JPH01288520A - Transfer-sorting device - Google Patents

Abstract

PURPOSE:To sort securely and prevent damages in a transfer-sorting device of a slat conveyor type by moving a slider according to the movement of a chain and causing a support belt to run to a side of the transfer direction by the amount which is an integral multiple of the amount of the slider movement. CONSTITUTION:An object to be transferred is carried on the middle part of a support belt 6 of a slat frame 1 moved together with a pair of right and left chains 12 along a circulation path. A movable switching guide 29 of an operation means 9 is turned at a sorting position to cause rollers 7, 8 moving along a guide rail 32 to engage with one of switching guides 30a and to be switched to right or left. As a result, a slider 3 moves together with the movement of the rollers 7, 8 to one side of a circulation path 2, a support belt 1 is moved with a moving roller 5 by the amount which is an integral multiple of the stroke of the slider 3 and the object is discharged sideways. Thus, sorting is performed securely and in a stabilized manner.

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention conveys articles and transports the articles to the side that intersects with the conveying direction, thereby separating the articles by type and shipping. This relates to a transport sorting device that sorts by destination.

(Prior art) For example, items are transported along a transport path, and at multiple locations along this transport path, the items are selectively transported to the side of the transport path depending on the type or shipping defect. For conveyance sorting, there are devices that use scrapers or pushers to push the items on the conveyor that makes up the conveyor path to the side, and devices that push the items on the conveyor that makes up the conveyor path to the side, or devices that tilt the carts or trays that run along the conveyor path to the side. There are methods that allow items to fall to the side using gravity.
A transportation sorting device that is suitable for long items and can easily accommodate differences in item length was developed in the 1970s
There is one disclosed in Japanese Patent No. 5-16933.

This transport sorting 1ffff is based on a slat conveyor, with protrusions protruding from the product placement surface of the slat conveyor, and these protrusions are provided so as to be movable laterally, and by the lateral movement of the protrusions, It is designed to push items out to the side.

(Problem to be Solved by the Invention) The conveying and sorting device shown in the above-mentioned publication is
Because the product is pushed out to the side by multiple protrusions protruding from the mounting surface, there is a possibility of damaging the sides of the product, and the mounting surface requires a gap for the protrusions to move. Due to this gap, there is a possibility that the product cannot be held properly, and furthermore, since the range of movement of the protrusion is restricted, there is a problem that the product cannot be completely removed.

The present invention has been made in view of these points, and is suitable for long length items and is capable of easily adapting to differences in the length of the items. There is a type of equipment C that aims to reduce the possibility of damage to items by υ1, stably support and transport the items, and completely carry out the removal of the items to ensure proper sorting. .

[Structure of the invention]

(Means for Solving the Problems) The conveying and sorting device of the present invention has a pair of endless chains 12 on both sides wound in parallel around sprockets 26 on both sides, and a large number of chains 12 on both sides. Both ends of the slat frame 1 are attached, and a slider 3 movable in the direction of the flat frame 10 intersecting the moving direction of the chain 12 is installed at the bottom of the frame 1 to the slat 1 (
One or more fixed rollers/lI are provided at both ends of the slat room 1, and the slider 3 is
Two or more moving rollers 5 are arranged at the top of the ten slats 1 to the frame 1 so as to intersect with the moving direction of the chain 12.
A middle portion of a support bell 1-6 is provided, and both ends of the support bell 1-6 are connected to the fixed roller 4 of the slat frame 1 and the moving roller 5 of the slider 3, respectively. After hanging around the intersection H in a folded manner, it is fixed to both ends of the slat frame 1 or the slider 3, and the engaging bodies 7 and 8 are provided at the 1 part of the slider 3, and the engaging bodies 7 and 8 are An actuating means 9 is provided between the chains 12 on both sides, which moves in a direction intersecting the direction of movement of the chains 12 as the chains 12 on both sides move.

(Function) The conveying and sorting apparatus of the present invention drives the support belt 6 by moving the slider 3 via the engaging body 7.8 with the actuating means 9 as the chain 12 moves, and at this time,
By wrapping the support belt 6 in a folded manner, the middle part of the support belt 6, that is, the part that supports the article W, is attached to the slider 3.
It is possible to move by an integer multiple (2 times, 3 times...) of the movement stroke.

(Embodiment) An embodiment of the conveying and sorting apparatus of the present invention will be described with reference to the drawings.

First, the principle will be explained with reference to FIGS. 1 and 2, and then the details will be explained.

Reference numeral 1 denotes a slat frame that is elongated in the left and right directions in the figure, and this slat frame 1 is designed to move in the front and back directions in the figure along a circulation path 2 that will be described later. A slider 3 is provided which is movable toward both ends of the slat frame 1 on the left and right sides in the figure, which intersect with the direction.

At least one fixed roller 4, one roller in the example of FIG. 1, and two fixed rollers 4 in the example of FIG. 2, are arranged parallel to each other on both ends of the slat frame 1.
In addition to being a pivot support, the slider 3 has two or more
In the example of FIG. 1 and the example of FIG. 2, two moving rollers 5 are both supported by shafts.

Then, on the upper part of the frame 1 to the above-mentioned slat 1, intermediate parts of support bells 1 to 6, which are made of flat belts having a conveyance direction of left and right as shown in the figure, which intersect with the moving direction of the slat frame 1, are arranged. , the both ends of this support belt 6 are connected to the fixed rollers 4 at both ends and this fixed roller 4, respectively.
After being hung in a folded manner alternately around the intermediate moving rollers 5 corresponding to the sliders 5 and 5, the slides are fixed to both ends of the slide 1 to the frame 1 in the example of FIG. 1, and to the slider 3 in the example of FIG. .

In this configuration, the slider 3 is, for example,
The roller 7 that is pivotally supported at the lower part of the lower part or an engaging body such as a pin 8 that is protruded from the lower part of the lower part by pivoting this roller 7 is connected to the circulation path 2.
When the fixed roller 4 acts like a fixed pulley and the movable roller 5 acts like a movable pulley, when the fixed roller 4 acts like a fixed pulley and the movable roller 5 acts like a movable pulley, the slat frame The middle part of the support belt 6 on the top of the slider 1 is moved in the direction opposite to the moving direction of the slider 3.
An integral multiple of the movement stroke S of the slider 3, double the stroke 2S in the example of FIG. 1, and three times the stroke S in the example of FIG.
〇-ku 3S move.

Therefore, when an article W is supported on the middle part of the support belt 6 on the upper part of the slat frame 1, the article W can be conveyed and covered along the circulation path 2 by the movement of the slat frame 1. can be carried out to the side of the circulation path 2 along which the slat frame 1 is moved by the movement of the slider 3.

In the example of FIG. 1, with the slider 3 positioned at one end of the slat 1 to the frame 1 as shown in (A), the support belt 6 on the upper part of the slat frame 1 is attached to the middle part of the support belt 6. While supporting the item W, from the state not shown in (A), (B
), as shown in (C), the slider 3
By moving the item W within the slat frame 1 to the other end, the article W can be completely carried out to one end.

In the example shown in Fig. 1, the fixed rollers 4 on both sides of the slat room 1 are 4 in total, 2 on each side, and the moving rollers 5 of the slider 3 are the same 4, arranged above and below and attached to the support bell 1. 6, the support bell 1-6 at the top of the slat frame 1
If the middle part of the support bell 1 moves by 4 times the stroke of slider 3, and if each roller 1°5 is increased in the same way, the middle part of support bell 1 moves by an even multiple of 6 times, 8 times, etc. of the stroke of slider 3. Moving.

In addition, in the example of FIG. 2, as shown in (A),

With the rider 3 positioned at the center of the slat frame 1, the article W is supported on the middle part of the support belt 6 of the slat frame 1, and from this state shown in (A), as shown in (B), When the slider 3 is moved to the left end within the slat frame 1, the item W can be completely carried out to the right end, and conversely, the slider 3 is moved from the state shown in (A) to the state shown in (C). By moving to the right end within the slat frames 1a, Ib, the article W can be completely carried out to the left end.

In addition, in the example of FIG. 2, the slat frame 1a.

The fixed rollers 4 at both ends of the slider 1b are 3 on each side, 6 in total, and the moving rollers 5 of the slider 3 are 2 water buffalo and 4 wood, and when they are placed above and below and the support belt 6 is wrapped around them, the slat frame 1a,
The middle part of the support belt 6 at the top of Ib is the slider 3
If you move the stroke 5 times that of the slider 3 and increase each roller 4 and 5 in the same way, the middle part of the support bell 1-6 will be 7 times that of the slider 3,
Move the stroke by an odd number of times 9 times...

FIGS. 3 to 6 show details of the slat frame 1 of the three-fold stout-loaf type shown in FIG. 2.

The slat frame 1 consists of a frame member 11 having a U-shaped cross section with a lower part and both ends opened. 1. The slider 3 has a U-shaped cross section with its lower part and both ends open, contrary to the frame member 11. The slat frame 1 is engaged with a pair of guide rail portions 16 provided on the inner side of the frame member 11 via a plurality of bearing balls 17, thereby being supported movably at right angles to the moving direction of the slat frame 1. There is.

The fixed roller 4 is pivotally supported by brackets 20 placed at both ends of the frame material 11, and the intermediate portion of the support belt 6, that is, the portion that supports the article W, is attached to the frame material 11. supported at the top.

Further, the lower part as the engaging body is provided at the lower part of the slider 3 and is pivotally supported by the lower end of the protrusion 23 via the pin 8 as the engaging body, and the roller 7 and pin 8 are It protrudes below the frame 4111.

7 and 8 show the circulation path 2 along which the slat frame 1 moves.

The circulation path 2 is made up of a pair of endless chains 12 on both sides, which are wound in parallel around sprockets 26 at the front and back on both sides, and is formed in an endless shape. Both ends of a large number of slat frames 1 are attached in parallel with each other in close contact with each other, and a pair of chains 12 on both sides are synchronously driven by a sprocket 26 on the right side in the figure. The slat frame 1 together with the chain 12 is the eighth
In the figure, it moves circularly in the direction of the lesson.

In the upper horizontally moving portion of the circulation path 2, an actuating means 9 is provided which moves the rollers 7 and pins 8 below the slider 3 of the slat frame 1 sideways to drive the support belt 6.

This actuating means 9 is composed of a movable switching guide 29 that rotates horizontally with a machine cylinder around an axis (not shown), a fixed switching guide 30, a fixed switching rail 31, etc. At the time of operation, the movable switching guide 29 is rotated in the cutting direction or counterclockwise from the state shown in FIG. ] The lower pin 8 was moved between the grooves 29a of the movable switching guide 29 and the pin 8, and the subsequent pair of grooves 30a on both sides of the fixed switching guide 30. Due to the engagement of the pin 8 with the fixed switching rail 31 and the roller 7, the support belt 6 moves between the guide rails 33 on one side or the other side of the circulation path 2. The groove 29a of the movable switching guide 29 can be driven toward the other side or one side of the circulation path 2, and when the movable switching guide 29 is not in operation, the groove 29a of the movable switching guide 29 can be driven toward the center of the fixed switching guide 30. 30b, thereby removing the rollers 7 and pins 8 that were moving between the guide rails 32.
is successively moved as it is between the guide rails 32, and 6 is not driven to the support bell 1.

Then, this conveyance sorting is carried out by moving a large number of slat frames 1 together with the chains 12 on both sides along the circulation path 2 in the counterclockwise direction 1 in FIG. 8, and in this state,
An article W is placed on top of a plurality of moving slat frames 1, and this article W is supported by the intermediate part of the support belt 6 of a plurality of slat frames 1, and as the slat frame 1 moves, the article W is moved to the right in FIG. Transport to the direction.

Then, when the actuating means 9 is actuated, the slat frame 1
The support belt 6 is driven, and the article W on the support belt 6 can be carried out to one side or the other side of the circulation path 2, and if the actuation means 9 is not actuated, the article W on the support belt 6 can be carried out to one side or the other side of the circulation path 2. The slat frame 1 is not driven and the article W can be transported as it is. 1. Therefore, the articles W carried onto the support belt 6 of the slat frame 1 can be carried out laterally and sorted by type or destination.

Note that the lower part of the slider 3 of the slat frame 1 and the pin 8 are returned to the center of the circulation path 2 by an actuator (not shown) while moving in the lower horizontal movement part of the circulation v82. .

Further, in this embodiment, the lever 17 and the pin 8 are used as the engaging body, and correspondingly, the actuating means 9 first includes:
The switching guide 29 and the small-diameter pin 8 are engaged, and this is because the small-diameter pin 8 causes less shock at the start of operation than the large-diameter roller 7, and can move quickly. After the operation is started by the small diameter pin 8 and at other positions, the switching rail 31 and the guide rails 32 and 33 are engaged with the rotatable rollers 7, thereby preventing the generation of noise.

Further, in the actuating means 9, a movable switching guide 29
In addition to the fixed switching guide 30 and switching rail 31
Since the movable switching guide 2)) was shortened using
As soon as the switch passes through the movable switching guide 29, the switching guide 29 can be returned to its original position to handle the next operation.

〔Effect of the invention〕

As described above, according to the present invention, a support belt having a conveyance direction that intersects with the moving direction of the slat frames is provided on a large number of slat frames that circulate together with the chain, and this support belt is attached to the @ ring road. Since it is driven by the provided actuating means, it is possible to transport and sort the items, and it is possible to support the items across multiple slat frames, making it suitable for long items and Differences in length can be easily accommodated, and since the product is carried out by driving the support belt that supports the product without bumping, there is no risk of damage to the product. Since gaps can be eliminated, the item can be stably supported and transported, and the drive stroke of the support belt can be sufficient, so the item can be completely unloaded and transported. Sorting [Can be done.

[Brief explanation of the drawing]

The figure shows an embodiment of the conveying and sorting device of the present invention, FIGS. 1 and 2 are explanatory diagrams of the sorting principle, and FIGS. 3 to 6 are longitudinal sectional views and side views of the slat frame. , a vertical sectional view and an enlarged side view with a part cut away, and FIGS. 7 and 8 are a plan view and a side view of the circulation path. 1. Slat frame, 3. Slider, 4. Fixed roller. , 5... Moving roller, 6... Support belt, 7... Mouth as engaging body, 8... Pin as engaging body, 9... Operating means, 12... Chain, 26... Sprocket. Dimensions r) 'O

Claims (1)

[Claims] (1) A pair of endless chains on both sides are hung in parallel around the front and rear sprockets on both sides, and both ends of multiple slat frames are attached to the chains on both sides, and the lower part of the slat frame intersects with the moving direction of the chains. A slider is provided that can move toward both ends of the slat frame.
One or more fixed rollers are disposed on each end of the slat frame, two or more moving rollers are disposed on the slider, and the conveyance intersecting with the moving direction of the chain is provided on the upper part of the slat frame. A middle part of a support belt with directionality is arranged, and both ends of this support belt are
Each of them is wound around the fixed roller of the slat frame and the moving roller of the slider alternately in a folded manner, and then fixed to both ends of the slat frame or the slider, and an engaging body is provided at the lower part of the slider, A conveying and sorting device characterized in that an actuating means is provided between the chains on both sides to move the engaging body in a direction intersecting the direction of movement of the chains as the chains on both sides move.