JPH06106657A - Taper box making machine - Google Patents

Abstract

PURPOSE:To produce a taper box fitted with a proper box lid without using an expensive mold. CONSTITUTION:A molding device is equipped with a male mold 25 and the female mold 26 fitted thereto and only the male mold 26 is made replaceable. A press element 29 movable from a press position to a retracted position is provided to press the connection part H of the body box part and lid box part of a paper box material A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a taper box making machine used for manufacturing a taper box, for example.

[0002]

2. Description of the Related Art Conventionally, a taper box making machine of this type is known, for example, that disclosed in Japanese Patent Publication No. 58-44074. This is basically the supply of carton blanks in which a body box part and a lid box part are continuously provided around a rotating body that rotates intermittently, gluing, a body box assembly box, a lid box assembly box and a molding box. Each working part for taking out is provided, and it is a pair of male type that can be independently advanced and retracted toward each working part on the rotating body and corresponds to the body box part and lid box part of the carton blank. The pair of male molds are provided with suction cups for sucking and holding the carton blanks respectively, and the body box assembly box part and the lid box assembly box part are provided with the body box male part and the lid box part. It consists of only a female box that can be moved relative to the male box, and the carton blank is bent as the male box approaches and the box and lid boxes are formed separately. The box assembly is located in the body box section above, and the box assembly consisting only of the lid box female is in the box section above the lid box. Each disposed,
By the suction control of the male sucker part that rotates and stops the rotating body and the advancing / retreating control of the paired male type,
The work at each work site is performed when the rotating body is stopped. However, in such a thing, a male type must be provided corresponding to each work section, and each male type must be provided with a suction cup portion for suction-holding a carton blank. In other words, a large number of male molds having a complicated structure were required, so that the mold cost was very high.

[0003]

SUMMARY OF THE INVENTION The present invention has been devised in order to solve the above problems in view of the above problems, and the purpose of the invention is to provide a taper with a high die allowance. To provide a box making machine.

[0004]

SUMMARY OF THE INVENTION A taper box box making machine according to the present invention basically comprises a paper feeding device for feeding paper box materials one by one, and a carrying box for carrying the paper box materials from the paper feeding apparatus. Device, a gluing device that is provided in the middle of the transport device to glue the gluing pieces of the paper box material, a positioning device that positions the paper box material from the transport device at a predetermined position, and a male type A molding device for molding a paper box material positioned with a female mold to be formed into a taper box, and a discharging device that is provided in the female frame of the molding device and discharges the taper box from this point in a polymerized state, The forming device is characterized in that it has a movable presser body that is movable from a pressing position that presses the connecting portion of the paper box material and the lid box part to a retracted position.

[0005]

The paper box material is supplied one by one by the paper feeding device and conveyed by the conveying device. The paper box material conveyed by the conveying device is glued on the glued piece by the glueing device in the middle thereof and is positioned at a predetermined position by the positioning device.
The paper box material positioned by the positioning device is molded into a tapered box by the male mold and the female mold of the molding device, and is discharged while being polymerized by the discharging device. The molding apparatus is provided with a male mold and a female mold suitable for the male mold, and since these are each single and have a simple structure, the mold cost is not high. Since the forming device is equipped with a movable pressing body that can hold down the connecting part between the body box part and the lid box part of the paper box material, the connecting part is surely bent, and a taper box with an appropriate box lid is formed. You can do it.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic side view showing a taper box making machine according to an embodiment of the present invention. FIG. 2 is a plan view of FIG. FIG. 3 is a schematic enlarged side view showing the molding apparatus. FIG. 4 is a schematic enlarged rear view of FIG. 3. FIG. 5 is a perspective view showing a manufacturing process of a taper box with a box lid. The taper box making machine 1 comprises a paper feeding device 2, a conveying device 3, a gluing device 4, a positioning device 5, a molding device 6, and a discharging device 7 as main components. Paper feeder 2
Is for supplying the paper box material A one by one, and in this example, a tilting body 9 tiltably provided on the machine body 8 and a large number of paper box material A vertically provided on the tilting body 9 are arranged vertically. The tilted table 10 includes a tilted table 10, a rocking body 11 that is swingably mounted on the tilting body 9, and moves the paper box material A forward and backward while regulating the forward movement of the paper box material A. And a regulation body 12 that regulates the upward movement of the paper box material A on the front side except the front,
A conveyor belt 13 that is rotatably provided on the tilting body 9 and sends only the frontmost paper box material A upward between the rocking body 11 and the regulating body 12 when the rocking body 11 is moved forward. The upper and lower feeding belts 14 and the feeding rollers 15 feed the paper box material A that has been fed and sent upward. In this example, the paper box material A has two bottom pieces B, four side pieces C connected to the bottom piece B, and four glued pieces D connected to the bottom piece B. A taper box F with a box lid, in which a so-called box section and a lid box section are continuously provided, is formed. The transport device 3 transports the paper box material A from the paper feeding device 2. In this example, the transport device 3 is provided in the machine body 8 and is configured to feed the paper box material A from the paper feeding device 2 forward and downward. 16 and a carrier chain 17 rotatably provided on the machine body 8 to push the paper box material A from the take-in roller 16 to send it forward, and a carrier chain 17 provided on the machine body 8 so as to be movable back and forth and separated from the carrier chain 17. Feeder 18 that pushes the paper box material A forward and feeds it forward
And the left and right guide bodies 19 which are provided on the machine body 8 so as to be movable laterally and which guide the paper box material A conveyed. The gluing device 4 is provided in the middle of the conveying device 3 and glues the gluing pieces D of the paper box material A. In this example, the gluing device 4 is provided in the machine body 8 and the gluing tank 20 in which the gluing G is stored. And a glue roll 21 rotatably provided on the machine body 8 to which the glue G of the glue tank 20 is attached, and a glue roll 2 rotatably provided on the machine body 8
A glue transfer roll 22 for transferring the glue G from 1 to the glued piece D of the paper box material A, and a pressure roll rotatably provided on the machine body 8 for receiving the glued piece D of the paper box material A at the time of gluing. It consists of 23 and. The positioning device 5 positions the paper box material A from the gluing device 4 at a predetermined position. In this example,
The rear half of the left and right guide bodies 19 and a stop body 24 that is provided in the machine body 8 so as to be able to move back and forth and stops the front end of the paper box material A fed by the feeding body 18 by engaging the same. The molding device 6 includes a male mold 25 and a female mold 2 adapted to the male mold 25.
6 is used to form a positioned paper box material A into a taper box F. In this example, a rectangular pyramid that pushes up the bottom piece B of the paper box material A that is provided in the machine body 8 so as to be able to move up and down and is positioned. Male shape 25 having a shape and front, rear, left and right guide plates 28
Is provided on the machine body 8 so as to be horizontally movable so that the size of the quadrangle formed by them can be changed.
The female frame 26 that gradually bends the side piece C of the paper box material A pushed up by the downward direction, and the paper box material A that is provided horizontally on the machine body 8 and pushed up by the male mold 25. The pressing body 27 that presses the glued piece D of the above and gradually bends it to the lower side before the side piece C.
And consists of. The male die 25 is formed by connecting two quadrangular pyramids in series, and the female die frame 26 is formed as such a male die 2
5, the presser body 27 is made into eight in correspondence with the glued piece D. The forming device 6 is a paper box material A.
The movable holding body 29 is provided which is movable from a holding position for pressing the connecting portion H of the body case part and the lid case part to a retracted position. In this example, the movable presser body 29 includes an arm 30 which is provided on the machine body 8 so as to be elevated from a press position to a retracted position,
A disk-shaped pressing roller 31 rotatably provided around the horizontal axis at its tip, and a spring 3 which is provided between the machine body 8 and the arm 30 and always urges the arm 30 to the depression position.
It consists of 2 and. The discharging device 7 is provided in the female mold 26 of the molding device 6 and discharges the taper box F from this point as it is piled up. In this example, the guide plate 2 of the female mold 26 is discharged.
The taper box F is connected to the upper part of 8 in sequence, and it is a front, rear, left and right guide body for sequentially guiding and discharging the taper box F upward. next,
The operation will be described based on such a configuration. Paper box material A
Are placed vertically on the table 10 of the sheet feeding device 2, and each time the oscillating body 11 moves forward, the frontmost one is conveyed upward between the regulating body 12 and the conveying belt 13 by the conveying belt 13 and is fed out. It is fed forward by the belt 14 and the feeding roller 15 and fed one by one. The supplied paper box material A is
It is taken up by the take-in roller 16 of the carrying device 3 and is pushed backward by the carrying chain 17 to be carried forward. At this time, the guide 19 keeps a predetermined state and guides (see the right side of FIG. 5). The conveyed paper box material A is glued to the glued piece D by the glueing device 4 on the way. That is, the glue G in the glue tank 20 is transferred from the glue roll 21 to the glue transfer roll 2
It is glued to the glued piece D of the paper box material A that passes between the glue transfer roll 22 and the pressure roll 23 via 2 (see the center of FIG. 5). The glued paper box material A is subsequently pushed forward by the transport chain 17 and transported forward, and is fed forward by the feeding body 18 at a speed faster than the transport speed of the transport chain 17 from before the end of the transport. Then, the front end of the positioning device 5 is brought into contact with the stopper 24 to be positioned at a predetermined position. At this time, the movable presser body 29 of the molding apparatus 6 stands by at the presser position shown by the solid line in FIG. The bottom piece B of the positioned paper box material A is pushed up by the male die 25 of the forming device 6, and the glued piece D is first pushed down by the presser body 27 to be bent downward, and then the female die. The side piece C is gradually bent downward by the frame 26, the glued piece D and the side piece C adjacent thereto are adhered, and a taper box F having a truncated pyramid shape is formed.
(See the left side of FIG. 5). At this time, as the paper box material A is raised by the male die 25, as shown by the chain line in FIG. 4, the connecting portion H between the body box part and the lid box part of the paper box material A is pressed by the pressing roller of the movable presser body 29. The pressure roller 31 and the arm 30 are pressed by 31 and bent reliably, and the pressing roller 31 and the arm 30 are raised to the retracted position shown by the chain line in FIG. After that, when the male die 25 descends from the highest position, the molded taper box F remains at the highest position and
The pressing roller 31 and the arm 30 are lowered by the spring 32 to the pressing position shown by the solid line in FIG. The formed taper box F is held by the female mold 26,
Subsequently, the formed taper boxes F are sequentially superposed and guided by the guide of the discharging device 7 and discharged. Molding device 6
Has a male mold 25 and a female mold frame 26 which fits the male mold 25. Since these are each single and have a simple structure, the mold cost does not increase. When manufacturing taper boxes F having different sizes, the male mold 25 of the molding apparatus 6 is replaced with one corresponding to the taper box F, and the front and rear and left and right guide plates 28 of the female frame 26 are horizontally moved. Change the size of the rectangle. Since the male mold 25 may be made of wood, it does not cost much. Since the movable pressing body 29 of the molding apparatus 6 is moved from the pressing position to the retracted position by utilizing the movement of the male die 25, a dedicated drive means is not required, which is extremely rational.

In the former embodiment, the molding device 6 has the male mold 25 at the bottom and the female mold frame 26 at the top, but the invention is not limited to this, and these may be reversed, for example. In the above embodiment, the movable presser body 29 of the molding device 6 is moved from the pressing position to the retracted position by utilizing the movement of the male die 25, but the present invention is not limited to this. Adjustable movable presser body 2
A dedicated drive means for moving 9 may be provided. Molding device 6
In the previous embodiment, the movable pressing body 29 of No. 2 is configured to be elevated from the pressing position to the retracted position by using the arm 30.
The present invention is not limited to this, and may be linearly moved in an oblique direction, for example. Although the movable pressing body 29 of the molding apparatus 6 uses the rotatable pressing roller 31 in the above embodiment, the movable pressing body 29 is not limited to this and may be, for example, a non-rotating plate-like member. The movable presser member 29 of the molding device 6 is the spring 3 in the previous embodiment.
Although it is configured to return to the holding position by means of step 2, the present invention is not limited to this, and it may be omitted, for example, to return by means of gravity.

[0008]

As described above, according to the present invention,
The following excellent effects can be achieved. (1) It is composed of a paper feeding device, a conveying device, a gluing device, a positioning device, a molding device, and a discharging device, and in particular, the molding device is provided with a male mold and a female mold suitable for it.
Since the only mold to be replaced is the male mold, the mold cost does not increase. (2) Since the molding device is provided with a movable pressing body that can move from the pressing position to the retracted position, and the connecting portion between the body box part and the lid box part of the paper box material is pressed by this, The connecting part is surely bent, and it can be finished as a taper box with a proper box lid. (3) Since the discharging device is provided in the female mold of the molding apparatus to discharge the taper box as it is polymerized, the discharging of the taper box is convenient and not bulky.

[Brief description of drawings]

FIG. 1 is a schematic side view showing a taper box making machine according to an embodiment of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a schematic enlarged side view showing a molding device.

FIG. 4 is a schematic enlarged rear view of FIG.

FIG. 5 is a perspective view showing a manufacturing process of a taper box with a box lid.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Tapered box making machine, 2 ... Paper feeder, 3 ... Conveyor, 4
... gluing device, 5 ... positioning device, 6 ... molding device, 7 ... ejection device, 8 ... machine body, 9 ... tilting body, 10 ... table, 11
... Oscillator, 12 ... Regulator, 13 ... Conveyor belt, 14 ... Delivery belt, 15 ... Delivery roller, 16 ... Delivery roller, 17
... conveyance chain, 18 ... feeding body, 19 ... guide body, 20 ...
Glue tank, 21 ... Glue roll, 22 ... Glue transfer roll, 23
... pressure roll, 24 ... stop body, 25 ... male mold, 26 ... female mold, 27 ... presser body, 28 ... guide body, 29 ... movable presser body,
30 ... Arm, 31 ... Pressing roller, 32 ... Spring,
A ... Paper box material, B ... Bottom piece, C ... Side piece, D ... Glued piece, F ...
Taper box, G ... glue, H ... connection part.

Claims (1)

[Claims] 1. A paper feeding device for feeding the paper box material one by one, a carrying device for carrying the paper box material from the paper feeding device, and a gluing piece of the paper box material provided in the middle of the carrying device. A gluing device for gluing, a positioning device for positioning the paper box material from the conveying device at a predetermined position, a male mold and a female mold frame adapted to this, and molding the positioned paper container material into a taper box. Forming device and a discharging device which is provided in the female mold of the forming device and discharges the taper box from this point as it is piled up. The forming device is a connection between the body box part and the lid box part of the paper box material. A taper box box making machine characterized by having a movable presser body that can move from a presser position that holds down a part to a retracted position.