45results about How to "Bending stability" patented technology

The invention provides an edge shearing device and a battery production system.The edge shearing device comprises a cutting mechanism, a moving mechanism and a positioning mechanism, the positioning mechanism is used for fixing a battery monomer, and the cutting mechanism is used for machining a notch in the edge of an insulating film, stretching out of a shell, in the battery monomer; the cutting mechanism is connected to the moving mechanism which can drive the cutting mechanism to be close to or away from the edge of the insulating film. In the structure, the moving mechanism can drive the cutting mechanism to be close to or far away from the edge of the insulating film of the battery monomer fixed by the positioning mechanism, so that the cutting mechanism can process the notch on the edge of the insulating film extending out of the shell, and the insulating film extending out of the shell can be segmented, can be smoothly bent and is not easy to warp; the insulating film can be stably adhered to the surface of the shell of the battery monomer, so that the insulating property of the battery monomer is stable, and the reliability of the battery monomer is improved.

A display device for a vehicle according to an embodiment of the present invention comprises: a base; a flexible display; the upper plate is connected to the upper part of the flexible display; the lower plate is connected to the lower part of the flexible display; the supporting rod is arranged on the front surface of the flexible display; a lifting drive source that lifts and lowers the upper plate; the linkage device is connected to the upper plate, the lower plate and the base; and a guide that guides the support bar.

The utility model belongs to the field of bending and shaping equipment, and particularly relates to musical instrument board bending and shaping equipment which comprises a base, a supporting mechanism is arranged on the base, a support is welded to the upper end of the base, an air cylinder is fixedly installed in the middle of the upper end of the support, and an air cylinder rod of the air cylinder penetrates through the support and is in sliding connection with the support. A connecting sleeve is slidably connected to the outer side of the lower end of the air cylinder rod, a support is welded to the lower end of the connecting sleeve, and a bending mechanism is arranged in the support. The motor drives the two-way screw to rotate and drives the connecting block to do threaded motion, then the sliding seat drives the supporting roller to move, move on the lower surface of a plate and support the plate, in the process, the plate is bent, the angle change speed of the plate is low, bending of the plate is not prone to being damaged, and meanwhile the plate bending efficiency is improved. The plate bending machine is suitable for bending plates into different angles.

The utility model provides wire harness bending and buckling equipment, which relates to the technical field of wire harness processing and comprises a workbench, supporting legs are mounted at four corners of the bottom end of the workbench, a bending seat is mounted at the top end of the workbench, a clamping mechanism is arranged above a fixing plate, and a clamping mechanism is arranged above the fixing plate. A placement plate is mounted in the middle of the top end of the workbench, a storage cavity is formed in the other side of the top end of the workbench, and a moving mechanism is arranged above the storage cavity; a moving mechanism is arranged above a material storage cavity, a fixed cavity, a third servo motor, a screw rod, a screw sleeve, a plate body, an air cylinder, a mounting plate, a moving block, a guide hole and a guide rod of the moving mechanism are matched with one another, so that the moving block can be driven to move, and the moving block is used for driving a buckle to move; and the buckle and the bent wire harness are conveniently mounted, so that the wire harness and the buckle are more convenient and faster to mount, and the practicability of the equipment in use is greatly improved.

The utility model relates to an automobile part bending mechanism, which belongs to the technical field of automobile parts and comprises an automobile part bending mechanism mounted outside a bottom plate, the bending mechanism comprises a servo motor, a lead screw, an adjusting sleeve, a mounting block, a bending head and a die holder, and an abutting structure for fixing the automobile parts is mounted on the side, close to the die holder, of the mounting block. The lead screw is fixedly mounted at the output end of the servo motor, the adjusting sleeve is in threaded connection with the lead screw, and the other end of the adjusting sleeve is fixed to the mounting block; the abutting structure comprises a telescopic sleeve, a telescopic rod which is slidably connected to the interior of the telescopic sleeve and extends out of the telescopic sleeve, and an abutting block welded to one end of the telescopic rod. The automobile part bending mechanism is simple in structure, convenient to use and capable of fixing automobile parts when the automobile parts are bent, so that the automobile parts can be stably bent, the stability of the automobile parts when the automobile parts are bent is greatly improved, the automobile part bending quality is improved, and the advantages that the practicability is high, and the parts can be conveniently fixed are achieved.

The utility model relates to a U-shaped folding device of a seamless heat exchange steel pipe for a heat exchanger, which comprises a base, supporting frames are symmetrically and fixedly connected to the left side and the right side of the base, an inner rod frame is arranged between the supporting frames, mounting seats are arranged on the base in front of the supporting frames in a bilateral symmetry mode, and a sleeve frame is arranged between the mounting seats. The sleeve frame is located on the front side of the inner rod frame, a turnover mechanism used for driving the sleeve frame to turn over towards the upper portion of the inner rod frame is arranged on the installation base, the inner rod frame comprises a connecting base with the two ends fixed to the supporting frame and a positioning inner rod fixedly connected to the front end of the connecting base, and the sleeve frame comprises a plurality of positioning sleeves. The heat exchange steel pipe bending device has the advantages that the heat exchange steel pipe can be slightly positioned by the aid of the positioning sleeves and the positioning inner rods, and accordingly the heat exchange steel pipe is less prone to position deviation in bending procedures.

The utility model discloses a kind of bending devices for motorcycle handlebar processing, include: bending table, bending assembly;Bending table includes the control box of its upper end fixed installation.The bending device for motorcycle handlebar processing described in the utility model, when the steel pipe of bending seat outer end on bending table is bent by the pressing block of both sides of bending frame, the pressing plate of the middle part of bending frame is first pressed on the steel pipe installed in the middle part of bending seat, and gradually tightens in the bending of pressing block movement, to cooperate with the upper baffle on the upper end of pressing block to carry out the upper blocking restraint in the end part bending of steel pipe two ends, and then to improve the stability in steel pipe bending, to reduce its deformation problem in bending, simultaneously, the slider of bending frame bottom movable restraint in sliding groove, bending frame front end both sides pressing block also can guarantee the smooth stability in movement, and then to bend more stably to steel pipe two ends, guarantee bending effect.

The utility model relates to the technical field of aluminium veneer bending, specifically is a kind of aluminium veneer bending with camber adjusting mechanism, including processing table, the surface of processing table is fixedly connected with support frame, the inside fixed mounting of support frame has telescopic cylinder, the output end fixed connection of telescopic cylinder has bending head;The surface of processing table is provided with adjusting mechanism, and the adjusting mechanism includes fixed plate, and the bottom end of processing table is fixedly connected in fixed plate, and the inside swing joint of fixed plate has first threaded rod.This utility model can drive moving block to carry out perpendicular motion by the rotation of first threaded rod, further realizes movable rod activity and drives connecting plate to move along with it, can realize the angle of connecting plate to adjust, further in the process of bending aluminium veneer, can adjust the bending degree of aluminium veneer according to requirement, it is favorable to promote the flexibility and applicability of bending, to better satisfy processing demand.

The utility model discloses an intelligent machining bending fixing device, which belongs to the technical field of machining, and comprises a working table, bottom columns are symmetrically arranged at the bottom of the working table, turntables are symmetrically and rotatably arranged on the working table, a placing frame is mounted on the turntables, and the bottom columns are arranged on the bottom of the working table. Sliding grooves are formed in the two sides of the containing frame, a lifting pressing plate in sliding fit with the sliding grooves is movably arranged on the containing frame, a fixing assembly is arranged between the containing frame and the lifting pressing plate, a guide plate and a fixing plate are arranged on the workbench, and a push plate is arranged on the guide plate in a penetrating mode. An electric telescopic rod connected with the push plate is installed on one side of the fixing plate. The metal part bending device has the advantages of being stable in positioning, capable of meeting the fixing requirements of metal parts of different specifications, stable in bending, reliable in structure, convenient and fast to operate, simple, convenient and practical.

The bending machine with the fixed clamping mechanism comprises a main body frame and a rotating groove, a control panel is installed on one side of the main body frame, the rotating groove is formed in one side of the interior of the top end of the main body frame, a guide groove is formed in the other side of the interior of the top end of the main body frame, and a fastening clamping structure is connected to the interior of the guide groove in a sliding mode. The bending structure is arranged, the adjusting countersunk head is rotated through a special wrench to drive the adjusting screw rod to be special together, the adjusting teeth and the adjusting screw rod are of a meshed structure, the rotary disc is driven after the adjusting screw rod rotates, and the adjusting teeth and the adjusting screw rod are of a threaded connection structure. When the rotating disc rotates, the bending column slides along the sliding groove, so that the distance between the bending column and the middle column can be adjusted by controlling forward and reverse rotation of the adjusting countersunk head, the pressure borne by the bending column is reduced by increasing the distance, and the applicability of the bending machine is improved.

The utility model provides a kind of bistable liquid crystal screen flexible test equipment, including bottom plate, support frame, mounting plate, first air cylinder, fixed bracket, limit frame and second air cylinder, the upside of the bottom plate is fixed with two support frames, and two fixed brackets are slidably installed between support frame;The corresponding side of the fixed bracket is fixed with mounting plate by first air cylinder;Limit frame is slidably installed between support frame, and the downside of limit frame is fixed with bottom plate by second air cylinder;Limit frame is arranged between two fixed brackets.The utility model is provided, when using, can make bistable liquid crystal screen present '' C '' shape and '' S '' shape, to further can more comprehensively simulate various bending conditions of bistable liquid crystal screen in actual use, wherein, when making bistable liquid crystal screen present '' C '' shape, can make the fixed end of bistable liquid crystal screen adapt to bending angle.

The utility model relates to the field of building construction bar bending machines, in particular to a steel bar bending machine for building construction, which comprises a working table, a bending disc component with an adjusting function is arranged on the working table, and a driving mechanism for driving the bending disc component to rotate is mounted in the working table. A limiting plate assembly with an adjusting function is arranged on one side of the bending disc assembly, a pressing assembly is arranged on the side, away from the bending disc assembly, of the limiting plate assembly, the pressing assembly is installed on the workbench, and the bending disc assembly comprises a rotary disc, a mandrel, a forming shaft and a sliding notch formed in the rotary disc. A plurality of universal balls are annularly arrayed at the bottom of the rotary disc, and the outer circle of the mandrel is sleeved with a rotary sleeve. And by rotating the adjusting handle I, the threaded rod drives the sliding block I to slide in the sliding notch and synchronously drives the forming shaft to move, so that the distance between the mandrel and the forming shaft is adjusted to adapt to bending of reinforcing steel bars with different diameters.

The utility model discloses a one-time forming titanium alloy plate bending mechanism, and relates to the technical field of bending mechanisms. The one-time forming titanium alloy plate bending mechanism comprises a machine frame, the machine frame is in a C shape, the upper end of the machine frame is fixedly connected with a telescopic rod, the inner bottom face of the machine frame is fixedly connected with a forming block, and a forming groove is formed in the forming block; the output end of the telescopic rod penetrates into the rack and is in sliding connection with the rack, and the output end of the telescopic rod is fixedly connected with an extrusion block. Two fixing blocks are arranged in the machine frame and located above the forming block, and the fixing blocks are located on the two sides of the forming groove. According to the one-time forming titanium alloy plate bending mechanism, a spring is extruded, at the moment, under the principle that force acts relatively, the spring exerts reverse force on a connecting block so that a fixing block can firmly extrude and fix a titanium alloy plate, and therefore it is ensured that the titanium alloy plate is more stable in the bending process, and then the accuracy of the bending position is ensured.

The utility model relates to a fermentation tank cover plate processing tool which comprises a base and an upper die arranged above the base, a lower die is installed on the base and comprises a plurality of blocks which are arranged in the left-right direction, bending grooves penetrating through the blocks in the left-right direction are formed in the outer walls of the blocks, and the bending grooves penetrate through the blocks in the left-right direction. The bending grooves are provided with receding grooves extending in the vertical direction, the receding grooves are located at the ends of the bending grooves, the receding grooves in the block bodies are located in the same direction of the block bodies, the outer walls of the block bodies are provided with a plurality of auxiliary grooves, the auxiliary grooves penetrate through the block bodies in the left-right direction, the auxiliary grooves are different in size, the block bodies are rectangular, and the block bodies are made of stainless steel. The upper end face, the lower end face, the left end face and the right end face of the lower die are respectively provided with an auxiliary groove, the auxiliary grooves and the bending grooves are all in an inverted triangle shape, the left-right length of the lower die is smaller than the left-right length of the fermentation pool cover plate, and the fermentation pool cover plate bending device is high in efficiency, safe, reliable and convenient to operate and can enable a bending machine to bend the fermentation pool cover plate locally.

The utility model discloses a protective device for a bending machine, and relates to the field of bending machines. The device comprises a supporting table top and a workpiece, an abutting plate is arranged above the supporting table top, a protection mechanism is installed below the abutting plate, the protection mechanism comprises two sets of guide frames, an installation plate is fixed to one side of each guide frame and movably connected with the abutting plate, the two sets of guide frames are of a mirror symmetry structure, and the two sets of guide frames are arranged on the supporting table top. Through the protection mechanism, when the abutting part abuts against the workpiece in a limiting mode, the first electric push rod drives the abutting plate to drive the workpiece to rotate by a synchronous angle through the protection mechanism, and in the process, the distance between the workpiece and the supporting table top and the position where the hand of an operator can make contact with the workpiece are gradually increased; the distance between the workpiece and the abutting plate is fixed through the guiding and limiting functions of the guiding frame, the hands of an operator are effectively prevented from entering the gap by mistake, the risk that the hands of the operator are injured in the bending process is directly eradicated, and the use safety is remarkably improved.

The utility model provides a product material belt bending device which comprises a stamping mechanism and a fixing mechanism, and the fixing mechanism comprises a bearing piece and a material bearing swing block. The first end of the material supporting swing block is arranged close to the product material belt, the second end of the material supporting swing block is connected with an elastic component, a limiting piece is arranged close to the first end of the material supporting swing block, and the material supporting swing block is located below the product material belt. Before a product material belt is bent and formed, the elastic component provides upward force for the second end of the material supporting swing block, and the material supporting swing block is kept in a horizontal state under the limiting action of the limiting piece at the first end of the material supporting swing block, so that the material supporting effect is achieved. In the bending and mold closing process of the product material strap, the stamping mechanism downwards stamps the product material strap, so that the product material strap is bent. The material supporting swing block is subjected to punching force, the elastic component is stretched, the material supporting swing block rotates, and the product material belt leaves the material supporting swing block. The material supporting swing block changes from the material supporting effect before bending forming to the material stripping effect, and assists the product material belt to be bent smoothly.

The utility model discloses an angle-adjustable high-frequency welding cover plate bending deflection brace which comprises a bottom bracing plate, the bottom of the bottom bracing plate is connected with a supporting column, the bottom of the supporting column is connected with a bottom plate, the bottom plate is provided with a bending mechanism, the bottom bracing plate is rotatably connected with a deflection brace mechanism through a pivot, and the deflection brace mechanism is connected with a bending mechanism. The deflection supporting mechanism comprises a supporting block welded to the bottom supporting plate, and relates to the technical field of cover plate bending supporting, the deflection supporting mechanism is arranged, the inclination angle of a deflection supporting plate in the deflection supporting mechanism can be adjusted, and therefore cover plates of different angles can be deflected and supported, and the deflection supporting mechanism is suitable for bending operation of the cover plates of different angles; the deflection supporting mechanism not only can support one end of the cover plate, but also can bend the cover plate, so that the function of the deflection supporting mechanism is more powerful; the limiting mechanism is arranged to press or limit the tail end of the cover plate, so that it is guaranteed that the cover plate is stably bent, and the bending quality of the cover plate is guaranteed.

The utility model relates to the technical field of cable bending, in particular to a bending machine for power cable testing, which comprises a conveying belt, a support frame, a transfer roller, an output groove, a pressing and bending component and an anti-jumping component, and is characterized in that the support frame is mounted on one side of the conveying belt; the transfer roller is arranged on the support frame; in the bending process, one side of the cable far away from the downward-pressing bending assembly tilts up and enters the blocking frame, the cable is blocked by the blocking frame to jump into the limiting groove, the limiting effect is achieved when the cable is bent, the cable can only be conveyed forwards, the left side and the right side of the cable are blocked, jumping cannot happen, and therefore the bending process is more stable, and the bending efficiency is improved. In the process, the cable subjected to bending treatment can be limited and jumped through the blocking frame, so that the cable bending treatment is smoother, surrounding workers can conveniently get close to the machine to check the bending treatment condition, and the practicability is effectively improved.

The utility model relates to the field of reed nut processing equipment, in particular to a punch forming device for reed nut processing, which comprises a processing table, a limiting device, a bending device and a punching device, a processing groove is arranged at the top of the processing table, an equipment frame is fixedly mounted at the top of the processing table, and the limiting device is fixedly mounted on the equipment frame. The limiting device is mainly composed of the first hydraulic cylinder and the lower pressing plate, the action of the lower pressing plate is flexible and adjustable under the control of the first hydraulic cylinder, and the reed nut part stamping device is suitable for reed nut parts of different specifications. The bending device is composed of a third hydraulic cylinder and an extrusion plate, the extrusion plate can rapidly and accurately bend the reed nut piece through strong power of the third hydraulic cylinder, the stamping device is composed of a second hydraulic cylinder and a stamping plate, the stamping device can accurately punch the reed nut piece, and the precision requirement of a product is met.

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 packing machinery especially relates to a material edge protection strapping device, including frame and be located on the frame be used for conveying rectangular article material conveying mechanism, the annular strapping mechanism of being located material conveying mechanism rear, the side of rectangular article conveying direction on the frame is provided with the release mechanism for releasing the edge protection plate, the release mechanism includes the edge protection input mechanism, is used for shifting the edge protection plate from the edge protection input mechanism to the side of rectangular article shift mechanism and is used for fixing the edge protection plate on the side of rectangular article fixed establishment. Its solved the existing rectangular article when carrying out annular winding package, the corner is easy to be damaged technical problem.

This utility model discloses a tunnel wall ring reinforcement forming device, relating to the field of tunnel ring reinforcement processing technology. The tunnel wall ring reinforcement forming device includes an integrated steel frame, which houses a primary forming mechanism, a straightening mechanism, a matrix laser sensor, and an encoder. The matrix laser sensor is located on the reinforcement inlet side of the primary forming mechanism. The primary forming mechanism includes a pair of driving wheels and driven wheels, with the driving wheel connected to the encoder and the driven wheel connected to a linear avoidance actuator. The straightening mechanism includes a pair of driving wheels and driven wheels, with the driven wheel connected to a linear avoidance actuator. The matrix laser sensor and the encoder are electrically connected to a control box, which is controlled by the linear avoidance actuators. This tunnel wall ring reinforcement forming device can avoid sleeve collisions, improve ring reinforcement forming accuracy, and ensure forming quality.

The invention relates to the technical field of advertisement display screens, in particular to wall-mounted intelligent advertisement display equipment which comprises a fixing plate, a first adjusting rod is welded to the lower end of the fixing plate, a second adjusting rod is slidably connected to the lower end of the first adjusting rod, and a rotating shaft is rotatably connected to the lower end of the second adjusting rod. A connecting frame is fixedly connected to one side of the rotating shaft, a main plate is connected to the end, away from the rotating shaft, of the connecting frame through screws, two auxiliary plates are rotatably connected to the two sides of the main plate, and a toughness plate is arranged on the side, away from the connecting frame, of the main plate. The auxiliary plate is rotated and bent on the two sides of the main plate under the tensile force of the rotating rod, so that when the bending direction of the flexible screen is adjusted, the screen can also ascend or descend along with the flexible screen, meanwhile, the rotating table is rotated to enable the abutting spring to push the sliding block in different directions, and therefore the tough plate is stretched straight or loosened.

A handheld portable electric hydraulic bar bending machine comprises an oil cylinder, a piston arranged in the oil cylinder and a pressure gathering groove formed in the center of the side wall of the left side of the piston, the side wall of the left side of the piston is attached to the inner wall of the left side of the oil cylinder, an oil hole communicated with the pressure gathering groove is formed in the outer wall of the piston, and the left portion of the oil cylinder is sleeved with a handle shell matched with the oil cylinder. A fixing seat is arranged in the handle shell, and the outer wall of the left side of the oil cylinder is attached to the right end face of the fixing seat; a limiting groove is formed in the center of the inner wall of the left side of the oil cylinder. A through hole communicated with the limiting groove is formed in the center of the outer wall of the left side of the oil cylinder; a fastening screw hole coaxial with the penetrating hole is formed in the right end face of the fixing base. The handheld portable electric hydraulic bar bending machine can be moved easily, straight pipes in different places can be bent conveniently, the bending requirements of the straight pipes of different sizes can be met, and the overall bending efficiency can be effectively improved.

The utility model relates to a rod piece bending device which comprises a fixing base, a first rotating shaft, a connecting piece, a roller and a second rotating shaft, one end of the connecting piece is rotatably connected to the fixing base through the first rotating shaft, the other end of the connecting piece is provided with the second rotating shaft, the roller is cylindrical, and the roller is rotatably connected to the connecting piece through the second rotating shaft. A bending face is arranged on the peripheral side of the fixing base, the bending face is a cylindrical face and is coaxial with the first rotating shaft, and the outer side face of the pin roller and the bending face are arranged in a spaced mode and form a machining gap used for bending a rod piece. According to the rod piece bending device, the problems that existing copper piece bending equipment is complex in structure and inconvenient to operate are solved.

The invention relates to the technical field of electrical flexible connection, in particular to a flexible connection structure and a processing technology.The flexible connection structure comprises a copper foil, a supporting frame and a clamping piece, a plurality of supporting strips on the supporting frame are in a wave state, the wave degrees of the supporting strips are different, a wiring board is connected with an electric lead, and the clamping piece is arranged on the wiring board. If the distance between the two electric leads is different from the distance between the two ends of the supporting strip in the initial state, the supporting frame is bent at will, and due to the fact that the supporting strip is in the wave state initially, when the supporting frame is bent, the wave-shaped supporting strip can further increase the wave degree along the shape of the wave of the supporting strip, and therefore the supporting frame is bent. The supporting strips drive the copper foils to move synchronously through the clamping pieces, bending of the copper foils is guided by arranging the supporting strips, the situation that every two adjacent copper foils make contact with each other when the copper foils are bent is avoided, and then the probability that the performance of the copper foil flexible connection structure is reduced due to mutual contact of the copper foils is reduced.

The utility model discloses a kind of flexible circuit bending jigs, belong to electronic manufacturing equipment technical field, the jig includes base, lower mould, upper mould and drive assembly, lower mould is fixed by bolt and can be adjusted left and right, upper mould is driven to realize multidimensional motion by vertical and transverse transfer module group, cooperate the upper and lower mould of rubber material to complete flexible circuit bending;Right side is set by the pressing block driven by pressing cylinder, can clamp the one end of line to prevent displacement.Its advantage is that: pressing block and cylinder cooperate to realize automatic positioning, avoid line displacement;Transfer module group combination precision control upper mould movement, guarantee bending accuracy, avoid extrusion damage flexible circuit;Lower mould adjustable installation position adapts to different specifications line, improve versatility;The jig compact structure, convenient operation, effectively improve the precision of flexible circuit bending processing, production efficiency and product quality, suitable for electronic circuit board automated processing scene.

The invention belongs to the technical field of testing devices, and relates to an ultra-large pressure stress jam-free hydrogen-induced delayed cracking experiment device and method. The device comprises a four-point bending clamp, the four-point bending clamp is arranged to clamp a bending sample and comprises a base, a pressing block, a bearing plate, a force transmission column and a clamp fastening bolt, the base defines a cavity with a downward opening, the pressing block is contained in the cavity and matched with the base to clamp the bending sample in a four-point supporting mode, and the bearing plate is arranged on the base; the force transmission column penetrates through the base to be supported between the pressing block and the bearing plate, and the clamp fastening bolt detachably locks the base and the bearing plate. The auxiliary bending bracket is arranged to support the four-point bending clamp; and the loading mechanism is arranged to apply stress to the bending sample. The device solves the problems that the sample for the ultra-large hydrogen-induced delayed cracking experiment is difficult to pre-bend, and the stud is blocked and the loading block falls off in the using process of the existing four-point bending device.

The utility model discloses a bending device for machining household appliance accessories, and relates to the technical field of bending machines, in particular to a bending device for machining household appliance accessories, which comprises a rack, a fixed guide pipe is fixed on the rack, the fixed guide pipe penetrates through the rack, one end of the rack is provided with a circular notch, and the other end of the rack is provided with a clamping groove. The inner wall of the notch is movably sleeved with a rotating plate, a T-shaped transmission plate is fixed in the rotating plate, the two ends of one side of the transmission plate are movably connected with two symmetrical limiting columns, one ends of the two limiting columns are jointly and fixedly connected with a bending plate, and one side of the bending plate is in a circular arc shape. According to the bending device for machining the household appliance accessories, a gear is driven by an output shaft of a second motor to rotate, a rotating plate can rotate under the driving of rotation of the gear, a bending plate can rotate under the driving of the rotating plate, and then the position of the bending plate is adjusted; and therefore, the bending plate can bend the pipe fitting from multiple directions.