CN113471330A - Method and device for inserting film strips - Google Patents
Method and device for inserting film strips Download PDFInfo
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- CN113471330A CN113471330A CN202110735763.0A CN202110735763A CN113471330A CN 113471330 A CN113471330 A CN 113471330A CN 202110735763 A CN202110735763 A CN 202110735763A CN 113471330 A CN113471330 A CN 113471330A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000012528 membrane Substances 0.000 claims description 57
- 230000007246 mechanism Effects 0.000 claims description 35
- 238000003466 welding Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 241000252254 Catostomidae Species 0.000 claims description 2
- 238000007723 die pressing method Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 description 17
- 230000009471 action Effects 0.000 description 9
- 238000000926 separation method Methods 0.000 description 6
- 238000003475 lamination Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
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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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- Microelectronics & Electronic Packaging (AREA)
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides a method and a device for inserting a film strip, which realize automatic film plugging operation between adjacent battery pieces on a finished battery string, and take the problem of film plugging quality into consideration by the film plugging method and the film plugging device.
Description
Technical Field
The invention relates to a film distributing and filling method, in particular to a method for inserting film strips and a device for inserting the film strips.
Background
During the lamination process of the battery assembly, the EVA film cannot be completely fused between the welding strip and the battery piece, and the battery piece assembly without filling and supporting can cause the battery piece to crack under the action of pressure. Generally, an EVA film is added between the cells, and the EVA film is added to a partial area between two adjacent cells and the solder strip before the lamination process, and is melted and filled to a gap where the cells and the solder strip contact to fill and support the gap after heating.
The membrane mode of filling in of prior art adopts the sucking disc to adsorb behind the mantle the unilateral release mantle after filling in the clearance of battery piece and welding the area, and this membrane mode of filling in can arouse the fold of mantle, can not smooth fill in between battery piece and the welding area, can lead to the mantle after the hot melt to have the bubble to produce to the control of length is inaccurate, can increase the material cost of mantle.
Disclosure of Invention
The invention provides a method for inserting a film strip for solving the problems in the prior art, which is used for placing the film strip between a welding strip between adjacent battery pieces and the battery pieces on a battery string.
The method comprises the following steps: drawing two ends of the membrane strip and stretching the membrane strip;
step two: adjusting the pose of the battery pieces to enable the unwelded welding strip sections (6) between the two adjacent battery pieces to be separated from the corresponding battery pieces to form an included angle alpha;
step three: placing the elongated membrane strip between the battery piece and the welding strip section from the opening with the included angle alpha;
step four: releasing two ends of the membrane strip, and returning each battery piece on the battery string;
the step one and the step two are implemented by different devices, and can be simultaneously carried out without sequencing.
Furthermore, when the step I is implemented, the two ends of the membrane strip are pulled to elongate the membrane strip, so that the total length of the membrane strip is slightly larger than the width of the battery string, and the traction device and the battery piece cannot interfere with each other when the membrane is plugged.
And further, when the fourth step is implemented, after the middle part of the membrane strip is fixed, two ends of the membrane strip are released, so that the membrane strip is inwards shrunk by taking the middle part as a reference point, the two ends are consistent in length after shrinkage, and the positions of the two ends are flush with the side edges of the battery piece.
Further, the film strip is heated to be attached to the welding strips and the battery pieces.
The invention also provides a device for distributing and plugging the membrane according to the method, which comprises the following steps:
the film distributing device is arranged above the battery string and used for conveying and stretching the film strips;
the sheet arranging device is arranged below the battery string and used for placing and pulling each battery sheet on the battery string;
the film distributing device is used for grabbing each film strip from the film supplying mechanism, then conveying the film strip to the upper side of the sheet arranging device, matching with the sheet arranging action of the sheet arranging device, and inserting the stretched film strips into the adjacent battery sheets.
The film distributing device is provided with film plugging components clamped at two ends of the film strip, and the sheet arranging device is provided with a rotating module which is consistent with the number of the battery sheets and drives the battery sheets to adjust the pose;
the action of stopper membrane needs to move in height and length direction, and stopper membrane subassembly can reciprocate for the battery cluster, and the reason piece device can drive the battery piece at battery cluster length direction reciprocating motion.
Further, the film distribution device comprises: the device comprises a Z-direction driving mechanism, a supporting beam arranged at the moving end of the Z-direction driving mechanism, and a film plugging component connected below the supporting beam through a connecting angle plate, wherein the up-and-down movement function of the film plugging component is realized through the Z-direction driving mechanism.
Further, in order to stretch the film strip, the film plugging assembly comprises: the film strip clamping device comprises grippers for clamping or releasing two ends of a film strip, a driving sliding table for driving the grippers at the two ends to mutually approach or separate, and a first clamping arm and a second clamping arm for connecting the grippers at the two ends with the moving end of the driving sliding table.
Furthermore, a guide rail parallel to the length direction of the battery string is installed on the support beam, a film separating mechanism capable of freely moving along the guide rail is installed on a sliding block of the guide rail, and the film separating mechanism conveys the film strips to the grippers one by one along the guide rail.
Further, divide membrane mechanism includes: the membrane hand of grabbing that reciprocates, the lift drive that the membrane hand reciprocated is grabbed in the drive, and wherein, lift drive installs on the slider of guide rail, grabs membrane hand below and sets up the soft membrane sucking disc that a plurality of groups are used for adsorbing the membrane strip, when grabbing membrane hand and snatching the membrane strip from supplying membrane mechanism, need independently carry out the ascending removal of direction of height.
Furthermore, the film separating mechanism is installed on the linear motor rotor and runs between the grippers at two ends, the linear motor is fixed to the back of the supporting beam, the middle section of the film strip grabbed by the film grabbing hand moves to each gripper, two ends of the film strip are exposed, two ends of the film strip are placed between the clamping jaws of the grippers, the linear motor drives the film grabbing hand to move horizontally at the height to drive each film strip to the grippers, the grippers clamp two ends of the film strip, and the soft film sucker releases the grabbed film strip.
Further, a die assembly is connected to the plug membrane assembly, the die assembly comprising: the pressing heads act on the middle parts of the membrane strips, the supporting rods are connected with the pressing heads, the pressing die air cylinders are used for driving the pressing heads to press down or move up, and when the membranes are plugged, the pressing die air cylinders drive the pressing heads to move down; act on the membrane strip, make the relative battery cluster in membrane strip middle part not take place the displacement, wherein, the stiff end of moulding-die cylinder is fixed on first arm lock or second arm lock, and the power take off end and the vaulting pole of moulding-die cylinder are connected, and the pressure head is flexible glue materials such as rubber, nylon.
Further, the reason piece device includes: the rotary modules are arranged at the upper part of the piece arranging platform, and are arranged on the X-direction drive and X-direction guide rails at the lower part of the piece arranging platform; the X-direction guide rail is arranged in parallel to the length direction of the battery string, the power output end of the X-direction drive is connected to the lower portion of the piece arranging platform, and the piece arranging device is driven to drive the battery string to move back and forth along the X-direction guide rail.
Further, the rotation module includes: a rotary platform for adsorbing single battery piece sets up the heating rod in rotary platform inside, and the rotatory actuating mechanism that drive rotary platform rotated and reset around the pivot, and on each rotary platform was arranged in to the battery cluster, rotary platform rotated certain angle through driving the battery piece, and the gesture of adjustment battery piece makes the not welded solder strip section between two adjacent battery pieces and corresponds the battery piece separation and form contained angle alpha.
Furthermore, after the battery piece rotates a certain angle, the welding strip section connecting adjacent battery pieces is bent, the distance of adjacent battery pieces in the length direction of the battery string is reduced, in order to compensate the size change of the battery piece in the length direction after the posture adjustment, the whole battery string is arranged on a guide rail parallel to the length direction of the battery string, the rotating modules are arranged along the length direction of the battery string in a horizontal state, and after the rotating modules rotate, the rotating modules are close to each other in the length direction of the battery string.
The invention has the technical effects that: the automatic film plugging process between adjacent battery pieces on the finished battery string is realized, and the battery string after film plugging can obtain good support and filling due to the clearance between the battery pieces and the welding strip at the overlapping part in the subsequent lamination process, so that the defect of hidden cracking of the battery pieces due to lamination stress can be avoided; secondly, the film plugging method and the film plugging device consider the problem of film plugging quality, utilize the elastic deformation characteristic of the film strip, stretch the film strip for a distance, use the tongs to plug the film between the adjacent battery piece and the welding strip section after the attitude adjustment in a contactless manner, and after the battery piece recovers the normal attitude, press the middle part of the film strip, release both ends of the film strip again, make the film strip recover the original length, the position of the film strip plugged in this way is correct, and is smooth and wrinkle-free, and after heating, the film strip and the welding strip are tightly attached.
Drawings
FIG. 1 is a schematic diagram of a film distribution and plugging method of the present invention;
FIG. 2 is a front view of the film spreading and plugging device;
FIG. 3 is an isometric view of a stopper membrane assembly;
FIG. 4 is a left side view of the membrane plugging assembly and the membrane separation mechanism;
FIG. 5 is an isometric view of the membrane separation mechanism;
FIG. 6 is an isometric view of the rotation module;
FIG. 7 is a partial view of a cloth membrane and membrane plugging device during membrane plugging;
fig. 8 is a partial large view of a certain plug membrane position.
In the figure, 2, a film distributing device, 3, a film arranging device, 4, a film strip, 6, a welding strip, 7, a battery string assembly, 21, a film plugging assembly, 22, a guide rail, 23, a film separating mechanism, 24, a supporting beam, 25, a film pressing assembly, 26, a linear motor rotor, 31, a rotating module, 32, an X-direction guide rail, 33, an X-direction drive, 34, a film arranging platform, 35, a long guide rail, 210, a clamping jaw, 212, a first clamping arm, 213, a second clamping arm, 214, a connecting angle plate, 215, a driving sliding table, 251, a supporting rod, 231, a lifting drive, 233, a soft film sucker, 234, a film grabbing hand, 252, a pressure head, 253 film pressing air cylinders, 312, a rotating platform, 313, a rotating shaft, 314, a rotating drive mechanism and 315, a heating rod.
Detailed Description
The following describes a specific embodiment of the present invention with reference to fig. 1 to 8.
Fig. 1 illustrates a method for plugging a film according to the present invention, in which two ends of a film strip 4 are pulled at a position corresponding to a battery string and the film strip 4 before plugging the film, the film strip 4 is elongated, the pose of a battery piece is adjusted, a non-welded welding strip section 6 between two adjacent battery pieces on the battery string is separated from the corresponding battery piece to form an included angle α, the elongated film strip 4 is placed between the battery piece and the welding strip section 6 from the included angle α, the pose of each battery piece on the battery string is restored to an initial state, the middle portion of the film strip 4 is pressed, and two ends of the film strip 4 are released.
Fig. 2 illustrates an embodiment of a film dispensing and plugging device, which comprises: the film distributing device 2 is arranged above the battery string and used for conveying and stretching the film strip 4, and the sheet arranging device 3 is arranged below the battery string and used for placing and pulling each battery sheet on the battery string; wherein, be equipped with on the cloth membrane device 2 and press from both sides the stopper membrane subassembly 21 at membrane strip 4 both ends, be equipped with on the reason piece device 3 and drive the rotatory module 31 of battery piece adjustment position appearance, stopper membrane subassembly 21 can reciprocate for battery cluster and reason piece device 3, and reason piece device 3 can drive the battery piece at battery cluster length direction reciprocating motion.
The film distribution device 2 comprises: a Z-direction driving mechanism 20, a supporting beam 24 arranged at the moving end of the Z-direction driving mechanism 20, and three sets of plug membrane assemblies 21 connected below the supporting beam 24 through a connecting angle plate 214; the support beam 24 is provided with a guide rail 22 arranged in parallel with the longitudinal direction of the battery string, a slide block of the guide rail 22 is provided with a film separating mechanism 23 capable of freely moving along the guide rail 22, and the film separating mechanism 23 is driven by a mover 26 of a linear motor to move relative to each film plug assembly 21.
The sheet arranging device 3 comprises: a plurality of rotating modules 31 arranged on the upper part of the arranging platform 34, an X-direction drive 33 and an X-direction guide rail 32 arranged on the lower part of the arranging platform 34; wherein, X is to the guide rail 32 setting of being on a parallel with battery cluster length direction, and X is to drive 33 preferred selection cylinder, and the power take off end of cylinder is connected in reason piece platform 34 lower part, drives reason piece device 3 along X to guide rail 32 reciprocating motion.
Fig. 3 illustrates a specific structure of the plugging film assembly, and any one of the plugging film assemblies 21 includes: four sets of grippers 210 for gripping or releasing both ends of the film strip 4, a driving slide table 215 for driving the grippers 210 at both ends to approach or move away from each other, and a first gripper arm 212 and a second gripper arm 213 for connecting the grippers 210 at both ends with the moving end of the driving slide table 215. The hand grip 210 is located at the bottommost layer of the film plugging assembly 21, the driving slide table 215 is installed below the connecting angle plate 214, and the first clamping arm 212 and the second clamping arm 213 are located between the driving slide table 215 and the hand grip 210.
Attached to the plug membrane assembly 21 is a die assembly 25, the die assembly 25 comprising: four pressing heads 252 acting on the middle of the membrane strip 4, a support rod 251 connected with each pressing head 252, and a pressing mould air cylinder 253 for driving the pressing heads 252 to press downwards or move upwards; wherein, the fixed end of the die cylinder 253 is fixed on the first clamping arm 212 or the second clamping arm 213, and the power output end of the die cylinder 253 is connected with the stay 251
The film pulling action controlled by the driving sliding table 215, the film clamping action controlled by the gripper 210 and the pressing action of the pressing head 252 are preferably driven by an air cylinder.
Fig. 4 illustrates the relative position relationship between the film plugging assembly and the film separating mechanism, the film separating mechanism 23 is mounted on the linear motor rotor 26 and runs between the grippers 210 at both ends, the middle section of the film strip 4 gripped by the film gripping hand 234 moves to each gripper 210, and both ends of the film strip 4 are respectively placed between the clamping jaws of the grippers 210.
Fig. 5 illustrates an external structure of the film separation mechanism, and the film separation mechanism 23 includes: the film grabbing hand 234 capable of moving up and down drives the film grabbing hand 234 to move up and down, the lifting drive 231 is installed on the sliding block of the guide rail 22, and a plurality of groups of soft film suckers 233 capable of sucking and grabbing seven film strips 4 are arranged below the film grabbing hand 234.
Fig. 6 illustrates the external structural features of the rotating die set, and the rotating die set 31 includes: a rotary platform 312 for absorbing a single battery piece, a heating rod 315 arranged inside the rotary platform 312, and a rotary driving mechanism 314 for driving the rotary platform 312 to rotate around a rotating shaft 313 and reset; the rotating modules 31 are mounted on the same long guide rail 35 parallel to the length direction of the battery string, when the rotating modules 31 are in a horizontal state, the rotating modules 31 are arranged along the length direction of the battery string at the distance of adjacent battery pieces, and after the rotating modules 31 rotate, the rotating modules 31 are close to each other in the length direction of the battery string.
Fig. 7 and 8 show the state that the film distributing device and the sheet arranging device are matched with each other to plug the film, the film distributing device 2 drives the gripper 210 gripping the film strip 4 to be positioned at the lower position, and each rotating module 31 on the sheet arranging device 3 adjusts the pose of the battery sheet, so that the film strip 4 is positioned in the opening direction of the included angle alpha formed by the separation of the unwelded welding strip section 6 between two adjacent battery sheets and the corresponding battery sheet.
The working principle is as follows: and (3) film distribution stage: the film separating mechanism 23 is driven by the linear motor rotor 26 to move to two sides of the supporting beam 24, the lifting drive 231 drives the film grabbing hands 234 to move downwards to grab the film strips 4 on the film supplying mechanism, the soft film sucker 233 is adsorbed in the middle area of the film strips 4 to expose two ends, and the lifting drive 231 drives the film grabbing hands 234 to ascend to enable the heights of the two ends of the film strips 4 to be consistent with the height of the hand grip 210;
the linear motor rotor 26 drives the film separating mechanism 23 to move towards the nearest film plugging assembly 21, so that one film strip 4 adsorbed on the soft film sucker 233 is positioned between the two clamping jaws of one group of the grippers 210, the clamping jaws of the grippers 210 are closed to clamp two ends of the film strip 4, and the soft film sucker 233 adsorbing the film strip 4 releases the film strip; the above-described actions are repeated, and the film separating mechanism 23 sequentially distributes all the film strips 4 captured along the guide rail 22 to each set of grippers 210.
And (3) a membrane plugging stage: the Z-direction driving mechanism 20 drives the film distribution device 2 to move downwards, so that the film strips 4 on the hand grips 210 are close to the battery strings, each rotating module 31 on the sheet arrangement device 3 is correspondingly provided with each independent battery sheet on one battery string, the rotating platform 312 is driven by the rotating driving mechanism 314 around the rotating shaft 313, after rotating for a certain angle, the unwelded welding strip section 6 between the adjacent battery sheets is separated from the corresponding battery sheet to form an included angle alpha, meanwhile, after the position and the posture of the battery sheet are adjusted, the welding strip connected with the battery sheet is bent, the distance between the adjacent battery sheets is shortened, and each rotating module 31 on the sheet arrangement device 3 is close to one rotating module 31 on the end part in the length direction of the battery string;
the gripper 210 on the film plugging assembly 21 stretches the film strip 4 by a distance at one end under the action of the driving sliding table 215, the exposed part of the stretched film strip 4 is longer than the width of the battery piece, the X-direction drive 33 drives the piece arranging device 3 and each battery piece to integrally move along the X-direction guide rail 32, the film strip enters the included angle alpha, the rotating platform 312 on the rotating module 31 drives the battery piece to restore to the horizontal position, the film strip 4 is clamped between the adjacent battery pieces, the pressing die cylinder 253 on the pressing die assembly 25 drives the pressing head 252 to move downwards to press the middle part of the film strip 4, the clamping jaw on the gripper 210 releases the film strip 4, the film strip 4 rebounds to the original size, and the film strip 4 is attached to the contacted battery piece and the welding strip under the action of the heating rod 315.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (14)
1. A method for inserting membrane strips is used for placing membrane strips (4) between welding strips between adjacent battery plates and battery plates on a battery string, and is characterized by comprising the following specific steps:
the method comprises the following steps: drawing two ends of the membrane strip (4) and stretching the membrane strip;
step two: adjusting the pose of the battery pieces to separate the unwelded welding strip section (6) between two adjacent battery pieces from the corresponding battery piece to form an included angle alpha;
step three: placing the elongated membrane strip (4) between the battery piece and the welding strip section (6) from the opening with the included angle alpha;
step four: releasing two ends of the membrane strip (4), and returning each battery piece on the battery string;
the first step and the second step are not in sequence.
2. The method for inserting film strips according to claim 1, wherein the step one is carried out, the film strips (4) are elongated, and the total length of the film strips (4) is slightly larger than the width of the battery string.
3. The method for interpenetrating a membrane strip as claimed in claim 1, wherein said step four is carried out by fixing the middle portion of the membrane strip (4) and then releasing the two ends of the membrane strip (4).
4. The method of inserting the film strip according to claim 1, wherein the film strip (4) is heated to attach the solder strip and the battery piece.
5. A device for inserting a film strip for carrying out the method according to any one of claims 1 to 3, characterized in that it comprises:
the film distributing device (2) is arranged above the battery string and used for conveying and stretching the film strips (4);
the sheet arranging device (3) is arranged below the battery string and used for placing and pulling each battery sheet on the battery string;
wherein, the film distributing device (2) is provided with film plugging components (21) clamped at two ends of the film strip (4), and the sheet arranging device (3) is provided with a rotating module (31) which has the same number with the battery sheets and drives the battery sheets to adjust the pose;
the film plugging component (21) can move up and down relative to the battery string, and the piece arranging device (3) can drive the battery pieces to move back and forth in the length direction of the battery string.
6. The device for interpenetration of film strips according to claim 5, characterized in that the film distribution device (2) comprises: the Z-direction driving mechanism (20), a supporting beam (24) arranged at the moving end of the Z-direction driving mechanism (20), and a plug membrane assembly (21) connected below the supporting beam (24) through a connecting angle plate (214).
7. The device for inserting a film strip according to claim 6, wherein the film plugging assembly (21) comprises: the film strip clamping device comprises grippers (210) used for clamping or releasing two ends of a film strip (4), a driving sliding table (215) used for driving the grippers (210) at the two ends to approach or separate from each other, and a first clamping arm (212) and a second clamping arm (213) used for connecting the grippers (210) at the two ends with the moving end of the driving sliding table (215).
8. The device for inserting the film strips according to claim 7, wherein the support beam (24) is provided with a guide rail (22) which is arranged in parallel with the length direction of the battery string, and a slide block of the guide rail (22) is provided with a film separating mechanism (23) which can freely move along the guide rail (22).
9. The device for inserting film strips according to claim 8, wherein the film separating mechanism (23) comprises: a film grabbing hand (234) moving up and down, and a lifting drive (231) driving the film grabbing hand (234) to move up and down;
wherein, the lifting drive (231) is arranged on the slide block of the guide rail (22), and a plurality of groups of soft film suckers (233) for adsorbing the film strip (4) are arranged below the film grabbing hand (234).
10. The device for inserting the film strips according to claim 9, wherein the film separating mechanism (23) is mounted on a linear motor rotor (26) and runs between the grippers (210) at two ends, the middle section of the film strip (4) gripped by the gripper (234) moves to each gripper (210), and two end parts of the film strip (4) are placed between the clamping jaws of the grippers (210).
11. The device for inserting the film strip according to any one of claims 7 to 10, wherein a die assembly (25) is connected to the film plugging assembly (21), and the die assembly (25) comprises: a plurality of pressure heads (252) acting on the middle part of the membrane strip (4), a support rod (251) connected with each pressure head (252), and a die pressing cylinder (253) driving the pressure heads (252) to press down or move up; the fixed end of the die cylinder (253) is fixed on the first clamping arm (212) or the second clamping arm (213), and the power output end of the die cylinder (253) is connected with the support rod (251).
12. Device for interpenetration of film strips according to claim 5, characterized in that the sheet-arranging device (3) comprises: a plurality of rotating modules (31) arranged at the upper part of the piece arranging platform (34), an X-direction drive (33) and an X-direction guide rail (32) arranged at the lower part of the piece arranging platform (34); the X-direction guide rail (32) is arranged in parallel to the length direction of the battery string, the power output end of the X-direction drive (33) is connected to the lower portion of the sheet arranging platform (34), and the sheet arranging device (3) is driven to move in a reciprocating mode along the X-direction guide rail (32).
13. Device for interpenetration of a film strip according to claim 12, characterized in that said rotating module (31) comprises: the battery pack comprises a rotary platform (312) with a function of adsorbing battery pieces, a heating rod (315) arranged inside the rotary platform (312), and a rotary driving mechanism (314) for driving the rotary platform (312) to rotate around a rotating shaft (313) and reset.
14. The device for inserting the film strip according to claim 12, wherein each of the rotating modules (31) is installed on a same long guide rail (35) parallel to the length direction of the cell string, when the rotating modules (31) are in a horizontal state, the rotating modules (31) are arranged along the length direction of the cell string at a distance from adjacent cells, and after the rotating modules (31) rotate, the rotating modules (31) are close to each other in the length direction of the cell string.
Priority Applications (1)
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