CN217571415U - Battery series welding equipment - Google Patents
Battery series welding equipment Download PDFInfo
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- CN217571415U CN217571415U CN202221123150.8U CN202221123150U CN217571415U CN 217571415 U CN217571415 U CN 217571415U CN 202221123150 U CN202221123150 U CN 202221123150U CN 217571415 U CN217571415 U CN 217571415U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model provides a battery cluster welding equipment, put the device, weld and take draw gear, weld and take processing apparatus, weld the area and stack device and welding set including welding conveyor, battery piece, wherein: the battery piece laying device is used for laying the back side of the battery piece upwards on the welding conveying device; the welding strip traction device is used for dragging the welding strip to the welding strip processing device; the welding strip processing device is used for cutting off all the odd welding strips and all the even welding strips at intervals in a staggered mode to obtain a plurality of first welding strip groups and a plurality of second welding strip groups, and is also used for adjusting the intervals among the first welding strip groups and the intervals among the second welding strip groups to be preset intervals; the welding strip stacking device is used for stacking a plurality of first welding strip groups on the welding strip processing device on the battery piece on the welding conveying device; and the welding device welds the stacked welding strip group and the battery piece into a string. The utility model discloses an automatic weld cluster of formula battery piece is connect to back of body.
Description
Technical Field
The utility model belongs to the technical field of battery production and specifically relates to a battery cluster welding equipment.
Background
The front surface of the back connection type (IBC) is not provided with the main grid line, and the positive electrode row and the negative electrode row are arranged on the back surface of the cell, so that the shading of the cell is reduced, and the light conversion efficiency of the cell is improved.
As shown in fig. 1, the back-connected cell 100 has a first electrode (e.g., a positive electrode) and a second electrode (e.g., a negative electrode) disposed on the back surface, the first electrode being disposed in a row and forming at least two first electrode rows 101, the second electrode being disposed in a row and forming at least two second electrode rows 102, and the first electrode rows 101 and the second electrode rows 102 being arranged in a staggered manner.
As shown in fig. 2, the back-connected battery pieces are welded into a string in the following manner: the N (4 in fig. 2) battery pieces 100 are sequentially laid with their back surfaces facing upward, and the electrode rows of adjacent battery pieces on the same line have opposite polarities. N +1 (5 in fig. 2) ribbon groups are used to weld N battery pieces 100 into a string, wherein: the first welding band group (1 st, 3 rd and 5 th welding band groups in the figure) and the second welding band group (2 nd and 4 th welding band groups in the figure) are alternately laid.
Traditional formula battery piece welding equipment of backing up lays in order to realize the dislocation to first welding band group, second welding band group, need set up two welding band material coil groups, and every welding band material coil group all includes a plurality of welding band material coils. And the welding strip traction device is used for drawing the two welding strip material coil groups in turn to obtain a first welding strip group and a second welding strip group, and the first welding strip group and the second welding strip group are alternately laid on the battery piece.
Traditional formula battery piece welding equipment that connects back of body, it welds the area treatment effeciency low, has finally influenced the production efficiency of battery cluster.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a battery cluster welding equipment, it adopts following technical scheme:
the utility model provides a battery cluster welding equipment for weld the battery piece into the cluster, the back of battery piece is equipped with first electrode row and the second electrode row of crisscross arrangement, the quantity of first electrode row and second electrode row with be M, its characterized in that, battery cluster welding equipment is put the device including welding conveyor, battery piece, is welded and is taken draw gear, is welded and takes processing apparatus, is welded and takes stacking device and welding set, wherein:
the welding conveying device is at least used for bearing the battery plate and the welding strip group;
the battery piece laying device is used for laying the N battery pieces on the welding conveying device with the back surfaces facing upwards, and enabling the polarities of the electrode rows of the adjacent battery pieces on the same straight line to be opposite;
the welding strip traction device is used for drawing M welding strips which extend along the first horizontal direction and have preset lengths onto the welding strip processing device;
the welding strip processing device is used for cutting off all odd welding strips and all even welding strips in the M welding strips at intervals in a staggered manner so as to obtain a plurality of first welding strip groups and a plurality of second welding strip groups, and is also used for adjusting the distance between the first welding strip groups and the distance between the second welding strip groups to be preset distances;
the welding strip stacking device is used for stacking a plurality of first welding strip groups on the welding strip processing device on odd electrode rows of the corresponding battery piece on the welding conveying device, and stacking a plurality of second welding strip groups on the welding strip processing device on even electrode rows of the corresponding battery piece on the welding conveying device;
and the welding device welds the stacked welding strip group and the battery piece into a string.
Put the device, weld and take draw gear, weld the cooperation that takes processing apparatus, weld the area and stack device and welding set through welding conveyor, battery piece, the utility model discloses a battery cluster welding equipment has realized the welding cluster of formula battery piece of backing to each other. Specially, through the processing of welding the area processing apparatus, the utility model discloses a feed when organizing and the second welding area group to with interval, each second welding between the area group of each first welding all adjust to the predetermined value.
In some embodiments, the solder strip handling apparatus includes N +1 first solder strip holder groups, N +1 second solder strip holder groups, and N-1 solder strip cutter assemblies arranged in a first horizontal direction, wherein:
the N-1 welding strip cutter assemblies are used for cutting off all odd welding strips and all even welding strips in the M welding strips at intervals in a staggered mode to obtain a plurality of first welding strip groups and a plurality of second welding strip groups;
the first welding strip clamping head group is used for clamping the head of the corresponding first welding strip group or the head of the corresponding second welding strip group, the second welding strip clamping head group is used for clamping the tail of the corresponding first welding strip group or the tail of the corresponding second welding strip group, and the tail of the first welding strip group or the tail of the second welding strip group can slide in the corresponding second welding strip clamping head group along the first horizontal direction.
Through the cooperation of first welding strip chuck group, second welding strip chuck group and welding strip cutter unit, thereby welding strip processing apparatus has realized cutting to the welding strip and has obtained N +1 welding strip group to and cut the centre gripping respectively of obtaining N +1 welding strip group.
In some embodiments, the weld tape cutter assembly comprises a blade drive mechanism, a first blade, and a second blade, wherein: the first blade is provided with a plurality of first avoidance grooves and a plurality of first cutting edges, the first avoidance grooves and the first cutting edges are arranged in a staggered mode in a second horizontal direction perpendicular to the first horizontal direction, and a plurality of second avoidance grooves corresponding to the first avoidance grooves one by one and a plurality of second cutting edges corresponding to the second cutting edges one by one are formed in the second blade; the blade driving mechanism is used for driving the first blade and the second blade to relatively slide in a second horizontal direction; when the blade driving mechanism drives the first blade and the second blade to relatively slide, all the first cutting edges and the corresponding second cutting edges are matched to cut off all the odd-numbered welding strips/all the even-numbered welding strips in the M welding strips, and all the first avoidance grooves and the corresponding second avoidance grooves are matched to cut off all the even-numbered welding strips/all the odd-numbered welding strips in the M welding strips.
Through setting up welding area cutter unit spare, when welding area cutter unit spare cuts all odd number welding area, can realize dodging of all even number welding area that need not cut. Similarly, when the welding strip cutter component cuts all the welding strips of the even number, the avoidance of all the welding strips of the odd number which are not required to be cut can be realized.
In some embodiments, the solder strip processing apparatus further comprises a base and N mounting brackets, wherein:
a sliding rail extending along the first horizontal direction is arranged on the base; the N mounting racks are connected to the sliding rails in a sliding mode and can slide along the sliding rails;
the 1 st mounting frame is provided with two first welding strip clamp groups and a second welding strip clamp group, wherein the first welding strip clamp group and the second welding strip clamp group which are positioned at the front ends are used for clamping the first welding strip group, and the other first welding strip clamp group is used for clamping the head of the 2 nd welding strip group;
a first welding strip clamping head group and two second welding strip clamping head groups are arranged on the Nth mounting frame, wherein the first welding strip clamping head group and the second welding strip clamping head group positioned at the rear end are used for clamping the (N + 1) th welding strip group, and the other second welding strip clamping head group is used for clamping the tail part of the Nth welding strip group;
be provided with a first welding strip chuck group and a second welding strip chuck group on the ith mounting bracket, wherein, first welding strip chuck group is used for the head of the (i + 1) th welding strip group of centre gripping, and the second welding strip chuck group is used for the afterbody of the (i) th welding strip group of centre gripping, and wherein, i is for being greater than 1 and being less than the natural number of N.
When the N mounting frames are controlled to slide apart along the sliding rail, the separation distance of the welding strip groups can be achieved, and finally the distance between the first welding strip groups and the distance between the second welding strip groups are adjusted to be the preset distance.
In some embodiments, a horizontal solder strip carrier plate is disposed on the top of each mounting bracket; the welding strip bearing plates are provided with through holes, and the first welding strip clamp head group and the second welding strip clamp head group which are arranged on each mounting frame are accommodated in the corresponding through holes and penetrate out of the through holes upwards; each welding strip cutter assembly is arranged on one mounting frame and positioned between two adjacent welding strip bearing plates, and the welding strip cutter assemblies are configured to lift between a low position lower than the welding strip bearing plates and a high position higher than the welding strip bearing plates;
the welding strip traction device pulls M welding strips with preset lengths to the N welding strip bearing plates, each welding strip clamping head group and each second welding strip clamping head group clamp the corresponding welding strips, and each welding strip cutter assembly moves upwards to a high position and cuts off the corresponding odd welding strips or the second even welding strips.
Through setting up the solder strip loading board, realized the support to the solder strip, prevent that the solder strip from falling.
In some embodiments, each solder strip carrier plate is further provided with M solder strip limiting grooves extending in the first horizontal direction.
The welding strip limiting groove is formed in the welding strip bearing plate, so that limiting and guiding of a welding strip are achieved.
In some embodiments, the battery string welding apparatus further comprises a solder strip feeding device and a solder strip cutting device, wherein: the welding strip feeding device comprises at least M welding strip coils, and each welding strip coil can release a welding strip; the welding strip cutting device is arranged between the welding strip feeding device and the welding strip processing device; the welding strip traction device is used for drawing M welding strips from the welding strip feeding device and enabling the drawn M welding strips to pass through the welding strip cutting device and then reach the welding strip processing device; the welding strip cutting device comprises a clamping assembly and a cutting assembly, wherein the clamping assembly is used for clamping M welding strips, and the cutting assembly is used for cutting the M welding strips clamped by the clamping assembly, so that M welding strips with preset lengths are obtained.
Through the cooperation of welding strip feedway and welding strip cutting device, realized the automatic feed of butt welding area.
In some embodiments, the battery string welding apparatus further comprises a flux applying device disposed between the solder ribbon feeding device and the solder ribbon cutting device, the flux applying device being configured to apply flux to the M solder ribbons.
By arranging the soldering flux coating device, automatic coating of the soldering flux is realized.
In some embodiments, the battery string welding equipment further comprises a tool circulating conveying device arranged at the side of the welding conveying device; the tool circulating conveying device is used for conveying the welding strip pressing tool; and the welding strip stacking device picks up the welding strip pressing tool from the tool circulating conveying device, picks up the welding strip group from the welding strip processing device, and stacks the picked welding strip pressing tool and the welding strip group on the battery piece on the welding conveying device.
Through setting up frock circulating conveyor, realized the circulating conveyor of tight frock of butt weld area. The welding strip stacking device carries and stacks the welding strip group and the welding strip pressing tool to the battery piece on the welding and conveying device synchronously, the welding quality of the battery string is guaranteed, and meanwhile, the production efficiency of the battery string is greatly improved.
In some embodiments, the battery string welding equipment further comprises a tool carrying device, the tool carrying device picks up the welding strip pressing tool from the welding conveying device and puts the picked welding strip pressing tool back on the tool circulating conveying device.
Through setting up frock handling device, realized pressing the automatic unloading of frock to the welding strip.
In some embodiments, the battery string welding apparatus further comprises a battery string and a tool handling device, wherein: the battery string and tool carrying device picks up the welded battery string and the welding strip pressing tool stacked on the battery string from the welding conveying device, and places the picked-up battery string and the welding strip pressing tool on the battery string output device and the tool circulating conveying device respectively.
Through setting up battery cluster and frock handling device, realized unloading when compressing tightly the frock to battery cluster and solder strip, promoted unloading efficiency by a wide margin.
In some embodiments, the welding conveyor comprises a base and a plurality of welding susceptors, wherein: a plurality of welding bearing tables are loaded on the base side by side along a first horizontal direction, and each welding bearing table is provided with an arc-shaped bearing surface for bearing a battery piece and a corresponding welding strip group; after the welding strip pressing tool is pressed on the battery piece, the arc-shaped bearing surface is matched with the welding strip pressing tool, so that the battery piece between the arc-shaped bearing surface and the welding strip pressing tool is deformed matched with the arc-shaped bearing surface.
The solder strip expands when heated during soldering. After welding is completed, the welding strip is cooled and retracted, so that the battery piece is easy to bend and deform, and the risk of splitting of the battery piece in transportation and subsequent processing is increased. The welding bearing table for bearing the battery piece and the welding strip is arranged to be arc-shaped, and in the welding process, after the welding strip pressing tool is pressed, the battery piece is bent away from the welding strip. Therefore, the battery piece is driven to deform and reset towards the welding strip when the welding strip is cooled and contracted, and finally the battery piece is restored to an original flat state from a bent state.
Optionally, an adsorption hole for adsorbing the battery piece is formed in the arc-shaped bearing surface of the welding bearing table, and a heating assembly for heating the battery piece and the welding strip group is arranged on the welding bearing table.
The adsorption holes are formed in the arc-shaped bearing surface of the welding bearing table, so that the adsorption positioning of the battery piece is realized. And through set up heating element on the welding plummer, then can cooperate welding set to implement the heating to battery piece and welding and take the group when welding to promote welding efficiency.
Drawings
FIG. 1 is a structural diagram of a back-connected cell;
fig. 2 is a schematic structural diagram of four back-connected battery pieces which are welded into a string by a welding strip group;
fig. 3 is a schematic structural diagram of a battery string welding device provided by an embodiment of the present invention at a first viewing angle;
fig. 4 is a schematic structural diagram of a battery string welding apparatus provided in an embodiment of the present invention at a second viewing angle;
fig. 5 is a schematic structural diagram of a solder strip processing apparatus in an embodiment of the present invention at a first viewing angle;
FIG. 6 is a schematic structural view of the solder strip processing apparatus shown in FIG. 5 without the solder strip carrier plate;
FIG. 7 is an enlarged view of a portion of FIG. 5;
fig. 8 is a schematic structural diagram of a solder strip processing apparatus according to an embodiment of the present invention at a second viewing angle;
fig. 9 is a schematic structural diagram of a solder strip processing apparatus in an embodiment of the present invention at a third viewing angle;
fig. 10 is a schematic view illustrating a process of clamping and cutting M (17) solder strips having a predetermined length by the solder strip processing apparatus according to the embodiment of the present invention;
fig. 11 is a schematic structural view of a welding strip cutter assembly in an embodiment of the present invention;
FIG. 12 is an enlarged view of a portion of FIG. 11;
fig. 13 is a schematic view of a part of the structure of the welding conveying device in the embodiment of the present invention;
fig. 14 is a schematic structural view of a battery string and a tool carrying device according to an embodiment of the present invention;
fig. 15 is a schematic structural view of a handling assembly according to an embodiment of the present invention;
fig. 1 to 15 include:
a solder strip feeding device 10;
a flux coating device 20;
a solder strip cutting device 30;
the solder ribbon processing apparatus 40: the welding strip cutting device comprises a first welding strip clamping head group 41, a second welding strip clamping head group 42, a welding strip cutter assembly 43, a mounting frame 44, a welding strip bearing plate 45, a blade driving mechanism 431, a first blade 432, a second blade 433, a first avoiding groove 4321, a first cutting knife edge 4322, a second avoiding groove 4331 and a second cutting knife edge 4332;
a weld tape tractor 50;
a tooling circulation conveying device 60;
welding conveyor 70: welding the bearing table 71 and the heating assembly 72;
battery string and tool handling device 80: the mounting bracket 821, the battery piece suction mechanism 822, the first tool suction mechanism 823 and the second tool suction mechanism 824.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The following will respectively describe the battery string welding device and the battery string welding method provided by the present invention by way of example through two embodiments.
Traditional formula battery piece welding equipment of backing up lays in order to realize the dislocation of welding band group, need set up two welding band material coil groups, and every welding band material coil group all includes a plurality of welding band material rolls up. The welding strip traction device draws the welding strip coil groups from the two welding strip coil groups in turn, obtains a first welding strip group and a second welding strip group, and lays the first welding strip group and the second welding strip group on the battery piece in a staggered mode.
Traditional back of body formula battery piece welding equipment, it welds the area treatment inefficiency, has finally influenced the production efficiency of battery cluster. In view of this, the utility model provides a battery cluster welding equipment and welding method to weld back of the body formula battery piece into the cluster, the back of battery piece is equipped with first electrode row and the second electrode row of crisscross arrangement, and the quantity sum of first electrode row and second electrode row is M.
As shown in fig. 3 to 4, the utility model provides a battery string welding equipment includes that the battery piece is spread the device, is welded and takes processing apparatus 40, is welded and takes draw gear 50, is welded and takes the stacking device, welds conveyor 70 and welding set. Wherein:
the welding conveying device 70 is at least used for carrying the battery plate and the welding strip group.
The cell placement device is used for placing the N cells on the welding conveying device 70 with the back faces upward, and enabling the polarities of the electrode rows of the adjacent cells on the same straight line to be opposite.
The solder ribbon drawing device 50 is used for drawing M solder ribbons of a predetermined length extending in the first horizontal direction onto the solder ribbon processing device 40.
The solder strip processing device 40 is used for cutting off all odd solder strips and all even solder strips in the M solder strips at intervals in a staggered manner to obtain a plurality of first solder strip groups and a plurality of second solder strip groups. The solder ribbon processing apparatus 40 is also configured to adjust the pitch between the first solder ribbon groups and the pitch between the second solder ribbon groups to predetermined pitches.
The solder strip stacking device is used for stacking a plurality of first solder strip groups on the solder strip processing device 40 on odd electrode rows of the corresponding battery piece on the welding and conveying device 70, and stacking a plurality of second solder strip groups on the solder strip processing device 40 on even electrode rows of the corresponding battery piece on the welding and conveying device.
The welding device is used for welding the stacked welding strip group and the battery piece into a string.
The utility model discloses a battery cluster welding equipment's working process as follows:
the cell sheet laying device lays the N cell sheets on the welding conveying device 70 with the back surfaces facing upwards, and ensures that the polarities of the electrode rows of the adjacent cell sheets on the same straight line are opposite.
The strip pulling device 50 pulls M welding strips having a predetermined length extending in the first horizontal direction onto the strip processing device 40.
The solder ribbon processing apparatus 40 performs a process on the solder ribbon, specifically:
first, the solder ribbon processing apparatus 40 cuts all the odd solder ribbons and all the even solder ribbons of the M solder ribbons at intervals in a staggered manner to obtain a plurality of first solder ribbon groups and a plurality of second solder ribbon groups.
Because N battery pieces are welded into a complete battery string, N +1 welding band groups are needed, wherein the welding band groups comprise a head welding band group, a tail welding band group and N-1 middle welding band groups. Accordingly, the solder ribbon processing apparatus 40 may cut M solder ribbons into N +1 solder ribbon groups, i.e., the sum of the numbers of the first solder ribbon group and the second solder ribbon group is N +1.
Next, the solder ribbon processing apparatus 40 adjusts the pitch between the first solder ribbon groups and the pitch between the second solder ribbon groups to predetermined pitches. The main purpose of implementing the spacing adjustment is to ensure that the adjacent first welding strip group and the adjacent second welding strip group are completely separated, and prevent the adjacent first welding strip group and the adjacent second welding strip group from being adhered in the welding process.
The solder strip stacking device picks up the first solder strip group and the second solder strip group obtained by cutting from the solder strip processing device 40, and lays the first solder strip group and the second solder strip group on the battery plate on the welding conveying device 70, wherein as shown in fig. 2, each first solder strip group (the 1 st, the 3 rd and the 5 th solder strip groups in fig. 2) is stacked on the odd number electrode rows of the corresponding battery plate, and each second solder strip group (the 2 nd and the 4 th solder strip groups in fig. 2) is stacked on the even number electrode rows of the corresponding battery plate.
The welding conveying device 70 conveys the stacked welding strip groups and the battery pieces to a welding device, and the welding device welds the stacked welding strip groups and the battery pieces into a string.
It can be seen that the utility model provides a battery cluster welding equipment has realized the welding cluster of getting back to back of body formula battery piece. Specially, through the processing of welding the area processing apparatus, the utility model discloses a feed when organizing and the second welding strip is organized to first welding strip to interval, each second that will each first welding between the area group weld the interval between the area group all adjust to the predetermined value.
As shown in fig. 5 to 7, optionally, the solder strip processing apparatus includes N +1 first solder strip holder groups 41, N +1 second solder strip holder groups 42, and N-1 solder strip cutter assemblies 43 arranged in a first horizontal direction (e.g., an X-axis direction in the drawing), wherein:
when the strip pulling device 50 pulls M welding strips having a predetermined length to the strip processing device 40. The N +1 first solder strip clamp groups 41 and the N +1 second solder strip clamp groups 42 clamp and clamp the corresponding solder strips from the corresponding positions.
The N-1 solder strip cutter assemblies 43 alternately and alternately cut off all the odd solder strips and all the even solder strips in the M solder strips, thereby obtaining a plurality of first solder strip groups and a plurality of second solder strip groups.
After the cutting of the solder strips is completed, each first solder strip holder group 41 clamps the head of the corresponding first solder strip group or second solder strip group, and each second solder strip holder group 42 clamps the tail of the corresponding first solder strip group or second solder strip group.
In particular, the tail portion of the first or second ribbon group is able to slide within the corresponding second ribbon holder group 42 in the first horizontal direction, i.e. the second ribbon holder group 42 does not completely grip the tail portion of the first or second ribbon group, it only performs a grip on the tail portion of the first or second ribbon group. For example, each of the chucks in the second solder strip chuck group 42 has a guide slot for accommodating the solder strip, and after the chuck clamps the tail portion of the solder strip, the tail portion of the solder strip is accommodated in the guide slot and can slide in the guide slot.
As shown in fig. 10, in one embodiment, the weld bead handling apparatus 40 includes 12 first weld bead holder sets 41, 12 second weld bead holder sets 42, and 10 weld bead cutter assemblies 43.
The clamping and slitting process of the welding strip processing device 40 is as follows:
after the solder ribbon drawing device 50 draws 17 (i.e., M = 17) solder ribbons extending in the first horizontal direction (e.g., the X-axis direction in the drawing) onto the solder ribbon processing device 40.
The 12 first solder strip clamp groups 41 are controlled to clamp the corresponding solder strips from the corresponding positions, and the 12 second solder strip clamp groups 42 are controlled to clamp the corresponding solder strips from the corresponding positions.
Next, the 10 solder strip cutter assemblies 43 are controlled to cut all the odd solder strips and all the even solder strips in the 17 solder strips at intervals of staggered positions, that is: the 1 st welding strip cutter assembly 43 cuts off all odd welding strips in the 17 welding strips, the 2 nd welding strip cutter assembly 43 cuts off all even welding strips in the 17 welding strips, 8230, and the 10 th welding strip cutter assembly 43 cuts off all even welding strips in the 17 welding strips. Thus, 6 first land groups and 6 second land groups are finally obtained, that is, 12 land groups in total are obtained.
After the cutting of the solder strips is completed, the heads of the first solder strip groups and the second solder strip groups are clamped on the corresponding first solder strip clamp groups 41, and the tails of the first solder strip groups and the second solder strip groups are clamped on the corresponding second solder strip clamp groups 42.
In order to adjust the pitch between the first solder ribbon holder sets 41 and the pitch between the second solder ribbon holder sets 42 to a predetermined pitch. As shown in fig. 5 to 8, optionally, the solder strip processing apparatus 40 in the embodiment of the present invention further includes a base and N (11 in the figure) mounting frames 44, wherein:
be provided with the slide rail that extends along first horizontal direction on the base, the equal sliding connection of N mounting bracket 44 is on the slide rail and can follow the slide rail and slide.
The 1 st mounting bracket 44 is provided with two first welding strip clamping head groups 41 and a second welding strip clamping head group 42, wherein the first welding strip clamping head group 41 and the second welding strip clamping head group 42 at the front end are matched to clamp the first welding strip group, and the other first welding strip clamping head group 42 is used for clamping the head of the 2 nd welding strip group.
Be provided with a first welding strip chuck group and a second welding strip chuck group on the ith mounting bracket 44, wherein, first welding strip chuck group is used for the head of the (i + 1) th welding strip group of centre gripping, and the second welding strip chuck group is used for the afterbody of the (i) th welding strip group of centre gripping, and wherein, i is for being greater than 1 and being less than the natural number of N.
A first welding strip clamp group 41 and two second welding strip clamp groups 42 are arranged on the Nth mounting rack 44, wherein the first welding strip clamp group 41 and the second welding strip clamp group 42 positioned at the rear end are matched with each other to clamp the (N + 1) th welding strip group, and the other second welding strip clamp group is used for clamping the tail of the Nth welding strip group;
that is, except that the first and (N + 1) th solder ribbon groups are held entirely on the same mounting bracket 44. The head and tail of the other solder ribbon groups are respectively clamped on the first solder ribbon holder group 41 and the second solder ribbon holder group 42 on the two adjacent mounting brackets 44.
In particular, as previously described, the head portion of each solder ribbon group is clamped to the corresponding first solder ribbon clamp head group 41, while the tail portion is clamped to the corresponding second solder ribbon clamp head group 42 and is slidable within the second solder ribbon clamp head group 42. In this way, when the N mounting brackets 44 are controlled to slide apart along the slide rail, each solder strip group can be separated synchronously with the N mounting brackets 44, and finally, the distance between each first solder strip group and each second solder strip group can be adjusted to a predetermined distance.
As shown in fig. 5 and 7 to 9, optionally, a horizontal solder strip carrier plate 45 is provided on the top of each mounting bracket 44. The solder strip carrier plate 45 is provided with through holes, and the first solder strip holder group 41 and the second solder strip holder group 42 provided on each mounting bracket 44 are accommodated in the corresponding through holes and extend out of the through holes.
Each of the solder strip cutter assemblies 43 is disposed on one of the mounting brackets 44 between two adjacent solder strip carrier plates 45, and the solder strip cutter assemblies 45 are configured to be raised and lowered between a lower position lower than the solder strip carrier plates 45 and an upper position higher than the solder strip carrier plates 45.
The welding strip pulling device 50 pulls the M welding strips with a predetermined length to the N welding strip bearing plates 45, each welding strip clamping head group 41 and each second welding strip clamping head group 42 clamp the corresponding welding strip, and each welding strip cutter assembly 43 moves up to a high position and cuts off the corresponding odd welding strips or even welding strips. By arranging the welding strip bearing plate 45, the welding strip is supported, and the welding strip is prevented from falling.
Optionally, each welding strip bearing plate 45 is provided with M welding strip limiting grooves extending in the first horizontal direction, each welding strip limiting groove correspondingly accommodates one welding strip, and the welding strip limiting grooves limit and guide the welding strips.
As shown in fig. 11 to 12, optionally, the welding strip cutter assembly 43 comprises a blade driving mechanism 431, a first blade 432 and a second blade 433, wherein:
the first blade 432 is provided with a plurality of first avoiding grooves 4321 and a plurality of first cutting edges 4322, and the first avoiding grooves 4321 and the first cutting edges 4322 are arranged in a staggered manner in a second horizontal direction (e.g., a Y-axis direction in the figure) perpendicular to the first horizontal direction.
The second blade 433 is formed with a plurality of second relief grooves 4331 corresponding to the first relief grooves 4321 one by one and a plurality of second cutting edges 4332 corresponding to the first cutting edges 4322 one by one.
The blade driving mechanism 431 is used for driving the first blade 432 and the second blade 433 to slide relatively in the second horizontal direction. When the blade driving mechanism 431 drives the first blade 432 and the second blade 433 to slide relatively, each first cutting edge 4322 cooperates with each corresponding second cutting edge 4332 to cut all the odd-numbered welding strips in the M welding strips, and each first avoidance groove 4321 cooperates with each corresponding second avoidance groove 4331 to avoid all the even-numbered welding strips in the M welding strips.
Similarly, each first cutting edge 4322 cuts all the even-numbered solder strips of the M solder strips in cooperation with the corresponding second cutting edge 4332, and each first avoidance groove 4321 and each corresponding second avoidance groove 4331 avoid all the odd-numbered solder strips of the M solder strips in cooperation with each other.
As shown in fig. 3 to fig. 4, optionally, the battery string welding apparatus in the embodiment of the present invention further includes a solder strip feeding device 10 and a solder strip cutting device 30, wherein:
the solder ribbon feeding device 10 includes M solder ribbon rolls each capable of paying out one solder ribbon.
The solder strip cutting device 30 is disposed between the solder strip feeding device 10 and the solder strip processing device 40. The solder strip drawing device 50 draws M solder strips from the solder strip feeding device 10, and makes the drawn M solder strips pass through the solder strip cutting device 30 and then reach the solder strip processing device 40.
The welding strip cutting device 30 includes a clamping assembly for clamping M welding strips and a cutting assembly for cutting the M welding strips clamped by the clamping assembly, so as to obtain M welding strips with predetermined lengths.
It can be seen that, through the cooperation of the welding strip feeding device 10 and the welding strip cutting device 30, the utility model discloses an automatic feed to the M welding strips that have predetermined length.
Optionally, the battery string welding equipment in the embodiment of the present invention further includes a soldering flux coating device 20 disposed between the solder strip feeding device 10 and the solder strip cutting device 30, and the soldering flux coating device is used for coating the soldering flux onto the solder strip. Optionally, the flux coating device 20 includes a flux solute slot for containing the flux, and the solder strip is discharged from the solder strip feeding device 10, passes through the flux solute slot, and then reaches the solder strip cutting device 30.
As known to those skilled in the art, in order to ensure the welding effect, after the laying of the solder ribbon group is completed, the solder ribbon pressing tool needs to be stacked on the battery piece to press the solder ribbon group. Optionally, as shown in fig. 3 to 4, the battery string welding apparatus in the embodiment of the present invention further includes a tooling circulation conveying device 60 disposed at the side of the welding conveying device 70. The tooling circulating and conveying device 60 is used for conveying the welding strip pressing tooling, the welding strip stacking device picks up the welding strip pressing tooling from the tooling circulating and conveying device 60, then picks up the welding strip group from the welding strip processing device 40, and then stacks the picked welding strip pressing tooling and the welding strip group onto the battery plate on the welding and conveying device 70.
In some embodiments, the utility model provides an in battery cluster welding equipment still includes frock handling device, and after the welding was accomplished, frock handling device picked up the welding area from welding conveyor 70 and compressed tightly the frock to the welding area that will pick up compresses tightly the frock and puts back on frock circulating conveyor 60, thereby realized compressing tightly the automatic unloading and the cyclic utilization of frock to the welding area.
In other embodiments, the utility model provides an in battery cluster welding equipment still includes battery cluster and frock handling device, and after the welding was accomplished, battery cluster and frock handling device picked up the good battery cluster of welding and stacked the area of welding on the battery cluster from welding conveyor 70 and compressed tightly the frock to place the battery cluster of picking up, area of welding compress tightly the frock respectively to battery cluster output device, frock endless conveyor 60. The battery string and tool carrying device achieves simultaneous blanking of the battery string and the welding strip pressing tool, and therefore blanking efficiency is further improved.
As shown in fig. 13, the battery string and tooling handling device 80 provided in an embodiment of the present invention includes a moving mechanism, a mounting seat 81 and a plurality of handling assemblies 82 arranged on the mounting seat 81 along the extending direction of the battery string, and each handling assembly 82 is used for sucking and handling a battery piece in the battery string and a solder strip stacked on the battery piece to compress tightly the tooling.
The moving mechanism drives each carrying assembly 82 to move and switch among the welding conveying device 70, the battery string output device and the tool circulating conveying device 60, so that the battery string and the welding strip pressing tool are sucked and carried.
As shown in fig. 14, optionally, the handling assembly 82 includes a mounting bracket 821, a cell suction mechanism 822, a first tool suction mechanism 823 and a second tool suction mechanism 824, wherein: the battery piece sucking mechanism 822 is disposed on the mounting bracket 821 and is used for sucking one battery piece in the battery string. First frock suction means 823 and second frock suction means 824 set up on installing support 821, and first frock suction means 823 and second frock suction means 824 cooperate the absorption to stack the solder strip on corresponding battery piece and compress tightly the frock.
As known to those skilled in the art, back contact cells are typically soldered in strings using solder strips coated with tin-copper. The solder strip expands when heated during soldering. After welding is completed, the welding strip is cooled and retracted, so that the battery piece is easily bent and deformed, and the risk of splitting the battery piece in transferring and subsequent processing is increased.
In order to solve the problem, the embodiment of the present invention further provides a novel welding conveying device 70, as shown in fig. 13, the welding conveying device 70 includes a base and a plurality of welding bearing platforms 71, wherein: a plurality of welding bearing platforms 71 are arranged on the base side by side along a first horizontal direction, and each welding bearing platform 71 is provided with an arc-shaped bearing surface for bearing one battery piece and a corresponding welding strip. In the embodiment of fig. 13, the arc-shaped bearing surface is an arc-shaped curved surface which is convex upwards.
After the welding strip laying mechanism lays the welding strip group on the battery pieces, a welding strip pressing tool is pressed on each battery piece. The welding strip pressing tool presses the battery piece and the welding strip group which are borne on the arc-shaped bearing surface. The arc-shaped bearing surface is matched with the welding strip pressing tool, so that the battery piece between the arc-shaped bearing surface and the welding strip pressing tool is deformed matched with the arc-shaped bearing surface. Namely, through the pressing of the welding strip pressing tool, on one hand, the welding strip group can be pressed and positioned on the main grid line of the battery piece, and on the other hand, the two sides of the battery piece are bent downwards and deformed and finally attached to the arc-shaped bent surface.
And finally, welding the welding strip group on the downward-deformed battery piece by using a welding device. Therefore, each battery piece in the welded battery string deviates from the welding strip by a certain radian and bends downwards.
After the battery string is fed from the welding station, the welding strip group is cooled and shrunk, and in the process, the welding strip group pulls the battery pieces upwards, so that all the battery pieces are completely or basically restored to the original flat state.
Optionally, an adsorption hole for adsorbing the battery piece is formed on the arc-shaped bearing surface of the welding bearing table 71, and a heating assembly 72 for heating the battery piece and the welding strip group is arranged on the welding bearing table 71. The adsorption positioning of the battery piece is realized by arranging the adsorption holes on the arc bearing surface of the welding bearing table 71. By arranging the heating assembly on the welding bearing table 71, the battery plate and the welding strip set can be heated by matching with a welding device during welding, so that the welding efficiency is improved.
The utility model also provides a battery cluster welding method for weld the battery piece into the cluster, the back of battery piece is equipped with first electrode row and the second electrode row of crisscross arrangement, the quantity of first electrode row and second electrode row with for M.
The utility model provides a battery cluster welding method can be implemented by the aforesaid battery cluster welding equipment.
Specifically, the utility model provides a battery cluster welding method includes:
and laying the N battery pieces on a welding conveying device with the back surfaces facing upwards, and enabling the polarities of the electrode rows of the adjacent battery pieces on the same straight line to be opposite.
And drawing M welding strips extending along the first horizontal direction and having a preset length.
And cutting off all the odd welding strips and all the even welding strips in the M welding strips at intervals in a staggered manner to obtain a plurality of first welding strip groups and a plurality of second welding strip groups, wherein the sum of the number of the first welding strip groups and the number of the second welding strip groups is N +1.
And adjusting the space between the first welding strip groups and the space between the second welding strip groups to be preset spaces.
And stacking the first welding strip group on the odd-numbered electrode rows of the laid corresponding battery pieces, and stacking the second welding strip group on the even-numbered electrode rows of the laid corresponding battery pieces.
And welding the stacked welding strip group and the battery plate into a string.
The invention has been described above with a certain degree of particularity and detail. It will be understood by those of ordinary skill in the art that the description of the embodiments is merely exemplary and that all changes that may be made without departing from the true spirit and scope of the present invention are intended to be within the scope of the present invention. The scope of the invention is defined by the appended claims rather than by the foregoing description of the embodiments.
Claims (13)
1. The utility model provides a battery cluster welding equipment for weld the battery piece into the cluster, the back of battery piece is equipped with first electrode row and the second electrode row of crisscross arrangement, first electrode row with the quantity of second electrode row with be M, its characterized in that, battery cluster welding equipment is including welding conveyor, battery piece shop device, weld and take draw gear, weld and take processing apparatus, weld and take stacking device and welding set, wherein:
the welding conveying device is at least used for bearing the battery plate and the welding strip group;
the battery piece laying device is used for laying the N battery pieces on the welding conveying device with the back surfaces facing upwards, and enabling the polarities of the electrode rows of the adjacent battery pieces on the same straight line to be opposite;
the welding strip traction device is used for drawing M welding strips which extend along a first horizontal direction and have preset lengths onto the welding strip processing device;
the welding strip processing device is used for cutting off all odd welding strips and all even welding strips in the M welding strips at intervals in a staggered manner so as to obtain a plurality of first welding strip groups and a plurality of second welding strip groups, and is also used for adjusting the distance between the first welding strip groups and the distance between the second welding strip groups to be preset distances;
the welding strip stacking device is used for stacking a plurality of first welding strip groups on the welding strip processing device on odd electrode rows of the corresponding battery piece on the welding conveying device, and stacking a plurality of second welding strip groups on the welding strip processing device on even electrode rows of the corresponding battery piece on the welding conveying device;
the welding device welds the stacked welding strip group and the battery piece into a string.
2. The battery string welding apparatus of claim 1, wherein the solder strip handling device comprises N +1 first solder strip holder groups, N +1 second solder strip holder groups, and N-1 solder strip cutter assemblies arranged in the first horizontal direction, wherein:
the N-1 welding strip cutter assemblies are used for cutting all odd welding strips and all even welding strips in the M welding strips at intervals in a staggered manner so as to obtain a plurality of first welding strip groups and a plurality of second welding strip groups;
the first welding strip clamping head group is used for clamping the head of the corresponding first welding strip group or the head of the corresponding second welding strip group, the second welding strip clamping head group is used for clamping the tail of the corresponding first welding strip group or the tail of the corresponding second welding strip group, and the tail of the first welding strip group or the tail of the corresponding second welding strip group can slide in the second welding strip clamping head group correspondingly along the first horizontal direction.
3. The battery string welding apparatus of claim 2, wherein the welding ribbon cutter assembly comprises a blade drive mechanism, a first blade, and a second blade, wherein:
the first blade is provided with a plurality of first avoidance grooves and a plurality of first cutting edges, the first avoidance grooves and the first cutting edges are arranged in a staggered mode in a second horizontal direction perpendicular to the first horizontal direction, and the second blade is provided with a plurality of second avoidance grooves corresponding to the first avoidance grooves one by one and a plurality of second cutting edges corresponding to the first cutting edges one by one;
the blade driving mechanism is used for driving the first blade and the second blade to relatively slide in the second horizontal direction;
when blade actuating mechanism drive first blade with the second blade relative slip, each first cutting edge of a knife and each second cutting edge of a knife cooperation that corresponds is implemented right the cutting off of the odd number solder strip/the even number in M solder strips, each first groove of dodging with each the second that corresponds dodge the groove and all cooperate the implementation right the cutting off of the even number solder strip/the odd number in M solder strips.
4. The battery string welding apparatus of claim 2, wherein the weld handling device further comprises a base and N mounting brackets, wherein:
a sliding rail extending along the first horizontal direction is arranged on the base;
the N mounting racks are connected to the slide rails in a sliding mode and can slide along the slide rails;
the 1 st mounting frame is provided with two first welding strip clamp groups and a second welding strip clamp group, wherein the first welding strip clamp group and the second welding strip clamp group which are positioned at the front ends are used for clamping a first welding strip group, and the other first welding strip clamp group is used for clamping the head of a 2 nd welding strip group;
a first welding strip clamping head group and two second welding strip clamping head groups are arranged on the Nth mounting frame, wherein the first welding strip clamping head group and the second welding strip clamping head group positioned at the rear end are used for clamping the (N + 1) th welding strip group, and the other second welding strip clamping head group is used for clamping the tail of the Nth welding strip group;
the ith is provided with a first welding strip clamping head group and a second welding strip clamping head group on the mounting bracket, wherein, first welding strip clamping head group is used for the head of the (i + 1) th welding strip group of centre gripping, the second welding strip clamping head group is used for the afterbody of the (i) th welding strip group of centre gripping, and wherein, i is for being greater than 1 and being less than the natural number of N.
5. The battery string welding apparatus according to claim 4, wherein: the top of each mounting frame is provided with a horizontal welding strip bearing plate;
the welding strip bearing plates are provided with through holes, and the first welding strip clamping head group and the second welding strip clamping head group which are arranged on each mounting frame are accommodated in the corresponding through holes and penetrate out of the through holes upwards;
each welding strip cutter assembly is arranged on one mounting frame and positioned between two adjacent welding strip bearing plates, and each welding strip cutter assembly is configured to lift between a low position lower than the welding strip bearing plates and a high position higher than the welding strip bearing plates;
the welding strip traction device is used for drawing M welding strips with preset lengths onto N welding strip bearing plates, each welding strip clamping head group and each second welding strip clamping head group clamp the corresponding welding strips, and each welding strip cutter assembly moves upwards to a high position and cuts off the corresponding odd welding strips or even welding strips.
6. The battery string welding apparatus according to claim 5, wherein: each welding strip bearing plate is also provided with M welding strip limiting grooves extending along the first horizontal direction.
7. The battery string welding apparatus according to claim 1, wherein: battery cluster welding equipment still takes feedway and welds and take cutting device including welding, wherein:
the welding strip feeding device comprises at least M welding strip coils, and each welding strip coil can release a welding strip;
the welding strip cutting device is arranged between the welding strip feeding device and the welding strip processing device;
the welding strip traction device is used for drawing M welding strips from the welding strip feeding device and enabling the drawn M welding strips to pass through the welding strip cutting device and then reach the welding strip processing device;
the welding strip cutting device comprises a clamping component and a cutting component, wherein the clamping component is used for clamping the M welding strips, and the cutting component is used for cutting the M welding strips clamped by the clamping component, so that M welding strips with preset lengths are obtained.
8. The battery string welding apparatus according to claim 7, wherein: the battery string welding equipment further comprises a scaling powder coating device arranged between the solder strip feeding device and the solder strip cutting device, and the scaling powder coating device is used for coating scaling powder on the M solder strips.
9. The battery string welding apparatus according to claim 1, wherein: the battery string welding equipment also comprises a tool circulating conveying device arranged on the side of the welding conveying device;
the tool circulating conveying device is used for conveying a welding strip pressing tool;
and the welding strip stacking device picks up the welding strip pressing tool from the tool circulating conveying device, then picks up the welding strip group from the welding strip processing device, and stacks the picked welding strip pressing tool and the welding strip group on the battery piece on the welding conveying device.
10. The battery string welding apparatus according to claim 9, wherein: the battery string welding equipment further comprises a tool carrying device, the tool carrying device picks up the welding strip pressing tool from the welding conveying device, and the picked welding strip pressing tool is placed back to the tool circulating conveying device.
11. The battery string welding apparatus of claim 9, further comprising a battery string and tooling handling device, wherein:
the battery string and tool carrying device picks up the welded battery string from the welding and conveying device, stacks the welding strip pressing tool on the battery string, and places the picked battery string and the welding strip pressing tool on the battery string output device and the tool circulating and conveying device respectively.
12. The battery string welding apparatus of claim 9, wherein: welding conveyor includes base and a plurality of welding plummer, wherein:
the welding bearing tables are arranged on the base side by side along a first horizontal direction, and each welding bearing table is provided with an arc-shaped bearing surface for bearing one battery piece and the corresponding welding strip group;
after the welding strip pressing tool is pressed to place the battery piece, the arc-shaped bearing surface is matched with the welding strip pressing tool, so that the battery piece between the arc-shaped bearing surface and the welding strip pressing tool is deformed matched with the arc-shaped bearing surface.
13. The battery string welding apparatus of claim 12, wherein: the welding plummer is provided with the absorption hole that is used for adsorbing the battery piece on the arc loading face, be provided with the heating element who is used for heating battery piece and solder strip group on the welding plummer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221123150.8U CN217571415U (en) | 2022-05-11 | 2022-05-11 | Battery series welding equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221123150.8U CN217571415U (en) | 2022-05-11 | 2022-05-11 | Battery series welding equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115621368A (en) * | 2022-12-14 | 2023-01-17 | 苏州小牛自动化设备有限公司 | Production equipment for film-bonded back contact battery string |
| CN115647825A (en) * | 2022-12-05 | 2023-01-31 | 浙江求是半导体设备有限公司 | Welding strip carrier, welding strip carrier assembly, welding equipment and welding method |
-
2022
- 2022-05-11 CN CN202221123150.8U patent/CN217571415U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115647825A (en) * | 2022-12-05 | 2023-01-31 | 浙江求是半导体设备有限公司 | Welding strip carrier, welding strip carrier assembly, welding equipment and welding method |
| CN115621368A (en) * | 2022-12-14 | 2023-01-17 | 苏州小牛自动化设备有限公司 | Production equipment for film-bonded back contact battery string |
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