51results about How to "Realize alignment" patented technology

The invention provides an aligning and leveling worktable for measuring the cylindricity of a slewing type workpiece. The aligning and leveling worktable is composed of an aligning knob (1), an aligning supporting seat (2), an aligning sliding block (3), an aligning tension spring (4), an aligning fixed supporting seat (5), a bearing (6), an outer cover (7), a fixed steel ball (8), leveling knobs (9), a leveling knob supporting seat (10), an inclined block (11), a leveling tension spring (12), leveling steel balls (13), a leveling fixed supporting seat (14), a connecting ring (15), a base (16), a worktable (17) and a vertical tension spring (18). The leveling steel balls are movable supporting points, and the fixed steel ball is a fixed supporting point. The two leveling knobs are adjusted to lead the worktable to realize the leveling function under the support of the two leveling steel balls and the fixed steel ball. When the aligning knob is adjusted, the connecting ring drives the worktable to precisely move along two vertical directions under the action of the aligning tension spring so as to realize the aligning function of the worktable. The structure of the aligning and leveling worktable is simple and practical.

The invention discloses an automatic centring and clamping mechanism. An outer ring body is arranged on the surface of the outer circumference of an inner ring body in a sleeving manner, and the outer ring body and the inner ring body are in clearance fit. The ball head ends of telescopic shafts in a plurality of telescopic bodies penetrate guide holes in the circumference of the inner ring body and then are mounted in sliding grooves located in the inner circle surface of the outer ring body. A worm gear body is fixed to the end face of the inner ring body. A worm is fixed to the end face of the outer ring body through a bearing pedestal and engaged with the worm gear body, and therefore the outer ring body and the inner ring body generate relative rotation. The number of the guide holes in the surface of the outer circumference of the inner ring body, the number of the sliding grooves in the surface of the inner circumference of the outer ring body and the number of the telescopic shafts are the same. According to the automatic centring and clamping mechanism, in the clamping process, all clamping blocks stretch out and retract back at the same time through telescopic bolts, and the clamping blocks are rounded at the same time in the clamping process; and in the whole implementation process, no machine tool is needed, operation is easy and convenient, efficiency is high, and the high application and popularization value is achieved.

A swing arm type contourgraph measuring head alignment calibration device with a rotating sensor comprises a contourgraph measuring head, a contourgraph measuring head fine adjustment mechanism, a transverse arm, a stand column, a balance weight, a transverse arm rotary table, a workpiece rotary table and an optical measuring head, wherein the optical measuring head is fixed on the workpiece rotary table and carries out rotating motion around the contourgraph measuring head, outer contour data of the contourgraph measuring head are obtained, central position information of the contourgraph measuring head is calculated through a data processing algorithm, and alignment adjustment of the contourgraph measuring head and the workpiece rotary table is achieved through the adjustment of the contourgraph measuring head fine adjustment mechanism. According to the swing arm type contourgraph measuring head alignment calibration device, the alignment adjustment of the contourgraph measuring head and the workpiece rotary table is achieved, and a practical solution is provided for inplace measurement of a swing arm type contourgraph on an optical processing site.

The invention discloses a rotary part on-machine precise and quick alignment device and method, and belongs to the technical field of precision/ultra-precision machining. The rotary part on-machine precise and quick alignment device comprises a main controller, a high-precision displacement detection device and a micro-nano displacement adjusting device. The rotary part on-machine precise and quick alignment method comprises the steps that firstly, the high-precision displacement detection device is controlled by the main controller to conduct data acquisition on the excircle runout of a part,acquired data are subjected to low-pass filtering treatment and then least square fitting treatment is conducted; then the maximum deviation of the part and the corresponding deviation angle are calculated, a machine tool main shaft is controlled by the main controller to rotate to be located at the appointed angle, the micro-nano displacement adjusting device is adopted to adjust the displacement of the part within the nanometer-grade to micron-grade range, and then the excircle of the part is detected after adjustment is accomplished; and finally, the adjusting process is repeated until theexcircle runout of the rotary part meets the precision/ultra-precision machining requirement. The rotary part on-machine precise and quick alignment device and method have the advantages of being high in precision, being capable of achieving the submicron grade and even the nanometer grade, being convenient and fast to adjust, high in repeatability of the adjustment accuracy and low in dependenceof the technology of an operator, and easily achieving the automation.

The invention discloses a workpiece alignment method, and belongs to the technical field of machining. The method comprises the steps that a workpiece is installed on a rotary workbench of a multi-shaft machining center, and the rotation center of the workpiece is enabled to coincide with the rotation center of the rotary workbench; a cutter is installed on the multi-shaft machining center, cutteraligning is carried out, an original point of a processing coordinate system is set to be kept consistent with an original point of a programming coordinate system of a positioning control program, and the original point of the machining coordinate system is located on the rotation center of the workpiece; the positioning control program controls the cutter to move so as to make a first preset point on the cutter reach a first preset position; the rotary workbench is rotated to drive the workpiece to rotate so as to make a second preset point of the workpiece reach a second preset position, wherein the second preset position is a preset position corresponding to the first preset position; and C-axis coordinate values of the corresponding program segments in the positioning control programare recorded, and a C-axis coordinate value of a coordinate system started in a numerical control system is set according to the recorded C-axis coordinate values.

A workpiece position alignment method using a point cloud registration technology and a three-dimensional reconstruction technology comprises the steps that firstly, a point cloud model is established through the point cloud technology, then multi-angle point cloud model coarse splicing is carried out according to the motion relation of a high-precision mechanical arm and the result of hand-eye calibration, then precise splicing is carried out through an ICP algorithm, a weldment reference model is obtained through point cloud fusion, then a workpiece model in an actual scene and the established reference model are aligned through the point cloud registration technology, the pose conversion relation between the workpiece model and the established reference model is obtained, the system can sense the pose of the workpiece in real time, and therefore positioning and alignment of the workpiece are achieved. The problem of workpiece positioning and alignment under the condition that a workpiece model is unknown is solved, and then an accurate robot motion path is obtained.

The invention discloses a tool turret device applied to a machine tool with a Y axis. The tool turret device applied to the machine tool with the Y axis comprises a tool turret and a driving mechanism. The driving mechanism comprises an X axis driving assembly and a Y axis driving assembly. The Y axis driving assembly drives the X axis driving assembly to move and the moving direction and a spindle installation datum panel form a first acute angle, and the X axis driving assembly drives the tool turret to move and the moving direction and the moving direction of the X axis driving assembly form a second acute angle. The tool turret device applied to the machine tool with the Y axis can realize the machining of a workpiece milling plane.

An alignment method for a radial magnetic suspension stator element of a gyroaccelerometer includes a turntable and a cross slide table. A stator tool is arranged on the turntable and connected with an inductance tester. An adjustment mechanism is arranged on the cross slide table. The adjustment mechanism is provided with a torque sensor. After adjusting a pitch angle, a yaw angle and a center height of a rotor tool, by passing a stator element through a rotor element, variation on inductance values of the stator element is measured through the inductance tester and an axial coincidence position is obtained according to the variation on inductance values of the stator element. By contacting a rotor element with coils of the stator element, a contact force is measured by the torque sensorand sent to an industrial personal computer for calculating a coaxial position. By the method, coincidence of the stator element to the rotor element in the axial position and coaxial alignment of theradial position of the stator element are achieved.

The invention belongs to the technical field of numerical control machining, and particularly relates to a single-machine calculation-point-free automatic alignment machining method. A self-made measuring head point collecting program is used, and a calculation formula is designed according to different machining requirements. Point position acquisition and automatic calculation of coordinate system offset angle point positions are realized. The technical problems that in the current production preparation process, errors are prone to occurring and efficiency is low due to the fact that offsetis calculated through manual point location alignment are solved. The numerical control machining center uses the measuring head for alignment and then directly inputs the measuring head into a specific area of an equipment operation system, needed parameters are automatically generated, programs are automatically read, human intervention is not needed, the error rate is reduced, time is saved, and production efficiency is improved.

The invention discloses a bottom mold locking device and a using method thereof. The bottom mold locking device comprises a mounting bottom plate, a positioning column, a locking shaft, a hollow collar, a cover plate and a bottom mold connecting block, wherein the positioning column is fixed on the mounting bottom plate; the locking shaft is arranged on the side wall of the positioning column andmoves along the axial direction of the positioning column; the hollow collar is sleeved on the outer circumference of the locking shaft and connected with the mounting bottom plate; the cover plate isconnected to the top portion of the hollow collar; and the bottom mold connecting block is arranged at the top portion of the cover plate. According to the bottom mold locking device, the automatic alignment, centering, synchronous locking and the unlocking of the bottom mold locking process are achieved, the jam phenomenon is eliminated, the difficulty of replacing the bottom mold is greatly reduced, and the replacement efficiency of the bottom mold is improved.

The invention belongs to the technical field of numerical control machining, and particularly relates to a single-machine automatic alignment calculation-point-free machining method. A self-made measuring head point collecting program is used, and a calculation formula is designed according to different machining requirements. Point position acquisition and automatic calculation of coordinate system offset angle point positions are realized. The technical problems that in the current production preparation process, errors are prone to occurring and efficiency is low due to the fact that offsetis calculated through manual point location alignment are solved. By using the method to process the blank benchmark, the time for manually straightening the product is reduced. At the same time, theadded cross curve intersection angle verification and theoretical point position calibration can effectively discover alignment errors or workpiece lineation errors. The program performs automatic reading without human intervention, so that the error rate is reduced, the time is saved, and the production efficiency is improved.

The invention discloses a simple three-claw centering clamp for steel pipe machining, and belongs to the technical field of machine manufacturing. The simple three-claw centering clamp comprises a cylindrical steel pipe. Three fixing nuts are evenly distributed on the same circumference of the outer circle surface of the cylindrical steel pipe. Adjusting bolts are arranged in the fixing nuts correspondingly. A cylindrical clamping disc is arranged at one end of the cylindrical steel pipe. A center hole communicating with the interior of the cylindrical steel pipe is formed in the center of the cylindrical clamping disc. The simple three-claw centering clamp is simple in structure, the work principle is clear, and the basic function of steel pipe clamping is achieved. Through the interaction of the adjusting bolts and the fixing nuts, steel pipe clamping center alignment and fine adjustment are achieved, and the steel pipe machining precision is improved. The clamp manufacturing cost is extremely low, operation is easier, and later maintaining on the clamp is not needed.

The invention relates to a GIS transition bus and a GIS, the transition bus comprises a transition connection shell, a support insulator and a connection conductor, the transition connection shell is used to conveniently realize fixed assembly of a three-phase common box cylinder and a single-phase voltage transformer, the transition connection shell has a smooth reducing section, the radial size of the front end of the transition connection shell is smaller than that of the rear end; and the connection conductor is provided with an inclined extension section, so that a conductive plugging terminal is arranged corresponding to the center of the transition connection shell. According to the transition bus for the GIS, fixed assembly of the three-phase common-box cylinder and the single-phase voltage transformer is conveniently achieved through the transition connection shell, the single-phase voltage transformer and any phase of conductor can be conductively connected through the connecting conductor matched with the conductive insert, electricity taking operation is achieved, and through the inclined extension section on the connection conductor, centering arrangement of the single-phase voltage transformer is convenient to achieve, centering outgoing is convenient, and the overall arrangement coordination of GIS parts is improved.

The invention discloses a stop valve with double automatic aligning and sealing assemblies. The stop valve with the double automatic aligning and sealing assemblies comprises a valve body, the double automatic aligning and sealing assemblies, a valve rod, a valve deck, filler, a gland, a valve rod nut, a hand wheel and a nut. Each automatic aligning and sealing assembly is provided with a fixing nut, a concave spherical joint, a sphere retainer sleeve and a sphere sequentially from top to bottom. A groove in the bottom of the valve rod is in horizontally sliding connection with the top of each concave spherical joint. The bottom of each concave spherical joint is of a concave spherical surface shape. The concave spherical surface of the bottom of each concave spherical joint is matched with the spherical surface of the sphere in shape, and is an isometric spherical surface. The spherical surface of the sphere and the arc surface of the upper surface of a spherical opening in the isolation inner wall of the valve body are matched in shape and are isometric spherical surfaces. The stop valve with the double automatic aligning and sealing assemblies is provided with the two automatic aligning structures and has the multiple technological advantages of being long in service life, good in sealing effect, high in structure practicability and the like.