CN117643813B - Graphene composite lithium vanadium phosphate anode material synthesis equipment - Google Patents
Graphene composite lithium vanadium phosphate anode material synthesis equipment Download PDFInfo
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- CN117643813B CN117643813B CN202410126042.3A CN202410126042A CN117643813B CN 117643813 B CN117643813 B CN 117643813B CN 202410126042 A CN202410126042 A CN 202410126042A CN 117643813 B CN117643813 B CN 117643813B
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 18
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 17
- YWJVFBOUPMWANA-UHFFFAOYSA-H [Li+].[V+5].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O Chemical compound [Li+].[V+5].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O YWJVFBOUPMWANA-UHFFFAOYSA-H 0.000 title claims abstract description 14
- 239000010405 anode material Substances 0.000 title description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000011259 mixed solution Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 146
- 238000013016 damping Methods 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 29
- 230000000670 limiting effect Effects 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- -1 compound lithium vanadium phosphate Chemical class 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000010406 cathode material Substances 0.000 claims 5
- 239000000243 solution Substances 0.000 abstract description 31
- 239000007774 positive electrode material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 6
- 229910011304 Li3V2 Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000003980 solgel method Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a graphene composite lithium vanadium phosphate positive electrode material synthesis device in the technical field of battery positive electrode composite material synthesis, which comprises a shell, wherein the shell is used for placing a mixed solution and heating the solution, a cover body is connected above the shell in a sliding manner, a motor is fixedly connected to the inner end part of the cover body, and a driving friction wheel is fixedly connected to the motor.
Description
Technical Field
The invention relates to the technical field of synthesis of battery anode composite materials, in particular to a graphene composite lithium vanadium phosphate anode material synthesis device.
Background
The synthesis process of graphene and lithium vanadium phosphate comprises the steps of preparing precursor melt, sol-gel process, drying treatment, heat treatment, grinding and mixing, sintering and forming, stirring equipment is needed to stir during the sol and gel process, and heating is performed from the outside while stirring, and stirring speed is an important parameter, and the mixing degree of each part in the sol and the formation of a gel structure are influenced by the stirring speed, but the conventional stirring equipment is inconvenient to change according to the state in the stirring process, so that the quality of the composite material is easily reduced.
Based on the above, the invention designs a graphene composite lithium vanadium phosphate anode material synthesis device to solve the above problems.
Disclosure of Invention
The invention aims to provide a graphene composite lithium vanadium phosphate anode material synthesis device, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the graphene composite lithium vanadium phosphate anode material synthesis device comprises a shell, wherein the shell is used for placing and heating a mixed solution, a cover body is connected above the shell in a sliding manner, a motor is fixedly connected to the inner side end part of the cover body, a driving friction wheel is fixedly connected to the motor, the driving friction wheel is abutted to a driven friction wheel, a driving shaft is arranged on one side of the driven friction wheel, and the driving shaft is rotationally connected to the inner side end part of the cover body;
the stirring device comprises a driving shaft, a stirring frame, a first spring, a first wedge-shaped plate, an inclined plane, an annular plate, a plurality of vertical inserting rods, a support frame and a contact rod, wherein the bottom end of the driving shaft is fixedly connected with the support frame;
the automatic transmission device is characterized in that a transmission group is arranged between the driven friction wheel and the driving shaft, the transmission group is used for supporting the driven friction wheel and driving the driving shaft to rotate through the transmission group when the driven friction wheel rotates, a pulling group is arranged at a position, close to the inner wall, of the cover body, the pulling group can intermittently drive the transmission group and the driven friction wheel to descend correspondingly according to the descending distance of the annular plate, and the transmission group can enable the driven friction wheel to keep the abutting state with the driving friction wheel when the transmission group descends with the driven friction wheel.
As a further scheme of the invention, the transmission group comprises a supporting plate, the supporting plate is in sliding connection with the cover body through a damping group, the damping group is used for providing damping for the supporting plate, a pressing rod is fixedly connected to the bottom of the supporting plate, the bottom end of the pressing rod is in contact with the top of the annular plate, a round hole is formed in the supporting plate, a connecting ring is rotationally connected to the inside of the round hole, the connecting ring is H-shaped, a first supporting rod and a second supporting rod are in sliding connection with the supporting plate, a second spring is fixedly connected between the first supporting rod and the inner wall of the supporting plate, a third spring is fixedly connected between the second supporting rod and the inner wall of the supporting plate, a sprocket is rotationally connected to the first supporting rod, a chain is in transmission connection between the top end of the connecting ring, the top end of the driven friction wheel and the top end of the sprocket, and the connecting ring is in sliding connection with the driving shaft.
As a further scheme of the invention, the inner wall of the connecting ring is fixedly connected with a convex strip, the driving shaft is provided with a sliding groove, and the convex strip is in sliding connection with the sliding groove.
As a further scheme of the invention, the pulling group comprises annular gear rings and horizontal rods which are in one-to-one correspondence with the number of the stirring frames, the horizontal rods are respectively and fixedly connected to the positions, close to the top ends, of each stirring frame, the horizontal rods are positioned at the bottoms of the annular gear rings and are attached to the bottoms of the annular gear rings, gaps are formed in the annular gear rings, the two horizontal sides of the gaps are in inclined states, a plurality of integrally formed L-shaped inserted rods are arranged in the inner rings of the annular gear rings, the inserted rods are in sliding connection with the supporting frames, fourth springs are fixedly connected between the inserted rods and the supporting frames, a first gear is meshed above the annular gear rings, the first gear is in rotary connection with the inner wall of the cover body, a first rack rod is meshed with a second gear, the second gear is in rotary connection with the inner wall of the cover body, the rotating shaft of the second gear is fixedly connected with a pull rope, and the top ends of the pull rope are fixedly connected with the bottom of the supporting plates.
As a further scheme of the invention, the side walls of the stirring frame are fixedly connected with second rack bars, the second rack bars are respectively meshed with a limiting gear, the bottoms of the limiting gears are respectively fixedly connected with a third supporting rod, the third supporting rods are respectively fixedly connected with a cylinder, and the cylinders are respectively fixedly connected with a supporting frame.
As a further scheme of the invention, the stirring frames are all U-shaped with downward openings, the top ends of the stirring frames are all provided with upward extending vertical rods, the stirring frames are all connected with L-shaped rods in a sliding mode, the top ends of the L-shaped rods are all in contact with the bottom of the annular gear ring, fifth springs are all fixedly connected between the L-shaped rods and the stirring frames, lifting rods are all arranged on one sides of the stirring frames, a plurality of stirring blades are rotatably connected to the inner walls of the stirring frames, the stirring blades are all obliquely arranged, torsion springs are all sleeved on rotating shafts of the stirring blades, third gears are all fixedly connected to the middle positions of the stirring blades, third rack rods which are in one-to-one correspondence with the third gears and meshed with the third gears are all fixedly connected to the lifting rods, sixth springs are all fixedly connected between the lifting rods and the L-shaped rods, top blocks are all fixedly connected to side walls of the lifting rods, second wedge blocks are all arranged below the lifting blocks, the second wedge blocks are all horizontally connected to the top ends of the stirring frames, and the wedge blocks are all connected to the top ends of the wedge blocks in a sliding mode.
As a further scheme of the invention, the top end of the L-shaped rod is rotationally connected with a roller, and the bottom of the pressure rod is rotationally connected with a ball.
As a further scheme of the invention, the damping group comprises a plurality of damping blocks, the damping blocks are respectively and fixedly connected to the end parts of the supporting plates, and the damping blocks are respectively and slidably connected with the inner wall of the cover body.
As a further scheme of the invention, the damping group comprises a plurality of seventh springs and abutting blocks, the abutting blocks are all in sliding connection with the supporting plate in the horizontal direction, the seventh springs are all fixedly connected between the abutting blocks and the supporting plate, and the abutting blocks are all in sliding connection with the cover body in the vertical direction.
Compared with the prior art, the invention has the beneficial effects that:
the stirring initial stage of the invention is that the rotation speed of the driven friction wheel is faster, the stirring requirement of the sol state is met, the first spring and the stirring frame are used for detecting after the viscosity is increased along with the increase of the stirring time, the descending depth of the annular plate is controlled according to the state change of the first spring and the stirring frame, the driving group and the driven friction wheel are lowered through the pulling group, the rotation speed of the driving shaft is further changed, the stirring speed is changed according to the different state changes in the whole process from the beginning to the end of solution stirring, the stirring speed of the stirring device is directly controlled in the transmission sense, and the composite quality can be further improved.
Through the restriction of cylinder, third branch and spacing gear to the second rack bar, make the motor restrict the second rack bar when just beginning to rotate, avoid stirring the frame and directly cause stirring the frame to slide along the spacing groove by force because of pivoted kinetic energy when solution is inside to rotate when the motor just begins to rotate, wait until solution pivoted speed after the motor rotates for a period of time mild later the cylinder shortens, can make stirring the frame slide according to the viscosity.
When support frame and annular ring gear are rotating, because of annular ring gear under the first gear, make annular ring gear can push down the horizon bar, and then carry out a restriction to horizon bar and stirring frame through the frictional force of horizon bar and annular ring gear, annular ring gear is pushing down the horizon bar when making first rack bar and second gear engagement, and then the stay cord pulling backup pad can not promote first wedge plate and stirring frame and slide along the spacing groove because of great downforce when descending.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structures of the housing and the cover of the present invention;
FIG. 3 is a schematic diagram showing the positional relationship between the pull cord and the support plate and the second gear;
FIG. 4 is a schematic view of the connection relationship between the first strut, the second strut, and the drive shaft and the connecting ring according to the present invention;
FIG. 5 is a schematic view showing the positional relationship between an annular plate and a compression bar and between the annular plate and an annular ring gear of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
FIG. 7 is a schematic view of the positional relationship between the annular plate and the connecting member and the diagonal rods of the present invention;
FIG. 8 is a schematic view of the positional relationship between the annular gear ring and the support frame, the stirring frame and the first wedge plate;
FIG. 9 is a schematic view showing the positional relationship of the ring gear of the present invention with the first rack bar and the fourth spring;
FIG. 10 is a schematic view showing the positional relationship between a stirring blade and a lifting rod, a stirring frame and an L-shaped rod according to the present invention;
FIG. 11 is a partial enlarged view at B in FIG. 10;
FIG. 12 is a schematic view of the connection of the L-shaped rod to the lift rod and the top block of the present invention;
FIG. 13 is a schematic view showing the positional relationship between the stirring blade and the stirring frame and the third gear;
FIG. 14 is a schematic view of a first embodiment of the present invention;
fig. 15 is a schematic structural diagram of a second embodiment of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a housing; 2. a cover body; 3. a motor; 4. a driving friction wheel; 5. a driven friction wheel; 6. a drive shaft; 7. a support frame; 8. a limit groove; 9. a stirring frame; 10. a first spring; 11. a first wedge plate; 12. an annular plate; 13. a contact lever; 14. a support plate; 15. a compression bar; 16. a connecting ring; 17. a first strut; 18. a second strut; 19. a second spring; 20. a third spring; 21. a sprocket; 22. a chain; 23. a convex strip; 24. a chute; 25. an annular gear ring; 26. a notch; 27. a fourth spring; 28. a first gear; 29. a first rack bar; 30. a second gear; 31. a pull rope; 32. a second rack bar; 33. a limit gear; 34. a third strut; 35. a cylinder; 36. stirring blades; 37. a torsion spring; 38. a third gear; 39. an abutment block; 40. a lifting rod; 41. a third rack bar; 42. an L-shaped rod; 43. a sixth spring; 44. a top block; 45. a second wedge block; 46. a diagonal rod; 47. a connecting piece; 48. a horizontal bar; 49. a damping block; 50. a seventh spring; 51. and a fifth spring.
Detailed Description
Referring to fig. 1-15, the present invention provides a technical solution: the utility model provides a graphite alkene composite lithium vanadium phosphate positive electrode material synthesis equipment, includes casing 1, casing 1 is used for placing and heating mixed solution, casing 1 top sliding connection has lid 2, the inboard tip fixedly connected with motor 3 of lid 2, motor 3 output fixedly connected with initiative friction wheel 4 (accessible change contact material, or butt pressure, improvement transmission stability), initiative friction wheel 4 butt has driven friction wheel 5, driven friction wheel 5 one side is provided with drive shaft 6, drive shaft 6 rotates the connection at lid 2 inboard tip;
the stirring device is characterized in that a support frame 7 is fixedly connected to the bottom end of the driving shaft 6, a plurality of limit grooves 8 are formed in the support frame 7, stirring frames 9 are slidably connected to the inside of the limit grooves 8, the stirring frames 9 are used for stirring mixed solution, a first spring 10 is fixedly connected between the position, close to the top end, of each stirring frame 9 and the limit groove 8, a first wedge plate 11 is fixedly connected to the top end of each stirring frame 9, an inclined surface is formed in each first wedge plate 11, an annular plate 12 is arranged above the support frame 7, the annular plate 12 is slidably connected with the support frame 7 in the vertical direction through a plurality of vertical inserted bars at the bottom end of the annular plate 12, contact rods 13 are respectively arranged above the first wedge plates 11, the contact rods 13 are fixedly connected to the side walls of the annular plates 12, and the contact rods 13 slide along the inclined surfaces of the first wedge plates 11 when the first wedge plates 11 slide along the limit grooves 8;
be provided with the drive group between driven friction wheel 5 and the drive shaft 6, the drive group is used for supporting driven friction wheel 5 and drives drive shaft 6 through the drive group and rotate when driven friction wheel 5 rotates, the position that lid 2 is close to the inner wall is provided with the pulling group, the pulling group can be intermittent type drive group and driven friction wheel 5 decline corresponding degree according to the distance that annular plate 12 descends, just the drive group can make driven friction wheel 5 keep the butt state with initiative friction wheel 4 when descending with driven friction wheel 5.
As shown in fig. 1, 2, 5, 6, 8, 14 and 15, firstly, the cover body 2 is integrally opened from the upper part of the shell 1, then the solution is added into the shell 1, the shell 1 heats the solution in the shell through an internal heating plate, then the cover body 2 is covered on the shell 1, at this time, the sealing of the shell 1 and the solution in the shell can be completed, then the motor 3 is started, the driving friction wheel 4 is driven to rotate when the motor 3 rotates, the rotation speed of the motor 3 and the driving friction wheel 4 is constant, the driving friction wheel 4 drives the driven friction wheel 5 to rotate through a transmission group, namely the rotation speed of the driving shaft 6 is determined by the rotation speed of the driven friction wheel 5, and the driving shaft 6 is driven to rotate through the transmission group when the driven friction wheel 5 rotates, the supporting frame 7, the stirring frame 9 and the annular plate 12 are driven to synchronously rotate when the driving shaft 6 rotates, and then the solution in the shell 1 is stirred;
in the initial stirring stage, the viscosity of the solution in the shell 1 is low, in the stirring process, the resistance to the stirring frame 9 is small, the first spring 10 cannot be further stretched (the pre-stress of the first spring 10 can be adjusted to control the actual stress of the first spring 10 which is further stretched), the stirring frame 9 plays a normal stirring role in the process, along with the increase of the stirring time, the solution can be converted from sol to gel, the fluidity of the solution is reduced, the viscosity can be gradually increased, the resistance to the stirring frame 9 is increased, at the moment, the stirring frame 9 overcomes the initial pre-stress of the first spring 10 and slides along the limit groove 8 while rotating along the support frame 7 (as shown in fig. 10 and 11, the part of the stirring frame 9 close to the top end is larger, namely the part positioned in the limit groove 8 can be understood to be T-shaped), the limit and support effect can be realized by the shape of the stirring frame 8 on the premise of meeting the sliding, and the top end of the stirring frame 9 is arc-shaped, the first spring 10 can also be gradually stretched, and when the stirring frame 9 slides along the limit groove 8, the first wedge plate 11 is driven to slide along the limit groove 8, and the wedge plate 11 is contacted with the first wedge plate 11 and the first wedge plate 11 can slide along the vertical inclined plane, and the first wedge plate 11 can slide along the contact plate 11 and the upper contact plate 11 is contacted with the first inclined plane 11;
the moving distance of the first wedge plate 11 is determined by the moving distance of the stirring frame 9 along the limit groove 8, the descending distance of the contact rod 13 and the annular plate 12 is determined by the moving distance of the first wedge plate 11, namely, the larger the viscosity of solution is, the longer the sliding distance of the stirring frame 9 along the limit groove 8 is, the deeper the descending depth of the annular plate 12 is, the pulling group can drive the transmission group and the driven friction wheel 5 to descend to the corresponding degree according to the descending distance of the contact rod 13 sliding along the inclined surface of the first wedge plate 11, the pulling group works intermittently, the synchronous rotation circle number of the driving shaft 6 is adopted, the descending depth of the annular plate 12 is determined by the descending depth of the transmission group and the driven friction wheel 5, when the descending depth of the annular plate 12 is deeper, the transmission group and the driven friction wheel 5 are deeper, when the transmission group and the driven friction wheel 5 are descended, the driven friction wheel 5 can keep the state of abutting against each other through the transmission group, the driven friction wheel 5 is descended along the side wall of the driving friction wheel 4, the self-adapting to the descending speed of the driven friction wheel 5 is not changed, and the self-adapting to the rotation ratio of the driven friction wheel 5 is changed along with the descending speed of the driving friction wheel 4;
in the sol-gel process, the stirring speed is an important parameter, which affects the mixing degree of each component in the sol and the formation of a gel structure, and for the compounding of graphene and Li3V2 (Po 4) 3, the stirring speed of the sol needs to be relatively high so as to promote the uniform dispersion and full mixing of the graphene and the Li3V2 (Po 4) 3 in the solution, and the high stirring speed can enable the graphene to be more uniformly dispersed in the sol, avoid agglomeration or precipitation of the graphene and is also beneficial to the uniform distribution of the Li3V2 (Po 4) 3 in the solution, and the stirring speed of the gel can be reduced appropriately, because the gel already starts to form a stable structure, and if the stirring is continued at the high stirring speed, the structure of the gel can be destroyed, so that the quality of the composite material is reduced;
therefore, the stirring speed is changed according to different state changes in the whole process from the beginning to the end of solution stirring, and the stirring speed of the stirring device is different from that of directly controlling the stirring device in the transmission sense, so that the quality of graphene and Li3V2 (Po 4) 3 compounding can be further improved;
after the stirring is completed, the motor 3 is turned off, the cover body 2 is taken down, and then the mixture is discharged through a pipeline arranged at the bottom of the shell 1.
As a further scheme of the invention, the transmission set comprises a support plate 14, the support plate 14 is slidably connected with the cover body 2 through a damping set, the damping set is used for providing damping for the support plate 14, a pressing rod 15 is fixedly connected to the bottom of the support plate 14, the bottom end of the pressing rod 15 is in contact with the top of the annular plate 12, a round hole is formed in the support plate 14, a connecting ring 16 is rotatably connected to the inside of the round hole, the connecting ring 16 is in an H shape, a first support rod 17 and a second support rod 18 are slidably connected to the support plate 14, a second spring 19 is fixedly connected between the first support rod 17 and the inner wall of the support plate 14, a third spring 20 is fixedly connected between the second support rod 18 and the inner wall of the support plate 14, a sprocket 21 is rotatably connected to the first support rod 17, a chain 22 is rotatably connected to the top end of the connecting ring 16, a driven friction wheel 5 and the top end of the sprocket 21, and the connecting ring 16 is slidably connected to the driving shaft 6.
As a further aspect of the present invention, a protruding strip 23 is fixedly connected to the inner wall of the connecting ring 16, a chute 24 is formed on the driving shaft 6, and the protruding strip 23 is slidably connected with the chute 24.
As shown in fig. 2-8, when the driving friction wheel 4 rotates, the driven friction wheel 5 is driven to rotate, when the driven friction wheel 5 rotates, the chain wheel 21 and the connecting ring 16 are driven to rotate by the chain 22 (shafts for driving the chain 22 are arranged at the tops of the driven friction wheel 5 and the connecting ring 16), when the connecting ring 16 rotates, the connecting ring 16 rotates in a round hole on the supporting plate 14, and when the connecting ring 16 rotates, the connecting ring 16 drives the sliding chute 24 to rotate by the convex strip 23, so that the driving shaft 6 rotates, the supporting plate 14 is in sliding connection with the cover body 2, the supporting plate 14 can be lapped inside the cover body 2 under the action of the damping group, and the pressing rod 15 at the bottom of the supporting plate 14 is contacted with the top end of the annular plate 12;
after the stirring frame 9 is stirred for a certain time, the viscosity of the solution is increased, the stirring frame 9 slides along the limit groove 8 and drives the first wedge-shaped plate 11, then the annular plate 12 and the contact rod 13 are lowered, the annular plate 12 is at a certain distance from the bottom end of the pressure rod 15, the pulling group works intermittently, and the supporting plate 14 is driven to descend when the driving shaft 6 rotates once, and the driven friction wheel 5, the chain wheel 21 and the connecting ring 16 are also lowered together after the pulling group works until the pressure rod 15 is stopped after being lowered to the top end of the annular plate 12;
the bottoms of the driven friction wheel 5 and the chain wheel 21 are respectively provided with a second supporting rod 18 and a first supporting rod 17, a third spring 20 and a second spring 19 are fixedly connected between the second supporting rod 18 and the first supporting rod 17 and the supporting plate 14 respectively, when the supporting plate 14 descends, the driven friction wheel 5 descends while being abutted with the driving friction wheel 4, in the process, the driven friction wheel 5 and the second supporting rod 18 can be pushed by the third spring 20 to move outwards along the supporting plate 14, then the driven friction wheel 5 is adapted to the descending, when the second supporting rod 18 moves outwards, the chain 22 can exert a certain pressure on the chain wheel 21, so that the first supporting rod 17 and the chain wheel 21 move towards the direction close to the supporting plate 14, and the second spring 19 can be compressed;
it should be noted that, in order to ensure that the driven friction wheel 5 and the driving friction wheel 4 keep fit and have enough positive pressure, the stiffness coefficient of the third spring 20 can be properly increased, or a linear driving executing piece is arranged on the axis of the third spring 20, when the supporting plate 14 descends, the linear driving executing piece drives the second supporting rod to forcedly displace, so as to ensure that larger enough positive pressure exists between the driven friction wheel 5 and the driving friction wheel 4; and thus the actual transmission ratio between the driven friction wheel 5 and the driving friction wheel 4 is changed when the support plate 14 is lowered.
As a further scheme of the invention, the pulling group comprises annular gear rings 25 and horizontal rods 48 corresponding to the stirring frames 9 in number one by one, the horizontal rods 48 are respectively and fixedly connected to the positions, close to the top ends, of each stirring frame 9, the horizontal rods 48 are positioned at the bottoms of the annular gear rings 25 and are attached to the bottoms of the annular gear rings 25, gaps 26 are formed in the annular gear rings 25, the middle of each gap 26 is in a horizontal shape, two sides of each gap 26 are in an inclined state, a plurality of integrally formed L-shaped inserted rods are arranged in the inner ring of each annular gear ring 25, each inserted rod is in sliding connection with the supporting frame 7, fourth springs 27 are fixedly connected between each inserted rod and the supporting frame 7, a first gear 28 is meshed above each annular gear ring 25, the first gear 28 is in rotary connection with the inner wall of the cover body 2, a first rack rod 29 is fixedly connected with the inner wall of each annular gear ring 25, a second gear 30 is meshed with the corresponding first rack rod 30, the rotating shafts of the second gears 30 are fixedly connected with the top ends 31 of the corresponding pull ropes 31, and the bottom ends of the pull ropes 14 are fixedly connected with the supporting plates 14.
When the pulling group works, as shown in fig. 2, 3, 5, 6, 8 and 9, as the driving group plays a role in supporting the driven friction wheel 5, the descending distance of the driving group is determined by the descending distance of the annular plate 12, and when the pulling group works intermittently, the supporting plate 14 can be pulled to descend for a certain distance in the process of each rotation of the supporting frame 7 and the driving shaft 6, so when the driving shaft 6 drives the supporting frame 7 and the annular plate 12 to rotate, the supporting frame 7 also drives the annular gear ring 25 to synchronously rotate, the annular gear ring 25 drives the first rack bar 29 to rotate when rotating, the first rack bar 29 can be meshed with the second gear 30 to a certain extent in each rotation, the second gear 30 can rotate when the first rack bar 29 is meshed with the second gear 30, and the supporting plate 14 is pulled to descend along the cover body 2 through the pull rope 31, and the pull rope 31 has a certain elastic force, when the second gear 30 is meshed with the first rack bar 29, the pull rope 31 is pulled to descend for a certain distance, when the bottom of the supporting plate 14 is lowered to the top end of the annular plate 12 and the annular plate 12 is in contact with the first gear bar 29, and the first gear bar 29 is in contact with the first gear bar 30, and the first gear bar 30 is reset to be meshed with the second gear bar 30, and the first gear bar 30 is in a certain degree of contact with the first gear bar 30 is reset, and the first gear bar 30 is in a certain degree of contact with the first gear bar 30 and the first gear bar 30 is reset, and the first gear bar 30 is in a certain degree, and is in contact with the first gear bar and is in a certain distance and is in a lower and is in contact;
after the solution becomes viscous, the stirring frame 9 slides in the limiting groove 8, the first spring 10 also elastically changes, and then the pulling group is required to drive the transmission group to descend, but when the supporting plate 14 is pulled by the pull rope 31 to descend, in order to avoid that the pressure of the pressing rod 15 to the annular plate 12 is large, the contact rod 13 presses the first wedge plate 11 downwards, and then the first wedge plate 11 drives the stirring shaft 9 to slide along the limiting groove 8, which can cause the supporting plate 14 and the driven friction wheel 5 to excessively descend, and the stirring speed required by the viscosity of the solution is not matched, so that the stirring effect is affected, and the situation can be avoided through the cooperation of the annular gear ring 25 and the first gear 28;
because the bottom of the annular gear ring 25 is contacted with the top end of the horizontal rod 48, the first gear 28 is meshed with the annular gear ring 25, and the annular gear ring 25 has a certain downward pressure on the annular gear ring 25 under the action of the fourth spring 27, so that the annular gear ring 25 cannot slide along the supporting frame 7 under the action of the fourth spring 27, when the supporting frame 7 and the annular gear ring 25 rotate, the annular gear ring 25 can press down the horizontal rod 48 because the first gear 28 presses down the annular gear ring 25, the horizontal rod 48 and the stirring frame 9 are limited by the friction force of the horizontal rod 48 and the annular gear ring 48, the annular gear ring 25 presses down the horizontal rod 48 when the first rack rod 29 is meshed with the second gear 30, and the annular plate 12 cannot push the first wedge plate 11 and the stirring frame 9 to slide along the limiting groove 8 due to the larger downward pressure when the supporting plate 14 is pulled down by the pull rope 31;
the annular gear ring 25 is provided with a notch 26, the notch 26 can enable the first gear 28 to be separated from the engagement with the annular gear ring 25 when the notch 26 rotates below the first gear 28 and enter the notch 26, then the annular gear ring 25 slides up along the support frame 7 under the action of the fourth spring 27, the bottom of the annular gear ring 25 is separated from the horizontal rod 48, the pressing of the horizontal rod 48 and the limiting action on the stirring frame 9 are further removed, the stirring frame 9 can slide along the limiting groove 8, and then can slide for a certain distance along the limiting groove 8 according to the viscous state of the solution when the stirring frame 9 contacts the solution, the first spring 10 is compressed for a certain distance, the annular plate 12 slides downwards for a certain distance along the support frame 7, but when the first gear 28 is positioned in the notch 26, the second gear 30 is not meshed with the first rack bar 29, so that the support plate 14 is lapped in the cover body 2 and is static under the action of the damping group, after the first gear 28 is separated from the notch 26 and is meshed with teeth on the top of the annular gear ring 25 again, the second gear 30 is meshed with the first rack bar 29 along with the rotation of the support frame 7 for one circle, and the stay cord 31 pulls the support plate 14 to descend;
it should be noted that the annular gear ring 25 and the top of the first gear 28 do not have to have teeth, but may be annular rings, but the first gear 28 may also have a notch 26, where the teeth are provided only for increasing friction by meshing of the teeth when the two are in contact, and the size of the notch 26 is not fixed, and since the size of the notch 26 determines the free time of the stirring frame 9 in the limiting groove 8, that is, the contact time with the solution, the size of the notch 26 can be adjusted, but it is necessary to ensure that the second gear 30 can be meshed with the first rack bar 29 when the first gear 28 is located in the notch 26.
As a further scheme of the invention, the side walls of the stirring frame 9 are fixedly connected with second rack bars 32, the second rack bars 32 are respectively meshed with a limiting gear 33, the bottoms of the limiting gears 33 are respectively fixedly connected with a third supporting rod 34, the third supporting rods 34 are respectively fixedly connected with an air cylinder 35, and the air cylinders 35 are respectively fixedly connected with the supporting frame 7.
When the above scheme works, when the motor 3 starts to drive the driving friction wheel 4 to rotate, the limiting gear 33 is in contact with the second rack bar 32 and limits the second rack bar 32, so that the second rack bar 32 and the stirring frame 9 cannot slide along the limiting groove 8 in the period of time when the motor 3 starts to be arranged, after a small period of time when the motor 3 rotates, the air cylinder 35 is restarted, at the moment, the air cylinder 35 can be shortened and drives the third support rod 34 and the limiting gear 33 to be far away from the second rack bar 32, and then after the first gear 28 moves into the notch 26, the stirring frame 9 can slide along the limiting groove 8 according to the viscous state of the solution;
the second rack bar 32 is limited by the air cylinder 35, the third support bar 34 and the limiting gear 33, so that the motor 3 is limited to the second rack bar 32 when the motor 3 just starts to rotate, the stirring frame 9 is prevented from forcedly sliding along the limiting groove 8 due to the rotating kinetic energy when the stirring frame 9 rotates in the solution when the motor 3 just starts to rotate, the air cylinder 35 is shortened after the rotating speed of the solution is gentle after the motor 3 rotates for a certain time, and the stirring frame 9 can slide according to viscosity.
As a further scheme of the invention, the stirring frame 9 is in a U shape with a downward opening, vertical rods extending upwards are arranged at the top ends of the stirring frame 9, L-shaped rods 42 are connected to the stirring frame 9 in a sliding manner, the top ends of the L-shaped rods 42 are in contact with the bottom of the annular gear ring 25, fifth springs 51 are fixedly connected between the L-shaped rods 42 and the stirring frame 9, lifting rods 40 are arranged on one side of the stirring frame 9, a plurality of stirring blades 36 are rotatably connected to the inner wall of the stirring frame 9, the stirring blades 36 are obliquely arranged, torsion springs 37 are sleeved on rotating shafts of the stirring blades 36, third gears 38 are fixedly connected to middle positions of the stirring blades 36, third rack rods 41 which are in one-to-one correspondence with the third gears 38 are fixedly connected to the lifting rods 40, the lifting rods 40 are respectively connected with the L-shaped rods 42 on one side of the lifting rods, sixth springs 43 are fixedly connected between the lifting rods 40 and the L-shaped rods 42, top side wall lifting blocks 40 are fixedly connected with top blocks 44, wedge-shaped pieces 45 are connected to the bottom ends of the wedge-shaped rods 45, and wedge-shaped pieces 45 are connected to the top ends of the wedge-shaped rods 45 in a sliding manner, and the wedge-shaped pieces 45 are connected to the top ends of the wedge-shaped pieces 45 are connected to the wedge-shaped pieces 45 in a sliding manner.
As shown in fig. 2, 5, 10 and 13, the stirring blade 36 is obliquely arranged, when the stirring frame 9 rotates, the stirring area of the solution can be increased through the arranged stirring blade 36, so that the shearing force is increased, the stirring effect is improved, and the uniform stirring in a sol state is further satisfied, moreover, when the first gear 28 moves into the notch 26, the annular gear ring 25 can slide and rise along the supporting frame 7 under the elastic action of the fourth spring 27, when the annular gear ring 25 rises, the L-shaped rod 42 can slide and rise along the vertical position of the upper part of the stirring frame 9 under the pushing of the fifth spring 51, at this time, the L-shaped rod 42 also drives the lifting rod 40 to rise through the sixth spring 43, so that the third rack rod 41 drives the third gear 38 to rotate, and the stirring blade 36 is completely rotated to a vertical state, so that the contact with the solution is increased, and when the viscous state of the solution is acted on the stirring frame 9, and when the first gear 28 moves to the top of the annular gear ring 25 again, the annular gear ring 25 presses down the L-shaped rod 42, and all stirring blades 36 can be changed into an initial inclined state;
along with the stirring of the solution, the solution is gradually viscous, the annular plate 12 is gradually lowered, when the annular plate 12 is lowered, the inclined rod 46 is pushed by the connecting piece 47, the second wedge-shaped block 45 can be pushed to slide along the stirring frame 9 by the inclined rod 46, the jacking block 44 is jacked up by the second wedge-shaped block 45 when the second wedge-shaped block 45 slides, even if the initial height of the jacking block 44 changes according to the lowering depth of the annular plate 12, the lifting rod 40 and the plurality of third rack rods 41 are lifted, and then the third gear 38 is driven to rotate, so that the third gear 38 drives the stirring blade 36 to gradually rotate horizontally, an auxiliary reset effect can be achieved through the torsion spring 37, and the rotating angle of the stirring blade 36 to the horizontal direction is determined by the lowering depth of the annular plate 12, namely, when the stirring blade 36 rotates to the horizontal direction, the state of gel is reached, at this time, the stirring speed and the shearing force are required to be reduced, and the shearing force of the stirring blade 36 is minimized when the stirring blade 36 is in the horizontal state or is in the state of being close to the horizontal state, and then the gel structure is avoided.
As a further scheme of the invention, the top end of the L-shaped rod 42 is rotatably connected with a roller, and the bottom of the compression rod 15 is rotatably connected with a ball.
Above-mentioned scheme can reduce frictional force through gyro wheel and ball at the during operation, and gyro wheel and ball are arbitrary one of prior art.
Example 1
As a further aspect of the present invention, the damping group includes a plurality of damping blocks 49, the damping blocks 49 are fixedly connected to the end portions of the support plate 14, and the damping blocks 49 are slidably connected to the inner wall of the cover 2.
When the damping group works, the supporting plate 14 can stay at any position through the friction force between the damping block 49 and the inner wall of the cover body 2, and can descend only after being pulled, and stay again after the pulling force is lost.
Example two
As a further scheme of the invention, the damping group comprises a plurality of seventh springs 50 and abutting blocks 39, the abutting blocks 39 are all in sliding connection with the supporting plate 14 in the horizontal direction, the seventh springs 50 are all fixedly connected between the abutting blocks 39 and the supporting plate 14, and the abutting blocks 39 are all in sliding connection with the cover body 2 in the vertical direction.
In operation, the damping group causes the support plate 14 to rest by the pressing force applied to the inner wall of the cover 2 by the seventh spring 50 and the abutment block 39.
Claims (6)
1. The utility model provides a compound lithium vanadium phosphate positive material synthesis equipment of graphite alkene, includes casing (1), casing (1) are used for placing and heating mixed solution, casing (1) top sliding connection has lid (2), its characterized in that: the motor (3) is fixedly connected to the inner side end part of the cover body (2), the motor (3) is fixedly connected with the driving friction wheel (4), the driving friction wheel (4) is abutted to the driven friction wheel (5), one side of the driven friction wheel (5) is provided with a driving shaft (6), and the driving shaft (6) is rotationally connected to the inner side end part of the cover body (2);
the novel stirring device is characterized in that a supporting frame (7) is fixedly connected to the bottom end of the driving shaft (6), a plurality of limiting grooves (8) are formed in the supporting frame (7), stirring frames (9) are slidably connected to the inside of the limiting grooves (8), the stirring frames (9) are used for stirring mixed solution, a first spring (10) is fixedly connected between the position, close to the top end, of each stirring frame (9) and the limiting groove (8), a first wedge plate (11) is fixedly connected to the top end of each stirring frame (9), an inclined surface is formed in each first wedge plate (11), an annular plate (12) is arranged above the supporting frame (7), the annular plate (12) is slidably connected with the supporting frame (7) in the vertical direction through a plurality of vertical inserted bars at the bottom end of the annular plate (12), contact rods (13) are arranged above the first wedge plates (11), the contact rods (13) are fixedly connected to the side walls of the annular plates (12), and the contact rods (13) can slide along the inclined surfaces of the first wedge plates (11) when the first wedge plates (8) slide along the limiting grooves.
A transmission group is arranged between the driven friction wheel (5) and the driving shaft (6), the transmission group is used for supporting the driven friction wheel (5) and driving the driving shaft (6) to rotate through the transmission group when the driven friction wheel (5) rotates, a pulling group is arranged at a position, close to the inner wall, of the cover body (2), the pulling group can drive the transmission group and the driven friction wheel (5) to descend to a distance matched with the length of the descending distance of the annular plate (12) according to the length of the descending distance of the annular plate (12) when the driven friction wheel (12) intermittently works, and the transmission group can enable the driven friction wheel (5) to keep a contact state with the driving friction wheel (4) when the transmission group descends with the driven friction wheel (5);
the transmission group comprises a supporting plate (14), the supporting plate (14) is in sliding connection with the cover body (2) through a damping group, the damping group is used for providing damping for the supporting plate (14), a pressing rod (15) is fixedly connected to the bottom of the supporting plate (14), the bottom end of the pressing rod (15) is in contact with the top of the annular plate (12), a round hole is formed in the supporting plate (14), a connecting ring (16) is rotatably connected to the inside of the round hole, the connecting ring (16) is H-shaped, a first supporting rod (17) and a second supporting rod (18) are slidably connected to the supporting plate (14), a second spring (19) is fixedly connected between the first supporting rod (17) and the inner wall of the supporting plate (14), a third spring (20) is fixedly connected between the second supporting rod (18) and the inner wall of the supporting plate (14), a sprocket wheel (21) is rotatably connected to the first supporting rod (17), a driven friction wheel (5) is rotatably connected to the second supporting rod (18), a top end of the connecting ring (16), a driven friction wheel (5) and a driving ring (21) are connected to the driving ring (16), and a driving chain (6) are slidably connected to the driving ring (16);
the inner wall of the connecting ring (16) is fixedly connected with a raised line (23), the driving shaft (6) is provided with a chute (24), and the raised line (23) is in sliding connection with the chute (24);
the pulling group comprises annular gear rings (25) and horizontal rods (48) corresponding to the number of stirring frames (9) one by one, the horizontal rods (48) are fixedly connected to the positions, close to the top ends, of the stirring frames (9) respectively, the horizontal rods (48) are located at the bottoms of the annular gear rings (25) and are attached to the bottoms of the annular gear rings (25), notches (26) are formed in the annular gear rings (25), the two sides of the notches (26) are in inclined states, a plurality of integrally formed inserted rods which are L-shaped are arranged on the inner rings of the annular gear rings (25), the inserted rods are all in sliding connection with a supporting frame (7), fourth springs (27) are fixedly connected between the inserted rods and the supporting frame (7), first gears (28) are meshed above the annular gear rings (25), the first gears (28) are rotatably connected with the inner walls of a cover body (2), first rack rods (29) are fixedly connected to the inner walls of the annular gear rings (25), second gears (30) are meshed with second gears (30), and the second gears (30) are fixedly connected with the bottom portions of the supporting frame (31) which are fixedly connected with the pull ropes (31).
2. The graphene composite lithium vanadium phosphate cathode material synthesis device according to claim 1, wherein: the stirring frame is characterized in that the side wall of the stirring frame (9) is fixedly connected with a second rack bar (32), the second rack bar (32) is meshed with a limiting gear (33), the bottom of the limiting gear (33) is fixedly connected with a third supporting rod (34), the third supporting rod (34) is fixedly connected with a cylinder (35), and the cylinder (35) is fixedly connected with a supporting frame (7).
3. The graphene composite lithium vanadium phosphate cathode material synthesis device according to claim 2, wherein: the stirring frame (9) is U-shaped with downward openings, vertical rods extending upwards are arranged at the top ends of the stirring frame (9), L-shaped rods (42) are connected with the stirring frame (9) in a sliding mode, the top ends of the L-shaped rods (42) are in contact with the bottom of the annular gear ring (25), fifth springs (51) are fixedly connected between the L-shaped rods (42) and the stirring frame (9), lifting rods (40) are arranged on one side of the stirring frame (9), a plurality of stirring blades (36) are connected with the inner wall of the stirring frame (9) in a rotating mode, the stirring blades (36) are obliquely arranged, torsion springs (37) are sleeved on rotating shafts of the stirring blades (36), third gears (38) are fixedly connected to the middle positions of the stirring blades (36) in a one-to-one mode, third rack rods (41) corresponding to and meshed with the third gears (38) are fixedly connected to the lifting rods (40), lifting rods (40) are respectively connected with one side of the L-shaped rods (42), wedge-shaped blocks (45) are fixedly connected between the lifting rods (40) and the lifting blocks (44), the second wedge blocks (45) are all connected with the stirring frame (9) on one side of the second wedge blocks in a sliding mode in the horizontal direction, inclined rods (46) are all connected with the top ends of the second wedge blocks in a rotating mode, connecting pieces (47) are all connected with the top ends of the inclined rods (46) in a rotating mode, and the connecting pieces (47) are all connected with the bottom of the annular plate (12) in a rotating mode.
4. The graphene composite lithium vanadium phosphate cathode material synthesis device according to claim 3, wherein: the top end of the L-shaped rod (42) is rotationally connected with a roller, and the bottom of the compression rod (15) is rotationally connected with a ball.
5. The graphene composite lithium vanadium phosphate cathode material synthesis device according to claim 1, wherein: the damping group comprises a plurality of damping blocks (49), the damping blocks (49) are respectively and fixedly connected to the end parts of the supporting plate (14), and the damping blocks (49) are respectively and slidably connected with the inner wall of the cover body (2).
6. The graphene composite lithium vanadium phosphate cathode material synthesis device according to claim 1, wherein: the damping group comprises a plurality of seventh springs (50) and abutting blocks (39), the abutting blocks (39) are all in sliding connection with the supporting plate (14) in the horizontal direction, the seventh springs (50) are all fixedly connected between the abutting blocks (39) and the supporting plate (14), and the abutting blocks (39) are all in sliding connection with the cover body (2) in the vertical direction.
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