Automatic sorting machine for lithium battery cores
Technical Field
The invention relates to the field of lithium batteries, in particular to an automatic sorting machine for lithium battery cores.
Background
The lithium battery cell is the main practical electric core at present, by the field such as wide application in notebook computer, portable power source, electric tool, electric bicycle, electric motorcycle car, solar energy storage power, wind energy storage power, basic station energy storage power. The lithium battery cells are classified and graded according to battery performance after strict voltage and internal resistance tests are carried out before leaving factories.
At present, the manual test and sorting mode of single-grain electric cores is mainly carried out by adopting an internal resistance tester in domestic electric core sorting in a plurality of working procedures. The defects are mainly shown in that: 1. the testing and sorting efficiency is low, and the labor intensity is high; 2. the sorting accuracy is low, and mixing and discharging are easy to occur; 3. the internal resistance meters are more, and the cost performance of the equipment investment cost and the productivity is low.
Therefore, the traditional chinese invention with publication number CN 103594733B discloses an automatic separator for lithium battery cells, which comprises a control unit, and a feeding mechanism, a code-spraying scanning mechanism, a testing mechanism, a separating mechanism, a discharging mechanism and a conveying trough electrically connected with the control unit, wherein the feeding mechanism is located at the head end of the conveying trough, the testing mechanism is arranged on the conveying trough, the code-spraying scanning mechanism is arranged beside the conveying trough and between the feeding mechanism and the testing mechanism, the discharging mechanism and the testing mechanism are arranged side by side, the separating mechanism is arranged above the testing mechanism and the discharging mechanism, and the separating mechanism correspondingly sucks up the lithium battery cells which are tested on the testing mechanism and places the lithium battery cells on a corresponding material receiving trough of the discharging mechanism.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides an automatic sorting machine for lithium cells, which realizes automatic sorting of the lithium 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 utility model provides an automatic separation machine of lithium cell, includes feed mechanism, detection mechanism, sorting mechanism and the mechanism that gathers materials, its characterized in that: the feeding mechanism comprises an electric core box for placing lithium cores, a discharge hole is formed in one side of the electric core box and communicated with a feeding channel, and a conveying belt is arranged at the bottom of the feeding channel along the length direction of the feeding channel;
the detection mechanism is arranged at the tail end of the feeding channel and comprises a rotary disc, a bottom plate arranged at the bottom of the rotary disc, an annular sleeve sleeved on the outer wall of the rotary disc and an electrical test assembly arranged on the annular sleeve, a plurality of battery cell grooves used for containing lithium batteries are circumferentially and uniformly distributed on the outer wall of the rotary disc, a transition pore passage communicated with the feeding channel is formed in the annular sleeve, a blanking hole is formed in the position, close to the feeding channel, of the bottom plate, a negative contact piece is arranged on the bottom plate, which is opposite to one of the battery cell grooves, the electrical test assembly comprises an electrical test frame arranged on the annular sleeve, a sliding probe vertically and slidably arranged on the electrical test frame and a tester arranged on the electrical test frame, and the sliding probe and the negative contact piece are respectively and electrically connected with the tester;
the sorting mechanism is arranged below the bottom plate and comprises a blanking channel communicated with the blanking hole in the bottom plate, a sorting base transversely arranged below the blanking channel, a sorting plate arranged on the sorting base in a sliding mode and a sliding cylinder connected with the sorting plate, wherein the sorting plate is provided with sorting holes, and a plurality of sorting channels corresponding to different electrical grading ranges extend below the sorting base;
the mechanism that gathers materials sets up in the discharge gate department of each sorting channel, the mechanism that gathers materials is including connecting in the passageway that gathers materials of sorting channel discharge gate, set up in the terminal material collection platform of passageway that gathers materials, vertical lift sets up the magazine frame on the material collection platform, place the magazine on magazine frame side, vertical slip sets up the limit flitch on the material collection platform, the striker plate relative with the passageway export that gathers materials, the width of passageway that gathers materials is the length distance of a lithium cell, the material collection bench is provided with a charging ram, the output of charging ram is provided with the scraping wings relative with the limit flitch, striker plate and scraping wings form the chamber that gathers materials of opening to the passageway export that gathers materials, be provided with the count inductor in the exit of passageway that gathers materials.
As an improvement, the bottom of the electric core box is obliquely arranged, and the lithium cores are conveniently gathered at the feeding channel by arranging the oblique electric core box.
Improve again, be provided with the electro-magnet on the cell wall of electricity core groove, the electro-magnet is got the electricity, is convenient for adsorb the lithium cell in the electricity core groove, and when the lithium cell removed the blanking hole department on the bottom plate, the electro-magnet was lost the electricity, and under the action of gravity, the lithium cell fell into in the blanking passageway.
Improve again, the contact groove has been seted up on the bottom plate, and the contact inslot is provided with the contact spring, the negative pole contact piece sets up in the contact inslot, and the middle part of negative pole contact piece is higher than the outer peripheral edges, and when the lithium cell removed the negative pole contact piece on the bottom plate, the negative pole of lithium cell pressed in the top of negative pole contact piece, through setting up the contact spring, improved the contact effect between lithium cell and the negative pole contact piece, and simultaneously, become the shape that the middle part is a little higher than the outer peripheral edges with the negative pole contact piece design, on the lithium cell negative pole of being convenient for climbed into the negative pole contact piece, and simultaneously.
Compared with the prior art, the invention has the advantages that: put the lithium cell positive pole in the electric core box upwards, the lithium cell in the electric core box gets into the material loading passageway, and get into detection mechanism one by one through the conveyer belt, carousel intermittent type on the detection mechanism rotates, when the electric core groove on the carousel aims at the material loading passageway export, the lithium cell at material loading passageway exit gets into in the electric core groove, afterwards, along with the rotation of carousel, get into electrical test subassembly department, when the negative pole of lithium cell contacts with the negative pole contact piece, the slip probe is down with lithium cell positive pole contact, the relevant electrical parameter value of tester test lithium cell, the controller is recorded, afterwards, the lithium cell removes to blanking hole department, thus, each lithium cell through measuring arranges in parallel in the blanking passageway, controller control slide cylinder removes, make each lithium cell fall into in the corresponding sorting passageway according to its separately corresponding electrical parameter's stepping scope, afterwards, the lithium cell in each sorting passageway is changed into the transverse arrangement state from vertical state and is rolled into corresponding through-hole that gathers materials In the way, afterwards, the lithium cell falls into the intracavity that gathers materials along the passageway that gathers materials, when the count inductor measurement is got the electricity and is set for numerical value, the lithium cell is piled up the chamber of gathering materials, the flitch descends, the ejector pad action, within the ejector pad pushed the lithium cell of one row the magazine, afterwards, the magazine follows a magazine frame and descends a distance, wait for the push-in of next row of lithium cell, fill up until whole magazine, the magazine frame is taking the magazine wholly to rise, take out the magazine of filling the lithium cell, later put into empty magazine, thus, the automatic separation operation to the lithium cell has been realized, the production efficiency is effectively improved, and simultaneously, the labor intensity of workers is reduced.
Drawings
Fig. 1 is a schematic structural view of an automatic separator for lithium battery cells according to an embodiment of the present invention;
FIG. 2 is a schematic view of the construction of the sorting mechanism of FIG. 1;
FIG. 3 is a schematic view of the structure of the base plate of FIG. 1;
fig. 4 is a schematic structural view of the material collecting mechanism in fig. 1.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 4, the automatic separator for lithium battery cells in this embodiment includes a feeding mechanism 1, a detecting mechanism 2, a separating mechanism 3, and a collecting mechanism 4.
Wherein, feed mechanism 1 has seted up the discharge gate including the electric core box 11 that is used for placing lithium cell 5, one side of electric core box 11, and discharge gate department intercommunication has material loading passageway 12, and material loading passageway 12's bottom is provided with the conveyer belt along material loading passageway 12 length direction, and further, the bottom slope of electric core box 11 is arranged, and through the electric core box 11 that sets up the slope, the lithium cell 5 of being convenient for gathers in material loading passageway 12 department.
The detection mechanism 2 is arranged at the tail end of the feeding channel 12, the detection mechanism 2 comprises a rotary disc 21, a bottom plate 22 arranged at the bottom of the rotary disc 21, an annular sleeve 23 sleeved on the outer wall of the rotary disc 21, the electrical property testing assembly is arranged on the annular sleeve 23, a plurality of battery cell grooves 211 used for containing the lithium battery cells 5 are uniformly distributed on the outer wall of the rotary table 21 in the circumferential direction, a transition pore passage communicated with the feeding channel 12 is formed in the annular sleeve 23, a blanking hole 221 is formed in the position, close to the feeding channel 12, of the bottom plate 22, a negative contact piece 222 is arranged on the position, opposite to one battery cell groove, of the bottom plate 22, the electrical property testing assembly comprises an electrical property testing frame 24 arranged on the annular sleeve 23, a sliding probe vertically arranged on the electrical property testing frame 24 in a sliding mode, a tester 241 arranged on the electrical property testing frame 24, and the sliding probe and the negative contact piece 222 are respectively and electrically connected with the tester 241. When the negative electrode of the lithium battery cell 5 contacts with the negative electrode contact piece 222 on the bottom plate 22, the sliding probe moves downwards, the end of the sliding probe contacts with the positive electrode of the lithium battery cell 5, the tester 241 tests the relevant electrical parameters of the lithium battery cell 5, the measured electrical parameters comprise resistance, capacitance and voltage, sorting can be performed according to any one of the electrical parameters, after the test of the electrical parameters of the lithium battery cell 5 is completed, the sliding probe moves upwards to reset, and the lithium battery cell 5 which is just tested is continuously rotated around the outer edge of the rotary table 21 along with the rotary table 21.
In addition, be provided with the electro-magnet on the cell wall of electric core groove 211, the electro-magnet is electrified, is convenient for adsorb lithium cell 5 in electric core groove 211, and when lithium cell 5 removed blanking hole 221 department on the bottom plate 22, the electro-magnet loses the electricity, and under the action of gravity, lithium cell 5 fell into in the blanking passageway 31.
The sorting mechanism 3 is arranged below the bottom plate 22, the sorting mechanism 3 comprises a blanking channel 31 communicated with a blanking hole 221 on the bottom plate 22, a sorting base 32 transversely arranged below the blanking channel 31, a sorting plate 33 slidably arranged on the sorting base 32, and a sliding cylinder 34 connected with the sorting plate 33, a sorting hole 331 is formed in the sorting plate 33, and a plurality of sorting channels 321 corresponding to different electrical grading ranges extend below the sorting base 32.
The material collecting mechanism 4 is arranged at the discharge port of each sorting channel 321, the material collecting mechanism 4 comprises a material collecting channel 41 connected to the discharge port of the sorting channel 321, a material collecting platform 42 arranged at the tail end of the material collecting channel 41, a material box frame 43 vertically arranged above the material collecting platform 42 in a lifting manner, a material box 44 arranged on the side surface of the material box frame 43, a material limiting plate 45 vertically arranged on the material collecting platform 42 in a sliding manner, and a material baffle plate 46 opposite to the outlet of the material collecting channel 41, wherein the width of the material collecting channel 41 is the length distance of one lithium battery cell 5, a material pushing cylinder 47 is arranged on the material collecting platform 42, a material pushing plate 471 opposite to the material limiting plate 45 is arranged at the output end of the material pushing cylinder 47, the material limiting plate 45, the material baffle plate 46 and the material pushing plate 471 form a material collecting cavity 48 with an opening facing the outlet of the material collecting.
Furthermore, the contact groove has been seted up on bottom plate 22, the contact inslot is provided with the contact spring, negative pole contact piece 222 sets up in the contact inslot, the middle part of negative pole contact piece 222 is higher than the outer peripheral edges, when lithium cell 5 removed negative pole contact piece 222 to on bottom plate 22, lithium cell 5's negative pole is pressed in negative pole contact piece 222's top, through setting up the contact spring, the contact effect between lithium cell 5 and the negative pole contact piece 222 has been improved, and simultaneously, design into the shape that the middle part is a little higher than the outer peripheral edges with negative pole contact piece 222, be convenient for lithium cell 5 negative pole climb into on the negative pole contact piece 222, and simultaneously, also be convenient for the lithium cell 5 negative.
The automatic sorting method of the lithium battery cell comprises the following steps:
the positive electrode of the lithium battery cell 5 is upwards put into the battery cell box 11, the lithium battery cell 5 in the battery cell box 11 enters the feeding channel 12 and enters the detection mechanism 2 one by one through the conveyer belt, the rotary table 21 on the detection mechanism 2 intermittently rotates, when the battery cell groove 211 on the rotary table 21 is aligned with the outlet of the feeding channel 12, the lithium battery cell 5 at the outlet of the feeding channel 12 enters the battery cell groove 211 and then enters the electrical test assembly along with the rotation of the rotary table 21, when the negative electrode of the lithium battery cell 5 is contacted with the negative electrode contact piece 222, the sliding probe descends to be contacted with the positive electrode of the lithium battery cell 5, the tester 241 tests the relevant electrical parameter value of the lithium battery cell 5, the controller records, then the lithium battery cell 5 moves to the blanking hole 221, thus, each measured lithium battery cell 5 is arranged in the blanking channel 31 side by side, the controller controls the sliding cylinder 34 to move, and each lithium battery cell 5 falls into the corresponding sorting channel 321 according to the grading range of the corresponding electrical parameter, afterwards, the lithium cells 5 in each sorting channel 321 are changed from a vertical state to a horizontal arrangement state and roll into the corresponding collecting channel 41, then the lithium cells 5 fall into the collecting cavity 48 along the collecting channel 41, when the counting sensor 411 measures the electricity to set a numerical value, the lithium cells 5 are fully stacked in the collecting cavity 48, the material limiting plate descends, the material pushing cylinder 47 acts, the material pushing plate 471 pushes the lithium cells 5 in one row into the material box 44, then the material box 44 descends a distance along with the material box frame 43, the pushing of the next row of lithium cells 5 is waited until the whole material box 44 is fully filled, the material box frame 43 takes the material box 44 to integrally ascend, the material box 44 filled with the lithium cells 5 is taken out, and then the empty material box 44 is put in, so that the automatic sorting operation of the lithium cells 5 is realized, the production efficiency is effectively improved, and meanwhile, the labor intensity of workers is reduced.