CN220382108U - Edge covering mechanism and edge covering device - Google Patents

Abstract

An edge covering mechanism and an edge covering device belong to the technical field of solar cell production equipment. The edge covering device comprises an edge covering mechanism, wherein the edge covering mechanism comprises a supporting table and an edge covering assembly. The supporting table is used for fixing the battery piece, and the edge of the battery piece protrudes out of the supporting table along the circumferential direction of the supporting table. The edge covering assembly comprises a rotating piece, a linear moving piece and an edge covering wheel; the rotating piece is used for enabling the supporting table and the linear moving piece to rotate relatively around the center of the battery piece placed on the supporting table; the linear moving piece is provided with a moving direction, and the movable end of the linear moving piece is connected with the edge covering wheel so as to drive the edge covering wheel to reciprocate along the moving direction, so that the edge covering wheel is tangent to the edge of the battery piece. Utilize this application example to provide the mechanism of borduring to bordure, can utilize but reciprocating motion's wheel of borduring tangent in proper order with the different positions at the edge of relative rotation battery piece, carry out the bordure, improve the efficiency of borduring.

Description

Edge covering mechanism and edge covering device

Technical Field

The application relates to the technical field of solar cell production equipment, in particular to an edge covering mechanism and an edge covering device.

Background

In some solar cell manufacturing processes, a transparent conductive oxide film (ITO film) is required to be manufactured on the surface of an amorphous silicon cell, and then a copper seed layer with a certain thickness (about 100 nm) is required to be manufactured, so that the heterojunction cell with a copper gate line can be manufactured. And preparing a photoresist layer on the copper seed layer, exposing and developing the designated electrode pattern area, and then electroplating to grow a copper grid line in a required place. In order to prevent the copper seed layer at the edge of the battery from being permeated by the electroplating solution when the grid line is grown to cause the grid line at the edge of the battery to fall off, and the copper plating at the side surface to cause the front and back short circuit of the battery, the edge of the battery piece needs to be encapsulated (namely edge wrapping treatment) before the copper seed layer is prepared.

Currently, the manner of performing the edging process on the battery sheet is generally as follows: the battery piece moves linearly through the conveyor, one edge of the battery piece contacts with the edge wrapping wheel in the linear movement process, and a layer of adhesive film is formed on the surface of the first edge in a wrapping mode; then, after the battery piece rotates 90 degrees, the conveyor is used for driving the battery piece to perform linear motion, so that the second edge of the battery piece is contacted with the edge wrapping wheel, and a layer of adhesive film is formed on the surface of the second edge in a wrapping mode; and then repeating the steps, and sequentially wrapping the four edges of the battery piece.

However, when the conventional taping method is used for taping, the battery piece rotates and moves back and forth a plurality of times, and the taping efficiency is low.

Disclosure of Invention

An object of the present application is to provide an edge covering mechanism and an edge covering device, so as to partially or completely improve the problem of low edge covering efficiency in the related art.

In a first aspect, embodiments of the present application provide an edge covering mechanism including a support table and an edge covering assembly. The supporting table is used for fixing the battery piece, and the edge of the battery piece protrudes out of the supporting table along the circumferential direction of the supporting table. The edge covering assembly comprises a rotating piece, a linear moving piece and an edge covering wheel; the rotating piece is used for enabling the supporting table and the linear moving piece to rotate relatively around the center of the battery piece placed on the supporting table; the linear moving piece is provided with a moving direction, and the movable end of the linear moving piece is connected with the edge covering wheel so as to drive the edge covering wheel to reciprocate along the moving direction, so that the edge covering wheel is tangent to the edge of the battery piece.

In the implementation process, the rotating piece in the edge covering assembly is used for enabling the supporting table and the linear moving piece to relatively rotate around the center of the battery piece placed on the supporting table, the edge covering wheel moves back and forth along the moving direction of the linear moving piece, different positions of the edge of the battery piece which is relatively rotated can be sequentially tangent to the edge of the battery piece, edge covering is sequentially carried out on the edge of the battery piece, and edge covering efficiency is improved.

In combination with the first aspect, in an alternative embodiment of the present application, the movable end of the rotating member is connected to the fixed end of the linear moving member.

The movable end of the rotating piece is connected with the fixed end of the linear moving piece, the rotating piece can be utilized to drive the edge wrapping wheel connected to the linear moving piece to rotate along the center of the battery piece, so that the edge wrapping wheel sequentially rotates to the edges of different positions of the battery piece, and the edge wrapping wheel is tangent to the edges of the positions through the linear moving piece to carry out edge wrapping.

With reference to the first aspect, in an alternative embodiment of the present application, the movable end of the rotating member is connected to the support table.

In the implementation process, the movable end of the rotating piece is connected with the supporting table, so that the battery piece fixed on the supporting table can be driven to rotate around the center of the supporting table, the edges of different positions of the battery piece are sequentially rotated to the edge wrapping wheel, and the edge wrapping wheel is tangent to the edges of the positions through the linear moving piece to carry out edge wrapping.

With reference to the first aspect, in an optional embodiment of the present application, the hemming mechanism further includes an elevator for adjusting a distance between the hemming wheel and the support table.

In the implementation process, after the battery piece is fixed on the supporting table, the lifter is utilized to adjust the distance between the edge covering wheel and the supporting table, so that the edge of the battery piece and the glue outlet position of the edge covering wheel are located on the same plane, and the edge of the battery piece is conveniently covered.

In combination with the first aspect, in an alternative embodiment of the present application, the movable end of the lifter is connected to the fixed end of the linear moving object.

Alternatively, the movable end of the elevator is connected to the support table.

In the implementation process, the movable end of the lifter is connected with the fixed end of the linear moving member, and the lifter can be utilized to drive the linear moving member to do lifting motion, so that the edge covering wheel connected to the linear moving member is driven to do lifting motion, and the edge covering wheel is close to the battery piece fixed at the supporting table.

Or, the movable end of the lifter is connected with the supporting table, and the lifter can be utilized to drive the supporting table to do lifting movement, so that the battery piece fixed on the supporting table is driven to do lifting movement, and the battery piece is close to the edge covering wheel.

With reference to the first aspect, in an optional embodiment of the present application, the supporting table is provided with a suction cup for adsorbing and fixing the battery piece.

In the implementation process, the sucker is arranged at the supporting table, so that the battery piece can be adsorbed and fixed, and the probability of poor edge covering caused by movement of the battery piece in the edge covering process is reduced. And, utilize sucking disc to adsorb the battery piece, the sucking disc can not influence the contact of the edge of relative rotatory battery piece and bordure wheel basically.

In combination with the first aspect, in an alternative embodiment of the present application, the edge covering assembly includes two or four sets of linear moving members and edge covering wheels that are matched with each other, and the two or four sets of linear moving members are centrosymmetric along the center.

In the implementation process, two or four groups of linear moving parts and edge covering wheels matched with each other are distributed in a central symmetry manner along the center of the battery piece, and edges of the battery piece can be covered by the two or four groups of linear moving parts and the edge covering wheels matched with each other at the same time, so that the relative rotation angle of the battery piece is reduced, and the edge covering efficiency is improved.

In a second aspect, examples of the present application provide an edge binding apparatus comprising the edge binding mechanism provided in the first aspect.

In the above-mentioned realization process, in the device of borduring, utilize the mechanism of borduring that the first aspect provided to bordure the battery piece, because the rotating member in the subassembly of borduring is arranged in making brace table and linear movement piece around the center relative rotation of the battery piece of placing on the brace table to the wheel of borduring is along the direction of movement reciprocating motion of linear movement piece, can make the wheel of borduring tangent with the edge of the battery piece of relative rotation, bordure the edge of battery piece in proper order, can improve the efficiency of borduring of the device of borduring.

With reference to the second aspect, in an optional embodiment of the present application, the hemming device further includes a feeding mechanism, where the feeding mechanism includes a feeding assembly, a transferring assembly and a blanking assembly; the middle rotating assembly comprises a rotary manipulator, and the supporting table is arranged at the movable end of the rotary manipulator; the rotary manipulator can selectively enable the supporting table to rotate below the feeding component, the edge covering component or the blanking component; the feeding mechanical arm in the feeding assembly is used for placing the battery piece before the edge wrapping on the supporting table, and the discharging mechanical arm in the discharging assembly is used for taking out the battery piece after the edge wrapping from the supporting table.

In the implementation process, the feeding mechanism is further arranged in the edge covering device, a feeding manipulator of a feeding assembly in the feeding mechanism can be utilized to place the battery piece before edge covering on a supporting table at a rotating manipulator of the transfer assembly, then the supporting table is rotated to the lower side of the edge covering assembly by the rotating manipulator, and the edge covering assembly is utilized to edge the battery piece. After the edge is covered, the supporting table is rotated to the lower part of the blanking assembly by using the rotary manipulator, and the battery piece after the edge is covered is taken out of the supporting table by using the blanking manipulator of the blanking assembly, so that the edge covering efficiency of the edge covering device is improved.

In combination with the second aspect, in an optional embodiment of the present application, the edge covering device includes a plurality of groups of edge covering mechanisms, the transfer mechanism is provided with a support, a plurality of supporting tables are arranged at intervals on the support, the feeding manipulator is used for placing the battery pieces before the plurality of edges are covered in the supporting tables in a one-to-one mode, and the discharging manipulator is used for taking out the battery pieces after the edges are covered in the one-to-one mode from the supporting tables.

In the implementation process, a plurality of groups of edge covering mechanisms are arranged in the edge covering device, the transfer assembly is provided with a support for placing a plurality of supporting tables, and the edge covering device can be utilized to simultaneously cover a plurality of battery pieces, so that the edge covering efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of a battery sheet after edging;

FIG. 2 is a schematic plan view of a prior art hemming apparatus;

FIG. 3 is a schematic view of an edge covering device according to an example of the present application;

FIG. 4 is a top perspective view of a first binding mechanism provided by examples of the present application;

FIG. 5 is a front view of a second binding mechanism provided by examples of the present application;

FIG. 6 is a top perspective view of a second binding mechanism provided by examples of the present application;

FIG. 7 is a top perspective view of a third hemming mechanism provided by the present example;

fig. 8 is a schematic diagram of an edge wrapping process of the first edge wrapping mechanism provided in the example of the present application.

Icon:

101-a battery piece; 102-an adhesive layer; 103-edge covering equipment; 1031-a conveyor; 1032—a rotating platform; 1033-a slide holder;

100-edge covering device; 1-an edge covering mechanism; 11-a support table; 111-sucking discs; 12-an edge-covering assembly; 121-a rotating member; 122-linear motion member; 123-Edge wrapping wheels; 13-an elevator; 2-a feeding mechanism; 21-a feeding assembly; 22-a transfer assembly; 221-a rotary manipulator; 222-a bracket; 23-blanking components; d1-direction of movement _。

Detailed Description

Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the present application and in the description of the drawings above are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Currently, in the process of manufacturing a solar cell with an electroplated grid line, in order to prevent the grid line at the edge of the cell from falling off due to infiltration of an electroplating solution into a copper seed layer at the edge of the cell and short circuit of the front and back sides of the cell due to copper plating on the side, an encapsulation treatment (i.e., a taping treatment) is required to be performed on the edge of the cell 101 before the copper seed layer is manufactured.

As shown in fig. 1, the schematic cross-section of the battery piece 101 after the edge wrapping treatment is shown, the adhesive layer 102 is in a concave structure, a certain width and thickness are formed at the front and back sides of the thickness direction of the battery piece 101, and the adhesive layer 102 with a certain width and thickness is formed at the side edge of the battery piece 101, so that the copper seed layer at the edge of the battery piece 101 is prevented from being contacted with electroplating liquid in the electroplating process.

Referring to fig. 2, the apparatus for taping the battery piece 101 includes a conveyor 1031 that moves linearly, a rotary table 1032 disposed on the conveyor 1031, and a stage 1033 disposed on the rotary table 1032, and a taping wheel 123 disposed on one side of the conveyor 1031, wherein the taping wheel 123 can rotate around its own axis.

When the existing edge wrapping device 103 is used for wrapping the battery piece 101, the battery piece 101 is firstly required to be placed on the carrying platform 1033, the first edge of the battery piece 101 is tangential to the edge wrapping wheel 123, then the conveyor 1031 is used for driving the battery piece 101 to move, and the edge of the first edge of the battery piece 101 is wrapped to form the adhesive layer 102. Then, the rotating platform 1032 is utilized to rotate the battery piece 101 by 90 degrees, so that the second edge of the battery piece 101 is positioned at a position tangential to the edge covering wheel 123, and then the conveyor 1031 is utilized to drive the battery piece 101 to move, so that the second edge of the battery piece 101 is sequentially contacted with the edge covering wheel, and an adhesive layer 102 is formed on the second edge of the battery piece 101; the above steps are repeated to sequentially form the adhesive layer 102 on the third and fourth edges of the battery sheet 101.

The battery piece 101 is covered by the existing covering device 103, the battery piece 101 needs to be moved and rotated for multiple times, the rotated battery piece can be moved for a certain distance to be used as a foundation of the covering wheel, more ineffective moving time and standby time exist, and the covering efficiency is low.

Therefore, the edge covering device is further improved, so that the edge covering efficiency can be improved to a certain extent. In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

Referring to fig. 3, an example of the present application provides an edge covering device 100, which includes an edge covering mechanism 1.

Referring to fig. 4, the taping mechanism 1 includes a support table 11 and a taping assembly 12. The support table 11 is used to fix the battery piece 101, and the edge of the battery piece 101 protrudes from the support table 11 in the circumferential direction of the support table 11.

With continued reference to fig. 4, the taping assembly 12 includes a rotary member 121, a linear moving member 122, and a taping wheel 123. The rotating member 121 is used to relatively rotate the support table 11 and the linear moving member 122 about the center of the battery cell 101 placed on the support table 11. The linear moving member 122 has a moving direction D1, and a movable end of the linear moving member 122 is connected to the taping wheel 123 to drive the taping wheel 123 to reciprocate along the moving direction D1, so that the taping wheel 123 is tangent to the edge of the battery piece 101.

The battery piece 101 is generally rectangular, and the center of the battery piece 101 refers to the intersection of two diagonal lines of the rectangle.

In the edge wrapping device 100, the rotating member 121 in the edge wrapping assembly 12 is configured to enable the supporting table 11 and the linear moving member 122 to relatively rotate around the center of the battery piece 101 placed on the supporting table 11, and the edge wrapping wheel 123 reciprocates along the moving direction D1 of the linear moving member 122, so that the edge wrapping wheel 123 and different positions of the edge of the relatively rotating battery piece 101 are sequentially tangent, edge wrapping is sequentially performed on different positions of the edge of the battery piece 101, standby time of the edge wrapping wheel 123 in the edge wrapping process is reduced, and edge wrapping efficiency is improved.

The following describes the support table 11 and the taping assembly 12 in the taping mechanism 1 provided in the present example in further detail with reference to the accompanying drawings.

The supporting table 11 is used for fixing the battery piece 101, so that the edge of the battery piece 101 protrudes out of the supporting table 11 along the circumferential direction of the supporting table 11, and the edge wrapping wheel is in contact with the edge of the battery piece 101 for edge wrapping.

The specific structure of the support table 11 is not limited in this application, and the relevant person may make a corresponding choice as required.

In one possible embodiment, the support table 11 may be flat plate-shaped, and the length and width of the battery cells 101 are larger than the size of the flat plate-shaped support table 11.

Illustratively, the support table 11 may be a circular flat plate having a diameter smaller than the diameter of the inscribed circle of the battery cells 101.

Illustratively, the support table 11 may be a quadrangular plate having a diameter of an circumscribed circle smaller than that of the inscribed circle of the battery cells 101.

Further, in order to facilitate fixing of the battery plate 101, referring to fig. 3 and 4, a plurality of suction cups 111 may be provided at the support table 11.

The rotating member 121 in the edging assembly 12 is used for relatively rotating the supporting table 11 and the linear moving member 122 around the center of the battery piece 101 placed on the supporting table 11, so that the edging wheel 123 can be sequentially opposite to different positions of the edge of the battery piece 101, and the edging wheel 123 is driven to reciprocate by the linear moving member 122, so that the edging wheel 123 is tangent to the edge of the battery piece 101 for edging.

The present application does not limit how the rotating member 121 rotates the supporting table 11 and the linear moving member 122 relatively around the center of the battery piece 101 placed on the supporting table 11, and in one possible embodiment, the movable end of the rotating member 121 is connected to the supporting table 11 to drive the supporting table 11 to rotate, so that the battery piece 101 fixed on the supporting table 11 rotates.

Illustratively, the rotary member 121 includes a rotary electric machine, referring to fig. 5, the output shaft of which is connected to the bottom of the circular support table 11 such that the support table 11 rotates coaxially with the output shaft.

Alternatively, in order to improve the edge covering quality, in another possible embodiment, the output end of the rotating member 121 may be connected to the fixed end of the linear moving member 122 to rotate the linear moving member 122, so that the edge covering wheel 123 connected to the linear moving member 122 rotates relative to the battery piece 101 on the supporting table 11.

For example, referring to fig. 4, the edge covering assembly 12 is provided with a rotating disc, on which the linear moving member 122 is connected, and the moving direction D1 of the linear moving member 122 passes through the center of the rotating disc. The center of the rotating disc is connected with the output shaft of the rotating motor, and the rotating motor drives the disc to rotate, so that the linear moving member 122 connected to the rotating disc is driven to move. The center of the rotating disk coincides with the center of the battery piece 101 placed on the support table 11.

The linear moving member 122 is configured to drive the taping wheel 123 to reciprocate along the moving direction D1, so that the taping wheel 123 can be sequentially tangent to the edge of the relatively rotating battery piece 101.

The specific structure of the linear motion member 122 is not limited in this application, and the related person may make corresponding selections as needed.

In one possible embodiment, the linear moving member 122 is a screw-nut pair, and the nut drives the hemming wheel 123 to reciprocate along the axial direction of the screw under the action of the rotating motor.

Alternatively, in one possible embodiment, the linear moving member 122 includes a chute extending along the moving direction D1, and a slider slidingly coupled with the chute. The slider is connected with the wheel 123 of borduring, and one side of slider is connected with the spring, and the other end of spring is connected to the one end that the spout kept away from the center, and when the battery piece 101 was rotatory, the edge of battery piece 101 can promote the slider and remove, makes the wheel 123 of borduring tangent with the edge of battery piece 101.

The taping wheel 123 is used for coating the edge of the battery piece 101 with the binding glue, the specific structure of the taping wheel 123 is not limited in this application, and related personnel can make corresponding adjustments as required.

In one possible embodiment, with continued reference to fig. 5, the taping wheel 123 is in the shape of a dumbbell, and the edges of the battery cells 101 extend into the concave portion between the ends of the dumbbell. The edge at the indent position of the edge covering wheel 123 is provided with a plurality of glue outlet holes, and the inside of the edge covering wheel 123 is provided with a storage space for containing glue stock. When the edge is covered, the edge covering wheel 123 rotates, so that the glue stored in the storage space can overflow to the concave part of the edge covering wheel 123 from the glue outlet under the action of inertia force, and the overflowed glue is contacted with the edge of the battery piece 101 stretching into the concave part, and the edge of the battery piece 101 is covered.

To further improve the taping efficiency of the taping mechanism 1, in one possible embodiment, the taping mechanism 1 may include multiple sets of taping wheels 123 and linear moving members 122 that cooperate with each other to facilitate taping the edges of the battery sheet 101 simultaneously with the multiple taping wheels 123.

For example, referring to fig. 6, a set of hemming wheels 123 and a linear moving member 122 may be respectively provided in a diameter direction of the rotating disc.

Alternatively, referring to fig. 7, four sets of hemming wheels 123 and linear moving members 122 are symmetrically arranged around the center of the rotating disc. Four groups of edge-covering wheels 123 and linear moving members 122 are arranged, so that four edges of the battery piece 101 can be simultaneously covered.

Further, to facilitate adjusting the distance between the taping wheel 123 and the battery piece 101, the concave portion of the taping wheel 123 is located on the same plane as the battery piece 101 so that the edge of the battery piece 101 extends into the concave portion of the taping wheel 123, and in one possible embodiment, the taping mechanism 1 further includes a lifter 13.

The present application does not limit how the elevator 13 adjusts the distance between the taping wheel 123 and the battery sheet 101, and in one possible embodiment, the output end of the elevator 13 is connected to the support table 11.

For example, with continued reference to fig. 5, the output end of the elevator 13 is connected to the fixed end of the rotating member 121. In operation, the battery piece 101 may be fixed on the circular support table 11 such that the center of the battery piece 101 coincides with the center of the support table 11. The lifter 13 is used for driving the rotating member 121, the supporting table 11 and the battery piece 101 to move up and down together, so that the edge of the battery piece 101 and the concave part of the edge covering wheel 123 are located on the same plane, then the rotating member 121 drives the supporting table 11 and the battery piece 101 to coaxially rotate, and meanwhile the edge covering wheel 123 moves under the action of the linear moving member 122, so that the edge of the battery piece 101 is located on the concave part of the edge covering wheel 123, and edge covering is performed.

Alternatively, in another possible embodiment, the output end of the lifter 13 is connected to the fixed end of the linear moving object 122.

For example, with continued reference to fig. 4, the stationary end of the linear motion member 122 is fixed to a rotating disc that is coupled to the output end of the elevator 13. During operation, the battery plate 101 may be fixed to the circular support 11 such that the center of the battery plate 101 coincides with the center of the rotating disk. The lifter 13 drives the rotating disc, the linear moving member 122 and the edge covering wheel 123 to move up and down together, so that the edge of the battery piece 101 and the concave part of the edge covering wheel 123 are positioned on the same plane. The taping wheel 123 is then rotated around the center of the battery sheet 101 by the rotating disc. Meanwhile, the edge covering wheel 123 moves under the action of the linear moving member 122, so that different positions of the edge of the battery piece 101 are sequentially located at the concave part of the edge covering wheel 123 for edge covering.

Alternatively, in one possible embodiment, the output end of the lifter 13 is connected to the taping wheel 123, and the fixed end of the lifter 13 is connected to the movable end of the linear-motion member 122. In the working process, the battery piece 101 can be fixed on the round supporting table 11, and the lifter 13 is used for driving the edge covering wheel 123 to move up and down, so that the edge of the battery piece 101 and the concave part of the edge covering wheel 123 are located on the same plane. Then, the edge-covering wheel 123 moves under the action of the linear moving member 122, so that different positions of the edge of the battery piece 101 sequentially extend into the concave portion of the edge-covering wheel 123 for edge-covering.

The particular type of hemming device 100 is not limited by the present application, and the relevant personnel may make corresponding adjustments as desired.

In one possible embodiment, referring to fig. 3, the hemming device 100 further includes a feeding mechanism 2. The feeding mechanism 2 comprises a feeding assembly 21, a transferring assembly 22 and a discharging assembly 23. The transfer assembly 22 comprises a rotary manipulator 221, and the supporting table 11 is arranged at the movable end of the rotary manipulator 221; the rotary robot 221 selectively rotates the support table 11 under the loading assembly 21, the taping assembly 12 or the blanking assembly 23. The feeding manipulator in the feeding assembly 21 is used for placing the battery piece 101 before edge wrapping on the supporting table 11, and the discharging manipulator in the discharging assembly 23 is used for taking out the battery piece 101 after edge wrapping from the supporting table 11.

To further increase the taping efficiency of the taping device 100, in one possible embodiment, the taping device 100 includes multiple sets of taping mechanisms 1. The transfer assembly 22 is provided with a support 222, a plurality of supporting tables 11 are arranged on the support 222 at intervals, the feeding mechanical arm is used for placing the plurality of battery pieces 101 before edge wrapping on the supporting tables 11 in a one-to-one correspondence manner, and the discharging mechanical arm is used for taking out the battery pieces 101 after edge wrapping from the supporting tables 11 in a one-to-one correspondence manner.

For example, referring to fig. 3, the taping device 100 includes two sets of taping mechanisms 1.

Further, the transferring assembly 22 may include a plurality of rotating manipulators 221, where the plurality of rotating manipulators 221 sequentially transfer the battery pieces 101, so as to improve the feeding efficiency and further improve the taping efficiency of the taping device 100.

The working principle of the edge covering mechanism 1 provided by the embodiment of the application is as follows:

with continued reference to fig. 4, prior to taping, the first edge of the battery piece 101 is tangent to the taping wheel 123 by securing the battery piece 101 to the support 11. In the process of taping, referring to fig. 8, the rotating member 121 rotates the battery piece and the taping wheel 123 relatively, and the taping wheel 123 moves along the moving direction D1, so that the second edge of the battery piece 101 is tangent to the taping wheel; as the rotation process continues, the third edge and the fourth edge of the battery piece 101 are tangent in sequence, and edge wrapping is completed.

When the edge wrapping mechanism 1 is provided with two groups of edge wrapping wheels 123 and the linear moving member 122, the two groups of edge wrapping wheels 123 respectively wrap two opposite edges of the battery piece 101.

When the edge covering mechanism 1 is provided with four groups of edge covering wheels 123 and linear moving members 122 which are distributed in a central symmetry mode, the four groups of edge covering wheels 123 respectively cover four edges of the battery piece 101 during edge covering.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (10)

1. An edge covering mechanism, comprising:

the support table is used for fixing the battery piece, and the edge of the battery piece protrudes out of the support table along the circumferential direction of the support table;

the edge covering assembly comprises a rotating piece, a linear moving piece and an edge covering wheel; the rotating member is used for enabling the supporting table and the linear moving member to relatively rotate around the center of the battery piece placed on the supporting table; the movable end of the linear moving piece is connected with the edge wrapping wheel so as to drive the edge wrapping wheel to reciprocate along the moving direction, so that the edge wrapping wheel is tangent to the edge of the battery piece.

2. The taping mechanism of claim 1, wherein the movable end of the rotating member is connected to the fixed end of the linearly moving member.

3. The taping mechanism of claim 1, wherein a movable end of the swivel member is connected to the support table.

4. The taping mechanism of claim 1, further comprising an elevator for adjusting a distance between the taping wheel and the support table.

5. The taping mechanism of claim 4, wherein a movable end of the elevator is connected to a fixed end of the straight moving member;

alternatively, the movable end of the lifter is connected with the supporting table.

6. The taping mechanism of claim 1, wherein the support table is provided with suction cups for suction fixing the battery pieces.

7. The taping mechanism of any one of claims 1-6, wherein the taping assembly comprises two or four sets of the rectilinear motion pieces and the taping wheel that cooperate with each other, the two or four sets of the rectilinear motion pieces being centrosymmetric along the centre.

8. An edge covering device comprising an edge covering mechanism as claimed in any one of claims 1 to 7.

9. The hemming device of claim 8 further comprising a feed mechanism comprising a feed assembly, a transfer assembly, and a discharge assembly; the middle rotating assembly comprises a rotary manipulator, and the supporting table is arranged at the movable end of the rotary manipulator; the rotary manipulator can selectively enable the supporting table to rotate to the lower part of the feeding assembly, the edge covering assembly or the discharging assembly;

the charging manipulator in the charging assembly is used for placing the battery piece before edge wrapping on the supporting table, and the discharging manipulator in the discharging assembly is used for taking out the battery piece after edge wrapping from the supporting table.

10. The edge covering device according to claim 9, wherein the edge covering device comprises a plurality of groups of edge covering mechanisms, the transfer assembly is provided with a support, a plurality of support tables are arranged on the support at intervals, the feeding mechanical arm is used for placing the plurality of battery pieces in the support tables in one-to-one correspondence before edge covering, and the discharging mechanical arm is used for taking out the battery pieces in one-to-one correspondence after edge covering from the support tables.