62results about How to "Efficient shearing" patented technology

The invention relates to a manufacture method for three-dimensional reinforced warp knitted spaced fabric, and the warp knitted spaced fabric is produced on a modified double tricot raschel machine with full weft insertion devices. A main body of adopted raw materials is tows of high-performance fiber such as fiber glass, carbon fiber, aramid fiber, ultra high modulus polyethylene and the like. The manufacture method comprises the following steps: introducing high-performance fiber inserted weft yarns on the whole width of the machine in the X-axis direction through two weft insertion devices arranged on the front and the back of the machine; introducing high-performance fiber inserted warp yarns in the Y direction through guide bars; binding and fixing the inserted warp yarns and the inserted weft yarns through chain stitch or tricot stitch of common or high strength synthetic fiber filament yarns; adopting the high-performance fiber on upper and lower surface layer connecting yarns, ensuring the distance of 5 to 6 cm between the two surface layers, and providing reinforcing fiber in the Z-axis direction; and designing raw materials, densities, arrangement modes and interlayer thickness of the inserted warp and weft yarns of the surface layers and interlayer connecting yarns according to the requirements to form three-dimensional mesh structures with different mesh sizes and specifications. The manufacture method is characterized in that the high-performance fiber is extended and arranged in three-dimensional directions so as to overcome the defects and disadvantages of the prior spaced fabric taken as a reinforced material, and the manufacture method provides an ideal three-dimensional reinforced fabric for production of composite boards with good tensile, bending, shearing and compression properties and shock resistance.

Method and apparatus for controlling acoustic treatment of a sample including a liquid. A processing volume in which the sample is acoustically treated may be controlled, e.g., by positioning a suitable element so as to reduce and/or eliminate a headspace at a sample/gas interface. An interaction between the acoustic energy and the sample may be controlled, e.g., by using an energy director positioned at least partially in the sample that helps to reduce splashing or other sample ejection that would otherwise occur.

The invention relates to self-adhesion waterproof rolls used for a road bridge. The self-adhesion waterproof rolls used for the road bridge comprises, by weight, 40-60 parts of asphalt No.90, 10-20 parts of softening oil, 3-10 parts of styrene-butadiene-styrene block copolymer, 2-5 parts of butadiene styrene rubber, 3-8 parts of reclaimed polypropylene, 0.5-3 parts of high temperature modifier, 5-15 parts of rubber powder and 25-40 parts of stuffing. The self-adhesion waterproof rolls used for the road bridge has excellent high-and-low temperature resistance performance, is imperious, impact-proof, anti-shearing and large in bonding strength, and has self-healing creep performance. Fire baking is not required in construction, cold construction is adopted, the construction method is simple, and the construction efficiency is high.

The invention discloses a stirring system at the bottom of a reaction kettle, which can be widely applied to the processes of shearing, emulsification and homogenizing in media of petroleum trade, chemical industry, pharmaceuticals industry, food service industry, etc. The reaction kettle is internally provided with an air guide sleeve the upper end and the lower end of which are both open. The lower part of a stirring device in the air guide sleeve is provided with a transmission device which is fixed at the bottom of the reaction kettle. Cartridge and combined mechanical seals are arranged between the bottoms of the transmission device and the reaction kettle, and the transmission device is connected with a power output shaft of a speed reducer while a power input shaft of the speed reducer is connected with a motor. With the respect to the problem of the over-length of stirring shafts in the general jacking structure adopted, the stirring system of the invention can greatly shorten the length of the stirring shaft and ensure the stable operation and that a rotating shaft bears small subsidiary stress, thus providing comparatively favorable application environment for sealing.

The invention provides a rotary cutting edge mounting structure for crusher and a crusher using such mounting structure, wherein the cutting edge portion is produced with a small size to improve the utilization ratio of resources, reduce the material cost of the cutting edge portion and allow the rotary cutting edge to be mounted on a rotor detachably conveniently. The crusher comprises a rotary rotor, a plurality of rotary cutting edges mounted on the surface of the rotor, and fixed cutting edges arranged on a housing to shear and crusher the crushed material between the rotary cutting edges, wherein the rotary cutting edge mounting structure for crusher comprises a plurality of mounting grooves processed on the surface of the rotor and provided with an even surface on bottoms thereof, wherein the rotary cutting edges are mounted on the inner side of the mounting grooves; the bottom surfaces of the rotary cutting edges are formed as even surfaces, and the rotary cutting edges are provided with a cutting edge portion for shearing and crushing the material to be crushed; the cutting edge portions are substantially triangle-shaped on front side faces formed as front sides thereof relative to the rotating direction of the rotary cutting edges.

The invention discloses a forming method for a large aluminum alloy die-casting fitting. First, an upper die forming region is machined on an upper die, and a low die forming region is machined on a lower die; an auxiliary cavity is machined in the position, corresponding to the lower exposed face of the die-casting fitting, of the parting face of the lower die, and an auxiliary ejector rod is arranged in the auxiliary cavity; when the upper die and the lower die are closed, the upper die forming region and the lower die forming region jointly construct a cavity of a die-casting die, a die-casting fitting is formed inside the cavity, and an auxiliary forming portion connected with the edge of the die-casting fitting is formed inside the auxiliary cavity; then, an ejector rod arranged on the lower die and the auxiliary ejector rod push the die-casting fitting and the auxiliary forming portion to move together, so that the die-casting fitting is separated from a cavity core; the die-casting fitting with the auxiliary forming portion is taken down, and the complete die-casting fitting can be obtained after the auxiliary forming portion is removed through a cutting device. The unbalanced stress when the product is ejected out can be effectively improved, in this way, deformation generated when the product is ejected out is avoided, and the forming quality of the large die-casting fitting is easily improved.

A gate valve assembly having a through bore adapted for fluid communication with a well bore and prepared for receiving an elongated member. The gate valve assembly comprises a gate element which is movably arranged in a gate valve housing, wherein the gate element has a gate bore arranged for receiving the elongated member, wherein a cutting tool is arranged in the gate bore first and second seats, wherein at least one of the first or second seat is arranged to provide sealing contact with a sealing surface of the gate element. A support member arranged with an opening encompassing the through bore and an expanded opening portion which is open to the through bore in the axial direction of the through bore, wherein a reduced section of the support member defines the expanded opening portion, and the opening has a decreasing radius along the reduced section in the axial direction of the support member toward a contact surface area arranged at an end portion of the support member adjacent the cutting tool, wherein the radius of the opening corresponds essentially to the radius of the through bore. The contact surface area is prepared for engagement with the elongated member and provides a counter acting area interacting with the cutting tool when shearing the elongated member. The invention also includes a method.

The invention provides a device for blanking blanks of a circular saw. The device comprises a rack, wherein, a rotary working table is arranged on the rack; a vertical regulating device and a horizontal regulating device are arranged on the rotary working table; a rotation driving device is mounted at the other end of the rack; the rotation driving device is connected with an upper shearing wheelof an upper tool apron via an upper transmission connecting rod; a lifting device is arranged at the upper part of the upper tool apron and connected with the upper tool apron; the rotation driving device is connected with a lower shearing wheel of a lower tool apron via a lower transmission connecting rod; the lower tool apron is fixedly connected with the rack; the upper shearing wheel is matched with the lower shearing wheel; and an acute angle is formed by projecting the axes of the upper shearing wheel and the lower shearing wheel onto a vertical plane. By dispensing with the procedures of annealing and roughing after blanking, the device provided by the invention can simplify the procedures for processing circular saw blades, improve the efficiency and save raw materials; and the processed blanks of the circular saw has the advantages of neat and smooth edges and high quality.

The invention discloses a copper lifting lug shearing and leveling device, which mainly includes a frame and a feeding module, a rolling shear strip module, a copper lifting lug straightening module, a flattening module and a transmission module arranged on the frame. The system transmits the power to the feeding module, the roller shearing strip module, the copper lug straightening module and the flattening module through the transmission system, which can efficiently cut the copper initial electrode sheet into copper lugs of a certain size, and The shaping of the copper lug is realized, which effectively solves the problems of the existing tool holder breakage, blade chipping, deformation and curling of the edge of the copper lug after shearing. The invention adopts modular design, compact structure, high reliability and high degree of modularization. It integrates feeding, shearing, straightening and flattening, and can realize efficient cutting, straightening and flattening of copper lifting lugs. The production efficiency and production quality of the lugs are greatly improved, and it is easy to disassemble and maintain and upgrade each module, saving operating costs and time for enterprises.

The invention relates to the technical field of DNA self-assembled membranes, particularly to a method for quantitative evaluating the HP DNA hairpin configuration on a substrate surface based on enzymic hydrolysis ability and a background signal eliminating method based on enzymic hydrolysis ability. The specific steps comprise: removing dimers through high temperature denaturation; immersing a substrate in an exonuclease I buffer solution having an enzyme amount of 100-300 U, and carrying out hydrolysis; and determining the proportion of the HP DNA hairpin configuration on the surface of anelectrode by using an electricity integration technology. According to the present invention, exonuclease has difference between in hydrolysis of ssDNA and in hydrolysis of HP DNA hairpin configuration, and the electrochemical method is combined to quantitatively evaluate the proportion of the HP DNA hairpin configuration on the surface of the substrate; and with the exonuclease I, the backgroundsignal caused by non-hairpin configuration can be effectively eliminated so as to substantially improve the detection sensitivity of the Hairpin DNA-based biosensor.

The invention relates to an industrial data cloud service platform data transmission method for a new energy automobile driving motor assembly production line, and solves the problems that when an advanced machine learning algorithm is utilized to transmit and analyze industrial big data, in order to reduce the data scale and improve the analysis efficiency, simple processing is performed on a data transmission method, large analysis deviation is caused, and enterprise technology adjustment and operation and maintenance decisions are influenced. The method comprises the following steps: acquiring multi-source heterogeneous data; performing fusion processing of a local preprocessor; performing secondary fusion processing on the data of the cloud data processor; and receiving data of the cloud data processor. An OI network regularization method is used for optimization, the relevance of continuous channels is considered to the maximum extent, trimmed channels are applied to verificationset data to verify the accuracy of an inference effect, meanwhile, redundant channel compression is completed, and rapid transmission processing of cloud industrial big data is achieved.

The invention provides an ultra-long tobacco shred rotary shearing machine, and shearing equipment and shearing method. The rotary shearing machine comprises a plurality of rotary parting tools and fixed parting tools, the rotary parting tools are used for hanging ultra-long tobacco shreds, the rotary parting tools are matched with the fixed parting tools, cutting motion can be formed, and the ultra-long tobacco shreds carried by the rotary parting tools are cut off instantaneously; the ultra-long tobacco shred shearing equipment comprises a vibrating sieving machine used for tobacco shred sieving, and the rotary shearing machine, tobacco shred shearing is conducted by utilizing the ultra-long tobacco shred shearing equipment, the tobacco shreds can pass through the sieving, and after carding, the ultra-long tobacco shreds are cut off in the direction of tobacco shred extension. According to the shearing equipment, the shearing effect of the tobacco shreds is good, the degree of automation is high, the structure of the tobacco shred shearing equipment is reasonable, and occupation of area is few.

The invention provides a special-shaped lens full-automatic shearing machine. The machine comprises a special-shaped lens conveying mechanism, a special-shaped lens loading mechanism, a special-shaped lens shearing mechanism, a special-shaped lens unloading mechanism and a waste collecting mechanism. The special-shaped lens conveying mechanism includes a driving conveying wheel, a driven conveying wheel and two conveying belts; and the two conveying belts penetrate through the special-shaped lens loading mechanism, the special-shaped lens shearing mechanism and the special-shaped lens unloading mechanism in sequence. The special-shaped lens loading mechanism includes a loading frame, and a loading frame driving mechanism for driving the loading frame to move up and down. The special-shaped lens unloading mechanism includes an unloading frame, and an unloading frame driving mechanism for driving the unloading frame to move up and down. The special-shaped lens full-automatic shearing machine solves the technical problems of complex structure, low conveying efficiency and limited storage space caused by single storage structure in special-shaped lens full-automatic shearing machine equipment in the prior art, and realizes quick conveying, efficient shearing and large-batch storage.

The invention belongs to the field of eraser production and processing and particularly relates to a cutting device for an eraser strip. The cutting device comprises a fodder chopper and an intermittent feeding mechanism. The fodder chopper moves back and forth in the vertical direction and is matched with a workbench to do a shearing action for cutting the eraser strip. The intermittent feeding mechanism can convey the eraser strip to the position below the fodder chopper in an intermittent mode, specifically, when the fodder chopper is lifted, the eraser strip is fed forwards, and when the fodder chopper falls, the eraser strip is stopped being fed. According to the cutting device for the eraser strip, the eraser strip can be efficiently sheared, so that breaking or stacking of the eraser strip is prevented.

The invention discloses a corrugated board recycling device for a packaging box, and relates to the technical field of corrugated paper for packaging. The device comprises a primary crushing mechanism, a water inlet pipe, a pulping mechanism, a pulping tank, a driving motor and a pulp outlet pipe; the top of the pulping tank is provided with a material receiving hopper corresponding to the primarycrushing mechanism; the bottom of the material receiving hopper is connected with a material dropping pipe leading to the pulping tank; the top and the bottom of the pulping tank are respectively connected with the water inlet pipe and the pulp outlet pipe; the water inlet pipe and the pulp outlet pipe each are provided with a valve; the pulping tank is internally provided with the pulping mechanism; and the pulping mechanism is driven by the driving motor to rotate. The device has the following beneficial effects: corrugated boards can be subjected to rotary cutting by spiral blades, and crushing teeth I and crushing teeth II can be used for tearing the corrugated boards; the corrugated boards subjected to preliminary crushing can enter the pulping tank, and the corrugated boards in water can be effectively sheared; and then small corrugated paper boards are broken, so that crushing and pulping are effectively combined into a whole, and the cost can be better saved.