The invention relates to an aviation small module internal spline part gear slotting processing tool and a processing method thereof. The aviation small module internal spline part gear slotting processing tool comprises a clamp body, a plugging body, a hexagonal socket head cap screw, a positioning disc, a positioning mandrel, a spline part, a gear slotting cutter and a cutter receiving holder, wherein the plugging body is plugged into the clamp body in a matching manner; small holes are formed in the periphery of the clamp body; a U-shaped notch is formed in the clamp body; the positioning disc is installed on the clamp body through the hexagonal socket head cap screw; the spline part is positioned and installed on the positioning disc through the positioning mandrel; and the gear slotting cutter is connected with a spindle of a gear slotting machine through the cutter receiving holder. An aviation small module internal spline part gear slotting processing method comprises the following steps: a. mounting and aligning the gear slotting cutter; b. mounting and aligning a workpiece; c. processing the workpiece; and d. detecting the workpiece. According to the aviation small module internal spline part gear slotting processing tool and the processing method, the clamping and positioning accuracy of the part is guaranteed, the ability of processing and manufacturing an aviation small module internal spline part and the efficiency are improved, the cost is saved, and the aviation small module spline parts are processed.

Aviation small module internal spline part gear slotting processing tool and processing method thereof

The invention discloses an in-shaft spline and outer circle coaxiality machining and positioning device and a process method According to a traditional method, the outer circles of workpieces are clamped through a chuck, and then the end faces are pressed; due to the fact that the sizes of the outer circles and the axial lengths of the workpieces are different, some workpieces can not be directly clamped and can not be positioned until multiple gaskets are arranged at appropriate positions, positioning standards and alignment standards of the workpieces can not be unified, the tool rigidity is influenced when the axial sizes are large, and the machining accuracy is low The in-shaft spline and outer circle coaxiality machining and positioning device is composed of a jig body and a gasket Four U-shaped grooves which are evenly distributed are formed in the bottom of the jig body The jig body is fixed to a working table when T-shaped bolts penetrate the U-shaped grooves Four T-shaped grooves which are evenly distributed are formed in the upper end of the jig body Workpieces are fixed when T-shaped bolts penetrate the T-shaped grooves The gasket is placed on the jig body, and it must be ensured that two planes are parallel The workpieces are placed on the gasket The gasket is selected according to the workpiece positioning outer circle size According to the designed positioning device, the purpose of unifying the in-shaft spline and outer circle process standards is achieved, positioning is stable, and the machining accuracy is high

In-shaft spline and outer circle coaxiality machining and positioning device and process method

The invention relates to a shaft sleeve internal spline gear shaping clamp which comprises a clamp body, a pull rod, a cone body provided with a slant groove and a chuck which is arranged in the cone body and clamps a clamped workpiece tightly. The cone body is fixedly connected with the clamp body. The pull rod is fixedly connected with the chuck. An inrun matched with the slant groove in the cone body is arranged on the outer side wall of the chuck. An elastic transition sleeve is arranged on a contact face between the chuck and the clamped workpiece. According to the shaft sleeve internal spline gear shaping clamp, positioning datum and technological datum are unified, and an upper datum outer diameter and a lower datum center hole are used for being a common datum to carry out positioning. Clamping precision is high, a supporting point and a cutting point are basically arranged in the same cross section face, supporting rigidity is large, the structure is compact, and efficiency is high. The elastic transmission sleeve is used for shortening the distance between a clamping portion and a gear shaping portion and knife vibration is avoided. Thus, machining quality is ensured.

Shaft sleeve internal spline gear shaping clamp

The invention relates to a gear shaping clamp of an internal spline shaft. The gear shaping clamp comprises a base, a tightening sleeve and eccentric wheels; a big-end-up conical hole matched with the tightening sleeve is vertically formed in the middle of the upper end face of the base, and the lower end hole of the conical hole is axially connected to a round through hole with the same radius; the tightening sleeve is installed in the conical hole, and the upper end of the tightening sleeve is fixed to a supporting plate arranged above the base through a fixing plate; and the two eccentric wheels are installed at the parts, located below the supporting plate, of the two sides of the base in a rotating mode and support the lower end face of the supporting plate, a connecting rod is connected to the side wall of each eccentric wheel, and the two connecting rods are connected through a handle. According to the gear shaping clamp, the internal spline shaft is clamped by the tightening sleeve and is self-centered at the outer diameter part of an internal spline, work-pieces can be taken out by pressing down the handle after gear shaping is completed, the process that workers need to loosen or tighten the work-pieces hard through a three-jaw key can be eliminated, the hidden quality and safety danger caused by intervals of a three-jaw chuck can be avoided, the work efficiency can be improved, and the labor intensity can be lowered.

Gear shaping clamp of internal spline shaft

The invention belongs to the technical field of machine tool clamps, and relates to a skiving machine expansion sleeve type clamp. The clamp comprises a clamp sleeve used for clamping a workpiece, wherein elastic chucks are arranged on the periphery of the clamp sleeve and apply clamping force pointing to the geometric center of the clamp sleeve to the clamp sleeve, a clamp body is arranged at oneend of the clamp sleeve and provides structural support for the clamp sleeve and the elastic chucks, the elastic chucks are symmetrically arranged on the periphery of the clamp sleeve along the geometric center line of the clamp sleeve, and the elastic chucks are of a cylindrical structure. According to the clamp, workpiece positioning precision is improved, workpiece deformation is prevented, then gear cutting precision is improved, the gear cutting service life of a cutter can be prolonged to a certain extent, the structure is simple, the rotational inertia of a skiving machine workbench isreduced, and it is guaranteed that a machine tool can be safely and stably stopped.

Skiving machine expansion sleeve type clamp

The utility model relates to a gear shaping clamp of an internal spline of a shaft sleeve. The gear shaping clamp comprises a clamp body, a pull rod, a cone with a chute and a clamping head arranged in the cone to tightly clamp a clamped work-piece, wherein the cone body is fixedly connected to the clamp body; the pull rod is fixedly connected to the clamping head; the outer sidewall of the clamping head is provided with a sloping bench which matches with the chute in the cone; the contact surface of the clamping head and the clamped work-piece is provided with an elastic transitional sleeve. The positioning standard and the technology standard are unified, and an upper standard outer diameter and a lower standard tip hole are used as the public standards for positioning, so that the clamping precision is high, a support point and a cutting point are basically located in the same section and have great support rigidity, the structure is compact, and the efficiency is high; the distance from the clamping position to the gear shaping position is reduced through the elastic transitional sleeve, a knife vibration phenomenon is avoided, and further the machining quality is guaranteed.

Zhang Rang

Papers

Gear shaping clamp of internal spline of shaft sleeve

Shaft sleeve internal spline gear shaping clamp