JPH0811611B2 - Multiple parts feeder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a multi-part feeder adapted to feed parts from each of a plurality of part feeders vertically arranged in multiple stages.

[Conventional technology and its problems]

The Applicant has recently used, as a parts feeder of this type, a spiral parts transfer track formed along an inner peripheral wall thereof, a parts receiver having a first opening at a central bottom, and a part receiver disposed below the parts receiver. A drive portion mounting plate having a second opening provided in the central portion and aligned with the first opening, and a plurality of leaf springs arranged at an equal angular interval to connect the component receiver and the drive portion mounting plate , A plurality of part feeders, each of which is composed of a movable core fixed to either one of the component receiver and the drive unit mounting plate and an electromagnet fixed to the other, are vertically mounted on the upright column, respectively. Insert through the second opening,
A multi-part feeder has been developed which is supported below the respective component receivers on a support member fixed to the upright support via a vibration-proof elastic member.

However, the spiral tracks of the multi-part feeder are all wound in the same direction, and the parts are transferred along this, and the parts are supplied to the next process from the discharge end of each track. When all the next steps are arranged on the same side of the upright column, the space is limited, and therefore the arrangement may be very difficult.

[Problems to be solved by the invention]

The present invention has been made in view of the above problems, and an object of the present invention is to provide a multiple parts feeder that does not require any troublesome adjustment work for connection in the next process and facilitates the arrangement in the next process.

[Means for solving problems]

The above-mentioned object is to form a spiral component transfer track along the inner peripheral wall portion, and a component receiver side mass having a first opening at the center bottom, and a center part disposed below the component receiver side mass. And a drive unit mounting plate side mass having a second opening aligned with the first opening, and arranged so as to be inclined at an equal angular interval. The component receiver side mass and the drive unit mounting plate side mass are coupled downward. A plurality of leaf springs, a movable core fixed to one of the component receiver-side mass and the drive unit mounting plate-side mass, and an electromagnet fixed to the other. The first and second openings are inserted through the upright columns at intervals in the vertical direction, and are supported on the support members fixed to the upright columns below the masses of the component receivers via the anti-vibration rubbers. In the multi-part feeder configured to The vessel side mass is achieved by multiple parts feeder being characterized in that so as to be supported on the vibration isolating rubber.

[Action]

Since the discharge ends of the trucks of the parts feeders are made upside down and the winding directions of the trucks are alternately reversed, even if the upright columns are on the same side, they can be sufficiently separated in the horizontal direction. For example, the arrangement of each chute becomes easy.

Since the mass of the component receiver side is supported by the anti-vibration rubber against the upright column and is connected via the leaf spring to the mass of the drive unit mounting plate side below it, the mass of the drive unit mounting plate side is the mass of the component receiver side. And 180 degree phase change to perform torsional vibration, absorb most of the vibration reaction force of the component receiver side mass, and then use the anti-vibration rubber that supports the component receiver side mass to generate the vibration reaction force on the upright column. Since it does not transmit the vibration reaction force, only a small part of the vibration reaction force needs to be isolated from the vibration so that the vibration reaction force can not be efficiently transmitted to the upright column. Since the center of gravity of the entire movable part including the drive part mounting plate side mass is lower than the anti-vibration rubber, stable torsional vibration of these movable parts minimizes unnecessary oscillation other than desired torsional vibration. It is therefore possible to use a spiral component transfer truck. It is possible to precisely set the connection between the discharge end of the and the next process, for example, the trough of the linear vibrating feeder. For example, even for very small parts, the boundary can be set precisely, Even small parts can be smoothly supplied to the next process.

〔Example〕

Hereinafter, a multiple parts feeder according to an embodiment of the present invention will be described with reference to the drawings.

In the figure, the multiple parts feeder as a whole (1)
, And is supported on the base plate (2), and the base plate (2) is supported on the ground via the anti-vibration rubber (3). A cylindrical support part (4) is integrally formed at the center of the base plate (2), and a screw part (5a) formed at the lower end of the upright cylinder (5) is screwed and fixed thereto. There is. Three parts feeders (6), (7) and (8) are supported on the upright cylinder (5) through each member described later. Since these parts feeders (6), (7) and (8) have almost the same structure, the parts feeder (6) in the uppermost stage will be mainly described below.
Will be described.

The parts feeder (6) is provided with a ball (9) having a generally outer shape, and a spiral part transfer track (10) is formed on the inner peripheral wall portion thereof. A circular opening is formed in the central bottom of the ball (9), and a cylindrical member (11) is fixed to this, and a cylindrical auxiliary support member (14) is fixed to this.
Through which the upright cylinder (5) described above is inserted.
Is inserted. The auxiliary support member (14) is in contact with the support ring (22) at the lower end, and the support ring (22)
Is fitted in the upright cylinder (5), and the tubular member (11) of the lower part feeder (7) (hereinafter, the same parts are the same in each part feeder (6) (7) (8)). The auxiliary support member (16) corresponding to the auxiliary support member (14) is inserted into the upper surface of the auxiliary support member (16). That is, the support ring (22) is sandwiched between the upper and lower auxiliary support members (14) (16). In this respect, the lower part feeders (7) and (8) are also constructed in the same manner, and the lid member (12) screwed to the upper end of the upright cylinder (5).
By tightening the screw part (12a), the auxiliary supporting members (14) (16) and the auxiliary member (45) for the lowermost part feeder (8) are integrated and fixed to the upright cylinder (5). To be done. A hook (13) is fixed to the lid member (12) so that the entire multiple parts feeder (1) can be transported by, for example, a crane.

An annular mounting member (17) is fixed to the bottom of the ball (9), and a leaf spring mounting plate (18) is in contact with the lower end of the ball, and the annular auxiliary mounting member (19) is shown in FIG. Place the inner edge against the mounting member (17) as shown in the illustration, and tighten the bolt (20).
The ball (9) and the leaf spring attachment plate (18) are integrated by screwing the screw into the screw hole of the leaf spring attachment plate (18) and tightening. The ball (9), the annular mounting member (17), the leaf spring mounting plate (18), and the like constitute the mass of the component receiver side of the present invention.

The leaf spring mounting plate (18) has an opening (18a) through which the auxiliary support member (14) is inserted, which is formed in the central portion.
A plurality of recesses (21) are formed near the inner peripheral edge. Screw holes are formed in the support ring (22) at equal angular intervals near the outer peripheral edge thereof, and screws fixed to the lower end of the anti-vibration rubber (23) are screwed into these and fixed to the upper end thereof. The screw (24) is attached to the recess (21) of the leaf spring mounting plate (18).
Through a hole formed at a position corresponding to the ball (9) and the leaf spring mounting plate (18) integrated with the ball (9) by screwing and tightening a nut (25) into the hole. 22) It is supported via a vibration-proof rubber (23) on it so as to be stably torsionally vibrable.

Notches are formed in the leaf spring mounting plate (18) so as to have four inclined surfaces (18b) at equal angular intervals. Correspondingly, the driving portion mounting plate (27) also has four notches. The notch is formed so as to have (27b), and each slope (18b) (27
A leaf spring (26) is fixed to b) as shown in FIG. The angle of inclination of the four leaf springs (26) with respect to the vertical direction is the same. That is, the pair of movable cores (51) are hung downward to the plate spring mounting plate (18) mounted so that the bowl 9 is torsionally vibrated at the inclination angle.
(52) are fixed in a positional relationship as shown in FIG. 4, and electromagnets (28) and (29) each having a coil wound so as to face them with a gap g therebetween are connected to the drive unit mounting plate (27). ) Fixed. Further, balance weights (30) (31) are fixed on the drive unit mounting plate (27).

As shown in FIG. 4, a mounting member (32), which is annular but has three thin portions, is fixed to the lower surface of the drive unit mounting plate (27) by bolts (53).
The individual steady rests (60) are fixed at equal angular intervals. The steady rest member (60) comprises a cylindrical rubber member (33), a bolt portion (34) and a nut (35) fixed to the rubber member (33), and the bolt portion (34) penetrates the thin portion of the mounting member (32). The rubber member (33) for steadying is positioned and fixed by screwing the nut (35) into the screw hole and screwing the nut (35) into the screw hole. That is, the nut (35) also works as a detent and is also used for position adjustment. Rubber member (3
3) shall be sufficiently soft, but shall have sufficient hardness to prevent the ball (9) from moving up and down with respect to the torsional vibration surface. In the above, the drive unit mounting plate side mass of the present invention is constituted by the drive unit mounting plate (27), electromagnets (28), (29), balance weights (30), (31) and the like.
Further, in the present embodiment, the rubber member (33) is brought into contact with the annular auxiliary support member (16), but the compression force of the rubber member (33) is made variable according to the degree of tightening of the nut (35). You may do it. Alternatively, a gap may be provided between the rubber member (33) and the peripheral surface of the auxiliary support member (16) by adjusting the nut (35).

The uppermost part feeder (6) in the multiple part feeder (1) is configured as described above, but the other part feeders (7) and (8) are also configured in the same manner. However, in the middle part feeder (7), as clearly shown in FIG. 1, the leaf spring (38) is inclined in the direction opposite to the leaf spring (26) of the upper part feeder (6) with respect to the vertical direction. ing. Correspondingly, the spiral track (10) formed on the inner peripheral walls of the balls (9) of the upper and lower parts feeders (6) and (8) is wound counterclockwise when viewed two-dimensionally,
It is wound clockwise in the middle part feeder (7). In addition, the electromagnet (41) fixed on the drive unit mounting plate (27) 'and those of the upper part feeder (6) of the movable core (61) fixed on the plate spring mounting plate (62) have a circular circumference. It is fixed at a position offset 90 degrees above. Accordingly, the balance weight (42) is also fixed at a 90 degree offset from the upper part feeder (6). In addition, the linear supply ends (37) (44) of the tracks (10) of the upper and lower parts feeders (6) (8) that extend outwardly of the balls are aligned vertically as shown in FIG. However, as it is clear from FIG. 2, that of the middle part feeder (7) (43) is located at a position displaced by 180 degrees from the above-mentioned supply end (37) (44).
Extend parallel to. In this way, a sufficiently large space can be provided between the supply ends of the parts feeders in the vertical direction, so that the connection relationship to the next process can be facilitated.

Although not shown, each parts feeder (6) (7)
The lead wire connected to the coils of the electromagnets (28), (41) and (28) of (8) is led out to the outside through an opening (not shown) below through the hollow portion of the upright cylinder (5) and connected to the control circuit. It has been done. Further, the spring constant of the anti-vibration rubber (23) is sufficiently low and is set to several Hz in this embodiment, and the coil of each electromagnet (28) (41) is energized with a current rectified from a commercial power source (50 Hz). The parts feeders (6), (7) and (8) are driven at a frequency of 50 Hz.

Although not shown, each ball (9) (40) is also provided with an aligning means, but unaligned parts fall into a pocket and are returned to the inside of the ball. Only the parts feeder (7) is shown and is shown as (39).

The embodiment of the present invention is configured as described above, and the operation and effects thereof will be described below.

Electromagnet (28) of each parts feeder (6) (7) (8)
When an alternating current of a commercial power source is applied to the coil of (41), a torsional vibration force is generated between each ball (9) (40) and the drive unit mounting plate (27) (27) ', and the ball (9) (10) Makes torsional vibrations. The balls (9) of the upper and lower part feeders (6) and (8) are inserted counterclockwise when viewed in plan, and the parts are transferred along the track (10) by a transfer force. Further, the ball (40) of the parts feeder (7) in the middle stage gives a clockwise transfer force to the input component, and the component is transferred along the track (70). Since the balance weights (30) and (31) are attached to the drive part mounting plates (27) of the parts feeders (6), (7) and (8), the balls (9) and (40) have a desired regular torsional vibration. Do.

The drive mounting plates (27), (27) 'are bowls (9),
Since the counter weights vibrate 180 degrees out of phase due to the mounting structure of the electromagnet, the vibration transmission force to the base plate (2) can be made extremely small as a whole.

Further, according to this embodiment, the drive unit mounting plates (27) (27) '
Since a steadying rubber member (33) is provided between the annular support plate (32) fixed to the lower surface of the and the outer peripheral surfaces of the auxiliary support members (14), (16) and (45), the electromagnet ( 28) (41)
When the coil is energized, a torsional vibration force is generated between the bowl (9) (40) and the drive unit mounting plate (27) (27) ', and the drive unit mounting plate (27) also receives a reaction force and twists. Vibration occurs, but vibration in the vertical direction with respect to a predetermined torsional vibration surface is suppressed. Therefore, the balls (9) (40) supported thereon via the leaf springs (26) also do not vibrate vertically with respect to a predetermined torsional vibration surface, and are surely moved to the next step (not shown) such as a chute. And, the parts can be smoothly supplied. This is particularly effective in the case of small electronic parts. Also, when installing this multi-part feeder (1), it is necessary to adjust the connection to the next process, but in this case, when adjusting the position while vibrating each ball, there is no vertical swing as in the past, so it is easy. The connection is adjusted.

Although the embodiments of the present invention have been described above, needless to say, the present invention is not limited to these, and various modifications can be made based on the technical idea of the present invention.

For example, in the above embodiments, the ring-shaped support member (32) is provided with three steady rest members (60), but in some cases, this may be one, or as in the embodiments, the rubber member (33).
May be a semi-circular rubber member or an annular shape instead of the cylindrical block shape. Alternatively, even if this steady rest member is omitted, the effect of the present invention is not lost.

Also, in the above embodiments, the parts feeder (6) (7)
(8) has three stages, but the number of stages may be further increased.

Further, in the above embodiment, the three-stage parts feeder (6)
(7) (8) Discharge end of truck (37) (43) (37)
Have all been on the same side with respect to the upright stanchions, but of course some may have the tracks wound on the other side.

〔The invention's effect〕

According to the multi-part feeder of the present invention, the arrangement and arrangement of the next process connected to the discharge end of the truck of each component receiver becomes easy, and the total sum of the vibration reaction forces transmitted to the upright columns is higher than that of the conventional one. It can be much smaller.

Further, unnecessary swinging of the mass of the component receiver including the component receiver can be minimized, so that the supply of each vibrating part feeder from the truck to the next process can be always smooth.

[Brief description of drawings]

FIG. 1 is an elevation view of a multiple parts feeder according to an embodiment of the present invention, FIG. 2 is a plan view of the same, and FIG.
4 and FIG. 4 are enlarged sectional views taken along line IV-IV in FIG. In the figure, (6) (7) (8) …… Parts feeder (10) …… Truck (26) (38) …… Leaf spring

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-58-162421 (JP, A) JP-A-60-178114 (JP, A) Practical application Sho-62-2524 (JP, U) JP-B Sho-60- 14728 (JP, B2) JP 60-14729 (JP, B2) JP 60-14730 (JP, B2) JP 60-14731 (JP, B2)

Claims (3)

[Claims] 1. A component receiver side mass having a spiral component transfer track formed along an inner peripheral wall thereof and having a first opening at a central bottom, and a central part disposed below the component receiver side mass. And a drive unit mounting plate side mass having a second opening aligned with the first opening, and arranged so as to be inclined at an equal angular interval. The component receiver side mass and the drive unit mounting plate side mass are coupled downward. A plurality of leaf springs, a movable core fixed to one of the component receiver-side mass and the drive unit mounting plate-side mass, and an electromagnet fixed to the other. The first and second openings are inserted through the upright columns at intervals in the vertical direction, and are supported on the support members fixed to the upright columns below the masses of the component receivers via the anti-vibration rubbers. In the multi-part feeder configured to Multiple parts feeder, characterized in that the side mass so as to be supported on the vibration isolating rubber. 2. The tilt direction of the plurality of leaf springs of each of the plurality of part feeders with respect to the vertical direction and the winding direction of the component transfer track are alternately reversed in the vertical direction. The multiple parts feeder described in 1). 3. An at least one elastic member is interposed between an attachment member fixed to a peripheral portion of the second opening of the drive unit attachment plate side mass and an outer peripheral portion of the upright column.
Multiple parts feeder described in.