25results about How to "Improve workpiece quality" patented technology

The invention relates to the technical field of path planning, and discloses a laser fuse additive manufacturing thermal management path planning closed-loop regulation and control system, which comprises a data acquisition module, a data processing module, a temperature distribution prediction module and a path planning regulation and control module, acquiring temperature distribution characteristic data and first characteristic data; the data processing module is used for preprocessing the temperature distribution feature data and the first feature data to obtain a regional feature sequence; the temperature distribution prediction module is used for constructing a temperature distribution prediction model according to the regional feature sequence; and the path planning regulation and control module is used for generating a regulation and control scheme in combination with the improved parrot optimization algorithm and the temperature distribution prediction model. Through combination of temperature prediction, path optimization, multi-dimensional feature extraction and an improved optimization algorithm, global optimization and dynamic regulation and control of the processing process are realized.

The invention belongs to the field of metal processing equipment, and particularly relates to a uniform stress type fixing device for metal calendering workpiece processing, which comprises a clamping chassis, the top of the clamping chassis is fixedly provided with a clamping assembly, and through the arrangement of structures such as the clamping assembly, the clamping flexibility and adaptability are obviously improved, and the clamping efficiency is improved. Firstly, the air cylinder push rod drives the movable base, then the synchronous rod system is driven, the function that the clamp is accurately adjusted in advance according to the size of a workpiece is achieved, efficient rolling operation can be conducted, and compared with a traditional clamping device, remarkable progress is made in the aspects of clamping stability and workpiece protection; according to the metal workpiece calendering device, the precision and efficiency of calendering machining are improved, the risk of workpiece damage caused by improper clamping is effectively reduced, and therefore a more reliable, efficient and practical solution is provided for calendering treatment of metal workpieces.

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 invention discloses an MEMS probe forming laser processing method in the field of semiconductors, and the method comprises the following steps: S1, measuring an included angle between a cutting channel I and a cutting channel II on a metal raw material through a microscope, and respectively measuring an overcut length A and an overcut length B in the direction of the cutting channel I and the direction of the cutting channel II; s2, the first cutting channel and the second cutting channel are extended and intersect at one point in cartographic software; s3, the value of the length A and the value of the length B are judged and compared, the larger value in the length A and the length B serves as the radius of a circle to draw a circle, and the circle is made to be tangent to the first cutting way and the second cutting way; and S4, an arc between the two points, tangent to the first cutting channel and the second cutting channel, of the circle is reserved, other arc lines of the circle are removed, and the arc is connected with the first cutting channel and the second cutting channel to serve as a complete corrected cutting channel. The corner over-cutting phenomenon during laser cutting is avoided, the machining efficiency and the workpiece quality are improved, and the process cost is low.

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 discloses a wire drawing device, and relates to the technical field of wire drawing. The fixing mechanism comprises a first fixing seat and a second fixing seat, and the first fixing seat and the second fixing seat are arranged on the base in a spaced mode; the rotating mechanism comprises a first rotating seat, a second rotating seat and a first rotating gear, one end of the first rotating seat penetrates through the first fixing seat, the first rotating gear is arranged at the other end of the first rotating seat, and one end of the second rotating seat penetrates through the second fixing seat; and the driving mechanism comprises a vertical driving assembly and a horizontal driving assembly, the vertical driving assembly is used for driving the horizontal driving assembly to rotate, and the horizontal driving assembly is used for driving the first rotating seat to rotate through the first rotating gear so as to perform wire drawing on the workpiece between the first rotating seat and the second rotating seat. The material turnover efficiency can be improved, so that the production efficiency is improved.

The invention relates to the technical field of movable column boring and milling machines, and particularly discloses a numerical control movable column boring and milling machine which comprises a movable column boring and milling machine base and two guide rails, and the two guide rails are arranged on the left side and the right side of the top end of the movable column boring and milling machine base correspondingly; a motor screw is connected to the front side of the top end of the movable column boring-milling machine base. The front end of the lead screw is locked at the output end of the motor through a coupler, and the rear end of the lead screw is rotatably arranged on the rear side of the movable column boring and milling machine base through a bearing. The device realizes real-time monitoring of the moving precision, the feeding position precision and the feeding speed of the moving column, so that the machining precision and the workpiece quality of a machine tool are remarkably improved, particularly in the machining field with high precision requirements, serious consequences caused by errors are effectively avoided, and meanwhile, the machining precision is improved by timely finding and correcting deviations. And the production cost and the time cost are reduced, the service life of equipment is prolonged, and a more stable and efficient machining solution is brought to the field of machining.

The invention discloses sealing glass for ferrite-dielectric ceramic heterogeneous integration and a preparation method of the sealing glass, and belongs to the technical field of electronic sealing materials. The sealing glass comprises SiO2 (silicon dioxide), ZnO (zinc oxide), Li2O (lithium oxide), Al2O3 (aluminum oxide), K2O (potassium oxide), P2O5 (phosphorus pentoxide), La2O3 (lanthanum oxide), Ce2O3 (cerium The preparation method comprises the following steps: carrying out ball milling on the components by taking alcohol and zirconium balls as media, and drying after ball milling to obtain dry powder; and melting the dried powder into molten glass, and sequentially quenching and drying to obtain the sealing glass. The sealing glass for ferrite-dielectric ceramic heterogeneous integration provided by the invention effectively solves the technical problems that glass in the prior art is difficult to meet the requirements of high thermal expansion coefficient, high-temperature sealing, narrow welding temperature window and the like; when the method is applied to the ferrite-dielectric ceramic heterogeneous integrated welding process, the welding interface can be clear, and the welding quality can be effectively 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 an object tailstock feeding device of a full-automatic window grinding machine, relates to the technical field of grinding machines, and solves the technical problems that an object tailstock feeding device of an existing grinding machine is insufficient in compatibility and cannot be matched with live centers of different models. Comprising a tailstock box body, a taper shank sleeve is installed in the tailstock box body, a live center is inserted into the taper shank sleeve, a front connecting disc is installed at the end, away from the tailstock box body, of the live center, and a plurality of jacking columns which are annularly and evenly distributed are installed on the side, away from the live center, of the front connecting disc; an oil cylinder connecting plate of an L-shaped structure is arranged in the direction of the side, away from the live center, of the tailstock box body, a sliding supporting mechanism used for supporting the tailstock box body is installed on the oil cylinder connecting plate, a double-shaft thin air cylinder is installed on the side wall, close to the top end, of the oil cylinder connecting plate, and the double-shaft thin air cylinder is used for driving the tailstock box body to move. According to the feeding device, the object tailstock can be conveniently matched and butted with live centers of different models, so that the compatibility of the feeding device for the object tailstock of the grinding machine is effectively improved.

The utility model relates to the technical field of additive manufacturing equipment, and discloses a parallel double-filter-element dust removal system for SLM (selective laser melting) equipment, an air outlet of a forming chamber is connected with a first filter module through an air outlet pipeline, the first filter module comprises an air purification chamber and a dust air chamber which are arranged up and down, the air purification chamber is communicated with a recovery pipeline, and the dust air chamber is communicated with the air outlet pipeline; a partition plate is arranged between the air purification chamber and the dust air chamber, at least one air vent penetrates through the partition plate, a filter element is arranged below the air vent, and the air purification chamber is connected with a back-blowing ash removal device which conducts back-blowing dust removal on the filter element through the air vent. The filter element in the first filter module can capture smoke dust in the inert gas, so that the smoke dust is blocked on the outer surface of the filter element, and the smoke dust is prevented from influencing the quality of a workpiece. When a certain amount of smoke dust is accumulated on the outer surface of the filter element in the first filter module, the filter element can be subjected to back-blowing dust removal operation through the back-blowing dust removal device, so that the smoke dust adsorbed on the outer surface of the filter element is removed.

The utility model belongs to the field of precision machining, particularly relates to an automatic grinding fluid adding structure, and aims to solve the problems that most of existing spray heads are fixedly arranged and are inconvenient to movably rotate, so that a workpiece cannot be completely treated in the removal amount machining process, the grinding fluid integrally contacted with the workpiece is not uniform enough, and the machining efficiency is high. According to the scheme, the device comprises a top plate, a rotating plate is arranged at the top of the top plate, and a liquid storage frame is fixedly arranged at the top of the rotating plate; the rotating mechanism is arranged on the top plate and used for driving the rotating plate to rotate; and the adding mechanism is arranged on the top plate and used for automatically adding the grinding liquid. When the grinding device is used, the spray head can be driven to rotate, so that grinding liquid can be uniformly sprayed to a workpiece in the grinding device, the whole workpiece can be completely treated, the machining effect is improved, and the quality of the workpiece is also enhanced.

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 invention provides an ultra-thin workpiece manufacturing and machining system and a machining method thereof, and relates to the technical field of machining, the ultra-thin workpiece manufacturing and machining system comprises a data acquisition unit used for acquiring parameter information of a to-be-machined workpiece, and the parameter information at least comprises length information, width information and height information; the data acquisition unit is electrically connected with the replacement device; the clamping assembly is arranged on the working face of the machine tool, and the clamping assembly is used for clamping a workpiece to be machined; the machining assembly is used for machining a workpiece to be machined; wherein the replacement device controls at least one of the clamping assembly and the machining assembly to execute replacement selection operation based on the parameter information so as to adapt to the to-be-machined workpiece, and by accurately controlling the clamping and machining processes, manual operation errors can be reduced, and the quality of the machined workpiece can be 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.

The present invention relates to the technical field of CNC machine tool processing, and in particular to a method for planning a processing path of a CNC machine tool. The method comprises the following steps: scanning the surface of a workpiece to be processed to obtain workpiece surface scanning data; performing surface topology analysis on the workpiece surface scanning data to obtain workpiece surface curvature data; performing workpiece surface perception based on the workpiece surface scanning data and the workpiece surface curvature data to obtain workpiece surface perception data; constructing a cutting force spatiotemporal dynamic model based on the workpiece surface scanning data and the workpiece surface perception data to obtain a cutting force spatiotemporal dynamic model; performing a cutting force spatiotemporal influence analysis based on the cutting force spatiotemporal dynamic model to obtain cutting heat energy and vibration data. The present invention improves processing quality and efficiency as well as processing accuracy and surface quality by analyzing the dynamic changes between the tool and the workpiece and the shape of the workpiece during the cutting process, and then correcting the local difference in tool radius.

The utility model discloses a cutter for a numerical control machine tool, which is characterized in that the side surface and the lower surface of a cutter holder are respectively provided with a limiting groove, a limiting plate is fixedly connected inside the limiting groove, one end of the limiting plate far away from the cutter holder is fixedly connected with a blade, the lower surface of the limiting plate is in threaded connection with a fastening bolt, and the upper surface of the cutter holder is provided with a mounting hole. A rotating rod is fixedly connected to the interior of the mounting hole, a locking hole is formed in the side surface of the tool apron, and a locking bolt is connected to the interior of the locking hole in a threaded mode, and through the devices, it is guaranteed that the blade is always kept at the correct position and angle in the machining process, and the blade is prevented from shifting or loosening in the machining process; and the machining precision and the workpiece quality can be improved.

A metal band sawing machine convenient for angle adjustment relates to the technical field of metal band sawing machines, and comprises a metal band sawing machine device, an angle deflection component is mounted in the metal band sawing machine device, two gear rings are mounted on the outer side surface of the angle deflection component, and the two gear rings are mounted on the outer side surface of the angle deflection component. A sawing machine frame is installed on the outer side surface of the angle deflection assembly, and two gear grooves are formed in the sawing machine frame. Through mutual cooperation of the rotating motor, the rotating shaft, the gear ring, the angle arc groove, the sawing machine frame, the clamping block, the clamping groove and the gear groove, the sawing machine frame drives the saw blade cutting system and the annular saw blade to conduct stable angle deflection, the stability of the saw blade cutting system and the annular saw blade in the cutting process is guaranteed, vibration and noise are reduced, and the cutting efficiency is improved. The cutting precision is improved, the angle adjusting process of the saw blade cutting system and the annular saw blade is more convenient and faster, the adjusting time is shortened, the production efficiency is improved, and manpower and material resources are saved.

The invention discloses a double-spindle tool arranging machine, which relates to the technical field of machining equipment, and comprises a workbench, a first motor and a vertical guide rail, a sliding block of the vertical guide rail is provided with a tool arranging mechanism, and the workbench is provided with a dust removal mechanism; the tool arranging mechanism comprises a cutter head and a plurality of cutters. Corresponding shifting rods are shifted according to tools needing to be disassembled, so that hinge rods drive two clamping blocks to retract into communicating grooves, positioning insertion blocks are separated from positioning grooves and retract into storage grooves, at the moment, the corresponding tools are pulled out of insertion grooves, and then the tools can be replaced or maintained; according to the device, the whole cutter head does not need to be replaced when the gang cutters need to be replaced, only the cutters needing to be replaced need to be independently replaced, the multiple cutters are arranged on the cutter head, the selection range of the cutters in the machining process is widened, the appropriate cutters can be selected according to different machining requirements, and the machining flexibility and adaptability are improved.

The invention provides a vacuum sintering furnace workpiece supporting device and a placement optimization method, and relates to the technical field of vacuum sintering furnace workpiece placement and heat transfer. A workpiece supporting device of a vacuum sintering furnace comprises a side supporting plate, a lower supporting plate, a clamping device, a temperature measuring device and a horizontal measuring device, the clamping device is designed to be an adjustable device and can adapt to tubular workpieces of different sizes, the temperature measuring device is moved, the temperature in the sintering process is monitored in real time, and it is ensured that the temperature in the sintering process is uniform; the infrared thermometer is connected with the air cylinder outside the furnace through the adjustable connecting rod, so that high-temperature returning can be realized, and the infrared thermometer is prevented from being damaged due to high temperature; according to the workpiece placement optimization method for the vacuum sintering furnace, an optimal workpiece placement mode is obtained by combining heat transfer theory simulation and a genetic algorithm, the influence of an internal supporting plate on workpiece temperature uniformity is reduced, and sintering efficiency is improved, energy consumption is reduced, and workpiece quality is improved.