35results about How to "Grinding effect" patented technology

The invention discloses a system suitable for metal powder melting material increasing manufacturing. The system is formed by compositing of a fiber laser galvanometer scanning mechanism and a high-speed grinding head. The fiber laser galvanometer scanning mechanism is provided with an XY workbench. The high-speed grinding head is arranged on a Y axis of the XY workbench through a Y axial sliding block. After multiple layers are manufactured on a workpiece, the high-speed grinding head slides along the Y axis of the XY workbench and carries out the feeding motion in the X axial direction at the same time, and high-speed grinding is carried out on the workpiece. The system suitable for the metal powder melting material increasing manufacturing has the advantages that after the high-speed grinding head is composited with the fiber laser galvanometer scanning mechanism, in the material increasing manufacturing process, scanning is carried out on a powder bed through the fiber laser galvanometer scanning mechanism, metal in a selected area is melted, a protrusion and a warpage in the partial workpiece can be removed by the high-speed grinding head, the upper surface of the workpiece can be maintained in smooth, the residual protruding peak on the surface of the workpiece and the plastic deformation degree can be effectively lowered, and the roughness on the surface of the workpiece is favorable to be lowered.

PCT No. PCT/AT98/00243 Sec. 371 Date Jun. 29, 1999 Sec. 102(e) Date Jun. 29, 1999 PCT Filed Oct. 14, 1998 PCT Pub. No. WO99/22031 PCT Pub. Date May 6, 1999In a process for granulating and comminuting molten material, the slag melt is acted upon by compressed water and discharged together with the vapour formed. The liquid slag is introduced into a granulation chamber in a free flowing jet while directing compressed water jets against the slag jet, whereupon the solidified and granulated slag is conducted through a pneumatic conveyor duct and a distributor along with the vapour formed. The partial streams leaving the distributor, via conically tapering nozzles are transferred into a grinding space exhibiting a lower pressure than the granulation space and from which the comminuted and solidified material is drawn off.

The invention provides a grinding device for food processing, and relates to the field of food processing. The grinding device comprises an arc-shaped grinding box for grinding Chinese prickly ash, a supporting ring for supporting the arc-shaped grinding box and a variable-cavity grinding mechanism for grinding the Chinese prickly ash in the arc-shaped grinding box, and the surface of the arc-shaped grinding box is fixedly connected with the supporting ring. According to the grinding device for food processing, a special structure capable of changing the grinding space is designed according to the problem that in the conventional grinding process of Chinese prickly ash, powder is easily adsorbed on the grinding device to occupy the grinding space, and a thermal expansion structure is adopted to control mixing and falling of the powder at the grinding structure in real time so that the problems that fine Chinese prickly ash powder is difficult to separate in the grinding process by a conventional grinding device, the fine and smooth Chinese prickly ash powder is easy to adhere to the grinding device to influence the grinding effect, a lot of grinding space is occupied, and the food processing efficiency is influenced to a certain extent are effectively solved.

The invention belongs to the technical field of grinding machinery and discloses a grinding machine capable of crushing medicinal materials in advance, comprising a grinding chamber, a grinding chamber, a support leg, a storage bin, a feeding hopper, a grinding motor, a grinding shaft, a grinding motor, a grinding wheel, and a feeding Cover, first vibrating screen and governor, one side of the crushing chamber is fixed with a crushing motor, one end of the crushing motor is provided with a crushing shaft, and the crushing shaft axially runs through the crushing chamber, and the lower side of the crushing chamber is set There is a grinding chamber, and support legs are fixed on both sides of the grinding chamber, a grinding motor is fixed on one side of the grinding chamber, a grinding shaft is fixed on one side of the grinding motor, and several grinding wheels are arranged on the grinding shaft , the lower side of the grinding chamber is provided with a storage bin. The invention fully pulverizes and grinds the Chinese herbal medicine through the pulverizing chamber and the grinding chamber, while improving the working efficiency, the quality of the Chinese herbal medicine powder is guaranteed, and the invention has a simple structure, small volume, and is convenient for transportation and installation.

The invention provides a multifunctional biological substance separating device, and belongs to the technical field of biology. The multifunctional biological substance separating device comprises a shell, a main shaft pushing rod, a return device, a magnetic sleeve connecting ring and an electric device, wherein the main shaft pushing rod penetrates through the shell; two ends of the main shaft pushing rod both stretch out of the shell; one end of the main shaft pushing rod is provided with a magnetic post; the magnetic sleeve connecting ring is arranged on the main shaft pushing rod in a sleeving way; one end, which is positioned outside the shell, of the magnetic sleeve connecting ring is provided with a magnetic sleeve; the return device is arranged in the shell and is used for enabling the main shaft pushing rod to move towards the direction which is far away from the magnetic sleeve; the electric device is connected with the magnetic sleeve connecting ring and is used for enabling the magnetic sleeve connecting ring (comprising the magnetic sleeve arranged thereon) to do rotary motion. The multifunctional biological substance separating device provided by the invention is particularly suitable for being applied to a process of extracting a nucleic acid through a paramagnetic particle method, has the effect of enabling a magnetic bead to be quickly separated from a system (mostly a lysis solution or an eluent) therein the magnetic bead exists and is compact in structure and convenient in operation.

The invention relates to an electronic ceramic production system. According to the electronic ceramic production system, electronic ceramic processing is achieved by combining multiple devices, the whole system is reasonable in processing, firstly, the raw material preparation device is used for preparing high-quality ceramic slurry, then the high-quality ceramic slurry is put into the forming device for automatic forming, a green body is put into the drying device for drying after forming, the green body is preliminarily dried, in order to prevented cracks from being generated in the sintering process, the green body is placed in the sintering device after drying, by designing a feeding and taking structure of the sintering device, a user cannot be scalded in the using process, ceramic production is completed after sintering is completed, surface treatment of a ceramic product is carried out in the next step, the grinding device adopted for surface treatment is good in grinding effect, and meanwhile, dust generated in the grinding process is collected, so that dust pollution in a processing workshop is avoided; and electronic ceramics produced by using the whole system are high inquality, the whole system is used in the workshop, so that cleanliness of the workshop is guaranteed, and the safety production effect is improved.

The invention provides a beans crushing and collecting device, which comprises a substrate, a connecting rod and a mounting rod. The lower end of the connecting rod is fixedly connected with the substrate, and the connecting rod is positioned on the substrate and parallel to the substrate. A pneumatic cylinder comprises a cylinder body and a piston rod. The cylinder body is fixedly installed on the upper surface of the substrate. A support plate is connected to the cylinder body through the piston rod, and the support plate is parallel to the substrate. A motor comprises a motor body and a rotating shaft. A grinding disc comprises an upper disc-shaped grinding disc and a lower disc-shaped grinding disc. The upper surface of the lower grinding disc is provided with a planar spiral groove. The upper grinding disc and the lower grinding disc are coaxially arranged. The center of the upper grinding disc is provided with a through hole. A hopper comprises a hopper body and a hopper mouth. The hopper body is connected to the hopper mouth through a through hole. The lateral side of the hopper mouth is connected to the connecting rod through the mounting rod. The device also comprises a chute, one end of which is fixedly installed at the lateral side of the lower grinding disc at a discharge opening. A storage tank is arranged below the other end of the chute. Vertical height of one end of the chute is greater than vertical height of the other end of the chute. By integrating grinding and collection, the device of the invention has high grinding efficiency.

The invention discloses a preparation device for a graphene-doped hydrogen storage material; the structure of the device comprises a controller, a heat dissipation groove, fixed foot margins, a material holding table, a preparation port, a preparation tank, a control main engine, and a doping tank. Graphene raw materials in the doping tank uniformly pass through a material scraping groove when entering; the material scraping groove and a discharge ring are fixedly arranged; the raw materials are guided to an area in which the discharge ring and a grinding embedded ring are matched for pulverization treatment through poking blocks when a grinding mechanism rotates, and then enter a dispersion component for dispersed blanking; the decrease of hydrogen permeability caused by stacked blanking can be avoided; a gas compression mechanism can generate gas to pneumatically control the dispersion component under the driving of a built-in drive shaft; the clogging of the graphene raw materials is avoided; high-precision pulverization can be performed on flake graphite after the whole use; the raw materials are effectively prevented from agglomerating in the blanking process; a state of powdery falling is formed; the permeability of hydrogen doping is greatly improved; the hydrogen storage effect is higher.

The invention discloses a device for extracting and grinding wormwood. The device comprises a shell; a discharging port is formed on a middle position on the bottom of the shell; a feeding port is formed on the top of the shell; a first rotating shaft is arranged in the feeding port; multiple sets of smashing blades are arranged on the two sides of the first rotating shaft; a driven wheel is arranged on the bottom of the first rotating shaft; a driving wheel is arranged on one side of the driven wheel; the driving wheel is connected with the driven wheel through a belt; a second rotating shaftis penetrated through the middle of the driving wheel; the top of the second rotating shaft is penetrated through the shell and is connected with a first driving motor on one side of the top of the shell; a first filter screen is arranged on the inner top of the shell. The device disclosed by the invention has the beneficial effects of reasonable design, simple structure and convenience in use. Compared with the traditional extracting device, the device disclosed by the invention has the advantages that the sufficient grinding property is effectively promoted, so that the purifying rate can be effectively increased and the use ratio can be effectively increased.

The invention relates to a Portland cement preparation method. A ball mill is used, the ball mill comprises a bottom plate, a mounting plate, a grinding device and a wall scraping device. The specific method for preparing Portland cement through the ball mill comprises the following steps of raw material preparation, clinker calcination, clinker cooling, cement forming, inspection and packaging. The grinding device comprises a driving motor, a barrel, a lining plate, a feeding pipe, a feeding opening, a discharging opening, a material containing frame, a bin partition plate and a steel ball, and the wall scraping device comprises a supporting rod, a lifting barrel, a connecting rod, a scraping head, a fixing rod and an auxiliary mechanism. When raw materials are ground into powder through the grinding device, the powder attached to the inner wall of the barrel is scraped off in time through the wall scraping device, waste is prevented, meanwhile, the situation that the grinding effect of steel balls is reduced under the influence of the buffering effect of the powder is avoided, and in addition, the wall scraping device can also clean a scraping head regularly, the wall scraping effect is prevented from being influenced by excessive powder adhered to the scraping head.

The invention relates to the technical field of gear grinding machines, in particular to an airplane transmission gear grinding device which comprises a grinding head lathe and a workpiece lathe, wherein a shaking table is mounted on the grinding head lathe and connected to a grinding head base, a grinding head is mounted on the grinding head base, and a drive mechanism for driving the grinding head and the shaking table to work is mounted on the grinding head lathe; the drive mechanism comprises a first drive assembly and a second drive assembly, the first drive assembly being used for driving the grinding head to rotate, the second drive assembly being used for driving the grinding head to move; the driving mechanism further comprises a third drive assembly for driving the shaking tableto rotate; and a workpiece base and a fourth drive assembly are arranged on the workpiece lathe, the four drive assembly being used for driving the workpiece to rotate. the grinding head grinds the tooth surface of the airplane transmission gear under the action of the drive mechanism and the cooperation of the fourth drive assembly, so that the effect of conveniently grinding a special workpiecewith a shaft part is achieved.

The invention discloses a multistage screening device for particulate matters. The multistage screening device for particulate matters comprises a shell and a first drum, wherein supporting racks arearranged on two sides of the shell, and a top plate is arranged on the supporting racks; a first driver is mounted in the middle above the top plate, and a first rotary shaft is connected below the first driver; first stirring rods are arranged on two sides below a second rotary shaft; a connecting ring is connected below a material receiving hopper; second through holes are formed around the sidesurface of a second drum; a fourth connecting rod is arranged in the connecting ring, and a third connecting rod is arrange in the middle of the fourth connecting rod; balls are uniformly arranged atthe upper and lower ends and the outer side of the edge of a rotary disc; and third through holes are formed around the inner side of the rotary disc. The multistage screening device for particulatematters can screen the particulate matters effectively, is convenient to extract particles of different diameters, and can be prevented from being stuck during screening.

The invention discloses a stepped composite reaming and rock waste removal tool which is a common tool in petroleum drilling and is particularly suitable for reaming and rock waste removal of a horizontal well and a large displacement well. When the horizontal well and the large displacement well are drilled, the situations that the rock waste of a horizontal section is difficult to remove and sometimes the driller encounters with a large section of gravel layer and an evaporite bed commonly exist, and the phenomena that the well wall is unstable and shrinks also exist. Therefore, the steppedcomposite reaming and rock waste removal tool is designed and mainly comprises a drill column body, a hydrophthalmia, a cone underreamer and a reamer underreamer, wherein the external diameter of thereamer underreamer is greater than that of the cone underreamer; the stepped composite reaming and rock waste removal tool is connected into a drill column through upper and lower threads and rotatesalong with rotation of the drill column, during the rotating process, the reaming cutter of the cone underreamer rotates to break rock, the hydrophthalmia at the lower part of the reaming cutter ejects high-pressure drilling fluid to flush the cutter; and when the cutter with a smaller diameter finishes reaming, the upper reamer underreamer with a larger diameter reams for a second time and trimsthe well wall to realize the purpose of removing the rock waste.

The invention discloses a flattening device for road pavement concrete. The flattening device comprises a flattening plate, a bottom plate, a baffle, a motor shell, a vibration pump, a handrail, a control panel, a transverse rod, a pedal, supporting rods, a base plate, a pushing tip, transmission rods and a rubber pad. The transmission rod is respectively arranged at two ends of the flattening plate; the bottom plate is supported on the transmission rods, the vibration pump mounted on bottom plate; the vibration pump is not in direct contact with the flattening plate, instead, vibration is transmitted to the flattening plate through the two transmission rods; therefore, the pressure of the flattening plate on the road surface is uniform when the concrete road surface is flattened, the flattening effect can be improved, two ends of the flattening plate can be prevented from tilting after being used for a long time to influence the flattening of concrete, the working efficiency is improved, and the supporting rods are arranged at two ends of the motor shell and can rotate to flatten a curve part through the supporting rods. The flattening device has the characteristics that the flattening effect is enhanced, and the curve road surface can be flattened conveniently.