Lithium battery positive and negative electrode high-solid-content slurry stirring method

Abstract

The invention discloses a lithium battery positive and negative electrode high-solid-content slurry stirring method, and relates to the technical field of lithium battery slurry stirring, the lithium battery positive and negative electrode high-solid-content slurry stirring method is realized through lithium battery positive and negative electrode high-solid-content slurry stirring equipment, and the lithium battery positive and negative electrode high-solid-content slurry stirring equipment comprises a stirring cylinder, the bottom of the outer side of the stirring barrel is fixedly sleeved with a transfer shell, the inner sides of the stirring barrel and the transfer shell are jointly provided with a driving mechanism, the outer side of the driving mechanism is sequentially provided with a stirring mechanism, a separating and plugging mechanism and a rapid discharging mechanism from top to bottom, and the interior of the stirring barrel is divided into an upper cavity and a lower cavity by the separating and plugging mechanism. The feeding and discharging speed can be effectively increased, the problem of overlong shutdown time caused by feeding and discharging is further avoided, the preparation efficiency of the high-solid-content slurry is effectively improved, and the high-solid-content slurry preparation device is more suitable for industrial production of the high-solid-content slurry.

Description

Technical Field

[0001] The invention relates to the technical field of lithium battery slurry stirring, and in particular to a method for stirring high-solid content slurry of positive and negative electrodes of a lithium battery. Background Art

[0002] In the production process of lithium batteries, the stirring of positive and negative electrode slurries is the basis for determining the subsequent processes. At present, the solid content of positive electrode slurry is generally not higher than 70%-75%. Since the slurry easily absorbs water from the air and has strict requirements on the water content in the slurry, it is necessary to strictly control the environment during the slurry stirring process so that the preparation of lithium battery slurry can meet the production and use requirements.

[0003] The invention patent with authorization announcement number CN 112138562 B discloses a method for stirring high-solid content slurry of positive and negative electrodes of lithium batteries, comprising the following steps: S1. Adjusting the environment in the stirring tank; S2. Stirring: The slurry is added to the stirring tank body from the feed inlet, and the slurry in the stirring tank body is stirred by the horizontal stirring mechanism. During the stirring process, the environment in the stirring tank body is monitored and adjusted; S3. Discharging: After the stirring is completed, the slurry is discharged from the discharge port of the stirring tank body. The invention can realize rapid and controllable control of the environment in the stirring tank body before and during the stirring of the battery slurry. The invention is suitable for use in the stirring of high-solid content slurry of positive and negative electrodes of lithium batteries, and is used to monitor and control the stirring environment in the stirring tank body.

[0004] However, after actual application by technicians skilled in the art, it was found that the above stirring method still has some shortcomings. The most obvious one is that since the solid content of the finished slurry obtained after stirring is relatively high, it takes a long time to complete the slurry discharging operation when the high-solid content slurry finished product is discharged through the discharge port after stirring. During this process, the stirring equipment needs to be kept in a stopped waiting state, which results in a long downtime of the stirring equipment, which in turn has a great impact on the overall preparation efficiency of the high-solid content slurry, and cannot be effectively applied to the industrial production of high-solid content slurry.

[0005] Therefore, it is necessary to invent a method for stirring high solid content slurry of positive and negative electrodes of lithium batteries to solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to provide a method for stirring a high-solid content slurry of positive and negative electrodes of a lithium battery to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a method for stirring a high-solid content slurry of a positive and negative electrode of a lithium battery, the method for stirring a high-solid content slurry of a positive and negative electrode of a lithium battery is realized by a high-solid content slurry stirring device for a positive and negative electrode of a lithium battery, the high-solid content slurry stirring device for a positive and negative electrode of a lithium battery comprises a stirring drum, a transport shell is fixedly sleeved on the bottom of the outer side of the stirring drum, a driving mechanism is jointly arranged on the inner side of the stirring drum and the transport shell, a stirring mechanism, a partitioning and blocking mechanism and a rapid discharge mechanism are arranged on the outer side of the driving mechanism from top to bottom in sequence, the partitioning and blocking mechanism divides the interior of the stirring drum into an upper chamber and a lower chamber, and a trigger-type locking mechanism is arranged inside the driving mechanism; The driving mechanism includes a reciprocating screw, a driving motor, a lifting plate, a guide rod and a lifting sleeve; The reciprocating screw is rotatably nested in the center of the bottom of the inner cavity of the transfer shell through a bearing, the drive motor is transmission-connected with the reciprocating screw, the lifting plate is transmission-sleeved on the outside of the reciprocating screw, the guide rod slides through the lifting plate and is fixedly connected to the inner wall of the transfer shell, and the lifting sleeve is fixedly arranged at the bottom of the lifting plate and sleeved on the outside of the reciprocating screw; The stirring mechanism comprises a top plate, a rotating plate, a gear ring, a stirring rod and an internal gear; The top plate is fixedly arranged on the top of the mixing drum, the rotating plate is fixedly sleeved on the outside of the reciprocating screw and is rotatably arranged on the top of the inner side of the mixing drum through a bearing, the gear ring is fixedly arranged on the bottom of the top plate, the stirring rod passes through the rotating plate and is rotatably connected to the rotating plate through a bearing, and the internal gear is fixedly arranged on the top of the stirring rod and meshes with the gear ring.

[0008] Preferably, the separation and sealing mechanism comprises an annular separation bucket, a sealing column, a limiting ring, a movable sleeve and a first T-shaped rod.

[0009] Preferably, the annular dividing bucket is slidably sleeved on the outside of the stirring rod and is rotatably connected to the inner wall of the stirring drum through a bearing, the blocking column is slidably arranged on the inside of the annular dividing bucket along the vertical direction, the limiting ring is fixedly sleeved in the middle of the outer side of the blocking column, the movable sleeve is rotatably nested in the top of the blocking column through a bearing, and the first T-shaped rod is slidably nested in the reciprocating screw along the vertical direction and is fixedly connected to the movable sleeve.

[0010] Preferably, the quick discharge mechanism comprises a discharge plate, a locking groove, a connecting plate, a first spring, a blocking sleeve and an annular guide plate.

[0011] Preferably, the discharge plate is slidably nested along the vertical direction on the outside of the reciprocating screw, the locking groove is opened on the inner side of the discharge plate, the connecting plate is rotatably arranged at the bottom of the discharge plate through a bearing, the first spring is located between the connecting plate and the lifting plate, the blocking sleeve is fixedly arranged on the outside of the bottom of the discharge plate, and the annular guide plate is slidably sleeved on the outside of the blocking sleeve and fixedly connected to the inner wall of the transfer shell.

[0012] Preferably, the trigger-type locking mechanism includes a second T-shaped rod, a lifting ring, a trigger plate, a locking pin and a second spring.

[0013] Preferably, the second T-shaped rod is slidably nested in the reciprocating screw along the vertical direction and fixedly connected to the lifting sleeve, the lifting ring is fixedly sleeved on the outside of the second T-shaped rod, the trigger plate is fixedly set at the bottom of the lifting ring, the locking pin is slidably penetrated inside the reciprocating screw and extends to the side of the reciprocating screw, and the second spring is fixedly connected between the inner wall of the reciprocating screw and the locking pin.

[0014] Preferably, the method specifically comprises the following steps: S1. Input slurry raw materials into the lower chamber. After the input of slurry raw materials into the lower chamber is completed, the input is stopped. The drive motor is started and the slurry raw materials are input into the upper chamber. After the drive motor is started, the reciprocating screw is driven to rotate continuously. When the reciprocating screw rotates, the rotating plate is driven to rotate continuously. When the rotating plate rotates, the stirring rod is driven to revolve around the reciprocating screw as the axis. At the same time, due to the setting of the gear ring and the internal gear, the stirring rod rotates while revolving, thereby achieving effective stirring of the slurry raw materials. S2. The reciprocating screw drives the lifting plate to continuously descend during its rotation. As the lifting plate descends, the lifting sleeve drives the second T-shaped rod to continuously descend. When the second T-shaped rod descends, the trigger plate is driven to continuously descend through the lifting ring. When the lifting plate descends to a first threshold, the trigger plate contacts the locking pin. Subsequently, as the lifting plate continues to descend, the trigger plate continuously pushes the locking pin, thereby gradually moving the locking pin out of the locking slot. S3, when the descending distance of the lifting plate reaches the second threshold, the locking pin moves out from the locking groove, thereby releasing the lock on the discharge plate. At this time, the discharge plate continues to descend along the reciprocating screw under the action of gravity until it is blocked by the annular guide plate. At this time, the discharge plate releases the seal on the bottom opening of the mixing drum, and the slurry products in the lower chamber continuously enter the transfer shell under the action of gravity. At the same time, during the discharging process, the discharge plate continues to rotate driven by the reciprocating screw, so that the slurry is discharged faster; S4, when the descending distance of the lifting plate reaches the third threshold, the lifting plate moves to the bottom of the reciprocating thread outside the reciprocating screw, and then as the reciprocating screw continues to rotate, the lifting plate continues to move upward, and the discharge plate is continuously pushed by the first spring and the connecting plate during the upward movement of the lifting plate; S5, when the lifting plate reaches the fourth threshold, the discharge plate contacts the locking pin. As the lifting plate continues to rise, the discharge plate continues to push the locking pin, so that the locking pin stretches the second spring. When the lifting plate reaches the fifth threshold, the top of the discharge plate contacts the bottom of the stirring rod, and the locking groove and the locking pin are in line. At this time, under the action of the second spring, the locking pin enters the inner side of the locking groove again to lock the discharge plate. Due to the obstruction of the stirring rod, the subsequent discharge plate cannot continue to rise. At this time, as the lifting plate continues to rise, the first spring is continuously compressed; S6, when the lifting plate reaches the sixth threshold, the top end of the second T-shaped rod contacts the bottom end of the first T-shaped rod, and subsequently, as the lifting plate rises, the second T-shaped rod drives the blocking column to continue to rise through the first T-shaped rod and the movable sleeve. When the lifting plate reaches the seventh threshold, the blocking column moves out from the inside of the annular separation bucket, thereby releasing the blockage of the annular separation bucket. At this time, the slurry raw materials to be stirred in the upper chamber quickly pass through the annular separation bucket and enter the lower chamber to wait for stirring; S7. When the lifting distance of the lifting plate reaches the eighth threshold, the lifting plate moves to the top of the reciprocating thread on the outside of the reciprocating screw. Subsequently, as the reciprocating screw continues to rotate, the lifting plate moves down and resets, thereby stirring the slurry raw material in the lower chamber again.

[0015] Technical effects and advantages of the present invention: The present invention is provided with a driving mechanism, a stirring mechanism, a separating and blocking mechanism, a quick discharging mechanism and a trigger-type locking mechanism, so that the driving mechanism can be used to synchronously drive the stirring mechanism and the trigger-type locking mechanism. After the stirring mechanism is driven, the preparation of the slurry product is realized. After the trigger-type locking mechanism is driven, the locking of the quick discharging mechanism is released, so that the quick discharging mechanism quickly releases the blocking of the stirring drum to realize the rapid output of the slurry. Subsequently, with the continuous movement of the driving mechanism, the driving mechanism drives the quick discharging mechanism to reset and triggers the separating and blocking mechanism at the same time, so as to realize the rapid addition of slurry raw materials. Compared with the same type of devices and methods in the prior art, the present invention can effectively improve the feeding and discharging speed, thereby avoiding the problem of excessive downtime caused by feeding and discharging, effectively improving the preparation efficiency of high-solid content slurry, and is more suitable for the industrial production of high-solid content slurry. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall front cross-sectional structure of the present invention.

[0017] Figure 2 It is a schematic diagram of the front cross-sectional structure of a part of the driving mechanism and the separation and blocking mechanism of the present invention.

[0018] Figure 3 It is a schematic diagram of the front cross-sectional structure of a part of the driving mechanism and the rapid discharging mechanism of the present invention.

[0019] Figure 4 It is a schematic diagram of the front cross-sectional structure of the stirring mechanism of the present invention.

[0020] Figure 5 It is a schematic diagram of the front cross-sectional structure of the trigger-type locking mechanism of the present invention.

[0021] In the figure: 1. mixing drum; 2. transfer shell; 3. driving mechanism; 31. reciprocating screw; 32. driving motor; 33. lifting plate; 34. guide rod; 35. lifting sleeve; 4. stirring mechanism; 41. top plate; 42. rotating plate; 43. gear ring; 44. stirring rod; 45. internal gear; 5. partitioning and blocking mechanism; 51. annular partition bucket; 52. blocking column; 53. limiting ring; 54. movable sleeve; 55. first T-bar; 6. fast discharging mechanism; 61. discharging plate; 62. locking groove; 63. connecting plate; 64. first spring; 65. blocking sleeve; 66. annular guide plate; 7. trigger locking mechanism; 71. second T-bar; 72. lifting ring; 73. trigger plate; 74. locking pin; 75. second spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Example 1

[0024] The present invention provides Figure 1-5 A method for stirring high-solid content slurry of positive and negative electrodes of a lithium battery is shown, and the method for stirring high-solid content slurry of positive and negative electrodes of a lithium battery is achieved by a high-solid content slurry stirring device for positive and negative electrodes of a lithium battery, and the high-solid content slurry stirring device for positive and negative electrodes of a lithium battery comprises a stirring drum 1, and a transfer shell 2 is fixedly sleeved on the bottom of the outer side of the stirring drum 1, and a driving mechanism 3 is jointly arranged on the inner side of the stirring drum 1 and the transfer shell 2, and a stirring mechanism 4, a partitioning and sealing mechanism 5 and a quick discharge mechanism 6 are arranged on the outer side of the driving mechanism 3 in sequence from top to bottom, and the partitioning and sealing mechanism 5 divides the interior of the stirring drum 1 into an upper chamber and a lower chamber, and a trigger-type locking mechanism 7 is arranged inside the driving mechanism 3.

[0025] like Figure 2 and Figure 3As shown, the driving mechanism 3 includes a reciprocating screw 31, a driving motor 32, a lifting plate 33, a guide rod 34 and a lifting sleeve 35, wherein the reciprocating screw 31 is rotatably nested in the bottom center of the inner cavity of the transfer shell 2 through a bearing, the driving motor 32 is transmission-connected to the reciprocating screw 31, the lifting plate 33 is transmission-sleeved on the outside of the reciprocating screw 31, the guide rod 34 slides through the lifting plate 33 and is fixedly connected to the inner wall of the transfer shell 2, and the lifting sleeve 35 is fixedly arranged at the bottom of the lifting plate 33 and is sleeved on the outside of the reciprocating screw 31.

[0026] like Figure 4 As shown, the stirring mechanism 4 includes a top plate 41, a rotating plate 42, a gear ring 43, a stirring rod 44 and an internal gear 45, wherein the top plate 41 is fixedly arranged on the top of the stirring drum 1, the rotating plate 42 is fixedly sleeved on the outside of the reciprocating screw 31 and is rotatably arranged on the inner top of the stirring drum 1 through a bearing, the gear ring 43 is fixedly arranged on the bottom of the top plate 41, the stirring rod 44 penetrates the rotating plate 42 and is rotatably connected to the rotating plate 42 through a bearing, and the internal gear 45 is fixedly arranged on the top of the stirring rod 44 and meshes with the gear ring 43.

[0027] By setting the above-mentioned driving mechanism 3 and stirring mechanism 4, the driving motor 32 can drive the reciprocating screw 31 to rotate continuously after being started, and the reciprocating screw 31 drives the rotating plate 42 to rotate continuously when rotating. When the rotating plate 42 rotates, it drives the stirring rod 44 to revolve around the reciprocating screw 31 as the axis. At the same time, due to the setting of the gear ring 43 and the internal gear 45, the stirring rod 44 rotates while revolving, thereby realizing effective stirring of the slurry raw materials.

[0028] like Figure 2 and Figure 4 As shown, the separation and sealing mechanism 5 includes an annular separation bucket 51, a sealing column 52, a limiting ring 53, a movable sleeve 54 and a first T-shaped rod 55, wherein the annular separation bucket 51 is slidably sleeved on the outside of the stirring rod 44 and is rotatably connected to the inner wall of the stirring drum 1 through a bearing, the sealing column 52 is slidably set on the inner side of the annular separation bucket 51 along the vertical direction, the limiting ring 53 is fixedly sleeved on the middle part of the outer side of the sealing column 52, the movable sleeve 54 is rotatably nested on the top of the sealing column 52 through a bearing, and the first T-shaped rod 55 is slidably nested in the reciprocating screw 31 along the vertical direction and is fixedly connected to the movable sleeve 54.

[0029] By setting the above structure, as the lifting plate 33 continues to rise, the first T-shaped rod 55 is continuously pushed upward, and the first T-shaped rod 55 drives the blocking column 52 to continue to rise through the movable sleeve 54. Subsequently, as the lifting plate 33 continues to rise, the blocking column 52 moves out from the inside of the annular dividing bucket 51, thereby releasing the blockage of the annular dividing bucket 51. At this time, the slurry raw material to be mixed in the upper chamber quickly passes through the annular dividing bucket 51 and enters the lower chamber to wait for mixing.

[0030] like Figure 3 As shown, the quick discharge mechanism 6 includes a discharge plate 61, a locking groove 62, a connecting plate 63, a first spring 64, a blocking sleeve 65 and an annular guide plate 66, wherein the discharge plate 61 is slidably nested along the vertical direction on the outside of the reciprocating screw 31, the locking groove 62 is opened on the inner side of the discharge plate 61, the connecting plate 63 is rotatably arranged at the bottom of the discharge plate 61 through a bearing, the first spring 64 is located between the connecting plate 63 and the lifting plate 33, the blocking sleeve 65 is fixedly arranged on the outside of the bottom of the discharge plate 61, and the annular guide plate 66 is slidably sleeved on the outside of the blocking sleeve 65 and fixedly connected to the inner wall of the transfer shell 2.

[0031] By setting the above structure, after the discharge plate 61 is unlocked, under the action of gravity, the discharge plate 61 continues to descend along the reciprocating screw 31 until it is blocked by the annular guide plate 66. At this time, the discharge plate 61 releases the seal on the bottom opening of the mixing drum 1, and the finished slurry in the lower chamber continuously enters the interior of the transfer shell 2 under the action of gravity. At the same time, during the discharging process, the discharge plate 61 continues to rotate driven by the reciprocating screw 31, so that the slurry can be discharged faster.

[0032] like Figure 5 As shown, the trigger-type locking mechanism 7 includes a second T-shaped rod 71, a lifting ring 72, a trigger plate 73, a locking pin 74 and a second spring 75, wherein the second T-shaped rod 71 is slidably nested in the reciprocating screw 31 along the vertical direction and is fixedly connected to the lifting sleeve 35, the lifting ring 72 is fixedly sleeved on the outside of the second T-shaped rod 71, the trigger plate 73 is fixedly set at the bottom of the lifting ring 72, the locking pin 74 is slidably penetrated in the reciprocating screw 31 and extends to the side of the reciprocating screw 31, and the second spring 75 is fixedly connected between the inner wall of the reciprocating screw 31 and the locking pin 74.

[0033] By setting the above structure, the lifting plate 33 can be lowered while the second T-shaped rod 71 is driven to continue to descend through the lifting sleeve 35. When the second T-shaped rod 71 descends, the trigger plate 73 is driven to continue to descend through the lifting ring 72. When the trigger plate 73 contacts the locking pin 74, as the lifting plate 33 continues to descend, the trigger plate 73 continues to push the locking pin 74, thereby gradually moving the locking pin 74 out of the locking groove 62.

[0034] Example 2

[0035] The method specifically comprises the following steps: S1. Input slurry raw materials into the lower chamber. After the input of slurry raw materials into the lower chamber is completed, the input is stopped. The drive motor 32 is started and the slurry raw materials are input into the upper chamber. After the drive motor 32 is started, the reciprocating screw 31 is driven to rotate continuously. When the reciprocating screw 31 rotates, the rotating plate 42 is driven to rotate continuously. When the rotating plate 42 rotates, the stirring rod 44 is driven to revolve around the reciprocating screw 31 as the axis. At the same time, due to the setting of the gear ring 43 and the internal gear 45, the stirring rod 44 rotates while revolving, thereby achieving effective stirring of the slurry raw materials. S2. The reciprocating screw 31 drives the lifting plate 33 to continuously descend during its rotation. When the lifting plate 33 descends, the second T-shaped rod 71 is driven to continuously descend through the lifting sleeve 35. When the second T-shaped rod 71 descends, the trigger plate 73 is driven to continuously descend through the lifting ring 72. When the lifting plate 33 descends to a first threshold, the trigger plate 73 contacts the locking pin 74. Subsequently, as the lifting plate 33 continues to descend, the trigger plate 73 continuously pushes the locking pin 74, thereby causing the locking pin 74 to gradually move out of the locking slot 62. S3, when the descending distance of the lifting plate 33 reaches the second threshold, the locking pin 74 moves out from the locking groove 62, thereby releasing the lock on the discharge plate 61. At this time, the discharge plate 61 continues to descend along the reciprocating screw 31 under the action of gravity until it is blocked by the annular guide plate 66. At this time, the discharge plate 61 releases the seal on the bottom opening of the mixing drum 1, and the slurry product in the lower chamber continuously enters the inside of the transfer shell 2 under the action of gravity. At the same time, during the discharging process, the discharge plate 61 continues to rotate driven by the reciprocating screw 31, so that the slurry is discharged faster; S4, when the descending distance of the lifting plate 33 reaches the third threshold, the lifting plate 33 moves to the bottom of the reciprocating thread on the outer side of the reciprocating screw 31, and then as the reciprocating screw 31 continues to rotate, the lifting plate 33 continues to move upward, and the first spring 64 and the connecting plate 63 continuously push the discharge plate 61 during the upward movement of the lifting plate 33; S5, when the lifting distance of the lifting plate 33 reaches the fourth threshold, the discharge plate 61 contacts the locking pin 74, and as the lifting plate 33 continues to rise, the discharge plate 61 continues to push the locking pin 74, so that the locking pin 74 stretches the second spring 75. When the lifting distance of the lifting plate 33 reaches the fifth threshold, the top of the discharge plate 61 contacts the bottom of the stirring rod 44, and the locking groove 62 and the locking pin 74 are in line. At this time, under the action of the second spring 75, the locking pin 74 enters the inner side of the locking groove 62 again to lock the discharge plate 61. Due to the obstruction of the stirring rod 44, the subsequent discharge plate 61 cannot continue to rise. At this time, as the lifting plate 33 continues to rise, the first spring 64 is continuously compressed; S6, when the lifting plate 33 reaches the sixth threshold, the top of the second T-shaped rod 71 contacts the bottom of the first T-shaped rod 55, and then as the lifting plate 33 rises, the second T-shaped rod 71 drives the blocking column 52 to continue to rise through the first T-shaped rod 55 and the movable sleeve 54. When the lifting plate 33 reaches the seventh threshold, the blocking column 52 moves out from the inner side of the annular separation bucket 51, thereby releasing the blockage of the annular separation bucket 51. At this time, the slurry raw materials to be stirred in the upper chamber quickly pass through the annular separation bucket 51 and enter the lower chamber to wait for stirring; S7, when the lifting plate 33 rises to the eighth threshold, the lifting plate 33 moves to the top of the reciprocating thread on the outside of the reciprocating screw 31, and then as the reciprocating screw 31 continues to rotate, the lifting plate 33 moves down and resets, thereby stirring the slurry raw material in the lower chamber again.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for stirring high solid content slurry of positive and negative electrodes of lithium batteries, characterized in that: The method for stirring a lithium battery positive and negative electrode high-solid content slurry is achieved by a lithium battery positive and negative electrode high-solid content slurry stirring device, the lithium battery positive and negative electrode high-solid content slurry stirring device comprising a stirring drum (1), a transfer shell (2) being fixedly sleeved on the outer bottom of the stirring drum (1), a driving mechanism (3) being provided on the inner sides of the stirring drum (1) and the transfer shell (2), a stirring mechanism (4), a partitioning and blocking mechanism (5) and a rapid discharge mechanism (6) being provided on the outer side of the driving mechanism (3) in order from top to bottom, the partitioning and blocking mechanism (5) dividing the interior of the stirring drum (1) into an upper chamber and a lower chamber, and a trigger-type locking mechanism (7) being provided inside the driving mechanism (3); The driving mechanism (3) comprises a reciprocating screw (31), a driving motor (32), a lifting plate (33), a guide rod (34) and a lifting sleeve (35); The reciprocating screw (31) is rotatably nested in the center of the bottom of the inner cavity of the transfer shell (2) through a bearing, the driving motor (32) is transmission-connected to the reciprocating screw (31), the lifting plate (33) is transmission-sleeved on the outside of the reciprocating screw (31), the guide rod (34) slides through the lifting plate (33) and is fixedly connected to the inner wall of the transfer shell (2), and the lifting sleeve (35) is fixedly arranged at the bottom of the lifting plate (33) and sleeved on the outside of the reciprocating screw (31); The stirring mechanism (4) comprises a top plate (41), a rotating plate (42), a gear ring (43), a stirring rod (44) and an internal gear (45); The top plate (41) is fixedly arranged on the top of the mixing drum (1); the rotating plate (42) is fixedly sleeved on the outside of the reciprocating screw (31) and is rotatably arranged on the top of the inside of the mixing drum (1) via a bearing; the gear ring (43) is fixedly arranged on the bottom of the top plate (41); the stirring rod (44) passes through the rotating plate (42) and is rotatably connected to the rotating plate (42) via a bearing; and the internal gear (45) is fixedly arranged on the top of the stirring rod (44) and is meshed with the gear ring (43).

2. A method for stirring a high solid content slurry of positive and negative electrodes of a lithium battery according to claim 1, characterized in that: The separation and blocking mechanism (5) comprises an annular separation bucket (51), a blocking column (52), a limiting ring (53), a movable sleeve (54) and a first T-shaped rod (55).

3. A method for stirring a high solid content slurry of positive and negative electrodes of a lithium battery according to claim 2, characterized in that: The annular partition bucket (51) is slidably sleeved on the outside of the stirring rod (44) and is rotatably connected to the inner wall of the stirring drum (1) via a bearing; the blocking column (52) is slidably sleeved on the inside of the annular partition bucket (51) along the vertical direction; the limit ring (53) is fixedly sleeved on the middle part of the outside of the blocking column (52); the movable sleeve (54) is rotatably nested on the top of the blocking column (52) via a bearing; and the first T-shaped rod (55) is slidably sleeved on the inside of the reciprocating screw (31) along the vertical direction and is fixedly connected to the movable sleeve (54).

4. A method for stirring a high solid content slurry of positive and negative electrodes of a lithium battery according to claim 3, characterized in that: The rapid material discharge mechanism (6) comprises a material discharge plate (61), a locking groove (62), a connecting plate (63), a first spring (64), a blocking sleeve (65) and an annular material guide plate (66).

5. A method for stirring a high solid content slurry of positive and negative electrodes of a lithium battery according to claim 4, characterized in that: The discharge plate (61) is slidably nested along the vertical direction on the outside of the reciprocating screw (31), the locking groove (62) is opened on the inside of the discharge plate (61), the connecting plate (63) is rotatably arranged on the bottom of the discharge plate (61) through a bearing, the first spring (64) is located between the connecting plate (63) and the lifting plate (33), the blocking sleeve (65) is fixedly arranged on the outside of the bottom of the discharge plate (61), and the annular guide plate (66) is slidably sleeved on the outside of the blocking sleeve (65) and fixedly connected to the inner wall of the transfer shell (2).

6. A method for stirring a lithium battery positive and negative electrode high solid content slurry according to claim 5, characterized in that: The trigger-type locking mechanism (7) comprises a second T-shaped rod (71), a lifting ring (72), a trigger plate (73), a locking pin (74) and a second spring (75).

7. A method for stirring a high solid content slurry of positive and negative electrodes of a lithium battery according to claim 6, characterized in that: The second T-shaped rod (71) is slidably nested in the reciprocating screw (31) along the vertical direction and is fixedly connected to the lifting sleeve (35); the lifting ring (72) is fixedly sleeved on the outside of the second T-shaped rod (71); the trigger plate (73) is fixedly arranged at the bottom of the lifting ring (72); the locking pin (74) is slidably penetrated in the reciprocating screw (31) and extends to the side of the reciprocating screw (31); and the second spring (75) is fixedly connected between the inner wall of the reciprocating screw (31) and the locking pin (74).

8. A method for stirring high solid content slurry of positive and negative electrodes of lithium battery according to claim 7, characterized in that: The method specifically comprises the following steps: S1, inputting slurry raw materials into the lower chamber, stopping inputting slurry raw materials into the lower chamber after the inputting of slurry raw materials into the lower chamber is completed, starting the drive motor (32) and inputting slurry raw materials into the upper chamber at the same time, and after the drive motor (32) is started, the reciprocating screw (31) is driven to rotate continuously, and the reciprocating screw (31) drives the rotating plate (42) to rotate continuously when the reciprocating screw (31) rotates, and the rotating plate (42) drives the stirring rod (44) to revolve around the reciprocating screw (31) as the axis, and at the same time, due to the arrangement of the gear ring (43) and the internal gear (45), the stirring rod (44) rotates while revolving, thereby achieving effective stirring of the slurry raw materials; S2, the reciprocating screw (31) drives the lifting plate (33) to continuously descend during the rotation process, and while the lifting plate (33) is descending, the second T-shaped rod (71) is driven to continuously descend through the lifting sleeve (35), and when the second T-shaped rod (71) is descending, the trigger plate (73) is driven to continuously descend through the lifting ring (72), and when the lifting plate (33) descends a distance reaching a first threshold, the trigger plate (73) contacts the locking pin (74), and subsequently, as the lifting plate (33) continues to descend, the trigger plate (73) continuously pushes the locking pin (74), thereby causing the locking pin (74) to gradually move out of the locking groove (62); S3, when the descending distance of the lifting plate (33) reaches the second threshold value, the locking pin (74) moves out from the locking groove (62), thereby releasing the lock on the discharge plate (61). At this time, the discharge plate (61) continues to descend along the reciprocating screw (31) under the action of gravity until it is blocked by the annular guide plate (66). At this time, the discharge plate (61) releases the seal on the bottom opening of the mixing drum (1), and the slurry product in the lower chamber continuously enters the interior of the transfer shell (2) under the action of gravity. At the same time, during the discharging process, the discharge plate (61) continues to rotate under the drive of the reciprocating screw (31), so that the slurry is discharged faster; S4, when the descending distance of the lifting plate (33) reaches a third threshold value, the lifting plate (33) moves to the bottom end of the reciprocating thread on the outer side of the reciprocating screw (31), and then as the reciprocating screw (31) continues to rotate, the lifting plate (33) continues to move upward, and during the upward movement of the lifting plate (33), the first spring (64) and the connecting plate (63) continuously push the discharge plate (61); S5, when the lifting plate (33) reaches the fourth threshold value, the discharge plate (61) contacts the locking pin (74), and as the lifting plate (33) continues to rise, the discharge plate (61) continues to push the locking pin (74), thereby causing the locking pin (74) to stretch the second spring (75). When the lifting plate (33) reaches the fifth threshold value, the top of the discharge plate (61) contacts the bottom of the stirring rod (44), and the locking groove (62) and the locking pin (74) are collinear. At this time, under the action of the second spring (75), the locking pin (74) enters the inner side of the locking groove (62) again to lock the discharge plate (61). Due to the obstruction of the stirring rod (44), the subsequent discharge plate (61) cannot continue to rise. At this time, as the lifting plate (33) continues to rise, the first spring (64) is continuously compressed; S6, when the lifting plate (33) reaches a sixth threshold value, the top end of the second T-shaped rod (71) contacts the bottom end of the first T-shaped rod (55), and subsequently, as the lifting plate (33) rises, the second T-shaped rod (71) drives the blocking column (52) to continue to rise through the first T-shaped rod (55) and the movable sleeve (54). When the lifting plate (33) reaches a seventh threshold value, the blocking column (52) moves out from the inside of the annular separation bucket (51), thereby releasing the blockage of the annular separation bucket (51), and at this time, the slurry raw material to be stirred in the upper chamber quickly passes through the annular separation bucket (51) and enters the lower chamber to wait for stirring; S7. When the lifting distance of the lifting plate (33) reaches the eighth threshold value, the lifting plate (33) moves to the top of the reciprocating thread on the outside of the reciprocating screw (31). Subsequently, as the reciprocating screw (31) continues to rotate, the lifting plate (33) moves downward and resets, thereby stirring the slurry raw material in the lower chamber again.

Images