SU297251A1 - Semiautomatic machine for sharpening incisors on the back side - Google Patents

Description

The invention relates to toolmaking and can be used with an elastic sharpening of the cutters on the rear face.

Known machines for the elastic sharpening of incisors on the rear face with the frame, carrying the mechanisms of the elastic cross feed shpifoval} 1st grandma with adjustment handwheels.

The proposed machine is characterized in that the cross feed mechanism interacts with a runner slide with the help of a roller attached to it, in contact with a coping bar mounted on the cylinder of the hydraulic cylinder and connected to the lobe interacting with the limit switch.

The drawing shows the scheme of the proposed semi-automatic.

It consists of a bed 1, inside of which there is a cooling tank with a pump and a hydraulic unit (not shown in the drawing). On the frame, an automatic transverse feeding mechanism 2 is fastened, along the rails of which the ram 3 of the incision moves. Along the upper guides of the slide 3, the oscillating movement of the slide 4 oscillates on which the electric motor 5 of the drive fastens on the arm of the grinding machine 6, located in the body of the bells of the slide 4 and is attached to the sleeves of the slide of the slide 7, which is rigidly attached to the hydraulic cylinder 7, which is rigidly attached to the sleeves of the slide chassis 4. The oscillating movement of these sleeves originates from the hydraulic cylinder 7, which is rigidly attached to the sleeves of the slide chassis 4. The oscillating movement of the slide comes from the hydraulic cylinder 7, which is rigidly attached to the cylinder 7, which is rigidly attached to the bells of the slide chisel 4. . Button 8 changes the distance between the stops 9 and 10, and hence the magnitude of the oscillation. The slider 3 is moved along the axis of the spindle by means of a spring 11 and transverse feed is carried out. The clamping force of the wheel to the tool to be sharpened is adjusted by the handwheel 12. The hydraulic cylinder 13 of the mechanism 2 serves to compress the spring 11, thereby providing the required amount of removable bit and removing the grinding tool 14 at the initial point of sharpening.

The removable allowance is regulated by the stroke of the pistons of the hydraulic cylinder 13, on the brush of which a copier plate 15 is installed, which is completed with a double-sided bevel and is in contact with the stop 16 when moving. The position of the latter and the end key 17 is adjusted by the handwheel 18.

Claims (1)

The adjustment movement of the slide 3 is made by the handwheel 19. In this case, the carrier 23 (a coupled nut) rigidly connected to the slide 3 is moved through the gear wheel 20 and the screws 21 and 22. The wheel 20 is engaged with the gear wheel 24 fixed to the end of the screw 25. When the carrier 23 is moved, the screw 25 rotates with the aid of the wheel 24, and moreover. 26, the spring 11 retains its original position. The roller 27 interacts with the strap 15 "equipped with a petal 28. The semiautomatic works as follows. The cutter is installed with orientation on the working end of the grinding diamond wheel 14 and is clamped in the tool. When the start button of the cycle is pressed, the cylinders 13 and 7 and the electric motor 5 are successively turned on. moves away from the sharpened tool. At this time, it begins to rotate with the circle 14c by supplying the coolant in a non-contact state (the circle with the cutter to be ground). Upon further movement of the piston of the hydraulic cylinder 13, the roller 27 contacts with the second bevel of the bar 15, releases the pre-compressed springs 11, as a result of which the slide 3 is transversely fed. The adjustable stop 16 limits the movement of the bar 15, i.e. determines the amount of lateral flow. Associated with the strap 15, the petal 28, at its extreme position, turns on the limit switch 17, mounted on the stop 16, which transmits a command to the nursing time relay and retraction of the sled 3 by the amount of the removed allowance. The springs 11 are then compressed again, preparing the feed mechanism for sharpening the next cutter. The adjustment movement of the slide 3 is carried out by the handwheel 19 through gears and further onto the wheel 20, which, when rotated, moves the carrier 23, which is rigidly connected to the slide 3. At the same time, the wheel 20 rotates the wheel 24 with the screw 25, and when the carrier 23 moves, the wheel 24 and the slider 26, the position remains unchanged due to the corresponding gear ratio of the gear pair 20,24 and the pitch of the screws 21, 22 and screw 25, which maintains a predetermined force of the springs 11. The piston of the hydraulic cylinder 7 performs the longitudinal feed of the grinding head. The feed rate is adjusted by button 8 through the lug nuts 9 and 10, which cooperate with the plug connected to the next spool, which controls the hydraulic cylinder 7. Claim of the invention Semiautomatic device for sharpening the cutters on the rear face, the bed slide of which carries the mechanisms of elastic transverse and longitudinal feeds of tsifovatalny grandma with adjustment knobs, characterized in that, in order to increase productivity, a roller in contact with a copier is mounted between the elastic transverse feeding mechanism and the sled. a strap mounted on the hydraulic cylinder rod and fitted with a leaf interacting with the limit switch. 5 6