JP2561929Y2 - Parts alignment device - Google Patents

Description

[Detailed description of the invention]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component aligning apparatus for aligning electronic components and precision mechanical components on a component aligning pallet. More specifically, the present invention relates to a device for reliably and efficiently irrespective of differences in weight and shape. Related to a structure for good alignment.

[0001]

2. Description of the Related Art Taking precision instruments such as ICs and watches as examples, they are mass-produced except for special ones, and the number of parts in the manufacturing process and the distribution process is enormous. Since assembly of mass products is performed by a series of operations, necessary components for each process, for example, packages and frames of a predetermined number of lots in an IC must be supplied in an aligned state. Therefore, in the manufacturing process of various parts, it is necessary to arrange the parts for each predetermined lot.
However, since the number of parts is enormous, manual work is inefficient and the required number cannot be supplied.

[0002] Due to the necessity of such an industrial structure, "vibration type transfer machine" as disclosed in JP-A-60-87118, JP-A-1-68327 and JP-A-1-68328, A "part transfer machine" has been proposed. The vibration-type transfer machine disclosed in Japanese Patent Application Laid-Open No. 60-87118 has a pallet having a large number of recesses for fitting a processed product, and a processed product accumulating portion provided at an end of the pallet. Things. Then, the pallet and the processed product accumulating unit are vibrated integrally in the horizontal direction, and are oscillated in the vertical direction to transfer the processed product into the recess. The air is blown to transfer easily.

A component transfer machine disclosed in Japanese Utility Model Laid-Open Publication No. 1-68327 discloses a component collecting box corresponding to the processed product collecting section, in which a groove is formed, and vibration and swinging are applied to the component pallet to arrange the components on an aligned pallet. Is configured to be transferred. In addition, the transfer machine for components disclosed in Japanese Utility Model Laid-Open No. 1-68328,
A plate-like rib is provided in the component collection box, and vibration and swing are given to transfer the component to the alignment pallet.

[0004] By the way, with respect to the processed product accumulation section and the parts collection box, (1) a large amount of components in a small area, in other words, processed products can be collected. (2) Being able to flip to a position that facilitates alignment regardless of the shape and center of gravity of the parts. That is, it is necessary to prevent the components from being stacked in a posture that is difficult to align. (3) At the time of startup, the components that were in the stacking section do not remain in the stacking section, and all of the parts appear on the sorting pallet side. And various other functions are required. From this point of view, conventional technologies have advantages and disadvantages.

[0005]

PROBLEM TO BE SOLVED BY THE INVENTION
In the case of the vibratory transfer machine disclosed in Japanese Patent Publication No. 8, when a large number of processed products are put into the processed product accumulation section, or in the case of a heavy processed product, the processed product does not float even when air is blown. is there. In this case, since the processed product does not move to the alignment pallet and does not reverse to a position where it can be easily aligned, the number of unaligned portions increases, and the work efficiency is reduced. Actual Kaihei 1
Regarding the component transfer machine disclosed in Japanese Patent Application Laid-Open No. 68327/1989, there is a case where a component enters a groove and remains in an accumulation portion due to a relationship between a groove width and a thickness of the component. Regarding the component transfer machine disclosed in Japanese Utility Model Laid-Open No. 1-68328, the component may be fitted between the plate-shaped ribs, making it impossible to invert or move the component, and the integration degree of the component is reduced. , Etc. That is, although the conventional technique is effective for a single part having a fixed shape or the like, it is difficult to deal with parts having different sizes, parts having different thicknesses and weights. An object of the present invention is to provide a component aligning apparatus configured to efficiently align components having different shapes and weights as well as components having a single shape on a component alignment pallet.

[0006]

SUMMARY OF THE INVENTION An object of the present invention is to provide a component aligning pallet having a plurality of component receiving holes formed on a vibrating and oscillating table and a component for sliding down and collecting a desired component on the component aligning pallet. A component aligning apparatus that includes a recovery pallet, and vibrates and swings the component alignment pallet and the component recovery pallet integrally with the table to store and align the desired components in the plurality of component storage holes. First recovery grooves along the swing direction are formed at specific intervals on a bottom plate portion constituting the component recovery pallet, and second recovery grooves are formed so as to fill the intervals of the first recovery grooves. Each of the collecting grooves is formed so that the groove cross-sectional shape forms a curved surface, and the first and second collecting grooves are inclined to gradually reduce the groove depth toward the component alignment pallet. Surface and depth are formed with substantially constant section, said further groove depth of the second recovery channel first
This can be achieved by a component aligning device characterized in that it is formed shallower than the groove depth of the recovery groove.

[0007]

As described above, according to the present invention, since the first and second collecting grooves having different depths are formed in the bottom plate of the parts collecting pallet, even if the aligned parts enter the first and second collecting grooves, they are fitted. It is possible to effectively reverse the orientation of parts stored in the pallet, such as up and down, in combination with the action of vibration and swing, and to store and align the parts regardless of the shape of the parts Can be performed efficiently.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to FIGS. FIG. 1 is a plan view of a parts aligning apparatus to which the present invention is applied, FIG. 2 is a longitudinal sectional view of a parts collection pallet,
3 is a cross-sectional view, FIGS. 4 to 6 are explanatory views showing the shape of the first recovery groove, FIGS. 7 to 9 are explanatory views showing the shape of the second recovery groove, and FIG. FIG. The feature of the present embodiment lies in the structure of the component collection pallet. Therefore, in the description of the embodiment, the structure, operation, and the like of the component collection pallet will be described, and then the component alignment device will be described.

A component alignment pallet (hereinafter simply referred to as an alignment pallet) 1 shown in FIG. 1 and a pair of component recovery pallets (hereinafter simply referred to as a recovery pallet) disposed at both ends of the alignment pallet 1 as targets. 2) is a swingable component aligning device (hereinafter simply referred to as an aligning device) 1 described later.
00, and is mounted on a vibration table 11 provided in the alignment device 100. The alignment pallet 1 and the pair of collection pallets 2 vibrate (reciprocate) integrally in the directions of arrows A and B by a vibration mechanism described later, and swing in the directions of arrows C and D by a swing mechanism, that is, like a seesaw. To exercise. Note that the collection pallet 2 has the same structure and is arranged to face each other.
00, a vibration mechanism, a swing mechanism, and the like will be described later with reference to FIG.

Although the alignment pallet 1 is basically plate-shaped, a concave portion 3 for fitting components is formed on the surface of the pallet. In FIG. 1, the concave portion 3 is illustrated as a plane quadrilateral, but the shape, depth, set number, and the like are merely examples, and are actually set to a planar shape, depth, or the like according to the shape of the parts to be aligned. You. The alignment pallet 1 is set on the vibration table 11 prior to the alignment of the parts,
After the arrangement, the parts are detachable so that the parts can be transported in an aligned state.

The overall shape of the collection pallet 2 is a shape similar to a dust collector, and is composed of a plate-shaped bottom plate 4, side plates 5 and 6 surrounding side surfaces of the bottom plate 4, and a back plate 7 surrounding the back surface. ing. The pair of side plates 5, 6 and the back plate 7 prevent components from falling off the collection pallet 2 when the alignment pallet 1 and the collection pallet 2 are inclined by vibration and swing. The first recovery groove 8 and the second recovery groove 9 according to the present invention are formed on the surface of the bottom plate portion 4 so that one end thereof faces the alignment pallet 1 as shown in FIG. (In the direction), that is, alternately in the width direction of the collection pallet 2. The first and second recovery grooves 8 and 9 have extremely distinctive shapes as described below.

That is, as shown in FIGS. 3 and 6, the first collecting groove 8 is formed on a curved surface with a desired radius of curvature R1.
The depth ta of the groove is not formed over the entire length L1, but is formed in a range indicated by L2 in FIG. The remaining portion obtained by subtracting L2 from L1, that is, the portion on the alignment pallet side, is formed with an inclined portion so that the groove depth decreases toward the alignment pallet side (see FIGS. 2 and 5). In other words, the first recovery groove 8 is configured by a portion where the depth t1 is constant (range of L2) and a portion where the depth t1 is not constant, that is, an inclined portion.

On the other hand, the second recovery groove 9 is formed on a curved surface with a desired curvature radius R2 as shown in FIGS. 7 to 9, but the depth t2 of this groove is not formed over the entire length L3. 7 are formed in the range indicated by L4 in FIG. As in the case of the first recovery groove 8, the depth of the length L4 portion is constant at t2, and the remaining portion is formed as an inclined portion.

Next, the difference between the first and second recovery grooves 8 and 9 will be described. The depths t1 and t2 are set so that t1> t2. The ranges L2 and L4 having a constant depth are shown in FIG.
As is clear from FIG. 4, the relationship is set to L2 ≒ L4, and the total lengths L1 and L3 are set to L1> L3. The first and second collecting grooves 8 and 9 are not formed with a sufficient space therebetween, but are formed so as to overlap the edge of the first collecting groove 8 as shown in FIG. A groove 9 is formed. Therefore, the portion where the first and second recovery grooves 8 and 9 are formed is, as is clear from FIGS.
And it becomes a thin corrugated shape compared with the portion where the second recovery grooves 8 and 9 are not formed, that is, the surface 4 a of the plate-shaped portion 4.

Next, the component alignment operation will be described.
Parts to be aligned are put on the collection pallet 2 at random, and the arrangement pallet 1 and the collection pallet 2 are vibrated integrally in the directions of arrows A and B, and are also swung in the directions of arrows C and D. Here, for convenience of explanation, parts are shown in FIG.
Assuming that the collection pallet 2 is placed in the collection pallet 2 shown on the left side of FIG.
The parts that had been wobbled began to rattle in the horizontal direction.
Since the first and second collecting grooves 8 and 9 are curved surfaces, the parts do not fit into the grooves 8 and 9 and do not become immovable so as to be caught and can move appropriately with vibration. Wear. Then, the entire part moves in small increments so as to be raised by vibration.

In this state, when the alignment pallet 1 and the collection pallet 2 swing, for example, in the direction of arrow D, the components are in a state where they can easily move.
It easily slides down from 9 to the inclined part and further to the flat bottom plate part 4,
Next, it slides down on the alignment pallet 1 from the bottom plate part 4. Since the concave portion 3 for fitting the component is formed on the alignment pallet 1, the component being slid down is fitted into the concave portion 3 and stored, that is, aligned. Then, the components that do not hang on the concave portion 3 or are already closed by the concave portion 3 of the downhill path enter the collection pallet 2 shown on the right hand side of FIG. 1 as it is.

On the other hand, when the sorting pallet 1 and the collecting pallet 2 are inclined in the direction of the arrow C shown in FIG. 1, the parts which have once entered the collecting pallet 2 on the right hand, in other words, the parts which have been collected are again aligned with the sorting pallet. I will go downhill. Since the alignment pallet 1 and the recovery pallet 2 continue to vibrate, the second slide down is also performed without being caught, and the storage and alignment in the recess 3 are performed. By repeating such vibration and swing, the components can be aligned very efficiently.

Next, with reference to FIG.
0 will be described. The sorting pallet 1 and the collection pallet 2 are mounted on a vibration table 11 and are vibrated by the vibration of the vibration table 11 from the near side to the back side in FIG. 10 or vice versa. The vibration table 11 is configured to swing integrally with the swing table 12, and the swing table 12 is connected to a swing drive unit 14 via a connection unit 13. Although the configuration of the swing drive unit 14 is not particularly limited, the swing table 12 is swingable at a constant cycle by a motor and a cam mechanism, and the cycle depends on the shape, weight, etc. of the parts. It can be adjusted freely according to it. The swing drive unit is provided on the base 15.

Hereinafter, a test was conducted to confirm the alignment effect of the device 100 of the present invention. The test was performed as shown in FIGS.
1,200 components were put on the recovery pallet 2 and the time required for alignment was measured at a vibration width of 3 mm and a rocking cycle of 1100 times / min. The number of concave portions of the alignment pallet 1 is 250, and the shape of the component is a square planar shape and a substantially U-shaped cross-sectional shape. The depth of the groove is 5 mm for t1, 3.5 mm for t2, and L1.
Is 80 mm, L2 is 30 mm, L3 is 60 mm, L4 is 30 mm, radius of curvature R1 is 5 mm, and R2 is 5 mm. Further, the vertical and horizontal dimensions of the collection pallet 2 and the alignment pallet 1 are 120 mm, 12
0 mm and the collection pallets were 100 mm and 120 mm.

In Comparative Example 1, a collecting pallet having a flat bottom plate without a groove was used, and the other conditions were the same as those described above. As Comparative Example 2, a recovery pallet in which only the first recovery grooves 8 were formed was used, and the other conditions were the same as the above conditions. Then, the alignment test of the embodiment of the present invention and the alignment test of each comparative example were each performed 20 times, and an average of time required for complete alignment was obtained. As a result, in the case of the embodiment of the present invention, 150 seconds, in the case of Comparative Example 1, 420 seconds, and in the case of Comparative Example 2, 240 seconds. 3 than
It can be seen that the alignment time can be reduced by 7.5% or more.

[0021]

[Effect of the invention] As described above, according to the invention,
First recovery grooves along the swinging direction are formed at specific intervals on a bottom plate portion constituting the component recovery pallet, and second recovery grooves are formed to fill the intervals of the first recovery grooves. Each of the collecting grooves has a groove cross-sectional shape that forms a curved surface, and the first and second collecting grooves have an inclined surface and a depth that gradually decrease the groove depth toward the component alignment pallet. The second recovery groove is formed to have a substantially constant portion, and the depth of the second recovery groove is smaller than the depth of the first recovery groove. Therefore, by vibrating and oscillating the parts to be aligned, the parts are not fitted into the first and second collecting grooves, and easily come out of the inclined part into the flat bottom plate part and slide down on the alignment pallet. As a result, the components could be housed and aligned in the recess, and the components could be efficiently aligned regardless of the shape and weight of the components.

[Brief description of the drawings]

FIG. 1 is a plan view of a component collection pallet and a component alignment pallet according to an embodiment of the present invention.

FIG. 2 is a partially cutaway side view of a component collection pallet.

FIG. 3 is a cross-sectional view of the component collection pallet.

FIG. 4 is a plan view of a first recovery groove.

FIG. 5 is a longitudinal sectional view of a first recovery groove.

FIG. 6 is a cross-sectional view of a first recovery groove.

FIG. 7 is a plan view of a second recovery groove.

FIG. 8 is a longitudinal sectional view of a first recovery groove.

FIG. 9 is a cross-sectional view of a first recovery groove.

FIG. 10 is a schematic configuration diagram of a component alignment device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 Component arrangement pallet 2 Component collection pallet 3 Recess 4 Bottom plate 5, 6 Side plate 7 Back plate 8 First collection groove 9 Second collection groove 11 Table 12 Swing table A, B Vibration direction C, D Swing direction L1, L3 Total length of groove L2, L4 Length of groove other than inclined part R1, R2 Radius of curvature t1, t2 Depth of groove

Claims (1)

(57) [Scope of request for utility model registration] 1. A component alignment pallet having a plurality of component storage holes formed on a vibrating and oscillating table, and a component collection pallet for sliding down and collecting a desired component on the component alignment pallet, and being integrated with the table. A bottom plate portion that constitutes the component collection pallet in a component alignment device that stores and aligns the desired component in the plurality of component storage holes by vibrating and swinging the component alignment pallet and the component collection pallet. The first along the rocking direction
The collecting grooves are formed at a specific interval, and the second collecting grooves are formed so as to fill the intervals of the first collecting grooves, and each of the collecting grooves has a groove cross-sectional shape that forms a curved surface. The first and second collecting grooves are formed with an inclined surface that gradually reduces the groove depth toward the component alignment pallet and a portion with a substantially constant depth. A groove depth of the first collecting groove is smaller than a groove depth of the first recovery groove. [0001]