clearance between the stirring paddle 42 and the barrel wall and the barrel bottom is also ensured.

Optionally, the barrel body of the lower barrel 3 is fixed and matched, and is sealed by a silica gel strip.

Optionally, the design pressure of the barrel body of the lower barrel 3 is as follows: the net vacuum reaches 20Kg/cm²G。

Optionally, cooling water is introduced into the spiral guide groove 33 of the lower barrel 3 barrel body, and the design pressure is 10Kg/cm²G/FV, the design temperature is 0-200 ℃.

Referring to fig. 4, in the present embodiment, the upper end of the stirring device 4 is disposed on the frame 1, and the lower end thereof extends out of the upper barrel 2 for stirring the material in the lower barrel 3.

Specifically, agitating unit 4's upper end sets up in the crossbeam of frame, and the lower extreme passes upper barrel 2 and stretches out 3 bottom plates of planet case in the upper barrel 2 for material in upper barrel 2 and lower barrel 3 close the bucket after to bucket is stirred to lower barrel 3.

In the present embodiment, the stirring device 4 includes a stirring shaft 41, a stirring paddle 42, and a first drive mechanism 43.

The stirring shaft 41 has an upper end extending out of the top plate of the planetary box 21 of the upper tub 2 and a lower end extending out of the upper tub 2.

And a stirring paddle 42 provided at a lower end of the stirring shaft 41.

Optionally, the stirring paddle 42 is a twist frame stirring paddle, the bottom of the slurry is in an inverted trapezoid shape, the slurry adhesion is greatly reduced, the surface polishing roughness is not higher than Ra0.025, and the color-changing polishing slurry belongs to a brightness level.

Optionally, the stirring paddle 42 is formed by one-step casting through stainless steel precision casting and then is machined through CNC five-axis linkage, so that the deformation is eliminated, the physical size is consistent with the three-dimensional design overall size, and the interchange effect can be achieved. The streamline design of the shaft section accords with the dry powder stirring process, the overload phenomenon cannot be generated, and the high-load dry powder stirring device can be used under high load for a long time without deformation.

Optionally, the number of the stirring shafts 41 is two, and the stirring shafts are distributed along the circumferential direction at 180 degrees, and the number of the corresponding stirring paddles 42 is two. The running and the static of the two stirring paddles 42 are always in a 90-degree relation, and the matching relation between the two stirring paddles 42 is always kept.

Optionally, when the gap between the two stirring paddles 42 is 3-6mm, the gap between the stirring paddles 42 and the barrel wall of the lower barrel 3 is 3-6mm, and the gap between the stirring paddles 42 and the barrel bottom of the lower barrel 3 is 2-4mm, the stirring and kneading effects are better.

And the first driving mechanism 43 is in power connection with the stirring shaft 41 and is used for driving the stirring shaft 41 to rotate, so that the stirring paddle 42 is driven to rotate, and materials in the lower barrel 3 are stirred.

Referring to fig. 4, in the present embodiment, the first driving mechanism 43 includes: revolution shaft 431, first transmission part 432, second transmission part 433 and stirring motor 434.

The revolution shaft 431 has one end disposed in the cross member 12 of the frame 1 and the other end disposed in the planetary box 21 of the upper tub 2.

Optionally, the revolution axis 431 employs mechanical seal and skeleton oil seal.

And a first transmission member 432 provided in the cross member 12 of the frame 1 for transmitting power to the revolution shaft 431.

In this embodiment, the first transmission member 432 is driven by a sprocket, so that there is no power loss, accurate transmission and low noise. However, the present invention is not limited thereto, and the transmission manner of the first transmission member 432 may be other forms.

The first transmission member 432 includes: a drive sprocket 432a, a driven sprocket 432b, a chain 432c, and a sprocket box 432 d.

And a driving sprocket 432a provided on an output shaft of the agitator motor 434.

And a driven sprocket 432b provided on the revolution shaft 431.

And a chain 432c provided between the driving sprocket 432a and the driven sprocket 432b for transmitting power.

And a sprocket box 432d provided in the cross member 12 for mounting the driven sprocket 432 b.

Optionally, a chain wheel tensioning mechanism is further arranged between the driving chain wheel and the driven chain wheel.

The second transmission member 433 is provided outside the ceiling of the planetary box 21 of the upper tub 2 for transmitting the rotation of the revolution shaft 431 to the agitating shaft 41.

In this embodiment, the second transmission member 433 adopts a bevel gear transmission mode, so that the power output is smooth, the torque is large, and the service life is long. However, the invention is not limited thereto, and the transmission manner of the second transmission member 433 may be other forms.

Alternatively, the second transmission member 433 includes a driving helical gear 433a provided on the revolution shaft 431 and a driven helical gear 433b provided on the agitating shaft.

The stirring motor 434 is disposed at one side of the frame 1, and an output shaft thereof is connected to the driving sprocket 432a of the first transmission member 432 for supplying power to the first transmission member 432.

Optionally, the stirring motor 434 is a variable frequency motor.

Referring to fig. 4 and 5, in the embodiment, the upper end of the dispersing device 5 is disposed on the frame 1, and the lower end thereof extends out of the upper barrel 2, so as to disperse the materials in the lower barrel 3 during the stirring process.

In the present embodiment, the dispersing device 5 includes: a dispersion bearing housing 51, a dispersion shaft 52, a dispersion disc 53, and a second drive mechanism 54.

The dispersion bearing seat 51 is disposed on the bottom plate of the planetary box 21 of the upper tub 2, and one end thereof extends into the planetary box 21 and the other end thereof extends out of the bottom plate of the planetary box 21, thereby effectively protecting the dispersion shaft 52.

Optionally, the whole dispersion bearing seat 51 is cast by stainless steel, and then precision machining is performed, so that the coaxiality of the bearing position is ensured, the dispersion shaft 52 rotates stably without jumping, and the service life of the bearing is longer.

Wherein the dispersion bearing housing 51 includes: a base 511, an upper cover 512 and a lower cover 513.

The base 511 has a circular cross section, and bearings are mounted at both ends thereof.

And an upper cover 512 disposed above the seat body 511 for pressing the bearing located at the upper end of the seat body 511.

And a lower pressing cover (513) disposed below the base body 511 for pressing the bearing located at the lower end of the base body 511.

The dispersion shaft 52 has one end extended out of the dispersion bearing housing 51 and extended into the planetary box 21 of the upper tub 2 and a lower end extended out of the upper tub 2.

Optionally, the dispersion shaft has a rotational speed of 0-2500 rpm.

Optionally, the linear speed range of the dispersion shaft is 18-23M/S, which may affect the capacity of the battery slurry too fast, for example, the ternary body and the conductive shell coated with lithium iron phosphate may reduce the battery capacity, and if too slow, the stirring time may be lengthened, which may affect the production capacity of the whole production line, and may also affect the uniformity and consistency of the slurry.

And the dispersion disc 53 is sleeved outside the dispersion shaft 52 and used for dispersing the materials.

Optionally, the dispersion disc 53 is of a sawtooth type.

Optionally, the diameter of the dispersion disc 53 is 200 mm.

Optionally, the dispersion tray 53 performs dynamic balancing.

Optionally, the number of the dispersion shafts 52 is two, and the dispersion shafts are distributed along the circumferential direction by 180 degrees, and each dispersion shaft 52 is provided with two dispersion discs 53 respectively located at the middle part and the lower part of the dispersion shaft 52.

Alternatively, the two stirring shafts 41 are arranged to intersect with the two dispersing shafts 52 and are distributed at 90 degrees to each other in the circumferential direction.

Alternatively, the stirring shaft 41 is rotated in the opposite direction to the dispersing shaft 52.

Preferably, the stirring shaft 41 rotates clockwise and the dispersion shaft 52 rotates counterclockwise.

Optionally, the gap between the stirring paddle 42 and the dispersing plate 53 is controlled within 3-5MM, and the uniformity of the stirred slurry is better.

The present invention is not limited to this, and the number and distribution of the stirring shaft 41, the dispersing shaft 52 and the dispersing disks 53 can be adjusted according to actual needs.

And the second driving mechanism 54 is in power connection with the dispersing shaft 1 and is used for driving the dispersing shaft 51 to rotate, so that the dispersing disc 52 is driven to rotate, and the materials in the lower barrel 3 are dispersed.

Referring to fig. 4 and 5, in the present embodiment, the second driving mechanism 54 includes: a bottom bracket 541, a third transmission component 542, a fourth transmission component 543, and a dispersion motor 544.

And a center shaft 541 disposed inside the revolution shaft 431, having one end extended out of the revolution shaft 431 and disposed in the cross beam 12 of the frame 1 and the other end extended out of the revolution shaft 431 and disposed in the planetary case 21 of the upper tub 2.

Optionally, the central shaft 541 adopts mechanical seal and framework oil seal.

Referring to fig. 4, a third transmission member 542 is disposed in the cross member 12 of the frame 1, and is used for transmitting power to the middle shaft 541.

In the present embodiment, the transmission manner of the third transmission member 542 is a pulley transmission, but the present invention is not limited thereto, and the transmission manner of the third transmission member 542 may be other forms.

The third transmission member 542 includes:

the first driving pulley 542a is provided on the output shaft of the dispersion motor 544.

And a first driven pulley 542b provided at one end of the center shaft 541 in the cross beam 12.

And a first timing belt 542c provided between the first driving pulley 542a and the first driven pulley 542b to transmit power.

Optionally, the first synchronous belt 542c is a v-belt, and is noiseless.

And a pulley case 542d provided in the cross beam 12 above the sprocket case 432d and to which the first driven pulley 542b is attached.

Referring to fig. 4 and 5, a fourth transmission member 543 is disposed in the planetary case 21 of the upper tub 2, and is used for transmitting the rotation of the central shaft 541 to the dispersion shaft 52.

In the present embodiment, the transmission method of the fourth transmission member 543 is a pulley transmission, but the present invention is not limited thereto, and the transmission method of the fourth transmission member 543 may be other forms.

The fourth transmission member 543 includes:

and a second driving pulley 543a provided at one end of the middle shaft 541 in the planetary box 21.

And a second driven pulley 543b provided at one end of the dispersion shaft 52 in the planetary box 21.

And a second timing belt provided between the second driving pulley 543a and the second driven pulley 543b for transmitting power.

Optionally, the second synchronous belt is a three-star circular arc tooth synchronous belt and is noiseless.

The dispersion motor 544 is disposed at the other side of the frame 1, and an output shaft of the dispersion motor 544 is connected to the first driving pulley 542a of the third transmission member 542 for providing power to the third transmission member 542.

Optionally, the dispersion motor 544 is a variable frequency motor.

Optionally, the power of the decentralized motor 544 is 22 kw.

Optionally, the dispersion motor 544 is provided with a self-cooling fan, so that the heat dissipation effect is good, the service life is long, and the operation is stable.

In the embodiment, the mechanical seal is a German Bogman bulk alloy mechanical seal, is not damaged by the influence of a thermal expansion coefficient, and has good sealing performance and durability. The invention is not so limited. The sealing material for mechanical sealing is resistant to silica, calcium carbonate, mineral oil, gasoline, xylene and other industrial solvents.

In this embodiment, O-type silicone rubber or fluororubber (CaCO3) is used for the static seal. The invention is not so limited.

In this embodiment, the bearing is an import SKF double-seal special type bearing, and is precise and durable. The invention is not so limited.

Optionally, in this embodiment, the stirring motor is further provided with a temperature measuring device, the temperature measuring device is provided with a digital display temperature control meter, the temperature of the material can be displayed and controlled in real time, the temperature control is set as required, and the temperature control range is 0-200 ℃.

Optionally, the temperature measuring device is provided with electronic motor overload thermal protection.

Optionally, the temperature measuring device is provided with a radiator for overheat protection, and the radiator monitors to ensure that the frequency converter is disconnected when the temperature reaches 90 ℃, and can be reset only when the temperature of the radiator is reduced to below 60 ℃. And when the temperature of the material exceeds the set upper temperature limit, the machine is automatically stopped.

Optionally, in this embodiment, the stirring motor is provided with a fully automatic and manual dual operation system.

The specific control process is as follows:

1. the stirring shaft 41 can rotate only after the lower barrel 3 is lifted to the right position.

2. When the stirring shaft 41 rotates, the lower barrel 3 cannot descend.

3. When the lower barrel 3 is not in place, it cannot be lifted.

4. The lower barrel 3 has sound and light alarm when ascending and descending.

5. When the current or the temperature of the motor exceeds the range, the motor is automatically stopped.

6. When the product temperature exceeds the range, the machine is automatically stopped.

7. When the current exceeds the range, the machine is automatically stopped.

8. The stirring motor, the dispersion motor, the electrical cabinet, the control panel and the hydraulic equipment need to be grounded.

9. Overload is carried out along with low-speed stirring, the low-speed stirring is stopped, and the high-speed dispersion is stopped. And (4) overloading the circular oil pump, stopping stirring at a low speed, and stopping dispersing at a high speed.

10. The lower barrel 3 can not descend without vacuum discharge.

11. When the engine runs under full load, the external noise of 1m is less than 60 dbA.

The working principle of the invention is described below:

and (3) stirring: the lifting driving components 131 at the two ends of the base 13 drive the sliding blocks 112 to move along the sliding rails 111, so as to drive the lower barrel 3 to move along the sliding rails 111, the lower barrel 3 is lifted in place and then is combined with the upper barrel 2, and the lower barrel 3 is locked at a preset position through the barrel locking component. Add the powder material through the powder dog-house, add the liquid material through the liquid dog-house, start agitator motor 434, agitator motor 434 passes through first drive disk assembly 432 with power transmission for revolution axle 431, revolution axle 431 passes through second drive disk assembly 433 with power transmission for two (mixing) shafts 41, drive two stirring rakes 42 through two (mixing) shafts 41 and stir the material, the stirring in-process, close the stirring space evacuation that forms behind the bucket through the evacuation mouth to upper barrel 2 and lower barrel 3. After the stirring is completed, the stirring space formed after the upper barrel 2 and the lower barrel 3 are combined is evacuated through the vent so as to separate the upper barrel 2 from the lower barrel 3.

And (3) dispersing: in the stirring process, the dispersion motor 544 transmits power to the middle shaft 541 through the third transmission part 542, the middle shaft 541 transmits power to the two dispersion shafts 52 through the fourth transmission part 543, and the two dispersion shafts 52 drive the dispersion disc 53 to rotate so as to disperse materials, so that battery slurry with good consistency and uniformity is obtained.

The stirrer in the embodiment is suitable for dry process stirring of the lithium ion battery, is used for uniformly dispersing and mixing the lithium battery anode and cathode slurry mixture and the additive, is generally suitable for anode lithium iron phosphate, lithium cobaltate, lithium manganate and ternary materials, and can prevent the service life of the bearing from being reduced due to the dry process. The invention is not so limited.

Example two

Fig. 6 is a partially enlarged view of a material blocking member according to a second embodiment of the present invention.

The difference between the first embodiment and the second embodiment is that the structure of the upper barrel 2 is improved in the present embodiment, and the material blocking member 22 is arranged in the upper barrel 2 in the present embodiment.

Referring to fig. 4 and 6, in the present embodiment, the material blocking member 22 includes a material blocking ring 221 and a material blocking disc 222.

The material blocking ring 221 is fixedly arranged on the inner wall of the upper barrel 2 close to the bottom plate of the planetary box 21, is located between the inner wall of the upper barrel 2 and the outer wall of the planetary box 21, and is arranged around the outer wall of the planetary box 21.

And the material blocking disc 222 is buckled outside the material blocking ring 221 and is fixedly connected with the bottom plate of the planetary box 21.

The inner wall of the material blocking plate 222 is matched with the outer wall of the material blocking ring 221 in shape to form a first bend 223 together, so that materials are prevented from being lifted and splashed to enter the planetary box to corrode the bearing and the gear, the service life of the bearing and the gear is prolonged, and the bearing and the gear are easy to clean.

Referring to fig. 6, specifically, the material blocking ring 221 includes: a top plate 221a, a first rib 221b, and a first baffle 221 c.

The top plate 221a has a circular ring shape, and an outer edge thereof is fixedly disposed on an inner wall of the upper tub 2 near the bottom plate of the planetary box 21.

And a first rib 221b axially disposed at an outer edge of one side of the top plate 221 a.

And a first barrier 221c disposed on an outer wall of the first rib 221b and parallel to the top plate 221 a.

Referring to fig. 6, specifically, the material blocking plate 222 includes: a bottom plate 222a, a second skirt 222b, and a second skirt 222 c.

And a bottom plate 222a whose outer edge is rounded.

And a second rib 222b axially disposed at an inner edge of one side of the bottom plate 222 a.

And a second barrier 222c disposed on an inner wall of the second rib 222b and parallel to the bottom plate 222 a.

Optionally, one side of the material stopping disk 222, which is provided with the second rib 222b, is further provided with a positioning column 222d, which is used for fixing the material stopping disk 222 on the bottom plate of the planetary disk 21.

Referring to fig. 6, in the present embodiment, the material blocking ring 221 is disposed above the material blocking disc 222, and the material blocking disc 222 is buckled outside the material blocking ring 221, such that the second rib 222b is opposite to the first rib 221b, and the second baffle 222c is opposite to the first rib 221c, and has a shape matching therewith. At this time, the top plate 221a, the first rib 221b and the first baffle 221c of the material retaining ring 221 and the bottom plate 222a, the second rib 222b and the second baffle 222c of the material retaining disc 222 together form a first curve 223. The bearing and gear corrosion prevention device is used for preventing materials from being lifted and splashed to enter the planetary box to corrode the bearing and the gear, and the service life of the bearing and the gear is prolonged.

Optionally, the diameter of the first rib 221b is smaller than the diameter of the second rib 222b, and the height of the first rib 221b is smaller than the height of the second rib 222 b.

The material blocking member 22 in this embodiment includes, but is not limited to, the above structure, and the specific structure of the material blocking member 22 can be adjusted appropriately according to actual needs.

The structure, composition and connection relationship of other parts of the stirrer in this embodiment are the same as those in the first embodiment, and are not described herein again.

EXAMPLE III

The difference between the first embodiment and the second embodiment is that the outer wall of the upper barrel 2 of the present embodiment is provided with an automatic spray cleaning device 23.

Referring to fig. 2 and 3, in the present embodiment, the automatic spray cleaning device 23 includes: an annular tube 231 and a plurality of standpipes 232.

And a ring pipe 231, which is located at an upper end of the upper tub 2, is disposed around an outer wall of the upper tub 2, and has a water inlet 231a formed therein.

And a plurality of vertical pipes 232 arranged along the axial direction of the upper barrel 2, wherein one end of each vertical pipe 232 is communicated with the annular pipe 232, and the other end thereof extends into the barrel wall of the upper barrel 2 positioned at the lower side of the bottom plate of the planetary box 21 to form a plurality of water spraying ports for introducing water and forming crossed water spraying streams. Finish at the stirring, the clear storehouse of the ejection of compact back, realize the self-cleaning to the mixer through automatic spray belt cleaning device, the cleaning time is steerable, simultaneously, can also adopt at last lower bucket close the bucket after, the limit stirring dispersion is washd, can realize 360 no dead angles, no remains the washing, washs more thoroughly.

Example four

Referring to fig. 5 and 7, the present embodiment is different from the first embodiment in that a diversion trench 513a is formed on an outer end surface of the lower pressing cover 513 in the present embodiment.

In this embodiment, the dispersing device 5 further includes a dispersing material blocking member 55, one end of which is engaged with the outer end surface of the lower pressing cover 513 of the dispersing bearing seat 51, and the inner portion of which is provided with a second bend 553 for preventing the material from seeping into the bearing seat and corroding the bearing, so as to play a role in blocking the material and centrifugally throwing the material, thereby prolonging the service life of the dispersing shaft bearing.

Referring to fig. 7, in the present embodiment, the material scattering member 55 includes:

and the dispersing and throwing ring 551 is sleeved on the dispersing shaft 52 and rotates along with the dispersing shaft 52, an annular flow guide strip 551a matched with the annular flow guide groove 513a in shape is arranged on one end surface matched with the outer end surface of the lower pressing cover 513 of the dispersing bearing seat 51, and the annular flow guide strip 551a can rotate along the annular flow guide groove 513 a.

And the dispersing material blocking ring 552 is sleeved outside one end of the dispersing material throwing ring 551 provided with the annular guide strip 551a and is fixedly connected with the lower pressing cover 513 of the dispersing bearing seat 51, and the inner surface of the dispersing material blocking ring 552 is matched with the shape of the outer surface of the dispersing material throwing ring 551 to form a second bend 553.

Because the dispersion throwing ring 551 rotates along with the dispersion shaft 52, the contacted materials are thrown out under the action of centrifugal force, and meanwhile, the second bend 553 formed by the dispersion throwing ring 551 and the dispersion material blocking ring 552 can play a role in preventing the materials from running into the dispersion bearing seat and corroding the bearing.

Optionally, the outer surface of the dispersing and throwing ring 551 is provided with a first chamfer, the inner surface of the dispersing and stopping ring 552 is provided with a second chamfer, and the second chamfer is the same as the first chamfer in size.

The first embodiment, the second embodiment, the third embodiment and the fourth embodiment can be implemented individually or in combination, and the specific implementation manner can be adjusted appropriately according to actual needs.

The invention aims to protect a mixer, the temperature measuring instrument is arranged on the barrel wall of a lower barrel by improving the installation mode of the temperature measuring instrument, the problems that the slurry quality is influenced by vacuum leakage caused by the fact that a temperature measuring rod in the prior art is easily loosened due to the fact that the temperature measuring rod is arranged on a bottom plate of a planetary box and rotates along with the planetary box, the structure is complex to process, the manufacturing cost is high, and maintenance is not convenient are solved, the purpose of collecting the temperature of materials in real time is achieved, the vacuum degree in the stirring process is guaranteed, the obtained slurry is good in consistency and uniformity, and the quality of battery slurry is guaranteed. According to the invention, by improving the structure of the dustproof tray and adopting the material blocking part in the axial design, the problem that materials are lifted and splashed and enter the planetary box to corrode the bearing and the gear in the prior art is solved, so that the materials are not easy to leak into the planetary box to corrode the bearing and the gear, and the service lives of the bearing and the gear are prolonged. By arranging the automatic spraying and cleaning device, the problems that an upper barrel and a lower barrel need to be opened, time and labor are wasted, and cleaning is not complete are solved, automatic cleaning of the mixer barrel is realized, and 360-degree dead-angle-free and residue-free cleaning can be realized. By arranging the dispersing and blocking part, the problem that materials easily enter the bearing seat to corrode the bearing is solved, the materials are not easily infiltrated into the bearing through the lower gland to corrode the bearing, and the service life of the dispersing shaft bearing is prolonged.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A blender, comprising:

a frame (1);

the upper barrel (2) is arranged on the rack (1), and a planetary box (21) and a material blocking component (22) are arranged in the upper barrel;

the lower barrel (3) is arranged opposite to the upper barrel (2), and a temperature measuring instrument mounting seat (31) is arranged on the side wall of the lower barrel and used for mounting a temperature measuring instrument so as to acquire the temperature of the material in real time;

the upper end of the stirring device (4) is arranged on the rack (1), and the lower end of the stirring device extends out of the upper barrel (2) and is used for stirring the materials in the lower barrel (3);

the upper end of the dispersing device (5) is arranged on the rack (1), and the lower end of the dispersing device extends out of the upper barrel (2) and is used for dispersing the materials in the lower barrel (3) in the stirring process;

the material blocking part (22) comprises a material blocking ring (221) and a material blocking disc (222);

the material blocking ring (221) is fixedly arranged on the inner wall of the upper barrel (2) close to the bottom plate of the planetary box (21), is positioned between the inner wall of the upper barrel (2) and the outer wall of the planetary box (21), and is arranged around the outer wall of the planetary box (21);

the material blocking plate (222) is buckled outside the material blocking ring (221) and is fixedly connected with a bottom plate of the planetary box (21);

the inner wall of the material blocking disc (222) is matched with the outer wall of the material blocking ring (221) in shape to form a first bend (223) together, so that materials are prevented from being lifted and splashed;

the material blocking ring (221) comprises:

a top plate (221 a) having an annular shape;

a first rib (221 b) provided at an outer edge of one side of the top plate (221 a) in an axial direction;

a first baffle (221 c) disposed on an outer wall of the first rib (221 b) and parallel to the top plate (221 a);

the material blocking disc (222) comprises:

a bottom plate (222 a) having a circular outer edge;

a second rib (222 b) axially disposed at an inner edge of one side of the bottom plate (222 a);

a second baffle (222 c) disposed on an inner wall of the second rib (222 b) and parallel to the bottom plate (222 a);

the first rib (221 b) is opposite to the second rib (222 b), the first baffle (221 c) is opposite to the second baffle (222 c), and the top plate (221 a), the first rib (221 b) and the first baffle (221 c) of the baffle ring (221) and the bottom plate (222 a), the second rib (222 b) and the second baffle (222 c) of the baffle disc (222) jointly form the first bend (223).

2. A mixer according to claim 1,

an automatic spraying and cleaning device (23) is arranged on the outer wall of the upper barrel (2);

the automatic spray cleaning device (23) comprises:

the annular pipe (231) is positioned at the upper end of the upper barrel (2), is arranged around the outer wall of the upper barrel (2), and is provided with a water inlet 231 a;

a plurality of vertical pipes (232) are arranged along the axial direction of the upper barrel (2), one end of each vertical pipe (232) is communicated with the annular pipe (231), and the other end of each vertical pipe extends into the barrel wall of the upper barrel (2) below the planetary box (21) to form a plurality of water spraying ports for introducing water and forming crossed water spraying flows.

3. A mixer according to any of claims 1-2,

the frame (1) comprises:

the two supporting frames (11) are oppositely arranged, and one sides, opposite to the two supporting frames (11), are respectively provided with a sliding rail (111) and a sliding block (112) matched with the sliding rail;

a cross beam (12) arranged on top of the two support frames (11);

the base (13) is positioned at the bottom of the two support frames (11), and two ends of the base (13) are respectively provided with a lifting driving part (131) for driving the sliding block (112) to move along the sliding rail (111);

and the barrel walls on two sides of the lower barrel (3) are respectively provided with a supporting column (32) matched with the sliding block (112) and used for driving the lower barrel (3) to move along the sliding rail (111) under the driving of the sliding block (112).

4. A mixer according to claim 3,

the stirring device (4) comprises:

a stirring shaft (41), the upper end of which extends out of the top plate of the planetary box (21) of the upper barrel (2), and the lower end of which extends out of the upper barrel (2);

a stirring paddle (42) provided at a lower end of the stirring shaft (41);

the first driving mechanism (43) is in power connection with the stirring shaft (41) and is used for driving the stirring shaft (41) to rotate, so that the stirring paddle (42) is driven to rotate, and materials in the lower barrel (3) are stirred.

5. A mixer according to claim 4,

the first drive mechanism (43) includes:

a revolution shaft (431) one end of which is arranged in a beam (12) of the frame (1) and the other end of which is arranged in a planetary box (21) of the upper barrel (2);

a first transmission member (432) provided in a cross member (12) of the frame (1) for transmitting power to the revolution shaft (431);

a second transmission member (433) provided outside a top plate of a planetary box (21) of the upper tub (2) for transmitting the rotation of the revolution shaft (431) to the agitating shaft (41);

a stirring motor (434) disposed at one side of the frame (1) for providing power to the first transmission part (432).

6. A mixer according to claim 5,

the dispersion device (5) comprises:

a dispersion bearing seat (51) which is arranged on a bottom plate of a planetary box (21) of the upper barrel (2), wherein one end of the dispersion bearing seat extends into the planetary box (21), and the other end of the dispersion bearing seat extends out of the bottom plate of the planetary box (21);

a dispersion shaft (52) having one end protruding out of the dispersion bearing housing (51) and extending into the planetary box (21) of the upper tub (2) and a lower end protruding out of the upper tub (2);

a dispersion plate (53) fitted around the outside of the dispersion shaft (52);

and the second driving mechanism (54) is in power connection with the dispersing shaft (52) and is used for driving the dispersing shaft (52) to rotate so as to drive the dispersing disc (53) to rotate and disperse the materials in the lower barrel (3).

7. A mixer according to claim 6,

a lower gland (513) is arranged at one end, extending out of the bottom plate of the planetary box (21), of the dispersion bearing seat (51), and an annular diversion trench (513 a) is arranged on the outer end face of the lower gland (513);

the dispersing device (5) further comprises a dispersing and blocking part (55), one end of the dispersing and blocking part is matched with the outer end face of a lower pressing cover (513) of the dispersing bearing seat (51), and a second bend (553) is arranged in the dispersing and blocking part.

8. A mixer according to claim 7,

the dispersion dam member (55) includes:

the dispersing and throwing ring (551) is sleeved on the dispersing shaft (52) and rotates along with the dispersing shaft (52), an annular flow guide strip (551 a) matched with the annular flow guide groove (513 a) in shape is arranged on one end face matched with the outer end face of the lower pressing cover (513) of the dispersing bearing seat (51), and the annular flow guide strip (551 a) can rotate along the annular flow guide groove (513 a);

and the dispersing material blocking ring (552) is sleeved outside one end of the dispersing material throwing ring (551) provided with the annular flow guide strip (551 a) and is fixedly connected with the lower gland (513) of the dispersing bearing seat (51), and the inner surface of the dispersing material blocking ring (552) is matched with the shape of the outer surface of the dispersing material throwing ring (551) to form a second bend (553).

9. A mixer according to claim 6,

the second drive mechanism (54) includes:

a middle shaft (541) which is arranged inside the revolution shaft (431), one end of which extends out of the revolution shaft (431) and is arranged in a cross beam (12) of the frame (1), and the other end of which extends out of the revolution shaft (431) and is arranged in a planetary box (21) of the upper barrel (2);

the third transmission component (542) is arranged in a cross beam (12) of the frame (1) and is used for transmitting power to the middle shaft (541);

a fourth transmission member (543) provided in the planetary case (21) of the upper tub (2) for transmitting the rotation of the center shaft (541) to the dispersion shaft (52);

a dispersion motor (544) arranged at the other side of the frame (1) for providing power for the third transmission component (542).