SU582962A1 - Turret lathe - Google Patents

Description

I

The invention relates to a carousel lathe and can be used in the woodworking industry.

A carousel lathe is known, which includes a frame, a cutting mechanism in the form of a knife shaft, a feeding device in the form of a drive carousel mounted on a shaft with clamping centers and drive spindles l.

Also known is a carousel lathe stanok, including a frame, a cutting mechanism in the form of a knife shaft, a feeding device in the form of a driving carousel 2 mounted on a shaft.

However, the known machines have low productivity.

The purpose of the invention is to improve the performance of the machine.

This is achieved in that the carousel shaft is provided with an eccentric, and the clamping centers are mounted on a support that is mounted coaxially on the carousel body, each clamping center being connected to the eccentric using a pivotally attached L-shaped lever, a spring-loaded pusher in contact with the eccentric, and a glass, in which the clamping center is located in the bearings, while the shaft of each drive spindle is hollow, and in its cavity there is a spring-loaded sleeve movable relative to the longitudinal axis, with an emphasis in the bearing kah.

Figure 1 schematically shows the proposed machine; figure 2 is the same, the view in the plan; fig.Z - clamping center; figure 4 - drive spindle.

A cutting mechanism, made in the form of a drive knife shaft 1 mounted on a slide 2 with the possibility of reciprocating movement along the workpiece, is fixed on the machine bed.

Claims (2)

In the housings 3, a shaft 4 is fastened on the frame; it is equipped with an eccentric 5. The carousel 6 of the feeder is mounted on the shaft and equipped with an asterisk 1. associated with the drive. In the case of the carousel coaxially installed. adjustable caliper B having a terminal 9 for fixing the caliper in position. Clamps 10 are fastened to the caliper. A movable tumbler is placed in the clamping center's body.11, in which a center 12 is installed in the dipaxial supports. The tumbler 11 is pivotally attached with a L-shaped lever 13c perpendicular to the spring-loaded push rod 14, equipped with a roller 15, Tj Tj: b 14 of the clamping center is perpendicular to the shaft 4, passes through the hole of the support 8, the longitudinal groove 16 of the carousel casing b and contacts the eccentric 5. The drive spindles 17 are mounted on the anti-slip end of the carousel. The assembly in the bearing stops is mounted a hollow shaft 18 with a gear 19 at one end and a cam 20 at the other. In the cavity of the shaft 18 is inserted a movable along the longitudinal axis of the spring-loaded sleeve 21. In the cavity of the sleeve is placed in the bearing supports, the stop 22, while its working end passes inside the cam. The gears 19 of the drive spindles are engaged with the gear wheel 23, which is mounted in bearings on the shaft 4 and fitted with a water sprocket 24. Before operating the machine, the caliper 8 is rearranged to such a position that the distance of the spindles 17 and the clamping centers 10 is equal to the length of the workpiece. For this, the bolts of the terminal connection 9 are loosened and the caliper is manually moved along the body of the carousel 6. At the same time, the pushers 14 pass freely in the longitudinal grooves 16. After the caliper is set to the specified size, the bolts of the terminal joint are tightened again and the caliper 8 is fixed in this position After setting up the machine turn on the drives of the carousel b spindle, 17 and but the chevy shaft. Billets are installed without stopping the carousel and spindles. To do this, the saanoteer, located at the merry-go-round on the opposite side of the knife shaft, takes the workpiece with his hands, puts its end to the stop 22 of the spindle, presses it, moving it along with the spring-loaded sleeve 21, and turns the other end of the workpiece to the center 12 In this position, the workpiece does not rotate, since the stop 22 and the center 12 are mounted in the studs. When the workpiece approaches the cutter shaft, the roller 15 of the pusher 14 moving along the eccentric 5 moves away from the axis, and in the area of the knife shaft the amount of displacement of the pusher 14 away from the axis reaches its maximum value. When the pusher retracts, the movement is transmitted through the L-shaped lever 19 to the glass 1 1 and to the center 12. The center moves the workpiece toward the spindle 17 and presses it into the opposite end of the cam gear 20. The workpiece receives a rotational movement from the spindle. At the moment when the workpiece is suitable for the cutter shaft, the sled drive switches on with the end switches, ensuring the movement of the knife shaft along the length of the workpiece. The workpiece grinds. The forming machined surface in the axes of coordinates passing through the axis of the spindle and the end of the unit has the following parametric equations: r «+ R {l-cos 6О1, x Ul where r is the minimum distance from the axis of the spindles to the blade shaft; 1 is the distance from the axis of rotation of the carousel to the axis of the spindles; CjO is the angular velocity of rotation of the carousel; t is a time parameter; and - carriage feed rate. The equation of the generator part has the form: (i-C03) Thus, on the machine, it is possible to obtain parts that are close in shape to conical. When the machined part approaches the machine tool station, the pusher 14, pressed against the eccentric 5 by a spring, approaches the axis of rotation of the carousel and moves the center 12 away from the spindles. A spring-loaded sleeve 21 of the spindle with an emphasis 22 removes the end face of the part from the teeth of the cam 20, and the part can be removed in the sequence as during loading. In comparison with the known machine, the proposed machine has high productivity due to simplified maintenance. Claim 1. Carousel lathe including bed frame, cutting mechanism in the form of a knife shaft / feeding device in the form of a drive carousel mounted on a shaft with clamping centers and drive axles equipped with gears interacting with a driving gear wheel, characterized in that in order to maximize machine productivity, the carousel shaft is equipped with an eccentric, and the clamping centers are mounted on a support that is mounted coaxially on the carousel body, each clamping center associated with this stsentrikom using articulated L-shaped lever, podP11uzhinennogo pusher contacting the eccentric .and glass, which is located in the bearings clamping center. 2. Machine POP.1, different from 1g and with the fact that the shaft of each npti-water spindle is made half-finished and in its cavity there is a spring-loaded sleeve movable relative to the longitudinal axis with an emphasis on the bearing. Sources of information taken into account our expertise: 1. Author's certificate of the USSR 228251, cl. B 27 C 5/08, 1967. 2. Authors certificate of the USSR 346108, cl. B 27 C 5/02, 1969. AL : ". I .t IS Pae.4