SU437578A1 - Toothing device - Google Patents

Description

one

The invention relates to devices for the formation of teeth on surfaces of parts such as discs and rollers, in particular on the surface of the rollers that feed the wire to automatic welding machines.

Devices for the formation of teeth on the surfaces of parts such as disks and rollers are known, which include tools for notching teeth mounted on the base, which are under the influence of a lever rotated by means of a cam mounted on a rotating shaft connected by a system of levers with the mechanism of step-wise rotation of the shaft bearing workpiece.

To form teeth on conical surfaces of rollers with different diameters and different tapers, the proposed device is equipped with a spindle tilt angle adjustment mechanism and a relative shaft position adjustment mechanism, bearing part, and a notch tool.

The tilt angle adjustment mechanism can be made in the form of a bearing spindle with the workpiece lever, which is connected to the bed by one end of the hinge, and the other by means of a screw with an adjustable length of the part protruding from the bed.

The mechanism for adjusting the relative position of the spindle and the notch tool can be made in the form of a glass that encloses the tool and can be rotated in the plane of movement of the tool with the sleeve rotated around a stand in the fastener-shaped perpendicular to the longitudinal axis of the rack.

To eliminate vibrations of the tool and improve the quality of the parts received, the instrument for the bee can be mounted in the glass with axial movement under the action of a lever that interacts with the tool, carrying a load at the free end as a set of replaceable disks fixed above the tool and fitted with a spring that returns it to the starting position.

FIG. 1 shows the proposed device, top view; in fig. 2 - the same, front view; in fig. 3 - notch tool; in fig. 4 - spindle mount for mounting the workpiece, longitudinal

incision; in fig. 5 is a section along the line A-A in FIG. 1. On the base 1, a bracket 2 is fixed, with which an axis 3 is connected to a lever 4. On the lever a spindle 5 is fixed, on which the roller being mounted is mounted 6. The other end of the lever is pivotally connected to a screw 7 screwed

in the frame and adjustable with the store's help 8. A stand 9 is also fixed on the bed, and a sleeve 10 is mounted on it, which is connected with a fork 11, which in turn is hinged by means of an axis 12 with a sleeve 13. In the glass there is a sleeve 14, which serves tool guide 15 for notching the teeth, making working movement under the influence of the lever 16, interacting with the cam 17 and turning around the axis 18. At the end of the lever 16, located above the tool for notching the teeth, a weight in the form of replaceable discs 19 is installed. e position for the incision tool is returned by the spring 20. The abutment limits the travel movement of the screw 21 tool.

The cam 22, through a shchagovogo rotation mechanism, made in the form of a system of levers 23-25, a slider 26 and a disk 27 with a toothed surface mounted on a spindle 5 on the lever 4, kinematically connects the spindle carrying the workpiece to the lever 16, which informs the movement of the tool notches.

The device works as follows.

From the electric motor 28, the rotation 29 transmits rotation to the shaft 30, carrying the cams 17 and 22. The cam 17 acts on the lever

16 is rotated and the weight advances the movement to the notch tool. Simultaneously, the cam 22 through the system of levers 23-25 and the slider turns the disk 27 to the required pitch, after which the slider 26 returns to its original position under the action of the spring 31, and the spring 32 presses the slider to the toothed end of the disk. After the cam 17 comes out of contact with the lever 16, the lifted load drops under its own weight and hits the notch tool. The shaft, continuing to rotate, rotates the cam

17, which lifts the load, and the cam 22 rotates the spindle with the workpiece being processed.

Subject invention

Claims (4)

1. A device for the formation of teeth on the surfaces of parts such as disks and rollers, containing a notch tool mounted on a frame, under the influence of a lever turned by means of a cam mounted on a rotating shaft connected by a system of levers to mehapism of spindle rotation of a spindle bearing the workpiece, characterized in that, in order to enable the formation of teeth on the conical surfaces of the rollers with different diameters and various tapers, it is equipped with a mechanism for adjusting the angle of inclination of the pinch and a mechanism for adjusting the relative position of the shaft, the bearing part, and the tool for notching the teeth. 2. A device according to claim 1, characterized in that the mechanism for adjusting the angle of inclination of the pinch spindle is made in the form of a bearing spindle with the workpiece lever connected to the bed by one end of the hinge and the other by means of a screw with an adjustable length of the part protruding from the bed. 3. The device according to claim I, characterized in that the mechanism for adjusting the relative position of the spindle and notch tool is made in the form of a glass that encloses the tool and is rotatably connected in the plane of movement of the tool with the sleeve turned around a rack mounted on the frame in a plane perpendicular to the axis of the rack. 4. Device on PP. 1 and 3, characterized in that, in order to exclude vibrations of the tool and improve the quality of the parts produced, the notch tool is installed in the glass with the possibility of relative axial movement under the action of the said lever carrying the load B at the free end as a set of replaceable disks fixed above tool, and equipped with a spring that returns it to its original position. , / 29 / 7 30 / U /////////////// Л eight Riga 5