136results about How to "Handy dust" patented technology

The invention discloses a machining method of a thin-wall honeycomb core material curve machining molded surface, and aims to provide a honeycomb machining method with high milling efficiency and capable of prolonging the life of a special honeycomb combined milling tool. The machining method is realized through the following technical scheme: when a double sided tape fixing state at the earlier stage of honeycomb machining is good, the special honeycomb combined milling tool with a conical disc return milling tool is changed for cutting; the rotating direction of the special honeycomb combined milling tool is changed; the conical disc return milling tool for feeding by a wedged angle of 30-45 degrees through high-speed rotation is used for cutting roughing; according to an anticlockwise tool rotating mode in the tool rotating direction, the downward pressure is applied to a honeycomb thin-edge area (1) through anticlockwise rotation; the part, easy to be pulled and damaged, of the thinnest honeycomb edge of the honeycomb bottom cutting profile is firstly machined; and after the honeycomb thin-edge area (1) of a NOMEX honeycomb part blank is machined, the sequential gradient machining is performed in (2-6) thickness direction of the thick-edge area cutting profile layer by layer, and the other parts are machined.

The invention provides a method of cleaning greenhouse roofs mechanically to remove the accumulation of dust and grit. The method comprises at least one dust cleaning device moving over a soft roof The cleaning device is controlled to follow the irregular surface of the soft roof with limited pressure to avoid damage. The invention also provides a dust-cleaning system to remove dust and grit from the soft roof.

A honeycomb structured body of the present invention is a honeycomb structured body in which a plurality of cells are placed in parallel with one another in the longitudinal direction with a cell wall therebetween, either one of the end portions of the cells being sealed, wherein a porosity is at least about 70% and at most about 95%, and a ratio of a diameter of a cross-section perpendicular to the longitudinal direction of the honeycomb structured body to a length of the honeycomb structured body in the longitudinal direction is at least about 0.2 and at most about 0.9.

The invention discloses a preparation method of electroconductive silicone rubber. Acetylene black, aluminum oxide, hydroxyl silicone oil and water accounting for 1% of the acetylene black by weight are mixed and added into a granulator to be produced into acetylene black and aluminum oxide particles for mixing. The silicone rubber has the advantages of high heat conductivity, heat resistance and low compressibility, the tensile strength is larger than 9.6 MPa, the tear strength is above 36 N/mm, and the volume resistivity is smaller than 45 omega.cm.

A spin-on fluid filter with improved attachment and sealing with the filter head. The filter has a gasket positioned at the end of threads used to connect the filter to a filter head. The described design protects the gasket from excessive engine heat, cut or tear damage during installation, and the roll out effect of installation torque. In addition, the described attachment provides gasket protection and uniform compression of the gasket. The gasket can be any type that provides a seal which keeps external threads on the filter and the filter head dry.

The present invention is to provide a card insert/eject mechanism, which includes an insulating seat formed with a receiving space and a track groove; a metal housing covering the receiving space and track groove and having a position-limiting resilient plate at a bottom surface thereof; a sliding block slidable along the track groove and laterally provided with a pushing portion that extends into the receiving space thereby, when an electronic card pushes the pushing portion, the sliding block is moved against rear end of the insulating seat; a resilient element provided in the track groove for applying a force to rear end of the sliding block; and a release bar disposed in the track groove for releasing the position-limiting resilient plate and enabling the sliding block to push the electronic card out of the receiving space, so as to effectively solve the insecure card engagement problem in conventional push-push connectors.

A manufacturing process for a plurality of conductive terminals, comprising the steps of:

(1) punching a flat metallic plate to form a carrier and a plurality of spaced-apart terminal bodies, and blanking each of the terminal bodies to form an uneven surface, so that the uneven surface serves as a wiping unit;

(2) bending each of the terminal bodies to form a curved contact segment, a resilient segment, a fixed segment, and a connecting segment, such that the uneven surface is located at the contact segment;

(3) assembling the bent terminal bodies to an insulating housing; and

(4) cutting and removing the carrier from the terminal bodies so that the terminal bodies disposed on the insulating housing constitute the conductive terminals.

The invention provides a method using the quality-based utilization of low-rank coal to prepare natural gas. The method includes: drying, performing gasification reduction, performing desulfurization,preparing synthetic gas and preparing the natural gas. The method has the advantages that the raw material of the method mainly comes from the quality-based utilization process of the low-rank coal,high product additional value is achieved, and transportation is benefited; the synthetic gas is prepared by using coal-water slurry, and the reutilization of the low-rank coal solves the problem of environmental pollution; multi-approach gas preparation and high synthetic gas yield are achieved, the economic competiveness of gas preparation using the low-rank coal is enhanced greatly, and efficient, graded and comprehensive utilization of coal resources is achieved; the synthetic gas methane is prepared through the method, the method conforms to the industry policy of clean coal utilization and the current direction of 'turning coal into gas', pipeline transportation is facilitated, the problems that the low-rank coal is prone to dust raising and spontaneous combustion during transportation are solved, and by the quality-based and graded utilization of the low-rank coal, the coal is turned into the gas, west-east natural gas transmission is achieved, and energy self-supply is achieved.

A cleaning device having a handheld housing engageable to one or both of a portable vacuum motor or the distal end of a hose for a conventional vacuum cleaner. The cleaning device employs a dusting head engageable to an extension that may be change to increase or decrease length to allow a user the position the dusting head further or closer to the housing to reach different areas in need of cleaning.

The invention relates to a PVC composite material suitable for extrusion molding and a preparation method. The preparation method comprises preparation of modified waste mineral powder, preparation ofa modified waste mineral powder premix and preparation of the PVC composite material. The modified waste mineral powder is obtained by performing grinding, screening and coupling activation treatmenton mixed waste mineral slag comprising tailings produced in mining of granites, wastes produced in marble processing and fired-coal coal ash produced in a smelting process; the modified waste mineralpowder premix is obtained by mixing the modified waste mineral powder with stearic acid and paraffin respectively; the PVC composite material is obtained by mixing the modified waste mineral powder premix with PVC resin, a composite stabilizer, a toughener and CPE under a heating condition. The composite material is suitable for extrusion molding, uniform in PVC plasticization and hard to decompose; the waste mineral powder is high in compatibility with PVC; no dust problem is caused; the defective rate is low; furthermore, a molded product is high in intensity, high in toughness and good inwater resistance and flame retardancy. The PVC composite material can replace a wood-plastic composite material and be widely applied to the field of buildings and home decoration.

The invention relates to threshing equipment, in particular to sun-dried soybean threshing equipment, and aims at providing a sun-dried soybean threshing equipment capable of preventing sore arms andimproving the threshing efficiency of soybeans. The sun-dried soybean threshing equipment comprises a mounting rack, a collecting frame, a pedal, a first pulley, a first strut, a mounting plate, a placing device, a support rod, a baffle, a second pulley and the like; the collecting frame for storing soybeans is placed on the right side of the bottom of the mounting rack; the pedal is rotationallyconnected to the lower part of the left side surface of the mounting rack; and a through hole is formed in the upper part of the left side surface of the mounting rack. According to the equipment, preliminary threshing can be performed on the soybeans by the placing device, and a user can step on the pedal to enable a flapping rod to swing up and down to thresh the soybeans, therefore, the user does not need to hold a flapping plate to thresh the soybeans, aching pain of arms can be prevented and the threshing efficiency can be improved.

The invention relates to a dust-removal robot, in particular to a ducted dust-removal robot capable of removing the dust deposited on surfaces of various terrains of objects. The all-terrain ducted dust-removal robot can remove the dust deposited on surfaces of various terrains by a ducted dust-removal device mounted inside the robot and can be controlled by a laptop; and the robot can walk on a plane and a slope as well as between obstacles. Furthermore, the all-terrain ducted dust-removal robot is good in dust emission performance, reliable and stable in performance, convenient to operate, simple and compact in structure, light in weight, and convenient to carry, and can remove dust inside rectangular and circular pipes, translate for more than 100 m, climb a slope of 50 degrees and go through an obstacle as high as 10 cm.

The invention discloses a deburring device for new material production. The deburring device comprises an operation box, a shell is fixedly connected to the top of an inner cavity of the operation box, a lifting mechanism is arranged at the top of the inner cavity of the shell, a connecting rod is arranged at the bottom of the lifting mechanism, and the bottom of the connecting rod penetrates through the bottom of the shell and is fixedly connected with a connecting base; a water pipe communicates with the water inlet end of the bottom of a water pump, finally, spraying holes in the front sideof a water pipe conduct dust falling on an inner cavity of the operation box, meanwhile, a polishing disc is cooled, a mounting rod and the polishing disc can be replaced by rotating a rotary knob, and the purposes of convenient replacement and dust falling are achieved; and the deburring device for new material production has the advantages of being convenient to replace and capable of achievingdust falling, water spraying for dust falling is conducted on the inner cavity of the operation box, meanwhile, new materials can be effectively cleaned, sprayed water can also cool the polishing disc, and the deburring effect is improved.

The present invention discloses a grinding forming method of saw blade tooth. Said invention adopts a surface grinding machine as machining equipment, a finisher is mounted at one side of grinding machine working table, on the finisher a diamond roller is mounted, and on the diamond roller a tooth form face identical to saw blade product tooth form is set. Said method includes the steps of abrasive-disk form face finishing, coarse grinding and fine grinding, etc.

The invention discloses real stone paint of a real stone metal plate. The real stone paint is of a real stone paint system using epoxy resin as a substrate and contains the components in part by weight: 35 parts of adhesion agent and 65 parts of real stone ingredient composed of glimmerite pieces and real stone powder. Meanwhile, the invention provides a manufacturing process of the real stone metal plate using the real stone paint. The manufacturing process comprises the following steps: a, conducting sheet-metal working for the metal plate to obtain a metal plate substrate; b, after pre-processing, spraying priming paint, and then leveling; c, preparing the real stone paint, spraying the real stone paint, and then leveling; d, spraying fluorocarbon varnish, and then leveling; e, curing for valid time at 150 DEG C; and f, packing products. The real stone paint is unique-formula paint using the epoxy resin as the substrate and has a characteristic of fast curing at high temperature, so that the real stone paint metal plate can be industrially produced in a large scale, and meanwhile, the service life of the real stone metal plate is also greatly prolonged due to the high strength and the weather resistance of the real stone paint.

An oscillating dust brushing mechanism in an intelligent storage shoe cabinet comprises a box body and a box cover. A handle is arranged on the top of the box cover, a shoe body fixing frame and an electric dust brushing assembly are arranged in the box body, the shoe body fixing frame is fixed to an L-shaped support, a connecting rod and a hemispherical thumbing block arranged at the tail end ofthe connecting rod are arranged at the lower end of the L-shaped support, a thumbing cam is arranged on the right side of the hemispherical thumbing block, the thumbing cam is connected with an outputshaft of a second motor, a fixing lug is arranged at the upper end of the L-shaped support, the fixing lug is hinged to a U-shaped base, the U-shaped base is fixed to the upper end in the box body, the shoe body fixing frame can rotate by 90 degrees around the hinge position of the fixing lug and the U-shaped base, and a dust collecting box is arranged at the bottom in the box body. The automation degree is high, the surfaces of shoes can be subjected to dust brushing, meanwhile, the shoes oscillate in the dust brushing process, vamps are cleaned comprehensively, and the shoes are kept cleanand tidy.

The invention relates to a carpet cleaning agent and a preparation method thereof, and belongs to the technical field of daily chemicals. The carpet cleaning agent comprises the following components in parts by weight: 2-4 parts of styrene-maleic anhydride resin, 18-20 parts of alkyl polyglucoside, 25-30 parts of N-sodium lauryl sarcosinate, 3-5 parts of magnesium aluminum silicate, 0.1-1 part of ammonia water, 0.1-0.2 part of tea tree essential oil, 0.5-2 parts of a thickener and 100-120 parts of water. The preparation method is simple; the prepared carpet cleaning agent is strong in detergency and good in permeability, can be easily dusted and can be removed directly by a dust catcher; the carpet cleaning agent does not damage a carpet, and the cleaned carpet is not sticky; therefore, the carpet cleaning agent is suitable for various carpets.

The invention discloses low-sugar soybean milk powder. The low-sugar soybean milk powder is prepared from raw materials in parts by weight as follows: 55-75 parts of soybeans, 30-40 parts of isomaltooligosaccharide syrup, 5-8 parts of xylitol powder, 0.5-1.5 parts of fructooligosaccharide and 0.5-1 part of table salt. The soybeans, the isomaltooligosaccharide syrup, the xylitol powder, the fructooligosaccharide and the table salt are matched, thus, the low-sugar soybean milk powder has low total sugar content and moderate sweetness, reserves the original flavor and nutrient substances of soybean milk, reduces the intake of sugar and can prevent dental caries and obesity. The preparation method of the low-sugar soybean milk powder is simple and prone to industrial mass production.

The invention discloses a machine for concrete cutting. The machine comprises a strip-shaped bearing base; a concrete cutting mechanism is arranged on the upper surface of the strip-shaped bearing base; and a moving mechanism is arranged on the lower surface of the strip-shaped bearing base. The machine has the beneficial effects that the machine is a device which cuts concrete conveniently through automatic retraction, relieves the manual movement intensity, conducts atomization water spray and dust reduction during cutting conveniently, and keeps the surrounding environment good.