35 results about "Ground glass" patented technology

The utility model relates to the field of luggage, concretely relates to a multicolor mouth frame for a suitcase, the mouth frame is bent by clamping strips, the cross section of the clamping strip is in multistage reciprocating superposition and forms three clamping mouths, the outer surface of the outer clamping piece of the outer clamping mouth is divided into several different color areas, and the colors of adjacent color areas are different, the outer surface of the outer clamping piece includes an elevation and an inclined surface at an angle with the elevation, and the elevation and the inclined surface are both provided with ground glass particles, the utility model uses the angle formed by the inclined surface and the elevation of the outer clamping piece and the demarcation line between the two color areas of the elevation to make the mouth frame more streamlined and contoured, uses the ground glass particles on the outer surface of the outer clamping piece to make the mouth frame more substantial and prevent scratching, and uses the several different color areas of the outer surface of the outer clamping piece and the different colors of adjacent color areas to make the color of the mouth frame of the suitcase more abundant, thereby improving the fashion and durability of the suitcase.

The application relates to the technical field of decoration garbage recycling, in particular to a decoration garbage resource recycling air separation treatment equipment and method, when glass and other impurities fall onto the filter plate, the glass will continue to fall downwards after staying on the filter plate, thereby realizing that the glass and other heavy impurities fall into the No. 1 discharge port, then the No. 2 grinding roller in the No. 1 discharge port finely grinds the granular impurities, the volume of the crushed glass is greatly reduced after the grinding treatment; this can bring convenience to the storage, transportation and treatment of the glass garbage; the ground glass can be conveniently recycled; the ground glass can be better mixed with other materials and be used for producing glass products, glass fibers, building materials and the like; moreover, the ground glass has a large surface area, can improve the recycling efficiency and quality, and reduces environmental pollution.

The invention provides a method for preparing a pozzolanic material. The method comprises the following steps: collecting waste glass; crushing the waste glass into waste glass particles with a preset size; and grinding the waste glass particles to obtain fine ground glass micro powder with a preset particle size and preset particle size distribution, and taking the fine ground glass micro powder as the pozzolanic material. The invention also provides a pozzolanic material prepared by the method, and a product manufactured by utilizing the pozzolanic material.

The invention belongs to the technical field of chemistry and chemical engineering experiments, and particularly relates to a double-effect condenser. The double-effect condenser comprises an outer heat exchange pipe, an upper connector, a lower connector, a cooling liquid inlet, a cooling liquid outlet and an inner heat exchange pipe which are integrally designed. The outer heat exchange tube is a double-layer coaxial straight sleeve; the upper connecting port and the lower connecting port are respectively welded on a conical ground glass tube, a glass ball grinding port, a glass bowl grinding port or a glass flange connecting port at the top and the bottom of the first-layer tube; the cooling liquid inlet and the cooling liquid outlet are straight connecting pipes or pagoda-shaped connecting pipes which are respectively welded on the outer wall of the first-layer pipe; the inner heat exchange tube is a double-layer coaxial straight sleeve or a single-layer tube which is coaxial with the outer heat exchange tube. The double-effect condenser has the advantages of being high in heat exchange efficiency and small in environmental influence, and has important significance on improving the environment of a chemistry and chemical engineering laboratory and promoting rapid development of healthy chemistry.

This utility model discloses a chlorine reaction experimental teaching device in the field of experimental equipment technology. It includes a transparent frame, a reaction assembly mounted on the surface of the transparent frame for carrying out the chlorine reaction, and a heating assembly mounted on the surface of the transparent frame for providing a heat source. The heating assembly includes a heating element, a lithium battery, and a power controller. The lithium battery and power controller are both mounted on the back of the transparent frame and are electrically connected. The heating element is mounted on the front of the transparent frame and includes a thick-walled ground glass test tube, an MCH ceramic heating rod, and a rubber stopper. The rubber stopper is fitted over the opening of the thick-walled ground glass test tube, and the bottom end of the MCH ceramic heating rod is sealed through the rubber stopper and placed inside the thick-walled ground glass test tube. The MCH ceramic heating rod is electrically connected to the power controller. This utility model solves the problems of a lack of integrated experimental devices on the market, safety hazards in the heating method for the chlorine-metal reaction in experiments, difficulty in accurately controlling temperature, chlorine leakage, and environmental pollution.

The invention provides a composite material for a charging gun, a preparation method of the composite material and the charging gun. The composite material for the charging gun comprises the following components in parts by mass: 70-80 parts of polycarbonate (PC); 12 to 15 parts of polybutylene terephthalate (PBT); 8 to 12 parts of ground glass fiber powder; 8 to 10 parts of a halogen-free organic phosphorus flame retardant; 5-8 parts of a plasticizer; 0.2 to 0.3 part of an anti-dripping agent; 0.5 part to 0.8 part of an anti-ultraviolet agent; 0.1 part to 0.3 part of a crystallization nucleating agent; wherein after the PC is melted and before the PC is cured, at least part of PBT is crystallized at the crystallization nucleating agent and is anchored at the PC. According to the composite material for the charging gun, good size stability and high mechanical strength are realized on the basis of ensuring good flame-retardant and heat-resistant effects.

The utility model provides a kind of tensioning cylinder surface deburring equipment, belong to manufacturing technical field, including bearing mechanism, including fixed part;Driving mechanism, including being arranged in the rotating component of the fixed part surface, adjusting component being arranged in the fixed part surface and the limiting component being arranged in the adjusting component side, the rotating component includes being arranged in the motor of the fixed base surface, driving wheel being fixedly installed in the motor output end, ground glass cover being sleeved in the outer surface of the driving wheel, the adjusting component includes guiding rod being movably connected in the fixed frame surface, electric telescopic rod being arranged in the fixed frame surface, driven wheel being movably connected in the guiding rod surface, and the output end of the electric telescopic rod is fixedly connected with the electric telescopic rod.The utility model can flexibly adjust the position of driven wheel according to specific needs by setting adjusting component, adapt to different processing requirements, improve the operation flexibility and application range of equipment.

The application provides a kind of right-angle prism concave numerical control processing method based on machine vision, belongs to right-angle prism processing field, comprising: setting ground glass between imaging mechanism and right-angle prism surface to be processed, ground glass is located on the optical axis of imaging mechanism;Parallel light is irradiated to convex surface, imaging mechanism is moved to obtain focal position, with the focal position as origin, imaging mechanism is moved to approach or move away from right-angle prism along the optical axis direction of imaging mechanism, respectively collect the most clear light spot image on ground glass when moving in two directions, the center of two light spot images is calculated;According to the center of two light spot images, a first straight line is constructed, a plane equation of the surface to be processed is constructed, an intersection point of the first straight line and the plane equation is taken as the origin to establish a processing coordinate system, a concave surface processing program generated based on the mathematical model of right-angle prism is used to process the surface to be processed, and a concave surface is obtained.The application can improve the processing precision and reduce the labor cost.

The invention provides a full-automatic polishing machine. According to the full-automatic sweeping machine, a feeding disc and a discharging disc are arranged on a feeding and discharging sheet arranging table; the glass feeding assembly comprises a glass feeding bin and a feeding conveying part, the glass feeding bin is located on the peripheral side of the feeding and discharging sheet arranging table and is close to the feeding disc relative to the discharging disc, the glass feeding bin is used for providing glass sheets, and the feeding conveying part is used for conveying the glass sheets in the glass feeding bin to the feeding disc; the sweeping assembly is located on the side, not provided with the glass feeding bin, of the feeding and discharging sheet arranging table and used for grinding the glass sheets; the gantry assembly comprises a material taking suction cup, the material taking suction cup is movably arranged above the light sweeping assembly and the feeding and discharging sheet arranging table along the X axis, the Y axis and the Z axis, and the material taking suction cup is used for feeding the glass sheets in the feeding disc into the light sweeping assembly and discharging the glass sheets ground by the light sweeping assembly to the discharging disc. The polishing machine solves the problems that in the prior art, a polishing machine is low in automation degree and low in production efficiency.

This application relates to the field of semiconductor manufacturing and discloses a glass substrate processing equipment and method. The equipment includes: a grinding unit, comprising a first grinding element, a second grinding element, and a carrier element. The first and second grinding elements are disposed opposite each other and used for grinding the glass substrate. The carrier element is located between the first and second grinding elements and has at least two carrier areas for carrying the glass substrate. The carrier element is configured to drive the glass substrate it carries to rotate relative to the first and second grinding elements, so as to achieve simultaneous grinding of both sides of at least two glass substrates. A cleaning unit is disposed downstream of the grinding unit and is used to clean the ground glass substrate. A drying unit is disposed downstream of the cleaning unit and is used to dry the cleaned glass substrate. A transfer unit is used to transfer the glass substrate between the grinding unit, the cleaning unit, and the drying unit, realizing integrated dry-in and dry-out processing of multiple square or round glass substrates of different specifications.

The invention belongs to the technical field of optical measurement, and particularly relates to a laser speckle micro-nano displacement measurement device and method resistant to environmental interference. In the prior art, a scheme for measuring displacement by adopting single-light-path laser speckles is adopted, the measurement result is superposition of real displacement and displacement noise introduced by environmental disturbance, and the measurement result is easily interfered by external factors such as environmental vibration and air disturbance. Therefore, the signal-to-noise ratio is low and the precision and the stability are difficult to guarantee in the displacement measurement of micron and nanometer magnitudes. According to the device, laser serves as a light source and irradiates ground glass fixed to piezoelectric single crystal wafers of different sizes to generate a speckle field, a speckle image is analyzed through a two-dimensional digital image correlation algorithm, and then the infinitesimal displacement is obtained through calculation. For the influence of environmental disturbance (such as tremor) on the measurement precision, the introduced displacement noise and the minimum displacement to be measured are in the same magnitude, and a digital image correlation algorithm is difficult to reflect the influence in real time.

According to the edge grinding device for cleaning and drying the glass on the two sides, the screening machine comprises the transferring device, the edge grinding device body, the fixing device, the collecting box and the cleaning and drying device, the transferring device is used for conveying the glass and automatically transporting the glass from each link, manual conveying is not needed, manpower resources are saved, and the production efficiency is improved. The edge grinding device body is used for grinding, polishing and the like of the edges of the glass, so that the glass is safer and more attractive, the quality of the produced glass is improved, the fixing device is used for fixing the ground glass, and the situation that the production quality is affected due to grinding deviation caused by glass displacement, glass size change and the like is prevented; the collecting box is used for collecting waste water and waste chips generated during grinding, subsequent cleaning is facilitated, the environment is protected, the cleaning and drying device is used for conducting double-face cleaning and drying on ground glass, products are kept clean, subsequent packaging and selling are facilitated, the automatic process is achieved, and the working efficiency is improved.

The application relates to the technical field of pest control, in particular to a natural enemy insect releasing device for forest pest control, which comprises a UAV body, a fixing seat fixed at the bottom end of the UAV body and a plurality of stainless steel pipe releasing barrels fixed at the bottom end of the fixing seat at equal angles. When the sealing cover plate is opened for releasing, the smooth material surface of the arc-shaped glass sheet contacts with insects, the surface of the arc-shaped glass sheet is free of fiber protrusions and has extremely low friction coefficient, crawling insects can smoothly climb to the releasing port, the climbing success rate is obviously improved, and the subsequent predation and breeding capacity is not affected. When the sealing cover plate is closed and releasing is not performed, the ground glass roller rotates to drive the ground glass surface to face the inside of the stainless steel pipe releasing barrel, sufficient climbing support points are provided for insects, the insects can climb to different heights of the inner wall of the stainless steel pipe releasing barrel, the problem that the insects are crowded and accumulated at the bottom of the stainless steel pipe releasing barrel is solved, and the body surface damage and suffocation risk caused by extrusion are avoided.

The present invention provides a method for preparing a pozzolanic material, which includes the following steps: collecting waste glass; crushing the waste glass into waste glass particles having a predetermined size; and grinding the waste glass particles to obtain finely ground glass powder having a predetermined particle size and a predetermined particle size distribution for serving as the pozzolanic material. The present invention further provides a pozzolanic material prepared by the method, as well as a product manufactured using the pozzolanic material.

Non-hydraulically reactive blended particulate compositions for use in making low carbon blended cement or low carbon concrete include a pozzolanic component having a first D90 and a mineral filler component having a second D90 greater than the first D90 dry blended without intergrinding, wherein the composition is free of hydraulic cement. The pozzolanic component can have a D90 less about 45 μm and the mineral filler can have a D90 greater than about 45 μm. The pozzolanic material can be fly ash, bottom ash, metallurgical slag, silica fume, metakaolin, volcanic ash, natural pozzolan, calcined shale, calcined clay, and / or ground glass. The mineral filler component can be aggregate fines, quarry fines, limestone powder, granite fines, stone dust, rock dust, marble dust, mine tailings, pulverized bottom ash, pulverized metallurgical slag, ground recycled concrete, pulverized shale from shale oil extraction, or pulverized sand from tar sand extraction.

Non-hydraulically reactive blended particulate compositions for use in making low carbon blended cement or low carbon concrete include a pozzolanic component having a first D90 and a mineral filler component having a second D90 greater than the first D90 dry blended without intergrinding, wherein the composition is free of hydraulic cement. The pozzolanic component can have a D90 less about 45 μm and the mineral filler can have a D90 greater than about 45 μm. The pozzolanic material can be fly ash, bottom ash, steel slag, silica fume, metakaolin, volcanic ash, natural pozzolan, calcined shale, calcined clay, and / or ground glass. The mineral filler component can be aggregate fines, quarry fines, limestone powder, granite fines, stone dust, rock dust, marble dust, mine tailings, pulverized bottom ash, pulverized metallurgical slag, ground recycled concrete, pulverized shale from shale oil extraction, or pulverized sand from tar sand extraction.

The invention discloses a privacy protection camera based on an optical engineering scattering sheet and a privacy protection method thereof.The privacy protection camera comprises a camera module, the camera module is provided with the engineering scattering sheet, the engineering scattering sheet is made of POG materials, the divergence angle of the engineering scattering sheet is 1 + / -0.5 degrees, the light transmittance of the engineering scattering sheet is larger than 85%, and the light transmittance of the engineering scattering sheet is larger than 90%. The POG material comprises a glass substrate and surface polymer micro-lens array layers, the surface polymer micro-lens array layers are randomly distributed, and the height difference is 0-2 [mu] m; according to the invention, no complex algorithm is needed, sensitive detail blurring is realized through optical regulation and control of the engineering scattering sheet, and the cracking difficulty is far higher than that of a digital algorithm; through controllable scattering, only details are fuzzy, and overall contour and action recognition is not affected; the circular defocused spots ensure uniform diffusion of facial details, the diffusion angle is controllable, and privacy and recognition requirements can be balanced; the POG material structure combines the high stability of the glass and the microstructure precision of the polymer, the light transmittance is greater than 85% and is better than that of ground glass which is less than 70%, and the glass has no deformation after long-term use.

The application provides a kind of calibration device and method of laser spot analyzer, it is related to instrument metrology field.The device includes: laser, beam expander, first lens, rotating ground glass, second lens, reflective spatial light modulator, 4f imaging system;Beam expander is used to expand the laser beam emitted by laser;First lens is used to converge optical beam to ground glass surface;Rotating ground glass is used to convert optical beam into partially coherent beam;Second lens is used to project partially coherent beam onto spatial light modulator;Spatial light modulator is used to modulate optical beam;4f imaging system is used to image optical beam at light source surface.This device uses spatial light modulator to shape optical beam, can output stable, adjustable beam width laser beam at the same position, this device reduces the input laser spatial coherence to obtain partially coherent beam, reduces the influence of environmental disturbance on measurement results, and can be used for high-precision calibration of laser spot analyzer.

The utility model provides a kind of water conservancy project pipeline protective cover, it is related to pipeline protection technical field, including protective wear platform, the inside fixed mounting of protective wear platform has elastic protection pole, the one end fixed mounting of elastic protection pole has ground glass block, the other end fixed mounting of elastic protection pole has protective shell.The utility model has the advantages that between the structure and the protection structure of water conservancy pipeline fixation, elastic support structure is set, and ground glass structure is connected in one end of support structure, the energy acting on protection structure is absorbed to a certain extent using the elastic deformation of elastic structure, and elastic structure drives ground glass structure to move in the process of deformation, and kinetic energy is converted into certain heat by friction in the process of moving of ground glass structure, the energy acting on protection structure can be consumed to a certain extent, to reduce the external damage energy acting on water conservancy pipeline, reduce the damage of external water conservancy pipeline.

The main objective of this invention is to provide an efficient method for manufacturing a polished glass plate for display. This method is characterized in that, if any glass plate in the third glass plate group of any polishing machine in the first system breaks during polishing, the broken glass plate is not recycled. Then, the other glass plates in the third glass plate group that have completed polishing normally, and the glass plates in the first glass plate group to be polished from this point onward, are simultaneously transported with the same amount of movement. Next, the glass plate to be polished by the polishing machine that malfunctioned is not supplied to the first system, but is transported downstream together with the other glass plates in the third glass plate group that have completed polishing normally. Finally, the glass plate to be polished by the polishing machine that malfunctioned is determined to be insufficiently polished through an inspection process and is then re-polished.

The invention provides a halogen-free red phosphorus-free flame-retardant polyamide composition as well as a preparation method and application thereof, and the halogen-free red phosphorus-free flame-retardant polyamide composition comprises the following components in parts by weight: 20-62 parts of semi-aromatic polyamide resin, 20-50 parts of glass filler, 4-30 parts of inorganic filler, 10-22 parts of a halogen-free flame retardant, 0.5-3 parts of a flame-retardant synergist and 0.5-4 parts of an antioxidant compound, wherein the glass filler is one or more of ground glass fibers, glass powder or glass fibers with non-circular cross sections; the antioxidant compound contains an aromatic amine antioxidant; the polyamide composition provided by the invention has excellent flame retardant property, IPTT is greater than or equal to 1.5 kV, and the polyamide composition does not contain halogen, is low in smoke, non-toxic or low in toxicity during combustion, does not contain a red phosphorus flame retardant, and can avoid the defects of hygroscopicity, corrosivity, toxicity, respiratory tract irritation and the like caused by the red phosphorus flame retardant.

A system and method for generating a pozzolanic powder material, or ground glass pozzolan, also referred to as GGP, from silica-based waste materials (recycled glass) wherein at least 90% (±2%) of the pozzolanic particles of the GGP have a particle size of about 20 µm (±2 µm) and / or less. In an embodiment the powder material may have a mean pozzolanic particle size of 5 µm ± 2µm). The system may include an impact mill that incorporates a conical inner liner and corresponding rotor that includes grinding elements; and the inner liner and grinding elements are composed of a ceramic-metallic material. A cementitious mixture according to aspects of the invention including a combination of OPC and GGP may comprise between about 10% to about 25% by weight of GGP wherein least 90% (±2%) of the pozzolanic particles of the GGP have a particle size of about 20 µm (±2 µm) and / or less.

The application discloses a low-temperature plasma dielectric barrier discharge reactor device and application of the device in methane selective oxidation reaction. The device comprises a high-voltage electrode, saturated NaCl solution, a discharge glass reaction tube, a glass sleeve, a ground glass tube, a polytetrafluoroethylene sleeve I, a polytetrafluoroethylene sleeve II and an inner glass tube. The high-voltage electrode is composed of the saturated NaCl solution covering the inner glass tube. The device can realize efficient activation and conversion of methane and oxygen at normal temperature and pressure, and significantly improves the yield of oxygen-containing compounds.

The invention relates to the technical field of position compensation, in particular to a multi-grinding-position compensation method based on benchmark series connection, and mainly solves the technical problems that an existing position compensation method is large in parameter configuration number, low in grinding debugging efficiency and poor in multi-grinding-position precision consistency. According to the method, a certain grinding mechanism is selected as a reference unit, only reference compensation parameters of all grinding positions corresponding to the reference unit are calibrated, and meanwhile rigid transformation matrixes of other grinding mechanisms relative to the reference unit are calculated; according to the reference compensation parameters and the rigid transformation matrix, accurate compensation parameters of the to-be-ground glass product at the grinding positions and corresponding to the grinding mechanisms are obtained through deduction, and therefore grinding machining of the multiple grinding positions by the multiple grinding unit mechanisms is achieved. According to the method, the configuration workload of compensation parameters can be reduced, the assembly flexibility and debugging efficiency of a production line can be effectively improved, and it can be ensured that the machining precision of all grinding positions has good consistency.

A lightweight veneer system and method for producing a construction material that simulates the appearance of natural finishes such as stone, brick, or exposed concrete while providing improved technical characteristics. The system incorporates a precise sequence of mixing water, acrylic polyester resin, recycled ground glass, calcium carbonate, fiberglass, and iron oxides for coloration, followed by the addition of white or gray cement and plaster. The specialized process involves treating molds with release agents and pigments to ensure natural-looking textures and colors. The material is then poured into molds, vibrated to remove air pockets, and cured in a controlled environment to achieve optimal hardness and moisture content. The final product is significantly lighter than conventional materials, offering advantages in transportation and installation. This environmentally conscious method includes recycling of both water and defective materials back into the production process, emphasizing sustainability alongside industrial efficiency.

The invention relates to a liquid elastic modulus measuring system and method based on an ultrasonic grating Moire effect, and aims to solve the problems of non-visual physical phenomenon, poor teaching demonstration effect and the like in an existing liquid elastic modulus measuring experiment. Comprising a plane light source, an ultrasonic field system, a plano-concave lens, a known grating assembly, an angle sliding table, a ground glass screen and an industrial camera, and the ultrasonic field system excites ultrasonic standing waves in a water tank to form an ultrasonic grating; the plano-concave lens is used for amplifying ultrasonic grating constants so that the ultrasonic grating constants can be overlapped with known gratings which are arranged on the light emitting side of the plano-concave lens and are adjusted through the angle sliding table and accurately positioned, clear moire fringes are generated, fringe images are collected through the industrial camera, moire fringe intervals are measured through calibration, and the elastic modulus of the liquid is calculated by combining the liquid sound velocity and density. According to the invention, micron-scale ultrasonic grating constant measurement is converted into centimeter-scale moire fringe interval measurement, so that the measurement precision and the experiment intuition are effectively improved, and the method has popularization value in physical experiment teaching.

The invention provides an external cavity tunable laser speckle suppression device and method, and relates to the technical field of optical instruments, the external cavity tunable laser speckle suppression device comprises a displacement table, a base, a brushless motor and a ground glass sheet; the displacement table comprises a base and a micrometer head, and the micrometer head is rotationally installed on the base; the base is installed on the top face of the micrometer head, a through hole and a light-transmitting groove used for a laser light source to penetrate through are formed in the base, and the axis direction of the through hole is perpendicular to the axis direction of the micrometer head. The brushless motor is mounted on the base, and a rotor shaft of the brushless motor penetrates through the through hole and is coaxial with the through hole; the ground glass sheet is installed on a rotor shaft of the brushless motor and shields the light-transmitting groove. The micrometer head drives the base to rotate, the angle of the base is adjusted, it is guaranteed that the laser light source vertically enters the ground glass sheet, huge intensity noise caused by power jitter during laser tuning is avoided, and the measurement precision is improved.

The invention discloses an ultra-smooth transparent organic thin film and a one-step dispensing preparation method thereof. The organic film is prepared from chiral amphiphilic organic molecules (shown as a formula I or a formula II, n = 4-12) with a specific structure through a solution drop casting method, the method is simple in process, and the film can be formed within several minutes only by dispensing a molecular solution on a substrate and standing for volatilization without complex equipment. The film provided by the invention has the advantages of nanoscale thickness, extremely low surface roughness and excellent visible light transmittance, and the thickness can be linearly regulated and controlled through the concentration of a solution. The thin film is particularly suitable for being used as an antireflection film, and the light transmittance of a rough substrate (such as ground glass) can be remarkably improved. The method has good application prospects in the fields of optical coatings, electronic device packaging, surface modification and the like.

The invention relates to a polyphenylene sulfide composite material suitable for laser sintering and a preparation method of the polyphenylene sulfide composite material. The polyphenylene sulfide composite material can be used for preparing parts, such as automobiles, electronic and electrical products, robots and the like, which have the requirements of complex structures, high temperature resistance, high flame retardancy, dimensional stability and chemical resistance through laser sintering, printing and molding. The polyphenylene sulfide composite material is prepared from polyphenylene sulfide powder, ground glass fibers, potassium titanate whiskers, hexagonal boron nitride, graphene ethanol slurry, a powdery silane coupling agent, hydrophobic modified fumed silica and an antioxidant. The polyphenylene sulfide composite material prepared by the invention has excellent powder flowability, good powder leveling property during powder laying and excellent melting effect during laser sintering molding, and a prepared sample has the characteristics of fine surface, few internal defects, low warping and excellent anisotropic mechanical properties.