10 results about "Indexing head" patented technology

The utility model discloses a device for processing high interchangeability support type parts, which comprises a rotary body, an adjustable positioning groove, a positioning screw, a pressing plate and a clamping bolt, one end of the rotary body is connected with a rotary dividing head of processing equipment, and the other end of the rotary body is used for clamping and positioning the parts; the positioning screw is connected with the rotary body through the adjustable positioning groove and is used for aligning and locking the part; the clamping bolts penetrate through the pressing plates to be connected with the bolt holes in the two sides of the rotary body and used for pressing the support parts. According to the device disclosed by the utility model, a part can be quickly positioned and clamped on the device, so that a conventional three-axis machining method is changed along with the rotation characteristic of the whole device, and the part can be operated and machined on equipment or a dividing head with rotation machining capability. By means of the device, accumulative errors of high-interchangeability support parts in the machining process can be reduced, the size precision, consistency and interchangeability of batch parts are improved, the technological process is shortened, and the production efficiency is improved.

The utility model provides a fixing device for processing a plurality of connecting rods, the fixing device comprises a positioning device, a clamping device and a pressing device, the positioning device comprises a positioning body and a positioning screw, the clamping device comprises a tool body, a V-shaped pressing plate and a jackscrew, and the pressing device comprises a pressing bolt, a gasket, a three-legged pressing plate, a pressure spring and a pressing foot. When the device is used for machining a plurality of connecting rods, a plurality of connecting rod workpieces can be accurately positioned and machined, and the problems that clamping errors and rotation errors are caused due to the fact that a dividing head is used for fixing in the connecting rod workpiece machining process, efficiency is low, the yield is insufficient, and the requirement for the skill level of an operator is high are solved. The device is simple in structure and low in manufacturing cost, and the batch machining convenience and efficiency of the connecting rod workpieces can be improved.

The utility model discloses a device for processing a revolving body part, a first through hole penetrating through the left end face and the right end face of the revolving body part is formed in the middle of the revolving body part, an indexing mechanism comprises an indexing head, a three-jaw chuck, a mandrel and a center, and the indexing head and the center are both arranged on a workbench; the three-jaw chuck is arranged on the right side of the dividing head; a first cylinder and a second cylinder are arranged at the left end and the right end of the mandrel respectively, the middle of the mandrel is arranged in a first through hole in the middle of the rotary part, the three-jaw chuck clamps the first cylinder, and the tip abuts against the second cylinder. The pressing mechanism comprises a guide column, a pull rod and a pressing block, a guide groove extending in the Y-axis direction is formed in the pressing block, and the pressing block makes contact with the upper surface of the rotary body part; the guide column is vertically arranged between the workbench and the pressing block. The lower end of the pull rod is fixed to the workbench, and the upper end of the pull rod is arranged in the guide groove. The device is convenient to install and easy to operate, and a plurality of holes in the side face of the rotary body part can be machined through one-time clamping.

The application relates to a five-axis gantry machine tool, and relates to the technical field of machine tools. The machine tool comprises a machine body, a workbench, two mounting seats, a rotary table, an indexing head and a protective device. The protective device comprises two protective covers which are provided with mounting holes for the rotation shafts to pass through; two protective sheets which are arranged on the two protective covers, abut against the rotary table and are used for blocking the contact between the chips and the rotation shafts; and two supporting mechanisms which are arranged on the rotary table, are connected with the two protective covers through rotating assemblies at one end and form a gap hole for the indexing head to pass through at the other end. The two supporting mechanisms and the two protective covers can realize the cladding protection of the rotary table. When the workpiece falls, the workpiece collides with the supporting mechanism, the supporting mechanism can buffer the workpiece, the damage to the rotary table is reduced, the chips fall on the surface of the supporting mechanism, the machining precision of the machine tool is improved, and the convenience during the chip cleaning is improved.

The invention discloses a shaft part milling device with a multi-station clamping function. The shaft part milling device comprises a milling module and a clamping module, the clamping module comprises a mounting plate, a dividing head, a first positioning unit, a second positioning unit, a first linkage rod and a first driving air cylinder, the three-jaw chuck is fixedly mounted on a main shaft of the dividing head, the first positioning unit is fixedly mounted on the other side of the mounting plate, and the second positioning unit is slidably connected to the mounting plate; one end of the first linkage rod is fixedly mounted on the second positioning unit, the opposite other end of the first linkage rod penetrates through the first positioning unit and then is connected with the synchronous block, and the end of a piston rod of the first driving cylinder is fixedly mounted on the synchronous block; wherein one end of a to-be-machined part is clamped and fixed in the three-jaw chuck, and the other opposite end of the to-be-machined part sequentially penetrates through the second positioning unit and the first positioning unit. Compared with the prior art, the problem that bending deformation is prone to occurring due to the fact that the clamping quality is poor in the milling machining process of the slender shaft is solved.

The utility model discloses an automatic rotation type CNC (computer numerical control) common tool clamp which comprises a CNC workbench, a numerical control dividing head, a tailstock and a clamping assembly, and the two ends of a common tool base of the clamping assembly are connected with the corresponding numerical control dividing head and the corresponding tailstock respectively. The clamping assembly further comprises a replaceable die core and an air cylinder pull rod mechanism, the replaceable die core is installed on the upper surface of the public tool base in a screwed mode through a locking screw, and the replaceable die core is provided with at least two part positioning columns. The air cylinder pull rod mechanism comprises a 90-degree corner air cylinder and a movable pull rod connected to the driving end of the 90-degree corner air cylinder, and a T-shaped pull rod head in a T shape is arranged at the upper end of the movable pull rod. A base through hole is formed in the public tool base, a mold core through hole is formed in the replaceable mold core, and the movable pull rod sequentially penetrates through the base through hole and the mold core through hole from bottom to top. The CNC tool clamp has the advantages of being novel in structural design, convenient to use and high in universality, and the design and development cost of the CNC tool clamp can be effectively reduced.

The utility model discloses a kind of positioning device of equal division annular thin-walled part using wire cutting machine, belong to annular piece cutting positioning technical field, including positioning plate, tool boss, compression member, at least two equal division cutting grooves and limiting piece;Arc-shaped guide surface is equipped on tool boss;The structure of this device is simple, the clamping cutting of annular thin-walled part can be realized by positioning plate, tool boss and compression member, without using index head and bottom plate like prior art, reduce the device quantity required by clamping, without additional constraint device, procurement manufacturing cost is saved;Meanwhile, when clamping cutting, using arc-shaped guide surface can ensure that annular thin-walled part is in concentric state when cutting, positioning speed is fast, the step of carrying out concentric calibration to annular thin-walled part is saved, while clamping step is simple, shorten the process time of clamping and cutting.

The utility model relates to the technical field of steering positioning pieces, and discloses a simple steering positioning mechanism which comprises a positioning seat, a sliding sleeve, a positioning ball and a rotating shaft, and the sliding sleeve is sleeved on the surface of the rotating shaft. According to the utility model, the positioning seat, the sliding sleeve, the positioning ball and the rotating shaft are matched for use, during working, when the cylindrical pin on the sliding sleeve is positioned in the straight groove at the upper part of the rotating shaft, the second locking position of the sliding sleeve is in contact with the positioning ball, the positioning ball is pressed into the spherical hole of the rotating shaft, and the positioning ball is fixedly connected with the sliding sleeve, so that the positioning and locking of the rotating shaft are realized; the problems that in the prior art, in the working process of many machines, an executing mechanism of the machines needs to rotate one fixed angle, position and lock, such as a drill bushing and a multi-directional planer, in order to achieve the function, a dividing head or a servo motor and a self-locking device are often used for achieving the function, the structure is complex, cost is high, and the size and weight are large are solved.

The utility model discloses a hub laser lettering positioning tool which comprises a base plate, a plurality of supporting columns are installed on the upper portion of the base plate, the supporting columns are perpendicular to the base plate, the upper ends of the supporting columns are connected with a supporting plate, a dividing head is installed on the supporting plate, a chuck is installed on the dividing head, and an installation piece is fixedly installed on the chuck. According to the utility model, the angle of the wheel hub can be accurately adjusted, so that laser lettering can be carried out at the accurate position on the wheel hub.

A mounting plate and a hydraulic tailstock are mounted on a bottom plate, a hydraulic dividing head is mounted on the mounting plate, the hydraulic dividing head is connected with a hydraulic expansion sleeve, at least two adjustable V-shaped blocks are mounted on the bottom plate between the mounting plate and the hydraulic tailstock, the adjustable V-shaped blocks are driven by a lifting mechanism to ascend and descend in the vertical direction, and the adjustable V-shaped blocks are connected with the hydraulic expansion sleeve. And the mining supporting shaft is positioned on the adjustable V-shaped block and is positioned and fixed with the tailstock tip through the hydraulic expansion sleeve. The method is scientific and reasonable in design, the hole position error is smaller than or equal to 0.03 mm through field experiments, the perpendicularity is smaller than or equal to 0.02 mm / 100 mm, and the machining precision is greatly improved; the machining time of a single piece is shortened by 40%, unattended batch production is supported, and the machining efficiency is greatly improved. The adjustable V-shaped block can be used for machining the supporting shaft with the diameter being 80-300 mm and the length being smaller than or equal to 2000 mm, the application range is wide, and social and economic benefits are remarkable.