JPH0826484A - Layered tray separation device - Google Patents

Abstract

PURPOSE:To facilitate the widthwise position setting of trays layered at tray guides. CONSTITUTION:Pinions 17 are made to mesh with a rack formed at guide bars 12, and the direction of the both traces of the pinions 17 and the rack is made the same with the length direction of a tray, and the pinions 17 are fixed at a pinion shaft 18, and when the pinion shaft 18 is rotated by means of a handle 19 fitted to one end of the pinion shaft 18, tray guides 13, 14 are moved, with the sides of tray guides 9, 10 as references, in a going away direction form the tray guides 9, 10 or in an approaching direction to the tray guides 9, 10 and the widthwise interval of trays is regulated. By rotating support shafts 3, 4 by means of a handle 16, the tray guides 9, 13 and the tray guides 10, 14 are opened closed, and regulation to a tray lengthwise size is made. At this time, the rack is moved only in the tooth trace directions of the pinions 17, so the tray guides 13, 14 are mot moved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stacked tray separating device for separating trays used for serving foods and the like one by one.

[0002]

2. Description of the Related Art The prior art will be described with reference to FIGS.
The stand 2 is erected on the machine base 1, and the support shafts 3 and 4 rotatably provided on the stand 2 are horizontally arranged vertically.
Retaining members 5 and 6 each having a female thread formed therein are screw-fitted to the reverse threaded portions formed on the left and right sides of 4, and tray guides 9 and 10 are provided upright on the holding members 5 and 6. Tray guide 9,
A holding member 23 is provided on the outer side of each of 10, and a guide bar 24 is slidably provided on each of the holding members 23. The tray guides 13 and 14 extending in the stacking direction of the tray 8 are provided at one end of the guide bars 24 and 24. It's stuck. The trays 8 stacked in the tray guides 9, 10, 13, 14 are stored.

[0003]

There are no legal standards or JIS standards for the size of trays used for packaging foods and the like, and there are hundreds of types. Each time it changes, the tray guides 9, 10, 13, 14 for accommodating the stacked trays must be adjusted to the length and width of the tray 8.

Conventionally, the spacing between the trays 8 in the lengthwise direction is set by rotating the support shaft 7 with the handle 16 and by moving the tray guides 9 and 13.
It is set by opening and closing the tray guides 10 and 14 from side to side as viewed in FIG. To set the tray 8 in the width direction, one of the knobs 25 is loosened, and the tray guide 13 is moved through the guide bar 24 with the holding member 5 as a guide, thereby setting the space between the tray 8 and the tray guide 10. In the same manner, the tray guide 14 is also set by moving the knob 26 by loosening the knob 26. Therefore, since the work efficiency of the position adjustment in the width direction is poor and the tray guide 13 and the tray guide 14 are moved separately, the distance between the tray guide 9 and the tray guide 14, the tray guide 10 and the tray guide 14, respectively. It was difficult to accurately align the interval with 13.

An object of the present invention is to provide a stacking tray separating device which eliminates the above-mentioned drawbacks of the prior art and facilitates the position setting of the trays stacked on the tray guide in the width direction.

[0006]

The above object is to provide tray guides A and B, which are opened and closed in one direction of the length or width of the tray, on a stand erected on the machine base. In the stacking tray separating device having a separating device for separating and taking out the lowest tray one by one below the tray, the tray guide B is provided on a pair of guide bars, and the guide bars are provided on the tray guide A in the one direction. Is provided movably in a direction orthogonal to the opening / closing direction of the, the pinion shaft is rotatably provided on the stand, the pinion extending in the opening / closing direction in the tooth line direction is fixed to the pinion shaft, and the guide bar is rotated by rotation of the pinion shaft. It is achieved by engaging the pinion with a rack formed on the guide bar so that the pinion moves.

[0007]

In the stacking tray separating device configured as described above, when the stacked trays are stored in the tray guides A and B, the pinion shaft is first rotated according to the length and width of the trays. The pair of guide bars are moved integrally with the tray guide B through the pinion and the rack to match the widthwise dimension of the tray. Next, rotate the support shaft,
Open and close the tray guides A and B to match the length of the tray. At this time, the guide bar only moves in the tooth trace direction of the pinion, so the tray guide B does not move.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. 1 is a front view of a stacking tray separating apparatus showing an embodiment of the present invention, FIG. 2 is a right side view of FIG. 1, FIG. 3 is a plan view of FIG. 1, and FIG. 4 is a perspective view of the stacking tray separating apparatus. .

In the figure, a stand 2 is erected on a machine base 1, support shafts 3 and 4 rotatably provided in the stand 2 in a horizontal direction are vertically arranged, and formed on the left and right sides of the support shafts 3 and 4. The holding member 5 and the holding member 6 each having a female screw formed on the reverse screw portion are screw-fitted to each other, and the tray guide 9 is attached to the holding member 5.
Tray guides 10 are provided upright on the holding members 6.

A holding member 11 is provided on each of the outer side portion 9a of the tray guide 9 and the outer side portion 10a of the tray guide 10, and a guide bar 12 is provided on each of the holding member 11 so as to be slidable in the horizontal direction. A tray guide 13 is provided at one end (opposite to the tray guide 9 side) of the guide bar 12, and a tray guide 14 is provided at one end (opposite to the tray guide 10 side) of the other guide bar 12. The trays 9, 10, 13, 14 accommodate the stacked trays 8. The tray guide A is the tray guides 9 and 10.
And the tray guide B indicates the tray guides 13 and 14.

The upper and lower support shafts 3, 4 are connected by a chain 15, and when a handle 16 provided at one end of the support shaft 4 is turned, the support shafts 3, 4 are synchronized with each other via the chain 15. When the support shafts 3 and 4 are rotated in the normal direction or the reverse direction, the distance between the tray guides 9 and 13 and the tray guides 10 and 14 moves via the holding member 5 in a direction in which they are away from each other or a direction in which they approach each other with respect to the center. . Thereby, the space in the length direction of the tray 8 can be arbitrarily adjusted.

A pinion 17 is attached to a rack 12a formed at the other end of the guide bars 12 and 12 (on the side of the tray guides 9 and 10).
And the teeth of the rack 12a and the pinion 17 are in the same direction as the length direction of the tray 8. The pinion 17 is rotatably fixed to a pinion shaft 18 provided on the stand 2. By rotating the pinion shaft 18 forward and backward with a handle 19 attached to one end of the pinion shaft 18, the tray guide 13 and the tray guide 1 with the tray guides 9 and 10 as a reference via the guide bars 12 and 12.
4 goes away from the tray guides 9 and 10 together,
Or move in the direction of approach. Thereby, the widthwise spacing of the tray 8 can be adjusted arbitrarily. Tray guide 9,1
At the lower end of 0, holding mechanisms 20 and 20 for holding both edge portions of the lowest tray 8 are fixed.

Reference numeral 21 is a separating device in which a suction force is generated by a pump (not shown), and the separating device 21 is moved up and down to adsorb the bottom surface of the lowest tray 8 and to pass through the holding mechanisms 20 and 20 to separate them one by one. Let The adsorbed state of the peeled tray 8 is released at the position of the transfer device 22,
It is transported by 2.

In the above structure, when the stacked trays 8 are stored in the tray guides 9, 10, 13, and 14, first, the handle 1 is set depending on the length and width of the tray 8.
The pinion shaft 18 is rotated at 9 to move the pair of guide bars 12 and 12 integrally with the tray guides 13 and 14 through the pinion 17 and the rack 12a to match the widthwise dimension of the tray 8. Next, with the handle 16, the support shafts 3, 4
Rotate the tray guides 9 and 13 and the tray guide 1
0 and 14 are opened and closed to match the lengthwise dimension of the tray 8. At this time, the rack 12 of the guide bars 12 and 12
Since a moves only in the tooth trace direction of the pinion 17 of the pinion shaft 18, the tray guides 13 and 14 do not move.

Therefore, the tray guides 13 and 14 can be simultaneously moved only by operating the handle 19.
Further, since the handles 16 and 19 are at the same position, the tray guide can be quickly adjusted in the length direction and the width direction.

[0016]

According to the present invention, even if the size of the tray to be used is changed, the tray guide can be easily aligned by rotating the pinion shaft. Further, by extending the pinion tooth line direction in the one direction of opening and closing, the rack of the guide bar moves in the pinion tooth line direction when the tray is opened and closed in one direction of the length or width of the tray. So only
The open / close position in the other direction does not shift. Further, since the rack gear cutting and the pinion are only provided, the rack can be provided at a low cost, and the movement amount per one rotation is large, so that the guide alignment can be performed more quickly.

[Brief description of drawings]

FIG. 1 is a front view of a stacking tray separating apparatus showing an embodiment of the present invention.

FIG. 2 is a right side view of FIG.

FIG. 3 is a plan view of FIG.

FIG. 4 is a perspective view of a stacking tray separating device.

FIG. 5 is a front view of a conventional stacking tray separating device.

FIG. 6 is a right side view of FIG.

FIG. 7 is a plan view of FIG.

[Explanation of symbols]

3, 4 are support shafts, 5, 6, 11 are holding members, 8 is a tray, 9, 10, 13, 14 are tray guides, 12 is a guide bar, 12a is a rack, 16 and 19 are handles, 17
Is a pinion, and 18 is a pinion shaft.

Claims (1)

[Claims] 1. A tray guide A which opens and closes on a stand erected on a machine stand in one direction of the length or width of the tray.
In a stacking tray separating device having a tray B, and a separating device for separating and taking out the lowest tray one by one below the tray guides A and B, the tray guides B are provided on a pair of guide bars. The bar is provided on the tray guide A so as to be movable in the direction orthogonal to the one opening / closing direction, the pinion shaft is rotatably provided on the stand, and the pinion extending in the tooth line direction in the opening / closing direction is fixed to the pinion shaft. A stacking tray separating device, wherein the pinion is meshed with a rack formed on the guide bar so that the guide bar is moved by the rotation of the pinion shaft.