Abstract: A film laminating apparatus and an electrode sheet processing device are disclosed. The film laminating apparatus includes a frame, a conveying mechanism, a mounting plate, and a plurality of film laminating mechanisms, the plurality of film laminating mechanisms being mounted on the mounting plate; the conveying mechanism being mounted on the frame and being capable of conveying an electrode sheet in a first direction into the film laminating apparatus; and the mounting plate being mounted on the frame and forming an included angle with the first direction. The plurality of film laminating mechanisms are tilted or vertically arranged relative to the conveying direction of an electrode sheet. The space occupied by the plurality of film laminating mechanisms, the size of the film laminating apparatus, the volume of the film laminating apparatus, and the space occupied by the film laminating apparatus in the conveying direction of the electrode sheet is reduced.

Abstract: A pressing plate structure includes a frame and a pressing block unit. The pressing block unit includes a first crimping portion and a second crimping portion fixedly connected to each other. The first crimping portion is movably disposed on the frame in a first direction to approach or leave an electrode assembly. The second crimping portion protrudes downward from the first crimping portion in the first direction. The second crimping portion is provided with a welding hole extending in the first direction. The second crimping portion is capable of being crimped onto a tab of the electrode assembly, and the welding hole exposes part of the tab.

Abstract: A material management method applied to a battery production line includes controlling, after a plurality of battery cells placed on a plurality of stations reach designated code scanning positions, a plurality of blocking devices to work in a first working state according to a predetermined sequence, thereby blocking identifications of the battery cells on the corresponding stations, acquiring code scanning results of a plurality of code scanning devices corresponding to the blocking devices for the identifications, respectively, when the blocking devices work in the first working state, and determining, according to the code scanning results, whether a binding relationship between the code scanning devices and the stations is abnormal.

Abstract: An anti-misplug detection mechanism may include: a plurality of first communication interfaces, and anti-misplug detection assemblies. The plurality of first communication interfaces may be used to be mutually plug-in connected to second communication interfaces on the code scanners one to one to form a plurality of code scanner plug-in assembly groups; and the anti-misplug detection assemblies may be arranged in groups with the first communication interfaces, and include a first matching structure, a second matching structure and a detector. The first matching structures and the first communication interfaces may be relatively fixed one to one, the second matching structures may be connected to the code scanners one to one through connecting elements, and a first mistake-proofing feature and a second mistake-proofing feature of the same group may be matched with each other.

Abstract: The present application relates to a pipe cleaner and a pipeline cleaning system, the pipe cleaner is applied to a to-be-cleaned pipeline, the pipe cleaner may comprise a body, and a cleaning portion may be arranged on the surface of the body; wherein the cleaning portion may be configured as a conductive structure, and when the body moves along the pipeline, the cleaning portion can push out dust particles in the pipeline to the tail end of the pipeline and guide out static electricity generated by friction with the pipeline.

Abstract: A welding clamp for use in battery manufacturing is described. The welding clamp includes a plurality of clamping portions used to fit and clamp a case of a battery cell, the clamping portion includes a body portion and a connecting portion, and the connecting portion is detachably connected to the body portion; and a wear-resistant layer is connected to a surface of the connecting portion facing the case. In the process of welding the case and the end cover of the battery cell, through fitting and clamping the case by the clamping portion of the welding clamp, the clamping portion can play a position-limit role to the wall of the case to relieve the deformation of the case during the welding process, thereby improving the welding quality of the case and the end cover and thus improving the production quality of the battery cell.

Abstract: A welding device includes a laser welding head and a cooling mechanism. The laser welding head is provided with a channel for laser to pass through, and the cooling device is arranged on a side wall of the laser welding head and configured to cool the laser welding head.

Abstract: The present application relates to a welding positioning apparatus, wherein a press head may be capable of pressing a first component against the second component, and dust generated during welding may be allowed to be collected in a dust collection chamber, and discharged to the outside of the welding positioning apparatus by an external dust extractor to keep the welding environment clean, thereby improving the welding quality.

Abstract: A back roller includes a roller body and a wear-resistant layer. The roller body has an axis and a roll surface disposed around the axis. The wear-resistant layer covers the roll surface. Vickers hardness (H) of the wear-resistant layer is 800 HV?H?1400 HV. The roll surface is covered by the wear-resistant layer, and the Vickers hardness (H) of the wear-resistant layer is controlled to be between 800 HV and 1400 HV, so that the roll surface is effectively protected, and wear resistance of the roll surface is improved. In this way, the wear-resistant layer is in direct contact with a material during operation, thereby effectively reducing an abrasion loss on the roll surface and extending the service life of the roll surface.

Abstract: A welding base includes a welding base body and a first action portion disposed on the welding base body. The first action portion is a ceramic member, and the first action portion and the welding base body are integrally formed. The welding base is disposed in an ultrasonic welding machine.

Abstract: This application relates to a mark quality inspection method and apparatus, a computer device, and a storage medium. The method includes: acquiring a marked-product image obtained by photographing a marked product upon completion of a marking operation on a product; performing image identification on the marked-product image to obtain a mark quality identification result of an identification code in the marked-product image; and outputting a first indication signal under a condition that the mark quality identification result is normal, where the first indication signal is used to indicate that the marked product flows to a process subsequent to the marking operation. In embodiments of this application, mark quality problems can be found in a timely manner, reducing cases of undesirable mark quality and defectiveness of mass-produced products.

Abstract: Disclosed herein is a scroll for scroll compressor, comprising an orbiting and a stationary spiral each composed of a spiral body and a base plate, in which one of the spirals is made of metal and the other is made of elastic and plastic material to provide a mutual axial and radial compensating effect. The use of elastic and plastic material for making one of the spirals allows the two spirals to contact each other surface to surface instead of linear contact, and provides a sealing effect due to deformation of the material caused by squeezing. These spirals can be formed by molding, eliminating the need of machining and surface hardening, and providing a hard oxidized layer on their surface. The use of hard material for a spiral and soft material for another spiral can lower the requirement for precision of geometric shape without loss in operating efficiency, and consequently lower their production cost.