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9808results about "Grinding machines" patented technology

System and method for grinding industrial robot on basis of visual information

The invention relates to a system and a method for grinding an industrial robot on the basis of visual information. In the system, the image of a workpiece is collected by a video camera; the workpiece is positioned by computer recognition; the movement locus points of a mechanical arm from the current position to a fetching position are planned on line to control the mechanical arm to fetch the workpiece; and then, the revolving speed and the revolving direction of an abrasive belt are controlled by a preset operation step of grinding so as to control the industrial robot to move the workpiece to an appointed position and gesture for grinding and polishing the workpiece. In the system, the video camera collects the image of the workpiece in real time; the workpiece is identified and positioned by the computer to control the mechanical arm to fetch the workpiece; the movement of the industrial robot and the running state of a grinder in the workpiece grinding operation are controlled; the data end of a computer is connected with the data end of the control cabinet of the industrial robot; output locus points controls the industrial robot to move; and the data end of the computer is connected with the data end of the grinder to control the grinder to start and stop and control the revolving speed and the revolving direction of the abrasive belt.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Pipeline inner wall rust removal device

The invention discloses a pipeline inner wall rust removal device, belonging to the technical field of polishing units. The device comprises a first end cover and a second end cover which are hermetically installed at two ends of the pipeline, a rust removal trolley is arranged in the pipeline, the dust removal trolley comprises a pneumatic motor with dual output shafts, a shell of the pneumatic motor is provided with a plurality of support shafts, the end part of each support shaft is provided with a roller wheel, a grinding disc is fixedly installed on the output shaft of the pneumatic motor, close to the first end cover, and is provided with a plurality of support rods in the radial direction, the end part of each support rod is provided with an abrasive disc, the output shaft of the pneumatic motor, close to the second end cover, is connected with a shot-blasting machine in a transmission manner; the end part of the grinding disc is connected with a traction rope, the traction rope extends out of the first end cover, one end of the shot-blasting machine, close to the second end cover, is connected with a shot feeding pipe, the pneumatic motor is connected with a gas inlet pipe, the shot feeding pipe and the gas inlet pipe extend out of the second end cover. The pipeline inner wall rust removal device can be used for solving the technical problems that the pipeline inner wall is serious in rust removal pollution and the rust removal effect is poor, and can be widely applied to pipeline cleaning.
Owner:SHANGHAI HONGPU STEEL STRUCTURE ENG

Square tube multiple face synchronous derusting machine

The invention discloses a square tube multiple face synchronous derusting machine. The derusting machine comprises an inverted-U-shaped rack and is characterized in that an upper motor is fixed to the middle of the upper wall of the inverted-U-shaped rack, and an upper horizontal rotating wire brush is fixed to the lower end of a shaft sleeve of a motor spindle, a fixed belt wheel at the upper end of the spindle is connected with driven shafts outside the left wall and the right wall of the inverted-U-shaped rack for transmission, and the middle of the driven shaft on the left and the middle of the driven shaft on the right are respectively meshed with a shaft end bevel gear of a transverse rotating shaft for transmission through a bevel gear; each transverse rotating shaft is provided with a transverse shaft sleeve connected with the transverse rotating shaft in a matched mode through a spline, and an upper perpendicular face rotating wire brush is fixed to the inner end of each transverse shaft sleeve; idler wheels are arranged at the bottom end of the inverted-U-shaped rack; synchronous rotation of the horizontal rotating wire brush and the perpendicular face rotating wire brushes is achieved through one motor, and thus the upper surface and the two side faces of a square tube can be polished and derusted synchronously. Thus, dust on the surface of the square tube can be cleared away fast with the derusting machine, energy is saved, labor efficiency can be improved, and the using effect of the square tube is improved.
Owner:南通通州东大机械有限公司

Wire saw for cutting hard and fragile materials and manufacturing method thereof

The invention relates to a wire saw for cutting hard and fragile materials and a manufacturing method thereof. The wire saw is fixed with an grinding material on a core wire through a bonding agent and is characterized in that the bonding agent consists of an inner layer UV resin bonding agent and an outer layer heat reactive resin bonding agent; and the grinding material is evenly and continuously distributed in a monolayer mode around the core wire, partial grinding material is embedded in the UV resin bonding agent, other partial grinding material is exposed outside the heat reactive resin bonding agent to form an exit lip, and the rest part is enwrapped by the outer layer heat reactive resin. The grinding material adopts a diamond or CBN adopting surface metal plating; and the core wire adopts a copperized music wire. The manufacturing method is performed continuously and quickly according to the following steps: under the traction of a driving device, setting out the core wire continuously through a wire plate, surface preparation, cleaning, drying, coating with the inner layer UV resin bonding agent, grinding material cementation, UV curing, coating with the outer layer heat reactive resin bonding agent, thermocuring and drawing in a cable to form a plate. The wire saw and the method solve the problem of driving aspects before cured resin is completely cured, and can effectively solve the problem that the grinding material in the prior art is easy to agglomerate.
Owner:NANJING NORMAL UNIVERSITY

Two-sided synchronous high-efficiency milling and casting machine tool for impeller vane

InactiveCN101244531APrevent processing deformationImprove grinding and polishing efficiencyGrinding machinesImpellerEngineering
The invention relates to a grinding and polishing machine tool of synchronous double-faced blade with a high efficiency, belonging to the mechanical manufacturing field. A moving mechanism in Y direction and two moving mechanism in X direction are fixed on the bed, two moving mechanism in X direction are coaxial and are distributed in symmetrically horizontally vertical to the moving mechanism in Y direction; two grinding and polishing tool system of sand belt variable gear trains are respectively connected with two moving mechanism in Z direction; the two moving mechanism in Z direction are respectively connected with two upright columns; the two upright columns are respectively connected with the two moving mechanism in X direction; a reversing jig is arranged on the rotary worktable, and the reversing jig can achieve the clamping of the blade and the rotation of the blade around the central shaft B of the reversing jig; the rotary worktable is connected with the moving mechanism in Y direction, and the rotary worktable provides the rotation around the central shaft C. The grinding and polishing machine tool of synchronous double-faced blade with a high efficiency has the advantages that the faces of the blade at double sides has synchronous grinding and polishing, not only the efficiency of grinding and polishing is improved obviously, but also because force is exposed on double sides of the blade during grinding and polishing process, the process deformation of the blade is effectively avoided.
Owner:JILIN UNIV

Adaptive machine tool for grinding and polishing complex surfaces

The invention provides an adaptive machine tool for grinding and polishing complex surfaces, belonging to the technical field of mechanical manufacture. The adaptive machine tool is characterized in that the lower ends of a left column and a right column are fixedly connected with a base; the left column is connected with the left end of a cross beam via a screw and a slide guide of the left column; the right column is connected with the right end of the cross beam via a screw and a slide guide of the right column; the middle of the cross beam is fixedly connected with a tool plate; a lower slide carriage is connected with the base via a screw, a front guide and a rear guide of the lower slide carriage; an upper slide carriage is connected with the lower slide carriage via a screw, a left guide and a right guide of the upper slide carriage; and a rotary table is fixedly connected with the upper slide carriage. The adaptive machine tool has the following advantages: the zones at the four sides are divided to serve as the grinding and polishing contact surfaces to grind and polish the parts with complex surfaces, so that the machine tool has high grinding and polishing efficiency and strong adaptability and can maintain the sharp shape characteristic of the complex surfaces; and the appearance of the contact tool head of the novel grinding and polishing tool system built based on multipoint forming technology can be regulated in real time according to the shape of the ideal machined surface, thus reducing the degree of freedom of design of the machine tool and enhancing the flexibility of the machine tool.
Owner:JILIN UNIV

Automatic lapping and polishing system for complex surface of compliant control-based robot and machining method

The invention relates to an automatic lapping and polishing system for a complex surface of a compliant control-based robot and a machining method. The automatic lapping and polishing system comprises an industrial robot, a worktable, a force sensor, a flexible lapping and polishing cutter, a signal conversion amplifier, a computer and a robot controller; the method comprises the following steps: performing machining trace planning before lapping and polishing a complex surface workpiece to obtain cutter contact point trace of the lapping and polishing cutter to obtain a surface machining cutter location point trace; converting the surface machining cutter location point trace into a code format program file which can be identified by the robot controller, and inputting the code format program file into the robot controller; positioning and clamping the workpiece to complete coordinate labeling and unification of a process system; and driving the robot to move according to a machining trace planning program file to drive the lapping and polishing cutter arranged on an end executor of the robot to perform contact machining on a machined surface. According to the automatic lapping and polishing system and the machining method disclosed by the invention, manual operation at a finish machining stage of the complex surface workpiece, especially a large-sized complex surface workpiece, can be replaced; labor strength and machining cost are reduced; and quality stability and quality consistency of a machined molded surface are increased.
Owner:SHENYANG LIGONG UNIV

Building steel pipe inner wall and outer wall polishing and rust removing device

The invention discloses a building steel pipe inner wall and outer wall polishing and rust removing device which comprises a bottom plate, wherein a transverse plate in parallel with the bottom plate is arranged above the bottom plate; a transverse shaft is arranged on a bracket; a semi-circular teeth gear is further arranged on the transverse shaft; an upper rack and a two-sided rack are arranged at the upper end and the lower end of the semi-circular teeth gear; a fixed sleeve rotatably connected with a support frame is arranged at one end of the support frame; a fixed mount is arranged at the end, far away from a rotary sleeve, of the lower end face of the transverse plate; an air cylinder is arranged at the left end of the fixed mount; a pneumatic push rod is arranged at the lower end of the air cylinder; an arc-shaped clamping plate is fixedly connected with the bottom end of the pneumatic push rod; an outer wall cleaning brush is arranged on the inner side of the arc-shaped clamping plate; and a cleaning guide pipe coaxial with the rotary sleeve is arranged on the lower side of the right side of the fixed mount. The building steel pipe inner wall and outer wall polishing and rust removing device is simple in structure, can simultaneously clean the inner wall and the outer wall of a steel pipe, is sufficient in cleaning, high in cleaning efficiency, higher in cleaning effect, stable in transmission and higher in practicality.
Owner:湖北楚雄建筑工程有限公司

Irregular stone multifunctional composite processing center with double five-axle linkage system

ActiveCN101357490AEngraving and milling realizationAchieve turningGrinding machinesStone-like material working toolsEngineeringMechanical engineering
The invention relates to a special shaped stone high-speed high-efficiency combined machining center with the functions of double five-axis linkage and synchronous cutting by double working heads, and relates to a device for processing stones. Active gantry structure is adopted in the machining center, the double-motor synchronous driving technology is adopted on the gantry beam, and synchronous high-speed driving is realized by the screw bar pair at the two sides; a milling working head component and a turning working head component are respectively arranged on the saddle of the beam, the vertical feeding mechanism thereof is formed by a suit of screw bar pair and a hydraulic pressure auxiliary mechanism; wherein, the milling working head can carry out rotation and scales division around the axis B, and the turning working head facilitates the same servo motor to realize rotation and scale division of axis A and cutting movement; the turning working head and the milling working head are arranged alternately, and both the turning process and the grinding processing can be carried out on stone articles at the same time. The machining center is provided with a numerical control system with the function of double five-axis linkage, and horizontal five-axis linkage machining and vertical five-axis linkage machining can be realized.
Owner:SHENYANG JIANZHU UNIVERSITY
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