31results about How to "Neat ends" patented technology

The invention discloses steel rope processing equipment. Firstly, a steel rope is automatically conveyed by a steel rope feeding device; the front end of the steel rope is clamped by a front-end clamping rotary mechanism, and is rotated to an end part processing punch so as to be in butt joint and riveted with a screw; then, the steel rope is straightened by a steel rope length computing auxiliary mechanism, the length of the steel rope is computed by a counter, the steel rope feeding device and the steel rope length computing auxiliary mechanism stop when the length of the steel rope reaches designed length, and a steel rope cut-off device correspondingly cuts off the steel rope; the tail end of the steel rope is clamped by a tail-end clamping translation mechanism, and is moved to a processing punch on the other end part for being in butt joint and riveted with the screw; the middle part of the steel rope is clamped by a middle butt-joint mechanism, and is moved to a connecting plate processing punch so as to be in butt joint and riveted with a connecting plate, so that the finished product processing is completed; and in the whole processing process, only one person is required to operate and control, so that automatic production is realized, labor cost is reduced, the production efficiency is improved and the yield is increased, and therefore, the steel rope processing equipment is suitable for large-scale processing production.

The invention discloses an unwinding and winding device and a use method thereof. The unwinding and winding device comprises a winding platform mounted on a support. A gas-expansion shaft is rotationally mounted on the winding platform. The lower end of the gas-expansion shaft is connected with a driving shaft of a driving motor through a transmission device. In a deflated state, the diameter of the gas-expansion shaft is smaller than the diameter of a reel which is used for winding veneers, and after being inflated, the gas-expansion shaft can clamp the reel from the inner side and drive thereel and a winding shaft to rotate synchronously. The winding platform is provided with at least two ejecting blocks symmetrically arranged along the gas-expansion shaft, the ejecting blocks are arranged on the winding platform in a lifting mode, and the lower ends of the ejecting blocks are connected with telescopic rods of driving cylinders. The winding process in the last production stage of veneers is achieved through cooperation of a pressing plate and the gas-expansion shaft, so that obtained veneer rolls are orderly in end face; and moreover, wound veneer rolls can be scattered and thentidied again.

The invention relates to a technology for hot-melting edge cutting and splitting of mesh yarns, and a device of the same. According to the invention, the structure is simple and use is convenient; through the technology provided by the invention, automatic edge cutting and splitting of the mesh yarns can be carried out during unreeling; and a hot-melting cutter is used for the edge cutting and splitting, so former problems that fine filaments can be easily drawn out on mesh yarn edges and reeling off can take place easily after cold-cutter edge cutting and splitting can be avoided. The equipment adopts a friction rolling manner as well, so no fold and scratch will appear, end faces are orderly and the rolling surface has proper hardness during collection of a mesh yarn rolling material with a known width. In this way, the product rejection rate is greatly reduced; product quality is improved; and production progress is accelerated.

The invention relates to a large-diameter motor stator structure and a mounting method thereof. The stator structure comprises a yoke body, a plurality of tooth bodies connected with the yoke body, and an enameled wire windings winding around the tooth bodies. A plurality of clamp grooves are formed in the inner side surface of the yoke body; the rear sides of the tooth bodies are provided with clamp heads matching the clamp grooves; and the tooth bodies are clamped into the clamp grooves by the clamp heads and are connected with the yoke body. A blocking shoulder is arranged at each of the two sides of the rear sides of the tooth bodies; a blocking plate is arranged at each of the two sides of the front sides of the tooth bodies; winding slots are formed between the blocking shoulders and the blocking plates; and enameled wire windings wind around the winding slots. In addition, the mounting method includes: an enameled wire winding winds around each tooth body by a winding machine; the tooth bodies wound with the enameled wire windings are embedded into the inner side surface of the yoke body one by one; the clamp heads of the clamp bodies and the clamp grooves of the yoke body are clamped; and the multiple tooth bodies are distributed uniformly along the periphery of the yoke body. According to the invention, winding of the enameled wire windings becomes convenient; the windings are arranged in order; the winding becomes compact; the end part is small; the groove filling rate is high; the utilization rate of the enameled wire winding is high; the coil insulation layer is not easy to damage; and the reliability is improved.

The invention discloses a Li-ion battery separator slitting machine. The Li-ion battery separator slitting machine comprises an edge correcting platform mechanism, wherein a pneumatic shaft unwinding mechanism is arranged at the upper end of the edge correcting platform mechanism; the upper end at the right side of the pneumatic shaft unwinding mechanism is provided with a flaw detecting platform; the lower end at the right side of the flaw detecting platform is provided with a transition mechanism; the right end of the transition mechanism is provided with a winding mechanism; the winding mechanism comprises a winding rack; the upper end of the winding rack is provided with a winding main roller; the left side and the right side of the winding main roller are provided with differential slip ring locking devices; the winding main roller is provided with a separator back cutting-up mechanism and a separator front cutting-up mechanism; the lower end of the separator back cutting-up mechanism and the lower end of the separator front cutting-up mechanism are each provided with a roller main transmission mechanism; and the right side of the separator front cutting-up mechanism is provided with a circular knife hobbing device. The Li-ion battery separator slitting machine can achieve zero-tension unwinding, stable separator winding and regular end surfaces, and can eliminate wrinkle stripes on the surface of the separator, so that the slit and unwound separator is more flat in surface, and different needs of clients can be met, and therefore, the Li-ion battery separator slitting machine can be widely applied in the lithium battery industry.

The invention relates to a lattice brick for a blast furnace hot blast stove. The lattice brick is of a regular hexagonal prism shape in appearance, the vertical distances between two opposite side planes are 230+/-3mm, an intersected ridge between every two adjacent side planes of the prism is a transition circular arc surface tangent with the side plane, and diameters of side through holes are not smaller than the diameter of a central through hole; and six grooves penetrating through the central through hole and the side through holes are formed in each of the upper and the lower end surfaces of the prism, and the radiuses of the cross sections of the grooves are smaller than 7% of the diameter of the central through hole. The lattice brick has the advantages that the hole pattern is simple, and the structure is compact; furthermore, the stress concentration does not easily occur in the lattice brick, and the side surfaces and the end surfaces are regular and can be applicable to mutual staggered stacking; and the lattice brick is significant for reducing the fracture or interlayer slippage of the lattice brick caused by the stress concentration, prolonging the service life of the hot blast stove and improving the air supply quality of the hot blast stove.

The invention discloses a winding and unwinding device and a using method thereof. The winding and unwinding device comprises a winding platform mounted on brackets, an air swelling shaft is rotatablymounted on the winding platform, and the lower end of the air swelling shaft is connected by a driving shaft of a driving motor through a transmission device; and under the deflating state, the shaftdiameter of the air swelling shaft is less than the diameter of a winding drum used for winding wood veneer, after the air swelling shaft is inflated, the winding drum can be clamped from the inner side, and the winding drum and a winding shaft are driven to rotate synchronously. According to the winding and unwinding device and the using method thereof, the winding process of the final stage ofwood veneer production is achieved through cooperation of a pressing plate and the air swelling shaft, so that the end surface of an obtained wood veneer reel is neat, and the winding and unwinding device and the using method thereof can be used for rearranging the scattered and wound wood veneer reel.

The invention relates to an automatic conveying and trimming device for a plastic film roll. The device comprises clamping devices used for clamping a paper tube, a cutting device arranged above the clamping device, and a conveying device arranged between the clamping devices and used for conveying the film roll. The clamping devices comprise top shafts symmetrically arranged on the two sides of the conveying device and driving devices arranged behind the top shafts for driving the top shafts to advance or retreat; the positions of the top shafts correspond to the center of the paper tube, anddriven gears are arranged on the top shafts and driven by a transmission device to rotate. The paper tube is clamped by the clamping devices, the position of a blade is adjusted by a position adjusting device to achieve the cutting effect on the film roll, and the end face of the film roll is kept tidy. The top shafts can carry out self rotation while advancing or retreating, can drive the papertube to rotate together when clamping the paper tube, and are matched with a cutter to carry out proper position adjustment in the whole process, so that the automatic trimming work of the film roll is completed.

The invention discloses a regular winding device for a fire hose. The regular winding device comprises a base, a vertical plate, a rotating shaft and a mounting part. Multiple winding roller assemblies are arranged on the mounting part. Each winding roller assembly comprises a mounting arm, a first rotating roller and a second rotating roller, and the first rotating rollers and the second rotatingrollers are coaxial and are used for jointly winding the fire hose. The distance between two mounting arms is adjusted by an adjusting unit, so that the axial distances between the first rotating rollers and the second rotating rollers are adjusted to adapt to fire hoses with different widths. The regular winding device for the fire hose has the beneficial effects that the first rotating rollersand the second rotating rollers on the winding roller assemblies are used for jointly winding the fire hose, meanwhile, the multiple winding roller assemblies can rotate in the axial direction of therotating shaft through rotation of the rotating shaft, and therefore the winding roller assemblies in the idle state can be conveniently rotated to the proper position, and the fire hose can be conveniently wound on the winding roller assemblies.

The invention relates to a deckle edge pulp-scraping separating device. A blanket operation portion arranged on a paper-making technology section carries out edge cutting processing on a paper web running in the technology section. The device comprises two pulp-scraping wheels which are arranged on a transmission side and an operation side respectively, the contact portions between the pulp-scraping wheels and a blanket of the blanket operation portion are arranged at the positions of squirt cutting lines of cut edges of the paper web, the surfaces of the pulp-scraping wheels are in contact with the blanket, a roller is driven to move through the blanket operation portion, edges, on the blanket, of the paper web are transferred to the pulp-scraping wheels, and the edges of the paper web are cut through the pulp-scraping wheels. Compared with the prior art, the device can obviously reduce steam consumption, reduces the problem that paper pulp is stuck to the roller, improves appearance quality of primary rolling of the paper web rolled by a paper machine, and reduces or avoids the phenomena that during secondary rolling, end faces clamp paper edges and the paper is scrambled.

The invention aims to disclose a steel pipe cutting device which solves the problem that a cutting knife is severely abraded by means of an existing cutting mode. The steel pipe cutting device comprises a base. A connecting belt is tied on the left side of the upper surface of the base. The upper end of the connecting belt is fixedly connected with a first motor. The side face of the first motor is fixedly provided with a handle. The upper side of the first motor is provided with a first rotating shaft. A cutting disc is fixedly installed at the upper end of the first rotating shaft. A supporting rod is fixedly installed on the right side face of the base. A sleeve ring is welded to the top end of the supporting rod. A second rotating shaft is sleeved with the sleeve ring. A second motor is installed at the right end of the second rotating shaft. A support is fixedly installed between the second motor and the supporting rod. Under the driving of the second motor, a push plate can be used for grinding the inner wall of a steel pipe, then the steel pipe can be easily cut, the cutting disc is protected, and meanwhile a cut end face is neater.

The invention provides a medical spinal cord cutting device, which relates to a medical spinal cord processing device. The medical spinal cord cutting device comprises a scalpel formed with a C-shapedknife arm, the knife edge of the scalpel is formed at the recess of the knife arm and arranged along the arc of the knife arm, and the side wall of the spinal cord is arranged in the recess of the knife arm; And a holding mechanism including a first mechanism formed with a first recess; A second mechanism formed with a second recess, the second mechanism selectively engaging or disengaging with the first mechanism so that the first recess is engaged with the second recess to form a hole, and the spinal cord and the knife arm are retained in the hole; And a guide portion formed in the first mechanism and/or the second mechanism, wherein the scalpel is disposed in the guide portion, and the guide portion is used for guiding the knife arm to be disengaged from the holding portion from the lateral direction of the spinal cord to cut the spinal cord. The spinal cord was transected and the end face was very neat, which provided a very favorable guarantee for the follow-up spinal cord end fusion effect and recovery of spinal cord injury.

The invention discloses an airbag type constant-pressure tension platform, which belongs to the field of steel rolling machinery. The objective of the invention is to overcome the problem of nonuniform tension caused by tension establishment with pressure of upper and lower plates in the process of curling after slitting of sheet metal in the prior art. The airbag type constant-pressure tension platform is mainly composed of an upper pressing plate, a lower pressing plate and screwdown cylinders, wherein the screwdown cylinders apply pressure onto the upper pressing plate to tightly press a plurality of plate belts between the upper pressing plate and the lower pressing plate, so tension is established in the curling process of the plate belts. The airbag type constant-pressure tension platform is characterized in that an airbag is arranged below the lower pressing plate, and the lower pressing plate is formed by a plurality of sheets of piano type structures which are arrayed in parallel. According to the airbag type constant-pressure tension platform disclosed by the invention, tension adjustment and tension control become simple because of the designs of an airbag type structure and the piano type lower pressing plate, and the pressing force is uniform, so tension fluctuation caused by abnormal plate shapes and uneven thickness of strips can be compensated; and the tension of each strip tends to be consistent in the curling process, so the tightness degree of each coil of the strip is consistent, end faces of the strips are ordered, and defects of staggered layers and the like are reduced.