15results about How to "Reduce clamping errors" patented technology

The invention relates to the technical field of automobile metal part drilling machining, in particular to an automobile steering knuckle drilling pre-machining machine tool. The automobile steering knuckle machining equipment comprises an installation machine base, a drilling device, a tool clamp and a control system, the drilling device and the tool clamp are installed on the installation machine base and are important components of the equipment, and preprocessing of an automobile steering knuckle is achieved; the control system comprises a hydraulic system, a pneumatic control system, a cutting fluid circulating system, a lubricating system, a chip removal system and an electric control system. The drilling device, the tool clamp, the material pressing device, the control device and other functional components are efficiently matched, the efficiency of automobile steering knuckle drilling pre-machining is remarkably improved, through precise movement of the drilling device, stable fixation of the tool clamp and the material pressing device and continuous lubrication of the lubricating device, high precision of the machining process is guaranteed, and the machining efficiency is improved. The problems of workpiece machining defects, equipment overheating and the like are reduced, and potential safety hazards are reduced.

A method for high-efficiency combined machining of an aspheric optical element comprises the steps that a tool clamp is manufactured according to the shape of the optical element to be machined, the lower surface of an optical element blank is ground and polished, and the optical element blank is fixed to the tool clamp; performing aspheric surface forming processing on the upper surface of the optical element blank through rough grinding and accurate grinding to obtain an aspheric surface sample piece; measuring the surface shape data of the aspheric sample piece by using a contourgraph; the surface shape data are imported into an air bag polishing machine tool, an NC code for compensation machining is obtained through calculation, a tool clamp and the aspheric surface sample piece are fixed to a transition clamp of the polishing machine tool together, and rough polishing and fine polishing are conducted on the upper surface of the aspheric surface sample piece through different air bag polishing heads; and after machining is completed, measuring the surface shape data of the aspheric surface sample piece by adopting a contourgraph, soaking the aspheric surface sample piece and the tool clamp in an acetone solution after the aspheric surface sample piece is qualified, and taking out the sample piece. The process is scientific and reasonable, the surface shape of the element can be rapidly measured, the clamping error is reduced, the machining quality and the machining efficiency are improved, and the production cost is reduced.

The invention relates to the technical field of straightening equipment, and discloses an automatic matching straightening machine for shaft workpieces, which comprises a machine body, a plurality of linear sliding rails for a plurality of mechanisms to linearly move are arranged on the machine body, and strip-shaped tooth grooves matched with moving gears are formed in the two sides of the interior of the machine body; one side of the machine body is provided with a PLC (Programmable Logic Controller) control cabinet for calculating input shaft workpiece data information and generating a control signal, and the PLC control cabinet is used for controlling each mechanism on the machine body in an operation process. By adding and arranging the movable detection mechanism, when the shaft workpiece is straightened, the movable detection mechanism adopts a lever type detection structure, can be tightly attached to the surface of the shaft workpiece, sensitively captures bending deformation information of the workpiece, realizes accurate acquisition of deformation, avoids subjectivity and errors of manual detection, and improves the straightening accuracy of the shaft workpiece. And full-length movement detection can be realized along a linear sliding rail, all parts of the shaft workpiece are covered, and the condition of missing detection of a deformation position is avoided.

The utility model discloses a double-head 3D printing device which comprises a welding mechanism, a fixing frame and a first moving mechanism, the welding mechanism comprises a welding assembly and a robot, the welding assembly is arranged at the driving end of the robot, and the welding assembly is driven by the robot to conduct surfacing forming on welding flux; the fixing frame is arranged on one side of the welding mechanism, a rolling mechanism and a milling mechanism are arranged on the fixing frame, and the rolling mechanism is at least used for rolling welded workpieces so as to remove bubbles generated when the workpieces are welded; the milling mechanism is at least used for milling the welded workpiece; the first moving mechanism is at least used for driving a workpiece to move. The welding mechanism, the rolling mechanism and the milling mechanism are integrated together, the workpiece clamping frequency is reduced, on one hand, the working procedures are saved, and the machining efficiency is improved; and on the other hand, clamping errors caused by multiple times of clamping are reduced, and the workpiece machining precision is improved.

The invention discloses a turn-milling machining method for a small rotary structural part, which comprises the following steps of: roughly machining the rotary structural part, and reserving a preset allowance on each surface; a lathe chuck clamps the outer circle face of the part, and an inner hole, an outer circle and an end face of one end of the part are turned; a lathe chuck clamps the clamp, the part is installed on the clamp, a bolt is used for pressing the step face of the part to limit the part to move along the axis, a first limiting block is used for limiting the part to rotate around the axis, and an inner hole, an outer circle and an end face of the other end of the part are turned; a machining center chuck clamps the clamp, a bolt penetrates through an inner hole in the middle of the part, the part is fixed to the clamp, the part is limited to move along the axis, meanwhile, the bolt pressing the step is dismounted, and the side wall of the part is milled; a second limiting block is used for limiting rotation of the part around the axis, meanwhile, the first limiting block is dismantled, and a first U-shaped groove of the part is milled; and the four-axis machine tool A-axis clamping fixture is used for milling a second U-shaped groove, a key groove and a threaded hole of the part. The clamp has the advantages of being convenient to clamp and high in machining precision.

The present invention discloses a circular plate processing rapid positioning device, comprising positioning support mechanisms symmetrically arranged on both sides of the vertical center plane of a vertical clamping panel, each positioning support mechanism comprising a rectangular support block with four positioning support surfaces, each rectangular support block is installed in a bearing in an axle seat through a rotating shaft, the axle seat is installed on the vertical clamping panel, the axis of the rotating shaft is eccentric to the center of the rectangular support block, four pin holes are evenly distributed on the circumference of each rectangular support block with the axis as the center of the circle, corresponding to each rectangular support block, a limiting hole located on the rotation path of each pin hole is opened on the axle seat, each pin hole and the limiting hole are limited by an axle pin to the positioning support position of each positioning support surface for circular plate workpieces of different specifications and sizes, the mid-vertical planes of the corresponding positioning support surfaces of the left and right rectangular support blocks intersect vertically, and the intersection line is located on the vertical center plane of the vertical clamping panel. The present invention can realize rapid and accurate positioning support of circular plate workpieces.

This utility model discloses a lathe with interpolation function, comprising a frame, a first platform, a second platform, a first spindle assembly, and a second spindle assembly. The second spindle assembly is equipped with a first moving mechanism. Both the first and second spindle assemblies are equipped with chucks. The second platform has two second moving mechanisms, each of which is equipped with a third moving mechanism. Each of the third moving mechanisms is equipped with an interpolation mechanism, and each interpolation mechanism is equipped with a tool magazine mechanism. This utility model utilizes dual-spindle machining with the first and second spindle assemblies. The first moving mechanism enables the reciprocating movement of the second spindle, and the independently controllable second and third moving mechanisms allow for simultaneous parallel machining of two workpieces, full machining of the same workpiece, or collaborative machining of the same workpiece, improving production efficiency. The interpolation mechanism is used for error compensation, improving machining accuracy and quality.

The utility model discloses a special-shaped circular shaft part fast clamping jig which comprises a bottom plate and a cover plate, the bottom plate comprises a clamping part and a positioning backup plate, a plurality of lower circular grooves are formed in the clamping part and evenly formed in the length direction of the clamping part, a plurality of upper circular grooves are formed in the cover plate, and the positioning backup plate is arranged on the cover plate. The lower circular grooves are evenly formed in the length direction of the cover plate, the cover plate can be arranged on the bottom plate in a matched and covering mode and is limited and fixed through connecting pieces, and the upper circular grooves and the lower circular grooves are correspondingly connected to form limiting grooves capable of containing workpieces. The positioning backup plate is located on the side, in the axis direction of the lower circular groove, of the clamping part, and one side face of the positioning backup plate abuts against and makes contact with the end face of the workpiece. By means of profiling positioning of the round bar machined in the working procedure of the round shaft part, the part can be rapidly and accurately clamped, and the clamping time and errors are reduced.

This invention discloses a multi-directional rough milling process for an automotive reducer housing and the housing itself, belonging to the field of automotive technology. The process includes: artificially aging the housing; selecting at least two areas on the edge of a preset area of ​​the main positioning datum surface of the housing to create auxiliary positioning holes; grinding an auxiliary positioning datum surface on the housing; placing the housing on a support substrate using the auxiliary positioning datum surface and auxiliary positioning holes as positioning references; using a clamping mechanism to simultaneously clamp the housing at multiple points, avoiding thin-walled areas of the housing; using a machining equipment with an A-axis rotary table, milling the main positioning datum surface in the preset area of ​​the main positioning datum surface using the auxiliary positioning datum surface as a reference, and then milling the side surface of the housing using the main positioning datum surface as a reference; after the flatness of the main positioning datum surface meets the requirements, performing low-temperature stress release treatment. This application establishes a complete process flow from pretreatment, positioning and clamping, multi-directional rough milling, dynamic control to detection and stress release.

The invention discloses an inner and outer contour measuring device, which relates to the technical field of measuring devices and comprises a cradle assembly, a Y-axis sliding table, an outer contour measuring assembly, a first Z-axis sliding table, an X-axis sliding table, an inner contour measuring assembly and a second Z-axis sliding table. The cradle assembly comprises a product clamping assembly, a cradle body, a cradle support and a cradle driving device. The Y-axis sliding table is used for driving the cradle base to slide in the Y-axis direction. The outer contour measuring assembly is used for measuring the outer contour of the product. The first Z-axis sliding table is used for driving the outer contour measuring assembly to slide in the Z-axis direction, and the X-axis sliding table is used for driving the first Z-axis sliding table to slide in the X-axis direction. The inner contour measuring assembly comprises a climbing needle sensor which is used for measuring the inner contour of the product. The second Z-axis sliding table is connected with the inner contour measuring assembly and used for driving the inner contour measuring assembly to slide in the Z-axis direction. According to the device, measurement of the inner contour and the outer contour is completed through one-time clamping, equipment replacement is avoided, and a structural basis is provided for subsequent data fusion.

The application relates to a double-station synchronous numerical control machine tool, and relates to the technical field of numerical control machine tools, which comprises a machine tool main body, the inside of the machine tool main body is provided with a fixed plate, the inside of the machine tool main body is fixedly connected with a shell, the inside of the shell is provided with a machining mechanism, the outside of the fixed plate is provided with a rotating mechanism, the top of the rotating mechanism is fixedly connected with a support frame, the machining mechanism comprises a motor one, the driving end of the motor one is fixedly connected with a ball screw, the outside of the ball screw is threadedly connected with a connecting column, the outer surface of the connecting column is fixedly connected with a sliding column, and the inside of the sliding column is provided with a polishing assembly. The application has the advantages that the ball screw is driven by the motor one, the sliding block and the fixed sliding groove are matched, real-time dynamic adjustment of height difference is realized, the vibration and deviation in the movement process are effectively reduced by matching the screw rod transmission and the guiding structure, and the service life of a cutter is prolonged.

The utility model relates to a transmission shaft machining efficiency improving device, which belongs to the technical field of transmission shaft machining and comprises a clamping plate, a connecting block and a magnet, one side of the connecting block is fixedly mounted on one side, close to the ground, of the clamping plate, and the magnet is fixedly mounted on one side, close to the ground, of the connecting block. The device is characterized in that a machining efficiency improving mechanism is mounted on the side, away from the connecting block, of the clamping plate; the machining efficiency improving mechanism comprises two clamps fixedly connected to the sides, away from the connecting blocks, of the clamping plates. The machining efficiency improving mechanism further comprises a transmission shaft, a pressing plate and a fixing bolt. According to the transmission shaft machining efficiency improving device, twenty workpieces can be clamped at a time, the working efficiency and the working quality are improved, the machining precision is also improved, in addition, the machining stability can be improved in a magnetic attraction mode, so that the machining quality is improved, and the using effect of an existing transmission shaft machining device is effectively improved.

This application relates to a dual-head turning-milling turret, comprising a base, a turret, a first motor, and a drive mechanism. The turret is rotatably connected to the base along its axial direction. The first motor drives the turret to rotate. A milling spindle and a power turret are respectively mounted on two machining mounting surfaces of the turret. The drive mechanism is integrated inside the turret and includes a second motor and a switching mechanism. The second motor is connected to either the milling spindle or the power turret via the switching mechanism to drive the milling spindle to rotate or to drive the power turret to switch tool positions. The switching mechanism is used to switch the transmission between the milling spindle and the power turret. Integrating the milling spindle and the power turret into the turret achieves integrated turning, milling, and drilling. The first motor switches the machining position, and the second motor and switching mechanism selectively drive both, eliminating the need for multiple drive motors. Multiple cutting operations can be completed in a single setup, improving machining efficiency and accuracy, and reducing clamping errors.

The invention discloses a drilling and chamfering tool and a drilling and chamfering method thereof.The tool bit of the drilling and chamfering tool is sequentially provided with a chamfering section, a transition section and a drill tip section, the outer diameter of the chamfering section is larger than that of the drill tip section, at least one chamfering blade is arranged on the peripheral side of the chamfering section, and at least one drilling blade is arranged on the peripheral side of the drill tip section; at least one chip groove is further formed in the peripheral side of the drill tip section and spirally extends to the joint between the transition section and the chamfering section from the peripheral side of the drill tip section; at least one chip breaking structure is arranged on the groove wall, corresponding to the drill tip section, of the chip discharging groove, and the chip breaking structures are sunken inwards in the radial direction of the drill tip section to form chip breaking pits or protrude outwards in the radial direction of the drill tip section to form chip breaking bosses. According to the technical scheme, drilling and chamfering can be completed at a time, so that the machining efficiency is remarkably improved, clamping errors are reduced, meanwhile, the chip removal efficiency is remarkably improved, the phenomenon that long cuttings wind a cutter body is avoided, the working stability is improved, the service life is prolonged, and the quality of the machined surface is improved.