JPH0761183A - Device for insertion into bag - Google Patents

Abstract

PURPOSE:To carry out the work of insertion into bags automatically and continuously by rotating intermittently a receiving and retaining means at a working station, feeding bags to the receiving and retaining means during one rotation, inserting into the bags and then deliverying the bags with articles inserted therein. CONSTITUTION:The whole of a device is constituted of a bag feed station 20 for feeding bags 4 one by one, a working station 40 for receiving bags 4 to be fed, an insertion feed section 60 for inserting articles 6 into the bags 4 waiting at the working station 40 and a delivery station 80 for delivering the bags 4 with articles 6. A rotating shaft 41 is rotated intermittently by 90 deg. in one cycle in the working station 40 and four receiving and retaining means 42a-42d are faced to respective corresponding stations 20, 60 and 80 succesively. That is, the bags 4 are fed to a first receiving and retaining means 42a and the articles 6 are inserted into a third receiving and retaining means 42c, and then the bags 4 into which the articles 6 are inserted are delivered from a fourth receiving and retaining means 42d.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for inserting an insert into a bag, for example, a device for inserting an insertion sheet constituting a core material of a file sheet into a bag constituting a file sheet. Regarding

[0002]

2. Description of the Related Art Conventionally, a file book 1 as shown in FIG. 1 (A) is known. Book 1 for this file
Is a binding sheet 3 in which a large number of filing sheets 2 formed in a bag shape with a transparent or translucent synthetic resin film are bound.
The bag 4 forming each file sheet 2 has an opening 5 at one side edge, and an insertion sheet 6 made of a sheet is inserted into the bag.

[0003]

When manufacturing a known file book 1, the bags 4 constituting the respective file sheets 2 are automated by a bag making machine and are mass-produced.

However, the work of inserting the insertion sheet 6 into the file sheet 2 has heretofore been carried out mainly by manual work, which is inefficient and an obstacle to cost reduction.

As a technique for automation relating to this point, the present applicant has previously proposed Japanese Patent Publication No. 1-36798 (Japanese Patent Application No. 58-58535), which is used as a core material during the bag making process. Since it is a technique for simultaneously inserting the insertion sheet as described above, it cannot be applied to the work of inserting the insertion sheet after the fact for the file sheet for which bag making has already been completed.

[0006]

The present invention provides an apparatus which solves the above-mentioned problems. That is, the present invention relates to a device for inserting an insert into a bag. According to this device, it is possible to automate the work of inserting the insertion sheet into the bag forming the file sheet.

Therefore, the present invention is configured as a means, in which a bag supplying station for supplying one bag to one bag, a work station for receiving the supplied bag, and an insert for a bag waiting at the work station. The work station comprises an insert supply station for supplying and inserting and a delivery station for delivering the bag in which the insert is inserted, and the working station has receiving and holding means provided in the radial direction of the rotating shaft for receiving and holding the bag. The rotating shaft is provided with an intermittent rotation driving means for circulating the receiving and holding means to a position facing the bag supply station, a position facing the insert supply station, and a position facing the delivery station, and stopping at each position. Further, the work station has at least the first receiving and holding means facing the bag supply station. Meta state, as occupies face the n-th receiving holding means insert feed station lies in comprising constituting the plurality of receiving the holding means at intervals in the circumferential direction of the rotary shaft.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.

As shown in FIG. 1B, the apparatus as a whole is a bag supply station 20 for supplying one bag 4 at a time.
And a work station 40 for receiving the supplied bags 4,
The work station 40 is composed of an insert supply station 60 for inserting the insert sheet 6 (insert) into the bag 4 and a delivery station 80 for delivering the bag 4 with the insert sheet 6 inserted therein.

(Structure of Bag Supply Station) As shown in FIGS. 2 to 4, the bag supply station 20 has a stock means 21 on which the stacked bags 4 are placed and a bag 4 which is the lowest layer from the stock means 21. Feeding means 22 for feeding one sheet to
And a holding means 23 for holding the upper layer bag 4a during the feeding.
And a conveyor means 24 for transporting the unpacked bag 4 addressed to one sheet.

The feeding means 22 constitutes a feeding body 25 which can advance and retreat toward the conveyor 24. A concave portion 26 is formed on the upper surface of the front end of the feeding body 25 facing the conveyor 24, and the lowermost bag is formed in the concave portion 26. Suction port 2 that draws in and adsorbs 4
7 is opened in the recess 26, and is provided with advancing / retreating driving means 28 such as a cylinder for advancing the feeding body 22 in a state where the lowermost bag 4 is adsorbed in the recess 26 and then retracting it.

The stocking means 21 is provided with a support base 29 disposed adjacent to the rear end of the feeding means 22, and the support base 29 is composed of a plurality of division bases 29a arranged in a row at intervals. A large number of air ejection ports 29b are provided on the upper surface of each of the division tables 29a. A guide plate 30 having an L-shaped cross section is arranged on both sides of the feeding body 25, and the feeding body 25, the guide plate 30, and the support 29 allow
The stock means 21 for placing the laminated body of the bags 4 is configured.

The holding means 23 interferes with the claw portion 31 which can be moved back and forth between the lowermost bag 4 and the upper bag 4a adsorbed in the recess 26, and the front edge of the upper bag 4a. A rod having a holding portion 32 is configured, and as will be described later, during the feeding operation in which the lowermost bag 4 is adsorbed in the concave portion 26 and the feeding body 25 is moved forward, the claw portion 31 is moved forward so that one bag is directed. Four
After completion of feeding, the holding drive means 33 such as a cylinder for retracting the claw portion 31 is provided.

The conveyor means 24 includes a lower belt conveyor 34 and an upper belt conveyor 35 which are divided into a plurality of rows.
The lower belt conveyor 34 extends so as to come close to the feeding body 25. An idle roller 36 is disposed in the vicinity of the extending end of the lower belt conveyor 34 so as to be able to come into contact with and separate from it, and is provided with a roller driving means 37 such as a cylinder for driving the idle roller 36 to move back and forth in the contacting and separating direction.

In the case of the illustrated example, the lower belt conveyor 34 and the upper belt conveyor 35, which are a set, are provided in three rows at intervals in the width direction, and the feeding body is provided between the two rows on both sides. 25 moves back and forth. Therefore, the feeding body 2
No. 5 is provided with a notch 38 for preventing the interference with the extending end of the central lower belt conveyor 34 in order to allow the front end edge of the feeding body 25 to enter the row interval of the conveyors when moving forward.

An air jet nozzle 39 facing the recess 26 is provided from the front of the feeding body 25.

(Operation of Bag Supply Station) A large number of bags 4 are stacked on the stock means 21, and the bags 4 are placed with their front edges in the feeding direction aligned with the front edges of the feeding body 25.

First, as shown in FIG. 4 (A), the feeding body 2
When the suction port 27 opened in the recess 26 of No. 5 sucks air by a vacuum means (not shown), the lowermost bag 4 is drawn into the recess 26 and adsorbed. together,
By the air jet from the air jet nozzle 39, the bag 4 in the lowermost layer forms a gap S with the bag 4a in the upper layer portion at least in the portion sucked into the recess 26.

Therefore, by the holding and driving means 33, as shown in FIG.
As shown by the chain line in (A), the claw portion 31 of the holding means 23 is advanced and enters the gap S. In the case of the example,
At the same time, the holding portion 32 moves forward to face and interfere with the front edge of the upper bag 4a, thereby completing the preparation for feeding the lowermost bag 4.

Next, as shown in FIG. 4 (B), the feeding / retracting drive means 28 advances the feeding body 25. At this time, air is ejected from the air ejection port 29b of the support base 29, and acts to lift the lowermost bag 4 upward. Therefore, the lowermost bag 4 advances together with the feeding body 25 while the front end portion of the bag 4 is adsorbed by the concave portion 26, while the upper bag 4a has the claw portion 31 of the holding means 23.
Since it is held by the holding unit 32, it is kept on standby on the stock means 21.

As shown in FIG. 4 (B), the feeding body 25 is
Since the notch 38 is advanced to a position for receiving the extended end of the lower belt conveyor 34, the front end edge of the delivered bag 4 is positioned on the lower belt conveyor 34. Therefore, the roller driving means 37 is used to drive the roller shown in FIG.
When the idle roller 36 is advanced and the front edge of the bag 4 is pinched between the idle roller 36 and the lower belt conveyor 34, the bag 4 is pressed against the lower belt conveyor 34 and is forced as shown by the chain line in FIG. Move forward well, then lower belt conveyor 34 and upper belt conveyor 35
It is sent to the next work station 40 in a state where it is sandwiched by and held in the posture. Incidentally, the idle roller 36
It is preferable that the suction port 27 of the concave portion 26 stop sucking air when the bag 4 is supported by the front edge of the bag 4, but the bag 4 is separated from the suction port 27 and conveyed even in the air suction state. To be done.

When the feeding operation for one bag is completed, the feeding body 25 retreats and returns to its original position, and then the claw portion 31 of the holding means 23 also retreats to its original position. I can be returned. At this time, the air ejection port 29 of the support 29
Since the stack of bags is made to act in the lifting direction by b, wrinkles will not occur in the next bag due to the backward movement of the feeding body 25. After that, subsequently, the next bag 4 is sucked into the recess 26, and the above operation is repeated.

(Construction of Working Station) As shown in FIGS. 1 (B) and 5, the working station 40 is arranged horizontally for receiving and holding the bag 4 supplied from the bag supplying station 20. The rotating body 40a is provided with the receiving and holding means 42 in the radial direction of the shaft 41. In the case of the illustrated embodiment, the rotary shaft 41 is positioned so that the receiving and holding means 42 faces the bag supply station 20 (reference numeral 42 in FIG. 5).
a), an upright position that passes through the position and stands by (a position corresponding to reference numeral 42b in the figure), and a position that faces the insert supply station 60 (reference numeral 42 in the figure).
(a position corresponding to c) and a downwardly facing position facing the delivery station 80 (a position corresponding to reference numeral 42d in the figure) are provided with intermittent rotation driving means for pausing and stopping at each position. Although not shown, the intermittent rotation drive means may be a known means such as a controllable step motor.

The receiving and holding means 42 is the rotary shaft 41.
A plurality of receiving and holding means 42 are provided at intervals in the circumferential direction of the bag feeding station 20.
The n-th receiving and holding means 42 is arranged so as to face the insert supply station 60. Therefore, at least two receiving and holding means 42 are provided. In the case of the illustrated embodiment, four receiving and holding means 4
2a, 42b, 42c, 42d are provided, the second receiving and holding means 42b is in the standby upright posture, with the first receiving and holding means 42a facing the bag supply station 20 in a horizontal posture. Third receiving and holding means 4
2c faces the insert supply station 60 in a horizontal position, and the fourth receiving and holding means 42d hangs downward to face the delivery station 80.

Each of the receiving and holding means 42 is composed of a pair of thin plates 43, 43 which are superposed with a gap therebetween, and the bag 4 can be housed between the thin plates 43, 43. The pair of thin plates 43, 43 form a receiving opening 44 by bending and expanding the free edges thereof, and slits extending from the receiving opening 44 toward the rotary shaft 41 at the opposing portions of the thin plates 43, 43. Forming 45.

As shown in FIG. 5, the bag feeding station 2
The end of the conveyor means 24 extending from 0 enters the slit 45 of the receiving and holding means 42 a facing the bag supply station 20. Therefore, the conveyor means 2
The bag 4 conveyed by 4 is put into the receiving and holding means 42a without reducing the momentum. On the other hand, each receiving and holding means 4
2 can be rotated together with the rotating shaft 41 without interfering with the conveyor means 24 through the slit 45.

The end of the conveyor means 64 extending from the insert supply station 60, which will be described later, is disposed close to the receiving opening 44 of the receiving and holding means 42c exposed to the insert supply station 60, A pair of upper and lower bag expanding means 47, 47 are provided near the end of the conveyor means 64. The bag expanding means 47 includes an air suction nozzle 46, and from the retracted position which does not interfere with the rotation of the receiving and holding means 42c as shown by the chain line in FIG. 5, through the slit 45 of the receiving and holding means 42c, the air suction nozzle 46. Is moved back and forth by a driving means such as a step motor between the bag 4 and the forward position where the bag 4 is brought close to the bag 4. In addition to the bag expanding means 47, it is preferable to additionally provide an air jet nozzle facing the receiving opening 44 of the receiving and holding means 42c.

The delivery station 80 constitutes a chute 81 disposed below the receiving and holding means 42d in a downwardly hung posture.

(Operation of Work Station) The first receiving and holding means 42a is in a state where the rotary body 40a is intermittently rotated by the rotary shaft 41 and stopped at the position shown in FIG.
Is faced to the bag supply station 20, and the single bag 4 conveyed by the conveyor means 24 is loaded.
At this time, since the end of the conveyor means 24 is in the state of entering the slit 45, the bag 4 is put into the receiving and holding means 42a without reducing the momentum. The bag 4 transported by the conveyor means 24 has an opening 5 of the bag in the transport direction.
Is directed rearward, and therefore, the opening 5 of the introduced bag 4 is received and held toward the receiving opening 44 of the receiving and holding means 42a.

In this state, the second receiving / holding means 42b has already received and held the bag 4 and stands by in an upright posture.

The third receiving and holding means 42c faces the insert supply station 60, and the opening 5 of the bag 4 is expanded by an air ejection nozzle (not shown). At the same time, the bag expanding means 47, 47 are moved forward, the bag 4 is expanded by the air suction nozzle 46 that sucks the bag 4 through the slit 45, and the insertion sheet 6 conveyed by the insert supply station 60 in that state is inserted. It is put in the bag 4. On this occasion,
It is preferable that the thin plates 43, 43 forming each receiving and holding means 42 are made of a metal thin plate that is easily elastically deformed when an external force is applied and is easily restored when the external force is released,
When the bag 4 is expanded by the air suction nozzles 46, 46,
The pair of thin plates 43, 43 are expanded to follow each other, and the bag 4
Is preferably configured to be greatly expanded.
When the insertion sheet 6 is completely loaded, the bag expanding means 47,
47 moves backward and returns to the position shown by the chain line in FIG.

The fourth receiving and holding means 42d is faced to the delivery station 80 in a downwardly hung posture and drops the bag 4 into which the insertion sheet 6 has been inserted.
That is, the bag 4 falls off the receiving and holding means 42d due to its own weight and drops, and is sent along the chute 81 of the sending station 80.

When the above work is completed, the rotating body 40a
Is rotated by 90 degrees, and the same operation as described above is repeated for the receiving and holding means 42 that has been moved.

(Structure of Insert Supply Station) As shown in FIG. 6, the insert supply station 60 includes stock means 61 on which the stacked insert sheets 6 are placed, and the bottom insert sheet from the stock means 61. 6, a feeding means 62 for feeding one sheet, a holding means 63 for holding a stack of the insertion sheets in the upper layer portion during the feeding, and a conveyor means 64 for conveying the fed one sheet 6 for insertion. Consists of.

The feeding means 62 constitutes a feeding body 65 which can advance and retreat toward the conveyor 64, forms a recess 66 on the upper surface of the front end of the feeding body 65 facing the conveyor 64, and inserts the lowest layer into the recess 66. A suction port 67 for drawing in and adsorbing the sheet 6 is opened in the concave portion 66, and an advancing / retreating driving means 68 such as a cylinder for advancing the feeding body 62 and then retracting it while the lowermost insertion sheet 6 is adsorbed in the concave portion 66. Equipped with.

The stock means 61 is provided with a support base 69 disposed adjacent to the rear end of the feeding means 62, and the support base 69 is composed of a plurality of division bases 69a arranged in a row at intervals. A large number of air ejection ports 69b are provided on the upper surface of each of the division tables 69a. A guide plate 70 having an L-shaped cross section is arranged on both sides of the feeding body 65, and constitutes a stock means 61 for placing the stack of the insertion sheets 6 on the upper surfaces of the feeding body 65 and the support base 69.

The holding means 63 is provided with a claw portion 71 that can be moved back and forth between the lowermost insertion sheet 6 and the upper insertion sheet stack adsorbed in the recess 66, and the upper insertion sheet stack. A rod having a holding portion 72 that interferes with the front end edge is configured, and as will be described later, the claw portion 71 is advanced during the feeding operation of adsorbing the lowermost layer insertion sheet 6 to the recess 66 and advancing the feeding body 65, A holding drive means 73 such as a cylinder is provided for retracting the claw portion 71 after feeding out the insertion sheet 6 addressed to one sheet.

The conveyor means 64 includes a lower belt conveyor 74 and an upper belt conveyor 75 divided into a plurality of rows.
The lower belt conveyor 74 extends so as to come close to the feeding body 65. An idle roller 76 is disposed in the vicinity of the extending end of the lower belt conveyor 74 so as to be able to come into contact with and separate from it, and is provided with a roller driving means 77 such as a cylinder that drives the idle roller 76 to move forward and backward in the contacting and separating direction.

In the case of the illustrated example, the lower belt conveyor 74 and the upper belt conveyor 75, which are a set, are provided in two rows at intervals in the width direction.
The feeding body 65 moves forward and backward toward the extended end of No. 4. Therefore, the feeding body 65 is provided with notches 78 and 78 for preventing the front end edge of the feeding body 65 from interfering with the extending ends of the two rows of the lower belt conveyors 74 during forward movement.

Although not shown in the drawing, an air jet nozzle facing the concave portion 66 from the front of the feeding body 65 is provided.

(Operation of Insert Supply Station) The operation of supplying the insert sheet 6 for one sheet by the insert supply station 60 is substantially the same as the operation for supplying the bag 4 for one sheet by the bag supply station 20 described above. Therefore, it is not shown.

First, a large number of insertion sheets 6 are stacked on the stock means 61, and the stacking body is placed with its front edge in the feeding direction aligned with the front edge of the feeding body 65.

When the suction means 67 opened in the concave portion 66 of the feeding body 65 sucks the air by the vacuum means,
The insertion sheet 6 of the lowermost layer is drawn into the concave portion 66 and adsorbed. At the same time, the lowermost insertion sheet 6 is ejected from the air ejection nozzles that are arranged toward the recesses 66, so that at least the portion where the insertion sheet 6 is adsorbed by the recesses 66, the lowermost insertion sheet 6 and the insertion sheet laminate of the upper layer portion. Form a gap.

Then, the claw portion 71 of the holding means 63 is advanced by the holding drive means 73, and enters the above-mentioned gap between the insertion sheet 6 of the lowermost layer and the insertion sheet laminate of the upper layer portion. At the same time, the holding portion 72 moves forward to face and interfere with the front edge of the insert sheet stack of the upper layer portion, whereby the feeding preparation of the insert sheet 6 of the lowermost layer is completed.

Then, the advancing / retreating driving means 68 is used to move the feeding member 6
5 is advanced. At this time, the air is ejected from the air ejection port 69b of the support base 69, and acts so as to lift the lowermost insertion sheet 6 upward. Therefore, the insertion sheet 6 of the lowermost layer has a concave portion 66 in the vicinity of the front end.
While advancing along with the feeding body 65 in a state of being adsorbed by the sheet feeding device, the insertion sheet stack of the upper layer portion is held by the claw portions 71 and the holding portion 72 of the holding means 63, and therefore stands by on the stocking means 61. It has been confused.

The feeding body 65 is advanced to the position where the notch 78 receives the extended end of the lower belt conveyor 74, so that the front edge of the fed insertion sheet 6 is positioned above the lower belt conveyor 74. To be Therefore, the idle roller 76 is advanced by the roller driving means 77, and the front edge of the insertion sheet 6 is moved to the idle roller 76.
When sandwiched between the lower belt conveyor 74 and the lower belt conveyor 74, the insertion sheet 6 is pressed against the lower belt conveyor 74 and vigorously advances, and thereafter, the inserted sheet 6 is sandwiched by the lower belt conveyor 74 and the upper belt conveyor 75 to maintain the posture. In the state, as shown in FIG. 5, it is sent to the work station 40. When the idle roller 76 is brought into contact with the front edge of the insertion sheet 6, it is preferable that the suction port 67 of the concave portion 66 stop sucking air. It is conveyed away from the suction port 67.

When the feeding operation for one insertion sheet is completed, the feeding body 65 retracts and returns to the original position, and then the claw portion 71 of the holding means 63 also retracts to the original position. Be returned to. At this time, since the stack of inserted sheets is made to act in the lifting direction by the air ejection port 69b of the support base 69, the next insertion sheet will not be wrinkled due to the backward movement of the feeding body 65. After that,
Succeedingly, the next insertion sheet 6 is sucked into the recess 66,
The above operation is repeated.

(Structure of Bag and Insertion Sheet) In the illustrated embodiment, the bag 4 is formed in a large size such as A3 size, and the structure shown in FIG.
As shown in FIG. 1 (A), the left and right filing sheets 2 and 2 of A4 size etc. are composed of one bag 4 and
As shown in (B), two insertion sheets 6 and 6 are inserted into the one bag 4 in parallel. For this reason, although not shown in the drawings, the insert supply stations 60, 60 are configured as a pair of left and right side by side.

However, in the present invention, the bag 4 is formed in a small size such as A4 size so as to correspond to one page of the file sheet 2, and only one insertion sheet 6 is inserted into the bag 4. Of course, it is free to configure it.

[0050]

According to the present invention, for example, when inserting the insert sheet 5 constituting the insert as the core material into the bag 4 constituting the file sheet 2, the work is continuously automated. And improve work efficiency,
As a result, it becomes possible to reduce the unit cost of the product.

Particularly, according to the present invention, the work station 40 is provided with a plurality of receiving and holding means 42 at intervals in the circumferential direction of the rotating shaft, and at least the first receiving and holding means 42a.
With the configuration in which the n-th receiving and holding means 42c is exposed to the insert supply station 40 with the bag supply station 20 facing the insert supply station 20, the supply of the bag 4 from the work station 40 and the insert supply station 60 are performed. The feeding of the insertion sheet 6 from the sheet can be performed almost at the same time.
In other words, the rotating body 4 constituting the work station 40
It is possible to perform two operations of supplying the bag 4 and supplying the insertion sheet 6 in parallel during the intermittent stop time of the intermittent rotation of 0a. As compared with the case where different operations are performed separately, the work time is significantly shortened, the work processing efficiency within a predetermined time is improved, and a large amount of processing can be performed.

[Brief description of drawings]

FIG. 1 is a schematic view of the present invention, (A) is a perspective view showing a file book as an example to which the present invention is applied, and (B) is an arrangement of stations in one embodiment of the present invention. FIG.

FIG. 2 is a perspective view showing a bag supply station according to an embodiment of the present invention.

FIG. 3 is a vertical side view of the bag supply station.

FIG. 4 shows the operation of the bag supply station,
(A) is a vertical sectional side view showing a bag supply preparation state, and (B) is a vertical sectional side view showing a bag supply state.

FIG. 5 is a vertical sectional side view showing a work station according to an embodiment of the present invention.

FIG. 6 is a perspective view showing an insert supply station according to an embodiment of the present invention.

[Explanation of symbols]

 2 sheet for file 4 bag 6 insert sheet 20 bag supply station 21 stocking means 22 feeding means 23 holding means 24 conveyor means 25 feeding body 26 recessed portion 27 suction port 28 advancing / retreating driving means 29 support base 31 claw portion 32 holding portion 33 holding driving means 36 Idle Roller 37 Roller Driving Means 38 Notch 40 Work Station 40a Rotating Body 42 Receiving and Holding Means 43 Thin Plate 44 Receiving Opening 47 Bag Expanding Means 60 Insert Feeding Station 61 Stock Means 62 Feeding Means 63 Holding Means 64 Conveyor Means 65 Feeding Body 66 Recessed portion 67 Suction port 68 Forward / backward driving means 69 Support base 71 Claw portion 72 Holding portion 73 Holding driving means 76 Idle roller 77 Roller driving means 78 Notch 80 Sending station 81 Chute

Claims (1)

[Claims] 1. A bag supply station for supplying one bag to a bag, a work station for receiving the supplied bag, and an insert supply station for supplying and inserting an insert into a bag waiting at the work station. And a delivery station for delivering the bag in which the insert has been inserted, wherein the work station includes receiving and holding means provided in the radial direction of the rotating shaft for receiving and holding the bag, and the rotating shaft has the receiving and holding means. To the bag supply station, to the insert supply station, and to the delivery station, and an intermittent rotation drive means for stopping at each position, further, the work station, With at least the first receiving and holding means facing the bag supply station,
Inserting an insert into a bag characterized by comprising a plurality of receiving and holding means at intervals in the circumferential direction of the rotary shaft so that the n-th receiving and holding means faces the insert supply station. apparatus.