45results about How to "Improve pipe bending efficiency" patented technology

The invention discloses a pipe bending machine with a sliding chuck, which comprises a first fixing part, a second fixing part and a middle bending part. the first clamping jaw, the second fixing part includes a second rotating disc and a second clamping jaw fixed on the second rotating disc, and the middle bent part is placed between the first fixing part and the second fixing part , the first rotating disk and the second rotating disk are vertically arranged and the rear part of the disk body is movably connected with the upper end of a support rod, the lower part of the support rod is provided with a fixed seat, and the lower part of the fixed seat is provided with a Free sliding bottom rails. The pipe bending machine with the sliding chuck has a simple overall mechanism, is convenient for installation, manufacture and operation, can effectively improve the pipe bending quality and pipe bending efficiency of the pipe bending machine, and has high practicability.

The invention relates to the technical field of tube bending machines, in particular to a seamless steel tube bending machine. The seamless steel tube bending machine comprises a rack and two side wings arranged on the rack. A rotating block is rotationally connected between the side wings and detachably connected with a semicircular tube bending die. A tube bending groove matched with a seamless steel tube is formed in the circumferential face of the tube bending die. A drive mechanism is arranged on the rack. A supporting plate is arranged below the rotating block and provided with a supporting groove matched with the seamless steel tube. A clamping mechanism for clamping the seamless steel tube to the tube bending die is arranged on the rotating block. A sliding frame is arranged at the side of the side wings and is in sliding connection with a sliding block. A plug is arranged at one end of the seamless steel tube, and the other end of the seamless steel tube is communicated with a high-pressure air source. The seamless steel tube bending machine is simple in structure and convenient to use, the tube bending die is conveniently replaced, and the tube bending efficiency is high; and high-pressure air is introduced into the seamless steel tube, and therefore some steel tubes with the small wall thickness can be prevented from collapsing or wrinkling inside during tube bending, and the tube bending precision is high.

The invention relates to a pipe bending machine and belongs to the technical field of pipe bending device design. The pipe bending machine comprises a casing, a power switch, a motor, rotary shafts and grinding tools. The motor is arranged in the casing and connected with the rotary shafts through a transmission belt. Slots are formed in the casing, the rotary shafts stretch out of the casing through the slots, and the grinding tools are sleeved on portions of the rotary shafts, which stretch out of the casing. The pipe bending machine is characterized in that the rotary shaft comprises an upper rotary shaft, a lower left rotary shaft and a lower right rotary shaft; the grinding tools are arranged on the upper rotary shaft, the lower left rotary shaft and the lower right rotary shaft; a shifting groove is formed in the casing, the upper rotary shaft stretches out of the casing through the shifting groove, and the lower left rotary shaft and the lower right rotary shaft stretch out of the casing through the slots; a threaded press bar, a threaded hole and an effort-saving transmission apparatus are arranged at the top of the casing, the threaded press bar penetrates the threaded hole and presses on the upper rotary shaft through the effort-saving transmission apparatus, and a rotation handle is arranged on the threaded press bar. The pipe bending machine is reasonable and simple in structure, easy to manufacture and capable of reducing cost and improving production efficiency.

A fully automatic pipe bending machine, characterized in that the fully automatic pipe bending machine includes a pipe bending device, a clamping device and an automatic centering device, and the telescopic cylinder pushes the connecting rod and drives the adjusting rod so that the tip of the adjusting rod Press the clamping plate of the clamping part to force the clamping plate of the clamping part to clamp the workpiece. The operation is simple, fast, and the labor force is small, which reduces the labor cost and improves the bending efficiency. When centering, the centering cylinder drives a The optical axis on one side moves, and through the cooperation of the gear and the rack, the optical axis on the other side moves synchronously with it, and then drives the left and right slides on the side plates on both sides to be centered synchronously, and the centering position is accurate , High efficiency, completely replaces manual centering, saves time and effort, greatly improves the work efficiency of the pipe bending, and saves the pipe bending process. At the same time, the device is low in cost and saves production costs.

The invention discloses a mechanical device for group bending of pipes. The mechanical device for group bending of the pipes comprises a vehicle plate frame; a jacking cylinder is arranged in the middle of the vehicle plate frame and matched with a jacking head; the other end of the vehicle plate frame is detachably connected with a bottom plate frame; side plate frames are welded to the two sidesof the upper portion of the bottom plate frame; the tops of the side plate frames are connected with a top plate frame; an end plate frame is welded to one end of the top plate frame; a set of adjusting screw rods are connected to the side plate frames in a screwed mode; one end of each adjusting screw rod is in key connection with a hand wheel; the other ends of the adjusting screw rods are in rotating fit with an adjusting head through a bearing; the top plate frame is provided with a fixing cylinder matched with a fixing pressure head; and the end plate frame is provided with a downward pressing cylinder matched with a downward pressing head. The mechanical device for group bending of the pipes is convenient to move and is operated after being energized, simple and labor-saving operation is achieved, labor of workers is saved, the pipe bending efficiency is high, and the pipes can be bent in groups by the same angle.

The invention relates to a steel pipe bending device, which comprises a working platform rotationally supported on a platform upright post. The steel pipe bending device is characterized in that the platform upright post is sleeved with a pipe bending wheel of which the circumferential surface is provided with a groove; the pipe bending wheel is fixedly connected with the working platform; one side of the pipe bending wheel is provided with a clamping die holder with a clamping groove; the clamping die holder is driven to clamp a workpiece in cooperation with the pipe bending wheel through a lead screw; the lead screw is in threaded fit with a nut fixed on the working platform; a guide rod is arranged in the groove close to the pipe bending wheel; the guide rod is fixedly connected with a guide rod upright post; the guide rod upright post and the platform upright post are fixed in parallel on an anchoring part. The steel pipe bending device has the advantages of simple structure, low manufacturing cost, effective prevention of harmful deformation of steel pipes, high efficiency and easiness in controlling the molding angle.

The invention provides a super-large intelligent vertical hydraulic cold pipe bender comprising a bender body main frame as well as an upper mould, a lower mould, a clamping mould and a driving mechanism which are arranged on the bender body main frame. The super-large intelligent vertical hydraulic cold pipe bender is technically characterized in that the clamping mould, the upper mould and the lower mould are sequentially arranged along the length direction of a steel pipe, and a wedge block cylinder mechanism is arranged under a base of the clamping mould; the side wall of the outer side of the bender body main frame is provided with an intelligent console on which a liquid crystal touch display screen, an alarm, pressure gauges, a bending resultant force display instrument, a wedge block supporting force display instrument, an electronic receiver and a control mode switch are arranged; and each of two ends of the steel pipe is provided with an electronic emitter provided with a magnetic base, and inlets of bending cylinders are provided with pressure sensors. The super-large intelligent vertical hydraulic cold pipe bender is simple in processing technology and low in processing cost; and the difficulty of processing double curved surfaces on the upper mould is solved, and meanwhile, all steps for bending the pipe by using the pipe bender are finished once, so that the pipe bending process is programmed and intelligentized, the labor amount of a worker is reduced, and the pipe bending efficiency is increased.

The invention provides a pipe bending machine and relates to a metal pipe bending device. The pipe bending machine comprises a machine frame, an anti-shriveling plug and a clamp, wherein a lower supporting seat is arranged under the machine frame, an upper supporting seat is arranged above the lower supporting seat, a pipe bending wheel is arranged above one side of the machine frame, an arc-shaped groove is formed in the periphery of the pipe bending wheel, the pipe bending wheel is connected with a spindle, and the spindle is supported in the upper supporting seat and the lower supporting seat. The spindle is connected with a speed reducing device, and the speed reducing device is connected with a power device. A vertically-arranged rotating shaft is connected above the other side of the machine frame, a connecting rod is connected onto the rotating shaft, the other end of the connecting rod faces the pipe bending wheel, and a cushion block is arranged between the connecting rod and the machine frame. During pipe bending, a straight pipe firstly sleeves the end of the connecting rod, then the anti-shriveling plug is arranged in the straight pipe, then the straight pipe is put in the groove of the pipe bending wheel and fixed with the pipe bending wheel through the clamp, the power device is started to drive the spindle to rotate, and the pipe bending wheel is driven to rotate to bend the straight pipe to be semi-circular. The pipe bending machine is high in pipe bending efficiency and reduces the labor intensity of workers, and the pipe does not deform after being bent.

The invention belongs to the field of water conservancy and hydropower engineering, and provides an intermediate frequency hot bending method for a steel pipe. A special bending jig frame is adopted in the method, fulcrums at two ends support the steel pipe, the steel pipe is symmetrically heated by adopting two pieces of intermediate frequency induction heating system equipment, pressure is applied to the steel pipe in the middle by using a hydraulic jack mechanism, the inner arc of the steel pipe is heated and pressed, the steel of the pipe wall is shrunk and deformed, and a catenary arch axis of design requirement is formed by technical means. The method makes the field hot bending of the ultra-long big-diameter high-strength steel pipe possible, fills the international and national blank, and brings huge economic benefit; intermediate frequency pipe bending machine purchasing and reforming costs can be saved, a large amount of big member transport cost can be saved, the pipe bending efficiency can be improved, and the processing cost is reduced; and the adopted intermediate frequency heating reduces the performance influence on the parent metal of the steel pipe, and simultaneously solves the catenary hot bending problem that X70 pipeline steel is applied to a bridge engineering arch rib.

The invention belongs to the technical field of pipe bending equipment, and particularly discloses a pipe bending device. The pipe bending device comprises a base, wherein a supporting column and a stand column are arranged on the base, a clamp sleeve is arranged on the supporting column, and a transverse groove is formed in the clamp sleeve; a supporting roller and a scale ring are arranged on the stand column, and angle scales are engraved on the scale ring; a positioning block and a U-shaped clamping ferrule are arranged on the scale ring, a through hole and a nut which is fixedly connectedare arranged on the clamping ferrule, and a block is arranged on the positioning block; an ejector rod is arranged on the telescopic block, and the telescopic block pushes a second ejector rod to penetrate through the through hole when the telescopic block is pushed by the clamping ferrule; and a cross beam is arranged at the upper end of the stand column, a servo motor which is in sliding connection with the cross beam is arranged on the cross beam, a screw rod is arranged on an output shaft of the servo motor, and the screw rod is in threaded connection with the nut. The pipe bending deviceis mainly used for bending a steel pipe, and solves the problem that machining efficiency is reduced due to the fact that a clamped steel pipe needs to be manually released and then transferred afterpipe bending of the steel pipe is completed.

The invention relates to a clamping part for a fully automatic pipe bending machine. The clamping part includes a clamping part, a spring part and an expansion plate. Through three-point positioning, the accuracy of the installation position of the clamping part is ensured. The waist-shaped hole and the strip-shaped positioning groove are used together, and the gap between the guide strip and the guide strip groove can be adjusted flexibly on the strip-shaped direction of the positioning groove. The installation process of the clamping piece is very simple. , extremely convenient, in summary, the present invention has the characteristics of simple installation, simple structure, flexible adjustment, high installation precision, simple and fast operation, small labor force, low labor cost and high pipe bending efficiency.

A clamping device for a fully automatic pipe bender, which is characterized in that it includes a telescopic cylinder and a clamping part, and the clamping part is detachably connected to the panel of the pipe bender through a fixed structure. The structure of the invention is simple , the design is reasonable, the connecting rod is pushed by the telescopic cylinder, and the adjusting rod is driven, so that the tip of the adjusting rod is pressed against the pressure plate of the clamping part, forcing the splint of the clamping part to clamp the workpiece, the operation is simple and fast, the labor force is small and the reduction It reduces the labor cost and improves the bending efficiency. At the same time, through three-point positioning, the accuracy of the installation position of the clamping parts is guaranteed. The waist-shaped hole of the fixing hole and the strip-shaped positioning groove are used together. The clearance fit of the strip groove can make the clamping part flexibly adjust in the strip direction of the positioning groove, and the installation process of the clamping device is very simple and convenient.

The invention belongs to the technical field of pipe bending equipment, and particularly discloses a pipe bending device. The pipe bending device comprises a base, a first clamping plate, a second clamping plate, a stand column, a first supporting rod and a second supporting rod are arranged on the base, a transverse beam is arranged on the stand column and is provided with an air cylinder, a first inclined rod and a second inclined rod, a transverse plate and a transverse rod are arranged on a piston rod, a first pressing rod is arranged on the transverse plate, the two ends of the transverserod are provided with a first sliding block and a second sliding block which are in sliding connection with the transverse rod, and the first sliding block and the second sliding block are in slidingconnection with the first inclined rod and the second inclined rod correspondingly; and a first connecting rod and a second connecting rod are hinged to the first sliding block and the second slidingblock correspondingly, the end, far away from the first sliding block, of the first connecting rod is hinged to the first clamping plate, and the end, far away from the second sliding block, of the second connecting rod is hinged to the second clamping plate. The pipe bending device is mainly used for bending a steel pipe, and the problem that pipe clamping is not good in the pipe bending processis solved.

The invention relates to a soft pipeline installing device. The soft pipeline installing device comprises a handle and a gun pipe; the handle further comprises a holding part and a pressure applying part; an included angle is formed between the holding part and the gun pipe; the holding part and the gun pipe are connected through an arc-shaped rotating corner; the upper end of the pressure applying part is connected to the holding part in a pivoted manner; and the lower end of the pressure applying part rotates within the range of the axis of the gun pipe and the axis of the holding part. When the lower end of the pressure applying part rotates to the axis of the gun pipe, a soft pipeline stretches into the gun pipe along the lower end of the pressure applying part; when the lower end of the pressure applying part moves to the axis of the holding part, the soft pipeline is bent by the pressure applying part; and when the lower end of the pressure applying part is buckled with the holding part, the soft pipeline is clamped in a channel formed by the pressure applying part and the holding part. According to the soft pipeline installing device, by rotating the pressure applying part, pipe bending operation of the soft pipeline can be easily performed, the pipe bending difficulty is greatly reduced, the bent soft pipeline can be hidden in the channel formed by the holding part and the pressure applying part, deformation of the soft pipeline is avoided, and the pipe bending effect is improved.

The invention provides a pipe bender and a control method thereof. The pipe bender comprises a feeder, a supporting arm and a pipe bending device, wherein a positioning structure for positioning a pipe to be bent is arranged on the feeder; the supporting arm is movably arranged in the horizontal direction along the height of the feeder; the pipe bending device is arranged on the supporting arm, and comprises a mounting base, a clamp assembly, a left profiling assembly and a right profiling assembly; the clamp assembly is provided with a clamping portion for clamping the pipe; the clamp assembly is rotatably mounted on the mounting base; the left profiling assembly is provided with a first pipe bending position against the clamp assembly and a first idle position far away from the clamp assembly; the right profiling assembly is provided with a second pipe bending position against the clamp assembly and a second idle position far away from the clamp assembly. The pipe bender is capable of mutually bending the pipe left and right; compared with the existing commercial pipe bending device, the pipe bender is lower in cost, and the pipe bending efficiency of the pipe bender can be improved more favorably.

The invention relates to a clamping piece for a full-automatic pipe bending machine. The clamping piece for the full-automatic pipe bending machine comprises a clamping part, a spring part and a telescopic plate. The precision of the installation position of the clamping piece is ensured through three-point positioning. A kidney-shaped hole shown by a fixing hole and a bar-shaped positioning groove are used in a matched manner. A guiding bar and a guiding bar groove are in clearance fit. The clamping piece can be flexibly adjusted in the bar-shaped direction shown by the positioning groove. The installation process of the clamping piece is very simple and extremely convenient. In conclusion, the clamping piece has the characteristics that installation is easy, the structure is simple, adjustment is flexible, installation precision is high, operation is easy and fast, labor force is small, labor cost is low, and the pipe bending efficiency is high.