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Lining and semiconductor processing chamber
ActiveCN119650394AUniform voltage distributionGuaranteed grounding effectElectric discharge tubesSemiconductor/solid-state device manufacturingMechanical engineeringSemiconductor
The invention provides a lining which comprises a lining body and at least one grounding structure arranged on the lining body, the grounding structure comprises a grounding main body, a connecting part and a grounding part, the grounding main body is strip-shaped, the grounding main body and the lower end of the lining body are arranged at an interval, the connecting part is arranged at at least one end of the grounding main body in the extension direction, and the grounding part is arranged at the lower end of the lining body. The connecting part is connected with the lower end of the lining body and is electrically conducted; the grounding part and the connecting part are arranged at an interval along the extension direction of the grounding main body; the grounding part is used for being fixedly connected with a grounding piece in use and is electrically conducted. The invention also provides a semiconductor processing chamber.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD
A preparation method of a new cement grinding aid
The present invention relates to a preparation method of a novel cement grinding aid, belonging to the field of building materials. This method adopts triethanolamine maleate, 1,6-hexyldithiol, oleylamine, and glycerol allyl ether to generate a thiol addition reaction; a novel cement grinding aid with a fat segment, a negatively charged group, and an alcoholamine group is generated; the novel cement grinding aid prepared by the present invention contains three groups in the molecule: a fat segment, a negatively charged group, and an alcoholamine group, and the three have a certain effect on grinding aid; the negatively charged group is adsorbed on cement particles with positive charge during grinding, eliminating the surface electric field of the mud particles and avoiding their re-healing; the fat segment plays a role in accelerating the flow and wetting the fresh interface and avoiding over-grinding during grinding; and the alcoholamine group has a good softening effect on cement particles. When the distribution ratio of various functional groups on the grinding aid molecule is appropriate, it can not only play an active dispersing role, but also make the powder fully ground to avoid the powder running coarse.
Owner:YICHUN HONGSHI CEMENT CO LTD
Surface self-adaptive high-precision grinding device of precision metal workpiece for vibration table
ActiveCN224182788UEasy to GrindFully groundedGrinding drivesLapping machinesHydraulic cylinderGear wheel
The utility model discloses a surface self-adaptive high-precision grinding device for a precision metal workpiece for a vibrating table, and relates to the technical field of precision metal workpiece grinding. The device comprises a base. A first transmission wheel, a transmission belt, a second transmission wheel, an adapter block and a grinding wheel are conveniently driven to rotate in a transmission mode through a second driving motor, the surface of a workpiece is conveniently ground through the grinding wheel, and limiting plates are conveniently driven to be connected to clamp and limit the workpiece through two second electric hydraulic cylinders; the first electric hydraulic cylinder is used for conveniently driving the workbench to ascend and descend so that the surface of the workpiece can be attached to the grinding wheel, the first driving motor is used for conveniently driving the half gear and the transmission gear to rotate, and the workbench, the silica gel pad and the workpiece can be conveniently driven to intermittently rotate through the shape characteristic of the half gear; and after the grinding wheel linearly grinds the surface of the workpiece, the position of the workpiece is rotationally adjusted, so that the grinding wheel continuously linearly grinds the surface of the workpiece.
Owner:SUZHOU HENGMU PRECISION PARTS CO LTD
Surface grinding machine capable of collecting dust during grinding groove machining
ActiveCN222430195UFully groundedavoid pollutionGrinding carriagesGrinding work supportsPolluted environmentSurface grinding
The utility model discloses a surface grinder for grinding groove processing and dust collection, which relates to the technical field of surface grinders and comprises a base, a straight column is fixedly connected to the bottom of the base, a grinding carriage is slidably connected to the outer surface of the straight column, and a rotary grinding wheel is rotatably connected to the bottom of the grinding carriage. The top of the base is fixedly connected with a machining groove, the machining groove is located under the grinding wheel frame, the inner surface of the machining groove is slidably connected with a clamping device, the bottom of the machining groove is fixedly connected with a dust suction device, and the outer surface of the dust suction device is fixedly connected to the inner surface of the base. According to the surface grinding machine for grinding groove machining and dust collection, a part to be machined is fixed through the clamping device, the clamping device is matched with the rotating grinding wheel, the part to be machined can be comprehensively ground, the body health of workers can be protected through the dust collection device, and dust generated during machining is prevented from flying everywhere and polluting the environment.
Owner:JIANGSU LINGYUN MASCH TOOLS CO LTD
Synthesis method of cyantraniliprole
PendingCN119455863AFully groundedavoid enteringProcess control/regulationOrganic chemistryChlorobenzenePropionitrile
The invention discloses a synthetic method of cyantraniliprole, and belongs to the technical field of production of cyantraniliprole, and the synthetic method comprises the following steps: step 1, taking o-chlorobenzoic anhydride as an initial raw material, and adding the o-chlorobenzoic anhydride and other raw materials into synthesis equipment; step 2, firstly carrying out amidation reaction on the ester group at the 1-position of the benzene ring and amino to generate an intermediate product, then carrying out amidation reaction on the ester group at the 2-position of the benzene ring, and using 2-amino-2-methylpropionitrile as a reactant; 3, after the two amidation reactions are completed, post-treatment is conducted, a product is purified and crystallized, and finally the cyantraniliprole product is obtained. The raw materials can be slowly pushed in batches, a large amount of raw materials are prevented from entering the reaction cylinder in a concentrated mode, the raw materials are ground before being added, the caked raw materials are prevented from directly entering the reaction cylinder, and efficient reaction is facilitated.
Owner:ZHEJIANG ZHONGSHAN CHEMICAL GROUP CO LTD
A crusher for agglomerated materials
This utility model discloses a crusher for agglomerated materials, including a frame, a crushing component, a grinding component, and a collecting box. The frame has a first working chamber, a second working chamber, and a third working chamber. The crushing component includes a crushing claw and a first screen. The crushing claw is rotatably installed in the first working chamber, and the first screen is disposed between the first working chamber and the second working chamber. The grinding component includes a grinding roller and a second screen. The grinding roller is rotatably installed in the second working chamber, and the second screen is disposed between the second working chamber and the third working chamber, with the grinding roller abutting against the second screen. The collecting box is slidably installed in the third working chamber, directly below the second screen. The agglomerated material to be crushed is fed into the first working chamber, which can crush the agglomerated material into fine powder. It has a simple structure, small footprint, convenient operation, and high crushing efficiency.
Owner:CHANGZHOU GELEITE CHEM ENG CO LTD
Shielded wire grounding clip
ActiveCN222320524UFully groundedClamp firmlyClamped/spring connectionsConnection contact member materialStable fixationControl theory
Owner:CHINA TOBACCO ANHUI IND CO LTD
Leg structure for multi-legged platform
ActiveCN119408632ASimple structuresave energyVehiclesPhysical medicine and rehabilitationElectric machinery
The invention relates to a leg structure for a multi-legged platform, belongs to the technical field of mobile carriers, and solves the problems that each joint of a multi-legged platform in the prior art needs to be driven by a motor, the structure is complex, and energy is wasted. The robot comprises a thigh unit, a shank unit, a foot unit, a motor and a transmission unit, one end of the thigh unit is connected with a multi-foot platform, the shank unit is connected with the other end of the thigh unit and the foot unit, and the motor is arranged on the thigh unit. Compared with the prior art that a motor needs to be arranged at each joint to drive a machine leg, the leg structure of the embodiment can drive the shank unit and the foot unit to swing at the same time only through one motor, the first driving rope, the second driving rope, the third driving rope and the fourth driving rope, bending and stretching movement of the leg structure is formed, the structure is simple, and energy is saved.
Owner:STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO
Batching device for pharmaceutical production
ActiveCN222427660Uquality improvementFully groundedTransportation and packagingLavatory sanitoryPharmacy medicinePharmaceutical drug
The utility model relates to the technical field of medicine production, and discloses a batching device for medicine production, which comprises a grinding device, a feeding device is arranged at the upper end of the grinding device, the grinding device comprises a box body, and a grinding mechanism, a stirring mechanism and a sterilizing mechanism are sequentially arranged in the box body from top to bottom. And a screen is fixedly connected to the position, between the grinding mechanism and the stirring mechanism, of the box body, a vibration block is arranged at the lower end of the screen, and a lifting cylinder is fixedly connected to the right end of the box body. According to the batching device for medicine production, medicine powder ground by the grinding mechanism is screened through the screen, large-particle medicine powder falls into the lifting cylinder, the first motor is started, the first motor drives the spiral roller to rotate, the spiral roller drives the medicine powder to ascend, the medicine powder enters the box body again through the material guide pipe for secondary grinding, and therefore automatic repeated grinding is facilitated; and the medicine with large granularity is completely ground, and the medicine batching quality is improved.
Owner:HARBIN SONGHE PHARM FACTORY
Nutritional flour production device
ActiveCN224194845UReduce the temperatureAvoid thermal denaturationClimate change adaptationCocoaCold airThermodynamics
The utility model relates to the technical field of flour processing, in particular to a nutritional flour production device which comprises a box body, the interior of the box body is rotationally connected with the feeding pipe, one side of the feeding pipe is in pipeline connection with an air conveying pipe, the end, away from the feeding pipe, of the air conveying pipe is in pipeline connection with a refrigeration fan, the interior of the feeding pipe is uniformly and fixedly connected with a plurality of air dispersing pipes, one end of each air dispersing pipe is in pipeline connection with an air conveying pipe, and the end, away from the air conveying pipe, of each air dispersing pipe leads to the inner grinding disc; according to the utility model, through the cooperation of the refrigeration fan and the air dissipation pipe, cold air flow is conveyed to the inside, heat generated in the grinding process is absorbed, nutrient substance structures in grains are effectively prevented from being heated to be denatured or lost, and the produced flour is ensured to be high in nutritional value and good in quality, and the inner millstone, the middle millstone and the outer millstone are arranged, so that the production efficiency is improved. And multi-stage grinding from coarse to fine is realized, so that grains can be ground more uniformly and comprehensively, and the ground flour is finer and smoother.
Owner:山东麦力健食品科技有限公司
Chinese magnoliavine fruit traditional Chinese medicine processing technology and equipment
InactiveCN119500324Aincrease contactIncrease the level of detailGrain treatmentsWater storage tankProcess engineering
The invention provides Chinese magnoliavine fruit traditional Chinese medicine processing equipment, and relates to the technical field of Chinese magnoliavine fruit processing, the Chinese magnoliavine fruit traditional Chinese medicine processing equipment comprises a grinding shell, the grinding shell is provided with a grinding mechanism facilitating uniform grinding of Chinese magnoliavine fruits, and the grinding shell is provided with a temperature control mechanism for controlling the temperature during grinding of the Chinese magnoliavine fruits; the grinding mechanism comprises a grinding groove, a collecting pipe, a grinding roller, a C-shaped frame and a pressing plate, the temperature control mechanism comprises a water storage tank, and the water storage tank is fixedly installed at the side end of the grinding shell. According to the device, the pressing plate, the conical needle, the collecting pipe and the filter screen are matched, so that the device can automatically scatter Chinese magnoliavine fruit powder, gather Chinese magnoliavine fruit materials and collect the Chinese magnoliavine fruit powder, the scattering, the gathering and the collecting of the Chinese magnoliavine fruit powder can be simultaneously realized in the moving grinding process of the grinding roller, the grinding engineering does not need to be interrupted, manual intervention is not needed, and the working efficiency is improved. And continuous and efficient grinding is guaranteed, and then multi-batch grinding of the schisandra chinensis materials is achieved.
Owner:BAOJI XIANGYUAN HERBAL SLICE INDSUTRY
A vertical roller mill and a manufactured sand production system
ActiveCN118142639Breduce concentrationImprove powder selection efficiencyGrain treatmentsRocker armRoller mill
The application discloses a vertical roller mill and a machine-made sand production system, and relates to grinding equipment technology. The roller mill comprises a grinding part, wherein a grinding disc and a grinding roller constitute part of the grinding part. The roller mill comprises a pre-milling part and an adaptive material blocking adjusting part. The pre-milling part is composed of a feeding center shaft and milling units, and the feeding center shaft is located above the grinding disc. The N milling units are uniformly distributed around the feeding center shaft, and the pre-milling part of the milling units is in contact with the grinding end face of the grinding disc. The adaptive material blocking adjusting part comprises a rocker seal frame, a material blocking device and a linkage assembly. The rocker seal frame serves as a grinding roller support and is installed on the roller mill rack. The material blocking device comprises a fixed material blocking device and a sliding material blocking device combined with the fixed material blocking device through vertical movement, and the two devices jointly form a surrounding blocking structure. The linkage assembly connects the rocker seal frame and the sliding material blocking device, so that the rocker seal frame drives the sliding material blocking device to move upwards through the linkage assembly. Through the technical innovations, the performance of the vertical roller mill is comprehensively improved.
Owner:TIANJIN CEMENT IND DESIGN & RES INST CO LTD +1
High-stability ultra-precision grinding device for bearing outer ring channel
ActiveCN222570237UGuaranteed stabilityprecise positioningGrinding drivesGrinding machinesElectric machineryGrinding wheel
The utility model relates to a high-stability bearing outer ring channel ultra-precision grinding device which comprises a fixing table, a rotating table is rotationally arranged on the fixing table, a three-jaw chuck is fixedly arranged on the rotating table, a fixing frame is fixedly arranged above the fixing table, an electric telescopic rod is arranged in the fixing frame in a sliding mode, and the three-jaw chuck is fixedly arranged on the rotating table. A grinding motor is fixedly arranged at the bottom end of the electric telescopic rod, a grinding wheel is fixedly arranged on an output shaft of the grinding motor, a liquid storage box is fixedly arranged at the bottom of the fixed table, a liquid guide pump is fixedly arranged in the liquid storage box, and a liquid spraying head is fixedly arranged on one side of the bottom of the electric telescopic rod and connected with the liquid guide pump through a guide pipe. The bearing outer ring can be conveniently positioned and fixed in the rotating table, the stability of the bearing outer ring in the grinding chamber is guaranteed, then the grinding wheel is moved into the bearing to grind the bearing outer ring channel, meanwhile, water can be sprayed to the grinding position of the bearing inner channel, the grinding wheel and the bearing are prevented from being damaged by high temperature, and the practicability is improved.
Owner:JIANGXI NEWLAND BEARING CO LTD