CN115041805A - Ultrasonic welding positioning device and welding positioning method for power battery cover plate - Google Patents
Ultrasonic welding positioning device and welding positioning method for power battery cover plate Download PDFInfo
- Publication number
- CN115041805A CN115041805A CN202210870385.1A CN202210870385A CN115041805A CN 115041805 A CN115041805 A CN 115041805A CN 202210870385 A CN202210870385 A CN 202210870385A CN 115041805 A CN115041805 A CN 115041805A
- Authority
- CN
- China
- Prior art keywords
- positioning
- carrier
- welded
- welding
- cover plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 203
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000002985 plastic film Substances 0.000 claims abstract description 23
- 239000004033 plastic Substances 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 239000000969 carrier Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002052 molecular layer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses an ultrasonic welding positioning device and a welding positioning method for a power battery cover plate. The ultrasonic welding positioning device comprises a welding module and a conveying module, wherein the conveying module comprises a carrier, and the welding module comprises a bracket; welding a head by ultrasonic welding; positioning a jig; and a support plate. The welding module is provided with a first working state and a second working state, and a space allowing the carrier to pass through is formed between the ultrasonic welding head and the positioning jig in the first working state, so that the cover plate to be welded on the carrier enters the position below the ultrasonic welding head; and when the second working state is realized, the positioning part of the positioning jig is positioned above the carrier, so that the cover plate to be welded is positioned on the positioning jig, and the positioning jig is positioned on the supporting plate and supported by the supporting plate. The ultrasonic welding positioning device and the ultrasonic welding positioning method improve the assembly precision of the top cover plate and the plastic sheet.
Description
Technical Field
The invention relates to the technical field of power battery manufacturing, in particular to an ultrasonic welding positioning device and method for a power battery cover plate.
Background
The continuous progress of scientific technology has a great influence on the battery production and manufacturing industry, batteries for providing power for equipment play an increasingly important role, and the market demand is increased. The power battery cover plate comprises a top cover plate, poles and an explosion-proof valve, wherein during assembly, the explosion-proof valve is assembled and welded on the top cover plate, then the positive pole and the negative pole are assembled and welded on the top cover plate, and in order to increase the insulation stability of the power battery cover plate, a plastic rubber is generally further assembled. The plastic sheet is welded on the top cover sheet through ultrasonic waves, and the general operation flow is as follows: adopt the tool of counterpointing to carry out the preloading between top cap piece and the system board of moulding, the relative welded fastening is realized to ultrasonic bonding (utilize high-frequency vibration ripples to transmit two object surfaces that need the welded, under the pressurized circumstances, make two object surfaces rub each other and form fusing between the molecular layer) mode. At present, although automatic ultrasonic welding equipment for the top cover plate and the plastic rubber is available, the assembly precision is low, and the product percent of pass is low.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an ultrasonic welding and positioning device and a welding and positioning method for a power battery cover plate, which improve the assembly accuracy of a top cover plate and a plastic sheet, have good welding consistency, facilitate debugging, and reduce the cost of a jig.
According to an aspect of the invention, an ultrasonic welding positioning device for a power battery cover plate is used for assembling and welding a top cover plate and a plastic sheet of a battery cover plate to be welded, the ultrasonic welding positioning device comprises a welding module and a conveying module, the conveying module comprises a carrier for bearing the cover plate to be welded and enabling the cover plate to pass through the welding module, and the welding module comprises:
a support;
an ultrasonic welding head disposed on the support;
the positioning jig is arranged on the bracket in a vertically movable manner, is positioned below the ultrasonic welding head and is used for positioning the positioning part for accurately positioning the cover plate to be welded; and
a support plate horizontally movably disposed on the bracket;
the carrier is provided with a hollow part at least allowing the positioning part of the positioning jig to pass through;
the welding module is provided with a first working state and a second working state, and a space allowing the carrier to pass through is formed between the ultrasonic welding head and the positioning jig in the first working state, so that the cover plate to be welded on the carrier enters the position below the ultrasonic welding head; when the second working state is realized, the positioning part of the positioning jig is positioned above the carrier, so that the cover plate to be welded is positioned on the positioning jig, and the positioning jig is positioned on the supporting plate and supported by the supporting plate; in the process of switching from the first working state to the second working state, the positioning part penetrates through the hollow part and is jacked to the upper part of the carrier, so that the cover plate to be welded is jacked from the carrier and is transferred to the positioning part.
In a preferred embodiment, the positioning jig has a bearing surface for bearing the cover plate to be welded, the positioning portion includes a long-edge positioning piece for positioning a long edge of the cover plate to be welded and a short-edge positioning piece for positioning a short edge of the cover plate to be welded, the long-edge positioning pieces are arranged in pairs and are respectively arranged at two long edges of the bearing surface, and the short-edge positioning pieces are arranged in pairs and are respectively arranged at two short edges of the bearing surface.
In a more preferred embodiment, the positioning jig is disposed on the jig base, the long-side positioning element includes a top cover plate positioning element and a plastic sheet positioning element, the top cover plate positioning element is fixed on the jig base in pairs, and the plastic sheet positioning element is disposed on the jig base in pairs and can move horizontally so as to be relatively close to or away from the jig base.
Furthermore, the welding module also comprises a positioning cylinder for driving the plastic sheet positioning piece to horizontally move; the top cover piece setting element have can with the first locating surface of the long limit contact of top cover piece, the plastic piece setting element has right the top cover piece carries out the face of dodging and relative dodge the outstanding step locating surface of face, the step locating surface can with the long limit contact of plastic piece is simultaneously dodge the face with the long limit contact or the looks interval of top cover piece, two relative the plastic piece setting element the interval of step locating surface is less than two relative the interval of top cover piece setting element the interval of first locating surface.
In a preferred embodiment, when the shape of the hollow-out portion on the carrier is the largest as compared with the distance between the plastic sheet positioning elements, the projections of the bearing surface, the positioning portion and the positioning cylinder on the horizontal plane are the same.
In a preferred embodiment, the carrier further has a step bearing surface disposed around the hollow portion, the step bearing surface facing upward and lower than the upper surface of the carrier; the carrier is provided with cantilevers extending towards the middle of the hollow part, the step bearing surface is formed on the cantilevers, and a space allowing the positioning jig to pass through is formed between the cantilevers.
In a preferred embodiment, the supporting plate is lower than the carrier, and when the welding module is in the first working state, the supporting plate is separated from the position right below the carrier; when the welding module is in the second working state, the supporting plate is positioned under the carrier and is inserted into the lower part of the positioning jig.
In a preferred embodiment, the support has a base, a guide post extending along the z-axis and a guide rail extending along the y-axis are fixedly arranged on the base, the carrier is movably arranged along the x-axis, the positioning fixture is movably arranged on the guide post up and down, and the support plate is movably arranged on the guide rail along the horizontal direction; the welding module further comprises a jacking cylinder for driving the positioning jig to move up and down and a supporting cylinder for driving the supporting plate to move horizontally; the ultrasonic welding device comprises a support, and is characterized in that a lifting mechanism is arranged on the upper portion of the support, the ultrasonic welding head is arranged on the lifting mechanism, the lifting mechanism comprises a lifting cylinder used for driving the ultrasonic welding head to move up and down, and a cooling fan used for cooling the ultrasonic welding head is further arranged on the lifting mechanism.
In a preferred embodiment, the carriers are movably disposed along an x axis, the ultrasonic welding positioning device includes two welding modules disposed along the x axis, each carrier has two first hollow portions and two second hollow portions arranged side by side along the x axis, the two welding modules run synchronously, and when a first welding module faces a to-be-welded cover plate on the first hollow portion of one carrier, a second welding module faces a to-be-welded cover plate on the second hollow portion of another carrier.
According to another aspect of the invention, the ultrasonic welding positioning method for the power battery cover plate comprises the following steps:
s1, moving the carrier carrying the cover plate to be welded to a welding module, wherein the ultrasonic welding head is positioned above the cover plate to be welded, and the positioning jig is positioned below the cover plate to be welded;
s2, moving the positioning jig upwards, enabling the positioning part of the positioning jig to penetrate into the hollow part of the carrier until the cover plate to be welded is jacked up from the carrier, and enabling the cover plate to be welded to be located on the positioning jig, and enabling the positioning jig to accurately position the cover plate to be welded;
s3, moving the supporting plate to the position below the positioning jig to support the positioning jig;
s4, welding the cover plate to be welded by the ultrasonic welding head;
s5, after welding, the supporting plate is reset to be separated from the lower part of the positioning jig;
s6, the positioning jig moves downwards to the lower side of the carrier, the positioning part is separated from the hollow part of the carrier in the process, and the welded cover plate falls back to the carrier.
In a preferred embodiment, the carriers are movably disposed along an x axis, the ultrasonic welding positioning device includes two welding modules disposed along the x axis, each carrier has two first hollow portions and two second hollow portions arranged side by side along the x axis, the first hollow portion of each carrier bears a first cover plate to be welded, and the second hollow portion bears a second cover plate to be welded, and the ultrasonic welding positioning method is implemented as follows:
s101, moving a first carrier to a first welding module, wherein an ultrasonic welding head of the first welding module is positioned above a first cover plate to be welded on the first carrier, and a positioning jig is positioned below the first cover plate to be welded; meanwhile, the second carrier moves to a second welding module, wherein the ultrasonic welding head of the second welding module is positioned above a second cover plate to be welded on the second carrier, and the positioning jig is positioned below the second cover plate to be welded;
s102, moving up a positioning jig of the first welding module and enabling a positioning part of the positioning jig to penetrate into a first hollow part of a first carrier until a first cover plate to be welded is jacked up from the first carrier; the positioning jig of the second welding module moves upwards and the positioning part of the positioning jig penetrates into the second hollow part of the second carrier until the second cover plate to be welded is jacked up from the second carrier; at the moment, the two cover plates to be welded are respectively positioned on the two positioning jigs so as to accurately position the cover plates to be welded respectively;
s103, respectively moving the supporting plates of the two welding modules to the positions below the corresponding positioning jigs to support the positioning jigs;
s104, respectively welding the cover plates to be welded by ultrasonic welding joints of the two welding modules;
s105, after welding is finished, the supporting plates of the two welding modules are reset to be separated from the lower side of the corresponding positioning jig;
s106, the positioning jigs of the two welding modules move downwards to the lower parts of the corresponding carriers respectively, the positioning parts are separated from the corresponding hollow parts of the carriers in the process, a cover plate welded by the first welding module falls back to the first hollow part of the first carrier, and a cover plate welded by the second welding module falls back to the second hollow part of the second carrier;
and repeating the steps S101 to S107, so that the first carrier carries one welded cover plate and one to-be-welded cover plate to move to the second welding module to weld the to-be-welded cover plate on the second hollow part, the second carrier carries two welded cover plates to enter the next process, and the third carrier carries two to-be-welded cover plates to move to the first welding module to weld the to-be-welded cover plate on the first hollow part.
Compared with the prior art, the invention has the following advantages by adopting the scheme:
according to the ultrasonic welding positioning device and the welding positioning method for the power battery cover plate, in a first working state, the carrier is positioned between the ultrasonic welding head and the positioning jig; in the conversion process from the first working state to the second working state, the positioning part penetrates through the hollow part on the carrier and is higher than the plane where the carrier is located, and the cover plate to be welded is jacked up from the carrier; when the welding machine is in the second working state, the cover plate to be welded is positioned on the positioning jig, the positioning jig is used for accurately positioning the cover plate to be welded, the ultrasonic welding head is used for welding the cover plate to be welded, the assembling precision is improved, and the product yield is high; particularly, only a small number of positioning jigs (which can be one) are needed to be arranged to position outside the conveying line, and the cover plate to be welded is positioned by the positioning jigs, so that the welding consistency is good; through the positioning of the positioning jig, the carrier does not need to be provided with a complex positioning structure and does not need to be positioned and debugged, the debugging difficulty is reduced, the structure of the carrier is simplified, and the cost of the jig (especially the carrier) is also reduced.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an ultrasonic welding positioning device for a power battery cover plate according to an embodiment of the invention;
FIG. 2 is a perspective view of an ultrasonic welding module;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is a side view of FIG. 2;
FIG. 5 is a perspective view of the delivery module;
FIG. 6 is a schematic view of a partial structure of a welding module;
FIG. 7 is an enlarged view of a portion of FIG. 6 at A;
FIG. 8 is a front view of FIG. 6;
FIG. 9 is a side view of FIG. 6;
FIG. 10 is a schematic view of another partial structure of the welding module;
FIG. 11 is a front view of FIG. 10;
fig. 12 is a partial schematic structural view of a rotary conveying module according to an embodiment of the invention.
Wherein,
200. a cover plate to be welded; 201. a top cover sheet; 202. plastic sheets;
300. an ultrasonic welding positioning device; 301. a top cover sheet feeding belt; 302. a top cover sheet feeding module; 303. a plastic sheet feeding module; 304. a rotary conveying module; 305. a shaping module;
1. welding the module; 11. a support; 12. welding a head by ultrasonic welding; 13. positioning a jig; 131. a positioning part; 14. a support plate; 15. positioning the air cylinder; 16. jacking a cylinder; 17. a support cylinder; 3. a jig base; 4. a long edge positioning piece; 41. a top flap positioning member; 411. a first positioning surface; 42. a plastic sheet positioning member; 421. an avoidance surface; 422. a step positioning surface; 5. a short edge positioning piece; 6. a base; 61. a guide post; 62. a guide rail; 7. a lifting mechanism; 71. a lifting cylinder; 72. a heat dissipation fan.
2. A conveying module; 21. a carrier; 211. a step bearing surface; 212. a cantilever; 213. a first hollow-out section; 214. a second hollowed-out portion; 215. a fixed part; 23. a sliding table; 24. a gear; 25. a rack; 26. a slide rail.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the invention may be more readily understood by those skilled in the art. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
The ultrasonic welding positioning device 300 for a power battery cover plate provided in this embodiment is used for assembling and welding the top cover sheet 201 and the plastic sheet 202 of the battery cover plate 200 to be welded. The ultrasonic welding positioning device 300 comprises a welding module 1 and a conveying module 2, wherein the conveying module 2 comprises a carrier 21 for carrying the cover plate 200 to be welded and enabling the cover plate to pass through the welding module 1.
Referring to fig. 1 to 11, the welding module 1 includes a bracket 11; an ultrasonic weld head 12; a positioning jig 13; and a support plate 14.
Further, an ultrasonic bonding head 12 is provided on the holder 11; a positioning jig 13 which is arranged on the bracket 11 in a manner of moving up and down, wherein the positioning jig 13 is positioned below the ultrasonic welding head 12, and the positioning jig 13 is provided with a positioning part 131 for accurately positioning the cover plate 200 to be welded; a support plate 14 horizontally movably provided on the bracket 11; the carrier 21 has a hollow portion for allowing the positioning portion 131 of the positioning fixture 13 to pass through.
Further, referring to fig. 6, the positioning fixture 13 has a bearing surface for bearing the to-be-welded cover plate 200, the positioning portion 131 includes a long-side positioning element 4 for positioning a long side of the to-be-welded cover plate 200 and a short-side positioning element 5 for positioning a short side of the to-be-welded cover plate 200, the long-side positioning elements 4 are disposed in pairs and disposed at two long sides of the bearing surface respectively, and the short-side positioning elements 5 are disposed in pairs and disposed at two short sides of the bearing surface respectively. The positioning jig 13 is arranged on the jig base 3, the long-edge positioning part 4 comprises a top cover plate positioning part 41 and a plastic piece positioning part 42, the top cover plate positioning part 41 is fixedly arranged on the jig base 3 in pairs, and the plastic piece positioning part 42 is arranged on the jig base 3 in pairs and can move horizontally so as to be relatively close to or far away from the jig base 3. The welding module 1 further comprises a positioning cylinder 15 for driving the plastic sheet positioning piece 42 to move horizontally, i.e. the plastic sheet positioning piece 42 can relatively approach and move away under the driving of the positioning cylinder 15. Specifically, after the positioning is completed, the plastic sheet positioning members 42 are relatively close to each other.
More specifically, as shown in fig. 6 and 7, the top cover sheet positioning member 41 has a first positioning surface 411 that can contact the long side of the top cover sheet 100, the plastic sheet positioning member 42 has an escape surface 421 that escapes the top cover sheet 100 and a step positioning surface 422 that protrudes from the escape surface 421, and the step positioning surface 422 can contact the long side of the plastic sheet 202 while the escape surface 421 contacts or is spaced from the long side of the top cover sheet 100. Since the width of the top cover sheet 201 (the distance between the two long sides of the top cover sheet 201) is greater than the width of the plastic sheet 202 (the distance between the two long sides of the plastic sheet 202), the distance between the step positioning surfaces 422 of the two opposing plastic sheet positioning members 42 is smaller than the distance between the first positioning surfaces 411 of the two opposing top cover sheet positioning members 41. When the shape of the hollow portion on the carrier 21 is the largest as the distance between the plastic sheet positioning elements 42, the projections of the bearing surface, the positioning portion 131 and the positioning cylinder 15 on the horizontal plane are the same.
The welding module 1 has a first working state and a second working state, and in the first working state, a space allowing the carrier 21 to pass through is formed between the ultrasonic welding head 12 and the positioning jig 13, so that the cover plate 200 to be welded on the carrier 21 enters below the ultrasonic welding head 12; referring to fig. 11, in the second working state, the positioning portion 131 of the positioning fixture 13 is located above the carrier 21, so that the to-be-welded cover plate 200 is located on the positioning fixture 13, and specifically, the to-be-welded cover plate 200 is accurately positioned by the long-side positioning element 4 and the short-side positioning element 5. The positioning jig 13 is positioned on the support plate 14 and supported by the support plate 14; in the process of switching from the first working state to the second working state, the positioning portion 131 penetrates through the hollow portion and is lifted to the upper side of the carrier 21, so as to lift the to-be-welded cover plate 200 from the carrier 21 and transfer the to-be-welded cover plate onto the positioning portion 131.
Referring to fig. 6, the carrier 21 further has a step bearing surface 211 surrounding the hollow portion, and the step bearing surface 211 faces upward and is lower than the upper surface of the carrier 21. The carrier 21 has cantilevers 212 extending toward the middle of the hollow portion, the step bearing surface 211 is formed on the cantilevers 212, and a space allowing the positioning fixture 13 to pass through is formed between the cantilevers 212.
The supporting plate 14 is lower than the carrier 21, and when the welding module 1 is in the first working state, the supporting plate 14 is separated from the position right below the carrier 21; when the welding module 1 is in the second working state, the supporting plate 14 is located under the carrier 21 and is inserted into the lower portion of the positioning fixture 13, and the supporting plate 14 supports the positioning fixture 13, so that the overall structure is more stable.
Referring to fig. 10, the holder 11 includes a base 6, and a guide post 61 extending in the z-axis direction and a guide rail 62 extending in the y-axis direction are fixed to the base 6. The carrier 21 is movably provided along the x axis, the positioning jig 13 is vertically movably provided on the guide post 61, and the support plate 14 is horizontally movably provided on the guide rail 62. As shown in fig. 11, the welding module 1 further includes a jacking cylinder 16 and a supporting cylinder 17, the jacking cylinder 16 is used for driving the positioning fixture 13 to move up and down, and the supporting cylinder 17 is used for driving the supporting plate 14 to move horizontally.
Referring to fig. 2 to 4, the lifting mechanism 7 is provided at an upper portion of the holder 11, the ultrasonic bonding head 12 is provided at the lifting mechanism 7, and the lifting mechanism 7 includes a lifting cylinder 71 and a heat dissipation fan 72, wherein the lifting cylinder 72 drives the ultrasonic bonding head 12 to move up and down, and the heat dissipation fan 72 provided at the lifting mechanism 7 contributes to heat dissipation since the ultrasonic bonding head 12 easily generates heat.
The carriers 21 can be movably arranged along the x axis, the ultrasonic welding positioning device comprises two welding modules 1 arranged along the x axis, each carrier 21 is provided with two first hollow parts 213 and two second hollow parts 214 which are arranged side by side along the x axis, the two welding modules 1 run synchronously, and when the first welding module is right opposite to the cover plate 200 to be welded on the first hollow part 213 of one carrier 21, the second welding module is right opposite to the cover plate 200 to be welded on the second hollow part 213 of the other carrier 21. This ultrasonic bonding positioner can weld two battery apron simultaneously promptly, and work efficiency is higher.
Referring to fig. 1, the ultrasonic welding positioning device 300 for a power battery cover plate of the invention comprises a top cover plate feeding belt 301, a top cover plate feeding module 302 for placing a top cover plate 201 on a carrier, a plastic plate feeding module 302 for placing a plastic plate 202 on the top cover plate on the carrier 21, a shaping module 305, and a rotary conveying module 304 for carrying the carrier 21 to sequentially and circularly pass through the top cover plate feeding module 302, the plastic plate feeding station and a welding station, wherein the ultrasonic welding positioning device 300 further comprises the welding module 1, and the welding module 1 is further arranged beside the rotary conveying module 304 by the ultrasonic welding positioning device 100. Further, as shown in fig. 12, the rotary conveying module 304 has a slide table 23 and a slide rail 26, the carrier 21 has a fixing portion 215, and the fixing portion 215 and the slide table 23 are fixedly connected by bolts. The sliding table 23 is movably arranged on a sliding rail 26 along the x axis, a rack 25 extending along the x axis and a gear 24 are arranged on the sliding table 23, the rack 25 and the gear 24 are meshed with each other, and the gear 24 is driven by a conveying motor to rotate, so that the sliding table 23 moves along the x axis under the action of the gear 24 and the rack 25.
The embodiment also provides an ultrasonic welding positioning method of the power battery cover plate, which comprises the following steps:
s1, moving the carrier 21 carrying the cover plate 200 to be welded to the welding module 1, wherein the ultrasonic welding head 12 is located above the cover plate 200 to be welded, and the positioning jig 13 is located below the cover plate 200 to be welded;
s2, moving the positioning jig 13 upwards, and penetrating the positioning part 131 into the hollow part of the carrier 21 until the to-be-welded cover plate 200 is jacked up from the carrier 21, at the moment, the to-be-welded cover plate 200 is positioned on the positioning jig 13, and the positioning jig 13 accurately positions the to-be-welded cover plate 200;
s3, the supporting plate 14 moves to the position below the positioning jig 13 to support the positioning jig 13;
s4, welding the cover plate 200 to be welded by the ultrasonic welding head;
s5, after welding, the supporting plate 14 is reset to be separated from the lower part of the positioning jig 13;
s6, the positioning fixture 13 moves downward to the lower side of the carrier 21, in the process, the positioning portion 131 is separated from the hollow portion of the carrier 21, and the welded cover plate falls back onto the carrier 21.
The ultrasonic welding positioning method is implemented as follows:
s101, moving a first carrier 21 to a first welding module 1, wherein an ultrasonic welding head 12 of the first welding module is positioned above a first cover plate 200 to be welded on the first carrier 21, and a positioning jig 13 is positioned below the first cover plate 200 to be welded; meanwhile, the second carrier 21 moves to a second welding module, wherein the ultrasonic welding head 12 of the second welding module is located above a second cover plate 200 to be welded on the second carrier 21, and the positioning jig 13 is located below the second cover plate 200 to be welded;
s102, moving the positioning jig 13 of the first welding module 1 upwards, and enabling the positioning part 131 to penetrate into the first hollow part 213 of the first carrier 21 until the first cover plate 200 to be welded is jacked up from the first carrier 21; the positioning fixture 13 of the second welding module 1 moves upward and the positioning part 131 penetrates into the second hollow part 213 of the second carrier until the second cover plate 200 to be welded is jacked up from the second carrier 21; at the moment, the two cover plates 200 to be welded are respectively positioned on the two positioning jigs 13 so as to accurately position the cover plates 200 to be welded respectively;
s103, respectively moving the supporting plates 14 of the two welding modules 1 to the positions below the corresponding positioning jigs 13 to support the positioning jigs 13;
s104, respectively welding the cover plate 200 to be welded by the ultrasonic welding joints 12 of the two welding modules 1;
s105, after welding is finished, the supporting plates 14 of the two welding modules 1 are reset and separated from the lower side of the corresponding positioning jig 13;
s106, the positioning jigs 13 of the two welding modules 1 move downwards to the lower parts of the corresponding carriers 21 respectively, the positioning parts 131 are separated from the corresponding hollow parts of the carriers 21 in the process, the cover plate welded by the first welding module 1 falls back to the first hollow part of the first carrier, and the cover plate welded by the second welding module 1 falls back to the second hollow part of the second carrier;
repeating the steps S101 to S107, so that the first carrier 21 carries one welded cover plate and one to-be-welded cover plate to move to the second welding module 1 to weld the to-be-welded cover plate 200 on the second hollow portion 213, the second carrier 21 carries two welded cover plates to enter the next process, and the third carrier 21 carries two to-be-welded cover plates 200 to move to the first welding module 1 to weld the to-be-welded cover plates 200 on the first hollow portion 213. The welding that this embodiment can realize two battery apron simultaneously promptly, and work efficiency is higher.
As used in this specification and the appended claims, the terms "comprises" and "comprising" are intended to only encompass the explicitly identified steps and elements, which do not constitute an exclusive list, and that a method or apparatus may include other steps or elements. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. In addition, the descriptions of the upper, lower, left, right, etc. used in the present invention are only relative to the mutual positional relationship of the components of the present invention in the drawings, and reference is made to fig. 1.
It is further understood that the use of "a plurality" in this disclosure means two or more, as other terms are analogous. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone.
It will be further understood that the terms "first," "second," and the like are used to describe various information and that such information should not be limited by these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the terms "first," "second," and the like are fully interchangeable. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and are preferred embodiments, which are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes or modifications made according to the principles of the present invention should be covered within the protection scope of the present invention.
Claims (11)
1. The utility model provides an ultrasonic bonding positioner of power battery apron for to treat the top cap piece and the plastic piece equipment and the welding of welding apron, ultrasonic bonding positioner is including welding the module and carrying the module, carry the module including being used for bearing treat the welding apron and make it pass through the carrier of welding the module, its characterized in that, the welding module includes:
a support;
an ultrasonic welding head disposed on the support;
the positioning jig is arranged on the bracket in a vertically movable manner, is positioned below the ultrasonic welding head and is provided with a positioning part used for accurately positioning the cover plate to be welded; and
a support plate horizontally movably disposed on the bracket;
the carrier is provided with a hollow part at least allowing the positioning part of the positioning jig to pass through;
the welding module is provided with a first working state and a second working state, and when the welding module is in the first working state, a space allowing the carrier to pass through is formed between the ultrasonic welding head and the positioning jig, so that the cover plate to be welded on the carrier enters the position below the ultrasonic welding head; when the second working state is realized, the positioning part of the positioning jig is positioned above the carrier, so that the cover plate to be welded is positioned on the positioning jig, and the positioning jig is positioned on the supporting plate and supported by the supporting plate; in the process of switching from the first working state to the second working state, the positioning part penetrates through the hollow part and is jacked to the upper part of the carrier, so that the cover plate to be welded is jacked from the carrier and is transferred to the positioning part.
2. The ultrasonic welding positioning device of claim 1, wherein the positioning fixture has a bearing surface for bearing the cover plates to be welded, the positioning part comprises a long-edge positioning piece and a short-edge positioning piece, the long-edge positioning piece is used for positioning the long edge of the cover plates to be welded, the short-edge positioning piece is used for positioning the short edge of the cover plates to be welded, the long-edge positioning piece is arranged in pairs and is respectively arranged at two long edges of the bearing surface, and the short-edge positioning piece is arranged in pairs and is respectively arranged at two short edges of the bearing surface.
3. The ultrasonic welding positioning device according to claim 2, wherein the positioning fixture is disposed on a fixture seat, the long side positioning member includes a top cover plate positioning member and a plastic piece positioning member, the top cover plate positioning member is fixedly disposed on the fixture seat in pairs, and the plastic piece positioning member is disposed on the fixture seat in pairs and horizontally movably so as to be relatively close to or far away from the fixture seat.
4. The ultrasonic welding positioning device of claim 3, wherein the welding module further comprises a positioning cylinder for driving the plastic sheet positioning member to move horizontally; top cap piece setting element have can with the first locating surface of the long limit contact of top cap piece, the plastic piece setting element has right the top cap piece dodges the face and relative dodge the outstanding step locating surface of face, the step locating surface can with the long limit contact of plastic piece is simultaneously dodge the face with the long limit contact or looks interval of top cap piece, two are relative the plastic piece setting element the interval of step locating surface is less than two relatively the interval of top cap piece setting element the interval of first locating surface.
5. The ultrasonic welding positioning device of claim 4, wherein the shape of the hollow-out portion on the carrier is consistent with the projection of the bearing surface, the positioning portion and the positioning cylinder on the horizontal plane when the distance between the plastic sheet positioning members is the largest.
6. The ultrasonic welding positioning device of claim 1, wherein the carrier further has a step bearing surface disposed around the hollowed-out portion, the step bearing surface facing upward and below an upper surface of the carrier; the carrier is provided with cantilevers extending towards the middle of the hollow part, the step bearing surface is formed on the cantilevers, and a space allowing the positioning jig to pass through is formed between the cantilevers.
7. The ultrasonic welding positioning device of claim 1, wherein the support plate is lower than the carrier, and the support plate is separated from a position right below the carrier when the welding module is in the first working state; when the welding module is in the second working state, the supporting plate is positioned under the carrier and is inserted into the lower part of the positioning jig.
8. The ultrasonic welding positioning device according to claim 1, wherein the holder has a base, a guide post extending in a z-axis direction and a guide rail extending in a y-axis direction are fixedly provided on the base, the carrier is movably provided in an x-axis direction, the positioning jig is movably provided in the guide post in an up-and-down direction, and the support plate is movably provided in the guide rail in a horizontal direction; the welding module further comprises a jacking cylinder for driving the positioning jig to move up and down and a supporting cylinder for driving the supporting plate to move horizontally; the ultrasonic welding device comprises a support, and is characterized in that a lifting mechanism is arranged on the upper portion of the support, the ultrasonic welding head is arranged on the lifting mechanism, the lifting mechanism comprises a lifting cylinder used for driving the ultrasonic welding head to move up and down, and a cooling fan used for cooling the ultrasonic welding head is further arranged on the lifting mechanism.
9. The ultrasonic welding positioning device of claim 1, wherein the carriers are movably disposed along an x-axis, the ultrasonic welding positioning device comprises two welding modules disposed along the x-axis, each carrier has two first and second hollow portions arranged side by side along the x-axis, the two welding modules run synchronously, and when a first welding module faces a to-be-welded cover plate on the first hollow portion of one carrier, a second welding module faces a to-be-welded cover plate on the second hollow portion of another carrier.
10. An ultrasonic welding positioning method for a power battery cover plate, which is characterized by adopting the ultrasonic welding positioning device as claimed in any one of claims 1 to 9, and comprises the following steps:
s1, the carrier carries the cover plate to be welded to move to a welding module, wherein the ultrasonic welding head is positioned above the cover plate to be welded, and the positioning jig is positioned below the cover plate to be welded;
s2, moving the positioning jig upwards, and enabling the positioning part of the positioning jig to penetrate into the hollow part of the carrier until the cover plate to be welded is jacked up from the carrier, wherein the cover plate to be welded is positioned on the positioning jig, and the positioning jig is used for accurately positioning the cover plate to be welded;
s3, moving the supporting plate to the position below the positioning jig to support the positioning jig;
s4, welding the cover plate to be welded by the ultrasonic welding head;
s5, after welding, the supporting plate is reset to be separated from the lower part of the positioning jig;
s6, the positioning jig moves downwards to the lower side of the carrier, the positioning part is separated from the hollow part of the carrier in the process, and the welded cover plate falls back to the carrier.
11. The ultrasonic welding positioning method of claim 10, wherein the carrier is movably disposed along an x-axis, the ultrasonic welding positioning device includes two welding modules disposed along the x-axis, each carrier has two first hollow portions and two second hollow portions arranged side by side along the x-axis, the first hollow portion of each carrier carries a first cover plate to be welded and the second hollow portion carries a second cover plate to be welded, and the ultrasonic welding method is implemented as follows:
s101, moving a first carrier to a first welding module, wherein an ultrasonic welding head of the first welding module is positioned above a first cover plate to be welded on the first carrier, and a positioning jig is positioned below the first cover plate to be welded; meanwhile, the second carrier moves to a second welding module, wherein the ultrasonic welding head of the second welding module is positioned above a second cover plate to be welded on the second carrier, and the positioning jig is positioned below the second cover plate to be welded;
s102, moving up a positioning jig of the first welding module and enabling a positioning part of the positioning jig to penetrate into a first hollow part of a first carrier until a first cover plate to be welded is jacked up from the first carrier; the positioning jig of the second welding module moves upwards and the positioning part of the positioning jig penetrates into the second hollow part of the second carrier until the second cover plate to be welded is jacked up from the second carrier; at the moment, the two cover plates to be welded are respectively positioned on the two positioning jigs so as to accurately position the cover plates to be welded respectively;
s103, respectively moving the supporting plates of the two welding modules to the positions below the corresponding positioning jigs to support the positioning jigs;
s104, respectively welding the cover plates to be welded by ultrasonic welding joints of the two welding modules;
s105, after welding is finished, the supporting plates of the two welding modules are reset to be separated from the lower side of the corresponding positioning jig;
s106, the positioning jigs of the two welding modules move downwards to the lower parts of the corresponding carriers respectively, the positioning parts are separated from the corresponding hollow parts of the carriers in the process, a cover plate welded by the first welding module falls back to the first hollow part of the first carrier, and a cover plate welded by the second welding module falls back to the second hollow part of the second carrier;
and repeating the steps S101 to S107, so that the first carrier carries one welded cover plate and one to-be-welded cover plate to move to the second welding module to weld the to-be-welded cover plate on the second hollow part, the second carrier carries two welded cover plates to enter the next process, and the third carrier carries two to-be-welded cover plates to move to the first welding module to weld the to-be-welded cover plate on the first hollow part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210870385.1A CN115041805B (en) | 2022-07-22 | 2022-07-22 | Ultrasonic welding positioning device and welding positioning method for power battery cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210870385.1A CN115041805B (en) | 2022-07-22 | 2022-07-22 | Ultrasonic welding positioning device and welding positioning method for power battery cover plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115041805A true CN115041805A (en) | 2022-09-13 |
| CN115041805B CN115041805B (en) | 2024-10-18 |
Family
ID=83168083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210870385.1A Active CN115041805B (en) | 2022-07-22 | 2022-07-22 | Ultrasonic welding positioning device and welding positioning method for power battery cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115041805B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117086463A (en) * | 2023-10-16 | 2023-11-21 | 苏州图锐智能科技有限公司 | Terminal ultrasonic welding equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018192249A1 (en) * | 2017-04-19 | 2018-10-25 | 朱剑 | Ultrasonic welder for automatically welding safety end cap, tab and punched plate of power battery |
| CN210211393U (en) * | 2019-05-23 | 2020-03-31 | 广东锐军智能设备有限公司 | Circulating ultrasonic welding equipment |
| CN215095708U (en) * | 2021-04-23 | 2021-12-10 | 广州市新栋力超声电子设备有限公司 | Novel ultrasonic plastic welding machine |
| CN114211757A (en) * | 2021-12-14 | 2022-03-22 | 苏州明益信智能设备有限公司 | Automatic ultrasonic welding equipment for power battery cover plate |
| CN114227040A (en) * | 2021-12-14 | 2022-03-25 | 苏州明益信智能设备有限公司 | Pole assembling and welding equipment for power battery cover plate |
| CN114453786A (en) * | 2022-01-13 | 2022-05-10 | 汕头大学 | Circular metal bung equipment welding equipment |
-
2022
- 2022-07-22 CN CN202210870385.1A patent/CN115041805B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018192249A1 (en) * | 2017-04-19 | 2018-10-25 | 朱剑 | Ultrasonic welder for automatically welding safety end cap, tab and punched plate of power battery |
| CN210211393U (en) * | 2019-05-23 | 2020-03-31 | 广东锐军智能设备有限公司 | Circulating ultrasonic welding equipment |
| CN215095708U (en) * | 2021-04-23 | 2021-12-10 | 广州市新栋力超声电子设备有限公司 | Novel ultrasonic plastic welding machine |
| CN114211757A (en) * | 2021-12-14 | 2022-03-22 | 苏州明益信智能设备有限公司 | Automatic ultrasonic welding equipment for power battery cover plate |
| CN114227040A (en) * | 2021-12-14 | 2022-03-25 | 苏州明益信智能设备有限公司 | Pole assembling and welding equipment for power battery cover plate |
| CN114453786A (en) * | 2022-01-13 | 2022-05-10 | 汕头大学 | Circular metal bung equipment welding equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117086463A (en) * | 2023-10-16 | 2023-11-21 | 苏州图锐智能科技有限公司 | Terminal ultrasonic welding equipment |
| CN117086463B (en) * | 2023-10-16 | 2024-01-30 | 苏州图锐智能科技有限公司 | Terminal ultrasonic welding equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115041805B (en) | 2024-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108346826B (en) | Lithium battery packaging equipment | |
| CN109719385B (en) | Circulating transfer equipment for ultrasonic welding of battery cores | |
| CN115041805A (en) | Ultrasonic welding positioning device and welding positioning method for power battery cover plate | |
| CN215478184U (en) | Novel single-shaft robot feeding and positioning device | |
| KR20200123708A (en) | Jig device for frame welder | |
| CN109822275B (en) | Welding machine | |
| CN108747096B (en) | Automatic double-sided electric welding equipment for battery cell of power lithium battery PACK (Picture archiving and packaging) | |
| CN219238562U (en) | Pitch-changing mechanism | |
| CN110323306B (en) | Solar cell string welding bus bar pulling device | |
| CN214024151U (en) | Automatic positioning welding mechanism for positioning net | |
| CN215357086U (en) | Automatic equipment for assembling lithium ion battery cap | |
| CN209902539U (en) | Welding plummer and welding machine | |
| CN211305275U (en) | Motor armature and BUSBAR butt joint device and welding machine | |
| CN110270751B (en) | Welding device and welding method | |
| CN210209174U (en) | Welding tool and welding machine | |
| CN111169974B (en) | Carrier circulating device for manufacturing lithium battery | |
| CN216126814U (en) | Automatic welding chamfer all-in-one of coil | |
| CN109128549B (en) | Welding production line and welding production process of injection molding machine | |
| CN220672636U (en) | Blade battery stacking machine | |
| CN207642487U (en) | Honeycomb welding equipment | |
| CN217452558U (en) | Bilateral welding equipment | |
| CN219425994U (en) | Battery cell tab welding equipment with double welding stations | |
| CN218677180U (en) | Automatic processing and welding equipment for bus bar | |
| CN219703794U (en) | Lug welding device | |
| CN219818260U (en) | Waste material rupture device and processing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 226000 East of Jindu Road and South of Chaoxia Road in Nantong High tech Industrial Development Zone, Jiangsu Province Applicant after: Mingyixin (Jiangsu) Intelligent Equipment Co.,Ltd. Address before: 215300 No. 1875, Zhonghua Yuan West Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: Suzhou mingyixin Intelligent Equipment Co.,Ltd. Country or region before: China |
|
| CB02 | Change of applicant information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liang Yu Inventor after: Liu Yipei Inventor after: Xia Chaoyang Inventor after: Cui Shuaishan Inventor after: Luo Xiaobing Inventor after: Liu Xiangfeng Inventor after: Fang Liuming Inventor after: Wang Tianbao Inventor before: Liang Yu Inventor before: Liu Yipei Inventor before: Xia Chaoyang Inventor before: Cui Shuaishan Inventor before: Luo Xiaobing Inventor before: Liu Xiangfeng Inventor before: Fang Liuming Inventor before: Wang Tianbao |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant |