CN103157813B - For the compound truning fixture that anchor ring and sphere are processed - Google Patents

Abstract

The invention provides the compound truning fixture for anchor ring and sphere processing, it can solve the problem that the difficulty of processing existed in existing processing method is large, machining accuracy is low, crudy is unstable and working (machining) efficiency is low.It comprises casing, in casing, Worm and worm-wheel gearing is installed, Worm and worm-wheel gearing comprises worm gear and worm screw, worm screw is longitudinally installed on casing, and polished rod one end of worm screw is through casing one sidewall, polished rod side end is provided with turning handle, worm gear is installed on worm-wheel shaft and is connected by key two, and worm gear and worm tooth shape are connected with a joggle, worm-wheel shaft is vertically installed in casing, its lower end is installed on the base plate of casing, upper end is through the top board of casing, the upper end of worm-wheel shaft is connected with knife bar by coupling body, the leading section of knife bar is provided with cutter head, a laterally sidewall of casing is provided with cramping body.

Description

Combined Turning Unit for Torus and Spherical Surface Machining

technical field

The invention relates to the field of profile processing tooling for complex profile components, in particular to a compound turning device for processing torus and spherical surfaces.

Background technique

Usually, the processing of the torus or spherical surface of the complex surface component is carried out on the ordinary lathe by using the arc turning tool, and the movement of the large carriage and the middle carriage is controlled by the cooperation of the hands of the worker. The precision of the machined surface is low, and The operator is required to have a high technical level, and the processing is difficult, so the processing quality is also unstable; in order to ensure the shape and position tolerance of the processing, the profiling method is also used for processing, but its processing efficiency is low.

Contents of the invention

In view of the above problems, the present invention provides a compound turning device for machining toroidal and spherical surfaces, which can solve the problems of high machining difficulty, low machining accuracy, unstable machining quality and low machining efficiency existing in existing machining methods.

Its technical scheme is as follows, it is characterized in that: it comprises box body, and described box body is installed with worm gear and worm transmission mechanism, and described worm gear and worm drive mechanism includes worm wheel and worm, and described worm is installed in described box body along longitudinal direction, And one end of the polished rod of the worm passes through the side wall of the box, and a rotating handle is installed at the side end of the polished rod, the worm wheel is installed on the worm wheel shaft and connected by key 2, and the worm wheel and the worm tooth The worm gear shaft is vertically installed in the box body, its lower end is installed on the bottom plate of the box body, and its upper end passes through the top plate of the box body. The upper end of the worm gear shaft is connected with a A cutter bar, a cutter head is installed on the front end of the cutter bar, and a clamping body is installed on the lateral side wall of the box.

It is further characterized by:

The two ends of the worm are respectively supported on the longitudinal side plates of the box by bearings, and the two ends of the worm are respectively fixed to the two longitudinal sides of the box by the first end cover, the gasket and the screws. board;

The worm gear shaft is vertically installed in the box body through a bearing, and the lower end of the worm gear shaft is fixed to the bottom plate of the box body through a bottom end cover and bolts;

The shaft coupling mechanism includes an upper connection plate and a lower connection plate, the lower connection plate is installed on the upper end of the worm gear shaft and positioned by a nut and a key, and the upper connection plate is fixed to the lower connection plate by bolts On; the upper connection plate is provided with a longitudinal slot, and the knife rod is installed in the slot and can translate in the slot;

A knife bar adjustment device is also connected to the knife bar, and the knife bar adjustment device includes a screw shaft, and the screw shaft passes through the knife bar along the direction of the card slot in the slot and is connected to the The knife rod is threadedly connected, the two ends of the screw shaft are installed on the upper connection plate through the second end cover, and the extending end of the screw shaft is equipped with an adjustment handle;

The rotating handle is installed on one end of the polished rod of the worm through the handle shaft;

The clamping body is installed on the side wall of the box on one side of the rotating handle.

The beneficial effect of adopting the compound turning device of the present invention is that it only needs to clamp the device of the present invention on the lathe tool holder, adjust the position of the cutter head and the workpiece according to the processing of the torus or spherical parts, and make the cutter head The trajectory is a torus or a sphere. By rotating the adjusting handle to adjust the radius of gyration of the cutter head, rough and finish machining can be achieved, thereby reducing machining difficulty and improving machining accuracy and efficiency.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the top view structure schematic diagram of adopting the device of the present invention to turn the component spherical surface;

Fig. 3 is the top view structural representation of the toroidal surface of the turning member by means of the device of the present invention;

Fig. 4 is a schematic top view of another embodiment of the present invention.

Detailed ways

See Fig. 1, Fig. 2 and Fig. 3, it comprises casing 1 of the present invention, and worm gear transmission mechanism is installed in casing 1, and worm gear transmission mechanism comprises worm wheel 2 and worm screw 4, and worm screw 4 is longitudinally installed on casing body 1, And one end of the polished rod of the worm screw 4 passes through the side wall of the box body 1, and a rotating handle 5 is installed at the side end of the polished rod. , the worm gear shaft 3 is vertically installed in the box body 1, its lower end is installed on the bottom plate 6 of the box body 1, and the upper end passes through the top plate 7 of the box body 1, and the upper end of the worm gear shaft 3 is connected with a knife rod 8 through a shaft coupling mechanism. A cutter head 9 is installed on the front end of the rod 8 through a screw 27 , and a clamping body 10 is installed on a lateral side wall of the box body 1 through a hexagon socket head cap screw 26 . The two ends of the worm 4 are respectively supported on the longitudinal side plates of the box body 1 through the bearings 11, and the two ends of the worm 4 are respectively fixed on the two longitudinal sides of the box body 1 by the first end cover 12, the gasket 13 and the screw 14. on the board; the worm gear shaft 3 is vertically installed in the box body 1 through the bearing 15, and the lower end of the worm gear shaft 3 is fixed on the bottom plate 6 of the box body 1 through the bottom end cover 16 and bolts 17; the coupling mechanism includes an upper connection plate 18 With the lower connection plate 19, the lower connection plate 19 is installed on the upper end of the worm gear shaft 3, and is positioned by 20 nuts and key one 21, and the upper connection plate 18 is fixed on the lower connection plate 19 by bolts 22, and the upper connection plate 18 has a Longitudinal draw-in slot 30, cutter bar 8 is installed in draw-in slot 30 and can translate back and forth in draw-in slot 30; The cutter bar adjustment device is also connected and installed on the cutter bar 8, and cutter bar adjustment device comprises screw shaft 31, screw shaft 31 Pass through the knife bar 8 along the card slot direction in the card slot 30 and be threadedly connected with the knife bar 8, the two ends of the screw shaft 31 are installed on the upper connection plate 18 through the second end cover 32, and the extended end of the screw shaft 31 is equipped with an adjustment The handle 33 rotates the adjusting handle 33 during work to drive the screw shaft 31, and the screw shaft 31 drives the knife bar 8 to move along the slot 30 through the inner thread of the knife bar 8; The handle shaft 23 is mounted on the polished rod end of the worm 4 through a pin 24 . Among Fig. 2, 28 is a chuck, and 29 is a service part, and 34 is a copper sleeve.

In another embodiment of the present invention, see Fig. 4, when the torus or spherical surface to be processed is located in the middle of the structure, the clamping body 10 is installed on the side wall of the box body 1 on the side of the rotating handle 5, and at the same time The polished rod section of screw rod 4 needs to be lengthened.

The working process of the device of the present invention is described in detail below: the device is clamped on the lathe tool rest, the position of the cutter head and the workpiece is adjusted according to the processing of the torus or spherical parts, and the cutter tip is adjusted to At the center of rotation, the tool tip is at the midpoint of the chord corresponding to the torus; when processing a spherical surface, the center of rotation of the connection plate coincides with the center of the sphere, and the tool tip is adjusted to the outer edge of the workpiece; after adjustment, the machine tool spindle is Rotate, make the cutter head trajectory be torus or spherical surface respectively by rotating the handle 5, and rotate the adjustment handle 33 to adjust the radius of gyration of the cutter head, so that rough and finish machining can be realized.

Claims (2)

1. for anchor ring and sphere processing compound truning fixture, it is characterized in that: it comprises casing, in described casing, Worm and worm-wheel gearing is installed, described Worm and worm-wheel gearing comprises worm gear and worm screw, described worm screw is longitudinally installed on described casing, and polished rod one end of described worm screw is through described casing one sidewall, described polished rod side end is provided with turning handle, described worm gear is installed on worm-wheel shaft and is connected by key two, and described worm gear and described worm tooth shape are connected with a joggle, described worm-wheel shaft is vertically installed in described casing, its lower end is installed on the base plate of described casing, upper end is through the top board of described casing, the upper end of described worm-wheel shaft is connected with knife bar by coupling body, the leading section of described knife bar is provided with cutter head, a laterally sidewall of described casing is provided with cramping body, the two ends of described worm screw are supported on longitudinal biside plate of described casing respectively by bearing, and the two ends of described worm screw are fixed on two longitudinal side plates of described casing respectively by the first end cap, sealing gasket and screw, described worm-wheel shaft is vertically installed in described casing by bearing, and the base plate of described casing is fixed in the bottom of described worm-wheel shaft by bottom head covers, bolt, described coupling body comprises terminal pad and lower terminal pad, and described lower terminal pad is installed on the upper end of described worm-wheel shaft and by nut and key one location, described upper terminal pad is secured by bolts on described lower terminal pad, described upper terminal pad has longitudinal draw-in groove, and described knife bar to be installed in described draw-in groove and can translation in draw-in groove, described knife bar is also connected and installed with knife bar adjusting device, described knife bar adjusting device comprises screw shaft, described screw shaft passes described knife bar along described draw-in groove direction and is threaded with described knife bar in described draw-in groove, described screw shaft two ends are installed on described upper terminal pad by the second end cap, and the external part of described screw shaft is provided with regulating handle, described cramping body is installed on the wall box of described turning handle side.

2. the compound truning fixture processed for anchor ring and sphere according to claim 1, is characterized in that: described turning handle is installed on polished rod one end of described worm screw by Handle axis.