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CN-122007620-A - Battery cell welding equipment with auxiliary feeding mechanism

CN122007620ACN 122007620 ACN122007620 ACN 122007620ACN-122007620-A

Abstract

The invention relates to the technical field of laser welding, in particular to a cell welding device with an auxiliary feeding mechanism, which comprises a base, two groups of tracks, two groups of mobile stations, a welding system and a fixed point system, wherein the device further comprises a conveying mechanism, two groups of feeding mechanisms and two groups of detection mechanisms, the conveying mechanism is arranged at the front side of the base and corresponds to the position right in front of the two mobile stations respectively, the two groups of detection mechanisms are arranged on the conveying mechanism respectively, and the high-automation and double-station intelligent scheduling of the whole process of cell welding is realized through the coordination and signal linkage of the conveying, detection, feeding and discharging mechanisms.

Inventors

  • LI BIN
  • DAI TIANTONG
  • ZHANG TAIYUAN
  • LI CHUANFEI

Assignees

  • 珠海市嘉德电能科技股份有限公司

Dates

Publication Date
20260512
Application Date
20260408

Claims (8)

  1. 1. The battery cell welding equipment with the auxiliary feeding mechanisms comprises a base (101), two groups of rails (102), a mobile station (103) which is respectively connected to the two groups of rails (102) in a sliding manner and can move in a self-driven manner, a welding system (104) which is arranged at the rear part of the base (101) and a fixed point system (105) which is arranged at the front part of the base (101), and is characterized by further comprising a conveying mechanism which is arranged at the front side of the base (101) and is used for conveying a die (001) loaded with the battery cell (002), two groups of feeding mechanisms which are arranged at the front side of the base (101) and respectively correspond to the right front sides of the two mobile stations (103) and are used for transferring the die (001) loaded with the battery cell (002) to the corresponding mobile stations (103), and two groups of detection mechanisms which are respectively arranged on the conveying mechanism and are used for identifying the welding state of the battery cell (002) so as to control whether the die (002) continues to move, when the battery cell (002) is identified as being welded, the battery cell (002) is released, and when the battery cell (002) is identified as being not welded; Each group of feeding mechanism comprises a mounting frame (201) which is transversely arranged on the conveying mechanism and is internally provided with a first control module, a movable seat (202) which is connected to the mounting frame (201) in a sliding manner along the front-rear direction, a picking and placing frame (204) which is arranged on the movable seat (202) and can vertically move under driving, suction cups (205) which are fixedly connected to the inner walls of two sides of the picking and placing frame (204), at least two suction cups (205) are respectively arranged on each side, an air source (206) which is fixedly connected to the picking and placing frame (204) and is in signal connection with the first control module, and a connecting pipe (207) which is fixedly connected and communicated between the air source (206) and the suction cups (205).
  2. 2. The battery cell welding equipment with the auxiliary feeding mechanism according to claim 1, wherein each group of feeding mechanisms further comprises an air cylinder (203), at least one screw rod (208), at least one screw rod, at least one first motor (209) and at least one first motor, wherein the air cylinder is fixedly connected in the movable seat (202) and is in signal connection with the first control module, the taking-placing frame (204) is fixed at the tail end of a telescopic rod of the taking-placing frame, the screw rod is rotatably connected to the top of the mounting frame (201) and is in threaded fit with the movable seat (202), and if the number of the screw rods (208) is greater than two, adjacent screw rods (208) are in transmission connection, and the first motor (209) is fixedly connected to the mounting frame (201), and the output end of the first motor is coaxially fixed with one screw rod (208) and is electrically connected with the first control module.
  3. 3. The cell welding equipment with the auxiliary feeding mechanism according to claim 2, wherein the conveying mechanism comprises a conveying table (301), at least three conveying rollers (302) and a second motor (303), wherein the conveying table (301) is fixedly connected to the front side of the base (101) in the left-right direction, side walls for limiting are arranged on the front side and the rear side of the top of the conveying table, the mounting frame (201) is transversely and fixedly connected to the conveying table (301), the conveying rollers (302) are rotatably connected to the top surface of the conveying table (301), the conveying rollers (302) are uniformly distributed in the length direction of the conveying table (301) and are in transmission connection, the second motor (303) is fixedly connected to the conveying table (301) and is in transmission connection with one conveying roller (302), and a guide surface (305) tapering inwards is arranged at the feeding end of the conveying table (301).
  4. 4. The die-bonding apparatus with auxiliary feeding mechanism according to claim 3, wherein each group of the detecting mechanism comprises a bracket (401) which is fixedly connected to the transport table (301) in a crossing manner and is positioned on the feeding side of the mounting frame (201) in the corresponding feeding mechanism, a detector (402) which is fixedly connected to the bracket (401) and is used for identifying the welding state of the die (001) passing below the bracket and is provided with a second control module in the detector (402) and is used for processing the detection signal and electrically connected with the first control module of the feeding mechanism, and a limiting plate (403) which is rotatably connected to the transport table (301) and is arranged on the discharging side of the mounting frame (201) and can be controlled to rotate by the first control module under the driving action so as to stop the die (001).
  5. 5. The die-bonding apparatus with an auxiliary feeding mechanism according to claim 4, wherein each group of the detecting mechanisms further comprises a transmission gear (404) fixedly connected to the outer side of the rotating shaft of the limiting plate (403), a guide bar (405) fixedly connected to the outer side wall of the transport table (301), a rack (406) slidably connected to the guide bar (405) and meshed with the transmission gear (404), and an electric control push rod (407) fixedly connected to the outer side wall of the transport table (301), the rod end of the electric control push rod is fixed with the rack (406) and can drive the rack (406) to move linearly, and the electric control push rod (407) is electrically connected with the first control module.
  6. 6. The die bonding apparatus with auxiliary feeding mechanism according to claim 5, wherein the transporting mechanism further comprises auxiliary rollers (304) rotatably connected to inner walls of the front and rear side limit walls of the transporting table (301) for reducing friction while limiting the front and rear positions of the die (001).
  7. 7. The battery cell welding equipment with the auxiliary feeding mechanism, as set forth in claim 6, further comprising a discharging mechanism arranged at the discharging end of the transporting mechanism for automatically separating and respectively guiding out the welded battery cell (002) and the bearing mold (001); The discharging mechanism comprises a separating table (501) fixedly connected to the discharging end of the conveying table (301), a discharging platform (502) fixedly connected to the front side of the separating table (501), a shovel plate (503) fixedly connected to the feeding side edge of the discharging platform (502), and a conveying belt group (504) arranged on the surface of the discharging platform (502).
  8. 8. The die-bonding apparatus with auxiliary feeding mechanism according to claim 7, wherein the discharging mechanism further comprises at least three sets of pressing rollers (505) rotatably connected to the separating table (501), equidistantly arranged along the length direction of the separating table (501), and synchronously rotated by driving connection between adjacent pressing rollers (505), a driving shaft (506) rotatably connected to the rear side of the discharging end of the transporting table (301) and in driving connection with one of the pressing rollers (505), and a gear set (507) comprising two gears meshed with each other, wherein the two gears are fixedly connected to the driving shaft (506) and the shaft end of one of the transporting rollers (302).

Description

Battery cell welding equipment with auxiliary feeding mechanism Technical Field The invention relates to the technical field of laser welding, in particular to a battery cell welding device with an auxiliary feeding mechanism. Background At present, the existing battery cell welding process comprises the steps that an operator sequentially loads a plurality of battery cells into a special die for fixing, then a conveying mechanism conveys the die loaded with the battery cells to a welding station, and the welding mechanism carries out centralized welding on the battery cells. In addition, by arranging a plurality of groups of dies and adopting an alternate operation flow, for example, the die of group A is used for welding, and the die of group B is used for feeding the electric core, and the error sequence parallelism of welding and feeding procedures is realized, so that the production beat is shortened as a whole, and the processing efficiency is improved. However, the above operation method has the problem that the operator is required to continuously follow the die circulation rhythm to accurately fill the battery cells in practical application, and long-time operation is easy to generate visual fatigue and operation negligence, so that the battery cells are not operated for welding operation, and once the battery cells cannot be timely found to flow into subsequent procedures, the battery cells cannot be normally processed, so that the product yield is directly affected, and additional screening procedures are possibly required to be added in a final link for checking and reworking, and the production cost and the management complexity are increased. Disclosure of Invention In order to overcome the drawbacks of the prior art, it is an object of the present invention to provide. Aiming at the defects of the prior art, the invention provides the cell welding equipment with the auxiliary feeding mechanism, which aims to realize automation of auxiliary feeding and reduce the dependence on the manual operation intensity and concentration degree, thereby further improving the product yield and the reliability of the production process while guaranteeing the welding safety and the efficiency. The battery cell welding equipment is characterized by further comprising a conveying mechanism, two groups of feeding mechanisms and two detection mechanisms, wherein the conveying mechanism is arranged on the front side of the base and corresponds to the position right in front of the two moving tables respectively and is used for conveying a die loaded with a battery cell, the two groups of feeding mechanisms are used for transferring the die loaded with the battery cell to the corresponding moving tables, and the two groups of detection mechanisms correspond to the two groups of feeding mechanisms respectively and are arranged on the conveying mechanism and are used for identifying the welding state of the battery cell so as to control whether the die continues to move or not, when the battery cell state is identified as welded, the battery cell is released, and when the battery cell state is identified as unwelded, the battery cell is intercepted; Each group of feeding mechanism comprises a mounting frame, a movable seat, a fetching and placing frame, sucking discs, an air source and connecting pipes, wherein the mounting frame is arranged on the conveying mechanism in a crossing mode, a first control module is arranged in the mounting frame, the movable seat is connected to the mounting frame in a sliding mode along the front-back direction, the fetching and placing frame is arranged on the movable seat and can vertically move under driving, the structure of the fetching and placing frame is in an inverted U shape, the sucking discs are fixedly connected to the inner walls of two sides of the fetching and placing frame, each side of the fetching and placing frame is provided with at least two sucking discs, the air source is fixedly connected to the fetching and placing frame and is in signal connection with the first control module, and the connecting pipes are fixedly connected and communicated between the air source and the sucking discs. As an improvement of the scheme, each group of feeding mechanism further comprises an air cylinder, at least one screw rod, a first motor and a first motor, wherein the air cylinder is vertically and fixedly connected in the movable seat and is in signal connection with the first control module, the picking and placing frame is fixed at the tail end of the telescopic rod of the first control module, the at least one screw rod is rotationally connected to the top of the mounting frame and is in threaded fit with the movable seat, if the number of the screw rods is greater than two, the adjacent screw rods are in transmission connection, the first motor is fixedly connected to the mounting frame, and the output end of the first motor is coaxially fixed with one screw rod and is