30results about How to "High rotational positioning accuracy" patented technology

The invention provides a rotary conveying platform and logistics conveying equipment, and relates to the technical field of logistics conveying. The rotary conveying platform comprises a rotating mechanism and a V-shaped conveying mechanism; the V-shaped conveying mechanism is used for conveying cylinder conveying pieces; the rotating mechanism drives the V-shaped conveying mechanism to convey toan appointed position; and the rotating mechanism realizes rotation of the V-shaped conveying mechanism in different positions of 0-360 degrees, so that the technical problem of incapability of conveying the cylinder conveying pieces after rotation in the prior art is solved.

In the course of a machining of a workpiece with a tool, a drive spindle with a tilt table secured thereto of a tilt device provided on a work table of a machining center is rotated by a direct drive motor to control the relative angular position between the tool and the workpiece, and within a predetermined period of time in the course of a machining, the direct drive motor is rotated at a high speed with a spindle head and the work table of the machining center kept away to rotate the drive spindle and hence, the tilt table at a high speed, so that chips and cutting lubricant can be shaken from the workpiece and the tilt table.

The invention relates to pressure meter assembling equipment. A pressure meter is conveyed below a mounting mechanism by a feeding mechanism; a clamping lifting cylinder of the mounting mechanism drives a lifting connection plate to move up and down on a lifting slide rail, a cam is driven to lift, the cam is descended to drive a meter clamping lever to clamp the pressure meter, the cam is ascended to drive the meter clamping lever to loosen the pressure meter, firstly, the meter clamping lever is loosened, a lifting mechanism drives the mounting mechanism to move downwards to clamp the pressure meter, the feeding mechanism returns back to the initial position, then a rotary mechanism is moved to drive a pressure meter seat to move to a place below the mounting mechanism, a compressing mechanism clamps the pressure meter seat, the mounting mechanism is driven by the lifting mechanism to move downwards, and when the pressure meter reaches a place above the pressure meter seat, the mounting mechanism is driven to drive a rotary spindle to rotate, so the pressure meter is rotated and descended to be screwed into the meter seat, and when the torsion achieves a certain value range, the pressure meter stops rotating. The assembly of the pressure meter is full-automatically performed, the labor intensity of operation staff is reduced, and the production cost is reduced.

The invention discloses a demonstration device capable of swinging or rotating, which includes a bracket, a plurality of display groups, a connector, a revolution mechanism and an autorotation mechanism, the connector connects the bracket and the display group, and the revolution mechanism drives the The display group rotates or swings, and the self-rotating mechanism is used to drive each display in the display group to swing or rotate. It is used to solve the problem that the multimedia display in the prior art can only be played in a static state, and provides a structural basis for satisfying different viewing angles and performing dynamic demonstrations with multimedia images. The revolution mechanism drives the display group to rotate or swing, and the autorotation mechanism drives each display to swing or rotate. The display group rotates or swings and the swing or rotation of the display can cooperate with the content of the display for dynamic demonstration, realizing the multi-media screen of multiple displays. The interaction between screen and media screen and between media screen and machinery.

The invention discloses a control system and a control method of a rotary positioning platform under a microscope. The system includes: a rotary console, first and second translation consoles, a sample stage, a visual feedback subsystem, a driver, and a double closed-loop positioning Control system, the movement directions of the first and second translation consoles are perpendicular to the rotation axis of the rotary console; the double closed-loop positioning control system includes: the external position controller calculates the input displacement of the inner ring; the first and second translation control The displacement closed-loop control subsystem of the table includes: the plug-in repetitive controller calculates the displacement compensation control quantity according to the error between the input displacement and the feedback displacement; the original closed-loop displacement control subsystem calculates the displacement control quantity according to the error between the input displacement and the feedback displacement , and combined with the displacement compensation control amount to control the driver to drive the displacement of the first and second translation consoles. Improve the rotational positioning accuracy of micro-nano-scale samples under the microscope, and greatly improve the microscopic imaging effect of the sample.

The invention relates to an automatic changing device of a grinding wheel and a grinding wheel cover of a vertical internal and external grinding machine, wherein a body shell is fixed on a machine body, a servo motor is installed below the body shell, an output shaft of the servo motor is connected with an input shaft of a speed reducer through a transmission shaft located in the body shell, and the output shaft of the speed reducer is connected with a grinding wheel mounting disk; a rotating shaft is installed in the grinding wheel mounting disk; the upper end of the rotating shaft is connected with a grinding wheel cover mounting disk through a clutch, the clutch is connected with a cylinder piston rod through a guide sleeve and a guide shaft, a cylinder is fixedly connected with a clutch shell through a cylinder seat, and a spring is installed between the clutch shell and the grinding wheel cover mounting disk. According to the automatic changing device provided by the invention, the grinding wheel and the grinding wheel cover of the vertical internal and external grinding machine can be changed automatically; the operation of changing a grinding wheel turntable and a grinding wheel cover turntable is switched by the clutch, and the operations can not interfere each other during the changing process; the clutch is controlled by the cylinder and the spring; and the mechanism is driven by a numerical control servo motor, and the rotating and locating precision of the grinding wheel and the grinding wheel cover are high.

The head has a mechanical arm (11) for picking and holding a member (3), and a pneumatic unit (12) for loading preset pressure (p1) to the mechanical arm. A pneumatic tube (13) is mounted on an assembly head. Another pneumatic tube (14) is partially guided in an interior of the mechanical arm and connected with the former pneumatic tube. The pneumatic tubes are used as rigid connecting tubes and mutually plugged on connecting positions (A-B) to be connected. A flow rate sensor determines a volume flow in the former pneumatic tube.

The invention provides a machine tool vision positioning method and system and a machine tool. The method includes the following steps: sampling the edge characteristic curve of a positioning target in a CAD file, and obtaining a matching template point of the positioning target; collecting an image of the positioning target by using an industrial camera, and obtaining an edge image of the collected positioning target image; matching the edge image with the matching template point, and obtaining the matching parameters of the matching template point when the matching degree is optimal; obtaining the calibration parameters of the industrial camera; and determining the machining zero of the positioning target based on the calibration parameters and the matching parameters. According to the machine tool vision positioning method and system and the machine tool, the shaped drawn by CAD is used as the characteristic of edge positioning, automatic positioning of a work piece positioned in anon-tooling way can be realized, the machining zero can be obtained and the actual size of the positioning target can be measured, and therefore, the positioning efficiency and machining efficiency ofwork pieces can be improved.

The invention discloses a feeding device at the front of a bending center, which comprises a fixed base, a C-shaped pressing arm driving device, a C-shaped pressing arm, a rotating positioning mechanism, an auxiliary feeding manipulator, a front-end positioning assembly of a sheet material, and a left-side positioning assembly of the sheet material , the auxiliary pushing assembly on the right side of the sheet, the auxiliary pushing assembly on the rear side of the sheet, and the loading and unloading platform, a feeding device at the front of the bending center of the present invention, through a comprehensive sheet positioning method, the front and left ends of the sheet There are positioning stops, and the right and rear ends of the sheet are equipped with auxiliary pushing mechanisms, so that the positioning of the workpiece is more accurate, and the deviation caused by manual feeding is avoided. At the same time, for some special-shaped workpieces, the secondary positioning of the automatic workpiece can be realized through the mutual cooperation between the positioning mechanisms, which expands the processing range of the workpiece, thereby improving the utilization rate of the equipment.

The invention relates to a mechanical mechanism and control system of a pneumatic handling mechanical hand, and belongs to the field of pneumatic handling mechanical hands. The mechanical mechanism of the pneumatic handling mechanical hand comprises the relevant connection relation of a horizontal telescopic air cylinder fixing seat, a horizontal telescopic air cylinder, a horizontal supporting seat, a rotary arm, a vertical lifting air cylinder, a clawing claw fixing seat, clamping claws, a rotary shaft and a connector I. The control system comprises a magnetic switch, a function key, an opto-isolator circuit, a three-state buffer, a single-chip microcomputer STC89C52RC master control circuit module, a decoder, a starting delay circuit, a reverse circuit, a latch, a relay drive module, a relay, an electromagnetic valve and an execution air cylinder. The designed pneumatic handling mechanical hand is easy to achieve, accurate in locating and high in economic efficiency, can be switched between two work stations, and is especially suitable for point location handling of injection molding blades in air conditioners.