CN214542259U - Battery string production line and battery string production equipment - Google Patents
Battery string production line and battery string production equipment Download PDFInfo
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- CN214542259U CN214542259U CN202023083341.XU CN202023083341U CN214542259U CN 214542259 U CN214542259 U CN 214542259U CN 202023083341 U CN202023083341 U CN 202023083341U CN 214542259 U CN214542259 U CN 214542259U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a battery string production line and battery string production equipment, wherein the battery string production line comprises a welding strip coil, a welding strip clamping device, a front surface film pressing tool, a back surface film pressing tool, a welding strip cutting device, a battery piece providing device, a conveying device and a hot-pressing device; the welding strip clamping device clamps and pulls the welding strip from the welding strip coil; the front film pressing tool is used for sticking the front film on the front surface of the welding strip; the back membrane pressing tool is used for pasting the back membrane on the back of the welding strip; the welding strip cutting device cuts the welding strips pasted with the front diaphragm and the back diaphragm into welding strip components, and the welding strip clamping device clamps the welding strip components and places the welding strip components on the conveying device; the battery piece providing device places battery pieces on the conveying device; the ith battery piece is stacked on the rear section part of the ith welding strip assembly, and the front section part of the (i + 1) th welding strip assembly is stacked on the ith battery piece to form a battery string; and the hot-pressing device carries out hot pressing on the battery string. The utility model provides a technical scheme can be high-efficiently with no main grid battery piece series connection one-tenth battery cluster.
Description
Technical Field
The utility model relates to a photovoltaic cell specifically relates to a battery cluster production line from production technical field.
Background
The traditional solar cell slice guides the photo-generated current in the cell slice to the outside of the cell slice through the grid lines on the traditional solar cell slice, the current grid lines are mostly printed by silver paste in consideration of the final conductivity, and the solar cell slice is divided into three main grids, four main grids and multiple main grids according to different printing processes.
For the solar cell with three main grids, four main grids and multiple main grids, a plurality of welding strips are respectively welded with the main grid lines of the solar cell by using soldering flux at present, so that a cell string formed by connecting a plurality of cells in series is obtained, and finally, conversion from light energy to electric energy is realized. However, the battery string obtained by welding the welding strip and the main grid line has a large shading area, influences the photoelectric conversion efficiency, and has high silver paste cost.
In order to overcome the problems, a non-main grid crystalline silicon solar cell is provided, and a manufacturing process for forming a series of non-main grid cells by connecting the non-main grid cells in series adopts that an upper membrane and a lower membrane are respectively arranged on two sides of a cell string formed by overlapping a welding strip and the cells.
Therefore, it is desirable to provide a production facility that can efficiently connect the non-main gate cells in series.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery cluster production line and battery cluster production facility can be high-efficiently with no main grid battery piece series connection one-tenth battery cluster.
In order to achieve the above object, the present invention provides a battery string production line, which comprises a plurality of welding strip coils for winding welding strips, a welding strip clamping device, a front surface film pressing tool, a back surface film pressing tool, a welding strip cutting device, a battery piece providing device, a conveying device and a hot-pressing device; wherein the content of the first and second substances,
the welding strip clamping device clamps and pulls a plurality of parallel welding strips from a plurality of welding strip coils;
the front surface membrane pressing tool is used for pasting a plurality of front surface membranes on the front surfaces of a plurality of parallel welding strips at intervals along the traction direction of the welding strips;
the back surface film pressing tool is used for pasting a plurality of back surface films on the back surfaces of a plurality of parallel welding strips at intervals along the traction direction of the welding strips; the front-surface membrane and the back-surface membrane are arranged on the welding belt in a staggered mode;
the welding strip cutting device cuts the welding strip pasted with the front diaphragm and the back diaphragm into welding strip components, and the welding strip clamping device clamps the cut welding strip components and places the welding strip components on the conveying device; wherein each of said solder strip assemblies comprises a solder strip, said front side membrane applied over a front section portion of the solder strip and said back side membrane applied over a back section portion of said solder strip;
the battery piece providing device places battery pieces on the conveying device; the ith battery piece is stacked on the front surface of the rear section part of the ith welding strip assembly, the front section part of the (i + 1) th welding strip assembly is stacked on the ith battery piece to form a battery string, and i is any natural number greater than 0;
and the hot-pressing device carries out hot pressing on the battery string, so that the battery piece, the welding strip, the front diaphragm and the back diaphragm are fixed together.
Optionally, the front surface film pressing device and the back surface film pressing device are both located at a film adding station, and the front surface film pressing device and the back surface film pressing device simultaneously apply welding tapes drawn to the film adding station to the front surface film and the back surface film from two sides;
or the front film pressing tool is positioned at a first station, the front film is pasted on the welding strip drawn to the first station, and the back film pressing tool is positioned at a second station, and the back film is pasted on the welding strip drawn to the second station.
Optionally, the front side membrane press is configured to hot press the front side membrane onto the bonding tape, and the back side membrane press is configured to hot press the back side membrane onto the bonding tape;
or the front film press is configured to apply pressure to the front film sheet to adhere the front film sheet having adhesion to the solder tape, and the back film press is configured to apply pressure to the back film sheet to adhere the back film sheet having adhesion to the solder tape.
Optionally, the battery string production line further includes a front side film providing device, where the front side film providing device includes a front side film roll and a cutting device for cutting the film tape released by the front side film roll to form the front side film;
the battery string production line further comprises a back diaphragm providing device, wherein the back diaphragm providing device comprises a back diaphragm coil and a cutting device used for cutting the diaphragm released by the back diaphragm coil to form the back diaphragm.
Optionally, the battery string production line further comprises a pressing tool and a pressing tool carrying device for carrying the pressing tool, wherein the pressing tool carrying device is set to place one welding strip assembly on each conveying device, and place one pressing tool on the front surface film of the welding strip assembly.
Optionally, the battery string production line further comprises a welding strip pressing device, the welding strip pressing device is arranged on one side, close to the welding strip coil, of the welding strip cutting device, the welding strip clamping device pulls the welding strip with the front diaphragm and the back diaphragm attached to the welding strip to penetrate through the welding strip pressing mechanism and the welding strip cutting device, and the welding strip cutting device cuts the welding strip after the welding strip pressing device presses the welding strip;
the battery string production line further comprises a welding strip pressing device, the welding strip pressing device is arranged between the welding strip pressing mechanism and the welding strip cutting device, and the welding strip pressing device is arranged to press positions, located between the adjacent front diaphragm and the back diaphragm, of the welding strip to form a bending structure.
Optionally, the battery string production line further includes a first guiding device and/or a second guiding device;
the first guiding device is arranged between the welding strip cutting device and the conveying device, and guides the cut welding strip assembly in the process that the cut welding strip assembly moves to the conveying device;
the second guiding device is arranged at a front station of the welding strip cutting device, and a front film and a back film on the welding strip are guided by the second guiding device before the welding strip with the front diaphragm and the back diaphragm applied is cut.
Optionally, the conveying device comprises a conveying belt and a conveying belt driving mechanism for driving the conveying belt to run, a first end of the conveying belt is arranged to be capable of extending in a stepping mode in a direction away from a second end and returning in a stepping mode towards the second end, the conveying belt extends for a preset length in each stepping mode in the direction away from the second end, the conveying belt forms a vacant feeding station at the first end, and the welding belt assembly and the battery piece are stacked at the feeding station; the first end is the end of the conveying belt close to the welding strip coil, and the second end is the end far away from the first end.
Optionally, the battery string production line further includes a string dividing and cutting device configured to divide the battery string stacked with the front surface film and the back surface film into a plurality of independent battery strings of predetermined lengths.
According to the utility model discloses an on the other hand still provides a battery cluster production facility, battery cluster production facility includes two at least as above battery cluster production line, two at least battery cluster production line are arranged in parallel.
The utility model provides a technical scheme stacks into the battery cluster in proper order through organizing at the battery piece with the solder strip after, stacks positive facial mask or stacks the back facial mask at the back of battery cluster in the front of this battery cluster again to realize that no main grid battery piece establishes ties into the production technology production efficiency height of cluster.
Drawings
Fig. 1 is a schematic structural diagram of a battery string production line according to an embodiment of the present invention;
FIG. 2 is a schematic view of a cut solder strip assembly;
fig. 3-7 are schematic diagrams illustrating stacking of a welding band assembly, a battery plate and a pressing tool on a conveying device of a battery string production line according to an embodiment of the present invention;
FIG. 8 is a schematic view of a battery string stacked on a conveyor device after hot pressing to remove a compaction tool;
fig. 9 is a schematic structural view of the conveying device.
Description of the reference numerals
1-welding a coil; 2-a first guiding means; 3-a conveying device; 31-a conveyor belt; 32-a base; 33-a stepping platform; 331-a mounting bracket; 34-a stationary platform; 35-a conveyor belt drive mechanism; 351-driving roll; 352-first guide roll; 353-a second guide roll; 354-tensioning roller; 4-a hot-pressing device; 5-rolling the facial mask strip; 6-rolling the back film coil; 7-a front surface film pressing tool; 8-a back side film pressing tool; 9-welding strip pressing device; 10-solder strip pressing device; 11-a solder strip cutting device; 12-pressing the tool.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and the like. In other instances, well-known structures, methods, devices, implementations, materials, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may also be otherwise oriented, such as by rotation through 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.
The utility model provides a battery string production line, as shown in fig. 1, the battery string production line comprises a plurality of welding strip coils 1 for coiling welding strips, a welding strip clamping device (not shown in the figure), a front film pressing tool 7, a back film pressing tool 8, a welding strip cutting device 11, a battery piece providing device (not shown in the figure), a conveying device 3 and a hot-pressing device 4; wherein the content of the first and second substances,
the welding strip clamping device clamps and pulls a plurality of parallel welding strips from a plurality of welding strip coils 1;
the front surface film pressing device 7 is used for pasting a plurality of front surface films C on the front surfaces of a plurality of parallel welding strips at intervals along the traction direction of the welding strips B;
the back surface film pressing tool 8 is used for pasting a plurality of back surface films A on the back surfaces of a plurality of parallel welding strips B at intervals along the traction direction of the welding strips B; wherein the front diaphragm C and the back diaphragm A are arranged on the welding strip B in a staggered manner;
the welding strip cutting device 11 cuts the welding strip pasted with the front diaphragm C and the back diaphragm A into welding strip components, and the welding strip clamping device clamps the cut welding strip components and places the welding strip components on the conveying device 3; wherein each solder strip assembly comprises a solder strip B, a front side membrane C applied on a front section portion of the solder strip B, and a back side membrane a applied on a back section portion of the solder strip B, as shown in fig. 2;
the battery piece providing device places a battery piece D on the conveying device 3; the ith battery piece D is stacked on the front surface of the rear section part of the ith welding strip assembly, the front section part of the (i + 1) th welding strip assembly is stacked on the ith battery piece to form a battery string, and i is any natural number greater than 0;
the hot-pressing device 4 carries out hot pressing on the battery string, so that the battery piece D, the welding strip B, the front diaphragm C and the back diaphragm A are fixed together.
The following describes the battery string production line in detail according to an embodiment of the present invention with reference to the accompanying drawings.
As shown in fig. 1, the battery string production line further includes a front film supply device, which includes a front film roll 5 and a cutting device (not shown) for cutting the film roll released from the front film roll 5 to form a front film;
the battery string production line further comprises a back film supply device, which comprises a back film roll 6 and a cutting device (not shown) for cutting the film tape released from the back film roll 6 to form a back film.
The cut front diaphragm C can be placed on the front side of the welding strip B or pressed on the welding strip B after being adsorbed by the front diaphragm pressing device 7, and the back diaphragm A can be adsorbed by the back diaphragm pressing device 8 or directly placed on the top surface of the back diaphragm pressing device 8 and then pressed on the back side of the welding strip B.
In the present embodiment, as shown in fig. 1, both the front film presser 7 and the back film presser 8 are located at the film application station, and the front film presser 7 and the back film presser 8 simultaneously apply the front film sheet C and the back film sheet a to the welding tapes drawn to the film application station from both sides, respectively. Specifically, the front side diaphragm C to be attached can be adsorbed on the preset portion of the front side diaphragm pressing tool 7, and the back side diaphragm a to be attached can be adsorbed on the preset portion of the back side diaphragm pressing tool 8, the front side diaphragm pressing tool 7 and the back side diaphragm pressing tool 8 can be simultaneously pressed from both sides of the welding strip, and the back side diaphragm strip a and the front side diaphragm strip C can be hot-pressed on the welding strip.
It will be understood by those skilled in the art that the front side film pressing tool 7 may be provided at a first station for applying the front side film sheet C to the solder ribbon drawn to the first station, and the back side molding tool 6 may be provided at a second station for applying the back side film sheet a to the solder ribbon drawn to the second station. Specifically, a first pressing table is arranged at a first station, after the welding strip is pulled to the first pressing table (the front of the welding strip faces upwards), a front membrane pressing tool 7 presses a front membrane C onto the welding strip of the first pressing table to realize hot pressing of the front membrane C, a second pressing table is arranged at a second station, and after the welding strip is pulled to the second pressing table (the back of the welding strip faces upwards), a back membrane pressing tool 8 presses a back membrane A onto the welding strip of the second pressing table to realize hot pressing of the back membrane A.
As described above in the present embodiment, the front film presser 7 is provided to hot press the front film sheet C on the solder ribbon B, and the back film presser 8 is provided to hot press the back film sheet a on the solder ribbon B.
It will be appreciated that the front film presser 7 is arranged to apply pressure to the front film sheet C to adhere the adhesive front film sheet C to the solder ribbon B, and the back film presser 8 is arranged to apply pressure to the back film sheet a to adhere the adhesive back film sheet a to the solder ribbon B. In the subsequent hot-pressing process of the stacked battery string through the hot-pressing device 4, the battery piece D, the welding strip B, the front diaphragm C and the back diaphragm A are further fixed together.
In this embodiment, the battery string production line further includes a pressing tool carrying device for pressing the tool 12 and carrying the pressing tool carrying device for pressing the tool 12, and the pressing tool carrying device is configured to place one pressing tool 12 on the front diaphragm C of the placed welding strip assembly every time one welding strip assembly is placed on the conveying device 3.
In this embodiment, as shown in fig. 1, the battery string production line further includes a solder strip pressing device 9, the solder strip pressing device 9 is disposed on one side of the solder strip cutting device 11 close to the solder strip roll 1, the solder strip clamping device 9 pulls the solder strip with the front diaphragm C and the back diaphragm a attached thereto to pass through the solder strip pressing mechanism 9 and the solder strip cutting device 11, and after the solder strip pressing device 9 presses the solder strip, the solder strip cutting device 11 cuts the solder strip;
the battery string production line further comprises a solder strip pressing device 10, the solder strip pressing device 10 is arranged between the solder strip pressing mechanism 9 and the solder strip cutting device 11, the solder strip pressing device 10 is arranged to press the positions, located between the adjacent front diaphragm C and the back diaphragm A, of the solder strip to form a bending structure, the bending structure is of a step-shaped structure, the rear section portion of the solder strip is located below the step of the front section portion of the solder strip, the shape of the solder strip is suitable, the battery pieces are stacked above the rear section portion, and the front section portion is stacked on the previous battery piece D.
As shown in fig. 1 and 2, the battery string production line may further include a first guiding device 2, the first guiding device 2 is disposed between the solder strip cutting device 11 and the conveying device 3, and the cut solder strip assembly is guided by the first guiding device 2 during the movement of the cut solder strip assembly to the conveying device 3, for example, the tail of the solder strip assembly is guided after the solder strip assembly is laid on the conveying device 3. The provision of the first guide means 2 avoids deflection of the solder ribbon assembly.
In order to prevent the head of the front diaphragm C or the back diaphragm a on the welding strip from shifting before the welding strip with the front diaphragm C and the back diaphragm a applied thereto is cut, the battery string production line may further include a second guiding device (not shown in the figure) disposed at a previous station of the welding strip cutting device 11, and the front film and the back film on the welding strip are guided by the second guiding device before the welding strip with the front diaphragm C and the back diaphragm a applied thereto is cut.
Of course, the battery string production line can also comprise a first guide device 2 and a second guide device at the same time; the first guiding device 2 is arranged between the welding strip cutting device 11 and the conveying device 3, and the cut welding strip assembly is guided by the first guiding device 2 in the process that the cut welding strip assembly moves to the conveying device 3; the second guide device is arranged at a front station of the welding strip cutting device 11, and a front film and a back film on the welding strip are guided by the second guide device 2 before the welding strip with the front diaphragm C and the back diaphragm A is cut.
In this embodiment, the conveying device 3 includes a conveying belt and a conveying belt driving mechanism for driving the conveying belt to operate, a first end of the conveying belt is configured to extend in a stepping manner in a direction away from a second end and return in a stepping manner in a direction toward the second end, wherein the conveying belt extends in a predetermined length in each stepping manner in the direction away from the second end, the conveying belt forms a vacant feeding station at the first end, and the battery pack and the battery piece are placed on the feeding station; wherein, the first end is the one end that the conveyer belt is close to the solder strip roll 1, and the second end is the one end of keeping away from first end.
Specifically, as shown in fig. 9, the conveying device 3 includes a conveying belt 31, and further includes a base 32, a fixed platform 34, a stepping platform 33, and a platform moving mechanism for driving the stepping platform 33 to move, wherein: the fixed platform 34 is fixedly connected to the base 32, the stepping platform 33 is slidably connected to the base 32, and the platform moving mechanism can drive the stepping platform 33 to move towards or away from the fixed platform 34 in the conveying direction of the conveyor belt 31 (the fixed platform 34 is close to the second end of the conveyor belt relative to the stepping platform 33);
the conveyer belt 31 is arranged on the fixed platform 34 and the stepping platform 33, and when the stepping platform 33 moves away from the fixed platform 34, the conveyer belt 31 moves from bottom to top at the end part of the stepping platform 33 away from the fixed platform 34, so that the upper surface of the conveyer belt 31 extends along with the stepping platform 33 in a stepping manner towards the direction away from the fixed platform 34, that is, the conveyer belt 31 extends towards the first end. The conveying belt driving mechanism 35 for driving the conveying belt 31 to run comprises a driving roller 351, a first guide roller 352, a second guide roller 353 and a tension roller 354;
the driving roller 351 is arranged at the end of the fixed platform 34 far away from the stepping platform 33 and is driven by a driving motor to rotate, the first guide roller 352 is positioned at the end of the stepping platform 33 far away from the fixed platform 34, the first guide roller 352 and the second guide roller 353 are arranged on the stepping platform 33, the tension roller 354 is positioned below the first guide roller 352 and the second guide roller 353, the tension roller 354 is arranged to be capable of moving back and forth along the conveying direction of the conveying belt 31 for adjustment so as to tension the conveying belt 31, specifically, a slide rail extending along the conveying direction of the conveying belt 31 can be arranged on the base 32, and the tension roller 354 is driven by a tension roller driving cylinder to move back and forth along the slide rail; the conveying belt 31 is sequentially wound on a driving roller 351, a first guide roller 352, a second guide roller 353 and a tension roller 354, wherein the second guide roller 353 is positioned on the conveying surface of the conveying belt 31; when the stepping platform 33 moves away from the fixed platform 34, the first guide roller 352 and the second guide roller 353 move along with the stepping platform 33 and guide the conveying belt 31 to move upward and extend from below.
Adopt the utility model provides a concrete process of battery cluster production line production battery cluster is as follows (refer to fig. 1 and fig. 3-8):
the welding strip clamping device clamps a plurality of parallel welding strips from a plurality of welding strip coils 1 and pulls the welding strips to move towards the conveying device 3;
the front film pressing device 5 and the back film pressing device 6 are respectively arranged at two opposite sides of the pulled welding strip, the front film pressing device 5 thermally presses a plurality of front diaphragms C on the front surfaces of a plurality of parallel welding strips at intervals along the length direction of the welding strip, the back film pressing device 6 thermally presses a plurality of back diaphragms A on the back surfaces of the plurality of parallel welding strips at intervals along the length direction of the welding strip, and the back diaphragms A and the front diaphragms C are arranged in a staggered manner;
after the welding strip clamping device clamps the welding strip adhered with the front diaphragm and the back diaphragm and sequentially passes through the welding strip pressing device 9, the welding strip pressing device 10 and the welding strip cutting device 11, the welding strip pressing device 10 presses the welding strip at a preset position to form a bending structure between the adjacent front diaphragm C and the back diaphragm A;
after the welding strip pressing device 10 finishes pressing the welding strip, and the welding strip pressing device 9 presses the welding strip B tightly, the welding strip cutting device 11 cuts the welding strip to obtain a welding strip assembly, wherein a front diaphragm C is pasted on the front side of the front section part of the welding strip, and a back diaphragm A is pasted on the back side of the back section part of the welding strip;
as shown in fig. 3, the solder strip pulling device places the obtained solder strip assembly on the conveying device 3, wherein a pressing tool 12 is placed at the front section of the solder strip assembly to press and position the solder strip assembly, and a battery piece D is stacked on the rear section of the solder strip assembly (the front side of the solder strip assembly with the front membrane C faces, and the back side with the back membrane a faces downwards);
as shown in fig. 4, the conveyor belt of the conveyor device 3 extends in a step-by-step manner by a predetermined length in the direction of the solder strip coil 1, and an empty feeding station is formed at the first end of the conveyor device 3;
as shown in fig. 5, the solder strip pulling device continues to place the cut solder strip assembly on the feeding station of the conveying device 3, wherein the front section of the solder strip assembly is stacked on the previous battery piece D, the next battery piece D is stacked above the rear section, and the pressing tool 12 is placed on the front section of the solder strip assembly for pressing and positioning;
as shown in fig. 6, the conveyor belt of the conveyor device 3 is further extended by a predetermined length in a stepping manner toward the direction of the solder coil 1, and an empty feeding station is formed at the first end of the conveyor device 3;
as shown in fig. 7, the solder strip assemblies and the battery plates are continuously placed at the feeding station of the conveying device 3, and the battery plates are circularly stacked to form the battery string as shown in fig. 8;
after the conveying belt of the conveying device 3 is stepped at least twice towards the direction of the welding strip coil 1 so as to stack a preset number of welding strip assemblies and battery pieces on the conveying device 3, the conveying device 3 conveys the stacked welding strip assemblies and battery pieces to move towards the direction of the second end;
when the conveying device 3 conveys a battery string formed by overlapping the welding strip assembly and the battery piece to a hot-pressing station below the hot-pressing device 4, the hot-pressing device 4 carries out hot pressing on the battery string, so that the back membrane A, the welding strip B, the front membrane C and the battery piece in the battery string are fixedly connected together;
and finally, taking away the pressing tool 12 on the hot-pressed battery string part.
Furthermore, the utility model provides a battery cluster production line still includes and divides cluster cutting device divides the cluster cutting device to set up to the battery cluster after will hot pressing and cut apart into the battery cluster of a plurality of independent predetermined length.
In the process of stacking the battery strings, in order to improve the production efficiency, the battery components and the battery sheets are stacked and connected in series to form a longer battery string, and therefore, a string dividing and cutting device is arranged to cut the longer battery string to obtain the battery string with the required preset length.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (10)
1. A battery string production line is characterized by comprising a plurality of welding strip coils for winding welding strips, a welding strip clamping device, a front surface film pressing tool, a back surface film pressing tool, a welding strip cutting device, a battery piece providing device, a conveying device and a hot-pressing device; wherein the content of the first and second substances,
the welding strip clamping device clamps and pulls a plurality of parallel welding strips from a plurality of welding strip coils;
the front surface membrane pressing tool is used for pasting a plurality of front surface membranes on the front surfaces of a plurality of parallel welding strips at intervals along the traction direction of the welding strips;
the back surface film pressing tool is used for pasting a plurality of back surface films on the back surfaces of a plurality of parallel welding strips at intervals along the traction direction of the welding strips; the front-surface membrane and the back-surface membrane are arranged on the welding belt in a staggered mode;
the welding strip cutting device cuts the welding strip pasted with the front diaphragm and the back diaphragm into welding strip components, and the welding strip clamping device clamps the cut welding strip components and places the welding strip components on the conveying device; wherein each of said solder strip assemblies comprises a solder strip, said front side membrane applied over a front section portion of the solder strip and said back side membrane applied over a back section portion of said solder strip;
the battery piece providing device places battery pieces on the conveying device; the ith battery piece is stacked on the front surface of the rear section part of the ith welding strip assembly, the front section part of the (i + 1) th welding strip assembly is stacked on the ith battery piece to form a battery string, and i is any natural number greater than 0;
and the hot-pressing device carries out hot pressing on the battery string, so that the battery piece, the welding strip, the front diaphragm and the back diaphragm are fixed together.
2. The battery string production line according to claim 1, wherein the front side film pressing tool and the back side film pressing tool are both located at a film-applying station, and the front side film pressing tool and the back side film pressing tool simultaneously apply the front side film sheet and the back side film sheet to the welding tapes drawn to the film-applying station from both sides;
or the front film pressing tool is positioned at a first station, the front film is pasted on the welding strip drawn to the first station, and the back film pressing tool is positioned at a second station, and the back film is pasted on the welding strip drawn to the second station.
3. The battery string production line of claim 1, wherein the front side film press is configured to hot press the front side membrane sheet onto the bonding ribbon, and the back side film press is configured to hot press the back side membrane sheet onto the bonding ribbon;
or the front film press is configured to apply pressure to the front film sheet to adhere the front film sheet having adhesion to the solder tape, and the back film press is configured to apply pressure to the back film sheet to adhere the back film sheet having adhesion to the solder tape.
4. The battery string production line according to claim 1, further comprising a front side film supply device, wherein the front side film supply device comprises a front side film roll and a cutting device for cutting the film strip released from the front side film roll to form the front side film;
the battery string production line further comprises a back diaphragm providing device, wherein the back diaphragm providing device comprises a back diaphragm coil and a cutting device used for cutting the diaphragm released by the back diaphragm coil to form the back diaphragm.
5. The battery string production line according to claim 1, further comprising a pressing tool and a pressing tool handling device for handling the pressing tool, wherein the pressing tool handling device is configured to place one pressing tool on the front surface film of the solder ribbon assembly every time one solder ribbon assembly is placed on the conveying device.
6. The battery string production line according to claim 1, further comprising a solder strip pressing device disposed on a side of the solder strip cutting device near the solder strip roll, wherein the solder strip clamping device pulls the solder strip with the front diaphragm and the back diaphragm applied thereto through the solder strip pressing mechanism and the solder strip cutting device, and the solder strip cutting device cuts the solder strip after the solder strip pressing device presses the solder strip;
the battery string production line further comprises a welding strip pressing device, the welding strip pressing device is arranged between the welding strip pressing mechanism and the welding strip cutting device, and the welding strip pressing device is arranged to press positions, located between the adjacent front diaphragm and the back diaphragm, of the welding strip to form a bending structure.
7. The battery string production line according to any one of claims 1 to 6, further comprising a first guiding device and/or a second guiding device;
the first guiding device is arranged between the welding strip cutting device and the conveying device, and guides the cut welding strip assembly in the process that the cut welding strip assembly moves to the conveying device;
the second guiding device is arranged at a front station of the welding strip cutting device, and a front film and a back film on the welding strip are guided by the second guiding device before the welding strip with the front diaphragm and the back diaphragm applied is cut.
8. The battery string production line according to claim 7, wherein the conveying device comprises a conveying belt and a conveying belt driving mechanism for driving the conveying belt to run, a first end of the conveying belt is arranged to be capable of extending in steps in a direction away from the second end and returning in steps in a direction towards the second end, wherein the conveying belt extends in steps away from the second end for a predetermined length, the conveying belt forms a vacant loading station at the first end, and the welding belt assembly and the battery piece are stacked at the loading station; the first end is the end of the conveying belt close to the welding strip coil, and the second end is the end far away from the first end.
9. The battery string production line according to any one of claims 1 to 6, further comprising a string dividing and cutting device configured to divide the battery string stacked with the entirety of the front surface film and the back surface film into a plurality of independent battery strings of a predetermined length.
10. A battery string production facility, characterized in that it comprises at least two battery string production lines according to any of claims 1-9, arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023083341.XU CN214542259U (en) | 2020-12-18 | 2020-12-18 | Battery string production line and battery string production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023083341.XU CN214542259U (en) | 2020-12-18 | 2020-12-18 | Battery string production line and battery string production equipment |
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| Publication Number | Publication Date |
|---|---|
| CN214542259U true CN214542259U (en) | 2021-10-29 |
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| CN202023083341.XU Active CN214542259U (en) | 2020-12-18 | 2020-12-18 | Battery string production line and battery string production equipment |
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