CN211586282U

CN211586282U - Planetary stirrer

Info

Publication number: CN211586282U
Application number: CN201922452624.8U
Authority: CN
Inventors: 李金国
Original assignee: Dongguan City Rui Jing Automation Equipment Co ltd
Current assignee: Dongguan City Rui Jing Automation Equipment Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-09-29
Anticipated expiration: 2029-12-28

Abstract

The utility model relates to a planetary mixer, which relates to the technical field of planetary mixers and comprises a frame; the stirring device comprises a planetary gear box and two stirring paddles rotationally arranged on the planetary gear box, wherein the planetary gear box drives the stirring paddles to rotate in the circumferential direction and simultaneously rotate, the stirring paddles comprise a connecting shaft sleeve rotationally connected with the planetary gear box and a paddle body fixedly arranged on the connecting shaft sleeve, and the paddle body is spirally arranged; and the material placing device is used for placing the material to be stirred. The paddle is the heliciform setting so that the paddle self is a smooth arc pole to make the processing technology of this stirring rake simple for the processing technology of many oblique paddle formula stirring rakes, and the paddle is the heliciform setting and can produce the stirring power of a plurality of directions to the material when making the paddle stirring material, thereby makes the stirring efficiency of this stirring rake be superior to the stirring efficiency of frame stirring rake, from this, makes the utility model has the advantages of production simple process and stirring efficiency are high.

Description

Planetary stirrer

Technical Field

The utility model belongs to the technical field of planetary mixer's technique and specifically relates to a planetary mixer is related to.

Background

In the chemical industry, sizing material industry and other industries, a stirrer is often required to be used for stirring and mixing. The planetary stirrer is a novel high-efficiency dead-point-free mixing and stirring device, and has a unique and novel stirring form. 2-3 stirring paddles and 1-2 automatic scrapers are arranged in the kettle. The stirring paddles revolve around the axis of the kettle body and simultaneously rotate around the axis of the kettle body at high speed at different rotating speeds, so that the materials do complex motion in the kettle body to be subjected to strong shearing, and the mixing efficiency of the materials is multiple times that of a common stirrer. Common stirring paddles of the low-speed planetary stirrer are of a multi-inclined-paddle type and a frame type.

The actual production process of the multi-inclined-blade stirring paddle is complex, and the connecting point between the paddle rod and the paddle of the multi-inclined-blade stirring paddle is small, so that the connecting strength is small, and the multi-inclined-blade stirring paddle is easy to damage. The frame-type stirring paddle is arranged in a frame shape, so that the production process of the frame-type stirring paddle is relatively simple compared with that of the multi-inclined-paddle stirring paddle, but in the actual stirring process, the material stirring direction and the material stirring speed between the edge of the frame and the rotation axis of the frame are single, and the material stirring efficiency is far lower than that of the multi-inclined-paddle stirring paddle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a planetary mixer has simple and the efficient advantage of stirring of production technology.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a planetary mixer comprising a frame and further comprising:

the stirring device comprises a planetary gear box arranged on the rack and two stirring paddles rotationally arranged on the planetary gear box, the planetary gear box drives the stirring paddles to rotate while rotating circumferentially by taking the axis of the planetary gear box as a rotation center, the two stirring paddles are respectively positioned on two opposite sides of the axis of the planetary gear box, the rotation directions of the two stirring paddles are the same, the stirring paddles comprise a connecting shaft sleeve rotationally connected with the planetary gear box and a paddle body fixedly arranged on the connecting shaft sleeve, and the paddle body is spirally arranged;

the material placing device comprises a material placing lower barrel for placing materials to be stirred and a lifting mechanism for driving the material placing lower barrel to lift.

Through adopting above-mentioned technical scheme, the paddle is the heliciform setting so that the paddle self is a smooth arc pole, thereby make the processing technology of this stirring rake simple for the processing technology of many inclined blades formula stirring rake, and the paddle is the stirring power that can produce a plurality of directions to the material when the heliciform setting makes the paddle stirring material, thereby make the stirring efficiency of this stirring rake be superior to the stirring efficiency of frame stirring rake, and the rotation direction of two stirring rakes is the same so that the material that is located between two stirring rakes can receive the stirring power that comes from two different directions, therefore, make this planetary mixer production simple process and stirring efficient.

The utility model discloses further set up to: the material placing lower barrel comprises an inner barrel body used for placing materials to be stirred and an outer barrel body sleeved on the outer side of the inner barrel body, the inner barrel body comprises a containing barrel section fixedly connected with the outer barrel body and a stirring barrel section fixedly arranged below the containing barrel section, the inner wall of the stirring barrel section is arranged in a curved surface mode protruding outwards, and a cambered surface matched with the inner wall of the stirring barrel section is formed on the outer wall surface of the paddle body.

Through adopting above-mentioned technical scheme, the inner wall of agitator section is hemispherical setting in order to laminate with the arc surface of paddle to the material that makes the inner barrel body bottom can obtain abundant stirring, thereby improves this planetary mixer stirring efficiency.

The utility model discloses further set up to: the lower end of the material placing lower barrel is fixedly provided with a suspension frame.

By adopting the technical scheme, the lower end face of the material placing lower barrel is suspended on the ground by the suspension frame, so that the material placing lower barrel is lifted by the lifting mechanism from the lower part of the material placing lower barrel, and the lifting of the material placing lower barrel is simple and convenient.

The utility model discloses further set up to: the lower end of the suspension frame is provided with a caster.

Through adopting above-mentioned technical scheme, the setting up of truckle makes the suspension frame can slide on subaerial to be convenient for put the removal transportation of expecting the lower bucket.

The utility model discloses further set up to: the frame is provided with a vacuum device, the vacuum device comprises a sealed upper barrel used for sealing the material placing lower barrel, the stirring paddle is fixedly connected with the frame and is positioned in the sealed upper barrel, and the sealed upper barrel is communicated with a vacuum pumping pipe used for being communicated with a vacuum pump.

Through adopting above-mentioned technical scheme, elevating system orders about to put the material bucket down and rises so that put and contradict between the bucket under the material and the sealed bucket of going up sealedly sealed, and then the vacuum pump passes through the air in the sealed bucket of going up of evacuation pipe extraction to make and put the material bucket down and be in vacuum state when the stirring, thereby improve the quality and the efficiency that the material stirring was mixed.

The utility model discloses further set up to: the sealed barrel of going up is installed the breather pipe, install the three-way pipe on the breather pipe, the first mouth of pipe of three-way pipe with the breather pipe intercommunication, install on the second mouth of pipe of three-way pipe and be used for opening and close the evacuation valve of evacuation pipe, install on the third mouth of pipe of three-way pipe and be used for opening and close the orificial row vacuum valve of three-way pipe.

By adopting the technical scheme, during vacuum pumping, the vacuum exhaust valve is closed and the vacuum pumping valve is opened, and the vacuum pump pumps air in the material placing lower barrel through the vacuum pumping pipe;

after the vacuumizing is finished, the vacuumizing tube is closed to keep the vacuum degree in the material placing lower barrel stable, so that the quality and the efficiency of material stirring and mixing are improved;

after the stirring is finished, the vacuum discharge valve is opened, and the outside air enters the material placing lower barrel through the three-way pipe, so that the material placing lower barrel is conveniently separated from the sealed upper barrel.

The utility model discloses further set up to: and a silencer is arranged at the air inlet end of the vacuum exhaust valve.

Through adopting above-mentioned technical scheme, the muffler can prevent sound transmission and allow the air current to pass through in order to eliminate aerodynamic noise to less outside air gets into and puts the aerodynamic noise that produces when expecting the lower bucket.

The utility model discloses further set up to: planetary gear box including fixed set up in the mounting panel of frame, rotate set up in the turnover drive shaft of mounting panel with order about turnover drive shaft pivoted turnover driving motor, turnover driving motor with mounting panel fixed connection, the coaxial fixed turnover frame that is provided with of turnover drive shaft, the rotation is provided with two and is used for the installation on the turnover frame the rotation drive shaft of stirring rake, install in the frame and order about the rotation drive shaft is followed the pivoted linkage portion of turnover drive shaft.

Through adopting above-mentioned technical scheme, turnover driving motor orders about the turnover drive shaft and rotates in order to drive the turnover frame and rotate to make the rotation drive shaft on the turnover frame carry out the turnover, the linkage part orders about the rotation drive shaft and follows the turnover drive shaft and rotate, thereby make the rotation drive shaft carry out the rotation in the turnover, from this, make the stirring rake can carry out the rotation in the turnover, thereby improved this planetary mixer's work efficiency.

The utility model discloses further set up to: the linkage portion including supply the turnover drive shaft pass the frame plate, the cover is located the turnover drive shaft with frame plate fixed connection's first gear and with the driven second gear of first gear engagement, the frame plate be located the turnover frame with between the mounting panel with frame fixed connection, the second gear with the coaxial fixed connection of rotation drive shaft.

Through adopting above-mentioned technical scheme, the turnover frame rotates in order to drive rotation drive shaft circumferential direction to take place to rotate between the first gear that makes intermeshing and the second gear, thereby make the rotation drive shaft rotation.

To sum up, the utility model discloses a beneficial technological effect does:

1. the propeller body is spirally arranged so that the propeller body is a smooth arc-shaped rod, the processing technology of the stirring paddle is simple relative to that of a multi-inclined-blade stirring paddle, the propeller body is spirally arranged so that the propeller body can generate stirring forces in multiple directions to materials when the propeller body stirs the materials, the stirring efficiency of the stirring paddle is superior to that of a frame type stirring paddle, the rotating directions of the two stirring paddles are the same, and the materials between the two stirring paddles can receive different stirring forces from the two directions, so that the planetary stirrer is simple in production technology and high in stirring efficiency;

2. the lifting mechanism drives the material placing lower barrel to rise so as to enable the material placing lower barrel and the sealing upper barrel to be in butt sealing, and then the vacuum pump extracts air in the sealing upper barrel through the vacuumizing pipe so as to enable the material placing lower barrel to be in a vacuum state during stirring, so that the quality and the efficiency of material stirring and mixing are improved;

3. turnover driving motor orders about the turnover drive shaft and rotates in order to drive the turnover frame and rotate to make the rotation drive shaft on the turnover frame carry out the turnover, the linkage part orders about the rotation drive shaft and follows the turnover drive shaft and rotate, thereby make the rotation drive shaft carry out the rotation in the turnover, from this, make the stirring rake can carry out the rotation in the turnover, thereby improved this planetary mixer's work efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the stirring device of the present invention;

FIG. 4 is a schematic cross-sectional view of the material placing barrel;

FIG. 5 is a schematic view of the mounting structure of the tee in the vacuum apparatus.

In the figure, 1, a frame; 11. a base; 111. a guide groove; 12. a vertical seat; 121. a guide chute; 122. mounting blocks; 13. a top seat; 14. an electric cabinet; 2. a stirring device; 21. a planetary gear box; 211. mounting a plate; 212. an epicyclic drive shaft; 213. a turnover driving motor; 214. a turnover frame; 2141. a rack cylinder; 2142. a turnover plate; 2143. reinforcing ribs; 215. a rotation driving shaft; 216. a linkage section; 2161. a frame plate; 2162. a first gear; 2163. a second gear; 217. a drive section; 2171. a first sprocket; 2172. a second sprocket; 2173. a drive chain; 22. a stirring paddle; 221. connecting the shaft sleeve; 222. a paddle body; 2221. a cambered surface; 3. a material placing device; 31. placing materials and discharging into a barrel; 311. an inner barrel body; 3111. accommodating the barrel section; 3112. a stirring barrel section; 312. an outer barrel body; 3121. coating the barrel section; 3122. closing the cover plate; 313. cooling the cavity; 3131. cooling the liquid inlet pipe; 3132. cooling the liquid outlet pipe; 32. a suspension frame; 321. placing a plate; 322. a support leg; 33. a caster wheel; 34. a lifting mechanism; 341. a lifting plate; 342. a lifting screw; 343. a lifting motor; 344. a slide rail; 4. a vacuum device; 41. sealing the upper barrel; 411. an observation window; 42. vacuumizing a tube; 43. a breather pipe; 44. a three-way pipe; 45. a vacuum pumping valve; 46. a vacuum valve is exhausted; 47. a silencer.

Detailed Description

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a planetary mixer, including frame 1, install in frame 1 and be used for placing the material put 3, the agitating unit 2 of stirring material and the extraction of material device 3 interior vacuum so that improve stirring quality and stirring effect vacuum apparatus 4 of putting of material device 3.

The frame 1 comprises a base 11, a vertical seat 12 and a top seat 13 from bottom to top in sequence, so that the frame 1 is arranged like a T shape, and a stirring space is formed on the frame 1.

The base 11 is provided in a "T" shape to form a guide groove 111 at a lower end of the agitating space.

An electric cabinet 14 is mounted on the side wall of the stand 12 to electrically control the planetary mixer.

The stirring device 2 and the vacuum device 4 are both located on the top base 13.

Further, the material placing device 3 comprises a material placing lower barrel 31 for placing the material to be stirred and a lifting mechanism 34 for driving the material placing lower barrel 31 to lift.

Referring to fig. 4, the material placing lower barrel 31 includes an inner barrel 311 for placing the material to be stirred and an outer barrel 312 sleeved outside the inner barrel 311.

Inner barrel 311 includes a receiving barrel section 3111 and a stirring barrel section 3112 fixedly disposed below receiving barrel section 3111. Preferably, the receiving section 3111 and the stirring section 3112 are integrally formed therebetween.

The holding barrel section 3111 is arranged in a circular tube shape, and the axis of the holding barrel section 3111 is arranged along the vertical direction so that the opening of the holding barrel section 3111 faces the upper and lower ends. The agitator section 3112 closes the lower end opening of the accommodation drum section 3111.

The inner wall of the agitator section 3112 is provided with a curved surface protruding outward. Preferably, the mixing barrel section 3112 is disposed in a hemisphere shape to be convex toward a direction away from the accommodating barrel section 3111. The axis of the accommodating barrel section 3111 passes through the center of the stirring barrel section 3112.

The outer barrel 312 includes a covering barrel 3121 sleeved outside the accommodating barrel 3111 and a sealing cover 3122 fixedly disposed at a lower end of the covering barrel 3121, so that a longitudinal section of the outer barrel 312 is disposed in an inverted Jiong shape.

The cladding barrel 3121 is in the shape of a round tube. The axis of the cladding section 3121 is arranged in a vertical direction to coincide with the axis of the receiving section 3111 so that the opening of the cladding section 3121 is located at the upper and lower ends. The inner diameter of the wrapping barrel section 3121 is greater than the outer diameter of the receiving barrel section 3111. The axis is preferably integrally formed between the covering barrel section 3121 and the receiving barrel section 3111.

The closing cover 3122 is provided in a disc shape. The diameter of the closing cover 3122 is greater than or equal to the inner diameter of the cladding barrel 3121. A closing cover 3122 sealingly covers the lower end opening of the barrel 3121. The inner tub 311 is located above the close cover 3122. Preferably, the closing cover 3122 is in welded connection with the cladding barrel 3121.

Further, the upper end of the covering section 3121 is fixedly connected with the upper end of the receiving section 3111, so that a cooling cavity 313 is formed between the covering section 3121 and the receiving section 3111. The opening of the cooling cavity 313 faces downward. The closing cover 3122 seals the cooling cavity 313 while covering the lower end opening of the keg section 3121.

And a cooling liquid inlet pipe 3131 and a cooling liquid outlet pipe 3132 which are communicated with the cooling cavity 313 are arranged on the outer wall of the coating barrel section 3121. The cooling liquid inlet pipe 3131 inputs cooling liquid into the cooling cavity 313, the cooling liquid covers the inner barrel 311 to cool the material stirred in the inner barrel 311, and then the cooling liquid is discharged from the cooling liquid outlet pipe 3132. Preferably, cooling inlet 3131 is located above or below cooling outlet 3132.

Further, a handle is fixedly arranged on the outer wall of the covering barrel section 3121.

Further, a suspension frame 32 is fixedly arranged at the lower end of the material placing lower barrel 31. The suspension frame 32 is arranged in a shape of "Jiong" so that the suspension frame 32 includes a plate 321 fixedly connected to the lower end of the outer barrel body 312 and a support leg 322 fixedly arranged on the lower end surface of the plate 321. The number of the legs 322 is four, and the four legs 322 are distributed in a rectangular shape instead. The lower end of each leg 322 is mounted with a caster 33 so that the lower basket 31 moves into or out of the guide groove 111.

Referring to fig. 1 and 2, the elevating mechanism 34 includes an elevating plate 341 sliding in a vertical direction within the stirring space, an elevating screw 342 screw-coupled to the elevating plate 341 to drive the elevating plate 341 to ascend and descend, and an elevating motor 343 driving rotation of the elevating screw 342.

One side of the vertical base 12 facing the mixing space is provided with a sliding guide groove 121 along the vertical direction for guiding the lifting plate 341 to slide. The chute 121 penetrates the side wall of the stand 12 to communicate the stirring space with the inside of the stand 12.

The lifting plate 341 has a rectangular plate shape to be horizontally disposed. When the lifting mechanism 34 drives the material placing barrel 31 to lift, the upper end surface of one end of the lifting plate 341 in the length direction abuts against the lower end surface of the frame plate 2161 to support the material placing barrel 31 to lift. The other end of the lifting plate 341 in the length direction passes through the guide groove 121 to enter the inside of the stand 12 to be in threaded connection with the lifting screw 342.

Two mounting blocks 122 for mounting the lifting screw 342 are fixedly arranged on the inner wall of the vertical base 12 close to the stirring space. The two mounting blocks 122 are respectively located at the upper and lower ends of the guide chute 121.

The lifting screw 342 is located in the stand 12. The axis of the lifting screw 342 is arranged along the vertical direction, and the upper and lower ends of the lifting screw 342 are respectively connected with the two mounting blocks 122 in a rotating manner.

The lifting motor 343 is fixedly disposed inside the vertical base 12. The output shaft of the lifting motor 343 is connected with the lifting screw 342 through coaxial fixed connection, gear meshing transmission, synchronous wheel synchronous belt transmission or reduction gearbox.

Further, the method is carried out. Two sliding rails 344 are fixedly arranged on the outer wall of the vertical base 12 facing the stirring space. The length direction of the two slide rails 344 is arranged along the vertical direction, and the two slide rails 344 are mutually straight. The elevating plate 341 slides on the slide rail 344 along the longitudinal direction of the slide rail 344.

Referring to fig. 1 and 2, the vacuum apparatus 4 includes a sealing upper tub 41 for sealing the material accommodating lower tub 31. The sealing upper tub 41 is disposed in a circular truncated cone shape so that the sealing upper tub 41 has a large end and a small end. The axis of the sealing upper tub 41 is disposed in a vertical direction. The small end of the sealed upper barrel 41 is positioned above the large end of the sealed upper barrel 41. The small end of the upper sealing barrel 41 is arranged on the lower end surface of the top seat 13. The large end of the upper sealed barrel 41 is used to abut against the upper end surface of the lower material containing barrel 31 to close the upper end opening of the containing barrel section 3111. Preferably, the outer wall of the sealing upper tub 41 is provided with a viewing window 411.

Further, the upper sealing barrel 41 is provided with a vent pipe 43, and the top seat 13 is provided with an evacuation pipe 42 for communicating with a vacuum pump. The vent pipe 43 is communicated with the evacuation pipe 42 through a tee 44.

Referring to FIG. 5, the first port of tee 44 is in communication with vent 43. A vacuumizing valve 45 for opening and closing the vacuumizing pipe 42 is installed on a second pipe orifice of the three-way pipe 44, one end port of the vacuumizing valve 45 is communicated with the second pipe orifice of the three-way pipe 44, and the other end port of the vacuumizing valve 45 is communicated with the vacuumizing pipe 42.

And a vacuum discharge valve 46 for opening and closing the third pipe orifice of the three-way pipe 44 is arranged on the third pipe orifice of the three-way pipe 44. One end of the vacuum discharge valve 46 is communicated with the third pipe orifice of the three-way pipe 44, and a silencer 47 is installed on the other end port of the vacuum discharge valve 46. The silencer 47 can block the sound from being transmitted while allowing the air flow to pass therethrough to eliminate aerodynamic noise, thereby reducing the aerodynamic noise generated when the external air enters the material-placing lower tub 31.

When the vacuum pumping is performed, the evacuation valve 46 is closed and the evacuation valve 45 is opened, and the vacuum pump pumps air in the lower material placing barrel 31 through the evacuation pipe 42 to make the inside of the lower material placing barrel 31 in a vacuum state. After the vacuum pumping is finished, the vacuum pumping pipe 42 is closed to keep the vacuum degree in the material placing lower barrel 31 stable, so that the quality and the efficiency of material stirring and mixing are improved. After the stirring is finished, the vacuum discharge valve 46 is opened, and outside air enters the material placing lower barrel 31 through the three-way pipe 44, so that the separation between the material placing lower barrel 31 and the sealing upper barrel 41 is facilitated.

Referring to fig. 2 and 3, the stirring device 2 includes a planetary gear box 21 provided to the frame 1 and two stirring paddles 22 rotatably provided to the planetary gear box 21.

The planetary gear box 21 includes a mounting plate 211 fixedly provided to the frame 1, an epicyclic drive shaft 212 rotatably provided to the mounting plate 211, and an epicyclic drive motor 213 that drives the epicyclic drive shaft 212 to rotate.

The axis of the epicyclic drive shaft 212 is arranged in a vertical direction. The upper end of the epicyclic drive shaft 212 is located above the mounting plate 211 and the lower end of the epicyclic drive shaft 212 passes through the top seat 13 to project into the sealed upper tub 41.

The epicyclic driving motor 213 is fixedly connected with the mounting plate 211. The epicyclic drive motor 213 is provided with a drive section 217 for driving the epicyclic drive shaft 212 to rotate. Preferably, the drive section 217 includes a first sprocket 2171 coaxially and fixedly disposed on the output shaft of the epicyclic drive motor 213, a second sprocket 2172 coaxially and fixedly disposed on the epicyclic drive shaft 212, and a drive chain 2173 wrapped between the first sprocket 2171 and the second sprocket 2172. The epicyclic drive motor 213 drives the first sprocket 2171 to rotate, and the transmission chain 2173 drives the second sprocket 2172 to rotate along with the first sprocket 2171, thereby driving the epicyclic drive shaft 212 to rotate.

Further, an epicyclic drive shaft 212 is coaxially and fixedly provided with an epicyclic carrier 214. Specifically, the transfer frame 214 includes a frame barrel 2141 and two transfer plates 2142 fixedly disposed within the frame barrel 2141. The frame barrel 2141 is cylindrically shaped, and the axis of the frame barrel 2141 is arranged in the vertical direction to coincide with the axis of the epicyclic drive shaft 212. The turnover plate 2142 is in a shape of a circular plate and is disposed horizontally, and an axis of the frame barrel 2141 passes through a center of the turnover plate 2142. The two turnover plates 2142 are respectively located at the openings at the upper and lower ends of the frame barrel 2141. Preferably, the inner wall of the frame barrel 2141 is provided with a reinforcing rib 2143. The upper end surface of the reinforcing rib 2143 abuts against the lower end surface of the turnover plate 2142 located above.

Further, two rotation driving shafts 215 for mounting the paddles 22 are rotatably provided on the turnover frame 214. The axis of the autorotation drive shaft 215 is arranged in a vertical direction so as to be parallel to the axis of the epicyclic drive shaft 212. The two rotation drive shafts 215 are respectively located on two horizontally opposite sides of the revolving drive shaft 212, and the linear distances from the two rotation drive shafts 215 to the revolving drive shaft 212 are the same. The rotation drive shaft 215 simultaneously passes through the two transfer plates 2142, and the upper end of the rotation drive shaft 215 is higher than the upper end surface of the transfer plate 2142 located above.

Further, the top base 13 is provided with a link 216 for driving the rotation drive shaft 215 to rotate in accordance with the revolving drive shaft 212. Specifically, the linkage portion 216 includes an epicyclic plate 2142 for the epicyclic drive shaft 212 to pass through, a first gear 2162 sleeved on the epicyclic drive shaft 212 to be fixedly connected with the epicyclic plate 2142, and two second gears 2163 in meshing transmission with the first gear 2162. The two second gears 2163 are respectively installed on the two rotation driving shafts 215 so that the rotation directions of the two rotation driving shafts 215 are the same. The turnover plate 2142 is located between the turnover frame 214 and the mounting plate 211 to be fixedly connected with the rack 1. First gear 2162 is located on a lower end face of epicyclic plate 2142. The axis of the first gear 2162 coincides with the axis of the epicyclic drive shaft 212. The second gear 2163 is located at the upper end of the rotation driving shaft 215, and is coaxially and fixedly connected with the rotation driving shaft 215. Preferably, the first gear 2162 and the second gear 2163 are both helical gears.

Referring to fig. 2 and 3, the two paddles 22 are respectively mounted on the two rotation driving shafts 215, the rotation directions of the two paddles 22 are the same, and the two paddles 22 are respectively located at two opposite sides of the axis of the planetary gear box 21.

Specifically, the paddle 22 includes a coupling boss 221 coaxially and fixedly provided at a lower end of the rotation driving shaft 215, and a paddle body 222 fixedly provided to the coupling boss 221. The connecting sleeve 221 is disposed in a circular tube shape. The connecting shaft sleeve 221 is in interference fit with the rotation driving shaft 215. The paddle 222 is spirally disposed so that an arc surface 2221 that matches with the inner wall of the agitator section 3112 is formed on the outer wall surface of the paddle 222. Preferably, the arc 2221 is circular arc shaped.

The implementation principle of the embodiment is as follows: the material to be stirred is placed in the material placing lower barrel 31, the material placing lower barrel 31 is moved into the guide groove 111, then the lifting mechanism 34 drives the material placing lower barrel 31 to rise to enable the material placing lower barrel 31 and the sealing upper barrel 41 to be in interference sealing, the vacuum exhaust valve 46 is closed, the vacuum pumping valve 45 is opened, the vacuum pump pumps air in the material placing lower barrel 31 through the vacuum pumping pipe 42 to enable the material placing lower barrel 31 to be in a vacuum state, the turnover driving motor 213 drives the turnover driving shaft 212 to rotate to drive the turnover frame 214 to rotate, thereby, the rotation driving shaft 215 of the rotation frame 214 rotates, the rotation frame 214 rotates to drive the rotation driving shaft 215 to rotate in the circumferential direction, the rotation between the first gear 2162 and the second gear 2163 engaged with each other is caused to occur to rotate the rotation driving shaft 215, so that the planetary gear box 21 drives the stirring paddles 22 to rotate in the circumferential direction around the axis of the planetary gear box 21 as the rotation center to stir the material in the lower hopper 31.

The embodiments of the present invention are the preferred embodiments of the present invention, and not limited to the above, wherein the same reference numerals are used for the same components. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A planetary mixer comprising a frame (1), characterized in that it further comprises:

the stirring device (2) comprises a planetary gear box (21) arranged on the rack (1) and two stirring paddles (22) rotatably arranged on the planetary gear box (21), the planetary gear box (21) drives the stirring paddles (22) to rotate in the circumferential direction by taking the axis of the planetary gear box (21) as a rotation center, the two stirring paddles (22) are respectively positioned on two opposite sides of the axis of the planetary gear box (21), the rotation directions of the two stirring paddles (22) are the same, the stirring paddles (22) comprise a connecting shaft sleeve (221) rotatably connected with the planetary gear box (21) and a paddle body (222) fixedly arranged on the connecting shaft sleeve (221), and the paddle body (222) is spirally arranged;

the material placing device (3) comprises a material placing lower barrel (31) for placing materials to be stirred and a lifting mechanism (34) for driving the material placing lower barrel (31) to lift.

2. The planetary mixer according to claim 1, wherein the material placing lower barrel (31) comprises an inner barrel body (311) for placing the material to be mixed and an outer barrel body (312) sleeved outside the inner barrel body (311), the inner barrel body (311) comprises a containing barrel section (3111) fixedly connected with the outer barrel body (312) and a mixing barrel section (3112) fixedly arranged below the containing barrel section (3111), the inner wall of the mixing barrel section (3112) is in a curved surface arrangement protruding outwards, and a curved surface (2221) matched with the inner wall of the mixing barrel section (3112) is formed on the outer wall surface of the paddle body (222).

3. A planetary mixer according to claim 1, wherein the lower end of the lower hopper (31) is fixedly provided with a suspension bracket (32).

4. A planetary mixer according to claim 3, wherein the lower end of the suspension (32) is fitted with castors (33).

5. A planetary mixer according to claim 1, wherein the frame (1) is provided with a vacuum device (4), the vacuum device (4) comprises a sealed upper barrel (41) for sealing the material placing lower barrel (31), the mixing paddle (22) is fixedly connected with the frame (1) and is located in the sealed upper barrel (41), and the sealed upper barrel (41) is communicated with a vacuum pumping pipe (42) for communicating with a vacuum pump.

6. A planetary mixer according to claim 5, wherein the sealed upper barrel (41) is provided with a vent pipe (43), the vent pipe (43) is provided with a tee pipe (44), a first pipe orifice of the tee pipe (44) is communicated with the vent pipe (43), a second pipe orifice of the tee pipe (44) is provided with a vacuum pumping valve (45) for opening and closing the vacuum pumping pipe (42), and a third pipe orifice of the tee pipe (44) is provided with a vacuum exhaust valve (46) for opening and closing a third pipe orifice of the tee pipe (44).

7. A planetary mixer according to claim 6, wherein the inlet end of the evacuation valve (46) is fitted with a silencer (47).

8. A planetary mixer according to claim 1, wherein the planetary gear box (21) comprises a mounting plate (211) fixedly disposed on the frame (1), a revolving driving shaft (212) rotatably disposed on the mounting plate (211), and a revolving driving motor (213) for driving the revolving driving shaft (212) to rotate, the revolving driving motor (213) is fixedly connected to the mounting plate (211), the revolving driving shaft (212) is coaxially and fixedly disposed with a revolving frame (214), the revolving frame (214) is rotatably disposed with two rotation driving shafts (215) for mounting the mixing paddles (22), and the frame (1) is mounted with a rotation linkage (216) for driving the driving shaft (215) to rotate along with the revolving driving shaft (212).

9. A planetary mixer according to claim 8, wherein said linkage (216) comprises a shelf (2161) through which said epicyclic drive shaft (212) passes, a first gear (2162) mounted around said epicyclic drive shaft (212) for fixed connection with said shelf (2161), and a second gear (2163) in meshing engagement with said first gear (2162), said shelf (2161) being located between said epicyclic carrier (214) and said mounting plate (211) for fixed connection with said housing (1), said second gear (2163) being coaxially fixed to said rotation drive shaft (215).