阅读说明：本技术 一种适应性强的锂电池点焊装置 (Lithium battery spot welding device with high adaptability ) 是由 赵永君 于 2019-10-28 设计创作，主要内容包括：本发明公开了锂电池技术领域的一种适应性强的锂电池点焊装置,包括工作台,工作台顶部有第一直板、第二直板、第三气缸和电机,第一直板侧壁上有支撑板,支撑板上有第二气缸,第二气缸连接有第一滑板,第三气缸的输出端有第二滑板,第二滑板上安装有风机,电机的输出端有转盘,转盘上均匀固定连接有直杆,直杆上均开设有螺纹孔,直杆上活动连接有两组相同的连接块,连接块固定连接弧形板,本发明通过直杆上的螺纹孔以通孔的轴线对称设置,使得两组弧形板之间的距离可调节,同时保证了两组弧形板之间中心位置在通孔的轴线上,使得装置可通过调节适合不同尺寸的锂电池进行点焊,相较于对比文件,调节更加方便,同时装置生产成本更低。(The invention discloses a lithium battery spot welding device with strong adaptability in the technical field of lithium batteries, which comprises a workbench, wherein the top of the workbench is provided with a first straight plate, a second straight plate, a third cylinder and a motor, the side wall of the first straight plate is provided with a supporting plate, the supporting plate is provided with the second cylinder, the second cylinder is connected with a first sliding plate, the output end of the third cylinder is provided with a second sliding plate, the second sliding plate is provided with a fan, the output end of the motor is provided with a rotating disc, the rotating disc is uniformly and fixedly connected with a straight rod, the straight rod is provided with a threaded hole, the straight rod is movably connected with two groups of same connecting blocks, and the connecting blocks are fixedly connected with arc-shaped plates. Compared with a comparison file, the adjustment is more convenient, and meanwhile, the production cost of the device is lower.)

1. The utility model provides a strong adaptability's lithium cell spot welding device, includes workstation, L shaped plate, through-hole, backup pad, first straight board, carousel, first slide, connecting block, fixing bolt, arc, straight-bar, the straight-bar of second, second slide and circular cone platform, its characterized in that: the top of the workbench is fixedly connected with a first straight plate, a second straight plate, a third cylinder and a motor, the side wall of the first straight plate is fixedly connected with a supporting plate, a second cylinder is fixedly arranged on the supporting plate, the output end of the second cylinder is fixedly connected with a first sliding plate, a spot welding structure is fixedly arranged at the bottom of the first sliding plate, a second sliding plate is fixedly connected with the output end of the third cylinder, the second sliding plate is provided with a fan, the output end of the motor is fixedly connected with a turntable, straight rods are uniformly and fixedly connected on the turntable, the straight rod is provided with threaded holes and is movably connected with two groups of same connecting blocks, the connecting block is fixedly connected with the arc-shaped plate, the bottom plate is provided with a through hole, the bottom of the bottom plate is fixedly connected with an L-shaped plate, a first cylinder is fixedly mounted on the L-shaped plate, and the output end of the first cylinder is fixedly connected with a cone frustum.

2. The adaptable spot welding device for lithium batteries according to claim 1, wherein: the first sliding plate is connected with the first straight plate in a sliding mode, and the second sliding plate is connected with the second straight plate in a sliding mode.

3. The adaptable spot welding device for lithium batteries according to claim 1, wherein: and the threaded holes in the connecting block and the straight rod are in threaded connection with fixing bolts.

4. The adaptable spot welding device for lithium batteries according to claim 1, wherein: and the cone frustum moves in the through hole under the spot welding structure of the through hole.

5. The adaptable spot welding device for lithium batteries according to claim 1, wherein: the threaded holes in the straight rod are symmetrically arranged along the axis of the through hole.

6. The adaptable spot welding device for lithium batteries according to claim 1, wherein: the controller is fixedly connected to the outer wall of the first straight plate and electrically connected with an external power supply, and the controller is electrically connected with the fan, the motor, the spot welding structure, the first cylinder, the second cylinder and the third cylinder respectively.

Technical Field

The invention relates to the technical field of lithium batteries, in particular to a lithium battery spot welding device with strong adaptability.

Background

A lithium ion battery: is a secondary battery (rechargeable battery) that operates by mainly relying on lithium ions moving between a positive electrode and a negative electrode. During charging and discharging, Li + is inserted and extracted back and forth between two electrodes: during charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge. Lithium batteries are classified into lithium batteries and lithium ion batteries. Lithium ion batteries are used in mobile phones and notebook computers, and are commonly called as lithium batteries. The battery generally adopts a material containing lithium element as an electrode, and is a representative of modern high-performance batteries. The real lithium battery is rarely applied to daily electronic products due to high danger.

The spot welding is an indispensable step in the production process of the lithium ion battery, and a spot welding device cannot be separated from the production of the battery core to the assembly of the battery Pack. Present spot welding devices also have some drawbacks.

For example, chinese patent application number is CN201820817241.9 cylinder type lithium cell point end welding device, comprises a workbench, the top welding of workstation has fixed column and guide bar, and the outside of fixed column rotates the cover and is equipped with the rotating tube, the outside welding of rotating tube has the second dead lever that encircles the rotating tube setting, and the second dead lever keeps away from the one end of rotating tube and all welds and place the pipe, the workstation is equipped with and is located the round hole that the pipe below was placed in the correspondence, and the round hole endotheca is equipped with the circular truncated cone, the bottom an organic whole of circular truncated cone is provided with the screw thread post. This is novel through fixed column, rotating tube, second dead lever, first dead lever, place the setting of pipe, knob, screw thread post and circular truncated cone, not only can be used for placing the battery and fix a position the battery for user's welding is convenient, and simultaneously, the pipe of placing of different internal diameters can change, thereby can carry out the alternative use when needing, uses in a flexible way and excellent in use effect, but the device adapts to the not spot welding of unidimensional lithium cell and adjusts inconveniently, does not have dry function simultaneously.

Based on the above, the invention designs a lithium battery spot welding device with strong adaptability, so as to solve the problems.

Disclosure of Invention

The invention aims to provide a lithium battery spot welding device with strong adaptability, which solves the problems that although the placing pipes with different inner diameters can be switched, the placing pipes can be selected and used when needed, the device is flexible to use and good in using effect, the device is inconvenient to adjust in spot welding for lithium batteries with different sizes, and does not have a drying function.

In order to achieve the purpose, the invention provides the following technical scheme: a lithium battery spot welding device with strong adaptability comprises a workbench, an L-shaped plate, a through hole, a supporting plate, a first straight plate, a rotary disc, a first sliding plate, a connecting block, a fixing bolt, an arc-shaped plate, a straight bar, a second straight plate, a second sliding plate and a cone frustum, wherein the top of the workbench is fixedly connected with the first straight plate, the second straight plate, a third cylinder and a motor, the supporting plate is fixedly connected onto the side wall of the first straight plate, a second cylinder is fixedly arranged on the supporting plate, the output end of the second cylinder is fixedly connected with the first sliding plate, a spot welding structure is fixedly arranged at the bottom of the first sliding plate, the output end of the third cylinder is fixedly connected with the second sliding plate, a fan is arranged on the second sliding plate, the output end of the motor is fixedly connected with the rotary disc, the straight bar is uniformly and fixedly connected onto the rotary disc, threaded holes are formed in each straight bar, and, the connecting block is fixedly connected with the arc-shaped plate, a through hole is formed in the bottom plate, an L-shaped plate is fixedly connected to the bottom of the bottom plate, a first air cylinder is fixedly mounted on the L-shaped plate, and the output end of the first air cylinder is fixedly connected with a cone frustum.

Preferably, the first sliding plate is connected with the first straight plate in a sliding manner, and the second sliding plate is connected with the second straight plate in a sliding manner.

Preferably, the threaded holes in the connecting block and the straight rod are both in threaded connection with fixing bolts.

Preferably, the through hole is located right below the spot welding structure, and the cone frustum moves in the through hole.

Preferably, the threaded holes in the straight rod are symmetrically arranged along the axis of the through hole.

Preferably, the controller is fixedly connected to the outer wall of the first straight plate, electrically connected to an external power supply, and electrically connected to the fan, the motor, the spot welding structure, the first cylinder, the second cylinder and the third cylinder.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the threaded holes in the straight rod are symmetrically arranged along the axis of the through hole, so that the distance between the two groups of arc-shaped plates can be adjusted, and meanwhile, the central position between the two groups of arc-shaped plates is ensured to be on the axis of the through hole, so that the device can be adjusted to be suitable for spot welding of lithium batteries with different sizes. According to the spot welding device, the third air cylinder, the second sliding plate and the fan are designed to act, so that the spot welding device can blow air to cool spot welding positions, and the spot welding efficiency is improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings 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 that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the structure of the present invention;

FIG. 3 is a bottom view of the present invention;

FIG. 4 is a functional schematic of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. the working table comprises a working table 2, an L-shaped plate 3, a first cylinder 4, a through hole 5, a supporting plate 6, a first straight plate 7, a controller 8, a second cylinder 9, a rotary disc 10, a first sliding plate 11, a threaded hole 12, a connecting block 13, a fixing bolt 14, an arc-shaped plate 15, a motor 16, a straight rod 17, a second straight plate 18, a fan 19, a third cylinder 20, a second sliding plate 21, a cone table 22 and a spot welding structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a lithium battery spot welding device with strong adaptability comprises a workbench 1, an L-shaped plate 2, a through hole 4, a supporting plate 5, a first straight plate 6, a turntable 9, a first sliding plate 10, a connecting block 12, a fixing bolt 13, an arc-shaped plate 14, a straight rod 16, a second straight plate 17, a second sliding plate 20 and a cone frustum 21, wherein the top of the workbench 1 is fixedly connected with the first straight plate 6, the second straight plate 17, a third cylinder 19 and a motor 15, the supporting plate 5 is fixedly connected onto the side wall of the first straight plate 6, the supporting plate 5 is fixedly provided with the second cylinder 8, the output end of the second cylinder 8 is fixedly connected with the first sliding plate 10, the bottom of the first sliding plate 10 is fixedly provided with a spot welding structure 22, the output end of the third cylinder 19 is fixedly connected with the second sliding plate 20, the second sliding plate 20 is provided with a fan 18, and the device can blow and cool spot welding positions by designing the third cylinder 19, the second sliding, the spot welding efficiency is improved, the output end of the motor 15 is fixedly connected with the rotary table 9, the rotary table 9 is uniformly and fixedly connected with the straight bar 16, the straight bar 16 is provided with threaded holes 11, the straight bar 16 is movably connected with two groups of same connecting blocks 12, the connecting blocks 12 are fixedly connected with the arc-shaped plates 14, the arc-shaped plates 14 are made of rubber materials, the lithium batteries are clamped by the two groups of arc-shaped plates 14, the motor 15 is convenient to drive the lithium batteries to rotate, the bottom plate 1 is provided with through holes 4, the bottom of the bottom plate 1 is fixedly connected with an L-shaped plate 2, the L-shaped plate 2 is fixedly provided with a first air cylinder 3, the output end of the first air cylinder 3 is fixedly connected with a cone frustum 21, the threaded holes 11 on the straight bar 16 are symmetrically arranged along the axis of the through holes 4, the distance between the two groups of arc-shaped plates 14, compared with a comparison file, the adjustment is more convenient, and meanwhile, the production cost of the device is lower.

The first sliding plate 10 is connected with the first straight plate 6 in a sliding mode, and the second sliding plate 20 is connected with the second straight plate 17 in a sliding mode, so that the first sliding plate 10 and the second sliding plate 20 can slide up and down conveniently.

Threaded holes in the connecting block 12 and the straight rod 11 are in threaded connection with fixing bolts 13, so that the connecting block 12 is conveniently fixed on the straight rod 11.

The through hole 4 is directly below the spot-welded structure 22, and the truncated cone 21 moves in the through hole 4.

The threaded holes 11 on the straight rod 16 are symmetrically arranged on the axis of the through hole 4.

The controller 7 is fixedly connected to the outer wall of the first straight plate 10, the controller 7 is electrically connected with an external power supply, the controller 7 is respectively electrically connected with the fan 18, the motor 15, the spot welding structure 22, the first cylinder 3, the second cylinder 8 and the third cylinder 19, the controller 7 selects FX3GA-60MR-CM, the fan 18 selects a WDF17251 centrifugal fan, the motor 15 selects 86BYGH35011840, the spot welding structure 22 selects a contrast file welding main body, and the first cylinder 3, the second cylinder 8 and the third cylinder 19 select DSBC-80-210-PPVA-N3.

One specific application of this embodiment is: the threaded holes 11 on the straight rod 16 are symmetrically arranged along the axis of the through hole 4, so that the arc-shaped plates 15 can be symmetrically arranged along the axis of the through hole 4, the straight rod 16 and the connecting rod 12 are fixedly connected through the fixing bolt 13 according to the outer diameters of lithium batteries with different sizes, the device can be adjusted to be suitable for spot welding of the lithium batteries with different sizes, compared with a comparison file, adjustment is more convenient, the production cost of the device is lower, then the lithium batteries are inserted between two groups of arc-shaped plates 15, the controller 7 starts the third air cylinder 19, the fan 18 and the motor 15, the third air cylinder 19 pushes the second sliding plate 20 to slide on the second straight plate 17 to drive the fan 13 to move to a specified height, air blowing of the fan 13 can blow and cool the spot welding position, spot welding efficiency is improved, the motor 15 rotates to rotate a quarter circle every time, when the motor 15 drives the rotary table 9 to rotate, when the straight rod 16 drives the lithium battery in the arc-shaped plate 14 to rotate to a position right below the spot welding structure 22, the controller 7 starts the first air cylinder 3 and the second air cylinder 8, the first air cylinder drives the first air cylinder 3 to move the cone frustum 21 upwards to abut against the bottom of the lithium battery, the second air cylinder 8 drives the first sliding plate 10 to move downwards, the first sliding plate 10 drives the spot welding structure 22 to move downwards to perform spot welding on the lithium battery, after the spot welding is finished, the first air cylinder 3 drives the cone frustum 21 to slide downwards, the second air cylinder 8 drives the spot welding structure 22 to move upwards, the motor 15 rotates the quarter circle again, the position of the spot-welded lithium battery moving fan 18 is cooled, the lithium battery which is not subjected to spot welding moves to a position below the spot welding structure 22 again, and the controller 7 starts the first air cylinder 3 and the second air cylinder 8 again to perform spot.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.