72results about How to "Realize one clamping" patented technology

The invention discloses a multi-head numerical control drilling machine, which comprises a base, a tool changing mechanism, a drill bit mechanism and a feeding mechanism, wherein the base is provided with a workbench, an upright post is fixedly arranged on the base, and the top of the upright post is provided with the tool changing mechanism; a supporting frame is fixedly arranged on the base; the drill bit mechanism is arranged on the supporting frame, the drill bit mechanism is connected with the feeding mechanism, and the feeding mechanism drives a main shaft sleeve of the drill bit mechanism to move along the vertical direction so that a pneumatic clamp arranged on the main shaft sleeve can move along the vertical direction; and the control ends of the tool changing mechanism, the drill bit mechanism and the feeding mechanism are connected with the signal output end of a numerical control system. The tool changing mechanism, the drill bit mechanism and the feeding mechanism are mutually independent, so the drilling machine has clear and compact structure and is easy to maintain; and the mechanisms are controlled uniformly by the numerical control system so as to increase the operation flexibility, improve the production efficiency and reduce the cost. The drilling machine can be widely applied in the machining field.

A welding production line with following fixture is composed of a conveying line, a master control cabinet, two lift units at both ends of said conveying line, several workstations arranged along said conveying line, a following welding fixture, robot welding station consisting of welding robot, control cabinet and power supply, a displacing machine, a lift unit for lifting said following welding fixture from conveying line to said displacing machine, and a fast clamping unit on said displacing machine.

The invention relates to numerically-controlled machine tools, in particular to a composite flexible manufacturing unit, and mainly aims to solve the technical problems that an existing flexible manufacturing unit is large in floor space and high in investment, large and medium key part machining is large in error due to multiple clamping and multiple positioning, low in machining precision and small in application range, and the like in the prior art. The composite flexible manufacturing unit comprises a flexible manufacturing unit base and is characterized in that at least one gantry machining center, at least one horizontal machining center, at least one vertical machining center base, at least one machine tool body, at least one saddle, at least one standing column and at least one spindle box are connected to the flexible manufacturing unit base. The flexible manufacturing unit is provided with a common base and a common working table which formed by the machining centers, a common flexible clamp and a common central control device, a conveying device is arranged outside the flexible manufacturing unit, the base is connected with the gantry machining centers and the horizontal machining centers composited to the same machine tool, and all of or part of the vertical machining centers are provided with tool magazines.

The invention relates to a pressing mechanism for an airplane titanium alloy part processing tool table, in particular to an auxiliary device for a machine tool processing part. The pressing mechanismcomprises four parts, which are separately a pedestal regulating and fixing mechanism, a left side lifting pressing mechanism, a right side lifting pressing mechanism and an X-direction pressing mechanism, wherein the left side lifting pressing mechanism and the right side lifting pressing mechanism are mounted and fixedly arranged on the pedestal regulating and fixing mechanism, and define a threaded-transmission and spline-transmission matching relationship with the pedestal regulating and fixing mechanism; and the X-direction pressing mechanism is mounted and fixed on the pedestal regulating and fixing mechanism. The pressing mechanism can be manually and quickly regulated, and a motor drives equipment to realize automatic regulation on a clamping dimension and a clamping position as well as clamping with set load; and the motor drives blank to lift and rotate, so that multi-surface processing is realized.

The invention provides a machining method for parts with curved surfaces. The machining equipment is provided with a robot, a posture calibration block, a three-dimensional scanning device and a host computer, and the machining method comprises the following steps: scanning a part I with a curved surface I and the posture calibration block with the three-dimensional scanning device; sending the obtain image data I to the host computer, so as to conduct reverse modeling and data analysis on the image data I, and further obtain a first relative deflection value; machining the part I; replacing the part I with another part II with a curved surface II after the part I is machined; scanning the part II and the posture calibration block with the three-dimensional scanning device; sending the obtain image data II to the host computer, so as to conduct reverse modeling and data analysis on the image data II, and further obtain a second relative deflection value; calculating the deflection error between the second relative deflection value and the first relative deflection value; carrying out compensation on the robot with the host computer according to the deflection error; machining the part II; repeating the above steps till all the parts are machined. The invention further provides machining equipment for the parts with the curved surfaces.

The invention discloses a turbine assembly drill jig. The turbine assembly drill jig comprises a support base vertically mounted on a base, a rotating shaft horizontally penetrates the middle portion of the support base through a bearing and a bearing seat, a round plate for positioning the end surface of a turbine hub is mounted on the front portion of the support base on the rotating shaft, a grading plate for rotating the round plate for grading the turbine hub is mounted on the rear portion of the support base on the rotating shaft, a bending plate bent forwards is mounted at the upper end of the support base, and grooves for positioning the end surface of the turbine hub is arranged on the periphery of the round plate. Compared with the prior art, the turbine assembly drill jig can solve the problems that the accuracy of existing turbine hub drilling is difficult to ensure and the machining efficiency is low.

The invention relates a machine bed capable of simultaneously turning and drilling the double face of a work piece of a mental shaft, tube, disc and the like. The machine bed comprises a body and a box fixed on the body, two big slide boards are respectively arranged on the body which is positioned on the two sides of the box, the two big slide boards are respectively connected with a first motor and a second motor 1, a small board is respectively disposed on the two big slide boards, a knife carrier is respectively fixed on the two small slide boards which are respectively connected with a third motor and a fourth motor, a fifth motor drives a sleeve to rotate through a gear mechanism, the box and the sleeve are connected through a bearing, the sleeve drives a main shaft through a rolling shaft, a clamp device is mounted with the main shaft realizing the effect of automatically clamping work pieces, and the clamp device can also be made to automatically clamp and loose without stopping a vehicle. The invention can achieve the simultaneous multi-position machining at the two ends of the work piece, thereby promoting machining accuracy and efficiency, consuming a small amount of energy, reducing labor intensity and being in particular adaptable for mass production.

The invention relates to a base adjusting and fixing mechanism of an aircraft titanium alloy part machining tool table. The mechanism is an auxiliary device of a machining part of a machine tool. Thedevice comprises four parts, namely a base adjusting and fixing mechanism, a left lifting tight pressing mechanism, a right lifting tight pressing mechanism and an X-direction tight pressing mechanism, wherein the left lifting tight compressing mechanism and the right lifting tight compressing mechanism are fixedly installed on the base adjusting fixing mechanism, and are connected with the base adjusting and fixing mechanism to form a threaded transmission and spline transmission cooperating relation; and the X-direction tight pressing mechanism is fixedly installed on the base adjusting andfixing mechanism. According to the mechanism, rapid adjustment can be realized manually, automatic adjustment of the clamping size and position and tight clamping of a set load are achieved through amotor drives the equipment, a blank is driven by the motor to ascend or descend and rotate to realize multi-face machining.

The invention discloses a crystal ware polishing device which comprises a base and a support. A first motor is embedded into the left side of the top end face of the base, a first rotating shaft is fixedly connected to a motor shaft of the first motor, a first guide rail and two second guide rails are arranged at the top end of the base, a working table matched with the first guide rail is fixedlyconnected to the top end of the first rotating shaft, a first lead screw is arranged between the two second guide rails and is sleeved with a first moving base matched with the second guide rails, asupport is arranged at the top end of the first moving base, third guide rails are symmetrically arranged on the right side wall of an inner cavity of the support front and back, and a second lead screw is arranged between the two second guide rails. By means of the crystal ware polishing device, multi-angle polishing of products can be achieved, one-time clamping is achieved, and many machining processes can be completed as many as possible; the overall machining process is automatically completed by equipment, only manual feeding and discharging are needed, the machining time is greatly shortened, and the machining efficiency is greatly improved; and meanwhile, the product polishing uniformity is greatly improved, and the working strength is greatly reduced.

A double-hole processing device used for a vertical drill press, wherein, a connecting sleeve is arranged at the top of a box-typed connector; the internal chamber is provided with a driving shaft, intermediate shafts and knife tool installing shafts which are parallel to each other; gears arranged on the shafts are mutually meshed to transmit power; amounts of the intermediate shafts and the knife tool installing shafts are respectively two and the intermediate shafts and the knife tool installing shafts are arranged on upper and lower fixed planes in the connector, wherein, a bearing is arranged at the connection. When in use, the device is connected with a principal shaft sleeve of a vertical drill press by the connecting sleeve and the driving shaft cooperates with the principal shaft taper hole of the drill press, thereby realizing one-time clamping of the work piece to process two holes synchronously; therefore, the invention greatly reduces labour intensity and improves productivity effect. The device is especially applicable to mass production.

The invention discloses an aircraft engine key part numerical control broaching center and a broaching method thereof. A numerical control milling or broaching machining mode and device are currentlyand basically adopted for machining aircraft engine key parts with complicated shapes, broaching has the advantage of high efficiency, but an existing broaching machine lacks an automatic tool changing function. The aircraft engine key part numerical control broaching center comprises a broaching machine body, a tool magazine and a workbench, wherein the broaching machine body comprises a broaching machine driving assembly, a machine bed, a broaching machine guide rail and a broach clamping assembly, the tool magazine comprises a tool magazine seat, a tool magazine two-axis driving assembly, amechanical arm operating table, a rotating mechanical arm, a tool loosening shifting pin, an end-portion rotating tool rest, a broach clamping assembly, a middle rotating tool rest, a rotating shaft,a second bearing seat, a second bearing and a tool rest driving assembly, the broach clamping assembly comprises a swing rod spring, a swing rod and a V-shaped pressing block. According to the aircraft engine key part numerical control broaching center and the broaching method thereof, automatic tool changing of the broaching machine is realized, so that the machining efficiency of the aircraft engine key parts is greatly improved.

The invention provides a rotatable workbench for machining, and relates to the technical field of machining equipment. The rotatable workbench for machining comprises a base, and a rotating plate is fixedly connected to the inner part of the base. A gear ring is arranged on the lower surface of the rotating plate, and a telescopic rod is fixedly connected to the upper surface of the rotating plate. A a workbench body is fixedly connected to the end, far away from the rotating plate, of the telescopic rod. A second air cylinder is fixedly connected to the upper surface of the workbench, and a second connecting rod is fixedly connected to the output end of the second air cylinder. A clamping block is fixedly connected to the end, far away from the second air cylinder, of the second connecting rod. By the arrangement of a motor and a first air cylinder, the workbench can be rotated, lifted and lowered conveniently, one-time clamping is achieved, multiple times of machining can be conducted, the tedious steps of multiple times of clamping are avoided, and the machining efficiency is high. Meanwhile, positioning deviation caused by multiple times of clamping is avoided, and the machining quality is high.

The invention relates to the field of optical glass milling and grinding equipment, in particular to a gantry type five-axis linkage optical glass milling and grinding machine which comprises a machine body, stand columns, a crossbeam, a rotary workbench, a machine body base and a workbench base. The first supporting column is connected with a first ram through an X-axis feeding mechanism, and the second supporting column is connected with a second ram through an X-axis feeding mechanism. A third ram is perpendicularly arranged on the crossbeam. The third ram is connected with the crossbeam through a Y-axis feeding mechanism. The Y-axis feeding mechanism is provided with a Y-direction sliding seat. The third ram is connected with the Y-direction sliding seat through a Z-axis feeding mechanism. A swinging head and an A-axis feeding mechanism for controlling the swinging head to swing are mounted on the third ram. A tool disc is mounted on the swinging head. The rotary workbench is provided with a C-axis feeding mechanism. The machine body is of a gantry type structure, the structure is simple, maintaining and debugging are convenient, and rigidity and reliability are high; one-time clamping of a workpiece can be achieved, the machine has multiple purposes, and the machining quality and production efficiency of the workpiece are improved.

The invention discloses an ultrahard-material special-shaped component tensioning positioning tool assembly and milling method. The method comprises the following steps of discharging materials; rough-machining a special-shaped component; making a reserved clamping process step on the reference surface of the component; making process threaded holes in the reserved clamping process step for beingconnected with tools for tensioning positioning during positioning clamping; machining a groove at the bottom of the process step; performing quenching treatment; making the process threaded holes inthe process step surface; performing semi-finish machining by taking the process plane as a reference plane, and performing semi-finish machining on the step surface of the semi-finish milling processby using a milling cutter; performing aging treatment; finding a reference plane and finish-machining a reference hole with a margin to obtain a final reference hole; using a first tensioning tool component to complete semi-finish milling of each profile; performing finish machining, wherein a second tensioning positioning tool component is used for tensioning and positioning, and performing bottom-tooth micro-cutting machining by adopting a fine milling cutter; and removing the process step. The method enables efficient machining of ultrahard material special-shaped components.

The invention discloses a special clamp for multi-surface milling and boring of large parts, and belongs to the technical field of machining of artillery parts. The clamp comprises a clamp body, lifting bolts, a compression screw, a movable handle compression screw, a star-shaped pressing plate, positioning plates A, a positioning supporting column and a positioning plate B; supporting bodies are fixedly connected to the left side, the front side and the right side of the top of the clamp body, the compression screw is in threaded connection with the interior of the supporting body on the left side, and the positioning supporting column is connected in the supporting body on the right side; a movable jackscrew seat is arranged in a machine tool groove of a machine tool workbench and is in threaded connection with the movable handle compression screw; a long screw in the vertical direction is fixedly connected to the center of the upper plane of the clamp body in a threaded mode, and the positioning plates A are mounted on the front side and the rear side of the long screw and on the upper plane of the clamp body; the lifting bolts are in threaded connection to the two sides of the clamp body, and the positioning plate B is connected to the back of the supporting body on the front side of the upper plane of the clamp body. Grooves and holes in the three surfaces of a workpiece can be machined through one-time clamping.

The invention discloses a horizontal type polishing device for processing of automobile accessories. The horizontal type polishing device for processing of the automobile accessories comprises a pedestal, a first moving base and a second moving base; first guide rails are arranged on the top end face of the pedestal in a front and back symmetrical mode; a first screw rod is arranged between the two first guide rails; a first moving base matched with the first screw rod is arranged on the first screw rod in a sleeving way; a working platform is arranged at the right side end of the first movingbase; two second guide rails are arranged on the right side of the top end face of the pedestal; a second screw rod is arranged between the two second guide rails; a second moving base matched with the second guide rails are arranged on the second screw rod in a sleeving way; the left side end of the second moving base is fixedly connected with an electric telescopic rod; the other end of the electric telescopic rod is fixedly connected with a third motor; a motor shaft of the third motor is fixedly connected with a rotating shaft; the second motor drives the second moving base to move back and forth, so that a grinding wheel can move back and forth; and the grinding wheel moving left and right is fixed through the electric telescopic rod, so that process of multiple end faces during one-time clamping of a workpiece is realized and the processing efficiency is greatly improved.

The invention discloses an online measuring method and device for a cutter radius compensation value of a numerical control milling precision inferior arc, and the method comprises the steps: placing a standard block with a groove on a workbench, determining an auxiliary circle through a measuring needle in a lever indicator, and enabling the auxiliary circle to be tangent to the midpoint of the inferior arc; determining a corresponding X value and a corresponding Y value according to the origin coordinate value of the inferior arc and the center coordinate value of the auxiliary circle; moving the machine tool workbench to enable a machine tool spindle to reach the center position of the auxiliary circle; then moving a machine tool spindle to enable a measuring needle in the lever indicator to be in contact with the inferior arc, recording the grid degree of the dial plate deviating from the zero position, and calculating the actual radius of the inferior arc through the recorded grid degree; and finally, calculating the actual radius and the theoretical radius of the inferior arc, and calculating a corresponding compensation value according to the machining precision of the inferior arc. The online measuring method and device have the advantages of being simple in structure, convenient to operate and use, capable of improving the machining efficiency and precision, high in practicability and suitable for application and popularization.

The invention discloses a multi-angle multi-station drill clamp. The multi-angle multi-station drill clamp comprises a valve sleeve positioning block for clamping a valve sleeve, wherein the valve sleeve positioning block is a cuboid, and internally provided with a storage cavity; a fastening device is arranged on one side of the storage cavity; through holes which penetrate through the outer wall of the valve sleeve positioning block and are communicated to the storage cavity are formed in the valve sleeve positioning block; and the through holes correspond to drill holes of the valve sleeve in the storage cavity in positions and angles. According to the multi-angle multi-station drill clamp adopting the structure, before the valve sleeve is drilled, the valve sleeve is firstly placed in the storage cavity of the valve sleeve positioning block and fastened through the fastening device; and due to the fact that the through holes in the valve sleeve positioning block correspond to the drill holes of the valve sleeve in the storage cavity in positions and angles, the valve sleeve does not need to be carried out angle measurement, and a drill rod directly extend into the through holes so as to drill the valve sleeve in accurate positions.