CN218964413U

CN218964413U - Continuous nickel sheet laser welding and pressing mechanism of cylindrical battery

Info

Publication number: CN218964413U
Application number: CN202223222154.4U
Authority: CN
Inventors: 黑小斌; 陈志勇
Original assignee: Guangdong Mic Power New Energy Co Ltd
Current assignee: Guangdong Mic Power New Energy Co Ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-05
Anticipated expiration: 2032-12-02

Abstract

The utility model relates to a continuous nickel sheet laser welding press attachment mechanism of a cylindrical battery, which comprises a press attachment positioning base, a supporting plate, a driving assembly, a press attachment assembly and a positioning clamp, wherein the supporting plate can be movably arranged on the press attachment positioning base along a first direction, the driving assembly is arranged on the supporting plate, the press attachment assembly is arranged on the driving assembly, the driving assembly drives the press attachment assembly to move along a second direction, a plurality of cylindrical batteries and continuous nickel sheets are arranged on the positioning clamp, the connecting ends of the continuous nickel sheets are in press connection with the cylindrical batteries, and the positioning clamp is arranged on the press attachment positioning base. The utility model provides a laser welding and pressing mechanism for a continuous nickel sheet, which has high productivity, strong universality and low cost.

Description

Continuous nickel sheet laser welding and pressing mechanism of cylindrical battery

Technical Field

The utility model relates to the technical field of welding of nickel plates of cylindrical batteries, in particular to a laser welding press-attaching mechanism for a continuous nickel plate of a cylindrical battery.

Background

The nickel sheet is a metal connector accessory, is connected with the internal operation of the battery, plays a role of sensing connection, is easier to weld compared with other metal connecting sheets, has good performances of plasticity, corrosion resistance, magnetism and the like, and is usually welded with the cylindrical battery.

In the prior art, the batteries and the scattered nickel sheets are required to be placed in the fixtures in a one-to-one correspondence mode, the operation difficulty of welding is high, the operation efficiency is low, the risk of cold joint is high, the fixtures are not universal, and the batteries with different specifications are required to be produced by different fixtures, so that the production cost is increased, and a laser welding mechanism with high universality and low operation difficulty is required at present.

Disclosure of Invention

The utility model aims to provide a laser welding and pressing mechanism for a continuous nickel sheet, which has high productivity, strong universality and low cost.

The utility model provides a nickel piece laser welding pressure that links of cylinder battery attaches mechanism, includes to press attaches positioning base, backup pad, drive assembly and presses attaches the subassembly, the backup pad is installed press attaches positioning base is last, drive assembly installs in the backup pad, press attaches the subassembly and install on the drive assembly, drive assembly drives press attaches the subassembly and remove along the second direction, press attaches the subassembly and include elasticity pressure claw and mount pad, elasticity pressure claw is installed side by side on the mount pad.

In the scheme, the first direction is the back-and-forth movement direction, the second direction is the vertical movement direction, the backup pad can be along the position of first direction regulation pressure attaches the subassembly around, the drive assembly can be along the height of second direction regulation pressure attaches the subassembly, the position of adjustment backup pad installation makes pressure attach the subassembly and corresponds cylindrical battery and even arrange nickel piece welded position, start drive assembly and drive pressure attach the subassembly downward movement, after elastic pressure claw and cylindrical battery and even arrange nickel piece pressure attach the contact, carry out laser welding to cylindrical battery and even arrange nickel piece, pressure attach the mechanism and reduced welded operation degree of difficulty, welded efficiency has been improved.

Further, an oblong hole is formed in the mounting seat.

In the scheme, the mounting seat is connected with the driving assembly, the driving assembly drives the elastic pressing claw mounted on the mounting seat to move downwards, laser welding is performed after the elastic pressing claw is pressed and attached to the position where the cylindrical battery is connected with the continuous nickel sheet, and the mounting seat is provided with the oblong hole, so that the mounting seat can be adjusted left and right according to the fixed position of the positioning fixture, the pressing mechanism is suitable for welding any steel shell cylindrical battery and the continuous nickel sheet, and the manufacturing cost of the positioning fixture is reduced.

Further, the device also comprises a positioning clamp, wherein the positioning clamp is provided with side-by-side grooves, and the positioning clamp is arranged on the press-attaching positioning base.

In the scheme, a plurality of cylindrical batteries are inserted in the groove, the continuous nickel sheet is of an integral structure with a plurality of connecting ends, the connecting ends of the continuous nickel sheet are placed on the positioning clamp to be in contact with the cylindrical batteries, the pressing assembly is pressed and attached to the position where the connecting ends are in contact with the cylindrical batteries, laser welding is carried out, the positioning clamp is used for fixing the cylindrical batteries and the continuous nickel sheet at a preset position, and therefore deviation caused by deviation of welding positions can not occur when the pressing assembly is pressed and attached.

Further, the driving assembly comprises a lifting driving piece and a sliding table, and the sliding table can move along the second direction and is connected with the mounting seat.

In the scheme, the second direction is vertical up-and-down motion direction, and the lifting driving piece drives the slip table to move up and down, drives the elastic pressing claw on the mounting seat to press the cylindrical battery downwards and the continuous nickel sheet, and the slip table drives the elastic pressing claw to reset upwards after welding is finished, so that the positioning clamp is conveniently taken out.

Further, the elastic pressing claw comprises a pressing piece, a connecting block and a fixing plate, wherein the pressing piece is connected with one end of the connecting block, an elastic piece is connected above the other end of the connecting block, and the connecting block and the elastic piece penetrate through the fixing plate.

In the scheme, the pressing piece is a part which is in contact with the nickel plates in the continuous row on the elastic pressing claw, the pressing piece is fixed on the fixing plate by the connecting block, the fixing plate is fixed on the mounting seat to form the elastic pressing claw with a stable structure, the elastic piece is arranged above the connecting block, the elastic pressing claw can generate certain elastic force when in pressing attachment, the elastic pressing claw enables each nickel plate in the continuous row to be pressed in place, and the risk of nickel plate cold welding is reduced.

Further, the end of the pressing piece is provided with a welding through hole.

In the scheme, one end of the pressing piece is clamped on the connecting block, a welded opening is formed in the other end of the pressing piece, the welding through holes face to positions where the nickel plates and the cylindrical batteries are required to be welded, the positions where the welding cylindrical batteries are welded are unified due to the unification of the welding through holes, and the welding quality is improved.

Furthermore, the fixing plate is bent and installed on the installation seat, and a stepped screwing piece is arranged at the top of the fixing plate in a penetrating mode.

In the above scheme, the fixed plate needs to be installed on the mount pad, and fixed connection is also fast to the fixed plate simultaneously, bends the fixing base and opens two through-holes, wears to be equipped with the fastener with the fixed plate installation on the mount pad to take the through-hole on the mount pad, and the through-hole of keeping away from the mount pad wears to be equipped with the piece of screwing of step form, generally selects for use step screw, and the great position of step screw diameter wears to establish into the elastic component, and the connecting block is worn to establish in the position that the diameter is little, and the structure of fixed plate makes the elasticity press claw press and attaches stability good.

Further, two ends of the supporting plate are provided with oblong holes, and the supporting plate is connected with the press-attaching positioning base through threaded connecting pieces penetrating through the oblong holes.

In the above scheme, the backup pad can be along the installation that first direction removed on attaching the location base, adjusts the backup pad along first direction according to the position of the last cylindrical battery of positioning fixture and even arranging the nickel piece, and the oblong hole makes the backup pad adjust more convenient, lets the press attachment mechanism be applicable to the cylindrical battery of more models.

Furthermore, two limiting blocks are arranged on the pressing positioning base, and the extending directions of the two limiting blocks are vertical.

In the scheme, the welding through hole of the laser welding is smaller, the positions of the required positioning clamp and the elastic pressing claw are flush, the pressing positioning base is provided with the groove which is convenient for positioning and installing the supporting plate and the limiting block, and the positioning clamp is installed after the limiting block is fixed, so that the positioning clamp is prevented from inclining on the pressing positioning plate.

The utility model relates to a laser welding and pressing mechanism for a continuous nickel sheet of a cylindrical battery, which has at least the following beneficial effects:

first, production efficiency is high, presses and attaches a plurality of cylinder batteries of subassembly pressure and link and arrange nickel piece and carry out laser welding, and the operation degree of difficulty is little during the welding, and the operating efficiency is high.

Second, commonality are strong, and the backup pad can be along the position around the first direction adjustment pressure attaches the subassembly for pressure attaches the subassembly and corresponds cylindrical battery and link row nickel piece welded position, and drive assembly can be along the height of second direction adjustment pressure attaches the subassembly, thereby realizes welding cylindrical battery and the row nickel piece of different positions.

Thirdly, the operation difficulty is low, after the installation position of the supporting plate is adjusted, the driving assembly is started to drive the pressing assembly to move downwards to contact and press the continuous nickel plates, and after the pressing assembly is in place, the cylindrical battery and the continuous nickel plates are welded by laser.

Drawings

Fig. 1 is a front view of a laser welding and pressing mechanism for a nickel plate in a row of a cylindrical battery according to an embodiment.

Fig. 2 is a schematic structural diagram of a laser welding and pressing mechanism for the nickel plates in the row of the cylindrical battery.

Fig. 3 is a schematic structural diagram of an attaching assembly according to an embodiment.

Fig. 4 is a schematic view of an elastic pressing claw structure according to an embodiment.

Fig. 5 is a top view of a laser welding and pressing mechanism for a nickel plate in a row of a cylindrical battery according to an embodiment.

Reference numerals illustrate: 1. pressing and attaching a positioning base; 200. a press attachment assembly; 210. an elastic pressing claw; 220. a mounting base; 211. a pressing member; 212. a connecting block; 213. an elastic member; 214. a screwing piece; 215. a fixing plate; 216. welding the through holes; 3. a support plate; 40. a drive assembly; 41. a lifting driving member; 42. a sliding table; 5. positioning a clamp; 60. a nickel sheet is arranged in a row; 61. a connection end; 7. a cylindrical battery; 8. a limiting block; 9. oblong holes.

Detailed Description

The laser welding and pressing mechanism for the continuous nickel plates of the cylindrical battery is further described in detail below with reference to specific embodiments and drawings.

As shown in fig. 1 and 2, in a preferred embodiment, the laser welding and attaching mechanism for the continuous nickel sheet of the cylindrical battery of the present utility model includes a press attachment positioning base 1, a press attachment assembly 200, a support plate 3 and a driving assembly 40, wherein the support plate 3 is movably mounted on the press attachment positioning base 1 along a first direction, the driving assembly 40 is mounted on the support plate 3, the press attachment assembly 200 is mounted on the driving assembly 40, the driving assembly 40 drives the press attachment assembly 200 to move along a second direction, the press attachment assembly 200 includes an elastic press claw 210 and a mounting seat 220, and the elastic press claw 210 is mounted on the mounting seat 220 side by side. The first direction is the back-and-forth movement direction, the second direction is the vertical movement direction, the backup pad 3 can be along the position of first direction regulation pressure attaches subassembly 200 back and forth, the drive assembly 40 can be along the height of second direction regulation pressure attaches subassembly 200, the position of adjusting backup pad 3 installation makes pressure attaches subassembly 200 correspond cylindrical battery 7 and even arrange nickel piece 60 welded position, start drive assembly 40 and drive pressure attaches subassembly 200 downward movement, after elastic press claw 210 and cylindrical battery 7 and even arrange nickel piece 60 pressure attach contact, carry out laser welding to cylindrical battery 7 and even arrange nickel piece 60, the pressure attaches the operation degree of difficulty that the mechanism has reduced the welding, the welded efficiency has been improved.

As shown in fig. 2 and 3, in some embodiments, the mount 220 is provided with an oblong hole 9. The mounting seat 220 is connected with the driving assembly 40, the driving assembly 40 drives the elastic pressing claws 210 mounted on the mounting seat 220 to move downwards, the distance between the elastic pressing claws 210 is consistent with the distance between the cylindrical batteries 7, when the elastic pressing claws 210 are pressed and attached to the positions where the cylindrical batteries 7 are connected with the continuous nickel plates 60, laser welding is performed, the mounting seat 220 is provided with the oblong holes 9, so that the mounting seat 220 can be adjusted left and right according to the fixed positions of the positioning fixtures 5, the pressing mechanism is suitable for welding any steel shell cylindrical batteries 7 and the continuous nickel plates 60, and the manufacturing cost of the positioning fixtures 5 is reduced.

As shown in fig. 1 and 2, in some embodiments, the positioning fixture 5 further comprises a positioning fixture 5, wherein the positioning fixture 5 is provided with side-by-side grooves, and the positioning fixture 5 is mounted on the press-attaching positioning base 1. The nickel plates 60 are integrally formed with the connecting ends 61, the nickel plates 60 are arranged on the positioning fixture 5 and correspond to the nickel plates 7, the connecting ends 61 of the nickel plates 60 are contacted with the nickel plates 7, the press-attaching assembly 200 is pressed on the connecting ends 61, the connecting ends 61 are abutted to the nickel plates 7 under the pressure of the press-attaching assembly 200, laser welding is carried out at the contacted positions, and the nickel plates 7 and the nickel plates 60 are correspondingly arranged when being placed on the positioning fixture 5, so that the nickel plates 7 and the nickel plates 60 are not deviated when the press-attaching assembly 200 is pressed, the welding position is deviated, the risk of cold welding is reduced, and the product quality is improved.

As shown in fig. 2, in some embodiments, the drive assembly 40 includes a lift drive 41 and a ramp 42, the ramp 42 being movable in a second direction and coupled to the mount 220. The second direction is vertical up-and-down motion direction, and lift driving piece 41 drive slip table 42 reciprocates, drives the elasticity pressure claw 210 on the mount pad 220 and presses down and attach cylindrical battery 7 and even arranges nickel piece 60, and slip table 42 drives elasticity pressure claw 210 and upwards resets after the welding is accomplished, is convenient for take out of positioning fixture 5, and drive assembly 40 generally selects the cylinder of taking the slip table, and the motion process is stable.

As shown in fig. 4, in some embodiments, the elastic pressing claw 210 includes a pressing member 211, a connection block 212, and a fixing plate 215, the pressing member 211 is connected to one end of the connection block 212, an elastic member 213 is connected to the other end of the connection block 212, and the connection block 212 and the elastic member 213 are disposed through the fixing plate 215. The pressing piece 211 is a part which is in contact with the continuous nickel sheets 60 on the elastic pressing claw 210, the connecting block 212 fixes the pressing piece 211 on the fixing plate 215, the fixing plate 215 is fixed on the mounting seat 220, the elastic pressing claw 210 with a stable structure is formed, the elastic piece 213 is arranged above the connecting block 212, the elastic pressing claw 210 can generate certain elastic force when in pressing attachment, the elastic pressing claw 210 enables each continuous nickel sheet 60 to be pressed and attached in place, and the risk of nickel sheet cold welding is reduced.

As shown in fig. 5, in some embodiments, the end of the pressing piece 211 is provided with a welding through hole 216. Specifically, one end of the pressing piece 211 is clamped on the connecting block 212, a welding through hole 216 is formed in the other end of the pressing piece, meanwhile, the welding through hole 216 is formed in a position where the nickel plates 60 and the cylindrical batteries 7 are required to be welded, a welding needle can penetrate through the welding through hole 216 and then welded, so that the welded position of the welded cylindrical batteries 7 is fixed, and the elastic pressing claw 210 has certain elasticity, so that the welding through hole 216 can be positioned better, the risk of cold welding is reduced, and the welding quality is improved.

As shown in fig. 4, in some embodiments, the fixing plate 215 is mounted on the mounting base 220 in a bending manner, and a stepped screwing member 214 is penetrated at the top of the fixing plate 215. The fixing plate 215 needs to be installed on the installation seat 220, the fixing seat is bent to form two through holes, the fixing plate 215 can be fixed on the installation seat 220 by penetrating one through hole through a fastening piece, and the fastening piece can be a screw. Step screw is generally selected to step screw that step screw diameter is great, and the position wears to establish into elastic component 213, and connecting block 212 is worn to establish in the position that the diameter is little, and the structure of fixed plate 215 makes elasticity press jaw 210 press attach stability good, because the inside connecting block 212 that is equipped with of fixed plate 215 opens square through-hole, installs the board that has two circular holes additional in fixed plate 215 top makes the piece 214 head of screwing can be with square through-hole complete shielding, avoids having the dust to drop to influence elasticity press jaw 210's performance.

As shown in fig. 2, in some embodiments, two ends of the supporting plate 3 are provided with oblong holes 9, and the supporting plate 3 is connected with the press positioning base 1 through a threaded connector penetrating through the oblong holes 9. The backup pad 3 adjusts along first direction according to the position of the cylindrical battery 7 on the positioning fixture 5 and even arrange nickel piece 60, and oblong hole 9 makes backup pad 3 adjust more convenient, after positioning fixture 5 installs, according to the position back-and-forth movement backup pad 3 of cylindrical battery 7, lets the press-adhesion mechanism be applicable to the cylindrical battery 7 of more models.

As shown in fig. 5, in some embodiments, two limiting blocks 8 are installed on the press positioning base 1, and the extending directions of the two limiting blocks 8 are perpendicular. The welding through hole 216 of laser welding is smaller, the positions of the required positioning clamp 5 and the elastic pressing claw 210 are flush, the pressing positioning base 1 is provided with a groove which is convenient for positioning and installing the supporting plate 3 and the limiting block 8, the positioning clamp 5 is installed after the limiting block 8 is fixed, the positioning clamp 5 is ensured not to incline on the pressing positioning plate, and therefore accurate positioning of the cylindrical battery 7 and the continuous nickel sheet 60 is achieved, the operation difficulty is reduced, and the operation efficiency is improved.

The utility model relates to a working principle and a working process of a continuous nickel sheet laser welding and pressing mechanism of a cylindrical battery, wherein a positioning fixture 5 provided with the cylindrical battery 7 and the continuous nickel sheet 60 is arranged on a pressing and positioning base 1, a supporting plate 3 is arranged on the pressing and positioning base 1, a driving component 40 is arranged on the supporting plate 3, a pressing and pressing component 200 is connected with the driving component 40 and is hung above the positioning fixture 5, the pressing and pressing component 200 comprises a mounting seat 220 and an elastic pressing claw 210, the mounting seat 220 is connected with a sliding table 42 on the driving component 40, the driving component 40 drives the pressing and pressing component 200 to press and attach the continuous nickel sheet 60, and a welding machine performs laser welding at a welding through hole 216 position, and the elastic pressing claw 210 resets after welding is completed and takes out the positioning fixture 5.

In the description of the present utility model, it should be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

While the utility model has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the spirit and scope of the following claims.

Claims

1. The utility model provides a link row nickel piece laser welding pressure and attach mechanism of cylinder battery, its characterized in that includes pressure and attaches positioning base, backup pad, drive assembly and pressure and attach the subassembly, the backup pad is installed pressure is attached on the positioning base, drive assembly installs in the backup pad, pressure is attached the subassembly and is installed on the drive assembly, drive assembly drives pressure is attached the subassembly and is followed the second direction and remove, pressure is attached the subassembly and is included elasticity pressure claw and mount pad, elasticity pressure claw is installed side by side on the mount pad.

2. The laser welding and pressing mechanism for the continuous nickel plates of the cylindrical battery according to claim 1, wherein the mounting seat is provided with an oblong hole.

3. The laser welding press-attaching mechanism for the continuous nickel plates of the cylindrical battery according to claim 1, further comprising a positioning clamp, wherein the positioning clamp is provided with side-by-side grooves, and the positioning clamp is arranged on the press-attaching positioning base.

4. The continuous nickel plate laser welding press attachment mechanism of a cylindrical battery according to claim 1, wherein the driving assembly comprises a lifting driving piece and a sliding table, and the sliding table can move along a second direction and is connected with the mounting seat.

5. The laser welding and pressing mechanism for the continuous nickel plates of the cylindrical battery according to claim 1, wherein the elastic pressing claw comprises a pressing piece, a connecting block and a fixing plate, the pressing piece is connected with one end of the connecting block, an elastic piece is connected above the other end of the connecting block, and the connecting block and the elastic piece penetrate through the fixing plate.

6. The laser welding press-attaching mechanism for the continuous nickel plates of the cylindrical battery according to claim 5, wherein the end part of the pressing member is provided with a welding through hole.

7. The laser welding and pressing mechanism for the continuous nickel plates of the cylindrical battery according to claim 5, wherein the fixing plate is bent and installed on the installation seat, and a stepped screwing piece is arranged at the top of the fixing plate in a penetrating mode.

8. The laser welding and pressing mechanism for the continuous nickel plates of the cylindrical battery according to claim 1, wherein oblong holes are formed in two ends of the supporting plate, and the supporting plate is connected with the pressing positioning base through a threaded connecting piece penetrating through the oblong holes.

9. The laser welding press-attaching mechanism for the continuous nickel plates of the cylindrical battery according to claim 1, wherein two limiting blocks are arranged on the press-attaching positioning base, and the extending directions of the two limiting blocks are vertical.