9results about How to "Improve riveting quality" patented technology

The present application relates to a kind of screw riveting punch dies of air conditioner chassis, for air conditioner chassis with screw in one end, the mould includes upper clamp plate, upper stripper, riveting punch, lower die plate, riveting matrix, lower backing plate, elastic support and lower die holder;The upper stripper is equipped with the positioning groove matched with air conditioner chassis, the positioning groove is equipped with punch through hole in the position corresponding with screw on air conditioner chassis, the riveting punch is located in punch through hole, and the end away from lower die plate is abutted to upper clamp plate;The lower die plate is equipped with matrix through hole in the position opposite punch through hole, the riveting matrix is located in matrix through hole, and the end away from upper stripper is abutted to lower backing plate, the riveting matrix is equipped with the mounting hole matched with screw, the elastic support is fixed on lower die holder, and the telescopic end of the elastic support is abutted on air conditioner chassis.Compared with prior art, the present application has the advantages of riveting efficiency and quality etc.

This invention provides a nickel starting sheet lifting lug processing device, including a guide rod. Two rivet head bodies are detachably mounted at one end of the guide rod along its length. Each rivet head body includes a rod portion and an end portion with a quadrangular prism structure. The end portion includes a first end face and a second end face forming an isosceles triangle, which are opposite to each other. The base angle of the first end face is smaller than that of the second end face. Each side of the first end face has a side end face with a triangular structure. This invention sets the end portion of the rivet head body into a quadrangular pyramid structure, which can effectively prevent the rivet head neck from breaking due to large tension changes between the nickel sheet rivet holes during riveting, thus effectively improving riveting quality and extending the service life of the rivet head. A guide groove is provided between the end portion and the rod portion to effectively prevent the nickel sheet from breaking due to pressure from the rod portion during flanging. The structure is simple and the cost is low.

The utility model relates to hydraulic cylinder lower cover plate processing technical field especially relates to hydraulic cylinder lower cover plate riveting mould, including lower mould plate, still including lower fixed plate, the top of lower mould plate is provided with lower fixed plate, and the lower mould plate installs the lower mould corresponding with work piece, the lower mould plate still installs the lower punch corresponding with work piece, the top of lower fixed plate is provided with lower backing plate, and the lower backing plate is provided with stripping mechanism, the top of stripping mechanism is provided with upper mould plate, and the spacing component is arranged between lower mould plate and upper mould plate, and the top of upper mould plate installs upper fixed plate, and the bottom of upper mould plate is provided with riveting assembly, the utility model discloses through the upper mould and lower mould of accurate cooperation, ensure that the die is accurate and unbiased in the stamping process, effectively promote the riveting quality of hydraulic cylinder cover plate, and the design of stripping mechanism makes the cover plate after opening die can automatic ejection, avoids the possible deformation or scratch, and the whole assembly process is simple to operate, and the positioning is accurate and reliable.

This utility model relates to the field of vehicle frame crossbeam riveting technology, and provides a vehicle frame crossbeam riveting positioning structure, including: a worktable; a first moving component disposed on the worktable; a second moving component disposed on the first moving component; a first hydraulic cylinder mounted on the second moving component; a rotating component disposed on the output end of the first hydraulic cylinder; and a riveting bracket mounted on the rotating component. The vehicle frame crossbeam riveting positioning structure provided by this solution solves the problems of inaccurate positioning, limited movement range, and inflexible angle adjustment caused by the use of manual pushing devices in existing devices. Furthermore, the introduction of a hydraulic cylinder improves the pressing force and control precision, ensuring a stable and reliable pressing process for heated screws, and significantly improving work efficiency and the adaptability of the device.

The application discloses a chain riveting tool and a riveting method, and solves the problems of low efficiency and high operation difficulty of chain link riveting in the prior art, and has the beneficial effects of ensuring product quality and simple operation, and the specific scheme is as follows: a chain riveting tool, comprising a shell, a pressure head and an end flange, the shell is provided with a groove, the shell is provided with an opening at the side of the groove, the opening is connected with a power source, the pressure head is arranged in the groove of the shell, the depth of the groove is greater than the thickness of the pressure head, one end of the pressure head is arranged towards the opening, the other end of the pressure head is provided with a convex part, the convex part can be clamped into a first recess part of the end part of the chain link pin, the maximum width or diameter of the shell is greater than the maximum width of the chain link plate, the shell and the end flange are connected through locking pieces, the locking pieces are arranged around the chain link, the power source is provided to the shell through the opening, and the power source drives the pressure head to move towards the chain link to realize riveting of the chain pin and the chain plate.

Embodiments of the present application provide a riveting control method and device. The method comprises: receiving pre-pressing process data corresponding to a target riveting process, the pre-pressing process data being used to represent a relationship between a force state, a displacement state or at least two of the riveting tool in the pre-pressing stage; determining at least one characteristic position used to represent a preset mechanical state of the riveting tool based on the pre-pressing process data; determining at least one size parameter of a riveting object based on a positional relationship between the characteristic position and a reference position, the reference position being obtained based on an empty riveting operation in a no-load state, and the riveting object at least including a rivet and / or a connected piece; and adjusting at least one riveting process parameter corresponding to the target riveting process based on the size parameter. By identifying the characteristic position in the pre-pressing process data and combining the empty riveting reference position, the actual sizes such as the plate thickness and the rivet length are obtained, so as to dynamically adjust the riveting parameters, and the riveting quality is effectively improved.

The utility model relates to rivet pressing equipment which comprises a rivet pressing mechanism, a rivet pressing mechanism, a rivet pressing mechanism and a rivet pressing mechanism, wherein the rivet pressing mechanism is used for pressing and riveting a rivet onto a product to be pressed and riveted to form a pressed and riveted product; the rivet pressing mechanism comprises a rivet pressing lower die, a rivet pressing upper die and a servo electric cylinder, and a pressure sensor is arranged in the servo electric cylinder; the loading and unloading mechanism is used for placing a to-be-riveted product and taking out the riveted product by an operator; the material moving mechanism is used for moving the to-be-riveted product from the feeding and discharging mechanism to the riveting mechanism and moving the riveted product from the riveting mechanism to the feeding and discharging mechanism; the rivet bin is used for storing the rivets and is provided with a discharging opening used for outputting the rivets; the rivet feeding mechanism is used for taking out the rivets from the rivet bin and transferring the rivets to the rivet pressing mechanism; the control system is used for controlling the rivet pressing mechanism, the feeding and discharging mechanism, the material moving mechanism and the rivet feeding mechanism. According to the utility model, the servo electric steel is used as power, and the riveting pressure and the output displacement can be accurately controlled, so that the riveting quality is improved.

The riveting jig with the rotating structure comprises a rotating base, a riveting rotating disc and a hydraulic cylinder, a stepping motor is arranged in the center of the bottom of the rotating base, the riveting rotating disc is connected to the top of the rotating base in a rotating mode, a connecting rotating table is arranged in the center of the bottom of the riveting rotating disc, and the hydraulic cylinder is arranged on the connecting rotating table. Six rivet placing holes are evenly distributed in the outer ring position of the top of the rotating base, fan-shaped rotating avoiding grooves are formed in the positions, located below the rivet placing holes, of the bottom of the rivet pressing rotating disc, bottom locking bolts are connected into the rotating avoiding grooves through threads, and rotating supporting plates are rotationally connected into the rotating avoiding grooves around the bottom locking bolts; according to the multi-station feeding device, feeding can be conducted on multiple stations at the same time, the working efficiency is improved, a part to be riveted and pressed is accurately positioned, and the machining quality is improved.

The utility model discloses an automatic riveting machine centering device applied to continuous production of strip steel color coatings, and relates to the technical field of strip steel color coatings. The riveting machine comprises a workbench, a riveting machine body is fixedly installed on the upper surface of the workbench, two gear seats are fixedly connected to the upper surface of the workbench, centering mechanisms are arranged on the two gear seats, the two sets of centering mechanisms are arranged on the left side and the right side of the riveting machine body respectively, and the centering mechanisms are used for conducting centering work on strip steel. After the air cylinder is started, the two racks can be driven to move in the opposite or back-to-back direction, so that the two side push plates are driven to get close to each other or get away from each other, strip steel is centered when the two side push plates get close to each other, the strip steel does not need to be centered manually, and the production efficiency is improved. The centering device of the automatic riveting machine is simple in structure, labor-saving in centering work between the two pieces of strip steel, accurate and efficient in centering, capable of guaranteeing the riveting quality of the strip steel and capable of improving practicability of the centering device of the automatic riveting machine.