6results about How to "Solve indentation" patented technology

The utility model discloses a kind of forming die of automobile longitudinal beam roll-pressing outer web surface without indentation, can gradually process and manufacture into U-shaped beam with strip steel, this set of die is composed of sixteen pass roller groups, first fix web surface, then gradually roll-pressing into 90 degrees by gradually changing from 0 ° to wing surface, then overbend stress relief, finally wing surface is shaped at 90 degrees.Changing the traditional practice that the inner vertical surface of upper web surface roller is a line, on the basis of guaranteeing roll shape effect, the inner vertical surface of upper web surface roller in different pass is staggered in layers, fundamentally solve the problem that indentation is formed in the same position of the outer cylindrical surface inner side surface of upper web surface roller repeatedly roll-pressing the web surface of U-shaped beam.

This invention belongs to the field of bipolar plate testing technology, specifically an automatic perforation testing device for hydrogen production bipolar plates. It includes a support base with an adjustable height frame on top; a load-bearing device on top of the adjustable height frame for holding the bipolar plate; and a rotating component located at the axis on the upper surface of the load-bearing device for twisting the bipolar plate. The load-bearing device includes a metal frame with fixing rods evenly inserted into its inner wall. This device can replace manual testing. Through a scanning component at fixed points, it twists the clamped and rotating bipolar plate, thereby detecting the flatness of the perforations on the outer surface of the bipolar plate. To ensure accuracy, the rotation speed and number of rotations of the bipolar plate can be controlled, ensuring the scanning component can perform a comprehensive inspection of the bipolar plate and avoiding missed or incorrect measurements.

The utility model discloses a clamping mechanism for special-shaped pipe fitting processing, which relates to the technical field of special-shaped pipe fitting clamping appliances and comprises a double-layer supporting table, two shells are mounted at the upper end of the supporting table, hydraulic grooves are longitudinally mounted at close ends of one sides of the two shells, a plurality of hydraulic pipes are mounted in the hydraulic grooves, and sliding strips are mounted at two ends of the shells respectively. According to the flexible clamping device, through cooperation between the rubber plate and the push table, flexible clamping is achieved, the problems that traditional special-shaped surface contact is prone to causing stress concentration or slipping, and clamping damage or indentation can be caused are solved, clamping stability is improved, and the metal surface is protected; and through cooperation of the spring, the push table and the rubber plate, the clamping mechanism adapts to multiple specifications and sizes, the problem that the clamp customization cost is increased due to the fact that a traditional clamping mechanism cannot be compatible with the multiple specifications and sizes is solved, and the product compatibility is improved.

This utility model discloses a non-marking bending device for a bending machine, relating to the field of sheet metal processing technology, aiming to solve the problem of indentation easily generated by traditional bending processes. It includes an adaptive bending table and a bending cutter. The adaptive bending table includes a base with symmetrical arc-shaped grooves at its top. Arc-shaped protrusions are connected within the grooves, and the tops of the protrusions are connected to movable plates. The bending cutter head is located directly above the contact point between the two movable plates. The arc-shaped grooves and protrusions are concentric and compatible. The contact point between the movable plates has rounded corners. The base and both sides of the protrusions are connected to springs via pins, with the pins eccentrically connected to the protrusions. A positioning plate is mounted on the top of the movable plates to form a work station area. During bending, the cutting cutter presses down, driving the movable plate to deflect, achieving non-marking bending of sheet metal parts. Springs assist in resetting, and the positioning plate ensures accuracy, combining non-marking processing, precise positioning, and efficient operation.

The utility model relates to the technical field of stamping, in particular to stamping equipment used for stamping a keyboard key area. Comprising a rough punching die and a fine punching die. The rough punching die comprises a rough punching module and a first static die module; the rough punching module is provided with a first punching part and a first profiling convex part, the first punching part is arranged on the surface of the rough punching module in a protruding mode, the first profiling convex part is arranged on the periphery of the first punching part, the first punching part is provided with a first punching through hole, and a material pressing convex part is arranged on the edge of the first punching through hole; the die further comprises a fine stamping die set and a second static die set, the fine stamping die set is provided with a second stamping part and a second profiling convex part, the second stamping part is arranged on the surface of the fine stamping die set in a protruding mode, the second profiling convex part is arranged on the periphery of the second stamping part, and the second stamping part is provided with a second stamping through hole. According to the stamping equipment, generation of indentations can be reduced or even avoided, the production cost is reduced, and the product competitiveness is improved.

The utility model relates to a jacking positioning mechanism which comprises a jacking end which is arranged under a target position and can vertically ascend and descend, a first positioning assembly and a second positioning assembly which are connected with the jacking end, the first positioning assembly and the second positioning assembly respectively comprise a first positioning end and a second positioning end which can move in the direction perpendicular to the jacking direction, and the first positioning end and the second positioning end are oppositely arranged. The jacking positioning mechanism further comprises a third positioning assembly and a fourth positioning assembly, the third positioning assembly and the fourth positioning assembly respectively comprise a third positioning end and a fourth positioning end, the moving directions of the third positioning end and the fourth positioning end are orthogonal to the first positioning end, and the third positioning end and the fourth positioning end are oppositely arranged. The four positioning ends are located at the same horizontal height when the mechanism is in a positioning state and abut against the four edges of the rectangular plate correspondingly. According to the jacking and positioning mechanism, due to the adoption of the structural combination, synchronous, flexible and equal-height limiting of the four edges of the plate can be achieved in the jacking process, indentation and damage caused by clamping concentrated force are effectively avoided, and the adaptability and positioning stability of the high-precision plate are improved.