503results about How to "Guaranteed grinding quality" patented technology

The invention discloses a metal rotating member constant-pressure grinding control device and method. The device comprises a grinding wheel, a grinding wheel driving motor, a workbench, a servo motor, a reducer, a frequency converter and a grinding control system. The grinding wheel is directly driven by the grinding wheel driving motor which is arranged on the workbench. The workbench is mounted on two linear guide rails. The lower portion of the workbench is further connected with a nut of a lead screw-nut transmission pair. A lead screw of the lead screw-nut transmission pair is driven by the servo motor and the reducer, and rotation of the servo motor is transmitted to the workbench through the lead screw-nut transmission pair. The frequency converter is connected with the grinding wheel and controls the rotation speed of the grinding wheel. A current sensor is arranged in the position of an input power source of the grinding wheel driving motor and samples working current of the grinding wheel driving motor according to a set time period. The convergence of parameters can be better controlled, and meanwhile the device and method have the advantages of being more stable in control and better in grinding quality.

The invention relates to a pipe inner wall grinding and polishing device. The pipe inner wall grinding and polishing device comprises a drawing rod (8), wherein a centering bracket (7) is arranged at the front end of the drawing rod (8); three second adjustable wheels (10) are arranged at the periphery of the centering bracket (7) uniformly; a bracket seat (5) is arranged on the centering bracket (7); the front end of the bracket seat (5) is hinged to a swinging bracket (2); a power part (3) is arranged at the front end of the swinging bracket (2); a grinding wheel (1) is arranged at the output end of the power part (3); a jacking part (4) is arranged in the middle of the swinging bracket (2); a first adjustable wheel (9) is arranged at the output end of the jacking part (4); a swinging bracket swinging angle limiter (6) is fixedly arranged at the rear end of the swinging bracket (2). The pipe inner wall grinding and polishing device provided by the invention improves the grinding or polishing efficiency and can effectively control the pressing force to the pipe inner wall so as to guarantee the final grinding or polishing quality.

The invention discloses a ceramic cutting device, and belongs to the technical field of cutting equipment. The ceramic cutting device comprises a support, a plurality of supporting feet, a cutting table, a guide rail, a cutting machine and a water spray device. The supporting feet are connected with the support and used for supporting the support to keep horizontal. The cutting table is fixed to the support. The guide rail is arranged above the cutting table. The cutting machine is arranged on the guide rail in a sleeving manner and can move left and right relative to the guide rail. Through the fixed guide rail and the cutting machine arranged on the guide rail in the sleeving manner, the cutting machine can only move along the guide rail, and the cutting quality is guaranteed; and meanwhile, a grinding wheel matched with a cutting wheel is arranged, and a cut cutting opening is ground in the cutting process. Due to the fact that the grinding wheel is fixedly arranged relative to the cutting wheel, the consistency of the grinding degree is guaranteed, and the grinding quality is guaranteed. The ceramic cutting device is simple in structure and convenient to operate, cutting and grinding can be achieved at the same time, the production efficiency is improved, and the production cost is lowered.

The invention relates to the technical field of soil sample screening-grinding equipment, particularly to a soil analysis sample screening-grinding movable all-in-one machine for laboratory analysis. The technical scheme of the machine is that the movable all-in-one machine includes a machine body, a feeding treatment system, a grinding system and a classified screening system, wherein the machine body is formed by a cuboid box body; a feeding treatment system is arranged at the upper part of the side wall of the box body; the classified screening system is positioned at the middle lower part of the box body; the grinding system is positioned at the middle upper part of the box body and is arranged in the middle part. Tests show that the all-in-one machine can one-step pulverize soil into particles not larger than 2 mm in diameter and counting for 85% above, and one-step pulverize soil into particles not larger than 0.15 mm in diameter and counting for 65% above, and the screening yield is 100%. The machine has the advantages that the obtained materials are common, the operation is simple, high quality and efficiency are realized, no pollution to a soil sample is caused, and the result is reliable.

The invention relates to a workpiece grinding machine of a numerical-control electric spark machine tool. The workpiece grinding machine of the numerical-control electric spark machine tool comprisesa base plate, a fixing device, an inner wall grinding device and an outer wall grinding device. The fixing device and the inner wall grinding device are sequentially installed on the base plate from left to right. The outer wall grinding device is installed on the back side of the base plate. The inner wall grinding device comprises a fixing plate, a rotating motor, a rotating column, sliding blocks, limiting frames, telescopic rods, springs, adjusting air cylinders and first steel wire brushes. The outer wall polishing device comprises a lifting frame, a rotating motor, a rotating column, a cam, connection sliding blocks, connection frames, guide rails and second steel wire brushes. The workpiece grinding machine of the numerical-control electric spark machine tool can solve the problemsthat in an existing annular workpiece grinding process, the labor cost is high, the labor intensity is high, the work efficiency is low, the grinding difficulty is large, and the adjustability is poor; the automatic grinding function on the annular workpiece can be achieved; and the workpiece grinding machine of the numerical-control electric spark machine tool has the advantages of being low in labor cost, low in labor intensity, high in work efficiency, small in polishing difficulty, good in adjustability and the like.

The invention discloses a manufacturing method of an electroplated grinding wheel of an ordered structure. The method includes: adopting a pulse laser beam to process a fine spiral groove with the pitch of hundreds of micrometers and the notch size of dozens of micrometers in the working surface of the outer annulus of a grinding wheel base body made of metal, filling the groove with epoxy resin, and enabling the metal and the epoxy resin on the working surface of the outer annulus of the grinding wheel base body to be in spiral regularly-spaced layout; then electroplating the working surface of the outer annulus of the grinding wheel base body with abrasive grains by adopting an electroplating method. Since the groove is filled with the non-conductive epoxy resin, the region cannot be electroplated with the abrasive grains. By the steps, the electroplated grinding wheel with the abrasive grain layer and the epoxy resin being in spiral regularly-spaced layout can be obtained. The manufactured electroplated grinding wheel of the ordered structure is in favor of solving the problems that the grinding wheel is blocked easily during grinding and grinding fluid cannot enter the grinding region easily, workpieces can be prevented from being burnt, and the grinding quality is improved.

The invention relates to a numerical control fine-grinding quality control method of a rail welding joint; longitudinal temperature and flatness data of a welding joint region are obtained through on-line actual measurement, a flatness curve measured actually is converted into the flatness curve corrected by temperature and removing temperature effect according to the relation of temperature change and rail flatness variation, and the parameters such as grinding position, range, feed rate and the like can be calculated by the corrected flatness curve, the fine-grinding process can be automatically and flexibly controlled by a programmable logic controller according to the calculated fine-grinding parameters, and the corrected flatness curve of the rail joint after each fine-grinding is measured again, the fine-grinding parameters are reset to perform next round of fine-grinding, until the measured corrected flatness curve meets the standard requirements. The method can perform automatic whole-course fine-grinding to the rail welding joint ground coarsely, the fine-grinding process has high automation degree and low fine-grinding cost, the welding joint ground finely has smooth appearance and good flatness, and no depressed joint can be ground; the method is convenient for data traceability, analysis and responsibility.

The invention discloses a damage-free detection special pipeline automatic oxide skin polishing device and a method of the damage-free detection special pipeline automatic oxide skin polishing device. The problems that damage can be caused to a pipeline wall due to manual polishing and the efficiency is low are solved. The automatic oxide skin polishing device comprises at least two sets of annular guiding rails which are arranged outside a pipeline to be detected in a sleeved mode, a door-shaped polishing frame, a horizontal sliding device and a polishing machine. The door-shaped polishing frame is installed on the annular guiding rails and rotates in the circumferential direction along the pipeline to be detected. The horizontal sliding device which can move back and forth relative to a beam is installed on a beam of the door-shaped polishing frame. The polishing machine is installed on the horizontal sliding device through an elastic connecting part and driven by a motor. When the polishing machine works, the elastic connection part can make a polishing wheel of the polishing machine keep in contact with the face, to be polished, of the pipeline to be detected. According to the damage-free detection special pipeline automatic oxide skin polishing device and the method of the damage-free detection special pipeline automatic oxide skin polishing device, the pipeline can be polished automatically, polishing quality is ensured, potential safety risks are eliminated, labor intensity of workers is reduced and working efficiency is improved.

The invention discloses a robot polishing device. The robot polishing device comprises a feeding device, a vision device, a feeding/blanking robot, a polisher robot, a polishing platform, a classified conveying device and a control system, wherein the feeding device is used for conveying a work-piece to a working region of the vision device; the vision device acquires position information and outline information of the work-piece and conveys the position information and the outline information to the control system; the control system controls the feeding/blanking robot to place the work-piece on the polishing platform according to the position information, controls the polisher robot to polish the work-piece according to the outline information, and controls the feeding/blanking robot to move the polished work-piece to the classified conveying device; the classified conveying device classifies and outputs the polished work-piece. The robot polishing device disclosed by the invention is easy to control, and capable of realizing high-intelligent automatic polishing, high in production efficiency, and capable of guaranteeing the polishing quality and improving the production efficiency.

The invention discloses a method for solving a grinding track of an end tooth straight grain type flank surface of an integral flat-end end mill. The method comprises the following steps of: establishing the end tooth edge line of the integral flat-end end mill with tooth pass and tooth offset structural characteristics, and proposing an edge grinding model for the end tooth straight grain type flank surface. According to the model, the end face of the grinding wheel serves as a grinding face, the grinding quality can be guaranteed, the flexibility of grinding posture definition of the grinding wheel is achieved by adjusting technological parameters such as the swing angle and the lifting angle of the grinding wheel, and blade grinding interference is avoided.

The invention provides a double-side double-station force control belt sander and a polishing work station thereof. The double-side double-station force control belt sander comprises single-station polishing cabinets and a power output cabinet. The two single-station polishing cabinets are arranged. The power output cabinet is arranged between the two single-station polishing cabinets. Each single-station polishing cabinet comprises a polishing system composed of a polishing driving wheel, a polishing abrasion wheel, a polishing driven wheel and a polishing abrasion belt, wherein the polishingabrasion belt is arranged on the polishing driving wheel, the polishing abrasion wheel and the polishing driven wheel in a winding manner. Each single-station polishing cabinet further comprises a force control mechanism and a deviation rectifying mechanism, wherein the force control mechanism drives the polishing abrasion wheel to move linearly, and the deviation rectifying mechanism drives thepolishing driven wheel to swing around one side. The power output cabinet comprises a polishing motor and a transmission shaft. The polishing motor drives the transmission shaft to rotate. The two ends of the transmission shaft are connected with the corresponding polishing driving wheels. The polishing quality and efficiency of the belt sander are improved, sensitivity of force control is high, the polishing applicability is high, the polishing performance is reliable, the abrasion belts are convenient and fast to replace, and the manufacturing cost is low.

The invention discloses a clamping mechanism for a seal surface grinding unit of a valve, which comprises an operating handle, a first screw, a second screw, a synchronous interlocking member driving the first screw and the second screw to rotate simultaneously with the operating handle, as well as a first blocking member and a second blocking member which displace oppositely along the first screw and the second screw and used for clamping a valve flange; the second screw and the first screw have same structure, and are mutually parallel; a first central fixing seat is fixedly arranged in the middle of the first screw; and a second central fixing seat is fixedly arranged in the middle of the second screw. When in use, the clamping mechanism for the seal surface grinding unit of the valve can guarantee the grinding quality, reduce the maintenance workload, and low the maintenance cost by employing the structure.

The invention discloses a high-efficiency Chinese medicinal material grinding device. The high-efficiency Chinese medicinal material grinding device comprises a base. A storage tank is arranged on theupper side of the base. A filter screen is arranged at the upper end of the interior of the storage tank. Supporting plates are arranged at the left and right ends of the upper side of the base. A first motor is arranged in the middle portion of the left side of the supporting plate at the left end. A first connecting shaft is arranged on the right side of the first motor. A first connecting shaft is also arranged on the left side of the supporting plate at the right end. A grinding cavity is formed between the first connecting shafts. Second motors are arranged on the inner sides of the upper ends of the supporting plates. The upper side of each second motor is provided with a lead screw. A sliding block is arranged on each lead screw. A connecting cross rod is arranged between the sliding blocks. The lower side of the connecting cross rod is provided with a connecting frame. A connecting sleeve is arranged in the connecting frame. The lower side of the connecting sleeve is providedwith a connecting vertical rod. The lower side of the connecting vertical rod is provided with a connecting support. A grinding roll is arranged in the connecting support. The high-efficiency Chinesemedicinal material grinding device can be used for grinding Chinese medicinal materials effectively and conveniently, can effectively conduct vibratory screening and accordingly can effectively guarantee the grinding efficiency and the grinding quality.

The invention discloses a bearing inner and outer ring grinding device. The device comprises a supporting platform and supporting legs, the supporting legs are welded to the bottom of the supporting platform, a first groove is formed in a round plate, the inner wall of one side of the first groove is embedded with a first bearing, the inner part of the first bearing is in interference connection with a first threaded rod, a rectangular supporting plate is welded to the top surface of a T-shaped sliding block, a third bearing is inlaid at one end of the top surface of the rectangular supportingplate, the inner part of the third bearing is in interference connection with a fourth threaded rod, a second n-shaped mounting frame is welded to the top surface of the rectangular supporting plate,sliding grooves are formed in the inner walls of the two sides of the second n-shaped mounting frame, sliding blocks are arranged in the sliding grooves in a sliding mode, and a rectangular movable plate is integrally formed between the sliding blocks. According to the device, the inner rings and the outer rings of bearings with different sizes can be fixed conveniently, the grinding can be stabler, the use is flexible and convenient, the grinding is more sufficient, and the grinding quality is guaranteed.

The invention relates to a flexible polishing device comprising a material supply assembly, a polishing mechanical arm assembly, a polishing head assembly, a laser range finder, an abrasive wheel replacing assembly, a control console and a protective separation net. According to the flexible polishing device, a laser measuring instrument and the laser range finder are adopted to monitor the weld joint height of a workpiece and the diameter change of an abrasive sheet in real time correspondingly, and meanwhile a PLC control system online reregulates the polishing path of the workpiece according to all information and controls and adjusts the angles of polishing branch arms and the abrasive sheet and the polishing depth at the same time; and in this way, a qualified polished product is obtained, and on the premise of guaranteeing the polishing quality, the polishing efficiency is improved.

The invention discloses a belt sander. The belt sander comprises a base, wherein an X-axis workbench and a Y-axis workbench are arranged on the base, a rotating disk used for fixing a workpiece is arranged on the Y-axis workbench, more than one station is arranged on the rotating disk, a Z-axis support is arranged on the base, more than one sliding rail is vertically arranged on the Z-axis support, a Z-axis machining device is further installed on the Z-axis support and comprises a servo motor installed on the Z-axis support and a supporting table driven by the servo motor to move up and down on the sliding rail, a motor, a driving wheel driven by the motor, and a driven wheel driven by the driving wheel are installed on the supporting table, and the driven wheel is driven to rotate by the driving wheel through a sand belt. According to the belt sander, four-shaft linkage can be achieved, workpieces can be flexibly machined, a large part of side faces of the workpieces can be machined, machining efficiency is high, and the workpieces can be machined very conveniently.

The invention discloses a convenient and rapid environment-friendly stone polishing device. The convenient and rapid environment-friendly stone polishing device comprises a device body, the device body is fixedly connected with a base, and the bottom of the base is fixedly connected with supporting columns. Universal wheels are arranged at the bottoms of the supporting columns, a sealing door is arranged on the end face of the outer wall of the device body, and a control panel is fixedly mounted on the sealing door. A fixing plate is arranged on the upper portion in the device body, recoveringsucking heads of the lower end face of the fixing plate are connected with a dust collecting box through a recovering pipe, and a motor is fixedly mounted on the right side of the upper end face of the fixing plate. The output end of the motor is fixedly connected with a threaded rod, the threaded rod is in threaded connection with a sliding plate, and a hydraulic cylinder, a polishing motor anda polishing disc are arranged below the fixing plate. A damping table is fixedly mounted at the bottom of the device body, a first sliding groove is fixedly formed in the upper end face of the dampingtable, and a fixing table is arranged on the upper side of the first sliding groove. According to the convenient and rapid environment-friendly stone polishing device, the structure is simple, operation is convenient, to-be-polished stone is fixed through clamping plates, and the damping table can buffer impacting force generated when the stone is placed on the fixing table.

The invention provides manufacture equipment and a manufacture method for a steel friction plate of a clutch. The manufacture equipment comprises a punch, a first sander, a turnover mechanism and a second grinder which are sequentially arranged, wherein a first section of conveyor belt is arranged between the turnover mechanism and the first sander; a second section of conveyor belt is arranged between the turnover mechanism and the second sander; the first sander and the second sander each comprise a rotary brush; by utilizing the turnover mechanism, the friction plate sanded by the first sander can be turned over so that the surface which is not sanded by the first sander can be sanded by the second sander; the whole process is finished by the machine automatically, and the sanding quality and working tempo can be easily controlled, so that the sanding quality of the surface of the friction plate is ensured, and the manufacture efficiency can be improved; and the first sander and the second sander can sand the friction plate by adopting the rotary brushes; and during a sanding process, the rotary brushes rotate, and the sanding angle is changed continuously so that the surface of the friction plate can be uniformly sanded.