JPH11292256A - Vibrating mechanism for aligning pallet in parts transfer machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent strong vibration from being transmitted to a parts transfer machine itself during a process for aligning and housing parts in parts housing holes of an aligning pallet. SOLUTION: In a parts transfer machine 1 for aligning and housing parts in parts housing holes 46 formed on an aligning pallet by simultaneously applying oscillation and vibration to the aligning pallet 3 for aligning parts 2, two vibration bases 4, 5 for applying vibration to the aligning pallet are arranged one above the other below the aligning pallet, and respective vibration bases are so provided as to be horizontally reciprocated through a driving part 7 and also as to be operated in the opposite directions in moving.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration structure of an aligning pallet in a part transfer machine, and more particularly, to simultaneously oscillating and vibrating the aligning pallet to align and store parts in a part receiving hole formed in the aligning pallet. The present invention relates to a vibration structure of an alignment pallet in a component transfer machine in which strong vibration is not transmitted to the component transfer machine itself in a process of causing the vibration.

[0002]

2. Description of the Related Art Conventionally, as a vibration structure of an alignment pallet in a component transfer machine for simultaneously giving a swing and a vibration to an alignment pallet and aligning and storing components in a component storage hole formed in the alignment pallet, For example, it has been known that the rotation of a motor is converted into reciprocating motion via a converting means, and the reciprocating motion is transmitted to one vibration base to give vibration to the alignment pallet.

[0003]

However, in such a vibration structure of an alignment pallet, the vibration base repeatedly vibrates the alignment pallet while repeating the reciprocating motion so that the components are aligned and stored in the component storage holes of the alignment pallet. During the operation, the component transfer machine itself oscillates strongly due to resonance, and the vibration adversely affects peripheral devices such as malfunction.

SUMMARY OF THE INVENTION The present invention solves the above problems, and particularly, when a component is aligned and stored in a component storage hole of an alignment pallet, vibration of the alignment pallet in the component transfer machine is prevented from being transmitted to the component transfer machine itself. The challenge is to propose a structure.

[0005]

As a means for solving the above problems, a vibration structure of an alignment pallet in a component transfer machine according to the present invention provides a vibration and a vibration to an alignment pallet for aligning parts at the same time. A component transfer machine for aligning and storing components in component storage holes formed in the alignment pallet, wherein at least two vibration bases for applying vibration to the alignment pallet are vertically arranged below the alignment pallet. Each of the vibration bases is provided so as to be capable of reciprocating in a horizontal direction via a driving unit, and is provided so as to operate in opposite directions when movable.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a component transfer machine to which a vibration structure of an alignment pallet in a component transfer machine according to the present invention is applied, and the component transfer machine 1 is an alignment pallet 3 for aligning and storing components 2. And two vibration bases 4, 5
And a swinging device 6 and a vibration device 7.

The oscillating device 6 is arranged from one side in a base frame 60 provided at the lower part of the component transfer machine 1. The oscillating device 6 rotates the motor 8 in a forward / reverse direction so that its movement is changed to a belt. The base 12 is pivoted in the front-rear direction by transmitting the rotation to the rotation shaft 13 through the base 9. Reference numeral 61 denotes a bearing member provided upright on both sides of the upper surface of the base frame 60, and reference numeral 62 denotes a support member for supporting a base to be described later. A belt wheel 63 is fixed to one of the rotation shafts 13, and the belt 9 is wound around the belt wheel 63.

Incidentally, since such a swinging device 6 has been conventionally known, its detailed description is omitted here.

A vibration device 7 is attached to the center of the base 12, and two support members 16 for supporting both ends of the guide bars 14 arranged side by side are provided on the upper surface near both sides of the base 12. Fixed.

Next, a vibration device (drive unit) 7 includes a motor 20 disposed on the back surface of the base 12 at a position slightly deviated from the center thereof, a belt wheel 10 fixed to the tip of an output shaft 18 thereof, An eccentric cam 22 fixed to the tip of a rotating shaft 21 supported on one side of a support frame 15 provided on the upper surface at the center of the base 12
An operating rod 23 that repeats a reciprocating motion in the left-right direction by the rotation of the eccentric cam 22, an eccentric cam 26 fixed to the tip of a rotating shaft 25 supported near the other side of the support frame 15, and It is constituted by an operating rod 27 that repeats a reciprocating motion in the left-right direction by the rotation of the eccentric cam 26.

The belt wheel 10 fixed to the tip of the output shaft 18 of the motor 20 and one belt wheel 17 fixed to the rotating shaft 25 are linked via a belt 19. Also,
A belt wheel 30 fixed to the rotating shaft 21 and a rotating shaft 25
Is linked via a belt 32 to the other belt wheel 31 fixed to.

Above the vibration device 7, vibration bases 4 and 5 are arranged at a predetermined interval, and bearing guides 34 fixed to both lower surfaces of one vibration base 4 are provided.
Bearing guides 35 fixed to both lower surfaces of the other vibration base 5 are slidably attached to the guide bar 14.

Since the structures of the bearing guides 34 and 35 and the guide bar 14 are well known, a detailed description thereof will be omitted.

An L-shaped bracket member 37 is provided near one side of the rear surface of the vibration base 4, and the distal end of the bracket member 37 is connected to the distal end of the operating rod 27 via a bolt 38. An L-shaped bracket member 39 is provided near the other side of the rear surface of the vibration base 5, and the distal end of the bracket member 39 is connected to the distal end of the operating rod 23 via a bolt 40.

In the opening 41 formed at one side of the vibration base 5, a bracket member 37 and a bearing guide 34 provided near one side of the back surface of the vibration base 4 are arranged in an idle state. In the opening 43, a bearing guide 34 provided on the other side of the back surface of the vibration base 4 is arranged in a play state. Reference numeral 42 indicates a bearing.

In the above, when the operation of the motor 20 is controlled, the eccentric cams 22 and 26 rotate to operate the operating rods 23 and 27.
Repeatedly reciprocate in the left and right direction, whereby the vibration bases 4 and 5 operate and vibrate in the left and right direction. At this time, since the vibration bases 4 and 5 are provided so as to operate in directions opposite to each other, the vibrations are buffered and a strong vibration is not transmitted to the component transfer machine 1. I have.

Next, an alignment pallet 3 is arranged at the center of the upper surface of the vibration base 4, and auxiliary pallets 45 are arranged on both sides of the alignment pallet 3. And
A component storage hole 46 for aligning and storing the components 2 is formed on the upper surface of the alignment pallet 3. The auxiliary pallet 45 on one side of the alignment pallet 3 is pressed and fixed against the alignment pallet 3 by a pressing device 50. Reference numeral 47 indicates a stopper member.

In the pressing device 50, a pressing plate 54 and a handle 55 are connected by a connecting rod 53 penetrating an attachment plate 51 provided on one side in the longitudinal direction of the vibration base 4, and the pressing plate 54 is It is urged toward the alignment pallet 3 by a coil spring 56 wound around a connecting rod 53 located between the attachment plate 51 and the pressing plate 54.

It is preferable that the vibration bases 4 and 5 have the same weight. Therefore, since the vibration base 4 is uniform, it is desirable that the vibration base 5 has a weight obtained by adding the weight of the vibration base.

Since the vibration structure of the sorting pallet in the component transfer machine is constructed as described above, first, the vibration bases 4 and 5 are stopped in a horizontal state, and an empty space is formed on the upper surface of the vibration base 4. Pallet 3
Is placed. In this state, the handle 5 of the pressing device 50 is
The auxiliary pallet 45 is placed on both sides of the empty pallet 3 by pulling the auxiliary pallet 5 against the bias of the coil spring 56, and the handle 55 is released to separate the empty pallet 3 and the auxiliary pallet 45 from each other. It is fixed on the vibration base 4.
In this case, the auxiliary pallets 45 can be securely fixed to both sides of the alignment pallet 3. Thereafter, the component 2 is set on the auxiliary pallet 45.

Next, the motor 20 of the vibration device (drive unit) 7
Is controlled, its rotational force is transmitted to belt wheels 17, 30, 31 via belts 19, 32, and the rotating shaft 21,
25 together with the rotation of the eccentric cams 22 and 26
The vibration bases 3 and 27 repeatedly reciprocate in the left and right directions, whereby the vibration bases 4 and 5 start to vibrate in the left and right directions at a preset amplitude and frequency. At this time, since the vibration bases 4 and 5 are provided so as to operate in directions opposite to each other, the vibrations are buffered, thereby preventing the strong vibration from being transmitted to the component transfer machine 1. It is formed so that.

A support member 16 for supporting both ends of the guide bar 14 to which the vibration bases 4 and 5 are slidably attached.
Is fixed to a base 12, and the base 12 rotates the motor 8 of the rocking device 6 by rotating the motor 8 forward and reverse to transfer the movement to the belt 9.
Is formed so as to swing back and forth by the force transmitted to the movable shaft 9 via the oscillating shaft 9. Therefore, when the swinging device 6 is controlled to operate while the vibration bases 4 and 5 are vibrating. The vibration bases 4 and 5 start swinging back and forth, whereby the components 2 fall into the component storage holes 46 provided in the alignment pallet 3 and can be aligned and stored reliably.

[0024]

As described above, according to the vibration structure of the aligning pallet in the component transfer machine according to the present invention, at least two vibrating bases for applying vibration to the aligning pallet are vertically arranged below the aligning pallet. Each of the vibration bases is provided so as to be capable of reciprocating in a horizontal direction via a driving unit, and operates in opposite directions when the movable base is movable, so that the vibrations are buffered and a strong vibration is transmitted to the component transfer machine. Therefore, it is possible to suppress a bad influence such as a malfunction on peripheral devices due to strong vibration.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a part transfer machine to which a vibration structure of an alignment pallet is applied in a part transfer machine according to the present invention, in which a part of the part transfer machine is omitted.

FIG. 2 is a side view of a main part of the component transfer machine.

FIG. 3 is an explanatory diagram showing a relationship between an eccentric cam and an operating rod.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Component transfer machine 2 Parts 3 Alignment pallet 4, 5 Vibration base 7 Vibration device (drive part) 46 Parts storage hole

Claims (1)

[Claims] 1. A component transfer machine for simultaneously oscillating and vibrating an alignment pallet for aligning components and aligning and storing components in component storage holes formed in said alignment pallet. At the bottom, at least two vibrating bases for applying vibration to the alignment pallet are vertically arranged side by side, and each of the vibrating bases is provided so as to be able to reciprocate in a horizontal direction via a drive unit, and operates in opposite directions when movable The vibration structure of the alignment pallet in the component transfer machine characterized by being provided so that.