US 11,929,457 B2
Bolting device for manufacturing battery pack
Hyeong-Min Park, Daejeon (KR); Seok-Won Jeung, Daejeon (KR); Geon-Tae Park, Daejeon (KR); Jung-Ho Oh, Daejeon (KR); and Ju-Hwan Baek, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/051,393
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Dec. 12, 2019, PCT No. PCT/KR2019/017608
§ 371(c)(1), (2) Date Oct. 28, 2020,
PCT Pub. No. WO2020/153602, PCT Pub. Date Jul. 30, 2020.
Claims priority of application No. 10-2019-0010135 (KR), filed on Jan. 25, 2019.
Prior Publication US 2021/0046621 A1, Feb. 18, 2021
Int. Cl. H01M 10/04 (2006.01); B25B 21/00 (2006.01); B25B 23/00 (2006.01); B25B 23/10 (2006.01); H01M 50/213 (2021.01); H01M 50/244 (2021.01); H01M 50/249 (2021.01); H01M 50/271 (2021.01)
CPC H01M 10/0404 (2013.01) [B25B 21/00 (2013.01); B25B 23/005 (2013.01); B25B 23/105 (2013.01); H01M 50/213 (2021.01); H01M 50/244 (2021.01); H01M 50/249 (2021.01); H01M 50/271 (2021.01); H01M 2220/20 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A bolting device for manufacturing a battery pack provided with a pack housing having a box shape with an open upper portion and a module case accommodating a plurality of secondary batteries, the bolting device comprising:
an electric screwdriver provided with a rotation motor;
a driver bit connected to the rotation motor to enable a rotation movement and configured to rotate a bolt;
a bit guide member provided with a hollow tube such that the driver bit is inserted into an inside of the hollow tube to be movable; and
a guide jig provided with a main body configured to be mounted on an upper portion of the pack housing, the main body having a plate shape and comprising:
at least one through hole; and
a fixing member inserted into the at least one through hole and mounted therein, the fixing member comprising an insertion hole that is perforated such that the bit guide member is able to be inserted therethrough, and the fixing member protruding in a direction in which the module case is located.