30results about How to "Avoid abnormal quality" patented technology

The invention provides a method for recycling and regenerating PCB (Printed Circuit Board) acidic and alkaline etching waste liquid. The method comprises the following steps: feeding acidic and alkaline etching waste liquid and an alkaline extracting agent into a centrifugal extraction system under the driving of power in a ratio of 1:4, and mixing, agitating and separating, wherein copper ions of the separated etching liquid are reduced to be lower than 50g/L and thus the acidic and alkaline etching waste liquid is regenerated; blending the regenerated acidic and alkaline etching waste liquid and returning back to a production line for cyclic utilization; after separating, feeding the extracting agent into a centrifuging water washing groove; after washing with water, feeding the extracting agent into a centrifugal backwashing groove, mixing with 190g/L dilute sulfuric acid and stirring so that the extracted copper ions are converted into copper sulfate; conveying the copper sulfate into a centrifugal electrolysis system, and producing a pipe type electrolysis copper pipe under the effect of direct current, wherein the copper content of the copper pipe is 99.95%; and after backwashing, conveying the extracting agent into an extracting agent chamber for cyclic utilization. With the adoption of the method, the problems in the prior art that the extracting agent is easy to lose, sulfate ions easily enter regenerated liquid, an electrolytic bath is likely to generate short circuit in the operation process, the occupied area of equipment is large can be solved.

The invention provides a multichannel calibration and verification device and method for multiple sections of electric-quantity management ICs. The method mainly controls a plurality of channel test boards through a main control board to test the multiple sections of electric-quantity management ICs and in a test process, a localized closed-loop correction method is adopted to calibrate voltage and current precision of the multiple sections of electric-quantity management ICs. Moreover, through adoption of a channel self-detection module, precision calibration is carried out on cell boards and current boards of the channels of the device so that precision calibration of a voltage and current reference source of the device is realized and stability of the reference source of the device is ensured. The method also uses a channel combination module according to practical needs to combine the plurality of channels into large channels so as to meet test demands of the multiple sections of electric-quantity management ICs. The method uses a method of using the plurality of channels to carry out parallel tests simultaneously so that test efficiency of the multiple sections of electric-quantity management ICs is improved, expandability of the multichannel calibration and verification device is strengthened, demands that users configure the channels flexibly according to practical conditions can be met and user use cost is reduced.

The invention provides a positioning pin mechanism, a substrate conveying device and a substrate conveying method. The positioning pin mechanism comprises a positioning pin and a cylinder driving thepositioning pin to move; the cylinder comprises an obliquely arranged cylinder body and a piston rod telescopically arranged in the cylinder body, and therefore the positioning pin can be driven by the cylinder to shift in the horizontal direction and the vertical direction at the same time, the design cost can be reduced, and it can be effectively avoided that in the substrate positioning process, because the positioning pin abrades and scratches a substrate, quality abnormity is caused.

The invention is suitable for the technical field of automatic packing, and provides automatic packing equipment of a vibrating diaphragm. The automatic packing equipment comprises a frame; a vibrating disc is arranged on the frame; multiple slide ways are formed in a discharge port of the vibrating disc; guide plates capable of sliding are arranged below each slide way; at least two guide holes are formed in the guide plates; limiting grooves are formed in the lower part of each guide hole; the tops of packing pipes are sleeved in the limiting grooves; an elastic bracket is arranged on the frame below the packing pipes; and the elastic bracket supports and guarantees the tops of the packing pipes to be sleeved in the limiting grooves. The automatic packing equipment realizes automatic arrangement and automatic packing of the vibrating diaphragm through the setting of the vibrating disc and guide devices, is additionally provided with counting and warning devices, is simple in structure and convenient to operate, improves the production efficiency, and prevents the generation of quality abnormality.

The invention provides current calibration equipment and a method for charge management ICs. The current calibration method of charge management IC comprises the following steps: setting a three-dimensional coordinate axis; defining plane coordinate values on every charge management ICs on testing clamp components and height coordinate values generated during rising and downward pressing a longitudinal cylinder, wherein a logic controller drives a transversal cylinder to move according to calculated space coordinate values and a certain intervals of speed and period until the most front row of the charge management ICs are positioned under testing needle components, and the longitudinal cylinder drives the testing needle components to be pressed downwards automatically and be in contact with testing points of the most front row of the charge management ICs sufficiently to calculate current precision signals of the charge management ICs with charging protection, then, the transversal cylinder moves continuously until the next row of the charge management ICs are positioned under the testing needle components; repeating the testing steps till all of the charge management ICs are tested. According to the testing manners, the stepping type and the multichannel type are adopted, so that the degree of automation of the testing equipment is improved, and the production cost and the operation labor intensity are lowered.

The invention relates to a method for producing a single PCS substrate by UV laser cutting. The method comprises the following steps: (1) selecting a specific fixture board basal plate; (2) drilling a first hole and a second hole in the fixture board basal plate; (3) performing primary depth-controlled milling in the fixture board basal plate to obtain a first milling groove; (4) performing secondary depth-controlled milling in the fixture board basal plate to obtain a second milling groove; (5) milling the periphery of the fixture board basal plate to obtain a fixture board finished product; (6) fixing a cut substrate on the fixture board, and positioning a single PCS substrate in the first milling groove and the second milling groove; (7) correcting the energy of UV laser equipment to position a cut substrate; and (8) performing UV laser treatment on the cut substrate to obtain a single PCS substrate, taking the substrate and placing. By adopting the method, the equipment utilization rate can be improved, the capacity and quality can be improved, and the cost can be reduced.

The invention provides a silicone strip anti-falling device and a laminating machine. The device is used for the laminating machine. A bearing component is included. A first end of the bearing component is provided with a first chamber with an open end and second chambers. The first chamber is used to install a first silicone strip. There are two second chambers, the two second chambers are arranged on two sides of the first chamber, and the two second chambers are used for fixing two side edges of a second silicone strip. The silicone strip anti-falling device can fix the two silicone strips,and the second silicone strip can wrap and fix the first silicone strip, which effectively avoids a problem that the silicone strip falls off after a surface is aged due to increase of a service cycle so as to cause the components to appear air bubbles and abnormal quality.

The invention relates to a detection device and orthobaric equipment. The equipment comprises a working platform which is used for bearing a to-be-pressed part, an orthobaric mechanism which is arranged above the working platform, a buffer component which is arranged between the working platform and the orthobaric mechanism, a detection device and a control device, wherein the detection device comprises a light source and a light sensing unit, the light source is located on one side of the buffer component and used for emitting detection light irradiating the pressing area of the buffer component, the light sensing unit is located on the side, deviating from the light source, of the buffer component and used for sensing detection light, the control device is coupled to the detection deviceand the orthobaric mechanism, and the control device is configured to control the orthobaric equipment to be switched between the machining state and the shutdown state according to the detection result of the light sensing unit. According to the orthobaric equipment, if the buffer component after being pressed is broken, the detection light emitted by the light source irradiates the light sensing unit through the gap generated after the buffer component is broken, the orthobaric equipment can stop running according to the detection result of the light sensing unit, and large-scale quality abnormity is avoided.

The invention discloses a quality abnormality detection method applied to character jet printing machines, and relates to the technical field. According to the method, character lines which are located in X and Y direction of a printed character are designed at a PNL plate edge remainder place; the character lines respectively penetrate through the whole printing surface; before normal charactersare produced, the character lines are firstly printed to recognize whether the ink jet points are normal or not; at a place which is 2-6 mm away from the felling of a semi-finished product, all the jet nozzles are enabled to jet ink for one time, so as to determine whether the ink jet points have the conditions such as deviation, ink scattering and ink throwing or not; at an ink jet recognition place, namely, the character lines, abnormal ink points of all the ink nozzles are displayed; when the ink jet recognition place is normal in position, the place quality is normal; and when the ink jetrecognition place is abnormal in position, the whole line in the ink jet direction of the plate is abnormal and the phenomena such as ink scattering, deviation and non-curing occur. According to the method, ink jet recognition points are designed to facilitate the production inspection and automatic equipment recognition, thereby greatly enhancing the inspection efficiency and recall factor; and judgement can be carried out for the first time when the equipment is abnormal, thereby avoiding the occurrence of the condition such as quality abnormality.