82results about How to "Thorough rust removal" patented technology

The invention provides a method and a device for removing rust on sheet metal. The device comprises a stander, a sheet clamping mechanism arranged on the stander and used for clamping the sheet, at least one belt grinding mechanism arranged at one side of the sheet clamping mechanism, at least one pressure mechanism arranged in the sheet clamping mechanism, a first transmission mechanism connected with the belt grinding mechanism, a second transmission mechanism of the pressure mechanism, and a control mechanism connected with the first transmission mechanism and the second transmission mechanism, wherein the control mechanism is controlled by the pressure mechanism to force a sand belt of the belt grinding mechanism to movably contact the surface of the sheet to complete the removal of a metal oxide layer on the surface of the sheet. The invention not only can solve the problem that rust cannot be removed thoroughly and manually, but also can lighten the labor intensity of workers, enhance the production efficiency, reduce the replace times of grinding material and lower the production cost.

The invention discloses an integrated machine for derusting and cutting steel pipes for construction, which comprises a base and a steel pipe. The base is provided with a first U-shaped seat and a second U-shaped seat, and the tops of the first U-shaped seat and the second U-shaped seat respectively pass through the The bearing with seat is rotatably connected with a first derusting cylinder and a second derusting cylinder, and second gears are fixedly installed on the first derusting cylinder and the second derusting cylinder; the first U-shaped seat and the second U-shaped seat also have Rotationally connected with a rotating shaft, the first gear is installed on the rotating shaft, the first gear meshes with the second gear, the right end of the rotating shaft connected with the first U-shaped seat and the left end of the rotating shaft connected with the second U-shaped seat are equipped with the second bevel gear , the base is also provided with a first motor, the motor shaft at the top of the first motor is connected with a first bevel gear, and the first bevel gear meshes with the second bevel gear. The invention rotates the derusting cylinder, and a derusting brush is arranged on the inner wall of the derusting cylinder to derust the steel pipe, and the scope of derusting is wide; there are two derusting cylinders with opposite rotation directions, so that the derusting is more thorough.

The invention relates to a steel wire rust removal production line and a rust removal process. The production line comprises an uncoiling machine, a rust removal device and a coiling machine which aresequentially arranged in the running direction of the production line, wherein a steel wire penetrates through the uncoiling machine, the rust removal device and the coiling machine in sequence, andthe uncoiling machine is used for pulling the steel wire to be straight and pull the steel wire into the rust removal device and performing preliminary rust removal treatment on the surface of the steel wire; the rust removal device is used for further processing the surface of the steel wire; and the coiling machine is used for coiling the steel wire subjected to rust removal treatment. The rustremoval production line and the rust removal process are small in pollution and high in rust removal efficiency.

The invention discloses a steel bar rust removal device for building construction. The steel bar rust removal device comprises a base, and a reciprocating rotating mechanism for driving a steel bar tomove back and forth and rotate is arranged on the base; the reciprocating rotating mechanism comprises a driving motor and a reciprocating screw rod, a connecting rod is rotationally connected to thereciprocating screw rod, a mounting plate is fixed to the end, away from the driving motor, of the connecting rod, and a chuck for fixing the steel bar is fixed to the mounting plate; and rust removal mechanisms are arranged between the chuck and a supporting sleeve. According to the steel bar rust removal device for building construction, the reciprocating screw rod is used for driving the steelbar to do horizontal reciprocating motion and continuously rotate simultaneously, the multiple sets of rust removal mechanisms are clamped outside the steel bar, all-dimensional grinding and rust removal of the steel bar are achieved, and rust removal is comprehensive and thorough; compared with traditional manual grinding, the steel bar rust removal device has the advantages that the manpower issaved, and the grinding effect is better; and rapid clamping of the steel bar is achieved through the chuck, convenient and rapid dismounting and mounting are achieved, and the rust removal efficiency is high.

The invention relates to a rust removal device, in particular to a hardware block rust removal device. The hardware block rust removal device aims to achieve the technical effects of being small in workload, complete in rust removal effect and easy to operate. In order to achieve the technical effects, the hardware block rust removal device comprises a collecting box, a base, a bearing seat, a gear, a rack, an electric push rod, a right support, a rotating rod, a steel wire brush, fixing blocks, bolts, a second lifting frame, a second connecting rod, an air cylinder, a nut, a first connecting rod, a guide block, a guide rail, a lead screw, a first lifting frame and a first motor. The collecting box, the bearing seat and the right support are sequentially arranged on the top of the base from left to right. The rotating rod is arranged on the bearing seat. The gear is arranged on the rotating rod. The hardware block rust removal device achieves the effects of being small in workload, complete in dust removal effect and easy to operate. Meanwhile, the hardware block rust removal device can completely remove rust, improve the rust removal quality and the rust removal effect and increase benefits.

The invention discloses a strip steel surface rust removing apparatus. The strip steel surface rust removing apparatus comprises a feeder, a detector, a rust remover, a flusher and a winder, wherein the detector is used for limiting a plane strip steel in the horizontal direction and the vertical direction and detecting the shape and the position of a rust defect on the surface of the strip steel; a second driving mechanism drives a rust removal mechanism to move above the rust defect according to a detection signal and grinding the position of the rust; next, a third driving mechanism drives a dust collection mechanism to collect dust generated by polishing the rust, and then the flusher is adopted to flush away the dust. The strip steel surface rust removing apparatus is capable of detecting the local rust on the surface of the strip steel and capable of automatically removing and cleaning the local rust by use of the detection mechanism; as a result, the apparatus is high in working efficiency, thorough in rust removal and high in processing accuracy; the working process is pollution-free, and meanwhile, the rust removed material can be recycled.

The invention relates to the field of steel structure corrosion resistance, in particular to a steel structure anti-corrosive construction technology. The steel structure anti-corrosive construction technology includes the following steps that S1, the surface of a steel structure is cleaned, so that impurities on the surface of the steel structure are removed; S2, derusting by sandblast is conducted; S3, roughness treatment is carried out on the surface of the steel structure; S4, primer preparation is performed; S5, steel structure primer is coated, so that a bottom film is formed on the surface of the steel structure; S6, finish paint of the steel structure is coated; and S7, steel structure products are inspected and accepted. The steel structure anti-corrosive construction technology has the beneficial effects that the impurities on the surface of the steel structure can be removed completely before coating, the binding force of coatings and the surface of the steel structure can be better increased, corrosion resistance of the coatings and the surface of the steel structure can be better improved, and the corrosion resistance of the steel structure is good.

The invention discloses a rotary derusting machine. The machine comprises a middle driving supporting frame, an end part supporting frame, a driving motor, a primary gearbox and rotary derusting mechanisms. The rotary derusting machine has the advantages that 1, the rotary derusting mechanisms can be driven to rotate 360 degrees through a first-stage output shaft, so that steel bars and steel pipes can be subjected to comprehensive derusting, complete and uniform derusting can be realized, and raw material waste caused by local centralized derusting of the steel pipe is avoided; 2, the two rotary derusting mechanisms have four pairs of derusting rollers, the contact area between the steel bars and the derusting rollers is expanded, the derusting efficiency is effectively improved, and themachine is convenient to popularize; 3, on-line adjustment on the distance among the derusting rollers can be realized through cooperation of a worm and a gear, so that the machine can be used in cooperation with a wire drawing production line, and is wide in applicability, frequent shutdown is not needed, the use is convenient, the workload is reduced, and the derusting efficiency is further improved; and 4, the whole machine is gear-driven, the noise is low, the operation is stable, the machine failure rate can be effectively reduced, and the service life of the machine can be prolonged.

The invention discloses a surface derusting device for petroleum drill pipes. The inner wall at the right end of the support frame is provided with two sets of symmetrically distributed sleeves, and a sliding column is inserted into the inner cavity left at the lower end of the sleeve. The top of the sliding column is connected with the bottom of the inner cavity of the sleeve through a spring, the bottom of the sliding column is provided with rollers, and the rollers are connected with the motor through a belt, and the left end surface of the support frame is provided with three sets of symmetrically distributed The right end surface of the annular plate is provided with three sets of symmetrically distributed guide columns, the guide columns are slidably connected with the guide grooves, and the inner wall of the left end of the support frame is provided with three sets of symmetrically distributed parallel hydraulic presses. The left end is provided with a telescopic rod, and the left end of the telescopic rod is connected with the annular plate. In this device for removing rust on the surface of the drill pipe, the sliding column and the sleeve are connected by a spring, so that the roller and the drill pipe are clamped more tightly, and the annular plate is connected with the hydraulic press, so that the sandpaper can repeatedly derust the drill pipe back and forth, and the rust removal is more efficient. thorough.

The invention relates to a rust removal device, in particular to a building rebar rust removal device. The building rebar rust removal device aims to solve the technical problems. The building rebar rust removal device comprises a top plate, sliding blocks, first connecting rods, a moving device, a bristle brush, L-shaped rods, a fixture block and the like. A sliding rail is arranged in the middle of the bottom of the top plate, the sliding blocks are symmetrically arranged on the left side and on the right side of the sliding rail, the lower side of each sliding block is connected with the corresponding first connecting rod, the moving device is arranged below the first connecting rods, the lower side of the moving device is connected with the bristle brush, the left side and the right side of the bottom of the top plate are symmetrically connected with the L-shaped rods, and the L-shaped rods are located on the left side and on the right side of the sliding rail. The building rebar rust removal device can adapt to rust removal of rebar with various lengths and different thicknesses and meets the demand of building rebar rust removal, rebar rust removal is thorough, the rebar rust removal range is large, and meanwhile the bristle brush is convenient to disassemble and replace.

The invention discloses an alkaline steel rust remover and a preparation method thereof. The alkaline steel rust remover is prepared from the following components of, in percentage by mass, 0.1%-8% ofan alkali agent, 0.01%-5% of a complexing agent, 0.01%-3% of a corrosion inhibitor, 0.1%-3% of an emulsifier, 0.01%-0.05% of a defoaming agent, 0.02%-1% of a thickening agent and the balance water. The preparation method of the alkaline steel rust remover is very simple, and the components are mixed uniformly in batches; and the rust removal effect of the alkaline steel rust remover is good, steel is not corroded, acid mist is not generated, the hydrogen embrittlement phenomenon does not occur, the production process is simple, and safety and environmental protection are achieved.

The invention discloses dust removal equipment for metal materials. A following scheme is proposed to solve the problems of troublesome dust removal and harm to human health, the dust removal equipment for the metal materials comprises a box body and further comprises a clamping mechanism which is installed on the box body and used for clamping the metal materials, a vacuumizing mechanism which isinstalled on the box body and used for enabling the box body to be in a vacuum state, and a sand blasting dust removal mechanism which is installed on the box body and comprises an air compression pump and a spray gun, wherein the air compression pump is connected with the spray gun. According to the dust removal equipment for the metal materials, the force of compressed air and mechanical centrifugal force are used for spraying sand and gravel onto the surface of a metal plate from the spray gun to impact the surface of the metal plate to disengage impurities such as rust layers, old paint films, molding sand and welding slag, and therefore high working efficiency, thorough dust removal and simple dust removal are achieved and dust cannot be inhaled by human bodies.

A steel pipe inner wall derusting machine, comprising a fixed seat, an extending mechanism fixed horizontally on the fixed seat, a driving device fixed on the extending mechanism, and a rust remover driven by the driving device; device; the extension mechanism is composed of several detachably connected extension tubes, the driving device includes a motor installation tube fixedly connected with the extension mechanism, and a motor is fixed inside the end of the motor installation tube away from the fixed seat, and the motor and the control device Electrically connected, the rust remover is fixedly set on the output shaft of the motor; the rust remover includes a base fixedly set on the output shaft of the motor, and several miniature hydraulic cylinders are evenly fixed on the base. It is electrically connected with the control device, and a cutting head is fixedly arranged on the output end of each miniature hydraulic cylinder. The invention provides a rust remover for the inner wall of a steel pipe, which can completely remove rust without leaving any dead angle, and can be applied to steel pipes with different pipe diameters and different lengths.

The invention discloses a steel pipe inside and outside derusting process. The steel pipe inside and outside derusting process comprises the steps of (1) vibration, (2) inside derusting through a dedusting needle, (3) sand blasting derusting, and (4) impeller blasting. According to the steel pipe inside and outside derusting process, application is convenient, inside derusting and outside derusting can be combined, derusting is thorough, and the effects that the natural metal color of the inner and outer surfaces of a steel pipe is represented, and the steel pipe is attractive and elegant are achieved.

The invention discloses a steel surface rust removal method which comprises the following steps: S1, primary acid pickling: soaking steel subjected to oil removal treatment in a first acid pickling tank filled with an acid pickling solution A for primary acid pickling; washing the steel with clear water after soaking; and drying the steel for later use; S2, derusting and polishing: polishing the surface of the steel subjected to primary acid pickling treatment by using abrasive paper polishing equipment; specifically performing local derusting treatment on a seriously rusted part of the surface of the steel; cleaning rust slags generated by polishing on the surface of the steel after polishing; soaking the steel in a second pickling tank filled with a pickling solution B, and performing secondary pickling; washing the steel with clear water after soaking; and drying the steel for later use. The rust removal method has the beneficial effects that primary acid pickling, rust removal polishing, secondary acid pickling, sand blasting cleaning coarsening, rust remover soaking, rust removal detection and rust prevention protection are sequentially conducted, so that it can be guaranteedthat rust removal on the surface of the steel is comprehensive and thorough; rust removal missing of the steel is prevented, so that steel protection is more effective; the rust removal effect is verygood; and rust removal efficiency is improved.