CN115810711B

CN115810711B - Pole piece processing equipment of lithium-manganese button cell

Info

Publication number: CN115810711B
Application number: CN202310091944.3A
Authority: CN
Inventors: 郑金科; 徐剑锋
Original assignee: Changzhou Yufeng Battery Co ltd
Current assignee: Changzhou Yufeng Battery Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-04-14
Anticipated expiration: 2043-02-10
Also published as: CN115810711A

Abstract

The invention discloses pole piece processing equipment of a lithium-manganese button cell, which comprises a feeding device, a blanking device, a compaction device, a detection device, a sorting device, a pole piece die and a turntable, wherein the feeding device is used for feeding lithium-manganese button cells; the feeding device comprises a manganese dioxide particle feeding mechanism and a steel wire mesh feeding mechanism, the compacting device comprises a pre-compacting mechanism and a pole piece forming mechanism, a plurality of pole piece dies are arranged on the periphery of the rotary table, the blanking device comprises a blanking hydraulic cylinder, a blanking plate and a blanking rod, the pole piece forming mechanism comprises a forming hydraulic cylinder and a pressure rod, blanking holes are formed in the blanking plate, the blanking hydraulic cylinder drives the blanking rod to move down to send the steel wire mesh feeding mechanism to the strip steel wire mesh on the blanking plate to be blanked into a circular sheet shape, and the forming hydraulic cylinder drives the pressure rod to extend into the die holes to compact the steel wire mesh and the pole piece pre-compacted into the sheet shape. The invention integrates material feeding, steel wire mesh blanking and placing, extrusion forming, quality detection and sorting, thereby not only improving the production efficiency, but also improving the product quality.

Description

Pole piece processing equipment of lithium-manganese button cell

Technical Field

The invention relates to the technical field of processing equipment, in particular to pole piece processing equipment of a lithium-manganese button cell.

Background

The button cell structure includes negative cover, negative material, diaphragm, positive material and positive shell, and for lithium-manganese button cell, its positive electrode is manganese dioxide pressed into sheet, negative electrode is metal lithium sheet, and its middle is separated by diaphragm, and generally adopts polyethylene propylene or glass fibre material. One side of the positive plate, which is in contact with the positive shell, is embedded with a stainless steel mesh (current collecting mesh) for increasing the conductivity.

Most of domestic lithium manganese battery manufacturers use the tablet press of pharmacy trade to carry out the preforming of raw materials powder, and the tablet press is the rotation type, adds the stainless steel net in the manual preforming mould, not only the speed of screening is very low but also the accuracy can't be guaranteed for production efficiency is not high. The current collecting net can be crushed after being partially placed, waste products are caused, and the crushed net is clamped in the positive plate, so that the product quality is influenced, and the detection is difficult, therefore, the manganese-lithium button cell positive plate production equipment is urgently developed and improved.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the blanking of current collecting net and the processing of pole piece are accomplished by two different equipment, and there is the process of transporting in the middle, reduce production effect, and the current collecting net of artifical placing causes the deviation easily moreover and influences product quality to a lithium manganese button cell's pole piece processing equipment is provided, only needs an equipment just can accomplish the blanking of current collecting net and put, and the pole piece that processes finished product, and production effect is high simultaneously, still has the effect that improves product quality.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a pole piece processing device of a lithium-manganese button cell comprises a feeding device, a blanking device, a compacting device, a detecting device, a sorting device, a pole piece die and a turntable;

the feeding device comprises a manganese dioxide particle feeding mechanism and a steel wire mesh feeding mechanism, the compacting device comprises a pre-compacting mechanism and a pole piece forming mechanism, a plurality of pole piece molds are arranged and distributed on the periphery of the rotary table, are driven by the rotary table to rotate circumferentially and sequentially pass through the manganese dioxide particle feeding mechanism, the pre-compacting mechanism, the blanking device, the pole piece forming mechanism, the detection device and the sorting device;

the blanking device comprises a blanking hydraulic cylinder, a blanking plate and a blanking rod, the pole piece forming mechanism comprises a forming hydraulic cylinder and a pressure rod, the blanking plate is suspended above one pole piece die at the beginning, blanking holes with the same aperture as the die holes on the pole piece die are formed in the blanking plate, the blanking hydraulic cylinder drives the blanking rod to move downwards to send the steel wire mesh feeding mechanism to the strip steel wire mesh on the blanking plate to be blanked into a circular sheet shape, and after the circular steel wire mesh falls into the die holes on the pole piece die, the forming hydraulic cylinder drives the pressure rod to extend into the die holes to compact the steel wire mesh and the pole piece pre-pressed into a sheet shape;

the detection device is used for detecting the thickness of the pole piece in the die hole, transmitting the detection result to the sorting device, and collecting and classifying the pole piece from the pole piece die by the sorting device according to preset conditions.

Preferably: the utility model discloses a wire mesh and pre-compaction flakiness pole piece punching press, including punching hydraulic cylinder, pressure bar, first executor and second executor, the punching hydraulic cylinder sets up to double dynamical pneumatic cylinder with the pneumatic cylinder sharing, punching bar and pressure bar sharing set up to punching bar, double dynamical pneumatic cylinder's both sides are provided with first executor and second executor respectively, work as when double dynamical pneumatic cylinder punches the wire mesh, by first executor drive punching bar, work as double dynamical pneumatic cylinder presses wire mesh and pre-compaction flakiness pole piece in real time, by second executor drive punching bar.

Preferably: still include the rim plate, blanking device and compaction device all are provided with a plurality ofly, and are a plurality of blanking device and compaction device circumference are evenly installed on the rim plate, the blanking device sets up between pre-compaction mechanism and pole piece forming mechanism, the center of rim plate is provided with hollow material loading district, steel wire net feed mechanism sets up in the top in material loading district, steel wire net feed mechanism is including drawing the compression roller and advancing the gear, it sets up in the one side of drawing the relative blanking device of compression roller to advance the gear, be provided with the tooth with the wire net meshing on advancing the outer periphery of gear, one side of advancing the relative blanking device of gear is provided with cuts the mechanism, works as when blanking device blanked strip wire net into the disc, it is used for cutting off the strip steel wire pipe end that becomes the waste material to cut the mechanism.

Preferably: the detection device comprises a detection support and a pneumatic micrometer, wherein the pneumatic micrometer comprises a detection cylinder and a plurality of grating type micrometers forming a matrix, the cylinder body of the detection cylinder is fixedly connected with the detection support, a cross rod is fixedly connected onto a piston rod of the detection cylinder, one side of the cross rod is connected with the detection support in a sliding mode, and the grating type micrometers are all installed on the cross rod.

Preferably: the sorting device comprises a non-defective product discharging mechanism and a defective product discharging mechanism, the non-defective product discharging mechanism and the defective product discharging mechanism are distributed in a rotating path of a pole piece die, the non-defective product discharging mechanism comprises an ejector rod, a discharging table, a cover plate, a material pipe and a material pushing part, a discharging groove and a discharging hole are formed in the upper end face of the discharging table, the discharging hole and the discharging groove are arranged at intervals, a material guide groove is formed between the discharging hole and the discharging groove, the top end of the material pipe which is obliquely arranged from top to bottom is communicated with the bottom end of the discharging groove, the discharging hole is located above a die hole in the pole piece die, the cover plate covers the top end of the discharging table, the material pushing part is installed at the upper end of the discharging table and is close to the discharging hole, when the ejector rod pushes the pole piece out of the upper end of the discharging hole, the material pushing part is used for shifting the pole piece on the ejector rod into the material guide groove, the defective product discharging mechanism comprises a lower ejector pin and a defective product collecting bin, the defective product collecting bin is located below the pole piece die, and the lower ejector pin is used for pushing out defective products in the die and dropping into the collecting bin.

Preferably: a plurality of model holes in a matrix are formed in the pole piece die, and the number of the ejector rods is the same as that of the model holes.

Preferably: the pole piece mould includes mould, upper bracket, perpendicular cylinder, lower mould, lower carriage, horizontal cylinder, die block and accepts the cylinder, go up the mould and pass through the piston rod fixed connection of upper bracket and perpendicular cylinder, the lower mould passes through the piston rod fixed connection of lower carriage and horizontal cylinder, the material hole of seting up in last mould is when adding manganese dioxide granule, the material hole is coaxial with the model hole to the bottom in material hole and the top concatenation in model hole, in the beginning, the die block links up in the bottom of lower mould, removes sorting device department when the pole piece mould, the die block is separated with the lower mould by accepting cylinder drive translation, the cylinder body of perpendicular cylinder, horizontal cylinder and the cylinder body of accepting the cylinder all set up in the carousel.

Preferably: the pole piece mold comprises a material pushing piece, a material guide groove, a material discharging hole, a material guide groove, a material discharging hole and a rotary table, wherein the material pushing piece is made of an elastic sheet material, the material guide groove and the material discharging hole are arranged in a step shape, a sliding groove communicated with the material guide groove is formed in the side wall of the material discharging hole, the sliding groove is arranged in an inclined mode from top to bottom, the material pushing piece and the sliding groove are symmetrically arranged, the material discharging hole is provided with a plurality of groups, the group number is the same as the row number of the model holes, when the pole piece mold is in a material discharging state, after a pole piece is discharged from one group of material discharging holes, the rotary table rotates to circumferentially move the pole piece mold to the next group of material discharging holes, and meanwhile, the pole piece mold is driven by a horizontal air cylinder to radially move to the position below the group of material discharging holes.

Preferably: the turntable and the wheel disc are controlled to rotate by a power device, the power device comprises a first speed reduction motor, a first transmission shaft, a second speed reduction motor and a second transmission shaft, the turntable is in transmission connection with the first speed reduction motor through the first transmission shaft, and the wheel disc is in transmission connection with the second speed reduction motor through the second transmission shaft.

Preferably: the manganese dioxide particle feeding mechanism comprises a hopper, a transfer bin, a material guide plate, a baffle, a base and a limit push plate, wherein the hopper is installed at the top of the transfer bin, a bottom plate of the transfer bin is arranged in an up-down inclined mode, a discharge opening is formed in the position close to a side plate of the transfer bin, a material hole penetrating through the material guide plate from top to bottom is formed in the material guide plate, an air hole communicated with the material hole is further formed in the side wall of the bottom end of the material guide plate, a feeding groove is formed in the base, the top end of the material hole is communicated with the discharge opening, the bottom end of the material hole is communicated with the feeding groove, the baffle and the limit push plate are located on two opposite sides of the material guide plate, the limit push plate is used for pushing materials in the feeding groove towards the baffle, a leak hole is formed in one end, close to the baffle, the feeding groove moves to a pole piece die below the base, and a die hole in the feeding groove is located right below the leak hole.

The invention has the beneficial effects that: manganese dioxide particle materials are fed into a model hole of a pole piece die through a manganese dioxide particle feeding mechanism, the pole piece die with the manganese dioxide particle materials added inside is sequentially pre-compressed through a pre-compacting mechanism by rotation of a rotary disc, a blanking device blanks a current collecting net into a circular sheet shape and pushes the circular sheet shape into the pole piece die, a pole piece forming mechanism compresses the current collecting net and the pre-compacted materials into finished pole pieces, a detection device detects the quality of the finished pole pieces in the pole piece die, and a sorting device unloads and sorts the detected products from the pole piece die.

Drawings

Fig. 1 is a first schematic diagram of a pole piece processing device of a lithium manganese button cell;

fig. 2 is a schematic diagram of a second electrode plate processing device of the lithium manganese button cell;

FIG. 3 is a schematic view of a manganese dioxide particle feeding mechanism;

FIG. 4 is a schematic view of a transfer chamber;

fig. 5 is a schematic view of a blanking device and a compacting device;

FIG. 6 is a schematic view of a wire mesh feeding mechanism;

FIG. 7 is a schematic view of a travel gear;

FIG. 8 is a schematic view of a discharge table;

FIG. 9 is a schematic view of a pole piece mold mounted on a turntable;

FIG. 10 is a schematic view of a pneumatic micrometer;

in the figure: 1. a feeding device; 11. a manganese dioxide particle feeding mechanism; 111. a hopper; 112. a transfer bin; 113. a material guide plate; 114. a baffle plate; 115. a base; 116. a limiting push plate; 12. a steel wire net feeding mechanism; 121. drawing the compression roller; 122. a traveling gear; 1221. teeth; 2. a blanking device; 21. blanking hydraulic cylinders; 22. punching a plate; 23. blanking the rods; 3. a compaction device; 31. a pre-compaction mechanism; 311. a pre-compression bar; 32. a pole piece forming mechanism; 321. a pressure lever; 4. a detection device; 41. detecting the bracket; 42. a pneumatic micrometer; 421. detecting a cylinder; 422. a grating type micrometer; 423. a cross bar; 5. a sorting device; 51. a good product discharging mechanism; 511. a discharging table; 512. pushing the material part; 513. a cover plate; 514. a material pipe; 515. a top rod; 6. a pole piece die; 61. an upper die; 62. an upper bracket; 63. a vertical cylinder; 64. a lower die; 65. a lower bracket; 66. a horizontal cylinder; 67. bottom die; 68. a bearing cylinder; 7. a turntable; 8. a wheel disc; 81. a feeding area; 811. a cutting mechanism; 8111. cutting a cylinder; 8112. shearing a plate; 9. and (7) a machine cabin.

Detailed Description

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is to be noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless stated to the contrary, the use of the terms "up" and "down" generally refer to the orientation as shown in the drawings, or to the vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; "inner and outer" refer to inner and outer relative to the contour of the respective member itself, but the above directional terms are not intended to limit the present invention.

According to the figures 1-2, the pole piece processing equipment for the lithium-manganese button cell comprises a machine cabin 9, a feeding device 1, a blanking device 2, a compacting device 3, a detection device 4, a sorting device 5, a pole piece mold 6, a rotary disc 7 and a rotary disc 8, wherein the feeding device 1 is installed in the machine cabin 9, the compacting device 3 comprises a pre-compacting mechanism 31 and a pole piece forming mechanism 32, the sorting device 5 comprises a good product discharging mechanism 51 and a defective product discharging mechanism, the good product discharging mechanism 51 and the defective product discharging mechanism are distributed in a rotating path of the pole piece mold 6, the pole piece molds 6 are provided with a plurality of pole piece molds 6 and are evenly distributed on the rotary disc 7 at intervals in the circumferential direction, the blanking device 2 and the compacting device 3 are both provided with a plurality of pole pieces, and the plurality of blanking devices 2 and the compacting device 3 are evenly installed on the rotary disc 8 in the circumferential direction.

As shown in fig. 3-4, the manganese dioxide granule feeding mechanism 11 includes a hopper 111, a transfer bin 112, a material guiding plate 113, a baffle plate 114, a base 115 and a limit pushing plate 116, the hopper 111 is installed at the top of the machine cabin 9, the transfer bin 112 is installed at the bottom of the hopper 111, a bottom plate of the transfer bin 112 is arranged in an up-down inclined manner, a discharging opening is arranged near a side plate of the transfer bin 112, a material hole penetrating up and down is formed in the material guiding plate 113, an air hole communicated with the material hole is further formed in a side wall of the bottom end of the material guiding plate 113, a feeding groove is formed in the base 115, the top end of the material hole is communicated with the discharging opening, the bottom end of the material hole is communicated with the feeding groove, the baffle plate 114 and the limit pushing plate 116 are located at two opposite sides of the material guiding plate 113, the feeding groove is provided with a leakage hole at one end near the baffle plate 114, a mold hole on the pole piece mold 6 moving to the lower side of the base 115 is located right below the leakage hole, the limit pushing plate 116 pushes the material in the material feeding groove towards the baffle plate 114 by a single cylinder drive, until the material in the leakage hole falls into the mold hole.

The blanking device 2 and the compacting device 3 have two embodiments, namely: the blanking device 2 comprises a blanking hydraulic cylinder 21, a blanking plate 22 and a blanking rod 23, the pole piece forming mechanism 32 comprises a forming hydraulic cylinder and a pressure rod 321, the precompression mechanism 31 comprises a precompression hydraulic cylinder and a precompression rod 311, the blanking hydraulic cylinder 21, the forming hydraulic cylinder and the precompression hydraulic cylinder are jointly selected to be double-power hydraulic cylinders, the blanking rod 23, the pressure rod 321 and the precompression rod 311 are jointly selected to be a stamping rod, the double-power hydraulic cylinders drive the stamping rods to move up and down, each stamping rod is correspondingly provided with one blanking plate 22, when the pole piece die 6 moves to the wheel disc 8 position, the double-power hydraulic cylinders firstly drive the stamping rods to move down to the pole piece die 6 to precompress and lift the granular materials, then the steel wire mesh feeding mechanism 12 sends the strip-shaped steel wire mesh to the punching plate 22, the double-power hydraulic cylinder drives the punching rod to move downwards again to punch the steel wire mesh into a wafer shape, the punching rod moves downwards continuously to compact the wafer-shaped steel wire mesh (current collecting net) and the manganese dioxide material, a first actuator and a second actuator (the double-power hydraulic cylinder is a power element which is commercially available here, the first actuator drives the punching rod when the double-power hydraulic cylinder pre-compacts and punches the steel wire mesh, and the second actuator drives the punching rod when the double-power hydraulic cylinder presses the steel wire mesh and the sheet-shaped pole piece pre-compacted; in the second embodiment (as shown in fig. 5), different from the first embodiment, the blanking hydraulic cylinder 21, the forming hydraulic cylinder and the pre-pressing hydraulic cylinder are separately provided, the blanking rod 23, the pressure rod 321 and the pre-pressing rod 311 are also separately provided, the top end of the blanking rod 23 is coaxially and fixedly connected with the hydraulic shaft of the blanking hydraulic cylinder 21, the top end of the pressure rod 321 is coaxially and fixedly connected with the hydraulic shaft of the forming hydraulic cylinder, the top end of the pre-pressing rod 311 is coaxially and fixedly connected with the hydraulic shaft of the pre-pressing hydraulic cylinder, the blanking hydraulic cylinder 21 and the forming hydraulic cylinder are sequentially distributed at intervals around the wheel disc 8, the pre-pressing hydraulic cylinder, the blanking hydraulic cylinder 21 and the forming hydraulic cylinder are provided with a plurality of hydraulic cylinders, when the pole piece die 6 moves to the position of the wheel disc 8, the wheel disc 8 rotates to first enable the pre-pressing rod 311 to be located above the pole piece die 6, the pre-pressing hydraulic cylinder drives the pre-pressing rod 311 to move down into the pole piece die 6 to pre-press and then lift back up, the blanking rod 23 and the blanking plate 22 moves to the driving die 6 to move into the steel wire mesh die, the steel wire mesh die after the steel wire mesh is pressed, the steel wire mesh is formed by pushing the steel wire mesh die, the steel wire mesh die.

As shown in fig. 5 to 7, a hollow feeding area 81 is disposed in the center of the wheel disc 8, the steel wire mesh feeding mechanism 12 is disposed above the feeding area 81, the steel wire mesh feeding mechanism 12 includes a traction pressure roller 121, a traveling gear 122 and a discharge wheel, the steel wire mesh strip is initially wound into a cylindrical shape and then mounted on the discharge wheel, the discharge wheel is located above the feeding area 81 to facilitate placement of the steel wire mesh, the traveling gear 122 is disposed on one side of the traction pressure roller 121 opposite to the blanking device 2, teeth 1221 meshed with the steel wire mesh are disposed on the outer circumferential surface of the traveling gear 122, a cutting mechanism 811 is disposed on one side of the traveling gear 122 opposite to the blanking device 2, and when the blanking device 2 blanks the steel wire mesh strip into a circular sheet shape, the cutting mechanism 811 is used for cutting off the end of the steel wire mesh strip which becomes waste. One side of the relatively marching gear 122 of punching and cutting board 22 is provided with the cutting edge, cut mechanism 811 including cutting cylinder 8111 and shear plate 8112, the top of shear plate 8112 and the piston rod fixed connection who cuts cylinder 8111, cut cylinder 8111 drive shear plate 8112 and descend and cut strip wire net with the cooperation of cutting the board, the wire net after cutting removes along with cutting the board, later will cut the wire net waste material hook on the board by receiving the material cylinder and get the collection (the wire net that can also give through follow-up ejecting with the waste material, then place the garbage collection box between rim plate 8 and carousel 7, the waste material that is ejected drops in the garbage collection box), the setting of marcing gear 122 is used for driving the wire net and removes forward. In addition, the traveling gear 122 can be replaced, and the traveling gear 122 with the corresponding teeth is selected according to the steel wire meshes with different shapes.

As shown in fig. 1 to 8, the non-defective product discharging mechanism 51 includes a top bar 515, a discharging table 511, a cover plate 513, a material pipe 514, and a pushing member 512, wherein a discharging chute and a discharging hole are formed on an upper end surface of the discharging table 511, the discharging hole and the discharging chute are arranged at an interval, a material guiding groove is formed between the discharging hole and the discharging chute, a top end of the material pipe 514, which is arranged in an inclined manner, is communicated with a bottom end of the discharging chute, the discharging hole is located above a molding hole on the pole piece mold 6, the cover plate 513 covers a top end of the discharging table 511, the pushing member 512 is mounted on an upper end of the discharging table 511 and is arranged close to the discharging hole, when the top bar 515 is driven by a jacking pneumatic actuator to push a pole piece out from an upper end of the discharging hole, the pushing member 512 is used to toggle the material pipe on the top bar 515 into a material groove, the defective product discharging mechanism includes a lower ejector pin and a defective product collecting bin, the defective product collecting bin is located below the pole piece mold 6, the lower ejector pin is driven by a lower jacking cylinder and is used to push out the pole piece from the defective product collecting bin into the lower product collecting bin, and the jacking cylinder and the lower jacking cylinder is connected with the pneumatic micrometer 42. The material pushing part 512 is made of elastic sheet materials, the material guide grooves and the discharge holes are arranged in a step shape, sliding grooves communicated with the material guide grooves are formed in the side walls of the discharge holes, the sliding grooves are arranged in an up-down inclined mode, the material pushing part 512 and the sliding grooves are symmetrically arranged, the discharge holes are provided with a plurality of groups, the group number is the same as the row number of the model holes, when the pole piece mold 6 is in a discharge state, after pole pieces are discharged from one group of discharge holes, the rotary disc 7 rotates to move the pole piece mold 6 to the next group of discharge holes in the circumferential direction, and meanwhile, the pole piece mold 6 is driven by the horizontal cylinder 66 to move radially below the group of discharge holes.

According to fig. 9, the pole piece mold 6 includes an upper mold 61, an upper bracket 62, a vertical cylinder 63, a lower mold 64, a lower bracket 65, a horizontal cylinder 66, a bottom mold 67, and a receiving cylinder 68, the upper mold 61 is fixedly connected to a piston rod of the vertical cylinder 63 through the upper bracket 62, the lower mold 64 is fixedly connected to a piston rod of the horizontal cylinder 66 through the lower bracket 65, a material hole formed in the upper mold 61 is coaxial with a mold hole when manganese dioxide particles are added, and the bottom of the material hole is spliced to the top of the mold hole. The inner diameter of the material holes is equal to that of the model holes, the material holes are arranged in two rows, each row of material holes is provided with a plurality of material holes, the number of the material holes is equal to that of the model holes, the distance between every two adjacent material holes is equal to that between every two adjacent model holes, the number of the ejector rods 515 is equal to that of the model holes, the bottom die 67 is always connected to the bottom of the lower die 64 initially, and the material holes are only driven by the bearing air cylinder 68 to move horizontally to be separated from the lower die 64 at the position of the sorting device 5. The jacking cylinder and the lower jacking cylinder are provided with a plurality of cylinders, the number of the jacking cylinders is equal to that of the model holes, and in addition, the cylinder body of the vertical cylinder 63, the cylinder body of the horizontal cylinder 66 and the cylinder body of the bearing cylinder 68 are all installed in the rotary table 7.

Carousel 7 and rim plate 8 are rotatory by power device control, and power device includes first gear motor, first transmission shaft, second gear motor and second transmission shaft, and carousel 7 is connected with first gear motor transmission through first transmission shaft, and rim plate 8 is connected with second gear motor transmission through the second transmission shaft, and carousel 7 rotates once, and rim plate 8 rotates the cubic.

According to fig. 10, detection apparatus 4 includes detection support 41 and pneumatic micrometer 42, pneumatic micrometer 42 includes a plurality of grating formula micrometer 422 that detects cylinder 421 and become the matrix, the cylinder body and the detection support 41 fixed connection that detect cylinder 421, fixedly connected with horizontal pole 423 on the piston rod of detection cylinder 421, one side and the detection support 41 sliding connection of horizontal pole 423, the stability that guarantee horizontal pole 423 reciprocated, a plurality of grating formula micrometer 422 all install on horizontal pole 423, detection cylinder 421 drive grating formula micrometer 422 descends and stretches into in the model hole of pole piece mould 6, whether thickness for detecting finished product pole piece accords with the standard.

Referring to fig. 1 to 10, manganese dioxide particle materials are fed into a model hole of a pole piece die 6 through a manganese dioxide particle feeding mechanism 11, the pole piece die 6 with the manganese dioxide particle materials added inside is rotated through a turntable 7, pre-compression is sequentially carried out on the materials through a pre-compacting mechanism 31, a blanking device 2 is used for blanking a current collecting net into a circular sheet shape and pushing the circular sheet shape into the pole piece die 6, a pole piece forming mechanism 32 is used for compressing the current collecting net and the pre-compacted materials into finished pole pieces, a detection device 4 is used for carrying out quality detection on the finished pole pieces in the pole piece die 6, and a sorting device 5 is used for unloading and sorting the detected products from the pole piece die 6.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pole piece processing device of a lithium manganese button cell is characterized in that: the automatic pole piece punching machine comprises a feeding device (1), a blanking device (2), a compaction device (3), a detection device (4), a sorting device (5), a pole piece die (6) and a turntable (7);

the feeding device (1) comprises a manganese dioxide particle feeding mechanism (11) and a steel wire mesh feeding mechanism (12), the compacting device (3) comprises a pre-compacting mechanism (31) and a pole piece forming mechanism (32), a plurality of pole piece molds (6) are arranged and distributed on the periphery of the rotary table (7), are driven by the rotary table (7) to rotate circumferentially and sequentially pass through the manganese dioxide particle feeding mechanism (11), the pre-compacting mechanism (31), the blanking device (2), the pole piece forming mechanism (32), the detection device (4) and the sorting device (5);

the blanking device (2) comprises a blanking hydraulic cylinder (21), a blanking plate (22) and a blanking rod (23), the pole piece forming mechanism (32) comprises a forming hydraulic cylinder and a pressure rod (321), initially, the blanking plate (22) is suspended above one of the pole piece molds (6), blanking holes with the same aperture as the pattern holes in the pole piece molds (6) are formed in the blanking plate (22), the blanking hydraulic cylinder (21) drives the blanking rod (23) to move downwards to send the steel wire mesh feeding mechanism (12) to the strip steel wire meshes on the blanking plate (22) to be blanked into circular sheet shapes, and the circular steel wire meshes are driven to fall into the pattern holes in the pole piece molds (6) and then extend into the pattern holes by the forming hydraulic cylinder (321) to compact the steel wire meshes and the pre-pressed flaky pole pieces;

the detection device (4) is used for detecting the thickness of the pole piece in the die hole, transmitting the detection result to the sorting device (5), and the sorting device (5) collects and classifies the pole piece from the pole piece die (6) according to preset conditions.

2. The pole piece processing equipment of the lithium-manganese button cell battery as claimed in claim 1, which is characterized in that: blanking pneumatic cylinder (21) and the sharing of pneumatic cylinder that takes shape set up to double dynamical pneumatic cylinder, blanking pole (23) and pressure bar (321) share sets up to the punching rod, the both sides of double dynamical pneumatic cylinder are provided with first executor and second executor respectively, work as when double dynamical pneumatic cylinder blanking wire net, by first executor drive punching rod works as double dynamical pneumatic cylinder presses wire net and the flaky pole piece of pre-compaction real-time, by second executor drive punching rod.

3. The pole piece processing equipment of the lithium-manganese button cell battery as claimed in claim 1, which is characterized in that: still include rim plate (8), blanking device (2) and compaction device (3) all are provided with a plurality ofly, and are a plurality of blanking device (2) and compaction device (3) circumference are evenly installed on rim plate (8), blanking device (2) set up between pre-compaction mechanism (31) and pole piece forming mechanism (32), the center of rim plate (8) is provided with hollow material loading district (81), steel wire net feeding mechanism (12) set up in the top of material loading district (81), steel wire net feeding mechanism (12) are including drawing compression roller (121) and advancing gear (122), advancing gear (122) set up in the one side of drawing compression roller (121) relative blanking device (2), be provided with tooth (1221) with the wire net meshing on advancing gear's the outer periphery, one side of advancing gear (122) relative blanking device (2) is provided with cuts mechanism (811), works as when blanking device (2) becomes the round piece shape with the steel wire net with the blanking mechanism, it is used for cutting off the steel wire pipe end that becomes the waste material.

4. The pole piece processing equipment of the lithium-manganese button cell battery as claimed in claim 1, which is characterized in that: detection device (4) are including detecting support (41) and pneumatic micrometer (42), pneumatic micrometer (42) are including detecting cylinder (421) and a plurality of grating micrometer (422) that become the matrix, the cylinder body and the detection support (41) fixed connection of detecting cylinder (421), fixedly connected with horizontal pole (423) on the piston rod of detecting cylinder (421), one side and the detection support (41) sliding connection of horizontal pole (423), it is a plurality of grating micrometer (422) all install on horizontal pole (423).

5. The pole piece processing equipment of the lithium-manganese button cell battery as claimed in claim 1, which is characterized in that: the sorting device (5) comprises a non-defective product discharging mechanism (51) and a defective product discharging mechanism, the non-defective product discharging mechanism (51) and the defective product discharging mechanism are distributed in a rotating path of the pole piece mold (6), the non-defective product discharging mechanism (51) comprises an ejector rod (515), a discharging platform (511), a cover plate (513), a material pipe (514) and a pushing part (512), a discharging groove and a discharging hole are formed in the upper end surface of the discharging platform (511), the discharging hole and the discharging groove are arranged at intervals, a guide chute is formed between the discharging hole and the discharging groove, the top end of the material pipe (514) which is obliquely arranged up and down is communicated with the bottom end of the discharging groove, the discharging hole is located above a mold hole in the pole piece mold (6), the cover plate (513) covers the top end of the discharging platform (511), the pushing part (512) is installed at the upper end of the discharging platform (511) and is close to the discharging hole, when the ejector rod (515) pushes the pole piece out from the upper end of the discharging hole, the pushing part (512) is used for pushing the pole piece on the ejector rod (515) into the guide chute, the defective product discharging mechanism and the ejector rod mold and the ejector pin collecting bin is used for collecting the defective product collecting bin for collecting the pole piece mold (6).

6. The pole piece processing equipment of the lithium-manganese button cell battery as claimed in claim 5, which is characterized in that: a plurality of model holes in a matrix are formed in the pole piece die (6), and the number of the ejector rods (515) is the same as that of the model holes.

7. The pole piece processing equipment of the lithium-manganese button cell battery as claimed in claim 6, which is characterized in that: pole piece mould (6) are including last mould (61), upper bracket (62), perpendicular cylinder (63), lower mould (64), lower carriage (65), horizontal cylinder (66), die block (67) and accept cylinder (68), go up mould (61) through the piston rod fixed connection of upper bracket (62) with perpendicular cylinder (63), lower mould (64) are through the piston rod fixed connection of lower carriage (65) with horizontal cylinder (66), the material hole of seting up in last mould (61) is when adding manganese dioxide granule, the material hole is coaxial with the model hole to the bottom of material hole and the top concatenation in model hole, at first, die block (67) link up in the bottom of lower mould (64), when pole piece mould (6) remove to sorting device (5) department, die block (67) are by accepting cylinder (68) drive translation and lower mould (64) separation, the cylinder body of perpendicular cylinder (63), the cylinder body of horizontal cylinder (66) and the cylinder body of accepting cylinder (68) all set up in carousel (7).

8. The pole piece processing equipment of the lithium-manganese button cell battery as claimed in claim 7, wherein: the pole piece mold is characterized in that the pushing part (512) is made of an elastic sheet material, the guide chute and the discharge hole are arranged in a step shape, sliding chutes communicated with the guide chute are formed in the side wall of the discharge hole, the sliding chutes are arranged in an inclined manner from top to bottom, the pushing part (512) and the sliding chutes are symmetrically arranged, the discharge hole is provided with a plurality of groups, the group number of the groups of the discharge holes is the same as the row number of the model holes, when the pole piece mold (6) is in a discharge state, after a pole piece is discharged from one group of the discharge holes, the turntable (7) rotates to circumferentially move the pole piece mold (6) to the next group of the discharge holes, and meanwhile, the pole piece mold (6) is driven by the horizontal cylinder (66) to radially move to the position below the group of the discharge holes.

9. The pole piece processing equipment of the lithium-manganese button cell battery as claimed in claim 3, which is characterized in that: carousel (7) and rim plate (8) all have power device control rotatory, power device includes first gear motor, first transmission shaft, second gear motor and second transmission shaft, carousel (7) are connected with first gear motor transmission through first transmission shaft, rim plate (8) are connected with second gear motor transmission through the second transmission shaft.

10. The pole piece processing equipment of the lithium-manganese button cell battery as claimed in claim 1, which is characterized in that: the manganese dioxide particle feeding mechanism (11) comprises a hopper (111), a transfer bin (112), a material guide plate (113), a baffle plate (114), a base (115) and a limit push plate (116), wherein the hopper (111) is installed at the top of the transfer bin (112), a bottom plate of the transfer bin (112) is arranged in an up-down inclined mode, a discharge opening is formed in the position close to a side plate of the transfer bin (112), a material hole penetrating through the material guide plate (113) from top to bottom is formed in the material guide plate (113), an air hole communicated with the material hole is further formed in the side wall of the bottom end of the material guide plate (113), a feeding groove is formed in the base (115), the top end of the material hole is communicated with the discharge opening, the bottom end of the material hole is communicated with a feeding groove, the baffle plate (114) and the limit push plate (116) are located on the two opposite sides of the material guide plate (113), the limit push plate (116) is used for pushing materials in the feeding groove towards the baffle plate (114), a leakage hole is formed in one end close to the baffle plate (114) and moves to a pole piece die (6) below the base (115), and a leakage hole of a die located below the leakage hole.