65results about How to "Avoid defective rate" patented technology

The invention discloses a liquid crystal display and a method for detecting and eliminating residual shadows. The liquid crystal display comprises a driving circuit board, a grid driver and a detecting module, wherein the driving circuit board is provided with a direct-current power converter and a time schedule controller, wherein the direct-current power converter is used for receiving a power signal, and the time schedule controller is used for receiving an input signal; the grid driver is electrically connected with the direct-current power converter and the time schedule controller and also electrically connected on a panel; and the detecting module is electrically connected with the grid driver and used for detecting the power signal and the input signal. When judging that the power signal and the input signal are abnormal, the detecting module outputs an output pulse signal to the grid driver to eliminate residual shadows.

The invention discloses a stamping part stratified shelf for an automobile. The stamping part stratified shelf comprises a stamping part stratified shelf body and a stamping part stratified shelf positioning system. The stamping part stratified shelf body comprises a base, a lateral support assembly, a vertical support assembly, guide wheels and stand feet, wherein the lateral support assembly is arranged at the upper end of the transverse side of the base, the vertical support assembly arranged at the upper end of a vertical side of the base, and the guide wheels and the stand feet are arranged at the lower end of the base. By means of the technical scheme of the stamping part stratified shelf for the automobile, the operation of a mechanical arm is standard and accurate, moving and stacking of workpieces are ensured maximally, moving and stacking of automobile large stamping parts operated by the mechanical arm are ensured, the defective caused by workpiece deformation due to manual or mechanical carrying and moving is avoided, working efficiency is improved, and production cost is reduced.

The invention discloses an HSM manufacturing process for an arm rod of a carbon fiber mechanical arm. The method comprises the steps that firstly, heat self-expanding high-energy gel, fiber presoakedcloth and a pre-buried pipe are cut; the heat self-expanding high-energy gel wrapped pre-buried pipe is put into a core material mold; the mold is closed and heated to 80-100 DEG C, and the mold is maintained for 3-30 minutes at 80-100 DEG C; at the temperature, the heat self-expanding high-energy gel is micro-expanded in advance and is filled with the core mold cavity, and cooling demolding is carried out to take out the pre-shaped core material; then the fiber pre-soaked cloth wraps the pre-shaped core material, and a prefabricated part is obtained; the prefabricated part is put into a forming mold, the mold is closed and heated to the forming temperature of 120-180 DEG C, and the forming time is 10-60 minutes; and cooling and demolding is carried out, the part is taken out, and the armrod of the carbon fiber mechanical arm is obtained. The arm rod of the carbon fiber mechanical arm is large in bearing capacity and good in rigidity, and the self-weight is light; and the action is stable when the workpiece is grabbed, the moving speed is high, and the positioning precision is good.

The invention discloses a machining rapid punching machine which comprises a base; the bottom of the base is fixedly connected with a buffering device; a fixing device is arranged at the center of thetop of the base; the fixing device comprises two fixing columns; the bottoms of the two fixing columns are fixedly connected with the top of the base; a threaded rod is arranged on the fixing columnon one side; one end of the threaded rod penetrates through the fixing column, extends outside the fixing column and is fixedly connected with one side of a fixing plate; the two sides of the top of the base are fixedly connected with the bottom ends of two brackets correspondingly; the top ends of the two brackets are fixedly connected with the two sides of the bottom of a supporting plate; the bottom of the supporting plate is fixedly connected with the bottoms of a motor and a supporting block correspondingly; and a puncher is arranged at the top of the supporting block. The machining rapidpunching machine is simple in structure and convenient to operate, an instrument can be fixed effectively, the punching quality is guaranteed, and defective products are avoided.

The invention discloses a preparation method of cross-linked polystyrene with high light transmittance, and belongs to the field of cross-linking polymerization of polymers. The method comprises steps as follows: 1), a polystyrene solution is prepared and uniformly mixed with divinyl benzene in a certain proportion; 2), the mixed solution is subjected to freezing layer by layer and high-energy electron irradiation layer by layer; 3), later forming of a cross-linked polystyrene material is completed through a temperature control process. The method has the main characteristics as follows: a product is pure and transparent and doesn't have defects of bubbles, impurities and the like; 2) the cross-linking polymerization process is performed at an ultralow temperature, and the product qualification ratio is high; 3), the product has excellent light transmittance, stable dielectric property, higher processing mechanical property and the like.

The welding, grinding and polishing switching integrated machining robot comprises a base plate, a machining table is fixedly installed at the top end of the base plate, a mechanical arm is fixedly installed at the position, corresponding to one side of the machining table, of the top end of the base plate, and fixing side plates are evenly, symmetrically and fixedly installed at the top end of the machining table; a driving screw rod is rotatably mounted between the two fixing side plates correspondingly, and one end of the driving screw rod penetrates through and is fixedly connected with a first transmission assembly. The machining robot is scientific and reasonable in structure and safe and convenient to use, and through the arrangement of a driving motor, a driven gear, a sliding block and a sliding plate, the machining efficiency of the machining robot in use is improved; according to the machining robot, the overall economic benefit of workpiece machining is improved, by arranging a conduction sliding rail, a clamping screw rod and a movable clamping plate, the adjustability of the machining robot when the machining robot is used for machining workpieces of different sizes is improved, and the workpiece clamping efficiency of the machining robot is indirectly guaranteed.

The invention relates to an automatic circulation crushing device for solid waste treatment. The automatic circulation crushing device for solid waste treatment comprises a machine body, wherein a feed hopper is arranged above the machine body in a penetrating way; one end of the feed hopper penetrates through and extends into the machine body; a first crushing wheel is movably arranged in the machine body; a second crushing wheel is arranged on one side of the first crushing wheel; a first block rod is movably arranged under the first crushing wheel; and a second block rod is movably arrangedunder the second crushing wheel. The automatic circulation crushing device for solid waste treatment has the beneficial effects that crushing is carried out through the first crushing wheel and the second crushing wheel, so that the working efficiency of the automatic circulation crushing device for solid waste treatment is improved; filtering is carried out through a leakage net conveyor belt, so that the convenience and the automation in sieving semi-finished products are improved; and dedusting is carried out through a dedusting device, so that powder dust produced when the automatic circulation crushing device for solid waste treatment works is reduced, and the harm of the powder dust on working personnel is reduced.

The invention discloses a thin film transistor, a manufacturing method thereof, an array substrate and a display device, which belongs to the technical field of thin film transistors. The thin film transistor comprises a substrate, a gate electrode, a gate insulation layer and an active layer. The gate insulation layer comprises an inner defect prevention layer and an interface defect prevention layer, wherein the inner defect prevention layer is located between the interface defect prevention layer and the gate electrode; the inner defect prevention layer is used for reducing inner defects of the gate insulation layer; and the interface defect prevention layer is used for reducing defects of a contact interface between the gate insulation layer and the active layer. Through arranging the gate insulation layer in the above mode, the defect number of the inner part of the gate insulation layer and the defect number of the contact surface between the gate insulation layer and the active layer can be reduced, accumulation of carriers (positrons) inside the gate insulation layer and on the contact surface between the gate insulation layer and the active layer can thus be reduced, thin film transistor threshold voltage offset phenomena can be effectively reduced, and the defect rate of the thin film transistors is reduced.

An extruded rectangular aluminum panel without the need of shearing process and a fish reel part manufacturing thereof using the same are provided to improve the efficiency of manufacturing fish reel parts, such as a handle arm or a drag, from the extruded rectangular aluminum panel. CONSTITUTION: A method for manufacturing a fish reel part using an extruded rectangular aluminum panel (100) is as follows. A 7075 aluminum rod is put into an extruder. The melt of the7075 aluminum rod is extruded into a rectangular plate with a width of 55 to 150mm, a length of 1000 to 2000mm, and a thickness of 2.5 to 3.9mm. The extruded aluminum rectangular panel is pressed and cut by a press machine to obtain a handle arm or a drag.

The invention relates to a round bar heating and twisting system and a control method thereof. The round bar heating and twisting system is characterized by comprising a working platform (1), and a pushing mechanism (2), a bar temporary storage platform (3), a bar heating mechanism (4), a mechanical grabbing device (8) and a bar twisting mechanism are arranged on the working platform (1); the steps of pushing, feeding, heating, grabbing, twisting and the like of the round bar are sequentially realized; the twisting completion amount of the round bar in unit time is far larger than that of manual operation, the working efficiency is high, meanwhile, the defective rate and the error rate caused by excessive errors due to manual fatigue operation are low; meanwhile, the heating effect is effectively achieved through a mechanical device and a detection device, and the twisting precision is guaranteed.

The invention discloses a method for preparing a ping-pong bat through an HSM forming process. The method comprises the steps that thermally-self-expansion high-energy glue capable of being subjected to shaping pre-forming is placed in a product core material die and the die is tightly closed, the thermally-self-expansion high-energy glue capable of being subjected to shaping pre-forming is heated for 3-30 minutes at 80-100 DEG C, and micro-expansion is carried out, wherein a volume multiplying power before and after the micro-expansion is 1.01-1.5, a core material die cavity is fully filled with the thermally-self-expansion high-energy glue capable of being subjected to shaping pre-forming, cooling and die release are carried out, then the thermally-self-expansion high-energy glue capable of being subjected to shaping pre-forming is wrapped with a fiber prepreg and placed in a forming die, and the die is tightly closed, and the thermally-self-expansion high-energy glue capable of being subjected to shaping pre-forming is heated for 10-60 minutes at 120-180 DEG C, wherein the thermally-self-expansion high-energy glue capable of being subjected to shaping pre-forming continues to be heated to generate an expansion force from inside to outside, and the fiber prepreg is subjected to high-temperature curing forming; and cooling and die release are carried out, and a product is taken. The ping-pong bat prepared by the method disclosed by the invention is high in strength and low in reject ratio.

The invention relates to a high-frequency brazing system of a hexagonal handle twist drill and a working method thereof. The operation steps of hexagonal handle feeding, scaling powder feeding, flux feeding, twist drill bit feeding, rotation, heating, pressing and the like are realized in sequence through automatic control of the flow operation; the completed amount in unit time is far higher thanthat of the manual operation; the working efficiency is higher; the rejection rate caused by errors due to manual fatigue operation is prevented; the error rate is lower; and through mechanical devices, the welding effect is effectively achieved, and the welding precision is guaranteed.

The invention discloses an RC intelligent manufacturing production line for optical communication precision parts. The manufacturing production line comprises a detection unit, a movable tray unit, afixed tray unit, a cleaning unit, a conversion unit, a first numerical control machine tool, a second numerical control machine tool, a first robot, a second robot and a third robot, the mounting bases of the first robot, the second robot and the third robot are arranged in a triangular shape, the fixed tray unit is mounted in the taking and placing range of one side of the first robot, and the first numerical control machine tool is mounted in the taking and placing range of the other side of the first robot. The second numerical control machine tool is installed in the taking and placing ranges of the first robot and the second robot, the cleaning unit is installed in the taking and placing ranges of the second robot and the third robot, and the detection unit and the movable tray unit are installed in the taking and placing range of the third robot. The conversion unit is mounted in the triangular middle vacancy and in the taking and placing range of the first and second robots. According to the invention, perfect combination of continuous production without shutdown, working unit integration, accurate positioning intellectualization, processing and production flexibility, robotguarding unattended operation and overlapping of processing and auxiliary time is achieved.

The invention discloses a tension automatic control device of longitudinally wrapped wires, pertaining to the field of processing technology of electric wires and cables. The tension automatic control device of the invention comprises a tension sensor, a swing stem and a guide roll. The tension sensor is installed on a braider and provided with a first sensing pin and a second sensing pin which are electrically connected with a controller of the braider respectively by signal wires. The swing stem is connected on the tension sensor and a swing stem contact at the upper end of the swing stem is corresponding to the first sensing pin and the second sensing pin while the lower end of the swing stem forms a free end and is provided with a bending part on which the guide roll is arranged. The tension automatic control device of the invention has the advantages of ensuring that the longitudinally wrapped wires enter the braider to be outside conducting wires through lapping, namely outside the wire core, under the constant tension, thereby not only being beneficial to the avoidance of wasting the longitudinally wrapped wires, but also ensuring the consistent longitudinally wrapped pitch of the longitudinally wrapped wires so as to avoid the occurrence of the defect rate.

The invention relates to a preparing method of a high-strength fiber composite material. The preparing method includes the following steps of cutting, rolling, performing, forming and demolding. Fiber composite material cloth in use is at least one of carbon fiber composite material cloth and glass fiber composite material cloth, and a polymeric film in use comprises a high-temperature thermocuring resin film and a high-viscosity polymer composite material. The strength of a product can be effectively promoted after the prepared fiber composite material is formed. The forming process is easy to operate, high in efficiency and low in requirement for the technology of operators, and common personal can implement operation.

The invention relates to a method for combining a pot or kettle with a heating device, in particular to a method for combining the bottom of the stainless steel pot or kettle with an aluminum block and aluminum plate where an electric heating pipe or magnetic conductive metal is preformed. Mainly, the electric heating pipe or magnetic conductive metal wraps the aluminum block in a precasting mode, and then the pot or kettle which has already been heated to a set temperature and the aluminum block and aluminum plate are punched respectively at high speed and high pressure, so instant press-drawing is conducted between the bottom of the pot or kettle and the aluminum block, the aluminum block wrapped by the electric heating pipe or magnetic conductive metal can be closely combined with the bottom of the pot or kettle, speed is high, disengagement is avoided, lots of labor can be saved particularly, machining steps are simplified, and the aims of increasing the yield and saving energy can be achieved.