70results about How to "Reduce quality accidents" patented technology

The invention provides a floorboard nailing device which comprises a machine body, a conveying device, a sensing device, a positioning device, a nailing device body and a position regulation device. The conveying device, the sensing device, the positioning device, the nailing device body and the position regulation device are arranged on the machine body. The conveying device is used for conveying floorboards. The sensing device is used for controlling the conveying device. The positioning device is used for positioning and clamping the floorboards. The position regulation device is used for regulating the relative positions of the nailing device body and the floorboards. The floorboard nailing device can be used for completely replacing manual operation. Consequently, quality accidents caused by human factors are reduced, and investment of labor cost is also lowered. The floorboard nailing device is controlled by a computer program and can be perfectly connected with a device in a previous process and a device in a follow-up process in the operating process, so production efficiency is greatly improved. The floorboard nailing device belongs to the field of floorboard production technologies.

The invention discloses a bidirectional injection moulding method of stator rubber of screw drilling tools, which belongs to the technical field of stator rubber injection of screw drilling tools andcomprises the following steps: grit-blasting; washing and drying; brushing adhesive; assembling a mould core into an internal hole of a steel pipe; putting a stator and an injection moulding mould inan oven and heating; carrying out vacuum negative-pressure rubber injection from two ends to the center of the stator; sealing the stator and putting the stator in a vulcanizing boiler to carry out vulcanization; taking out the stator and cooling; disassembling screw nuts, end caps and shims used for positioning on two ends of the stator, and pushing the mould core out of the rubber layer of the internal hole of the stator so as to be disengaged. The rubber injection method from two ends to the center of the stator prevents rubber from pressing the mould core to cause linear deformation of themould core, fundamentally eliminates the wrapping extent and the core shift of the rubber layer hole in the internal hole of the stator, greatly prolongs the service life of the stator, reduces air bubbles in the rubber layer of the stator and defects on the surface, such as pits, flow marks and the like and increases the qualification rate. The method overcomes the defects of low speed and longtime of rubber injection.

The invention relates to a dynamic subsection control method of a tinned product annealing temperature. The dynamic subsection control method is characterized by comprising the following steps: 1, setting and calculating the temperature of a first heating section of strip steel in a furnace; and 2, setting and calculating the temperature of the nth heating section of strip steel in the furnace, wherein n is greater than 1. According to the technical scheme, the dynamic subsection type control thinking can be applied to the existing continuous annealing automatic control system, the strip steeltemperature and the heating temperature in the furnace are set in a dynamic subsection manner in the length direction of strip steel, the high-efficiency numerical computation method is adopted to apply the genetic factor of control of each section to the feedforward control of the strip steel, and the power of a radiant tube is subjected to dynamic fine adjustment through the feedforward calculation result to adjust the surface temperature of strip steel, so that the temperature control of the strip steel is more precise.

The invention relates to a converter oxygen gun/charging/temperature institution comprehensive simplified model system and an operation method. The operation method comprises the following steps: according to each chemical element, a temperature and a molten iron quantity of molten iron conditions, a waste steel number and influence of each external condition on the temperature, a target oxygen and tapping temperature is set according to a steel type terminal point, and various material quantities are predicted, calculated and added; when the predicted temperature is badly insufficient to influence the tapping temperature safety, the blowing flow and the waste steel are reduced for making up according to a difference between the predicted terminal temperature and a theoretic tapping temperature; and gun positions of oxygen guns are respectively calculated according to different slagging modes. The operation method is developed according to actual parameters of a converter technological process, is suitable for scene demands, is higher in practicability, is high in intelligent comprehensive degree, relieves the working burden of operators, and reduces quality accidents caused by manual calculation errors.

The invention discloses a concrete curing device and method in the technical field of concrete curing. The concrete curing device comprises a microwave oven body, wherein a control box is arranged at the right side of the microwave oven body; an inner furnace is arranged at the left side of the inner cavity of the microwave oven body; a cover door is hinged to the left side of the front surface of the microwave oven body; the cover door is lapped with the outer edge of the inner furnace; an observation window is embedded in the center of the surface of the cover door; and a power supply, a switch, a controller, a resistor element, a microwave generator, a temperature control switch and a heat dissipator are arranged in the control box separately. According to the concrete curing device and method, through a microwave curing test method, the curing speed is effectively increased; and moreover, the novel test method capable of achieving the design requirements of GB/T50080, GB/T14902 and GB/T50081 saves the space while increasing the working efficiency, saves the cost, and effectively reduces the occurrence of building concrete quality accidents.

The invention discloses a piece of combined insulator hardware and a production method thereof. A standard joint of the combined insulator hardware and a connection bar adopt a split type structure and are fixed together by friction welding. The connection bar and a seal-adhesive seat of the insulator adopt an integrated structure or a split type structure; the connection bar and the seal-adhesive seat are fixed together by friction welding if the connection bar and the seal-adhesive seat adopt a split type structure. The standard joint is a Y-shaped double-ear or a ball head or a ball socket or a U-shaped double-ear or a straight line shaped single ear or a hanging ring-shaped single ear. The production method is that: according to the application characteristics of the specific parts of the hardware, a piece of hardware is divided into two or three parts and respectively produced to satisfy different strength and hardness requirements; then all the parts are fixedly welded together by friction welding technique. By adopting the invention, industrialization of the production of the insulator hardware can be easily realized, product quality and qualified rate in production are enhanced, the working efficiency is improved, the management difficulty in production is reduced and good social and economical benefits can be achieved.

The invention relates to a device used to align, position and guide metal rolling element. Wherein, it comprise bank with guide plate with rolling element channel; the bank has cooling water open; the guide roller axle has oil let connected to oil ejector; the bank has at least a couple of crossed guide roller at 2aphla angle; two guide rollers with arc holes are inserted into the rolling element channel inclined, to form trapezium hole; when the rolling element is through said trapezium hole, the roller will align, clamp and correct the rolling element to vertically feed long axle into round hole or square hole. The invention has simple structure while it can reduce the impact of rolling element on guide roller and bearing, to prolong its service life.

The invention discloses a nailing device for a heated floor. The nailing device comprises a rack, wherein a lifting mechanism is arranged on the rack; a plurality of air guns with downward muzzles are arranged on the lifting mechanism; two parallel conveyor belts are arranged below the air guns; a lifting platform is arranged below and between the two conveyor belts; the lifting mechanism is composed of a hydraulic cylinder fixed on the rack; a lifting rod is arranged on a telescopic rod of the hydraulic cylinder; the air guns with downward muzzles are arranged on the lifting rod through a U-shaped connector; guide rods are arranged at the two ends of the lifting rod respectively and fixed to the side parts of the rack respectively; lower air cylinders are arranged at the two ends of the U-shaped connector respectively; a rubber cushion is arranged at the end part of a telescopic rod of each lower air cylinder; and an infrared sensor is arranged at one end part of the rack. The nailing device can realize automatic nailing, effectively ensures the quality of a floor and simultaneously improves the production efficiency.

The invention provides a continuous intelligent flexibility production method for woolen spinning and relates to an automatic production method. The continuous intelligent flexibility production method comprises a control unit, an oil centralized blending and conveying unit, a plurality of production units and a cone yarn packaging and storing unit, wherein each production unit comprises a cardingsystem, a combined spinning and winding system and a combined winding and twisting system; subsystems in each production unit have no intersection with subsystems in other production units; the control unit controls the oil centralized blending and conveying unit, the production units and the cone yarn packaging and storing unit for production. With the adoption of the method, continuous single-piece lean production is realized, logistics in a workshop is rapid, efficient and punctual, and material inventory of the workshop is reduced greatly. Quality problems are easy to find by single cheese flow in the processing process of the product, anomaly of a production line can be reflected in real time through data monitoring of a production and execution system of the whole production line, and the product can be traced in the whole process. A digital management mode for the workshop is realized, and synchronization and integration of logistics and information flow in the workshop are realized.

The invention discloses a production technology of a waterproof and heat-insulated integrated board. The production technology comprises the following steps of: firstly, compositing an enhanced isolating material at one side of a waterproof roll; pre-heating the waterproof roll composited with the enhanced isolating material by a pre-heating device; compositing an heat-insulated material at one side of the waterproof roll composited with the enhanced isolating material after pre-heating; and finally, covering another pre-heated waterproof roll on the surface of the heat-insulated material. By providing the enhanced isolating material at one side of the waterproof roll, not only can the bonding strength between the enhanced isolating material and the waterproof roll be enhanced, but also the waterproof roll and the heat-insulated material can be effectively isolated; the condition that the waterproof roll is contacted with the heat-insulated material for a long time to cause chemical reaction can be avoided; a plasticizer inside the roll is prevented from migrating; the quality of the product is ensured; a procedure of pre-heating the waterproof roll is added before the waterproof roll and the heat-insulated material are composited; and the phenomenon that a waterproof layer and an insulating layer are stripped after the board is molded can be avoided, and the performance and quality of the board are further improved.

The invention relates to a battery aluminum foil non-landing clean producing and packaging line. Original battery aluminum foil producing and packaging are completed through cooperation of multiple devices and multiple times of transportation over workshops, the production efficiency is affected, and the quality control cost is increased. The battery aluminum foil non-landing clean producing and packaging line is characterized by comprising a blank warehouse, a finished product warehouse, a slitting region, a producing region and a packaging region, wherein the slitting region and the producing region are oppositely arranged, and material transporting trolleys and unloading trolleys are arranged between the slitting region and the producing region and controlled by a master control room to move. The battery aluminum foil non-landing clean producing and packaging line has the beneficial effects that the manpower resource is reduced, and bumping damage, end face oil contamination and other quality accidents caused by human operation errors are also reduced; and the transportation time is shortened, the production benefits are increased, and meanwhile the quality accidents caused during transportation are avoided.

The invention discloses a cigarette making machine cigarette filter detection system which comprises a first optoelectronic switch, a second optoelectronic switch, a high-frequency signal processing module, a shaft encoder and a controller, the first optoelectronic switch is arranged at an inlet of a detection drum wheel and detects whether cigarettes exist or not, the second optoelectronic switch is a high-speed optoelectronic switch, is arranged in front of an inlet of a rejection drum wheel and is used for detecting the end face of a cigarette filter tip and generating a high-frequency electric signal, the high-frequency signal processing module is used for processing the high-frequency electric signal to obtain a level signal which can be identified by the controller, and the shaft encoder is coaxially connected with the detection drum wheel and is used for generating a phase signal according to the running position of the detection drum wheel; and the first photoelectric switch and the second photoelectric switch are positioned and detected. According to the cigarette filter tip detection system, the end faces of the cigarette filter tips are detected one by one in real time, cigarettes without filter tips and cigarettes inconsistent with a production mode are prevented from flowing into the next procedure, quality accidents are reduced, and consumption of raw and auxiliary materials is reduced.

The invention discloses a rapid positioning clamp for bearing base machining and belongs to the technical field of machining. The clamp comprises a circumferential positioning mechanism, a floating supporting mechanism, a positioning boss and a pressing plate mechanism, wherein the circumferential positioning mechanism, the floating supporting mechanism and the positioning boss are arranged on a bottom plate at intervals, the circumferential positioning mechanism is arranged on one side of the positioning boss and matched with the positioning boss to circumferentially fix the bearing base, thefloating supporting mechanism assists in supporting the bearing base, the positioning boss is T-shaped, the shaft portion of the positioning boss is sleeved in an inner hole of the bearing base, thestep face supports an end face of the bearing base, and the pressing plate mechanism is located at the top of the positioning boss and matched with the positioning boss to axially fix the bearing base. The clamp is advantaged in that the bearing base can be quickly positioned and clamped before being machined on a machine tool, and the clamp is reasonable in structure, accurate in positioning, easy to operate, high in efficiency, free of energy consumption, capable of improving part machining quality and capable of reducing production cost.

The invention discloses a component balance lifting device with an irregular inner chamber of a machine body, and relates to the technical field of machinery installation. The component balance lifting device with the irregular inner chamber of the machine body comprises an I-shaped sling, a connecting rod and the machine body, wherein lifting lugs are arranged at the two ends of the top of the I-shaped sling, and the inner parts of the two lifting lugs are fixedly connected with lifting ropes; the tops of the two lifting ropes are movably connected with lifting hooks, and the middles parts ofthe two lifting ropes are fixedly connected with level blocks; and a through hole is formed in formed in one side of the bottom of the I-shaped sling. The component balance lifting device with the irregular inner chamber of the machine body can improve the safety of unit installation and maintenance, reduce quality accidents caused by human factors, steadily improve the quality of unit installation and maintenance, and thoroughly solve the problem of time consumption and labor consumption during installation. Meanwhile, the working intensity is reduced, the waste of manpower and material resources is saved, the working efficiency can also be improved, and the unit installation and maintenance cost can be reduced.

The invention relates to an integrally-mounted bridge cable laying method. The method comprises the following steps: 1, hoisting and segmenting are carried out on a bridge by applying a pipeline comprehensive technology; 2, holes are formed in the corresponding positions of a top plate, and expansion bolts are installed; 3, connecting, segmenting and straightening of the bridge on the ground are carried out; 4, cable protection riding wheels are installed at the tail ends of the two sides of the head segment, a cable sliding supporting device is laid in the hoisting secondary segment bridge, and a cable horizontal laying restraining device is installed at the turning position; 5, cable laying is carried out, except formal cable fixing at the head segment of the hoisting, other segments alladopt cable temporary fixing devices; 6, the cable protection riding wheels, the sliding supporting device, a temporary restraining device, the temporary fixing devices and the like are disassembledand displacement installation work is completed; and 7, installation of the cable bridge of the vertical part at the tail end of the equipment is completed finally. The overall is enhanced after laying of the cable bridge and the cable on the ground, and the labor cost of cable laying and the aerial work risk are reduced.