CN214734552U

CN214734552U - Square crucible device for graphitizing negative electrode material

Info

Publication number: CN214734552U
Application number: CN202120771580.XU
Authority: CN
Inventors: 王腾师; 向林
Original assignee: Inner Mongolia Hengke New Material Technology Co ltd
Current assignee: Inner Mongolia Hengke New Material Technology Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-11-16
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a square crucible device that negative pole material graphitization was used, including bottom plate and the crucible body, the top of bottom plate is provided with the crucible body, the last fixed surface of bottom plate is connected with stabilising arrangement, stabilising arrangement and crucible body cooperation installation, the top of bottom plate is provided with the riser, riser and stabilising arrangement fixed connection, the fixed surface of riser is connected with elevating gear, the top sliding connection of riser has the lifter plate, lifter plate and elevating gear fixed connection, the fixed surface of lifter plate is connected with the diaphragm, the inside fixedly connected with conveying pipeline of diaphragm, this square crucible device that negative pole material graphitization was used can realize the ration feeding, and avoids manual work, reduces intensity of labour, simple structure, and the practicality is strong.

Description

Square crucible device for graphitizing negative electrode material

Technical Field

The utility model relates to a crucible technical field specifically is square crucible device that negative pole material graphitization used.

Background

Graphitization of the negative electrode material refers to the conversion of disordered and irregular arrangement of carbon atoms into a regularly arranged hexagonal plane network structure, namely a graphite microcrystalline structure at high temperature, and aims to obtain the performances of high electric conductivity, high heat conductivity, corrosion resistance, friction resistance and the like of graphite. The graphitization temperature can reach 3100 ℃, and the higher the temperature is, the more perfect the graphitization microcrystal structure is developed.

The conventional square crucible device for graphitizing the negative electrode material mostly adopts manual operation for feeding materials into a crucible in the process of graphitizing the battery material, and the feeding amount of some raw materials needs to be controlled within a certain range, so that the labor intensity of workers is high and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a square crucible device that negative pole material graphitization was used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: square crucible device that negative pole material graphitization was used, including bottom plate and the crucible body, the top of bottom plate is provided with the crucible body, the last fixed surface of bottom plate is connected with stabilising arrangement, stabilising arrangement and the cooperation installation of crucible body, the top of bottom plate is provided with the riser, riser and stabilising arrangement fixed connection, the fixed surface of riser is connected with elevating gear, the top sliding connection of riser has the lifter plate, lifter plate and elevating gear fixed connection, the fixed surface of lifter plate is connected with the diaphragm, the inside fixedly connected with conveying pipeline of diaphragm, the surface of lifter plate is located the below fixedly connected with feed arrangement of diaphragm, feed arrangement and conveying pipeline sliding installation.

Preferably, the stabilizing device comprises a first spring, a coaming, an object placing plate, a rotating column, a second spring, a column groove, a movable rod, a convex block and a cushion block, wherein the first spring is fixedly connected with the upper surface of the bottom plate at equal intervals, the object placing plate is fixedly connected with one end of the first spring, which is far away from the bottom plate, the crucible body is arranged on the upper surface of the object placing plate in a matched manner, the coaming is fixedly connected with the upper surface of the bottom plate symmetrically, the number of the coaming is four, the rotating column is connected with the inner part of the coaming symmetrically through threads, the column groove is arranged in the rotating column, the convex block is connected with the surface of the column groove in a sliding manner, the movable rod is fixedly connected with the inner part of the convex block in a sliding manner, the second spring is sleeved on the outer side of the movable rod, one end of the second spring is fixedly connected with the convex block, the movable rod is slidably mounted with the rotating column, and the cushion block is fixedly connected with one end, which is close to the crucible body, of the plurality of the movable rod, and a plurality of cushion blocks are matched with the crucible body for installation.

Preferably, one end of the surface of the plurality of the rotating columns, which is far away from the crucible body, is fixedly connected with a knob.

Preferably, elevating gear includes hydraulic telescoping rod, fixed plate, fixed block and gag lever post, the one end fixedly connected with fixed plate of bounding wall is kept away from on the riser surface, the surperficial symmetry fixedly connected with hydraulic telescoping rod of fixed plate, two the equal fixedly connected with fixed block of one end that hydraulic telescoping rod kept away from the fixed plate, two the fixed block all with lifter plate fixed connection, a plurality of gag lever posts of below fixedly connected with of lifter plate, it is a plurality of the gag lever post all with riser sliding connection.

Preferably, the feeding device comprises a first L-shaped plate, a third spring, a connecting block, a second L-shaped plate, a motor seat, a stepping motor, a transmission shaft, a rotating wheel, an arc-shaped bulge, a connecting plate and a movable plate, wherein the end, far away from the transverse plate, of the surface of the lifting plate is fixedly connected with the first L-shaped plate, the surface of the first L-shaped plate is fixedly connected with the connecting block, the surface of the connecting block is fixedly connected with the third spring, the end, far away from the connecting block, of the third spring is fixedly connected with the second L-shaped plate, the second L-shaped plate is slidably connected with the first L-shaped plate, the surface, far away from the connecting block, of the first L-shaped plate is fixedly connected with the motor seat, the stepping motor is fixedly connected above the motor seat, the output end of the stepping motor is fixedly connected with the transmission shaft, the end, far away from the stepping motor, of the transmission shaft is fixedly connected with the rotating wheel, and the surface of the rotating wheel is fixedly connected with the arc-shaped bulge, the surface of the second L-shaped plate far away from the lifting plate is fixedly connected with a connecting plate, and the surface of the connecting plate is fixedly connected with a movable plate.

Preferably, the surface of the second L-shaped plate is fixedly connected with a connecting rod, and the connecting rod is connected with the lifting plate in a sliding mode.

Preferably, the surface of the first L-shaped plate is symmetrically and fixedly connected with a square block, the surface of the second L-shaped plate is provided with a square hole, the surface of the square hole is symmetrically provided with a sliding groove, and the sliding groove is in sliding connection with the square block.

Preferably, the surface of conveying pipeline is close to the one end fixedly connected with closing cap of the crucible body, the dust cover is installed in crucible body surface fit, the feed inlet has been seted up on the surface of dust cover, the internally mounted of feed inlet has the feed valve, the fixed surface of feed inlet is connected with sealed the pad.

Preferably, one end of the surface of the conveying pipe, which is far away from the crucible body, is fixedly connected with a plurality of conveying pipes, and the plurality of conveying pipes are communicated with the conveying pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses multiple raw materials pass through the conveying pipe and get into the conveying pipeline, there is step motor to drive the transmission shaft and rotate, and then drive the runner and rotate, and then drive the protruding rotation of arc, produce relative slip between its and the connecting plate, it is close to towards the conveying pipeline to drive second L template, the fly leaf removes towards the direction of keeping away from the lifter plate, control the inside feedstock channel of conveying pipeline, opening and closing of cooperation feed valve realizes quantitative feeding, avoid manual work simultaneously, reduce intensity of labour.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a schematic structural view of the stabilizing device of the present invention;

FIG. 3 is a schematic structural view of the feeding device of the present invention;

FIG. 4 is a schematic top cross-sectional view of the coaming of the present invention;

fig. 5 is a schematic top view of the bottom plate of the present invention;

fig. 6 is a schematic structural view of the lifting device of the present invention.

In the figure: 1. a base plate; 2. a crucible body; 3. a stabilizing device; 4. a vertical plate; 5. a lifting device; 6. a lifting plate; 7. a transverse plate; 8. a delivery pipe; 9. a feeding device; 10. a first spring; 11. enclosing plates; 12. a storage plate; 13. rotating the column; 14. a second spring; 15. a column groove; 16. a movable rod; 17. a bump; 18. cushion blocks; 19. a knob; 20. a hydraulic telescopic rod; 21. a fixing plate; 22. a fixed block; 23. a limiting rod; 24. a first L-shaped plate; 25. a third spring; 26. connecting blocks; 27. a second L-shaped plate; 28. a motor base; 29. a stepping motor; 30. a drive shaft; 31. a rotating wheel; 32. an arc-shaped bulge; 33. a connecting plate; 34. a movable plate; 35. a connecting rod; 36. a square block; 37. a square hole; 38. a chute; 39. sealing the cover; 40. a dust cover; 41. a feed inlet; 42. a gasket; 43. and a feed valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: square crucible device that negative pole material graphitization was used, including bottom plate 1 and crucible body 2, the top of bottom plate 1 is provided with crucible body 2, the last fixed surface of bottom plate 1 is connected with stabilising arrangement 3, stabilising arrangement 3 and the cooperation installation of crucible body 2, the top of bottom plate 1 is provided with riser 4,

riser

4 and 3 fixed connection of stabilising arrangement, the fixed surface of riser 4 is connected with elevating gear 5, the top sliding connection of riser 4 has lifter plate 6, lifter plate 6 and 5 fixed connection of elevating gear, the fixed surface of lifter plate 6 is connected with diaphragm 7, the inside fixedly connected with conveying pipeline 8 of diaphragm 7, the surface of lifter plate 6 is located the below fixedly connected with feed arrangement 9 of diaphragm 7, feed arrangement 9 and conveying pipeline 8 sliding mounting.

Referring to fig. 1, 4 and 5, the stabilizing device 3 includes a first spring 10, a surrounding plate 11, an object placing plate 12, a rotating column 13, a second spring 14, a column groove 15, a movable rod 16, four protruding blocks 17 and a cushion block 18, the first spring 10 is fixedly connected to the upper surface of the base plate 1 at equal intervals, the object placing plate 12 is fixedly connected to one end of the first spring 10 away from the base plate 1, the crucible body 2 is fittingly installed on the upper surface of the object placing plate 12, the surrounding plates 11 are symmetrically and fixedly connected to the upper surface of the base plate 1, the four surrounding plates 11 are provided, the rotating column 13 is symmetrically and threadedly connected to the inside of the surrounding plates 11, the column groove 15 is formed inside the rotating column 13, the protruding block 17 is slidably connected to the surface of the column groove 15, the movable rod 16 is fixedly connected to the inside of the protruding block 17, the second spring 14 is sleeved on the outer side of the movable rod 16, one end of the second spring 14 is fixedly connected to the protruding block 17, the utility model discloses a crucible body 2, including the movable rod 16, the movable rod 16 is close to the one end fixedly connected with cushion 18 of the crucible body 2, it is a plurality of with the rotation post 13 slidable mounting, it is a plurality of the cushion 18 of the movable rod 16 one end fixedly connected with cushion 18 that is close to the crucible body 2, it is a plurality of cushion 18 all with the cooperation installation of the crucible body 2, lower surface fixedly connected with a plurality of first springs 10 of putting thing board 12, play the cushioning effect in vertical direction, when placing the installation to the crucible body 2, rotate a plurality of knobs 19, it rotates to drive the rotation post 13, rotate through threaded connection between post 13 and the bounding wall 11, at this in-process, the rotation post 13 is moving towards the direction that is close to the crucible body 2, a plurality of cushion 18 and crucible body 2 surface contact, second spring 14 is compressed, produce reaction force and act on the surface of lug 17, and then make cushion 18 and crucible body 2 in close contact with, play the cushioning effect in the direction about crucible body 2 with succeeding each other, guarantee the stability of crucible body 2.

Referring to fig. 2, a plurality of rotating columns 13 are fixedly connected with knobs 19 at ends of the surfaces thereof far away from the crucible body 2, so as to facilitate the rotation adjustment of the rotating columns 13.

Referring to fig. 1 and 6, the lifting device 5 includes a hydraulic telescopic rod 20, a fixed plate 21, fixed blocks 22 and limit rods 23, the fixed plate 21 is fixedly connected to one end of the vertical plate 4 far from the surrounding plate 11, the hydraulic telescopic rods 20 are fixedly connected to the surface of the fixed plate 21 symmetrically, the fixed blocks 22 are fixedly connected to one ends of the two hydraulic telescopic rods 20 far from the fixed plate 21, the two fixed blocks 22 are fixedly connected to the lifting plate 6, the limit rods 23 are fixedly connected to the lower portion of the lifting plate 6, and the limit rods 23 are slidably connected to the vertical plate 4, so as to drive the material conveying pipe 8 to lift and further drive the sealing cover 39 to be matched with the sealing gasket 42.

Referring to fig. 3, the feeding device 9 includes a first L-shaped plate 24, a third spring 25, a connecting block 26, a second L-shaped plate 27, a motor base 28, a stepping motor 29, a transmission shaft 30, a rotating wheel 31, an arc-shaped protrusion 32, a connecting plate 33 and a movable plate 34, one end of the surface of the lifting plate 6, which is far away from the transverse plate 7, is fixedly connected with the first L-shaped plate 24, the surface of the first L-shaped plate 24 is fixedly connected with the connecting block 26, the surface of the connecting block 26 is fixedly connected with the third spring 25, one end of the third spring 25, which is far away from the connecting block 26, is fixedly connected with the second L-shaped plate 27, the second L-shaped plate 27 is slidably connected with the first L-shaped plate 24, the surface of the first L-shaped plate 24, which is far away from the connecting block 26, is fixedly connected with the motor base 28, the stepping motor 29 is fixedly connected above the motor base 28, and an output end of the stepping motor 29 is fixedly connected with the transmission shaft 30, a rotating wheel 31 is fixedly connected to one end, far away from the stepping motor 29, of the transmission shaft 30, an arc-shaped protrusion 32 is fixedly connected to the surface of the rotating wheel 31, a connecting plate 33 is fixedly connected to the surface, far away from the lifting plate 6, of the second L-shaped plate 27, a movable plate 34 is fixedly connected to the surface of the connecting plate 33, the stepping motor 29 is started to drive the transmission shaft 30 to rotate for a certain angle, so as to drive the rotating wheel to rotate for a certain angle, in the rotating process, the arc-shaped protrusion 32 and the connecting plate 33 slide relatively, the initial state of the third spring 25 is a compression state, the third spring 25 is compressed to generate a reaction force to act on the surfaces of the connecting block 26 and the second L-shaped plate 27, the second L-shaped plate 27 is limited by the matching and connection of the square block 36 and the chute 38 and the matching with the lifting plate 6, so as to ensure that the second L-shaped plate 27 can only move left and right, and the second L-shaped plate 27 moves towards the direction close to the material conveying pipe 8, the movable plate 34 slides relative to the feeding pipe 8, so that the feeding space of the feeding pipe 8 becomes narrow, the feeding amount per unit time is controlled, and quantitative feeding is realized.

Referring to fig. 1, a connecting rod 35 is fixedly connected to the surface of the second L-shaped plate 27, and the connecting rod 35 is slidably connected to the lifting plate 6, so as to ensure the lifting stability of the lifting plate 6 to a certain extent.

Referring to fig. 3, square blocks 36 are symmetrically and fixedly connected to the surface of the first L-shaped plate 24, square holes 37 are formed in the surface of the second L-shaped plate 27, sliding grooves 38 are symmetrically formed in the surface of the square holes 37, and the sliding grooves 38 are slidably connected with the square blocks 36 to limit the movement of the second L-shaped plate 27.

Referring to fig. 1, a sealing cover 39 is fixedly connected to one end of the surface of the material conveying pipe 8 close to the crucible body 2, a dust cover 40 is fittingly installed on the surface of the crucible body 2, a material inlet 41 is formed in the surface of the dust cover 40, a material inlet valve 43 is installed inside the material inlet 41, and a sealing gasket 42 is fixedly connected to the surface of the material inlet 41, so that the surface of the sealing cover 39 is in close contact with the surface of the sealing gasket 42, and powder leakage during feeding is avoided.

Referring to fig. 3, the third spring 25 is in a compressed state at an initial state, so that the connecting plate 33 is always in close contact with the roller 31.

The working principle is as follows: the crucible body 2 is an existing crucible, a controller can be installed on the surface of the enclosing plate 11, the stepping motor 29 and the feeding valve 43 are both connected with the controller through leads, the controller is precisely controlled by a computer or other control terminals, raw material conveying is carried out inside the material conveying pipe 8, according to actual needs, the controller controls the feeding valve 43 to be opened, the hydraulic telescopic rod 20 is contracted to drive the lifting plate 6 and the material conveying pipe 8 to move towards the direction close to the crucible body 2, so that the surface of the sealing cover 39 is in close contact with the surface of the sealing gasket 42, powder leakage during feeding is avoided, the stepping motor 29 is started to drive the transmission shaft 30 to rotate for a certain angle, and further drive the rotating wheel to rotate for a certain angle, in the rotating process, the arc-shaped protrusion 32 and the connecting plate 33 slide relatively, the initial state of the third spring 25 is a compression state, the third spring 25 is compressed, reaction force is generated to act on the surfaces of the connecting block 26 and the second L-shaped plate 27, the second L-shaped plate 27 is limited by the matching and connection of the square block 36 and the chute 38 and the matching of the lifting plate 6, which ensures that the second L-shaped plate can only move left and right, the second L-shaped plate 27 moves towards the direction close to the material conveying pipe 8, the movable plate 34 and the material conveying pipe 8 slide relatively, so that the feeding space of the material conveying pipe 8 becomes narrow, the feeding amount in unit time is controlled, and further quantitative feeding is realized, when the square block 36 slides to the other end of the chute 38, the feeding space is narrowest, otherwise, the feeding is largest, according to actual circumstances, the feeding is controlled by the controller, the lower surface of the object placing plate 12 is fixedly connected with a plurality of first springs 10, which has a buffering effect in the vertical direction, when the crucible body 2 is placed and installed, the plurality of knobs 19 are rotated to drive the rotating column 13 to rotate, the rotating column 13 is connected with the enclosing plate 11 through threads, in the process, the rotating column 13 moves towards the direction close to the crucible body 2, a plurality of cushion blocks 18 and the surface contact of the crucible body 2, the second spring 14 is compressed, and the reaction force is generated on the surface of the convex block 17, so that the cushion blocks 18 are in close contact with the crucible body 2, the cushion effect is played on the crucible body 2 in the left-right direction and the sequential direction, and the stability of the crucible body 2 is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Square crucible device that negative electrode material graphitization used, including bottom plate (1) and the crucible body (2), the top of bottom plate (1) is provided with the crucible body (2), its characterized in that: the utility model discloses a crucible of the refrigerator, including bottom plate (1), last fixed surface is connected with stabilising arrangement (3), stabilising arrangement (3) and the cooperation installation of the crucible body (2), the top of bottom plate (1) is provided with riser (4), riser (4) and stabilising arrangement (3) fixed connection, the fixed surface of riser (4) is connected with elevating gear (5), the top sliding connection of riser (4) has lifter plate (6), lifter plate (6) and elevating gear (5) fixed connection, the fixed surface of lifter plate (6) is connected with diaphragm (7), the inside fixedly connected with conveying pipeline (8) of diaphragm (7), the surface of lifter plate (6) is located below fixedly connected with feed arrangement (9) of diaphragm (7), feed arrangement (9) and conveying pipeline (8) slidable mounting.

2. The square crucible apparatus for graphitizing an anode material according to claim 1, wherein: the stabilizing device (3) comprises a first spring (10), a coaming (11), a storage plate (12), a rotating column (13), a second spring (14), a column groove (15), a movable rod (16), a convex block (17) and a cushion block (18), wherein the first spring (10) is fixedly connected with the bottom plate (1) at equal intervals on the upper surface of the bottom plate (1), a plurality of first springs (10) are fixedly connected with the storage plate (12) at the end far away from the bottom plate (1), the crucible body (2) is installed on the upper surface of the storage plate (12) in a matched manner, the coaming (11) is fixedly connected with the upper surface of the bottom plate (1) in a symmetrical manner, the number of the coaming (11) is four, the rotating column (13) is connected with the internal symmetry of the coaming (11) through threads, the column groove (15) is formed in the rotating column (13), the convex block (17) is connected with the surface of the column groove (15) in a sliding manner, the movable rod (16) is fixedly connected with the internal portion of the convex block (17), the outside cover of movable rod (16) is equipped with second spring (14), the one end and lug (17) fixed connection of second spring (14), movable rod (16) and rotation post (13) slidable mounting, it is a plurality of one end fixedly connected with cushion (18) that movable rod (16) is close to the crucible body (2), it is a plurality of cushion (18) all cooperate the installation with the crucible body (2).

3. The square crucible apparatus for graphitizing an anode material according to claim 2, wherein: and one ends of the surfaces of the rotating columns (13) far away from the crucible body (2) are fixedly connected with knobs (19).

4. The square crucible apparatus for graphitizing an anode material according to claim 1, wherein: elevating gear (5) are including hydraulic telescoping rod (20), fixed plate (21), fixed block (22) and gag lever post (23), the one end fixedly connected with fixed plate (21) of bounding wall (11) are kept away from on riser (4) surface, the surperficial symmetry fixedly connected with hydraulic telescoping rod (20) of fixed plate (21), two the equal fixedly connected with fixed block (22) of one end that fixed plate (21) were kept away from in hydraulic telescoping rod (20), two fixed block (22) all with lifter plate (6) fixed connection, a plurality of gag lever posts (23) of below fixedly connected with of lifter plate (6), it is a plurality of gag lever post (23) all with riser (4) sliding connection.

5. The square crucible apparatus for graphitizing an anode material according to claim 1, wherein: the feeding device (9) comprises a first L-shaped plate (24), a third spring (25), a connecting block (26), a second L-shaped plate (27), a motor base (28), a stepping motor (29), a transmission shaft (30), a rotating wheel (31), an arc-shaped protrusion (32), a connecting plate (33) and a movable plate (34), wherein the first L-shaped plate (24) is fixedly connected to one end, away from the transverse plate (7), of the surface of the lifting plate (6), the connecting block (26) is fixedly connected to the surface of the first L-shaped plate (24), the third spring (25) is fixedly connected to the surface of the connecting block (26), the second L-shaped plate (27) is fixedly connected to one end, away from the connecting block (26), of the third spring (25), the second L-shaped plate (27) is slidably connected with the first L-shaped plate (24), the motor base (28) is fixedly connected to the surface, away from the connecting block (26), of the first L-shaped plate (24), top fixedly connected with step motor (29) of motor cabinet (28), output fixedly connected with transmission shaft (30) of step motor (29), one end fixedly connected with runner (31) of step motor (29) are kept away from in transmission shaft (30), the fixed surface of runner (31) is connected with arc arch (32), the fixed surface of lifter plate (6) is kept away from in second L template (27) is connected with connecting plate (33), the fixed surface of connecting plate (33) is connected with fly leaf (34).

6. The square crucible apparatus for graphitizing an anode material according to claim 5, wherein: the surface of the second L-shaped plate (27) is fixedly connected with a connecting rod (35), and the connecting rod (35) is connected with the lifting plate (6) in a sliding mode.

7. The square crucible apparatus for graphitizing an anode material according to claim 5, wherein: the surface symmetry fixedly connected with square piece (36) of first L template (24), quad slit (37) have been seted up on the surface of second L template (27), spout (38) have been seted up to the surface symmetry of quad slit (37), spout (38) and square piece (36) sliding connection.

8. The square crucible apparatus for graphitizing an anode material according to claim 1, wherein: the utility model discloses a crucible cover, including the conveying pipeline (8), the one end fixedly connected with closing cap (39) that the surface of the conveying pipeline is close to the crucible body (2), dust cover (40) are installed to crucible body (2) surface fit, feed inlet (41) have been seted up on the surface of dust cover (40), the internally mounted of feed inlet (41) has feed valve (43), the surperficial fixedly connected with of feed inlet (41) is sealed fills up (42).

9. The square crucible apparatus for graphitizing an anode material according to claim 5, wherein: the initial state of the third spring (25) is a compressed state.