123 results about "Sheet metal stamping" patented technology

This invention provides a positioning device for preventing lateral movement of a workpiece during mold opening. The device includes a lower mold assembly and a positioning assembly. The lower mold assembly includes a punch, a blank holder, and a lower mold base. The punch is fixedly mounted on the lower mold base. The blank holder is vertically movable and positioned on the lower mold base, surrounding the outer periphery of the punch. The bottom of the blank holder is connected to the lower mold base via a nitrogen spring. The working surface of the blank holder is inclined. During mold opening, the blank holder is lifted by the nitrogen spring, making its working surface higher than the punch. The positioning assembly is vertically extendable and retractable on the working surface of the blank holder. It can retract into the blank holder before sheet metal stamping and extend out of the blank holder during mold opening after sheet metal stamping, abutting the edge of the sheet metal to achieve horizontal positioning of the workpiece. This invention has the advantages of preventing the workpiece from sliding along the inclined surface of the blank holder during mold opening and ensuring workpiece positioning accuracy.

The invention relates to the technical field of intelligent protection, and discloses a metal plate stamping anti-collision system based on force feedback, which comprises a data acquisition module, a data processing module, a feature extraction module, a collision risk prediction module, a dynamic anti-collision control module and a real-time anti-collision intervention module, force signal data in the stamping process is obtained; performing noise cleaning on the force signal data to obtain a clean force signal in the stamping process; extracting a time domain feature and a frequency domain feature in the clean power signal to obtain a time domain feature vector and a frequency domain feature vector in the stamping process; performing collision risk prediction on the stamping process based on the time domain feature vector and the frequency domain feature vector to obtain a collision risk level of the stamping process; dynamically generating an anti-collision control instruction of the stamping equipment according to the collision risk grade; the stamping process is intervened in real time based on the anti-collision control instruction; according to the invention, the efficiency of production operation, quality control, mold maintenance and automation level can be improved.

The invention discloses a sheet metal part stamping device used for alloy sheet metal part machining, and relates to the technical field of sheet metal part machining, the sheet metal part stamping device comprises a supporting frame, a stamping table and a mounting table are installed on the upper side of the supporting frame respectively, the stamping table and the mounting table are installed at the two ends of the supporting frame respectively, and a stamping die is arranged on the upper side of the stamping table; a stamping die is arranged on the upper side of the stamping table, a jacking piece is arranged in the stamping die, a fixing frame is arranged on the upper side of the stamping table, a mounting plate is arranged in the fixing frame, a stamping block is arranged on the lower side of the mounting plate, the stamping block is arranged over the stamping die, an L-shaped connecting frame in sliding connection is arranged on the outer side of the mounting table, and a mounting frame is arranged at one end of the L-shaped connecting frame. And the sheet metal part is arranged in the mounting frame, a movable plate is mounted on the upper side of the L-shaped connecting frame, a supporting column is arranged on the upper side of the movable plate, a plurality of fixed suction cups are mounted on one side of the supporting column, and the output ends of the fixed suction cups are arranged on the inner wall of the sheet metal part.

The present application provides a kind of multi-step composite stamping feature springback compensation calculation and forming method, it is related to sheet metal stamping forming technical field, include: to the pre-bending forming processing of the stamping material belt to be executed, generate multi-step pre-bending blank;To pre-bending blank executes step-by-step round operation, generates round transition piece;According to static springback numerical value, finishing sizing and corner shaping operation are executed to transition piece.The method also includes dynamic compensation control: obtain adjacent step size correlation parameters and continuous operation batch parameters;According to size correlation parameters, stress coupling coefficient is established;According to batch parameter, compensation attenuation factor is generated;Coefficient, factor and static springback numerical value are fused and calculated, and target springback compensation instruction is generated;According to target instruction, the compensation shaping action of subsequent batch is controlled.The present application can compensate the dynamic error accumulation generated in long-term processing, and improve the size consistency of multi-step finished product forming.

A plate stamping device for manufacturing a silencing box shell of a generator set relates to the technical field of metal plate stamping and comprises a supporting base, the supporting base is a horizontally-arranged square seat, and a bending stamping assembly, a blanking and blanking assembly and a clamping and transferring assembly are arranged on the supporting base. The problems that in the process that stamping equipment in the prior art is used for stamping the silencing box plate, the stamping function is single, the stamping mode is limited, the plate is inconvenient to transfer, consequently, the stamping part cannot be adjusted, and adjustment is inconvenient in the blanking process are solved.

The utility model provides an automatic rivet feeding mechanism and a progressive die device comprising the same, relates to the technical field of stamping, and solves the technical problems that procedures before and after sheet metal stamping and riveting are inconsistent in rhythm and low in production efficiency. The automatic rivet feeding mechanism comprises an arranging module, a guiding-out module, a material supplementing module and a material taking and feeding module. The arrangement module is used for adjusting the direction of the to-be-riveted material and providing a moving power source; the leading-out module is provided with a feeding position and a taking position; the feeding position is communicated with an outlet of the arrangement module and is used for receiving the to-be-riveted materials of which the directions are adjusted; the material supplementing module is arranged beside the guiding-out module and used for supplementing the to-be-riveted materials in the guiding-out module to the material taking position. And the material taking and feeding module can reciprocate between the material taking position and a preset riveting hole in the die cavity of the continuous die. According to the utility model, the in-mold riveting is realized, the material transfer process is avoided, the human resource investment is reduced, the production efficiency is obviously improved, the rivet feeding precision is high, no deviation exists, and the riveting requirements of various parts are met.

The invention discloses a wide-width multi-cavity integrated lightweight design method for a high-rigidity aluminum pedal of an electric bicycle. The pedal is formed by integrally extruding aluminum alloy, the integral wall is thin, the upper part is a panel, the lower part is a bottom plate, and the bottom plate is connected with a vertical rib to form a multi-cavity closed structure or a T-shaped rib is connected with a reinforcing cross beam; through holes are formed in four corners of the pedal plate, and connecting columns matched with the through holes in size penetrate through the through holes and are welded and fixed; the panels are all in an upwards-arched arc shape, a plurality of anti-skid lines are arranged on the upper surfaces of the panels, and arc-shaped covered edges are arranged on the two sides of the panels. The aluminum alloy extrusion integrated forming technology is adopted, traditional plastic extrusion or metal plate stamping is replaced, unification of light weight, high corrosion resistance and low-cost production is achieved, and the defects that a traditional plastic pedal is low in rigidity, prone to deformation, prone to aging, inflammable and not environmentally friendly, and a metal plate stamping die is high in cost are fundamentally overcome; and diversified requirements of the industry can be quickly responded, and preemptive preemption in the market environment of quick development of the electric bicycle is facilitated.

The utility model relates to the technical field of sheet metal processing, in particular to a sheet metal forming die capable of adjusting clamping force. The stamping die comprises a table top, a to-be-stamped workpiece is placed on the table top, then the to-be-flattened workpiece with the uneven surface is placed at the bottom of an inner cavity of the table top, an air cylinder is started to conduct jacking downwards, a mounting plate is driven to move downwards, the mounting plate drives a die body at the bottom to move downwards, and stamping is conducted on a sheet metal part; the guide rods limit the mounting plate in the horizontal direction so that the mounting plate can move in the vertical direction, the die body can vertically descend and ascend, the good stamping effect can be achieved, and the problems that due to inclination of the die, sheet metal parts are flattened unevenly or deform and the like are solved; and meanwhile, the guide rod and the flattening plate are driven to move downwards to flatten the workpiece, so that the defects of unevenness, scratches, deformation and the like on the surface of a metal plate in the machining and transporting process of the workpiece are prevented, and the product quality is prevented from being influenced.

This utility model relates to the field of sheet metal stamping technology, and in particular to a sheet metal stamping device with adjustable stamping angle, comprising: a frame on which a lower die is mounted; a stamping mechanism including a first motor, a lead screw, a sliding table, and a stamping assembly cooperating with the lower die, the stamping assembly including a support block and a stamping block rotatably disposed therewith; and an adjustment mechanism for adjusting the angle of the stamping head, including a first adjustment part and a second adjustment part, the first adjustment part being used to drive the support block to rotate. The advantages of this utility model are: through the synergistic action of the first and second adjustment parts, multi-angle precise adjustment of the stamping head can be achieved, meeting the processing requirements of different sheet metal parts, reducing the frequency of die replacement, and improving production efficiency; the use of a motor-driven worm gear and gear transmission mechanism realizes automatic adjustment of the stamping angle, avoiding errors and safety hazards caused by manual adjustment, and improving processing accuracy and ease of operation.

The invention discloses a pneumatic punching device and method for a stamping part, and relates to the technical field of stamping manufacturing of automobile body metal plates, the pneumatic punching device for the stamping part comprises a fixing frame, a plurality of clamping assemblies and a plurality of pneumatic punching assemblies, the multiple clamping assemblies are arranged on the fixing frame at intervals, and the multiple pneumatic punching assemblies are arranged on the fixing frame at intervals. The multiple pneumatic punching assemblies are arranged on the fixing frame side by side and located on one side of a vehicle door inner plate, and when the multiple clamping assemblies clamp and fix the vehicle door inner plate, the multiple pneumatic punching assemblies abut against one side of the vehicle door inner plate so as to conduct pneumatic punching on the vehicle door inner plate. Punching can be directly carried out according to newly-added holes through the multiple pneumatic punching assemblies, the number of punching dies or laser cutting procedures does not need to be increased, the production cost is reduced, and the production efficiency is improved.

This utility model discloses a material protection device for sheet metal stamping production, belonging to the technical field of sheet metal stamping devices. It includes a base, a worktable fixedly connected to the surface of the base, a frame mounted above the worktable, and a stamping die installed between the worktable and the frame. An assembly groove is provided on the end face of the worktable, and a support seat is installed inside the assembly groove. A support frame is fixedly connected to the top of the support seat. A feeding gap is provided between cleaning pads A and B. When conveying strip material to the stamping die, the holding limiting plate is lifted longitudinally. At this time, the platform and the support frame are locked in place, preventing loosening or detachment. Then, the strip material is passed through the feeding gap between cleaning pads A and B. During the material pulling process, the strip material, supported and limited by the platform and the limiting plate, will not directly contact the worktable, thereby reducing wear and improving product quality.

The utility model relates to the technical field of plate stamping, and discloses a metal plate stamping die which comprises an upper die base, a combined stamping die is arranged on the upper die base, the combined stamping die comprises a punch base arranged on the upper die base, an adjustable male die is arranged on the punch base, the adjustable male die is composed of a plurality of mutually independent movable cutting dies, and the movable cutting dies are arranged on the upper die base. The movable cutting die can slide in the punching direction, a plurality of clamping grooves are formed in the side face of the punch base, positioning assemblies are arranged in the clamping grooves and comprise clamping plates arranged in the clamping grooves, positioning columns are arranged on the sides, close to the movable cutting die, of the clamping plates, the tail ends of the positioning columns penetrate through the punch base in a sliding mode, and the movable cutting die is arranged on the movable cutting die. The movable cutting die is clamped with the movable cutting die; through cooperative use of the combined stamping die, the positioning assembly and the lower female die, the position of the movable cutting die can be adjusted according to needs, so that the movable cutting die is flexibly moved or fixed during stamping, more accurate operation is achieved, and the beneficial effects of being convenient to operate and high in applicability are achieved.

The utility model provides an automobile door assembly for a B-pillar-free automobile and the automobile. The vehicle door assembly comprises a first limiting piece and a second limiting piece. The first limiting piece comprises a connecting part and a protruding part. The connecting part is used for connecting an automobile door. The connecting part is formed by stamping a metal plate, and a communicating opening penetrating in the front-back direction is formed in the connecting part. The protruding part is made of plastic materials and fixedly connected into the communicating opening, and the protruding part protrudes forwards or backwards from one side of the connecting part. The second limiting piece comprises a concave part which is used for being connected with another automobile door. The recessed part is recessed forwards or backwards to form a groove, and the protruding part is matched with the recessed part in an inserted and sleeved mode. The connecting part is formed by stamping a metal plate, the first limiting piece is fixedly connected to the automobile door through the connecting part, so that connection between the first limiting piece and the automobile door is firmer, the situation that the connecting position of the first limiting piece and the automobile door is aged and deformed is avoided, and then the situation that the automobile door generates abnormal sound in the running process of an automobile is avoided; and the user experience is improved.

1. The name of the design product: sheet metal punching machine side plate. 2. The use of the design product: mainly used for sheet metal punching machine side plate. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to a metal plate stamping system and a stamping method thereof, in particular to the metal plate stamping system which comprises a stamping device, a feeding device, a conveying device, a recycling device, a parameter detection module and a control module. The parameter detection module is used for obtaining metal plate parameters, operation stamping parameters, conveying parameters and recovery parameters; the control module is electrically connected with the feeding device, the stamping device, the conveying device, the recycling device and the parameter detection module and used for adjusting the working state according to parameters obtained by the parameter detection module. According to the above content, the sheet metal stamping system and the stamping method thereof are provided, and the problems that a sheet metal stamping system in the prior art lacks a unified control module to conduct real-time monitoring and dynamic adjustment on all links, all the devices operate independently, and the cost is low are solved. The problems that the overall operation efficiency of the system is low, and efficient and stable production is difficult to achieve due to the fact that cooperative work cannot be conducted according to overall operation parameters of the system are solved.

The positioning sliding block assembly for the sheet metal part stamping die comprises at least two sliding blocks, a mounting base and a springback reset piece, and the two sliding blocks are oppositely arranged; a mounting groove for mounting the sliding block is formed in the mounting seat, a groove opening of the mounting groove is formed upwards, and the sliding block is slidably connected with the mounting groove in the inclined direction; the rebounding reset piece is used for forcing the sliding block to slide away from the bottom of the mounting groove, and the mounting base is provided with a limiting structure used for preventing the sliding block from disengaging from the mounting groove; the top faces of the sliding blocks are used for bearing a bottom plate of the sheet metal part, the side face, deviating from the opposite sliding block, of one sliding block serves as a positioning face, the positioning face is used for abutting against the folded edge of the sheet metal part, and the positioning face is provided with a positioning structure. According to the positioning structure, under the condition that the sheet metal part with the folded edges on the periphery is positioned, the hindering effect of the positioning structure on the discharging process of the sheet metal part can be reduced at the same time.

The application discloses a new flexible measuring support. The sheet metal product after sheet metal stamping and welding of a vehicle in China needs to be measured by a gauge, and the new flexible measuring support is one of vehicle gauges. The structure of the new flexible measuring support is that a hard treated aluminum plate is used as a reference plate; the up-down and left-right movement and 360-degree rotation of the new flexible measuring support are realized through telescopic rods and rotary joints, and the new flexible measuring support can be said to be omnibearing adjustment; the positioning and clamping of the new flexible measuring support are respectively realized through a positioning ball, a positioning pin and a flange clamp. In use, the RPS point on a product is generally used as a reference, and then the RPS point is embodied on a 3D digital model, finally, the flexible measuring support is placed according to the state of the flexible measuring support on the 3D digital model, so that the sheet metal is fixed to realize measurement. The bearing of a single group of the new flexible measuring support is not less than 30 Kg, and the biggest advantage of the new flexible measuring support is that the previous independent measuring frame for each sheet metal can be combined into a flexible measuring body required by various sheet metals. The application greatly reduces the cost caused by sheet metal measurement, changes the structure, guarantees the quality, and improves the appearance.

The present application relates to the technical field of sheet metal stamping forming and process optimization, and provides a method for optimizing stamping process parameters of a thin-walled battery shell based on LNN prediction, which comprises the following steps: establishing a new energy thin-walled battery shell geometric model, selecting three process parameters with the greatest impact on forming quality as optimization variables, and selecting an index for evaluating forming quality; generating a plurality of experimental combinations in finite element simulation calculation by adopting BBD design test scheme, extracting the maximum thinning rate and the maximum thickening rate corresponding to each test to form an initial sample data set; constructing and training an improved LNN prediction model; taking the trained LNN prediction model as a fitness evaluation function of MOPSO algorithm, predicting a Pareto optimal solution set, and selecting a unique optimal solution. The present application can capture the complex coupling relationship and nonlinear effect among multiple process parameters, and effectively realize the collaborative optimization of contradictory quality objectives.

The invention discloses sheet metal stamping equipment capable of quickly replacing a hollow die, and belongs to the field of sheet metal stamping, the sheet metal stamping equipment comprises a support frame, the upper surface of the support frame is connected with a protection box, the inner bottom wall of the protection box is connected with a bottom plate, the upper surface of the bottom plate is connected with a lower die, and the upper surface of the bottom plate is fixedly connected with a baffle; after a second hydraulic rod is started, a sliding block connected with the second hydraulic rod is pushed to do vertical downward precise sliding along a sliding groove in the inner wall of a mounting groove, and along with downward movement of the sliding block, a movable wheel connected with the side face of the sliding block through a rotating shaft synchronously descends; the movable wheels are arranged on the upper surface of the bottom plate until the outer surfaces of the movable wheels completely make contact with the upper surface of the bottom plate to form stable supporting, the die is switched from fixed supporting to rolling supporting, the friction force between the die and the bottom plate in the follow-up moving process is greatly reduced, die deviation or jamming caused by too large resistance is effectively avoided, and the service life of the die is prolonged. And a powerful guarantee is provided for smooth movement of the mold.

The invention discloses a supporting device and a supporting system for a hollow sheet metal part, and relates to the technical field of vehicle body sheet metal stamping manufacturing, the supporting device comprises a frame body, at least one suspension assembly and at least one limiting assembly, each suspension assembly is movably arranged on one side of the frame body, and each limiting assembly is movably arranged on the other side of the frame body; each suspension assembly is used for penetrating through one corresponding cavity of the sheet metal part to suspend the sheet metal part, and the limiting assembly is arranged on one side of the frame body and used for laterally limiting the sheet metal part. In the embodiment of the invention, the suspension assembly is designed to be movably arranged on the frame body, so that the position of the suspension assembly can be flexibly adjusted so as to accurately penetrate through cavities of sheet metal parts of different specifications to realize suspension, and meanwhile, the limiting assembly is also movably arranged on the frame body so as to limit the sheet metal parts from the side surface; according to the technical scheme, a reconfigurable universal supporting system is formed, so that the problems that in the prior art, a supporting device is poor in applicability and lacks universality are solved, and rapid adaptation and stable supporting of hollow sheet metal parts of different sizes and contours are achieved.

The utility model discloses a kind of multi-process compound dies, it includes upper die component and lower die component;The lower die component includes lower die seat, lower foot is set on the lower die seat, lower die plate is set on the lower foot and lower die kernel is set on the lower die plate;The upper die component includes upper die seat, upper clamping plate is set on the upper die seat, punch fixed plate and punch are set on the upper clamping plate, tool block backing plate is set on punch fixed plate, and tool block is set on tool block backing plate;Lower die kernel outside is provided with edge ring, the edge ring is oppositely arranged with the tool block, and the punch and tool block are provided with the pressing plate oppositely arranged with the lower die kernel.This application provides multi-process compound die reduces the need multiple sequence die to complete the processing of sheet metal part, reduces tool development cost, reduces the number of stamping equipment use, reduces sheet metal stamping part turnover frequency, improves production efficiency.

The utility model discloses a main beam structure of an air suspension system, which comprises a main beam body, a bottom plate and a mounting plate which are spliced to form the main beam structure with a closed quadrilateral section, the structure is a sheet metal stamping and welding structure, the splicing surface of the main beam body and the bottom plate is streamlined, and the bottom plate extends along the surface; one end of the main beam body is provided with a shaft hole for connecting an axle, the other end of the main beam body is provided with a bushing for connecting a bracket, the mounting plate is arranged at one end close to the shaft hole for connecting a damping air bag, and the joint of the main beam body and the bottom plate is provided with a closing structure. The technical effects that the structural design is reasonable, connection with all components of the air suspension system is facilitated, and good mechanical performance and stability are achieved are achieved.

The utility model relates to the technical field of stamping tools, in particular to a metal plate stamping tool which comprises a base, a stamping table is fixedly connected to the outer wall of the top of the base, detection mechanisms are installed on the opposite sides of the base, driving assemblies are installed on the outer walls of the opposite sides of the base in a sliding mode, openings are formed in the outer walls of the opposite sides of the base, and the openings are communicated with the stamping table. The driving assembly comprises two lead screws rotationally installed on the inner walls of the openings, and the inner walls of the two openings are both slidably connected with driving blocks. According to the metal plate pressing device, the defects in the prior art are overcome, the two detection mechanisms are arranged on the base, the pressing force of a metal plate can be conveniently detected through the pressure switches arranged in the detection mechanisms, continuous extrusion on the metal plate is stopped when the metal plate is pressed to a certain degree, the situation that the metal plate deforms during pressing is effectively avoided, and the working efficiency is improved. The problem that deformation is prone to occurring when a metal plate is fixed through an existing stamping tool is solved.

The utility model belongs to the technical field of punch forming, and particularly relates to a sheet metal part punch forming device which comprises a workbench, a mounting frame is fixedly connected to the top of the workbench, an air cylinder is fixedly connected to the top of the mounting frame, a top plate is fixedly connected to the output end of the air cylinder, an upper die is fixedly connected to the bottom of the top plate, and an ejection mechanism is arranged in the upper die. The first gear, the second gear and the reciprocating screw rod are matched; in order to solve the problem that a stamping part is attached to an upper die and is directly brought out by the upper die, so that the stamping part is inconvenient to directly take down, a motor is started, the motor drives a second gear to rotate through an output shaft, the second gear drives a first gear to rotate, the first gear drives a reciprocating screw rod to rotate, and the reciprocating screw rod drives a lifting plate to move downwards; the push rod is driven by the lifting plate to move downwards, the metal plate stamping part attached to the upper die is pushed to fall off through the push rod, and therefore the function of rapidly taking down the stamping part is achieved.

This utility model discloses a lock accessory, including a sheet metal cover and a bottom latch cover plate formed from sheet metal. The bottom latch cover plate includes an end plate and a side plate connected to each other. The side plate is located on one side of the end plate. The surface of the end plate is provided with clearance holes and connecting holes and / or connectors. The connectors face the other side of the end plate. The sheet metal cover is used to cover the bottom latch cover plate, and the end plate of the bottom latch cover plate is located at the port of the sheet metal cover. The sheet metal cover includes an outer cover and an inner cover formed by sheet metal stamping. The inner cover is fitted inside the outer cover. The side plate of the bottom latch cover plate extends into the inner cover and is directly and / or indirectly fixedly engaged with the side wall of the inner cover. In this utility model lock accessory, the sheet metal cover is fixed to the door (or other lock mounting carrier) through the bottom latch cover plate. The end plate of the bottom latch cover plate abuts against the door, with a large contact area, preventing damage to the door. Moreover, during installation, the sheet metal cover can be separated from the bottom latch cover plate without obstructing the installation of the bottom latch cover plate, making installation more convenient.

The outdoor unit comprises a box body and a handle assembly, a containing cavity is formed in the box body, an air outlet and an air return opening are formed in the two opposite sides of the box body in the first direction respectively, the handle assembly comprises a handle body and a holding part, the handle body is installed on the side, in the second direction, of the box body, and the holding part is installed on the handle body. The holding part is arranged on the side, away from the containing cavity, of the handle body, the handle assembly is of an integrated metal plate structure, the first direction and the second direction are both perpendicular to the height direction of the box body, and the second direction is further perpendicular to the first direction. The handle assembly provided by the utility model is a sheet metal part, is firmer and more durable compared with a handle made of a plastic part, is integrally formed through sheet metal stamping, has no welding seam on the whole, and is higher in structural strength.

The utility model discloses a metal plate stamping device with fixed structure of machine tool belongs to sheet metal processing technical field, and it includes machine tool body, one side fixed connection of machine tool body has first air cylinder, first air cylinder one side is installed with first piston push rod, and first piston push rod is mutually clamped with machine tool body. This metal plate stamping device with fixed structure of machine tool is fixed to the plate on machine tool body, and the operator starts first air cylinder, to make first piston push rod elongation, and first piston push rod promotes rack to move, and rack drives two gear rotation, and gear drives threaded rod rotation, and threaded rod promotes fixed plate and rubber plate to move down, until rubber plate and plate surface completely adhere, and it is convenient to the quick stable fixation of plate, prevents the deviation or sliding of plate when stamping processing to plate, leads to the inaccuracy of the stamping device to plate, improves the working stability and accuracy of the stamping device.

This invention relates to the field of sheet metal processing technology, specifically to a sheet metal flexible processing equipment for sheet metal stamping and flanging composite processing. It solves the problem that after flexible metal sheets undergo magnetic sorting, the usual method of feeding with suction cups results in a long back-and-forth motion, increasing the overall processing time. The equipment includes: a magnetic sorting module comprising multiple adjustable magnetic separators connected to a power source, which magnetically separate stacked flexible metal sheets, separating adjacent sheets; and a feeding auxiliary mechanism comprising two symmetrically positioned and adjustable moving plates, with a rotatable auxiliary spiral conveyor rod at the bottom of each plate. This invention improves the processing efficiency of flexible metal sheets by providing rapid and assisted feeding of the magnetically sorted sheets, achieving continuous and uninterrupted feeding.

The application discloses a household appliance metal plate stamping die convenient to replace, and belongs to the technical field of stamping dies. The household appliance metal plate stamping die convenient to replace comprises an upper die plate, a connecting sleeve is fixedly arranged at the bottom of the upper die plate, a stamping head is detachably arranged at the bottom of the upper die plate, and a locking assembly is detachably arranged between the upper die plate and the stamping head. The stamping head and the upper die plate are locked and connected through the locking assembly, the wedge-shaped block A in the locking assembly is driven by the screw B to drive the wedge-shaped block B to be pressed against the top of the locking cavity, the locking and limiting in the horizontal direction of the locking sleeve are realized, the connecting column and the connecting sleeve are connected under the action of the locking sleeve, the screw B is reversely rotated during disassembly, and therefore, the problem that the stamping head is vibrated during repeated stamping, the connection of the stamping head is affected by vibration and is possibly failed, and the safety hidden danger of the die during household appliance metal plate stamping processing is caused is effectively solved, and the stamping head is convenient to replace and the processing stability of the stamping head is ensured.