JPS6240250B2 - - Google Patents

Description

[Detailed description of the invention] Industrial applications The present invention relates to a case collecting device.

BACKGROUND TECHNOLOGY Conventionally, a device for collecting and arranging articles in a single line on an alignment conveyor by utilizing the difference in belt rotational speed of a plurality of lines of article transport conveyors is already known (for example, Japanese Utility Model Publication No. 11819/1983). However, conventional equipment simply arranges multiple conveyors in parallel and utilizes the difference in rotational speed between those belts. Cases interfere with each other on the conveyance path consolidated by the guide at the starting end,
The drawback was that the cases could not be aligned smoothly. In order to prevent such interference between cases, it is possible to widen the distance between multiple rows of case delivery conveyors or delay the timing of case delivery, but in the former case, the equipment is compact. However, it requires a large installation space, and the width of the alignment conveyor must be widened to compensate for the widening of the intervals between the multiple rows of case loading conveyors, resulting in very high equipment costs. In the latter case, there is a problem that the cases fed in one row on the alignment conveyor are spaced widely apart from each other, making the alignment and conveyance of the cases inefficient.

Purpose of the Invention The purpose of this invention is to solve the above problem, and even if the cases arranged in two rows each are large, the two rows of cases can be arranged without interfering with each other. We have developed a case gathering device that can arrange the cases in a single line extremely smoothly and efficiently without leaving any gaps between the front and rear cases, and is also extremely compact, requiring less installation space and reducing equipment costs. That's what we're trying to offer.

Summary of the Invention In order to achieve the above object, the present invention has two
In a case aggregation device in which a case alignment conveyor with an aggregation guide is disposed in front of a case carry-in mechanism in a row, the case carry-in mechanism includes first and second rollers arranged in parallel with a required distance from each other. a conveyor, first and second case receiving members disposed to extend these roller conveyors and close to the front end of the case alignment conveyor, and a case receiving member located near the rear end of each of these case receiving members. first and second stopper pieces that can freely protrude and retract from the upper surface of the
A rear first chain is provided with a pair of drive chains disposed on both left and right sides from the rear end of the first roller conveyor to a portion near the rear end of the first case receiving member and having a plurality of pushers at predetermined intervals. A front first chain conveyor, and a pair of drive chains arranged on both left and right sides from the rear end of the first case receiving member to the front end of the first case receiving member so as to be continuous with the rear first chain conveyor, and each having a pusher. Chien・
A conveyor and a pair of drive chains each having a plurality of pushers disposed on both left and right sides from the rear end of the second roller conveyor to the front end of the second case receiving member and arranged at predetermined intervals. The drive chain of the rear first chain conveyor and the drive chain of the front first chain conveyor have the same length capable of carrying a plurality of cases, and The drive chain of the 1-chain conveyor is the front 1st chain.
The pair of drive chains of the second chain conveyor are rotated at approximately half the speed of the drive chain of the conveyor, and the pair of drive chains of the second chain conveyor extend from the starting end of the rear first chain conveyor to the terminal end of the front first chain conveyor. The drive chain of the second chain conveyor is rotated at substantially the same speed as the drive chain of the front first chain conveyor. When the chain conveyor and the second chain conveyor are stopped and the first and second stopper pieces protrude above the upper surface of the case receiving member, the first and second roller conveyors operate to move a plurality of cases. Cases are carried one by one onto both roller conveyors to form two rows of cases on the left and right, with the frontmost case in contact with a stopper piece, and then, with the first front chain conveyor stopped, both stopper pieces After sinking below the top surface of the case receiving member, the rear first chain conveyor and the second chain conveyor, which has a chain rotation speed approximately twice that of the rear first chain conveyor, are installed.
By operating the conveyors at the same time, the right case row is transported at twice the speed of the left case row and is carried onto the case alignment conveyor first, and the left case row is transferred onto the front first chain conveyor. Then this front part 1
The gist of the present invention is a case collecting device in which a left case row is carried onto a case alignment conveyor following a right case row by operating a chain conveyor.

Embodiments Next, embodiments of the present invention will be described based on the drawings.

In this specification, the front refers to the case conveyance direction of the conveyor, and the rear and left and right are defined with the front as a reference.

In the drawings, 1 is a pedestal, and 2 and 3 are front and rear frames provided on the pedestal 1.

In the case aggregation device according to the present invention, a case alignment conveyor 4 with aggregation guides 10 and 11 is arranged in front of two rows of case carrying mechanisms.

The case carrying mechanism includes first and second roller conveyors 31 and 41 that are arranged in parallel at a required distance from each other, and a case alignment conveyor that extends these roller conveyors 31 and 41, respectively. The first and second case receiving members (slide plates) are placed close to the front end of 4.
7, 7, first and second stopper pieces 56, 57 that can freely protrude and retract from the upper surfaces of the case receiving members 7, 7 at the rear end portions of these case receiving members 7, 7, respectively; roller conveyor 31
A rear first chain 30 is provided with a pair of drive chains 30 arranged on both left and right sides from the rear end to a portion near the rear end of the first case receiving member 7 and having a plurality of pushers 28 and 29 at predetermined intervals. conveyor 5
b, and a pair of drive chains 40 which are disposed on both left and right sides from a rear end portion of the first case receiving member 7 to a front end thereof so as to be connected to the rear first chain conveyor 5b, and have pushers 19. The front first chain conveyor 5a and a plurality of pushers 38 are arranged on both left and right sides from the rear end of the second roller conveyor 41 to the front end of the second case receiving member 7 and are arranged at predetermined intervals. A second chain conveyor 6 is provided with a pair of drive chains 40 having a second chain conveyor 6.

The case alignment conveyor 4 consists of a driven roller conveyor placed horizontally on the front conveyor frame 2 and has a width in the left-right direction to allow two rows of cases C to be introduced side by side. On this alignment conveyor 4, aggregation guides 10 and 11 are arranged on both the left and right sides, and the entrance side (rear side) is provided with case C2.
Exit side (front side)
has an interval that allows one case C to pass through.

A first and a first chain conveyor 5, 6 are disposed in a rear conveyor frame 3 having the same width as the front conveyor frame 2 and in continuation with said case alignment conveyor 4. , 6 are provided with case guides 12 and 13 on both outer sides thereof. Of the first chain conveyor 5 on the left side, the front first chain conveyor 5a is
A common drive shaft 15 with the second chain conveyor 6 mounted on the front end of the rear conveyor frame 3; a common drive shaft 16 with the rear first chain conveyor 5b mounted on the left side of the middle part; A pair of left and right sprockets 17 wedged on the drive shaft 15 and the drive shaft 1
A drive chain 20 having a pair of left and right sprockets 18 pivotally connected to the drive chain 6 via bearings (not shown), a pusher 19 each suspended between both sprockets 17 and 18, and a pair of left and right case receiving members. (slide plate) 7 and a conveyor drive device 21. Further, the rear first chain conveyor 5b has a fixed shaft 22 which is common to the second chain conveyor 6 mounted on the rear end of the rear conveyor frame 3, and this shaft 2.
A pair of left and right sprockets 23 pivotally connected to
A pair of left and right sprockets 24 wedged on the drive shaft 16, a sprocket 25 wedged on the left end of the drive shaft 16, and a drive device 27 that rotationally drives the drive shaft 16 via a chain 26 or the like.
and a drive chain 30 which is hung on each of the sprockets 23, 24 and has two pushers 28, 29, and this rear first chain conveyor 5b is connected to the other conveyors 4, 5a,
It is designed to be driven at about half the speed slower than that of 6.

The second chain conveyor 6 on the right side has a pair of left and right sprockets 32 wedged on the drive shaft 15.
A pair of left and right sprockets 53 pivotally mounted to the fixed shaft 22, and a pair of left and right sprockets 36, 37 wedged to shafts 34, 35 provided directly below and parallel to both shafts 15, 22. and a pair of left and right drive chains 40, which are wound around these sprockets 32, 33, 36, and 37, and each have two pushers 38, 39. Note that the drive shaft 15 is connected to the drive device 21.
is rotated via chain 21A and sprocket 15A.

Pulley shafts 42 and 43 are mounted on the rear conveyor frame 3 directly below the front and rear ends of the first and second roller conveyors 31 and 41, and V-pulleys are mounted on both pulley shafts 42 and 43. 44～
V-belts 48 and 49, which are hooked around the V-pulleys 44 to 47,
A sprocket 50, which is in contact with the lower surface of each roller of the roller conveyors 31, 41 and wedged on the rear pulley shaft 43, is driven by a motor 51 with a cyclo reducer through a chain 52, and is connected to the first and second sprockets. Each roller of the two-roller conveyor 31, 41 is adapted to be rotated.

At the rear end of the rear conveyor frame 3, that is, on the inlet side of the case C, three lining rollers 53 are connected to the first and second roller conveyors 3.
It is pivotally mounted parallel to rollers 1 and 41.

The case stops 8, 9 are connected to the frames 31 of the first and second roller conveyors 31, 41.
A, flat arm 5 whose rear end is pivotally connected to 41A
4, 55, and stopper pieces 56, 57 fixed to the front ends of the arms 54, 55 so as to protrude upward.
and the lower end is pivotally connected to the rear conveyor frame 3, and the piston rod outer end 58 is connected to the arm 54,
These stoppers 8, 9 are located between the rear end portions of each case receiving member 7, 7 of the first and second chain conveyors 5, 6. The stopper pieces 56 and 57 are arranged parallel to each other.

Next, a case collection operation by the above device will be explained.

First, with each conveyor 4 to 6 stopped,
The pusher 19 of the front first chain conveyor 5a is located at the rear end, and the rear first chain conveyor 5b
and each pusher 28, 2 of the second chain conveyor 6.
9, 38, 39 are located at both front and rear ends, respectively, and the cylinder device 59 of the stopper 8, 9
is operated to cause the stopper pieces 56, 57 to protrude upward from the case conveyance surfaces of the slide plates 7, 7. Then, the drive device 51 of the first and second roller conveyors 31, 41 is started to rotate each roller, and three cases C1, C2, C3 and C4, C are placed on both conveyors 31, 41, respectively.
5 and C6 are sent in and temporarily stopped by the stopper pieces 56 and 57 to form two rows of cases on both the left and right sides.

Therefore, when the stopper pieces 56 and 57 are simultaneously lowered and the first and second chain conveyors 5 and 6 and the alignment conveyor 4 are started, the pushers 28 of the rear first chain conveyor 5b and the second chain conveyor 6, Cases C1 to C3 where 38 is in the right column
Then, the cases C4 to C6 in the left row are pushed, respectively, to move the two case rows forward. At this time,
Since the speed of the second chain conveyor 6 is set to approximately twice the speed of the rear first chain conveyor 5b, the cases C1 to C3 in the right row move faster than the cases C4 to C6 in the left row, When the pusher 19 of the front first chain conveyor 5a pushes the left-hand row of cases C4-C6, the right-hand row of cases C1-C3 are all on the alignment conveyor 4.
When the later cases C4 to C6 in the left row move onto the alignment conveyor 4, the earlier cases C1 to C3 in the right row are guided by the case guide 11 to the position shown by the two-dot chain line in FIG. In the end, the two rows of cases C1 to C3 and C4 to C6 are grouped into three cases and each case guide 1.
They are collected in one line and conveyed while being guided by numbers 0 and 11.

In the above, by carrying the cases C onto the first and second roller conveyors 31 and 41 in a timely manner and controlling the operation of the stoppers 8 and 9 accordingly, two rows of cases C are transported. They can be efficiently and continuously collected in one line.

Effects of the Invention As described above, the present invention provides a case aggregation device in which case alignment conveyors 4 with aggregation guides 10 and 11 are arranged in front of two rows of case carry-in mechanisms. First and second roller conveyors 31 and 41 are arranged in parallel at intervals, and a second roller conveyor is arranged to extend these roller conveyors 31 and 41, respectively, and close to the front end of the case alignment conveyor 4. 1 and 2nd case receiving members 7, 7, and first and second stopper pieces that can freely protrude and retract from the upper surfaces of case receiving members 7, 7 at respective rear end portions of these case receiving members 7, 7. 56, 57
and a first roller conveyor from the rear end of the first roller conveyor 31.
A rear first chain conveyor 5b includes a pair of drive chains 30 disposed on both left and right sides up to a rear end portion of the case receiving member 7 and having a plurality of pushers 28, 29 at predetermined intervals; A front first chain 40 is provided with a pair of drive chains 40 that are arranged on both left and right sides from a rear end portion of the first case receiving member 7 to a front end thereof so as to be continuous with the first chain conveyor 5b, and have a pusher 19. A pair of drive chains including a conveyor 5a and a plurality of pushers 38 arranged on both left and right sides from the rear end of the second roller conveyor 41 to the front end of the second case receiving member 7 and arranged at predetermined intervals. 4
0, and the driving chain 30 of the rear first chain conveyor 5b and the driving chain 20 of the front first chain conveyor 5a each have a plurality of cases C. It has approximately the same length that can be mounted, and the rear first chain
The drive chain 30 of the conveyor 5b is rotated at approximately half the speed of the drive chain 20 of the front first chain conveyor 5a, and the pair of drive chains 40 of the second chain conveyor 6 are rotated at the rear. The length is approximately the same as the length from the starting end of the first chain conveyor 5b to the end of the front first chain conveyor 5a, and the driving chain 40 of the second chain conveyor 6 is connected to the front first chain conveyor 5a. The rear first chain 20 is rotated at approximately the same speed as the drive chain 20 of the
The conveyor 5b and the second chain conveyor 6 are stopped, and the first and second stopper pieces 56,
57 protrudes upward from the upper surface of the case receiving member 7, a plurality of cases C are carried onto both roller conveyors 31, 41 by the operation of the first and second roller conveyors 31, 41,
The front case C is the stopper piece 56, 57, respectively.
Two rows of cases on the left and right are formed, and then, with the front first chain conveyor 5a stopped, both stopper pieces 56 and 57 sink below the upper surface of the case receiving member 7, and then By simultaneously operating the first chain conveyor 5b and the second chain conveyor 6, which has a chain rotation speed approximately twice that of the first chain conveyor 5b, the right case row is conveyed at twice the speed of the left case row, and the cases are conveyed at twice the speed of the left case row. The left case row is carried onto the alignment conveyor 4 first, and the left case row is transferred onto the front first chain conveyor 5a, and then this front first chain conveyor 5a is operated, so that the left case row are carried on the case alignment conveyor 4 following the row of cases on the right. Therefore, the large cases C arranged in two rows each have a plurality of large cases C, so that the cases C in the two rows do not interfere with each other. It is possible to efficiently line up multiple cases C in a line extremely smoothly and without creating any gaps between the front and rear cases C, and there is no space between the first and second chain conveyors 5 and 6. All that is required is to leave enough space between each case to allow the cases C to be placed on the conveyors 5 and 6, making it extremely compact and requiring less installation space. This has the effect of reducing equipment costs.

[Brief explanation of the drawing]

The drawings show an embodiment of the invention, with FIG. 1 being a plan view and FIG. 2 being a partially cutaway side view. 4... Case alignment conveyor, 5, 6... First and second chain conveyor, 5a... Front first chain conveyor, 5b... Rear first chain conveyor, 8, 9... Stopper, 10, 11...Aggregation guide, 19,28,29,38...Pushiya, 2
0, 30, 40... Drive chain, 31, 41...
First and second roller conveyors, 56, 57...
...stopper piece, C...case.

Claims (1)

[Claims] 1 Consolidation guide 1 in front of the two rows of case loading mechanism
In the case collection device in which the case alignment conveyor 4 with 0 and 11 is arranged, the case carrying mechanism includes first and second roller conveyors 31 and 41 arranged in parallel with a required interval from each other.
and first and second case receiving members 7, 7 arranged so as to extend these roller conveyors 31, 41 respectively and close to the front end of the case alignment conveyor 4, and these case receiving members 7, 7.
Case receiving members 7, 7 are located near the rear end of the
First and second stopper pieces 56 and 57 that can freely protrude and retract from the upper surface are arranged on both left and right sides from the rear end of the first roller conveyor 31 to the rear end of the first case receiving member 7. a rear first chain conveyor 5b equipped with a pair of drive chains 30 having a plurality of pushers 28, 29 at predetermined intervals;
A front first chain conveyor 5a is provided with a pair of drive chains 40 which are arranged on both left and right sides from a rear end portion of the first case receiving member 7 to a front end portion of the first case receiving member 7 so as to be continuous with each other, and have a pusher 19; A drive chain 40 is provided with a pair of drive chains 40 having a plurality of pushers 38 arranged on both left and right sides from the rear end of the two-roller conveyor 41 to the front end of the second case receiving member 7 and arranged at predetermined intervals. 2 chains
a drive chain 30 of the rear first chain conveyor 5b and a front first chain conveyor 6.
The drive chain 20 of the chain conveyor 5a has approximately the same length to accommodate a plurality of cases C, and the drive chain 30 of the rear first chain conveyor 5b has the same length as the drive chain 20 of the front first chain conveyor 5a. The pair of drive chains 40 of the second chain conveyor 6 move from the starting end of the rear first chain conveyor 5b to the terminal end of the front first chain conveyor 5a. It has approximately the same length as the length up to, and
The drive chain 40 of the second chain conveyor 6 is rotated at approximately the same speed as the drive chain 20 of the front first chain conveyor 5a,
The rear first chain conveyor 5b and the second chain conveyor 6 are stopped, and the first and second stopper pieces 56, 57 are moved to the case receiving member 7.
In the state of protruding upward from the upper surface, the first and second roller conveyors 31 and 41 operate to transport a plurality of cases C to both roller conveyors 3.
1 and 41, forming two rows of left and right cases in which the frontmost case C contacts the stopper pieces 56 and 57, respectively, and then, when the front first chain conveyor 5a is stopped, both stopper pieces After the pieces 56 and 57 are sunk below the upper surface of the case receiving member 7, the rear first chain conveyor 5b and the second chain conveyor 6, which has a chain rotation speed approximately twice that of the rear first chain conveyor 5b, are simultaneously operated. As a result, the right case row is transported at twice the speed of the left case row and is carried onto the case alignment conveyor 4 first, and the left case row is moved onto the front first chain conveyor 5a, Then, by operating the front first chain conveyor 5a, the left case row is conveyed onto the case alignment conveyor 4 following the right case row.