Graphite crucible filling and compacting device

Abstract

The utility model provides a filling and compacting device for a graphite crucible, which comprises a charging cylinder with one end provided with a charging port and the other end capable of being inserted into the crucible; the negative pressure vibration mechanism comprises a negative pressure assembly and a lifting assembly for driving the negative pressure assembly to ascend and descend, the negative pressure assembly comprises a plurality of negative pressure pipes arranged with the feeding cylinder as the circle center, the upper ends of the negative pressure pipes are connected with a negative pressure generator and a vibrator, and the lower ends of the negative pressure pipes and the lower end of the feeding cylinder are inserted into the crucible. The utility model provides a graphite crucible filling and compacting device which comprises a feeding cylinder and a negative pressure vibration mechanism, the negative pressure vibration mechanism comprises a negative pressure assembly and a lifting assembly, and the negative pressure assembly achieves extraction of air in powder in a crucible under the lifting of the lifting assembly, achieves uniformization of the powder in the crucible and enables the powder to be evenly filled.

Description

TECHNICAL FIELD

[0001] The utility model relates to graphite crucible filling compaction device technical field, especially in kind graphite crucible filling compaction device. BACKGROUND

[0002] At present, the negative electrode material of commercial lithium ion battery is still dominated by graphite materials, and the graphite materials as the negative electrode material need to be crushed into powder particles with appropriate particle size from block or large particle natural graphite or artificial graphite precursor (petroleum coke, needle coke, pitch coke, etc.) in the preparation process, and then carbonization and graphitization treatment is carried out, for example, the natural graphite is subjected to graphitization treatment to remove impurity elements in the natural graphite and improve the purity of C to more than 99%, and for example, the petroleum coke, needle coke and pitch coke are subjected to carbonization and then graphitization treatment, so that the capacity and cycle performance can be improved to prepare qualified graphite negative electrode materials.

[0003] However, in the prior art, the graphite negative electrode material filled in the crucible is in powder form, and the filling is not uniform, so that the internal filling of the crucible cannot be uniform. SUMMARY

[0004] In view of the defects in the prior art, the utility model provides a graphite crucible filling compaction device for filling graphite in the crucible, which comprises:

[0005] A rack;

[0006] A feeding cylinder is arranged on the rack, one end of which is provided with a feeding port, and the other end of which is insertable into the interior of the crucible;

[0007] A vibration negative pressure mechanism is arranged on the rack and comprises a negative pressure assembly and a lifting assembly for driving the negative pressure assembly to lift, the negative pressure assembly comprises a negative pressure generator and a vibrator, and the negative pressure assembly and the lower end of the feeding cylinder are inserted into the crucible;

[0008] A compaction mechanism is arranged below the vibration negative pressure mechanism and comprises a compaction mounting plate arranged on the rack, a compaction motor arranged on the compaction mounting plate, a second lead screw arranged at the output end of the compaction motor, a second lifting plate connected with the second lead screw, a pressure head arranged on the second lifting plate, a valve arranged on the pressure head, and a cylinder for controlling the opening and closing of the valve, and a second lifting nut adapted to the second lead screw is arranged on the second lifting plate.

[0009] In one embodiment, the negative pressure assembly comprises a plurality of negative pressure pipes arranged with the feeding cylinder as the center, the negative pressure pipes are connected with the negative pressure generator and the vibrator, and the lower ends of the negative pressure pipes and the feeding cylinder are inserted into the crucible.

[0010] In one of the embodiments, the lifting assembly comprises a first driving motor arranged on the frame, a first screw rod arranged at the two output ends of the first driving motor, and a first lifting plate connected with the first screw rod; the first lifting plate is provided with a first lifting nut matched with the first screw rod.

[0011] In one of the embodiments, the compacting mechanism further comprises a guide arranged in parallel with the second screw rod.

[0012] In one of the embodiments, a lifting type material blocking cover is arranged below the vibration negative pressure mechanism, the lower end of the lifting type material blocking cover is matched with the upper end of the crucible, and the lifting type material blocking cover is used for restraining and dustproofing the fluffy graphite.

[0013] In one of the embodiments, a dust removal port is arranged on one side of the lifting type material blocking cover.

[0014] In one of the embodiments, the lifting type material blocking cover comprises a support frame, a material blocking cover arranged on the support frame, and a lifting cylinder arranged on the support frame and used for driving the material blocking cover to lift.

[0015] Advantages of the present application

[0016] The present application provides a graphite crucible filling and compacting device, which comprises a frame, a feeding cylinder, a vibration negative pressure mechanism, and a compacting mechanism. The vibration negative pressure mechanism comprises a negative pressure assembly and a lifting assembly. The negative pressure assembly is used for extracting air in the powder in the crucible under the lifting of the lifting assembly, and is used for uniformly distributing the powder in the crucible, so that the powder is uniformly filled. The compacting mechanism is used for compacting the powder in the crucible by a pressing head, and is used for automatically filling the graphite powder in the crucible. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structural schematic view of one of the embodiments of the present application.

[0018] Fig. 2 It is a structural schematic view of the compacting mechanism of the present application.

[0019] Fig. 3 It is a structural schematic view of the lifting type material blocking cover of the present application.

[0020] In the drawings: 10, frame; 20, feeding cylinder; 21, feeding port; 30, vibration negative pressure mechanism; 31, negative pressure assembly; 32, lifting assembly; 40, compacting mechanism; 41, compacting mounting plate; 42, compacting motor; 43, second screw rod; 44, second lifting plate; 45, pressing head; 46, valve; 47, air cylinder; 50, lifting type material blocking cover; 51, support frame; 52, material blocking cover; 53, lifting cylinder; 54, dust removal port. DETAILED DESCRIPTION

[0021] The utility model will be described in detail below in combination with specific embodiments. The following embodiments will help the person skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that, for those skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made. These all belong to the protection scope of the utility model.

[0022] Referring to Figs. 1-3

[0023] The utility model provides a graphite crucible filling compaction device for the filling of graphite in the crucible, it includes: frame 10, feeding cylinder 20, vibration negative pressure mechanism 30 and compaction mechanism 40, frame 10 is used to provide fixed mounting position, feeding cylinder 20 is set up on frame 10, one end sets up feeding port 21, the other end can be inserted in the inside setting of crucible, vibration negative pressure mechanism 30 is set up on frame 10, including negative pressure component 31 and the lifting component 32 of driving negative pressure component 31 lift, negative pressure component 31 includes negative pressure generator and vibrator, negative pressure component 31 and the lower end of feeding cylinder 20 are inserted in the inside of crucible, compaction mechanism 40 is set up below vibration negative pressure mechanism 30, including the compaction mounting plate 41 of setting on frame 10, compaction motor 42 of setting on compaction mounting plate 41, second lead screw 43 of setting on the output end of compaction motor 42, second lifting plate 44 connected with second lead screw 43, ram 45 of setting on second lifting plate 44, valve 46 of setting on ram 45 and the pneumatic cylinder 47 of controlling valve 46 opening and closing, second lifting nut of setting on second lifting plate 44 with second lead screw 43 adaptation, the outer diameter of ram 45 and the inner diameter of crucible adaptation, ram 45 and the inside of crucible form sealed space, during compaction, pneumatic cylinder 47 controls the opening and closing of valve 46, realizes compaction. Through lifting component 32, negative pressure component 31 is inserted in the inside of crucible, after vibrating and negative pressure extraction air in graphite powder in the inside of crucible, again through the compaction device, graphite is compacted, so that graphite is evenly filled in the inside of crucible.

[0024] In one embodiment, the negative pressure component 31 includes a plurality of negative pressure tubes arranged with the feeding cylinder 20 as the center, the negative pressure tubes are connected with the negative pressure generator and the vibrator, and the lower ends of the negative pressure tubes and the feeding cylinder 20 are inserted into the crucible. In one embodiment, the negative pressure tubes are four, symmetrically arranged with the feeding cylinder 20 as the center, and the graphite powder filled in the crucible is evenly filled through vibration and negative pressure filling.

[0025] In one of the embodiments, the lifting assembly 32 comprises a first driving motor arranged on the frame 10, a first screw rod arranged at the two output ends of the first driving motor, and a first lifting plate connected with the first screw rod; the first lifting plate is provided with a first lifting nut matched with the first screw rod. The lifting assembly 32 drives the negative pressure pipe to insert or pull out the crucible, so as to realize the negative pressure and vibration filling of the negative pressure pipe at different positions in the crucible.

[0026] In one of the embodiments, the compaction mechanism 40 further comprises a guide arranged in parallel with the second screw rod 43, which is used for guiding the lifting of the compaction mechanism 40 when compacting the graphite powder.

[0027] In one of the embodiments, the vibration negative pressure mechanism 30 is provided below with a lifting material blocking cover 50, the lower end of the lifting material blocking cover 52 is matched with the upper end of the crucible, and the fluffy graphite is used for restraining and dustproofing.

[0028] In one of the embodiments, one side of the lifting material blocking cover 50 is provided with a dust removal port 54, the dust removal port 54 can be communicated with a device for collecting the powder graphite, realizes the reuse, dustproof and environmental protection.

[0029] In one of the embodiments, the lifting material blocking cover 52 comprises a support frame 51, a material blocking cover 52 arranged on the support frame 51, and a lifting cylinder 53 arranged on the support frame 51 and driving the material blocking cover 52 to lift, the lifting cylinder 53 drives the lifting material blocking cover 52 to lift along the height direction of the crucible, and the practicability is high.

[0030] The beneficial effects of the utility model

[0031] The utility model provides a graphite crucible filling compaction device, including frame 10, feeding cylinder 20, vibration negative pressure mechanism 30 and compaction mechanism 40, and negative pressure vibration mechanism includes negative pressure assembly 31 and lifting assembly 32, and negative pressure assembly 31 realizes the air extraction in the powder in the crucible under the lifting of lifting assembly 32, realizes the uniform material of powder in the crucible, and makes the uniform filling of powder. Compaction mechanism 40 compacts the powder in the crucible through the pressure head 45, realizes the automatic filling of graphite powder in the crucible.

[0032] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0033] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0034] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication inside two elements.

[0035] The above content is a further detailed description of the utility model in combination with specific embodiments, and cannot be considered as limiting the specific implementation of the utility model to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, some simple deductions or substitutions can be made without departing from the concept of the utility model.

Claims

1. A graphite crucible filling and compacting device for filling of graphite in a crucible, characterized in that, The utility model relates to a graphite powder production device, including: a rack; a feeding cylinder arranged on the rack, with a feeding opening at one end and being insertable into the inside of the crucible at the other end; a vibration negative pressure mechanism arranged on the rack, including a negative pressure component and a lifting component driving the negative pressure component to lift, the negative pressure component including a negative pressure generator and a vibrator, the negative pressure component and the lower end of the feeding cylinder being inserted into the crucible; a compaction mechanism arranged below the vibration negative pressure mechanism, including a compaction mounting plate arranged on the rack, a compaction motor arranged on the compaction mounting plate, a second lead screw arranged at the output end of the compaction motor, a second lifting plate connected with the second lead screw, a pressure head arranged on the second lifting plate, a valve arranged on the pressure head, and an air cylinder controlling the opening and closing of the valve, the second lifting plate being provided with a second lifting nut matched with the second lead screw.

2. A graphite crucible filling and compacting device according to claim 1, characterized in that The negative pressure component includes a plurality of negative pressure pipes arranged with the feeding cylinder as the center, the negative pressure pipes being connected with the negative pressure generator and the vibrator, the negative pressure pipes and the lower end of the feeding cylinder being inserted into the crucible.

3. A graphite crucible filling and compacting device as claimed in claim 1, wherein, The lifting component includes a first driving motor arranged on the rack, first lead screws arranged at the two output ends of the first driving motor, and a first lifting plate connected with the first lead screws, the first lifting plate being provided with first lifting nuts matched with the first lead screws.

4. A graphite crucible filling and compacting device as claimed in claim 1, wherein, The compaction mechanism further includes a guide arranged in parallel with the second lead screw.

5. A graphite crucible filling and compacting device as claimed in claim 1, wherein, A lifting type material blocking cover is arranged below the vibration negative pressure mechanism, the lower end of the lifting type material blocking cover being matched with the upper end of the crucible, and the cover being used for restraining and dustproofing the fluffy graphite.

6. A graphite crucible filling and compacting device according to claim 5, wherein The lifting type material blocking cover includes a support frame, a material blocking cover arranged on the support frame, and a lifting air cylinder arranged on the support frame and driving the material blocking cover to lift.

7. A graphite crucible filling and compacting device as claimed in claim 5, wherein, A dust removal opening is arranged on one side of the lifting type material blocking cover.

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