CN212070082U

CN212070082U - Preparation device for lithium ion battery cathode material

Info

Publication number: CN212070082U
Application number: CN202020605201.5U
Authority: CN
Inventors: 郭诗玫; 王媛
Original assignee: Qujing Normal University
Current assignee: Qujing Normal University
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-12-04
Anticipated expiration: 2030-04-21

Abstract

The utility model relates to a preparation device of a lithium ion battery cathode material, which belongs to the technical field of battery material manufacture; the supporting frame is fixed on the supporting table, a motor is fixedly connected to the inner wall of a vertical block on one side of the supporting frame, a lead screw is fixedly connected to an output shaft of the motor, a guide block is arranged on the lead screw in a penetrating mode through thread rotation, a guide rod is arranged at the upper end of the lead screw, the left end and the right end of the guide rod are respectively connected and fixed with the vertical block in the corresponding supporting frame, the upper end of the guide block is movably arranged on the guide rod in a penetrating mode, a guide groove is formed in the supporting table, the bottom end of the guide block is arranged in the guide groove in a penetrating mode in a sliding mode, a supporting block is fixedly connected to the bottom of the supporting block, a cylinder is fixedly connected; the raw materials for preparing the cathode material are pressed and formed, air among raw material particles is fully removed, the reaction efficiency in the preparation process can be improved, and the method is favorable for industrial production.

Description

Preparation device for lithium ion battery cathode material

Technical Field

The utility model relates to a battery material preparation technical field, concretely relates to lithium ion battery cathode material's preparation facilities.

Background

A lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode; the rechargeable lithium ion battery is the most widely applied battery in modern digital products such as mobile phones, notebook computers and the like at present, and is commonly called as a lithium battery by people; the lithium ion battery takes a carbon material as a negative electrode and a lithium-containing compound as a positive electrode, and the energy density of the lithium ion battery mainly depends on the specific capacity of the positive electrode material and the negative electrode material; the silicon-based negative electrode material can form an alloy with lithium, has very high theoretical capacity (4200mAh/g), is low in price and rich in resources, and is the most potential negative electrode material of a future lithium ion battery; in order to improve the cycle performance of a silicon-based negative electrode material, the nano-crystallization of the single-substance silicon is a common method, and along with the reduction of the particle size, the volume change of the silicon can be reduced to a certain extent, so that the internal stress of the battery is reduced, however, the manual raw material grinding mode is usually adopted when the low-temperature chemical reaction is adopted for preparing the nano-silicon in the prior art, so that the aim of improving the reaction efficiency is achieved, but the mode is only suitable for the condition of few raw materials, and has poor manual practical operability, low efficiency and low yield; improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a reasonable in design's lithium ion battery cathode material's preparation facilities, carry out the briquetting to the raw materials of preparation cathode material, fully get rid of the air between the raw materials granule, can improve the reaction efficiency in the preparation process, be favorable to carrying out industrial production.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the device comprises a workbench and a die, wherein the workbench is provided with the die; the stamping die comprises a die, a worktable, a support table, a stamping mechanism, a limiting mechanism, a support column, a support table and a stamping mechanism, wherein the limiting mechanism is arranged on the left side and the right side of the die;

the limiting mechanism comprises a hydraulic push rod, a push block, a connecting rod and a limiting plate, the hydraulic push rod is fixedly connected to the left side and the right side of the die, the push block is fixedly connected to the push end of the hydraulic push rod, the connecting rod is fixedly connected to the inner side wall of the push block in an up-down symmetrical mode, the other end of the connecting rod penetrates through a side plate of the die and is arranged in the die, the other end of the connecting rod is fixedly connected with the limiting plate, and the lower surface of the limiting plate is movably contacted with the upper;

the punching mechanism comprises a support frame, a guide rod, a guide block, a support block, a cylinder and a punching block, wherein the support frame is fixed on a support table, the support frame is arranged in an inverted U-shaped structure, a motor is fixedly connected to the inner wall of the vertical block on one side of the support frame, a lead screw is fixedly connected to an output shaft of the motor, the guide block is arranged on the lead screw in a penetrating manner through thread rotation, the guide rod is arranged at the upper end of the lead screw, the left end and the right end of the guide rod are respectively connected and fixed with the vertical block in the corresponding support frame, the upper end of the guide block is movably arranged on the guide rod in a penetrating manner, a guide groove is formed in the support table, the bottom end of the guide block is slidably arranged in the guide groove in a penetrating manner, the support block is fixedly connected to the bottom of the guide; the motor is connected with an external power supply, and the cylinder is connected with an external air source.

Further, the workstation on fixedly connected with slide rail, the mould sets up on the slide rail through the spout horizontal slip of its bottom, the equal fixedly connected with locating piece in both sides around the mould, the bottom surface of locating piece sets up with the upper surface contact of workstation, the symmetry is provided with the several locating hole around on the workstation, the double-screw bolt passes through the screw thread and from last down rotatory wear to establish in locating piece and locating hole in proper order.

Furthermore, the front side and the rear side of the support frame are fixedly connected with baffle plates.

Further, the equal fixedly connected with several fixed columns in the left and right sides of mould, several fixed column symmetry sets up both sides around hydraulic push rod, the fluting has been seted up to one side of fixed column, the fluting internalization is provided with the activity post, all link up on the fixed column of both sides about the fluting and be provided with the guide slot, the one end of activity post is symmetrical fixedly connected with guide block from top to bottom, the guide block horizontal slip sets up in the guide slot that corresponds, the other end and the ejector pad of activity post are connected fixedly.

Furthermore, the inner wall of the slot is fixedly connected with a spring, and the other end of the spring is fixedly connected with the movable column.

After the structure is adopted, the beneficial effects of the utility model are that: the utility model discloses in a lithium ion battery cathode material's preparation facilities, carry out the briquetting to the raw materials of preparation cathode material, fully get rid of the air between the raw materials granule, can improve the reaction efficiency in the preparation process, be favorable to carrying out industrial production.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a sectional view taken along the line a-a in fig. 3.

Fig. 5 is a schematic view of the connection between the fixed column and the movable column of the present invention.

Description of reference numerals:

the device comprises a workbench 1, positioning holes 1-1, a die 2, a limiting mechanism 3, a hydraulic push rod 3-1, a push block 3-2, a connecting rod 3-3, a limiting plate 3-4, a support table 5, a guide groove 5-1, a punching mechanism 6, a support frame 6-1, a guide rod 6-2, a guide block 6-3, a support block 6-4, a cylinder 6-5, a punching block 6-6, a motor 6-7, a screw rod 6-8, a slide rail 7, a positioning block 8, a stud 9, a baffle 10, a fixed column 11, a groove 11-1, a guide groove 11-2, a movable column 12, a guide block 13 and a spring 14.

The specific implementation mode is as follows:

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.

As shown in fig. 1 to 5, the following technical solutions are adopted in the present embodiment: the die comprises a workbench 1 and a die 2, wherein the die 2 is arranged on the workbench 1, a slide rail 7 is fixedly welded on the workbench 1, the die 2 is arranged on the slide rail 7 in a left-right sliding manner through a slide groove at the bottom of the die 2, positioning blocks 8 are fixedly welded on the front side and the rear side of the die 2, the bottom surface of each positioning block 8 is arranged in contact with the upper surface of the workbench 1, a plurality of positioning holes 1-1 are symmetrically arranged on the workbench 1 in the front-back direction, studs 9 are sequentially and rotatably arranged in the positioning blocks 8 and the positioning holes 1-1 from top to bottom through threads, and the slide rail 7 is in sliding fit with the slide groove at the bottom of the die 2 in the left-right direction; the die comprises a die 2, a worktable 1, a limiting mechanism 3, a support column 4, a support table 5 and a punching mechanism 6, wherein the limiting mechanism 3 is arranged on the left side and the right side of the die 2, the support column 4 is welded and fixed on the peripheral edges of the upper surface of the worktable 1, the support table 5 is welded and fixed on the top end of the support column 4, and the punching mechanism 6 is arranged on the support table 5;

the limiting mechanism 3 comprises a hydraulic push rod 3-1, a push block 3-2, a connecting rod 3-3 and a limiting plate 3-4, the hydraulic push rod 3-1 with the model of QD is fixed on the left side and the right side of the die 2 by screws, the push block 3-2 is fixed on the pushing end of the hydraulic push rod 3-1 by welding, the connecting rod 3-3 is fixed on the inner side wall of the push block 3-2 by welding symmetrically from top to bottom, the other end of the connecting rod 3-3 passes through the side plate of the die 2 and is arranged in the die 2, the other end of the connecting rod 3-3 is fixed with the limiting plate 3-4 by welding, the lower surface of the limiting plate 3-4 is movably contacted with the upper surface of the die 2, two fixing columns 11 are fixed on the left side and the right side of the die 2 by welding, the two fixing, one side of the fixed column 11 is provided with a slot 11-1, a movable column 12 is movably arranged in the slot 11-1, a spring 14 is fixedly welded on the inner wall of the slot 11-1, the other end of the spring 14 is fixedly welded with the movable column 12, the fixed column 11 on the upper side and the lower side of the slot 11-1 are respectively provided with a guide slot 11-2 in a penetrating way, one end of the movable column 12 is symmetrically fixedly welded with a guide block 13 up and down, the guide block 13 is arranged in the corresponding guide slot 11-2 in a left-right sliding way, the other end of the movable column 12 is fixedly welded with the push block 3-2, and the hydraulic push rod 3-1 performs guiding operation through the movable column 12 in the process of pushing the push block 3-2;

the punching mechanism 6 comprises a support frame 6-1, a guide rod 6-2, a guide block 6-3, a support block 6-4, a cylinder 6-5 and a punching block 6-6, the support frame 6-1 is fixedly welded on the support table 5, the support frame 6-1 is arranged in an inverted U-shaped structure, a motor 6-7 with the model of 60KTYZ is fixed on the inner wall of a vertical block at one side of the support frame 6-1 by screws, a screw rod 6-8 is fixedly welded on an output shaft of the motor 6-7, the guide block 6-3 is penetrated on the screw rod 6-8 through screw rotation, the guide rod 6-2 is arranged at the upper end of the screw rod 6-8, the left end and the right end of the guide rod 6-2 are respectively fixedly welded with the corresponding vertical block in the support frame 6-1, and the upper end of the guide block 6-3 is movably penetrated on the guide rod 6-2, a guide groove 5-1 is formed in the support table 5, the bottom end of the guide block 6-3 is slidably arranged in the guide groove 5-1 in a penetrating manner, a support block 6-4 is fixedly welded to the bottom of the guide block 6-3, an air cylinder 6-5 with the model number of TN20 is fixed to the bottom of the support block 6-4 through screws, a punching block 6-6 is fixedly welded to the pushing end of the bottom of the air cylinder 6-5, and the punching block 6-6 is arranged on the upper side of the die 2; the front side and the rear side of the support frame 6-1 are both fixed with baffle plates 10 by screws, and the motor 6-7, the screw rod 6-8 and the guide rod 6-2 are hidden by the baffle plates 10, so that the safety in the use process is improved; the motors 6-7 are connected with an external power supply through power lines, and the air cylinders 6-5 are connected with an external air source through air pipes.

The working principle of the specific embodiment is as follows: when the device is used, a preparation material for a negative electrode material, such as nano silicon, is manually placed in a die 2, the preparation material is limited by the limiting plates 3-4 on the left side and the right side, the push block 3-2 is driven by the hydraulic push rod 3-1 to push, so that the limiting plate 3-4 is driven by the connecting rod 3-3 to push, the preparation material is limited by the limiting plates 3-4 on the left side and the right side, and the push block 3-2 is guided by the sliding fit of the movable column 12 and the fixed column 11 in the process that the push block 3-2 is driven by the hydraulic push rod 3-1 to push; the sliding rail 7 is arranged on the workbench 1, so that the die 2 can be manually pushed to be placed on the workbench 1, and the stud 9, the positioning block 8 and the positioning hole 1-1 are in threaded fit with each other, so that the die 2 is fixed on the workbench 1, and the position of the die 2 can be adjusted according to actual requirements at the fixed position of the die 2; the motor 6-7 rotates to drive the screw rod 6-8 to rotate, so that the guide block 6-3 on the screw rod moves, the guide block 6-3 moves to conduct guide operation through the guide rod 6-2 at the upper end of the guide block, the guide block 6-3 drives the support block to move in the moving process, so that the punch block 6-6 moves, the punch block 6-6 is located above the preparation material to be punched, the punch block 6-6 is driven to punch downwards through the air cylinder 6-5, and the punch block 6-6 conducts punching operation on the preparation material, so that air among raw material particles in the preparation material is fully removed.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the preparation material in the die 2 is limited by arranging the limiting plates 3-4 which are bilaterally symmetrical in the die 2 through the limiting plates 3-4, and the pushing block 3-2 is pushed by the hydraulic push rod 3-1, so that the limiting plates 3-4 are driven to move;

2. the guide block 6-3 is driven to move, so that the punching block 6-6 is driven to move to the upper end of the preparation material, the preparation material is extruded by the punching block 6-6 through pushing of the air cylinder 6-5, and air among particles is fully removed;

3. according to the actual use requirement, the mould 2 can be manually adjusted, so that the mould 2 can be taken out or installed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A preparation device of a lithium ion battery cathode material comprises a workbench (1) and a mold (2), wherein the workbench (1) is provided with the mold (2); the method is characterized in that: the stamping die is characterized by further comprising a limiting mechanism (3), pillars (4), a supporting table (5) and a stamping mechanism (6), wherein the limiting mechanism (3) is arranged on each of the left side and the right side of the die (2), the pillars (4) are fixedly connected to the peripheral edges of the upper surface of the workbench (1), the supporting table (5) is fixedly connected to the top end of each pillar (4), and the stamping mechanism (6) is arranged on the supporting table (5);

the limiting mechanism (3) comprises a hydraulic push rod (3-1), a push block (3-2), a connecting rod (3-3) and a limiting plate (3-4), the hydraulic push rod (3-1) is fixedly connected to the left side and the right side of the die (2), the push end of the hydraulic push rod (3-1) is fixedly connected with the push block (3-2), the connecting rod (3-3) is fixedly connected to the upper portion and the lower portion of the inner side wall of the push block (3-2) in a vertically symmetrical mode, the other end of the connecting rod (3-3) penetrates through the side plate of the die (2) and is arranged in the die (2), the other end of the connecting rod (3-3) is fixedly connected with the limiting plate (3-4), and the lower surface of the limiting plate (3-4) is movably contacted with the;

the stamping mechanism (6) comprises a support frame (6-1), a guide rod (6-2), a guide block (6-3), a support block (6-4), a cylinder (6-5) and a stamping block (6-6), the support frame (6-1) is fixed on the support table (5), the support frame (6-1) is arranged in an inverted U-shaped structure, a motor (6-7) is fixedly connected to the inner wall of a vertical block at one side of the support frame (6-1), a screw rod (6-8) is fixedly connected to an output shaft of the motor (6-7), the guide block (6-3) is rotatably arranged on the screw rod (6-8) in a penetrating manner through threads, the guide rod (6-2) is arranged at the upper end of the screw rod (6-8), and the left end and the right end of the guide rod (6-2) are respectively connected and fixed with the vertical block in the corresponding support frame (6-, the upper end of the guide block (6-3) is movably arranged on the guide rod (6-2) in a penetrating mode, a guide groove (5-1) is formed in the support table (5), the bottom end of the guide block (6-3) is arranged in the guide groove (5-1) in a penetrating mode in a sliding mode, a support block (6-4) is fixedly connected to the bottom of the guide block (6-3), an air cylinder (6-5) is fixedly connected to the bottom of the support block (6-4), a punching block (6-6) is fixedly connected to the bottom pushing end of the air cylinder (6-5), and the punching block (6-6) is arranged on the upper side of the die (2); the motors (6-7) are connected with an external power supply, and the cylinders (6-5) are connected with an external air source.

2. The apparatus for preparing anode material of lithium ion battery according to claim 1, wherein: the positioning device is characterized in that a sliding rail (7) is fixedly connected to the workbench (1), the die (2) is arranged on the sliding rail (7) in a sliding mode through a sliding groove in the bottom of the die, positioning blocks (8) are fixedly connected to the front side and the rear side of the die (2), the bottom surface of each positioning block (8) is in contact with the upper surface of the workbench (1), a plurality of positioning holes (1-1) are symmetrically arranged on the workbench (1) in the front-rear mode, and the studs (9) are sequentially and rotatably arranged in the positioning blocks (8) and the positioning holes (1-1) from top to bottom through threads.

3. The apparatus for preparing anode material of lithium ion battery according to claim 1, wherein: the front side and the rear side of the support frame (6-1) are fixedly connected with baffle plates (10).

4. The apparatus for preparing anode material of lithium ion battery according to claim 1, wherein: the die is characterized in that a plurality of fixed columns (11) are fixedly connected to the left side and the right side of the die (2), the fixed columns (11) are symmetrically arranged on the front side and the rear side of a hydraulic push rod (3-1), a groove (11-1) is formed in one side of each fixed column (11), a movable column (12) is movably arranged in the groove (11-1), guide grooves (11-2) are formed in the fixed columns (11) on the upper side and the lower side of the groove (11-1) in a penetrating mode, one end of each movable column (12) is fixedly connected with guide blocks (13) in an up-down symmetrical mode, the guide blocks (13) are arranged in the corresponding guide grooves (11-2) in a left-right sliding mode, and the other end of each movable column (12.

5. The apparatus according to claim 4, wherein the apparatus comprises: the inner wall of the slot (11-1) is fixedly connected with a spring (14), and the other end of the spring (14) is fixedly connected with the movable column (12).