Lithium battery homogenizing device convenient for sampling

Abstract

The utility model discloses a lithium battery homogenizing device convenient for sampling. The lithium battery homogenizing device comprises a shell, a stirring rod, a connecting rod and a sampling assembly, a first motor is arranged in the middle of the upper surface of the shell, the output end of the first motor vertically extends downwards into the shell and is in coaxial linkage with the upper end of a vertically-arranged stirring shaft through a coupler, the lower end of the stirring shaft is rotationally connected with the inner bottom face of the shell, and a plurality of stirring layers are sequentially arranged on the stirring shaft from top to bottom at intervals. A plurality of stirring rods are uniformly distributed in each stirring layer at intervals in the circumferential direction of the stirring layer, so that the slurry is homogenized through the rotation of the stirring rods; a connecting rod is vertically arranged close to the left side of the upper surface of the shell, the connecting rod moves vertically up and down and horizontally and transversely through an adjusting mechanism, a sampling assembly is movably mounted at the lower end of the connecting rod, and then homogenate sampling is carried out at different height positions in the shell through the sampling assembly. According to the utility model, composite mixing of pulse airflow and rotary stirring is realized, and the homogenizing efficiency and the homogenizing effect are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to a lithium battery homogenizing device which is convenient for sampling. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as the negative electrode material and a non-aqueous electrolyte solution. Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium-ion batteries. Due to the wide application of lithium-ion batteries, lithium-ion batteries are referred to as lithium batteries. In the production process of lithium batteries, the configuration of the negative electrode slurry accounts for a large proportion. In the preparation process of the negative electrode slurry, a variety of negative electrode raw materials need to be mixed and stirred. The traditional negative electrode raw material homogenization device has a simple structure and a single stirring motion, which makes the stirring and mixing rate low and the effect is poor. In addition, the existing homogenization sampling method is single-point sampling, which makes it impossible to accurately test the homogenization state, thereby affecting production efficiency. Therefore, the above problems need to be solved urgently. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a lithium battery homogenizing device which is easy to sample. Through the coordinated use of a first motor, a coupling, a stirring shaft, a stirring rod and a pulsed airflow, a composite mixing of pulsed airflow and rotary stirring is achieved, thereby improving the homogenizing efficiency and the homogenizing effect.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: the utility model is a lithium battery homogenizing device which is convenient for sampling, and its innovation lies in: comprising a shell, a first motor, a coupling, a stirring shaft, a stirring rod, an adjusting mechanism, a connecting rod and a sampling assembly; the shell is a vertically arranged hollow cylindrical structure, and a first motor is also vertically arranged in the middle position of its upper surface, the output end of the first motor extends vertically downward to the interior of the shell, and is coaxially linked with the upper end of the vertically arranged stirring shaft through a coupling, the lower end of the stirring shaft is rotatably connected to the middle position of the inner bottom surface of the shell, and a plurality of stirring shafts are horizontally arranged in sequence from top to bottom on the outer circumferential surface of the stirring shaft. A mixing layer is provided, and in each of the mixing layers, a plurality of stirring rods are evenly and spaced horizontally along the circumferential direction thereof, the length of each layer of the stirring rods gradually increases from top to bottom, and one end thereof is fixedly connected to the stirring shaft, and the other end thereof is arranged without interfering with the inner wall of the shell, and then, driven by the first motor, the stirring rod rotates with the stirring shaft to homogenize the raw materials in the shell; a connecting rod is vertically provided on the left side of the upper surface of the shell, and the connecting rod moves vertically up and down and horizontally through an adjusting mechanism without interfering with the movement of the stirring rod, and a sampling component is movably installed at the lower end thereof, and then the homogenization sampling is performed at different height positions in the shell through the sampling component.

[0005] Preferably, the connecting rod matches the sampling assembly, and a through hole is vertically embedded in the upper surface of the shell at a left position relative to the left side of the lowest layer of the left connecting rod. The through hole matches the connecting rod and is connected to the interior of the shell. Then, under the drive of the adjustment mechanism, the connecting rod is vertically inserted downward into the interior of the shell through the through hole, thereby ensuring that when the sampling assembly performs homogenization sampling, it does not interfere with the homogenization action of the stirring rod.

[0006] Preferably, a cleaning cotton matching the connecting rod is coaxially sleeved and fixed in the through hole of the shell, and the connecting rod is vertically inserted downward into the interior of the shell through the cleaning cotton, so that during the rising process of the connecting rod, the surface of the connecting rod and the sampling assembly is cleaned by the cleaning cotton.

[0007] Preferably, a feed pipe is obliquely embedded and connected in the middle lower position of the right outer wall of the shell, and the lower end of the feed pipe extends obliquely downward to the interior of the shell without interfering with the homogenization operation of the stirring rod, so that raw materials are added to the interior of the shell through the feed pipe; a sealing cover matching it is horizontally sleeved on the upper end of the feed pipe, and the two are sealed and screwed.

[0008] Preferably, it also includes an air supply pipe; a main air hole I is coaxially embedded in the stirring shaft along its length direction, and the lower end of the main air hole I extends vertically downward to the corresponding position on the inner bottom surface of the shell; an air supply pipe is also horizontally and transversely arranged on the right outer side wall of the shell relative to the position between its inner bottom surface and the lower surface, and the right end of the air supply pipe is sealed and connected with a pulse airflow source, and the left end of the air supply pipe is horizontally and transversely embedded in the bottom of the shell relative to the position between its inner bottom surface and the lower surface, and vertically extends upward to the inner bottom surface of the shell at a position relative to the main air hole I, and is sealed and connected with the main air hole I, thereby introducing a pulse airflow into the main air hole I, and ensuring that the rotation of the stirring shaft is not affected Interference is generated; a main air hole II is horizontally embedded in the middle position of each stirring rod along its length direction, and the end of each main air hole II away from the stirring shaft does not extend the corresponding stirring rod, and the end close to the stirring shaft extends horizontally and vertically into the stirring shaft and is respectively connected with the main air hole I; in each stirring rod, a number of exhaust holes are vertically embedded in the upper and lower sides of the main air hole II along its length direction at intervals, one end of each exhaust hole is respectively connected with the corresponding main air hole II, and the other end thereof is respectively vertically extended from the corresponding stirring rod, and then pulse airflow is ejected through the exhaust hole, and the raw materials in the shell are compound mixed in coordination with the rotating stirring of the stirring rod.

[0009] Preferably, the adjusting mechanism comprises an I-beam, a frame, a second motor, a gear, a rack, a rotating shaft and a roller; an I-beam is vertically symmetrically arranged at intervals in front and back on the left side of the shell, and the upper ends of the two I-beams extend vertically upward out of the horizontal plane where the upper surface of the shell is located; racks are vertically symmetrically welded along the length direction on both sides of the inner bottom surface of each I-beam close to the shell, and the four racks are arranged in front and back alignment, and the tooth surface of each rack is arranged in the direction away from the shell; a U-shaped frame matching it is also provided on each I-beam close to the shell side, and the opening groove of each frame is arranged in the vertical downward direction, the two frames are aligned and spaced in front and back, and their two open ends are folded inwardly and are respectively and spaced apart on the corresponding end of the I-beam close to the shell; on the front and rear sides of each frame The outer side surface is also symmetrically provided with second motors in the horizontal and longitudinal directions, and the actions of all the second motors are synchronized; the output end of each second motor extends horizontally and vertically to the inside of the corresponding frame, and is respectively meshed and connected with the corresponding rack through gears, and then, driven by the second motor, each frame makes vertical reciprocating motion up and down along the corresponding I-beam through the meshing cooperation of the gears and the racks; rollers are also symmetrically provided in a rectangular shape between the inner bottom surface of each frame close to the shell side and the corresponding I-beam, and the rolling direction of each roller is consistent with the length direction of the corresponding I-beam, and is respectively rotatably connected to the corresponding side surface of the corresponding frame through a rotating shaft, and is respectively rollingly fitted with the corresponding I-beam and the inner bottom surface of the corresponding frame close to the shell side, thereby ensuring the stability of the vertical reciprocating motion of the frame.

[0010] Preferably, it also includes a fixed plate and an electric push rod; a fixed plate is vertically and longitudinally fixed on the outer bottom surface of the two frames close to the shell side, and an electric push rod is horizontally and transversely provided in the middle position of the side of the fixed plate away from the shell, the pushing end of the electric push rod horizontally and transversely extends out of the side of the fixed plate close to the shell, and is fixedly connected to the upper end of the connecting rod, thereby driving the connecting rod to perform horizontal and transverse reciprocating motion, and driving the connecting rod to perform vertical and upward reciprocating motion along with the frame.

[0011] Preferably, the pushing end of the electric push rod is extended to the limit position to ensure that the connecting rod can be horizontally moved to just above the through hole and aligned, and then, under the drive of the second motor, the sampling assembly is inserted into the interior of the shell through the cleaning cotton to perform homogenization sampling; the pushing end of the electric push rod is retracted to the limit position to ensure that the connecting rod can be horizontally moved to the left to the left side of the shell, and then, under the drive of the second motor, the connecting rod descends, so that the staff can disassemble the sampling assembly outside the shell.

[0012] Preferably, the length of the connecting rod needs to ensure that when the sampling assembly is performing homogenization sampling on the bottom surface of the shell, the upper end of the connecting rod is still located directly above the upper surface of the shell; the upper end position of each I-beam and rack needs to ensure that when the connecting rod rises to the upper limit position with the frame, the sampling assembly is pulled out of the shell through the through hole, thereby facilitating horizontal movement to the left under the drive of the electric push rod.

[0013] Beneficial effects of the utility model:

[0014] (1) The utility model realizes the composite mixing of pulse airflow and rotary stirring by using the first motor, the coupling, the stirring shaft, the stirring rod and the pulse airflow, thereby improving the homogenization efficiency and the homogenization effect;

[0015] (2) The utility model facilitates the sampling of slurry at different heights of the sampling assembly in the shell by using the adjustment mechanism and the connecting rod, thereby improving the accuracy of the slurry state test and improving the production efficiency;

[0016] (3) The utility model provides cleaning cotton, which facilitates wiping liquid from the surface of the connecting rod and the sampling assembly by the cleaning cotton during the ascending process of the connecting rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 The utility model is a schematic structural diagram of a lithium battery homogenizing device which is convenient for sampling.

[0019] Figure 2 for Figure 1 Top view of the .

[0020] Figure 3 for Figure 1 Enlarged schematic diagram of part A.

[0021] Figure 4 for Figure 2 Enlarged schematic diagram of the middle adjustment mechanism.

[0022] Among them, 1-shell; 2-first motor; 3-coupling; 4-stirring shaft; 5-stirring rod; 6-air pipe; 7-main air hole I; 8-main air hole II; 9-exhaust hole; 10-feed pipe; 11-sealing cover; 12-I-beam; 13-frame; 14-rack; 15-roller; 16-second motor; 17-gear; 18-rotating shaft; 19-fixed plate; 20-electric push rod; 21-connecting rod; 22-sampling component; 23-cleaning cotton. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be clearly and completely described below through specific implementation methods.

[0024] The utility model discloses a lithium battery homogenizing device for convenient sampling, comprising a housing 1, a first motor 2, a coupling 3, a stirring shaft 4, a stirring rod 5, an adjustment mechanism, a connecting rod 21 and a sampling assembly 22; the specific structure is as follows Figures 1 to 4 As shown, the shell 1 is a vertically arranged hollow cylindrical structure, and a first motor 2 is vertically arranged in the middle position of its upper surface, the output end of the first motor 2 extends vertically downward to the interior of the shell 1, and is coaxially linked to the upper end of the vertically arranged stirring shaft 4 through a coupling 3, the lower end of the stirring shaft 4 is rotatably connected to the middle position of the inner bottom surface of the shell 1, and a number of stirring layers are horizontally arranged in sequence from top to bottom on the outer circumferential surface of the stirring shaft 4, and a number of stirring rods 5 are evenly spaced horizontally arranged in each stirring layer along the circumferential direction, the length of each layer of stirring rods 5 gradually increases from top to bottom, and one end thereof is fixedly connected to the stirring shaft 4, and the other end thereof is arranged without interfering with the inner wall of the shell 1, and then driven by the first motor 2, the stirring rod 5 rotates with the stirring shaft 4 to homogenize the raw materials in the shell 1.

[0025] like Figure 1 As shown, a feed pipe 10 is obliquely embedded and connected in the lower middle position of the right outer wall of the shell 1. The lower end of the feed pipe 10 extends obliquely downward to the interior of the shell 1 and does not interfere with the homogenization operation of the stirring rod 5. Raw materials are then added to the interior of the shell 1 through the feed pipe 10; a sealing cover 11 matching it is horizontally sleeved on the upper end of the feed pipe, and the two are sealed and screwed.

[0026] The utility model also has a main air hole Ⅰ7 coaxially embedded in the stirring shaft 4 along its length direction, and the lower end of the main air hole Ⅰ7 extends vertically downward to the corresponding position on the inner bottom surface of the shell 1; Figure 1As shown, an air delivery pipe 6 is horizontally and transversely arranged on the right outer side wall of the shell 1 between its inner bottom surface and the lower surface, and the right end of the air delivery pipe 6 is sealed and connected with the pulse air flow source, and the left end of the air delivery pipe 6 is horizontally and transversely embedded in the bottom of the shell 1 between its inner bottom surface and the lower surface, and vertically extends upward to the inner bottom surface of the shell 1 at a position relative to the main air hole Ⅰ7, and is sealed and connected with the main air hole Ⅰ7, thereby introducing a pulse air flow into the main air hole Ⅰ7, and ensuring that there is no interference with the rotation of the stirring shaft 4; a main air hole Ⅱ is horizontally embedded in the middle position of each stirring rod 5 along its length direction. 8. The end of each main air hole II 8 away from the stirring shaft 4 does not extend out the corresponding stirring rod 5, and the end close to the stirring shaft 4 extends horizontally and vertically into the stirring shaft 4 and is respectively connected with the main air hole I 7; in each stirring rod 5, a plurality of exhaust holes 9 are vertically embedded and opened in sequence along the length direction relative to the upper and lower sides of the main air hole II 8, one end of each exhaust hole 9 is respectively connected with the corresponding main air hole II 8, and the other end thereof vertically extends out the corresponding stirring rod 5, and then pulse airflow is ejected through the exhaust hole 9, and the raw materials in the shell 1 are compound mixed in coordination with the rotating stirring of the stirring rod 5.

[0027] The utility model also vertically provides a connecting rod 21 on the left side of the upper surface of the shell 1. The connecting rod 21 can move vertically up and down and horizontally through the adjustment mechanism without interfering with the movement of the stirring rod 5. A sampling assembly 22 is also movably installed at its lower end, and the sampling assembly 22 can be used to perform homogenization sampling at different height positions in the shell 1. Figure 1 , Figure 2 As shown, the connecting rod 21 matches the sampling assembly 22, and a through hole is vertically embedded in the upper surface of the shell 1 at the left side of the connecting rod 21 on the left side relative to the bottom layer. The through hole matches the connecting rod 21 and is connected to the interior of the shell 1. Then, under the drive of the adjustment mechanism, the connecting rod 21 is vertically inserted downward into the interior of the shell 1 through the through hole, thereby ensuring that when the sampling assembly 22 performs homogenization sampling, it does not interfere with the homogenization action of the stirring rod 5.

[0028] like Figure 1 , Figure 2 As shown, a cleaning cotton 23 matching the connecting rod 21 is coaxially sleeved and fixed in the through hole of the shell 1, and the connecting rod 21 is vertically inserted downward into the interior of the shell 1 through the cleaning cotton 23, and then during the rising process of the connecting rod 21, the surface of the connecting rod 21 and the sampling component 22 is cleaned by the cleaning cotton 23.

[0029] The utility model adjustment mechanism includes an I-beam 12, a frame 13, a second motor 16, a gear 17, a rack 14, a rotating shaft 18, a roller 15, a fixing plate 19 and an electric push rod 20; Figures 1 to 4As shown, on the left side of the shell 1, I-beams 12 are vertically symmetrically arranged at intervals in front and back, and the upper ends of the two I-beams 12 extend vertically upward out of the horizontal plane where the upper surface of the shell 1 is located; racks 14 are vertically symmetrically welded along the length direction of the inner bottom surface of each I-beam 12 close to the shell 1 on both sides, and the four racks 14 are arranged in a front-to-back alignment, and the tooth surface of each rack 14 is arranged in a direction away from the shell 1; on each I-beam 12, a U-shaped frame 13 matching it is also provided on the side close to the shell 1, and the opening groove of each frame 13 is arranged in a vertical downward direction, and the two frames 13 are arranged in an aligned front-to-back spacing, and the two open ends thereof are folded inwards, and are respectively sleeved on the end of the corresponding I-beam 12 close to the shell 1 at intervals;

[0030] like Figures 1 to 4 As shown, second motors 16 are also horizontally and longitudinally symmetrically provided on the front and rear outer sides of each frame 13, and the actions of all second motors 16 are synchronized; the output ends of each second motor 16 extend horizontally and vertically to the inside of the corresponding frame 13, and are respectively meshed and connected with the corresponding rack 14 through gears 17, and then, under the drive of the second motor 16, through the meshing cooperation of the gears 17 and the rack 14, each frame 13 performs vertical up and down reciprocating motion along the corresponding I-beam 12; rollers 15 are also rectangularly and horizontally symmetrically provided between the inner bottom surface of each frame 13 close to the shell 1 and the corresponding I-beam 12, and the rolling direction of each roller 15 is consistent with the length direction of the corresponding I-beam 12, and are respectively rotatably connected to the corresponding side of the corresponding frame 13 through the rotating shaft 18, and are respectively rollingly fitted with the corresponding I-beam 12 and the inner bottom surface of the corresponding frame 13 close to the shell 1, thereby ensuring the stability of the vertical up and down reciprocating motion of the frame 13.

[0031] like Figures 1 to 4 As shown, a fixing plate 19 is also fixedly provided vertically and longitudinally on the outer bottom surface of the two frames 13 near the shell 1, and an electric push rod 20 is also provided horizontally and transversely in the middle position of the side of the fixing plate 19 away from the shell 1. The pushing end of the electric push rod 20 horizontally and transversely extends out of the side of the fixing plate 19 near the shell 1, and is fixedly connected to the upper end of the connecting rod 21, thereby driving the connecting rod 21 to make horizontal and transverse reciprocating motions, and driving the connecting rod 21 to make vertical and downward reciprocating motions along with the frame 13. Among them, the pushing end of the electric push rod 20 extends to the limit position to ensure that the connecting rod 21 can be horizontally moved to the top of the through hole and aligned, and then under the drive of the second motor 16, the sampling assembly 22 is inserted into the shell 1 through the cleaning cotton 23 for homogenization sampling; the pushing end of the electric push rod 20 retracts to the limit position to ensure that the connecting rod 21 can be horizontally and transversely moved to the left to the left side of the shell 1, and then under the drive of the second motor 16, the connecting rod 21 descends, so that the staff can disassemble the sampling assembly 22 outside the shell 1.

[0032] like Figures 1 to 4 As shown, the length of the connecting rod 21 needs to ensure that when the sampling assembly 22 performs homogenization sampling on the bottom surface of the shell 1, the upper end of the connecting rod 21 is still located directly above the upper surface of the shell 1; the upper end position of each I-beam 12 and the rack 14 needs to ensure that when the connecting rod 21 rises to the upper limit position with the frame 13, the sampling assembly 22 is pulled out of the shell 1 through the through hole, thereby facilitating horizontal movement to the left under the drive of the electric push rod 20.

[0033] The working principle of the utility model is as follows: firstly, graphite powder and conductive agent are added into the housing 1 through the feed pipe 10, and they are compound mixed by the cooperation of pulse airflow and rotation stirring of the stirring rod 5; then, adhesive and glue are added into the housing 1 through the feed pipe 10, and they are compound mixed by the cooperation of pulse airflow and rotation stirring of the stirring rod 5, so as to obtain the negative electrode slurry of lithium battery;

[0034] When homogenization sampling is required, the connecting rod 21 is first aligned with the through hole under the drive of the electric push rod 20, and then the sampling assembly 22 moves vertically downward with the connecting rod 21 under the drive of the second motor 16, and is inserted into the housing 1 through the cleaning cotton 23, so that homogenization sampling can be performed at different height positions in the housing 1;

[0035] After the sampling is completed, the sampling component 22 first moves vertically upward along with the connecting rod 21 under the drive of the second motor 16, and is pulled out of the shell 1 through the cleaning cotton 23, and then retracts to the left side of the shell 1 under the drive of the electric push rod 20, and then moves vertically downward along with the connecting rod 21 under the drive of the second motor 16, thereby facilitating the staff to disassemble the sampling component 22.

[0036] Beneficial effects of the utility model:

[0037] (1) The utility model realizes the composite mixing of pulse airflow and rotary stirring by using the first motor 2, the coupling 3, the stirring shaft 4, the stirring rod 5 and the pulse airflow in coordination, thereby improving the homogenization efficiency and the homogenization effect;

[0038] (2) The utility model facilitates the sampling assembly 22 to perform homogenization sampling at different height positions in the housing 1 through the coordinated use of the adjustment mechanism and the connecting rod 21, thereby improving the accuracy of the homogenization state test and improving production efficiency;

[0039] (3) The utility model provides the cleaning cotton 23 so that the surfaces of the connecting rod 21 and the sampling assembly 22 can be wiped clean of liquid by the cleaning cotton 23 during the ascending process of the connecting rod 21 .

[0040] The embodiments described above are merely descriptions of preferred implementation modes of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field should fall within the protection scope of the present invention. The technical contents for which protection is sought in the present invention have been fully recorded in the technical requirements.

Claims

1. A lithium battery homogenization device convenient for sampling, characterized in that: The invention comprises a shell, a first motor, a coupling, a stirring shaft, a stirring rod, an adjusting mechanism, a connecting rod and a sampling assembly; the shell is a vertically arranged hollow cylindrical structure, and a first motor is also vertically arranged in the middle position of its upper surface, the output end of the first motor vertically extends downward to the interior of the shell, and is coaxially linked with the upper end of the vertically arranged stirring shaft through a coupling, the lower end of the stirring shaft is rotatably connected with the middle position of the inner bottom surface of the shell, and a plurality of stirring layers are horizontally arranged in sequence from top to bottom on the outer circumferential surface of the stirring shaft, and in each stirring layer, the stirring layers are evenly spaced along the circumferential direction thereof. Several stirring rods are arranged horizontally, and the length of each layer of stirring rods gradually increases from top to bottom, and one end of each stirring rod is fixedly connected to the stirring shaft, and the other end of each stirring rod is arranged without interfering with the inner wall of the shell, and then driven by the first motor, the stirring rod rotates with the stirring shaft to homogenize the raw materials in the shell; a connecting rod is also vertically arranged on the left side of the upper surface of the shell, and the connecting rod moves vertically up and down and horizontally through an adjustment mechanism without interfering with the movement of the stirring rod, and a sampling component is also movably installed at the lower end thereof, and then the homogenization sampling is performed at different height positions in the shell through the sampling component.

2. A lithium battery homogenization device for easy sampling according to claim 1, characterized in that: The connecting rod matches the sampling assembly, and a through hole is vertically embedded in the upper surface of the shell at the left side of the leftmost connecting rod relative to the bottom layer. The through hole matches the connecting rod and is connected to the interior of the shell. Then, under the drive of the adjustment mechanism, the connecting rod is vertically inserted downward into the interior of the shell through the through hole, thereby ensuring that when the sampling assembly performs homogenization sampling, it does not interfere with the homogenization action of the stirring rod.

3. A lithium battery homogenizing device for easy sampling according to claim 2, characterized in that: A cleaning cotton matching the connecting rod is coaxially sleeved and fixed in the through hole of the shell, and the connecting rod is vertically inserted downward into the interior of the shell through the cleaning cotton. During the rising process of the connecting rod, the surface of the connecting rod and the sampling assembly is cleaned by the cleaning cotton.

4. A lithium battery homogenization device for easy sampling according to claim 1, characterized in that: A feed pipe is obliquely embedded and connected in the middle lower position of the right outer wall of the shell. The lower end of the feed pipe extends obliquely downward to the interior of the shell and does not interfere with the homogenization operation of the stirring rod. Raw materials are then added to the shell through the feed pipe. A sealing cover matching the feed pipe is horizontally sleeved on the upper end of the feed pipe, and the two are sealed and screwed.

5. A lithium battery homogenizing device for easy sampling according to claim 1, characterized in that: It also includes an air supply pipe; a main air hole I is coaxially embedded in the stirring shaft along its length direction, and the lower end of the main air hole I extends vertically downward to the corresponding position on the inner bottom surface of the shell; an air supply pipe is horizontally and transversely arranged on the right outer side wall of the shell relative to the position between its inner bottom surface and the lower surface, and the right end of the air supply pipe is sealed and connected with a pulse airflow source, and the left end of the air supply pipe is horizontally and transversely embedded in the bottom of the shell relative to the position between its inner bottom surface and the lower surface, and vertically extends upward to the inner bottom surface of the shell at a position relative to the main air hole I, and is sealed and connected with the main air hole I, so as to introduce a pulse airflow into the main air hole I, and ensure that the rotation of the stirring shaft is not affected. Interference; a main air hole II is horizontally embedded in the middle position of each stirring rod along its length direction, and the end of each main air hole II away from the stirring shaft does not extend the corresponding stirring rod, and the end close to the stirring shaft extends horizontally and vertically into the stirring shaft and is respectively connected with the main air hole I; in each stirring rod, a number of exhaust holes are vertically embedded in the upper and lower sides of the main air hole II along its length direction at intervals, one end of each exhaust hole is respectively connected with the corresponding main air hole II, and the other end thereof is respectively vertically extended from the corresponding stirring rod, and then pulse airflow is ejected through the exhaust hole, and the raw materials in the shell are compound mixed in coordination with the rotating stirring of the stirring rod.

6. A lithium battery homogenizing device for easy sampling according to claim 2, characterized in that: The adjusting mechanism comprises an I-beam, a frame, a second motor, a gear, a rack, a rotating shaft and a roller; an I-beam is vertically symmetrically arranged at intervals in front and back on the left side of the shell, and the upper ends of the two I-beams extend vertically upward out of the horizontal plane where the upper surface of the shell is located; racks are vertically symmetrically welded along the length direction on both sides of the inner bottom surface of each I-beam close to the shell, and the four racks are arranged in front and back alignment, and the tooth surface of each rack is arranged in the direction away from the shell; a U-shaped frame matching it is also provided on each I-beam close to the shell side, and the opening groove of each frame is arranged in the vertical downward direction, the two frames are aligned and spaced in front and back, and their two open ends are folded inwardly and are respectively sleeved on the corresponding end of the I-beam close to the shell; on the front and rear outer sides of each frame The surface is also symmetrically provided with second motors in the horizontal and longitudinal directions, and the actions of all the second motors are synchronized; the output ends of each of the second motors extend horizontally and vertically to the interior of the corresponding frame, and are respectively meshed and connected with the corresponding racks through gears, and then, driven by the second motor, each frame makes vertical reciprocating motion along the corresponding I-beam through the meshing cooperation of the gears and the racks; rollers are also symmetrically provided in a rectangular shape between the inner bottom surface of each frame close to the shell side and the corresponding I-beam, and the rolling direction of each roller is consistent with the length direction of the corresponding I-beam, and are respectively rotatably connected to the corresponding side surface of the corresponding frame through a rotating shaft, and are respectively rollingly fitted with the corresponding I-beam and the inner bottom surface of the corresponding frame close to the shell side, thereby ensuring the stability of the vertical reciprocating motion of the frame.

7. A lithium battery homogenizing device for easy sampling according to claim 6, characterized in that: It also includes a fixing plate and an electric push rod; a fixing plate is vertically and longitudinally fixed on the outer bottom surface of the two frames close to the shell side, and an electric push rod is horizontally and transversely provided in the middle position of the side of the fixing plate away from the shell, the pushing end of the electric push rod horizontally and transversely extends out of the side of the fixing plate close to the shell, and is fixedly connected to the upper end of the connecting rod, thereby driving the connecting rod to perform horizontal and transverse reciprocating motion, and driving the connecting rod to perform vertical and upward reciprocating motion along with the frame.

8. A lithium battery homogenizing device for easy sampling according to claim 7, characterized in that: When the pushing end of the electric push rod is extended to the limit position, it is necessary to ensure that the connecting rod can be horizontally moved to just above the through hole and aligned, and then, under the drive of the second motor, the sampling assembly is inserted into the shell through the cleaning cotton to perform homogenization sampling; when the pushing end of the electric push rod is retracted to the limit position, it is necessary to ensure that the connecting rod can be horizontally moved to the left to the left side of the shell, and then, under the drive of the second motor, the connecting rod descends, so that the staff can disassemble the sampling assembly outside the shell.

9. A lithium battery homogenizing device for easy sampling according to claim 8, characterized in that: The length of the connecting rod needs to ensure that when the sampling assembly is performing homogenization sampling on the bottom surface of the shell, the upper end of the connecting rod is still located directly above the upper surface of the shell; the upper end position of each I-beam and rack needs to ensure that when the connecting rod rises to the upper limit position with the frame, the sampling assembly is pulled out of the shell through the through hole, thereby facilitating horizontal movement to the left under the drive of the electric push rod.

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