JPH0648556A - Carrier distributing device - Google Patents

Abstract

PURPOSE:To reduce the gap between slats which are in proximities to one another by forming the surface of each of a plurality of slats provided in parallel to one another on a chain synchronously turned along the running rails on both sides of a carrier surface, into a plate-shape of almost flat surface, and by forming the front and rear surfaces of the slat in the proceeding direction into a tilted condition, so that the surface side is protruded in the proceeding direction to a greater degree than the rear surface side. CONSTITUTION:Both end parts of a plurality of slats 31 are connected to endless chains 14 on both ends, which are synchronously turned, and a carrier surface 32 is thus formed. A shoe 51 moved along the slat 31, in which it is fitted, is provided on the slat 31, to carry a material to be carried on the carrier surface 32, while the materials to be carried are preferentially classified and moved to the side of the carrier surface 32. The surface of the slat 31 forming the carrier surface 32 is formed into almost flat surface, while surfaces in the proceeding direction are tilted where the surface side is protruded in the proceeding direction to a greater degree than the rear surface side. A protruded projection 38 is provided on the reverse surface side of the slat 31, continuously tilted on the rear surface in the proceeding direction, and a guide part 42 for guiding the movement of the shoe 51, is provided on the slat 31, in which the shoe is fitted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport sorting device for transporting a transport product on a transport surface and selectively transporting the transport product to the side of the transport surface.

[0002]

2. Description of the Related Art This type of transport sorting device transports a transport product, and when transporting the transport product, when it reaches a sorting unit such as a conveyor connected to a side portion of a transport path, the transport product is selectively transported. Is moved laterally and distributed to the distribution unit.

In the structure of the conventional conveyor sorting apparatus, traveling rails are arranged on both sides of the conveying surface, and endless chains which move on the traveling rails and are synchronously rotated are arranged.
A plurality of slats made of circular pipes are arranged side by side at regular intervals between the chains on both sides, and a transport surface is constituted by the plurality of slats. In addition, a guide mechanism is provided in which a shoe is movably fitted to each pair of slats and the movement of the shoes is controlled below the transport surface.

[0004]

In the conventional transport sorting device, the slats constituting the transport surface are circular pipes,
Since the mounting surface on which the conveyed product is placed is only the tangent part on the upper surface of the pipe, and there is a large gap between the adjacent pipes, for example, when the conveyed product is a bag, a part of the bag falls into the gap and the distribution part It is difficult to sort and transport the bag because there is a bearing that causes a part of the bag that fell when it was sorted to hit the side chain, etc. The same problem occurs when the conveyed product is small.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a slat structure capable of reducing a gap between adjacent slats in a conveying / sorting device. .

[0006]

According to a first aspect of the present invention, there are provided endless chains 14 on both sides that rotate synchronously, and a plurality of endless chains 14 connected to both ends of the chains 14 are arranged in parallel between the chains 14. The slats 31 that make up the transport surface 32 and each of these slats
And a shoe 51 which is fitted to the slat 31 and moves along the slat 31, and which conveys the conveyed article on the conveying surface 32 and selectively distributes the conveyed article to the side of the conveying surface 32. In the apparatus, the slat 31 is provided in a plate shape having a substantially flat surface constituting the transport surface 32, and front and rear surfaces in the traveling direction are provided in an inclined shape in which the front surface side protrudes in the traveling direction from the back surface side. .

According to a second aspect of the present invention, in the first aspect of the present invention, the slat 31 is provided with a protrusion 38 projecting toward the rear surface at an inclination continuous to the rear surface in the traveling direction.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the slat 31 is provided with a guide portion 42 into which the shoe 51 is fitted and which guides the movement of the shoe 51.

[0009]

According to the first aspect of the present invention, the object to be conveyed is placed and conveyed on the conveying surface 32 composed of a plurality of slats 31. If the conveyed product is not distributed, the shoe 51 is not moved and the conveyed product is conveyed as it is. If the goods to be conveyed are sorted, the shoe 51 is moved to
At 51, the transported object is moved to the side and distributed.

Since the slat 31 is provided in the shape of a plate having a substantially flat surface and the front and rear surfaces in the traveling direction are provided in an inclined shape such that the front surface side protrudes in the traveling direction from the rear surface side, the area on which the conveyed object is placed is large. The gap between the adjacent slats 31 becomes small, and even if the conveyed product is a bag or a small product, the amount of falling into the gap is reduced.

According to a second aspect of the present invention, in the first aspect of the invention, the slat 31 in which the projection 38 of the slat 31 is adjacent to the rear side
The gap is made small in close proximity to the front surface of 31 to prevent the conveyed product from entering the gap between the adjacent slats 31 and hide the gap between the adjacent slats 31 from the side of the conveying surface 32. Also, for example, in the transfer portion of the end of the transfer surface 32, the gap between the slats 31 is widened by the return rotation of the chain 14, but the protrusion 38 can reduce the gap, so that the transfer of the transfer object is ensured. become.

According to a third aspect of the invention, in the first or second aspect of the invention, the guide portion 42 of the slat 31 guides the movement of the shoe 51 while maintaining the fitted state of the shoe 51.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of an embodiment of the present invention will be described below with reference to the drawings.

In FIGS. 3 and 4, reference numeral 1 denotes a frame of the transport sorting device. In this frame 1, frame frames 2 on both sides are connected by a plurality of lateral joint members 3 and a plurality of leg members 4 are provided. It is erected.

At both ends of the frame 1, each frame frame 2
A rotating shaft 12 is rotatably arranged by a bearing 11 arranged outside the shaft, and the rotating shaft 12 on the terminal end side (the left side of FIGS. 3 and 4) is rotated counterclockwise by a motor (not shown). It is designed to be driven to rotate.

Inside each of the frame frames 2, each rotary shaft 12
A large-diameter sprocket 13 is fixed to both ends of, and an endless chain 14 is stretched between the sprockets 13 on each frame 2 side. As shown in FIGS. 2 and 5, this chain 14 has a long inner end of a connecting shaft 17 that rotatably connects the ends of the pair of inner links 15 and the ends of the pair of outer links 16. A traveling roller 19 including a bearing 18 is rotatably attached to the connecting shaft 17.

A traveling rail 20 on which traveling rollers 19 travel is mounted between the upper portions of both sprockets 13 on the inner surface of each frame 2, and a traveling rail on which traveling rollers 19 travel underneath both sprockets 13. 21 is installed.

A plurality of slats 31 are provided between the chains 14 on both sides.
Are arranged side by side, and the transport surface 32 is formed on the surface of the plurality of slats 31.
Are configured. This slat 31 is made of, for example, aluminum and has a surface 33 having a substantially flat surface and a front surface 34 and a rear surface 35 in the traveling direction as shown in FIGS. 1 and 2.
The side is formed in a horizontally long plate shape that is inclined and protrudes from the back surface 36 side in the traveling direction. A pair of protrusions 37 are formed on the surface 33 so as to project along the longitudinal direction. The rear surface 35 is formed with a projecting portion 38 that projects obliquely rearward. On the back surface 36, a pair of substantially cylindrical protrusions 40 having attachment holes 39 opening at both ends are formed so as to protrude, and a recess 41 is formed between the protrusions 40.
A shoe 51, which will be described later, is fitted on the outside of the bases of both protrusions 40 to form a dovetail-shaped guide portion 42 for guiding the movement of the shoe 51.

The end surface of the slat 31 is connected to the chain 14 via a mounting member 45. The attachment member 45 is formed with a plate portion 46 attached to the end surface of the slat 31.
A pair of cylindrical parts 47 that are press-fitted and fixed to the mounting holes 39 of the protruding part 40 on the 46.
2 are formed adjacent to each other in the chain 14 in each cylinder portion 47.
The two connecting shafts 17 are press-fitted and fixed.

A shoe 51 is fitted to each slat 31 so as to be movable along the longitudinal direction of the slat 31. The shoe 51 is made of resin such as urethane, and is fitted to the front surface portion 52 of the slat 31 which is fitted to the front surface 33, the back surface portion 53 which is fitted to the back surface 36 of the slat 31, and the front surface 34 of the slat 31 in the traveling direction. A front surface portion 54 connecting the front surface portion 52 and the back surface portion 53 is integrally formed in a substantially U-shaped cross section.

The front surface of the surface portion 52 is formed with an inclined surface 55 toward the front surface portion 54, and the front edge portion 56 of the inclined surface 55 is located below the transport surface 32. ing. Pushing surfaces on both sides of the rear that are inclined inward
57 is formed, and an inclined surface 58 is formed on the rear surface. A recess 59 is formed on the rear surface side corresponding to the position of the pair of protrusions 37 of the slat 31, and an engaging portion 60 that engages with the rear surface of the protrusion 37 is formed at the rear end.

The back surface portion 53 is a pair of protrusions 40 of the slat 31.
Fitting portions 62 that fit into the cylindrical outer surface of the projecting portion 40 are formed at the front and rear portions of the plate-shaped portion 61 that is in contact with the lower surface of the slat 31, and the fitting portions 62 engage the guide portions 42 of the slat 31. Mating part
63 is formed. A boss portion 64 that protrudes into the recess 41 of the slat 31 is formed at the center of the plate portion 61.
A mounting hole 65 is formed in 64.

A guide member 71 is attached to the back surface of the shoe 51. The guide member 71 has a pin 72 and a pin 72.
The roller 73 is rotatably attached to the
The pin 72 is fixed by a fixing member (not shown) arranged at 65.

Further, as shown in FIG. 3, a guide mechanism 81 for controlling the lateral movement of each shoe 51 with respect to the slat 31 is provided. The guide mechanism 81 includes a guide wheel 82 that rotates by fitting a pin 72 and a roller 73 of a shoe 51 to one end of the rotating shaft 12 on the conveying start side and both ends of the rotating shaft 12 on the conveying end side.
83a and 83b are fixed. A guide rail 84 that guides the roller 73 continuously to the guide wheel 82 and moves the shoe 51 to one side of the frame 1 is disposed below the transport surface 32, and the shoe 51 moves continuously to the guide rail 84. Switcher 85 to switch the direction to one side or the other side of frame 1
Is provided, and a guide rail 86 that guides the roller 73 of the shoe 51 whose moving direction is kept on one side of the frame 1 is provided continuously to the switch 85, and continuously to the switch 85. A guide rail 87 for guiding the roller 73 of the shoe 51 whose movement direction is switched to the other side of the frame 1 and moving it to the other side of the frame 1 is provided. Also slats
A guide rail (not shown) for moving the shoe 51 moved to the other side of the frame 1 to the one side of the frame 1 is provided on the return side of 31.

As shown in FIG. 6, the switch 85 is provided with a guide member 88 which guides the pin 72 continuously to the guide rail 84 at one end side and is continuous to the guide rail 86 at the other end side. Guide member 89 for guiding 73, guide rail 87
Guide members 90, 91 for guiding the pin 72 and a guide member 92 for guiding the roller 73 are provided, and the pin 72 is guided between the guide member 88 and the guide members 89, 90 to guide the guide member 89. Alternatively, a switching member 93 that leads to one of the guide members 90 is provided. This switching member 93 is a fulcrum
It is swingably supported about 94 and is swing-driven by an air cylinder 95.

Further, at the end of the frame 1, rollers 101 divided into three in the width direction of the frame 1 are rotatably arranged at the same height as the conveying surface 32 of the slat 31, and are arranged in rows on both sides. The position of the innermost roller 101 is set so as not to interfere with the shoes 51, the position of the innermost roller 101 for the central row is set so as not to interfere with the slats 31, and one is provided at the innermost side of the central row. Many rollers 101a are provided.

A safety cover 102 is attached to the upper portion of each frame 2 so as to cover the chains 14, the traveling rollers 19 and the like.

Further, a carry-in conveyor (not shown) is continuously provided at the start end of the frame 1, a carry-out conveyor (not shown) is continuously provided at the end of the frame 1, and a sorting conveyor is provided at the side of the frame 1. 111 are lined up.

Next, the operation of this embodiment will be described.

The goods carried in from the carry-in conveyor are
It is transferred onto a transfer surface 32 composed of a plurality of slats 31 and transferred.

If the conveyed product is not sorted, the switching device 85 causes the shoe 51 to move to one side of the frame 1 and conveys the conveyed product to the terminal end while being placed on the slats 31. And carry out to the carry-out conveyor.

Further, if the transported object is a sorted transport, as shown in FIG. 3, the switching device 85 switches the moving direction of the shoes 51 to the other side of the frame 1 to push the plurality of shoes 51. The moving object 57 is moved to the other end side of the slat 31 on the moving surface 57 and sent to the sorting conveyor 111.

In the conveying / sorting device thus constructed, the slats 31 are provided in a plate shape with the front surface 33 being substantially flat, and the front and rear surfaces in the advancing direction are provided in an inclined shape such that the front surface side projects in the advancing direction from the back surface side. Therefore, the area on which the transported object is placed can be increased and the gap between the adjacent slats 31 can be reduced. Therefore, for example, even when the transported object is a bag or a small object, the bag is less likely to fall into the gap, and the present invention can be applied to the transportation sorting of the bag or the small object, which has been difficult in the past.

Further, the protrusion 38 provided on the slat 31 closely faces the front surface of the slat 31 which is adjacent to the rear side, and the tip portion is located rearward of the position of the front end portion of the slat 31 which is adjacent to the rear side. Therefore, it is possible to prevent the conveyed object from entering the gap, and it is possible to hide the gap when viewed from the side of the conveying surface 32. Further, in the transfer portion of the end of the transfer surface 32, the gap between the slats 31 is widened by the return rotation of the chain 14, but the protrusion 38 can reduce the gap to ensure transfer of the transfer object. Become.

Moreover, a pair of protrusions is formed on the surface 33 of the slat 31.
Since 37 is provided, the frictional resistance when the transported object moved by the shoes 51 slides on the slat 31 is small, the transported object can be smoothly moved, and damage to the transported object due to friction can be prevented. it can.

Further, since the traveling roller 19 provided on the chain 14 travels on the traveling rail 20, the traveling resistance is small, the power source can be downsized, and the noise can be reduced.

Further, since the shoes 51 to be attached to one slat 31 one by one are formed in a substantially U shape, only the shoes 51 fitted to one slat 31 are positioned between the adjacent slats 31. However, the distance between the adjacent slats 31 can be reduced. That is, for example, when the shoe 51 has a substantially square cross-section that fits around the entire circumference of the slat 31, each shoe 51 that fits into each slat 31 is supported between the adjacent slats 31 for its movement. The gap between the adjacent slats 31 must be increased in order to position them so that there is no gap.

Moreover, since the inclined surface 55 is provided on the front side of the shoe 51 in the traveling direction, and the front edge portion 56 of the inclined surface 55 is set to be lower than the conveying surface 32, during the conveying operation, Even if the movement of the conveyed product is restricted due to some trouble and the shoe 51 advancing to the conveyed product comes into contact with the conveyed product,
The slanted surface 55 of the shoe 51 comes into contact with the transported object, and the slanted surface 55
The scooped up conveyed article is carried out, and the shoe 51 passes under the conveyed article, so that the conveyed article can be prevented from being damaged.

Further, by positioning the boss portion 64, which is the mounting portion of the guide member 71 of the shoe 51, between both the projecting portions 40 of the slat 31, the portion of the boss portion 64 is the protrusion of the guide member 71 from the shoe 51. Since the dimensions are small, the dimension from the surface of the shoe 51 to the guide member 71 can be reduced. This means that the shoe that fits into the guide wheels 82, 83a, 83b and rotates.
The radius of gyration required for the rotational movement of 51 is smaller, and this smaller radius of gyration means that the guide wheels 83a, 83
Each roller on both sides with respect to the shoe 51 that rotates by fitting to b
101 can be placed closer together. for that reason,
It is possible to reduce the gap when the conveyed item is transferred from the slat 31 to the rollers 101 on both sides.For example, even when the conveyed item is a bag or a small object, it is difficult to drop into the gap, and it is difficult for the bag and the small object. It can also be applied to the distribution of goods and the like.

[0040]

According to the invention of claim 1, since the slats are provided in the shape of a plate having a substantially flat surface, the front and rear surfaces in the traveling direction are provided in an inclined shape such that the front surface side protrudes in the traveling direction from the rear surface side. It is possible to increase the area on which is placed and to reduce the gap between adjacent slats.For example, even if the conveyed product is a bag or small object, there is little drop in the gap, which is difficult for the bag and small object. It can also be applied to transport distribution.

According to the invention of claim 2, in the invention of claim 1, the projecting portion of the slat closely faces the front surface of the slat that is adjacent to the rear side, and the conveyed product is prevented from entering the gap between the adjacent slats. It is possible to regulate and also to hide the gap between the adjacent slats when viewed from the transport surface side.

According to the invention of claim 3, in the inventions of claims 1 and 2, even if the slat has the above-mentioned shape, by providing a guide part for fitting the shoe to the slat, the fitted state of the shoe can be improved. It is possible to guide the movement of the shoe while keeping it.

[Brief description of drawings]

FIG. 1 is a partial side view showing an embodiment of a transport distribution device of the present invention.

FIG. 2 is a partial cross-sectional view of the above embodiment.

FIG. 3 is a plan view of the above embodiment.

FIG. 4 is a side view of the above embodiment.

FIG. 5 is a plan view of the chain of the above embodiment.

FIG. 6 is a plan view of the switching device of the above embodiment.

[Explanation of symbols]

 14 Chain 31 Slat 32 Transfer surface 38 Projection 42 Guide 51 Shoe

Claims (3)

[Claims] 1. An endless chain on both sides which rotate synchronously, a plurality of slats which are connected in parallel to each other on both sides of the chain to form a conveying surface between the chains, and which are fitted to the slats. And a shoe that moves along a slat, wherein the slat is configured to convey the object on the conveyor surface and selectively distribute the object to a side of the conveyor surface. A transport distribution device, characterized in that a front surface constituting a surface is provided in a plate shape having a substantially flat shape, and front and rear surfaces in a traveling direction are provided in an inclined shape such that a front surface side protrudes in a traveling direction from a back surface side. 2. The transport sorting device according to claim 1, wherein the slats are provided with a projecting portion projecting to the back surface side at an inclination continuous to the rear surface in the traveling direction. 3. The transport sorter according to claim 1, wherein the slat is provided with a guide portion into which the shoe is fitted and which guides the movement of the shoe.