10results about How to "Improve rework efficiency" patented technology

The utility model belongs to battery processing technical field discloses a milling machine for battery module reconditioning, including frame, work platform, first fixed assembly and second fixed assembly. When battery module reconditioning, first place battery module on work platform, and make battery module side of first fixed assembly abut on first fixed assembly, then adjust second fixed assembly, make second fixed assembly move along first direction to the side close to battery module, and abut on the side of battery module away from first fixed assembly, so that battery module is fixed tightly along the two sides of first direction, convenient for milling cutter to remove the weld between conductive row and pole column, then, make second fixed assembly continue to move along first direction to the side close to battery module, make second fixed assembly extrude battery module, so as to extrude and remove steel band, do not need to carry battery module, reduce manual operation intensity, reduce the risk of battery module falling, improve the efficiency of battery module reconditioning.

The invention relates to microelectronic device detection and repair, in particular to a Mini LED defect positioning and repair method and system based on photo-thermal monitoring, and the method comprises the steps: obtaining a display circuit board, a high-resolution camera, a modulatable laser source, a thermal infrared imager and a repair tool head, and determining a plurality of brightness uniformity indexes and a rough position coordinate set based on an initial optical image set; performing temperature monitoring on the irradiated LED by using an infrared thermal imager to obtain a transient thermal response data set, performing thermal parameter extraction on the transient thermal response data set to obtain a peak temperature and response time, and determining a defect score based on the rough position coordinates, the plurality of brightness uniformity indexes, the initial optical image set, the peak temperature and the response time, and determining a plurality of repaired LEDs based on the display circuit board, the plurality of defect scores, the defect label set and the repair tool head, and completing Mini LED defect positioning and repair. According to the invention, the accuracy of positioning the Mini LED with the defect can be improved, and the repair efficiency is further improved.

This invention discloses a repair method for porosity defects in U-rib internal welds. For full penetration fillet welds, where the U-rib has no beveling before welding, and both the initial internal and external welds between the U-rib and the panel are performed using submerged arc welding, the method includes: (1) locating the location and distribution range of porosity defects in the internal weld area through weld flaw detection; (2) using submerged arc welding wire to reinforce the porosity defect area to eliminate most of the porosity; (3) performing weld flaw detection again to determine the distribution of remaining porosity defects; (4) using air gouging to remove residual defects in the area corresponding to the remaining porosity defects on the outside of the U-rib; (5) using flux-cored welding wire to perform repair welding in the air-gouged area on the outside of the U-rib; (6) re-inspecting the weld. If porosity defects are still present, return to step (4) until flaw detection confirms the absence of porosity defects, thus completing the repair work. This invention can efficiently and effectively repair porosity defects (especially dense porosity defects) in U-rib internal welds.

A ball pulling device for lithium battery production and repair belongs to the technical field of lithium battery production. The upper end of the inner side wall of the battery limiting box is a wedge-shaped surface, and the lower end of the inner side wall of the battery limiting box encloses a placing space and is inserted into a battery. The upper end of the supporting column is connected with one end of the positioning rod in a limiting mode. The other end of the positioning rod is spot-welded. And the using end of the spot welding head corresponds to a battery liquid injection hole. A limiting block is arranged at the lower end of the supporting column, a hemispherical clamping block is arranged at one end of the limiting block, a clamping groove is formed in the battery limiting box, and the hemispherical clamping block is in interference clamping connection with the clamping groove. The outer wall of the battery limiting box is provided with connecting lugs, and the connecting lugs are coaxially arranged and fixedly connected through a shaft rod inserted into the connecting lugs. According to the utility model, the stable clamping and positioning of the battery cell are realized, and the quality fluctuation caused by insufficient operation stability is eliminated; and the spot welding head is limited and positioned, so that accurate alignment of the spot welding head and a battery cell liquid injection port is ensured, and the problem of reaming out-of-round caused by alignment deviation is solved.

The invention provides a battery string repair method, a battery string and a photovoltaic module, which can be widely applied to the photovoltaic technical field, and the method comprises the following steps: cutting off a bad battery piece and a welding strip between two normal battery pieces connected with the bad battery piece; removing the bad battery piece from the first position of the battery string; and placing the qualified battery piece welded with the welding strip at the first position, and connecting the qualified battery piece with the normal battery piece through an electric connecting piece. According to the invention, the solder strip between the bad cell and the normal cell is directly cut off, so that the problem that the solder strip is difficult to separate in the prior art is solved; according to the invention, the unqualified battery piece is replaced by the qualified piece welded with the welding strip, and the qualified battery piece and the normal battery piece are connected through the electric connecting piece, so that the rewelding difficulty is reduced, and the rewelding effect and the repair efficiency are improved.

The utility model relates to a repair grinding machine for a display panel. The repair grinding machine comprises a machine head, a gluing assembly and two clamping blocks. The machine head comprises a shell, a new belt wheel disc, a waste belt wheel disc and a grinding belt, the new belt wheel disc and the waste belt wheel disc are arranged on the shell at intervals in the horizontal direction, and the two ends of the grinding belt are wound around the new belt wheel disc and the waste belt wheel disc respectively. The two clamping blocks are arranged in a spaced mode in the horizontal direction, at least one clamping block is movably arranged so that the two clamping blocks can be close to each other or away from each other, and air suction holes used for adsorbing the grinding belt are formed in the clamping blocks. The gluing assembly is movably arranged between the two clamping blocks and used for gluing the grinding belt adsorbed to one of the clamping blocks. And when the belt is broken, the clamping block and the gluing assembly are utilized for automatic splicing, manual disassembly and maintenance are avoided, the shutdown maintenance time is shortened, and then the repair work efficiency of the whole repair grinding machine on the display panel is improved.

The present application relates to the technical field of Mini-LED chip detection, and a Mini-LED repair method and device based on automatic optical detection, comprising: performing Gaussian filtering on an optical chip image to obtain a filtered chip image, training a neural network based on an original chip image set to obtain a defect area detection model, detecting the filtered chip image according to the defect area detection model to obtain a defect image area group, if the defect image area group is not an empty set, recording the product to be repaired as a repairable product, performing local contrast enhancement on the filtered chip image to obtain a target chip image, performing single chip recognition on the target chip image to obtain a single chip area set, identifying a chip area group to be repaired according to the single chip area set, and generating a repair opinion report based on the chip area group to be repaired. The present application can improve the accuracy of Mini-LED product defect detection and reduce the labor consumption of Mini-LED products.

The utility model relates to connector shell processing tool technical field, especially to a kind of multi-station clamp for connector shell processing.The utility model provides a kind of multi-station clamp for connector shell processing, solve the technical problem that the connector shell in prior art is low in repair efficiency when there is no special fixture for the connector shell.A kind of multi-station clamp for connector shell processing, including base;Clamping cylinder, the clamping cylinder is rotatably connected in the base;Clamping cylinder is uniformly provided with a plurality of clamping grooves along the circumference, and each clamping groove corresponds an independent clamping block.Operating can simultaneously clamp multiple connector shells, greatly improve repair efficiency.Screw stud and nut cooperation in drive assembly, through the transmission of connecting rod, so that all clamping blocks can be simultaneously close or away from clamping groove.This design is not only simple to operate, but also ensures that each connector shell can be evenly, stably clamped.

The application relates to the technical field of laser detection devices, in particular to a laser detection type damper cylinder inner and outer diameter detection device and method, the detection device comprising a detection table, a fixing component and a detection component; wherein the fixing component is arranged on the detection table and is used for fixing a damper cylinder to be detected; the detection component comprises a detection seat, an outer diameter detection part and an inner diameter detection part, the detection seat is movably arranged along an X direction relative to the damper cylinder to be detected, the outer diameter detection part is a laser diameter detector, and the inner diameter detection part comprises an external part and an internal part. The outer diameter detection part and the inner diameter detection part are integrated on the detection seat, so that the inner and outer diameters of the damper cylinder to be detected can be synchronously detected, and the detection efficiency is effectively improved; and in the detection process, when the inner diameter does not meet the requirements, the inner diameter detection part can automatically mark the detected position, so that an operator can quickly judge the position of defects, and the repair efficiency is improved.

This invention discloses a method and apparatus for reworking solder balls in BGA products. The method includes: attaching cutting adhesive tape to the bottom surface of a fixture and placing IC chips into the fixture; removing solder balls from the IC chips using a cutting machine; replacing the cutting adhesive tape on the fixture with high-temperature adhesive tape; placing the fixture into a ball-mounting machine to re-mount the IC chips; and performing reflow, cleaning, and drying on the re-mounted IC chips. This invention achieves automatic solder ball removal by combining a fixture and a cutting machine, avoiding defects such as insufficient solder removal, exposed copper, and rosin residue on IC chips, thus improving the success rate of IC chip rework. It also enables batch rework of IC chips and improves the rework efficiency.