SU1524988A1 - Automatic feeding device - Google Patents

Abstract

The invention relates to a machine tool industry, in particular to devices for automatic loading of technological machines with piece items of complex shape, and can be used in rotary feed machines. The aim of the invention is to improve the reliability of the rotary power supply when the submission of parts such as disks with a shank directed at an angle to its central axis. The rotary power pack includes a shaft 2 mounted rotatably on the base 1. On the shaft 2 is fixed to the hopper 3 with a conical bottom, on the periphery of which evenly around the circumference are mounted gripping bodies, made in the form of telescopic storage tubes 7, on which the cutters 11 and 12 are mounted. Under each storage tube, the secondary orientation mechanism is mounted, in the form funnel, whose surface in cross section is made in the form of an ellipse, and spring-loaded damper, and the funnel is made of two half-rings 21 and 22. Half ring 22 is installed with the possibility of reciprocating movement In the vertical plane from the cam 24 mounted on the base 1. A finger 32 is mounted on the half-ring 21 so as to be movable in the radial direction from the cam fixed on the base 1. Under the funnels on the shaft 2 there are mounted receivers made in the form of arcuate guides on the end which the plug is mounted, the teeth of which are mated with the ends of the arcuate guides of the receiver and are located in a horizontal plane, and the teeth of the fork are pivotally connected and spring-loaded with each other. 4 hp ff, 17 ill.

Description

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holds shaft 2 mounted on base 1 rotatably. On the shaft 2 is fixed a hopper 3 with a conical bottom, on the periphery of which evenly around the circumference are mounted the gripping bodies made in the form of telescopic storage tubes 7, on which 11 and 12 are mounted. Under each storage tube, a secondary orientation mechanism mounted funnels, the surface of which is cross-sectioned in the form of an ellipse, and spring-loaded damper, and the funnel is made of two semirings 21 and 22. Half ring 22 is installed with

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 The invention relates to a machine tool industry, in particular, to devices for automatic loading of technological machines by piece items of complex shape.

The purpose of the invention is to improve the reliability of the rotary power supply when supplying parts such as disks with a shank directed at an angle to its central axis.

FIG. 1 shows a rotary feed automat, longitudinal section; in fig. 2 is a view A of FIG. one; in fig. 3 shows a section BB in FIG. one; in fig. 4 shows a section B-B in FIG. 2; in fig. B is a view of F in FIG. one; in fig. 6 is a view of D in FIG. one; in fig. 7 shows section EE of FIG. 6; in fig. 8 - section MF in FIG. one; in fig. Y - I in FIG. one; Fig. Orientable detail, top view; in fig. 11 is a view of K in FIG. ten; in fig. 12 is a view of L in FIG. eleven; in FIG. 13, view M in FIG. eleven; in fig. 14 is a diagram of the arrangement of the rotary power tool and transport rotor; FIG. 15 is a section HH in FIG. 9; in fig. 16 is a view of P in FIG. one; in fig. 17 is a P-P slit in FIG. 14.

The rotor power supply unit contains a base 1, a shaft 2 with a hopper 3 rigidly connected with it, which is filled with the supplied parts 4. The latter are made in the form of a disk 5 with a pin 6 directed at an angle to its central axis.

Evenly around the circumference of the conical bottom of the hopper 3 mounted gripping bodies, made in the form of labor

the ability to reciprocate in the vertical plane from the cam 2A fixed on the base 1. On the half ring 21 a finger 32 is mounted with the possibility of moving in the radial direction from the cam fixed on the base 1. Receivers made in the form of arcuate directions are mounted under the funnels on the shaft 2 on the end of which the plug is mounted, the teeth of which are matched with the ends of the arcuate receiver guides and are located in a horizontal plane, and the teeth of the fork are hinged ( Zhineny among themselves. 4 .i, f-ly, 17 ill.

side accumulators 7 installed with the possibility of reciprocating movement in a vertical plane parallel to the axis of shaft 2 with a cross-section diameter equal to (with a corresponding allowance) disk diameter L of part 4, for reliable and unhindered gripping of the latter during rotation of the rotary power supply.

Under the storage tubes 7, the receiving tubes 9 are fixed (coaxially last) on the disk 8 rigidly connected with the shaft 2 of the disk 8.

At the outlet of each receiving tube 9 are mounted on 8 axis x 10 bolted to the disc, the cutters 11 and 12 of the supplied parts are in contact with the cams 13 and 14 fixed on the base 1.

The cutters 11 and 12 are spring-loaded with torsion springs 15 and 16, respectively, moreover, to avoid deforming the parts 4, the cutter 11 includes a spring-loaded 18 tip 18 with an elastic part 19.

On the disk 20 rigidly connected to the shaft 2, the mechanisms of secondary orientation of the parts, made in the form of component funnels, are mounted uniformly around the circumference coaxially of the receiving tubes 9. One half ring 21 of the funnel is rigidly connected with the disk 20, and the other half ring 22 is installed with the possibility of reciprocating movement along the plane of the funnel connector. In this case, the grave is with a half-ring 22 funnel poiiHK 7-3 interaction5 .r

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cam 24,

In the morning, the surface of the funnel lii.i is filled in the vice cone of the conical current part 25 and 1C1 cylindrical1 of section 26 with an ellipse-shaped cross section with dimensions equal to (with a certain allowance of 1.6 - 2 mm per side) with minimal dimensions the area of the orthogonal projection 1C1 and 27 parts 4.

At the lower end of the semiring 21, the funnels are installed with the possibility of swinging around the axis 28 a valve 29, spring-loaded spring 30. The valve 29 interacts with a cam 31 fixed on the base 1. Vertically movable pin 32 is installed in a vertical groove made in the semiring 21 of the funnel 21 and spring loaded spring 33 The lower part of the upright movable pin 32 is made in the form of a wedge and interacts with the radially movable slider 34 installed in the radial groove in the lower part of the semiring 21 of the funnel. The radially movable slider 34, spring-loaded spring 35, interacts with the cam 36, mounted on the base 1.

On the disk 37, receivers 38 are fixed under each funnel, drilled as bent forks with an inclined plane 39 and a horizontal section 40 with a groove for passing parts 4.

The horizontal section 40 is embedded in a composite, the sides 41 and 42 of the latter are interconnected by an axis 43 and an elastic element 44. The gripping members 45 of the transport rotor 46 include sponges 47 and 48.

The storage tubes 7 are telescopic, and the component parts 49 and 50 are rigidly connected with the corresponding sliders 51 and 52. The latter, by means of the rollers 53 and 54, interact with the cam 55 mounted on the base 1. Parts 4 that are not held on the receivers 38 are removed by tray 56.

The rotor feed machine works in the following way.

When the shaft 2 rotates, the sliders 51 and 52 are activated, as a result of which the component parts 49 and 50 of the storage tubes 7 begin to be lifted.

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Iratno-ios-ops gg.chio move with a mix of relative relative to each other (mlkgimalkp value of which determined etg ich conditions of effective -came p.tann tubes accumulators 7 parts 4, zap 1lnnts1x bunker 3, i.e. iioiiai aeTCH equal, for example, to the magnitude of the verticality of the stroke of the sliders 51 and) 2),

The effective gripping of parts 4 by storage tubes 7 is also determined by the fact that the cross-sectional diameter of the latter is (not counting the corresponding allowance of 1 - 2 mm per side) to the diameter of the disk 5 of part 4.

Thus, parts 4 G1 enter the holes of the storage tubes 7, and

2Q then in the reception opening | 8 tubes 9 in a continuous flow, and each subsequent part 4 has its own part in some part preceding and this excess (the subsequent part

25 above the previous one in the opening of each receiving tube 9) has a certain minimum value (determined by dimensions 4). The latter circumstance determines the effective work

, cutoffs 11 and 12 - at the time of withdrawal of the cutter 12 from the opening of the receiving tube 9 and the arrival of the bottom part 4 into the hole of the funnel, the cutter 11 clamps the subsequent part 4, providing alternate arrival of the last 5 to the orientation mechanisms (half rings 21 and 22).

After passing through the receiving tube 9 of the zone of the piece 4 into the orientation mechanism, the slam-shutter 12 covers the opening of the receiving tube 9, and the upper slam-shutter 11 is led out of the last hole, as a result of which the lower piece 4 occupies the initial position for entry into the orientation mechanism.

The deformation of parts 4 when clamping them with a slam-shut 11 is excluded, since the tip 18 of the latter is spring-loaded, and, in addition, has an elastic 19 that directly interacts with parts 4 that have sufficient rigidity.

Upon receipt of the part 4 in the orientation mechanism last gets

 on the tapered lead-in portion 25 of the inner surfaces of the half-rings 21 and 22. In this case, the half-rings 22 of the funnel are driven into vertical returnable 40

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translational movements (relatively rigidly associated with the disk 20 of the semiring 21 of the funnel) along the plane of the connector by means of a kinematic pair of roller 23 - cam 24.

A kinematic pair cam 36 - a radially movable half-bus 34 leads to reciprocating motion 15

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vertical-movable pin 32, the radial plane 39 of the receiver plug which prevents the part 4 zakli-38 in two positions by the shank 6

thread with a maximum diameter (the value of which is equal to the largest distance between the first two points of part 4) in the conical inlet part 2b of the funnel. The cross sections of the conical inlet part 25, as well as the cross sections in the funnel cylindrical section 26, are coaxial ellipses, and the longitudinal axis of the vertically movable pin 32 should be located at the top of that major axis (i.e. the cross section of the conical inlet part 23) the value of which is equal to the maximum diameter of the part 4 (the distance between the points of its shank 6 most distant from the center axis of the latter and diametrically opposite points of the disk 5).

These reciprocating movements of the half-ring 22 of the funnel and the vertically movable pin 32 contribute to the effective passage of the detail 4 of the conical inlet part 25 of the funnel.

Since 11 the cylindrical section 26 of the funnel has an ellipse-shaped cross-section with dimensions equal to those having the minimum orthogonal projection area of the part 4, the latter falls into the narrowly shaped section 26 oriented at four possible positions (two mirror-symmetric positions with the shank 6 downwards and two mirror-symmetric position with the shank up), since only such positions of the part 4 allow the passage of the cylindrical portion 26 of the funnel.

In the area of the piece-wise parts 4 to the orientation mechanism and the valve 29, the funnel hole is closed at the bottom.

In the delivery zone of the part oriented 4, from the mechanism of orientation to the receiver 38, the half ring 22 of the funnel is fixed in the lowest position 1) (symmetric to the half ring 21 of the funnel relative to

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with a probability of 100%, and the parts 4, which fall into the receiver 38 from two positions by the shank 6 upwards, due to the displaced center of gravity, the elements 4 turn over and occupy the required position.

In the latter case, the probability of the final orientation of the part 4 is about 95%, since a small part of the parts 4 is not retained on the plug of the receiver 38 during a flip - the removal of such parts from the working area of the rotary automatic power supply is done by means of a circular tray 56.

All parts 4 of the receiver 38 on the inclined plane 39 slide down to the horizontal section 40 of the receiver 38 and take the final position required to transfer them to the transport rotor 46.

In the zone of transfer of parts 4 into the transport rotor 46, the sponges 47 and 48 of the gripping bodies 45 of the latter fix the shank 6 of the part 4 and the last of the rotor automatic power supply, overcoming the clamping force of the lateral sides 41 and 42 of the horizontal portion 40 of the receiver 38.

In order to guarantee the emptying of the funnel after passing through the last zone of transfer of parts 4 to the transport rotor 46, half rings 22 of the funnel are raised by cam 24 for some time by a distance of 1.5 meters of disk 5 of part 4,

Claims (5)

Invention Formula 1, Rotary automatic feeder, containing a shaft mounted on the base for rotation, a hopper with a conical bottom fixed on the shaft with clamping bodies uniformly tuned along its periphery than the accumulator tubes8 but the plane of its connector) and the flap 29 is retracted by the cam 31 to the side, opening the funnel hole. Item 4 falls (at the four indicated oriented positions) onto the inclined plane 39 of the receiver plug 38 and occupies the desired position. At the same time, details 4 falling on 0 five 0 five 0 five 0 five with a probability of 100%, and parts 4, which enter the receiver 38 from two positions by the shank 6 upwards, due to the shifted center of gravity of the part 4, turn over and occupy the required position. In the latter case, the probability of the final orientation of the part 4 is about 95%, since a small part of the parts 4 is not retained on the plug of the receiver 38 during a flip - the removal of such parts from the working area of the rotary power supply is performed by the inclined tray 56. All parts 4 of the receiver 38 on the inclined plane 39 slide down to the horizontal section 40 of the receiver 38 and occupy the final position required to transfer them to the transport rotor 46. In the zone of transfer of parts 4 into the transport rotor 46, the sponges 47 and 48 of the gripping bodies 45 of the latter fix the shank 6 of the part 4 and the latter of the rotary power supply, overcoming the clamping force of the lateral sides 41 and 42 of the horizontal section 40 of the receiver plug 38. In order to guarantee the emptying of the funnel after passing through the last zone of transfer of parts 4 to the transport rotor 46, half rings 22 of the funnel are raised by cam 24 for some time by a distance of 1.5 meters of disk 5 of part 4, Invention Formula 1, A rotary automatic feed machine containing a shaft mounted rotatably on a base, a hopper with a conical bottom fixed on the shaft with uniformly bridged along its periphery gripping bodies made in the form of gear tubes with piece-by-piece mechanisms, parts orientation mechanisms, placed under the respective storage tubes coaxially last, and receivers mounted on the shaft below. orientation mechanisms and made in the form of arcuate inclined guides, characterized in that, in order to increase the reliability of the rotary power supply when feeding parts like disks with an angled shaft directed at its central axis, each orientation mechanism is designed in the form of a funnel and spring-loaded dampers mounted under the funnel with the possibility of swinging in a plane perpendicular to the funnel axis, the surface of the funnel in the transverse displacement made in the form of an ellipse. 2. A feed automat according to claim 1, o t — characterized in that each receiver is provided with a fork, the teeth of which are coupled with the ends of the arcuate guideways of the receiver and are located in a horizontal plane, moreover the teeth of the fork are pivotally connected and spring-loaded together. 3. Food Auto on PP. 1 and 2, characterized in that the funnel is made of a composite of two half-rings, with one half-ring mounted with the possibility of reciprocating movement in a vertical plane. 4. Auto Power on PP. 1-3, characterized in that the funnel is provided with a finger mounted on the conical surface of the second half-ring with the possibility of reciprocating movement parallel to the axis of the funnel from the additionally introduced mechanism performed in the form of a slider mounted for movement in the radial plane, and a cam mounted on the base capable of interacting with the slider. 5. Food Auto on PP. 1-4, characterized in that the storage tubes are telescopic. Type A Fz, FIG. B-s /  Rig.Z 21 FIG. You 6 f- .7 2 51 Fig.8 0112.9 FIG. ten View Rotated View K / 7) // 7. -L FIG. eleven View M Turn 27 FIG. IS rr turned 59 Fi, g. 17 8uf / l sa g u 0U9.JS