CN108714574B - Automatic sorting equipment of cylinder lithium cell - Google Patents
Automatic sorting equipment of cylinder lithium cell Download PDFInfo
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- CN108714574B CN108714574B CN201810611938.5A CN201810611938A CN108714574B CN 108714574 B CN108714574 B CN 108714574B CN 201810611938 A CN201810611938 A CN 201810611938A CN 108714574 B CN108714574 B CN 108714574B
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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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Abstract
The invention relates to the field of lithium battery processing, in particular to automatic sorting equipment for cylindrical lithium batteries. The automatic sorting equipment for the cylindrical lithium batteries comprises a rack, and a feeding mechanism, a conveying mechanism, a polarity sorting mechanism, a sorting manipulator mechanism, a material box and two groups of OCV testing mechanisms which are arranged on the rack; the equipment is divided into two paths for sorting based on a polarity detection structure, and the function of polarity detection sorting is added in the traditional sorting equipment; meanwhile, the method is different from the scheme of outputting the steering cylindrical lithium battery in the background technology, and has the advantages of reliable quality, low retest rate, effective improvement of the detection efficiency of the lithium battery and guarantee of the product quality.
Description
Technical Field
The invention relates to the field of lithium battery processing, in particular to automatic sorting equipment for cylindrical lithium batteries.
Background
Along with the lithium cell is more and more used in people's life, the form of lithium cell is also more and more various, and the lithium cell needs sort the range to the lithium cell in the production and processing process, then carries out electrical property detection through the group battery to arranging to sort the operation to electric core. Among them, 18650 battery is a typical cylindrical lithium battery, and is also the most commonly used cylindrical lithium battery in people's life. At present, 18650 cylinder electricity core product all need carry out voltage and internal resistance test to it before production in order to carry out reasonable and group matching, select voltage value and internal resistance value to be close just can join in marriage and organize and process, 18650 sorter in the past is with artificial owner, equipment auxiliary basis, operate, manual material loading carries out product sorting, and every group electricity core needs the manual work to pack after testing and sorting and transports to the production line again, differentiates positive negative pole dress point welding jig by the manual work again behind the dupont paper and carries out spot welding, need about 4 people to accomplish, many positions need manual operation, and the productivity is lower, and comprehensive productivity is about 1000/H.
On this basis, prior art improves and discloses an online cylinder electricity core sorter as in the chinese utility model patent of publication number "CN 203565387U", including polarity switching mechanism in this sorter, increase a set of polarity selection mechanism at the test rear portion, carry out polarity selection to electric core, by host computer control, can change polarity direction, when host computer sets for positive negative pole cross arrangement promptly, the mechanism can put down an electric core clockwise after receiving electric core, put down an electric core anticlockwise again, analogize with this. In the scheme, the polarity of the cylindrical battery cell conveyed by the separator is identified, and the cylindrical battery cell which does not conform to the set direction is turned and conveyed to the next station; in contrast, although this solution has a function of identifying the polarity during sorting, the sorting efficiency is low, and improvement is urgently needed.
Disclosure of Invention
In order to solve the above problems, the present invention aims to provide an automatic sorting apparatus for cylindrical lithium batteries, which is divided into two paths for sorting based on a polarity detection structure, and adds a polarity detection sorting function to a conventional sorting apparatus; meanwhile, the method is different from the scheme of outputting the steering cylindrical lithium battery in the background technology, and has the advantages of reliable quality, low retest rate, effective improvement of the detection efficiency of the lithium battery and guarantee of the product quality.
In order to achieve the purpose, the invention adopts the following technical scheme:
the automatic sorting equipment for the cylindrical lithium batteries comprises a rack, and a feeding mechanism, a conveying mechanism, a polarity sorting mechanism, a sorting manipulator mechanism, a material box and two groups of OCV testing mechanisms which are arranged on the rack; the method is characterized in that:
the conveying mechanism comprises a first conveying section, two second conveying sections and two third conveying sections, wherein the first conveying section is connected to the output end of the feeding mechanism in a bearing mode, the two second conveying sections are connected to the tail end of the first conveying section in a bearing mode, and the two third conveying sections are connected to the tail ends of the two second conveying sections in a bearing mode; the conveying direction of the first conveying section is parallel to that of the third conveying section, and the conveying direction of the first conveying section is perpendicular to that of the second conveying section; the two second conveying sections are respectively arranged at two sides of the first conveying section, and the starting ends of the second conveying sections are positioned below the tail end part of the first conveying section;
the polarity sorting mechanism comprises a polarity detection component arranged on the extreme end station of the first conveying section and a workpiece transfer component received on the end part of the first conveying section; the workpiece transferring assembly comprises a transferring frame, a sorting valve arranged in the transferring frame, two transferring channels arranged below the transferring frame, and two transferring cylinders respectively arranged on the two moving channels; the two transfer channels are arranged on the two sides of the upstream and downstream of the transfer frame in parallel, and the two second conveying sections are respectively connected to the tail end parts of the two transfer channels; a channel is arranged in the transfer frame, is in an inverted Y shape and comprises an inlet channel section and two outlet channel sections communicated with the inlet channel section, and the two outlet channel sections are respectively guided to the two transfer channels; the two outlet channel sections are internally provided with first sensors which are used for sensing and detecting that the cylindrical lithium battery passes through the outlet channel sections; the two transfer cylinders are respectively triggered by signals of the two first sensors; the sorting valve comprises a valve plate hinged at the intersection of an inlet channel section and two outlet channel sections and a sorting motor for driving the valve plate to rotate; the sorting motor controls the valve plate to move based on the detection result of the polarity detection assembly, so that the valve plate selectively seals the inlet of one of the outlet channel sections.
Preferably, the polarity detection assembly comprises movable electrode holders arranged at two sides of the first conveying section, a polarity detection cylinder and a return spring for driving the movable electrode holders to relatively approach or separate, and a detector connected with the movable electrode holders; the movable electrode holders are movably arranged on the same optical axis, and two movable electrode holders positioned between the upper conveying surface and the lower conveying surface of the first conveying section are connected through a return spring which enables the two movable electrode holders to approach each other; and the opposite surfaces of the two movable electrode seats are in the shape of an inclined plane; the output direction of the polarity detection cylinder is parallel to the feeding direction of the first conveying section, and the output end of the polarity detection cylinder is connected with a wedge-shaped block which is abutted to the inclined surface of the movable electrode seat.
Preferably, the two groups of OCV testing mechanisms are respectively arranged on the two third conveying sections, the tail ends of the conveying surfaces of the third conveying sections are provided with baffle plates, and the OCV testing mechanisms are positioned at the upstream of the baffle plates; the OCV testing mechanism comprises charge and discharge bases arranged on two sides of the third conveying section and an OCV testing unit used for collecting OCV parameters of the cylindrical lithium battery to be tested; the charging and discharging base comprises a fixed base plate, a movable base plate movably arranged on the fixed base plate, and a plurality of charging and discharging units arranged on the movable base plate; the fixed base plate is provided with a slide rail, the movable base plate is arranged on the slide rail, the movable base plate is fixedly provided with a driving cylinder, and the output end of the driving cylinder is connected to the fixed base plate; the plurality of charging and discharging units are regularly distributed at equal intervals along the conveying direction of the third conveying section.
Preferably, the sorting manipulator mechanism comprises a sorting frame fixed on the rack between the two third conveying sections, a sorting moving pair movably arranged on the sorting frame, a sorting lifting pair arranged on the sorting moving pair, and a plurality of sorting grabbing pairs arranged on the sorting lifting frame; the sorting lifting pair comprises a base plate fixed on the sorting moving pair, a lifting cylinder fixed on the base plate and a gripper frame connected to the output end of the lifting cylinder; the lifting cylinder drives the gripper frame to move longitudinally to realize the functions of descending and lifting; a plurality of grabbing grooves are arranged on the lower end face of the grabbing hand rack side by side, and through holes are formed in the grabbing grooves; the plurality of sorting and grabbing pairs are arranged on the grabbing hand rack and respectively correspond to the plurality of grabbing grooves; the sorting grabbing pair comprises a grabbing cylinder fixed above the grabbing groove and a magnetic plate arranged on the output end of the grabbing cylinder, and the grabbing cylinder drives the magnetic plate to stretch into or withdraw from the grabbing groove.
Preferably, the sorting manipulator mechanism further comprises a grabbing and lifting assembly arranged below the third conveying section, the grabbing and lifting assembly comprises a lifting cylinder and a lifting frame connected to the output end of the lifting cylinder, the lifting frame comprises lifting plates located on two sides of the third conveying section, and a plurality of grabbing auxiliary grooves matched with the grabbing grooves are formed in the lifting plates.
Preferably, the feeding mechanism comprises a box frame, a drawing box arranged in the box frame, and an output assembly arranged in the box frame below the drawing box; a first material guide plate is arranged in the pull box, the first material guide plate is obliquely and downwards arranged, and a first material guide opening is formed between the oblique lower end of the first material guide plate and the pull box; a second material guide plate is arranged in the material box frame below the first material guide opening, and the second material guide plate is obliquely arranged downwards; the output assembly comprises a first poking wheel and a first poking wheel motor for driving the first poking wheel to rotate; the first poking wheel motor can drive the first poking wheel to rotate in a conventional mode such as a belt and a gear; the first toggle wheel is connected to the output end of the second material guide plate, and a plurality of toggle grooves are formed in the circumferential outer side face of the first toggle wheel.
Preferably, the starting end of the third conveying section is lower than the tail end of the second conveying section, and an inclined plane is arranged for connection; a second poking wheel and a second poking wheel motor for driving the second poking wheel to rotate are arranged at the tail end part of the second conveying section; the axis of the second toggle wheel is parallel to the conveying direction of the second conveying section, and a plurality of toggle grooves are regularly arranged on the circumferential outer side surface of the second toggle wheel at equal angles; be equipped with on the second transport section and be used for detecting the cylinder lithium cell and get into completely and stir the second sensor in groove, the second sensor can set up and stir groove low reaches notch department, touches when the preceding tip of cylinder lithium cell during the second sensor, show that the cylinder lithium cell gets into completely and stir the groove, and then the rotatory one of second stirring wheel stirs the angle, carries the cylinder lithium cell on the inclined plane and then falls into the third transport section.
The technical scheme is adopted by the invention, and the automatic sorting equipment for the cylindrical lithium battery comprises a rack, and a feeding mechanism, a conveying mechanism, a polarity sorting mechanism, a sorting manipulator mechanism, a material box and two groups of OCV testing mechanisms which are arranged on the rack. The polarity sorting mechanism comprises a polarity detection assembly arranged on the tail end station of the first conveying section and a workpiece transfer assembly received on the tail end part of the first conveying section; the workpiece transfer assembly selectively conveys the cylindrical lithium battery to one of the second conveying sections based on the detection structure of the polarity detection assembly. Specifically, the work piece is transferred the subassembly during operation, is carried the cylinder lithium cell on the detection station of end by first transport section, detects the positive negative pole direction of judging the cylinder lithium cell via polarity detection subassembly to the cylinder lithium cell, then carries the work piece and transfers on the subassembly. A sorting motor in the workpiece transferring assembly controls the valve plate to move based on the detection result of the polarity detection assembly, and one of the outlet channel sections is closed. After the cylindrical lithium battery with the polarity detection is sent into the transferring channel of the transferring frame, the cylindrical lithium battery passes through the appointed outlet channel section under the action of gravity and falls into the appointed transferring channel, and the corresponding transferring cylinder triggers and drives the cylindrical lithium battery to be sent into the corresponding second conveying section. Therefore, the equipment is divided into two paths for sorting based on the polarity detection structure, and the polarity detection sorting function is added in the traditional sorting equipment; meanwhile, the method is different from the scheme of outputting the steering cylindrical lithium battery in the background technology, and has the advantages of reliable quality, low retest rate, effective improvement of the detection efficiency of the lithium battery and guarantee of the product quality.
Drawings
Fig. 1 is a schematic perspective view of a sorting device for cylindrical lithium batteries.
Fig. 2 is a schematic top view of a cylindrical lithium battery sorting apparatus.
Fig. 3 is a schematic structural view of the feeding mechanism.
Fig. 4 is a first structural diagram of the polarity detection assembly.
Fig. 5 is a schematic structural diagram of the polarity detection assembly.
Fig. 6 is a schematic view of the structure of the workpiece transfer assembly.
Fig. 7 is a schematic structural diagram of the second conveying section.
Fig. 8 is a schematic top view of the OCV test mechanism.
Fig. 9 is a perspective view of the OCV test mechanism.
Fig. 10 is a side view of the OCV test mechanism.
Fig. 11 is a schematic structural view of the sorting robot mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, which indicate orientations or positional relationships, are used based on the orientation or positional relationships illustrated in the drawings, are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention.
The sorting device for the cylindrical lithium batteries comprises a rack 1, and a feeding mechanism 2, a conveying mechanism, a polarity sorting mechanism, a sorting manipulator mechanism 4, a material box 6 and two groups of OCV testing mechanisms 5 which are arranged on the rack 1.
The feeding mechanism 2 comprises a box frame 21, a drawing box 22 arranged in the box frame 21, and an output assembly arranged in the box frame 21 below the drawing box 22. The first material guide plate 23 is arranged inside the drawing box 22, the first material guide plate 23 is arranged obliquely downwards, and a first material guide opening 24 is arranged between the oblique lower end of the first material guide plate 23 and the drawing box 22. A second material guiding plate 25 is arranged in the magazine rack 21 below the first material guiding opening 24, the second material guiding plate 25 is also arranged obliquely downwards, but the oblique direction of the second material guiding plate 25 is different from that of the first material guiding plate 23, so that after the cylindrical lithium battery rolls from the first material guiding plate 23 to the second material guiding plate 25, the kinetic energy accumulated on the first material guiding plate 23 is consumed, and a buffering effect is achieved. The output assembly includes a first wheel 26 and a first wheel motor 27 for driving the first wheel 26 to rotate. The first wheel motor 27 may drive the first wheel 26 to rotate by a belt, gears, or the like in a conventional manner. The first toggle wheel 26 is connected to the output end of the second material guiding plate 25, and a plurality of toggle grooves are arranged on the circumferential outer side surface of the first toggle wheel 26. After the cylindrical lithium batteries are supplemented into the drawing box 22, the cylindrical lithium batteries are guided by the first material guide plate 23 and the second material guide plate 25 and accumulated in the second material guide plate 25 and the space above the second material guide plate 25, the cylindrical lithium batteries at the output end of the second material guide plate 25 sequentially fall into the toggle groove in the rotating process of the first toggle wheel 26, and then the cylindrical lithium batteries are placed into the conveying mechanism by the first toggle wheel 26.
The conveying mechanism comprises a first conveying section 6a which is received on the output end of the feeding mechanism 2, two second conveying sections 6b which are received on the tail end portions of the first conveying section 6a, and two third conveying sections 6c which are received on the tail end portions of the two second conveying sections 6 b. The conveying direction of the first conveying section 6a is parallel to the conveying direction of the third conveying section 6c, and the conveying direction of the first conveying section 6a is perpendicular to the conveying direction of the second conveying section 6 b; the first conveying section 6a and the third conveying section 6c are conveyed along the radial direction of the cylindrical lithium battery, and the second conveying section 6b is conveyed along the axial direction of the cylindrical lithium battery. Specifically, the first conveying section 6a includes a first conveying belt 61 positioned on the frame 1 by a rotating shaft, and a first conveying motor 62 driving the first conveying belt 61, and first guide side walls 63 provided on both sides of the first conveying belt 61. The first conveying motor 62 drives the first conveying belt 61 to feed materials in a rotating mode through a belt rotating shaft, and the first guide side wall 63 guides the cylindrical lithium batteries on the first conveying belt 61. The second conveying section 6b includes a second conveying belt 64 positioned on the frame 1 by a rotating shaft, and a second conveying motor 65 driving the second conveying belt 64, and second guide side walls 66 provided on both sides of the second conveying belt 64. The second conveying motor 65 rotates through a belt rotating shaft to drive the second conveying belt 64 to feed materials in a rotating mode, and the second guide side wall 66 guides the cylindrical lithium batteries on the second conveying belt 64. The third conveyor belt includes a third conveyor belt 67 positioned on the frame 1 by a rotating shaft, and a third conveyor motor 68 driving the third conveyor belt 67, and third guide sidewalls 69 provided on both sides of the third conveyor belt 67. The third conveying motor 68 drives the third conveying belt 67 to feed materials in a rotating manner through a belt rotating shaft, and the third guiding side wall 69 guides the cylindrical lithium batteries on the third conveying belt 67.
The polarity sorting mechanism comprises a polarity detection component 3 arranged at the extreme end station of the first conveying belt 61 and a workpiece transfer component 7 received at the end part of the first conveying belt 61; the polarity detection assembly 3 comprises movable electrode holders 31 arranged on two sides of the first conveying belt 61, a polarity detection cylinder 32 and a return spring 33 for driving the movable electrode holders 31 to relatively approach or separate, and a detector connected with the movable electrode holders 31. Specifically, the movable electrode holders 31 are movably arranged on the same optical axis 34, two movable electrode holders 31 positioned between the upper conveying surface and the lower conveying surface of the first conveying belt 61 are connected through a return spring 33, the return spring 33 is sleeved on the optical axis between the two movable electrode holders 31, and the return spring 33 enables the two movable electrode holders 31 to approach each other; and the opposite surfaces of the two movable electrode holders 31 assume a beveled shape. The output direction of the polarity detection cylinder 32 is parallel to the feeding direction of the first conveyor belt 61, the output end of the polarity detection cylinder 32 is connected with a wedge-shaped block 35, and the wedge-shaped block 35 abuts against the inclined surface of the movable electrode holder 31. When the cylindrical lithium battery enters the detection station, the wedge-shaped block 35 is withdrawn from between the two movable electrode holders 31, the two movable electrode holders 31 are relatively close to each other under the action of the reset spring 33, the two movable electrode holders 31 are further contacted with the two poles of the cylindrical lithium battery, and the detector detects the polarity (namely, judges the directions of the positive pole and the negative pole of the cylindrical lithium battery). After the cylindrical lithium battery is detected, the polarity detection cylinder 32 drives the wedge-shaped block 35, so that when the wedge-shaped block 35 is pushed into the space between the two movable electrode holders 31, the wedge-shaped block 35 expands the distance between the two movable electrode holders 31 and overcomes the elastic force of the reset spring 33; at this point, the movable electrode holder 31 is separated with respect to the cylindrical lithium battery, which can be further transported.
The workpiece transfer assembly 7 is received downstream of the polarity detection assembly 3, and includes a transfer rack 71, a sorting valve disposed in the transfer rack 71, two transfer channels 73 disposed below the transfer rack 71, and two transfer cylinders 74 disposed on the two transfer channels, respectively. The two second conveying sections are respectively arranged at two sides of the first conveying section, and the starting ends of the second conveying sections are positioned below the tail end of the first conveying section. The two transfer paths 73 are disposed in parallel on both upstream and downstream sides of the transfer frame 71, where the upstream and downstream sides are based on the conveying direction of the first conveying stage, and the two second conveying stages are respectively received on the end portions of the two transfer paths 73. A channel is arranged in the transfer frame 71, is in an inverted Y shape and comprises an inlet channel section 751 and two outlet channel sections 752 communicated with the inlet channel section 751, and the two outlet channel sections 752 are respectively guided to the two transfer channels 73; first sensors are arranged in the two outlet channel sections 752 and used for sensing and detecting that the cylindrical lithium batteries pass through the outlet channel sections 752; the two transfer cylinders 74 are triggered by signals from the two first sensors, respectively. The sorting valve comprises a valve plate 72 hinged at the intersection of an inlet channel section 751 and two outlet channel sections 752, and a sorting motor for driving the valve plate 72 to rotate; the sorting motor controls the valve plate 72 to move based on the detection result of the polarity detection assembly, so that the valve plate 72 selectively closes the inlet of one of the outlet channel sections 752. When the workpiece transfer assembly works, the cylindrical lithium battery is conveyed to the tail end detection station by the first conveying section, the anode and cathode directions of the cylindrical lithium battery are detected and judged by the polarity detection assembly, and then the workpiece transfer assembly is conveyed. The sorting motor in the workpiece transfer assembly controls the valve plate 72 to move to close one of the outlet channel segments 752 based on the detection result of the polarity detection assembly. After the cylindrical lithium battery with the polarity detection is sent into the channel of the transferring frame 71, the cylindrical lithium battery passes through the designated outlet channel section 752 under the action of gravity and falls into the designated transferring channel 73, and then the corresponding transferring cylinder 74 triggers and drives to send the cylindrical lithium battery into the corresponding second conveying section. Based on the above scheme, a further preferred scheme is that a movable baffle 70 is arranged between the polarity detection assembly and the workpiece transfer assembly, and the movable baffle can block or release the cylindrical lithium battery on the first conveying section, on one hand, the movable baffle can be used for positioning the auxiliary cylindrical lithium battery polarity detection assembly to work, and on the other hand, the feeding efficiency of the workpiece transfer assembly is also controlled, so that errors are avoided.
The beginning of the third conveyor section 6c is lower than the end of the second conveyor belt 64 and has a bevel 60 engaging therewith. A second wheel-moving motor 81 and a second wheel-moving motor 82 for rotating the second wheel-moving motor 81 are provided at the end of the second conveyor belt 64. The second wheel motor 82 can drive the second wheel 81 to rotate by a belt, a gear, or the like in a conventional manner. The axis of the second toggle wheel 81 is parallel to the conveying direction of the second conveyor belt 64, and a plurality of toggle grooves are regularly arranged on the circumferential outer side surface of the second toggle wheel 81 at equal angles. Be equipped with on the second conveyer belt 64 and be used for detecting the cylinder lithium cell and get into completely and stir the second sensor in groove, the second sensor can set up and stir groove low reaches notch department, touches when the preceding tip of cylinder lithium cell during the second sensor, show that the cylinder lithium cell gets into completely and stirs the groove, then the rotatory one of second stirring wheel 81 stir the angle (stir the angle and refer to two adjacent central contained angles that stir the groove), carry the cylinder lithium cell on inclined plane 60 and then fall into the third and carry section 6 c.
Two sets of OCV accredited testing organization 5 set up respectively on two third conveyer belts 67, and the conveying face end of third conveyer belt 67 is equipped with the baffle, and OCV accredited testing organization 5 is located the baffle upper reaches, and OCV accredited testing organization 5 is including setting up the charge-discharge base in the third section of carrying 6c both sides to and be used for gathering the OCV test unit of the cylindrical lithium cell OCV parameter that awaits measuring. The charge and discharge base includes a fixed base plate 51, a movable base plate 52 movably disposed on the fixed base plate 51, and a plurality of charge and discharge cells 53 disposed on the movable base plate 52. Be equipped with the slide rail on the fixed base board 51, movable base board 52 sets up on the slide rail, is fixed with on the movable base board 52 and drives actuating cylinder, drives actuating cylinder's output and connects on fixed base board 51. When the output of the driving cylinder is changed, the movable base plate 52 can be driven to move on the slide rail. The plurality of charge and discharge units 53 are regularly distributed at equal intervals in the conveying direction of the third conveyor 67. Based on the structure, when the charging and discharging bases on the two sides are relatively close to and contact with the end part of the cylindrical lithium battery, the OCV testing unit collects OCV parameters of the cylindrical lithium battery to be tested; after the detection is finished, the charging and discharging bases on the two sides are relatively far away.
The sorting manipulator mechanism 4 comprises a sorting frame 41 fixed on the frame 1 between the two third conveyer belts 67, a sorting moving pair 42 movably arranged on the sorting frame 41, a sorting lifting pair arranged on the sorting moving pair 42, and a plurality of sorting grabbing pairs arranged on the sorting lifting frame. The sorting moving pair 42 can move along the sorting rack 41 above the OCV testing mechanisms 5 of the two third conveyor belts 67, and the sorting moving pair 42 can be implemented in various ways such as a linear motor pair or a screw pair. The sorting lifting pair comprises a base plate 43 fixed on the sorting moving pair 42, a lifting cylinder 44 fixed on the base plate 43, and a gripper frame 45 connected to the output end of the lifting cylinder 44; the lifting cylinder 44 drives the gripper frame 45 to move longitudinally to realize descending and lifting functions. A plurality of grabbing grooves 451 are arranged on the lower end face of the grabbing arm 45 side by side, and through holes are formed in the grabbing grooves 451; the plurality of sorting and gripping pairs are provided on the gripper frame 45 and correspond to the plurality of gripping grooves 451, respectively. The sorting and grabbing pair comprises a grabbing air cylinder 46 fixed above the grabbing groove 451 and a magnetic plate 47 arranged on the output end of the grabbing air cylinder 46, and the grabbing air cylinder 46 drives the magnetic plate 47 to extend into or withdraw from the grabbing groove 451. In a further preferred scheme, the sorting manipulator mechanism 4 further comprises a grabbing and lifting assembly arranged below the third conveyor belt 67, the grabbing and lifting assembly comprises a lifting cylinder 48 and a lifting frame connected to the output end of the lifting cylinder 48, the lifting frame comprises lifting plates 49 located on two sides of the third conveyor belt 67, and a plurality of grabbing auxiliary grooves matched with the grabbing grooves 451 are formed in the lifting plates 49. The magazine 6 is arranged on the frame 1 between the two third conveyor belts 67, the magazine 6 comprises a first area 61 and a second area 62 which are arranged left and right, and a plurality of material grooves 63 are arranged in the first area 61 and the second area 62. Based on the structure, after the OCV testing mechanism 5 finishes detecting, the sorting moving pair 42 in the sorting manipulator mechanism 4 moves to the position above the third conveyer belt 67, the grabbing and lifting assembly is executed, and the lifting cylinder 48 lifts the cylindrical lithium batteries on the third conveyer belt 67 to a certain height through the lifting frame; synchronously, the sorting lifting pair executes, and the lifting cylinder 44 drives the gripper frame 45 to move longitudinally; until the gripper frame 45 is attached to the lifting frame. Then, a plurality of sorting and grabbing pairs are started to execute, and the grabbing cylinder 46 drives the magnetic plate 47 to extend into the grabbing groove 451 and adsorb the cylindrical lithium batteries; then the grabbing and lifting assembly and the sorting and lifting pair reset to complete grabbing. After the grabbing is completed, the sorting moving pair 42 sequentially moves to the upper part of the corresponding material groove, after the sorting moving pair moves to the upper part of the specific material groove, the sorting lifting pair starts to descend, then the grabbing cylinder 46 in the partial sorting grabbing pair drives the magnetic plate 47 to withdraw from the grabbing groove 451, the adsorption is cancelled, and the cylindrical lithium battery falls into the material groove. In the above-mentioned step, the vice executive work of snatching in the separation is based on OCV accredited testing organization 5 detection data, obtains the open circuit voltage of cylinder lithium cell after OCV accredited testing organization 5 detects promptly, and then the pair of snatching in the separation is based on this open circuit voltage only when moving to the silo top of settlement, and the pair just can put down the cylinder lithium cell in the separation and snatch. Furthermore, the number of cylindrical lithium batteries which are transferred in a single execution mode by the sorting manipulator mechanism 4 is large, and is generally 8-15 lithium batteries; efficiency is higher for the actuating mechanism of this equipment upstream, so this scheme adopts same separation manipulator mechanism 4 cooperation two third conveyer belts 67 to select separately. Further, the first region 61 and the second region 62 of the cartridge 6 are respectively used for corresponding to the two third conveyor belts 67, and the sorting is performed based on the polarity sorting and the OCV test. In addition, still be equipped with the work piece on the magazine 6 and shift the motor to the transfer of drive work piece transfer area, the work piece transfer area can carry the cylinder lithium cell that sorting manipulator mechanism 4 fell into to the magazine 6 other end fast, avoids producing in blanking department and piles up.
This sorting facilities of cylinder lithium cell adopts above-mentioned structure, send into the cylinder lithium cell by 2 departments of feed mechanism earlier, then get into conveying mechanism, first transport section 6a tip among the conveying mechanism carries out polarity and selects separately, carry respectively on two second transport sections 6b, the second is carried section 6 b's end and is carried to third transport section 6c through stirring of second toggle wheel 81, carry section 6c on the third and detect via OCV accredited testing organization 5, remove the cylinder lithium cell to the silo that corresponds by sorting manipulator mechanism 4 at last, the completion is selected separately.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. The automatic sorting equipment for the cylindrical lithium batteries comprises a rack, and a feeding mechanism, a conveying mechanism, a polarity sorting mechanism, a sorting manipulator mechanism, a material box and two groups of OCV testing mechanisms which are arranged on the rack; the method is characterized in that:
the conveying mechanism comprises a first conveying section, two second conveying sections and two third conveying sections, wherein the first conveying section is connected to the output end of the feeding mechanism in a bearing mode, the two second conveying sections are connected to the tail end of the first conveying section in a bearing mode, and the two third conveying sections are connected to the tail ends of the two second conveying sections in a bearing mode; the conveying direction of the first conveying section is parallel to that of the third conveying section, and the conveying direction of the first conveying section is perpendicular to that of the second conveying section; the two second conveying sections are respectively arranged at two sides of the first conveying section, and the starting ends of the second conveying sections are positioned below the tail end part of the first conveying section;
the polarity sorting mechanism comprises a polarity detection component arranged on the extreme end station of the first conveying section and a workpiece transfer component received on the end part of the first conveying section; the workpiece transferring assembly comprises a transferring frame, a sorting valve arranged in the transferring frame, two transferring channels arranged below the transferring frame, and two transferring cylinders respectively arranged on the two moving channels; the two transfer channels are arranged on the two sides of the upstream and downstream of the transfer frame in parallel, and the two second conveying sections are respectively connected to the tail end parts of the two transfer channels; a channel is arranged in the transfer frame, is in an inverted Y shape and comprises an inlet channel section and two outlet channel sections communicated with the inlet channel section, and the two outlet channel sections are respectively guided to the two transfer channels; the two outlet channel sections are internally provided with first sensors which are used for sensing and detecting that the cylindrical lithium battery passes through the outlet channel sections; the two transfer cylinders are respectively triggered by signals of the two first sensors; the sorting valve comprises a valve plate hinged at the intersection of an inlet channel section and two outlet channel sections and a sorting motor for driving the valve plate to rotate; the sorting motor controls the valve plate to move based on the detection result of the polarity detection assembly, so that the valve plate selectively seals the inlet of one of the outlet channel sections.
2. The automatic sorting apparatus for cylindrical lithium batteries according to claim 1, wherein: the polarity detection assembly comprises movable electrode seats arranged on two sides of the first conveying section, a polarity detection cylinder and a return spring for driving the movable electrode seats to relatively approach or depart from, and a detector connected with the movable electrode seats; the movable electrode holders are movably arranged on the same optical axis, and two movable electrode holders positioned between the upper conveying surface and the lower conveying surface of the first conveying section are connected through a return spring which enables the two movable electrode holders to approach each other; and the opposite surfaces of the two movable electrode seats are in the shape of an inclined plane; the output direction of the polarity detection cylinder is parallel to the feeding direction of the first conveying section, and the output end of the polarity detection cylinder is connected with a wedge-shaped block which is abutted to the inclined surface of the movable electrode seat.
3. The automatic sorting apparatus for cylindrical lithium batteries according to claim 1, wherein: the two groups of OCV testing mechanisms are respectively arranged on the two third conveying sections, the tail ends of the conveying surfaces of the third conveying sections are provided with baffle plates, and the OCV testing mechanisms are positioned at the upstream of the baffle plates; the OCV testing mechanism comprises charge and discharge bases arranged on two sides of the third conveying section and an OCV testing unit used for collecting OCV parameters of the cylindrical lithium battery to be tested; the charging and discharging base comprises a fixed base plate, a movable base plate movably arranged on the fixed base plate, and a plurality of charging and discharging units arranged on the movable base plate; the fixed base plate is provided with a slide rail, the movable base plate is arranged on the slide rail, the movable base plate is fixedly provided with a driving cylinder, and the output end of the driving cylinder is connected to the fixed base plate; the plurality of charging and discharging units are regularly distributed at equal intervals along the conveying direction of the third conveying section.
4. The automatic sorting apparatus for cylindrical lithium batteries according to claim 1, wherein: the sorting manipulator mechanism comprises a sorting frame fixed on the rack between the two third conveying sections, a sorting moving pair movably arranged on the sorting frame, a sorting lifting pair arranged on the sorting moving pair, and a plurality of sorting grabbing pairs arranged on the sorting lifting frame; the sorting lifting pair comprises a base plate fixed on the sorting moving pair, a lifting cylinder fixed on the base plate and a gripper frame connected to the output end of the lifting cylinder; the lifting cylinder drives the gripper frame to move longitudinally to realize the functions of descending and lifting; a plurality of grabbing grooves are arranged on the lower end face of the grabbing hand rack side by side, and through holes are formed in the grabbing grooves; the plurality of sorting and grabbing pairs are arranged on the grabbing hand rack and respectively correspond to the plurality of grabbing grooves; the sorting grabbing pair comprises a grabbing cylinder fixed above the grabbing groove and a magnetic plate arranged on the output end of the grabbing cylinder, and the grabbing cylinder drives the magnetic plate to stretch into or withdraw from the grabbing groove.
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| CN201810611938.5A CN108714574B (en) | 2018-06-14 | 2018-06-14 | Automatic sorting equipment of cylinder lithium cell |
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| CN201810611938.5A CN108714574B (en) | 2018-06-14 | 2018-06-14 | Automatic sorting equipment of cylinder lithium cell |
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| CN108714574B true CN108714574B (en) | 2020-07-10 |
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| CN110010803B (en) * | 2019-04-18 | 2024-04-16 | 浙江金麦特自动化系统有限公司 | Automatic removing and processing system and method for rubber cap of lead-acid battery |
| CN111957580A (en) * | 2020-07-14 | 2020-11-20 | 昆山金誉鑫自动化设备有限公司 | Battery sorting machine |
| CN112871695B (en) * | 2020-12-15 | 2024-03-08 | 深圳市中科德睿智能科技有限公司 | Battery detection device |
| CN113351511A (en) * | 2021-06-11 | 2021-09-07 | 宁波东方电子有限公司 | Contact piece detection and battery assembly equipment and use method thereof |
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| JP2000048775A (en) * | 1998-07-28 | 2000-02-18 | Toshiba Battery Co Ltd | Battery manufacturing equipment |
| US6781344B1 (en) * | 2003-02-11 | 2004-08-24 | Fuji Photo Film, Inc. | Battery tester and sorting apparatus |
| CN105935663B (en) * | 2016-04-12 | 2018-03-06 | 中国矿业大学 | A kind of lithium battery sorting manipulator device |
| CN205762435U (en) * | 2016-05-30 | 2016-12-07 | 宁波金橙新能源有限公司 | A kind of lithium battery automatic voltage measurement device |
| CN105966878B (en) * | 2016-07-30 | 2018-04-20 | 东莞市台工电子机械科技有限公司 | A kind of quick blanking delivering sorting machine of Full-automatic lithium battery battery and its method of work |
| CN206838550U (en) * | 2017-06-09 | 2018-01-05 | 江西省灿辉新能源科技有限公司 | A kind of lithium battery sorting equipment |
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