30results about How to "Prevent popup" patented technology

The utility model discloses a reinforcing steel bar bending device for constructional engineering, and aims to solve the technical problem that the working efficiency is affected as a reinforcing steel bar bending device in the prior art cannot bend a plurality of reinforcing steel bars simultaneously, the reinforcing steel bar bending device comprises a machine tool, and the left side of the top of the machine tool is rotatably connected with a threaded adjusting rod; the right side of the top of the machine tool is fixedly connected with a guide sliding rod, the top of the machine tool is slidably connected with a limiting plate, the right side of the machine tool is fixedly connected with a pair of limiting frames, and the corresponding sides of the two sets of limiting frames are each provided with a set of arc-shaped limiting sliding grooves. Compared with an existing reinforcing steel bar bending device, the reinforcing steel bar bending device has the advantages that multiple sets of reinforcing steel bars can be conveniently bent at the same time through the design, the working efficiency of reinforcing steel bar machining is improved, and the overall practicability is enhanced.

This utility model discloses a transport packaging device for long, curved parts with a limiting mechanism. The support frame is connected to the inner surface of the rear frame. A positioning frame is provided on the upper surface of the support frame, and several protrusions are provided on the upper surface of the positioning frame. A groove is formed between two adjacent protrusions. A limiting groove is opened on the upper surface of the protrusion along the length direction of the positioning frame. U-shaped buckles are provided at both ends of the support frame, and hooks are provided at both ends of the elastic pressure rope. The hooks at both ends of the elastic pressure rope are respectively connected to the U-shaped buckles at both ends of the support frame. The elastic pressure rope is pressed into the limiting groove on the upper surface of each protrusion. This utility model has a reasonable structure. First, the long, curved parts are supported in the grooves between the protrusions of the positioning frame to prevent them from colliding with each other. Second, after the elastic pressure rope is connected to the U-shaped buckle through the hook, the elastic pressure rope will press into the limiting groove of the protrusion to prevent the long, curved parts from popping out of the groove of the support frame, thereby greatly improving the stability of the parts in the transport process.

This invention discloses an assembly process, assembly platform, and automated assembly method for a pressure sensor, comprising: step a, freezing an elastic antifreeze plug in a low-temperature environment until it shrinks to a size smaller than the diameter of the drainage hole of the pressure sensor, changing its properties from elastic to brittle, and forming a frost layer on its surface; step b, with the drainage hole opening upwards; step c, inserting the antifreeze plug into the drainage hole to allow it to sink into the hole; step d, using a pressure rod to further penetrate the antifreeze plug; step e, checking whether the depth of the antifreeze plug in the drainage hole meets the standard; if not, repeating steps d and e until it does; step f, waiting for the antifreeze plug to thaw and restore its original size and elasticity, allowing the antifreeze plug to be elastically squeezed and fixed to the inner wall of the drainage hole. This invention, by freezing the antifreeze plug, reducing its size, making it brittle, and forming a frost layer on its surface to reduce friction, reduces the difficulty of inserting the antifreeze plug deep into the drainage hole while eliminating the need to apply lubricant to the surface of the antifreeze plug.

The utility model relates to sample tube technical field, concretely relates to a sample storage tube. Including the pipe body and the pipe cap, the pipe body includes the accommodating part to the connecting portion that cooperates with the pipe cap, is equipped with the mounting panel at the connecting portion, and the end of the mounting panel away from the connecting portion is concave and forms the cut -out downward. Through the cut -out of the utility model, it can cut off the swab rod quickly to improve the efficiency of sample collection, through setting the connecting portion, makes the stable reliable breakage of swab, avoids the liquid splashing of the cotton head wall surface in the breaking process, causes the infection of medical staff.

The utility model discloses a kind of pressing fixing devices for rubber product elasticity detection, it is related to elastic detection technical field, including jaw seat, symmetrically inserting screw rod is arranged in the inside of jaw seat, and the side of screw rod mutually close is connected by bearing and jaw, the side of jaw is respectively fixedly connected with guide column, the inside of jaw seat is equipped with the guide slot compatible with guide column, the front of jaw seat is distributed with fixed plate.The utility model is provided with L type board and inserting rod, in use process, by the setting of inserting rod, it can be locked in time after screw rod is adjusted in place, limit its axial and radial displacement, to ensure that the normal pressing head of jaw is fixed to sample, prevent sample from popping out to cause threat, provided with rubber board, when staff drive L type board to lift, by the four groups of rubber board of L type board bottom wall gluing, L type board and the outer wall of jaw seat can be prevented rigidly abut, to realize the external force suffered by L type board buffering.

This invention discloses a cutting structure for solving the problem of hair entanglement in cyclone filters. It includes: a cyclone filter with a filter screen; a dust cup, one end of which is connected to the cyclone filter, and the filter screen is located inside the dust cup; and a cutting component connected to the dust cup at its contact point with the outer surface of the filter screen. When the dust cup is separated from the cyclone filter and pulled out, the cutting component cuts off the hair entangled on the filter screen. Compared to existing technologies, this invention, by installing a cutting component on the dust cup, allows the dust cup and cyclone filter to move relative to each other during disassembly. The cutting component can then cut off the hair entangled in the cyclone filter without disassembling the cyclone filter, making it more convenient and improving the user experience.

The utility model discloses a convenient fixing and arrangement buckle of cable in distribution box relates to distribution box technical field, aiming at the problem that the cable is fixed when operating complicated to distribution box, and the fixed position of cable is not easy to adjust according to the demand, including box, the wire hole is seted up in the top of box left side outer wall, and the cable fixing mechanism is arranged in the box, the utility model discloses the cooperation of fixed buckle and fastener, after the cable is worn into fixed buckle, rotates fastener and makes the knob and the joint groove and makes fixed buckle present closed state, avoids the cable from the fixed buckle and pops out, completes the fixed operation of cable, through the cooperation of slide cavity and slide plate, pulls fixed buckle and drives the strip board to move, makes the positioning post on the strip board and the positioning hole separate, releases the locking to T type sliding block, and adjusts the position of fixed buckle, effectively avoids the cable and is fixed when operating complicated to distribution box, and the fixed position of cable is not easy to adjust according to the demand.

This invention discloses an automated assembly equipment for a manual button box cover assembly, belonging to the field of automation equipment. The automated assembly equipment for the manual button box cover assembly of the present invention includes a multi-station rotary table. The rotary table has at least the following stations arranged sequentially along its circumference: a box cover loading station, a latch assembly station, a cover assembly station, a cover inspection station, and a product unloading station. The rotary table also has corresponding box cover positioning fixtures for each of the aforementioned stations. Each positioning fixture has a positioning groove and a pin and a push rod located at the bottom of the groove. The intermittent rotation of the rotary table drives the box cover positioning fixtures to sequentially rotate between the corresponding stations. Each station has a sequentially arranged box cover loading mechanism, latch assembly mechanism, cover assembly mechanism, cover inspection mechanism, and product unloading mechanism. The automated equipment realizes the assembly processes of box cover loading, latch assembly, cover assembly, cover inspection, and product unloading. The various assembly actions are switched via the multi-station rotary table, resulting in continuous and efficient assembly actions, greatly improving assembly efficiency and product quality. The equipment has advantages such as simple and compact structure, stable and reliable assembly, and helps reduce the manufacturing cost of the manual button box cover assembly.

The utility model discloses a welding device for an integrated sealing spring, and relates to the technical field of sealing spring welding. The welding device comprises a workbench, a fixing structure is arranged at the top of the workbench, the fixing structure comprises a plurality of first fixing seats, and the first fixing seats are all fixedly installed at the top of the workbench; according to the welding device for the integrated sealing spring, a rotating handle is rotated to drive a worm to rotate, so that a worm gear is driven to rotate in a meshed mode, a rotating shaft is driven to rotate along with the worm gear, a gear is driven to rotate, an outer gear ring is driven to rotate in a meshed mode, and a containing disc is driven to rotate along with the containing disc; and under the limiting action of the multiple sliding blocks, the multiple limiting columns can move towards the center position, so that the placed spring material is fixed, manual fixing operation of the spring material is not needed, operation is easy and convenient, and the practicability of the device is improved.

The utility model relates to the technical field of popcorn machine, and disclose a kind of household popcorn machine, the household popcorn machine, including support, the support inside fixed mounting has cylinder, the cylinder bottom fixed mounting has conical cylinder.This household popcorn machine, to better home at the same time making popcorn of different tastes, by being provided with moving assembly, first edible oil, syrup and corn kernel are placed in the inside of making cylinder after, making cylinder is clamped into heater, then close round lid, after being powered on by cable, can make, when starting servo motor on fixed frame, cooperate with rotating shaft, center bearing, driving gear, edge bearing and driven gear so that stirring rod drives arc plate and stirring paddle rotation, can make the quality of popcorn product better, cooperate with conical baffle to prevent popcorn particle from bouncing out, cooperate with vertical groove, liquid outlet pipe, filter screen and hopper can conveniently add edible oil and syrup, in turn can better home at the same time making popcorn of different tastes.

This utility model discloses a camera pendant, including a housing. A lens component that can extend and retract forward is located on the front side of the housing, and a spring 1 that applies a forward elastic force is located on the rear side. A limiting arm extending rearward into the housing is located on the lens component, and a limiting barb is located at the rear end. The two limiting arms are symmetrical about the center of the lens component. A long strip-shaped control arm is slidably connected inside the housing, with a limiting part 1 and an abutment part at each end. A sliding part is also slidably connected inside the housing, sliding in the same direction as the control arm, and has a limiting part 2 on it. Limiting part 1 and limiting part 2 correspond to the two limiting barbs and are located in their direction of movement. Limiting part 2 is located between limiting part 1 and the abutment part, with spring 2 located between them. A pressable button is connected to the side wall of the housing, and a spring 3 inside the housing resets it. The button has a drive part, and the control arm and sliding part each have corresponding pressing parts 1 and 2, with the drive part located between them. This pendant can simulate the extension and retraction of a camera lens, enhancing operability and interactivity.

The utility model relates to the technical field of hoppers, in particular to a lateral feeding hopper of a plastic shredder, which comprises a feeding hopper, the top end of the feeding hopper is fixedly connected with a first fixing frame, a telescopic square pipe is arranged above the first fixing frame, and the upper end and the lower end of the telescopic square pipe are fixedly connected with second fixing frames which are symmetrically arranged. Through the arrangement of a telescopic square pipe, a second fixing frame, a rubber pad, a fixing plate, a pneumatic device, a connecting pipe, an air pipe and an air pump, before the device is used, the air pump is started, and the telescopic square pipe stretches out till the top end of the rubber pad is tightly attached to the bottom end of a discharging port of a discharging device; the telescopic square pipe can isolate plastic popped out of the plastic shredding machine, after the device is used, the air pump can be started to enable the connecting rod to retract so as to clean the feeding hopper and the plastic shredding machine, and due to the design, the plastic can be prevented from popping out, and cleaning of the feeding hopper and the plastic shredding machine is not affected.

A kind of polar knob, including fixed seat, knob piece and button, knob piece includes fixed shaft and rotating part, fixed shaft is fixedly arranged on fixed seat, rotating part rotates around fixed shaft, rotating part is fixedly installed with light sensing receiver, fixed shaft is provided with rotating cavity, fixed seat includes first lamp post and second lamp post being arranged on the both sides of light sensing receiver, rotating rotating part, light sensing receiver is rotated in rotating cavity, the direction of movement of light sensing receiver towards first lamp post is first direction X, the direction of movement of light sensing receiver towards second lamp post is first direction Y, when light sensing receiver rotates to coincide with first lamp post towards first direction X, light sensing receiver is judged as female wash;When the light sensing receiver rotates to coincide with the second lamp post towards the second direction Y, the light sensing receiver is judged as male wash;The utility model is by being provided with light sensing receiver on rotating part, and pressing button, different male wash and female wash can be distinguished.

The invention discloses an intelligent suspension conveying device with a weighing function, and belongs to the field of suspension conveying. The intelligent suspension conveying device with the weighing function comprises a suspension conveying frame, a movable moving table is assembled on the suspension conveying frame, a weighing table and a protection bin are assembled on the side face of the moving table, and a weighing sensor is assembled in the weighing table; a gear is rotationally connected to the side face of the moving table, a fixed toothed bar is assembled on the side face of the hanging conveying frame, and the fixed toothed bar is meshed with the gear. According to the intelligent suspension conveying device with the weighing function, under the condition that a moving table is just started, a first hydraulic bin is not in a rapid rotating state, and a gear, a first rotating rod, a first elastic telescopic rod, a sliding block, a second transmission rod, a second elastic telescopic rod, a first transmission rod, a bottom limiting plate and a fixed toothed rod are matched, so that materials can be jacked up to a certain degree; and the weighing sensor is prevented from being damaged by inertia.

The utility model is suitable for the technical field of wood cutting, and provides a large saw fixing device capable of preventing wood from shifting, which comprises an operation table and a driving box, a portal frame is installed at the upper end of the operation table. According to the large saw fixing device capable of preventing the wood from deviating, the limiting table is arranged, the wood is placed in the trapezoidal groove of the limiting table, meanwhile, the chain saw can generate pressure on the wood when pressing downwards, the wood is fixed at three points at the moment, therefore, the wood cannot deviate, and accurate cutting of the wood is guaranteed; when the chain saw descends, the pressing plates firstly make contact with the surface of wood, meanwhile, the wood is tightly pressed under the pressure of the balancing weight, so that the wood is more stable during cutting, the two ends of the cut wood can be pressed by arranging the two sets of pressing plates, the situation that the wood pops up after being cut off is avoided, and the service life of the wood is prolonged. And a motor is arranged to drive a conveying roller to convey the wood, so that the safety of cutting work is improved while manpower is further saved.

The utility model relates to the technical field of automobile parts conveying, and disclose a spare part conveying device for automobile parts production. Including conveying table, the inside of conveying table is connected with transmission roll through bearing swing, the side surface of transmission roll is sleeved with conveyer belt, the front surface of conveying table is fixedly connected with first machine box, the inside of first machine box is provided with first motor, the inner wall of conveying table is provided with adjusting mechanism, the upper surface of conveying table is provided with guide mechanism, the upper surface of conveying table is provided with conveying mechanism, the utility model discloses the space of the transmission belt is penetrated by the load bearing roller, and the load bearing roller can be used to slide the spring in the inside of the sliding slot and be extruded, so that the load bearing roller can drive the open box and the adjusting roller to move downward together and push the transmission belt, so that the load bearing roller is not easy to be shaken by the spring when the tension of the transmission belt is adjusted in real time.

The utility model relates to a pressing device, which comprises a hollow pipe body, a hook seat, a pressing part, a pressing part and a pressing part, and is characterized in that the pipe body is internally provided with a hook seat at one end; the machine core is arranged inside the tube body, the machine core is provided with a groove, the groove is provided with a first end and a second end, the outer diameter of the first end is gradually increased towards the outer diameter of the second end, the two ends of the machine core are respectively provided with a clamping groove and a rod body, and the hook part of the hook seat can be clamped in or separated from the clamping groove of the machine core; the rubber sleeve is arranged in the groove, the rubber sleeve can move along the groove, and the rubber sleeve is provided with an annular part; and the elastic piece is arranged between the hook seat and the movement, and the elastic piece is respectively connected with the hook seat and the movement.

The utility model discloses a mainboard FCT testing device comprising a workbench, the surface of which is provided with a fixing mechanism used for fixing a mainboard, and the surface of which is provided with a pressure groove; the testing device further comprises a supporting mechanism and a testing mechanism. The supporting mechanism is used for supporting the testing mainboard. The testing mechanism is used for performing an FCT test on the mainboard, the testing mechanism comprises a testing part and a driving part, the testing part is in transmission connection with the output end of the driving part, a limiting piece is arranged on the testing part, and the limiting piece is used for performing displacement limitation on the testing part; the fixing mechanism is arranged on the surface of the workbench, the mainboard is effectively fixed through the fixing mechanism, displacement of the mainboard in the testing process is avoided, meanwhile, after the mainboard is tested, displacement of the mainboard is limited through the fixing mechanism, the mainboard is prevented from popping up in the resetting process, damage to the mainboard is avoided, and the mainboard testing efficiency is improved. And the test precision is not influenced.

The utility model relates to volute machining technical field, concretely is a kind of turbocharger volute ear folding device, including processing table, the one end of processing table is fixedly connected with driving mechanism, and processing table slidingly connected has ear folding device, driving mechanism is inserted into ear folding device and is engaged with ear folding device, the transmission mechanism is rotatably connected with processing table, and transmission mechanism is engaged with ear folding device, and processing table is connected with fixed mechanism, and fixed mechanism is matched with transmission mechanism, the device can make volute automatically to volute fixed in ear folding process, avoid volute to pop out.

This application relates to the technical field of common mode inductors, and in particular to a common mode inductor that is easy to install, comprising a base and two housings. A positioning pin is fixedly connected to the bottom surface of the base. A connecting plate is slidably connected to the inner wall of each housing. A locking block is fixedly connected to the side of each connecting plate that is close to each other. The positioning pin is installed on the bottom surface of the base. When the base needs to be installed, moving the base moves the positioning pin, which contacts the inclined surface of the locking block, causing the locking block to move relative to the connecting plate. This allows the sliding block to move within the sliding groove, compressing the spring. When the positioning pin is installed in place, the connecting plate resets under the action of the spring, which in turn resets the locking block, locking the positioning pin. This allows the device to facilitate quick installation of the coil, enabling one-button press-to-installation. Furthermore, the connection between the positioning pin and the locking block effectively prevents the coil from moving and falling off during application.

The utility model belongs to the technical field of safety education simulation equipment, especially high altitude falling object simulation device, including stand, the upper end of stand is fixedly installed with winch through a plurality of bolts, is coiled with wire rope on the winch, the upper end middle position of stand is equipped with the perforation, the bottom end all around of wire rope is fixedly connected with a plurality of steel wire rope, the bottom end of a plurality of steel wire rope is fixedly connected with the electromagnetic chuck in common, the bottom end of electromagnetic chuck is magnetically absorbed with simulation falling object, the bottom end inside of stand is fixedly installed with base through a plurality of bolts, the front end of base is equipped with the cavity of drawing, the inside sliding connection of cavity of drawing has the box of drawing, the inside bottom end middle position of box of drawing is fixedly installed with the head mould through screw, the upper end of stand is provided with the explosion -proof transparent glass cover, the utility model has good safety education effect, can effectively promote the safety consciousness of worker, uses better.

The utility model belongs to the technical field of tablet anti-falling, and relates to a tablet anti-falling device for English learning, which comprises a protective frame, a protective cavity is enclosed in a frame body of the protective frame, a learning tablet can be placed in the protective cavity, and a heat dissipation assembly is mounted on the protective frame. A mounting groove is formed in the lower position of a cavity body of the protection cavity, a first net plate is mounted at the top of the mounting groove, a second net plate is mounted at the bottom of the mounting groove, fixing seats are symmetrically mounted between the first net plate and the second net plate, rotating seats are mounted on the fixing seats, fan blades are mounted on seat bodies of the rotating seats, and driving devices are mounted in the rotating seats. The driving device can drive the fan blades to rotate, and an auxiliary fixing assembly is installed on the protection frame. Through cooperation of the heat dissipation assembly and the auxiliary fixing assembly, it can be guaranteed that the heat dissipation requirement is met when the flat plate is protected, meanwhile, the flat plate is prevented from being popped out when falling off, and the protection effect on the flat plate is further achieved.

The utility model relates to the technical field of furniture, and particularly discloses a seat with switchable moving modes, which comprises a seat body and switchable moving components respectively arranged on the outer sides of legs and feet of the seat body, each switchable moving component comprises a bending connecting piece, a screw rod, a connecting frame and a pulley, the bending connecting piece is fixed with the legs and feet of the seat body through a fastener, and the screw rod is connected with the connecting frame. A lead screw vertically penetrates through the upper portion of the bending connecting piece, the two ends of the lead screw extend out of the bending connecting piece, the lower end of the lead screw extends out and penetrates through the connecting frame to be provided with a first limiting nut in a screwed mode, the upper end of the lead screw extends out and is provided with a second limiting nut in a screwed mode, and the outer wall of the lead screw is sleeved with a pressure spring which is located between the bending connecting piece and the connecting frame. When the chair is placed, the bottoms of the pulleys protrude out of legs and feet of the chair body, and when the chair is pressed down under stress, the bottoms of the pulleys are flush with the bottoms of the legs and feet of the chair body. The folding and unfolding of the pulley can be realized by switching two states of the moving component, and the problem that the seat is difficult to move is solved.

The present application relates to the field of automobile caliper detection, especially to a kind of for automobile caliper body air tightness detection device.Purporting to have workbench;Workbench is equipped with detector;Workbench is connected with positioning base etc..The present application realizes: through spring and clamp block, the quick disassembly and assembly of the butt joint pipe and rotating pipe are realized, adapt to different models, different specifications caliper detection operation, easy and fast operation;During detection, through two annular air bags, connector, rotating pipe and oil inlet pipe wall jointly form closed pressure relief chamber, and then through detection whether there is air leakage to pressure relief chamber, the body of automobile caliper and oil inlet are accurately distinguished and judged, and annular air bag is continuously clamped on the outer wall of oil inlet, when the impact force of oil inlet leakage airflow acts on connector, rely on the clamping and restraint of annular air bag to oil inlet, avoid connector to be ejected by internal air pressure impact.

The utility model relates to the technical field of monoclonal antibodies, and discloses a centrifugal screening device for monoclonal antibodies, which comprises a box body, a centrifugal component is arranged in the box body, an adjusting component is arranged in the centrifugal component, the centrifugal component comprises a shaft rod and a rotating frame, and the rotating frame is arranged on the shaft rod. The shaft rod is installed at the top end of an output shaft of the motor in the box body, the rotating frame is fixedly installed at the top end of the shaft rod, four supporting blocks are fixedly installed on the outer portion of the shaft rod, four limiting grooves are formed in the outer portion of the rotating frame, and a pipe sleeve is movably installed in each limiting groove. The test tubes can be automatically inclined through the tube sleeves and the positioning rods, so that cells of separated specific antibodies are positioned at the bottom ends of the test tubes, and the test tubes are prevented from colliding with the inner wall of the box body; through the screw rod and the base, the test tube support height can be conveniently adjusted, and test tubes with different lengths can be supported and fixed.

The present application provides a control method of a hidden door handle of a vehicle and a vehicle, which can intelligently and automatically avoid the door handle from icing without seeking manual ice breaking after the door handle is frozen, without any attention of the user, and can avoid the door handle from being popped out for a long time to prevent the door handle from being frozen. The control method of the hidden door handle of the vehicle includes a step of measuring an external temperature, a step of detecting whether it is raining or snowing outside, a step of obtaining a weather forecast, and a step of determining whether to retract or pop out the hidden door handle. In the case that the vehicle is in a driving state, whether to retract the hidden door handle is determined based on the external temperature and whether it is raining or snowing. In the case that the vehicle is in a parking state, whether to retract or pop out the hidden door handle is determined based on the external temperature, whether it is raining or snowing, and information of the weather forecast.

This utility model discloses an automatic packing fixture for flexible packaging products, belonging to the field of automated packaging technology. It aims to solve the problems of existing suction cup packing mechanisms requiring manual product compression and prone to rebound. The fixture includes a horizontal fixed plate, a stationary clamping plate, a movable clamping plate, a first drive mechanism, a pressing head, and a second drive mechanism. The stationary clamping plate is fixed to the rear of the fixed plate, and the movable clamping plate is located at the front and driven by the first drive mechanism to achieve front and rear clamping compression. The pressing head is connected to the second drive mechanism for further pressing down after the product is placed in the box to prevent rebound. This utility model can improve the automation level of packing, prevent product rebound, enhance operational stability and versatility, and is suitable for efficient packing operations of flexible packaging products.

The utility model relates to the technical field of steel bar testing, and discloses a prestressed tendon reverse bending fatigue testing device which comprises a base, a movable frame is movably installed on the top side of the base, a connecting rod is arranged on the right side of the movable frame, and a placing table is fixedly installed on the top side of the movable frame. A limiting seat is movably installed on the top side of the containing table, a guide frame is movably installed on the top side of the base, and a blocking seat is fixedly installed on the top side of the guide frame. In the bending fatigue testing process, the two ends of the reinforcing steel bar can tilt by an amplitude, the two ends of the reinforcing steel bar are clamped with the chutes in the bottom sides of the limiting seats at the moment, so that limiting is carried out, and the limiting seats are pushed to move when the two ends of the reinforcing steel bar continuously tilt in the testing process; in the process, the reinforcing steel bars are limited through counter-acting force generated by the fastening springs, meanwhile, the placing table movable frame is pulled to move, the testing stability is improved, the reinforcing steel bars are prevented from being popped out, and then the testing safety is improved.

The utility model relates to a kind of steel pipe packing flat iron derusting device, belong to steel pipe bundling flat iron rust removal technical field. Mainly including workbench, feed device, polishing device, the workbench is vertically provided with the through slot for limiting the transport of flat iron, corresponding workbench is installed in the both ends of through slot with the feed device of clamping flat iron, polishing frame mouth is set up in the both sides of upper and lower of through slot middle section, polishing device is installed in the both sides of upper and lower of workbench with the polishing of flat iron through polishing frame mouth;Flat iron is inserted into through slot by artificial, then flat iron is clamped by feed device, the both sides of flat iron are polished and rusted by polishing device in the both sides of upper and lower of workbench in turn, limit flat iron by through slot, guarantee the stability of flat iron in polishing process, avoid flat iron to pop out, guarantee processing safety;Uniform speed is fed by feed device, guarantee the uniformity of polishing, guarantee polishing, rust removal quality, can effectively reduce labor intensity, save artificial cost, improve work efficiency.