JPH06183546A - Transfer device - Google Patents

Abstract

PURPOSE:To smoothly transfer an object to be coveyed between a tray and a conveyer with no restriction of a size of the object to be conveyed, even when there is provided a height difference between conveyer lines, by forming a bottom plate of the tray in a drain-board shape so that a plurality of bar units, having a roller body in the point end, can pass a clearance of the bottom plate. CONSTITUTION:An object to be conveyed 2 conveyed by a roller conveyer 4 in the upstream is once stopped moving with a pressing plate 10 serving as a stopper in a transfer position. When a tray 3 is stopped in the transfer position, a plurality of bar-shaped units 7, provided with a roller unit 6 in the upper end, are lifted by passing a strip-shaped through hole 3c in a bottom surface of the tray 3 and placed flush with a conveying surface of the roller conveyer. Next, the pressing plate 10 is lifted to dodge about the object to be conveyed 2, moved and lowered down to an opposite tray conveyer side of the object to be conveyed, to move the object to be conveyed 2 pressed onto the bar-shaped unit 7 from the roller conveyer 4. Successively by lowering down the bar--shaped unit 7, the object to be conveyed 2 loaded thereon is transferred onto the tray 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer device for transferring articles between conveyor lines, and more particularly to a transfer device capable of smoothing transfer and preventing flaws during transfer. is there.

[0002]

2. Description of the Related Art A conventional transfer device is disclosed in, for example, Japanese Patent Laid-Open No.
As in the device for changing the direction of articles on the way of conveyance described in Japanese Patent No. 25388, the upstream conveyor of the two conveyor lines is provided with a standby part for the conveyed product, and the conveyed product conveyed to the standby part is an extrusion bar. Although it is extruded at a right angle to the downstream conveyor, the transfer board closes the gap between the conveyors during transfer to prevent the conveyed items from falling.

FIG. 6 is an explanatory view of another conventional transfer apparatus. As shown in FIG. 6, when there is a step (height difference) between the upstream side conveyor and the downstream side conveyor, the transfer conveyor 23 that can be moved up and down by the elevator 13 to the downstream end of the upstream side roller conveyor 4. The conveyor drive device 24 serves to smoothly convey the conveyed product 2. An example of such a conventional transfer device is, for example, Japanese Patent Laid-Open No. 60-171901.
The technique described in the publication is known. Further, in order to carry out smooth transportation, it is also practiced to place an article to be carried on a tray and carry it by a tray conveyor.

[0004]

Of the above-mentioned conventional techniques,
The device described in Japanese Patent Application Laid-Open No. 52-25388 is suitable for transferring a product having a constant size or shape, but in the case of a product having a non-uniform size or shape, a small product is The extrusion bar may not be pushed all the way to the downstream conveyor and may be scratched on the intermediate plate in the middle. In addition, FIG.
In the example shown in (1), the conveyed product may be damaged by falling off from the transfer conveyor 23 or being caught in the conveyor roller.

Further, in the case where an object conveyed on a roller conveyor is loaded and transferred on a tray, or conversely, an object placed on a tray and conveyed is unloaded on a roller conveyor. In case of loading, to transfer without relying on human hands, a hole for the space for the transfer conveyor to enter can be opened in the bottom of the tray, and the size of the hole is unexpectedly large, so the transported goods may drop. Therefore, the transfer section needed a person to monitor it.

The present invention has been made in order to solve the above-mentioned problems of the prior art, and the transfer of a conveyed product between conveyor lines or between trays and conveyors is not restricted by the size of the conveyed product. In addition, it is an object of the present invention to provide a transfer device that can be smoothly carried out without manpower and a conveyed object is not damaged. Another object of the present invention is to provide a height difference between conveyor lines,
Another object of the present invention is to provide a transfer device that can be transferred smoothly even when the number of conveyor lines is two or more, and can be used as a sorting means.

[0007]

In order to achieve the above object, the structure of the first invention relating to the transfer device of the present invention comprises first and second conveyors which are arranged with a step between them. , On at least one of the conveyors, in the transfer device for transferring a product between the first and second conveyors, which is configured to carry the product by placing it on a tray, an edge height slightly lower than the step is set. A tray having a rectangular through hole in the form of a slats on the bottom surface, and a plurality of trays arranged at a position where the tray can pass through at least the conveyor side using the tray and having a rolling means at the upper end. Rod-shaped body, an elevating means for the rod-shaped body, and a push plate that is arranged above the transfer position of the conveyed object on the first and second conveyors, moves up and down while passing the conveyed object, and moves the conveyed object. An extrusion means having It includes those were.

Further, according to the second aspect of the present invention relating to the transfer device for the above object, there is provided a tray conveyor for mounting and transporting a transport object on a tray, and a transport surface at a position higher than a height of an edge around the tray. In a device for transferring a conveyed product between the tray conveyor and a roller conveyor arranged at a right angle, a tray having a rectangular through hole in the shape of a saw and a through hole of the tray are provided. Orthogonal transfer means of a tray conveyor provided with a plurality of rod-shaped bodies arranged at passable positions and provided with rolling means at the upper end, and lifting means for the rod-shaped bodies,
The pushing means is provided above the orthogonal transfer means and has a pushing plate that moves up and down on the raised rod-shaped body.

Further, in order to achieve the above object, the structure of the third invention relating to the transfer device of the present invention is such that the transfer of the conveyed product between the first and second conveyors arranged at right angles to each other. In the device, a plurality of rod-shaped bodies arranged so as to be able to pass between the rollers of the conveyor and provided with rolling means at the upper end,
The rod-shaped lifting means and the first and second conveyors are provided at the transfer position between the conveyors, and are arranged above the transfer position of the transfer object so that the transfer object can be moved up and down.
Further, it is provided with an extruding means having a pushing plate for moving the conveyed product.

[0010]

The function of the above technical means will be described with the second invention as a typical example. The conveyed product conveyed by the upstream roller conveyor temporarily stops moving at the transfer position by using the push plate as a stopper. When the tray is stopped at the transfer position, the rod-shaped body passes through the strip-shaped through hole on the bottom surface of the tray and rises to become the same surface as the transport surface of the roller conveyor. Next, the push plate moves upward to move past the conveyed product and descend to the side opposite to the tray conveyor of the conveyed product, and pushes the conveyed product from the roller conveyor onto the rod-shaped body to move it. Then, when the rod-shaped body descends, the conveyed product placed on the rod-shaped body is transferred onto the tray.

In the case where the rod-shaped body can be moved up and down between the conveyor rollers and the orthogonal transfer device is provided across the two conveyor lines of the tray conveyor and the roller conveyor,
When the transported object is stopped at the transfer position of the roller conveyor, the support beam that supports the rod-shaped object rises to raise the rod-shaped object onto the conveyor's transport surface, lifts the transported object, and the push plate conveys it on the rod-shaped object. By pushing the article toward the tray conveyor to move the article and then lowering the support beam, the article can be transferred smoothly.

By changing the drive motor of the push plate by a known control means, the speed of the push plate can be adjusted to a speed suitable for the conveyed object. Further, in the above description of the operation, the transfer direction is described from the roller conveyor side to the tray conveyor side, but transfer from the tray conveyor side to the roller conveyor side is also possible. The above-mentioned first and second inventions are examples in which there is a step between the conveyors, and the conveyed object is conveyed on a tray, and the third invention is
This is an example in which there is no step between the conveyors and no tray is used, but in any case, the action of the rod-shaped body and the push plate conforms to the above-mentioned action description.

[0013]

Embodiments of the present invention will be described below with reference to FIGS. [Embodiment 1] First, an embodiment of the first and second inventions, particularly the second invention, will be described with reference to FIGS. 1 is a front view showing the configuration of a transfer device according to an embodiment of the present invention, FIG. 2 is a plan view of a tray used in the device of FIG. 1, and FIG. 3 is a sectional view taken along line XX of FIG. is there.

In FIG. 1, 2 is a conveyed object, 3 is a tray on which the conveyed object is placed, 3c is a rectangular through hole formed in the bottom surface 3d of the tray 3 in a saw-like shape, and 4 is a first conveyor ( Here, the roller conveyor related to the upstream conveyor)
5 is a tray conveyor related to the second conveyor (here, the downstream conveyor), 6 is a roller body related to rolling means, 7 is a rod-shaped body having the roller body 6 at the upper end, and the rod-shaped body 7 is A plurality of bodies are arranged at positions where they can pass through the through holes 3c of the tray 3. Reference numeral 8 is a support beam that supports the plurality of rod-shaped bodies 7, and 9 is the plurality of rod-shaped bodies 7 and support beams 8.
It is an elevating cylinder related to means for elevating and lowering.

Reference numeral 10 is a push plate, 12 is a moving body, 13 is an elevating means for moving the push plate 10 up and down, and 14 is a horizontal beam arranged above the transported article transfer position. Constitutes a means. Here, push plate 1
0 is suspended from the elevating means 13 provided on the moving body 12, and the moving body 12 is a guide rail 14 a on the cross beam 14.
It is movably attached by a wheel 12a guided so as to sandwich. 2 and 3, the tray 3 has a bottom surface 3d provided with a rectangular through hole 3c and a peripheral edge 3e provided therein.
Indicates. The tray 3 has a height of the edge 3e slightly lower than the step A between the conveyors.

The operation of such a transfer device 1A will be described. The conveyed product 2 is carried in by the roller conveyor 4 on the upstream side. On the other hand, the tray conveyor 5 on the downstream side is provided with two pairs of roller support beams 5a and 5b, and guides and conveys the tray 3 at both side end portions 3a and 3b. The height difference (step between the conveyors) between the conveying surface of the roller conveyor 4 and the upper surfaces of the roller supporting beams 5a and 5b of the tray conveyor 5 is A.

A plurality of rod-shaped bodies 7 each having a roller body 6 at the top end thereof are supported by a support beam 8, and when the tray 3 enters the transfer position and stops, the support beam 8 is raised by an elevating cylinder 9 and the roller body 6 is moved. Passes through the through hole 3c and rises by a distance B, and the upper surface of the roller body 6 is at the same height as the conveying surface of the roller conveyor 4.

Next, the push plate 10 located at the position C at the end of the roller conveyor 4 and preventing the movement of the conveyed product 2 is moved over the conveyed product 2 to the position D, and then the arrow. It moves in the direction of E to transfer the conveyed product 2 from the roller conveyor 4 onto the roller body 6, and the conveyed product 2 comes into contact with a stopper 11 provided on the right side surface of the drawing to stop the movement. Continued rod 7
Is lowered by B, and the conveyed product 2 is placed on the bottom surface 3d of the tray 3 to complete the transfer of the conveyed product 2. The tray 3 on which the conveyed object 2 is placed is moved in a predetermined direction by the roller support beams 5 a and 5 b of the tray conveyor 5. By varying the drive motors for the push plate 10 and the moving body 12 with a known control means, the speed of the push plate can be adjusted to a speed suitable for the conveyed object.

According to the present embodiment, the transfer of the conveyed objects between the conveyor lines which are arranged at right angles to each other and have a step difference therebetween can be carried out smoothly without being restricted by the size of the conveyed objects. Therefore, it is possible to provide a transfer device which can be carried out without damaging the transported object. In particular, it is effective for transferring a conveyed product having a non-uniform size or shape between the roller conveyor and the tray.

In this embodiment, the conveying direction is reversed and
The articles 2 conveyed by the tray conveyor 5 are bar-shaped 7
It is also possible to push it up with and then transfer it to the roller conveyor 4 with the push plate 10. Further, if the present embodiment is applied, it is possible to transfer a conveyed product from one tray to another tray.

[Embodiment 2] Next, an example of a combination of the first and second inventions will be described with reference to FIGS. 4 and 5. Figure 4
FIG. 5 is a plan view of a transfer device according to another embodiment of the present invention.
FIG. 6 is a sectional view taken along line YY of FIG. 4. In the figure, those having the same reference numerals as those in FIG. 1 are the same parts as those in the previous embodiment, and therefore their explanations are omitted. 4 and 5, F is a roller conveyor related to the first conveyor, G is a roller conveyor related to the second conveyor, and H is a tray conveyor related to the third conveyor. The roller conveyor F is arranged at right angles to the roller conveyor G and the tray conveyor H, and
The case where the transport surfaces of the roller conveyor F and the roller conveyor G are on the same plane, and the tray conveyor H is at a lower position than the other roller conveyors F and G is shown.

15f and 15g are roller conveyors F and G
Nos. 16f and 16g are roller bodies related to rolling means, and 17f and 17g are roller bodies 16f and 16g at upper ends.
A plurality of rod-shaped bodies 17f are arranged at positions where they can pass between the rollers 15f of the roller conveyor F. Similarly, a plurality of rod-shaped bodies 17g are arranged at a position where they can pass between the rollers 15g of the roller conveyor G. 1
Reference numeral 8 is a support beam that supports a plurality of rod-shaped bodies 17f and 17g, and 19 is an elevating cylinder that is a means for moving up and down the plurality of rod-shaped bodies 17f and 17g and the support beam 18.

That is, the transfer device 1B has a roller body 16 which can pass between the rollers 15f of the roller conveyor F.
A support beam 18 including a rod-shaped body 17f having f at the upper end and a rod-shaped body 17g having a roller body 16g capable of passing between the rollers 15g of the roller conveyor G at the upper end,
It is supported by a lifting cylinder 19. Since the roller conveyor F and the roller conveyor G are arranged at a right angle, the roller 15f and the roller 15g are oriented at right angles, but the roller body 16g has a length that allows the roller body 16g to pass between the rollers 15g. It is the same as the roller body 16f, and normally,
The upper surfaces of the roller bodies 16f and 16g are flush with the transport surfaces of the conveyors F and G.

The pushing plate 10 and the moving body 12 are the same as those of the embodiment shown in FIG. 1, and as shown in FIG. 1, the pushing plate 10 is supported by the moving body 12 so as to be able to move up and down. In addition, the horizontal beam 20
Are arranged so as to straddle the roller conveyors F and G and the tray conveyor H, so that the moving body 12 can move above each conveyor. Reference numeral 21 denotes a crossover conveyor that closes a gap between the roller conveyor G and the tray conveyor H, and 22.
Is an elevating cylinder of the transfer conveyor 21.

The operation of such a transfer device 1B will be described. When the conveyed product 2 is carried in by the roller conveyor F and stopped by the push plate 10 at the j position, the roller body 16f supported by the support beam 18 ascends due to the elevation of the elevating cylinder 19 and supports the conveyed product 2. The push plate 10 moves over the article 2 to move to the position k and moves the article 2 in the direction of arrow m. At the time of movement of the conveyed product 2, the crossover conveyor 21 serves as a stopper at the raising position n by the elevating cylinder 22, the conveyed product 2 stops moving, and the elevating cylinder 19 is lowered in this state, The conveyed product 2 is transferred to the roller conveyor G.

The tray conveyer H is the same as the tray conveyer 5 shown in FIG. 1, and enables the conveyance of the conveyed product 2 by the tray 3 and the transfer can be performed by the same transfer device as in the previous embodiment. Is. When the transfer conveyor 21 is at the fixed position p, the tray 3 stops at the transfer position, the rod-shaped body 7 passes through the strip-shaped through hole 3c of the tray 3, and the upper surface of the roller body 6 is the transfer surface of the transfer conveyor 21. When the height is the same as the fixed position p, the conveyed product 2 can continue to move to the right in the figure by the push plate 10 and can be transferred to the tray conveyor H.

According to this embodiment, there are two or more conveyor lines in which the conveyor lines are arranged at right angles to each other and have no step, and the conveyor lines which are arranged in parallel to each other and have steps are combined. The transfer of goods between conveyors or between conveyors and trays can be carried out smoothly without human intervention without being constrained by the size of the goods, and the goods can be transferred without damage. A device can be provided.

[0028]

As described in detail above, according to the present invention, the transfer of a conveyed product between conveyor lines or between trays and conveyors is not restricted by the size of the conveyed product,
It is possible to provide a transfer device that can be smoothly carried out without manpower and the transported object is not damaged.
Further, according to the present invention, even if there is a difference in height between the conveyor lines, or even if there are two or more conveyor lines, it is possible to perform smooth transfer, and further, it can be used as a sorting means. A mounting device can be provided.

[Brief description of drawings]

FIG. 1 is a front view showing the configuration of a transfer device according to an embodiment of the present invention.

FIG. 2 is a plan view of a tray used in the apparatus of FIG.

FIG. 3 is a sectional view taken along line XX of FIG.

FIG. 4 is a plan view of a transfer device according to another embodiment of the present invention.

5 is a cross-sectional view taken along line YY of FIG.

FIG. 6 is an explanatory diagram of a conventional transfer device.

[Explanation of symbols]

 2 Transported object 3 Tray 3c Through hole 3d Bottom surface 3e Edge 4 Roller conveyor 5 Tray conveyor 6, 16f, 16g Roller body 7, 17f, 17g Rod-shaped body 8, 18 Support beam 9, 19 Lifting cylinder 10 Push plate 12 Moving body 13 Lifting Means 14 and 20 Horizontal beams 15f and 15g Rollers 21 Crossover conveyor

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification number Internal reference number FI Technical indication location B65G 65/02 8308-3F (72) Inventor Tetsuo Shiotani 23-23 Honmachi, Itabashi-ku, Tokyo Lintec Co., Ltd. Inside the company (72) Inventor Tatsuo Inoue 5-14-14 Koishikawa, Bunkyo-ku, Tokyo Inside Mizuho Machinery Co., Ltd.

Claims (4)

[Claims] 1. The first and second conveyors are provided with first and second conveyors which are arranged with a step difference from each other, and on which conveyors are placed and conveyed on at least one conveyor. In the transfer device of the conveyed goods between the conveyors, a tray having a slightly lower edge height than the step and having a rectangular through hole in the shape of a slats on the bottom, and at least the conveyor side using the tray. , A plurality of rod-shaped bodies arranged at positions where they can pass through the through-holes of the tray and provided with rolling means at the upper end, an elevating means for the rod-shaped bodies, and a transfer position of the conveyed article on the first and second conveyors. And a push-out unit having a pushing plate for moving the transported object while moving up and down while avoiding the transported object. 2. A tray conveyor for placing and carrying a conveyed product on a tray, and a roller conveyor having a conveying surface at a position higher than a height of an edge around the tray and arranged in a direction perpendicular to the tray conveyor. In a device for transferring a conveyed article between a tray having a rectangular through hole on the bottom surface and a plurality of rods having rolling means arranged at a position where the through hole of the tray can pass and arranged at the upper end. Extrusion having an orthogonal transfer means of a tray conveyor provided with a body and an elevating means for the rod-shaped body, and a push plate disposed above the orthogonal transfer means and moving up and down on the elevated rod-shaped body. And a transfer device. 3. An apparatus for transferring a conveyed product between first and second conveyors arranged at right angles to each other, wherein a plurality of rollers are arranged so as to be able to pass between the rollers of the conveyor and have rolling means at the upper end. The rod-shaped body and the means for raising and lowering the rod-shaped body are provided at the transported object transfer position between the first and second conveyors, and are disposed above the transported object transfer position to avoid the transported object. A transfer device, which is capable of moving up and down by means of a push plate having a push plate for moving the conveyed object. 4. A transfer conveyor that can move up and down to fill a space between the conveyors is provided at a transfer position of the plurality of conveyors, and a member of the transfer conveyor constitutes a stopper for the transfer object at its raised position. The transfer device according to any one of claims 1 to 3, wherein: