33 results about "Conical teeth" patented technology

The invention discloses a straight tooth extrusion wheel for internal spline inverted conical teeth and a machining method for the internal spline inverted conical teeth, and belongs to the technical field of mechanical product machining. The method comprises the following steps: broaching a to-be-processed workpiece to form an internal spline straight tooth structure; the straight tooth structure of the internal spline is subjected to inverted conical tooth extrusion machining, and metal allowance generated by extrusion deformation synchronously flows to the tooth side area and the small-diameter area of the internal spline; a straight tooth extrusion tool matched with an inverted conical tooth extrusion tool is adopted, secondary extrusion machining is conducted on the straight tooth area of the internal spline, and metal allowance flowing to the tooth side area of the internal spline is completely transferred to the small-diameter area; and the small-diameter area of the internal spline is machined, a bulge structure formed by the transferred metal allowance is removed, and machining of the reverse taper teeth of the internal spline is completed. Secondary gear burnishing is used, the small-diameter allowance is removed through follow-up machining, and the problem that the machining cost of an original internal spline reverse taper gear is too high is solved.

The utility model provides a cable bridge capable of being adjusted in a lifting mode, and belongs to the technical field of cable equipment, the cable bridge comprises a bridge body, fixing rods are arranged at four corners of the outer side of the bridge body, a fixing plate is fixedly installed at the top ends of the four fixing rods, threaded rods are rotatably connected to the interiors of the four fixing rods, and the threaded rods are fixedly connected to the bridge body. The top ends of the four threaded rods penetrate through the inner top walls of the four fixing rods correspondingly and extend into the fixing plate to be fixedly connected with driven conical teeth, and the upper sides of the four driven conical teeth are connected with driving conical teeth in an engaged mode correspondingly. And rotating shafts are arranged between the two driving conical teeth on the left side and between the two driving conical teeth on the right side, the rotating shafts are fixedly connected with the driving conical teeth, and a transmission assembly is arranged between the two rotating shafts. The cable bridge solves the problems that a traditional cable bridge is fixed in height, complex in installation and poor in adaptability.

The utility model relates to the technical field of eyedrop production, and provides an eyedrop production stirring device which comprises a tank body, the discharging pipe is fixedly connected to the bottom end of the tank body; the output end of the servo motor penetrates through the fixing frame and is fixedly connected with a main conical tooth through a coupler. The lower conical tooth is rotationally connected to the bottom end of the top cover, and the bottom end of the lower conical tooth is fixedly connected with a stirring barrel penetrating through the top cover; the upper conical tooth is rotationally connected to the inner top wall of the fixing frame, and the bottom end of the upper conical tooth is fixedly connected with a stirring rod extending out of the stirring barrel; the stirring blades are arranged on the surfaces of the first fixed seat and the second fixed seat at equal angles; through the arrangement of upper conical teeth and lower conical teeth, the stirring rod and the stirring barrel can coaxially rotate forwards and backwards, then materials in the tank body can be stirred forwards and backwards, materials at the bottom end in the tank body can be stirred, the materials can be stirred and mixed uniformly in the opposite direction, and the stirring and mixing efficiency of the eyedrops is improved.

The utility model relates to engineering technical field, especially adjustable building template support frame, the utility model discloses bottom plate, bottom plate rotation is connected with two -way screw rod, two -way screw rod screw connection has the sliding holder, the fixed pillar is fixedly connected with the sliding holder, and the fixed column rotation is connected with the long strip board, and the long strip board rotation is connected with the connecting column, and the connecting column fixed connection has the connecting seat, in the utility model, through setting bottom plate, two -way screw rod, sliding holder, long strip board, connecting seat, U -shaped frame, adjusting seat, guide rod, first conical tooth, transmission shaft, second conical tooth and carousel etc. Structure can adjust the support height of support plate to be applicable to the building template of different height to improve applicability, and cooperate and set the bolt column, the limit ring, the spring, the handle column and the limit groove, can limit the rotation of two -way screw rod to improve the support stability of device.

The invention provides a sampling object storage device, and relates to the field of storage devices, the sampling object storage device comprises a main storage tank body, the upper part of the main storage tank body is rotatably provided with an upper cover body, the inner side of the main storage tank body is provided with a middle stirring blade, the inner side of the main storage tank body is provided with an inner anticorrosion release box, the main storage tank body is internally provided with a floating piece, and the lower part of the main storage tank body is fixedly provided with a drainage hard pipe; an upper water wheel is fixed to the outer side of the upper portion of the upper screw pipe, connecting tooth blocks are arranged in the middle of the upper screw pipe in an annular array mode, the lower portion of the upper screw pipe is rotationally connected with a lower connecting column, the lower connecting column is fixedly connected with the bottom of the main storage tank body, and middle connecting bevel teeth are rotationally arranged on the upper portion of the lower connecting column. Liquid in the middle of the main storage tank body is drained outwards by the hard flow pipe to extract a test sample, so that the sampling is more uniform, and the problem of inaccurate detection result deviation caused by non-uniform urine from the upper layer of the sample storage container is solved.

The utility model provides a material belt tin soldering connection jig which comprises a base and an upper cover which are detachably connected, a first material belt and a second material belt which are arranged in an overlapped mode are arranged between the base and the upper cover, and positioning holes are formed in the first material belt and the second material belt. The base and / or the upper cover are / is provided with a plurality of conical teeth corresponding to the positioning holes, the upper cover is provided with a hollow welding window, and at least part of the overlapped portion of the first material belt and the second material belt is arranged in the welding window. A welding rod penetrates through the welding window to weld the first material belt and the second material belt of the overlapping part, so that the first material belt and the second material belt are of an integrated structure, and the length of the material belts is increased; wherein the connecting jig can be matched with a winding machine for use, and is arranged at a material belt feeding end of the winding machine; the whole process is simple and easy to operate, the cost is low, and the production efficiency of the machine can be improved only through the tin soldering bar and the material strip tin soldering connection jig.

The utility model relates to the technical field of silk dewatering, in particular to a silk centrifugal dewatering device which comprises a barrel, the barrel comprises a base, an outer barrel is arranged on the surface of the base, an inner barrel is movably connected to the inner side of the outer barrel, and a drainage pipe is fixedly connected to the bottom end of the outer barrel. A dewatering mechanism is arranged at the bottom end of the base and comprises a fixing block. A first rotating rod drives a first conical tooth to rotate, so that a second conical tooth and a third conical tooth can respectively drive a second rotating rod and a third rotating rod to rotate under the action of the first conical tooth, and then an outer barrel and an inner barrel can rotate in opposite directions; therefore, the combination between water and silk fibers can be better destroyed, the stress uniformity of the silk in the dehydration process is guaranteed, the water in the silk can be thrown out more quickly and can be better discharged through the drainage pipe on the outer cylinder, and the dehydration effect and efficiency can be improved.

The utility model provides a foldable electric push rod, and relates to the technical field of electric push rods. A hinge connecting hole is formed in the right side of the base, a mounting seat is mounted on the hinge connecting hole through a pin shaft, a driving motor is mounted on the base through a bolt, and a shell is mounted on the base through a bolt; according to the utility model, by drawing the locking shaft, the conical tooth structure on the locking shaft is separated from the conical tooth hole, the extension rod is foldable, the hinge design of the extension rod and the push rod and the reasonable folding structure, the overall occupied space can be obviously reduced, and space resources can be effectively saved in the transportation process or the storage process; the transportation cost and the storage requirement are reduced; through the design of a sliding groove in the inner wall of the shell and a matching block at the lower end of the push rod fixing base, linear guidance of the push rod in the moving process is guaranteed, meanwhile, the lubricating ring is matched, friction resistance is further reduced, moving smoothness and efficiency are improved, part abrasion is reduced, and the service life is prolonged.

The utility model relates to the technical field of mold core machining, in particular to a fixing device for mold core machining, which comprises a workbench, a clamping device is arranged at the center end of the workbench, a placing device is arranged at the top of the workbench, and the clamping device comprises a motor, a screw rod, conical teeth, a threaded block, a clamping rod, a clamping cushion and a sliding rail. The motor is fixedly installed on the outer wall of the workbench, the lead screw is rotatably installed on the inner wall of the workbench, the conical teeth are fixedly installed on the outer wall of the center end of the lead screw, the threaded block is connected to the outer wall of the lead screw in a threaded mode, and the clamping rod is fixedly installed on the top of the threaded block. By means of synchronous clamping, it can be guaranteed that the annular mold core is evenly pressed and supported in the machining or operating process, the machining precision and stability are improved, and the deformation or damage risk caused by uneven stress is reduced.

The invention relates to the field of valves, in particular to a valve seat rotatable ball valve which comprises a valve body, rotating grooves are symmetrically formed in the valve body, the two rotating grooves are symmetrically located on the two sides of a valve ball, and a valve seat is arranged in each rotating groove; each valve seat comprises a body, a conical gear ring is fixedly connected to the end face, close to a port of the valve body, of each body, conical teeth are meshed with one side of each conical gear ring, a rotating shaft is fixedly connected to the upper end face of each conical tooth, and the rotating shafts upwards penetrate through the outside of the valve body and are fixedly connected with a second hand wheel. Compared with the prior art, rotation of the valve seat can be achieved through meshing of the conical teeth and the conical tooth ring, the structure is simple, execution can be stably conducted in the complex medium conveying environment, the ball valve does not need to be detached from a pipeline system, the ball valve does not need to be closed, and a second hand wheel does not need to be rotated in the re-operation mode, operation steps are simple, and operation efficiency is high. And moreover, the influence on medium conveying of the pipeline system can be reduced, and the pause time of equipment or devices connected with the pipeline system is shortened.

The utility model discloses an excavator antiskid track shoe, and the device includes: track shoe body, be equipped with grid groove on the track shoe body, all be equipped with conical tooth in the complete quadrilateral area surrounded by the grid groove, the track shoe body includes base layer and antiskid layer, the grid groove and conical tooth all place on the antiskid layer surface. The utility model has the advantages that: the grid groove set up on the antiskid layer surface of track shoe body and the conical tooth in the quadrilateral area surrounded by the grid groove greatly increase the contact area and friction force between track shoe and ground. In the complex terrain such as muddy, soft or ice and snow cover, the conical tooth can penetrate into the ground, and the grid groove can further hinder the relative sliding between the track shoe and the ground, effectively solve the problem that the existing track shoe is insufficient in antiskid performance and easy to slip in these harsh environments, thereby improve the stability and operation efficiency of the excavator walking, reduce the energy consumption increase caused by the slip.

The utility model relates to the field of construction grooving machines, and discloses a grooving machine for open nickel ore construction, which comprises a liquid storage box body, a cutting shell is fixedly mounted on the left side of the liquid storage box body, a cutting blade is arranged in the cutting shell, and two rectangular grooves are symmetrically formed in the inner side wall of the cutting shell. Rectangular plates are inserted into the two rectangular grooves correspondingly, a first bearing is fixedly installed on one side of each rectangular plate, a worker starts a motor, the motor runs to drive a second conical tooth to start to rotate, a first conical tooth is driven by the second conical tooth to synchronously rotate, and then a connecting shaft, a rotating shaft and a first cutting blade are driven to rotate together; therefore, the cutting blade can smoothly carry out cutting slotting operation on the ground, and then a worker starts the electric push to push the connecting support rod and the cutting blade to further descend, so that the slotting depth of nickel ore construction can be flexibly and accurately controlled to meet slotting depth standards of different construction stages and engineering requirements.

The invention relates to the field of petroleum and natural gas development, and discloses a micro coring PDC drill bit and a micro core multi-stage coring method.The micro coring PDC drill bit comprises a drill bit body and a coring drill bit body, the drill bit body is provided with a containing cavity and a plurality of stepped blades, and the stepped blades are used for cutting rocks and forming rock columns; the coring drill bit is connected to the drill bit body, a coring hole is formed in the middle of the coring drill bit, cutting teeth and conical teeth are arranged in the circumferential direction of the coring hole at intervals, the cutting teeth are used for cutting a rock column into a micro core column, and the conical teeth are used for cutting a pre-breaking mark on the upper portion of the micro core column; an impact flow channel and a return flow channel are further arranged in the drill bit body, an impact nozzle is installed in the impact flow channel, high-pressure drilling fluid is jetted at the impact nozzle by adjusting the pulse frequency of the ground pump so that the micro core column can be fractured, and the return flow channel is used for transporting the fractured micro core. Through multi-stage cutting of the stepped blades and the coring bit, a pre-breaking mark is formed, directional breaking is conducted in combination with the impact flow channel, and the structural integrity of the micro core is guaranteed.

The utility model discloses a baking raw material stirring uniform sterilization device which comprises a base, the upper surface of the base is fixedly connected with two L-shaped fixing columns, the opposite ends of the two L-shaped fixing columns are jointly and fixedly connected with a stirring tank, and the interior of the stirring tank is rotationally connected with a rotating rod; a rotating column is fixedly connected to the bottom of the rotating rod, and four turning plates are fixedly connected to the rotating column. By arranging the rotating column, the chain wheel, the second conical tooth, the chain, the shifting column, the sliding rod, the moving column, the moving plate, the rotating ring, the sliding column, the stirring plate and the like, the first conical tooth drives the rotating column to rotate through the second conical tooth, the rotating column drives the chain to rotate through the chain wheel, and the chain drives the moving column to move through the shifting column; the moving column drives the moving plate to move through the sliding rod, and the moving plate drives the sliding column to move through the rotating ring, so that the raw materials can be turned up and down while the sliding column drives the stirring plate to stir, and the stirring efficiency is improved.

The utility model relates to the technical field of enzyme production, in particular to an enzyme production device for soil remediation, which comprises a fermentation tank, a feed port is fixedly connected to the inner side of the fermentation tank, a discharge port is fixedly connected to the bottom end of the fermentation tank, and an air inlet pipe is fixedly connected to the surface of the fermentation tank. A second motor runs to drive a rotating rod to rotate, transmission of a second conical tooth and a reciprocating screw rod by a first conical tooth can be realized, and then a connecting block can drive a fixed frame to reciprocate in the vertical direction under the action of the reciprocating screw rod, so that a stirring shaft can rotate in the process of driving a stirring rod to rotate; the enzyme stirring device can vertically move along with the stirring rod, so that enzyme at different positions can be conveniently stirred through the stirring rod, the stirring range can be expanded, the mixing uniformity and the fermentation sufficiency of the enzyme can be conveniently promoted, the production quality of the enzyme can be better guaranteed, and the soil can be better repaired.

The embodiment of the present disclosure provides an acquisition method of a dental retainer, and relates to the technical field of retainer manufacturing, and comprises the following steps: generating a digital three-dimensional model of a patient's dental arch, and identifying individual characteristics such as maxillary or protruding teeth, presence of deciduous teeth or conical teeth, and occlusal contact points, and the edge height and / or occlusal area thickness of the retainer three-dimensional digital model can be correspondingly personalized adjusted, so as to be 3D printed to obtain a dental retainer. Since the whole process is digitalized, a plaster model is not needed, thereby eliminating the step of trimming and grinding. Since dust pollution is completely eliminated, the manufacturing time is shortened, and the breakage and rework caused by excessive cutting are avoided, and the retainer matched with different needs of patients can be manufactured more efficiently.

This utility model discloses a multi-layer stirred liquid fermenter, including a stirred tank and a stirring unit. The stirred tank has at least three fermentation chambers, each with a fixed sleeve. The stirring unit is located inside the stirred tank and has a vertically rotating shaft inside. Stirring blades (a) are arranged on the side of the rotating shaft. A rotating ring is nested outside the rotating shaft, and stirring blades (b) are arranged on the side of the rotating ring. A conical tooth (b) is vertically rotating inside the fixed sleeve. The conical tooth (b) meshes with the rotating shaft and the rotating ring. By incorporating the stirring unit, this utility model allows the rotating shaft to rotate via a motor, causing the conical tooth (b) to rotate. The conical tooth (b) then drives the rotating ring to rotate in the opposite direction, thereby creating a counter-stirring effect through the stirring blades (a and b), improving the mixing uniformity and reaction efficiency of the fermentation broth.

The utility model relates to the technical field of push rod structures of steel pushers, and discloses a novel push rod structure of a steel pusher, which comprises a push rod cylinder and a plug, the plug is in threaded connection with the push rod cylinder, a round hole is arranged outside the push rod cylinder, a heat dissipation mechanism is assembled inside the push rod cylinder and comprises a bent pipe, the left side of the bent pipe is communicated with a short pipe, and the short pipe is communicated with a push rod. The interior of the short pipe is connected with a rotating pipe through a bearing, the rotating pipe is sleeved with a first conical tooth, the bottom of the first conical tooth is in meshed connection with a second conical tooth, the bottom of the second conical tooth is connected with a motor, a bent groove is formed in the right side of the interior of the rotating pipe and communicates with the bent pipe, and an L-shaped groove is formed in the left side of the interior of the rotating pipe. According to the novel push rod structure of the steel pusher, the service life of the push rod of the steel pusher is greatly prolonged, meanwhile, the rotating pipe can be switched into the slotted pipe, then different flowing modes of cooling water are provided, and cooling of the push rod barrel in different modes is achieved.

The utility model discloses a water body conical tooth-shaped solid waste separation device which comprises a culture pond, a control valve, a sewage pump, a water tank, a solid waste separator, biochemical cotton, a framework, a sedimentation pond, a sewage pipe, a sewage pump water inlet pipe, a sewage pump water outlet pipe, a water return pipe, a blow-off pipe, a dredging pipe, a flushing device, a clean water pump, a clean water bin and a blow-off valve. The sewage pump is communicated with the culture pond through the sewage pipe, the left end of the control valve is communicated with the sewage pump, the right end of the control valve is communicated with the clear water bin, the sewage pump is communicated with the water tank, the water tank is arranged in an inner cavity of a conical tooth filter cartridge of the solid waste separator, and the flushing device is arranged over the conical filter cartridge. The inclined tooth structure of the conical tooth filter cartridge increases the inclination and the filtering area of the filter screen, so that the separation effect and the water permeability are better, the water consumption is low, the filtering efficiency is high, and the bearing performance is good; the anti-blocking performance of the water tank is better than that of the discharge pipe During cleaning, the control valve, the sewage pump, the water tank and related pipelines are correspondingly cleaned.

The invention relates to the technical field of server heat dissipation, and discloses a server heat dissipation fan mounting seat which comprises a cross rod, the cross rod is slidably connected to the middle of the bottom end of the inner side of a heat dissipation fan, a cross plate is rotatably connected to the bottom of the inner side of the heat dissipation fan, and spring telescopic plates are rotatably connected to the periphery of the interior of the cross plate. The outer side of the spring telescopic plate is rotationally connected with a hollow block, the hollow block is slidably connected with the cooling fan, the inner side of the hollow block is rotationally connected with a conical fluted disc, the inner side of the conical fluted disc is slidably connected with a conical tooth rod, and the top of the inner side of the hollow block is rotationally connected with a conical gear. By rotating a cross rod, a cross plate is linked with a spring telescopic plate, the telescopic plate pushes and adjusts the position of a hollow block, then the cross rod is inserted into a conical tooth ring to rotate, a conical tooth rod and a conical tooth disc are driven to rotate, a threaded column is fixedly connected with a cooling fan and a hollow base through threads, and cooling fans of different specifications are rapidly connected.

The utility model belongs to the technical field of bullet train seats, and particularly relates to a bullet train seat cup stand and a bullet train seat, the bullet train seat comprises a bullet train seat main body, the inner bottom of the bullet train seat main body is fixedly connected with two fixing supports, the two fixing supports are fixedly connected with a cup stand box together, the upper surface of the cup stand box is provided with two cup grooves, and the cup grooves are fixedly connected with the cup stand box. By arranging the servo motor, the rotating rod, the first conical tooth, the threaded rod, the second conical tooth, the movable plate, the supporting plate and the like, the servo motor drives the rotating rod to rotate, the rotating rod drives the first conical tooth to rotate, the first conical tooth is driven to rotate, the second conical tooth is driven to rotate, and the clamping connection grooves are formed in the clamping connection grooves. The first conical tooth drives the threaded rod to rotate through the second conical tooth, the threaded rod drives the movable plate to move, the movable plate drives the supporting plate to move downwards to the bottom through the damper, the water cup retracts into the cup groove, then the cup groove is covered with the cover plate, a passenger can conveniently place the arm, and the comfort degree is improved.

The invention relates to the technical field of boilers, and discloses a boiler furnace air outlet device which comprises a box body and an exhaust pipe, the exhaust pipe is arranged in an inner cavity of the box body, a driving mechanism is arranged at the upper end of the box body and comprises a transverse shaft, worms are connected to the two sides of the transverse shaft, worm wheels are connected to the exteriors of the worms in a meshed mode, and vertical shafts are connected to the bottoms of the worm wheels. The bottom of the vertical shaft is connected with a first conical tooth, the exterior of the first conical tooth is in meshed connection with a second conical tooth, the second conical tooth is arranged outside the exhaust pipe, and the exterior of the worm is connected with a motor; through the transmission structure, the rotating motion of the motor is converted into the rotation of the exhaust pipe step by step. According to the boiler furnace air outlet device, the rotating exhaust pipe and a static water source move relatively, the heat exchange efficiency is greatly improved, the water source outside the pipe can be in a flowing state, the local water temperature is prevented from being too high, the temperature increasing uniformity of the water source is improved, and the waste heat utilization value is fully played.

The utility model discloses an alignment device of a truss production line, which comprises an alignment table, the alignment table is rotatably connected with a rotating disc, the rotating disc is connected with a driving mechanism used for driving the rotating disc to rotate, the driving mechanism comprises a motor, a conical tooth II, a gear and a fluted disc, the motor is used for driving the conical tooth II and the gear to rotate synchronously, and the fluted disc is used for driving the gear to rotate synchronously. The gear is matched with the fluted disc, the fluted disc is connected to the bottom of the rotating disc, the motor is connected with a push-pull mechanism used for driving the motor to move, the alignment table is connected with a centering mechanism used for centering the truss, and the centering mechanism is matched with the second conical teeth. According to the truss centering device, the position of the truss placed at the top of the rotating disc can be adjusted, the end of the truss faces the output end of the alignment table, the two guide blocks can be synchronously driven to be close to or away from each other, the two push plates are synchronously close to or away from each other, the two push plates are pressed on the truss, centering treatment of the truss is achieved, and follow-up transferring and machining are facilitated.

The utility model discloses a water based dispersing agent reation kettle, it includes jar body, the outer surface fixedly connected with fixed base of jar body, the inner surface fixedly connected with fixed post of fixed base, the outer surface rotationally connected with turnover seat of fixed post, the outer surface fixedly connected with jar cover of turnover seat, the outer surface fixedly connected with connecting seat of jar cover, the outer surface fixedly connected with fixed block of jar body. Through set up motor, pivot, first conical tooth, second conical tooth and third conical tooth etc. structure, can drive the stirring subassembly of fixed sleeve shaft on connecting axle respectively and rotate in opposite direction, thereby make the material mixing of jar body inside more fully, promote the reaction effect, through set up fixed sleeve, mounting seat and rotating shaft, can make stirring blade when connecting axle and sleeve shaft rotate through centrifugal force and open, and automatically collapse when the equipment stops, thereby facilitate staff to clean the inside of jar body, improve practicality.

This utility model discloses a high-temperature resistant explosive welding block, relating to the field of explosive welding block technology. It includes an aluminum plate and a steel plate, with the aluminum plate on top of the steel plate. The aluminum plate and steel plate are explosively welded together. The lower surface of the aluminum plate has multiple conical teeth (first type), and the upper surface of the steel plate has multiple conical teeth (second type). Multiple sets of diamond-shaped heat dissipation channels are opened inside both the aluminum plate and the steel plate. Multiple sets of through holes are opened on the front and back of both the aluminum plate and the steel plate. An elastic base is provided at the bottom of the steel plate, with a limiting plate fixedly connected to one side wall. The elastic base has multiple buffer grooves. This high-temperature resistant explosive welding block, by setting multiple conical teeth (first type) on the lower surface of the aluminum plate and multiple conical teeth (second type) on the upper surface of the steel plate, staggered relative to each other, allows the aluminum plate and steel plate to interlock in a toothed manner during the high-temperature fusion of explosive welding, thus expanding the interface contact area.

The utility model belongs to the technical field of seed tanks, in particular to a seed tank for microbial fermentation, which comprises a base, the upper surface of the base is fixedly connected with two first fixing plates, opposite sides of the two first fixing plates are rotatably connected with rotating columns, opposite ends of the two rotating columns are jointly and fixedly connected with a fixing ring, and the fixing ring is fixedly connected with the base. According to the seed tank, a first belt wheel, a second belt wheel, a first belt and the like are arranged, a second conical tooth drives a rotating rod to rotate through a first conical tooth ring, the rotating rod drives the first belt wheel to rotate, and the first belt wheel drives the second belt wheel to rotate through the first belt; the second belt pulley drives the seed tank main body to rotate, and the seed tank main body can rotate while turning over, so that the leavening agent and the raw materials in the seed tank main body are continuously beaten on the stirring rod from multiple directions, the leavening agent and the solid particle raw materials are fully mixed, and the mixing effect is favorably improved.

The present invention relates to a tool structure of recycling mechanism, which includes a shaft part having two mounting shaft rods respectively located on two opposite ends thereof for assembly on a preset frame rack, and a wheel cutter part disposed on the shaft part and having a plurality of toothed cutters respectively formed in the shape of a trapezoidal tooth, a saw tooth, a blade or a conical tooth on the outer circumference of a rotating wheel. The tool structure can be used in a recycling mechanism to crush and destroy glass panels on the surfaces of the waste materials to be recycled.

The utility model discloses a centrifuge tube rack convenient for placing and taking centrifuge tubes, which comprises a bottom plate, a vertical seat arranged at the center of the top end of the bottom plate, a vertical shaft rotatably mounted at the top end of the vertical seat, a gear fixedly mounted on the outer wall of the vertical shaft, a turntable fixedly mounted at the top end of the vertical shaft, and a rack seat arranged at the top end of the turntable, a plurality of cylindrical frame bodies are arranged in the frame base, cylindrical catheter containing cavities are formed in the cylindrical frame bodies, jacking plates are movably arranged at the lower ends of the interiors of the cylindrical catheter containing cavities, micro motors are installed in the portions, on one sides of the cylindrical catheter containing cavities, of the cylindrical frame bodies, and one ends of the micro motors extend into the cylindrical catheter containing cavities and are provided with first conical teeth. A second conical tooth is rotationally mounted at the bottom of the cylindrical catheter accommodating cavity on one side of the first conical tooth, and a control panel is mounted at the top end of the bottom plate on one side of the vertical seat. According to the centrifugal tube shelf, the purpose of easily taking and placing the centrifugal tubes is achieved, the storage effect of the centrifugal tubes is guaranteed when the centrifugal tube shelf is used, and the convenience of the centrifugal tube shelf is improved when the centrifugal tube shelf is used.

The embodiment of the invention provides a method for acquiring a tooth retainer, which relates to the technical field of retainer manufacturing and comprises the following steps: generating a digital three-dimensional model of a tooth jaw of a patient, and identifying individual characteristics such as an upper jaw or tooth protrusion condition, a deciduous tooth or conical tooth existence condition and an occlusion contact point according to the digital three-dimensional model; and the edge height and / or the occlusal area thickness of the three-dimensional digital model of the retainer can be correspondingly and individually adjusted, so that 3D printing forming is facilitated, and the tooth retainer is obtained. Due to the fact that the whole process is digitized, a plaster model is not needed, the step of adjusting and grinding is omitted, dust pollution is thoroughly eliminated, the manufacturing time is shortened, breakage and reworking caused by excessive cutting are avoided, and the matched retainers can be manufactured with higher efficiency for patients with different requirements.

The utility model discloses a multi-tooth blanking structure for a household garbage pyrolysis / incinerator, the blanking structure is arranged at the top of the household garbage pyrolysis / incinerator, the blanking structure comprises a feed inlet, an upper stock bin and a lower stock bin which are sequentially arranged from top to bottom, and a multi-tooth blanking roller mechanism arranged in the lower stock bin; the multi-tooth discharging roller mechanism comprises a plurality of multi-tooth discharging rollers and a power piece, wherein the multi-tooth discharging rollers are arranged in the lower stock bin in a penetrating mode and arranged in parallel, the power piece drives the multi-tooth discharging rollers to rotate, and a plurality of conical teeth and cylindrical teeth are arranged on the discharging rollers. The multi-tooth discharging roller is reasonable in design, through the conical teeth and the cylindrical teeth, the material grabbing capacity of the multi-tooth discharging roller is guaranteed, it can be guaranteed that the multi-tooth discharging roller can be scraped by the teeth when rotating by a circle, and therefore garbage is prevented from erecting a shed on a shaft of the multi-tooth discharging roller, and the continuous discharging operation time is prolonged.