JPH0350012Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a flat object conveying device for sending the flat object to a bagging process.

(Prior Art) Flat foods such as rice crackers are packaged in one or two packages to prevent moisture, and the packages are stacked in one direction and sequentially packed into large bags. In order to stack flat items such as rice crackers wrapped in this way in one direction and pack them into a large bag, it is necessary to manually collect a predetermined number of flat items that are conventionally transported by a conveyor belt. Then, the flat objects were stacked in one direction in a large bag and stuffed into the large bag one by one from the bottom upwards.

However, since the above-mentioned manual work is inefficient, automation of the packing work has been desired.

(Purpose of the invention) The present invention was made in view of the above request, and its purpose is to hold flat objects lined up in the transport direction at intervals on a transport member as part of automating the bagging work of flat objects. It is an object of the present invention to provide a conveying device for flat objects that can reliably send a predetermined number of flat objects to a bagging process and that can continuously supply the flat objects to a conveying member.

(Structure of the invention) In order to achieve the above object, the present invention has a method in which a large number of flat objects are horizontally moved and driven in the direction of transporting the flat objects to the bagging process, and are lined up and held at intervals in the front and back of the transport direction. an endless conveying member, an elevating sprocket, a driven sprocket, and an intermittently driven sprocket, which are located in the horizontally moving portion and are spaced apart from each other in the conveying direction of the conveying member and move up and down independently in sequence in the conveying direction; a transition regulating device that intermittently pauses the conveyance of a portion of the conveying member; and a predetermined number of conveyances held at the stopped portion of the conveying member in connection with the temporary stopping of a portion of the conveying member. The present invention is characterized in that a carry-out device pushes out flat objects lined up in the direction from the conveyance member to the bagging process, and a sprocket that can be independently horizontally movable is arranged behind the sprocket that is intermittently driven in the conveyance direction. It is something.

(Operation of the invention) With this configuration, a large number of flat objects are spaced apart from each other in the conveyance direction toward the flat object stacking device that is part of the bagging process. The conveyed flat objects are conveyed by an endless conveying member, and are sequentially conveyed by a sending device while intermittently stopping at a predetermined range on the conveying end side connected to the stacking device. A predetermined number of them are sent to a stacking and arranging device for bagging process.

On the other hand, since the conveying members other than those that are partially stopped are moving, the flat objects are continuously supplied to the moving conveying members.

A predetermined number of flat objects sent to the stacking and arranging device are stacked and stacked while being transported along the conveyance path, and then proceed to a large bagging process where they are packed into bags.

(Example) An example of the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2 showing a flat object conveying device, reference numerals 1 and 1 denote a pair of frames extending parallel to each other at a constant interval in the direction of conveying the flat object toward a flat object stacking device to be described later. On the opposing inner surfaces of each frame 1, a driving sprocket 2 and a driven sprocket 3 below the driving sprocket 2 are pivotally mounted on the conveyance start end side on the left side in the figure, and a driven sprocket 3 is mounted at a distance on the conveyance end side on the right side in the figure. Driven sprockets 4 and 5 are pivotally mounted at the center, and a driven sprocket 6 is further pivoted below these.

An endless traction chain 7 is stretched between the pair of drive sprockets 2 and driven sprockets 3, 4, 5, and 6, respectively, for pulling conveyance members to be described later. 2-strand traction chain 7,
7 is driven to move from the conveyance start end side toward the conveyance end side (in the direction of arrow a) by the rotation of the drive sprocket 2, while being guided by a chain guide 8 provided inwardly protruding from the inner surface of the frame 1. .

An endless conveyance member 9 extending in the same direction as the traction chain 7 is located between the two traction chains 7, 7, and is attached to each of the two traction chains 7, 7 via a plurality of attachments 10,
It is adapted to move in the direction of movement of the traction chain 7.

The conveying member 9 has a large number of partition walls 11 having an inverted V-shaped cross section in its length direction, and each partition wall 11 is provided adjacent to each other so that the V-shaped grooves face in the horizontal direction. .

A conveyance terminal end portion of a suction type conveyor 12 is disposed above the conveyance start end side of the conveyance member 9. The suction conveyor 12 has a conveyor belt 13
A large number of suction holes are formed in the conveyor belt 13 to convey the flat object A placed on the conveyor belt 13 while holding it under suction.

The drive device 14 of the traction chain 7 has a drive shaft 15 rotatably supported between a pair of frames 1, 1, a pair of drive sprockets 2, 2 are attached to this drive shaft 15, and a drive shaft 15 is attached to one of the frames 1.
A sprocket 1 is attached to the shaft of the drive shaft 15 that protrudes outward.
6 is attached, and an endless chain 19 is stretched between the sprocket 16 and a sprocket 18 attached to the rotating shaft of a motor 17. The motor 17 is attached to the frame 1. With this configuration, the rotational force of the rotating shaft of the motor 17 is transmitted to the drive shaft 15 via the sprocket 18, chain 19, and sprocket 16.
A pair of drive sprockets 2, 2 are adapted to rotate.

A delivery device 20 is provided at the end of the conveyance for pushing out a group of flat objects A located between the driven sprockets 4 and 5 onto a conveyance path of a flat object stacking device for conveying. Further, in order to smooth the extrusion of the flat object, a transfer member movement regulating device is provided which intermittently stops the range from the front side of the driven sprocket 4 to the rear side of the driven sprocket 5 for about 0.2 seconds.

The sending device 20 will be explained below. frame 1,
A rotating shaft 24 is mounted on bearings 22 and 23 installed across the
is supported, and each of the four extrusion plates 25 is attached to the rotating shaft 24 so as to be located between the partition walls 11, 11 of the portion where the conveying member 9 is temporarily stopped. The number of extrusion plates 25 can be set arbitrarily. A bevel gear 26 is attached to one end of the rotating shaft 24, and a bevel gear 28 attached to a shaft 27a extending from the rotating shaft operation control device 27 meshes with the bevel gear 26. A sprocket 29 is attached to a shaft 27b extending in the opposite direction from the rotating shaft operation control device 27, and an endless chain 32 is installed between this sprocket 29 and a sprocket 31 attached to the rotating shaft of a motor 30 attached to the frame 1. It's being passed around. This rotary shaft operation control device 27 connects and disconnects the rotary shaft 27a to the rotary shaft 27b, which is constantly rotated by the drive of the motor 30, by the action of a built-in electromagnetic clutch, etc., thereby intermittently aligning the rotary shaft 27a. I'm trying to make it rotate.

In addition, in this delivery device 20, one extrusion plate 25 is rotated separately from the other three extrusion plates 25 by a separate operating mechanism, and there are cases in which four extrusion plates 25 are rotated and cases in which three extrusion plates 25 are rotated. It may be activated separately.

The transfer member transfer regulating device includes a driven sprocket intermittent stop device 33 that intermittently stops the rotation of the pair of driven sprockets 5, 5, and a pair of traction chains 7, 7 on the front side of the pair of driven sprockets 4, 4. It is composed of an elevating sprocket lifting device 35 having elevating sprockets 34 that mesh with each other from above, and a driven sprocket horizontal moving device 36 that allows a pair of driven sprockets 6, 6 to move in the horizontal direction. .

The intermittent stop device 33 intermittently stops the rotation of the shaft 37 to which the pair of driven sprockets 5, 5 are attached in connection with the operation of the rotary shaft operation control device 27, by the action of an electromagnetic clutch or the like. In other words, the rotation of the pair of driven sprockets 5, 5 is intermittently stopped.

Lifting device 3 provided on a pair of frames 1, 1
5, shafts 38 each equipped with a lifting sprocket 34 are rotatably supported by a box-shaped bearing 39, two guide rods 40 are inserted into the bearings 39 in the vertical direction, and the upper and lower shafts of these two guide rods 40 are Two support frames 4 whose ends are attached vertically to the inner surface of the frame 1
1, 42, and the lower part 39 of the bearing 39.
A spring 43 is stretched between the support frame 42 and the support frame 42 on the lower side. In these pair of elevating devices 35, the elevating sprocket 34 that engages with the two traction chains 7, 7, respectively, becomes two when the pair of driven sprockets 5, 5 do not stop.
Since the traction chains 7, 7 of the rows are moved in a tensioned state, the traction chains 7, 7 are in a raised position against the downward pulling force of the spring 43.
does not impede the transition. Further, when the pair of driven sprockets 5, 5 are stopped due to the operation of the intermittent stop device 33, the other part of the traction chain 7 that has stopped continues to advance toward the driven sprocket 4, so that the driven sprocket 4 Although slack occurs in the traction chain 7 on the front side, the lifting sprocket 34 lowers integrally with the bearing 39, which is guided by the two guide rods 40 and lowered by the downward tensile force of the spring 43, thereby eliminating the slack. It is designed to be absorbed.

Each horizontal movement device 36 provided on the pair of frames 1, 1 has a shaft 44 equipped with a driven sprocket 6 rotatably supported by a box-shaped bearing 45, and two guide rods 46 are horizontally supported on this bearing 45. Two support frames 4 are inserted into the support frame 4 with the left and right ends of these two guide rods 46 protruding from the inner surface of the frame 1.
7 and 48, and furthermore, a spring 49 is attached around each of the two guide rods 40 between the bearing 45 and the support frame 47 on the left side in the figure, and the elastic force of the spring 49 keeps the bearing 45 In other words, the driven sprocket 6 is biased outward so that the traction chain 7 does not slacken.

In the flat object conveying device having the above configuration, a predetermined number of flat objects A pushed out by the extrusion plate 25 of the sending device 20 are placed between the driven sprockets 4 and 5 at the end of the conveyance, as shown in FIG. acceptance,
In addition, a stacking and arranging device 50 for stacking and arranging the sheets while transporting them will be provided. This stacking and arranging device 50 has a plurality of guide plates 52 arranged vertically in parallel on a flat plate 51 at intervals sufficient to guide the flat articles A, and the guide plates 52 are arranged in parallel to each other at intervals sufficient to guide the flat articles A. It has a conveyance path that is inclined in one direction toward the end of the conveyance so that the conveyance can be arranged one on top of the other. Two endless chains 53 are installed on both sides of this conveyance path, and the two endless chains 53 span between the two chains 53, 53 to apply pressure to press and transfer the flat object A in the direction of arrow b in FIG. 3 above the conveyance path. A plurality of transport rods 54 are attached at predetermined intervals.

Next, the operation of the flat object conveying device having the above configuration will be explained.

The two-thread traction chains 7, 7 circulate around the drive sprocket 2, the driven sprockets 4, 5, 6, and the driven sprocket 3 in the direction of the arrow a in FIGS. 1 and 2 by the operation of the drive device 14. are doing. At the same time, the conveying member 9 is also pulled by the two traction chains 7, 7 and moves in the same direction as the moving direction of the traction chains 7, 7. Since the conveying member 9 is horizontally moved between the sprockets 2, 5, the conveying member The distance between the partition walls 11 is constant.

In this state, a large number of flat objects A are being suctioned and conveyed in a row by the conveyor belt 13 of the suction conveyor 12 at intervals in the front and rear.
Since the conveying member 9 moves horizontally and the interval between the partition walls 11 of the conveying member is constant, the adjacent partition walls 11, 11 of the moving conveying member 9 are They will be introduced sequentially in between. Since the conveying member 9 is horizontal and the distance between the partition walls 11 is constant, the flat object A (for example, rice crackers) thrown in in this way is crushed by the partition walls 11 and does not break. Never.

The conveyance member 9, which holds the thrown flat object A upright between the partition walls 11, 11, is further pulled by two traction chains 7, 7 and moves toward the conveyance end side. Then, the group of flat objects A that has been conveyed reaches between the driven sprockets 4 and 5, and each partition wall 11 of the conveying member 9 and each guide plate 52 of the flat object stacking and arranging device 50 are aligned in a straight line. At the timing when they line up, the rotation of the pair of driven sprockets 5, 5 is temporarily stopped by the operation of the intermittent stop device 33.

At this time, slack occurs in the portion of each traction chain 7 that moves from the rear, but this slack is taken up by the lifting sprocket 34, which moves up and down independently, being pulled downward by the spring 42 and lowering the sprockets 2 and 4. The slack in the chain 7 between the sprockets 4 and 5 is absorbed, and the chain 7 between the sprockets 4 and 5 is stretched horizontally. Further, the portion of the traction chain 7 leading from each driven sprocket 5 moves the driven sprocket 6, which is independently horizontally movable, while pushing it to the left in FIGS. 1 and 2 against the elastic force of the spring 49.

Therefore, the two traction chains 7, 7 and the conveying member 9 continue to move except for the stopped portions between and around the corresponding driven sprockets 4, 5, so that the flat object A is conveyed from the suction type conveyor 12. The members 9 can be successively inserted between adjacent partition walls 11, 11.

On the other hand, as shown in FIG. 3, a predetermined number of the flat objects A among the group of stopped flat objects A are held by the conveying member 9 stretched horizontally between the sprockets 4 and 5. The stacking and arranging device 50 is controlled by the four extrusion plates 25 that are rotated by the rotation shaft operation control device 27 of the delivery device 20 that operates in connection with the stoppage.
is pushed out into the conveyance path.

In this way, the driven sprockets 4 and 5 are
The flat objects A that have been transported in between are pushed out onto the transport path of the stacking and arranging device 50.

A predetermined number of flat objects A pushed out in an upright state
is transported toward the end of transport along the guide plate 52 by the pressing transport rod 54. During this transfer, the flat objects A gradually fall down in accordance with the inclination of the guide plate 52, and are received in a stacked state in a bucket at the end of the transfer. After that, a predetermined number of flat objects A stacked one on top of the other are transported to a large bag packing process,
It will be packed in a bag.

In the above embodiment, an endless belt is used in place of the traction chain 7 as the traction device, and correspondingly, the drive sprocket 2, dependent sprockets 3, 4, 5, 6, and lifting sprocket 34 are replaced with pulleys. The conveyor member 9 may be pulled by an endless belt connected to the conveyor member 9 by a suitable attachment. Furthermore, the conveying member 9 is not limited to the illustrated example. For example, it may be a conveyance member in which a large number of plate-shaped partition walls 11 are arranged in parallel at regular intervals in the front and back.

Furthermore, in the present invention, the flat objects are conveyed by laying them down on the conveying member without making them stand up, and then a predetermined number of horizontal rows of flat objects pushed out by the stacking and arranging device are stacked and stacked while gradually standing up. You can also do this.

(Effects of the Invention) As explained above, according to the present invention, a lifting sprocket, a driven sprocket, and an intermittently driven sprocket are provided to move up and down independently in the conveying direction of the conveying member, thereby forming a transition regulating device. A sprocket that can move horizontally independently is installed on the back side of the sprocket, so the conveying member can be held horizontally and temporarily stopped, and while one part of the conveying member is temporarily stopped, other parts of the conveying member can also be stopped. You can continue the migration without any problems.
This allows the flat objects supplied from the suction conveyor to be continuously fed to the horizontally moving transport member, and prevents the supplied flat objects from being crushed between the partition walls of the transport member. In addition, the flat objects at the temporarily stopped portion can be carried out using a carry-out device, and bagging of flat objects can be completely automated. In addition, a lifting sprocket, a driven sprocket, and a sprocket that are driven intermittently are installed to move the conveying member horizontally, which independently raises and lowers them in sequence in the conveying direction of the conveying member, making the entire device compact and advantageous in terms of installation space. be effective.

[Brief explanation of the drawing]

Fig. 1 is a plan view showing one embodiment of the present invention;
This figure is a cross-sectional view taken along the - line in FIG. 1, and FIG. 3 is a perspective view showing the arrangement shown in FIG. 1, with a stacking and arranging device disposed at the end of conveyance. DESCRIPTION OF SYMBOLS 1... Frame, 7... Traction chain (traction tool), 9... Conveyance member, 11... Partition wall of conveyance member, 12... Suction type conveyor, 14... Traction chain drive device, 20... Sending device, 25
... Extrusion plate, 27 ... Rotating shaft operation control device,
{33... Intermittent stop device for driven sprocket, 3
5...Elevating device for lifting sprocket, 36...Horizontal moving device for driven sprocket} Transfer member transfer regulating device, 50... Layering device, {51... Flat plate, 52... Guide plate} Conveying path, 54... ...Press conveyance rod.

Claims (1)

[Scope of utility model registration request] An endless conveying member that holds a large number of flat objects that are driven horizontally in a direction in which the flat objects are conveyed to a bagging process, arranged at intervals in the front and back of the conveyance direction, and a portion that is driven in horizontal movement. An elevating sprocket, a driven sprocket, and an intermittently driven sprocket are provided, which are located at a distance in the transport direction of the transport member and move up and down independently in sequence with respect to the transport direction, and partially stop the transport of the transport member intermittently. and a transition regulating device that moves a predetermined number of flat objects lined up in the conveying direction held at the stopped part of the conveying member from the conveying member to the bagging process when a part of the conveying member stops temporarily. 1. A conveying device for flat objects, comprising: a pushing-out device; and a sprocket that can be independently horizontally moved behind the sprocket that is driven intermittently in the conveying direction.