JPH07285654A - Collecting carrier device of article - Google Patents

Abstract

PURPOSE:To carry out high speed carrier treatment by respectively independent ly driving a pair of endless chains arranged in the article carrying direction. CONSTITUTION:Articles 12 supplied from a preceding process are sequentially received by a holding member 52a (54a) facing against the article carrying direction and the holding member 52a (54a) is moved to a discharge position of the articles 12 at speed higher than moving speed at the time of receiving the articles 12 by advancing the articles 12 by way of independently driving an endless chain 28 (30) as well as making the holding member 52a (54a) of one of the endless chains 28 (30) arranged in parallel face against a receiving position of the articles 12. In addition, while the holding member 52a (54a) of one of the chains 28 (30) is moved to the discharge position, the holding member 54a (52a) of the other of the endless chains 30 (28) faces against the receiving position and advances by being independently driven, the articles 12 sequentially supplied to the holding members 54a (52a) are incessantly received. Consequently, it is possible to simultaneously carry out discharge work and receiving work of the articles.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention collects bagging articles or the like supplied at predetermined intervals, and collectively discharges the grouped articles in a predetermined number unit toward the next step of a boxing machine or the like. The present invention relates to a collective conveying device for articles.

[0002]

2. Description of the Related Art A bag-filled article supplied at a predetermined interval is received in an upright state, conveyed to an ejection position, and the articles gathered in the upright state at the ejection position are kept in an upright state for a predetermined period of time. 2. Description of the Related Art For example, an automatic collecting device disclosed in Japanese Patent Laid-Open No. 2-127224 exists as a device for discharging a number of units toward a boxing machine or the like. In this device, a large number of holding plates are erected at predetermined intervals in the traveling direction on the outer surface of the upright conveyer, and articles supplied at predetermined intervals by a belt conveyor arranged on the upstream side are opposed to each other in the traveling direction. The holding plates are held in an upright state and conveyed. Then, when a predetermined number of articles have gathered at a predetermined discharge position, the standing conveyance conveyor is stopped, and
By operating a comb-shaped pusher provided on the side of the conveyor, a predetermined number of articles are collectively discharged to the outside of the conveyor.

[0003]

In the collecting apparatus according to the above-mentioned prior art, when the articles are discharged from the upright conveyer, the comb-shaped pushers come into contact with the holding plate and smooth discharge cannot be achieved. To prevent this, the conveyor is stopped at a position where the holding plate and the pusher do not interfere with each other when a predetermined number of articles arrive at the discharge position. Therefore, while the pusher is operating, the supply of the articles from the belt conveyor to the upright conveyance conveyor is interrupted, so that the high-speed conveyance processing of the articles cannot be performed and the work efficiency cannot be improved. was there.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems inherent in the above-mentioned prior art, and has been proposed to suitably solve the problems. It is an object of the present invention to provide a collective conveying device that can receive the above articles and achieve high-speed conveying processing of the articles.

[0005]

[Means for Solving the Problems] Overcoming the above-mentioned problems,
In order to achieve the intended purpose, the collective conveying apparatus for articles according to the present invention receives a predetermined number of articles supplied from the previous process at a receiving position, and the predetermined number of articles is downstream on the same conveying path as the receiving position. A device for transporting to a discharge position provided at a predetermined distance on the side, and a pair of endless transport means arranged in parallel to the transport direction of the article, and a servo for independently driving each of the endless transport means. A driving means provided with a motor; and a control means for controlling the driving means, wherein the endless conveying means are arranged in parallel on both sides of the conveyance center of the article and extend parallel to the conveyance direction of the article. One pair of endless cords constitutes one endless conveying means, and another pair of endless cords arranged in parallel close to the pair of endless cords constitutes the other endless conveying means. And said one The endless cords constituting the endless conveying means and the endless cords constituting the other endless conveying means are alternately arranged in a direction intersecting the conveying direction, and between the pair of endless cords, Holding means consisting of a plurality of holding portions which extend beyond the conveyance center to the other endless conveying means side and are provided at intervals capable of receiving articles are provided at predetermined intervals, and the one endless conveying means is also provided. And the holding means arranged in the other endless conveying means are alternately positioned in the article conveying direction, and the holding means provided in one endless conveying means is the one for receiving the article. After receiving a predetermined number of articles at the position, when the article is conveyed to the discharge position by moving at a speed faster than the speed at which the endless conveying means moves forward when receiving the article, the other endless conveying means The holding means is for receiving the article. To continue before without interruption sequentially acceptance of the supplied articles from the step faces the location, characterized in that so as to control by the control means the driving means.

[0006]

With the holding means of one of the endless conveying means arranged in parallel facing the article receiving position and the conveying means being independently driven to move forward, the articles fed from the previous step are conveyed. Receiving means are successively received by holding means facing each other. When a predetermined number of articles are received by the holding means of one of the endless conveying means, the holding means is moved to the article discharge position at a speed higher than the moving speed at the time of receiving the articles. While the holding means of one of the endless conveying means is moved to the discharge position, the holding means of the other endless conveying means faces the receiving position and is independently driven to move forward so that the holding means is sequentially supplied from the preceding step. Goods are accepted without interruption.

[0007]

EXAMPLES Next, a collective conveying apparatus for articles according to the present invention will be described below with reference to preferred examples.

FIG. 1 is a side view showing a schematic structure of a collective conveying apparatus 10 according to an embodiment.
A pair of machine frames 14, 14 spaced apart by a predetermined distance in a direction intersecting the transport direction of 2 are provided in parallel (only a part is shown in FIG. 2), and the first drive shaft 22 is provided at an appropriate position of the machine frames 14, 14. It is installed. As shown in FIG. 2, the first drive shaft 22 has one shaft end side (an end side where a toothed pulley 32 described later is disposed).
The first drive sprocket 24, the second drive sprocket 26, the first drive sprocket 24, and the second drive sprocket 26 are arranged at required intervals in this order. Further, the driven shaft 16 is rotatably supported at a position spaced a predetermined distance upstream from the position where the first drive shaft 22 is disposed in the machine frames 14 and 14, and the first driven shaft 16 has a first shaft. Drive shaft 2
The driven sprockets 18, 20, 18, 20 are arranged in the same manner as the drive sprockets 24, 26, 24, 26 arranged in FIG.
Is provided. That is, the first driven sprocket 18, the second driven sprocket 20, the first driven sprocket 18, and the second driven sprocket 20 are arranged at required intervals in this order from one shaft end side of the driven shaft 16.

Each pair of first drive sprockets 24
And a first driven sprocket 18, a first endless chain 28 is respectively wound, and a second endless chain 30 is respectively wound between each second drive sprocket 26 and the second driven sprocket 20. ing. That is, the first endless chain 28 and the second endless chain 30 which are parallel to the conveyance direction are arranged in parallel on both sides of the center of article conveyance, and the pair of first endless chains 28, 28 is formed. The second endless chains 30, 30 that are located inside and outside of the center of conveyance and are paired with each other are located inside and outside of the center of conveyance.

The first drive sprockets 24,
24 is rotatably arranged integrally with the first drive shaft 22, but both the second drive sprockets 26, 26 are
The first endless chains 28, 28 and the second endless chains 30, 30 are independently rotatably disposed with respect to the second unit 2 and are configured so that they can be independently driven to travel.

As shown in FIG. 2, a toothed pulley 32 is integrally rotatably disposed at one end of the first drive shaft 22 projecting outward of the machine frame 14, and the toothed pulley 32 is integrally rotatable.
And a toothed belt 38 is wound between the toothed pulley 36 of the first servomotor 34 arranged at an appropriate fixed position (see FIG. 1). Therefore, by driving the first servo motor 34, the first drive shaft 22 and the first drive sprockets 24, 24 rotate integrally, and the first endless chains 28, 28 run.

A second drive shaft 40 is rotatably supported by the machine casings 14 and 14 in the vicinity of the first drive shaft 22. The drive shaft 40 has the second drive shaft 40 as shown in FIG. Gears 42 that mesh with a gear 26a formed integrally with the drive sprocket 26 are arranged so as to be integrally rotatable. Further, a toothed pulley 44 is disposed at one end of the second drive shaft 40 projecting outward of the machine frame 14. As shown in FIG. 1, the toothed pulley 44 is disposed at an appropriate fixed position with the toothed pulley 44. A toothed belt 50 is provided between the servo motor 46 and the toothed pulley 48.
Is wrapped around. Therefore, by driving the second servo motor 46, the second drive shaft 40 and the second drive sprockets 26, 26 rotate, and the second endless chain 3
0,30 runs. However, the second drive sprocket 26,
Since the second drive sprocket 26, 26 is arranged so as to be freely rotatable with respect to the first drive shaft 22,
It can rotate independently of the rotation of the drive shaft 22. That is, the pair of first endless chains 28, 28 arranged inside and outside of the conveyance center of the article 12 and the pair of second endless chains arranged inside and outside of the conveyance center. 30, 30
Are driven and driven independently by the first servo motor 34 and the second servo motor 46, respectively. The operation of the both servo motors 34 and 46 is controlled by the control means 70.

The first endless chains 28, 28 have a plurality of front surface sides (conveying surface sides) spaced apart by a predetermined distance in the traveling direction.
The first holding member group 52 (two sets in the embodiment) is arranged, and the holding member group 52 is composed of a plurality of holding members 52a that are installed between the endless chains 28, 28 via brackets 64, 64.
(See FIG. 3). Similarly, on the front surface side of the second endless chains 30, 30, a plurality of holding members 5 are installed between the chains 30, 30 via brackets 66, 66.
A plurality of second holding member groups 54 composed of 4a (see FIG. 3) are arranged at predetermined intervals in the traveling direction. A first endless chain 28 and a second endless chain 3 located inside the transport center.
As shown in FIG. 4, a support plate 68 that functions to support the lower end of the article 12 is horizontally disposed at a position facing between 0, and the holding members 52a and 54a are located above the support plate 68. It is designed to move without contact. This support plate 6
As shown in FIG. 1, the reference numeral 8 extends from the article receiving position to the article discharging position, and holds the articles 12 supplied from a supply conveyor 56, which will be described later, and transferred and placed on the supporting plate 68. It is configured to be pushed by 54a.
The holding members 52a, 52a and the holding members 54a, 5
The interval of 4a is for the articles 1 supplied from the supply conveyor 56.
2 is set to a size capable of holding 2 in an upright state.

As in the embodiment, the holding member 52a is installed between the first endless chains 28 arranged inside and outside the center of conveyance of the article 12, and at the same time outside the center of conveyance.
A holding member 5 between the second endless chains 30 and 30 disposed inside
By arranging the 4a, it is possible to stably push the article 12 on the support plate 68 even if the article 12 has a large dimension in the direction intersecting the transport direction. Also, the holding members 52a, 54
a can have the same shape and size,
As can be seen from FIG. 3, both members 52a and 54a can be used only by reversing the front and back in the carrying direction. Therefore, the types of parts can be reduced and the cost can be kept low.

As shown in FIG. 1, the first holding member groups 52 and the second holding member groups 54 are set so as to be alternately positioned in the article conveying direction, and the first holding member groups 52, 52 are also arranged.
And the interval between the second holding member groups 54, 54 is such that when the second holding member group 54 moves to the discharge position of the article 12 and is decelerated or stopped to discharge the article 12, The group 52 faces the receiving position of the article 12 and is set at an interval that allows the forward movement for receiving the article 12 between the holding members 52a, 52a. As a result, a predetermined number of articles 12 can be discharged toward the boxing machine or the like without interrupting the acceptance of the articles 12 from the supply conveyor 56.

On the upstream side of the transfer device 10, the article 12
Are arranged in series, and their downstream ends face above the upstream end of the transfer device 10. Then, the articles 12 conveyed by the supply conveyor 56 fall from the downstream end of the conveyor 56 and are received by the first holding member group 52 or the second holding member group 54 in an upright state.

Here, since the articles 12 are supplied from the supply conveyor 56 to the transfer device 10 at predetermined intervals,
The article 1 is attached to the first holding member group 52 of the endless chain 28, 28.
When receiving 2, the article 12 is controlled by the control means 70.
Of the first servo motor 34
Are driven intermittently, and the first endless chains 28, 28 are set so that the holding members 52a, 52a opposed to each other move forward intermittently at a pitch sequentially facing the article receiving position. Also the first
When a predetermined number of articles 12 are received by the holding member group 52,
By driving the first servo motor 34, the first endless chain 2
The control is performed such that the first holding member group 52 is moved to the discharge position of the article 12 at a stretch by stopping the movement of the first and second holding members 8 and 28 at a predetermined speed. The same control is performed by the control means 70 also in the second servo motor 46. Then, the endless chains 28, 28, 30, 30 are driven by the servomotors 34, 46 to drive,
Accurate and good transportation of the article 12 can be performed.

As shown in FIG. 1, an air cylinder 5 is provided beside the discharge position provided at a predetermined position of the transfer device 10.
A pusher 60 which is movable forward and backward in a direction intersecting with the article transport direction is provided by 8. This pusher 60
Is an endless chain 28, 28 (30, 30) as shown in FIG.
The article 12 formed in a comb-teeth shape corresponding to the interval between the holding members 52a, 52a (54a, 54a) arranged in the above, and held by the holding member group 52 (54) by the pusher 60 is pushed out of the machine. At this time, the holding member 52a (54a) and the pusher 60 are set so as not to interfere with each other.

[0019]

Operation of the Embodiment Next, the operation of the collective conveying device according to the embodiment will be described below. For convenience of explanation, FIGS.
In FIG. 9, the second holding member group 54 arranged in the second endless chains 30, 30 is hatched to indicate the first holding member group 52 arranged in the first endless chains 28, 28. Differentiated. Further, the articles 12 are supplied from the supply conveyor 56 at a rate of 120 pieces / minute, and the holding member groups 52,
It is assumed that 10 articles 12 are collected in 54.

The first endless chain 28 of the transfer device 10,
The first holding member group 52 in 28 is connected to the supply conveyor 56.
The chain 28 is moved toward the receiving position of the article 12 from, and the chain 28 is intermittently advanced at the article supply timing. The articles 12 supplied from the supply conveyor 56 at predetermined intervals are the holding members 52a, 5 of the first holding member group 52.
It is dropped between 2a, and its lower end is held in an upright state in which it abuts against the support plate 68. And the goods 12 are supplied 0.5
Every second, the first endless chain 28, 28 causes the holding member 52a, 5
It moves forward intermittently at a pitch of 2a. Further, when a predetermined number of articles 12 are supplied to the first holding member group 52 arranged in the first endless chains 28, 28, the second holding member group in the second endless chains 30, 30 arranged subsequently. The leading holding member 54a of 54 is moved forward so as to face the rear portion of the first holding member group 52 at a predetermined interval. First endless chain 2
After the ten articles 12 are supplied to the first holding member group 52 provided on the Nos. 8 and 28, the second endless chain 3 continues.
The second holding member group 54 provided at 0, 30 advances forward intermittently facing the article receiving position, so that the articles 12 are received between the holding members 54a, 54a without interruption (see FIG. 5). .

One second after the state shown in FIG. 5, as shown in FIG. 6, the first endless chains 28, 28 are moved forward by the first servomotor 34 at a predetermined speed (speed higher than the speed at which the articles are received). The first holding member group 52 is driven, and the first holding member group 52 is stopped by detecting that the first holding member group 52 has arrived at the discharge position by a detection means (not shown) (such as an optical sensor or an encoder). 52 is positioned at the discharge position. At this time, the second endless chain 30, 30
Becomes a state in which three articles 12 are received in an upright state between the holding members 54a, 54a in the second holding member group 54 in a timely manner in synchronism with the article supply timing from the supply conveyor 12. .

Next, the air cylinder 58 is urged to move the pusher 60 toward the conveying device 10,
1 held by the first holding member group 52 facing the discharge position
Zero articles 12 are extruded out of the machine while keeping the standing state, and discharged toward a processing machine (not shown) such as a boxing machine. Further, during the article discharging operation of the pusher 60, the articles 12 supplied from the supply conveyor 56 are successively received by the second holding member group 54, and after one second from the state shown in FIG. As shown, seven articles 12 are ready to be received by the holding member group 54. Further, while the pusher 60 is retracting from the transport section of the transport apparatus 10 (1 second after the state of FIG. 7), as shown in FIG. 8, the second holding member group 54 receives 9 articles 12. There is.

The article 12 is discharged by the pusher 60, and the pusher 60 is retracted, and the second servomotor 46 causes the second endless chains 30 and 30 to move for one second after the state shown in FIG. The arranged second holding member group 54 is intermittently advanced to supply 10 articles to the second holding member group 54 facing the article receiving position. Further, the first servomotor 34 is driven to move the first endless chains 28, 28 forward to move the first holding member group 52, which faces the discharge position, to the outside of the discharge position all at once.
The leading holding member 52a of the other first holding member group 52 is
The article 12 is moved to a position where it faces the rear of the second holding member group 54 that receives the article 12 facing the receiving position at a predetermined interval, and the article 12 is received between the leading holding members 52a, 52a (FIG. 9). reference).

By repeating the above operation, every time 10 articles 12 are supplied to the holding member group arranged in one endless chain, the holding member group reaches a position where the holding member group faces the article discharging position. After moving forward at once, the positioning is stopped and the article 12 is discharged out of the machine by the operation of the pusher 60. Further, at this time, the articles 12 supplied from the supply conveyor are continuously received by the holding member group arranged in the other endless chain arranged subsequent to the one holding member group. That is, since the receiving work and the discharging work of the article 12 can be performed at the same time, the article 12 can be transported at a high speed.

[0025]

[Modification] The present invention is not limited to the configuration of the above-described embodiment. For example, the holding member group is provided with a holding member such as a partition bar for receiving articles one by one. It can also be suitably used when collectively conveying articles in a horizontal state. Further, the number of articles to be collectively held can be changed by appropriately changing the number of holding members constituting the holding member group. Further, in the embodiment, the holding means (holding member group) is composed of a plurality of holding members individually arranged in the conveying means, but a holding portion capable of receiving a plurality of articles is formed in a single member. May be.

In the embodiment, the endless chain is rotatably run in the vertical direction. However, the endless chain is rotatably run in the horizontal direction, and the articles supplied from above between the holding members to the discharge position. After carrying, the article group may be discharged downward by opening a shutter or the like provided at the discharge position. Further, when the article held by the holding member group is discharged, the discharging operation may be performed by operating the comb-teeth-shaped pusher while the conveying means is traveling at a slow speed. Furthermore, it is possible to transfer an article stopped or moving at a low speed at the article discharge position to another processing machine by a transfer means such as a suction conveyance device.

Further, in the embodiment, the support plate is arranged between the article receiving position and the article discharging position to support the article, but the article is formed as, for example, an L shape capable of holding the article as a holding member. If one is used, the supporting plate can be omitted.

[0028]

As described above, according to the collective conveying apparatus for articles according to the present invention, the pair of endless conveying means arranged in parallel with the article conveying direction can be independently driven, thereby While the article group held by the holding member group of the endless conveying means is conveyed to the discharge position, the succeeding article can be received by the holding member group of the other endless conveying means. That is, the work of discharging the article and the work of receiving the article can be performed at the same time, the high-speed transportation process of the article becomes possible, and the work efficiency can be improved.

Further, since the holding means is provided between the pair of endless cords and the holding means is set to extend beyond the carrying center toward the other endless carrying means, the holding means is arranged in the direction intersecting the carrying direction. Even an article having a large size can be transported while being stably supported. Further, the holding means arranged in the two sets of endless conveying means can be used in common, so that the kinds of parts can be reduced and the manufacturing cost can be kept low.

[Brief description of drawings]

FIG. 1 is a schematic side view of a collective conveyance device according to an embodiment.

FIG. 2 is a cross-sectional view of essential parts showing a drive unit of the collective transport device according to the embodiment.

FIG. 3 is a main part schematic perspective view showing a carrying section of the collective carrying apparatus according to the embodiment.

FIG. 4 is a cross-sectional view of essential parts showing a carrying section of the collective carrying apparatus according to the embodiment.

FIG. 5 is an explanatory diagram showing a step of collecting and conveying articles by the collecting and conveying apparatus according to the embodiment.

FIG. 6 is an explanatory diagram showing a step of collecting and conveying articles by the collective conveying apparatus according to the embodiment.

FIG. 7 is an explanatory diagram showing a step of collecting and conveying articles by the collecting and conveying apparatus according to the embodiment.

FIG. 8 is an explanatory diagram showing a step of collecting and conveying articles by the collective conveying apparatus according to the embodiment.

FIG. 9 is an explanatory diagram showing a step of collecting and conveying articles by the collective conveying apparatus according to the embodiment.

[Explanation of symbols]

 10 Collecting and Conveying Device 12 Article 22 First Drive Shaft 24 First Drive Sprocket 26 Second Drive Sprocket 28 First Endless Chain 30 Second Endless Chain 34 First Servo Motor 46 Second Servo Motor 52 First Holding Member Group 52a Holding Member 54 second holding member group 54a holding member 68 support plate 70 control means

Continuation of front page (51) Int.Cl. ⁶ Identification number Office reference number FI technical display location B65G 47/82 C 47/84 F // B65B 35/30

Claims (4)

[Claims] 1. A predetermined number of articles supplied from the preceding step are received at a receiving position, and the predetermined number of articles are conveyed to a discharging position provided at a predetermined distance downstream on the same conveying path as the receiving position. An apparatus, comprising: a pair of endless conveying means arranged in parallel with the conveying direction of the article; a driving means having a servomotor for independently driving each of the endless conveying means; and controlling the driving means. And a control means, wherein the endless conveying means is arranged in parallel on both sides of the conveyance center of the article, and one endless conveying means is constituted by a pair of endless ropes extending parallel to the conveyance direction of the article. And the other pair of endless cords arranged in parallel in close proximity to the pair of endless cords constitutes the other endless conveying means, and the one endless cord forming the one endless conveying means. And the other The endless cords constituting the endless conveying means are alternately arranged in a direction intersecting the conveying direction, and the endless cords forming each pair extend beyond the conveyance center to the other endless conveying means side. Holding means comprising a plurality of holding portions provided at intervals that allow the articles to be received are provided at predetermined intervals, and the holding means disposed on the one endless conveying means and the other endless conveying means. The holding means disposed in the means are alternately positioned in the article conveying direction, and the holding means provided in one of the endless conveying means receives the predetermined number of articles at the article receiving position, When the article is conveyed to the discharging position by moving at a speed faster than the speed at which the endless conveying means moves forward when receiving the article, the holding means of the other endless conveying means faces the article receiving position, More sequentially supplied items To continue receiving without interruption, a set transport device of the article being characterized in that so as to control by the control means the driving means. 2. The control means for controlling the drive means stops the holding means of one of the endless conveying means so as to face the discharge position, or the holding means of the other endless conveying means sequentially receives the articles. Therefore, when the articles are discharged by advancing at a speed slower than the advancing speed, the holding means of the other endless conveying means faces the article receiving position so as to receive the articles sequentially supplied from the previous process without interruption. The article collecting and conveying apparatus according to claim 1, which is controlled. 3. A support plate for supporting the article conveyed by the holding means is arranged between the endless cords facing each other with the conveyance center of the article interposed therebetween, from the article receiving position to the article discharging position. The collective conveying device for articles according to claim 1 or 2. 4. A first drive member that engages with one endless cord is integrally rotatably disposed on a drive shaft that is rotationally driven by one servomotor, and the other endless cord is attached to this drive shaft. 4. A set of articles according to claim 1, 2 or 3, wherein a second drive member that engages with is rotatably arranged, and the second drive member is rotationally driven by the other servomotor. Transport device.