11 results about "Shear forming" patented technology

The present invention relates to steel suitable for automobile chassis components and, more specifically, to a hot-rolled steel sheet having excellent shear formability and crack propagation resistance, and a manufacturing method therefor.

The present invention relates to the field of metal plastic processing technology, and discloses a method for improving the uniformity of the thickness of the ribs of high-rib thin-walled cylindrical components formed by local shearing, comprising: clamping the tube blank to the core shaft of a spinning machine by applying a radial constraint force; selecting a flow roller with a double-conical surface structure for flow spinning, controlling the flow roller to perform one-pass overall thinning on the tube body of the tube blank by its forming working surface, and then performing two-pass local thinning on part of the tube segment to form a stepped forming surface at the end of the two-pass local thinning tube segment; selecting a shearing roller for local shear forming, and using the bottom of the forming surface as the shearing starting position, controlling the shearing roller to perform axial shearing feeding on the unthinned tube segment to obtain an annular outer rib cylindrical component. The method of the present invention is simple, and further simplifies the process device compared to the existing technology. It not only achieves the improvement of the uniformity of the high-rib thickness, but also can meet the needs of multi-rib structural components and variable wall thickness components.

The utility model relates to the field of sheet metal processing, in particular to a shear type forming device of a double-bent arc plate, which comprises an arc-shaped frame, a bending roller, a swing rod and a rotating shaft, the arc-shaped frame is provided with a bent arc, the bending roller presses a plate on the arc-shaped frame, the swing rod is rotatably connected with the rotating shaft by taking the rotating shaft as a fulcrum, and one end of the swing rod with a short arm of force is fixed with the bending roller. According to the bending device, the distance between the two bent arcs of the arc-shaped frame is not changed, the precision of the relative distance between the two bent arcs of a product subjected to bent arc forming is ensured, the swing rod forms a labor-saving lever with the rotating shaft as the fulcrum, and more labor is saved when a technician conducts plate forming in a bare-handed mode.

The present application relates to plate parts multi-order adjustable shearing precision plastic forming technical field, specifically a kind of multi-order adjustable shearing forming equipment and method of plate parts with blade edge.It is based on rolling forming principle, motion execution mechanism carries out reciprocating linear motion under the drive of hydraulic cylinder, shearing forming mechanism is installed a group of different specifications of roller, roller specification increases along the processing direction in turn and roller is all driven wheel;Upper die plate is installed with pressing mechanism, ensure that plate does not move in the processing process;Lower die plate is installed with plate positioning mechanism, ensure the consistency of forming;To adapt to different plate thickness shearing deformation, lower die plate design continuous fine adjustment mechanism, realize the distance adjustment of upper die plate and lower die plate.The present application is a kind of local progressive shearing forming method, forming piece shearing deformation amount is continuously adjustable, forming force is small, roller is conveniently combined and used, can realize that the deformation organization is uniform and small, and the plate parts with blade edge with excellent performance processing.

The utility model relates to a portable shearing device which comprises specially-made scissors, a cam mechanism, a laser device and a straight-shank electric hand drill. The specially-made scissors comprise a shearing tool, a spring, a hinge shaft, a cam frame provided with a bearing, a fixing device provided with a laser device and a pressing plate connected with the straight-handle electric hand drill. According to the cutting device, the labor intensity of operators is reduced, fingers are completely prevented from being abraded, and meanwhile, the working efficiency of thin steel plate blanking and cutting is greatly improved. And the thin steel plate can be manually and accurately detached and sheared. The steel plate shearing machine is mainly used for shearing blanking and shearing forming of thin steel plates, the shearing quality and the shearing efficiency of the thin plates are improved, the labor intensity of bench workers is particularly relieved, manual and semi-automatic efficient shearing of the steel plates is achieved, and the blank of portable, semi-automatic and efficient operation in the steel plate blanking industry is filled.

The present disclosure provides a staged shearing and forming method for a T-bar cylindrical member, comprising: controlling a shear working surface of a shear spinning wheel in contact with a surface of a cylindrical member blank; controlling a circumferential rotation of the cylindrical member blank; controlling a working surface of a flow spinning wheel to be in perpendicular contact with a surface of the unsaturated I-bar cylindrical member and controlling the cylindrical member blank to be maintained in a circumferential rotational state; controlling the flow spinning wheel to thin one side of the unsaturated I-bar cylindrical member; controlling a fractal working surface of a fractal spinning wheel in contact with a top of the saturated I-bar structure; controlling a working surface of a flat spinning wheel to be in perpendicular contact with a surface of the Y-bar cylindrical member.

The present invention relates to a high-strength steel plate and a manufacturing method thereof, and more particularly to a steel plate having high strength, excellent shear formability, and a low yield ratio, and a manufacturing method thereof.

A process for internal and external shearing and spinning forming of a thin-walled conical part with high internal ribs includes: selecting an external shearing and spinning mandrel with a gradually thickening groove on the conical surface; feeding the mandrel along the outer conical surface contour line of the mandrel using a shearing and spinning wheel, and shearing and spinning a circular blank according to a preset negative deviation rate, so that the circular blank forms a conical part with a gradually thickening inner boss; selecting an internal shearing forming mold with a cavity consistent with the shape of the conical part and fixing the conical part in place; using the shoulder of the inner boss as the starting point of the shearing wheel, selecting an acute angle, and controlling the shearing wheel to shear and feed along the generatrix direction of the shearing forming mold according to a set shearing amount, forming a thin-walled conical part with an inner ring rib. This invention achieves the forming of a thin-walled conical part with an inner ring rib through external shearing and spinning and internal shearing forming, while improving the forming height and thickness uniformity of the inner rib.

The application relates to the technical field of pin shearing, in particular to an electronic component pin shearing and forming device, which comprises two bottom plates on the left side and the right side, the top end of the bottom plate is fixedly connected with a supporting rod, the top end of the supporting rod is rotationally connected with a front rotating disc, the bottom end of the front rotating disc is fixedly connected with a U-shaped rod, the other top end of the U-shaped rod is fixedly connected with a rear rotating disc, the axis lines of the front rotating disc and the rear rotating disc are on the same straight line, the electronic component pin shearing and forming device can simultaneously shear multiple pins, adjust the length of shearing, increase the shearing efficiency, ensure the vertical shearing of the upper cutter and the lower cutter on the pins at different angles, simultaneously and synchronously shear the pins by the upper cutter and the lower cutter, effectively avoid the uneven distribution of shearing force on the pin shearing surface, thereby avoiding the bending phenomenon caused by the uneven stress near the shearing surface, and reducing or avoiding the bending of multiple pin shearing surfaces, so that the welding points are not on the same plane.

This utility model provides a material ejection mechanism for a semi-shear forming mold and a semi-shear forming mold, belonging to the field of mold technology. The material ejection mechanism includes an inner ejector block, which is movably disposed within the forming cavity, and the direction of movement of the inner ejector block is along the opening and closing direction of the mold. A force transmission rod is provided on the inner ejector block, one end of which penetrates through the top of the forming cavity; an elastic element is also provided between the bottom of the inner ejector block and the forming cavity. This mechanism can assist in the ejection of the semi-shear forming mold, thereby reducing product defects in semi-shear forming processing and improving the product qualification rate.