JPH09150919A - Article aligning device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the damaging or chipping of articles aligned on a tray by providing a tray liftable mechanism for changing the tray to which the articles are supplied and a vibration mechanism for sliding the articles on the tray in an aligning means to align a plurality of press formed powder molded body. SOLUTION: For aligning of moldings W, first an up-and-down moved motor is driven, a vertical frame 14 is moved along a rail part 16 and stopped when an uppermost tray 11A reaches a position near the lower end part of a feeding plate 30. Then, the feeding plate 30 is moved by a cylinder 30a for a plate and its lower end part is brought into contact with the upper end part of the tray 11A. A vibration motor 34 is driven in this condition, its vibration is transmitted through supporting rods 35 and 36 and a supporting plate 37 to a vibration transmission cylinder part 38 and after the molding Ws are transferred to the upper ends part of the tray 11A, the moldings W are sequentially aligned so as to be slid down on the tray 11A to its lower end part without being stayed on the upper end part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an article arranging apparatus for supplying articles such as a plurality of powder compacts onto a tray and sequentially arranging them on the tray by applying vibration to the tray.

[0002]

2. Description of the Related Art Conventionally, an aligning device as shown below has been used as an aligning means for aligning a plurality of powder compacts formed by molding a powder material into a predetermined shape on a tray after molding. . The aligning device, as shown in FIG. 4, has an upper end portion on the tray 1 which is inclined and arranged in a plurality of stages.
For example, a plurality of compacts W conveyed from the supply plate 3 of the press 2 for compacting the powder compacts W are supplied to sequentially align these compacts W on the tray 1 from the lower end thereof.

In the above aligning device, a rack member 6 extending vertically and movable up and down is provided on a frame 5 standing on a base 4, and a pinion gear 7 meshed with the rack member 6 is provided. A vertically moving motor 8 for driving is installed. To the rack member 6, the lower end portions of the trays 1 arranged in a plurality of stages are fixed to the side portions thereof, and the vertical movement motor 8 is provided.
These trays 1 are attached so as to be movable in the vertical direction via the pinion gear 7 and the rack member 6 by the drive of the.

On the frame 5, a vibration motor 9 for rotating the eccentric weight to generate vibration to vibrate the frame 5 is installed. By driving the vibration motor 9, the vibration is transmitted to the frame 5 and also transmitted to each tray 1 via the rack member 6.

The method of aligning the compacts W by this aligning device will be described. First, the vertical movement motor 8 is driven to move each tray 1 in the vertical direction via the rack member 6 and the pinion gear 7, thereby forming the compacts. The upper end of one tray 1 on which the bodies W are to be aligned is placed at a position corresponding to the supply plate 3 of the press 2.

A compact W molded by the press 2.
Are slid and transferred from the inclined supply plate 3 to the upper end of the tray 1 by its own weight. At this time,
The vibration motor 9 is driven, the generated vibration is transmitted to each tray 1, and these trays 1 are vibrated.
Therefore, since the tray 1 itself vibrates in the molded body W transferred to the upper end portion of the tray 1, the vibration causes the frictional force with the upper surface of the tray 1 to be reduced, which makes it easier to slip and to be retained. The tray 1 is conveyed to the lower end side by its own weight. Therefore, due to the weight of the compact W and the vibration of the tray 1, a large number of compacts W slide down on the tray 1 and are sequentially arranged and mounted from the lower end of the tray 1.

When a predetermined number of compacts W are aligned and placed on the tray 1, the supply to the tray 1 is stopped and the vertical movement motor 8 is driven again to move each tray 1 in the vertical direction. . Then, the position of the next tray 1 is aligned with the supply plate 3, and the molded body W is again formed in the same manner as above.
Are supplied and aligned on this tray 1.

[0008]

However, the above-mentioned alignment device has the following problems. That is, since the vibration generated by the vibration motor 9 is transmitted to all the trays 1 via the frame 5 and the rack member 6, the trays 1 other than the tray 1 to which the molded body W is being supplied,
In other words, the empty tray 1 and the other trays 1 on which a predetermined number of compacts W have already been placed and are in a standby state for the next process are constantly being vibrated during the supply.
Therefore, the vibration is also applied to the molded bodies W arranged on these trays 1 for a long time. These compacts W, in particular, so-called alnico compacts and the like used for manufacturing Al—Ni—Co magnets and the like are magnetic powders compacted into a predetermined shape by a press machine and are resistant to strong vibration, friction and impact. It has a tendency to chip, and as described above,
When in an aligned state under vibration, another adjacent molded body W
There is a risk that the external appearance will be damaged by scratching or chipping, or internal cracks will be generated due to contact with the like, and the external appearance will be impaired.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide an article aligning apparatus capable of reducing the occurrence of scratches and chips of articles arranged on a tray.

[0010]

The present invention has the following features to attain the object mentioned above. That is, in the article aligning apparatus according to claim 1, a plurality of articles are supplied to the upper end of the tray which is inclined and arranged in a plurality of stages and which is vibrated, and these articles are sequentially arranged on the tray from the lower end thereof. An apparatus for aligning articles, comprising: a tray elevating mechanism that moves the trays in the vertical direction to change the tray to which the articles are supplied; and a vibration mechanism that vibrates the trays and slides the articles on the trays. The vibration mechanism includes a vibration source that generates vibration, and a vibration transmission unit that is connected to the vibration source and that abuts on one side of the tray to which articles are supplied to transmit the vibration to the tray. Prepared technology is adopted.

In this article aligning apparatus, the vibration source of the vibrating mechanism is driven to generate vibrations, and the vibrations are transmitted only to the tray being supplied by the vibration transmitting unit, and the vibrations are directly transmitted to the other trays. Since it is not transmitted, the already aligned articles are not subjected to a large vibration that affects their appearance, and the appearance is not likely to be scratched or chipped due to the vibration.

According to a second aspect of the present invention, in the first aspect of the present invention, the vibration transmitting unit is arranged on the upper end side of the tray.

In this article aligning device, since the vibration transmitting portion is arranged on the upper end side of the tray, the vibration of the vibration source is mainly transmitted to the upper end side of the tray. Therefore, the articles supplied to the upper end of the tray and sliding down immediately vibrate toward the lower end without stopping at this position because the upper end vibrates strongly. Further, the articles sequentially arranged on the lower end of the tray have relatively smaller vibrations on the lower end side than on the upper end side, so that scratches and the like due to contact with other adjacent articles are less likely to occur.

According to a third aspect of the present invention, there is provided the article alignment device according to the first or second aspect, wherein the vibration transmitting section is provided so as to be movable along the inclination direction of the tray. It

In this article aligning device, since the vibration transmitting portion is provided so as to be movable along the tray inclining direction, by appropriately moving the vibration transmitting portion in the above direction, the vibration in the tray inclining direction can be prevented. The size changes. Therefore, the vibration applied to the tray can be more finely adjusted according to the shape, size, quantity, etc. of the articles supplied on the tray.

According to a fourth aspect of the present invention, there is provided the article arranging apparatus according to any one of the first to third aspects, wherein the vibration transmitting section is movable back and forth toward a side portion of the tray to which the articles are supplied. A cylinder part having a different piston rod is provided, and the cylinder part employs a technique capable of adjusting the internal pressure.

In this article aligning device, since the vibration transmitting portion has the cylinder portion, the vibration of the vibration source is transmitted to the tray via the piston rod of the cylinder portion. At this time, since the pressure inside the cylinder portion can be adjusted, the pressure is adjusted according to the shape and size of the articles supplied on the tray. Therefore, by changing the pressing force of the piston rod that comes into contact with the tray, it is possible to change the magnitude of vibration applied to the tray without changing the magnitude of vibration of the vibration source.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. In these drawings, reference numeral 11 is a tray, 12 is a base, 13 is a main frame, 14 is a vertical frame, and 15 is a horizontal frame.

As shown in FIG. 1, the article aligning apparatus of the present embodiment supplies an Alnico molded body W as an article from a press machine to the upper end of a tray 11 which is inclined and arranged in nine stages, and forms the above-mentioned molded articles. The bodies W are sequentially arranged on the tray 11 from the lower end thereof, and are configured as follows.

As shown in FIG. 2, the four corners are caster 12a.
On one side of the base 12 supported by the main frame 13
On the side surface of the main frame 13, a rectangular vertical frame 14 is arranged parallel to the main frame 13 and is vertically movable. Further, one side portion of a rectangular horizontal frame 15 arranged in the horizontal direction and directly above the base 12 is fixed to a lower end portion of the vertical frame 14.

The main frame 13 is provided with two vertically moving rail portions 16 which are vertically extended and arranged. On the other hand, the vertical frame 14 is fitted in the vertically moving rail portion 16 and vertically moved. A slidable connecting portion 17 is provided on a side portion on the main frame 13 side, and is supported by the main frame 13 by these connecting portions 17. The vertical frame 1
4, a rack portion 18 vertically extending on a side portion on the side of the main frame 13 is provided between the vertical movement rail portions 16, while a vertical movement motor 19 is provided in an intermediate portion of the main frame 13. A pinion gear 20 is provided which is fixed and is connected to the rotary shaft of the vertical movement motor 19 and has a rotary axis arranged in the horizontal direction and meshed with the rack portion 18.

In addition, as shown in FIGS. 1 and 2, at the front portion of the vertical frame 14, one long tray operator having nine elongated trays arranged horizontally and directly above the base 12. A stop member 21 is provided. These tray locking members 2
1 are arranged in a line in the vertical direction at regular intervals. On the other hand, at the rear end portion of the vertical frame 14 and the rear end portion of the horizontal frame 15, a cover member 23 having a U-shaped cross section having one side portion and a lower end portion fixed to the front end direction of the base 12 is opened. It is provided for.

Inside the cover member 23, a rectangular tray support frame 24 is vertically provided so as to stand upright, and is inserted into a female screw hole (not shown) at the lower end of the cover member 23. At the same time, it is movably supported by a screw member 26 which is screwed to a nut 25 and whose axis is vertically arranged.

At the front end side of the base 12 of the tray support frame 24, the tray support frame 24 extends horizontally along the tray support frame 24 with a certain space in the vertical direction, and is arranged corresponding to each tray locking member 21. Nine tray receiving plates 2
7 is fixed. These tray receiving plates 27 project toward the front end side of the base 12 and are arranged so as to be inclined upward toward the front end side of the base 12.

A tray 1 on which the green compacts W to be supplied are aligned.
As shown in FIG. 3, each of the trays 1 has a trapezoidal shape in a plan view and is placed on each tray receiving plate 27 with its long side portion serving as a lower end portion, and its short side portion serving as an upper end portion. By being arranged on the locking member 21, the upper end portion is directed to the front end side of the base 12 and arranged in an inclined state. In this embodiment, the tray receiving plates 27 corresponding to the tray locking members 21 are set so that the inclination angles of the trays 11 are 10 °.
The position is set by rotating the screw member 26 and moving the tray support frame 24 up and down.

A bending arm portion 29, to which the base end portion is fixed, extends horizontally and is provided on a side portion on the front end side of the base 12 of the main frame 13, and a tip end portion of the bending arm portion 29 is formed. , Is arranged in front of the upper end of the attached tray 11. The tip portion of the bending arm portion 29 is connected to a supply plate 30 connected to a pressing machine (not shown) in the previous step to support the supply plate 30.

The supply plate 30 transfers the molded body W press-molded by a pressing machine to the tray 11. As shown in FIG. 1, the supply plate 30 is inclined at the same inclination angle as the tray 11, and A plate cylinder 30a provided in the lower portion is arranged so as to be movable in the tilt direction.

As shown in FIG. 3, on the upper surface of the other side of the base 12, two motor rail portions 31 are laid in a straight line from the front end to the rear end of the base 12, and these motor rails 31 are provided. As shown in FIG. 2, a roller 32 provided on the lower portion of the portion 31 serves as a vibration source movable along the motor rail portion 31 and serves as a vibration motor 34 (for example, by rotating an eccentric weight to generate vibration). The motor to generate) is installed. The vibration motor 34 is provided with a fixing mechanism (not shown) that fixes the vibration motor 34 at a fixed position of the motor rail portion 31 and stops it.

A first support rod 35 extending in the vertical direction is erected on the upper part of the vibration motor 34, and the first support rod 35 projects from the upper end of the first support rod 35 and is vertically expandable and contractable. The support rod 36 is connected. The second
A support plate 37 is horizontally arranged and fixed to the upper end of the support rod 36, and is arranged on the support plate 37 so as to face the side portion of the tray 11 to which the compact W is supplied. The vibration transmitting cylinder portion 38 is installed.

The vibration transmitting cylinder portion 38 has a piston rod 3 protruding from the tip thereof and capable of moving back and forth in the horizontal direction.
9, and the tip of the piston rod 39 is
An elastic member 40 such as rubber is attached, and
The tray 11 is brought into contact with the side portion of the tray 11. The internal pressure of the vibration transmitting cylinder portion 38 can be adjusted, and the pressing force when the piston rod 39 contacts the tray 11 can be adjusted. In the present embodiment, the position of the vibration motor 34 and the second position are set so that the tip of the piston rod 39 contacts the upper end of the side of the tray 11.
The protruding length of the support rod 36 is set. Note that reference numeral 4
1 is an electric equipment board.

Next, a method of aligning the molded bodies W in one form of the article aligning apparatus according to the present invention will be described.

[Tray Positioning Step] First, when the vertical movement motor 19 is driven and the pinion gear 20 is rotated to vertically move the rack portion 18, the vertical frame 14 is moved.
And all trays 11 simultaneously move in the vertical direction. At this time, the position of one tray 11A (the uppermost tray shown in FIG. 1) on which the compacts W are to be aligned is the position where the upper end of the tray 11A is close to the lower end of the supply plate 30. Move to and stop. That is, the vertical movement motor 19, the pinion gear 20, and the rack portion 18 function as a tray lifting mechanism that moves the tray 11 in the vertical direction.

[Vibration Transmission Process] After the setting of the tray 11 is completed, the supply plate 30 is moved downward in the tilt direction by the plate cylinder 30a, and the lower end portion thereof is brought into contact with the upper end portion of the tray 11A. Place them in a slightly separated position.

In this state, the vibration motor 34 is driven to generate vibration. At this time, the generated vibration is transmitted to the vibration transmission cylinder portion 38 via the first support rod 35, the second support rod 36, and the support plate 37, and is also transmitted from the tip of the piston rod 39 to the tray 11A. Therefore, the first support rod 35, the second support rod 36, the support plate 37, and the vibration transmitting cylinder portion 38 function as a vibration transmitting portion.

[Molded Body Supplying Step] While the tray 11A is being vibrated, the molded body W molded from the pressing machine is conveyed onto the supply plate 30. At this time,
Since the supply plate 30 is inclined to the tray 11A side, the molded body W on the supply plate 30 slides down by its own weight and is transferred from the lower end portion thereof to the upper end portion of the tray 11A. Further, since the tray 11A is vibrating, the molded body W does not stay on the upper end portion of the tray 11A.
Slide down on A to the lower end.

As described above, a large number of compacts W are transferred from the supply plate 30 onto the tray 11A, and are sequentially aligned from the lower end of the tray 11A. Tray 1
When a predetermined number of compacts W are aligned in 1A, the supply of compacts W is stopped and the transfer to the tray 11A is completed.

Next, in order to align the molded bodies W with the other empty trays 11, the entire tray 11 is moved in the vertical direction and the next tray 11 is put in the standby state as in the above tray positioning step, and then again. The tray 11 is vibrated by the vibration transmitting step and the molded body supplying step to align the molded bodies W.

At this time, since the vibration motor 34 is provided on the base 12 and the vibration is transmitted only to the tray 11 being supplied by the first support rod 35, the second support rod 36 and the like, the molded body is already formed. The vibration of the vibration motor 34 is not directly transmitted to the tray 11A in which Ws are arranged. As described above, the trays 11 are sequentially changed to align the molded bodies W on the trays 11.

In this article aligning apparatus, the vibration motor 34 is used.
Since the vibration generated from the above is transmitted only to the tray 11 which is being supplied and the vibration is not directly transmitted to the other trays 11, the already aligned molded bodies W are not subjected to the vibration that affects the appearance thereof. The scratches and chips on the appearance due to the vibration are unlikely to occur.

Further, since the vibration transmitting cylinder portion 38 is arranged on the upper end side of the tray 11, the vibration motor 34 is provided.
Is mainly transmitted to the upper end side of the tray 11. Therefore, the molded body W supplied to the upper end portion of the tray 11 and sliding down immediately vibrates strongly at the upper end portion side, and thus immediately slides down to the lower end portion side without stopping at this position. Further, since the molded bodies W sequentially arranged on the lower end portion of the tray 11 have relatively smaller vibrations on the lower end side than on the upper end side, scratches or the like due to contact with another adjacent molded body W are less likely to occur. .

Further, since the vibration motor 34 is movable between the front end and the rear end of the base 12, and the second support rod 36 is vertically expandable and contractable, the vibration transmitting cylinder portion 38 is provided. Are movable along the inclination direction of the tray 11. Therefore, by appropriately moving the vibration transmitting cylinder portion 38 in the above direction, the magnitude of vibration in the length direction of the tray 11 changes. Therefore, the vibration applied to the tray 11 can be more finely adjusted according to the shape, size, quantity, etc. of the molded bodies W supplied onto the tray 11.

Further, since the internal pressure of the vibration transmitting cylinder portion 38 can be adjusted, the piston rod 39 can be moved to the tray depending on the shape and size of the molded body W supplied onto the tray 11. It is possible to adjust the pressing force at the time of abutting on 11. Therefore, it is possible to change the magnitude of the vibration applied to the tray 11 without changing the pressing force of the piston rod 39 to change the magnitude of the vibration of the vibration motor 34.

Although the alnico molded product W is applied as an object to be aligned in the above-mentioned one embodiment, other articles may be aligned. For example, sintered products may be arranged.

[0044]

According to the present invention, the following effects can be obtained. (1) According to the article aligning device of the first aspect, since the vibration of the vibration source is transmitted only to the tray being supplied by the vibration transmitting unit, the appearance of the already aligned articles of other trays is affected. Since the applied vibration is not applied, the scratches or chips on the appearance due to the vibration are unlikely to occur, so that the appearance defect of the article can be significantly reduced.

(2) According to the article aligning device of the second aspect, the vibration transmitting portion is arranged on the upper end side of the tray so that the vibration is mainly transmitted to the upper end side of the tray. It can be slid down to the lower end side immediately and smoothly without causing it. In addition, since the lower end side of the articles sequentially arranged on the lower end of the tray has a relatively smaller vibration than the upper end side, scratches and the like due to contact with other adjacent articles are less likely to occur, resulting in poor appearance of the articles. It can be further reduced.

(3) According to the article aligning apparatus of the third aspect, since the vibration transmitting section is provided so as to be movable along the inclination direction of the tray, the vibration transmitting section is appropriately moved in the above-mentioned direction, and the tray is moved. By finely adjusting the vibration applied to
It is possible to more smoothly move the articles on the tray and adjust the vibration so that the appearance of the aligned articles is less affected.

(4) According to the article aligning apparatus of the fourth aspect, since the pressure inside the cylinder portion can be adjusted, the magnitude of the vibration applied to the tray can be changed without changing the magnitude of the vibration of the vibration source. Can be changed. Therefore, the vibration of the tray can be adjusted according to the alignment state of the articles even during the supply.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of an article alignment device according to the present invention.

FIG. 2 is a rear view showing one form of the article alignment device according to the present invention.

FIG. 3 is a plan view showing one form of an article alignment device according to the present invention.

FIG. 4 is a side view showing a conventional example of one form of an article alignment device according to the present invention.

[Explanation of symbols]

 11, 11A Tray 12 Base 13 Main frame 14 Vertical frame 18 Rack section 19 Vertical movement motor 20 Pinion gear 31 Motor rail section 32 Roller 34 Vibration motor 35 First support rod 36 Second support rod 37 Support plate 38 Vibration transmission Cylinder part 39 Piston rod W molded body

Claims (4)

[Claims] 1. An article aligning apparatus for feeding a plurality of articles to an upper end portion of a tray which is inclined and arranged in a plurality of stages and is subjected to vibration to sequentially align these articles on the tray from the lower end portion thereof. A tray elevating mechanism that moves the plurality of trays in the vertical direction to change the tray to which the articles are supplied; and a vibrating mechanism that vibrates the trays and slides the articles on the trays. An article, comprising: a vibration source that generates vibration; and a vibration transmission unit that is connected to the vibration source and abuts one side of the tray to which the article is supplied to transmit the vibration to the tray. Alignment device. 2. The article aligning device according to claim 1, wherein the vibration transmitting unit is arranged on an upper end side of the tray. 3. The article aligning device according to claim 1, wherein the vibration transmitting unit is provided so as to be movable along an inclination direction of the tray. 4. The article aligning device according to claim 1, wherein the vibration transmitting section includes a cylinder section having a piston rod that can advance and retract toward a side portion of a tray to which the articles are supplied. An article aligning device, characterized in that the cylinder part is capable of adjusting internal pressure.