JPH1135131A - Moving and discharging device for article - Google Patents

Abstract

PROBLEM TO BE SOLVED: To discharge a work without causing damage to it, and shorten the time necessary to move and discharge the work. SOLUTION: When a moving arm 2b is operated for an article to be accommodated on a storage tray 3 from the inlet of an article charge port to rotatinely-move the storage tray to a specified storage box 13, a base plate 9 is raised by driving a solenoid coil 5, and is power-transmitted through a connecting rod 8 to rotate the opening part of the storage tray 3 downward, and thus the article is accommodated in the storage box 13. At this time, the other moving arm 2a is controlled to accommodate an article from the article charge port to move it to a specified storage box. Plural moving armes are operated independently of each other to efficiently move and discharge the articles. In relation to the discharge of the article after completion of moving, since the article is dropped into the storage box 13 directly below the storage tray 3, damage to the article can be prevented when it is discharged.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an article moving and discharging apparatus for discharging factory products and the like supplied to the apparatus into discharge containers classified according to specifications and uses.

[0002]

2. Description of the Related Art There is a conventional article transfer / discharge apparatus as shown in FIG. FIG. 7A is a cross-sectional view taken along the line AA in the plan view of FIG. The workpiece to be moved is put into a funnel-shaped workpiece tray of a rotary exhaust duct 52 from an outlet guide 51 of a parts feeder, passes through the duct, and is discharged into a workpiece storage box 54. Which of the storage boxes arranged on the circumference is to be discharged is determined by rotating the rotary discharge duct 52 with the driving device 53 and turning the tip to a predetermined position before the work is put into the work tray. Is determined by Therefore, the rotary drive of the rotary discharge duct 52 for selecting the work storage box to be discharged is performed for each of the works put into the work tray.

[0003]

As described above, the conventional discharge device performs an operation of turning the tip of the rotary discharge duct toward a predetermined work storage box before putting the work into the work tray. Required, and it took time for the work to pass through the duct, which was inefficient. In addition, due to the structure of the rotating discharge duct, the volume occupied by the entire apparatus is large and bulky. Furthermore, depending on the shape of the work, it is not discharged because it is caught in the rotating discharge duct, or conversely, it is discharged through the duct vigorously and hits the inner wall surface of the work storage box and is damaged by thin and easily damaged articles etc. There were drawbacks, such as the possibility of a risk.

Accordingly, the present applicant has proposed a device for moving and discharging articles to solve the above-mentioned drawbacks (Japanese Patent Publication No. 6-57).
3). The above proposal proposes that a work is put in a plurality of rotating plates arranged around a rotating moving table, and when the rotating plate reaches a predetermined work storage box position, an electromagnet is driven to rotate the rotating plate. Are dropped and stored in the work storage box.On the other hand, when the work is put in the rotating plate, the work is ejected when the rotating plate containing the work reaches the predetermined place. As a result, the time required for moving and discharging has been greatly reduced. In addition, the workpiece is naturally dropped at a very close distance to discharge, eliminating the risk of damage even when handling fragile workpieces.

[0005] In the above-mentioned moving and discharging apparatus for articles, although the time for moving and discharging can be greatly reduced, the rotating plate is arranged around the moving table and fed in sequence. Since the process of discharging the work from the rotating plate when it reaches the place is taken, a certain period of time is required from when the work is stored in the rotating plate to when the work is discharged, more than this Time cannot be reduced. At present, there is a demand for more efficient sorting of the articles. SUMMARY OF THE INVENTION The present invention meets the above-mentioned demand, and the problem is not only that the work can be safely discharged without damaging the work, but also that the work can be efficiently moved and discharged in a shorter time than the above-described proposed moving and discharging apparatus of the product. It is to provide a mobile discharge device.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a base, a plurality of storage boxes disposed on the base, and independently driven with respect to the base. A plurality of moving arms which are moved to a storage box at a designated position among the plurality of storage boxes, a posture which is supported by a tip of the moving arm, and which can always hold a workpiece with its opening directed upward and the opening; A storage tray having a drive mechanism capable of converting the workpiece to a discharge position with the part directed downward, and provided on the base, when the storage tray reaches a position designated by the movement of the moving arm, the article is removed. Including a drive device and a drive circuit for changing from the storage tray to the discharge position, when one moving arm moves to the article input position and stores the work, the other moving arm moves to the designated storage box. Then the storage A drive being controlled configured to perform the discharge of workpiece. The movement of the plurality of moving arms is rotation, and the plurality of storage boxes can be circumferentially arranged along the tip of the rotating moving arm. The storage dish is rotatably supported with respect to a horizontal axis attached to the tip of the moving arm and is given rotation behavior, and moves one end of a wire to a part of the storage dish via a pulley. The other end of the wire is fixed to the arm, and the wire is pulled against the rotation behavior by the driving force of a driving means such as a solenoid, thereby changing the storage tray from a position capable of holding a workpiece to a discharging position. By releasing the wire, it is possible to return to the posture in which the original work can be held by the rotation behavior.

Further, the present invention provides a base, a plurality of storage boxes arranged on the base, a plurality of moving belts each independently driven with respect to the base, A storage tray having a drive mechanism that is supported on the outside and can always hold the work with its opening directed upward, and a drive mechanism that can convert the work to the discharge position with the opening directed downward, provided on the base; When the storage tray reaches a predetermined position due to the movement of the moving belt, the storage belt includes a driving device and a driving circuit for converting an article to a discharging position from the storage tray, and one moving belt is driven to move the moving belt. When the supported storage tray is storing the work at the article loading position,
The storage tray of the other moving belt is driven and controlled to move to a specified storage box and discharge the work to the storage box. The plurality of moving belts are endless belts rotated by pulleys, and are arranged in multiple stages in a vertical direction, and the plurality of storage boxes can be arranged along the moving belt.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a plan view showing an embodiment of a moving and discharging apparatus for articles according to the present invention, and FIG.
FIG. FIG. 3 is a side view showing a drive mechanism for rotating the storage tray at the tip of the moving arm in FIG. 1 and changing the work to the discharge position. As shown in FIGS. 1 and 2, two moving arms 2 that can move with respect to a base 1
The moving arms 2a and 2b rotate independently of the base 1 about the dedicated drive shafts 14a and 14b, respectively. A large number of storage boxes 13 are arranged along a path along which the tips of the moving arms 2a and 2b rotate. A storage plate 3 rotatable about a horizontal shaft 4 is attached to the distal ends of the moving arms 2a and 2b.

A spiral coil spring 12 is attached to the horizontal shaft 4 of the storage tray 3 so that the opening of the tray always faces upward. The space 10 is an article storage space when articles are transported. Due to the operation cycle of the machine, the articles are periodically moved from the article input port 11 to below the article input port 11 and the space 10 of the storage tray 3 at the tip of the moving arm 2a or 2b.
The motor 15a or 15b controlled by a control device (not shown) rotates, and the transmission belt 16
a or 16b, the rotational force is transmitted through the drive shaft 14a or 14b, and the moving arm 2 is moved to the designated storage box 13.
The storage tray 3 at the tip of a or 2b moves. Meanwhile, base 1
A disk-shaped substrate 9 is attached to the solenoid coil 5 attached above.

The moving arm 2a (hereinafter, referred to as a moving arm) is moved to a designated place.
The case of the moving arm 2a will be described. When the storage arm 3 at the tip of the movable arm 2a arrives, a drive current is supplied to a drive circuit controlled by a control device (not shown), and the solenoid coil 5 is driven. The substrate 9 is moved upward by driving the solenoid coil 5. At this time, when the substrate 9 pushes up one end of the connecting rod 8, the pulley 7 attached to the other end of the connecting rod 8 with the shaft 8a as a fulcrum is pushed down as shown in FIG. The wire 6 is pulled. One end of the metal wire 6 is fixed to the moving arm 2a, is stretched over pulleys 7a, 7 and 7b, and the other end is connected to the storage tray 3.

Therefore, the storage tray 3 rotates counterclockwise about the horizontal axis 4 and the space is inclined downward, so that the articles stored in the space 10 of the storage tray 3 fall and are stored in the storage box 13. . When the supply of the drive current to the solenoid coil 5 is stopped after the article falls and the substrate 9 moves downward, one end of the connecting rod 8 is lowered, and the other end of the connecting rod 8 is raised. When the other end of the connecting rod 8 rises, the metal wire 6 returns to the storage dish 3 side.
Is rotated clockwise and the space 10 is in the upward position.
Return to the original position as shown in FIG.

While the moving arm 2a is operating as described above, the other moving arm 2b is connected to the storage tray 3 at the tip thereof.
Rotationally moves to the article insertion port 11, stores the article from the article insertion port 11, and starts moving to the designated place. After the article is stored in the storage box 13 at the designated position, the moving arm 2b moves the storage dish 3 at the tip to the article input port 11,
Store the article again and move to the designated place. When one of the moving arms is storing an article, the other moving arm is controlled to move to a storage box at a designated place and discharge the stored article, so that the moving and discharging of the article is performed quickly and efficiently. be able to.

FIG. 4 is a plan view showing another embodiment of the moving and discharging apparatus for articles according to the present invention, and FIG. 5 is a longitudinal sectional view of FIG. FIG. 6 is a side view showing a drive mechanism for rotating the storage plate outside the moving belt in FIG. 4 to change the work to the discharge position. As shown in FIGS. 4 and 5, two moving belts 21 a and 2 which can move with respect to the base 31.
1b, and the two moving belts 21a and 21b
Each of the pulleys is bridged between a dedicated pulley 27a, 27b and a pulley (not shown) opposed to the pulley. The pulleys 27a and 27b are fixed to drive shafts 26a and 26b, and the drive shafts 26a and 26b are rotated by a drive mechanism (not shown). Each of the movable belts 21a and 21b is provided with one storage tray 33 rotatable about a horizontal shaft 34.

A weight 24 is attached to the storage plate 33 so that the center of gravity is located below the horizontal shaft 34 so that the opening always keeps the upward direction. The space 35 is an article storage space when articles are transported. The permanent magnet 22 is mounted near the bottom of the storage tray 33 so that the SN pole is arranged in a direction perpendicular to the horizontal axis 34 (the left-right direction in FIG. 6). On the other hand, a large number of electromagnets 23 are mounted on the substrate 25 fixed on the base 31. A drive circuit (not shown) is connected to the electromagnet 23, and the drive circuit is controlled by a control device (not shown).

The fixedly arranged electromagnets 23, 23
.., The article storage box 36 is provided on the base 3
1 are arranged. When an article periodically moves from the article input port to below the article input port by the operation cycle of the machine and is stored in the space 35 of the storage plate 33 attached to the moving belt 21a or 21b, a control device (not shown) The motor controlled by the motor rotates, the rotational force is transmitted via the drive shaft 26a or 26b, and the storage tray 33 of the moving belt 21a or 21b moves to the specified storage box 36. The space 35 is an article storage space when articles are transported.

The moving belt 21a (hereinafter referred to as the moving belt 21)
The case of a will be described. The storage tray 33 of the moving belt 21b has the same configuration.
Is reached, the electromagnet 2 fixedly arranged at that location
3, a drive current is supplied to the permanent magnet 22 in the storage tray 33.
6 (a), the storage plate 3 as shown in FIG.
6 generates a rotational force, and the opening of the space 35 faces downward as shown in FIG. 6C through FIG. 6B.

Therefore, the articles stored in the space 35 are:
It falls into the storage box 36 and is stored. After the article falls, electromagnet 2
The supply of the drive current to 3 stops, and the interaction between the electromagnet 23 and the permanent magnet 22 disappears. Therefore, the storage tray 33 returns to the work holding posture (FIG. 6A) by the weight 24 by the principle of rising and spilling, and prepares for the next movement. Also in this embodiment, when the storage tray of one of the moving belts stores articles, the other moving belt is controlled to move to the storage box at the designated place and discharge the stored articles. As in the first embodiment, the moving and discharging of articles can be performed efficiently at high speed.

The moving arm and the moving belt as the moving means have been described as rotating or moving linearly in a horizontal direction by a pulley, but a plurality of moving means move independently. If control is possible, the movement mode is not limited to the above, and another mode may be adopted. In the embodiment shown in FIGS. 1 and 2, the work is discharged from the storage tray by using the solenoid coil 5, the substrate 9, the connecting rod 8, the pulley 7, and the metal wire 6 to drive the work.
Is rotated to discharge the work. In the other embodiments of FIGS. 4 and 5, the work is discharged by rotating the storage plate 33 by utilizing the interaction between the electromagnet 23 and the permanent magnet 22. Alternatively, other structures may be used. For example, a structure in which the bottom plate is opened and closed without rotating the storage plate, or a structure in which the work is discharged by sucking or blowing out from the opening may be used.

Also, various combinations with the apparatus other than those shown in the above embodiment are conceivable, and the article (work) to be handled, the inspection apparatus (identification apparatus), and the article moving means at each stage are also considered. It is possible to adopt a type completely different from that shown in the embodiment.

[0020]

As described above, according to the present invention, when a plurality of independent moving means such as a moving arm and a moving belt are operated independently of each other, when one of the workpieces is supplied, The work can be discharged at the transfer destination, so that the time required for the transfer and discharge can be greatly reduced, and the efficiency of moving the goods can be further improved compared to the already proposed apparatus for moving and discharging the goods. There is. In addition, since the discharged articles are also dropped into the storage box immediately below the articles, the articles are not damaged at the time of ejection. Further, since a plurality of moving units are driven, even if one of the units breaks down, it is possible to drive the other unit, and there is also an advantage in maintenance that a reduction in the operation rate due to the stoppage of the machine can be reduced.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of an article moving and discharging apparatus according to the present invention.

FIG. 2 is a longitudinal sectional view of FIG.

FIG. 3 is a side view showing a drive mechanism for rotating a storage plate at a tip end of a moving arm in FIG. 1 and changing a work to a discharge posture.

FIG. 4 is a plan view showing another embodiment of the moving and discharging apparatus for articles according to the present invention.

FIG. 5 is a longitudinal sectional view of FIG.

FIG. 6 is a side view showing a drive mechanism for rotating a storage plate outside the moving belt in FIG. 4 to change a work to a discharge position.

FIG. 7 is a longitudinal sectional view and a plan view showing an example of a conventional article moving and discharging apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Base 2a, 2b ... Moving arm 3 ... Storage tray 4 ... Horizontal axis 5 ... Solenoid coil 6 ... Metal wire 7 ... Pulley 8 ... Connecting rod 9, 25 ... Board 10 ... Space 11 ... Article inlet 12 ... Spiral coil spring 13, 54 ... storage boxes 14a, 14b, 26a, 26b ... drive shafts 15a, 15b ... motors 16a, 16b ... transmission belts 21a, 21b ... moving belts 22 ... permanent magnets 23 ... electromagnets 24 ... weights 27a, 27b ... pulleys 51 ... Guide for the outlet of the parts feeder 52 ... Rotary discharge duct 53 ... Drive device

Claims (5)

[Claims] 1. A base, a plurality of storage boxes arranged on the base, and a storage box at a designated position among the plurality of storage boxes, each of which is independently driven with respect to the base. A plurality of moving arms that can be moved to a position where the work can be held at a tip of the moving arm and can always hold the work with the opening directed upward, and a drive mechanism that can convert the work to a discharge position with the opening directed downward. And a drive device and a drive circuit provided on the base, and when the storage arm reaches a position designated by the movement of the moving arm, the driving device and the drive circuit convert the article to the discharge position from the storage arm. When one moving arm moves to the article input position and stores the work, the other moving arm moves to the designated storage box and drives and controls to discharge the work to that storage box. To be done Moving the discharge device of the articles, characterized. 2. The article according to claim 1, wherein the movement of the plurality of moving arms is rotation, and the plurality of storage boxes are circumferentially arranged along the tip of the rotating moving arm. Moving discharge device. 3. The storage tray is rotatably supported on a horizontal axis attached to the tip of the moving arm and has a rotation characteristic, and a wire is attached to a part of the storage tray via a pulley. The other end of the wire is fixed to the moving arm, and the wire is pulled against the rotation behavior by the driving force of a driving means such as a solenoid, so that the storage tray can be held from a posture capable of holding a workpiece. 3. The apparatus according to claim 1, wherein the apparatus is changed to a discharging posture, and the wire is released to return to a posture in which the original work can be held by the rotation behavior. 4. A base, a plurality of storage boxes arranged on the base, a plurality of moving belts independently driven with respect to the base, and supported outside the moving belt. A storage plate having a drive mechanism capable of converting the work to a discharge position with the opening facing downward and the work being held at all times and the opening facing downward, and provided on the base, wherein the storage plate is provided. A driving device and a driving circuit for converting an article to a discharging position from the storage tray when the moving belt reaches a predetermined position by movement of the moving belt, wherein one moving belt is driven and stored in the moving belt. When the plate is storing the work at the article input position, the storage plate of another moving belt is driven and controlled to move to the specified storage box and discharge the work to the storage box. Movement of goods Detection device. 5. The method according to claim 1, wherein the plurality of moving belts are endless belts rotated by pulleys, and are arranged in multiple stages in a vertical direction, and the plurality of storage boxes are arranged along the moving belt. An apparatus for moving and discharging articles according to claim 4.