19848 results about "Circular disc" patented technology

A processing method of a workpiece with a circular disc shape includes sticking a tape to one surface of the workpiece and integrating the workpiece and a frame through the tape, holding the workpiece by a holding unit with the interposition of the tape, and irradiating the other surface of the workpiece located on the opposite side to the one surface with a pulsed laser beam having such a wavelength as to be absorbed by the workpiece from the side of the other surface. In irradiating the laser beam, the other surface is annularly irradiated with the laser beam in the state in which the orientation of the laser beam is adjusted in such a manner that the laser beam has an angle of incidence formed due to inclination with respect to a normal to the other surface of the workpiece by a predetermined angle.

An adjustable dumbbell, comprising a dumbbell assembly, a dumbbell seat and dumbbell pieces, the dumbbell assembly comprises a dumbbell bar and connecting discs, which are provided with a positioning groove and a connecting block slidingly connected in the positioning groove, and the connecting disc is provided with an elastic component; the dumbbell assembly comprises a handle grip and gear blocks, and the glove and the gear block are fixed circumferentially, and the gear block has an outwardly pushing part and an inwardly shrinking part in the circumferential direction; the dumbbell piece is provided with a connecting groove, when the connecting block abuts against the shrinking part, the connecting block is separated from the connecting groove; the connecting block abuts against the pushing part, the connecting block is snapped into the connecting groove; when the connecting block abuts against the shrinking part, the connecting block is separated from the connecting groove.

The invention relates to the field of shape correction welding, in particular to welding equipment of a reinforcement cage for bridge construction, which comprises a base and a welding manipulator, and further comprises a rotating mechanism, a positioning mechanism and a locking mechanism, and the rotating mechanism comprises an annular turntable, a driving wheel and a belt; the positioning mechanism comprises a disc frame, an elastic base plate and a center supporting disc, the center supporting disc is fixed to the center of the disc frame, the elastic base plate is fixed to the bottom of the containing groove through a spring, a sliding groove is formed in the center supporting disc, and an adjusting head is installed in the sliding groove; the locking mechanism comprises a locking disc, a plurality of arc-shaped grooves are formed in the locking disc, a push rod is fixed to the bottom of the adjusting head, and the end face of the locking disc can abut against the center supporting disc. The positions of the multiple steel bars on the steel reinforcement cage are adjusted through the positioning mechanism, the steel bars can be welded to form the steel reinforcement cages with different diameters, the positions of the steel bars are locked through the locking mechanism after the steel bars are positioned, and the steel reinforcement cages are prevented from deforming in the welding process.

The invention relates to the field of gear turning and boring, particularly discloses a gear turning and boring device with a high-precision positioning function, and solves the problems that when an existing small-diameter gear is subjected to turning and boring machining, the clamping and positioning precision is low, the universality is poor, and turning and boring machining on a large-diameter gear cannot be compatible. Comprising turning and boring equipment, a base, a support, a support, sliding frames, semicircular grooves, metal clamping pieces, a frame body, sliding rods, a top plate, a first driving assembly, a disc, clamping seats and a sliding plate, second rotating rods are rotationally connected between the sliding plate and the clamping seats, the sliding frames are further provided with second driving assemblies, and the second driving assemblies are used for driving the sliding frames on the two sides to get close to each other. Or the sliding plate is driven to slide towards the disc. The device can be universally used for clamping and machining a large-diameter gear or a small-diameter gear, and is stable in clamping and good in universality.

The invention relates to the technical field of chip processing, in particular to a chip multi-station welding self-adaptive clamping device which comprises a bearing frame, a support is arranged at the top of the bearing frame, a self-driven rotating disc is arranged in the support, a driving part of the self-driven rotating disc is arranged in the inner side of the support, and a gap is formed between the disc face of the self-driven rotating disc and the top face of the support. A plurality of positioning plates are symmetrically arranged on the top of the self-driven rotating disc in the circumferential direction, a plurality of clamping blocks are arranged on the tops of the positioning plates in a sliding and penetrating mode, and buffering parts are arranged in the clamping blocks. By means of single-shaft rotation driving of the self-driven rotary disc and threaded meshing transmission of the gradient disc, the spiral sleeve and the electric spiral rotary disc, synchronous control over clamping action of the clamping blocks and station switching of the rotary disc is achieved, an extra power source is not needed, the structure is remarkably simplified, and the multi-station welding efficiency is improved; the abutting rod spherical transition structure of the buffer part is designed to be matched with the rigidity of the second spring, the counter-acting force is automatically absorbed when the clamping block makes contact with the chip, and the clamping force is dynamically adjusted through the compression deformation quantity of the second spring to prevent the chip from being pressed and damaged.

A receptacle-supporting puck includes spring-biased fingers arranged about a vertical axis, each finger having a contact surface to contact a receptacle seated in the puck. A supporting disc of the puck includes a disc sidewall projecting from a base and defining a pocket for seating a receptacle, first cavities in the base extending toward the vertical axis, and a puck passageway extending through opposed portions of the disc sidewall transversely to and offset from the vertical axis. Each finger is rotatably coupled to the supporting disc at a corresponding first cavity. A synchronization disc is positioned in the pocket, and each of the fingers is coupled to the synchronization disc such that the contact surfaces of the fingers move synchronously toward and away from the vertical axis. A retaining ring couples the fingers, the supporting disc, and the synchronization disc together.

A drain stopper assembly that can be simply pushed into and pulled out of a drain pipe includes an open-close mechanism, a cap, a drain seal, and a means for engaging the open-close mechanism with the drain pipe and preferably also includes a strainer. The means includes a wheel-shaped disc that rests on crossbars in the drain pipe and has an annular seal about its perimeter; a ball-and-spring detent mechanism for attaching the drain stopper to crossbars; and a magnet attached to the open-close mechanism, preferably with a ferrous adapter for the drain pipe. The open-close mechanism is a push mechanism, a lift-and-lock mechanism or a lift-and-turn mechanism.

The invention discloses an improved efficient turbulent flow microbubble flotation device for feeding and discharging materials. Comprising an outer cylinder, an inner cylinder arranged in the outer cylinder, a stirring mechanism arranged in the outer cylinder, a feeding mechanism used for conveying raw materials into the inner cylinder, a concentrate tank located on the upper portion of the outer cylinder, a countercurrent mineralization mechanism arranged in the inner cylinder and a tailing separation mechanism connected to the bottom of the inner cylinder. Through cooperation of the sawtooth disc self-suction dispersion impeller and the false bottom structure, local area circulation can be formed, the elution effect on the surfaces of coarse particles can be enhanced, meanwhile, dispersion of heterogeneous fine silt is facilitated, and the purity of tailings is further ensured; according to the method, the flotation efficiency can be improved, and the energy consumption is greatly reduced; due to the design of the sawtooth disc self-suction dispersion impeller, gas is allowed to enter in a self-suction mode, and energy consumption of traditional air compression equipment is avoided. According to the sawtooth disc self-suction dispersion impeller, suction force brought by the vacuum effect generated by rotation of the impeller can be improved, and suction of more air is promoted.

The invention discloses corrugated pipe fatigue test equipment in a vacuum state, which comprises a machine body and a moving assembly arranged at the bottom of the machine body, and a hollow pull pipe is arranged on the machine body in a sliding manner. A to-be-tested corrugated pipe is fixed through a flange plate and covered with a transparent cover, a connecting rod and a threaded base are connected and fixed through a nut pipe sleeve, a lower disc and an upper disc are arranged on a guide rod, a fastening nut is rotated, the upper disc is pressed downwards, the upper disc transmits pressure to the lower disc through an elastic piece a, and the transparent cover is fixed; a closed space is formed inside the corrugated pipe, the vacuum pump vacuumizes the inside and the outside of the corrugated pipe through the connecting pipe c and the connecting pipe a, at the moment, the driving unit drives the cam, the corrugated pipe is repeatedly stretched and compressed under the action of the elastic piece b, the fatigue strength of the corrugated pipe is tested in a vacuum state, and the fatigue strength is measured according to the length of the corrugated pipe to be tested. The height of the driving unit is controlled through the electric control telescopic rod, it is guaranteed that the corrugated pipe has enough space for testing, and the applicability is good.

The utility model discloses a feeding device capable of feeding continuously, which belongs to the technical field of feeding and charging and comprises a feeding hopper, a feeding pipe is mounted on the lower surface of the feeding hopper in a penetrating manner, a plurality of mounting plates are welded on the outer surface of the feeding hopper, mounting bolts are mounted on the mounting plates in a threaded manner, a fixing plate is fixedly mounted on the surface of the feeding hopper, and the fixing plate is fixedly mounted on the lower surface of the feeding hopper. A motor is fixedly mounted on the side surface of the fixed plate; a motor is arranged to be matched with a cam and a disc for use, the disc is matched with a rotating roller and a sliding frame which are eccentrically arranged for use, a sliding rod drives a dredging block to move up and down for dredging, materials can be rapidly input into the injection molding machine through a feeding pipe, and a first sliding plate is driven to drive a blocking plate to move in cooperation with rotation of the cam; the front blocking plate and the rear blocking plate move in a staggered mode, alternate and continuous falling of materials is achieved, the discharging effect of the materials is effectively improved, and the phenomenon that when the materials are added from one direction at a time, accumulation and blocking are prone to occurring is avoided.

The invention relates to the technical field of turning equipment, in particular to an automobile motor shell turning device. Comprising a supporting table, a rotating mechanism and baffles. A guide rail is fixedly installed on one side above the supporting table, a sliding table is slidably installed above the guide rail, a fixing rod is fixedly installed at the center position above the sliding table, turning parts are movably installed on the two sides of the surface of the fixing rod, and the turning parts are slidably adjusted above the guide rail through the sliding table. The rotating mechanism comprises a rotating disc and a clamping assembly, the clamping assembly is fixedly installed on the periphery of the surface of the rotating disc, the clamping assembly comprises a clamping snap ring, and the clamping snap ring is telescopically adjusted on the periphery of the surface of the rotating disc; the baffle is fixedly installed at the intersection position of the turning piece and the surface of the clamping snap ring, and a collecting groove is formed below the baffle. And the rotating disc rotates along with the rotating disc, so that the automobile motor shells of different sizes are clamped and fixed, convenience and rapidness are achieved, and subsequent turning treatment on the automobile motor shells is facilitated.

A multi-surface spraying machine for furniture board surface treatment relates to the technical field of spraying equipment and comprises an integrated base, a spraying box body is fixedly connected to the integrated base, and a lifting material receiving assembly, a side surface spraying assembly, a rotating material moving assembly, a turnover surface changing assembly, a surface spraying assembly, a drying and curing assembly and a transferring and conveying assembly are arranged in the spraying box body; the lifting material receiving assembly comprises a steering disc, a supporting column barrel is fixedly connected to the steering disc, a positioning table is fixedly connected to the supporting column barrel, two L-shaped swing arms are arranged on the longitudinal outer wall of the same side of the positioning table in a swinging mode, and U-shaped swing arms are arranged on the transverse outer walls of the two sides of the positioning table in a swinging mode. A lifting telescopic cylinder is arranged in the supporting column barrel, and the upper portion of the lifting telescopic cylinder is fixedly connected with a material receiving supporting plate in a telescopic mode. The problems that in the surface spraying process of furniture boards in the prior art, labor dependence is low, the production efficiency is low, the spraying quality is unstable, material waste is serious, the equipment function is single, flexibility is insufficient, and the working procedure collaboration is poor are solved.

A receptacle delivery system for an instrument includes a carriage, a puck supported by the carriage, and a first shelf. The carriage is configured to move from a first location of the instrument to a second location of the instrument. The puck is configured to removably support a receptacle such that a longitudinal axis of the receptacle is substantially coincident with a vertical axis of the puck. The first shelf comprises (a) a base extending substantially transverse to the vertical axis of the puck and (b) a first opening defined by the base, and when the carriage is positioned at the second location, the longitudinal axis of a receptacle seated in the puck extends through the first opening.

The invention discloses a yarn strength tester, which belongs to the technical field of yarn testing, and comprises a movable seat and a control panel fixedly mounted on the front side of the movable seat and close to the right side, and a reciprocating screw rod, a vertical plate, a servo motor, a threaded sleeve A, a square rod, an n-shaped plate, a hydraulic cylinder A, a disc, a square block, a yarn roller and a square groove are matched with one another, so that the yarn strength is tested. The yarn roller can be driven to move back and forth while paying off, so that friction of yarns on the yarn roller during discharging is reduced, torsion stress of the yarns during paying off is reduced, subsequent yarn testing is prevented from being affected, and production efficiency is improved. In addition, through mutual cooperation of a carding frame, a U-shaped plate, a flexible rod, a movable gear, a transmission gear, a rack plate A, a movable plate, a rotary disc, a swing rod, a movable rod, a driven bevel gear and a driving bevel gear, yarn can be deflected and carded back and forth during unwinding and discharging, and twisting force of the yarn is reduced.

The invention provides gear box full-automatic multi-station assembling equipment, and relates to the technical field of gear box assembling, the gear box full-automatic multi-station assembling equipment comprises a workbench, and the workbench is provided with a first disc cutting mechanism and a second disc cutting mechanism; a bearing pedestal feeding mechanism, a main shaft direction selecting mechanism, a roller feeding mechanism, a pin roller and steel ball feeding mechanism, a pin roller and steel ball detecting mechanism, an inner gear feeding mechanism, a first transmission fluted disc feeding mechanism, a first oil injection mechanism, a transmission gear feeding mechanism and a gear detecting mechanism are sequentially arranged on the periphery of the first disc dividing mechanism. The first disc cutting mechanism, the second disc cutting mechanism and a plurality of mechanisms around the first disc cutting mechanism and the second disc cutting mechanism are arranged on the workbench, all working procedures needed for gearbox assembly are highly integrated, continuous automatic operation of a series of working procedures from part feeding to assembly and detection is achieved, the assembly time is effectively shortened, the assembly efficiency is improved, and the production cost is reduced. Labor input is reduced, labor cost is reduced, and the quality of final products is effectively improved.

The utility model discloses a novel double-row adjustable independent profiling ditching monomer, belongs to agricultural machinery, mainly relates to a seed ditching operation assembly on a seeding machine, and aims to solve the problems that two rows of existing seed openers are mechanically connected together, so that the land leveling effect is good, and the adverse situation that one row is deep and one line is arranged when ridge operation is carried out or a slope is not aligned with a ridge is caused. In the other way, two sets of single-row assemblies are arranged together to form a so-called double-row structure, so that the manufacturing cost is greatly increased, and in the other way, a double-row furrow opener is easy to block when the furrow opener raises a lot of sundries. All the defects of the machine type can be overcome; according to the basic design of the double-row furrow opener, the double-row furrow opener is divided into two independent furrow openers, the problem that one row is deep and the other row is shallow can be solved in a floating mode, the problem that blockage is prone to occurring is solved through the design that the two furrow opening discs are arranged in tandem, the problem that cost is high is solved by combining two single bodies into one single body, and the double-row furrow opener is mainly used for improving the seeding quality and further increasing the grain yield.

The invention discloses a laser cutting device for kitchenware production, and relates to the technical field of kitchenware production, the laser cutting device comprises a fixed frame, a supporting frame is fixedly mounted at the bottom of the fixed frame, a plurality of placing frames are fixedly mounted on the inner side of the fixed frame, the laser cutting device further comprises a movable frame and a laser cutting device, the movable frame is arranged above the fixed frame, and a movable seat is arranged above the interior of the movable frame; a U-shaped frame is fixedly installed at the bottom of the movable seat, an electric push rod is fixedly installed in the U-shaped frame, meanwhile, a disc is fixedly installed at the movable end of the electric push rod, guide rods are symmetrically installed at the top of the disc, the two sets of guide rods are both slidably connected with the U-shaped frame, and a laser cutting head is fixedly installed at the bottom of the disc; the top of the cutting position can be cleaned after the plate is cut, attached slag can be cleaned down, the subsequent grinding and cleaning step is omitted, the influence on subsequent kitchen ware plate machining is avoided, and the production efficiency of kitchen ware is improved.

The utility model provides a knife sharpener that selects different sharpening angles or different sharpening forms by rotating a sharpening component disc body with a knob. The knife sharpener has a variety of grinding angles and sharpening components for sharpening different types of knives, which are concentrated and evenly distributed in one sharpening component disc body in the form of a disc. Through the axis rotation of gears on the knob and the gear transmission method, the disc body of the sharpener is driven to rotate to realize the function of selecting sharpening slots with different sharpening angles or different sharpening forms for sharpening.

The utility model discloses a pressure controllable type machine tool clamp, belongs to the technical field of machine tool clamps, and aims to solve the problems that a workpiece cannot be clamped stably and cannot be protected. The pressure controllable type machine tool clamp comprises a concave frame, a disc is fixedly connected to the top of the concave frame, and a rotating shaft penetrating through the disc is rotationally connected to the upper surface of the bottom of the concave frame; the worm wheel is matched with the worm, the rotating wheel is rotated to enable the worm to rotate, and the worm wheel meshed with the worm drives the rotating shaft to rotate, so that the disc rotates, the disc rotates to drive the arc-shaped guide groove to push the guide wheel to move, and the guide wheel drives the sliding rod to move. The multiple sliding rods are driven to move towards the inner side, the multiple arc-shaped chucks are driven to clamp and fix a workpiece, the workpiece is clamped from four directions at the same time, the workpiece can be stably fixed, production errors caused by deviation of the workpiece in the machining process are avoided, and the production precision and stability are improved.

An actuator includes a movable body including: a disk-shaped magnet, a pair of disk-shaped yokes fixed to front and back surfaces of the disk-shaped magnet, a pair of spring retaining parts connected at one ends to the disk-shaped yokes, respectively, and connected at other ends to central portions of circular leaf springs, respectively, and a protruding part protruding in an axial direction of the disk-shaped magnet from the other end of one spring retaining part of the pair of spring retaining parts; and a fixing body including: a coil disposed at an outer circumference of the movable body, and a case including an opening portion through which the protruding part is inserted, the case accommodating the coil and the movable body such that a protruding end side of the protruding part protrudes to an outside.

The invention relates to the technical field of vehicle hub machining, in particular to a vehicle hub drilling device which comprises a base and supporting seats symmetrically and fixedly connected to the top of the base, a containing seat is fixedly connected between the supporting seats, a round hole is formed in the middle of the containing seat, and a discharging frame used for discharging waste liquid and chippings is fixedly connected to the bottom of the containing seat. According to the hub drilling device, a hub is firstly placed on the placement seat and clamped and fixed by the electric clamping plate, then the drill rod is started to rotate, then the lifter is started to drive the disc to move downwards, the fan-shaped frames drive the drill rod to move downwards through the sliding blocks to drill the hub, and the number and the position of the fan-shaped frames are controlled; according to the hub drilling device, the four fan-shaped frames can drill four holes of a hub, and the five fan-shaped frames can drill five holes of the hub, so that the hub can be subjected to four-hole and five-hole drilling, the machining requirement is met, and the adaptability is improved.

The invention belongs to the technical field of tool magazines, particularly relates to a disc type tool magazine with a chain type radial servo chain, and provides the following scheme aiming at the problems that when a tool sleeve is replaced, cuttings and cooling liquid can be carried to enter movable parts such as a locking mechanism in the tool sleeve, so that the mechanism is inflexible in action and blocked, and normal grabbing, releasing and locking of the tool are influenced. Comprising a base body, one side of the base body is fixedly connected with a disc, an index plate is arranged on the base body, and an assembly part is arranged on one side of the base body; and the driving circular pipe is arranged on one side of the assembly part. According to the disc type tool magazine with the chain type radial servo chain, the problem of mechanism clamping stagnation caused by invasion of cuttings and cooling liquid is fundamentally solved through the pre-cleaning module and the positioning auxiliary module, pollution prevention is deeply integrated into the tool changing process, the high tool changing efficiency is maintained while the cleaning effect is ensured, and the tool changing efficiency is improved. And the reliability and the service life of the tool magazine in high-speed machining are remarkably improved.

The invention discloses a suspension chain type conveying assembly for impregnating insulating paint of electrical accessories, which is characterized in that a gear on a suspension assembly is matched with a bearing rack on a bearing rail to drive an electrical product to rotate, a guide seat with a guide rack is additionally arranged above a paint impregnating pool, a disc with a gear roller is additionally arranged on the suspension assembly, and the gear roller is arranged on the disc. When the hanging assembly is conveyed to the paint dipping pool, the gear roller is horizontally conveyed into the guide rail and rolls along the end face of the guide rack to do up-and-down fluctuating motion, and due to the fact that the gear roller and the disc are rotationally installed, and the disc and the outer sleeve are telescopically installed, the disc moves up and down under the guiding effect of the gear roller on the premise that rotation work of the disc is not affected; the electric appliance product can stably rotate and move up and down in the dipping process, the hook is used for simply hanging the electric appliance product, feeding and discharging are facilitated, the contact face between the electric appliance product and the hook is continuously changed in the shaking process, and the dipping effect is improved.

The invention relates to the related technical field of reagent mixing, and discloses a medical immunoassay reagent mixing processor which comprises a device body, a stepping motor is mounted on the upper side of the interior of the device body, a circular plate is fixedly arranged at the output end of the stepping motor, a disc is arranged on the upper side of the circular plate, and a plurality of placement grooves are formed in the interior of the disc in a circumferential array mode. An adjusting assembly is arranged in the middle of each containing groove. Centrifugal force generated by rotation of the disc is matched with inclined arrangement of the test tube, so that a reagent moves up and down along the inner wall of the test tube, and the reagent layered up and down in the test tube can be quickly and uniformly mixed up and down; the reagent in the test tube is prevented from being splashed through the sealing cover; under the guiding action of a convex block on an ejector rod and the elastic action of a hollow elastic piece, a plurality of sleeves and the test tube are shaken up and down, so that the efficiency of quickly and uniformly mixing the reagents which are layered up and down in the test tube is improved.

The invention provides a special double-cavity row type airflow crushing system for producing diamond micro-powder, and effectively solves the problems that when an existing airflow crushing machine crushes diamond, the impact frequency of large particles is insufficient, small particles are excessively crushed, the particle size distribution range of the crushed micro-powder is wide, and the particle size of the produced diamond micro-powder is not uniform. According to the technical scheme, the device comprises two jet mills and a connecting structure, the jet mill comprises a crushing cavity, a feeding hole, a crushing nozzle, a pressure equalizing chamber and an air outlet; the crushing cavity is of a disc cavity structure consisting of a circular-ring-shaped side lining plate, an upper-end lining plate and a lower-end lining plate; spiral strips are arranged on the inner side walls of the side lining plates; the connecting structure comprises a cylindrical shell and a hollow pipe at the lower end of the cylindrical shell, and one end of the hollow pipe gradually faces downwards and communicates with the crushing cavity; a material guide plate is arranged on the lower end surface of the upper end lining plate; blanking pipes are arranged on the left and right sides of the lower end of the cylindrical shell; the lower ends of the blanking pipes are communicated with the crushing cavity; a filter screen is arranged at the upper end of the cylindrical shell.

The utility model discloses a power cable installation traction device, which belongs to the technical field of cable traction and comprises a box body, a lantern ring is fixedly arranged on one side surface of the box body, an inner cavity of the lantern ring is hollowed-out, a circular groove is formed in the inner cavity of the lantern ring, a limiting plate is fixedly arranged on the inner wall of one side of the circular groove, and an adaptive disc is arranged in the inner cavity of the lantern ring in a sliding manner. An inner cavity of the disc is hollowed out, teeth are installed on the peripheral side of the disc, a sliding groove matched with the limiting plate is formed in one side face of the disc, a brush used for cleaning the surface of the power cable is installed in the inner cavity of the disc, and a driving motor is fixedly installed on the inner wall of one side of the box body. An output shaft of the driving motor penetrates through the box body and is fixedly connected with a gear meshed with the teeth, and the two side faces of the box body are each provided with a through hole for a common power cable to penetrate through. According to the power cable installation traction device, the problem that dust and stone particles adhered to the peripheral side of a power cable slip is solved, and the laying efficiency of the power cable is improved.

The invention discloses a crane boom deflection measuring device, and relates to the technical field of crane auxiliary equipment.The crane boom deflection measuring device comprises a base and a remote control end, a first stand column is connected to the upper portion of the base through a bearing, a second stand column is fixedly connected to the upper portion of the first stand column, and a connecting table is welded to the top of the second stand column; a connecting support is welded to the upper portion of the connecting table, a driving machine is installed in the middle of the connecting support, an arm frame is riveted to one side of the connecting support, a compensation mechanism is installed at the bottom of the arm frame, a hanging ring is fixedly connected to the bottom of the compensation mechanism, and an electric hoist is arranged on the hanging ring. A first laser sensor, a second laser sensor and a third laser sensor are installed on the bottom face of the arm support, the compensation mechanism comprises a disc, a first sliding groove and a second sliding groove are formed in the disc, and a sliding rod is installed below the first sliding groove. And the stability of the arm support is improved.

The invention belongs to the field of steel pipe machining, and particularly relates to an intelligent grinding device for steel pipe machining. A bottom plate is arranged on the steel pipe grinding machine. Gauze of the multi-leaf wheel is shifted through the shifting plate, so that the gap between every two adjacent pieces of gauze in the multi-leaf wheel is enlarged, meanwhile, air suction is conducted through the air suction pipe, chippings and sand blown by the gauze of the multi-leaf wheel are sucked away, the gap between every two adjacent pieces of gauze in the multi-leaf wheel is enlarged through the shifting plate, and therefore the dust removal effect is improved. Parts of chippings and sand wind can fall down under the influence of the gravity of the chippings and the sand wind, the cleaning effect of the multi-leaf wheel is improved, the polishing effect of the multi-leaf wheel on a steel pipe is improved, splashing of the chippings and the sand wind around is reduced through shielding of a circular ring, a disc and a housing, the circular ring, the disc and the housing are matched to jointly cover the outer side of the multi-leaf wheel, and the polishing effect of the multi-leaf wheel is improved. And the pressure intensity at the multi-leaf wheel is quickly reduced, so that the cleaning efficiency of the multi-leaf wheel is improved.

The invention provides a magnetic polishing device for hardware parts, and belongs to the technical field of magnetic polishing equipment.The magnetic polishing device comprises a machine table, a polishing barrel and a permanent magnet disc, the polishing barrel is arranged to be a circular-tube-shaped shell with openings in the two ends, and a top cover capable of being opened and closed is arranged at the top opening end of the polishing barrel; the top cover is provided with a plurality of electromagnets which are distributed in the circumferential direction and can apply longitudinal magnetic attraction force to the horizontally-rotating magnetic needle, so that the horizontally-rotating magnetic needle flow generates longitudinal fluctuation; the top cover capable of being opened and closed is arranged above the polishing barrel, the electromagnet is arranged on the top cover, in the polishing process, the electromagnet is started, the magnetic field generated by the electromagnet is utilized, longitudinal magnetic attraction force is applied to the horizontally-rotating magnetic needle, and the horizontally-rotating magnetic needle flow can generate longitudinal fluctuation; and the magnetic needles flowing in the polishing barrel have multiple flowing directions, so that the parts can be rubbed in multiple directions, and the polishing efficiency is improved.

A surgical instrument designed to operate with a robotic platform is disclosed. The surgical instrument assembly includes a shaft, an end effector, a knife firing subsystem to actuate functions of the end effector, an articulation subsystem that is actuatable to articulate the end effector, an articulation joint about which the end effector articulates, a roll subsystem to roll the shaft, and a housing that couples to the robotic platform. The roll subsystem can include a shaft assembly and a shaft roll puck assembly. The shaft assembly includes a rotatable outer shaft and an inner shaft. The shaft roll puck assembly engages the housing and includes a shaft roll puck and first and second screw gears. Rotation of the shaft roll puck rotates the first screw gear, which rotates the second screw gear, which rotates the rotatable outer shaft.