10results about How to "Improve workpiece quality" patented technology

The invention discloses a multi-view vision hole site measuring method and device for a structural part, and relates to the technical field of multi-view vision. In order to solve the technical problems that an existing hole site detection method is insufficient in detection precision, low in detection efficiency, incapable of achieving comprehensive detection and unstable, the technical scheme provided by the invention includes that the multi-view vision hole site measurement method for the structural component comprises the following steps: loading a feature template image of a workpiece hole site, calculating similarity by using an image gradient field, and positioning the central position of a hole site from the workpiece image; a step of calibrating the position offset of the camera by using the correction target; according to the camera position, the light source condition and the image data of the hole site, the accurate coordinate position of the hole site of the workpiece in the three-dimensional space is calculated through a three-dimensional reconstruction method; and converting the three-dimensional coordinate data in the equipment coordinate system into a workpiece coordinate system. The method is suitable for being applied to the work of multi-view vision hole site measurement of the structural member.

The utility model relates to the technical field of machining positioning, and discloses a positioning mechanism for workpiece machining of a numerical control machine tool, which comprises a numerical control machine tool body, a clamp arranged at the top of the numerical control machine tool body, and a positioning adjusting mechanism arranged at the bottom of the clamp. When the angle needs to be locked, the user can rotate the adjusting sleeve, the adjusting sleeve is in threaded connection with the threaded base, and the lantern ring rises along with rotation of the adjusting sleeve, so that the angle needs to be locked. When the clamp is used, a plurality of locking rods on the clamp are inserted into the corresponding locking holes respectively, so that the angle of the adjusting plate is stabilized, accurate positioning and stability of the clamp are ensured, the flexibility and adaptability of the clamp are improved, high-precision positioning can be kept under various machining conditions, and the machining efficiency and the workpiece quality are improved.

The utility model relates to a sealing device for keeping continuous operation of a workpiece in liquid, which comprises a rectangular groove body with two open ends at the upper part and small rectangular groove bodies arranged at the two open ends at the upper part of the rectangular groove body, the two ends of each small rectangular groove body are open ends, and clamping grooves are arranged in the small rectangular groove bodies and at the two open ends. Sealing devices for dividing the small rectangular groove body into at least four grids are arranged in the clamping grooves, a plurality of sealing devices form a sealing array, liquid collecting and deformation preventing devices are arranged among the sealing devices, and each sealing device is rectangular and is formed by fastening three layers of plates through screws; the three-layer plate comprises a left sealing backup plate on one side, a right sealing backup plate on the other side and a seal located between the left sealing backup plate and the right sealing backup plate, a round hole is formed in the middle of the three-layer plate, and a bar workpiece penetrates into the round hole in the middle of the sealing device of the small rectangular groove body on one side to enter the rectangular groove body. And the workpiece penetrates out of the middle round hole of the sealing device of the other small rectangular groove body, so that the sealing requirement of continuous operation of the workpiece in liquid is met.

This utility model discloses a material filtering device for an injection molding machine, including a filter cylinder. The filter cylinder has multiple inclined filter screens arranged from top to bottom inside. The filter cylinder has a standard material outlet that connects to the bottom of the lowest filter screen, and the standard material outlet is connected to a vertically downward feeding pipe. The bottom of the filter cylinder has a suction pipe, and the top of the filter cylinder has a strip-shaped feed inlet. Ionizing air bars are installed on both sides of the feed inlet in the upper part of the inner cavity of the filter cylinder. The suction pipe is connected to an external negative pressure fan. This utility model uses ionizing air bars to generate ions to eliminate static electricity in the plastic particles, thus preventing fine particles and dust from adhering to the plastic particles and mixing into the injection molding machine. The negative pressure adsorption also removes dust and debris generated during the collision of the plastic shell, preventing fine particles from causing uneven melt flow or surface pitting.

The utility model discloses a special spinning roller for an automobile hub spinning machine, which comprises a connecting shaft and a roller body, one end of the connecting shaft is connected with a connecting disc, three groups of splicing blocks are mounted on the outer side of the connecting disc, one end of the roller body is provided with three groups of shells and splicing grooves, and the shells are connected with the splicing grooves. Splicing holes are formed in the three splicing blocks; by arranging the groove structure with the three sets of splicing grooves, three sets of splicing blocks matched with the groove structure can be conveniently preset on the connecting disc and used for rapidly calibrating and splicing the connecting position of the spinning roller, splicing holes formed in the splicing blocks are made to be accurately aligned with fixing pieces in screw holes, the bolt fastening accuracy and stability are improved, and the production efficiency is improved. And the annular shock pads are arranged and matched with the butted splicing blocks for buffering, so that a buffering structure is formed, vibration and noise in the spinning process are reduced, and the spinning stability and the workpiece quality are improved.

The utility model relates to hot stamping technical field discloses a kind of hot stamping positioning tool for automobile injection molding, including mounting seat, locating seat, locating seat is fixedly installed on mounting seat, mounting seat is located on drive seat, and mounting seat is driven by drive device;Locating seat is provided with clamping assembly, clamping assembly, buffer assembly, clamping assembly is arranged in the both sides end of locating seat, clamping assembly is arranged in the side of locating seat, and buffer assembly is arranged on clamping assembly;The utility model is raised by clamping, clamping, buffer assembly cooperation, and improves hot stamping stability and workpiece quality, clamping assembly is limited workpiece end with the clamping end head of the both sides of locating seat, and inside clamping convex head increases friction force to prevent horizontal displacement;Clamping assembly is adjusted clamping lever angle by swivel lever and sleeve embedded connection, and longitudinal fixation is realized by adhering workpiece top, buffer assembly is provided with buffer convex head in clamping lever end head, and built-in telescopic rod and spring, absorb impact, adjust pressure, avoid workpiece indentation, satisfy high-precision processing demand.

The application discloses a feeding device for a centerless grinding machine, which comprises a base, a moving plate slidingly arranged on the base through a guide component, a discharging assembly and a feeding assembly fixedly installed on the moving plate, a moving driving element arranged on the moving plate, a connecting table arranged on one side of the base, and one end of the moving driving element connected to the connecting table; the moving driving element is an electric cylinder; through the arrangement of the moving driving element and the guide component, the movement of the moving plate can be accurately controlled through the electric cylinder, the relative position of the feeding device and the centerless grinding machine is adjusted, the feeding position of the centerless grinding machine is efficiently adjusted, and the machining efficiency and the workpiece quality of the centerless grinding machine are improved.

The utility model relates to the technical field of conveying, in particular to a chain type conveying device. A working disc is installed on the machine frame, a driving mechanism and a driven mechanism are installed in the working disc, the driving mechanism and the driven mechanism are connected through a large-pitch traction chain, a plurality of tool tray mechanisms are installed on the large-pitch traction chain, and a detection mechanism for detecting work is installed on the working disc. A chain supporting block matched with a large-pitch traction chain is installed on the bottom face of the tool plate, and a plurality of tool trays are installed on the plate face of the tool plate. A plurality of supporting seats matched with workpieces are installed on the periphery of the plate face of the supporting plate, and a plurality of positioning pins are installed in an area defined by the supporting seats. The device is used in the conveying and assembling work site of heavy objects. And a positioning pin and a supporting seat are arranged on the tool plate, and the workpiece is supported and limited at the same time so as to meet the precision requirement when the workpiece is in butt joint with the next sequence. And a group of safety light curtain and an anti-pinch protective plate are added, so that the device is safe and reliable, and the working condition is dynamically observed in real time during automatic operation.

The utility model relates to injection mold technical field, and disclose injection mold with inclined ejection mechanism, and injection mold adopts the demoulding structure of inclined ejection, and inclined ejection support follows drive link seat and carries out lifting displacement work, and in the mould opening process, the efficient and fast inclined ejection separation work can be carried out to the workpiece after forming through the inclined lifting of inclined ejection support, and the simple structure is reliable in work, and adopts the heat dissipation auxiliary structure of initiative, and the inclined ejection support is as gas supply communication structure, and after mould closing, the docking of upper docking end pipe and upper docking end hole of forming die holder can realize the working communication of the communication air passage in forming die holder, and the cooling efficiency of forming die holder and inclined ejection support can be effectively improved through external initiative gas supply, and the cooling time of mould can be effectively shortened while facilitating the lifting demoulding work of inclined ejection support, and the mould processing efficiency and the improvement of the quality of workpiece after forming are beneficial.

This invention relates to the field of plastic boat manufacturing technology, and discloses a hot-pressing bending forming machine for the trough-shaped midsection of a plastic boat hull. It includes a base plate and a lower mold fixed to the upper part of the base plate. An upper mold structure is located directly above the lower mold on the base plate. A sheet heating component and a sheet positioning structure are also provided at the upper end of the base plate. Two feeding rollers are installed at the top of the lower mold. The sheet heating component includes side plates fixed to both sides of the top of the base plate. A movable frame and a first lead screw that drives the movable frame to slide left and right are slidably arranged between the two side plates. A bracket is fixed to the upper end of the movable frame, and a first cylinder is fixed to the top of the bracket. A lifting plate is installed on the output end of the first cylinder. Vertical rods slidably connected to the movable frame are fixed to both sides of the bottom of the lifting plate, and connecting parts are fixed to the lower ends of the vertical rods. This invention has the following advantages and effects: it can automatically heat and position both sides, resulting in higher finished product quality.