CN110756288B

CN110756288B - Lithium cell production is with raw materials intelligence ball-milling equipment

Info

Publication number: CN110756288B
Application number: CN201911000262.7A
Authority: CN
Inventors: 李学文; 张培林; 武建军; 柴利春; 王志辉; 张作文; 纪永良
Original assignee: Datong Xincheng New Material Co Ltd
Current assignee: Guangzhou Guiju Industrial Technology Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2021-06-25
Anticipated expiration: 2039-10-21
Also published as: CN110756288A

Abstract

The invention discloses raw material intelligent ball-milling equipment for lithium battery production, which comprises a supporting base, side plates, a ball-milling box, a filter frame and a sliding bottom plate, wherein the side plates are symmetrically welded on two sides of the upper end surface of the supporting base, the ball-milling box is arranged between the two groups of side plates, the top end of the ball-milling box is provided with a feed inlet, the bottom end of the ball-milling box is provided with a discharge outlet, a rotating shaft transversely penetrates through the inside of the ball-milling box, two ends of the rotating shaft respectively penetrate through the ball-milling box and are inserted into bearing seats welded on the side plates and are rotatably connected with the bearing seats, one end of the rotating shaft outside the ball-milling box is also in transmission connection with a motor arranged on the side plates through meshing between gears, two side surfaces of the rotating shaft in the ball. This lithium cell production is with raw materials intelligence ball-milling equipment has avoided exporting the screening with whole material and ball-milling together after the conventional ball-milling, and the efficiency of its ball-milling is faster, also is convenient for to the qualified screening of material.

Description

Lithium cell production is with raw materials intelligence ball-milling equipment

Technical Field

The invention belongs to the technical field of lithium battery production equipment, and particularly relates to raw material intelligent ball-milling equipment for lithium battery production.

Background

Lithium batteries are batteries using a nonaqueous electrolyte solution and using lithium metal or a lithium alloy as a negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. Therefore, lithium batteries have not been used for a long time. With the development of science and technology, lithium batteries have become the mainstream nowadays. Lithium batteries can be broadly classified into two types: lithium metal battery and lithium ion battery, lithium cell when the preparation produces, need carry out the ball-milling with the raw materials that the preparation produced and smash to the demand that adapts to the production, consequently need use ball-milling equipment.

But at present, lithium cell production is with raw materials intelligence ball-milling equipment, it is mostly to place ball and material together, rotates together and accomplishes the ball-milling process, and the separation is poured with it again to the back that the ball-milling is accomplished, and the quality of its raw materials can't be guaranteed, and when the raw materials did not conform, it need carry out the ball-milling again, the efficiency of comparatively extravagant ball-milling.

Disclosure of Invention

The invention aims to provide raw material intelligent ball-milling equipment for lithium battery production, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a lithium cell production is with raw materials intelligence ball-milling equipment, includes support base, curb plate, ball-milling case, filter stand and sliding bottom plate, the curb plate symmetry welding is in the up end both sides of support base, the ball-milling case sets up between two sets of curb plates, and the top of ball-milling case is seted up the feed inlet, and open the bottom has the discharge gate, and the inside transversely runs through has a pivot, the both ends of pivot pass the ball-milling case respectively and insert and establish in the welded bearing frame on the curb plate, with the bearing frame rotation connection, and the one end of pivot outside the ball-milling case still is connected with the motor drive of curb plate installation through the meshing between the gear, and brush and grinding ball are installed respectively through bull stick and connecting rod to the both sides face of pivot in the ball-milling case, and the upper cover of feed;

the ball mill is characterized in that the sliding bottom plate is arranged on the supporting base right below the ball mill box and is in sliding connection with the supporting base, a material receiving groove vertically corresponding to a discharge port of the ball mill box is formed in the upper end face of the sliding bottom plate, four corners of the upper end face of the sliding bottom plate are fixedly welded with the bottom end face of the ball mill box through supporting columns, a first electric push rod is further installed on the sliding bottom plate between the material receiving groove and the supporting columns, the top end of the first electric push rod is fixedly welded with four corners of the bottom end face of the filter frame, and the filter plate is installed in the filter frame.

Preferably, a bearing channel is further formed in the middle of two groups of side faces, connected with the rotating shaft, of the ball milling box, and the rotating shaft is inserted into the bearing channel in an inosculating manner and is rotatably connected with the ball milling box through a bearing on the bearing channel.

Preferably, the motor welds the side of a set of curb plate orientation ball mill case, installs the driving gear on the spindle of motor, the one end of pivot is close to bearing frame department fixed cover and is connected with driven gear, just the driving gear passes through the chain gear and is connected with driven gear meshing.

Preferably, the connecting rod and the rotating rod are arranged in a linear array on two side faces of the rotating shaft, the rotating rod is connected with the brush and the filter plate in an abutting mode, the top end of the connecting rod is provided with an arc-shaped ball groove, the grinding balls are installed in the ball groove, and a baffle for blocking the grinding balls is arranged above the grinding balls.

Preferably, the baffle is a hollow tubular structure with an opening at one side, an external thread is arranged at the outer side of one end close to the opening, the baffle is matched with an internal groove with an annular thread formed at the top end of the connecting rod, and a through hole through which the top end of the grinding ball penetrates is formed in the middle of the top end sealing end.

Preferably, the filter frame includes lifting bottom plate and connection roof, lifting bottom plate's bottom face four corners and first electric putter welded fastening, connect the roof welding in lifting bottom plate's up end intermediate position department, and the up end of connecting the roof opens the filtration passageway that has through connection roof and lifting bottom plate between two parties, in the anastomotic filtration passageway of filter, the four corners welding of filtration passageway has the dog that supports the filter.

Preferably, the bottom end face of the sliding bottom plate is symmetrically provided with sliding strips in a protruding mode, the upper end face of the supporting base is symmetrically provided with two groups of sliding grooves which are arranged in parallel and matched with the sliding strips, and one side of the sliding bottom plate is symmetrically connected with two groups of second electric push rods which are fixedly connected with the side plates and arranged horizontally.

Preferably, the bottom end surface of the slide bar is further provided with an inner groove, wherein a plurality of groups of rollers are mounted in the inner groove in a linear array mode, and the bottom ends of the plurality of groups of rollers are abutted against the bottom end surface of the sliding groove.

The invention has the technical effects and advantages that: according to the intelligent ball-milling equipment for the raw materials for lithium battery production, the ball-milling box is arranged, the ball-milling box is internally connected with the milling balls and the brush through the rotating shaft, the connecting rod and the rotating rod, the filtering plate is arranged at the bottom end of the ball-milling box, qualified materials can be directly filtered and collected in the ball-milling process, the situation that the whole materials and the ball-milling are led out and screened together after the conventional ball-milling is finished is avoided, the ball-milling efficiency is higher, and the qualified screening of the materials is facilitated; meanwhile, the ball milling box is connected with the sliding bottom plate through the support columns, and the sliding bottom plate can slide on the support base, so that the ball milling box can be driven to move back and forth, the problem that the grinding balls on the rotating shafts in the ball milling box cannot ball mill partial materials in the box body is avoided, the thorough ball milling is ensured, and meanwhile, due to the arrangement of the brush, the blockage of meshes on the filter plate can be avoided after single-wheel ball milling, and the blanking efficiency is ensured; in addition, the filter plate is coincided in the filter frame, the filter frame can pass through the expansion of the first electric push rod, and the filter frame is coincided and separated on the ball grinding box, so that the filter plate on the filter frame can be cleaned conveniently at regular time, and the filter plate can be replaced according to requirements in use, and the ball grinding device is suitable for different ball grinding requirements.

Drawings

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

FIG. 2 is a schematic view of the sliding bottom plate of the present invention;

FIG. 3 is a schematic view of the filter frame structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 in accordance with the present invention;

fig. 5 is a schematic view of the structure of the baffle plate of the present invention.

In the figure: the grinding machine comprises a supporting base 1, side plates 2, a bearing seat 3, a ball grinding box 4, a feeding top cover 5, a filtering plate 6, a rotating shaft 7, a rotating rod 8, a brush 9, a driven gear 10, a toothed chain 11, a driving gear 12, a motor 13, a supporting column 14, a sliding bottom plate 15, a material receiving groove 16, a filtering frame 17, a first electric push rod 18, a second electric push rod 19, a bearing channel 20, a sliding strip 21, a roller 22, a lifting bottom plate 23, a connecting top plate 24, a filtering channel 25, a stop 26, a baffle 27, grinding balls 28, a ball groove 29, a connecting rod 30 and a through hole 31.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides an intelligent ball milling device for lithium battery production raw materials as shown in figures 1-5, which comprises a supporting base 1, side plates 2, a ball milling box 4, a filter frame 17 and a sliding bottom plate 15, wherein the side plates 2 are symmetrically welded on two sides of the upper end surface of the supporting base 1, the ball milling box 4 is arranged between the two groups of side plates 2, the top end of the ball milling box 4 is provided with a feeding hole, the bottom end is provided with a discharging hole, the inner part of the ball milling box 4 transversely penetrates through a rotating shaft 7, two ends of the rotating shaft 7 respectively penetrate through the ball milling box 4 and are inserted into bearing seats 3 welded on the side plates 2 and are rotatably connected with the bearing seats 3, one end of the rotating shaft 7 outside the ball milling box 4 is also in transmission connection with a motor 13 arranged on the side plates 2 through meshing between gears, two side surfaces of the rotating shaft 7 in the ball milling box 4 are respectively provided with a brush 9 and a grinding ball 28 through a rotating rod 8 and a connecting rod 30, a matched filter plate 6 is arranged below the discharge hole (namely, the size of the filter plate 6 is the same as or slightly smaller than that of the discharge hole, and the discharge hole is covered);

the ball mill is characterized in that the sliding bottom plate 15 is arranged on the supporting base 1 right below the ball mill box 4 and is in sliding connection with the supporting base 1, a material receiving groove 16 vertically corresponding to a discharge hole of the ball mill box 4 is formed in the upper end face of the sliding bottom plate 15, four corners of the upper end face of the sliding bottom plate 15 are fixedly welded with the bottom end face of the ball mill box 4 through supporting columns 14, a first electric push rod 18 is further installed on the sliding bottom plate 15 between the material receiving groove 16 and the supporting columns 14, the top end of the first electric push rod 18 is fixedly welded with four corners of the bottom end face of the filter frame 17, and the filter plate 6 is installed in the filter frame.

Specifically, the intermediate position of two sets of sides that ball-milling case 4 and pivot 7 are connected has still opened bearing passageway 20, pivot 7 coincide insert establish in bearing passageway 20 and through the bearing on the bearing passageway 20 with ball-milling case 4 rotation be connected, bearing passageway 20 is the same with the principle of bearing frame 3, can enough support pivot 7, also can not influence the rotation of pivot 7.

Specifically, motor 13 welds the side of a set of curb plate 2 orientation ball mill case 4, installs driving gear 12 on the spindle of motor 13, the fixed cover of bearing frame 3 department of being close to of the one end of pivot 7 has connect driven gear 10, just driving gear 12 passes through toothed chain 11 and is connected with driven gear 10 meshing, realizes that motor 13 rotates the rotation that drives pivot 7.

Specifically, connecting rod 30 and bull stick 8 all are the linear array setting in the both sides face of pivot 7, and brush 9 and the 6 butts of filter that bull stick 8 is connected, when realizing rotating, can clear up the surface of filter 6, avoid the jam of sieve mesh, curved ball groove 29 has been seted up on the top of connecting rod 30, ball 28 is installed in ball groove 29, and ball 28's top is provided with the baffle 27 that blocks ball 28.

Specifically, the baffle 27 is a hollow tubular structure with an opening at one side, an external thread is arranged at the outer side of one end close to the opening, and the baffle is matched with an internal groove with an annular thread formed at the top end of the connecting rod 30 (the internal groove with the thread is not shown in the figure and can be presumed according to the shape of the baffle, so that the baffle 27 is in threaded connection with the connecting rod 30, the baffle 27 can be disassembled conveniently, different grinding balls 28 can be installed conveniently, and a through hole 31 through which the top end of the grinding ball 28 penetrates is formed in the middle of the top sealing end.

Specifically, the filter frame 17 includes a lifting bottom plate 23 and a connecting top plate 24, four corners of the bottom end face of the lifting bottom plate 23 are welded and fixed to the first electric push rod 18, the connecting top plate 24 is welded at the middle position of the upper end face of the lifting bottom plate 23, a filter passage 25 penetrating the connecting top plate 24 and the lifting bottom plate 23 is arranged in the middle of the upper end face of the connecting top plate 24, and stoppers 26 supporting the filter plate 6 are welded at four corners of the filter passage 25 in the matched filter passage 25 of the filter plate 6 (as shown in fig. 3, the material is directly fed after being screened by the filter plate 6).

Specifically, the bottom end face of the sliding bottom plate 15 is symmetrically provided with sliding strips 21 in a protruding mode, the upper end face of the supporting base 1 is symmetrically provided with two groups of sliding grooves which are arranged in parallel and matched with the sliding strips 21, the sliding bottom plate 15 is guaranteed to be stable and not to deviate when moving due to the design of the sliding grooves, and one side of the sliding bottom plate 15 is symmetrically connected with two groups of second electric push rods 19 which are fixedly connected with the side plates 2 and are arranged horizontally.

Specifically, the bottom end face of the slide bar 21 is further provided with an inner groove, wherein a plurality of groups of rollers 22 are mounted in the inner groove in a linear array mode, and the bottom ends of the plurality of groups of rollers 22 are abutted against the bottom end face of the sliding groove, so that the sliding is more labor-saving.

Concretely, still install the controller of control motor 13, first electric putter and 18 second electric putter 19 in supporting base 1, this controller chooses STM32 singlechip for the realization is to electrical equipment's intelligent control.

Specifically, in the using process, firstly, the feeding top cover 5 is opened to send the material into the ball milling box 4 from the feeding port, then the feeding port is sealed, the motor 13 and the second electric push rod 19 are started by the controller, the motor 13 rotates to drive the rotation of the rotating shaft 7 through the meshing of the gears, the rotating shaft 7 rotates to drive the connecting rod 30 and the rotating rod 8 to rotate, so that the material is knocked and crushed by the grinding balls 28 connected with the connecting rod 30, meanwhile, the brush 9 connected with the rotating rod 8 cleans the filter plate 6, the second electric push rod 19 stretches out and draws back to push the sliding bottom plate 15 to slide back and forth and drive the ball milling box 4 to move, so that the connecting rod 30 and the rotating rod 8 on the rotating shaft 7 move horizontally in the ball milling box 4, at the moment, the second electric push rod 19 extends to the longest or the shortest length, one ends of the connecting rod 30 and the rotating rod 8 are respectively close to the two side end positions in the ball milling box 4, carry out the ball-milling thoroughly with the material of guaranteeing in the ball-milling case 4, the material after the ball-milling falls into in filtering channel 25 through filter plate 6, finally drop to receiving in the material collecting device who corresponds on the silo 16 (can be for receiving hopper etc.), when the replacement of filter 6 is carried out to needs, adjust first electric putter 18's shrink by the controller, make filter frame 17 descend, take out the filter 6 replacement can, when needs are changed ball 28, from feed inlet rotating baffle 27, take off baffle 27, and carry out ball 28's replacement, reinstallate baffle 27 can.

Finally, it should be noted that: 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. The utility model provides a lithium cell production is with raw materials intelligence ball-milling equipment, includes support base (1), curb plate (2), ball-milling case (4), crosses filter stand (17) and sliding bottom plate (15), its characterized in that: the side plates (2) are symmetrically welded on two sides of the upper end surface of the supporting base (1), the ball grinding box (4) is arranged between the two groups of side plates (2), the top end of the ball grinding box (4) is provided with a feed inlet, the bottom end is provided with a discharge outlet, a rotating shaft (7) transversely penetrates through the inside of the ball grinding box, two ends of the rotating shaft (7) respectively penetrate through the ball grinding box (4) and are inserted into the bearing seats (3) welded on the side plates (2), the ball mill is rotatably connected with the bearing seat (3), one end of the rotating shaft (7) outside the ball mill box (4) is also in transmission connection with a motor (13) arranged on the side plate (2) through meshing between gears, two side faces of the rotating shaft (7) in the ball mill box (4) are respectively provided with a brush (9) and a grinding ball (28) through a rotating rod (8) and a connecting rod (30), the upper cover of the feeding port is provided with a sealed feeding top cover (5), and a matched filter plate (6) is arranged below the discharging port;

the ball mill is characterized in that the sliding bottom plate (15) is arranged on the supporting base (1) right below the ball mill box (4) and is in sliding connection with the supporting base (1), a material receiving groove (16) vertically corresponding to a material outlet of the ball mill box (4) is formed in the upper end face of the sliding bottom plate (15), four corners of the upper end face of the sliding bottom plate (15) are fixedly welded with the bottom end face of the ball mill box (4) through supporting columns (14), a first electric push rod (18) is further arranged on the sliding bottom plate (15) between the material receiving groove (16) and the supporting columns (14), the top end of the first electric push rod (18) is fixedly welded with four corners of the bottom end face of the filter frame (17), and the filter plate (6) is arranged in the filter frame (17);

the middle position of two groups of side surfaces of the ball grinding box (4) connected with the rotating shaft (7) is also provided with a bearing channel (20), and the rotating shaft (7) is inserted in the bearing channel (20) in a matching way and is rotationally connected with the ball grinding box (4) through a bearing on the bearing channel (20);

the motor (13) is welded on one side face, facing the ball mill box (4), of the group of side plates (2), a driving gear (12) is installed on a machine shaft of the motor (13), a driven gear (10) is fixedly sleeved at one end of the rotating shaft (7) close to the bearing seat (3), and the driving gear (12) is meshed with the driven gear (10) through a toothed chain (11);

the connecting rod (30) and the rotating rod (8) are arranged on two side faces of the rotating shaft (7) in a linear array mode, a brush (9) connected with the rotating rod (8) is abutted to the filter plate (6), an arc-shaped ball groove (29) is formed in the top end of the connecting rod (30), the grinding balls (28) are installed in the ball groove (29), and a baffle plate (27) for blocking the grinding balls (28) is arranged above the grinding balls (28);

the baffle (27) is of a hollow tubular structure with an opening at one side, the outer side of one end of the baffle close to the opening is provided with an external thread, the baffle is matched with an annular thread inner groove formed at the top end of the connecting rod (30), and the middle of a sealing end at the top end is provided with a through hole (31) through which the top end of the grinding ball (28) penetrates;

the filter frame (17) comprises a lifting bottom plate (23) and a connecting top plate (24), four corners of the bottom end face of the lifting bottom plate (23) are welded and fixed with a first electric push rod (18), the connecting top plate (24) is welded in the middle of the upper end face of the lifting bottom plate (23), a filter channel (25) which is communicated with the top plate (24) and the lifting bottom plate (23) is arranged in the middle of the upper end face of the connecting top plate (24), a filter channel (25) which is matched with the filter plate (6) is arranged in the filter channel (25), and stop blocks (26) which support the filter plate (6) are welded at four corners of the filter channel (25);

the bottom end face of the sliding bottom plate (15) is symmetrically provided with sliding strips (21) in a protruding mode, the upper end face of the supporting base (1) is symmetrically provided with two groups of sliding grooves which are arranged in parallel and matched with the sliding strips (21), and one side of the sliding bottom plate (15) is symmetrically connected with two groups of second electric push rods (19) which are fixedly connected with the side plate (2) and are arranged horizontally;

the bottom end face of the slide bar (21) is further provided with an inner groove, wherein a plurality of groups of rollers (22) are mounted in the inner groove in a linear array mode, and the bottom ends of the rollers (22) are abutted against the bottom end face of the sliding groove.