CN108406171A - Welding equipment and the equipment that battery core is packaged into battery pack - Google Patents
Welding equipment and the equipment that battery core is packaged into battery pack Download PDFInfo
- Publication number
- CN108406171A CN108406171A CN201810085358.7A CN201810085358A CN108406171A CN 108406171 A CN108406171 A CN 108406171A CN 201810085358 A CN201810085358 A CN 201810085358A CN 108406171 A CN108406171 A CN 108406171A
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- Prior art keywords
- welding
- assembly
- main shaft
- fixed part
- fixing portion
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- 238000003466 welding Methods 0.000 title claims abstract description 139
- 230000006698 induction Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000004806 packaging method and process Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000012212 insulator Substances 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 abstract description 5
- 230000001939 inductive effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 238000005476 soldering Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The equipment that battery pack is packaged into present invention is disclosed a kind of welding equipment and by battery core, the welder includes the first fixed part and the second fixed part of upper and lower orientation installation, and at least one set of welding structure, include the plumb joint mounting assembly for erecting and welding head, flexible adjustment component and inductive component per group welding structure, inductive component is located at the top of the first fixed part, and flexible adjustment component is between the first fixed part and the second fixed part；The main shaft of plumb joint mounting assembly passes through the second fixed part, the adjustment axis of flexible adjustment component and the first fixed part, the spring pocket of flexible adjustment component to be provided on the main shaft between adjustment axis lower end and the second fixed part.It crosses and welds by the way that spring is arranged, caused by avoiding plumb joint from excessively compressing welding machine position；Inductive component is set, and whether induction welding connector, which contacts to control plumb joint and be to continue with to welding position with welding position, is advanced, and the damage because excessively leading to butt joint to welding position movement plumb joint is avoided.
Description
Technical Field
The invention belongs to the field of lithium battery pack production, and particularly relates to welding equipment and equipment for packaging a battery cell into a battery pack.
Background
In the generation process of packaging the battery core into the battery pack, a process of welding current-carrying sheets on two sides of the arranged battery core exists.
At present, adopt manual welding's mode welding current-carrying piece usually, this kind of welding mode efficiency is very low, and receives welding personnel's artificial operation experience, may form empty solder joint or rosin joint, leads to welding effect not good between electric core and the current-carrying piece.
Disclosure of Invention
In order to solve the problem that in the related art, a current-carrying sheet is easily subjected to empty soldering or cold soldering due to manual welding, the invention provides welding equipment and equipment for packaging a battery core into a battery pack. The specific technical scheme is as follows:
in a first aspect, a welding device is provided, the welding device comprises a first fixing part and a second fixing part which are installed in an upper and lower direction, and at least one group of welding structures, each group of welding structures comprises a welding head installation component, an elastic adjustment component and an induction component, wherein the welding head installation component is used for installing a welding head, and the elastic adjustment component comprises:
the sensing assembly is positioned above the first fixing part, and the elastic adjusting assembly is positioned between the first fixing part and the second fixing part; the main shaft of the welding head mounting assembly in each group of welding structures sequentially penetrates through the second fixing part, the adjusting shaft of the elastic adjusting assembly and the first fixing part, and the spring of the elastic adjusting assembly is sleeved on the main shaft between the lower end of the adjusting shaft and the second fixing part.
Through the arrangement of the spring, when the welding head is contacted with the welding position of the battery, the welding head can be stopped to advance to the welding position in time, and the over-welding caused by the fact that the welding head excessively compresses the welding position can also be avoided; through setting up response subassembly, thereby can respond to whether the soldered connection has contacted with the welding position and control the soldered connection and continue to advance to the welding position, and then avoided leading to the damage of butt weld joint because of too moving the soldered connection to the welding position.
Optionally, the welding device further includes a third fixing portion disposed above the first fixing portion, each set of welding structures further includes a stopper piece matched with the induction component, and the stopper piece is fixedly mounted on a lower end face of the third fixing portion;
the induction component is fixedly arranged on a main shaft of the welding head mounting component and comprises an emitting piece and a receiving piece which are arranged oppositely, and the blocking piece is positioned on a path formed by an area between the emitting piece and the receiving piece when the induction component moves.
The blocking piece is arranged on a path formed when the area between the emitting piece and the receiving piece moves, so that when the sensing assembly on the main shaft moves to the blocking piece position, a sensing signal can be generated, and the movement of the butt joint can be controlled in time.
Optionally, a side surface portion of the enclosure for enclosing the sensing assembly and the elastic adjusting assembly is further arranged between the third fixing portion and the second fixing portion, the third fixing portion is an upper fixing plate of the enclosure, and the second fixing portion is a lower fixing plate of the enclosure.
The adjusting assembly is arranged in the closed cover, so that misoperation of the adjusting nut caused by manual touch can be avoided; in addition, the induction assembly is arranged inside the closed cover, so that the influence of external environment light on the induction assembly can be reduced, and the induction sensitivity and accuracy are improved.
Optionally, the elastic adjusting assembly further comprises an adjusting nut sleeved on the adjusting shaft.
Optionally, the elastic adjusting assembly further comprises a graduated scale, the indication mark on the adjusting nut points to the graduated scale, and after the adjusting nut rotates, the indication mark points to different scales of the graduated scale.
Through setting up a scale for every adjusting nut for the regulation to every spring all possesses the referential, and the adjustment personnel of being convenient for are to the elastic debugging of spring, and can make the debugging of a plurality of springs more accurate more balanced.
Optionally, the welding head mounting assembly further comprises a chuck for mounting the welding head, and the chuck is mounted at the lower end of the spindle through an insulating block.
The chuck is arranged at the lower end of the main shaft through the insulating block, so that the current generated by a welding head during welding can be prevented from returning to an upper part, and the operation safety of the upper part is ensured; in addition, the insulating block can also be made of high-temperature-resistant materials, so that the situation that the installation position of the welding head is changed due to high temperature generated by long-time welding of the welding head is avoided, and the welding precision is further ensured.
Optionally, each welding structure further comprises a welding head mounted on the chuck, and the number of the welding structures is any one of one to nine.
Optionally, the bond head mounting assembly further comprises a retaining clip that secures the spindle to the insulator block.
Through setting up the retaining clip, can further fix the main shaft, forbid the main shaft rotation, and then avoid the soldered connection of main shaft lower extreme to take place the rotation when bumping the welding position, guaranteed the safety in utilization of soldered connection.
Optionally, the spindle of the welding head mounting assembly is provided with a strip-shaped groove in the direction parallel to the axial direction on the outer surface, a spindle sleeve for the spindle to pass through is mounted in the second fixing portion, and a ball is accommodated in a space formed between the strip-shaped groove and the spindle sleeve.
Through set up rectangular shape recess on the main shaft to accommodate the ball in the space that forms between rectangular shape recess and axle sleeve, make the main shaft avoid the main shaft rotation when can reciprocate in the axle sleeve, and then avoid the soldered connection of main shaft lower extreme to take place the rotation when bumping the welding part, guaranteed soldered connection's safety in utilization.
Optionally, the outer surface of the spindle of the welding head mounting assembly is in a non-cylindrical shape that prohibits the spindle from rotating. For example, the main shaft of the welding head mounting assembly is a triangular prism, a rectangular prism, a pentagonal prism, or the like. For example, a protrusion is formed on the outer surface of the spindle of the welding head mounting assembly, and the protrusion can be embedded into a groove formed in the upper and lower directions on the inner side surface of the shaft sleeve, so that the spindle can move up and down and can be prevented from rotating.
In a second aspect, an apparatus for packaging battery cells into a battery pack is provided, and the apparatus includes a welding device as provided in the first aspect and various possible implementations of the first aspect.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic structural view of a welding apparatus provided in one embodiment of the present invention;
FIG. 2 is a schematic illustration of a distribution of a plurality of weld points provided in one embodiment of the present invention;
FIG. 3 is a schematic view of a welding apparatus provided in another embodiment of the present invention;
FIG. 4 is a schematic view of a spindle of the weld head mounting assembly provided in one embodiment of the present invention.
Wherein the reference numbers are as follows:
11. a first fixed part; 12. a second fixed part; 13. a third fixed part; 20. a weld head mounting assembly; 21. a main shaft; 21a, a strip-shaped groove; 22. a chuck; 23. an insulating block; 24. a retaining clip; 25. a shaft sleeve; 26. welding a head; 30. an elastic adjustment assembly; 31. an adjustment shaft; 32. adjusting the nut; 33. a spring; 40. an inductive component.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
In a production line for packaging a battery cell into a battery pack, there is usually a process for welding current-carrying sheets on two side surfaces of the arranged battery cell, and in the process, the equipment needs to provide a welding head for welding the current-carrying sheets with a positive electrode or a negative electrode of the battery cell. In order to avoid the generation of cold joint and ensure the welding quality, the invention provides equipment for packaging a battery cell into a battery pack, which comprises a welding device for welding a bus bar with a positive electrode or a negative electrode of the battery cell. The welding apparatus provided by the present invention will be described below with reference to fig. 1 to 4.
Fig. 1 is a schematic structural view of a welding apparatus provided in an embodiment of the present invention, which includes a first fixing portion 11 and a second fixing portion 12 installed in an up-down orientation, and at least one set of welding structures.
Each set of welding structures includes a bond head mounting assembly 20 for mounting a bond head 26, a spring adjustment assembly 30, and a sensing assembly 40, wherein: the sensing component 40 is located above the first fixing portion 11, and the elastic adjusting component 30 is located between the first fixing portion 11 and the second fixing portion 12. By providing the sensing assembly 40, it is possible to sense whether the welding head 26 has contacted the welding site, thereby controlling the welding head 26 to move forward to the welding site, and further avoiding damage to the welding head 26 caused by moving the welding head 26 too far to the welding site.
The main shaft 21 of the welding head mounting assembly 20 in each set of welding structure sequentially passes through the second fixing part 12, the adjusting shaft 31 of the elastic adjusting assembly 30 and the first fixing part 11, and the spring 33 of the elastic adjusting assembly 30 is sleeved on the main shaft 21 between the lower end of the adjusting nut 32 of the elastic adjusting assembly 30 and the second fixing part 12. By providing the spring 33, when the welding head 26 is in contact with the battery welding portion, the advance of the welding head 26 to the welding portion can be stopped in time, and the over-welding caused by the welding head 26 pressing the welding portion excessively can be avoided.
Alternatively, the adjusting nut 32 is mounted at the end of the adjusting shaft 31, and typically, the second fixing portion 12 is provided with a bushing for the spindle 21 to pass through, and at this time, the spring 33 is abutted between the adjusting nut 32 and the bushing of the second fixing portion 12.
The first fixing portion 11 and the second fixing portion 12 may be fixed mounting plates, and in this case, when the spindle 21 passes through the second fixing portion 12, a sleeve for covering the spindle 21 may be disposed in the second fixing portion 12, and similarly, when the spindle 21 passes through the first fixing portion 11, a sleeve for covering the spindle 21 may be disposed in the first fixing portion 11. Generally, the sleeve and the fixing portion to which the sleeve is mounted are fixed relative to each other.
The first fixing portion 11 and the second fixing portion 12 as described herein are normally kept fixed while the spindle 21 of the bonding head mounting assembly 20 moves.
In another implementation, the first fixing portion 11 and the second fixing portion 12 may also be in a fixed non-plate form, for example, the first fixing portion 11 and/or the second fixing portion 12 may be a sleeve fixedly installed to allow the main shaft 21 to pass through.
Optionally, the welding device further includes a third fixing portion 13 disposed above the first fixing portion 11, each set of welding structures further includes a stopper piece matched with the sensing component 40, and the stopper piece is fixedly mounted on a lower end face of the third fixing portion 13. The sensing assembly 40 is fixedly mounted to the spindle 21 of the tip mounting assembly 20. the sensing assembly 40 includes an emitter and a receiver disposed opposite one another, and the stop is located in a path defined by the area between the emitter and the receiver as the sensing assembly moves.
Generally, the sensing assembly 40 has a transmitting element opposite to a receiving element, and when there is no obstacle between the transmitting element and the receiving element, a signal transmitted by the transmitting element can be received by the receiving element. The emitted signal is typically a light signal such as infrared. When the emitting element and the receiving element of the sensing assembly 40 move along with the main shaft 21, a space formed between the emitting element and the receiving element may be accommodated in a blocking piece corresponding to the main shaft 21 at a certain moment, and the blocking piece blocks a signal emitted by the emitting element, so that the receiving element cannot receive the signal when the emitting element emits the signal normally, and at this moment, the sensing assembly 40 generates an abnormal signal corresponding to the main shaft 21.
In the present invention, the blocking piece is arranged on the path formed when the area between the emitting piece and the receiving piece moves, so that when the sensing assembly 40 on the main shaft 21 moves to the blocking piece position, a sensing signal can be generated, and the movement of the butt joint 26 can be controlled in time.
In practical applications, a side portion of the enclosure housing the sensing component 40 and the elastic adjustment component 30 may be further disposed between the third fixing portion 13 and the second fixing portion 12, the third fixing portion 13 is an upper fixing plate of the enclosure housing, and the second fixing portion 12 is a lower fixing plate of the enclosure housing. In this way, the adjustment nut 32 is disposed inside the enclosure, thereby preventing the adjustment nut 32 from being erroneously operated by human touch. In addition, through setting up response subassembly 40 in the inside of closing the cover, in addition, close response subassembly 40 in the closing the cover through setting up the closing the cover, can reduce the influence of external environment light to response subassembly 40, improved response sensitivity and degree of accuracy.
In order to achieve precise adjustment and calibration of the spring 33, the elastic adjustment assembly 30 provided in the present invention may further include a scale corresponding to the adjustment nut 32, the indication mark on the adjustment nut 32 points to the scale, and the indication mark points to different scales of the scale after the adjustment nut 32 is rotated. Through setting up a scale for every adjusting nut 32 for all possess the referential to the regulation of every spring 33, the adjustment personnel of being convenient for to the elastic debugging of spring 33, and can make the debugging of a plurality of springs 33 more accurate more balanced.
Optionally, the bond head mounting assembly 20 further includes a collet 22 for mounting a bond head 26, the collet 22 being mounted to the lower end of the spindle 21 by an insulator block 23.
The chuck 22 is arranged at the lower end of the main shaft 21 through the insulating block 23, so that the current generated by the welding head 26 during welding can be prevented from returning to an upper part, and the operation safety of the upper part is ensured; in addition, the insulating block 23 can also be made of a high-temperature resistant material, so that the mounting position of the welding head 26 is prevented from being changed due to high temperature generated by long-time welding of the welding head 26, and the welding precision is further ensured.
Optionally, each weld structure further includes a weld head 26 mounted on the collet 22.
In practical applications, in order to improve the welding efficiency, a plurality of welding points may be welded, and the distribution of the plurality of welding points to be welded conforms to a predetermined distribution, in this case, the number of welding structures may be set to a number corresponding to the plurality of welding points conforming to the predetermined distribution, such as 3, 4, 5, 6, 7, 8, or 9 common welding points, and the number of welding points is the same as the number of welding heads 26. Fig. 2 shows the distribution of 3, 5, 6, 7, 8, and 9 welding points. In practical applications, the number of the soldering joints 26 can be selectively determined according to the specification of the actual soldering current-carrying chip and the actual required production efficiency, and the number of the soldering joints 26 is not limited in the invention.
Optionally, in order to avoid the rotation of the bonding head 26 during the bonding process, the bonding head mounting assembly 20 may further include a retaining clip, as shown in fig. 3, which is a retaining clip 24 to secure the spindle 21 to the insulating block 23.
By providing the holding clamp, the spindle 21 can be further fixed, and the rotation of the spindle 21 is prohibited, so that the rotation of the welding head 26 at the lower end of the spindle 21 is avoided when the welding head touches the welding part, and the use safety of the welding head 26 is ensured.
In a possible implementation manner, in addition to fixing the spindle 21 by using the above-mentioned retaining clip 24 to prevent the spindle 21 from rotating, the present invention further provides a long strip-shaped groove 21a formed in the outer surface of the spindle 21 of the bonding head mounting assembly 20 in a direction parallel to the axial direction, as shown in fig. 4, a shaft sleeve 25 for the spindle 21 to pass through is installed in the second fixing portion 12, and balls are accommodated in a space formed between the long strip-shaped groove 21a and the shaft sleeve 25.
Through set up rectangular shape recess 21a on main shaft 21 to hold the ball in the space that forms between rectangular shape recess 21a and axle sleeve 25, make main shaft 21 avoid main shaft 21 rotation when can reciprocate in axle sleeve 25, and then avoid main shaft 21 lower extreme soldered connection 26 to take place the rotation when touching the welding part, guaranteed soldered connection 26's safety in utilization.
Obviously, in practical applications, it is also possible to simultaneously form the elongated grooves 21a on the main shaft 21 and arrange the balls, and in combination with the retaining clips 24, to fix the main shaft 21 in the rotation direction.
Optionally, the outer surface of the spindle 21 of the bonding head mounting assembly is a non-cylindrical surface that inhibits the spindle 21 from rotating. For example, the main shaft 21 of the bonding head mounting assembly is a triangular prism, a rectangular prism, a pentagonal prism, or the like. For example, a protrusion is formed on the outer surface of the spindle 21 of the bonding head mounting assembly, and the protrusion can be inserted into a groove formed in the upper and lower direction of the inner side surface of the shaft sleeve, so as to ensure that the spindle 21 can move up and down and avoid the rotation of the spindle 21.
In summary, the equipment and the welding device for packaging the battery cell into the battery pack provided by the invention have the advantages that the spring is arranged, so that when the welding head is contacted with the welding position of the battery, the welding head can be stopped to advance to the welding position in time, and the over-welding caused by the welding head excessively pressing the welding position can be avoided; through setting up response subassembly, thereby can respond to whether the soldered connection has contacted with the welding position and control the soldered connection and continue to advance to the welding position, and then avoided leading to the damage of butt weld joint because of too moving the soldered connection to the welding position.
In addition, the adjusting nut is arranged in the closed cover, so that misoperation of the adjusting nut due to manual touch is avoided. The induction component is sealed in the sealing cover by the sealing cover, so that the influence of external environment light on the induction component can be reduced, and the induction sensitivity and accuracy are improved.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. The utility model provides a welding set, its characterized in that, welding set includes the first fixed part and the second fixed part of upper and lower position installation to and at least a set of welded structure, every group welded structure is including the soldered connection installation component, the elasticity adjusting part and the response subassembly that are used for installing the soldered connection, wherein:
the induction component is positioned above the first fixing part, and the elastic adjusting component is positioned between the first fixing part and the second fixing part; the main shaft of the welding head installation assembly in each group of welding structures sequentially penetrates through the second fixing part, the adjusting shaft of the elastic adjusting assembly and the first fixing part, and the spring of the elastic adjusting assembly is sleeved on the main shaft between the lower end of the adjusting shaft and the second fixing part.
2. The welding device of claim 1, further comprising a third fixture disposed above the first fixture, each set of welding structures further comprising a stop cooperating with the sensing assembly, the stop being fixedly mounted to a lower end surface of the third fixture;
the induction assembly is fixedly arranged on a main shaft of the welding head mounting assembly and comprises an emitting piece and a receiving piece which are arranged oppositely, and the blocking piece is positioned on a path formed by an area between the emitting piece and the receiving piece when the induction assembly moves.
3. The welding device according to claim 2, wherein a side portion of a closure housing enclosing the sensing assembly and the elastic adjustment assembly is further disposed between the third fixing portion and the second fixing portion, the third fixing portion is an upper fixing plate of the closure housing, and the second fixing portion is a lower fixing plate of the closure housing.
4. The welding device of claim 1, wherein the resilient adjustment assembly further comprises an adjustment nut that is sleeved over the adjustment shaft.
5. The welding device of claim 3, wherein the resilient adjustment assembly further comprises a scale, wherein the indicator marks on the adjustment nut are directed at the scale, and wherein upon rotation of the adjustment nut, the indicator marks are directed at different scales of the scale.
6. The welding device of claim 1, wherein the weld head mounting assembly further comprises a collet for mounting a weld head, the collet being mounted to a lower end of the spindle by an insulator block.
7. The welding device of claim 6, wherein each weld structure further comprises a weld head mounted on the collet, the number of weld structures being any one of one to nine.
8. The welding device of claim 6, wherein the weld head mounting assembly further comprises a retaining clip that secures the spindle to the insulator block.
9. The welding device according to any one of claims 1 to 8, wherein a spindle of the welding head mounting assembly has an elongated groove formed in an outer surface thereof in a direction parallel to an axial direction, a bushing through which the spindle passes is mounted in the second fixing portion, and a ball is accommodated in a space formed between the elongated groove and the bushing;
or,
the outer surface of the main shaft of the welding head mounting assembly is in a non-cylindrical shape which prohibits the main shaft from rotating.
10. An apparatus for packaging cells into a battery pack, characterized in that the apparatus comprises a welding device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810085358.7A CN108406171A (en) | 2018-01-29 | 2018-01-29 | Welding equipment and the equipment that battery core is packaged into battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810085358.7A CN108406171A (en) | 2018-01-29 | 2018-01-29 | Welding equipment and the equipment that battery core is packaged into battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108406171A true CN108406171A (en) | 2018-08-17 |
Family
ID=63127246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810085358.7A Pending CN108406171A (en) | 2018-01-29 | 2018-01-29 | Welding equipment and the equipment that battery core is packaged into battery pack |
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| CN201198068Y (en) * | 2008-04-23 | 2009-02-25 | 深圳市瑞凌实业有限公司 | Welding gun clip swing apparatus capable of making gun clip stop in the middle position within swing scope |
| WO2012045763A1 (en) * | 2010-10-06 | 2012-04-12 | Siemens Aktiengesellschaft | Welding head with a force sensor, a spring and an adjusting element |
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