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CN-224209242-U - Lithium ion battery welding fixture

CN224209242UCN 224209242 UCN224209242 UCN 224209242UCN-224209242-U

Abstract

The utility model relates to the technical field of lithium ion battery welding, in particular to a lithium ion battery welding tool. The lithium ion battery welding tool comprises a positioning base frame, a plurality of overturning frames, a plurality of bottom supporting plates, a plurality of feeding mechanisms and a plurality of feeding mechanisms, wherein the positioning base frame is symmetrically provided with positioning presser feet, the plurality of overturning frames are uniformly and rotatably arranged on the positioning base frame, driving pieces for driving the plurality of overturning frames to overturn are arranged on the positioning base frame, the plurality of battery drums are arranged on the overturning frames in an array mode, the plurality of battery drums are hollow, one side of each overturning frame is provided with a fixed support, the other side of each overturning frame is provided with a movable support, four corners of an inner cavity of the positioning base frame are fixedly provided with hydraulic cylinders, the telescopic ends of the hydraulic cylinders are fixedly provided with the bottom supporting plates, and the feeding mechanisms are provided with the plurality of feeding mechanisms and are erected above the corresponding overturning frames. The lithium ion battery welding tool provided by the utility model has the advantages of capability of performing double-sided welding on a lithium battery and high welding efficiency.

Inventors

  • XIAO HONGCAI

Assignees

  • 深圳永德立新能源有限公司

Dates

Publication Date
20260508
Application Date
20250604

Claims (7)

  1. 1. A lithium ion battery welding fixture, comprising: the positioning base frame (1), wherein the positioning base frame (1) is symmetrically provided with positioning presser feet (11); characterized by further comprising: The turnover frame (2) is provided with a plurality of turnover frames (2), the turnover frames (2) are uniformly and rotatably arranged on the positioning base frame (1), driving pieces (3) for driving the turnover frames (2) to turn are arranged on the positioning base frame (1), a plurality of battery drums (4) are arranged on the turnover frames (2) in an array mode, the battery drums (4) are hollow, through holes (401) are symmetrically formed in the middle of the battery drums (4), discharge grooves (402) are formed in the middle of the battery drums in a penetrating mode, a fixed support (5) is arranged on one side of the turnover frame (2), movable supports (6) are arranged on the other side of the turnover frame (2), hydraulic cylinders (7) are fixedly arranged at four corners of an inner cavity of the positioning base frame (1), and bottom supporting plates (8) are fixedly arranged at telescopic ends of the hydraulic cylinders (7); The feeding mechanisms (9) are arranged in a plurality, and the feeding mechanisms (9) are used for conveying and welding the conductive aluminum bars and are erected above the corresponding turnover frames (2).
  2. 2. The lithium ion battery welding tool according to claim 1, wherein the driving piece (3) comprises a transmission gear (31), the transmission gear (31) is fixedly sleeved on a rotating shaft of the roll-over stand (2), a rack plate (32) is slidably arranged below the transmission gear (31) on the positioning base frame (1), the rack plate (32) is meshed with the transmission gear (31), and an electric rod I (33) for driving the rack plate (32) to slide is arranged on the positioning base frame (1).
  3. 3. The lithium ion battery welding tool according to claim 1, wherein the fixing support (5) comprises a transverse baffle plate (51), the transverse baffle plate (51) is fixedly installed on one side of the roll-over stand (2), a plurality of fixing clamp blocks (52) are uniformly installed on the transverse baffle plate (51), one end through holes (401) of the fixing clamp blocks (52) are formed, and clamping arc-shaped portions matched with the cylindrical lithium ion battery are arranged.
  4. 4. The lithium ion battery welding tool according to claim 1, wherein the movable support (6) comprises two electric rods (61), the two electric rods (61) are provided with two groups, the two groups of electric rods (61) are respectively arranged at two ends of the roll-over stand (2), movable plates (62) are fixedly arranged at telescopic ends of the two groups of electric rods (61) together, and a plurality of movable clamping blocks (63) are uniformly arranged on the movable plates (62).
  5. 5. The lithium ion battery welding fixture according to claim 1, wherein large positioning holes (801) are uniformly formed in the bottom support plate (8), and small positioning holes (802) are formed in the middle of the large positioning holes (801).
  6. 6. The lithium ion battery welding tool according to claim 1, wherein the feeding mechanism (9) comprises an electric rod three (91), the electric rod three (91) is provided with two groups, the electric rod three (91) is fixedly arranged on the positioning base frame (1) and distributed at two ends of the roll-over stand (2), the telescopic ends of the electric rod three (91) of the two groups are fixedly provided with supporting frames (92), the supporting frames (92) are fixedly provided with guide rails (93), the guide rails (93) are symmetrically provided with two groups of clamping plates (94), and the clamping plates (94) are slidably connected with the guide rails (93) and are provided with clamping grooves (901).
  7. 7. The lithium ion battery welding tool according to claim 6, wherein the support frame (92) is rotatably provided with a bidirectional threaded rod (95), the support frame (92) is provided with a servo motor (96) for driving the bidirectional threaded rod (95) to rotate, two groups of clamping plates (94) are symmetrically distributed based on the middle part of the bidirectional threaded rod (95), and the two groups of clamping plates (94) are provided with threaded holes in threaded connection with the bidirectional threaded rod (95).

Description

Lithium ion battery welding fixture Technical Field The utility model relates to the technical field of lithium ion battery welding, in particular to a lithium ion battery welding tool. Background With the continuous development of new green energy, new energy industry gradually forms a scale, and the coverage of lithium ion batteries used for consumer electronics and power energy is becoming larger and larger due to the advantages of high voltage, high energy density and the like, so that the lithium ion batteries are becoming more and more popular in daily life of people. At present, in the production of cylindrical lithium ion batteries, a plurality of battery cores and conductive aluminum bars are often welded in series to form a battery module, a plurality of battery modules are then connected in series to form a battery pack, the welding quality among the battery cores is an important factor for determining the stable operation of the battery pack, when the conventional welding technology adopts manual welding, the welding spot quality is unstable, the welding operation labor intensity is high, the laser welding is adopted in the production process of the cylindrical lithium ion batteries in the prior art, the welding quality at the moment mainly depends on the clamping of the cylindrical lithium ion batteries and the butt joint fixation of the conductive aluminum bars, and the welding fixture of the lithium ion batteries disclosed in CN219520980U at the prior art relates to the technical field of battery fixtures. The lithium ion battery welding tool comprises a mounting frame, a battery cylinder and a clamping structure arranged at the top of the mounting frame, wherein the clamping structure is mainly used for limiting and fixing a columnar lithium ion battery. Through placing the cylindric lithium ion battery that waits to weld in the inner wall of welding frock battery section of thick bamboo, then carry out the lock with apron and battery section of thick bamboo, then place the bar conductive aluminum row that waits to weld in the clamping structure groove, the one side and the electrode contact of lithium ion battery of bar conductive aluminum row this moment, then gather the motion to the direction that is close to the electrode hole through promoting the clamping structure, the telescopic cylinder of merger piece inboard end extrudees the spring column this moment, thereby realize carrying out the fixed effect of centre gripping to bar conductive aluminum row, and then reach the difficult purpose that deviates from battery electrode of bar conductive aluminum row, and can weld lithium ion battery in batches, the welding efficiency has very big improvement, it only can carry out welding clamping to the electrode of battery one end when using, can't carry out centre gripping welding to two electrodes of battery simultaneously, the electrode welding of the later stage other end need utilize another set of frock to carry out centre gripping again, make the welding efficiency of lithium battery low. Therefore, it is necessary to provide a new welding fixture for lithium ion batteries to solve the above technical problems. Disclosure of utility model In order to solve the technical problems, the utility model provides a lithium ion battery welding tool. The lithium ion battery welding tool provided by the utility model comprises a positioning base frame, wherein positioning presser feet are symmetrically arranged on the positioning base frame; The turnover frame is provided with a plurality of turnover frames, the turnover frames are uniformly and rotatably arranged on the positioning base frame, driving pieces for driving the turnover frames to turn are arranged on the positioning base frame, a plurality of battery drums are arranged on the turnover frame in an array mode, the battery drums are hollow, through holes are symmetrically formed in the middle of the battery drums, discharge grooves are formed in the middle of the battery drums in a penetrating mode, a fixed support is arranged on one side of the turnover frame, a movable support is arranged on the other side of the turnover frame, hydraulic cylinders are fixedly arranged at four corners of an inner cavity of the positioning base frame, and bottom supporting plates are fixedly arranged at telescopic ends of the hydraulic cylinders; the feeding mechanism is provided with a plurality of conductive aluminum bars for conveying and welding, and the feeding mechanism is erected above the corresponding roll-over frame. Preferably, the driving piece comprises a transmission gear, the transmission gear is fixedly sleeved on a rotating shaft of the roll-over stand, a rack plate is slidably arranged below the transmission gear on the positioning base frame, the rack plate is meshed with the transmission gear, and an electric rod I for driving the rack plate to slide is arranged on the positioning base frame. Preferably, the fixed support comprises