JPH07187132A - Automatic collecting and supplying apparatus - Google Patents

Abstract

PURPOSE:To securely push out a predetermined number of objects to be packed while a transfer means is continuously operated, so as to reduce a size and a cost of the entire apparatus. CONSTITUTION:When a bucket conveyer carries five objects 14 to be packed to an exit, a push-out means 37 of a stack-type conveyer pushes them out. On a first half of a route for pushing the object 14 toward a packing apparatus by a push-out plate 44, a cam follower engages with a slant guide rail 63 and goes slantly while lateraily moving at the same speed toward a downstream of a transfer direction, and a comb 44a passes through bucket vertical walls 25 to discharge the object 14 onto a transfer path for supplying to the packing apparatus. A slider 47 laterally moves toward an upstream of the transfer direction of the bucket conveyer 18a and is restored to a predetermined push-out start position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic stacking and feeding apparatus used in a packaging apparatus or the like in which a plurality of articles to be packaged are packaged as a single package, and more particularly, it is arranged vertically on a conveying means. The present invention relates to an improvement of an automatic stacking / supplying device that discharges items to be packaged conveyed from the front end portion in a predetermined number in a state of being discharged laterally in the conveying direction and supplies the objects to the packaging machine or the like.

[0002]

2. Description of the Related Art Generally, an automatic stacking and feeding apparatus used in the above-mentioned packaging apparatus or the like vertically aligns the articles to be packaged on a conveyor means such as a conveyor along the direction of conveyance, and A certain number of pieces are intermittently conveyed to a carry-out port provided on the side of the conveying direction, and the objects to be packaged on the conveying path are accumulated from the front end portion while being aligned by an integer multiple of the above-mentioned certain number. In this state, it is sequentially discharged laterally and supplied to the packaging machine side.

Specifically, for example, the above-mentioned conveyor is a bucket conveyor, and this bucket conveyor stores a predetermined number of articles to be continuously conveyed from the upstream side in a bucket, and one bucket The minute is set as the minimum unit of the conveyance pitch, and intermittent driving is performed at a conveyance pitch of 2 units or more at least one conveyance opportunity. The objects to be packaged conveyed by the bucket conveyor are exposed to the carry-out port provided on the side in the conveying direction by an integral multiple of the number stored in one bucket at each conveying opportunity. Be transported intermittently.

At the carry-out port, all the objects to be packaged, which are stored in a plurality of buckets facing the carry-out port, are discharged sideways while being aligned and accumulated, and Supplying means for supplying to the carry-in end of the packaging machine provided on the side is provided.

The supply means is a transfer passage formed by linearly connecting the carry-out port of the bucket conveyor and the carry-in end of the packaging machine provided on the side thereof, and the bucket conveyer provided on the transfer passage. It comprises a feeder for pushing the above-mentioned objects to be packed and feeding them to the carry-in end of the packing machine.

The feeder comprises a transfer path connecting the carry-out port and the carry-in end of the packaging machine, and a yagura conveyor provided on the transfer path across the bucket conveyor. The yagura conveyor consists of a pair of endless chains and an extruded plate attached to the endless chains.The rotation of the endless chains causes all of the objects to be packaged stored in the plurality of buckets facing the carry-out port to be extruded from the extruded plates. It is adapted to be pushed out to the side while being locked at the lower part, and to be supplied to the carry-in end of the packaging machine.

Further, on both sides of the transfer passage, the wrapping machine side is set along the transfer passage while preventing the disorder of the plurality of objects to be packaged pushed out by the extruding plate and maintaining the aligned state. A guide plate is attached for feeding in accordance with different positions.

[0008]

By the way, in the above-mentioned conventional automatic stacking and feeding apparatus, the yagura conveyor can be moved only laterally when pushing out the articles to be packaged on the conveying means to the side. Therefore, in order to surely push a predetermined number of the articles to be packaged from the front side of the conveying means, the conveying means has to be intermittently operated.

However, if the carrying means is operated intermittently, it is necessary to secure a mechanical strength sufficient to withstand the frequent start and stop, and therefore the carrying means is not only increased in size but also intermittently. There is a problem that a drive mechanism is also required and the cost becomes high.

The present invention has been made in view of the above circumstances, and an object thereof is to reliably push out and discharge a predetermined number of articles to be packaged while continuously operating the conveying means. Therefore, it is an object of the present invention to provide an automatic integrated feeder capable of downsizing and cost reduction of the entire apparatus.

[0011]

In order to achieve the above-mentioned object, the present invention provides a yagura conveyor which is arranged across the upper part of a conveying means and is placed on the conveying means so as to extend along the conveying direction. Items to be packed that are aligned and continuously transported,
An automatic stacking / feeding device that pushes out laterally in a stacking state in which a predetermined number of sheets are aligned from the front end portion in the carrying direction and supplies the same to a carry-in end of a packaging machine, wherein the yagura conveyor is the carrying means of the carrying means. A pair of endless traction means arranged along both sides of a machine frame extending laterally, a drive means for causing the traction means to make an orbital motion, and a pair of traction means suspended between the traction means. A slide bar that is revolved together with the pulling means, a slider that is engaged with the slide bar and is slidably movable in the carrying direction of the carrying means, and a slider that is attached to the slider and is on the carrying means. An extruding plate that abuts the article to be packaged and pushes the article to the side,
And a guide rail that is attached to the slider and a guide rail that is attached to the machine frame and is engaged with the engaging element to move the slider along the transport direction of the transport means. The rail includes a positioning guide rail for guiding the extruded plate to a predetermined extrusion start position, and the extruded plate while the extruded plate abuts an object to be packaged on the conveying means and traverses the conveying means. And a guide rail for skewing, which is slantingly moved downstream in the conveying direction according to the movement amount of the means.

[0012]

According to the automatic stacking and feeding apparatus of the present invention having the above structure, the conveying means and the yagura conveyor are continuously and synchronously operated,
Each time the conveying means conveys a predetermined number of articles to be unloaded, the extrusion plate of the yagura conveyor pushes out a predetermined number of articles to the side. The engaging element of the slider to which the push-out plate is attached engages with the guide rail of the machine frame, and the slider reciprocates along the slide bar in the carrying direction of the carrying means along with the circular operation of the yagura conveyor. Here, in the outward path of pushing out the article to the packaging machine side by the push-out plate, the engaging element engages with the oblique guide rail, and the push-out plate is the same as the downstream side in the conveying direction in the section traversing the conveying means. The product is laterally moved at a speed and skewed, and the objects to be packaged are discharged in an aligned and accumulated state onto the transfer passage and then linearly supplied to the carry-in end of the packaging machine. After that, the slider moves to the return path on the upper side of the machine frame, the engaging element engages with the positioning guide rail, and the push-out plate laterally moves to the upstream side in the transfer direction of the transfer means until it returns to the outward path. Is returned to the extrusion start position.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a schematic plan view showing the overall construction of an automatic integrated feeding apparatus according to the present invention, FIG. 2 is a side view thereof, and FIG. 3 is a view taken along the line III-III in FIG. As shown in FIG. 1 to FIG. 3, the automatic stacking and feeding device 10 has a front side of the transport direction in which the articles 14 to be packaged are arranged in a column along the transport direction. A transporting means 18 for continuously transporting to the carry-out port 16 provided in the
It is roughly composed of a supply means 22 that discharges and supplies the article to be packed 14 on the conveying means 18 conveyed to the side 6 to the side of the packaging machine 20.

The conveying means 18 in the illustrated example comprises a bucket conveyor 18a and a bucket 24 forming the conveying path 12.
Are attached to the chain 26 with a certain pitch in contact with each other in the front and rear. Each bucket 24
Has an L-shaped cross section and is adapted to accommodate one packaged item 14. The bucket conveyor 18a is continuously driven by the drive device 28.

At the rear end of the bucket conveyor 18a in the carrying direction, a carrying means 30 for carrying the article to be packaged 14 into each bucket 24 is provided. The transport means 30 is continuously operated in synchronization with the transport means 18, transports the articles 14 to be packaged at a predetermined interval, and becomes a horizontal state at the carry-in end of the rear end of the bucket conveyor 18a.
The objects to be packaged 14 are successively transferred to the inside of the container 4.

The supply means 22 is interposed between the carry-out port 16 formed on the side of the carrying means 18 in the carrying direction and the carry-in end of the packaging machine 20 provided on the side thereof, and the carry-out port is provided. The transfer passage 32 is formed so as to connect the 16 and the loading end of the packaging machine 20 substantially linearly, and the yagura conveyor 34 is arranged above the transfer passage 32.

The carry-out port 16 has a front opening 7 of the bucket 24.
The supply means 22 faces the carry-out port 16 at each supply opportunity, and supplies five packaged objects 14 from the front end stored in the bucket conveyor 24. It is configured to be discharged to one side and supplied to the packaging machine 20 side.

As shown in more detail in FIGS. 4 to 6, the yagura conveyor 34 includes endless chains 42, which are endless traction means, arranged along both sides of the machine frame 35.
The endless chain 42 is composed of three pushing means 37 attached at equal intervals to the entire circumference.

The endless chain 42 is provided above the bucket conveyor 18a at a right angle to the bucket conveyor 18a. The endless chain 42 is provided on the drive side sprocket 48 provided above the carry-in end of the packaging machine 20 and above the bucket conveyor 18a. And is wound and wound between the sprocket 50 on the driven side and the sprocket 50, which is disposed on the opposite side of the packaging machine 20 in an overhanging state. The endless chain 42 is designed to be continuously rotated at a constant speed in synchronization with the operation of the bucket conveyor 18a, and while the bucket conveyor 18a continuously conveys and moves five buckets 24, it is 1 /
It is designed to rotate 3 times.

The push-out means 37 is slidably mounted on a slide bar 45 provided between the endless chains 42 on both sides.
And a slider 47 which is engaged with the slide bar 45 and is slidably movable in the carrying direction of the bucket conveyor 18a, and an extrusion plate 44 attached to the slider 47.

Both ends of the slide bar 45 are fixed to the endless chain 42 via support stays 49, and the support stays 49 are further connected to the endless chain 42 by an auxiliary arm 51 in order to stabilize the posture thereof. The auxiliary arm 51 and the support stay 49 are connected by a pin 53 (see FIGS. 7 and 8).

An extruding plate 44 is attached to the slider 47, and its tip portion is divided into five comb teeth. The comb teeth 44a are inserted between the vertical walls 25 of the L-shaped bucket 24 of the bucket conveyor 18a which is in a moving state facing the carry-out port 16, and the five comb teeth 24a to 2a.
A state in which the articles 14 are brought into contact with the articles to be packaged 4e, pushed out laterally and slid on the transfer passage 32 through the carry-out port 16 and aligned with the carry-in end of the packaging machine 20. It is designed to be supplied by.

Here, a cam follower 55 as an engaging element is attached to the slider 47, and the cam follower 55 is engaged with a guide rail 59 fixed to a crossbar 57 of the machine frame 35. This guide rail 59 connects the slider 47 to the bucket conveyor 1
8a for moving along the transport direction,
The guide rail 61 for guiding the sheet to a predetermined extrusion start position, and the extrusion plate 44 are provided on the bucket conveyor 18
The bucket conveyor 1 is brought into contact with the article to be packaged 14 on a.
A slanting guide rail 63 for moving the push-out plate 44 diagonally downstream in the conveying direction according to the movement (moving speed) of the bucket conveyor 18a while traversing over the 8a.
Consists of.

A pair of the oblique guide rails 63 are attached to the lower side of the cross bar 57, and both sides of the cam follower 55 are sandwiched between the bucket conveyor 1 and the guide rail 63.
The section extending from the 8a side to the packaging machine 20 side and crossing over the bucket conveyor 18a is the bucket conveyor 18 concerned.
In order to move the slider 47 laterally toward the downstream side in the conveyance direction of a at a speed corresponding to the conveyance speed, the slider 47 is bent and formed at an angle matching this. A pair of positioning guide rails 61 are formed on the upper side of the crossbar 57 so as to be bent and formed in the same shape so as to overlap the above-mentioned oblique guide rails 63a and 63b. Extruding means 3 which is reversed to the upper return path
Slider 47 by sandwiching both sides of 7's cam follower 55
To the upstream side of the bucket conveyor 18a in the transport direction,
The push-out plate 44 is returned to a predetermined push-out start position. Further, the driving side sprocket shaft 48a and the driven side sprocket shaft 50a are provided with a cam follower when the pushing means 37 is reversed from the lower outward path of the machine frame 35 to the upper return path or from the upper return path to the lower outward path. 55
Guide pulleys 65, 65 are provided for smoothly guiding the positioning guide rails 61a, 61b or the skew guide rails 63a, 63b.

In addition, as shown in FIGS. 9 and 10, on the transfer passage 32, the objects to be packaged 14 discharged from the bucket conveyor 18a from the carry-out port 16 to the carry-in end of the packaging machine 20 are aligned. Positioning means 50 is provided at the carry-in end of the packaging machine 20 while maintaining the position, so as to position and feed the packaging machine 20 at a predetermined position. This positioning means 5
Reference numeral 0 denotes two guide plates 52 and 54 provided along both sides of the transfer passage 32. The guide plate 52, which is located on the front side in the transport direction of the bucket conveyor 18a and is provided on the side of the transfer passage 32, is linearly arranged.

On the other hand, the guide plate 54, which is located on the rear side of the conveying means 18 in the conveying direction and is provided on the side of the transfer passage 32, is fixedly provided in the transfer passage 32, and is located at the rear of the carry-out port 16 in the conveying direction. It is formed by inclining forward from the end side toward the carry-in end side of the packaging machine 20 by the amount corresponding to the thickness of two objects 14 with respect to the width of one object 14 to be conveyed in the conveying direction of the conveying means 18. ing.

In the automatic stacking and feeding apparatus 10 of the present embodiment configured as described above, the bucket conveyor 18a and the yagura conveyor 34 are synchronously and continuously operated together, and the bucket conveyor 18a collects 15 articles 14 to be packaged. Carry-out exit 16
The endless chain 42 makes one revolution while being conveyed while facing the front end, and the three pushing means 37 attached to the endless chain 42 at equal intervals perform three pushing operations. Since the cam follower 55 attached to the slider 47 of each push-out means 37 is engaged with the guide rail 59 of the machine frame 35, the guide rail 59 is rotated along with the endless chain 42 once.
And is reciprocated in the transport direction of the bucket conveyor 18a.

That is, the cam follower 55 of the slider 47 is mounted on the lower side of the crossbar 57 and the oblique guide is provided on the outward path in which the push-out plate 44 abuts against the articles to be packaged 14 and pushes them out toward the packaging machine 20. Rail 63a,
Engaging between 63b, the slider 47 and the pushing plate 44 are moved laterally to the downstream side in the transport direction of the bucket conveyor 18a at the same transport speed as that of the bucket conveyor 18a. That is, the pushing plate 44 is moved diagonally in this section, and the five comb teeth 44a pass through them without coming into contact with the vertical walls 25 of the five buckets 24a to 24e, and the comb teeth 44a in the buckets 24a to 24e move. The five packaging objects 14a to 14e are abutted against the packaging articles 14a to 14e and reliably discharged to the lateral transfer passage 32 in a state of being vertically aligned, and then the five packaging articles 14a to 14e are collectively linearly formed. To the delivery end of the packaging machine 20 on the downstream side.

Then, the pushing means 37 is reversed by the drive side sprocket 48 and moves to the return path on the upper side of the machine frame 35, and on this return path, the cam follower 55 of the slider 47 is moved.
Is engaged between the positioning guide rails 61a and 61b,
The slider 47 and the push-out plate 44 are guided by the positioning guide rails 61a and 61b and laterally move toward the upstream side in the carrying direction of the bucket conveyor 18a until the slider 47 and the pushing plate 44 are reversed by the driven side sprocket 50 and returned to the forward path. Then, it is returned to a predetermined extrusion start position.

Therefore, as is apparent from the above description, in the above-described embodiment, even if the articles to be packaged 14 are continuously conveyed by the bucket conveyor 18a, the articles to be packaged on the bucket conveyor 18a facing the carry-out port 16 are conveyed. A certain number (five) of the articles 14 are discharged from the front end portion sideways in a vertically aligned state in a stacked state to reliably discharge the articles 14 to the wrapping machine 2 in the subsequent flow.
The reference position can be adjusted and supplied on the 0 side.

For this reason, it is not necessary to intermittently operate the bucket conveyor 18a such that the bucket conveyor 18a is repeatedly started and stopped, so that sufficient durability can be ensured even if the mechanical strength of the bucket conveyor 18a is not so large.
Not only can the bucket conveyor 18a be miniaturized, but the intermittent drive mechanism is also unnecessary, and the cost can be reduced.

In the above-described embodiment, the positioning guide rails 61 are provided in a pair, but the positioning guide rails 61 may be only the guide rails 61a on the lower side of the paper surface shown in FIG. It suffices that the cam follower 55 can be finally guided to a predetermined extrusion start position in the transport direction of the bucket conveyor 18a, so that the route in the middle thereof is not limited.

The guide rail 63 for skewing may be only the guide rail 63a on the upper side in the plane of the drawing shown in FIG. 4, and only in the section which crosses over the bucket conveyor 18a.
It suffices to linearly connect the predetermined crossing start position (extrusion start position) and the crossing end position of the push-out plate 44 corresponding to the conveying speed and incline it.

[0035]

As described above in detail in the embodiments, according to the automatic stacking and feeding apparatus of the present invention, even if the conveying means continuously conveys the objects to be packaged, the conveying means faces the outlet. Be sure to discharge the above items to the side from the front end in a stacked state with a predetermined number of them aligned vertically,
It can be supplied to the packaging machine side downstream thereof.

For this reason, it is not necessary to make the conveying means intermittently operate by repeatedly starting and stopping, so that sufficient durability can be ensured even if the mechanical strength of the conveying means is not so large, and the conveying means has a sufficient durability. Not only can the size be reduced, but the intermittent drive mechanism is also unnecessary, and the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a schematic plan view showing the overall configuration of an automatic integrated supply device according to the present invention.

FIG. 2 is a schematic side view of FIG.

FIG. 3 is a view taken along the line III-III in FIG.

FIG. 4 is a plan view of a yagura conveyor.

5 is an arrow view of a V-V line portion in FIG.

FIG. 6 is a front view of the yagura conveyor.

FIG. 7 is a side view of the pushing means.

FIG. 8 is a view taken along the line VIII-VIII in FIG.

FIG. 9 is a diagram illustrating a traversing start position when an extruding plate traverses on a conveying unit.

FIG. 10 is a diagram illustrating a traversing end position when an extruding plate traverses on a conveying unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Automatic accumulation supply device 12 Conveying path 14 Packaged goods 16 Carrying outlet 18 Continuous conveying means 20 Packing machine 34 Yagura conveyor 37 Extrusion means 42 Endless chain (pulling means) 44 Extrusion plate 44a Comb teeth 45 Slide bar 47 Slider 48a Drive side sprocket Shaft (drive means) 55 Cam follower (engager) 59 Guide rail 61 Positioning guide rail 63 Diagonal guide rail

Claims (1)

[Claims] 1. A to-be-packaged object, which is placed on the conveying means, is aligned along the conveying direction, and is continuously conveyed by a yagura conveyor arranged across the upper side of the conveying means,
An automatic stacking and feeding device that pushes out laterally in a stacking state in which a predetermined number of sheets are aligned from the front end portion in the transport direction and supplies them to the loading end of a packaging machine or the like, wherein the yagura conveyor is A pair of endless traction means arranged along both sides of the machine frame extending laterally, a drive means for rotating the traction means in an orbit, and a pair of endless traction means suspended between the pair of traction means. A slide bar that is revolved together with the pulling means, a slider that is engaged with the slide bar and is slidably movable in the carrying direction of the carrying means, and a slider that is attached to the slider and is on the carrying means. The extruded plate that abuts against the article to be packaged and pushes out the article to be laterally, the engaging element attached to the slider, the engaging element attached to the machine frame, and the engaging element is engaged with the slider. Transport of transport means A guide rail for moving along the direction, and the guide rail includes a positioning guide rail for guiding the push-out plate to a predetermined extrusion start position, and the push-out plate for the article to be packaged on the conveying means. An automatic stacking and feeding device comprising: a slanting guide rail that slidably moves the extruded plate downstream of the conveying means while abutting and traversing the conveying means. .