39results about How to "Precise bending" patented technology

The utility model belongs to the technical field of steel bar bending, and particularly relates to steel bar bending equipment which comprises a workbench. Supporting columns are welded to the four corners of the bottom of the workbench correspondingly, a positioning column and a blocking column are installed on the top of the workbench correspondingly, the positioning column is sleeved with a rotating frame, the positioning column is in sliding connection with the rotating frame, a gear ring is fixedly connected to the circumferential face of the rotating frame, and a motor is installed on the workbench. The output end of the motor is rotationally provided with a gear through a rotating shaft in a matched mode, the gear is meshed with the gear ring, the bottom of the rotating frame is fixedly connected with a first electrode plate, the workbench is fixedly connected with an arc-shaped plate, the arc-shaped plate is arranged below the bottom of the rotating frame, and the arc-shaped plate is provided with a track. When the steel bar bending device is used, by arranging the trigger mechanism, a worker can be reminded to stop bending the steel bar in time, so that the steel bar can be bent to an accurate angle, and the steel bar bending accuracy of the steel bar bending device is improved.

The utility model belongs to the technical field of reinforcing steel bar processing, and particularly relates to a reinforcing steel bar bending machine which comprises a workbench and a reinforcing steel bar body. Supporting legs are installed on the periphery of the bottom side of the workbench, a controller is arranged on the top side of the workbench, a first sliding groove is formed in the top side of the workbench, a bending assembly is arranged in the first sliding groove, a second positioning plate is fixed to the top side of the workbench, and a clamping plate is fixed to one side of the second positioning plate. Two second sliding grooves are formed in the workbench, and positioning assemblies are arranged in the second sliding grooves. According to the structural design of the bending assembly, a first servo motor can be started through a controller, a straight gear drives a bending wheel to bend a fixed reinforcing steel bar body through movement of a first sliding block in a first sliding groove under rotation of an arc-shaped gear ring, a worker can achieve accurate bending of the reinforcing steel bar body through an angle ruler, and the working efficiency is improved. The bending efficiency of the steel bar body is improved, and the bending error is reduced.

The utility model discloses an acrylic panel bending table which comprises a machine frame, a bending mechanism is arranged in the middle of the machine frame, the bending mechanism comprises a fixing plate, a rotating shaft, a rotating arm, a rotating frame, a rack, a bending plate, a servo motor and a gear, the gear is meshed with the rack, a cooling mechanism is arranged on one side of the machine frame, and the cooling mechanism is arranged on the other side of the machine frame. A feeding mechanism is arranged above the rack, and a fixing mechanism is arranged on one side of the bending mechanism. A servo motor drives a rack to rotate through a gear, the rack drives a rotating shaft to rotate through a rotating frame, the rotating shaft drives a bending plate to rotate through a rotating arm, and manual bending is replaced, so that accurate bending of an acrylic panel is achieved, and a semiconductor chilling plate cools air at the tail of an air duct; and the motor blows cold air in the air duct to the surface of the acrylic panel, the bent acrylic panel is cooled in time, and the bending efficiency of the acrylic panel is guaranteed.

The application relates to the technical field of sheet metal processing equipment, and discloses a sheet metal bending machine with precise positioning function, which comprises a workbench, a first cavity and a second cavity are arranged in the workbench, the first cavity is located on the left side of the second cavity, the first cavity and the second cavity are in communication, an adjusting mechanism and a bidirectional mechanism are arranged in the first cavity; a vertical plate is fixedly installed on the right side of the top of the workbench, a horizontal plate is fixedly installed on the top of the left side of the vertical plate, a bending mechanism is arranged on the horizontal plate, a first seat hole and two second seat holes are arranged on the top of the workbench, the two second seat holes are respectively located on the front side and the rear side of the first seat hole, and a clamping seat is slidably installed on the top of the workbench. The sheet metal bending machine has the following advantages and effects: the first clamping mechanism and the second clamping mechanism are arranged, the sheet metal workpiece clamping stability can be improved, and the sheet metal workpiece can be prevented from being deviated during the bending process, so that the bending quality is affected.

The utility model discloses an iron wire deformation device, and relates to the technical field of automobiles and accessories thereof. The device comprises a base, a bending assembly and a straightening table are arranged on the two sides of the top of the base respectively, and a cutting assembly is further arranged above the straightening table; a bending table in the bending assembly is fixedly connected to the right side of the top of the base, a rotating shaft is rotationally connected to the center position in the bending table, the upper portion and the lower portion of the outer wall of the rotating shaft are sleeved with a rotating plate and a first synchronous wheel correspondingly, and a bending rod is welded to one side of the upper surface of the rotating plate. The position of a baffle on a bending table is fixed through a positioning bolt in the bending assembly, bending of an iron wire is limited through the baffle, a cutter is driven to move in the transverse direction through an L-shaped arm and a mounting frame in the cutting assembly, redundant parts of the iron wire are cut through a hydraulic push rod and the cutter, and the cutting efficiency is improved. The problems that in the prior art, the bending angle of an iron wire cannot be accurately controlled conveniently, and the redundant part of the iron wire cannot be cut conveniently are solved.

The invention provides a battery tab bending machine and a battery tab bending method.The battery tab bending machine comprises a supporting platform, a conveying assembly, a first bending assembly and a second bending assembly. The conveying structure comprises a conveying belt and a working platform deck. The first bending assembly comprises a first bending structure and a first limiting structure. The second bending assembly comprises a second bending structure and a second limiting structure, the second bending structure comprises a second mounting base, a second rotating air cylinder, a second rotating shaft, a second rotating pressing plate and a pressing head air cylinder, the second mounting base is arranged on the supporting platform, the second rotating air cylinder is arranged on the second mounting base, and the second rotating shaft is connected with the second rotating air cylinder; the second rotating pressing plate is arranged on the second rotating shaft, and the pressing head air cylinder is matched with the second rotating pressing plate. According to the technical scheme, the problem that in the prior art, when the battery tab is bent, the bending precision is low is effectively solved.

The invention provides a piezoelectric ceramic-based reflecting mirror bending system capable of being monitored and adjusted on line, which comprises a reflecting mirror supporting mechanism, a piezoelectric ceramic clamping and adjusting mechanism and a laser interferometer supporting and moving mechanism, and is characterized in that the reflecting mirror supporting mechanism comprises a restraining assembly for restraining a reflecting mirror; the piezoelectric ceramic clamping and adjusting mechanism comprises a first fixing part, a second fixing part and piezoelectric ceramic adjusting assemblies, the first fixing part and the second fixing part are arranged above and below the reflecting mirror respectively, and the piezoelectric ceramic adjusting assemblies are arranged on the first fixing part and / or the second fixing part and used for bending the reflecting mirror. The laser interferometer supporting and moving mechanism is used for obtaining the real-time bending radius of the reflecting mirror, and the piezoelectric ceramic adjusting assemblies adjust the real-time bending radius of the reflecting mirror on line till the real-time bending radius reaches the target bending radius. According to the invention, the difficulty of online adjustment of the piezoelectric reflector is reduced, and accurate bending of the reflector can be realized.

The utility model discloses a keyboard bottom plate bending and positioning mechanism. The keyboard bottom plate bending and positioning mechanism comprises a workbench, a limiting seat is arranged on the workbench, the limiting seat comprises a limiting table, a containing groove is formed in the limiting table, an adjusting assembly is arranged at one end of the containing groove and comprises a fixing seat, a driving motor is arranged in the fixing seat, the driving motor is connected with a positive and negative tooth lead screw, and the positive and negative tooth lead screw is connected with the limiting table. A movable seat is arranged on the positive and negative tooth screw rod, one end of the movable seat is connected with a clamping plate, a pressing assembly is arranged on the fixed seat, the pressing assembly comprises the movable seat, and a pressing block is arranged at the lower end of the movable seat. According to the keyboard bottom plate bending device, through the arranged adjusting assembly, automatic straightening of the keyboard bottom plate is achieved, the clamping plate is driven by the driving motor to move left and right, angle deviation of the keyboard bottom plate is avoided, the keyboard bottom plate can be accurately positioned and clamped through the clamping plate driven by the motor, and the accuracy in the bending process can be guaranteed.

A guide rail bending device, comprising an arc adjusting mechanism, a supporting mechanism and a bending mechanism, the arc adjusting mechanism comprises a first connecting seat and a plurality of arc adjusting components arranged on the first connecting seat, the plurality of arc adjusting components are transversely arranged and have a height difference between upper and lower portions to form a bending arc required by the guide rail; the supporting mechanism comprises a supporting component and a pressing piece, two ends of the supporting component are respectively hinged to the first connecting seat and the pressing piece; the bending mechanism comprises a bending component and a placing rack for placing the guide rail, the bending component is used to drive the placing rack to move vertically to abut against the pressing piece, and the guide rail on the placing rack is bent and deformed under the action of the plurality of arc adjusting components. In the present application, the pressing piece in the supporting mechanism can effectively protect the guide rail during the guide rail bending process, avoid direct contact between the guide rail and the arc adjusting components, effectively prevent the abrasion between the guide rail and the supporting structure, prolong the service life of the guide rail and ensure the processing quality of the guide rail.

The invention relates to the technical field of pipe bending, in particular to a pipe bending mechanism for overhauling a steam turbine of a thermal power plant, which comprises a workbench, a clamping assembly, a center assembly and a bending assembly are sequentially arranged on the workbench along the length direction of the workbench, one end of a to-be-bent pipe is clamped on the clamping assembly, and the other end of the to-be-bent pipe penetrates through the center assembly and is arranged on the bending assembly. Wherein the bending center of the pipe fitting corresponds to the center assembly; by means of the clamping assembly, the bending assembly and the center assembly which are ingenious in structure, accurate clamping and bending of pipe fittings with different diameters are achieved, it is ensured that the bending center position of the pipe fittings is accurate, and the situation that the bending center deviates due to sliding of the pipe fittings in the bending process is prevented; according to the clamping assembly, the penetrating pipe with the adjustable diameter and the clamping sliding rails on the two sides are adopted and matched with the arc-shaped clamping plates, it can be guaranteed that the pipe fitting is stably fixed in the bending operation process, meanwhile, the double-shaft lead screw and the synchronous part are arranged, synchronous movement between the two clamping parts is achieved, and it is guaranteed that the two ends of the pipe fitting are clamped at the same time and synchronously.

The present invention relates to the technical field of reinforcing plate stamping, and in particular to a stamping and shaping fixture for automobile support reinforcing plates. It comprises a base plate; it also comprises a distance adjusting device, wherein two distance adjusting devices are provided and symmetrically connected to the front and rear side walls of the base plate, and the distance adjusting device comprises a rectangular plate installed on the side wall of the base plate, and a sliding frame is provided on the surface of the rectangular plate, and a positioning mechanism is connected to the sliding frame. The present invention realizes the bending and forming of the support reinforcing plate by cooperating with a stamping device and a supporting device, and realizes the shaping of the bent support reinforcing plate by cooperating with a stamping device and a shaping mechanism, thereby ensuring that the support reinforcing plate is accurately bent into a desired shape, and improving the bending effect of the support reinforcing plate.

The utility model relates to a welding strip bending device of a photovoltaic series welding machine. The welding strip bending device is provided with a working platform and a rack, a lower pressing block is arranged on the working platform, a hydraulic cylinder is arranged on the machine frame, an upper pressing block is fixedly arranged at the telescopic end of the hydraulic cylinder, pressing steps are arranged on the upper pressing block and the lower pressing block, pressing blocks are arranged on the pressing steps, a cutter is arranged on the side edge of the upper pressing block, and a side edge pressing block is fixedly arranged on the side edge of the lower pressing block. A cutter withdrawal groove corresponding to the cutter is formed in the side edge pressing block, an adjusting assembly is arranged on the upper pressing block and / or the lower pressing block, the adjusting assembly comprises an adjusting inner cavity, an adjusting screw rod, an adjusting part, an adjusting sliding block, an adjusting screw hole and a plurality of connecting rods, and the distance between the pressing blocks is adjusted through horizontal movement. The upper pressing block is driven by the hydraulic cylinder to press and bend the welding strip extending between the upper pressing block and the lower pressing block, and the upper pressing block cuts off the welding strip along with downward pressing of the upper pressing block on a cutter for pressing and bending the welding strip. The device is ingenious in structure, convenient and practical.

The invention relates to the technical field of bending equipment, and discloses aero-engine fuel guide pipe bending equipment which comprises a main body mechanism which comprises a working table and a bending assembly arranged at one end of the working table. The auxiliary mechanism comprises a moving assembly arranged on the top of the workbench and a clamping assembly arranged on the top of the moving assembly. Through the synergistic effect of the moving assembly, the clamping assembly, the rotating assembly and the bending assembly, automatic feeding, precise clamping, multi-angle positioning and precise bending of the aero-engine fuel guide pipe are achieved, and the production and machining precision of the guide pipe is greatly improved; according to the guide assembly, shaking, instability and pipe wall wrinkling of a guide pipe in the bending process are effectively prevented through an adjustable supporting wheel structure, the bending forming quality is guaranteed, the power assembly and the moving assembly are cooperatively driven, auxiliary power is provided for guide pipe feeding, and the machining precision under the conditions of long guide pipes and multiple elbows is remarkably improved.

The invention provides sheet bending equipment. The sheet bending equipment comprises a conveying module, a folding knife module and a pushing and pressing module, the conveying module comprises a conveying part which bears a plate sheet to move along a first direction. The folding knife module comprises a folding knife piece which moves along the first direction along the sheet and is arranged on one side of the conveying piece, and the folding knife piece is provided with a cutting edge part. The pushing and pressing module comprises a pushing and pressing piece which is arranged adjacent to the folding knife module, and the angle between the pushing and pressing piece and the conveying piece is gradually increased from front to back in the moving direction of the plate sheet. The plate sheet moving in the first direction interferes with the pushing and pressing piece, so that the plate sheet is bent at the cutting edge part, the cutting edge part can form an inclined angle relative to the first direction in a second direction, the cutting edge part is gradually close to the conveying module in the moving direction of the plate sheet, and the second direction is perpendicular to the first direction.

The application relates to a power component taking-out and discharging mechanism, which comprises a rack, a conveying mechanism, a pin leg bending mechanism and a taking-out mechanism arranged on the rack. The conveying mechanism comprises at least two groups of conveying components capable of reversing the power components. The pin leg bending mechanism can complete pin leg bending in at least one conveying area. The taking-out mechanism can take out the power components on a carrier and then transfer the power components to the next work station. The conveying mechanism with different transfer surfaces in the same specified area can realize the conversion of the transfer direction of the power components in a relatively limited space, so that the equipment has good space utilization, and the whole equipment has higher production efficiency and better stability compared with the traditional power component production equipment.

The utility model relates to a flexible circuit board connecting part bending life detection device comprising a supporting bottom plate, a push plate is slidably arranged on one side above the supporting bottom plate, a supporting plate is fixedly arranged on the other side above the supporting bottom plate, and a first plugging groove and a second plugging groove are arranged on the surface of the upper end of the supporting plate. A sliding plate is arranged on the side, away from the first inserting groove and the second inserting groove, of the lower end of the push plate, and a mechanical recorder is arranged between the push plate and the supporting plate. According to the flexible circuit board connecting part bending life detection equipment, the push plate is manually pushed to move towards one side of the flexible circuit board and is pressed, and the flexible circuit board is bent on the surface of the supporting plate based on the flexibility of the flexible circuit board and the supporting of the surface of the supporting plate, so that the bending operation of the flexible circuit board is achieved; the pressing cambered surface has a certain radian, so that the pressing cambered surface is more attached to the palm of a person, and the pressing cambered surface is more comfortable to use.

The utility model discloses a bending device for clothing back buckle production, and relates to the technical field of clothing accessory production, in particular to the bending device for clothing back buckle production, which comprises a support mechanism, four support mechanisms are fixedly connected to the outer side of the support mechanism, and the support mechanisms are arranged on the outer side of the support mechanism. When the stamping push rod is pressed downwards, mechanical motion is converted into pneumatic power through linkage of the guide rod assembly and the piston plate, reverse blowing and energy consumption reduction can be achieved without an extra air source, the four support mechanisms and the supporting mechanism form a rigid frame, stamping vibration is reduced, and the stamping efficiency is improved. And in addition, the device is simple in structure, free of tools in the die changing process, suitable for production of back buckles of multiple specifications, and capable of reducing the downtime, and automatic blanking is achieved in combination with pneumatic automatic blanking.

The invention discloses a steel plate multi-angle bending device which comprises a machining table, a vertical frame is fixedly installed on the top face of the machining table, a control panel and a machining assembly arranged below the control panel are fixedly installed on the top face of the vertical frame, and the machining assembly comprises a positioning assembly arranged above the machining table. A steel plate is placed on the top face of the machining table, in order to improve the bending effect, the bending portion of the steel plate needs to be accurately positioned and limited, deviation of the bending portion is avoided, at the moment, opposite threaded rods are rotated, and due to the fact that a limiting plate fixedly installed at the end of a push plate and the interior of a vertical frame are arranged in a sliding mode, the limiting plate is limited; the rotating opposite threaded rod drives the two sleeve blocks arranged on the outer wall of the opposite threaded rod in a sleeving mode to move reversely, due to the fact that the end of the connecting plate is hinged to the sleeve blocks and the top face of the push plate, the sleeve blocks push the push plate downwards through the connecting plate under limitation, the positioning plate fixedly installed at the bottom of the push plate presses the steel plate, and the pressing position of the positioning plate is the position needing to be bent.

The utility model discloses a bus bending machine, which is characterized in that a plurality of brackets and L-shaped frames are arranged on a support frame of the bus bending machine, so that the space is effectively utilized, the whole equipment is compact in structure, the space is saved in a factory or a production line, the production efficiency is improved, the whole production process is accelerated, and the production cost is reduced. According to the bus bending machine, extra power is provided for the bus bending machine through the auxiliary motor fixed to the inner side, the bending process can be accelerated, the production efficiency can be improved, automatic operation of the bus bending machine is achieved through combination of the rack, the air cylinder and the transmission gear, the rack and the air cylinder work cooperatively, the bending process is more accurate, and the production efficiency is improved. According to the bus bending machine, due to the design of the movable bending wheel and the fixed bending wheel, a bus is more stable in the bending process, a semi-ring groove of the movable bending wheel is matched with an annular groove of the fixed bending wheel, it is ensured that the bending angle of the bus is consistent, and the bending precision is improved.

The utility model relates to the field of automobile part machining, in particular to an automobile part rolling machining device. Comprising a base and a workpiece, the base is detachably connected with a plurality of mounting plates, the mounting plates are rotationally connected with a first roller set, a second roller set and a third roller set, the first roller set, the second roller set and the third roller set are matched with the workpiece, and the first roller set is used for pre-bending the two sides of the workpiece; the second roller set and the third roller set are used for further bending the workpiece, the mounting plate is rotationally connected with a first forming roller and a second forming roller, the first forming roller and the second forming roller are used for pre-bending the middle of the workpiece, the mounting plate is rotationally connected with a side pressing roller set, and the side pressing roller set is used for extruding the two sides of the workpiece. By the adoption of the bending device, a workpiece can be accurately bent step by step, and the size precision and the shape precision of a product are improved.

The invention discloses a device for preparing an MPP pipe bending part through extrusion forming, and relates to the technical field of pipe machining, the device comprises a machining table, sliding seats are symmetrically and slidably connected to the top of the machining table, a bearing table is rotatably connected to the tops of the sliding seats, a bearing seat is slidably connected to the top of the bearing table, and an embedding head is fixedly connected to the interior of the bearing seat; according to the device, the air expansion sealing rings on the outer side of the embedded head are tightly attached to the inner wall of the pipe, effective sealing of the two ends of the pipe is achieved, meanwhile, when the pipe is heated and softened by hot air, stable air pressure is formed in the pipe, and the pipe is heated and softened by the hot air; the air pressure not only is beneficial to keeping the roundness of the pipe and preventing local depression in the bending process, but also ensures that the pipe can be uniformly stressed in the bending process, and the deformation risk is reduced.

The invention discloses a vulcanization pipe bending device for rubber sleeve cable extrusion and an operation method of the vulcanization pipe bending device. The vulcanization pipe bending device comprises a heat preservation assembly, a heating conduction assembly, a pipe bending assembly, a vulcanization pipe and a PLC control system. The device can effectively improve the bending uniformity and consistency of each point position of the vulcanized pipe, realizes the accurate bending and shaping effects of the vulcanized pipe, and can measure and calculate the vertical displacement of a plurality of point positions relative to the center line according to the bending angle of the vulcanized pipe, thereby meeting the process requirement of the bending deformation quantity of the vulcanized pipe; compared with a bending mode of a traditional rubber sleeve cable vulcanized pipe, the method adopts a mode of combining hot-state bending and cold-state bending, hot-state processing is firstly performed for preliminary forming, the hardness is reduced by utilizing the plasticity of the rubber sleeve cable vulcanized pipe, then cold-state processing is performed for accurate forming, and therefore the problems of cracks and the like of materials are avoided; by means of the operation method of the device, it is guaranteed that deformation of the vulcanized pipe is uniform in the whole bending deformation process, product quality is guaranteed, and the technological requirement for the bending deformation quantity of the vulcanized pipe is met.

The invention provides a positioning bending mechanism with a scale and a segmented bending device for a spine orthopedic rod, belongs to the technical field of surgical medical instruments, is used for pre-bending the spine orthopedic rod before an operation, and comprises a base component, a fixed clamping component, a sliding clamping component, a positioning carriage component and a rotary cylinder component, according to the core working principle, the longitudinal position of a bending point is determined through a linear sliding rail and a side ruler of the linear sliding rail, a bending plane is set through an angle adjusting ruler of a rotating cylinder assembly, and the bending displacement amount is preset and monitored in real time through a displacement measuring instrument installed on an adjusting rotating cylinder; during operation, the bending bolt is screwed to push the bending clamping seat to apply pressure to the orthopedic rod until the deformation of the orthopedic rod reaches a preset value; according to the device, preoperative three-dimensional planning is converted into quantifiable operation in three dimensions of linearity, angle and displacement, closed-loop control from measurement positioning to accurate bending is achieved, and the accuracy, efficiency and repeatability of orthopedic rod forming are remarkably improved.

The utility model relates to the technical field of wiring harness processing provides a connector wiring harness three -dimensional forming processing platform, including processing frame, rotating device, bending device, fixing device and guiding device, rotating device sets up on processing frame, bending device with fixing device all set up on rotating device, guiding device sets up in processing frame middle position, bending device adopts the mode that first motor drives first gear and second gear meshing drive, drives the rotation of guide ring and bender, and this gear drive structure has the characteristics of stable transmission ratio, high accuracy, can accurately control the rotation angle and position of bender, at the same time, rotating device provides the multi -angle adjustment in horizontal plane, and bending device realizes the accurate bending of multidimension, and the cooperation of both can make connector wiring harness in three -dimensional space all -round forming processing.

The invention relates to the technical field of puncture in the interventional department, and provides an intelligent depth-adjustable puncture device for the interventional department, which comprises a universal flexible arm, and one end of the universal flexible arm is provided with a fixed seat connected with external equipment and an angle adjusting assembly. The angle adjusting assembly is installed at the other end of the universal flexible arm through a connecting frame, the puncture assembly is arranged on the angle adjusting assembly, through the arrangement of the structures such as the multi-section flexible arm and the transmission line, the multi-section flexible arm is composed of a plurality of hinged joint units, and the transmission line is connected with the multi-section flexible arm. The transmission lines are symmetrically arranged on the two sides of the arm body and connected to the tail end joint, the retracting and releasing amount is accurately controlled through the first power end and the second power end, the arm body is accurately bent in a three-dimensional space, it is ensured that an end effector stably reaches a preset target spot area, the problem of path deviation caused by the fact that the bending direction of a traditional flexible pipe is uncontrollable is solved, and the bending efficiency is improved. The problems of easy deviation and insufficient stability in the prior art are solved.

The invention discloses a bending forming method of a grid conical wallboard, which comprises the following steps: S1, calculating an unfolded blank, and adding process allowance on the periphery to form an unfolded shape of a part; s2, machining a grid and a peripheral process table to form a part unfolding semi-finished product; s3, designing and manufacturing a lineation sample plate and a profile detection sample plate; s4, lineation is conducted at the large end and the small end of the unfolded semi-finished product of the part through the lineation sample plate, and bending is conducted along lineation; s5, timely detecting the sample plate by using a molded surface in the bending process; and S6, shaping according to a sample plate detection result. The bending machine is used for forming, and the equipment requirement and cost are reduced; different sample plates are designed, and the bending line and the pressing amount are adjusted, so that the forming requirements of the grid conical wall plates with different tapers can be met; process allowance is added around the unfolded blank, material use is optimized, and meanwhile it is ensured that accurate bending is conducted according to a lineation sample plate; a special sample plate is adopted for scribing and radian detection, and the bending forming precision of the grid conical wall plate is improved.

The utility model discloses a missile shell bending mechanism, including fixed base, both sides of fixed base top all are welded with the bearing plate, the top of bearing plate is welded with the fixed plate, the top bolted connection of fixed plate has the cylinder, the bottom bolted connection of cylinder has the sliding plate, the bottom bolted connection of sliding plate has the bending plate, the top welding of fixed base has the placement platform, the surface of placement platform is provided with the recess, one side swing joint of placement platform has hand shake to hold, one side welding of hand shake to hold has the threaded rod, one side screw thread connection of threaded rod has the threaded bushing, both sides of threaded bushing all bolted connection has the sliding plate, apply in the technical field of missile shell processing, the utility model discloses a hand shake to hold, threaded bushing, threaded rod, sliding plate, push board and adjusting plate, can effectively adjust the caliber of recess, can carry out bending processing to the size demand of different shell, thereby has improved the processing efficiency.

The invention discloses a waterproof construction method for a large hole of a colored profiled steel sheet roof, and relates to the technical field of building construction, and the waterproof construction method comprises the following steps: S1, blocking the hole in the middle of a large steel member by using a steel plate; s2, side face waterproof plates are welded to the left side and the right side of the large steel component through welding equipment; s3, an upper waterproof plate and a lower waterproof plate are arranged at the upper end and the lower end of the large steel component through steel plates; s4, a colored profiled steel sheet is transversely laid between the upper portion of the large steel component and the ridge; and S5, flat color plates are used for lap joint treatment between the ridge and the transversely-laid colored profiled steel plates for waterproofing, construction is safe, particularly, the waterproof construction method that the transversely-laid colored profiled steel plates are additionally arranged and reasonably connected in a lap joint mode is adopted, rainwater on the upper portion of the large-scale hole is divided, and the construction efficiency is improved. The problem of water leakage caused by the fact that the colored profiled steel sheet and the steel member cannot be welded is effectively solved, the waterproof effect is good, and the adopted transversely-laid colored profiled steel sheet is light in weight, low in cost and convenient to construct.

The utility model discloses two in one manual bending die belongs to metal sheet or bar processing technical field. The die includes bottom plate and rotatably connected bending handle of bottom plate, it still includes the multipurpose mould component and universal mould component of mutually replaceable installation on bottom plate. The multipurpose mould component includes mould main plate, the high bending sliding block of slidable setting on mould main plate and a variety of replaceable installation mould core, the universal mould component includes the flat bottom bending sliding block of slidable setting on bottom plate and universal mould core. The sliding block in two components is all with bending handle transmission connection. The utility model integrates two different replaceable components of function through on the same base platform, has solved the bending tool function single, the problem of poor commonality in the prior art, has the beneficial effect of one machine multi -functional, compact structure, wide application range, flexible and high precision processing.

The present invention discloses an automatic bending device for a thin soft board, including a carrier and a bending device, wherein the carrier has a carrier body, the upper side of the carrier body is a receiving side for placing the thin soft board, a plurality of positioning pins are positioned and installed on the receiving side, and the plurality of positioning pins can be freely inserted into a plurality of positioning holes on the thin soft board respectively, and a cover plate for pressing the thin soft board is hinged on the receiving side, and a plurality of hollow parts for exposing the part to be bent on the thin soft board are also provided on the cover plate; the bending device has a plurality of rollers arranged side by side, and the plurality of rollers are arranged above the receiving side and can move toward the receiving side so that the plurality of rollers are respectively close to the bottom of the plurality of parts to be bent on the thin soft board; the plurality of rollers can also be respectively moved in the horizontal direction to realize flattening the plurality of parts to be bent. The automatic bending device for a thin soft board has a simple and reasonable structure, a high degree of intelligence, high processing accuracy, and high processing efficiency.