CN214542264U - Battery string production equipment - Google Patents
Battery string production equipment Download PDFInfo
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- CN214542264U CN214542264U CN202120306359.7U CN202120306359U CN214542264U CN 214542264 U CN214542264 U CN 214542264U CN 202120306359 U CN202120306359 U CN 202120306359U CN 214542264 U CN214542264 U CN 214542264U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 238000003466 welding Methods 0.000 claims abstract description 116
- 238000005520 cutting process Methods 0.000 claims abstract description 107
- 238000001179 sorption measurement Methods 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims description 133
- 238000003825 pressing Methods 0.000 claims description 120
- 229910000679 solder Inorganic materials 0.000 claims description 42
- 239000012528 membrane Substances 0.000 claims description 30
- 239000000872 buffer Substances 0.000 claims description 28
- 238000007731 hot pressing Methods 0.000 claims description 20
- 230000003139 buffering effect Effects 0.000 claims description 8
- 230000001815 facial effect Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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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
-
- 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 device, which comprises a back side film providing device, a welding strip group providing device, a battery piece providing device, a front side film providing device and a conveying device; the back surface film supply device supplies a strip-shaped back surface film to the conveying device; the welding strip group providing device provides a welding strip group to the conveying device; the battery piece supply device supplies battery pieces to the conveying device; the front face film supply device lays a front face film on the conveying device; the front film supply device comprises a front film strip coil, a front film cutting device, a film strip traction device, a front film bearing device and a front film adsorption device; the front film strip is wound with a film strip; the film tape traction device clamps the film tape and draws the film tape to be laid on the front film bearing device; the front face film cutting device cuts a film belt; the front film bearing device is used for bearing the front film formed by cutting; the front face film adsorption device adsorbs the front face film and releases the front face film on the battery string of the conveying device. The utility model provides a technical scheme can effectively improve the efficiency of stacking of battery cluster.
Description
Technical Field
The utility model relates to a photovoltaic cell specifically relates to a battery cluster production facility from producing 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 main-grid-free crystalline silicon solar cell is provided, and a manufacturing process for connecting main-grid-free cell pieces in series into a string adopts the mode that a back surface film and a front surface film are respectively arranged on two sides of a cell string formed by stacking a welding strip and the cell pieces.
Therefore, it is desirable to provide a battery string production apparatus capable of efficiently connecting the non-main-gate battery cells in series in a string.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery cluster production facility to effectively improve the production efficiency that does not have main grid battery piece to concatenate into the battery cluster.
In order to achieve the above object, the present invention provides a battery string production apparatus, which includes a back film providing device, a welding strip group providing device, a battery piece providing device, a front film providing device and a conveying device;
the back surface film supply device supplies a strip-shaped back surface film to the conveying device, the back surface film is laid on a conveying belt in an extending mode along the conveying direction of the conveying belt of the conveying device, and the back surface film can move along with the conveying belt;
the welding strip group providing device is used for providing the welding strip group to the conveying device;
the battery piece providing device provides battery pieces for the conveying device, the welding strip group providing device and the battery piece providing device are matched on a back film on the conveying belt to stack welding strip groups and the battery pieces to form a battery string, the ith battery piece in the battery string is stacked on the rear section part of the ith welding strip group, the front section part of the (i + 1) th welding strip group is stacked on the ith battery piece, and i is any natural number greater than 0;
the positive film supply device is used for laying positive films on the battery strings stacked on the conveying device, wherein the ith positive film is laid on the front section part of the (i + 1) th welding band group in the battery strings;
the front film supply device comprises a front film coil, a front film cutting device, a film coil traction device, a front film bearing device and a front film adsorption device; the front film tape roll is used for winding the film tape; the film tape traction device is arranged to clamp the film tape released by the front film tape coil and penetrating through the front film cutting device and draw the clamped film tape to be laid on the front film bearing device; the front film cutting device is used for cutting the film belt; the front face film bearing device is used for bearing a front face film formed by cutting by the front face film cutting device; the front film adsorption device is arranged to adsorb the front films from the front film bearing device and release the front films on the battery strings laid on the conveying device.
Optionally, the front side film adsorption device is configured to hot press the released front side film when releasing the adsorbed front side film on the battery string.
Optionally, the front film providing device further comprises a front film caching mechanism, the front film caching mechanism comprises a first guide wheel, a second guide wheel and a caching wheel positioned between the first guide wheel and the second guide wheel, a rotating shaft of the caching wheel is arranged to be capable of moving along a track, and the track and a connecting line between the first guide wheel and the second guide wheel form a preset angle;
the film tape released by the front film tape roll is sequentially wound on the first guide wheel, the buffer storage wheel and the second guide wheel, the buffer storage wheel buffers the film tape released by the front film tape roll when moving away from the first guide wheel and the second guide wheel along the rail, and the buffer storage wheel moves towards the first guide wheel and the second guide wheel along the rail to release the buffered film tape when supplying the film tape to the front film cutting device.
Optionally, the front film cutting device comprises a rack, a pressing mechanism and a cutting mechanism, the pressing mechanism and the cutting mechanism are mounted on the rack, the cutting mechanism is arranged on the rear side of the pressing mechanism, a film belt released by the front film belt roll sequentially penetrates through the pressing mechanism and the cutting mechanism from the front side of the pressing mechanism, and the cutting mechanism cuts the film belt when the pressing mechanism presses the film belt;
the pressing mechanism comprises a lower pressing plate and an upper pressing plate which is positioned above the lower pressing plate and can move up and down relative to the lower pressing plate; the lower pressing plate extends towards the rear side of the pressing mechanism to form an extending part which exceeds the upper pressing plate, and at least two notch grooves which are sunken towards the front side are formed in the edge of the extending part towards the rear side at intervals along the edge;
the film tape traction device comprises an installation frame and at least two clamping mechanisms arranged on the installation frame, and each clamping mechanism corresponds to one notch groove of the front film cutting device;
when the end part of the film belt is positioned on the lower pressing plate of the pressing mechanism and extends to the extending part, each clamping mechanism of the film belt traction device clamps the film belt at the corresponding notch groove and pulls the film belt to pass through the cutting mechanism, and then the clamped film belt is laid on the front film bearing device.
Optionally, the front film bearing device comprises a bearing plate, at least one scriber capable of moving along the width direction of the borne front film is arranged on the bearing plate, and the whole front film on the bearing plate is divided into at least two front films by the scriber; wherein, a strip-shaped groove for the movement of the utility knife is arranged on the bearing plate;
the front film adsorption device comprises at least two adsorption parts, and each adsorption part is used for adsorbing one front film divided on the bearing plate;
the front film adsorption device further comprises a driving mechanism for driving the two adjacent adsorption parts to move away from and close to each other, so that the front film adsorbed by each adsorption part is correspondingly released on one welding strip group of the conveying device.
Optionally, the front film cutting device, the film tape traction device and the front film adsorption device are respectively arranged to be capable of lifting relative to the front film bearing device.
Optionally, the welding strip group providing device comprises a plurality of welding strip coils, a welding strip pressing device, a welding strip cutting device and a welding strip traction device, the welding strip coils, the welding strip pressing device, the welding strip cutting device and the welding strip traction device are sequentially arranged along the extending direction of the welding strip, the welding strip traction device pulls the welding strip which is released by the plurality of welding strip coils and penetrates through the welding strip cutting device to a preset position, when the welding strip pressing device presses the welding strip, the welding strip is cut by the welding strip cutting device to form a welding strip group comprising a plurality of welding strip sections, and the welding strip group which is cut by clamping of the welding strip traction device is placed on the back surface film of the conveying device.
Optionally, the battery string production equipment further comprises a plurality of pressing tools respectively used for pressing the front section parts of the welding strip groups of the battery string; the front film adsorption device is arranged to release the adsorbed front film on a welding strip group on which a compaction tool is stacked, and the front film is partially attached and hot-pressed on the front half section of the welding strip group at the gap of the compaction tool; the battery string production equipment further comprises a hot-pressing device, and after the pressing tool is taken away from the battery string, the hot-pressing device carries out hot pressing on the battery string, so that the back surface film, the welding strip group, the battery piece and the front surface film which are stacked together are fixed together.
Optionally, the pressing tool comprises a strip-shaped pressing part and supporting parts respectively arranged at two ends of the pressing part, the pressing part and the supporting parts at two ends form a U-shaped structure, the pressing part is transversely pressed on the welding strip group, the supporting parts at two ends are positioned at two sides of the welding strip group, and the front surface film part is attached to the welding strip group at the middle gap of the U-shaped structure;
or the pressing tool is a frame structure with a hollow middle, the parts of the two opposite ends of the frame structure are pressed on the welding strip group, and the front membrane part is attached to the welding strip group at the hollow position of the frame structure.
Optionally, the battery string production equipment further comprises a tool circulating device for circularly conveying the compaction tool;
the tool circulating device comprises a tool blanking mechanism, a tool conveying mechanism and a tool loading mechanism, wherein the tool blanking mechanism is arranged to be capable of conveying a pressing tool conveyed to the output end of the conveying device to the input end of the tool conveying mechanism, and the tool loading mechanism conveys the pressing tool conveyed by the tool conveying mechanism to the conveying device to press a welding strip group on the conveying device;
the conveying direction of the tool conveying mechanism is opposite to the conveying direction of the conveying device.
Optionally, the back film supply device comprises a back film roll and a back film cutting device, the back film cutting device is arranged at the feeding end of the conveying device, the back film released from the back film roll passes through the back film cutting device and is laid on the conveying device in the conveying direction of the conveying belt of the conveying device in an extending manner, and the back film cutting device is arranged for cutting the back film.
Optionally, the battery string production equipment further comprises a hot-pressing device located above the conveying device, and the hot-pressing device is configured to perform hot pressing on the battery string formed by stacking the back surface film, the welding strip group, the battery piece and the front surface film on the conveying device.
Optionally, the feeding station at the head end of the conveying device is provided with a pair of pressing mechanisms for pressing the battery pieces, and the two pressing mechanisms in pair are respectively arranged on two sides of the conveying belt.
Optionally, the conveyor comprises a frame and a conveyor belt mounted on the frame, the frame comprising a bottom plate located below the conveyor belt, wherein the bottom plate at a loading upper position corresponding to the head end of the conveyor is a heatable plate.
The utility model provides a technical scheme can stack back side membrane, solder strip, battery piece and positive facial membrane on conveyor high-efficiently to improve the production efficiency that does not have main grid battery piece and concatenate into the battery cluster.
Drawings
Fig. 1 is a schematic structural view of a battery string production apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a front film supply device according to an embodiment of the present invention;
FIG. 3 is a schematic view of the front film slitting device;
FIG. 4 is a schematic view of a film strip pulling device holding a film strip from a front film cutting device;
FIG. 5 is a schematic view of the front film carrier movably mounted on the back plate;
FIG. 6 is a schematic structural view of a front membrane adsorption unit;
FIG. 7 is a schematic structural view of a pressing tool;
fig. 8 is a schematic view of another structure of the pressing tool.
Description of the reference numerals
1-a backside film providing device; 11-rolling a back side film coil; 12-a backside film caching mechanism; 13-a back film cutting device; 2-a solder strip group providing device; 21-solder strip coil; 22-weld the strip hold-down device; 23-a solder strip pressing device; 24-a solder strip cutting device; 25-solder strip draw gear; 3-front side film providing means; 31-rolling a facial mask strip; 32-front film buffer memory mechanism; 321-a first guide wheel; 322-a second guide wheel; 323-cache wheel; 324-a guide rail; 33-front film cutting means; 331-a frame; 332-an upper platen; 333-lower pressing plate; 3331-an extension; 3332-notched groove; 334-upper cutter; 335-lower cutter; 336-a stop member; 337-guide rollers; 34-a film tape pulling device; 341-a clamping mechanism; 342-a mounting frame; 35-front film carrier; 351-a carrier plate; 352-connecting block; 353-a toothed block; 354-toothed belts; 355-a paddle; 36-front side membrane adsorption means; 361-a mounting frame; 362-an absorbent member; 363-a flexible layer; 364-sliding rail; 365-a slide block; 366-a lead screw mechanism; 37-a back plate; 4-a conveying device; 5-a tooling circulation device; 6, pressing a tool; 61-a compression section; 62-a support part.
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 device, as shown in fig. 1, the battery string production device comprises a back film providing device 1, a welding strip group providing device 2, a battery piece providing device (not shown in the figure), a front film providing device 3 and a conveying device 4;
the back surface film supply device 1 supplies a strip-shaped back surface film to the conveying device 4, the back surface film is extended and laid on the conveying belt along the conveying direction of the conveying belt of the conveying device 4, and the back surface film can move along with the conveying belt;
the solder strip group providing device 2 is used for providing the solder strip group to the conveying device 4;
the battery piece providing device provides battery pieces for the conveying device 4, the welding strip group providing device 2 and the battery piece providing device are matched on a back film on the conveying belt to stack welding strip groups and the battery pieces to form a battery string, the ith battery piece in the battery string is stacked on the rear section part of the ith welding strip group, the front section part of the (i + 1) th welding strip group is stacked on the ith battery piece, and i is any natural number greater than 0;
the front surface film providing device 3 is used for laying front surface films on the battery strings stacked on the conveying device 4, wherein the ith front surface film is laid on the front section part of the (i + 1) th welding band group in the battery strings;
as shown in fig. 2, the front film supply device 3 includes a front film roll 31, a front film cutting device 33, a film roll pulling device 34, a front film carrying device 35, and a front film adsorption device 36; a front face film roll 31 is provided for winding the film tape; the film tape drawing device 34 is arranged to clamp the film tape which is released by the front film tape roll 31 and passes through the front film cutting device 33 and draw the clamped film tape to be laid on the front film carrying device 35; the front surface film cutting device 33 is used for cutting a film belt; the front face film bearing device 35 is used for bearing the front face film formed by cutting by the front face film cutting device 33; the front film adsorption device 36 is configured to adsorb the front film from the front film carrier 35 and release it onto the battery string laid on the conveyor 4.
Alternatively, the front side film adsorption device 36 is configured to thermally compress the released front side film when releasing the adsorbed front side film on the cell string, and to thermally fuse the front side film to the cell string.
The utility model provides a battery cluster production facility can place back side membrane, solder strip group, battery piece and positive membrane on conveyor 4 high-efficiently to improve the production efficiency that does not have main grid battery piece and concatenate into the battery cluster.
The present invention provides a battery string production apparatus, which is described in detail below according to a specific embodiment.
In the present embodiment, as shown in fig. 1, the back surface film supply device 1 includes a back surface film roll 11 and a back surface film cutting device 13, the back surface film cutting device 13 is disposed at a feeding end of the conveying device 4, the back surface film released from the back surface film roll 11 passes through the back surface film cutting device 13 and is laid on the conveying device 4 to extend in a conveying direction of a conveying belt of the conveying device 4, and the back surface film cutting device 13 is disposed to cut the back surface film.
The back side film supply device 1 may further include a back side film buffer mechanism 12, the film tape released by the back side film tape roll 11 (the film tape can be released by driving the back side film tape roll 11 to rotate by a motor) is firstly buffered in the back side film buffer mechanism 12, when the film tape is pulled downstream of the back side film buffer mechanism 12, the buffered film tape is released by the back side film buffer mechanism 12, then the film tape is released again by the back side film tape roll 11, and the released film tape is buffered by the back side film buffer mechanism 12, and so on.
The specific structure of the back film buffer mechanism 12 can refer to the front film buffer mechanism 32 to be described below, and the principle and the specific structure of the two buffer film belts are the same. The film tape pulled downstream of the back film buffer mechanism 12 is laid on the conveyor 4 after passing through the back film cutter 13 to form a back film stacked on the back of the battery string. And after production or under working conditions such as faults, the film strip is cut by the back film cutting device 13.
In this embodiment, the welding strip group providing device 2 includes a plurality of welding strip coils 21, a welding strip pressing device 22, a welding strip cutting device 24 and a welding strip pulling device 25, the welding strip coils 21, the welding strip pressing device 22, the welding strip cutting device 24 and the welding strip pulling device 25 are sequentially arranged along the extending direction of the welding strip, the welding strip pulling device 25 pulls the welding strip released by the plurality of welding strip coils 21 and passing through the welding strip cutting device 24 to a preset position, when the welding strip pressing device 22 presses the welding strip, the welding strip is cut by the welding strip cutting device 24 to form a welding strip group including a plurality of welding strip sections, and the welding strip group cut by the clamping of the welding strip pulling device 25 is placed on the back surface film of the conveying device 4.
The welding strip group providing device 2 can further comprise a welding strip pressing device 23, the welding strip pressing device 23 is located between the welding strip pressing device 22 and the welding strip cutting device 24, the welding strip traction device 25 pulls the welding strip to a preset position, the welding strip pressing device 23 firstly presses the welding strip to form a bending structure, then the welding strip cutting device 24 cuts the welding strip, in this way, the middle position of the welding strip group formed by cutting the welding strip cutting device 24 is provided with the bending structure, and through the arrangement of the bending structure, the situation that the battery piece is fractured when the front section part of the welding strip group is stacked on the battery piece can be avoided.
As shown in fig. 2, the front film providing device 3 includes a front film roll 31, a front film cutting device 33, a film roll traction device 34, a front film carrying device 35, a front film adsorption device 36, and a front film buffer mechanism 32 located between the front film roll 31 and the front film cutting device 33, the front film buffer mechanism 32 includes a first guide wheel 321, a second guide wheel 322, and a buffer wheel 323 located between the first guide wheel 321 and the second guide wheel 322, a rotating shaft of the buffer wheel 323 is configured to be able to move along a rail 324, and the rail 324 forms a preset angle with a connection line between the first guide wheel 321 and the second guide wheel 322; optionally, the track 324 is between the first guide wheel 321 and the second guide wheel 322 and perpendicular to a line between the first guide wheel 321 and the second guide wheel 322.
The film tape released from the front film tape roll 3 is sequentially wound on the first guide wheel 321, the buffer wheel 323 and the second guide wheel 322, the buffer wheel 323 buffers the film tape released from the front film tape roll 31 while moving away from the first guide wheel 321 and the second guide wheel 322 along the rail 324, and the buffer wheel 323 moves toward the first guide wheel 321 and the second guide wheel 322 along the rail 324 to release the buffered film tape while supplying the film tape to the front film cutting device 33.
The film strip buffering device 32 may further include a sensor, when the buffering wheel 323 moves to a preset position toward the first guide wheel 321 and the second guide wheel 322 to trigger the sensor, the buffering wheel 323 moves away from the first guide wheel 321 and the second guide wheel 322 and rotates the front film strip roll 31 by the motor to release the predetermined length of the film strip, and the buffering wheel 323 moves away from the first guide wheel 321 and the second guide wheel 322 to buffer the predetermined length of the film strip released by the front film strip roll 31.
As shown in fig. 3, the front film cutting device 33 provided in this embodiment includes a frame 331, a pressing mechanism mounted on the frame 331, and a cutting mechanism, the cutting mechanism is disposed at the rear side of the pressing mechanism, the film tape released from the front film tape roll 31 sequentially passes through the pressing mechanism and the cutting mechanism from the front side of the pressing mechanism, and the cutting mechanism cuts the film tape when the pressing mechanism presses the film tape;
the pressing mechanism comprises a lower pressing plate 333 and an upper pressing plate 332 which is positioned above the lower pressing plate 333 and can move up and down relative to the lower pressing plate 333; specifically, the upper press plate 332 can move up and down under the driving of the air cylinder, and press or release the film strip extending between the upper press plate and the lower press plate. Optionally, the surface of the upper platen 332 facing the lower platen 333 is provided with a flexible layer so that the film strip is not damaged when it is pressed.
In addition, a guide wheel 337 for guiding the film tape is arranged at the front side of the pressing mechanism, and the film tape extends into the space between the upper pressing plate and the lower pressing plate of the pressing mechanism from the lower part of the guide wheel 337, so that the film tape can be favorably laid and attached on the lower pressing plate 333.
The cutting mechanism comprises a lower cutting knife 335 and a lower driving mechanism for driving the lower cutting knife 335 to move up and down, and the lower driving mechanism is preferably a lower driving cylinder; the cutting mechanism further includes an upper cutter 334 positioned above the lower cutter 335 and an upper driving mechanism driving the upper cutter 334 to move up and down relative to the lower cutter 335, the upper driving mechanism is preferably an upper driving cylinder, and the upper cutter 334 and the lower cutter 335 are driven to move towards each other by the upper driving cylinder to cut the film tape.
Optionally, a limiting member 336 is disposed on the frame 331, and the limiting member 336 is configured to limit the upward movement of the lower cutter 335 to prevent the lower cutter 335 from exceeding the upper surface of the lower pressing plate 333. That is, when the upper cutter 334 and the lower cutter 335 cut the film tape laid on the lower pressing plate 333, the lower cutter 335 cannot exceed the upper surface of the lower pressing plate 333, and the cutting quality of the film tape is prevented from being affected when the lower cutter moves upward beyond the lower pressing plate 333.
Because the last under cutter is with the membrane area back of cutting off, the clamping mechanism who needs membrane area draw gear 34 presss from both sides and gets the membrane area and draw the membrane area to move, for this end that needs set up the membrane area stretches out holding down plate 333 towards membrane area draw gear 34 to make things convenient for membrane area draw gear 34's clamping mechanism to press from both sides and get the membrane area end, however, if the membrane area stretches out the overlength, the membrane area is very easily flagging, and it is very likely to make the membrane area take place to buckle, and if the distance that the membrane area stretches out is too little, then clamping mechanism presss from both sides and gets the membrane area difficulty.
In order to solve the above problem, in the present embodiment, an extending portion 3331 extending beyond the upper platen 332 is formed on the lower platen 333 toward the rear side of the pressing mechanism, and at least two notch grooves 3332 recessed toward the front side are provided on the edge of the extending portion 3331 toward the rear side at an interval along the edge; the film strip pulling device 34 includes a mounting frame 342 and at least two clamping mechanisms 341 mounted on the mounting frame 342, as shown in fig. 4, wherein the clamping mechanisms 341 may include an upper chuck and a lower chuck, the upper chuck may move towards the lower chuck to clamp the film strip under the driving of a driving cylinder or other linear driving mechanism, and each clamping mechanism 341 corresponds to one of the cut-out grooves 3332 of the front film cutting device 33. In this way, when the film tape is laid on the lower pressing plate 333 of the pressing mechanism and extends onto the extended portion 3331, each clamping mechanism 341 of the film tape drawing device 34 grips the film tape at the corresponding notched groove 3332 and draws the film tape through the cutting mechanism, respectively, and then lays the gripped film tape on the front surface film carrier 35. Therefore, by designing the notch 3332, the film tape can be conveniently clamped by the clamping mechanism, and the film tape can be prevented from sagging.
As shown in fig. 5, the front surface film bearing device 35 provided in this embodiment includes a bearing plate 351 capable of adsorbing a front surface film, wherein an adsorption hole may be provided on an upper surface of the bearing plate 351, a suction channel communicated with the adsorption hole may be provided inside the bearing plate 351, and gas passing through the suction channel may enable the adsorption hole to adsorb the supported front surface film.
Optionally, at least one cutting knife 355 capable of moving in the width direction of the supported front surface film is disposed on the supporting plate 351, and the cutting knife 355 divides the whole front surface film on the supporting plate 351 into at least two front surface films 100; wherein, a strip-shaped groove for the movement of the utility knife 355 is arranged on the bearing plate 351. After the cut front surface film is carried by the front surface film carrying device 35, the utility model drives the utility knife 355 to move along the strip-shaped groove by the driving mechanism, so as to divide the carried whole front surface film into at least two small front surface films 100. The driving mechanism for driving the scribing knife 355 to move may be a pneumatic cylinder or a lead screw mechanism.
The front side carrier 35 further comprises a moving mechanism for driving the carrier plate 351 to move between the front side film cutting means 33 and the front side film suction means 36. The cut front film is carried while the front film carrying means 35 is moved to be close to the front film cutting means 33, and then moved to the front film adsorbing means 36, where the front film carried on the front film carrying means 35 is adsorbed by the front film adsorbing means 36.
Optionally, as shown in fig. 5, the moving mechanism includes a motor, a pulley driven by the motor, and a toothed belt 354 wound on the pulley, the bearing plate 351 is connected to the toothed block 353 through a connecting block 352, the connecting block 352 is slidably connected to the back plate 37, and the toothed block 353 is engaged with the toothed belt 354 through teeth, so that the bearing plate 351 is driven by the toothed block 353 engaged with the teeth to move during the operation of the toothed belt 354. Of course, the moving mechanism may be a screw mechanism, for example.
In the present embodiment, the front film cutting device 33, the film tape pulling device 34, and the front film suction device 36 are each provided to be movable up and down with respect to the front film carrier device 35.
Specifically, the film tape traction device 34 is set to be liftable, when the film tape traction device 34 moves to the front film cutting device 33, the film tape is lifted to a height corresponding to the lower pressing plate 333 of the front film cutting device 33 to clamp the film tape, after the clamped film tape is pulled to be laid on the front film bearing device 35, the pressing mechanism of the front film cutting device 33 clamps the film tape, at this time, the front film cutting device 33 and the film tape traction device 34 can be driven to simultaneously descend by a predetermined distance, so that the film tape can be attached to the bearing plate 351 of the front film bearing device 35, and then the cutting mechanism of the front film cutting device 33 cuts the film tape.
After the carrier plate 351 of the front film carrier 35 carries the cut film sheets, the dicing blade 355 is driven to move along the strip-shaped groove, dividing the entire front film on the front film carrier 35 into at least two small front films. Then, the carrier plate 351 is driven by the moving mechanism to move below the front surface film adsorption device 36, and the front surface film is adsorbed by the front surface film adsorption device 36.
The film belt traction device 34 returns to the front film cutting device 33 to clamp the film belt, in order to avoid the rubbing of the film belt traction device 34 with the bearing plate 351 of the front film bearing device 35 in the moving process, the film belt traction device 34 is driven to rise to a position higher than the bearing plate 351 and then move towards the front film cutting device 33, and when the film belt traction device moves to the front film cutting device 33, the film belt traction device descends to a preset position to clamp the film belt.
In this embodiment, as shown in fig. 6, the front surface film adsorption device 36 includes at least two adsorption parts 362, and each adsorption part 362 is used for adsorbing one front surface film 100 divided on the carrier plate 351;
the front film adsorption device 36 further includes a driving mechanism for driving the adjacent two adsorption parts 362 away from and close to each other, so as to release the front film adsorbed by each adsorption part 362 on one solder ribbon group of the conveying device 4.
The front film adsorption device 36 further includes a driving mechanism for driving two adjacent adsorption components 362 to move away from each other, as shown in fig. 6, a slide rail 364 is disposed on the mounting frame 361, a slider 365 is disposed on the adsorption components 362, one of the adsorption components 362 may be fixed relative to the mounting frame 361, the other adsorption components 362 may be movable, or each adsorption component 362 may be movable, the movable adsorption component 362 is connected with the slider 365 sliding in cooperation with the slide rail 364 and the corresponding driving mechanism, and the adsorption component 362 is driven to move by the driving mechanism. The drive mechanism may be a motor-driven lead screw mechanism 366 or may be an air cylinder.
The distance between the adjacent suction members 362 may be determined according to the distance between the ends of the adjacent solder strips in the battery string, so that at least two front films sucked by the front film suction device 36 can be placed on one solder strip group of the battery string after being separated from each other.
Alternatively, the adsorption part 362 of the front film adsorption device 36 includes an adsorption plate having adsorption holes provided at the bottom and an electric heating rod that heats the adsorption plate above or inside the adsorption plate. Thus, after the adsorption plate releases the adsorbed membrane on the battery string, the released membrane is hot-pressed through the adsorption plate, and the membrane is fixed on the battery string in a hot-pressing mode.
Optionally, a flexible layer 363 is disposed below the adsorption plate, and the flexible layer 363 is disposed to prevent damage to the front face film while compressing the front face film.
In this embodiment, the material loading station of 4 head ends of conveyor can set up a pair of hold-down mechanism, and two mated hold-down mechanism set up respectively in the both sides of conveyer belt, and hold-down mechanism is used for compressing tightly on placing the battery piece that 4 head ends of conveyor placed to back membrane, solder strip group and the battery piece that stacks, like this, back membrane can laminate with the battery piece better.
In addition, the battery string production equipment provided by the utility model also comprises a pressing tool 6 and a hot pressing device (not shown in the figure), wherein the pressing tool 6 is used for pressing the front section part of the welding strip group on the positioning and conveying device 4; after the welding strip group on the conveying device 4 is compressed and positioned by the compressing tool 6, the front film adsorption device is set to release the adsorbed front film on the welding strip group on which the compressing tool 6 is stacked, and the front film is partially attached and hot-pressed on the front half section of the welding strip group at the gap of the compressing tool 6 to compress the tool 6. After the pressing tool 6 is taken away from the battery string, the hot pressing device is used for hot pressing the battery string, namely, the front surface film is not attached to the rest part of the welding band group in a hot pressing mode, so that the back surface film, the welding band group, the battery piece and the front surface film which are stacked together are fixed together.
As shown in fig. 7, the pressing tool 6 may be configured to include a strip-shaped pressing portion 61 and supporting portions 62 respectively disposed at two ends of the pressing portion 61, the pressing portion 61 and the supporting portions 62 at two ends form a U-shaped structure, wherein the pressing portion 61 is configured to transversely press an end portion of a front section of the solder ribbon group, the supporting portions 62 at two ends are located at two sides of the solder ribbon group, and the front film portion is attached to the solder ribbon group at a middle gap of the U-shaped structure.
Of course, the pressing tool 6 may be provided in other structural forms, for example, as shown in fig. 8, the pressing tool 6 is a square frame structure with a hollow middle, two opposite pressing portions 61 of the frame structure are transversely pressed on the welding strip group, and the front film portion is attached to the hollow position of the frame structure.
The hot-pressing device may be disposed above the conveying device 4, and hot-presses the battery string (formed by stacking the back film, the solder ribbon group, the battery sheet, and the front film) while conveying the battery string to a position below the hot-pressing device.
It will be understood by those skilled in the art that when the front film adsorption device does not perform hot pressing on the adsorbed front film, the hot pressing device may also be used to perform overall hot pressing on the battery string, so that the back film, the solder strip group, the battery piece and the front film which are stacked together are fixed together by one-time hot pressing.
Optionally, as shown in fig. 1, the battery string production equipment may further include a tool circulation device 5 for circularly conveying the pressing tool 6, the tool circulation device 5 includes a tool unloading mechanism, a tool conveying mechanism and a tool loading mechanism, the tool unloading mechanism is configured to be capable of conveying the pressing tool 6 conveyed to the output end on the conveying device 4 to the input end of the tool conveying mechanism, and the tool loading mechanism conveys the pressing tool 6 conveyed by the tool conveying mechanism to the conveying device 4 to press the welding strip group on the conveying device 4; wherein, the conveying direction of the tool conveying mechanism is opposite to the conveying direction of the conveying device 4.
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 (14)
1. The battery string production equipment is characterized by comprising a back surface film supply device, a welding strip group supply device, a battery piece supply device, a front surface film supply device and a conveying device;
the back surface film providing device provides a belt-shaped back surface film to the conveying device, and the back surface film is laid on a conveying belt of the conveying device in an extending mode along the conveying direction of the conveying belt, and can move along with the conveying belt;
the welding strip group providing device is used for providing a welding strip group to the conveying device;
the battery piece providing device provides battery pieces for the conveying device, the welding strip group providing device and the battery piece providing device are matched on a back film on the conveying belt to stack welding strip groups and battery pieces to form a battery string, the ith battery piece in the battery string is stacked on the rear section part of the ith welding strip group, the front section part of the (i + 1) th welding strip group is stacked on the ith battery piece, and i is any natural number greater than 0;
the positive film providing device is used for laying positive films on the battery strings stacked on the conveying device, wherein the ith positive film is laid on the front part of the (i + 1) th welding band group in the battery strings;
the front film supply device comprises a front film coil, a front film cutting device, a film coil traction device, a front film bearing device and a front film adsorption device; the front film tape roll is used for winding a film tape; the film tape traction device is arranged to clamp the film tape which is released by the front film tape roll and penetrates through the front film cutting device and to pull the clamped film tape to be laid on the front film carrying device; the front film cutting device is used for cutting the film belt; the front surface film bearing device is used for bearing the front surface film formed by cutting of the front surface film cutting device; the front surface film adsorption device is arranged to adsorb the front surface film from the front surface film bearing device and release the front surface film on the battery string paved on the conveying device.
2. The battery string production apparatus according to claim 1, wherein the front surface film adsorbing device is configured to thermally press the adsorbed front surface film when releasing the front surface film on the battery string.
3. The battery string production equipment according to claim 1, wherein the front surface film providing device further comprises a front surface film buffering mechanism, the front surface film buffering mechanism comprises a first guide wheel, a second guide wheel and a buffering wheel positioned between the first guide wheel and the second guide wheel, a rotating shaft of the buffering wheel is arranged to be movable along a track, and the track forms a preset angle with a connecting line between the first guide wheel and the second guide wheel;
the positive facial mask tape roll is released the membrane area and is wound in proper order around first leading wheel, buffer memory wheel and on the second leading wheel, buffer memory wheel is followed the track is kept away from first leading wheel with when the second leading wheel removes to buffer memory is carried out to the membrane area that positive facial mask tape roll was released, to when positive facial mask cutting device provided the membrane area, buffer memory wheel is followed the track orientation first leading wheel with the second leading wheel removes the membrane area that releases the buffer memory.
4. The battery string production apparatus according to claim 1, wherein the front side film cutting device comprises a frame, a pressing mechanism and a cutting mechanism, the pressing mechanism and the cutting mechanism are mounted on the frame, the cutting mechanism is arranged at the rear side of the pressing mechanism, a film belt released by the front side film belt roll sequentially passes through the pressing mechanism and the cutting mechanism from the front side of the pressing mechanism, and the cutting mechanism cuts the film belt when the pressing mechanism presses the film belt;
the pressing mechanism comprises a lower pressing plate and an upper pressing plate which is positioned above the lower pressing plate and can move up and down relative to the lower pressing plate; the lower pressing plate extends towards the rear side of the pressing mechanism to form an extending part which exceeds the upper pressing plate, and at least two notch grooves which are sunken towards the front side are arranged on the edge of the extending part towards the rear side at intervals along the edge;
the film tape traction device comprises a mounting rack and at least two clamping mechanisms mounted on the mounting rack, and each clamping mechanism corresponds to one notch groove of the front film cutting device;
when the end part of the film belt is positioned on the lower pressing plate of the pressing mechanism and extends to the extending part, each clamping mechanism of the film belt traction device clamps the film belt and pulls the film belt to pass through the cutting mechanism at the corresponding notch groove respectively, and then the clamped film belt is laid on the front film bearing device.
5. The battery string production apparatus according to claim 1, wherein the front side film carrying device comprises a carrying plate on which at least one scribing knife capable of moving in a width direction of the carried front side film is provided, the scribing knife dividing the entire front side film on the carrying plate into at least two front side films; the bearing plate is provided with a strip-shaped groove for the movement of the utility knife;
the front surface film adsorption device comprises at least two adsorption parts, and each adsorption part is used for adsorbing one divided front surface film on the bearing plate;
the front film adsorption device further comprises a driving mechanism for driving two adjacent adsorption parts to move away from and close to each other, so that the front film adsorbed by each adsorption part is correspondingly released on one solder strip group of the conveying device respectively.
6. The battery string production apparatus according to claim 1, wherein the obverse-sided film cutting device, the film tape pulling device, and the obverse-sided film adsorbing device are respectively provided to be able to be lifted with respect to the obverse-sided film carrying device.
7. The battery string production apparatus according to claim 1, wherein the solder ribbon group providing device includes a plurality of solder ribbon coils, a solder ribbon pressing device, a solder ribbon cutting device, and a solder ribbon pulling device, the solder ribbon coils, the solder ribbon pressing device, the solder ribbon cutting device, and the solder ribbon pulling device are arranged in sequence along an extending direction of the solder ribbon, the solder ribbon pulling device pulls the solder ribbon released by the plurality of solder ribbon coils and passing through the solder ribbon cutting device to a preset position, the solder ribbon group including a plurality of solder ribbon sections is formed by cutting the solder ribbon by the solder ribbon cutting device when the solder ribbon pressing device presses the solder ribbon, and the solder ribbon group cut by the solder ribbon pulling device is held and placed on the back surface film of the conveying device.
8. The battery string production apparatus according to any one of claims 1 to 7, further comprising a plurality of pressing tools for pressing on front sections of the ribbon groups of the battery string, respectively;
the front film adsorption device is arranged to release the adsorbed front film on the welding belt group on which the pressing tool is stacked, and the front film is partially attached and hot-pressed on the front half section of the welding belt group at the gap of the pressing tool;
the battery string production equipment further comprises a hot-pressing device, and after the pressing tool is taken away from the battery string, the hot-pressing device carries out hot pressing on the battery string, so that the back surface film, the welding strip group, the battery piece and the front surface film which are stacked together are fixed together.
9. The battery string production equipment according to claim 8, wherein the pressing tool comprises a strip-shaped pressing part and supporting parts respectively arranged at two ends of the pressing part, the pressing part and the supporting parts at the two ends form a U-shaped structure, the pressing part is transversely pressed on the welding strip group, the supporting parts at the two ends are positioned at two sides of the welding strip group, and the front surface film part is attached to the welding strip group at the middle gap of the U-shaped structure;
or the pressing tool is a frame structure with a hollow middle, the parts of the two opposite ends of the frame structure are pressed on the welding strip group, and the front membrane part is attached to the welding strip group at the hollow position of the frame structure.
10. The battery string production equipment according to claim 8, further comprising a tool circulating device for circularly conveying the pressing tool;
the tool circulating device comprises a tool blanking mechanism, a tool conveying mechanism and a tool loading mechanism, wherein the tool blanking mechanism is arranged to convey the pressing tools conveyed to the output end of the conveying device to the input end of the tool conveying mechanism, and the tool loading mechanism conveys the pressing tools conveyed by the tool conveying mechanism to the conveying device to press the welding strip group on the conveying device;
the conveying direction of the tool conveying mechanism is opposite to the conveying direction of the conveying device.
11. The battery string production apparatus according to any one of claims 1 to 7, wherein the back side film supply device comprises a back side film roll and a back side film cutting device, the back side film cutting device is provided at a feed end of the conveying device, the back side film released from the back side film roll passes through the back side film cutting device and is laid on the conveying device in a conveying direction of a conveying belt of the conveying device, and the back side film cutting device is provided for cutting the back side film.
12. The battery string production apparatus according to any one of claims 1 to 7, further comprising a hot press device located above the conveyor device, the hot press device being configured to hot press a battery string formed by stacking the back surface film, the tab stack, the battery sheet, and the front surface film on the conveyor device.
13. The battery string production apparatus according to any one of claims 1 to 7, wherein the feeding station at the head end of the conveyor is provided with a pair of pressing mechanisms for pressing the battery pieces, and the pair of pressing mechanisms are respectively provided on both sides of the conveyor belt.
14. The battery string production apparatus according to any one of claims 1 to 7, wherein the conveyor comprises a frame and the conveyor belt mounted on the frame, the frame comprising a bottom plate located below the conveyor belt, wherein the bottom plate is a heatable heating plate at a loading upper position corresponding to a head end of the conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120306359.7U CN214542264U (en) | 2021-02-03 | 2021-02-03 | Battery string production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120306359.7U CN214542264U (en) | 2021-02-03 | 2021-02-03 | Battery string production equipment |
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| CN214542264U true CN214542264U (en) | 2021-10-29 |
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| CN202120306359.7U Active CN214542264U (en) | 2021-02-03 | 2021-02-03 | Battery string production equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768569A (en) * | 2021-02-03 | 2021-05-07 | 无锡奥特维科技股份有限公司 | Battery string production equipment |
| CN115347084A (en) * | 2022-10-20 | 2022-11-15 | 苏州小牛自动化设备有限公司 | Battery cluster production facility |
| CN116852440A (en) * | 2023-07-05 | 2023-10-10 | 无锡奥特维科技股份有限公司 | A strip material cutting device and film tape attaching equipment |
-
2021
- 2021-02-03 CN CN202120306359.7U patent/CN214542264U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768569A (en) * | 2021-02-03 | 2021-05-07 | 无锡奥特维科技股份有限公司 | Battery string production equipment |
| CN112768569B (en) * | 2021-02-03 | 2024-08-30 | 无锡奥特维科技股份有限公司 | Battery string production equipment |
| CN115347084A (en) * | 2022-10-20 | 2022-11-15 | 苏州小牛自动化设备有限公司 | Battery cluster production facility |
| CN116852440A (en) * | 2023-07-05 | 2023-10-10 | 无锡奥特维科技股份有限公司 | A strip material cutting device and film tape attaching equipment |
| CN116852440B (en) * | 2023-07-05 | 2026-01-16 | 无锡奥特维科技股份有限公司 | Strip material cutting device and film strip attaching equipment |
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