JPH10230914A - Automatic small-bag piling apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate possibility of breakage of small bags by a method wherein speed of bending and piling up of continuous small bags is increased and the continuous small bags are folded up smoothly. SOLUTION: The automatic small bag piling apparatus is equipped with a belt feeding part 18 that holds continuous small bags 12 comprising of small bags 10 connected with one another in plural numbers between opposite feeding belts 14 and 14 and moves forward the continuous small bags 12 to a mounting place 16 by forward-moving operation of the feeding belts 14 and 14, a crank part 20 that makes the belt feeding part 18 to swing and makes its front end 18a to make reciprocating motion against the mounting place, and a mounting control part 22 that operates the belt feeding part 18 and the crank part 20 in synchronous motion and mounts the continuous small bags 12 on the mounting place 16 with the continuous small bags 12 bent at connecting parts connecting the small bags 10 with one another and folded up in layers each comprising of the small bags 10 in the same number.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pouch automatic stacking apparatus for stacking continuous pouches in a state where a plurality of pouches wrapping articles such as soups and seasonings are connected in a fixed state.

[0002]

2. Description of the Related Art Generally, products are distributed and sold as single items.
Something to sell. For example, for noodle products such as udon ramen, a plurality of noodle balls are stored in a packaging bag, and a plurality of small bags containing soups and seasonings are also stored and sold.

A plurality of pouches to be stored are continuous pouches in a connected state (for example, 4 to 10 continuous pouches). It is inconvenient to store the pouches in the packaging bag when the continuous pouches are unfolded, for example, when they are unfolded. Housed in. This storage operation has conventionally been folded in by an operator.

[0004]

However, if continuous small bags were manually placed in the packaging bag, it would be an obstacle to packaging a large number of products at high speed, and there was a need for mechanization. On the other hand, as a device for bending a continuous pouch, for example, as shown in FIGS. 8A to 8C, a continuous pouch a is linearly positioned, and a connecting portion of the pouch c is connected by a pair of right and left rods b. It is conceivable that d is pushed and folded by air cylinders e and e from the left and right. However, in this device, it is difficult to increase the speed of the reciprocating operation of the air cylinder, and the operation is not smooth, so there is a risk of damage to the small bag,
In addition, there is a problem in that when the plurality of pouches c are bent, the operating stroke of the air cylinders e, e becomes longer, which further hinders speeding up.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and it is possible to increase the folding / stacking speed of continuous pouches and to fold continuous pouches with a smooth operation. It is an object of the present invention to provide an automatic pouch accumulating apparatus that is free from damage.

[0006]

The present invention has the following arrangement to solve the above-mentioned problems. The invention according to claim 1 is a position where a continuous pouch in which a plurality of pouches wrapping articles are connected is sandwiched between opposing feed belts, and the continuous pouches are placed at positions where the respective feed belts advance in the same direction. And a belt reciprocating means for reciprocating the leading end of the belt sending means with respect to the mounting position, wherein the belt sending means and the belt reciprocating means are operated synchronously. Loading control means for folding the continuous pouches at the joint between the pouches, and loading the continuous pouches on the placement site in a state where the second predetermined pouches are stacked on the first predetermined pouches; and It is a small bag automatic accumulation device characterized by having.

According to the first aspect of the present invention, on the upstream side of the belt feeding means, there is provided a conveying means for feeding a continuous small bag from the upstream side to the feeding means at a feeding speed synchronized with the belt of the feeding means. it can.

According to a second aspect of the present invention, the belt feeding means is provided with a pair of arms for circulating the feed belt, and the swing center of each arm is located on the side where the continuous pouch is fed. The automatic pouch accumulating apparatus according to claim 1.

According to a third aspect of the present invention, the belt feeding means attaches the feed belts to each other in the approaching direction so as to hold the continuous pouches at a fixed holding pressure with a separating means for preventing the opposed feed belts from approaching each other over a certain interval. The automatic pouch accumulating apparatus according to claim 1 or 2, further comprising means for energizing.

According to a fourth aspect of the present invention, the belt sending means has a pair of arm portions around which the belt is fed, and the separating means has a ball provided on one of the arm portions on the other. It comes into contact with the positioning surface,
4. The apparatus according to claim 3, wherein the urging means is a spring member.

According to a fifth aspect of the present invention, the loading control means starts the reciprocating movement of the belt feeding means from a fixed reciprocating end position regardless of the continuous number of the continuous pouches. It is an integrated device.

According to a sixth aspect of the present invention, there is provided an automatic small bag accumulating apparatus according to the first aspect, which is a conveying means for accumulating small bags on the upper surface of a conveying section (such as a conveyor) at a loading position and intermittently feeding the conveying section. It is.

According to the first aspect of the present invention, the continuous pouches are sandwiched between the opposing feed belts by the belt feeding means, and the continuous pouches are sent out to the mounting position by the advancement of each feed belt in the same direction. The tip of the belt feeding means is reciprocated with respect to the mounting position by the belt reciprocating means.
At this time, the loading control means causes the belt sending means and the belt reciprocating means to operate synchronously, whereby the continuous pouches are bent at the joint between the pouches, and the second pouches are placed on the first predetermined number of pouches. The continuous pouches are stacked on the place where the predetermined number of pouches are stacked.

Therefore, the continuous pouches are fed in the length direction by the belt feeding means and reciprocated at the leading end so that the continuous pouches are fed out and stacked in a folded state on the loading position. Therefore, compared to stopping the continuous pouches and bending them with an air cylinder, there is no stopping operation of the continuous pouches, and it is easier to increase the speed of the apparatus. In addition, since the operation is smooth, there is no possibility of damage to the pouch. It should be noted that the first predetermined number and the second predetermined number can be appropriately selected from the same number or different numbers.

In the invention according to the first aspect, on the upstream side of the belt feeding means, there is provided a conveying means for feeding continuous pouches from the upstream side to the feeding means at a feeding speed synchronized with the belt of the feeding means. Can be. Thereby, the continuous pouches can be carried into the belt feeding means smoothly in order.

According to the second aspect of the present invention, the belt feeding means is provided with a pair of arms for circulating the feed belt, and the swing center of each arm is located on the side where the continuous pouch is fed. The continuous pouch-containing side portion of the belt feeding means has a constant position, and positioning of feeding from the upstream of the continuous pouch is easy.

In the third aspect of the present invention, the belt feeding means is provided with separating means for preventing the opposing feed belts from approaching each other more than a predetermined distance, and the feed belts are moved in the approaching direction so as to pinch the continuous pouches at a predetermined holding pressure. Since the urging means is provided, the continuous pouches sandwiched between the belts are not pressed with a certain strength or more, and the pouches can be further prevented from being damaged.

According to the fourth aspect of the present invention, the belt feeding means is provided with a pair of arms around which the belt is fed, and the separating means is provided with a ball provided on one of the arms on the other. And the biasing means is a spring member, so that a simple and inexpensive configuration can be used to reliably hold the feed belts close to each other and to hold the continuous pouches at a constant pressure. Wear.

According to the fifth aspect of the present invention, the loading control means starts the reciprocating movement of the belt feeding means from a fixed reciprocating end position regardless of the number of continuous pouches. If the beginning of folding is constant and the direction of the continuous pouches is fixed and sent by the belt feeding means, the orientation of the pouches in the folded state is constant and the appearance is good in the packaging bag.

In the invention according to claim 6, the loading location is
Since the conveying means is a conveying means for accumulating the small bags on the upper surface of the conveying portion and intermittently feeding the conveying portion, when the loading of the continuous small bags is completed, the small bags can be fed and the continuous small bags can be loaded on a new loading surface.

[0021]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 to FIG. 7 are explanatory diagrams of a continuous small bag automatic stacking apparatus according to this embodiment. A continuous pouch 12 in a state in which a plurality of pouches 10 packed with articles such as soups and seasonings are connected is sandwiched between opposed feed belts 14 and 14, and each of the feed belts 14 advances in the same direction. A belt feeding section for feeding the continuous pouches 12 to the mounting location, and a crank section for reciprocating the tip end portion a with respect to the mounting location by swinging the belt feeding section; The feeding section 18 and the crank section are operated synchronously, and the continuous small pouches 12 are bent at the connecting portions of the small pouches 10, and the second predetermined pouches 12 are placed on the first predetermined pouches 12. And a loading control unit 22 for loading the continuous pouches 12 on the placement location 16 in a stacked state.

That is, as shown in FIG. 1 to FIG. 3, the automatic small bag accumulating apparatus includes a belt feeding section 18 and a crank section 2 on a front plate 24 a of a box-shaped frame 24.
0 is provided. On the upstream side of the belt feeding section 18,
A conveyor belt 26 is provided for feeding the continuous pouches 12 from the upstream side to the feeding section 18 at a feeding speed synchronized with the belt 14 of the feeding section 18.

The belt delivery section 18 is provided with a pair of arms 28, 28 around which the belt 14 circulates, and the swing center of each arm 28, 28 is set at the side of the continuous pouch 12 where the continuous pouch 12 is fed. (In the embodiment, the upper side).

More specifically, each of the arm portions 28 is provided with a lever 30 made of a long and thin plate on both sides in the width direction of the feed belt 14. For example, as shown in detail in FIGS. 4 and 5, a shaft 32 is passed through the front and rear ends of the levers 30, 30, and the shaft 32 and the levers 30, 3
By interposing the bearings 34 between the levers 30, the levers 30 are pivotally supported on the shaft 32 so as to be freely swingable. Further, a timing pulley 36 is fixed to the shaft 32 in the rotation direction, and the feed belt 14 is driven by the rotation of the shaft 32.

The shaft 32 is rotatably supported on the base front plate 24a via a bearing, and the rotation of the shaft 32 is controlled by the front plate 2a.
This is performed by driving a feed motor 38 fixed to the back side of 4a. To drive the motor 38, a timing belt 42 is stretched between a pulley (timing pulley) 38b fixed to a motor shaft 38a and pulleys 40, 40 at the upper shafts 32, 32 at the ends of the arms 28, 28. Passed, so each shaft 32,
The belt 32 is rotated in the opposite direction (the upper shaft rotates clockwise in FIG. 5 and the lower shaft 32 rotates counterclockwise in FIG. 5), and the belts 14 are fed in the continuous pouch 12 feed direction. In addition,
The timing belt 42 is connected to the upstream conveyor belt 26.
Around the shaft pulley, feed belt 14,
The feed speeds of the conveyor belt 14 and the conveyor belt 26 are made identical to synchronize. The shaft 32 is supported by a bearing 44a so as to be rotatable.
To the frame front plate 24a.

Further, the belt feeding section 18 feeds each of the continuous pouches 12 so that the continuous pouches 12 are held at a fixed holding pressure by the separation section 46 and the belts 14, 14 which do not allow the opposed feed belts 14, 14 to approach each other more than a predetermined distance. Belt 14, 1
And a spring portion 48 for urging the four in the approaching direction.

More specifically, as shown in FIG. 4, the separation portion 46 is provided with a block 50 fixed to one of the arm portions 28.
The ball 52 which is rotatably held at the other end comes into contact with the positioning surface 54a of the stopper plate 54 provided on the other side. The ball 52 is held at the tip of the screw 52a. The screw 52
a is screwed and fixed to the block 50, and by turning the screw 52a, the separation distance from the stopper plate 54 is adjusted, whereby the separation distance between the two arm portions 28, 28 can be adjusted. Further, the spring portion 48 can be, for example, a coil spring, and the spring portion 4 is attached to a pin 55 fixed to each lever 30, 30.
8, the holding force of the continuous belt 12 between the feed belts 14, 14 can be adjusted by selecting the strength of the spring. Further, the arm 2 is formed by the spring 48.
The same holding pressure can be maintained when the oscillating members 8 and 28 swing.

The crank section 20 has one arm section 2
The other end of the tie rod 56 having one end connected to
8 is rotatably connected to one location on the periphery of the shaft 8 by a bearing shaft 58a. The disk 58 is fixed to a rotating shaft 60a of a variable speed motor 60 attached to the back side of the frame front plate 24a.
When the disk 58 is rotated by driving the tie rod 56,
Makes a crank motion, and the arm portion 28 makes a rocking motion. Since the arms 28 are connected to each other by the spring 48, they simultaneously swing.

The tie rod 56 is attached to the arm 28
Alternatively, the swing width of the arm 28 can be adjusted by changing the mounting position of the disk 58 or changing the length of the tie rod 56 itself. A sensor dog 62a for detecting the rotation origin of the disk 58 is fixed to the other end on the circumference of the disk 58, and a sensor 62b is fixed to the front plate 24a.

At the lower part of the continuous pouch automatic stacking device, there is an unloading conveyor 64 on which the folded continuous pouches 12 are placed below the swing locus of the arms 28, 28,
The position below the arms 28 on the conveyor 64 is the placement location 16.

Although not shown, the continuous pouch automatic stacking apparatus includes a loading control unit 22 that can adjust the rotation of the arm unit 28 and the 28 feed motor 38 and the rotation of the variable speed motor 60 of the crank unit 20. The loading control unit 22 can be configured by using well-known controllers or a microcomputer, and the details thereof are omitted.

The unloading conveyor 64 is intermittently fed under the control of the loading control section 22. If the continuous pouches 12 are folded and loaded on the conveyor 64, the continuous pouches 12 are sent out. (Shown as 12a)
The operation of loading the next continuous pouch 12 in a folded state after opening the mounting position 16 is repeated.

The loading control unit 22 is provided with the sensor 62
Based on the output original position signal b, the reciprocating movement of the belt feeding section 18 can be started from the end in the unloading direction (an example of a fixed reciprocating end position) irrespective of the continuous number of the continuous pouches 12.

In FIG. 1, reference numeral 68 denotes a conveyor for feeding the conveyor belt 26 into the inlet side, and reference numeral 70 denotes a continuous pouch holding guide. In addition, the vertical position of the entrance side of the conveyor belt 26 can be adjusted.

In the automatic sachet accumulating apparatus of the embodiment,
The continuous pouches 12 are sandwiched between opposed feed belts 14, 14 by a belt feed member 18, and each feed belt 14,
14 in the same direction, the continuous pouches 12 are sent out to the mounting position, and the
Is reciprocated with respect to the mounting location 16.

At this time, the loading control unit 22 operates as shown in FIG.
As shown in (a) to (e), the belt feeding section 18 and the crank section 20 are continuously operated synchronously. In this synchronous operation, the number of times the pouch 10 is unfolded and then turned back can be determined by the swing stroke of the arms 28, 28, and the feed speed of the belts 14, 14 is appropriately synchronized with the swing speed.

As a result, the continuous pouches 12 are bent at the connecting portions of the pouches 10 and two pouches 10 are stacked in a folded state in FIG. 6, but the number of the pouches 10 to be bent is not limited to this. Instead, it may be a case of folding three by three as shown in FIG. 7B, or a case of folding three by three and finishing less than that as shown in FIG. 7C.
That is, in the present invention, the continuous pouches 12 are placed in a state where the second predetermined pouches of the same number or a different number from the first predetermined number are stacked on the first predetermined pouches at the time of bending. The continuous pouches 12 are stacked on the upper side 16.

Therefore, the continuous pouches 12 are fed in the length direction by the belt feeding member 18 and reciprocate at the leading end 18a, so that the continuous pouches 12 are fed out and stacked on the loading point 16 in a folded state. Therefore, as compared with stopping the continuous pouches 12 and bending the continuous pouches 12 with an air cylinder, the operation of stopping the continuous pouches 12 is not performed, and the speeding up of the apparatus is easy. In addition, since the operation is smooth, there is no possibility of damage to the pouch.

On the upstream side of the belt feeding section 18, the continuous pouches 12 from the upstream side are fed at a feeding speed synchronized with the belts 14, 14 of the feeding section 18.
The conveyor belt 26 which feeds to the conveyor belt can be provided.
Thereby, the continuous pouches 12 can be carried into the belt feeding section 18 smoothly in order.

The belt feeding section 18 is provided with a pair of arm sections 28 around which the belts 14 are fed, and the swing center of each arm section 28, 28 is the continuous pouch 1
2 is located on the feeding side, so that the belt feeding section 18
The position of the side portion of the continuous pouch 12 is constant, and the positioning of feeding from the upstream side of the continuous pouch 12 is easy.

Further, the feed belts 14, 14 are brought into contact with the belt feed section 18 so that the continuous pouches 12 are held at a fixed holding pressure with a separation section 46 at which the opposed feed belts 14, 14 do not approach each other more than a fixed distance. Since the spring portion 48 that urges in the approaching direction is provided, the continuous small bag 12 sandwiched between the belts 14 does not press with a certain strength or more, and the damage of the small bag 10 can be further prevented.

The belt delivery portion 18 is provided with a pair of arm portions 28 around which the belts 14 and 14 are fed, and the separation portion 46 has a ball 52 provided on one side of the arm portion 28 on the other side. Since it comes into contact with the provided positioning surface 54a and is urged by the spring portion 48,
With a simple and inexpensive configuration, each feed belt 14, 14
Can be held close to each other and the continuous pouches 12 can be held at a constant pressure.

The loading control section 22 starts the swinging of the belt feeding section 18 from a fixed reciprocating end position regardless of the continuous number of the continuous pouches 12, so that the continuous pouches 12 are always folded. If the beginning is constant and the direction of the continuous pouches 12 is fixed and sent by the belt feeding unit 18,
In the folded state, the orientation of the pouch 10 becomes constant, and the appearance is good in the packaging bag of the product in which the pouch is to be placed.

Since the pouches 10 are stacked on the upper surface of the conveyor 68 and the conveyor 68 is intermittently fed, the loading location 16 is fed when the loading of the continuous pouches 12 is completed, so that the continuous pouches 12 can be loaded on a new loading surface.

[0045]

As described above, according to the first aspect of the present invention, by continuously operating the belt feeding means and the belt reciprocating means, the continuous pouches are bent at the connecting portions of the pouches, and the first predetermined pouches are bent. The continuous pouches are stacked on the placement location in a state where the second predetermined pouches are stacked on the pouches.

Therefore, the continuous pouches are fed in the lengthwise direction by the belt feeding means, and reciprocated at the leading end, so that the continuous pouches are fed out and stacked in a folded state on the loading position. Therefore, compared to stopping the continuous pouches and bending them with an air cylinder, there is no stopping operation of the continuous pouches, and it is easier to increase the speed of the apparatus. In addition, since the operation is smooth, there is no possibility of damage to the pouch.

According to the first aspect of the present invention, on the upstream side of the belt feeding means, there is provided a conveying means for feeding the continuous pouches from the upstream side to the feeding means at a feeding speed synchronized with the belt of the feeding means. If this is the case, the continuous pouches can be carried into the belt feeding means smoothly in order.

According to the second aspect of the present invention, the side portion of the belt sending-out means, which includes the continuous pouches, has a fixed position, so that it is easy to position the feeding from the upstream side of the continuous pouches.

According to the third aspect of the present invention, the continuous pouches sandwiched between the belts do not press with a certain strength or more, and the pouches can be further prevented from being damaged.

According to the fourth aspect of the present invention, with a simple and inexpensive configuration, it is possible to securely hold the continuous pouches at a constant pressure without approaching each feed belt.

According to the fifth aspect of the present invention, when the continuous pouches are always folded at the beginning of folding, and when the continuous pouches are fed in a fixed direction, the direction of the pouches in the folded state becomes constant, and Good appearance in the bag.

According to the sixth aspect of the present invention, when the loading of the continuous pouches is completed, the continuous pouches can be loaded on a new loading surface.

[Brief description of the drawings]

FIG. 1 is an explanatory perspective view of a pouch automatic stacking apparatus according to an embodiment of the present invention.

FIG. 2 is an explanatory front view of the automatic sachet stacking apparatus of FIG. 1;

FIG. 3 is an explanatory side view of the automatic pouch stacking apparatus of FIG. 1 as viewed from a pouch unloading side.

FIG. 4 is an explanatory view of a main part of the automatic sachet accumulating apparatus of FIG. 1;

FIG. 5 is an explanatory view in cross section of FIG. 4;

6 (a) to 6 (e) are explanatory views of the operation of the automatic sachet accumulating apparatus of FIG. 1;

FIGS. 7A to 7C are explanatory diagrams of a continuous pouch and folding.

8 (a) to 8 (c) are explanatory views of a conventional example of a continuous pouch automatic stacking device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Pouches 12 Continuous pouches 14 Feed belt 16 Placement place 18 Belt sending section 18a Tip end 20 Crank section 22 Loading control section 28 Arm section

Claims (6)

[Claims] 1. A continuous pouch in which a plurality of pouches wrapping articles are connected between sandwiched feed belts, and
Belt sending means for sending the continuous pouches to the placement location by moving the respective feed belts in the same direction, and belt reciprocating means for reciprocating the tip of the belt delivery means with respect to the placement location, The belt feeding means and the belt reciprocating means are operated synchronously, and a continuous small pouch is bent at a connecting portion between the small pouches, and a second predetermined pouch is stacked on the first predetermined pouch. A pouch automatic stacking device, comprising: loading control means for loading continuous pouches on the placement location in the state. 2. The belt feeding means is provided with a pair of arms for circulating the feed belt, and the swing center of each arm is located on the side where the continuous pouch is fed. Automatic pouch accumulating apparatus according to 1. 3. The belt feeding means includes: a separating means for preventing the opposing feed belts from approaching each other for a certain distance or more; and a means for urging the respective feed belts in the approaching direction so as to pinch the continuous pouches at a predetermined holding pressure. The automatic pouch accumulating apparatus according to claim 1 or 2, further comprising: 4. The belt sending means is provided with a pair of arm portions around which the belt is fed, and the separating means comprises:
4. The automatic small bag accumulating apparatus according to claim 3, wherein a ball provided on one of the arm portions comes into contact with a positioning surface provided on the other, and the urging means is a spring member. 5. The pouch according to claim 1, wherein the loading control means starts the reciprocation of the belt feeding means from a fixed reciprocating end position regardless of the number of continuous pouches. Automatic integration device. 6. The automatic small bag accumulating apparatus according to claim 1, wherein the loading portion is a conveying means for accumulating the small bags on the upper surface of the conveying portion and intermittently feeding the conveying portion.