CN115676426A

CN115676426A - Lithium battery graphite powder quantitative charging machine

Info

Publication number: CN115676426A
Application number: CN202211432666.5A
Authority: CN
Inventors: 朱月园
Original assignee: Wuxi Batch Intelligent Robot Technology Co ltd
Current assignee: Wuxi Batch Intelligent Robot Technology Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-02-03

Abstract

The invention relates to the technical field of lithium batteries, in particular to a lithium battery graphite powder quantitative feeder which comprises a stock bin and a material blocking mechanism, wherein a spiral feeder is longitudinally arranged between the stock bin and the material blocking mechanism, the material blocking mechanism is arranged at a material outlet at the bottom end of the spiral feeder, a conveyor is arranged below the material outlet, a sagger enters from an inlet end of the conveyor and comes out from an outlet end of the conveyor, a telescopic mechanism and a clamping mechanism are arranged on the conveyor, the telescopic mechanism is used for limiting the sagger, and the sagger is fixed by the clamping mechanism when the sagger reaches the position under the material outlet. Can automatic material conveying and sagger can stop in discharge gate below automatically, connect the material precision height.

Description

Lithium battery graphite powder quantitative charging machine

Technical Field

The invention relates to the technical field of lithium batteries, in particular to a lithium battery graphite powder quantitative feeding machine.

Background

In practical application, the lithium cell generally adopts graphite as cathode material, when production, needs to adopt the graphite powder ration reinforced, and current lithium cell graphite powder feeding equipment generally includes the feed bin, the material valve, the discharge gate and treat the casket-like bowl of splendid attire material, and the casket-like bowl needs artifical adjusting position to realize accurate connecing to need artifical adjusting the casket-like bowl position so that connect the material, degree of automation is low.

Disclosure of Invention

The invention aims to solve the technical problem of providing a lithium battery graphite powder quantitative feeding machine which can automatically feed materials, a saggar can be automatically stopped below a discharge port, the material receiving precision is high, and the problems of low automation degree and low material receiving precision in the current lithium battery graphite powder feeding process are solved.

This lithium battery graphite powder ration feeder, including feed bin and stock stop, be equipped with longitudinal arrangement's feed screw between feed bin and the stock stop, wherein the feed outlet department in the feed screw bottom is established to the stock stop, the below of discharge gate is equipped with the conveyer, and the casket-like bowl gets into and draws forth from the exit end from the entrance point of conveyer, be equipped with telescopic machanism and clamping mechanism on the conveyer, telescopic machanism is used for spacing casket-like bowl, clamping mechanism reachs at the casket-like bowl is fixed when under the discharge gate.

The telescopic mechanism comprises a transverse plate, the transverse plate is arranged at the bottom end of the conveyor, a telescopic motor is vertically fixed at the bottom of the transverse plate, a connecting plate is arranged at the bottom end of the telescopic motor, guide rods are arranged on two sides of the connecting plate, one end of each guide rod upwards penetrates through the transverse plate to be connected with a T-shaped plate, the vertical end of each T-shaped plate is connected with at least one stopping wheel, and the stopping wheels abut against the bottom edge of one side of the stopping wheel close to the sagger so as to limit the sagger.

The conveyer is a roller conveyer, a notch smaller than the bottom surface of the saggar is arranged in the conveyer, the notch is positioned under the discharge port, and a lifting plate is arranged in the notch.

The spiral feeder comprises a feeding pipe, a tightening mechanism is arranged on the feeding pipe, and the tightening mechanism comprises a suction device used for sucking the suction holes I.

And suction holes II are distributed around the baffle plate, when the saggar is positioned below the discharge hole, the lifting plate is lifted upwards to lift the saggar so as to support the saggar on the baffle plate, at the moment, the suction holes II are positioned in the saggar, and the suction holes I and the suction holes II are both connected with the suction end of the suction device.

The material stopping device is characterized in that base plates are vertically fixed on two sides of the upper portion of the material stopping plate, an electric push rod is horizontally fixed on one side, away from the base plates, of the base plates, one end, away from the electric push rod, of the electric push rod is connected with a transverse S-shaped traction frame, a corner of the traction frame is of a right-angle structure, a material cutting plate is connected to one side, facing a discharge port, of the bottom of the traction frame, guide blocks are symmetrically arranged at the bottom of the material stopping plate, the guide blocks are arranged on two sides of the discharge port, guide grooves adaptive to the thickness of the material cutting plate are formed in the inner side of the guide blocks, the top surface of the material cutting plate abuts against the discharge port at the bottom of the spiral feeder, the length of the guide blocks is not smaller than the width of the discharge port, the length of the material cutting plate is not smaller than the length of the guide blocks, the discharge port is sealed after the material cutting plate completely enters the guide blocks, and meanwhile, a pressing table is formed by the material cutting plate and the guide blocks so that materials in a sagger can be tightly and flattened.

The bottom of discharge gate is equipped with wear-resisting ring, the material cutting plate is connected with wear-resisting ring in the form of sliding.

The feed bin includes the supporting disk, the tip portion that the supporting disk lower part was equipped with toper hopper and hopper is down, the bottom of hopper and the one end flange joint of conveying pipe, the top of pay-off screw rod penetrates in the hopper and rotates with the supporting disk from the bottom of hopper to be connected, be equipped with the motor that is used for driving the pay-off screw rod on the supporting disk, the feed bin still includes at least one charging tank, the supporting disk is equipped with the filling tube corresponding to charging tank, filling tube one end and hopper internal connection, its other end passes through the material valve and is connected with charging tank.

The spiral feeder is provided with a closed cylinder at the position of the first suction hole for sealing and coating the first suction hole, the closed cylinder is provided with at least one suction pipeline, the suction pipeline is connected with the suction end of the suction device, the second suction holes are arranged around the striker plate and are connected with each other through a U-shaped suction pipeline, and one end of the U-shaped suction pipeline is also connected with the suction end of the suction device, the suction device is also arranged on the supporting plate, and the exhaust end of the suction device is communicated with the stock bin so as to convey part of the sucked graphite powder into the stock bin.

The clamping mechanism is a limiting motor which is arranged on two sides of the mounting groove in a staggered mode, the sagger is of a square structure, and a clamping block which is matched with a right-angled edge of the sagger is arranged at one end, close to the limiting motor.

By adopting the scheme, the method has the following advantages:

the invention discloses a lithium battery graphite powder quantitative feeder which comprises a stock bin and a material blocking mechanism, wherein a spiral feeding machine is longitudinally arranged between the stock bin and the material blocking mechanism, the material blocking mechanism is arranged at a discharge port at the bottom end of the spiral feeding machine, a conveyer is arranged below the material blocking mechanism and used for conveying a saggar to be loaded with materials, a telescopic mechanism and a clamping mechanism are arranged on the conveyer and used for limiting the saggar in conveying to stop under the discharge port, and the clamping mechanism fixes the saggar when the saggar reaches under the discharge port. When the saggar is located under the discharge gate, telescopic machanism supports the saggar and gos forward, clamping mechanism presss from both sides tightly from the saggar both sides to connect accurate counterpoint of material mouthful with discharge gate and saggar, can realize accurate connecing the material.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the telescoping mechanism of the present invention;

FIG. 3 is a schematic bottom view of the telescoping mechanism of the present invention;

FIG. 4 is a schematic front view of the present invention with a portion of the frame removed;

FIG. 5 is a schematic front view of the closure cartridge of FIG. 4 removed;

FIG. 6 is an enlarged view of the structure at A of FIG. 5;

fig. 7 is a bottom view of the structure of fig. 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

As shown in fig. 1, the lithium battery graphite powder quantitative feeder of the present invention includes a bin and a material blocking mechanism, a spiral feeder is longitudinally arranged between the bin and the material blocking mechanism, wherein the material blocking mechanism is arranged at a discharge port 18 at the bottom end of the spiral feeder, a conveyor 10 is arranged below the material blocking mechanism for conveying a sagger 16 to be connected with a material, a telescopic mechanism and a clamping mechanism are arranged on the conveyor 10, the telescopic mechanism is used for limiting the sagger 16 in conveying to stop under the discharge port 18, and the clamping mechanism fixes the sagger 16 when the sagger 16 reaches under the discharge port 18.

As shown in fig. 2 or 3, the conveyor 10 is provided with a transverse plate 29, a telescopic motor 30 is fixed at the bottom of the transverse plate 29, a connecting plate 31 is connected to the bottom end of the telescopic motor 30, guide rods 32 are arranged on two sides of the connecting plate 31, one end of each guide rod 32 penetrates the transverse plate 29 upwards to be connected with a T-shaped plate 33, the vertical end of each T-shaped plate 33 is connected with at least one stopping wheel 34, the sagger 16 moves towards the direction of the stopping wheel 34, and when the sagger 16 moves below the discharge port 18, the stopping wheel 34 abuts against the bottom edge of one side of the sagger 16 close to the stopping wheel 34 so as to be limited.

One embodiment is as follows: the material conveying device is characterized in that suction holes I are uniformly distributed in the cylinder wall of the lower end of the spiral feeder, the material blocking mechanism comprises a material blocking plate 11 arranged at the bottom of the spiral feeder, a pushing and lifting mechanism is arranged below the conveyor 10 and comprises a telescopic oil cylinder 24, the upper end of the telescopic oil cylinder 24 is connected with a lifting plate 21, a saggar 16 can be lifted to abut against the material blocking plate 11 to complete material receiving, materials can form a cone in the middle of the saggar 16 due to gravity in the material receiving process, and further the spiral feeder comprises a feeding pipe 2 and a material tightening mechanism, wherein the material tightening mechanism comprises a suction device 8 used for sucking the suction holes I and tightens the materials by increasing the suction device 8.

In another embodiment: as shown in fig. 4-6, be equipped with the tight material mechanism on the screw feeder, the tight material mechanism includes suction device 8, the bottom evenly distributed of screw feeder inhales hole one, the striker plate is including establishing striker plate 11 in the screw feeder bottom, striker plate 11 distributes all around and inhales hole two, inhales hole one and inhales the diameter of hole two and is 1mm, inhale hole one, inhale hole two all with suction device 8's attraction end is connected, conveyer 10 below is equipped with the push-up mechanism, the push-up mechanism includes flexible hydro-cylinder 24, the upper end of flexible hydro-cylinder 24 is connected with lifting plate 21, and when sagger 16 is located the below of discharge gate 18, lifting plate 21 rises to rise and raises sagger 16 so that support sagger 16 on striker plate 11, this moment the hole of inhaling is located in sagger 16. Inhale a hole one and produce suction and closely adsorb graphite powder on the inner wall of conveying pipe 2, the graphite powder after the compaction falls into sagger 16 perpendicularly under the action of gravity, because under the suction of inhaling a hole one, the density of graphite powder improves, can let the more materials of loading in the sagger 16, improves the loading capacity of sagger 16. When the sagger 16 abuts against the striker plate 11, the second suction hole generates suction force to enable the materials in the sagger 16 to be more compact, and the charging amount of the sagger 16 is further increased.

In this embodiment, as shown in fig. 1, 4 or 7, a base plate is vertically fixed on two sides of an upper portion of the striker plate 11, an electric push rod 12 is horizontally fixed on a side of the base plate away from the base plate, one end of the electric push rod 12 away from the base plate is connected with a transverse S-shaped traction frame 13, a corner of the traction frame 13 is a right-angled structure, a material-intercepting plate 17 is connected on a side of the bottom of the traction frame 13 facing the material outlet 18, guide blocks 20 are symmetrically arranged on the bottom of the striker plate 11, the guide blocks 20 are arranged on two sides of the material outlet 18 and are provided with guide grooves corresponding to the thickness of the material-intercepting plate 17 on the inner side thereof, wherein the top surface of the material-intercepting plate 17 abuts against the material outlet 18 on the bottom of the screw feeder, the length of the guide blocks 20 is not less than the width of the material outlet 18, the length of the material-intercepting plate 17 is not less than the length of the guide blocks 20, because the material outlet 18 is located in the center of the bowl 16, the material falling from the material outlet 18 is substantially conical shape in the material outlet 16, when the material-intercepting plate 17 completely enters the guide blocks 20, the material outlet 18 is completely enters the guide blocks to form a pressing platform so as to tightly press the middle of the conical material in the conical shape of the middle of the conical material 16.

Further, the bottom of the discharge port 18 needs to be in frequent sliding fit with the material intercepting plate 17, the bottom end of the discharge port 18 is provided with a wear-resistant ring, and the material intercepting plate 17 is connected with the wear-resistant ring in a sliding manner, so that the wear resistance of the discharge port 18 is improved.

Specifically, as shown in fig. 1 or 4, the feed bin includes supporting disk 1, the sharp portion that 1 lower part of supporting disk was equipped with toper hopper 3 and hopper 3 is down, the bottom of hopper 3 and the one end flange joint of conveying pipe 2, the top of pay-off screw rod 19 penetrates in hopper 3 and rotates with supporting disk 1 from the bottom of hopper 3 and is connected, be equipped with the motor 9 that is used for driving pay-off screw rod 19 on the supporting disk 1, the feed bin still includes at least one charging tank 7, supporting disk 1 is equipped with the filling tube 5 corresponding to

charging tank

7, 5 one end of filling tube and 3 internal connection of hopper, its other end is connected with charging tank 7 through the material valve, and the material valve is arranged in controlling the whereabouts state of material in charging tank 7.

The spiral feeder comprises a feeding pipe 2 and a feeding screw rod 19, a motor 9 is arranged on a supporting disc 1 and used for being connected with the feeding screw rod 19, the feeding screw rod 19 penetrates through the feeding pipe 2, the outer diameter of the feeding screw rod 19 is slightly smaller than the inner diameter of the feeding pipe 2, and one end of the feeding screw rod 19 extends into a stock bin and is used for introducing graphite powder into the feeding pipe 2 from the stock bin; the graphite powder can be pushed into the feeding pipe 2 by starting the feeding screw rod 19, and as the fit clearance between the feeding screw rod 19 and the feeding pipe 2 is small, the clearance is generally 1-2mm, and the graphite powder is not easy to overflow from the clearance, the feeding screw rod 19 can pull the graphite powder to move in the feeding pipe 2, and the graphite powder transmission is realized.

As shown in fig. 6, the feeding pipe 2 of the screw feeder is provided with a closed cylinder 4 at the position of the suction hole one for hermetically covering the suction hole one, the closed cylinder 4 is provided with at least one suction pipeline 22, the suction pipeline 22 is connected with the suction end of the suction device 8, the suction holes two are arranged around the striker plate 11 and the suction holes two are connected with each other through a U-shaped suction pipeline 23, and one end of the U-shaped suction pipeline 23 is also connected with the suction end of the suction device 8 so that the suction holes two generate suction force.

Furthermore, the suction device 8 is a negative pressure pump or a vacuum pump, and is arranged on the support disc 1, and the exhaust end of the pump can be communicated with the stock bin so as to feed part of the sucked graphite powder into the stock bin, thereby improving the utilization rate of the material.

Further, the conveyor 10 is a roller conveyor, a gap smaller than the bottom surface of the sagger 16 is formed in the conveyor 10, the gap is located right below the discharge port, and a lifting plate 21 is arranged in the gap.

As shown in fig. 2 or 4, the notch includes a mounting groove 1001 formed in the conveyor 10 from the top to the bottom in the moving direction of the sagger 16, a lifting plate 21 is disposed below the mounting groove 1001 corresponding to the discharge port 18, short rods 27 are disposed on both sides of the lifting plate 21 in the moving direction of the sagger 16, a first guide wheel 28 is mounted on one end of the short rod 27 close to the lifting plate 21, the width of the lifting plate 21 and the first guide wheels 28 on both sides is not greater than the width of the bottom surface of the sagger 16 so that the sagger 16 can be supported by the guide wheels, guide rods 32 are disposed in the mounting groove 1001 in parallel with the moving direction of the sagger 16 and avoid the lifting plate 21 from the lifting plate 21, two guide wheels 26 are disposed on the guide rods 32, the second guide wheels 26 are flush with the first guide wheels 28, the telescopic cylinder 24 is fixedly connected to the lifting plate 21 from the bottom of the mounting groove 1001 to the top, and two limiting wheels 35 are disposed on both sides of the notch of the mounting groove for preventing the sagger 16 from shaking back and forth in the moving process, thereby further improving the moving stability of the sagger 16 and easily controlling the trajectory of the sagger 1001 so as to improve the precision of the receiving sagger 16.

Clamping mechanism is for staggering the spacing motor 9 of arranging in mounting groove 1001 both sides, sagger 16 is square structure, the one end that spacing motor 9 is close to mutually is equipped with the clamp splice 15 that suits with sagger 16 right angle limit, in this embodiment, the one side that clamp splice 15 is close to mutually is the L shape structure that suits with the square diagonal limit of sagger 16 for from two right angle diagonal limits of the tight sagger 16 of both sides clamp, two gyro wheels of the structural installation of L shape of clamp splice 15 replace clamp splice 15 and the contact of sagger 16, have avoided clamp splice 15 to cause the damage to sagger 16, have improved stability.

It should be noted that all components in this embodiment are integrated on a frame body as shown in fig. 1, wherein a supporting plate 1 is connected to the top of the frame body, a conveyor 10 is fixedly connected to the middle of the frame body, a receiving tray is further disposed at the bottom of the frame body for receiving overflowing materials, a telescopic cylinder 24 of the pushing and lifting mechanism is fixedly connected to the bottom of the frame body, and the receiving tray is disposed below the telescopic cylinder 24.

The specific working principle is as follows: connecting a feeding tank 7 filled with graphite powder with a feeding pipe 5, opening a material valve, enabling the graphite powder to fall into a hopper 3 from the feeding tank 7, enabling the graphite powder in the hopper 3 to reach a feeding pipe 2 through transmission of a feeding screw rod 19, starting a vacuum pump, enabling a suction hole I to generate suction force to uniformly suck the graphite powder on the inner wall of the feeding pipe 2 when the graphite powder reaches a position of a suction hole I of the feeding pipe 2, enabling a sagger 16 to advance along a guide wheel I28 and a guide wheel II 26 of a conveyor 10, limiting displacement of the sagger 16 by a stop wheel 34 of a telescopic mechanism, enabling the sagger 16 to be just conveyed to the lower part of a discharge hole 18, driving a clamping block 15 by a limiting motor 9 to position the sagger 16 at the position from two sides, controlling two material cutting plates 17 by an electric push rod 12 at the moment, opening the discharge hole 18, enabling the compacted graphite powder to fall into the sagger 16, and stopping blanking when the sagger 16 is filled with the material cutting plates 17.

Further, at the moment, the saggar 16 is just located above the lifting plate 21, the telescopic oil cylinder 24 generates thrust to push the saggar 16 upwards and press the saggar 16 on the material blocking plate 11, the material blocking plate 17 completely enters the guide block 20 to close the material outlet 18, the material blocking plate 17 and the guide block 20 form a pressing table so as to compact and flatten conical materials in the middle of the saggar 16, meanwhile, the suction holes II generate suction force, the materials in the saggar 16 can be more compact, the materials can be continuously loaded in a space extruded out of the saggar 16, after the saggar 16 is filled, the limiting motor 9 retracts, the clamping block 15 loosens the saggar 16, and the saggar 16 is sent out by the conveyor 10 to wait for next processing.

Claims

1. The utility model provides a lithium cell graphite powder ration feeder, includes feed bin and stock stop, is equipped with the feed screw between feed bin and the stock stop, and wherein the stock stop establishes in discharge gate (18) department of feed screw bottom, its characterized in that, the below of discharge gate (18) is equipped with conveyer (10), and casket-like bowl (16) get into and draw forth from the exit end from the entrance point of conveyer (10), be equipped with telescopic machanism and clamping mechanism on conveyer (10), telescopic machanism is used for spacing casket-like bowl (16), clamping mechanism reachs in casket-like bowl (16) it is fixed with casket-like bowl (16) when under discharge gate (18).

2. The quantitative lithium battery graphite powder feeding machine according to claim 1, wherein the telescopic mechanism comprises a transverse plate (29), the transverse plate (29) is arranged at the bottom end of the conveyor (10), a telescopic motor (30) is vertically fixed at the bottom of the transverse plate (29), a connecting plate (31) is arranged at the bottom end of the telescopic motor (30), guide rods (32) are arranged on two sides of the connecting plate (31), one end of each guide rod (32) upwards penetrates through the transverse plate (29) to be connected with a T-shaped plate (33), the vertical end of each T-shaped plate (33) is connected with at least one stopping wheel (34), and the stopping wheel (34) abuts against the bottom edge of one side, close to the stopping wheel (34), of the sagger (16) so as to limit the sagger (16).

3. The lithium battery graphite powder quantitative charging machine according to claim 1 or 2, characterized in that the conveyor (10) is a roller conveyor, a notch smaller than the bottom surface of the saggar (16) is arranged in the conveyor (10), the notch is positioned right below the discharge port (18), and a lifting plate (21) is arranged in the notch.

4. The lithium battery graphite powder quantitative charging machine according to claim 3, characterized in that suction holes I are uniformly distributed on the lower end cylinder wall of the spiral feeding machine, the material blocking mechanism comprises a material blocking plate (11) arranged at the bottom of the spiral feeding machine, a pushing and lifting mechanism is arranged below the conveyor (10), the pushing and lifting mechanism comprises a telescopic oil cylinder (24), the upper end of the telescopic oil cylinder (24) is connected with a lifting plate (21), the spiral feeding machine comprises a feeding pipe (2), a material tightening mechanism is arranged on the feeding pipe, and the material tightening mechanism comprises a suction device (8) for sucking the suction holes I.

5. The lithium battery graphite powder quantitative charging machine according to claim 3, characterized in that two suction holes are distributed around the baffle plate (11), when the saggar (16) is located below the discharge hole (18), the lifting plate (21) lifts up and raises the saggar (16) so as to support the saggar (16) on the baffle plate (11), at the moment, the two suction holes are located in the saggar (16), and the suction holes I and II are both connected with the suction end of the suction device (8).

6. The lithium battery graphite powder quantitative charging machine according to claim 3, characterized in that two sides of the upper part of the baffle plate (11) are vertically fixed with a base plate, one side of the base plate far away from the base plate is horizontally fixed with an electric push rod (12), one end of the electric push rod (12) far away from the base plate is connected with a transverse S-shaped traction frame (13), corners of the traction frame (13) are of a right-angle structure, one side of the bottom of the traction frame (13) facing the discharge port (18) is connected with a material cutting plate (17), the bottom of the baffle plate (11) is symmetrically provided with guide blocks (20), the guide blocks (20) are arranged on two sides of the discharge port (18) and are provided with guide grooves corresponding to the thickness of the material cutting plate (17), wherein the top surface of the material cutting plate (17) is abutted against the discharge port (18) at the bottom of the spiral feeding machine, the length of the guide blocks (20) is not less than the width of the discharge port (18), the length of the material cutting plate (17) is not less than the length of the guide blocks (20), and when the material cutting plate (17) completely enters the guide blocks (20), the guide blocks (18) are closed, the material cutting plate (17) is pressed and flattened to form a compact bowl (16) in the discharge port.

7. The lithium battery graphite powder quantitative charging machine according to claim 6, characterized in that the bottom end of the discharge port (18) is provided with a wear-resistant ring, and the material stopping plate (17) is connected with the wear-resistant ring in a sliding manner.

8. The lithium battery graphite powder quantitative charging machine according to claim 1, characterized in that the stock bin comprises a supporting disk (1), the lower portion of the supporting disk (1) is provided with a conical hopper (3) and the tip portion of the hopper (3) faces downwards, the bottom end of the hopper (3) is connected with one end of a feeding pipe (2) through a flange, the top end of a feeding screw (19) penetrates into the hopper (3) from the bottom end of the hopper (3) and is rotatably connected with the supporting disk (1), a motor (9) used for driving the feeding screw (19) is arranged on the supporting disk (1), the stock bin further comprises at least one charging tank (7), the supporting disk (1) is provided with a charging pipe (5) corresponding to the charging tank (7), one end of the charging pipe (5) is connected with the hopper (3) inside, and the other end of the charging pipe is connected with the charging tank (7) through a material valve.

9. The lithium battery graphite powder quantitative feeding machine according to claim 3, wherein the screw feeder is provided with a closed cylinder (4) at a position of a suction hole I for sealing and coating the suction hole I, the closed cylinder (4) is provided with at least one suction pipeline (22), the suction pipeline (22) is connected with a suction end of the suction device (8), the suction holes II are formed around the baffle plate (11) and are connected with each other through a U-shaped suction pipeline (23), one end of the U-shaped suction pipeline (23) is also connected with the suction end of the suction device (8), the suction device (8) is also arranged on the supporting plate (1), and an exhaust end of the suction device (8) is communicated with a stock bin so as to send part of the sucked graphite powder into the stock bin.

10. The lithium battery graphite powder quantitative charging machine according to claim 1, characterized in that the clamping mechanism is a limiting motor (9) which is arranged at two sides of the mounting groove (1001) in a staggered manner, the sagger (16) is of a square structure, and a clamping block (15) which is matched with a right-angled edge of the sagger (16) is arranged at one end, close to the limiting motor (9).