73results about How to "Improve straightening accuracy" patented technology

The present invention provides a steel wire heat treatment and straightening composite working process and its equipment. Said process includes the following steps: making steel wire pass through an electric heating device with two electric contacts, heating steel wire to required heat-treatment temp., then making said steel wire pass through a control cooling device to coal it, finally, making the steel wire pass through a tension device to straighten said steel wire. Said invented equipment includes a tension device, and is characterized by that it also has an electric heater formed from two supporting frames, two electric contacts and a low-voltage high-current transformer, and a cooling control device which is placed in the rear end of the electric heater and equipped with spray pipe with several cooling fluid spray heads and valve.

The invention discloses a rectangular pipe straightener comprising a frame, a motor and a reducer. The motor and the reducer are fixed under the frame. Two parallel wall plates are arranged above the frame. A rectangular pipe straightening mechanism set is arranged between the wall plates and comprises carrier rollers and a plurality of compression rollers. The carrier rollers are arranged at the bottoms of the wall plates. The compression rollers are arranged on the lower portions of the tops of the wall plates. Clearances between the upper faces of the carrier rollers and the lower faces of the compression rollers form straightening passages to allow the rectangular pipes to pass. The motor drives the reducer to drive the carrier rollers to rotate, and meanwhile, a transmission mechanism is arranged between two carrier rollers and two compression rollers which are arranged at two ends of the rectangular pipe straightener mechanism. Each transmission mechanism drives the two compression rollers to rotate. The compression rollers are connected with the wall plates through bearing seats. Adjusting mechanisms are arranged between the wall plates and the bearing seats to drive the bearing seats to move vertically. The rectangular pipe straightener is convenient to operate and adjust, capable of straightening the rectangular pipes with different sizes and high in straightening accuracy.

The invention discloses a two-way straightening machine driven by a single power source and relates to steel processing equipment, aiming at solving the problem of inadequate straightening accuracy. The key point of the technical scheme includes: the two-way straightening machine driven by the single power source includes a vertical straightening mechanism, a horizontal straightening mechanism anda power mechanism. The vertical straightening mechanism includes a first workbench, a vertical mounting plate and a plurality of vertical power wheels. The vertical mounting plate corresponds to eachvertical power wheel which slips longitudinally and is connected with a vertical pressure wheel in rotation. The horizontal straightening mechanism includes a second workbench and a plurality of horizontal power wheels. The surface of the second workbench corresponds to each horizontal power wheel which slips horizontally and is connected with a horizontal pressure wheel in rotation. The power mechanism includes an alternating current motor, a horizontal gear transmission unit and a vertical gear transmission unit. The two-way straightening machine driven by the single power source effectively improves the straightening accuracy of steel, while ensuring the coordination of the two straightening mechanisms.

The invention discloses a stretch straightening machine and a stretch straightening method. The stretch straightening machine comprises a primary stretching device and a secondary stretching device, wherein the primary stretching device comprises a primary machine base and a guide rail supporting slide base arranged on the primary machine base, and a primary stretching chuck sliding with a single degree of freedom and a stretching oil cylinder for driving the primary stretching chuck to slide are arranged on the guide rail supporting slide base; slide rails which are matched with one another are arranged between the guide rail supporting sliding base and the primary stretching chuck; the secondary stretching device comprises a secondary machine base, and a secondary stretching chuck for clamping section bars is arranged on the secondary machine base; a first jaw and a second jaw for fixing the section bars are correspondingly arranged on the opposite side surfaces of the primary stretching chuck and the secondary stretching chuck; the primary stretching chuck further comprises a straightening channel which comprises a straightening clamping opening. The straightening machine and the straightening method disclosed by the invention can be used for performing pre-straightening and stretch straightening in sequence, thereby achieving a relatively good straightening effect and guaranteeing high precision; during the operation, only one ends of the section bars need to be put into the straightening machine, and thus the straightening machine is convenient to use.

The invention discloses a method for straightening a drill rod. The method comprises the following steps of: 1) detecting the initial bending modulus of the drill rod and axially and circumferentially positioning the drill rod needing straightening; 2) obtaining a straightening feeding amount in a computing device through a straightening mathematical model; 3) starting a feed cylinder of a pressure straightening machine to start feeding; 4) as the pressure of an oil inlet loop of the feed cylinder rises when a piercing head of the feed cylinder contacts the surface of the drill rod, when a pressure sensor detects a set value, feeding the set value to the computing device; 5) starting a displacement sensor by the computing device to start detecting the straightening feeding amount; 6) when detecting that the piercing head of the feed cylinder reaches the straightening feeding amount of the straightening mathematical model, rapidly returning the piercing head; and 7) ending automatic straightening control.

The invention discloses a centered guiding device of bars for a straightening machine. The centered guiding device comprises two bar limiting units symmetrically arranged on the two sides of a roll gap, wherein each bar limiting unit comprises a guiding plate door, a guiding strip, a guiding plate and two locking cylinders; the lower part of each of the guiding plate doors is rotatably connected with a straightening machine base through a rotating shaft; each of the guiding strips is blocked on the side part of the roll gap and is connected with each of the guiding plate doors through each ofthe guiding plates; the two locking cylinders are respectively positioned on the left side upper part and the right side upper part of each of the guiding plate doors; and cylinder bodies of the locking cylinders are supported on each of the guiding plate doors. According to the centered guiding device of the bars for the straightening machine disclosed by the invention, the guiding plate doors are pressed tightly by the cylinder bodies of the locking cylinders, and because the mass of the cylinder bodies is large, slight vibration is only produced when the guiding plate doors are impacted, sothat sealing of the locking cylinders is difficultly damaged; and therefore, oil leakage failure is reduced, the operation reliability of the centered guiding device is improved, the maintenance costof the equipment is reduced, and a normal operation of production is ensured.

The invention discloses a steel pipe roller straightening machine, comprising: a first straightening device used for straightening a steel pipe in a first direction; a second straightening device used for straightening a steel pipe in a second direction Straightening; adjustable supporting device, which is connected with the second straightening device, used to adjust the distance between the steel pipe conveying direction of the first straightening device and the steel pipe conveying direction of the second straightening device and the distance between the first direction and the second straightening device The angle between the directions. The steel pipe roller straightening machine of the invention has the advantages of no damage to the steel pipe surface, stable structure, high straightening precision, strong operability, and good mechanical properties.

The invention provides a hydraulic straightening platform which can straighten and align overlapped workpieces. A set of shape steel bottom beams which are arranged in a criss-cross mode and meet the requirement for the height difference, adjustable end socket columns, movable end socket bases, tilt angle detection devices, T-shaped movable centers, movable pushing and straightening columns, track idler wheels, abrasion resistance blocks, straight-movement oil cylinders and inclined-pushing oil cylinders are stably connected together through hinge pins and rib plates to form the hydraulic straightening platform. The two ends of each shape steel bottom beam are connected with the corresponding adjustable end socket column and the corresponding movable straightening end socket base respectively, the straight-movement oil cylinders and the inclined-pushing cylinders are simultaneously hinged to the straightening end socket bases, the track idler wheels and the tilt angle detection devices are simultaneously hinged to the piston rod ends of the straight-movement oil cylinders, the T-shaped movable centers are arranged on the adjustable end socket columns, and the piston rod end of the corresponding straight-movement oil cylinder and the piston rod end of the corresponding inclined-pushing oil cylinder are hinged to the two ends of each movable pushing and straightening column respectively.

The invention discloses a self-propelled automatic pressure straightening machine for a gantry. The self-propelled automatic pressure straightening machine for the gantry comprises a track steel beam; the two ends of the track steel beam are mounted on a base; the overall track steel beam passes through a gantry frame of a main machine; two mobile anvil beds and two mobile steel tilters both move inside the track steel beam; the two mobile anvil beds are mounted between the two mobile steel tilters; the main machine travels on steel rails; the steel rails are laid on a foundation; a straightness detection system is arranged close to the steel rails; the main machine is of a gantry type three-beam four-column structure; the main machine, the mobile anvil beds and the mobile steel tilters can all move so that more convenient and quicker steel tilting and straightening can be realized; meanwhile, the bending degree of a received material can be detected automatically, so the labor intensity of operation is alleviated, and the straightening precision of the equipment is improved; the self-propelled automatic pressure straightening machine is simple and compact in structure and has the advantages of reducing the floor area of the equipment and lowering the equipment investment.

The invention discloses an elbow pressing-straight device. The elbow pressing-straight device comprises a base (1), a left pressing-straight support (2), a right pressing-straight support (3), a pressing-straight support (4), a laser device (5) and a liner plate (6). The laser device (5) comprises a laser emitting device (501) and a laser receiving device (502). The surface, facing the laser receiving device (502), of the laser emitting device (501) is provided with at least three laser sources (503), and the lower surface of the liner plate (6) is provided with a plurality of horizontal balls. Compared with the prior art, the elbow pressing-straight device has the advantages of being simple in design, fast, convenient to use, high in precision and suitable for being popularized and used, and the steel pipe pressing-straight effect is detected through a laser beam.

The invention relates to the technical field of building construction, in particular to an intelligent rebar straightening device for building construction. The intelligent rebar straightening device comprises a straightening rod, a rebar straightening mechanism and a guide rod, wherein the rebar straightening mechanism comprises a plurality of groups of straightening device bodies and further comprises a control system; the control system controls the working states of the straightening device bodies according to the rebar bending position and comprises a controller, a detecting element and a mobile device; after detecting a rebar bending part, the detecting element sends a detecting signal to the controller; after receiving the detecting signal, the controller sends a signal for controlling the operating states of the straightening device bodies to the straightening device bodies and also sends a signal for controlling the operating state of the mobile device; and after straightening, the controller sends the signal for controlling the operating state of the mobile device to the mobile device. The intelligent rebar straightening device is simple in structure and convenient to use, adopts part of driving devices for driving according to the rebar bending part, is low in energy consumption, can automatically and rapidly straighten the rebar on a construction site, and is high in straightening precision and construction efficiency.

The invention relates to a reserved steel bar correction device and an application construction method thereof. The reserved steel bar correction device comprises an outer frame, a transverse beam, a sleeve, a first guide rail, a second guide rail, a limiting plate and at least two stretching parts. The outer frame comprises a first outer frame body and a second outer frame body. The sleeve penetrates the transverse beam, the first guide rail is arranged on the surface, close to the transverse beam, of the first outer frame body, and the transverse beam is connected with the first outer frame body through the first guide rail and slides along the first outer frame body. The limiting plate is vertical to a plane where the outer frame is located. The second guide rail is arranged on the surface, close to the limiting plate, of the second outer frame body, and the limiting plate is connected with the second outer frame body through the second guide rail and slides along the second outer frame body. The at least two stretching parts are located on the first outer frame body, one end of each stretching part is connected with the first outer frame body, and the other end of each stretching part is provided with a clamping plate in a hung manner. The reserved steel bar correction device is high in straightening accuracy and is good in straightening effect. According to the application construction method adopting the above reserved steel bar correction device, operation is simple, and the straightening effect is good.

The invention provides a welding strip adjusting device and a series welding machine, and relates to the technical field of battery manufacturing equipment. The welding strip adjusting device comprises a rack, a first adjusting mechanism, a second adjusting mechanism, a third adjusting mechanism and a shifting aligning mechanism, wherein the first adjusting mechanism, the second adjusting mechanism and the third adjusting mechanism are sequentially connected between the shifting aligning mechanism and the rack and are correspondingly used for adjusting the position of the shifting aligning mechanism relative to the rack, so that the position of the shifting aligning mechanism is corresponding to the position of a welding strip to be shifted and aligned; and the welding strip to be shiftedand aligned is shifted and aligned through the shifting and aligning mechanism. The series welding machine comprises the welding strip adjusting device and solves the problem that the end part of thewelding strip moves away from a target position and the series welding quality of a battery is influenced.

The invention discloses a minor-diameter round tube micro-scale flexible straightening method and device. The minor-diameter round tube micro-scale flexible straightening device comprises a base and a U-shaped limiting frame installed on the base through screws. An elastic mat, an interposed mat and a fixed twisting plate are sequentially arranged in a frame body of the limiting frame, the elastic mat is close to a back plate, the portions between two vertical plates and the interposed mat are each provided with a partition plate and a tube diameter limiting mat, the partition plates are close to the interposed mat, and a movable twisting plate is arranged between the two partition plates. The elastic mat, the interposed mat, the movable twisting plate, the partition plates, the tube diameter limiting mats and the vertical plates of the fixed twisting plate are connected with the back plate in a pre-tightened mode through a plurality of adjustment screws and a plurality of cylindrical pins. According to the minor-diameter round tube micro-scale flexible straightening method and device, in the straightening process, under the elastic pressure, a minor-diameter round tube blank is gradually straightened, the rolling diameter is accordingly decreased, a gap between the movable twisting plate and the fixed twisting plate is accordingly decreased, influences of a rigid gap on the straightening accuracy are effectively prevented, and the minor-diameter round tube micro-scale flexible straightening device is simple in structure, convenient to operate, high in straightening accuracy and low in cost.

The invention relates to a fully-automatic specially-shaped pipe straightening machine which comprises a workbench and a die pressing mechanism for straightening a specially-shaped material; the workbench is provided with movable supporting points, the movable supporting points transversely support a specially-shaped pipe, a plurality of laser detectors are arranged above the workbench, the laser detectors are used for detecting the interval with the specially-shaped material and transmitting the detected data to a control center, and accordingly the control center controls the die pressing mechanism to work on the bent portion of the specially-shaped material. According to the fully-automatic specially-shaped pipe straightening machine, the laser distance detectors which are quite high in precision are adopted for straightening in a matched mode, straightening is conducted while detection is conducted, straightening precision and efficiency are effectively improved, the automated degree is high, and work difficulty of workers is lowered.

The invention belongs to the technical field of metallurgical equipment, in particular to a tool-die steel plate straightening machine. A classic three-beam four-column prestress rack is used, and a roller system with four rollers at the top and five rollers at the bottom is arranged. Opening degrees of the four straightening rollers at the top can all be adjusted independently, all the top straightening rollers are provided with independent support rollers, and each top straightening roller and the corresponding support roller form an independent compound roller system to perform adjustment. Hydraulic load cylinders are arranged above an upper beam, a movable beam can be lifted rapidly while overload protection is achieved, and accordingly maintenance can be performed conveniently. According to the tool-die steel plate straightening machine, because the opening degrees of all the top straightening rollers can be adjusted independently, the opening degrees can be adjusted flexibly from small to large according to original bends, thickness, width and materials of plates, the rolling reduction of the top straightening rollers is changed from large to small, straightening accuracy is improved, and meanwhile the one-step forming rate of the plates is greatly improved.

The invention discloses straightening equipment which comprises a frame body, horizontal conveying devices, a clamping device and a straightening device, a platform is arranged on the frame body, the horizontal conveying devices, the clamping device and the straightening device are all arranged on the platform, the number of the horizontal conveying devices is two, the two horizontal conveying devices are arranged on the two sides of the clamping device, and the clamping device is arranged between the two horizontal conveying devices. The number of the clamping devices is two, and the two clamping devices are arranged on the two sides of the straightening device. The full-automatic precise straightening equipment can be used for full-automatic precise straightening of guide rails of different models, is systematized straightening equipment with transmission, detection, positioning and straightening functions, and is high in automation and intelligence degree, and meanwhile, the straightening efficiency and the straightening precision of the equipment are high; the multiple positioning blocks are arranged, so that deviation of the linear guide rail in the straightening process is avoided; the guide rail straightening span can be adjusted, and efficient and accurate straightening is achieved.

A rectifying device for large-sized unstable aluminium alloy sections comprises a symmetric arrangement roll system comprising 12 straightening rolls, the straightening rolls are connected with straightening roll full-transmission driving devices and are mounted in a combined rack in a top-bottom symmetric arrangement manner, upper ends of the straightening rolls are equipped with six upper roll press-down devices, four lower roll press-up devices are arranged at the lower ends of the straightening rolls, two ends of the rack are connected with a fixing support in a matched manner, the fixing support is connected with a foundation screw, the adjustment of the upper roll press-down devices and the lower roll press-up devices allow for the adjustment of roll gaps and inflection amount, the straightening roll full-transmission driving devices drive the straightening rolls to realize gripping and straightening of sections via the twelve straightening rolls and rectification of cross section of the can be realized through the symmetric straightening rolls. Straightening accuracy and section size accuracy of the existing sections can be increased, and scrap from instability and surface strain caused during straightening process can be avoided for large-sized irregular aluminium and aluminum alloy sections.