CN108906668B - Sorting method of lithium cell sorting device - Google Patents
Sorting method of lithium cell sorting device Download PDFInfo
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- CN108906668B CN108906668B CN201810786095.2A CN201810786095A CN108906668B CN 108906668 B CN108906668 B CN 108906668B CN 201810786095 A CN201810786095 A CN 201810786095A CN 108906668 B CN108906668 B CN 108906668B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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Abstract
The invention discloses a sorting method of a lithium battery cell sorting device, which is characterized by comprising the following steps: the sorting device comprises a feeding mechanism, a detection mechanism, a gathering conversion mechanism and a sorting mechanism, wherein the feeding mechanism comprises a feeding fixed block and a feeding channel; the detection mechanism comprises a detection turntable, and a plurality of electric core cylinders are uniformly distributed on the detection turntable; the lithium battery cores are erected on the conveying belt through the material gathering and converting mechanism; the sorting mechanism comprises a main sorting channel, two first branch sorting channels and a first shifting plate; the sorting method comprises the following steps: placing the lithium battery cell into a blanking channel, intermittently rotating a test disc, and enabling the lithium battery cell to fall into a battery cell groove on the test disc; the electrical property testing component carries out electrical property parameter testing; the tested lithium battery is vertically arranged on the conveyer belt; the lithium cell gets into main sorting channel, and first group board rotates, and the lithium cell gets into in one of them first sorting channel. The invention provides a sorting method of a lithium battery cell sorting device, which is used for realizing automatic sorting of lithium battery cells and improving the sorting efficiency.
Description
Technical Field
The invention relates to the field of lithium batteries, in particular to a sorting method of a lithium battery sorting device.
Background
As a new energy storage device, a lithium battery cell has been increasingly valued by people because of its advantages of high specific energy, high specific power, high working voltage, low self-discharge, good cycle performance, and environmental friendliness. At present, in the lithium battery cell production industry, the charge and discharge performance, the cycle life and the safety performance of a single lithium battery cell generally meet the technical standards of the industry, the country and the international industry, however, once a plurality of lithium battery cells are combined (for example, connected in series) according to a certain mode for use, the technical parameters (voltage, capacity, internal resistance and the like) of each lithium battery cell are mismatched due to the consistency difference of the manufacturing process, the ohmic polarization impedance inside the battery cell is further caused, and the difference of the transmission impedances of the reaction substances participating in the battery cell is generated, if the difference is too large, the real-time voltage distribution of each lithium battery cell is not uniform inevitably generated when the battery pack works, the overcharge or the overdischarge is caused, the service performance of the battery pack is deteriorated, for example, the capacity is reduced rapidly, the cycle life is attenuated, and even more, the safety. Therefore, a sorting and grouping method for a plurality of lithium ion batteries becomes important.
Therefore, China with the prior publication number of CN106862094A discloses an automatic polymer battery detection sorting machine, which comprises a rack, wherein a PLC is arranged in the rack, a feeding mechanism, a detection mechanism, a sorting mechanism and a discharging mechanism are arranged on the rack, the feeding mechanism, the detection mechanism, the sorting mechanism and the discharging mechanism are respectively controlled by the PLC, and the detection mechanism is a CCD detection mechanism and a voltage/internal resistance detection mechanism; the arranging mechanism is a fixed-length cutting mechanism and a lug leveling mechanism for the battery cell lug; a sorting cartridge clip is also arranged between the sorting mechanism and the discharging mechanism; the sorting cartridge clip comprises at least one good product cartridge clip and a defective product cartridge clip which are respectively communicated with a good product discharging mechanism and a defective product discharging mechanism of the discharging mechanism; the feeding mechanism comprises a feeding manipulator and a feeding platform; a sorting manipulator is arranged between the sorting cartridge clip and the arranging mechanism; the feeding mechanical arm and the sorting mechanical arm are respectively connected with the PLC.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides a sorting method of a lithium battery cell sorting device, which realizes automatic sorting of lithium battery cells, improves sorting efficiency and reduces labor intensity of workers.
The technical scheme adopted by the invention for solving the technical problems is as follows: the sorting method of the lithium battery cell sorting device comprises a feeding mechanism, a detection mechanism, a material gathering conversion mechanism and a sorting mechanism, and is characterized in that: the feeding mechanism comprises a feeding fixing block, a feeding channel and a feeding cylinder, wherein an electric core groove for transversely accommodating a lithium battery core is formed in the feeding fixing block, the feeding channel is vertically arranged right above the electric core groove, the feeding cylinder is positioned on one side of the feeding fixing block, and a piston rod of the feeding cylinder is opposite to the electric core groove;
the detection mechanism comprises a detection rotary table and a detection controller, the detection rotary table is positioned on the other side of the feeding fixed block, the detection controller is used for measuring electrical parameters of the lithium battery cell, a plurality of battery cell cylinders used for containing the lithium battery cell are uniformly distributed on the outer peripheral wall of the detection rotary table, a negative electrode detection sheet is arranged at the inner end of each battery cell cylinder, a spring is arranged on the inner side wall of each negative electrode detection sheet, a detection electromagnet is arranged at the inner end of each battery cell cylinder in the detection rotary table, an end cover is rotatably arranged on the outer port of each battery cell cylinder, an anode detection sheet is arranged on each end cover, and the negative electrode detection sheet and the anode detection sheet are respectively and electrically connected with the detection controller;
the gathering and converting mechanism comprises a gathering component and a converting component, the gathering component comprises a material suction cylinder opposite to one of the electric core cylinders, a rotating wheel and a gathering channel, a material suction electromagnet is arranged at an inlet of the material suction cylinder, an outlet of the material suction cylinder is opposite to the end surface of the rotating wheel, a plurality of accommodating grooves for accommodating lithium electric cores are uniformly distributed on the peripheral wall of the rotating wheel, one end of the gathering channel is arranged at the outer side wall of the rotating wheel, the converting component comprises a first shifting wheel, a second shifting wheel, a first guide rail, a second guide rail, a third guide rail, a conveying belt and a baffle plate, the first shifting wheel is arranged at the tail end of the gathering channel and used for conveying the lithium electric cores, the first guide rail extends between the tail end of the gathering channel and the first shifting wheel to form a conveying gap, the second guide rail is arranged between the first shifting wheel and the conveying belt, the third guide rail is arranged between the second shifting wheel and the conveying belt, a channel for conveying and separating the lithium, the baffle is vertically arranged on the side part of the conveying belt, the third guide rail extends to the position of the baffle above the conveying belt, and the second shifting wheel and the first shifting wheel are arranged in parallel and used for conveying and separating the lithium battery cores in the channel;
the sorting mechanism comprises a main sorting channel communicated with the conveying belt and two first branch sorting channels communicated with the tail ends of the main sorting channels, the tail end of each first branch sorting channel is communicated with two second branch sorting channels, a first shifting plate is rotatably arranged at the intersection of the main sorting channel and the first branch sorting channel, and a second shifting plate is rotatably arranged at the intersection of each first branch sorting channel and the corresponding two second branch sorting channels;
the sorting method comprises the following steps:
s1, transversely placing the lithium battery core into the feeding channel, enabling the lithium battery core at the bottom of the feeding channel to fall into the battery core groove on the feeding fixing block under the action of gravity, detecting the rotation of the rotary table, aligning the battery core barrel on the detection rotary table with the battery core groove, enabling the feeding cylinder to act, pushing the lithium battery core in the battery core groove into the battery core barrel by a piston rod of the feeding cylinder, and enabling the next lithium battery core at the bottom of the feeding channel to fall into the battery core groove;
s2, the detection turntable continues to rotate, the detection electromagnet at the root of the battery cell cylinder with the lithium battery cell is electrified, the negative electrode compression spring of the lithium battery cell in the battery cell cylinder is in contact with the negative electrode detection sheet, the battery cell cylinder is closed by the end cover on the battery cell cylinder, the positive electrode detection sheet on the end cover is in contact with the positive electrode of the lithium battery cell, and the detection controller measures, records and stores relevant electrical parameters of the lithium battery cell;
s3, when the detected lithium battery cell is transferred to a position opposite to the material suction cylinder, the end cover is opened, the corresponding detection electromagnet is powered off, meanwhile, the material suction electromagnet on the material suction cylinder is powered on, and the lithium battery cell in the battery cell cylinder enters the material suction cylinder;
s4, repeating the steps S1 to S3, and arranging a plurality of detected lithium battery cells in the material suction barrel in an end-to-end spaced manner;
s5, the lithium cores in the material absorbing cylinder enter the containing grooves of the rotating wheel one by one, the lithium cores in the rotating wheel containing grooves are transferred into the material gathering channel along with the rotation of the rotating wheel, the lithium cores which are measured through electrical parameters are transversely arranged in the material gathering channel in parallel, when the lithium cores move to the tail end of the material gathering channel, the lithium cores are conveyed to the channel formed by the second guide rail and the third guide rail along the first guide rail through the first shifting wheel, the second shifting wheel rotates, the lithium cores which are arranged in parallel in the channel are separated and conveyed, and under the limiting effect between the baffle and the third guide rail, each lithium core finally stands on the conveying belt;
s6, enabling the lithium battery cores on the conveying belt to enter the main sorting channel at intervals, when the lithium battery cores move to the tail end of the main sorting channel, comparing and judging the electrical parameter values of the lithium battery cores and the electrical parameter grading intervals respectively represented by the two first branch sorting channels by the controller, determining that the lithium battery cores are matched with one of the first branch sorting channels, driving the first dial plate to rotate by the controller, plugging the inlet of the other first branch sorting channel by the first dial plate, and enabling the lithium battery cores to enter one of the first branch sorting channels through the first dial plate and move along one of the first branch sorting channels;
s7, when the lithium battery cell moves to the intersection of the corresponding second sorting channels in the first sorting channel in the step S6, the controller compares and judges the electrical parameter value of the lithium battery cell and the electrical parameter grading interval respectively represented by the two second sorting channels, the lithium battery cell is determined to be matched with one of the second sorting channels, the controller drives the second shifting plate to rotate, the second shifting plate seals and blocks the inlet of the other second sorting channel, the lithium battery cell enters one of the second sorting channels through the second shifting plate and moves along the one of the second sorting channels, and finally sorting operation of the lithium battery cell is achieved.
As an improvement, the tail ends of the second sorting channels are communicated with two third sorting channels, and a third shifting plate is rotatably arranged at the intersection of each second sorting channel and the corresponding two third sorting channels. When the lithium battery cell moves to the intersection of the corresponding third sorting channel in the second sorting channel, the controller compares and judges the electrical parameter value of the lithium battery cell with the electrical parameter grading intervals respectively represented by the two third sorting channels to determine that the lithium battery cell is matched with one of the third sorting channels, the controller drives the third shifting plate to rotate, the third shifting plate seals the inlet of the other third sorting channel, the lithium battery cell enters one of the third sorting channels through the third shifting plate, and moves along one of the third sorting channels, so that the third-level sorting of the lithium battery cells is realized, the electric parameter grading interval of the lithium battery cells is further refined, and therefore, according to the principle, the fourth-level and fifth-level refining can be carried out on the electric parameter grading interval of the lithium battery cell, and finally the electric parameter grading interval corresponding to the lithium battery cell is obtained.
And the improvement is carried again, the periphery wall of first thumb wheel forms gear structure, the equipartition has a plurality of strips of dialling on the periphery wall of second thumb wheel, and like this, first thumb wheel is convenient for realize carrying the lithium cell, and the second thumb wheel is realizing the in-process of carrying, dials the angle scope between the strip through controlling adjacent two, realizes carrying a plurality of lithium cells in groups.
Compared with the prior art, the invention has the advantages that: the lithium cell is transversely placed into a feeding channel, the lithium cell at the bottom of the feeding channel falls into a cell groove on a feeding fixed block, meanwhile, the detection turntable intermittently rotates, a cell barrel on the detection turntable is aligned with the cell groove, a feeding cylinder acts, a piston rod of the feeding cylinder pushes the lithium cell in the cell groove into the cell barrel, a detection electromagnet is electrified, a negative electrode compression spring of the lithium cell in the cell barrel is in contact with a negative electrode detection sheet, the detection turntable rotates, an end cover on the cell barrel provided with the lithium cell closes the cell barrel, a positive electrode detection sheet on the end cover is in contact with the positive electrode of the lithium cell, a detection controller measures, records and stores relevant electrical parameters of the lithium cell, the lithium cell after detection is transferred to a position opposite to a suction cylinder along with the continuous rotation of the detection turntable, at the moment, the end cover is opened, the detection electromagnet is electrified, and meanwhile, the suction electromagnet on the suction cylinder is electrified, the lithium battery cores in the battery cell barrel enter the material suction barrel and enter the containing groove of the rotating wheel along the material suction barrel, the rotating wheel rotates, the lithium battery cores in the rotating wheel containing groove are transferred into the material gathering channel, so that the lithium battery cores which are measured by electrical parameters are transversely arranged in the material gathering channel in parallel, when the lithium battery cores move to the tail end of the material gathering channel, the first dial wheel and the second dial wheel rotate in a coordinated mode, the lithium battery cores are gradually changed from a transverse arrangement state to a vertical arrangement state under the limiting action of a third guide rail and a baffle plate, finally, each lithium battery core is erected on the conveying belt, then, the lithium battery cores on the conveying belt enter the main sorting channel one by one, when the lithium battery cores move to the tail end of the main sorting channel, the controller compares and judges the electrical parameter values of the lithium battery cores and the grading intervals of the electrical parameters respectively represented by the two first sorting channels, and determines that the lithium battery cores are matched with one, the controller drives the first shifting plate to rotate, the first shifting plate seals and blocks the inlet of the other first branch sorting channel, the lithium battery core enters one of the first branch sorting channels through the first shifting plate and moves along one of the first branch sorting channels, so that one-time sorting is realized between the main branch sorting channel and the first branch sorting channel, and the other-time sorting is realized between the first branch sorting channel and the second branch sorting channel, so that the main branch sorting channel represents a larger electrical parameter interval containing all lithium battery core parameter values, the first shifting plate realizes one-time separation of the larger electrical parameter interval, the second shifting plate carries out second separation, the original larger electrical parameter interval is separated into four smaller sub-range sections, if a third-level third shifting plate is arranged, the four smaller sub-range sections can be separated into 8 smaller sub-range sections, and each lithium battery core falls into the corresponding electrical parameter sub-range section of the lithium battery core, finally, automatic sorting operation of the lithium battery cells is realized, the production efficiency is effectively improved, and meanwhile, the labor intensity of workers is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a lithium battery cell sorting device in an embodiment of the invention;
FIG. 2 is a schematic structural view of the cartridge of FIG. 1;
FIG. 3 is a schematic structural view of a polymer assembly in an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a conversion assembly in an embodiment of the invention;
fig. 5 is a schematic structural view of a sorting mechanism in an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 5, the lithium battery cell sorting apparatus in the present embodiment includes a feeding mechanism 1, a detection mechanism 2, a material accumulation conversion mechanism, and a sorting mechanism 5.
Wherein, feed mechanism 1 includes material loading fixed block 11, material loading passageway 12 and material loading jar 13, sets up an electric core groove 111 that is used for transversely holding lithium cell 6 on the material loading fixed block 11, and material loading passageway 12 is vertical to be set up directly over electric core groove 111, and material loading jar 13 is located one side of material loading fixed block 11, and the piston rod of material loading jar 13 is relative with electric core groove 111.
The gathering and converting mechanism comprises a gathering component 3 and a converting component 4, the gathering component 3 comprises a material sucking cylinder 31, a rotating wheel 32 and a gathering channel 33 which are opposite to one of the electric core cylinders 22, a material sucking electromagnet is arranged at an inlet of the material sucking cylinder 31, an outlet of the material sucking cylinder 31 is opposite to the end surface of the rotating wheel 32, a plurality of accommodating grooves 321 for accommodating lithium electric cores 6 are uniformly distributed on the outer peripheral wall of the rotating wheel 32, one end of the gathering channel 33 is arranged at the outer side wall of the rotating wheel 32, the converting component 4 comprises a first shifting wheel 41, a second shifting wheel 42, a first guide rail 431, a second guide rail 432, a third guide rail 433, a conveying belt 45 and a baffle 44, the first shifting wheel 41 is arranged at the tail end of the gathering channel 33 and used for conveying the lithium electric cores 6, the first guide rail 431 extends between the tail end of the gathering channel 33 and the first shifting wheel 41 to form a conveying gap, the second guide rail 432 is arranged between the first shifting wheel, third guide rail 433 sets up between second thumb wheel 42 and conveyer belt 45, forms the passageway that is used for carrying and separates lithium cell 5 between second guide rail 432 and the third guide rail 433, and baffle 44 is vertical to be set up in the lateral part of conveyer belt 45, and third guide rail 433 extends to the baffle 44 department of conveyer belt 45 top, and second thumb wheel 42 sets up side by side with first thumb wheel 41 and is used for carrying and separating the lithium cell 6 in the passageway.
Further, the periphery wall of first thumb wheel 41 forms gear structure, and the equipartition has a plurality of strips 421 of dialling on the periphery wall of second thumb wheel 42, and like this, first thumb wheel 41 is convenient for realize carrying lithium cell 6, and second thumb wheel 42 is realizing carrying the in-process, dials the angle scope between the strip 421 through controlling adjacent two, realizes carrying a plurality of lithium cell 6 in groups.
The sorting mechanism 5 comprises a main sorting channel 51 communicated with the conveying belt 45 and two first branch sorting channels 52 communicated with the tail ends of the main sorting channel 51, wherein the tail end of each first branch sorting channel 52 is communicated with two second branch sorting channels, a first shifting plate 53 is rotatably arranged at the intersection of the main sorting channel 51 and the first branch sorting channel 52, and a second shifting plate is rotatably arranged at the intersection of each first branch sorting channel 51 and the corresponding two second branch sorting channels.
In addition, the invention also discloses a sorting method, which comprises the following steps:
s1, transversely placing the lithium battery cell 6 into the feeding channel 12, enabling the lithium battery cell 6 at the bottom of the feeding channel 12 to fall into the battery cell groove 111 on the feeding fixed block 11 under the action of gravity, detecting the rotation of the rotary table 21, aligning the battery cell cylinder 22 on the rotary table 21 with the battery cell groove 111, enabling the feeding cylinder 13 to act, pushing the lithium battery cell 6 in the battery cell groove 111 into the battery cell cylinder 22 by a piston rod of the feeding cylinder 13, and enabling the next lithium battery cell 6 at the bottom of the feeding channel 12 to fall into the battery cell groove 111;
s2, the detection turntable 21 continues to rotate, the detection electromagnet 23 at the root of the battery cell cylinder 22 with the lithium battery cell 6 is electrified, the negative compression spring 24 of the lithium battery cell 6 in the battery cell cylinder 22 is in contact with the negative detection sheet 25, the battery cell cylinder 22 is closed by the end cover 26 on the battery cell cylinder 22, the positive detection sheet 27 on the end cover 26 is in contact with the positive electrode of the lithium battery cell 6, and the detection controller measures, records and stores relevant electrical parameters of the lithium battery cell 6;
s3, when the lithium battery cell 6 after detection is transferred to a position opposite to the material suction cylinder 31, the end cover 26 is opened, the corresponding detection electromagnet 23 is powered off, meanwhile, the material suction electromagnet on the material suction cylinder 31 is powered on, and the lithium battery cell 6 in the battery cell cylinder 22 enters the material suction cylinder 31;
s4, repeating the steps S1 to S3, and arranging a plurality of detected lithium batteries 6 in the material suction barrel 31 in an end-to-end spaced manner;
s5, the lithium batteries 6 in the material suction cylinder 31 enter the accommodating groove 321 of the rotating wheel 32 one by one, and along with the rotation of the rotating wheel 32, the lithium batteries 6 in the accommodating groove 321 of the rotating wheel 32 are transferred into the material gathering channel 33, so that the lithium batteries 6 subjected to electrical parameter measurement are transversely arranged in the material gathering channel 33 in parallel, when the lithium batteries 6 move to the end of the material gathering channel 33, the first dial wheel 41 conveys the lithium batteries 6 to the channel formed by the second guide rail 432 and the third guide rail 433 along the first guide rail 431, the second dial wheel 42 rotates to separate and convey the lithium batteries 6 arranged in parallel in the channel, and under the limiting action between the baffle 44 and the third guide rail 433, each lithium battery 6 finally stands on the conveying belt 45;
s6, the lithium battery cells 6 on the conveying belt 45 enter the main sorting channel 51 at intervals, when the lithium battery cells 6 move to the tail end of the sorting channel 51, the controller compares and judges the electrical parameter values of the lithium battery cells 6 with the electrical parameter grading intervals respectively represented by the two first branch sorting channels 52, the lithium battery cells 6 are determined to be matched with one of the first branch sorting channels, the controller drives the first shifting plate 53 to rotate, the first shifting plate 53 blocks the inlet of the other first branch sorting channel, and the lithium battery cells 6 enter one of the first branch sorting channels through the first shifting plate 53 and move along the one of the first branch sorting channels;
s7, when the lithium battery cell 6 in step S6 moves to the intersection of the corresponding second sorting channels within the first sorting channel 52, the controller compares and determines the electrical parameter value of the lithium battery cell 6 and the electrical parameter grading interval represented by each of the two second sorting channels, and determines that the lithium battery cell 6 matches with one of the second sorting channels, the controller drives the second dial plate to rotate, the second dial plate blocks the entrance of the other second sorting channel, the lithium battery cell 6 enters one of the second sorting channels through the second dial plate and moves along one of the second sorting channels, and finally, the sorting operation of the lithium battery cell 6 is achieved.
Furthermore, the tail ends of the second sorting channels are communicated with two third sorting channels, and a third shifting plate is rotatably arranged at the intersection of each second sorting channel and the corresponding two third sorting channels. When the lithium cell 6 moves to the intersection of the corresponding third sorting channels in the second sorting channel, the controller compares and judges the electrical parameter value of the lithium cell 6 with the electrical parameter grading intervals respectively represented by the two third sorting channels, determines that the lithium cell 6 is matched with one of the third sorting channels, drives the third dial plate to rotate, seals the inlet of the other third sorting channel by the third dial plate, and the lithium cell 6 enters one of the third sorting channels through the third dial plate and moves along one of the third sorting channels, so that the third sorting of the lithium cell 6 is realized, the electrical parameter grading intervals of the lithium cell 6 are further refined, and thus, according to the principle, the fourth-level and fifth-level refining of the electrical parameter grading intervals of the lithium cell 6 can be further carried out, and finally obtaining the corresponding electrical parameter grading interval of the lithium battery cell 6.
In summary, according to the invention, the lithium battery cell 6 is horizontally placed into the feeding channel 12, the lithium battery cell 6 at the bottom of the feeding channel 12 falls into the battery cell groove 111 on the feeding fixing block 11, meanwhile, the detection rotary table 21 intermittently rotates, the battery cell cylinder 22 on the detection rotary table 21 aligns with the battery cell groove 111, the feeding cylinder 13 acts, the piston rod of the feeding cylinder 13 pushes the lithium battery cell 6 in the battery cell groove 111 into the battery cell cylinder 22, the detection electromagnet is powered on, the negative compression spring 24 of the lithium battery cell 6 in the battery cell cylinder 22 contacts with the negative detection sheet 25, the detection rotary table 21 rotates, the end cap 26 on the battery cell cylinder 22 with the lithium battery cell 6 closes the battery cell cylinder 22, the positive detection sheet 27 on the end cap 26 contacts with the positive electrode of the lithium battery cell 6, the detection controller measures and records and stores relevant electrical parameters of the lithium battery cell 6, and the detected lithium battery cell 6 is transferred to the position opposite to the suction cylinder 31 with the detection rotary table 21 continuously rotating, at this time, the end cover 26 is opened, the detection electromagnet 23 loses power, meanwhile, the material suction electromagnet on the material suction barrel 31 gets power, the lithium battery cell 6 in the battery cell barrel 22 enters the material suction barrel 31 and enters the accommodating groove 321 of the rotating wheel 32 along the material suction barrel 31, the rotating wheel 32 rotates, the lithium battery cell 6 in the accommodating groove 321 of the rotating wheel 32 is transferred into the material gathering channel 33, thus, the lithium battery cells 6 measured by electrical parameters are transversely arranged in the material gathering channel 33 in parallel, when the lithium battery cells 6 move to the tail end of the material gathering channel 33, the first shifting wheel 41 and the second shifting wheel 42 cooperatively rotate, under the limiting action of the third guide rail 433 and the baffle 44, the lithium battery cells 6 are gradually changed from a transverse arrangement state to a vertical arrangement state, finally, each lithium battery cell 6 is vertically arranged on the conveying belt 45, then, the lithium battery cells 6 on the conveying belt 45 enter the main sorting channel 51 one by one, when the lithium battery cells 6 move to the tail end of the main, the controller compares and judges the electrical parameter value of the lithium battery cell 6 with the electrical parameter grading intervals respectively represented by the two first branch sorting channels 52, the lithium battery cell 6 is determined to be matched with one of the first branch sorting channels, the controller drives the first shifting plate 53 to rotate, the first shifting plate 53 seals the inlet of the other first branch sorting channel, the lithium battery cell 6 enters one of the first branch sorting channels through the first shifting plate 53 and moves along one of the first branch sorting channels, so that one-time sorting is realized between the main sorting channel 51 and the first branch sorting channel 52, the other-time sorting is realized between the first branch sorting channel 52 and the second branch sorting channel, in this way, the main sorting channel 51 represents a larger electrical parameter interval containing all the parameter values of the lithium battery cell 6, and the first shifting plate 53 realizes one-time separation of the larger electrical parameter interval, the second dials the board and has carried out the second and separate, and it is regional to have separated into four less stepping with original great electrical parameter interval, if the third that sets up the third level dials the board, can separate into 8 less stepping intervals for each lithium cell 6 falls into the electrical parameter stepping interval that self corresponds in, finally realized the automatic separation operation to lithium cell 6, effectively improved production efficiency, simultaneously, reduced workman's intensity of labour.
Claims (3)
1. A sorting method of a lithium battery cell sorting device is characterized by comprising the following steps: the sorting device comprises a feeding mechanism (1), a detection mechanism (2), a material gathering conversion mechanism and a sorting mechanism (5), wherein the feeding mechanism (1) comprises a feeding fixed block (11), a feeding channel (12) and a feeding cylinder (13), a cell slot (111) for transversely accommodating a lithium cell (6) is formed in the feeding fixed block (11), the feeding channel (12) is vertically arranged right above the cell slot (111), the feeding cylinder (13) is positioned on one side of the feeding fixed block (11), and a piston rod of the feeding cylinder (13) is opposite to the cell slot (111);
the detection mechanism (2) comprises a detection turntable (21) positioned on the other side of the feeding fixed block (11) and a detection controller used for measuring electrical parameters of the lithium battery cell (6), a plurality of battery cell cylinders (22) used for containing the lithium battery cell (6) are uniformly distributed on the peripheral wall of the detection turntable (21), a negative detection sheet (25) is arranged at the inner end of each battery cell cylinder (22), a spring (24) is arranged on the inner side wall of each negative detection sheet (25), a detection electromagnet (23) is arranged at the inner end of each battery cell cylinder (22) in the detection turntable (21), an end cover (26) is rotatably arranged on the outer port of each battery cell cylinder (22), an anode detection sheet (27) is arranged on the end cover (26), and the negative detection sheet (25) and the anode detection sheet (27) are respectively and electrically connected with the detection controller;
the material gathering and converting mechanism comprises a material gathering component (3) and a converting component (4), the material gathering component (3) comprises a material sucking barrel (31), a rotating wheel (32) and a material gathering channel (33) which are opposite to one electric core barrel (22), a material sucking electromagnet is arranged at an inlet of the material sucking barrel (31), an outlet of the material sucking barrel (31) is opposite to the end surface of the rotating wheel (32), a plurality of accommodating grooves (321) for accommodating lithium electric cores (6) are uniformly distributed on the outer peripheral wall of the rotating wheel (32), one end of the material gathering channel (33) is arranged at the outer side wall of the rotating wheel (32), the converting component (4) comprises a first shifting wheel (41), a second shifting wheel (42), a first guide rail (431), a second guide rail (432), a third guide rail (433), a conveying belt (45) and a baffle (44), the first shifting wheel (41) is arranged at the tail end of the material gathering channel (33) and is used for conveying the lithium electric cores (6), the first guide rail (431) extends to form a conveying gap between the tail end of the material gathering channel (33) and the first thumb wheel (41), the second guide rail (432) is arranged between the first thumb wheel (41) and the conveying belt (45), the third guide rail (433) is arranged between the second thumb wheel (42) and the conveying belt (45), a channel for conveying and separating the lithium battery cores (6) is formed between the second guide rail (432) and the third guide rail (433), the baffle (44) is vertically arranged on the side portion of the conveying belt (45), the third guide rail (433) extends to the baffle (44) above the conveying belt (45), and the second thumb wheel (42) and the first thumb wheel (41) are arranged in parallel and used for conveying and separating the lithium battery cores (6) in the channel;
the sorting mechanism (5) comprises a main sorting channel (51) communicated with the conveying belt (45) and two first branch sorting channels (52) communicated with the tail ends of the main sorting channel (51), the tail ends of the first branch sorting channels (52) are communicated with two second branch sorting channels, a first shifting plate (53) is rotatably arranged at the intersection of the main sorting channel (51) and the first branch sorting channels (52), and a second shifting plate is rotatably arranged at the intersection of each first branch sorting channel (52) and the corresponding two second branch sorting channels;
the sorting method comprises the following steps:
s1, transversely placing the lithium battery cell (6) into the feeding channel (12), enabling the lithium battery cell (6) at the bottom of the feeding channel (12) to fall into the battery cell groove (111) on the feeding fixed block (11) under the action of gravity, detecting the rotation of the rotary table (21), aligning the battery cell cylinder (22) on the detection rotary table (21) with the battery cell groove (111), enabling the feeding cylinder (13) to act, pushing the lithium battery cell (6) in the battery cell groove (111) into the battery cell cylinder (22) by a piston rod of the feeding cylinder (13), and enabling the next lithium battery cell at the bottom of the feeding channel (12) to fall into the battery cell groove (111);
s2, the detection turntable (21) continues to rotate, the detection electromagnet (23) at the root of the battery cell cylinder (22) provided with the lithium battery cell (6) is electrified, the negative electrode compression spring (24) of the lithium battery cell (6) in the battery cell cylinder (22) is in contact with the negative electrode detection sheet (25), the battery cell cylinder (22) is closed by an end cover (26) on the battery cell cylinder (22), the positive electrode detection sheet (27) on the end cover (26) is in contact with the positive electrode of the lithium battery cell (6), and the detection controller measures, records and stores relevant electrical parameters of the lithium battery cell (6);
s3, when the detected lithium battery cell (6) is transferred to a position opposite to the material suction barrel (31), the end cover (26) is opened, the corresponding detection electromagnet (23) loses power, meanwhile, the material suction electromagnet on the material suction barrel (31) is powered on, and the lithium battery cell (6) in the battery cell barrel (22) enters the material suction barrel (31);
s4, repeating the steps S1 to S3, and arranging a plurality of detected lithium battery cells (6) in the material suction barrel (31) in an end-to-end spaced manner;
s5, the lithium batteries (6) in the material suction barrel (31) enter the accommodating groove (321) of the rotating wheel (32) one by one, and the lithium batteries (6) in the accommodating groove (321) of the rotating wheel (32) are transferred to the material gathering channel (33) along with the rotation of the rotating wheel (32), so that the lithium battery cores (6) which are measured by the electrical parameters are transversely arranged in parallel in the material gathering channel (33), when the lithium battery cells (6) move to the tail end of the material gathering channel (33), the first thumb wheel (41) conveys the lithium battery cells (6) to a channel formed by the second guide rail (432) and the third guide rail (433) along the first guide rail (431), the second thumb wheel (42) rotates to separate and convey the lithium battery cells (6) which are arranged in parallel in the channel, under the limiting action between the baffle (44) and the third guide rail (433), each lithium battery cell (6) finally stands on the conveying belt (45);
s6, the lithium battery cores (6) on the conveying belt (45) enter the main sorting channel (51) at intervals, when the lithium battery cores (6) move to the tail end of the main sorting channel (51), the controller compares and judges the electrical parameter values of the lithium battery cores (6) with the electrical parameter grading intervals respectively represented by the two first sorting channels (52), the lithium battery cores (6) are determined to be matched with one of the first sorting channels, the controller drives the first shifting plate (53) to rotate, the first shifting plate (53) seals and blocks the inlet of the other first sorting channel, and the lithium battery cores (6) enter one of the first sorting channels through the first shifting plate (53) and move along the one of the first sorting channels;
s7, when the lithium battery cell (6) moves to the intersection of the corresponding second sorting channels in the first sorting channel (52) in the step S6, the controller compares and judges the electrical parameter value of the lithium battery cell (6) with the electrical parameter grading intervals respectively represented by the two second sorting channels, the lithium battery cell (6) is determined to be matched with one of the second sorting channels, the controller drives the second dial plate to rotate, the second dial plate seals and blocks the inlet of the other second sorting channel, the lithium battery cell (6) enters one of the second sorting channels through the second dial plate and moves along one of the second sorting channels, and finally sorting operation of the lithium battery cell (6) is achieved.
2. The sorting method of the lithium battery cell sorting device according to claim 1, wherein: the tail ends of the second sorting channels are communicated with two third sorting channels, and a third shifting plate is rotatably arranged at the intersection of each second sorting channel and the corresponding two third sorting channels.
3. The sorting method of the lithium battery cell sorting device according to claim 1, wherein: the periphery wall of first thumb wheel (41) forms gear structure, the equipartition has a plurality of plectrums (421) on the periphery wall of second thumb wheel (42).
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| CN114713514A (en) * | 2022-04-15 | 2022-07-08 | 济宁华能制药厂有限公司 | Color selection and subpackage device for Qilong capsules and use method thereof |
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| CN201262967Y (en) * | 2008-08-27 | 2009-06-24 | 东莞市鸿宝精密机械制造厂 | Automatic bottom-igniting bonding machine of cylinder battery |
| JP4829949B2 (en) * | 2008-10-22 | 2011-12-07 | 東芝Ｉｔコントロールシステム株式会社 | Battery inspection device |
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| TWM490469U (en) * | 2014-05-15 | 2014-11-21 | All Ring Tech Co Ltd | Conveying apparatus of inspecting and sorting electronic component |
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| CN205828542U (en) * | 2016-04-22 | 2016-12-21 | 浙江昀邦电池有限公司 | A kind of battery once enters ring and is coated with sealing compound equipment |
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