55 results about "Ground glass" patented technology

The invention relates to a reinforced nylon 66 material as well as a preparation method and application thereof. The reinforced nylon 66 material comprises the following components in parts by weight: 20-45 parts of low-viscosity nylon 66; 20 to 45 parts of high-viscosity nylon 66; 15 to 30 parts of ground glass fiber; 3-6 parts of a toughening agent; 0-10 parts of kaolin; 0.8 to 2 parts of a lubricant; 0.2 to 0.4 part of a silane coupling agent; and 0.3 to 0.8 part of an antioxidant. The reinforced nylon 66 material is used for extrusion molding of plates or sheets. Compared with the prior art, the reinforced nylon 66 material prepared by the invention has the advantages that the processing window of extrusion molding is effectively improved by adopting a scheme of compounding high-viscosity nylon 66 and low-viscosity nylon 66, the size stability of a profile is improved and the cost is reduced by adopting ground glass fibers, and further, the surface smoothness of the profile can be better by adding a small amount of kaolin; through particle extrusion, the reinforced nylon 66 material for extrusion molding of sheets or plates is prepared.

The application discloses a multi-projection structured light coordinate system automatic correction method, which discloses the following steps: step one: the whole ground glass screen is divided into X areas, from area 1 to area X, the height is continuously rising, and the rising height is the depth of field requirement of the whole system; step two: area 1 is placed at the lower depth of field position of the whole system to shoot, then the ground glass screen is rotated, so that the whole system shoots area 1 to area X in turn. When the last area is shot, it is just in the upper depth of field area; step 3: a circular ring mark plate is placed at the 0 plane position to shoot a group of pictures; step 4: calibration is carried out, and the corrected calibration parameters can be obtained.

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 utility model discloses a toughened glass stress spot observation lamp box, the lamp box comprises a lower sheet table, an LED lamp tube is arranged in the lamp box, one side of the lamp box is provided with frosted glass and a polaroid in sequence from inside to outside, and one side of the lower sheet table is provided with a polariscope, by adopting the toughened glass stress spot observation lamp box, the observation efficiency is improved, the operation process is simplified, and the production cost is reduced. And the cost can be reduced.

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.

The invention belongs to the technical field of glass production, and discloses a wall-mounted foldable glass fragment cleaning bracket and a use method, a foldable support frame is arranged below a wall suction hole of a wall body, and a hose bracket for supporting a wall suction hose is arranged on the support frame. When ground cullet is sucked, the folding type supporting frame is unfolded firstly, the hose bracket is located at the horizontal supporting position, and then the wall suction hose is placed on the hose bracket. At the moment, the hose bracket stably supports the wall suction hose, the pulling effect of the gravity of the hose on the section close to the ground is directly counteracted, and the hose is prevented from naturally drooping and being bent due to the gravity; meanwhile, the supporting frame is located below the wall suction hole, so that a linear supporting structure of the wall suction hole, the hose bracket and the ground suction end is formed in the path of the hose from the wall suction hole to the ground, the middle section of the hose is effectively prevented from being bent due to gravity, it is guaranteed that airflow in the hose is always smooth, and therefore the problems in the prior art are solved.

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 invention relates to the technical field of chemistry and chemical engineering experimental equipment, in particular to a dustproof pipe for a rapid steaming instrument, which comprises an upper connecting pipe, a lower connecting pipe, an outer gas-guide pipe, an inner gas-guide pipe and a dustproof plate which are integrally designed. The upper connecting pipe is a conical inner ground glass pipe or a glass flange; the lower connecting pipe is a conical glass pipe with an external ground opening, which can extend into the evaporating flask and is tightly attached to the opening of the evaporating flask; the outer gas guide tube is a reducing glass tube or a hollow glass ball positioned between the upper connecting tube and the lower connecting tube; the dustproof plate is a breathable thin plate located at the bottom of the lower connecting pipe. And the inner gas-guide tube is a glass tube which is positioned in the outer gas-guide tube, and the axis of the inner gas-guide tube coincides with the axis of the outer gas-guide tube. The dustproof pipe for the rapid steaming instrument has the advantages that the application range of the rapid steaming instrument in the field of chemistry and chemical engineering can be expanded, and the dustproof pipe for the rapid steaming instrument has important significance in improving the environment of a scientific research laboratory.

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 utility model relates to a vortex light phase singular point decomposition device, which comprises a laser module, the laser module emits laser with resonance wavelength with an alkali metal atom D1 line, and the laser sequentially passes through an isolator, a lens A, a lens B, a reflecting mirror and a polaroid A and enters an alkali metal atom medium after being reflected by a polarization splitting prism A; the laser is emitted from the alkali metal atom medium and then is reflected by a polarization splitting prism B to enter a light collector B; incident vortex light is processed by the window sheet A, the diaphragm A, the diaphragm B, the ground glass sheet, the polaroid B and the lens C, then transmitted and enters the alkali metal atom medium through the polarization splitting prism A. The incident vortex light is emitted from the alkali metal atom medium, then transmitted and passes through the polarization splitting prism B, and is processed by the lens D and the window sheet B, and then emergent vortex light subjected to phase singular point decomposition is output. According to the method, the decomposition of the phase singular point with the larger topological charge to the phase singular point with the topological charge of + / -1 is realized, and the method has potential application value in the quantum communication technology based on the atomic medium.

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.

The invention provides a method for simply recovering carbon from waste glass fiber reinforced plastic and an electrode material. The method comprises the following steps: S1, crushing and grinding the waste glass fiber reinforced plastic into glass fiber reinforced plastic powder; s2, physically separating the ground glass fiber reinforced plastic powder according to the specific gravity of resin and glass fiber to obtain resin powder; s3, the resin powder and acid are mixed for a reaction, and pre-carbonized powder is obtained; s4, pyrolyzing the pre-carbonized powder to obtain carbon powder; wherein the weight ratio of the acid to the resin in the step S3 is (0.1-1): 1, and the mass concentration of the acid is 10-100%. According to the method, the crushed glass fiber reinforced plastic particles are further ground into the powder with the micron particle size, then the obtained glass fiber reinforced plastic powder is directly subjected to physical separation to obtain the resin powder, the acid and the resin powder react, and then low-temperature pyrolysis is conducted, so that the carbon recovery rate is increased, and the electrical performance of subsequent hard carbon can be improved.

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 application belongs to the technical field of glass grinding, and particularly relates to a glass grinding device which comprises a grinding workbench, a supporting seat is fixedly installed below the grinding workbench, a plurality of receiving benches are fixedly installed on the front end face of the supporting seat, the plurality of receiving benches are arranged in a linear array on the front end face of the supporting seat, a placing groove is formed in the upper end face of each receiving bench, the placing groove is used for placing glass to be ground, a grinding seat is installed on the front end face of the supporting seat, the grinding seat is integrally formed by a driving seat and a grinding head, an external pump body is controlled to flow cooling liquid from a cooling liquid pipe and to the grinding position of the glass end face, then the stirring mechanism can stir the doped glass slag and the cooling liquid after use, and the recovery of the doped glass slag and the cooling liquid is accelerated, the discharging mechanism can automatically take out the ground glass, the problem that the glass is difficult to take out due to the fact that the glass is too close to the groove wall of the placing groove is avoided.

1. The name of the design product: cup cover (ground glass arc flip cover). 2. The use of the design product: cup cover for cup. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model belongs to the technical field of screens, and particularly relates to a glass duplex movable screen which comprises a balance weight base, a first frame is arranged on the upper right portion of the balance weight base, a second frame is arranged on the upper left portion of the balance weight base, and universal wheels are installed at the bottoms of the ends, away from each other, of the first frame and the second frame. Frosted screen glass is mounted on the inner side of the first frame and the inner side of the second frame in an embedded mode, a rotary connecting assembly is arranged between the first frame and the second frame, an adjusting assembly is arranged on the right side of the bottom of the rotary connecting assembly, and a fixing block is fixedly mounted on the upper front portion of the balance weight base. The middle outer wall of the top end of the fixing block is in threaded connection with a positioning bolt. The opening and closing angle of the duplex screen can be rapidly adjusted, operation is easy, self-locking of the opening and closing angle of the screen can be achieved after adjustment, change caused by external factors is avoided, and it is guaranteed that the screen is stably placed and used.

The invention relates to a polishing method of a notebook computer display screen and the notebook computer display screen, and belongs to the technical field of display screen manufacturing, the polishing method of the notebook computer display screen comprises the following steps: a pretreatment stage: pretreating the surface of a glass substrate to form a microstructure stress guide channel; a coarse grinding stage: thinning the glass substrate on which the microstructure stress channel is formed by adopting a compound abrasive with a first preset concentration to obtain a coarsely ground glass substrate; a fine grinding stage: performing fine grinding and thinning on the coarsely ground glass substrate by adopting a compound grinding material with a second preset concentration to obtain a finely ground glass substrate; and a polishing stage: polishing the finely ground glass substrate by using a polishing solution to obtain the polished glass substrate. The method has the advantages that the problem of stress concentration caused by a traditional thinning method is solved, and the strength and impact resistance of the glass substrate are guaranteed while thinning is facilitated.