180results about How to "Realize automatic rotation" patented technology

The invention discloses a laser 3D printing device with multiple inkjet heads. The laser 3D printing device with multiple inkjet heads includes a laser generator, a laser inkjet head, a mechanical arm and a working table, wherein the laser inkjet head includes a laser head and a power inkjet head assembly, the power inkjet head assembly comprises a connecting base, a rotating disc and at least two power inkjet heads, the rotating disc is sleeved outside the periphery of the connecting base, the connecting base is provided with a laser through hole which is coaxially communicated with a laser jet hole of the laser head, the at least two power inkjet heads are detachably arranged on the rotating disc and are distributed relative to the periphery of the rotating center of the rotating disc, any power inkjet head is coaxially communicated with the laser jet hole when rotating to a working station, and a fixing unit is arranged between the rotating plate and the connecting base. The laser inkjet head of the laser 3D printing device with the multiple inkjet heads is provided with a plurality of powder inkjet heads and the plurality of powder inkjet heads can be used alternately so that the laser 3D printing device can use a plurality of metal powers to print under the condition that the laser inkjet head is not changed, and the laser 3D printing device meets the 3D printing requirements of FGM (Functionary Gradient Materials) metal pieces.

The invention provides a stepping all-directional valve cleaner comprising a conveying mechanism, a cleaning device, a rinsing device, a blow-drying deice and a drying device. The conveying mechanism is used for moving a workpiece. The cleaning device is used for removing impurities on the surface of the workpiece; the rinsing device is used for removing oil stain on the surface of the workpiece; the blow-drying device is used for removing water on the surface of the rinsed workpiece; the drying device is used for removing the water on the surface of the workpiece. The cleaning device, the rinsing device, the blow-drying device and the drying device are disposed in order; both the cleaning device and the rinsing device comprise spraying units. According to the stepping all-directional valve cleaner, the conveying mechanism conveys the workpiece to pass the cleaning device, the rinsing device, the blow-drying device and the drying device in order; when passing the cleaning device and the rising device, the spraying units above clean and rinse the workpiece; during cleaning and rinsing, the conveying mechanism allows the workpiece to be driven to rotate by a rotating gear, cleaning and rinsing effect of the workpiece is guaranteed, and all-directional thorough cleaning of the workpiece is achieved.

The invention discloses an intelligent solar automatic tracking device which comprises a solar cell panel, a sunlight tracker, a pitching device, a rotating device, a storage battery and a controller. The sunlight tracker comprises a photoresistor box and four photoresistors, the middle of the photoresistor box is provided with a circular light-transmitting hole, and the four photoresistors are mounted along the circumferential direction of the photoresistor box at an interval of 90 degrees. A photosensitive diode is arranged in each of the four corners of the solar cell panel. The pitching device drives the solar cell panel to do pitching movement. The rotating device drives the solar cell panel to rotate. The controller is connected with the solar cell panel, the sunlight tracker, the pitching device, the rotating device, the storage battery and the photosensitive diodes. The output end of the storage battery is connected with the pitching device and the rotating device, and the input end of the storage battery is connected with the controller. The intelligent solar automatic tracking device of the invention can automatically track sunlight, automatically stops tracking when light is not strong enough for generating power, and has a high degree of intelligence.

The invention discloses a bulb tube movement control unit used in a digital radiology photography system, comprising a bulb tube holding hoop, a bulb tube bracket and a horizontal rotating shaft which is arranged on the bulb tube bracket. The bulb tube holding hoop is fixedly connected with the horizontal rotating shaft; the bulb tube movement control unit also comprises a motor arranged on the bulb tube bracket; the motor is connected with the horizontal rotating shaft through an actuating mechanism; the motor drives the horizontal rotating shaft to rotate, thereby driving a bulb tube to rotate. The bulb tube movement control unit used in the digital radiology photography system drives a screw bevel gear mechanism through the motor arranged on the bulb tube bracket, realizes the automatic rotation of the bulb tube around the horizontal rotating shaft, and realizes the automatic tracking of the bulb tube rotating position through an encoder arranged on the bulb tube bracket; the relative position between a DR detector and the bulb tube does not need to be adjusted manually; therefore, the movement noise is eliminated, and the work intensity of doctors is reduced.

The invention provides an intelligent cleaning system for garbage floating on the water surface. The system comprises: a ship body; a garbage recognition assembly which comprises a detection module, the detection module comprises a binocular camera, an area array laser radar and an image processing unit, wherein the binocular camera is used for acquiring a color image and a depth image of a water surface, the area array laser radar is used for acquiring a radar image of the water surface, and the image processing unit is used for acquiring the position of garbage according to the color image, the depth image and the radar image; a salvage assembly; and a ship body control system which is used for controlling the ship body to move and further used for controlling the garbage recognition assembly and the salvage assembly to cooperate, and therefore water surface garbage salvage is achieved. The invention further provides a control method of the intelligent cleaning system for the garbage floating on the water surface. According to the intelligent cleaning system for the water surface floating garbage, the position and the type of the water surface floating garbage can be accurately recognized, accurate fishing is achieved, and the fishing efficiency is improved.

The invention discloses a reciprocating type polishing device for stainless steel pipe machining. The device comprises a base, a first supporting plate and a second supporting plate are vertically arranged at the upper end of the base, a supporting rotating mechanism is arranged on the side wall of the end, close to the second supporting plate, of the first supporting plate, the end, close to thefirst supporting plate, of the second supporting plate is fixedly connected with a limiting mechanism, a to-be-machined workpiece is arranged between the first supporting plate and the second supporting plate, the supporting rotating mechanism and the limiting mechanism extend into the to-be-machined workpiece and abut against the inner side wall of the to-be-machined workpiece, a machining mechanism abutting against the side wall of the workpiece to be machined is arranged at the upper end of the base, and the supporting rotating mechanism comprises a motor fixed to the side wall of the firstsupporting plate. According to the device, the structural design is reasonable, the to-be-machined workpiece can be fully limited and abutted against, and the to-be-machined workpiece can be rotated,so that the automatic polishing work is achieved, and meanwhile, the machining efficiency can be improved, and the consumption of human resources can be reduced.

The invention relates to a coupler and buffer device and a coupler height adjusting and limiting device. The coupler height adjusting and limiting device comprises a base, an elastic bearing, stop blocks, a limiting device, limiting bolts, supports and height adjusting bolts. When the head of a car coupler of the coupler and buffer device is replaced or a transition car coupler is additionally installed, although the weight of the car coupler changes obviously, the height of the coupler and buffer device is kept unchanged as the elastic bearing is limited and pre-pressure acts, the phenomenon that the weight of the coupler and buffer device is reduced and consequently a buffer system floats or bounces up suddenly is avoided, the phenomenon that the car coupler is pressed down and droops is not likely to occur, and therefore accidental injury caused in the process of detaching or replacing the car coupler is avoided; after lateral force on the buffer system is removed, the buffer system and a centering support assembly can rotate automatically around a coupler yoke key under the acting force of disc springs through a rotation structure of the coupler and buffer device, and therefore the automatic centering function of the coupler and buffer device is achieved.

The invention discloses a multi-functional annular longitudinal seam welding machine tool. The multi-functional annular longitudinal seam welding machine tool comprises a machine tool body, an overturning mechanism, a headstock chuck, a tailstock chuck and a welding component. The machine tool body is a horizontally installed cuboid frame structure. The overturning mechanism is installed at one end of the machine tool body. The tailstock chuck is installed at the other end of the machine tool body, and can be moved to be close to or away from the headstock chuck along a length direction of themachine tool body. The overturning mechanism is in transmission connection with the headstock chuck, and can drive the headstock chuck to be upwards and downwards overturned. While the headstock chuck can be downwards overturned to be opposite to the tailstock chuck, a tank can be clamped between the headstock chuck and the tailstock chuck. The welding component is used for welding and processingthe tank clamped between the headstock chuck and the tailstock chuck. The multi-functional annular longitudinal seam welding machine tool is capable of improving a utilization ratio of space.

The invention discloses a rotatable robot display table. The rotatable robot display table comprises a base and a motor. A stretchable column is installed on the base, a supporting disc is fixed at the top on the stretchable column, a rotating table is arranged on the supporting disc and is in a circle-table shape, a decoration lamp is installed in the middle of the side face of the rotating table, the rotating table is wound around by the decoration lamp, a robot-foot fixing device is arranged in the middle of the surface on the rotating table, robot fixing frames are arranged at the portion, at the edge of the rotating table, on the two sides of the robot-foot fixing device, rotating wheels are arranged at the bottoms of the lower ends of the robot fixing frames, the middles of the rotating wheels penetrate through fixing frame fixing shafts, the robot fixing frames can rotate, and fixing through holes are formed in robot fixing frame bodies. According to the rotatable robot display table, as novel structures and novel functions are increased, the novel rotatable robot display table can rotate and is stable and easy to move.

The invention discloses a cleaning device for aquatic products. The device comprises a cleaning cylinder and a roller; the roller is arranged in the cleaning cylinder in a rotational connection mode; water holes are uniformly arranged on the roller; a hollow circular seat is fixed at the bottom of the cleaning cylinder; the roller is rotatably connected to the circular seat; the bottom of the roller communicates with the circular seat; the circular seat communicates with an air inlet pipe; one side of the cleaning cylinder is equipped with an axial flow-equalizing pipe; in the cleaning cylinder, a negative pressure cover is arranged on the opposite site of the axial flow-equalizing pipe; a negative pressure wheel is arranged in the negative pressure cover in a rotational connection mode; and the negative pressure cover communicates with a water tank. Compared with the prior art, the scheme arranges the roller and the axial flow-equalizing pipe to realize a uniform flushing effect, and arranges the air inlet pipe and the roller to improve a cleaning effect and cleaning quality. In a cleaning process for the aquatic products, the air inlet pipe can continuously inflate cleaning water with air, and meanwhile, the aquatic products keep turning so as to raise a survival rate of the aquatic products.

The invention belongs to the technical field of engines and relates to a measuring instrument for guide pipe hole coaxiality / valve seat ring roundness of a valve seat of a cylinder cover of an engine. The measuring instrument comprises a valve seat shell. A spindle is rotatably arranged in a shaft hole of the valve seat shell. The front end of the spindle extends out of the valve seat shell to be fixedly connected with a fixing sleeve along the diameter of the spindle. A connecting copper sleeve is arranged in an inner chamber of the fixing sleeve and connected with a swing ring. A probe is connected with the swing ring. Two fixing points and an elastic point are formed on the same section of the rod-shaped structure of the probe. The middle of the probe is provided with a guide pipe air nozzle. The front end of a probe base is provided with a valve seat air nozzle. By the use of the measuring instrument, the valve seat automatically rotates and calculates while measuring the guide pipe hole coaxiality and the valve seat roundness. Compared with the three-coordinate measuring method and mechanical measuring method, the measuring instrument is more quick and accurate.

The invention discloses a turnover working table which comprises a base support, a rotating support and supporting shafts. The rotating support is in shaft connection with the base support. One end of each supporting shaft is connected with the center of the rotating support through a cardan joint. The other end of each supporting shaft is connected to the center of the bottom side of the base support through a cardan joint. A product placement working table is arranged in the middle of the rotating support. A plurality of grooves are formed in the product placement working table. A rotating device is arranged in each groove. Each supporting shaft comprises a sliding shaft and an air cylinder, wherein the sliding shaft moves along the inner wall of the air cylinder. Each rotating device comprises a bottom rotating wheel and upper rotating wheels. Compared with the prior art, the turnover working table has the advantages that the upper rotating wheels and the bottom rotating wheels are driven to rotate according to friction force of a product pushed into the working table, the product can be automatically turned over, the turnover working table is convenient to use and practical, and resources are saved.

The invention discloses a keel welding production line and a welding rotating device thereof. The welding rotating device comprises a base, and a rotating table rotationally connected with the base through a rotating shaft; the rotating table is provided with a first welding spot set and a second welding spot set; the lower end surface of the base is slidingly connected with a line body of the production line through a slide block; and the rotating shaft is arranged in the vertical direction, the top end thereof is fixedly connected with the rotating table, and the outer peripheral direction thereof is rotationally connected with the base through a bearing. The welding rotating device further comprises a power element; and the rotating table rotates by 180 degrees in the horizontal plane around the rotating shaft under the effect of the power element. The welding rotating device can realize automatic rotation of the rotating table, so that the production efficiency is improved, the production takt is guaranteed, and the labor intensity of workers is reduced.

The present invention discloses a reciprocating polishing apparatus for stainless steel pipe processing, comprising a U-shaped frame. A movable plate abutting against and slidably connected to the topin the U-shaped frame is provided in the U-shaped frame; a hydraulic cylinder is fixedly connected between the movable plate and the U-shaped frame; thread rods are rotatably connected between the surface, opposite to the hydraulic cylinder, of the movable plate and the U-shaped frame; limiting mechanisms are mounted on the two thread rods; the two thread rods penetrate through the U-shaped frameand the movable plate, respectively, and are rotatably connected to the same; one thread rod is fixedly connected with a first bevel gear; a bracket is mounted on one side of the U-shaped frame; anda gear is rotatably connected to the bracket. The present invention is reasonable in structure, not only can remove dust generated by polishing, but also can collect the dust to provide excellent working environment to workers, also can implement automatic rotation of steel pipe to implement comprehensive polishing of the steel pipes, is higher in practicability, needs no manual operation, and achieves high safety.

The invention relates to a rapid video linkage realization method of a power substation based on a design drawing. The method specifically comprises the following steps: S1) designing a substation drawing according to equipment information in a substation site; S2) carrying out drawing processing: carrying out equipment marking and equipment name association, camera position and height marking and camera pan and tilt initial position setting in the drawing; and S3) carrying out automatic equipment searching and positioning and camera automatic searching and positioning, and realizing rapid automatic linkage when the camera automatically rotates to the specified equipment position. The method can provide an effective monitoring means for a power video system for automatic monitoring of power production and operation, thereby greatly reducing a lot of configuration and operation workload needed when manually setting corresponding positions or manually adjusting monitoring angles, improving work efficiency of operation monitoring of power equipment, and providing a convenient and fast monitoring means for the safety and reliability of operation of a power grid.

The invention discloses a processing device and method for wood processing. A workbench used for fixing timbers is arranged on a machine base. A vertical movable base is arranged on the machine base. A processing tank body is movably arranged on the vertical movable base and vertically moves up and down along the vertical movable base. The processing device is provided with a rotary motor, automatic rotation of a tenon driving module and a sawblade driving module, the effect that the sawblade processing modes are changed according to different processing paths is achieved, in combination of switching of a tenon tool and a mortise tool, a horizontal movable base and a horizontal guide rail are arranged, and thus full-automatic processing operation can be achieved; bevel edges of mortises are subjected to cutting molding through sawblades, sawblade cutting is smooth, and burrs of cuts are few; and meanwhile, the left bevel edges of the mortises are cut through the first sawblade, the right bevel edges of the mortises are cut through the second sawblade, and the cutting direction consistency is better.

The invention relates to cutting equipment, in particular to bamboo chip fixed-length cutting equipment for wooden toy manufacturing. According to the bamboo chip fixed-length cutting equipment for wooden toy manufacturing, bamboo chips can be conveniently collected, the bamboo chips do not need to be manually fixed, and operation is easy. The bamboo chip fixed-length cutting equipment for woodentoy manufacturing comprises a bottom plate, a fixed seat, a carrying mechanism, a pressing mechanism and a cutting mechanism. Multiple supports are arranged on the bottom plate. The fixed seat is arranged among the supports. The carrying mechanism is rotationally arranged on the fixed seat. The pressing mechanism is arranged on the bottom plate. The cutting mechanism is arranged on the pressing mechanism. By starting an air cylinder, downward movement of a connecting rod is achieved, then under cooperation of the carrying mechanism, the pressing mechanism and the cutting mechanism, equal-distance cutting of the bamboo chips is achieved, a pressing plate can push the bamboo chips rightwards, and then the bamboo chips are placed in order.

The invention discloses a pot cover and a cooking appliance. The pot cover comprises upper cover body, a locking cover body, a motor and a transmission assembly. The locking cover body is rotatably mounted on the upper cover body and provided with cover teeth; the motor is mounted on the upper cover body and provided with a motor shaft; the transmission assembly is in transmission fit with the motor shaft and the locking cover body separately, wherein the transmission assembly is used for transmitting the rotational motion of the motor shaft to the locking cover body when the motor is poweredon and also used for cutting off the transmission connection with the motor shaft to transmit the rotational motion of the transmission assembly to the locking cover body when the motor is powered off, so that the locking cover body is rotated clockwise or counterclockwise. The pot cover can be opened and closed automatically and can also be easily opened and closed manually under the condition ofpower failure, so that the pot cover is convenient to use.

The invention relates to the field of mounting equipment for mobile communication equipment and provides a router mounting bracket for solving the problems that signals of a bidirectional antenna of arouter are transmitted forwards only and a user needs to frequently rotate the antenna when surfing the Internet at different positions. The router mounting bracket comprises a pedestal, a driving module, a sensing module, a storage module, a detection module, a processing module and a control module, wherein the pedestal is connected with a rotatable supporting seat; the driving module is used for driving the supporting seat to rotate; the sensing module is used for sending position sensation information when a user is in a sensing region; the storage module is used for storing the positionsensation information; the detection module is used for detecting a signal accessing to the router and sending a start signal after detecting that the signal accesses to the router; the processing module is used for processing the current position sensation information and the previous position sensation information stored in the storage module after receiving the start signal and generating angleinformation of the rotation required by the supporting seat; and the control module is used for controlling the driving module to rotate a corresponding angle according to the angle information.

The invention relates to a printing device, in particular to a meat can trademark printing device. According to the meat can trademark printing device provided by the invention, cans can be rotated and pressed, trademarks of the cans can be printed, and the cans can be automatically pushed out. The meat can trademark printing device comprises a base, first supports, an annular sliding rail, a servo motor, a second support, a lifting mechanism and a rotating mechanism, wherein the first supports are evenly arranged on the rear side of the top of the base; the annular sliding rail is connected between the tops of the first supports; the servo motor is arranged on the rear side of the top of the base; the second support is arranged on the side, close to the first supports, of the top of the base; the lifting mechanism is connected onto the second support; and the rotating mechanism is connected between the top of the annular sliding rail. Under the cooperation of the servo motor, a rotating mechanism, the lifting mechanism and a pushing mechanism, the effects of automatically rotating the cans, clamping the cans, carrying out trademark printing on the cans and automatically collectingthe cans subjected to trademark printing can be achieved through the meat can trademark printing device provided by the invention.

The invention relates to the technical field of LED lamp tube power-on detection, in particular to an LED lamp tube power-on detection device and method.The LED lamp tube power-on detection device comprises a detection frame and supporting legs used for supporting and fixing the detection frame, the detection frame comprises two guide rail frames distributed front and back, and the two ends of the two guide rail frames are connected and fixed through two connecting plates; a running track is arranged on the guide rail frame, a running detection mechanism is arranged in the running track, and an automatic feeding mechanism is arranged below the detection frame. According to the invention, the plurality of clamping electrifying units can be driven to move in the operation track through the transmission chain, so that electrifying detection can be carried out on a plurality of to-be-detected lamp tubes at the same time, the electrifying time of the lamp tubes can be ensured to be long enough, and a better detection effect is achieved; according to the automatic feeding and electrifying device for the lamp tube, the lamp tube to be detected can be automatically corrected, clamped and pushed into the detection frame, manual feeding and electrifying of the lamp tube are not needed, and the automatic feeding function and the automatic electrifying function of the lamp tube are achieved.

The invention relates to a cut-away device, in particular to a white asparagus tail cut-away device. The technical aim to be achieved is to provide a white asparagus tail cut-away device which is capable of automatically pressing white asparagus and cutting white asparagus and needs no manual synchronous operation of two hands. According to the technical scheme, the white asparagus tail cut-away device comprises a bottom plate and a lifting mechanism; first mounting plates are mounted on the left side and the right side of the bottom plate, and a fixed plate is arranged between the upper portions of the first mounting plates of the two sides; and the lifting mechanism is arranged on the first mounting plates of the two sides, a containing mechanism is mounted between the first mounting plates of the two sides and is connected with the lifting mechanism, and a cutting mechanism is arranged between the top of the fixed plate and the first mounting plates of the two sides. According to the white asparagus tail cut-away device, through the lifting mechanism, white asparagus can automatically move upwards, and tails of white asparagus can be cut conveniently; and through the containingmechanism, white asparagus can be automatically pressed, white asparagus does not need to be pressed manually, and manual operation is reduced.

The invention relates to the field of plate processing, in particular to an automatic production line and production process of a solid wood cabinet plate. The production line comprises a first sanding machine, a turnover mechanism, a second sanding machine, a first edge sealing machine, a second edge sealing machine, an edge changing mechanism, a third edge sealing machine, a fourth edge sealingmachine and a controller, wherein the first sanding machine, the turnover mechanism, the second sanding machine, the first edge sealing machine, the second edge sealing machine, the edge changing mechanism, the third edge sealing machine and the fourth edge sealing machine are sequentially arranged, and the controller is used for controlling the action of various electrical equipment in the production line; the turnover mechanism is used for driving the plate to turn over in the vertical direction and driving the plate in the direction close to the second sanding machine; and the edge changingmechanism is used for driving the plate to rotate in the horizontal direction and driving the plate in the direction close to the third edge sealing machine. The turnover mechanism drives the plate to rotate at an angle of 180 degrees in the vertical direction, so that automatic turnover of the plate is realized; and the edge changing mechanism drives the plate to rotate at an angle of 90 degreesin the horizontal direction, so that automatic rotation of the plate is realized, and manual intervention is not needed. The automatic production line and production process have the effects of beinghigh in automation degree of a production line, low in labor consumption, low in working labor intensity of workers and capable of saving cost.

The invention relates to a cutting device, in particular to a osmanthus jelly cutting device. The osmanthus jelly cutting device which the distance among cutters can be adjusted, the cutters can be fixed, the distance among the cutters can be consistent, and the cutters do not need to move is provided. The osmanthus jelly cutting device comprises a base, a sliding mechanism, a placing plate and acutting mechanism, wherein a sliding rail is arranged at the top of the base, the sliding mechanism is arranged at the top of the base, the placing plate is arranged on the sliding mechanism, and thecutting mechanism is arranged at the top of the base. By starting a servo motor, rotation of a flat belt is achieved, then through cooperation of the sliding mechanism and the cutting mechanism, whenthe sliding mechanism drives a osmanthus jelly to move left and right, the cutting mechanism rapidly cuts the osmanthus jelly, and then the cutting efficiency of people is improved.

The invention discloses a forklift device with a high degree of freedom. The forklift device with the high degree of freedom comprises a car body and a lifting mechanism for up-and-down loading and unloading cargoes, wherein a steering mechanism for supporting, moving and steering the car body is arranged on the lower part of the car body; a rotation frame mechanism is connected between the car body and the lifting mechanism and is fixedly connected with the lifting mechanism; the rotating frame mechanism is rotatably connected with the car body; the lifting mechanism rotates around the car body through the rotating frame mechanism; a groove matched with the car body is formed in the rotation frame mechanism; at least one roller is arranged on each of two opposite side surfaces of the groove; annular rail grooves are formed in the opposite upper and lower surfaces of the car body; the rollers can be rotatably arranged in the annular rail grooves; and the rotation frame mechanism rotates relative to the annular rail grooves through the rollers. Through the cooperation of the lifting mechanism, the steering mechanism and the rotation frame mechanism, the adjustment of a forklift in multiple degrees of freedom is realized, and the forklift is good in flexibility, high in obstacle avoidance capacity, and capable of meeting the requirement of a complicated carrying environment for modern logistics storage.

The present invention discloses a processing technology of aquatic products and needs to use a washing device of the aquatic products. The technology comprises the following steps: A, adding: the aquatic products are added into a rolling cylinder and washing water is added into a washing cylinder; B, centrifuging cleaning: the rolling cylinder rotates and a centrifugal effect of the rolling cylinder is used to conduct a rinsing of the aquatic products; C, rolling cleaning: air is ventilated into the rolling cylinder via an air inlet pipe, enables the washing water to produce rolling water flowers, and conducts a rinsing of the aquatic products; and D, even cleaning: a negative pressure wheel is rotated, an axial even flow pipe is combined, and the axial even flow pipe can fill axially evenly distributed flowing water into the rolling cylinder to conduct a rinsing of the aquatic products. Compared with the prior art, an arrangement of the rolling cylinder and axial even flow pipe in a scheme reaches an even rinsing effect. An arrangement of the air inlet pipe and rolling cylinder improves a washing effect and a washing quality. In a washing process, the air inlet pipe constantly fills air into the washing water. Besides, the aquatic products are kept rolling at the same time and a survival rate of the aquatic products is improved.

The invention relates to a tyre building machine which comprises an operating floor, a feed table and a drive control bin. A first feed roller and a second feed roller are arranged on the feed table;a sliding support frame and a multilayer pre-laminating device are arranged on the operating floor; a tyre building drum is arranged between the sliding support frame and the multilayer pre-laminatingdevice; a rotary shaft is arranged in the tyre building drum in a penetrating way; one end of the rotary shaft is connected with a support frame pivot hole on the sliding support frame in an embedding way; the other end of the rotary shaft is connected with a roller joining pipe arranged in the multilayer pre-laminating device in an embedding way; a pre-laminating motor is arranged in the drive control bin; a cylindrical through hole is formed in the roller joining pipe; a first bearing and a second bearing are arranged at two ends of the through hole; the first bearing enables a connector ofthe rotary shaft to be locked into the through hole; and the second bearing in the through hole enables a motor rotary shaft to be locked and pivotly connected into the roller joining pipe. The invention provides the tyre building machine capable of folding and pressing multiple layers of sheets into a tyre semi-finished product and capable of realizing convenient pre-laminating treatment on thetyre semi-finished product.

The invention belongs to the technical field of cleaning equipment, and particularly discloses laboratory cleaning equipment. The laboratory cleaning equipment comprises a workbench and a cleaning mechanism, wherein the cleaning mechanism comprises a water tank and a cleaning pipeline, the cleaning pipeline communicates with the water tank, a plurality of side holes are formed in the side wall ofthe cleaning pipeline, cleaning blocks are slidably sealed in the side holes, a plurality of bristles are arranged on the outer side walls of the cleaning blocks, water outlet holes are further formedin the cleaning blocks, and the water outlet holes communicate with the cleaning pipeline; the laboratory cleaning equipment further comprises a drying mechanism, wherein the drying mechanism comprises a hot gas box and a drying pipeline, the drying pipeline is vertically and slidably connected to the hot gas box, and a penetrating hole is formed in the lower part of the cleaning pipeline; and the drying pipeline extends into the penetrating hole and is sealed with the penetrating hole, a plurality of quick male connectors are arranged on the side wall of the drying pipeline in a communicating mode, the cleaning blocks are further provided with air outlet holes, and the air outlet holes are provided with quick female connectors matched with the quick male connectors. The laboratory cleaning equipment aims to solve the problem of low cleaning efficiency of experimental instruments such as beakers.

The invention discloses a feed crushing device. The feed crushing device comprises a rack, wherein a crushing conveying tube is arranged on the rack; a grinding hopper is fixedly arranged in a material receiving box; a grinding mechanism is rotatably connected into the grinding hopper; a plurality of filter holes are formed in the bottom wall of the grinding hopper; the top of the grinding hopperis communicated with a negative-pressure mechanism; the crushing conveying tube is rotatably connected with a first negative-pressure blade, a circular disc and a positive-pressure blade; crushing cutters are uniformly distributed in the peripheral direction of the circular disc; the negative-pressure mechanism comprises a negative-pressure tube; a second negative-pressure blade is rotatably connected into the negative-pressure tube; a filter screen covers the second negative-pressure blade; one side of the negative-pressure tube is communicated with a collecting tube; the negative-pressure tube is communicated with an air outlet tube; a plurality of branch tubes are communicated with the air outlet tube; ends, away from the air outlet tube, of the branch tubes are communicated with the grinding hopper; and the branch tubes are positioned on the bottom wall of the grinding hopper. Compared with the prior art, the feed crushing device can perform three-time crushing on feed, and improves preliminary crushing efficiency of feed; and an air aspirator pump does not need to arrange, and the second negative-pressure blade only needs to link by a rotary shaft, so that the cost of the whole device is reduced.