CN219701704U - Spiral stirring mixing device - Google Patents
Spiral stirring mixing device Download PDFInfo
- Publication number
- CN219701704U CN219701704U CN202320391975.6U CN202320391975U CN219701704U CN 219701704 U CN219701704 U CN 219701704U CN 202320391975 U CN202320391975 U CN 202320391975U CN 219701704 U CN219701704 U CN 219701704U
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- China
- Prior art keywords
- barrel
- stirring
- main shaft
- ribbon
- mixing device
- Prior art date
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- 238000003756 stirring Methods 0.000 title claims abstract description 81
- 238000002156 mixing Methods 0.000 title claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000010439 graphite Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 239000005955 Ferric phosphate Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229940032958 ferric phosphate Drugs 0.000 description 2
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 2
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 238000010532 solid phase synthesis reaction Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model provides a spiral stirring and mixing device, which comprises: the stirring device comprises a fixing frame, a stirring barrel, a supporting frame and a stirring assembly; the fixing frame is used for fixing the stirring barrel; the stirring barrel is provided with a barrel body, a barrel bottom and a barrel cover; the barrel bottom is provided with a discharge hole; the supporting frame is arranged on the barrel body and supports the barrel cover; a bearing is arranged in the middle of the supporting frame; the stirring assembly comprises a rotary main shaft and a first spiral belt; one end of the rotary main shaft passes through the bearing and is exposed out of the barrel cover to form an operation part, and the other end of the rotary main shaft extends into the barrel body; the first spiral belt is spirally wound on a rotating main shaft positioned in the barrel body; the operating part is operated to rotate, so that the rotating main shaft and the first spiral belt are driven to rotate to stir and mix powder in the barrel body. The rotary main shaft and the first spiral belt are driven to rotate by operating the operation part to continuously separate and turn powder in the stirring barrel, so that uniform mixing can be realized. The barrel cover is covered on the stirring barrel, so that powder can be prevented from being lifted in the stirring and mixing process.
Description
Technical Field
The utility model belongs to the field of auxiliary equipment for on-site sampling and mixing of roasting powder, and particularly relates to a spiral stirring and mixing device.
Background
New energy lithium ion batteries have been rapidly developed in recent years, and lithium iron phosphate (LiFePO 4 ) The method is one of the most main positive electrode materials for preparing the lithium ion battery at present, and the commonly used methods for industrially producing the positive electrode materials are a liquid phase method and a solid phase method, wherein the liquid phase method is adopted by only a few mainstream enterprises because high temperature and high pressure resistant equipment is needed; the solid phase method adopts ferric phosphate (FePO) 4 ) As an iron source and a phosphorus source, the method adopts a carbon source for high-temperature reduction in an inert gas atmosphere when being mixed with lithium sources such as lithium carbonate, realizes surface in-situ carbon coating, adopts a track kiln for continuous high-temperature roasting, and is suitable for large-scale production. In the roasting process, a graphite sagger is often used as a container, and a large amount of rapid sampling is needed to judge the product quality for the control of the production process. Aiming at the phenomena of uneven sampling and stirring mixing of the on-site sintering powder and lifting of the powder, a better solution is still required.
Disclosure of Invention
To this end, the present utility model provides a helical stirring mixing device comprising: the stirring device comprises a fixing frame, a stirring barrel, a supporting frame and a stirring assembly; the fixing frame is used for fixing the stirring barrel; the stirring barrel is provided with a barrel body, a barrel bottom and a barrel cover; the barrel bottom is provided with a discharge hole; the supporting frame is arranged on the barrel body and supports the barrel cover; a bearing is arranged in the middle of the supporting frame; the stirring assembly comprises a rotary main shaft and a first spiral belt; one end of the rotating main shaft penetrates through the bearing to be exposed out of the barrel cover to form an operation part, and the other end of the rotating main shaft extends into the barrel body; the first spiral belt is spirally wound on the rotating main shaft in the barrel body; the operating part is operated to rotate, so that the rotating main shaft and the first spiral belt are driven to rotate to stir and mix powder in the barrel body.
Preferably, the stirring assembly further comprises a second spiral belt spirally wound on the rotating main shaft, the winding direction of the second spiral belt is opposite to that of the first spiral belt, and the second spiral belt and the first spiral belt are symmetrically positioned on two sides of the rotating main shaft.
Preferably, the stirring assembly further comprises a plurality of connecting pieces fixed on the rotating main shaft at intervals, and each connecting piece is connected with the first screw belt and the second screw belt which are positioned on two sides of the rotating main shaft.
Preferably, each connecting piece is provided with a plurality of stirring rods arranged at intervals, and the axis of each stirring rod is perpendicular to the axis of each connecting piece.
Preferably, an included angle between the axis of each connecting piece and the rotating main shaft is 45-60 degrees.
Preferably, the stirring barrel is in an inverted cone shape, the lengths of the connecting pieces are sequentially reduced along the direction from the barrel cover to the barrel bottom, and two ends of each connecting piece are respectively welded and fixed with the first spiral belt and the second spiral belt.
Preferably, the supporting frame is in a cross structure, and four tail ends of the supporting frame of the cross structure are welded and fixed on the upper edge of the barrel body; the middle of the supporting frame is provided with a circular ring, and the bearing is fixed in the circular ring.
Preferably, the barrel cover comprises two semicircular barrel covers, and the two barrel covers can be rotatably overlapped or separated.
Preferably, a pulley sleeve or an electric motor is mounted on the operation part, and when the pulley sleeve is mounted on the operation part, an operator can hold the pulley sleeve to manually operate the rotary main shaft to rotate; when the electric motor is arranged on the operation part, the electric motor can be started so as to drive the rotary main shaft to rotate.
Preferably, the nearest distance between the first ribbon and the inner wall of the barrel body is 0.1-1 cm.
According to the spiral stirring and mixing device provided by the utility model, the rotating main shaft and the first spiral belt are driven to rotate by operating the operation part to enable powder in the stirring barrel to be continuously separated and turned, so that uniform mixing can be realized. The barrel cover is covered on the stirring barrel, so that powder can be prevented from being lifted in the stirring and mixing process.
Drawings
Fig. 1 is a schematic structural diagram of a spiral stirring and mixing device according to an embodiment of the present utility model.
The reference numerals in the figures illustrate: the stirring device comprises a fixing frame 1, a circular ring 11, a stainless steel pipe 12, a stirring barrel 2, a barrel body 21, a barrel bottom 22, a discharge hole 221, a manual butterfly valve 222, a barrel cover 23, a supporting frame 3, a bearing 31, a stirring assembly 4, a rotating main shaft 41, an operating part 42, a first screw band 43, a second screw band 44, a connecting sheet 45 and a stirring rod 451.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be noted that the terms "upper," "lower," "left," "right," "front," "rear," "inner," "outer," "top," "bottom," "middle," "vertical," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a spiral stirring and mixing device according to an embodiment of the utility model. The spiral stirring and mixing device comprises: mount 1, agitator 2, support frame 3 and stirring subassembly 4.
The stirring barrel 2 is welded and fixed in the fixing frame 1, and the fixing frame 1 comprises a circular ring 11 and four stainless steel pipes 12 fixed around the circular ring 11 at equal intervals. One end of each stainless steel tube 12 is welded to the circular ring 11, and the other end is welded to the upper edge of the stirring barrel 2. The diameter of the circular ring 11 is consistent with the diameter of the largest part of the stirring barrel 2. The whole height of the fixing frame 1 is higher than that of the stirring barrel 2, when sampling, stirring and mixing are needed, the fixing frame 1 is placed on a track (not shown) of a track kiln, the fixing frame 1 supports and fixes the stirring barrel 2, so that the bottom of the stirring barrel 2 is at least one graphite sagger (not shown) away from the track, and powder which is uniformly stirred is conveniently placed back into the graphite sagger on the track.
The stirring barrel 2 is in an inverted cone shape, and the stirring barrel 2 is provided with a barrel body 21, a barrel bottom 22 and a barrel cover 23. The diameter of the upper edge of the barrel body 21 is the largest, the size of the upper edge is just consistent with the diameter of the circular ring 11 of the fixing frame 1, and the upper edge of the barrel body 21 is welded with the four stainless steel pipes 12 of the fixing frame 1. The bottom 22, the middle 21 and the top cover 23 together form a sealed space (not shown) in which the powder is stirred and mixed. The tub bottom 22 has a discharge port 221, and the discharge port 221 is provided with a manual butterfly valve 222 for opening and closing the discharge port 221. The stirring barrel 2 is of an inverted cone-shaped structure, and is favorable for fully and quickly discharging uniformly mixed powder.
The supporting frame 3 is in a cross structure, and four tail ends of the supporting frame 3 in the cross structure are welded and fixed on the upper edge of the barrel body 21 and support the barrel cover 23. The barrel cover 23 comprises two semicircular barrel covers (not shown), the two barrel covers can be rotationally overlapped or separated, and the barrel cover 23 is opened when overlapped and can be used for feeding; the lid 23 is closed when separated. The barrel cover 23 is provided with a circular opening in the middle. The middle of the supporting frame 3 is provided with a circular ring, the circular ring is exposed out of the opening, and a bearing 31 is fixed in the circular ring.
The stirring assembly 4 comprises a rotary main shaft 41, a first screw band 43, a second screw band 44 and a plurality of connecting pieces 45. One end of the rotating main shaft 41 is exposed to the tub cover 23 through the bearing 31 to form an operating portion 42, and the other end extends into the tub 21 and is adjacent to the tub bottom 22. The interval between the bottom end of the rotary spindle 41 and the tub bottom 22 is 0.1-1 cm. A pulley sleeve or an electric motor is mounted on the operation part 42, and when the pulley sleeve is mounted on the operation part 42, an operator can hold the pulley sleeve to manually operate the rotation main shaft 41 to rotate; when the electric motor is mounted on the operation unit 42, the electric motor rotates the rotary main shaft 41. In addition, when the pulley sleeve is mounted on the operating portion 42, the operating portion 42 has a zigzag shape.
The first ribbon 43 and the second ribbon 44 are both spirally wound on the rotating main shaft 41 located in the barrel 21, and are symmetrically located at both sides of the rotating main shaft 41. The winding direction of the second ribbon 44 is opposite to the winding direction of the first ribbon 43, for example, when the first ribbon 43 rotates clockwise, the second ribbon 44 rotates counterclockwise; while the first ribbon 43 rotates counterclockwise, the second ribbon 44 rotates clockwise. The closest distance between the first ribbon 43 and the inner wall of the barrel 21 is 0.1-1 cm, that is, a certain interval is formed between the first ribbon 43 and the inner wall of the stirring barrel 2, and the interval is 0.1-1 cm. The interval between the second ribbon 44 and the inner wall of the stirring vessel 2 coincides with the interval between the first ribbon 43 and the inner wall of the stirring vessel 2.
The plurality of connecting pieces 45 are arranged on the rotating main shaft 41 at intervals, and each connecting piece 45 is connected with the first screw belt 43 and the second screw belt 44 which are positioned at two sides of the rotating main shaft 41. The included angle between the axis of each connecting piece 45 and the rotating main shaft 41 is 45-60 degrees. In this embodiment, the axis of the connecting piece 45 forms an angle of 45 ° with the rotary spindle 41. The length of the plurality of connection pieces 45 decreases in sequence in the direction from the tub cover 23 to the tub bottom 22, that is, the length of the connection piece 45 is shorter as it is closer to the tub bottom 22. Both ends of each connecting piece 45 are welded and fixed with the first screw belt 43 and the second screw belt 44 respectively.
Each connecting piece 45 has a plurality of stirring rods 451 arranged at intervals, and the axis of each stirring rod 451 is perpendicular to the axis of the connecting piece 45. The plurality of stirring rods 451 of each connecting piece 45 have different lengths, and the stirring rod 451 on each connecting piece 45, which is closer to the rotation main shaft 41, has a longer length.
When the spiral stirring and mixing device works, the fixing frame 1 is placed on a track of the track kiln, the two sub-bucket covers are overlapped by rotation, the bucket cover 23 is opened, a powder sample taken from the track kiln is placed into the accommodating space from the opened bucket cover 23, the operation part 42 is operated to rotate by an opened electric motor or an operator hand, the operation part 42 rotates to drive the rotating main shaft 41, the first spiral belt 43, the second spiral belt 44 and the connecting sheet 45 to rotate, the first spiral belt 43 and the second spiral belt 44 continuously separate and turn powder in the stirring bucket 2 along opposite directions, meanwhile, the upper stirring rod 451 of the connecting sheet 45 and the connecting sheet 45 also continuously separate and turn powder in all directions, finally, the powder can be fully and uniformly mixed in a short time, after the powder is uniformly mixed, the manual operation butterfly valve 222 is operated to open the discharge hole 221, and the powder flows out of the discharge hole 221 into a graphite box in the track kiln. Wherein, in the process of flowing out the powder from the outlet 221, the stirring assembly 4 can be kept in operation, and the rotating main shaft 41, the first screw band 43, the second screw band 44 and the connecting piece 45 are beneficial to accelerating the powder and thoroughly flowing out.
The material of agitator 2 with stirring subassembly 4 is 304 stainless steel, ladle body 21 inner wall with stirring subassembly 4 is located the part of accommodation space all sprays the nitriding bath coating, and spraying nitriding bath coating can prevent the introduction of metallic foreign matter and smooth surface can make the powder be difficult for remaining.
At least two opposite sides of the outer side of the tub 21 are welded with buckles (not shown) for an operator to lift or put down the stirring tub 2, so that the screw stirring and mixing device is portable. The retaining ring is square or arc-shaped.
The above examples are only for illustrating the present utility model and are not to be construed as limiting the present utility model, and although the present utility model has been described in detail with reference to the above examples, the present utility model is not limited to the above embodiments. Accordingly, any modifications or equivalent substitutions may be made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the present utility model are intended to be included in the scope of the appended claims.
Claims (10)
1. A helical mixing device, comprising: the stirring device comprises a fixing frame (1), a stirring barrel (2), a supporting frame (3) and a stirring assembly (4); the fixing frame (1) is used for fixing the stirring barrel (2); the stirring barrel (2) is provided with a barrel body (21), a barrel bottom (22) and a barrel cover (23); the barrel bottom (22) is provided with a discharge hole (221); the supporting frame (3) is arranged on the barrel body (21) and supports the barrel cover (23); a bearing (31) is arranged in the middle of the supporting frame (3); the stirring assembly (4) comprises a rotary main shaft (41) and a first spiral belt (43); one end of the rotating main shaft (41) passes through the bearing (31) and is exposed out of the barrel cover (23) to form an operation part (42), and the other end extends into the barrel body (21); the first ribbon (43) is spirally wound on the rotating spindle (41) located inside the tub (21); operating the operation part (42) to rotate so as to drive the rotating main shaft (41) and the first screw belt (43) to rotate to stir and mix powder in the barrel body (21); the stirring barrel (2) is welded and fixed in the fixing frame (1), the fixing frame (1) comprises a circular ring (11) and four stainless steel pipes (12) which are fixed at equal intervals around the circular ring (11), one end of each stainless steel pipe (12) is welded to the circular ring (11), the other end of each stainless steel pipe is welded with the upper edge of the stirring barrel (2), and the diameter of the circular ring (11) is consistent with the diameter of the largest part of the stirring barrel (2).
2. The helical mixing device according to claim 1, wherein the mixing assembly (4) further comprises a second ribbon (44), the second ribbon (44) being helically wound around the rotating spindle (41), the second ribbon (44) being wound in a direction opposite to the first ribbon (43), the second ribbon (44) being symmetrically located on both sides of the rotating spindle (41) with respect to the first ribbon (43).
3. The helical mixing device according to claim 2, wherein said mixing assembly (4) further comprises a plurality of connecting tabs (45) fixed at intervals on said rotating spindle (41), each of said connecting tabs (45) connecting said first ribbon (43) and said second ribbon (44) on either side of said rotating spindle (41).
4. A helical mixing device according to claim 3, wherein each of said connecting tabs (45) has a plurality of stirring bars (451) disposed in spaced relation, the axis of each stirring bar (451) being perpendicular to the axis of said connecting tab (45).
5. The helical mixing device according to claim 4, wherein the axis of each of said connecting tabs (45) is at an angle of 45 ° to 60 ° to said main axis of rotation (41).
6. The spiral stirring and mixing device according to claim 5, wherein the stirring barrel (2) is in an inverted cone shape, the lengths of the connecting pieces (45) are sequentially reduced along the direction from the barrel cover (23) to the barrel bottom (22), and two ends of each connecting piece (45) are respectively welded and fixed with the first spiral strip (43) and the second spiral strip (44).
7. The spiral stirring and mixing device according to claim 1, wherein the supporting frame (3) is in a cross structure, and four ends of the supporting frame (3) in the cross structure are welded and fixed on the upper edge of the barrel body (21); the middle of the supporting frame (3) is provided with a circular ring, and the bearing (31) is fixed in the circular ring.
8. The helical mixing device according to claim 7, wherein said barrel cover (23) comprises two semicircular sub-barrel covers (23), and wherein said sub-barrel covers (23) are rotatably overlapped or separated.
9. The helical mixing device according to claim 1, wherein a pulley sleeve or an electric motor is mounted on the operation portion (42), and when the pulley sleeve is mounted on the operation portion (42), an operator can hold the pulley sleeve and manually operate to rotate the rotation main shaft (41); when the electric motor is mounted on the operation part (42), the electric motor can be started to drive the rotating main shaft (41) to rotate.
10. The helical mixing device according to claim 1, characterized in that the closest distance between the first ribbon (43) and the inner wall of the bowl (21) is between 0.1 and 1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320391975.6U CN219701704U (en) | 2023-03-06 | 2023-03-06 | Spiral stirring mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320391975.6U CN219701704U (en) | 2023-03-06 | 2023-03-06 | Spiral stirring mixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219701704U true CN219701704U (en) | 2023-09-19 |
Family
ID=87982147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320391975.6U Active CN219701704U (en) | 2023-03-06 | 2023-03-06 | Spiral stirring mixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219701704U (en) |
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2023
- 2023-03-06 CN CN202320391975.6U patent/CN219701704U/en active Active
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