146 results about "Plasticine" patented technology

A permanently plastic Plasticine for fire-protection applications is described, comprising a matrix composition, which contains fire-protection additives and conventional auxiliary materials and is based on organic polymers, and a method for its preparation and its use for the fire-protecting sealing of openings, cable and pipe bushings in walls, floors and/or ceilings, of joints between ceiling parts and wall parts, between masonry openings and construction parts, which are to be installed, such as window frames and door frames, between ceilings and walls and between exterior walls and curtaining facades, for the purpose of thermal insulation and/or fire protection, are described.

The invention provides a glass flake clay paint, whose constituents include (by weight ratio) vinyl ester 55-65%, glass flake 25-35%, and addition agent 0.001-10%. The paint has good tenacity, fatigue resistance, antiseep property and hermeticity.

The invention discloses a precise micro-forming device and a method thereof based on a laser continuous stamping plasticine technology. The device comprises a laser loading system, a plastic forming system and a computer control system. The laser loading system comprises a nanosecond laser, a reflection mirror and a focusing lens. The plastic forming system comprises a sample system, a clamp body, a three-dimensional moving platform and a base. The computer control system comprises a three-dimensional moving platform controller, a laser controller and a computer. According to the device and the method, plasticine is used for transmitting impact force, in a multi-time impact process, the plasticine and a workpiece are attached together gradually, stress on the workpiece is even, scratching cannot happen, surface quality of the workpiece is improved, and meanwhile according to the characteristic that the plasticine deforms in an plastic mode after being stressed, the workpiece and a micro mould can be attached with each other, rebounding of the workpiece is avoided, and forming precision of the workpiece is guaranteed.

The invention discloses a non-toxic plasticine and a preparation method thereof. The non-toxic plasticine is prepared from an edible flour material and water which are used as a base material, wherein the non-toxic plasticine contains collagen and nanogold sol, is excellent in elasticity, not easy to crack, environmental-friendly, non-toxic and harmless, has good moulding property and good drying resistance effect and relatively strong antibacterial action, and is suitable for being used by children. The preparation method provided by the invention is simple, convenient and easy to operate.

The invention discloses non-toxic colored plasticine. The non-toxic colored plasticine contains the following ingredients: wheat flour, glutinous rice flour, plant protein powder, starch, carrageenan, clay, maltose, refined salt, edible oil, berberine hydrochloride, a humectant, vitamin E, potassium sorbate and water. The invention further discloses a corresponding preparation method of the non-toxic colored plasticine. According to the non-toxic colored plasticine and the preparation method thereof, the formula is reasonable, and natural raw materials are adopted, so that the non-toxic colored plasticine is non-toxic, odorless, environmentally friendly and pollution-free, is high in plasticity, good in toughness and bright-colored in color and does not stick hands; children are prevented from mistakenly eating the plasticine, and the safety is guaranteed.

The invention relates to a plasticine product, in particular to two-component organosilicone plasticine. The plasticine comprises a component A and a component B, wherein the component A and the component B are prepared from raw materials in percentage by weight. The component A comprises vinyl polysiloxane, a filler, a platinum catalyst, a pigment and silicone oil; and the component B comprises vinyl polysiloxane, a filler, a pigment, silicon oil, a crosslinking agent and a speed control agent. The two-component organosilicone plasticine is good in usability and non-staining property, and is free of oil leakage, free of staining property, safe and stable.

The present invention discloses a roughness detecting method for the combined surface of a concrete prefabricated part. The method comprises the following steps of 1) cleaning sundries on the surfaceof a to-be-measured part before the test, selecting a suitable area, painting a layer of demoulding oil on the selected area, and fixing a stainless steel square frame on the area; 2) filling the stainless steel square frame by adopting the plasticine to enabling the parallel and level state of the surface of the stainless steel square frame; 3) removing the stainless steel square frame, and taking down the plasticine attached on the surface of the part; 4) kneading the plasticine into a whole block, weighing the plasticine in the air as m1 and accurate to 0.01 g, placing the plasticine in a mesh basket, placing the plasticine in the distilled water together with the mesh basket, weighing the plasticine in the water as m2 and accurate to 0.01 g, and calculating the roughness of the plasticine. According to the roughness detecting method for the combined surface of the concrete prefabricated part, the roughness of the concrete prefabricated part, in the horizontal, vertical and inclineddirections, can be tested.

The invention discloses a rock fracture shear seepage test device and a test method of the device and relates to the technical field of rock mechanical tests. The test device comprises an upper shearbox, a lower shear box, an upper shear ring and a lower shear cylinder, wherein a sealed small hole is formed in the lower shear cylinder and connected with a water supply pipeline to apply water pressure onto a rock sample. The test method comprises the steps of mounting a fracture sample in the upper shear ring and the lower shear cylinder by cement placement and plasticine isolation, wrapping the side face of the fracture sample with a rubber sleeve to avoid water leakage between the side face of the sample and the rubber sleeve, putting a combination of the upper shear ring and the lower shear cylinder in the lower shear box and the upper shear box, connecting with the water supply pipeline and a water collecting pipeline, measuring load, displacement and seepage quantity, and collecting measured data and drawing a form via a computer, wherein a water outlet is formed in the rubber sleeve. The device and the method are used for achieving the rock fracture shear seepage test, and studying the change in rock fracture seepage quantity in a shear process.

The invention discloses high-moisturizing food-grade plasticine powder. The high-moisturizing food-grade plasticine powder is prepared from the following raw materials in parts by mass: 88 to 96 parts of base materials, 5 to 10 parts of modifier, 0.1 to 0.5 part of additive and 0.1 to 0.5 part of pigment. The invention discloses a preparation method of the high-moisturizing food-grade plasticine powder at the same time. According to the high-moisturizing food-grade plasticine powder and the preparation method, disclosed by the invention, plasticine which has the excellent characteristics of tack-free performance, oil-free performance, good moisturizing performance, good flexibility and good plasticity can be obtained through scientific and reasonable raw material selection, the durability of the good performance is good, and the high-moisturizing food-grade plasticine powder is a toxic-free and environment-friendly plasticine raw material.

The invention discloses colored plasticine and a preparation method thereof. The colored plasticine is prepared from wheat starch, rice flour, glycerol, edible refined salt, purple sweet potato whole flour suspension, nipagin compound sodium acetate, saturated citric acid solution or citric acid buffer solution. The preparation method comprises the following steps: taking the wheat starch, the rice flour and the edible refined salt according to the weight parts, placing the taken components into a container, grinding, uniformly mixing the obtained powder, and screening to obtain mixed flour; adding the saturated citric acid solution or citric acid buffer solution into the prepared purple sweet potato whole flour solution, and thus obtaining a mixed solution; dropwise adding glycerol and nipagin compound sodium acetate into the mixed flour, adding the mixed solution into the mixed flour under stirring, afterwards taking out the mixture, kneading uniformly, uniformly smearing glycerol on the surface of the finished product obtained through kneading, and packaging the finished product with glycerol through a preservative film. According to the colored plasticine and the preparation method thereof, the raw materials are low in cost, the preparation method is simple and feasible, the colors are controllable, and the colored plasticine is non-toxic and harmless, and easy to popularize.

The invention discloses a laser mask shock forming device based on a plasticine mould and a method of the laser mask shock forming device. The device comprises a laser loading system, a platform moving system, a forming system and a control system, the forming system comprises plasticine serving as a mould, a workpiece, an absorbing layer film, an optical medium, a mask and an annular pressing block, the workpiece is arranged on the plasticine, the transparent optical medium serving as a restraint layer is attached to the upper side of the workpiece in a pressing manner, the absorbing layer film is arranged between the optical medium and the workpiece, the mask for changing the size and the shape of a laser spot is arranged above the optical medium, the annular pressing block is arranged above the mask, and the mask, the optical medium, the absorbing layer film, the workpiece and the plasticine are fastened on the platform moving system through the annular pressing block. The device is low in cost, rapid, precise and repeatable and can be used for laser mask shock forming of conventional difficultly formed materials based on the plasticine mould, mould designing and manufacturing expenses can be reduced, and machining precision and working efficiency are improved.

A modeling composition consisting of a wax-based and oil-based binder, a filler, and a coloring agent, wherein the filler is substantially a light filler comprised of hollow microbeads. The binder is comprised of solid wax, pasty wax, and a liquid component of a wax base, an oil base, or a wax and oil base. The binder is present in the modeling composition in an amount of 45 to 90% by weight. The modeling composition can be used as play dough for children or as a therapeutic composition in the medical field for training and rehabilitation.

The invention discloses a natural plasticine which is prepared from the following raw materials in parts by weight: 10-15 parts of wheat flour, 10-15 parts of starch, 5-10 parts of glutinous rice flour, 3-5 parts of waxy corn starch, 5-7 parts of clay, 6-15 parts of liquid paraffin, 4-8 parts of glycerol, 3-5 parts of sodium chloride, 5-8 parts of vegetable oil, 3-5 parts of xanthan gum, 2-6 parts of quartz powder, 1-3 parts of edible pigment and 20-30 parts of water. By adopting the natural raw materials, the natural plasticine has the advantages of high safety, environment friendliness, no pollution, moderate hardness and high plasticity.

The present invention provides an automobile engine cylinder head combustion chamber volume measurement method. The method comprises the following steps: A, cleaning an automobile engine cylinder head combustion chamber, inverting the automobile engine cylinder head, completing the installation of parts connected with the combustion chamber, and sealing the slits between the parts of the combustion chamber by using the plasticine; B, spraying a release agent at the inner surface of the combustion chamber, arranging clapboards closed at four sides at the plane of the cylinder head of the upper portion of the combustion chamber, injecting the molding into the combustion chamber, taking out an initial model after the molding is solidified; C, performing three-dimensional scanning measurement of the initial model, obtaining the point cloud data of the initial model, and inputting the point cloud data in the three-dimensional graphic software; and D, performing optimization process of the point cloud data of the initial model by employing three-dimensional graphic software, constructing the inner space model of the combustion chamber and performing the volume measurement, and obtaining the volume of the automobile engine cylinder head combustion chamber. The measurement method overcomes the defects of easy leakage and big error of the liquid in the current technology, and the operation is easy and the precision is high.

The invention belongs to the technical field of flanges, and particularly relates to a leakproof gas pipeline flange which comprises a left flange, a right flange, a locking module and a seal module.The left flange and the right flange are arranged oppositely; multiple bolts are arranged between the left flange and the right flange; hexagon nuts are arranged on the tail parts of the bolts; No.1 gears are fixedly connected onto the hexagon nuts; the seal module is arranged between the left flange and the right flange; and the locking module is arranged on the left flange. According to the leakproof gas pipeline flange provided by the invention, by utilizing the vibration of a pipe body, a heavy block pushes a rocking bar to move up and down, a rotating plate is rotated so as to enable a No.2 gear to rotate unidirectionally through a pulling block and a right-angle slot, and the No.2 gear re-screws the hexagon nuts through the No.1 gears, so that the automatic locking efficiency of thehexagon nuts is improved, and the sealing efficiency is favorably improved; and by utilizing the mutual extrusion of two annular seal bags, plasticine in the two annular seal bags flows so as to fillgaps among the left flange, the right flange and a pipe body, so that a seal effect of the pipe body is effectively improved.

The invention relates to a polishing grinding disc for restraining a full-band error of an optical surface. The polishing grinding disc is provided with a rotating shaft connecting end, a base, a flange ring, a diaphragm seal membrane, magnetorheological plasticine, a polishing pad, and a magnetic field generator, wherein the rotating shaft connecting end is located in a central position of an external upper part of the base; the base is provided with an annular boss; the annular boss is located on the outer side of a side wall; a group of fixedly connected screw holes are formed in the annular boss, and are centrosymmetric to the rotating shaft connecting end; the flange ring is an annular cylinder and is provided with a group of fixedly connected screw holes; the diaphragm seal membrane is in a bucket-shaped structure with the upper end opened; the magnetorheological plasticine is placed in a seal cavity formed by an inner wall and an upper surface of the diaphragm seal membrane as well as the bottom of the base; a boss of the diaphragm seal is fixedly connected with the annular boss of the base by the flange ring and bolts; the polishing pad is fixedly connected with a lower surface of the diaphragm seal membrane; and the magnetic field generator is placed on the upper surface of the external upper part of the base outside the grinding disc, controls magnetic field distribution in the seal cavity, generates a magnetic field parallel to a direction of a rotating shaft, and adjusts and controls a storage modulus and a loss modulus of the magnetorheological plasticine.

The invention discloses a silicon boron polymer and a preparation method therefor and an application thereof. The preparation method for the silicon boron polymer comprises two steps: firstly carrying out a reaction between 30-40 parts of a boron-containing compound and 20-30 parts of polyol to prepare a polyol ester; and then carrying out a reaction between 3-20 parts of the boronized polyol ester, 1-10 parts of methylsilicone oil, 60-100 parts of hydroxyl silicone oil, 0.1-15 parts of white carbon black and 0.01-0.5 part of a plasticizer unsaturated fatty acid to obtain the silicon boron polymer. Plasticine made from the synthetic silicon boron polymer has good bounce and stretchability; the elongation at break reaches 1000-2000%; the tensile strength is just 1-2 MPa; and the T type peel strength is just 0.1-1 kN/m. The preparation method disclosed by the invention is simple in process, short in preparation period and strong in operating controllablity; the stability of product performance can be improved; and the energy consumption is reduced, so that large-scale production is further facilitated. The prepared silicon boron polymer can be widely applied to the fields of toys for children, artistic molding, industrial molding and the like.

The invention discloses a method for manufacturing fiber cross section slices. The method comprises the following steps: adding quickly-dried adhesive to the bottom part of a holding container, putting single fiber or one beam of fibers on the surface of the quickly-dried adhesive or putting the fibers on the surface of the quickly-dried adhesive along the length direction of the holding container after the quickly-dried adhesive is slightly dried, and embedding two ends of the fibers into plasticine at two ends of the holding container; then continuing to dropwise add the quickly-dried adhesive until the fiber is covered by the adhesive; removing the holding container and the plasticine after the quickly-dried adhesive is cured so as to obtain fiber-coated adhesive rods; slicing the adhesive rods to obtain the fiber cross section slices. The method for manufacturing the fiber cross section slices has the advantages that the fibers are coated by the quickly-dried adhesive, so that the requirements on detecting cross sections of a slight amount of fibers or a single fiber can be met; the fibers in the fiber cross section slices manufactured by the method are good in dispersion properties and clear and accurate in shape of the cross sections; the method is simple and convenient and high in practicability, and can be widely used in field of forensic science at home and abroad.

The invention discloses a measurement method of a mould closing margin of a stamping mould. The method comprises the following steps that a mould blank holder state is checked and adjusted, a mould balance state is checked and adjusted, mould closing height is set, the to-be-measured mould is used for pressing a workpiece, opening treatment is conducted on the workpiece, all opened positions are subjected to double numbering, filler is prepared, the filler is prepared from industrial plasticine and soft steel wires, the workpiece is placed on the upper surface of a mould lower die, one group of filler is placed at each opened position, the soft metal wires, the industrial plasticine and the mould are stacked from top to bottom in sequence, the mould is closed, the filler is pressed, the thickness of an opened piece of the workpiece subjected to opening and the thickness of the soft metal wires subjected to pressing are measured, and for the opened positions, data processing is conducted on areas which need to be subjected to heavy coloring and light coloring separately, so that the mould closing margin of the stamping mould is obtained. Through the measurement method, the mould closing margin can be measured accurately and reliably.

The invention discloses a pair of adjustable tweezers for multi-hole anti-skidding sleeves. The pair of adjustable tweezers comprises a body including a connecting portion and tweezers arms. Multiple stepped through holes are formed in the connecting portion. The inner side wall of a large diameter segment of each stepped through hole is provided with at least two opposite transverse inserting holes, in which clamping springs and steel balls are inserted in a sleeving mode. Limiting plates, close to the inner side walls of the stepped through holes, are fixed with the transverse inserting holes. Middles of the limiting plats are provided with middle through holes. The steel balls are inserted into the middle through holes in a sleeving mode. Front portions of the steel balls stretch out of the middle through holes. One ends of the clamping springs apply forces to bottom ends of the transverse inserting holes and the other ends of the clamping springs apply forces to the steel balls. Circular pieces are inserted into the stepped through holes in a sleeving mode. Middles of the circular pieces are provided with graphic through holes. The anti-skidding sleeves sleeve the tweezers arms. The adjustable tweezers for the multi-hole anti-skidding sleeves have following beneficial effects: when plasticine or glutinous small parts is made, the connecting portion can be directly pressed onto plasticine or a glutinous block so that the small part can be dug out for production; and the anti-skidding requirements of different users can be satisfied due to the fact that the pair of adjustable tweezers has position-adjustable anti-skidding sleeves.

The invention provides a preparation method of leadless high-density plasticine, and belongs to the technical field of a high-energy radiation shielding material. The leadless high-density plasticine is prepared from the raw materials of tungsten powder, a coupling agent, thermoplastic elastomer and the like. The preparation method comprises the steps: modifying the tungsten powder (or tungsten alloy powder) by the coupling agent, uniformly mixing and processing the tungsten powder (or tungsten alloy powder) and low-melting-point thermoplastic polyurethane (or vinyl acetate resin) mixture utilizing an internal mixer or a screw extruder, and carrying out hot pressing at 100-180 DEG C and pressure of 0.5-2.0MPa to obtain the leadless high-density plasticine composite material. The leadless high-density plasticine composite material prepared by the method is high in density, good in viscosity, good in hand feeling, definite in moulding, difficult in plasticine adhesion and color adhesion on hand, and wide in application temperature range; furthermore, the material has the density more than 10.0g/cm<3>, and has excellent high-energy radiation shielding performance; and in particular, the composite material also has the advantages of being leadless, environment-friendly and the like.

The invention belongs to plasticine and a preparation method and a reusable sand table using the plasticine. The reusable sand table comprises a plasticine base disc and a plasticine model which are made of the plasticine. A fixing pin is arranged between the plasticine base disc and the plasticine model, the bottom of the plasticine base disc is provided with a glass base, glass plates are arranged around the glass base respectively, the two ends of the fixing pin are conical, one end of the fixing pin is arranged on the upper portion inside the plasticine base disc, and the other end of the fixing pin is arranged on the lower portion inside the plasticine model. The plasticine model comprises a plasticine rockery model, a plasticine river model, a plasticine sidewalk model, a plasticine house model and a plasticine road model. The reusable sand table has the advantages of being reasonable in design and convenient to use and reuse. The model is mainly made of the plasticine, is high in viscosity and good in soft plasticity, has the advantages of not deforming easily and being low in shrinkage and hardening, and is suitable for sand table manufacture and display.

The invention discloses a wind power blade posterior-edge die spotting PVC foam design method. The method comprises the following steps: S1, forming blade shell bodies; S2, placing plasticine; S3, pressing the plasticine; S4, drawing PVC foam contour coordinates; S5, drawing a PVC foam contour graph; and S6, refinedly drawing a PVC foam section drawing. The method has the advantages that operations are convenient, economic benefits are high, and design costs can be reduced.