JP2001031018A - Carton supply device for carton-forming and filling machine for square tube-like paper liquid container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce time and labor and manpower required for replenishing cartons to a carton accumulating part as compared with a conventional method even in the case where a carton-forming and filling machine for square tube-like paper liquid container comprises one or more or a plurality of carton-forming and filling lines per unit. SOLUTION: The direction of delivering traversely cartons 1 lined in a rank at a carton accumulating part A is set horizontally while the direction of supplying the cartons from the front end of the accumulating part toward a bottom- forming mandrel D is set in a slope rising toward the mandrel, and the accumulating part A is arranged so as to butt at a right angle against the direction in which the cartons are supplied to the bottom-forming mandrel while rising in a slope in the direction the same as the direction in which the cartons are supplied to the bottom-forming mandrel, and a carton-replenishing part B capable of being changed from a horizontal position to a sloped position for replenishing the cartons in a lump is provided at the rear end of the accumulating part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box filling machine for forming a rectangular cylindrical paper container for liquid packaging, and subsequently filling the liquid contents into a box-shaped filling machine. The present invention relates to a carton supply device for a box filling machine for making a rectangular cylindrical liquid paper container, which feeds a folded parallelogram cylindrical carton in a three-dimensional shape while sequentially feeding the cartons.

[0002]

2. Description of the Related Art In general, a rectangular tubular paper container (carton container) for liquid packaging is a schematic side view of a box-filling machine for a rectangular tubular liquid paper container shown in FIG. 9 (a) and a top view thereof. , FIG. 10 (a)
As shown in the schematic side view of the box-shaped filling machine for producing a rectangular cylindrical liquid paper container, and the top view of (b), the carton accumulating section 41 (A) or the carton accumulating section 4 is used as the rectangular cylindrical carton supply device.
1 (A), a carton erecting section 42 (C), a box-making mandrel section 43 (D), and a filling section 50 (E) for filling and sealing the contents in the box-formed container. Manufactured by box filling machine.

[0003] First, the carton accumulating portion 41 (A) is selected from the multiplicity of flattened parallelogram-shaped cylindrical multi-cartons 1 which are vertically and horizontally accumulated in the carton accumulating portion 41 (A). A) The flat-shaped carton 1 at the tip is
From the tip end (the end having a narrow draw-out space enough to allow the width of one side of the carton to pass) one by one, the carton withdrawal means (not shown) of the rising portion 42 (C) opposed thereto faces the carton angle. The flat-shaped carton 1 was provided with a cylindrical holding frame and pulled out to the upright portion 42 which performs a reciprocating linear transfer operation, so that the flat-shaped carton 1 was raised up in a three-dimensional shape, and was held (retained) in a three-dimensional rectangular tube shape by the upright portion 42. In this state, it is conveyed in the direction of the intermittently rotating box-making mandrel part 43 (D).

[0004] The rotation support 44 of the mandrel 43
Square box-forming mandrel 45 radially attached to
(Carton square tube shape holding shaft) is inserted and supported sequentially, and the lower part of each carton square tube body is folded while rotating,
Subsequently, bottom seal molding is performed by heating to form a rectangular cylindrical paper container, and the bottom-sealed paper container 1 is
Subsequently, the liquid content is introduced from the mandrel part 43 to the filling part 50, and is filled with the liquid contents while being conveyed by the many carriers (not shown) attached to the endless chain 52 of the conveying part 51. It is sealed and filled by top seal molding.

[0005]

During operation of the box filling machine for producing a rectangular cylindrical liquid paper container, a plurality of cartons 1 are always stacked in a carton so that the carton 1 is not depleted in the carton stacking section 41. Although it is necessary to replenish the inside of the unit 41, conventionally, the replenishment and supply of the carton is all performed manually, and when replenishing the carton, a large number of heavy cartons are collectively hand-manufactured. The work of replenishing the carton stacking unit 41 with the carton and the work of replenishing the carton at a fixed angle required a considerable amount of labor.

Further, as shown in FIG. 9 and FIG. 10, when the box filling line is one line in the conventional box filling machine for forming a rectangular cylindrical liquid paper container, the replenishing operation of the carton is not performed. Although it is relatively easy, for example, in a box making and filling machine in which a plurality of line such as two box making and filling lines are arranged per one box making and filling machine, not only the number of box making and filling lines increases but also Carton stacking sections must be provided above and below so that they do not intersect, and this carton replenishment operation must be performed more frequently as the number of lines increases, and consequently, this carton replenishment operation is performed by one operator. It required a great deal of labor, time and effort, such as being unable to do so.

An object of the present invention is to provide a box filling machine in which a box filling line for one box-shaped liquid paper container box filling machine is set to one or two or more lines. Another object of the present invention is to reduce the labor, time, and labor required for a carton replenishing operation for a part as compared with the conventional case.

[0008]

SUMMARY OF THE INVENTION The present invention is directed to a carton accumulating section for vertically accumulating a large number of rectangular cylindrical cartons folded in a flat shape for a rectangular cylindrical liquid paper container in a row feeding direction. A rectangular cylindrical liquid that takes out the cartons one by one from the front end and raises the carton in a three-dimensional shape, sequentially supplies them to the bottom box mandrel side, and collectively replenishes a plurality of replenishment cartons from the rear end of the accumulation section. In the rectangular tube-shaped carton feeding device of the paper container box filling machine, the carton accumulating portion is horizontally arranged in a horizontal row, and the carton feeding direction from the tip of the accumulating portion to the bottom box mandrel side is the mandrel side. The stacking part is perpendicular to the carton supply direction to the bottom box-making mandrel and is the same as the carton supply direction to the bottom box-mandrel side. A carton replenishing part for collectively replenishing cartons that is capable of changing its attitude in the horizontal direction or in the direction of inclination of the collecting part is provided at the rear end of the collecting part. It is a carton supply device of a box filling machine for making a tubular liquid paper container.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION In the carton feeding device for a box filling machine for producing a rectangular cylindrical liquid paper container according to the present invention, a box filling line is provided with two boxes.
An embodiment in the case of a box filling machine equipped with lines (L (left) line and R (right) line) will be described in detail below.

FIG. 8 (a) is a side view of an entire view of the apparatus of the present invention, and FIG. 8 (b) is a top view of the apparatus, in which a rectangular tubular carton 1 folded in a flat shape for a rectangular tubular liquid paper container is vertically drawn. And a carton stacking section A for stacking a large number of cartons 1 in the row delivery direction, and taking out the cartons 1 one by one from the tip end of the stacking section A, erecting the carton 1 into a three-dimensional shape, and mounting the erect carton 1 on a bottom box mandrel. An upright section C for sequentially supplying the section D is provided, and a carton replenishing section B for collectively replenishing a plurality of replenishing cartons 1 from the rear end of the stacking section A.

The carton stacking section A is arranged such that the horizontal feeding direction is horizontal, and the direction of carton supply from the tip of the stacking section A to the bottom box mandrel section D is higher toward the mandrel section D. The stacking portion A is set to be inclined, and the stacking portion A is orthogonal to the carton supply direction to the bottom box-making mandrel portion D, and the carton supply direction to the bottom box-making mandrel portion D side. They are arranged at a high inclination in the same direction.

The rear end of the stacking section A has a horizontal direction,
In addition, a carton replenishing section B is provided for replenishing cartons at a time, the attitude of which can be changed in the inclination direction of the stacking section A.

Carton stacking section A: The carton stacking section A for stacking cartons 1 folded in a flat shape as shown in the front view of the rectangular tubular carton feeding apparatus in FIG. A carton stacking section A includes a carton stacking section AL on the L (left) line side and a carton stacking section A on the R (right) line side having substantially the same structure.
R.

The material of the carton 1 for liquid packaging is as follows:
A composite sheet mainly composed of paper (paperboard), on one or both sides of which a synthetic resin layer (sealant layer for heat sealing, barrier layer) is laminated, or an aluminum foil layer, etc. Through, a square tubular body with four side faces, a bottom sealable bottom seal that can be folded into one end of the tubular body as a container bottom, and a container top at the other end of the tube And an upper surface capable of being folded and top-sealed.

As shown in FIG. 1, the carton stacking section AL is provided below and in front of the carton stacking section AR, and as shown in the right side view of FIG.
And AR are installed such that their relative positions viewed from the side surface thereof are, for example, at an angle of 45 °.

Here, since the lower carton accumulation part AL and the upper carton accumulation part AR on the L (left) line side have substantially the same structure, the lower carton accumulation part AL will be described in detail below. The lower carton stacking section AL is composed of a plurality of flat folded cartons 1 arranged in a vertical position with the longitudinal direction of the carton 1 standing upright, supporting a lower end of the carton 1 in a row direction and guiding the carton 1 in a horizontal direction. (One or a plurality of straight plate-shaped or shaft-shaped guide portions) and a back guide portion 12 perpendicular to this.

A temporary fixing portion (one side wall portion of the carton 1 passes through the front end portion (left side in the drawing) of the lower guide portion 11 for temporarily locking the leading end portion of the flat folded cartons 1 that have been accumulated. (A possible upright gap is provided), and the flat folded cartons 1 accumulated on the rear end portion (right side in the drawing) of the lower guide portion 11 are supplied in the supply direction (front end direction). The carton pushing-in support means 14 which pushes to the front end at the rearmost end, and avoids and returns.
(An accumulation carton pushing support fork that performs a slow forward pushing operation corresponding to the consumption amount of the accumulated cartons 1, a standby (avoidance) operation below or above the lower guide portion 11, and a high-speed retraction return operation), and which will be described later. A replenishing bucket means is provided which pushes the replenishment carton group to the carton stacking unit side and replenishes while supporting the lump replenishing carton group at its leading end and the trailing end.

A carton rising section C; a carton rising section C is provided in front (opposite side) of the carton collecting section AL in the supply direction, and the rising section C is a lower carton collecting section on the L (left) line side. A lower upright portion CL corresponding to AL and an upper upright portion CR corresponding to the upper carton accumulation portion AR on the R (right) line side. Here, a lower upright portion CL and an upper upright portion CR are provided. Since the structure is substantially the same as that described above, the lower rising portion CL will be described in detail below.

The lower rising portion CL provided in front of the lower carton collecting portion AL in the supply direction is provided with a carton pull-out portion 18 such as a vacuum suction device which can return to the tip of the carton collecting portion AL. A rectangular frame-shaped (fence-shaped) shape-conveying device 19 that holds the carton raised in the shape of a cylinder in a solid rectangular tube shape (shape preservation) and linearly reciprocates to convey the carton; The carton pull-out section 18 holds the tip of the carton 1 by suction while
The carton 1 can pass through the inside of the frame-shaped shape-conveying device 19 at the stop position of the conveyance start point, and when passing, the carton 1 can be delivered in a state where the three-dimensional cylindrical shape is held in the rectangular frame of the shape-conveying device 19. It has become. In addition, the shape-retaining conveying device 19 is inclined in the direction of a box-making mandrel portion D provided in a frame shape (fence shape) facing diagonally in order to hold the flat folding carton 1 in a rectangular solid rectangular tube shape. And at least two parallel rails extending in parallel with each other, and a plurality of carton pushing claws attached to a rotating endless chain that moves along the rails. The carton withdrawing portion 18 may be moved vertically or horizontally via a rotating shaft provided at a lower portion outside the front end of the carton stacking portion AL, in addition to the system that linearly reciprocates in the direction of the front end of the carton stacking portion AL as shown in FIG. After the carton 1 at the tip of the stacking unit AL is sucked and held by the suction unit provided at the tip of the vertical swing arm, the And the shape of the raised portion C is not particularly limited in the present invention.

The cartons 1 at the tip of the carton stacking section AL are sucked and held one by one by a drawer section 18 and are temporarily fixed (provided with an upright gap through which one side wall of the carton 1 can pass). While being pulled out from the front end locking portion 13 having a rectangular shape, is raised into a three-dimensional rectangular tube shape, is supplied into a rectangular frame-shaped shape retaining and conveying device 19, and holds the raised rectangular corners of the carton 1 respectively. Then, it is shaped into a three-dimensional cylindrical shape.

As shown in FIG. 2, the inclination angle of the conveying direction viewed from the side surface of the shape-retaining conveying device 19 is different from the radial angle of the rotating box-making mandrel portion D which is disposed obliquely above the rising portion C and rotates. Among the mandrels 32 (square-shaped carton support shafts fitted into the solid rectangular cylindrical carton 1), the inclination angle θ of one of the mandrels 32 that is obliquely downward is set to coincide with the inclination angle θ of the mandrel 32. The inclination angle (θ) with respect to the horizontal line is set to be equal to the angle of an inclined angle line L connecting the positions of the carton accumulation parts AL and AR with each other.
For example, the angle is set to 30 ° to 45 ° or an angle near the angle.

The carton collecting section AL in the apparatus of the present invention
As shown in the enlarged right side view of FIG. 2 and FIG. 4, the longitudinal direction of the flat folded cartons 1 to be accumulated is
9 (the inclination angle of one mandrel 32 obliquely downward and the carton accumulation parts AL and A).
R and a back guide portion 12 (carton 1) perpendicular to the lower guide portion 11 constituting the carton stacking portion AL.
That support the longitudinal back of the camera) are also set at the same angle.

The carton shape-conveying device 19 has an opening at the front end in the conveying direction, and moves forward diagonally upward while holding the carton 1 in a solid rectangular tube shape, and temporarily stops diagonally downward ahead of it. After fitting one mandrel 32 into the cylinder of the carton 1 from its tip, the mandrel 3
The carton 1 is held and transferred to the carton holding unit provided in the cartridge 2, and the carton 1 is retracted and returned to the original position of the upright portion C.

As shown in FIG. 1, the upper carton rising portion CR in the present invention has substantially the same structure as the lower carton rising portion CL, except that the upper carton rising portion CR is provided. The transfer start position of the shape-conveying device 19 on the lower carton rising portion CL is lower than the transfer start position of the shape-retaining device 19 on the CR side. On the other hand, the mandrels 32, 32 of the mandrel portions DR, DL, which are the transfer end positions of the shape-retaining transfer device 19, respectively, have the same radius of rotation. Therefore, the transport speed of each of the shape-retaining transport devices 19 can be adjusted so as to reach the transport end position at the same timing, and the transport speed of the shape-retaining transport device 19 on the lower carton rising part CL side is , Is set to be faster than the transfer speed of the shape-retaining transfer device 19 on the other side.

As shown in FIG. 1, the mandrel part D is a coaxially-rotating (intermittently rotating) L (left) line-side shape preserving and conveying apparatus CL as shown in FIG.
, And a mandrel part DR corresponding to the R (right) line side shape-retaining transport device CR. Since the mandrel parts DL and DR have substantially the same structure, the L line The mandrel portion DL corresponding to the side shape-retaining device CL will be described in detail below.

As shown in FIG. 2, when the obliquely downward mandrel 32 of the mandrel portion DL is delivered from the carton 1 in the shape of a solid rectangular tube from the shape-conveying device CL, the next mandrel 32 is conveyed. The carton 1 temporarily stops in the conveying direction of the device 19, and then the carton 1 conveyed by the shape-retaining conveying device 19 is delivered. The above operation is repeated, and the carton 1 is raised, conveyed, and delivered.
In the meantime, in the mandrel 32 to which the carton 1 has already been delivered, the bottom seal forming is performed by the bottom folding mechanism and the bottom seal mechanisms 33, 34, 35, and 36 which are opposed to the front end thereof, and thus the carton accumulation is performed. By the part A, the rising part C, and the mandrel part D, the carton is supplied, erected, transported, delivered, and bottom-sealed, and the carton 1 is completed in the box production and transported in the next filling and sealing line direction 37. You.

In order to eliminate the flat folding habit of the supplied flat folding carton 1, warm air / hot air is blown to the flat folding carton 1 at an appropriate position such as a lower portion of the carton accumulation part AL. A heating means (not shown) may be provided, and heating / heating is performed for each carton supplied by the drawer 18.
Heating may be performed, heating or heating may be performed on a plurality of or all of the cartons 1 accumulated in the carton accumulating portion, or along a portion that becomes a fold when standing in a three-dimensional shape. Heating and heating may be performed.

The heating / heating means may be provided with a nozzle portion so that warm air / hot air is blown toward an appropriate direction of the flat folding carton 1 to be heated / heated.
The nozzle part is a carton collecting part AL as shown in FIG.
In addition to the lower part, it may be attached to the upper part or the side part and sprayed. The temperature to be heated / heated by the heating / heating means is set to any temperature in the range of 30C to 200C. The heating / heating means may be provided with a heating unit using an electric heating method or an ultrasonic method at a position where the flat folded carton 1 is to be heated, in addition to the blowing method for blowing hot air / hot air, and heating may be performed. .

Carton replenishing section B: The carton collecting section A (AL, AR) of the apparatus of the present invention has a rear end (accumulating section shown in FIG. 1) as shown in FIGS. A
L and AR are provided with carton replenishing portions B, respectively. The carton replenishing portions B are lower carton replenishing portions BL and R on the L (left) line side having substantially the same structure.
(Right) An upper carton replenishing unit BR on the line side is provided.

As shown in FIG. 1, the lower carton replenishing section BL
Is provided adjacent to the rear end of the inclined lower carton stacking section AL, and is provided so as to be able to change the attitude by rotation to a horizontal attitude or an inclined attitude of the same angle as the stacking section AL. Is provided adjacent to the rear end of the inclined upper carton stacking section AR, and is provided so as to be able to change its attitude by rotation from a horizontal attitude to an inclined attitude at the same angle as the stacking section AR.

Here, the lower carton replenishment section BL on the L (left) line side and the upper carton replenishment section B on the R (right) line side
R has substantially the same structure, so the lower carton replenishment section BL
Will be described in detail below.
L is to replenish and accumulate a plurality of flat fold cartons 1 to be refilled in a lump, and to put them vertically in a row with the longitudinal direction of the carton standing upright,
A straight lower guide portion 21 (one or more straight plate-shaped or shaft-shaped guide portions) which supports the lower end in the longitudinal direction of the carton 1 and guides the carton 1 horizontally in the direction of the carton accumulation portion AL, and a back portion perpendicular thereto. And a guide section 22.

As shown in the enlarged left side view of FIG. 1 and FIG. 6, the flat folded carton 1 that has been replenished and accumulated is provided at the tip end portion (adjacent to the accumulation portion AL) of the lower guide portion 21. The refill tip locking portion 23 for locking the foremost portion is the support shaft 2
The lower guide portion 2 is provided so as to be able to avoid turning through the lower guide portion 2a.
At the rear end (opposite to the stacking portion AL) of the flat folding carton 1, the rear end of the flat folded carton 1 is locked.

The replenishing tip locking portion 23 can be avoided above the replenishing portion BL by turning by 90 °.
For example, as shown in FIG. 1, the locking portion 23 is rotatably supported on the lower side of the lower guide portion 21 so as to be rotatable, and is rotated and locked by a rotation driving portion 25 (a rotary air cylinder or an electric motor). An avoidance or locking return operation is performed.

As shown in FIGS. 2 and 4, the entire lower carton replenishment portion BL is rotatably mounted on a bracket 27 of a support frame 26 via a support shaft 21a having a lower guide portion 21 attached and fixed to a lower portion thereof. The posture changing operation arm 2 is supported on a support shaft 21 a integral with the lower guide portion 21.
8 is attached, and the support shaft 21a is rotated by an air cylinder 29 via an arm 28,
As shown in FIG. 2, the entire lower carton replenishing section BL is
The posture is converted into a horizontal posture (a posture in which the longitudinal direction of the carton is vertical) and an inclined posture (a posture in which the longitudinal direction of the carton coincides with the inclined posture of the stacking unit AL).

Replenishing bucket means: As shown in FIG. 1, linear guides extend horizontally from the lower surface of the lower guide portion 12 of the lower carton stacking portion AL to the lower surface of the lower guide portion 21 of the lower carton replenishing portion BL. 17 and a movable body 15a of a rodless air cylinder which moves along a linear guide rail mounted in parallel with the movable body 17 and a refill bucket means is attached to the movable body 15a.

The replenishing bucket means includes a rear end pushing support portion 15 (push supporting fork) located outside the rear end locking portion 24 of the carton replenishing portion BL in FIG. The rear end pushing support portion 15 and the front end support portion 16 are constituted by a positionable openable / closable front end support portion 16 (support fork).
5a, can be reciprocated between the collecting section AL and the replenishing section BL along the linear guide rail and the linear guide 17, and collectively push the replenishing cartons replenished in the carton replenishing section BL. A movement operation and a return movement operation are possible.

FIGS. 3A and 3B are detailed views of the refill bucket means, wherein FIG. 3A is a front view and FIG. 3B is a side view. The rodless air cylinder horizontally mounted from the lower surface side of the lower guide portion 12 of the lower carton collecting portion AL to the lower surface side of the lower guide portion 21 of the lower carton replenishing portion BL reciprocates by air pressure as shown in the drawing. It is composed of an air movable body 15a that can be driven and moved, and a linear guide rail 15b that moves while being guided by the movable body 15a, and is slidable along a linear guide 17 attached in parallel along the linear guide rail 15b. It is mounted integrally with the slide support 17a.

A pushing support portion 15 is integrally attached to one end of the slide support portion 17a, and a bracket 17b is integrally attached to the other end portion. At least an intermediate portion below a position where the lower end portion of the replenished flat folding carton 1 comes into contact with is attached to the shaft 16a urged by a spring so as to be able to open (forward) and close (stand up). At the stage of supporting the replenishing carton group, the tip supporting portion 16 is urged in the rising direction (the direction indicated by the solid line) by a spring force enough to maintain the closed state, and the replenishing carton group is pushed and supported. The movable body 15a is driven forward by the driving of the movable body 15a while being supported between the section 15 and the tip support section 16.

When the rear end of the group of replenishing cartons (the side of the pushing support portion 15) is held by the carton pushing and supporting means 14 and starts to be conveyed in the direction of the leading end of the accumulation section BL, the replenishing bucket means is moved. By retreating, the tip support 16 is pushed by the lower end of the replenishment carton 1 group and falls forward and is opened.

In the present invention, the carton replenishing section BL
In addition to the replenishing bucket method shown in FIG. 3, the following method can be implemented as a batch moving method for the replenishing carton groups in the box. That is, only the pushing support portion 15 for pushing and supporting the rear end portion of the replenishing carton group is integrally attached to the movable body 15a of the rodless air cylinder, and the above-described opening (forward tilting) Instead of adopting the closing (standing) method, it is the same method as the above-mentioned carton pushing and supporting means 14, and the front end supporting portion 16 is provided on the transport path at the rear end of the collecting portion AL or at the front end of the replenishing portion BL. , May be protruded or avoided from below, beside or above.

As shown in the enlarged right side view of FIG. 5 and the enlarged left side view of FIG. 6, the carton pushing-in support means 14 has a notch 1 provided in the pushing direction in the back guide section 12 of the stacking section AL.
2a, it can be protruded and moved, and the pushing support portion 15 and the front end support portion 16 of the replenishing bucket means are respectively
Notches 12b and 22 provided in the back guide section 12 of the accumulation section AL and the back guide section 22 of the replenishment section BL in the replenishing and pushing direction.
Further, the carton pushing-in support means 14 and the replenishing bucket means can be pushed and returned by a sequence and a timing which do not collide with each other.

As shown in FIGS. 5 and 6, the rear end support portion 24 of the carton replenishing portion BL and the openable front end support portion 23 are provided with the pushing support portion 15 and the front end support portion of the replenishing bucket means. Notch 24 so that 16 can be fitted without collision.
a and 23b are provided, and the carton replenishing portion BL can be changed from a horizontal to an inclined state while the replenishing bucket means is moved into the area of the carton replenishing portion BL and stopped.

Upper carton replenishing part BR; The upper carton replenishing part BR of the carton replenishing part B in the present invention comprises:
The upper carton replenishing portion BR has substantially the same structure as the lower carton replenishing portion BL, except that the upper carton replenishing portion BR supports the entire replenishing portion BR as shown in the entire right side view of FIG. 2 and the enlarged right side view of FIG. At the end of the frame 26, a slide guide portion 26a that can be moved up and down along a vertical linear guide 26b is provided so that the support frame 26 can be moved up and down. After stopping at the upper stop position, the air cylinder 29 is operated to change the position of the replenishing unit BR to the same inclination position as the stacking unit AR.

As shown in FIG. 1, during the carton box filling operation of the apparatus of the present invention, a number of flat folded cartons 1 are placed in the lower carton stacking section AL and the upper carton stacking section AR in the carton longitudinal direction (longitudinal direction). (The bottom seal side and the top seal side at both ends in the direction) are vertically stacked such that they are inclined so as to be parallel to the back guide portion 12.

The stacking carton group on the carton stacking section AR has a front end portion and a rear end portion, each of which has a front locking portion 13.
And the carton pushing and supporting means 14 (fork for locking the rear end), and this group of accumulated cartons is pushed to the tip of the accumulation by the carton pushing and supporting means 14 which gradually moves forward. In the meantime, the replenishing carton pushing support means 15 is behind the carton pushing support means 14 and stands by between the supporting means 14 and the leading end locking portion 23 of the carton replenishing portion BL (see FIG. 1).

On the other hand, the flat folding cartons 1 at the stacking front end portion are sequentially raised one by one from the front end locking portion 13 side.
Is supplied to the side and erected, and subsequently conveyed and supplied in the direction of the mandrel portion D to be sequentially manufactured. And the accumulation unit A
The accumulated carton 1 on L gradually decreases, and it is necessary to replenish the carton 1 on the accumulation section AL.

Hereinafter, the carton replenishment operation during the carton box filling operation of the apparatus of the present invention will be described step by step with reference to FIGS. 1, 3, and 4 to 7. Note that L
The carton replenishment operation on the (left) line side and the carton replenishment operation on the R (right) line side are substantially the same operation, and the operations may be performed simultaneously or with a time lag. Only the carton replenishing operation on the line side will be described below, and the carton replenishing operation on the R line will be described only for different operation parts, and the other parts will be omitted.

Step 1: First, FIG. 1, the movable body 15a of the rodless air cylinder is driven, and the replenishing bucket means (the pushing support portion 15 and the front end support portion 16) in an empty state where the refill carton 1 is not loaded. Is moved along the linear guide 17 into the lower carton replenishment area BL and is on standby. Step 2: Next, in FIG. 4, the air cylinder 29 is operated to move the lower carton replenishing section BL to the lower guide section 2 thereof.
The posture is changed horizontally so that 1 is a horizontal posture (the back guide portion 22 is a vertical posture). Step 3; Next, in FIG. 4, from the left end side of the drawing, a group (bundle) of a plurality of flat folding cartons for replenishment (for example, about 100 to 500 sheets) is collectively collected by the operator (necessary). After placing on the carton refill 2 according to
The longitudinal direction of the group of replenishing cartons is set to be vertical, and is placed vertically on the lower carton replenishing portion BL while being supported by the front end locking portion 23 and the rear end locking portion 24. In the upper carton replenishment unit BR, a plurality of replenishers (for example, 100 to 50) are similarly supplied from the left end side of the drawing by the operator.
The flat folding cartons 1 (about 0 sheets) are grouped together (after being placed on the carton replenishing table 2 as required), the longitudinal direction of the replenishing carton 1 is made vertical, After being placed on the upper carton replenishing portion BR while being supported by the rear end locking portion 24, the upper carton replenishing portion BR is raised by the ascending air cylinder 30 to the height of the carton stacking portion AR inclined upward. Step 4: Next, FIGS. 4 and 5, the air cylinder 29
Is operated to incline the lower carton replenishing portion BL in the horizontal posture as shown by the arrow, and change the posture to the inclined posture of the same angle as the back guide portion 12 of the lower carton loading portion AL inclined at 45 °. As a result, the same guide surface is formed by the back guide portion 12 of the loading portion AL and the back guide portion 22 of the carton replenishment portion BL, and the pushing support portion 15 and the front end support portion 16 of the replenishment bucket means are used for carton replenishment. The supplementary carton 1 is fitted into the cutouts 23b and 24a formed in the front end lock portion 23 and the rear end lock portion 24 of the portion BL without trouble, or is located outside the cutouts 23b and 24a. The group is sandwiched between the pushing support portion 15 and the front end support portion 16 of the replenishing bucket means. Step 5; Next, FIG. 6, lower carton replenishment section BL, B
By driving and rotating the rotary air cylinder 25 of R,
As shown in FIG. 7, the distal end locking portion 23 (bearing portion 23 a) which is rotatably opened and closed below the lower guide portion 21 via the driving rotary shaft 25 a of the rotary air cylinder 25 is rotated in the direction of the arrow to avoid it. The replenishment carton pushing-out path is opened, and the group of replenishment cartons on the side of the opened tip locking portion 23 is supported by the tip support portion 16 of the refill bucket means. Step 6: Subsequently, the replenishing bucket means loaded with the replenishing carton group 1 shown in FIG. 3 is pushed forward by moving the movable body 15a of the rodless air cylinder forward to the carton loading section AL shown in FIG. The replenishing bucket means is moved into the area of the carton loading section AL shown in FIG. 1, and the tip support section 16 of the bucket means is raised from the tip end side of the loading section BL to the rising portion C side. And is brought close to the rear end of the group of accumulated cartons 1 being supported and supported by the carton pushing support means 14 and being pushed. Step 7: Subsequently, FIG.
From the rear end portion of the group of accumulated cartons and the tip end support portion 16 of the replenishing bucket means, and is withdrawn from the replenishing carton group in the replenishing bucket means moved into the area of the carton loading section AL. It is retracted and returned to the end (push support portion 15) side, and the rear end of the replenishing carton group 1 is supported by the carton push support means 14. Step 8: Subsequently, the rodless air cylinder movable body 15a of the replenishment bucket means shown in FIG. 3 is driven backward while the rear end portion of the replenishment carton group in the replenishment bucket means is supported by the carton pushing support means 14. The refill bucket means is moved backward from the area of the carton loading section AL shown in FIG. 1 in the direction of the carton replenishing section BL, and as shown in FIG.
The transfer operation is completed by pulling out the replenishing bucket means in the direction of the carton replenishing section BL while stopping on the L, moving the replenishing bucket means into the carton replenishing section BL area shown in FIG. The batch replenishment operation (one cycle) ends.

[0049]

The apparatus of the present invention is an apparatus capable of replenishing a carton collecting section with an angle capable of supplying a carton to a mandrel during the operation of a box filling machine for a rectangular cylindrical liquid paper container. In an apparatus of the type in which the carton stacking section is inclined high toward the front of the carton replenishing side, when loading and refilling a large number of heavy cartons by hand, the attitude of the replenishing carton group is adjusted to the inclination angle of the carton stacking section. There is no need for labor to adjust the posture to be loaded together, and it is sufficient to simply replenish the carton in the carton replenishing section in the vertical direction, and the carton replenishing section in the apparatus of the present invention converts the posture to a certain angle, which is necessary for the carton replenishing work. There is an effect that the labor and a great deal of labor of the manual carton replenishment angle conversion work can be significantly reduced.

In addition, the number of lines is increased even in the case of a carton filling machine of a type in which a plurality of lines such as two lines are arranged in addition to one box making line per box filling machine. Even if the height is different like the upper and lower carton accumulation lines, it can be replenished at a nearly constant position near the low height of the front of the carton accumulation part, and as described above, it is simply aligned vertically and replenished It can be supplied and the frequent refilling operation can be performed by one or a small number of operators, and there is an effect that a great deal of labor, time and labor can be reduced in the carton refilling operation of the box making and filling machine.

[Brief description of the drawings]

FIG. 1 is a front view of a carton collecting unit and a carton replenishing unit of the apparatus of the present invention.

FIG. 2 is an overall right side view of the apparatus of the present invention.

FIG. 3 is a front view for explaining an example of a replenishing bucket means for replenishing a carton of the apparatus of the present invention.

FIG. 4 is a right side view of a carton collecting unit and a carton replenishing unit of the apparatus of the present invention.

FIG. 5 is a right side view of a carton collecting section and a carton replenishing section of the apparatus of the present invention.

FIG. 6 is a left side view of the carton collecting section and the carton replenishing section of the apparatus of the present invention.

FIG. 7 is a left side view of a carton collecting unit and a carton replenishing unit of the apparatus of the present invention.

8A is a left side view of the entire device of the present invention, and FIG. 8B is a top view thereof.

9A is an overall side view of a conventional apparatus, and FIG. 9B is a top view thereof.

10A is an overall side view of a conventional device, and FIG. 10B is a top view thereof.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Square cylindrical carton 2, 3 ... Carton mounting table A ... Carton accumulation part B ... Carton replenishment part C ... Carton standing part D ... Box mandrel part 11 ... Lower guide part 12 ... Back guide part 12a, 1
2b: Notch 13: Tip support 14: Carton pushing support 15
… Pushing support part 15a… Rodless air cylinder movable part 15b…
Linear guide rail 16: Tip support 16a: Support shaft 17: Linear guide 17a: Slide 17b: Bracket 18: Stand-up vacuum suction unit 19: Shape-retaining conveyance unit 21: Lower guide 22: Back guide 22a, 2
2b: Notch 23: Tip support 23a: Support shaft 23b: Notch 2
4: Rear end support portion 24a: Notch portion 25: Rotary air cylinder
26: Support frame 26a, 26b: Linear guide 27: Bracket
28 ... Working arm 29, 30 ... Air cylinder

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yoshio Tanaka 4021 Nakatsu, Aikawa-cho, Aiko-gun, Kanagawa Prefecture F-term in Toppan Engineering Co., Ltd. (reference) 3E030 AA02 AA09 BA02 BB02 CB03 EA01

Claims (1)

[Claims] 1. A carton accumulating section for vertically stacking a large number of rectangular cylindrical cartons folded in a flat shape for a rectangular cylindrical liquid paper container in a row sending direction, and one carton from the tip of the accumulating section. Of the box-shaped liquid paper container box-filling machine, which takes out the container and sequentially supplies it to the bottom box-forming mandrel side while standing up in a three-dimensional shape, and collectively replenishes a plurality of replenishing cartons from the rear end of the stacking section. In the cylindrical carton feeding device, the horizontal feeding direction of the carton accumulating portion is horizontally arranged, and the carton feeding direction from the tip of the accumulating portion to the bottom box mandrel side is set to a direction inclined higher toward the mandrel side. The stacking portion is arranged at a high angle in a direction perpendicular to the direction of carton supply to the bottom box-making mandrel and in the same direction as the carton supply direction to the bottom box-making mandrel side. A box-filling machine for making a rectangular cylindrical liquid paper container, characterized in that a carton replenishing section for replenishing cartons is provided at the rear end of the stacking section so as to be able to change the attitude in a horizontal direction or an inclination direction of the stacking section. Carton feeding equipment.