31results about How to "Neat ends" patented technology

The invention discloses a coiling device for a non-woven fabric dying production line. The coiling device comprises a frame body, a coiling shaft, guiding grooves, baffles, bolts, a transmission mechanism, a misalignment prevention mechanism, a crimple prevention mechanism, a rebound prevention mechanism and a tensioning mechanism. The tensioning mechanism, the rebound prevention mechanism, the crimple prevention mechanism, the misalignment prevention mechanism and the transmission mechanism are sequentially installed on the frame body from front to rear. The front portion and the rear portion of the frame body are provided with the guiding grooves, the two ends of the coiling shaft can be connected with the guiding grooves in a sliding mode, the baffles are arranged on the guiding grooves, and the bolts are arranged on the baffles. Compared with the prior art, coiling of non-woven fabric can be good, compactness is good, two end faces are neat, crimples are avoided, the overall attractiveness and the coiling quality of the non-woven fabric are guaranteed, rebound of the cut non-woven fabric under the action of tensioning force is avoided, time can be saved, working efficiency is improved, slippage in transmission can also be avoided, and the transmission rate is guaranteed.

The invention relates to a rolling mill guide mechanism with the advantages that the combined fixation mode is adopted, the material position guide can be realized, the finished product rate of materials can be greatly improved, the waste of strip heads and strip tails of the materials is also reduced, and a large number of raw materials are saved. The rolling mill guide mechanism comprises a machine frame, wherein an upper clamping plate and a lower clamping plate are arranged between an upper cross beam and a lower cross beam of the machine frame, a left guide device and a right guide device are arranged at two sides of the upper clamping and the lower clamping plate, the upper cross beam of the machine is provided with a vertical position guide regulator, in addition, a regulating rod arranged at the bottom of the vertical position guide regulator passes through the upper cross beam to be connected with the upper clamping plate, and parts of the upper clamping plate and the lower clamping plate connected with the left guide device and the right guide device are provided with locking plates. The rolling mill guide mechanism has the advantages that 1, a position guide mechanism is applicable to the position guide of materials with different thicknesses, and in addition, the condition of vertical material jumping caused by the shaking generated during the rolling mill operation is avoided; and 2, the position guide mechanism is adopted, the tail parts of finished steel strips and the head parts of non-rolled materials are ensured to pass through a rolling mill for rolling, and the waste of raw materials is reduced.

The disclosure proposes a high-speed surface-embedded double-rotor axial flux permanent magnet motor, which includes: two rotors and a stator located between the two rotors; Air gap, the distance between the two air gaps is equal and the length can be adjusted axially according to requirements; the surface of the iron core of the rotor is inlaid with permanent magnets, and the permanent magnets are configured in a crescent state to realize the sine of the flux linkage and the back electromotive force. The motor adopts an axial magnetic flux structure, which has the advantages of high torque density, high power density, high efficiency and high integration. There is no axial magnetic pull on the rotating shaft, and the bearing is not affected by magnetic pull, which can effectively increase the reliability and mechanical life of the motor.

The invention relates to a method for controlling the rolling of an underfeed winder based on a mechanical CAD model. In the method, a simulation data curve which is highly close to the full range of the change of real object diameters is acquired at one time by utilizing CAD drawing simulation technology; a winder system is directly operated in an error controllable range according to simulationdata; and a diameter error of a corrected final finished product roll is less than 1 millimeter; the pressure control change of a paper roller is continuous and stable without sudden change; and the rolling quality of a finished product paper roll is stable. The method has the characteristics of low cost, simplicity, reliability, high operation speed, and stable and high quality of finished roll product.

The present invention relates to the technical field of concrete molding devices, in particular to a compact pipe-making device for concrete, which includes a pipe-making device. The output shaft end of the output shaft is provided with a rotating plate, and the two ends of the rotating plate are arranged in the frame body, and the rotating plate is connected with the frame body in rotation, and a square fixing frame is fixedly installed on the rotating plate, and a barrel , the barrel is connected with a control valve, a feeding pipe is arranged under the control valve, a speed controller fixedly connected with a fixed frame is fixedly connected to the lower end of the feeding pipe, the speed controller includes an outer shell, and the A shock tube device is installed under the outer casing; the device has a high degree of automation, which facilitates smooth exhaust, improves construction efficiency, and improves the quality of finished products.

The invention belongs to auxiliary equipment for anchor cable blanking and especially discloses an automatic anchor cable blanking machine. The machine comprises a pay-off spool, a tractor, a sawing machine and a discharge shelf which are communicated with an electrical control system and an air control system and are connected in sequence by a steel strand. The machine is characterized in that the pay-off spool holds the steel strand and is provided with a braking device at the bottom; a guide slot passing through the steel strand is arranged on the upper part of the sawing machine and is communicated with a guide block in a compressing device. A dicing saw controlled by hoisting a cylinder is arranged in the sawing machine at the lower end of the compressing device; a limit switch is communicated with an electrical control system of the sawing machine; and a clamping device, a pulling-off device and a turning plate controlled by the cylinder are arranged on the discharge shelf. The machine features simple and convenient operation, reliable property, accurate anchor cable length and neat end heads, thus being conductive to reducing the labor intensity of workers, reducing the quantity of saw blades of grinding wheels and ensuring production safety.

The invention provides a technical scheme of a combined die for terraced side punching. In the scheme, an upper die part comprises an upper die frame plate and an upper die fixing plate. A punch and an upper punching tool are fixed to the upper die fixing plate. The middle of the cutting edge of the upper punching tool is an inwards-concave first arc face. The two ends of the cutting edge of the upper punching tool are both inwards-concave second arc faces. A bevel inclining to the two ends from the middle is arranged between the first arc face and each second arc face. A lower die part comprises a lower die frame plate and a lower die fixing plate which is fixedly provided with two lower punching tools matched with the upper punching tool. The lower die fixing plate is provided with a punched hole and an upper punching tool guiding groove, and the punched hole and the upper punching tool guiding groove are matched with the punch and the upper punching tool. By using the combined die for terraced side punching, hole punching and cutting of a multi-curve-shaped terraced side can be completed at a time; due to the design of the cutting edge of the upper punching tool and the cutting edges of the lower punching tools, waste can easily fall out of a lower die after machining, and punching work efficiency is improved.

The present invention discloses a rigid coaxial cable stripping device and a cable stripping technology. The device comprises a pedestal, the pedestal is provided with a cable stripping machine tool,the main shaft end portion of the cable stripping machine tool is provided with a chuck, the upper portion of the pedestal is provided with a frame, the top portion and the side portion of the frame are provided with two guide rails in the main shaft direction of the cable stripping machine tool, the two guide rails are both respectively provided with sliding blocks, the sliding blocks are connected with a belt of a stepping motor at the end portions of the guide rails, the inner sides of the sliding blocks are fixedly connected with electric push rods, the end portions of the electric push rods are provided with a cable wiring knife and a cut-off knife, the knife surface of the cable wiring knife is parallel to the main shaft of the cable stripping machine tool, and the knife surface of the cut-off knife is perpendicular to the main shaft of the cable stripping machine tool. The cable stripping technology employs the rigid coaxial cable stripping device to perform stripping for a metal outer layer and a medium inner layer of the rigid coaxial cable so as to achieve the connection demand. The rigid coaxial cable stripping device and the matched cable stripping technology can effectively solve the problems that the knife is serious in wearing and the production efficiency is low when a current automatic cable stripping machine is employed for cable stripping and the qualified rate is low after cable stripping.

The invention relates to a plastic film with a layering control function and a preparation method thereof. The plastic film comprises a bonding layer, an easy-to-tear layer and a stripping layer, wherein the bonding layer is prepared from ethylene-acrylic acid copolymer or ethylene-methacrylic acid copolymer; the easy-to-tear layer is prepared from a blend formed by mixing ethylene-vinyl acetate copolymer, ethylene-methacrylic acid ionic polymer, poly-1-butene, silicon dioxide, beta-propionic acid octade, triphenyl phosphite, N,N'-ethylenebisoctadecanamide, 2,6-Di-tert-butyl-4-methylphenol, oleamide, triphenyl phosphate and oleyl palmitamide according to a certain weight ratio; the stripping layer is prepared from a blend formed by mixing ethylene-vinyl acetate copolymer, low-density polyethylene and a linear low-density polyethylene resin material according to a certain weight ratio. The plastic film with the layering control function ensures that an external sheath layer of an optical cable or an electric cable can be disengaged from the bonding layer and also ensures that a metal-plastic composite belt is free of moisture invasion.