99results about How to "Large operating space" patented technology

The invention discloses a large-size multi-axis-linkage electrolytic machine tool which comprises a machine tool body, an electrolytic machining pulse power source, an electrolyte circulating and filtering system and an integrated control system. The integrated control system can realize integrated control on machine tool motion parameters, electrolyte parameters and pulse power source parameters; the electrolyte circulating and filtering system adopts parallelly-connected double loops to filter an electrolyte, so that the electrolyte input into a machining area is high in cleanliness, and the electrolyte circulating and filtering system has a function of automatically adjusting the electrolyte parameters ( temperature, concentration and pH value); the machine tool body comprises a bed body, a horizontal workbench, a turnplate, a spindle, a working box and a machine tool cover, and the machine tool can realize five-axis linkage; a numerical-control rotary table is arranged below the turnplate, a sliding device is arranged below the working box, and when a large-size workpiece and a cathode are mounted and adjusted, the working box can move to above the machine tool cover through the sliding device; a protecting device is arranged below the horizontal workbench and the turntable, so that the electrolyte can be effectively isolated from the numerical-control rotary table and a transmission mechanism.

The invention discloses a faucet installation structure and a faucet installation method. The faucet installation structure comprises a base for fixing a faucet on an installation face of the faucet and a clamping assembly for positioning the base on the faucet installation face, wherein the base is provided with an opening through which a water inlet pipe of the faucet passes and runs up and down; the clamping assembly comprises a connecting rod, an upper clamping part which is movably arranged on the connecting rod and an lower clamping part which can sequentially passes through the opening and an installation hole on the faucet installation face and enters into the lower side of the installation face; the lower clamping part is arranged on the connecting rod and is located below the upper clamping part; when the lower clamping part is placed on the lower side of the faucet installation face, the connecting rod is driven above the faucet installation face to move upward so as to clamp the lower clamping part, so that the lower clamping part leans against the lower side of the faucet installation face, and the upper clamping part positions the connecting rod and leans against the upper side of the base. The faucet installation structure disclosed by the invention fully realizes an operation mode of installation on the faucet installation face, and is big enough in installation space and good in visibility, so that the installation efficiency is greatly improved.

The invention discloses a forming process of a brick in a composite structure. The forming process includes the steps that a mold frame supporting plate is conveyed to first forming equipment by a first continuous conveying device, the mold frame supporting plate is pressed to be a mold frame on the first forming equipment, and after material distribution and pre-pressing, the mold frame is sent to a second material distribution machine and second forming equipment to complete second material distribution and pressing. According to the forming process, different brick courses are formed on the different forming equipment, and pollution between materials in different layers is thereby avoided.

The invention relates to the technical field of computer room devices and discloses a container data center and a container. The container data center comprises a plurality of containers which are spliced in parallel. Each container comprises a top plate, a bottom plate and two side plates which are fixedly connected between the top plate and the bottom plate. Each side plate is provided with a detachable movable panel. When the movable planes of the two side plates of the splicing portion between every two adjacent containers are detached, spaces of the two adjacent containers are spliced together. When the container data center is used for arranging of functional devices of the data center, the flexibility is greatly improved, and the operation difficulty of device arrangement and maintenance is greatly reduced.

The invention discloses a spraying production device for a single detergent piece. After the device is started, a detergent piece moving sliding block on the left side moves towards the left side of a conveying support to reach the position near a supporting plate, electromagnet clamping jaws are closed at the same time to clamp a detergent piece film to be sprayed, then the detergent piece moving sliding block moves to the position below a nozzle under the effect of a driving motor, and the nozzle conducts spraying on the detergent piece film, so that spraying of the whole detergent piece is achieved; and at the same time, the detergent piece moving sliding block on the right side moves towards the right side of the conveying support to take another detergent piece film, a nozzle rotating motor makes the nozzle to rotate to the position above the detergent piece film to continue to work after an operator confirms that the sprayed detergent piece film is taken out already, and all the steps are conducted repeatedly. By the adoption of the spraying production device, the problems that traditional detergent piece production equipment is low in efficiency, high in labor intensity and low in automation degree are solved, an automatic production line can be formed easily, and the spraying production device has the advantage of being easy to operate.

The invention belongs to the technical field of modern agricultural facilities, and in particular relates to an intelligent automatic agricultural machinery row following device which comprises a transverse beam (2), a camera mounting box (1), a row following mechanism (3), a machine hanging and connecting mechanism (4), a control box (5) and a control system, wherein the row following mechanism (3) comprises a stator (6) and an active cell (7); the stator (6) comprises an upper guide track (61), a middle guide track (62), a lower guide track (63), an end plate (64), a hydraulic cylinder mounting plate (65) and a baffle plate (66); the active cell (7) comprises a main plate (73), an upper plate (71), a middle plate (72) and a lower plate (74); an upper composite bearing is arranged on the upper end surface of the upper plate (71); a middle composite bearing is arranged on the front end surface of the middle plate (72); a lower composite bearing is arranged on the upper end surface of the lower plate (73); the upper composite bearing is arranged inside the guide track groove of the upper guide track (61); the middle composite bearing is arranged inside the guide track groove of the middle guide track (62); and the lower composite bearing is arranged inside the guide track groove of the lower guide track (63).

The invention provides a full-automatic upper surface glue spraying machine and a control strategy thereof and belongs to the technical field of shoes. The problem that the automatic installation and detachment of shoe trees cannot be achieved in the prior art is solved. The full-automatic upper surface glue spraying machine comprises a frame, an automatic glue spraying assembly, two shoe tree positioning toolings, a control unit, a shoe tree positioning tooling switching mechanism and an automatic glue spraying assembly driving mechanism, wherein the shoe tree positioning tooling switching mechanism and the automatic glue spraying assembly driving mechanism are electrically connected with the control unit. The full-automatic upper surface glue spraying machine is suitable for the manual installation and detachment of the shoe trees and suitable for the automatic installation and detachment of the shoe trees. According to the full-automatic upper surface glue spraying machine, the machining efficiency of the glue spraying on the shoe trees is significantly improved.

An inner-outer-layered ball-milling device with forced axial flow and up-down circulation includes a ball-milling cup in a composite multilayer barrel type. The ball-milling cup is connected to a swing arm. The swing arm is connected to a vertical column. The bottom of the vertical column is connected to a pedestal. An upper cross beam is connected to the upper part of the vertical column. An output shaft of a servo motor is connected to a stirring shaft of the ball-milling cup through a reducer. The pedestal, the vertical column and the upper cross beam are connected to each other to form a C-shaped device body of which three surfaces are opened. The ball-milling cup is in a three-layer barrel structure so that not only can a circumferential forced movement be formed between steel balls and micro particles, but also a circulating turning movement is formed due to the effect of the stirring shaft in the axial direction. The inner-outer-layered ball-milling device is greatly increased in ball-milling efficiency.

The invention discloses a fruit shelling device. The fruit shelling device comprises a machine frame and a cutter frame, wherein a connecting rod, a transmission gear case and an objective table are arranged on the machine frame; the connecting rod is used for connection with the cutter frame, the transmission gear case is used for driving the connecting rod to move up and down, and fruits are placed on the objective table; the transmission gear case is fixedly arranged on the machine frame; the cutter frame comprises a push rod and a cutter; the upper end of the push rod is fixedly connected with the connecting rod, and the lower end of the push rod is connected with the cutter; the cutter can be arranged at the lower end of the push rod in a sleeving and vertical sliding manner; a limiting plug pin is arranged between the cutter and the push rod; a chock block for limiting the cutter is also arranged on the push rod; the cutter comprises a cutter handle and a blade, wherein a vertical hole for allowing the limiting plug pin to slide up and down is formed in the cutter handle; the objective table is fixedly arranged on a base of the machine frame and under the cutter. The fruit shelling device disclosed by the invention has the characteristics of being simple in structure, low in manufacturing cost, small in occupied space, quick and convenient to operate, effortless, safe in use, and the like, and has a wide application prospect.

The invention discloses a planet gear driving type screening device. The planet gear driving type screening device is characterized in that the device comprises a pedestal, planet gear bases, a sieve plate, planet gear driving mechanisms, a sliding groove, a sliding bar and a driving disk; the pedestal is used for fixing a screening device body on the ground; the planet gear bases are arranged on the two sides of one end of the pedestal; the sieve plate is arranged above the screening device body and used for screening materials; each planet gear driving mechanism is arranged on one side of the corresponding planet gear base and used for driving the sieve plate to move; the sliding groove is located in the other end of the sieve plate and used for allowing a finger pin of the sliding bar to slide therein; the sliding bar is connected with the sliding groove through one section of the finger pin and can slide in the sliding groove through the finger pin, and the sliding groove is formed in the other end of the sliding bar; the sliding bar is hinged to the center of the circle of the driving disk, and the finger pin arranged on the driving disk slides in the sliding groove of the sliding bar, so that the sliding bar is driven to rotate around the center of the circle of the driving disk. The screening device is simple and compact in structure, large in operation space, flexible in sieve plate motion, and capable of improving work quality and efficiency.

The present invention discloses an installation structure of an installation frame in a computer case, the installation structure is convenient for installing and maintaining a main computer unit, and comprises a framework and the installation frame, wherein the framework is composed of a front support and a back support and a left support and a right support, the installation frame is arranged with the front support together. The left support and the right support are arranged with a pair of supporting boards which are cooperated mutually, the installation frame is of the detachable structure, the end faces at the two sides of the installation frame are arranged with a pair of guide pins and positioning pins which are cooperated mutually. Each supporting board is arranged with a guide groove and a positioning groove, wherein the guide groove shaping with the herringbone is matched with the guide pin, the positioning groove presenting the L shape is matched with the positioning pin. The left and the right supports are arranged respectively a guide port which is communicated with the guide groove and the positioning groove. The guide pin and the positioning pin are arranged movably in the guide groove and the positioning groove. The installation structure makes the installation frame detachable and reversible, thereby being greatly convenient for the installation and maintenance of the main computer unit.

The invention provides a bogie comprising a frame. The frame comprises two parallelly-arranged side beams, end beams perpendicularly connected between the two side beams and crossbeams arranged between the two side beams. Small longitudinal beams composed by splicing a plurality of plates are arranged between the crossbeams; the interior of each small longitudinal beam is of a hollow structure, and one ends of the small longitudinal beams extend to the outer sides of the crossbeams. According to the small longitudinal beams of the hollow structures, the weight of the bogie is reduced while the overall structural strength of the bogie is guaranteed, and rainwater and the like are also prevented from invading inner cavities of the small longitudinal beams to corrode internal structures; one ends of the small longitudinal beams extend to the outer sides of the crossbeams, on the one hand, the stiffness and strength of a main structure of the frame can be improved, and the welding contact area of the small longitudinal beams with the crossbeams is increased; and on the other hand, the situation that the ends, extending out of the crossbeams, of the small longitudinal beams are connected to other parts such as a gear box hanger and a motor hanger is facilitated, in this way, the structures of the other parts are simplified, the operation space of part mounting is enlarged, and mounting is convenient. On this basis, the invention further provides a railway train.

The invention discloses a robot flexible grinding system with an automatic tool switching function. The system comprises an industrial robot used for grabbing different tools or cutter handles to flexibly grind workpieces according to a set machining path, a quick change mechanism being mounted at the tail end of an arm of the industrial robot; a tool and cutter handle store used for containing a plurality of tools and cutter handles so that the industrial robot can grab the tools and the cutter handles according to machining requirements; and a material track provided with a position changing machine, the position changing machine being used for fixedly installing a workpiece and entering a machining area along the material track. The system has a large operation space, the robot can automatically grab different tools or cutter handles according to needs to conduct milling, grinding, polishing and other machining on workpieces, the system can adapt to the machining conditions of multiple varieties and multiple procedures, wide machining flexibility is achieved, and the system universality is high.

The invention discloses an improved structure of a transferring belt conveyer, comprising a fixed rack, a conveyer belt and a roller, wherein the rack is provided with a flexible end to replace the original swinging receiving roller mechanism so as to effectively avoid the defect that the material can not be sent away because of falling into a gap between the swinging receiving rollers; and meanwhile, the design construction is more compact, has larger operation space and reduces the floor area while keeping the whole occupation space constant.

The invention discloses a travelling frame, a travelling device and engineering machinery. The travelling frame is detachably provided with a cylinder base. A side plate of the travelling frame is provided with a fixed connecting hole used for fitting the cylinder base. The cylinder base is fitted outside the side plate of the travelling frame. Therefore, the cylinder base is disposed outside the travelling frame and is convenient to demount, the cylinder base and a cylinder are also convenient to change, external space can be fully utilized, and widening travel of the engineering machinery is enlarged.

The invention mainly discloses a connecting joint of an upright column and a crossbeam of a curtain wall. The connecting joint comprises an upright column, a crossbeam, toothed bolt pins, a straight tooth cylindrical gear and a sleeve core. The sleeve core is arranged in the crossbeam; bolt pin holes for mounting the toothed bolt pins and a gear hole for mounting the straight tooth cylindrical gear, which are perpendicular to each other, are formed in the sleeve core; the bolt pin holes are communicated with the gear hole at junctions; the toothed bolt pins and the straight tooth cylindrical gear are arranged in respective holes and are meshed with each other; and the straight tooth cylindrical gear is rotated to drive the toothed bolt pins to penetrate into upright column connecting holes to form connection. By the connecting joint, the original operation in a crossbeam open cavity is changed into operation capable of being performed outside the crossbeam, so that the operation is convenient, the anti-bending strength and the torsional strength of the crossbeam are fully used, and the mounting mode is flexible and convenient.

The invention discloses a power distribution cabinet convenient to overhaul, and relates to the technical field of power distribution cabinets. The power distribution cabinet a base, a framework arranged on the base, a cabinet door arranged on the framework, a cover body arranged on the framework in a sliding manner, and a driving device arranged on the base and used for controlling the cover bodyto move, the framework comprises four stand columns perpendicularly connected to the base and a plurality of transverse rods connected between the stand columns. The lower portion of the cover body and the side, close to the cabinet door, of the cover body are both in an open state, and the cover body covers the outer sides of the four stand columns. Sliding ways are formed in the outer side surfaces of the stand columns in the vertical direction, rolling wheels corresponding to the sliding ways are arranged on the inner wall of the cover body in a rotating mode, and the rolling wheels are arranged in the sliding ways in a sliding mode. The power distribution cabinet has the effects of being convenient to overhaul and high in safety.

The invention provides a virtual assembly method based on augmented reality and mobile interaction. This method uses Leap Motion to obtain the hand gesture data, and projects it into the virtual environment to interact with the virtual model. IKF and IPF are used to estimate the position and direction of the hand. The position of human body is located by the joint data of human body acquired by Kinect, and the virtual 3D assembly robot and the model of assembly parts are projected in front of human body by AR technology. Magnetic force feedback uses the electromagnetic force to make the operator feel the interaction force between the parts in the assembly process. The present invention utilizes AR technology to allow an operator to view a part without dead angle of 360 degrees, The immersion feeling in the virtual assembly process is improved, and the electromagnetic force feedback makes the operator feel the interaction between the parts more clearly, so that the fitness between the parts can be known, the situation of the real assembly is closer, and the operation is more natural and convenient.

The invention provides a solar radio interference filtering method, a readable storage medium and electronic equipment. The method comprises the following steps: collecting intensity data in a set time period before and after a solar burst event, and screening out frequency channels where eligible radio signals are located according to radio flux value data of all frequency channels at a certain moment in a non-burst time period; preprocessing the acquired eligible radio station signal data, and establishing a data set; establishing a recurrent neural network, training the recurrent neural network by using the preprocessed radio station signal data, and predicting the signal value of a radio station in a solar burst area by using the trained recurrent neural network; and according to the linear additive property of the signal, subtracting the predicted radio station value from the original radio flux value of the burst area at the corresponding moment to obtain a value of a clean puresolar burst event. Radio station interference signals can be predicted more accurately, and more solar burst information can be reserved. The final solar burst observation effect of the method is obviously superior to that of a common image filtering method.

The invention discloses an assembly type easily maintained integrated ceiling which comprises a middle plate and side plates. A sliding pillar is vertically connected to the upper surface of the middle plate. The sliding pillar is connected with a lifting pillar above the sliding pillar in a sliding manner. Ejecting rods are fixedly connected to the sliding pillar, and the ejecting rods are obliquely arranged towards the position above the middle plate. The inclination directions of the ejecting rods face the outer side direction of the middle plate. The ends, opposite to the ends fixedly connected with the sliding pillar, of the ejecting rods are connected with pull rods in a sliding manner. One ends of the pull rods are rotationally connected with the lifting pillar, and the other ends of the pull rods are perpendicularly connected with fixing rods. One ends of the fixing rods are connected with the pull rods, and the other ends of the fixing rods are perpendicularly connected with the side plates. The assembly type easily maintained integrated ceiling is convenient to install and easy to maintain, in addition, the overall structure is produced in a modular manner by a factory, and the overall quality of the integrated ceiling after installation can be ensured.

The invention provides a slitting device for slitting a wide coiling material into a plurality of strip materials. The slitting device comprises an unwinding part, a traction part, a slitting part and a winding roller which are sequentially arranged along the conveying direction of the strip materials, wherein the slitting part comprises a slitting cutter group and a cutter roller, and a plurality of annular cutter grooves are arranged on the cutter roller. When the slitting device runs, the slitting cutter group is inserted into the annular cutter grooves and moves along the cutter grooves, and the cutter roller is in tight contact with the winding roller so that the strip materials are conveyed from the cutter roller to the winding roller. On the other hand, the invention provides a slitting method for slitting the wide coiling material into a plurality of strip materials. According to the slitting device provided by the invention, only one winding roller is needed, the structure is simple, and the operation space of the winding roller is large; a winding core is sleeved on the winding roller, the positioning, connection and unwinding operation is time-saving and labor-saving, and the slitting efficiency is greatly improved; the slitting device does not move when a narrow coil material with a thickness of less than 10cm is wound, so that the difficulty that the narrow coil material collapses is thoroughly solved; the end face of the slit coil material is neat; and each coil material does not need to be controlled by separate tension, the winding roller is simple and reliable in design, and the cost is low.

The invention relates to a spinning device for melt-spun spandex. The device comprises a screw extruder, a cross-linking reaction system, a metering pump system, a spinning box, spandex spinning components, lateral blowing systems, a channel, an oil applying system and a spandex winding head, wherein the spandex spinning components are arranged into two rows in a stagger mode in the spinning box and located under a meting pump, and the air outlet sides of every two adjacent lateral blowing systems are arranged in opposite directions. The invention further relates to a spinning method for melt-spun spandex. According to the spinning device and method for melt-spun spandex, on the premise that total output is unchanged, equipment cost and energy consumption are reduced, and component replacement is facilitated.

The invention relates to a sweeper cab and a sweeper. The sweeper cab comprises two side frames, two front beams, two rear beams, an outer roof, top beams and an interior roof, wherein the two side frames are connected through the two front beams and the two rear beams and jointly form a main frame body of the sweeper cab; the top beams are located above the main frame body, are mounted between the two side frames and comprise arch structures which are partially or wholly higher than the upper edges of the side frames; the interior roof is tightly attached to the lower edges of the top beams; the outer roof covers above the top beams and is mounted on the side frames. Through arrangement of the top beams with the arch structures, the arch structures are partially or wholly higher than the upper edges of the side frames, then the top beams are tightly attached to the inner surface of the outer roof, the interior roof is tightly attached to the lower edges of the top beams, so that internal space of the cab can be heightened in the premise that the overall height of the cab is not increased, a driver can have larger operation space, and human-machine operation experience is improved.

The invention discloses a connecting rod drive type punching mechanism. The connecting rod drive type punching mechanism comprises a main plate, a punching needle, a crank, a slide rod, an ejector rod, a pull rod and a drive device. The main plate is provided with a drive end and a punching end. The punching needle is arranged at the punching end through a slide block in a vertical sliding manner. One end of the crank is hinged to the drive end. One end of the slide rod is hinged to the slide block. One end of the ejector rod is hinged to the upper portion of the slide rod. One end of the pull rod is hinged to the other end of the crank. The other end of the slide rod, the other end of the ejector rod and the other end of the pull rod are hinged to the same point. The drive device is connected with the crank so as to drive the crank to rotate. When the crank rotates upwards by a half circle, the crank drives the pull rod to drive the slide rod to move upwards through the same hinge point. When the crank rotates downwards by a half circle, the crank drives the pull rod to drive the slide rod to move downwards through the same hinge point. The connecting rod drive type punching mechanism can overcome the defect that an existing punching machine is low in punching efficiency.

The invention relates to a multi-dimensional expansion robot, and belongs to an industrial robot. According to the technical scheme, the multi-dimensional expansion robot comprises a circular track, acircular driving device, a linear extending mechanism, a linear moving mechanism and a tail end executing mechanism; the circular track is provided with a hoisting mounting frame, the hoisting mounting frame is fixed to at least three positions of the circular track, and the hoisting mounting frame is fixed above a plant or a suspended mounting fixing position; and a walking mechanism and a geardriving mechanism are arranged between the circular driving device and the circular track, the walking mechanism circularly walks and moves along the track surface on the circular track, and the geardriving mechanism drives the circular driving device to rotate around the center of the circular track on the circular track. The robot is installed above the plant or the top of other hoisting supports, and the problems of arm expansion limitation and high basic space occupation rate of grabbing robots, assembling and producing robots and material carrying robots are solved.

The invention discloses a peeler, which comprises a frame, a refrigerating compressor set, a low-temperature drum connected with the refrigerating compressor set, a peeling mechanism connected with the frame, a scraping shovel connected with the frame, and a fillet pressing comb soft claw connected with the frame, wherein the low-temperature drum is connected with the frame through a low-temperature drum bracket; the frame is connected with feeding and discharge transmission mechanisms; the feeding and discharge transmission mechanisms and the low-temperature drum are driven by an electric speed reduction mechanism respectively; a safety cover is arranged above the low-temperature drum; and the safety cover is correspondingly connected with guide rods on the frame through a plurality of guide blocks respectively. The peeler has the main advantages that: the safety cover is convenient and quick to move away, and the operating space for replacing and adjusting a peeling knife is commodious.

The invention discloses a lightning protection box which is convenient for installation and maintenance, which comprises a bottom plate, the bottom plate is rectangular, and vertical plates are arranged on four sides of the bottom plate, which are respectively a first vertical plate, a second vertical plate, a third vertical plate and The fourth vertical plate, the four vertical plates are connected end to end in turn to form a box with the bottom plate, a small cylinder is arranged in the center of the bottom plate, and an installation module is connected to the piston rod of the cylinder, the installation module is rectangular, and the length of the installation module is smaller than the length of the bottom plate , the width of the installation module is smaller than the width of the bottom plate; one side of the first vertical plate is connected to a cover plate through a hinge, and the fourth vertical plate is provided with an outlet groove. The design of the present invention is reasonable and suitable for popularization and use.

The invention relates to a double-sided screen multi-task execution method, a mobile terminal and a computer readable storage medium, and the double-sided screen multi-task execution method is appliedto a double-sided screen terminal and comprises the following steps: receiving a double-sided screen multi-task trigger instruction; Determining a first display screen which detects the double-sidedscreen multi-task trigger instruction according to the double-sided screen multi-task trigger instruction; Sending at least one piece of application data displayed by the first display screen to a second display screen; And controlling the second display screen to display an application picture corresponding to the at least one piece of application data. The method is large in operation space, high in practicability, short in switching time and high in use efficiency.

The invention discloses a four-point leveling hydraulic scissor elevating railway line maintenance platform. The maintenance platform comprises a leveling base, wherein the leveling base is provided with an oil cylinder trunnion support base connected with leveling oil cylinders; the leveling oil cylinders are respectively connected with two telescopic support leg groups which are symmetrical to each other; the two sides of the two leveling bases are connected together by scissor mechanisms fixed on the two telescopic support legs; and the top ends of the scissor mechanisms are connected with a traveling platform. According to the four-point leveling hydraulic scissor elevating railway line maintenance platform, two sections of telescopic support legs cooperatively move to enlarge the working range and also increase the operation space; by leveling the whole equipment by the four leveling oil cylinders which are centrally and symmetrically arranged, the equipment can preferably adapt to practical working conditions of railway heavy load and height difference of rails; the leveling oil cylinders cooperate with the oil cylinder trunnion support base, so that the leveling equipment is simple in structure, needs a small space and can save the space.

The invention relates to the technical field of spinning, in particular to a wetting device for compact spinning yarns. The wetting device comprises a water storage tank, a wetting cover, a connectingpipe, a water pump, a water conveying pipe, a water distribution pipe, a branch pipe, an atomizing nozzle, a strip-shaped opening and a mist blocking assembly; a circuit of the water pump is closed,the water pump works to convey water in the water storage tank into the water distribution pipe through the connecting pipe and the water conveying pipe, the water in the water distribution pipe formsmist through the atomizing nozzle on the branch pipe and is sprayed into the wetting cover, and therefore yarns passing through the wetting cover are humidified; and when the yarns are inserted, theyarns penetrate through the mist blocking assembly, the mist blocking assembly is installed in the strip-shaped opening, under blocking of the mist blocking assembly, atomized water mist in the wetting cover is prevented from drifting into a working environment, and water resources are saved.